CN112185286A

CN112185286A - Billboard device suitable for beach

Info

Publication number: CN112185286A
Application number: CN202011152412.9A
Authority: CN
Inventors: 刘维
Original assignee: Foshan Feiyu Stationery Co ltd
Current assignee: Foshan Feiyu Stationery Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-05

Abstract

The invention discloses billboard device suitable for beach, which comprises a bottom shell, wherein a power cavity is arranged in the bottom shell, the power cavity is internally provided with a wind power detection mechanism, the upper end of the power cavity is slidably provided with a support rod extending out of the bottom shell, the invention has simple structure and simple and convenient operation, can fully adapt to the rising and falling tide environment of the beach, can automatically adjust the height of the billboard according to the rising and falling tide, thereby the billboard can be clearly seen at any time, and the invention can be self-sufficient, and can supply energy for the lifting of the billboard through wind power, meanwhile, the billboard and the generator can be automatically protected according to the wind power, so that the danger is reduced, the service life is prolonged, and the billboard and the generator have high working efficiency and high integration degree.

Description

Billboard device suitable for beach

Technical Field

The invention relates to the field of billboard correlation, in particular to billboard equipment suitable for beaches.

Background

As is well known, the beach is always a place where people flow greatly, so that the billboard is always required by each company at the beach, but because of the variable conditions of the weather and the seawater at the beach, many billboards can only be set at a place far away from the beach, but if several billboards are set at the beach where people are the most, the effect is believed to be better, but the influence of the strong wind at the beach and the rising and falling tide of the seawater on the billboard has to be considered.

It is therefore desirable to design a billboard device for use at beaches to address the above problems.

Disclosure of Invention

The object of the present invention is to provide a billboard device for use on beaches that overcomes the above-mentioned drawbacks of the prior art.

The invention is realized by the following technical scheme. The invention relates to billboard equipment suitable for beaches, which comprises a bottom shell, wherein a power cavity is arranged in the bottom shell; the power cavity is internally provided with a wind power detection mechanism, the upper end of the power cavity is slidably provided with a support rod extending out of the bottom shell, the left end of the support rod is provided with a rack, a wind power rotating shaft penetrating through the support rod is rotatably arranged in the support rod, the wind power rotating shaft positioned in the power cavity is provided with a movable shell, the wind power rotating shaft positioned in the movable shell is fixedly provided with a first gear, the movable shell positioned on the right side of the first gear is rotatably provided with a second gear, the second gear can be meshed with the first gear, the bottom shell positioned on the right side of the support rod is fixedly provided with a spline shaft penetrating through the movable shell, the movable shell can slide on the spline shaft, the spline shaft positioned in the movable shell is provided with a spline gear, the spline gear is connected with the spline shaft, and the lower end of the spline shaft is fixedly provided with a first bevel gear, a first rotating shaft is rotatably arranged on the bottom shell on the left side of the first bevel gear, the first rotating shaft can slide up and down in the bottom shell, a second bevel gear is fixedly arranged on the right end of the first rotating shaft, the second bevel gear can be meshed with the first bevel gear, a third bevel gear is fixedly arranged on the left end of the first rotating shaft, a shaft sleeve is rotatably arranged on the first rotating shaft, the shaft sleeve can slide up and down in the bottom shell, a connecting rod is arranged at the upper end of the shaft sleeve, a first spring is arranged between the shaft sleeve and the bottom shell, a bolt penetrating through the connecting rod at the upper end of the shaft sleeve is slidably arranged on the bottom shell on the upper side of the shaft sleeve, a spring is arranged between the bolt and the bottom shell, a pulley is arranged on the bottom shell on the left side of the bolt, a generator is fixedly arranged on the bottom shell on the left, a fourth bevel gear is fixedly arranged on the second rotating shaft and can be meshed with the third bevel gear, a fifth bevel gear is fixedly arranged at the upper end of the second rotating shaft, a third rotating shaft is rotatably arranged on the bottom shell positioned on the upper side of the fifth bevel gear, a third gear is fixedly arranged on the third rotating shaft, a sixth bevel gear is fixedly arranged on the third rotating shaft positioned on the front side of the third gear and can be meshed with the fifth bevel gear, an arc-shaped groove is fixedly arranged on the bottom shell positioned on the upper side of the third gear, a sliding block is arranged in the arc-shaped groove in a sliding manner, a moving gear is rotatably arranged on the sliding block, an arc-shaped sliding rod penetrating through the arc-shaped groove is fixedly arranged at the right end of the sliding block, a first connecting rod is rotatably arranged on the bottom shell positioned on the lower side of the arc-shaped sliding rod, and the left end of the first connecting rod is abutted against, the utility model discloses a gear box, including the drain pan, the first connecting rod front side, the drain pan is equipped with the first pulley, the first connecting rod right-hand member is fixed with the stay cord other end, is located the removal gear upside rotate on the drain pan and be equipped with the fourth pivot, the fixed fourth gear that is equipped with in the fourth pivot, be located the fixed fourth gear that is equipped with in the fourth pivot, the fourth gear can with remove gear engagement, be located the fourth gear front side the fixed first belt pulley that is equipped with in the fourth pivot, be located the first belt pulley right side rotate on the drain pan and be equipped with the sixth pivot, be equipped with the spring between sixth pivot and the drain pan, the fixed fifth gear that is equipped with in the sixth pivot, under certain conditions, the fifth gear can with remove gear engagement, be located the fifth gear front side the fixed second belt pulley that is equipped with.

Preferably, a fifth rotating shaft is rotatably disposed on the bottom casing positioned at the left side of the supporting rod and inside the power cavity, a sixth gear is fixedly disposed on the fifth rotating shaft, the sixth gear can be engaged with a rack at the left end of the supporting rod, a seventh bevel gear is fixedly disposed on the fifth rotating shaft positioned at the front side of the sixth gear, a third belt pulley is fixedly disposed on the fifth rotating shaft positioned at the front side of the seventh bevel gear, a second belt is disposed between the third belt pulley and the second belt pulley, a motor is fixedly disposed on the bottom casing positioned at the front side of the fifth rotating shaft, a seventh rotating shaft penetrating through the motor is rotatably disposed at the right end of the motor, a first switching bevel gear is fixedly disposed on the seventh rotating shaft, a first switching rotating shaft is rotatably disposed on the bottom casing of the first switching bevel gear, and a second switching bevel gear is fixedly disposed at the upper end of the first switching rotating shaft, the second switching bevel gear can be meshed with the first switching bevel gear, a third switching rotating shaft is rotatably arranged on the bottom shell on the right side of the second switching bevel gear, the third switching rotating shaft can slide left and right on the bottom shell, a third switching bevel gear is fixedly arranged at the left end of the third switching rotating shaft, the third switching bevel gear can be meshed with the second switching bevel gear under a certain condition, an eighth bevel gear is fixedly arranged on the third switching rotating shaft on the right side of the third switching bevel gear, the eighth bevel gear can be meshed with the seventh bevel gear under a certain condition, a second switching rotating shaft is rotatably arranged on the bottom shell on the upper side of the third switching rotating shaft, a second connecting rod is fixedly arranged on the second switching rotating shaft, and the lower end of the second connecting rod can shift the seventh rotating shaft to slide left and right, and a bump pressing rod is arranged in the bottom shell on the upper side of the second connecting rod in a sliding manner.

Preferably, a second spring is arranged between the convex block pressing rod and the bottom shell, a first sliding shaft is arranged at the lower end of the convex block pressing rod and can slide on the second connecting rod and is positioned on the left side of the convex block pressing rod, a water sump is arranged in the bottom shell, a sliding supporting plate is arranged at the lower end of the water sump, a spring telescopic rod is arranged between the sliding supporting plate and the bottom shell, a water pump is arranged at the left end of a seventh rotating shaft and is positioned between the water pump and the motor, a ratchet mechanism is arranged on the seventh rotating shaft, and a wind power collecting rotary blade is fixedly arranged at the upper end of the wind power rotating shaft.

The invention has the beneficial effects that: the invention has simple structure and simple operation, can fully adapt to the tide rising and ebbing environment of the beach, can automatically adjust the height of the billboard according to the tide rising and ebbing, thereby enabling the billboard to be clearly visible at any time, can be self-sufficient, can automatically protect the billboard and the generator according to the wind power, reduces the danger, prolongs the service life and has higher integration degree.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is an enlarged schematic view of B of FIG. 1;

fig. 4 is an enlarged schematic view of the structure C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Combine fig. 1-4 a bill-board equipment suitable for beach, include drain pan 10, be equipped with power chamber 11 in the drain pan 10, contain wind-force detection mechanism 80 in the power chamber 11, power chamber 11 upper end slides and is equipped with and extends to the outer bracing piece 31 of drain pan 10, the bracing piece 31 left end is equipped with the rack, the bracing piece 31 internal rotation is equipped with the wind-force pivot 32 that passes the bracing piece 31, is located in power chamber 11 be equipped with on the wind-force pivot 32 and move the shell 42, be located in moving the shell 42 fixed being equipped with first gear 39 on the wind-force pivot 32, be located rotate on the first gear 39 right side move the shell 42 and be equipped with second gear 40, second gear 40 can with first gear 39 meshes, be located the bracing piece 31 right side fixed being equipped with on the drain pan 10 and passing the integral key shaft 34 of moving the shell 42, the movable shell 42 can slide on the spline shaft 34, a spline gear 41 is arranged on the spline shaft 34 in the movable shell 42, the spline gear 41 is in spline connection with the spline shaft 34, a first bevel gear 38 is fixedly arranged at the lower end of the spline shaft 34, a first rotating shaft 36 is rotatably arranged on the bottom shell 10 at the left side of the first bevel gear 38, the first rotating shaft 36 can slide up and down in the bottom shell 10, a second bevel gear 37 is fixedly arranged at the right end of the first rotating shaft 36, the second bevel gear 37 can be engaged with the first bevel gear 38, a third bevel gear 14 is fixedly arranged at the left end of the first rotating shaft 36, a shaft sleeve 56 is rotatably arranged on the first rotating shaft 36, the shaft sleeve 56 can slide up and down in the bottom shell 10, a connecting rod is arranged at the upper end of the shaft sleeve 56, and a first spring 57 is arranged between the shaft sleeve 56 and the bottom shell 10, a bolt 55 penetrating through a connecting rod at the upper end of the shaft sleeve 56 is slidably arranged on the bottom shell 10 at the upper side of the shaft sleeve 56, a spring is arranged between the bolt 55 and the bottom shell 10, a pulley 54 is arranged on the bottom shell 10 at the left side of the bolt 55, a generator 12 is fixedly arranged on the bottom shell 10 at the left side of the third bevel gear 14, a second rotating shaft 15 is rotatably arranged at the upper end of the generator 12, a fourth bevel gear 13 is fixedly arranged on the second rotating shaft 15, the fourth bevel gear 13 can be meshed with the third bevel gear 14, a fifth bevel gear 16 is fixedly arranged at the upper end of the second rotating shaft 15, a third rotating shaft 18 is rotatably arranged on the bottom shell 10 at the upper side of the fifth bevel gear 16, a third gear 17 is fixedly arranged on the third rotating shaft 18, a sixth bevel gear 19 is fixedly arranged on the third rotating shaft 18 at the front side of the third gear 17, the sixth bevel gear 19 can be engaged with the fifth bevel gear 16, an arc-shaped groove 66 is fixedly arranged on the bottom case 10 positioned on the upper side of the third gear 17, a sliding block 69 is slidably arranged in the arc-shaped groove 66, a moving gear 70 is rotatably arranged on the sliding block 69, an arc-shaped sliding rod 68 penetrating through the arc-shaped groove 66 is fixedly arranged at the right end of the sliding block 69, a first connecting rod 67 is rotatably arranged on the bottom case 10 positioned on the lower side of the arc-shaped sliding rod 68, the left end of the first connecting rod 67 is abutted against the arc-shaped sliding rod 68, the other end of a pull rope 53 is fixedly arranged at the right end of the first connecting rod 67, a fourth rotating shaft 58 is rotatably arranged on the bottom case 10 positioned on the upper side of the moving gear 70, a fourth gear 60 is fixedly arranged on the fourth rotating shaft 58, the fourth gear 60 can be engaged with the moving gear 70, a first belt pulley 59 is fixedly arranged on the fourth, be located first belt pulley 59 right side rotate on the drain pan 10 and be equipped with sixth pivot 65, be equipped with the spring between sixth pivot 65 and the drain pan 10, the fixed fifth gear 62 that is equipped with in sixth pivot 65, under certain conditions, fifth gear 62 can with the meshing of removal gear 70 is located fifth gear 62 front side the fixed second belt pulley 64 that is equipped with in sixth pivot 65, 6 with be equipped with first belt 61 between the first belt pulley 59.

Beneficially, the power cavity 11 contains 81, a fifth rotating shaft 48 is rotatably disposed on the bottom case 10 located at the left side of the supporting rod 31, a sixth gear 45 is fixedly disposed on the fifth rotating shaft 48, the sixth gear 45 can be engaged with a rack at the left end of the supporting rod 31, a seventh bevel gear 46 is fixedly disposed on the fifth rotating shaft 48 located at the front side of the sixth gear 45, a third belt pulley 47 is fixedly disposed on the fifth rotating shaft 48 located at the front side of the seventh bevel gear 46, a second belt 63 is disposed between the third belt pulley 47 and the second belt pulley 64, a motor 22 is fixedly disposed on the bottom case 10 located at the front side of the fifth rotating shaft 48, a seventh rotating shaft 23 penetrating through the motor 22 is rotatably disposed at the right end of the motor 22, a first switching bevel gear 26 is fixedly disposed on the seventh rotating shaft 23, a first switching rotating shaft 24 is rotatably disposed on the bottom case 10 located at the lower side of the first switching bevel gear 26, a second switching bevel gear 25 is fixedly arranged at the upper end of the first switching rotating shaft 24, the second switching bevel gear 25 can be meshed with the first switching bevel gear 26, a third switching rotating shaft 35 is rotatably arranged on the bottom shell 10 on the right side of the second switching bevel gear 25, the third switching rotating shaft 35 can slide left and right on the bottom shell 10, a third switching bevel gear 27 is fixedly arranged at the left end of the third switching rotating shaft 35, the third switching bevel gear 27 can be meshed with the second switching bevel gear 25 under a certain condition, an eighth bevel gear 49 is fixedly arranged on the third switching rotating shaft 35 on the right side of the third switching bevel gear 27, the eighth bevel gear 49 can be meshed with the seventh bevel gear 46 under a certain condition, and a second switching rotating shaft 51 is rotatably arranged on the bottom shell 10 on the upper side of the third switching rotating shaft 35, a second connecting rod 50 is fixedly arranged on the second switching rotating shaft 51, the lower end of the second connecting rod 50 can toggle the seventh rotating shaft 23 to slide left and right, and a convex block pressing rod 43 is arranged in the bottom shell 10 on the upper side of the second connecting rod 50 in a sliding manner.

Beneficially, a second spring 44 is arranged between the protruding block pressing rod 43 and the bottom shell 10, a first sliding shaft 52 is arranged at the lower end of the protruding block pressing rod 43, the first sliding shaft 52 can slide on the second connecting rod 50, a water sump 28 is arranged in the bottom shell 10 on the left side of the protruding block pressing rod 43, a sliding support plate 30 is arranged at the lower end of the water sump 28, a spring telescopic rod 29 is arranged between the sliding support plate 30 and the bottom shell 10, a water pump 20 is arranged at the left end of the seventh rotating shaft 23, a ratchet mechanism 21 is arranged on the seventh rotating shaft 23 between the water pump 20 and the motor 22, and a wind power collecting rotary blade 33 is fixedly arranged at the upper end of the wind power rotating shaft 32.

The use steps herein are described in detail below with reference to fig. 1-4: initial state: the position relationship is shown in the figure.

The working state is as follows: during flood tide, seawater gradually floods into the water sump 28, the sliding support plate 30 gradually slides downwards against the spring telescopic rod 29 under the action of gravity, during the sliding process, the right end of the sliding support plate 30 presses the lug pressing rod 43 to move rightwards, the lug pressing rod 43 moves to drive the first sliding shaft 52 to move rightwards, the first sliding shaft 52 moves to drive the second connecting rod 50 to rotate clockwise around the second switching rotating shaft 51, the second connecting rod 50 rotates to shift the third switching rotating shaft 35 to the left side, at this time, the eighth bevel gear 49 is meshed with the seventh bevel gear 46, the third switching bevel gear 27 is meshed with the second switching bevel gear 25, the motor 22 is started, the motor 22 rotates from top to bottom, the motor 22 rotates to drive the seventh rotating shaft 23 to rotate, at this time, the water pump 20 does not rotate under the action of the ratchet mechanism 21, the seventh rotating shaft 23 rotates to drive the first switching bevel gear 26 to rotate, the first switching bevel gear 26, the second switching bevel gear 25 rotates to drive the third switching bevel gear 27 to rotate, the third switching bevel gear 27 rotates to drive the eighth bevel gear 49 to rotate, the eighth bevel gear 49 rotates to drive the seventh bevel gear 46 to rotate, the seventh bevel gear 46 rotates to drive the fifth rotating shaft 48 to rotate, the fifth rotating shaft 48 rotates to drive the sixth gear 45 to rotate, the sixth gear 45 rotates to drive the supporting rod 31 to ascend, the flood tide is over, the bump pressing rod 43 returns under the action of the second spring 44, the third switching rotating shaft 35 returns, the transmission is disconnected, and the ascending is over.

During the ebb tide period, the motor 22 rotates reversely, at this time, under the action of the ratchet mechanism 21, the motor 22 rotates to drive the impeller in the water pump 20 to rotate, the water pump 20 rotates to gradually discharge water in the water bin 28, under the action of the spring telescopic rod 29, the sliding support plate 30 and the water bin 28 gradually ascend, the right end of the sliding support plate 30 presses the bump pressing rod 43 to move rightwards, the motor 22 drives the sixth gear 45 to rotate reversely, the sixth gear 45 rotates to drive the support rod 31 to descend, ebb tide is finished, the bump pressing rod 43 returns under the action of the second spring 44, the third switching rotating shaft 35 returns, transmission is disconnected, and descending is finished.

During normal wind speed, power is generated, wind blows the wind power collection rotating blade 33 to rotate, the wind power collection rotating blade 33 rotates to drive the wind power rotating shaft 32 to rotate, the wind power rotating shaft 32 rotates to drive the first gear 39 to rotate, the first gear 39 rotates to drive the second gear 40 to rotate, the second gear 40 rotates to drive the spline gear 41 to rotate, the spline gear 41 rotates to drive the first bevel gear 38 to rotate, the first bevel gear 38 rotates to drive the second bevel gear 37 to rotate, the second bevel gear 37 rotates to drive the first rotating shaft 36 to rotate, the first rotating shaft 36 rotates to drive the third bevel gear 14 to rotate, the third bevel gear 14 rotates to drive the fourth bevel gear 13 to rotate, the fourth bevel gear 13 rotates to drive the second rotating shaft 15 to rotate, the second rotating shaft 15 rotates to drive the generator 12 to generate power, the second rotating shaft 15 rotates to drive the fifth bevel gear 16 to rotate, the fifth bevel gear 16 rotates to drive the third rotating shaft 18 to rotate, the third rotating shaft, third gear 17 rotates and drives moving gear 70 to rotate, moving gear 70 rotates and drives fourth gear 60 to rotate, fourth gear 60 rotates and drives fourth pivot 58 to rotate, fourth pivot 58 rotates and drives first belt pulley 59 to rotate, first belt pulley 59 rotates and drives first belt 61 to rotate, first belt 61 rotates and drives second belt pulley 64 to rotate, second belt pulley 64 rotates and drives second belt 63 to rotate, second belt 63 rotates and drives third belt pulley 47 to rotate, third belt pulley 47 rotates and drives sixth gear 45 to rotate, sixth gear 45 rotates and drives supporting rod 31 to rise, and auxiliary motor 22 saves power.

During the increase of wind power, the rotation of the wind power collecting rotary blade 33 is accelerated, the right lateral force of the moving gear 70 is increased, the moving gear 70 overcomes the spring to be meshed with the fifth gear 62, the fifth gear 62 rotates to drive the sixth rotating shaft 65 to rotate, the sixth rotating shaft 65 rotates to drive the second belt pulley 64 to rotate, the second belt pulley 64 rotates to drive the second belt pulley 63 to rotate, the second belt pulley 63 rotates to drive the third belt pulley 47 to rotate, the third belt pulley 47 rotates to drive the sixth gear 45 to rotate, the sixth gear 45 rotates to drive the support rod 31 to descend, when the wind power is increased to reach a critical value, the sixth rotating shaft 65 overcomes the spring force, the moving gear 70 can continuously slide to the right, the moving gear 70 slides to drive the arc-shaped slide bar 68 to extend, the arc-shaped slide bar 68 extends to press down the left end of the first connecting bar 67, the right end of the first connecting bar 67 tilts up to pull the pull rope 53, the, the shaft sleeve 56 moves to drive the first rotating shaft 36 to rise, and the wind power transmission is disconnected so as not to damage the generator.

The wind power is reduced, under the action of the spring in the arc-shaped groove 66, the movable gear 70 returns to the original position, the support rod 31 is lifted, the support rod 31 is moved under the action of the rack to drive the support rod 71 to rotate, the support rod 71 rotates to drive the support rod 72 to move downwards, the support rod 72 moves downwards to drive the support rod 73 to press down the shaft sleeve 56, the bolt 55 is reinserted into the shaft sleeve 56 under the action of the spring, the first rotating shaft 36 moves downwards, and the power is transmitted again.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a bill-board equipment suitable for beach, includes the drain pan, its characterized in that: a power cavity is arranged in the bottom shell; the power cavity is internally provided with a wind power detection mechanism, the upper end of the power cavity is slidably provided with a support rod extending out of the bottom shell, the left end of the support rod is provided with a rack, a wind power rotating shaft penetrating through the support rod is rotatably arranged in the support rod, the wind power rotating shaft positioned in the power cavity is provided with a movable shell, the wind power rotating shaft positioned in the movable shell is fixedly provided with a first gear, the movable shell positioned on the right side of the first gear is rotatably provided with a second gear, the second gear can be meshed with the first gear, the bottom shell positioned on the right side of the support rod is fixedly provided with a spline shaft penetrating through the movable shell, the movable shell can slide on the spline shaft, the spline shaft positioned in the movable shell is provided with a spline gear, the spline gear is connected with the spline shaft, and the lower end of the spline shaft is fixedly provided with a first bevel gear, a first rotating shaft is rotatably arranged on the bottom shell on the left side of the first bevel gear, the first rotating shaft can slide up and down in the bottom shell, a second bevel gear is fixedly arranged on the right end of the first rotating shaft, the second bevel gear can be meshed with the first bevel gear, a third bevel gear is fixedly arranged on the left end of the first rotating shaft, a shaft sleeve is rotatably arranged on the first rotating shaft, the shaft sleeve can slide up and down in the bottom shell, a connecting rod is arranged at the upper end of the shaft sleeve, a first spring is arranged between the shaft sleeve and the bottom shell, a bolt penetrating through the connecting rod at the upper end of the shaft sleeve is slidably arranged on the bottom shell on the upper side of the shaft sleeve, a spring is arranged between the bolt and the bottom shell, a pulley is arranged on the bottom shell on the left side of the bolt, a generator is fixedly arranged on the bottom shell on the left, a fourth bevel gear is fixedly arranged on the second rotating shaft and can be meshed with the third bevel gear, a fifth bevel gear is fixedly arranged at the upper end of the second rotating shaft, a third rotating shaft is rotatably arranged on the bottom shell positioned on the upper side of the fifth bevel gear, a third gear is fixedly arranged on the third rotating shaft, a sixth bevel gear is fixedly arranged on the third rotating shaft positioned on the front side of the third gear and can be meshed with the fifth bevel gear, an arc-shaped groove is fixedly arranged on the bottom shell positioned on the upper side of the third gear, a sliding block is arranged in the arc-shaped groove in a sliding manner, a moving gear is rotatably arranged on the sliding block, an arc-shaped sliding rod penetrating through the arc-shaped groove is fixedly arranged at the right end of the sliding block, a first connecting rod is rotatably arranged on the bottom shell positioned on the lower side of the arc-shaped sliding rod, and the left end of the first connecting rod is abutted against, the utility model discloses a gear box, including the drain pan, the first connecting rod front side, the drain pan is equipped with the first pulley, the first connecting rod right-hand member is fixed with the stay cord other end, is located the removal gear upside rotate on the drain pan and be equipped with the fourth pivot, the fixed fourth gear that is equipped with in the fourth pivot, be located the fixed fourth gear that is equipped with in the fourth pivot, the fourth gear can with remove gear engagement, be located the fourth gear front side the fixed first belt pulley that is equipped with in the fourth pivot, be located the first belt pulley right side rotate on the drain pan and be equipped with the sixth pivot, be equipped with the spring between sixth pivot and the drain pan, the fixed fifth gear that is equipped with in the sixth pivot, under certain conditions, the fifth gear can with remove gear engagement, be located the fifth gear front side the fixed second belt pulley that is equipped with.

2. A billboard apparatus suitable for use at a beach of claim 1 in which: a fifth rotating shaft is rotatably arranged on the bottom shell positioned on the left side of the supporting rod and is fixedly provided with a sixth gear, the sixth gear can be meshed with a rack at the left end of the supporting rod, a seventh bevel gear is fixedly arranged on the fifth rotating shaft positioned on the front side of the sixth gear, a third belt pulley is fixedly arranged on the fifth rotating shaft positioned on the front side of the seventh bevel gear, a second belt is arranged between the third belt pulley and the second belt pulley, a motor is fixedly arranged on the bottom shell positioned on the front side of the fifth rotating shaft, a seventh rotating shaft penetrating through the motor is rotatably arranged at the right end of the motor, a first switching bevel gear is fixedly arranged on the seventh rotating shaft, a first switching rotating shaft is rotatably arranged on the bottom shell positioned on the lower side of the first switching bevel gear, and a second switching bevel gear is fixedly arranged at the upper end of the first switching rotating shaft, the second switching bevel gear can be meshed with the first switching bevel gear, a third switching rotating shaft is rotatably arranged on the bottom shell on the right side of the second switching bevel gear, the third switching rotating shaft can slide left and right on the bottom shell, a third switching bevel gear is fixedly arranged at the left end of the third switching rotating shaft, the third switching bevel gear can be meshed with the second switching bevel gear under a certain condition, an eighth bevel gear is fixedly arranged on the third switching rotating shaft on the right side of the third switching bevel gear, the eighth bevel gear can be meshed with the seventh bevel gear under a certain condition, a second switching rotating shaft is rotatably arranged on the bottom shell on the upper side of the third switching rotating shaft, a second connecting rod is fixedly arranged on the second switching rotating shaft, and the lower end of the second connecting rod can shift the seventh rotating shaft to slide left and right, and a bump pressing rod is arranged in the bottom shell on the upper side of the second connecting rod in a sliding manner.

3. A billboard apparatus suitable for use at a beach of claim 1 in which: the water sump is characterized in that a second spring is arranged between the convex block pressing rod and the bottom case, a first sliding shaft is arranged at the lower end of the convex block pressing rod and can slide on the second connecting rod and is positioned on the left side of the convex block pressing rod, a water sump is arranged in the bottom case, a sliding supporting plate is arranged at the lower end of the water sump, a spring telescopic rod is arranged between the sliding supporting plate and the bottom case, a water pump is arranged at the left end of the seventh rotating shaft and is positioned between the water pump and the motor, a ratchet mechanism is arranged on the seventh rotating shaft, and a wind power collecting rotary blade is fixedly arranged at the upper end of.