CN113653907B

CN113653907B - Outdoor propaganda device of multi-environment adaptability

Info

Publication number: CN113653907B
Application number: CN202110972158.5A
Authority: CN
Inventors: 张洋; 杨扬; 王传飞
Original assignee: Nanyang Institute of Technology
Current assignee: Nanyang Institute of Technology
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-10-04
Anticipated expiration: 2041-08-24
Also published as: CN113653907A

Abstract

The utility model relates to an outdoor propaganda device of multi-environment adaptability, including base and stand, the base sets up in the stand bottom, still includes: the overturning component is arranged on the inner side wall of the stand column, the output end of the overturning component is connected with a propaganda display screen, and the top of the overturning component is connected with a top cover for shielding the propaganda display screen; the lifting component is arranged at the bottom of the upright post; a wind sensing assembly; the wind power induction assembly is arranged at the top of the top cover and comprises a rotating seat, a starting seat and a switch assembly, the starting seat is rotatably connected to the top wall of the top cover, the rotating seat is rotatably connected to the bottom wall inside the starting seat, the switch assembly is arranged inside the top cover, and the wind power induction assembly is matched with the overturning assembly and the lifting assembly through the switch assembly; the invention can protect the self-body by descending and overturning in severe weather, is suitable for various environments, has good publicity effect and is convenient to use.

Description

Outdoor propaganda device of multi-environment adaptability

Technical Field

The invention relates to a multi-environment-adaptability outdoor propaganda device, and belongs to the technical field of education.

Background

The patent with publication number CN112102758A discloses an ideological and political affairs knowledge outdoor propaganda device for ideological and political affairs education with high adaptability, which belongs to the technical field of ideological and political affairs education and comprises a support and an intelligent control system arranged on one side of the support, wherein the inner side of the support is fixedly connected with one side close to a propaganda column through a connecting frame, a propaganda book binding groove is formed in the front side of the propaganda column, a projection display screen is arranged at the position, corresponding to the propaganda book binding groove, on the surface of the propaganda column, and a reflector is arranged at the position, corresponding to the projection display screen, on the front side of the propaganda column;

this propaganda device is when outdoor use, is difficult to adapt to outdoor bad weather, and very big wind is very big to the device's influence, very easily causes economic loss for can not carry out normal propaganda work, and can only fix the position installation, be not convenient for shift, lead to the propaganda scope less, the effect of publicity is not good.

We have therefore improved this and have proposed a multi-environment adaptive outdoor propaganda device.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: when using in the open air, be difficult to adapt to outdoor bad weather, the strong wind is very big to the device's influence very easily causes economic loss for can not carry out normal propaganda work, and can only fix the position installation, be not convenient for shift, lead to the propaganda scope less, the problem that the effect of publicity is not good.

(II) technical scheme

In order to achieve the above object, the present invention provides a multi-environment-adaptive outdoor propaganda device, which includes a base and two sets of columns, wherein the base is disposed at the bottom of the column, and the base and the columns are symmetrically disposed, and the device further includes:

turning over the assembly: the turnover component is arranged on the inner side wall of the upright post, the output end of the turnover component is connected with a propaganda display screen for driving the propaganda display screen to turn over, and the top of the turnover component is connected with a top cover for shielding the propaganda display screen;

the lifting component: the lifting device is arranged at the bottom of the upright column and is used for lifting in cooperation with the overturning assembly;

wind-force response subassembly: set up in the top cap top, the wind-force response subassembly is including rotating seat, start seat and switch module, start the seat and rotate to be connected in the top cap roof, rotate the seat and rotate and connect in the inside diapire of start seat, it passes and starts a top portion and be connected with and rotates the wind cup group to rotate the seat, switch module sets up inside the top cap, the wind-force response subassembly cooperatees with upset subassembly and lifting unit through switch module for response wind-force size, control lifting unit and the opening of upset subassembly and stop the state.

The outer wall of the rotating seat is connected with two groups of sliding clamping blocks in a sliding mode, the outer wall of each sliding clamping block is connected with a ratchet clamping block, ratchet clamping grooves are evenly formed in the inner wall of the starting seat, the ratchet clamping blocks are matched with the ratchet clamping grooves, and two groups of tension springs are connected between the two groups of sliding clamping blocks.

The switch assembly comprises a trigger rod and a sliding frame, the trigger rod is connected to the top of the top cover in a sliding mode, the trigger rod penetrates through the top cover and extends downwards, the sliding frame is connected to the outer wall of the extending end of the trigger rod in a sliding mode, an elastic clamping tongue is arranged on the inner wall of the top cover and is matched with the sliding frame, a pulling plate is arranged at the top of the trigger rod, and the sliding frame is of a trapezoid-like structure.

The outer wall of the starting seat is connected with a spiral guide rail, the spiral guide rail is matched with the trigger rod, a spring is connected between the trigger rod and the sliding frame, a starting switch is installed on the side wall of the top cover, the starting switch is matched with the overturning assembly and the lifting assembly, when the starting switch is in a working state, the tail end of the bottom of the spiral guide rail is abutted to the top of the trigger rod, and the elastic clamping tongue is located on the inclined plane of the upper portion of the sliding frame.

Wherein, the upset subassembly includes mounting panel, rotor arm and returning face plate, the mounting panel is connected in the top cap bottom, the mounting panel links to each other with the stand is fixed, rotor arm and returning face plate all rotate and connect in the mounting panel inner wall, the one end that the mounting panel was kept away from to rotor arm and returning face plate all rotates and connects in the propaganda display screen lateral wall.

The turnover plate comprises a turnover plate side wall, an electric telescopic rod telescopic end and a starting switch, wherein the turnover plate side wall is connected with the electric telescopic rod in a rotating mode, the telescopic end of the electric telescopic rod is connected to the side wall of the installation plate in a rotating mode, the electric telescopic rod is matched with the starting switch, and the turnover assembly is symmetrically provided with two sets of turnover assemblies.

The lifting assembly comprises a lifting arm and a moving block, the lifting arm is rotatably connected to the bottom of the stand column, the moving block is rotatably connected to the bottom of the lifting arm, the lifting arm is arranged in two groups in a crossed mode, the tops of the two groups of bases are connected with sliding rails, and the moving block is slidably connected to the tops of the sliding rails.

The top of the sliding rail is rotatably connected with a lead screw, torsion springs are arranged at two ends of the lead screw, the moving block is connected to the outer wall of the lead screw through threads, a stay cord is wound on the outer wall of the lead screw and connected with a winding rod between the mounting plates, and one end, far away from the lead screw, of the stay cord is fixedly connected with the bottom of the propaganda display screen in a bypassing mode.

Wherein, still including setting up the removal subassembly in the base is inside, remove the subassembly and include fixed plate and lifter plate, fixed plate fixed connection is in the base inner wall, lifter plate sliding connection is in the base inner wall, fixed plate inner wall connection has the screw rod, the lifter plate is provided with the screw thread and cooperatees with the screw rod, the lifter plate bottom is provided with the removal wheel, the screw rod top is provided with the bevel gear group, the inside rotation of base is connected with the transfer line, the screw rod cooperatees with the transfer line through the bevel gear group, the transfer line passes the base inner wall and outwards extends, the transfer line extends the end and is connected with the crank.

Wherein, the base bottom is connected with the mount pad.

(III) advantageous effects

The multi-environment-adaptability outdoor propaganda device provided by the invention has the beneficial effects that:

1. the wind power induction component is arranged to realize the induction of the wind power, the switch component is matched with the turnover component, the lifting component is started when the wind power is larger, and then the turnover component is driven, so that the problems that the operation is unstable, the service life is short, the ornamental value is poor, the attention of passers-by cannot be attracted, and the propaganda effect is poor in the prior art are solved;

2. the problem that the propaganda display screen is overturned is solved by the arranged overturning component, the problem that the propaganda device is not stable enough due to the fact that the propaganda display screen is large in wind resistance when being vertical in the prior art is solved, the propaganda display screen can be away from the ground by a certain distance and can be completely retracted into the top cover, the influence of rainwater possibly generated after strong wind is reduced, and the propaganda display screen is suitable for various adverse environments;

3. the height of the device is adjusted by the aid of the arranged lifting assembly, and the device is started by the aid of the rotation driving of the turnover assembly, so that the problems that the center is higher and is not stable enough in windy weather due to the fact that the propaganda device is higher in height in the prior art are solved;

4. through the removal subassembly that sets up, realized removing this device when needs, solved the transport of not being convenient for among the prior art, transported the problem that intensity of labour is big and the propaganda scope is little.

Drawings

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

FIG. 1 is a first schematic structural view of a multi-environment adaptive outdoor promotional device provided herein;

FIG. 2 is a schematic structural diagram of a multi-environment adaptive outdoor propaganda device provided in the present application;

FIG. 3 is a schematic structural view of a flip assembly of the multi-environment adaptive outdoor promotional device provided in the present application;

FIG. 4 is a schematic cross-sectional view of a top cover of the multi-environment adaptive outdoor promotional device provided herein;

FIG. 5 is a schematic diagram of a switch assembly of the multi-environment adaptive outdoor promotional device provided in the present application;

FIG. 6 is a schematic view of a wind sensing assembly of the multi-environment adaptive outdoor promotional device provided in the present application;

FIG. 7 is a schematic view of the internal structure of the base of the multi-environment adaptive outdoor promotional device provided by the present application;

FIG. 8 is a first schematic view of a first exemplary moving assembly of the multi-environment adaptive outdoor promotional device of the present application;

fig. 9 is a schematic structural diagram of a moving assembly of the multi-environment-adaptive outdoor propaganda device provided by the present application.

1. A base; 101. a rotating seat; 102. a column; 103. a top cover; 104. a display screen is publicized; 105. rotating the wind cup group; 106. a torsion spring; 107. a sliding rail; 108. a wire winding rod; 2. mounting a plate; 201. a rotating arm; 202. a turnover plate; 203. an electric telescopic rod; 204. a moving block; 205. a screw rod; 206. a lifting arm; 207. pulling a rope; 208. a transmission rod; 209. a bevel gear set; 210. a crank; 211. a fixing plate; 212. a lifting plate; 213. a screw; 214. a moving wheel; 3. starting a seat; 301. a helical guide rail; 302. a carriage; 303. a spring; 304. starting a switch; 305. an elastic clamping tongue; 306. sliding the clamping block; 307. a tension spring; 308. a ratchet wheel clamping block; 309. a ratchet wheel clamping groove; 310. a trigger lever.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, this embodiment provides an outdoor propaganda device with multiple environmental suitability, which includes a base 1 and a vertical column 102, wherein the base 1 is disposed at the bottom of the vertical column 102, and the base 1 and the vertical column 102 are symmetrically disposed with two sets, and further includes:

and (3) overturning the assembly: the turnover component is arranged on the inner side wall of the upright post 102, the output end of the turnover component is connected with a propaganda display screen 104 and used for driving the propaganda display screen 104 to turn over, and the top of the turnover component is connected with a top cover 103 and used for shielding the propaganda display screen 104;

the lifting component: the lifting device is arranged at the bottom of the upright post 102 and is used for lifting in cooperation with the overturning assembly;

the wind power induction assembly: set up in top cap 103 top, wind-force response subassembly is including rotating seat 101, start seat 3 and switch module, start seat 3 and rotate to be connected in top cap 103 roof, it rotates seat 101 and rotates to be connected in the inside diapire of start seat 3, it is connected with rotation wind cup group 105 to rotate seat 101 and pass start seat 3 top, switch module sets up inside top cap 103, wind-force response subassembly cooperatees with upset subassembly and lifting unit through switch module, be used for responding to wind-force size, control lifting unit and the opening of upset subassembly stop the state.

As shown in fig. 6, two sets of sliding fixture blocks 306 are slidably connected to the outer wall of the rotating seat 101, the outer wall of the sliding fixture blocks 306 is connected with ratchet fixture blocks 308, ratchet clamping grooves 309 are uniformly formed in the inner wall of the starting seat 3, the ratchet fixture blocks 308 are matched with the ratchet clamping grooves 309, and two sets of tension springs 307 are connected between the two sets of sliding fixture blocks 306; when the wind force is large, the sliding block 306 is clamped into the ratchet clamping groove 309 through the ratchet clamping block 308 under the action of centrifugal force, so that the starting seat 3 is driven to rotate.

As shown in fig. 5, the switch assembly includes a trigger rod 310 and a sliding frame 302, the trigger rod 310 is slidably connected to the top of the top cover 103, the trigger rod 310 passes through the top cover 103 and extends downward, the sliding frame 302 is slidably connected to the outer wall of the extending end of the trigger rod 310, the inner wall of the top cover 103 is provided with an elastic latch 305, the elastic latch 305 is matched with the sliding frame 302, and the top of the trigger rod 310 is provided with a pull plate; the trigger bar 310 is pressed downwards with a certain resistance to prevent the generation of false touch caused by other reasons, and the sliding frame 302 is of a trapezoid-like structure.

As shown in fig. 4 and 5, a spiral guide rail 301 is connected to an outer wall of the start seat 3, the spiral guide rail 301 is matched with a trigger rod 310, a spring 303 is connected between the trigger rod 310 and the sliding frame 302, a start switch 304 is installed on a side wall of the top cover 103, the start switch 304 is matched with the turning assembly and the lifting assembly, when the start switch 304 is in a working state, a bottom end of the spiral guide rail 301 is pressed against a top of the trigger rod 310, and an elastic latch 305 is located on an inclined surface of an upper portion of the sliding frame 302; the switch component is triggered through the wind power induction component, and the electric telescopic rod 203 can be started.

When the wind power is high, the two groups of sliding clamping blocks 306 rotate quickly and move in the direction far away from the rotating seat 101 under the action of centrifugal force, so that the ratchet clamping block 308 is clamped in the ratchet clamping groove 309 and further drives the starting seat 3 to rotate, the starting seat 3 drives the spiral guide rail 301 to rotate, the spiral guide rail 301 gradually drives the trigger rod 310 to press down, the trigger rod 310 drives the sliding frame 302 to descend through the spring 303, the elastic clamping tongue 305 retracts until the trigger rod 310 presses down and the starting switch 304 is started, wherein the sliding frame 302 is of a trapezoid-like structure, when the starting switch 304 is triggered, the bottom end of the spiral guide rail 301 is pressed against the top of the trigger rod 310, the elastic clamping tongue 305 is positioned at the upper part of the sliding frame 302, when the starting switch 304 is started, the electric motor 203 is started at the same time, the running is stable, the service life is long, the inclined plane is not easy to blow, and the road watching effect is strengthened.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, as a preferred embodiment, on the basis of the above manner, further, the turnover assembly includes a mounting plate 2, a rotating arm 201 and a turnover plate 202, the mounting plate 2 is connected to the bottom of the top cover 103, the mounting plate 2 is fixedly connected to the upright column 102, both the rotating arm 201 and the turnover plate 202 are rotatably connected to the inner wall of the mounting plate 2, and both ends of the rotating arm 201 and the turnover plate 202, which are far away from the mounting plate 2, are rotatably connected to the side wall of the promotion display screen 104.

As shown in fig. 3 and 4, the side wall of the turnover plate 202 is rotatably connected with an electric telescopic rod 203, the telescopic end of the electric telescopic rod 203 is rotatably connected with the side wall of the mounting plate 2, the electric telescopic rods 203 are matched with a starting switch 304, and two groups of turnover components are symmetrically arranged; the upset subassembly can drive propaganda display screen 104 and overturn to the level, when can effectively reduce the windage, reduces the focus of this device, also enables propaganda display screen 104 to produce the certain distance apart from ground to make in propaganda display screen 104 contracts top cap 103 completely, reduce the influence of the rainwater that probably produces behind the strong wind.

As shown in fig. 1 and 2, the lifting assembly includes a lifting arm 206 rotatably connected to the bottom of the upright 102 and a moving block 204 rotatably connected to the bottom of the lifting arm 206, the lifting arm 206 is provided with two sets in a crossing manner, the tops of the two sets of bases 1 are connected with the sliding rail 107, and the moving block 204 is slidably connected to the top of the sliding rail 107.

As shown in fig. 1 and 2, the top of the sliding rail 107 is rotatably connected with a lead screw 205, two ends of the lead screw 205 are both provided with a torsion spring 106, the moving block 204 is connected to the outer wall of the lead screw 205 through threads, a pull rope 207 is wound on the outer wall of the lead screw 205, a winding rod 108 is connected between the two sets of mounting plates 2, and one end of the pull rope 207, which is far away from the lead screw 205, is fixedly connected with the bottom of the advertising display screen 104 by bypassing the top of the winding rod 108.

As shown in fig. 7, 8 and 9, the mobile assembly further comprises a moving assembly arranged inside the base 1, the moving assembly comprises a fixed plate 211 and a lifting plate 212, the fixed plate 211 is fixedly connected to the inner wall of the base 1, the lifting plate 212 is slidably connected to the inner wall of the base 1, a screw 213 is connected to the inner wall of the fixed plate 211, the lifting plate 212 is provided with threads to be matched with the screw 213, a moving wheel 214 is arranged at the bottom of the lifting plate 212, a bevel gear set 209 is arranged at the top of the screw 213, a transmission rod 208 is rotatably connected inside the base 1, the screw 213 is matched with the transmission rod 208 through the bevel gear set 209, the transmission rod 208 penetrates through the inner wall of the base 1 and extends outwards, and the extending end of the transmission rod 208 is connected with a crank 210; the movable assembly can be moved conveniently, the propaganda range can be effectively enlarged, and the movable assembly can be carried conveniently.

As shown in fig. 9, the bottom of the base 1 is connected with a mounting seat; the base 1 can move when needed and can be installed on the ground through the installation seat, so that the device is more stable when in use.

When the device needs to be moved, the propaganda device is moved to an appointed position through the moving wheel 214, the crank 210 is rotated, the crank 210 drives the screw rod 213 to rotate through the bevel gear set 209, the screw rod 213 rotates to drive the lifting plate 212 to ascend, so that the moving wheel 214 retracts into the base 1, the base 1 is contacted with the ground, and then the device is fixed on the ground through the mounting hole, so that the device can be moved conveniently, the propaganda range can be effectively increased, the carrying can be facilitated, the device is suitable for various conditions, and is convenient to operate and use; when electric telescopic handle 203 starts, electric telescopic handle 203 stretches out, and drive returning face plate 202 and rotate to top cap 103 direction, cooperate with rotor arm 201 and make propaganda display screen 104 overturn approximately 90 degrees to the inside direction of top cap 103, simultaneously propaganda display screen 104 bottom can stimulate stay cord 207 and stimulate, the stay cord 207 other end drives lead screw 205 and rotates, torsional spring 106 energy storage, movable block 204 cooperatees at sliding rail 107 top to both sides through screw thread and lead screw 205, and then drive the upset subassembly through stand 102 and descend and then drive propaganda display screen 104 and descend, thereby reduce this device focus, the subassembly that overturns simultaneously drives propaganda display screen 104 and overturns to the level, when can effectively reducing the windage, can reduce the focus of this device, also can make propaganda display screen 104 produce certain distance apart from ground, and make propaganda display screen 104 retract in top cap 103 completely, reduce the influence of the rainwater that probably produces behind the strong wind, be applicable to multiple adverse circumstances.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. The utility model provides an outdoor propaganda device of multiple environmental suitability, includes base (1) and stand (102), base (1) sets up in stand (102) bottom, base (1) and stand (102) equal symmetry are provided with two sets ofly, and its characterized in that still includes:

turning over the assembly: the turnover component is arranged on the inner side wall of the upright post (102), the output end of the turnover component is connected with a propaganda display screen (104) and used for driving the propaganda display screen (104) to turn over, and the top of the turnover component is connected with a top cover (103) and used for shielding the propaganda display screen (104);

the lifting component: the lifting device is arranged at the bottom of the upright post (102) and is used for lifting in cooperation with the overturning assembly;

the lifting assembly comprises a lifting arm (206) rotatably connected to the bottom of the upright post (102) and a moving block (204) rotatably connected to the bottom of the lifting arm (206), the lifting arm (206) is provided with two groups in a crossed manner, the tops of the two groups of bases (1) are connected with sliding rails (107), and the moving block (204) is slidably connected to the tops of the sliding rails (107);

wind-force response subassembly: the wind power induction assembly is arranged at the top of the top cover (103), the wind power induction assembly comprises a rotating seat (101), a starting seat (3) and a switch assembly, the starting seat (3) is rotatably connected to the top wall of the top cover (103), the rotating seat (101) is rotatably connected to the bottom wall of the interior of the starting seat (3), the rotating seat (101) penetrates through the top of the starting seat (3) and is connected with a rotating wind cup set (105), and the switch assembly is arranged inside the top cover (103);

the switch assembly comprises a trigger rod (310) and a sliding frame (302), the trigger rod (310) is connected to the top of the top cover (103) in a sliding mode, the trigger rod (310) penetrates through the top cover (103) and extends downwards, the sliding frame (302) is connected to the outer wall of the extending end of the trigger rod (310) in a sliding mode, an elastic clamping tongue (305) is arranged on the inner wall of the top cover (103), the elastic clamping tongue (305) is matched with the sliding frame (302), a pulling plate is arranged on the top of the trigger rod (310), and the sliding frame (302) is of a trapezoid-like structure;

the wind power induction assembly is matched with the turnover assembly and the lifting assembly through the switch assembly and used for inducing the wind power and controlling the starting and stopping states of the lifting assembly and the turnover assembly.

2. The outdoor propaganda device with multiple environmental adaptability according to claim 1, wherein two groups of sliding fixture blocks (306) are slidably connected to the outer wall of the rotating seat (101), ratchet fixture blocks (308) are connected to the outer wall of the sliding fixture blocks (306), ratchet fixture grooves (309) are uniformly formed in the inner wall of the starting seat (3), the ratchet fixture blocks (308) are matched with the ratchet fixture grooves (309), and two groups of tension springs (307) are connected between the two groups of sliding fixture blocks (306).

3. The outdoor propaganda device of claim 2, wherein a spiral guide rail (301) is connected to the outer wall of the starting seat (3), the spiral guide rail (301) is matched with a trigger rod (310), a spring (303) is connected between the trigger rod (310) and the sliding frame (302), a starting switch (304) is installed on the side wall of the top cover (103), the starting switch (304) is matched with the overturning component and the lifting component, when the starting switch (304) is in an operating state, the bottom end of the spiral guide rail (301) is pressed against the top of the trigger rod (310), and the elastic clamping tongue (305) is positioned on the inclined surface of the upper part of the sliding frame (302).

4. The outdoor propaganda device of claim 1, wherein the turnover assembly comprises a mounting plate (2), a rotating arm (201) and a turnover plate (202), the mounting plate (2) is connected to the bottom of the top cover (103), the mounting plate (2) is fixedly connected with the upright post (102), the rotating arm (201) and the turnover plate (202) are both rotatably connected to the inner wall of the mounting plate (2), and the ends of the rotating arm (201) and the turnover plate (202), which are far away from the mounting plate (2), are both rotatably connected to the side wall of the propaganda display screen (104).

5. The outdoor propaganda device with multiple environmental adaptability according to claim 4, characterized in that the side wall of the turning plate (202) is rotatably connected with an electric telescopic rod (203), the telescopic end of the electric telescopic rod (203) is rotatably connected with the side wall of the mounting plate (2), the electric telescopic rod (203) is matched with a starting switch (304), and the turning assemblies are symmetrically arranged in two groups.

6. The multi-environment-adaptive outdoor propaganda device according to claim 5, wherein a lead screw (205) is rotatably connected to the top of the sliding rail (107), torsion springs (106) are arranged at both ends of the lead screw (205), the moving block (204) is connected to the outer wall of the lead screw (205) through threads, a pull rope (207) is wound on the outer wall of the lead screw (205), a winding rod (108) is connected between the two sets of mounting plates (2), and one end of the pull rope (207) far away from the lead screw (205) bypasses the top of the winding rod (108) and is fixedly connected with the bottom of the propaganda display screen (104).

7. The outdoor propaganda device of multi-environment-adaptability according to claim 1, further comprising a moving assembly arranged inside the base (1), wherein the moving assembly comprises a fixing plate (211) and a lifting plate (212), the fixing plate (211) is fixedly connected to the inner wall of the base (1), the lifting plate (212) is slidably connected to the inner wall of the base (1), a screw (213) is connected to the inner wall of the fixing plate (211), the lifting plate (212) is provided with threads to match with the screw (213), a moving wheel (214) is arranged at the bottom of the lifting plate (212), a bevel gear set (209) is arranged at the top of the screw (213), a transmission rod (208) is rotatably connected inside the base (1), the screw (213) is matched with the transmission rod (208) through the bevel gear set (209), the transmission rod (208) penetrates through the inner wall of the base (1) and extends outwards, and the extension end of the transmission rod (208) is connected with a crank (210).

8. A multi-environment-adaptive outdoor propaganda device according to claim 1, wherein a mounting seat is connected to the bottom of the base (1).