阅读说明：本技术 一种塑料制品生产车间的智能瞬时风向指示装置 (Intelligent instantaneous wind direction indicating device for plastic product production workshop ) 是由 胡小建 于 2021-08-16 设计创作，主要内容包括：本发明涉及车间安全技术领域,具体涉及一种塑料制品生产车间的智能瞬时风向指示装置,包括固定柱、风标、安装板、第一惯性轮和第二惯性轮,固定柱沿竖直方向延伸；安装板中心可转动地安装于固定柱；风标中心可转动地安装于固定柱上；安装板的两端的下侧均设置有挡块,挡块在其滑动行程上具有阻碍第一惯性轮转动,允许第二惯性轮转动的第一位置和阻碍第二惯性轮转动,允许第一惯性轮转动的第二位置,利用风向标转动至越过与风向一致位置后与安装板之间的转速差,触发挡块移动,使第一惯性轮或第二惯性轮撞击挡块,促使安装板沿反方向转动,并带动风标反方向转动摆回,进而加快风标摆回到与风力方向一致的位置,从而使风标快速指向风力方向。(The invention relates to the technical field of workshop safety, in particular to an intelligent instantaneous wind direction indicating device for a plastic product production workshop, which comprises a fixing column, a wind vane, an installation plate, a first inertia wheel and a second inertia wheel, wherein the fixing column extends along the vertical direction; the center of the mounting plate is rotatably arranged on the fixed column; the center of the vane is rotatably arranged on the fixed column; the downside at the both ends of mounting panel all is provided with the dog, the dog has on its slip stroke and hinders first inertia wheel and rotate, allow second inertia wheel pivoted primary importance and hinder the rotation of second inertia wheel, allow first inertia wheel pivoted second place, utilize the wind vane to rotate to crossing behind the consistent position with the wind direction and the rotational speed difference between the mounting panel, trigger the dog and remove, make first inertia wheel or second inertia wheel striking dog, make the mounting panel rotate along the opposite direction, and drive the vane opposite direction and rotate the pendulum back, and then accelerate the vane pendulum and get back to the position unanimous with the wind-force direction, thereby make the quick directional wind-force direction of vane.)

1. The utility model provides an instantaneous wind direction indicating device of intelligence of plastic products workshop which characterized in that: the wind vane comprises a fixed column, a wind vane, a power assembly, a mounting plate, a transmission assembly, a first inertia wheel and a second inertia wheel, wherein the fixed column extends along the vertical direction, and the lower end of the fixed column is fixed at a point to be measured; the mounting plate is horizontally arranged, and the center of the mounting plate is rotatably mounted on the fixed column; the wind vane extends along the horizontal direction, the center of the wind vane is rotatably arranged on the fixed column, the two ends of the wind vane are respectively provided with a driving lever which vertically extends downwards, the lower ends of the two driving levers are respectively positioned at the two sides of the two ends of the mounting plate, the wind vane is simultaneously close to the mounting plate when rotating along the first direction, and the wind vane is simultaneously far away from the mounting plate when rotating along the second direction opposite to the first direction; the first inertia wheel and the second inertia wheel have the same structure and are respectively and rotatably arranged below two ends of the mounting plate around a vertical axis; the power assembly drives the first inertia wheel to rotate along a third direction under the action of wind power and drives the second inertia wheel to rotate along a fourth direction opposite to the third direction, wherein the third direction is consistent with the first direction; the lower sides of the two ends of the mounting plate are respectively provided with a stop block which slides along the length direction of the mounting plate, the stop blocks are provided with a first position and a second position on the sliding stroke, the stop blocks the first inertia wheel from rotating when in the first position and allows the second inertia wheel to rotate, and the stop blocks the second inertia wheel from rotating when in the second position and allows the first inertia wheel to rotate; the transmission assembly has two, correspond the downside of installing in the mounting panel both ends respectively, when two driving levers rotated along the first direction along with the weather vane, move to the primary importance through a dog of transmission assembly drive respectively, the dog hinders first inertia wheel and rotates, back driving lever passes through transmission assembly, dog and first inertia wheel drive the mounting panel and rotate along the first direction, the weather vane continues to rotate and slows down under the wind-force effect when crossing the position unanimous with the wind-force direction and continuing to rotate, the driving lever reduces and drives the dog through transmission assembly for the rotational speed of mounting panel and moves to the second place, the second inertia wheel strikes the dog when rotating along the fourth direction, make the mounting panel rotate along the second direction, and drive the weather vane through transmission assembly and driving lever and rotate along the second direction and pendulum back, and then accelerate the weather vane pendulum to get back to the position unanimous with the direction.

2. The intelligent instantaneous wind direction indicating device of plastic product manufacturing plant of claim 1, characterized in that: the first braking part is arranged on the lower side of the first inertia wheel and comprises an upper fixing ring, a lower fixing ring and elastic strips, the upper fixing ring is fixedly mounted on the lower side of the first inertia wheel and is coaxial with the first inertia wheel, the lower fixing ring is positioned below the upper fixing ring and is coaxial with the upper fixing ring, a plurality of elastic strips are uniformly distributed along the circumferential direction of the upper fixing ring, and the upper end of each elastic strip is positioned on the front side of the lower end of the elastic strip along the third direction; the intelligent instantaneous wind direction indicating device of the plastic product production workshop further comprises a supporting plate, the supporting plate is fixedly installed on the fixed column, the upper surface of the supporting plate is provided with a friction surface, the friction surface is positioned below a semicircular part, close to the center of the mounting plate, of the lower fixing ring, the lower surface of the lower fixing ring is provided with a friction plate, the friction plate is suspended above the friction surface of the supporting plate under the pulling force of the elastic strip, when a first braking piece synchronously rotates along with the first inertia wheel to a first inertia wheel impact stop block, the elastic strip continues to rotate in the third direction to enable the elastic strip to extend in the vertical direction, the friction plate on the lower surface of the semicircular part, close to the center of the mounting plate, is contacted with the friction surface, and the tendency that the first inertia wheel continues to rotate under the inertia effect is blocked; the lower side of the second inertia wheel is provided with a second braking part, the second braking part has the same structure as the first braking part, an upper fixing ring of the second braking part is fixedly arranged on the lower side of the second inertia wheel, and the upper end of an elastic strip of the second braking part is positioned on the front side of the lower end along the fourth direction.

3. The intelligent instantaneous wind direction indicating device of plastic product manufacturing plant of claim 1, characterized in that: the transmission assembly comprises a first connecting rod and a second connecting rod, the first connecting rod is positioned between the stop block and the deflector rod, positioned on one side of the stop block close to the rotating center of the mounting plate and arranged on the lower side of the mounting plate in a sliding manner along the direction vertical to the length direction of the mounting plate; the lower extreme of every driving lever can be installed in the one end of a first connecting rod along the length direction of mounting panel with sliding, second connecting rod one end is articulated with the other end of first connecting rod, the other end of second connecting rod is articulated with the dog, so that when the weather vane drives the driving lever and rotates along first direction, promote first connecting rod and remove to being close to the dog direction, and promote the dog through the second connecting rod and remove to the primary importance to keeping away from mounting panel center direction, and when the weather vane drives the driving lever and rotates along the second direction, the first connecting rod of pulling is to keeping away from the dog direction and is removed, and drive the dog through the second connecting rod and remove to the secondary importance to being close to mounting panel center direction.

4. The intelligent instantaneous wind direction indicating device of the plastic product production plant as claimed in claim 2, characterized in that: the power assembly comprises a wind collector, a middle shaft, a first belt wheel, a second belt wheel, a first transmission belt and a first mounting shaft, the middle shaft extends along the vertical direction and is rotatably mounted on the fixed column, a vane mounting shaft which vertically extends downwards is arranged at the center of the vane, and the vane mounting shaft is rotatably mounted on the middle shaft; the wind collector is arranged on the middle shaft, and blades of the wind collector are configured to enable the wind collector to drive the middle shaft to rotate along a third direction under the action of wind power; the first belt wheel is fixedly arranged on the middle shaft, the first mounting shaft extends along the vertical direction, is rotatably arranged on the mounting plate and is coaxial with the first inertia wheel, and the second belt wheel is fixedly arranged on the first mounting shaft and is connected with the first belt wheel through a first transmission belt so as to rotate along the third direction under the transmission of the first belt wheel and drive the first mounting shaft to rotate along the third direction; the lower end of the first installation shaft is provided with a first fixing nail, the thread part of the first fixing nail faces upwards and is installed at the lower end of the first installation shaft, and the first inertia wheel bearing is leaned on the upper end face of the end part of the first fixing nail and is in friction contact with the upper end face of the end part of the first fixing nail so as to rotate along the third direction under the driving of the first installation shaft.

5. The intelligent instantaneous wind direction indicating device of plastic product manufacturing plant of claim 4, characterized in that: the power assembly further comprises a third belt wheel, a fourth belt wheel, a second transmission belt, a second mounting shaft, a third mounting shaft, a first gear and a second gear, and the third belt wheel is fixedly mounted on the middle shaft and is positioned below the first belt wheel; the second mounting shaft extends in the vertical direction and is rotatably mounted on the mounting plate, and the fourth belt pulley is fixedly mounted on the second mounting shaft and is connected with the third belt pulley through a second transmission belt so as to rotate in the third direction under the driving of the third belt pulley and drive the second mounting shaft to rotate in the third direction; the first gear is fixedly arranged on the second mounting shaft and rotates along the third direction along with the second mounting shaft; the third installation shaft extends along the vertical direction, is rotatably installed on the installation plate and is coaxial with the second inertia wheel, and the second gear is fixedly installed on the third installation shaft and is meshed with the first gear so as to drive the third installation shaft to rotate along the fourth direction under the meshing transmission with the first gear; the lower end of the third mounting shaft is provided with a second fixing nail, the thread part of the second fixing nail faces upwards and is mounted at the lower end of the third mounting shaft, and the second inertia wheel is supported against the upper end face of the end part of the second fixing nail and is in friction contact with the upper end face of the end part of the second fixing nail so as to rotate along the fourth direction under the driving of the third mounting shaft.

6. The intelligent instantaneous wind direction indicating device of plastic product manufacturing plant of claim 1, characterized in that: the outer circumferences of the upper end surfaces of the first inertia wheel and the second inertia wheel are provided with a plurality of collision teeth which are uniformly distributed, and the first inertia wheel and the second inertia wheel collide with the stop block through the collision teeth when rotating.

7. The intelligent instantaneous wind direction indicating device of plastic product manufacturing plant of claim 5, characterized in that: the wind vane is characterized by further comprising a ceiling and a protective cover, wherein the ceiling is arranged on the supporting plate through the supporting rod and is positioned above the wind vane so as to prevent the wind vane from collecting dust and prevent people from mistakenly touching the wind vane; the protection casing is installed on the mounting panel, and first band pulley, second band pulley, third band pulley, fourth band pulley, first drive belt, second drive belt, first gear and second gear all are located the enclosure space that protection casing and mounting panel enclose.

Technical Field

The invention relates to the technical field of workshop safety, in particular to an intelligent instantaneous wind direction indicating device for a plastic product production workshop.

Background

The plastic product can generate gas harmful to human body in the production process of heating and die extrusion molding, so that the ventilation of air in a workshop is required to be ensured in a plastic product production workshop besides ensuring that workers wear protective masks, and the concentration of harmful gas in the workshop environment is reduced; often place the wind vane in vent department in the workshop, in order to monitor the gas flow direction of each vent, avoid the vent to lead to the harmful gas concentration in the workshop to exceed standard unusually, the wind vane is if the extending direction is inconsistent at the during operation, can swing to the position unanimous with the wind direction under the wind-force effect, and because the swing in-process has a certain speed, can continue to swing the certain distance and swing back under the wind-force effect after swinging to the position unanimous with the wind direction, until static at the position unanimous with the wind direction, and this swing process of wind vane has prolonged the time that the wind vane confirms the wind direction, be unfavorable for the quick determination wind direction, consequently, need one kind and can make the wind vane to the wind direction indicating device of wind direction fast.

Disclosure of Invention

The invention provides an intelligent instantaneous wind direction indicating device for a plastic product production workshop, which aims to solve the problem that the existing wind direction indicating device cannot quickly point to the wind direction.

The invention relates to an intelligent instantaneous wind direction indicating device for a plastic product production workshop, which adopts the following technical scheme:

an intelligent instantaneous wind direction indicating device for a plastic product production workshop comprises a fixing column, a wind vane, a power assembly, a mounting plate, a transmission assembly, a first inertia wheel and a second inertia wheel, wherein the fixing column extends in the vertical direction, and the lower end of the fixing column is fixed at a point to be measured; the mounting plate is horizontally arranged, and the center of the mounting plate is rotatably mounted on the fixed column; the wind vane extends along the horizontal direction, the center of the wind vane is rotatably arranged on the fixed column, the two ends of the wind vane are respectively provided with a driving lever which vertically extends downwards, the lower ends of the two driving levers are respectively positioned at the two sides of the two ends of the mounting plate, the wind vane is simultaneously close to the mounting plate when rotating along the first direction, and the wind vane is simultaneously far away from the mounting plate when rotating along the second direction opposite to the first direction; the first inertia wheel and the second inertia wheel have the same structure and are respectively and rotatably arranged below two ends of the mounting plate around a vertical axis; the power assembly drives the first inertia wheel to rotate along a third direction under the action of wind power and drives the second inertia wheel to rotate along a fourth direction opposite to the third direction, wherein the third direction is consistent with the first direction; the lower sides of the two ends of the mounting plate are respectively provided with a stop block which slides along the length direction of the mounting plate, the stop blocks are provided with a first position and a second position on the sliding stroke, the stop blocks the first inertia wheel from rotating when in the first position and allows the second inertia wheel to rotate, and the stop blocks the second inertia wheel from rotating when in the second position and allows the first inertia wheel to rotate; the transmission assembly has two, correspond the downside of installing in the mounting panel both ends respectively, when two driving levers rotated along the first direction along with the weather vane, move to the primary importance through a dog of transmission assembly drive respectively, the dog hinders first inertia wheel and rotates, back driving lever passes through transmission assembly, dog and first inertia wheel drive the mounting panel and rotate along the first direction, the weather vane continues to rotate and slows down under the wind-force effect when crossing the position unanimous with the wind-force direction and continuing to rotate, the driving lever reduces and drives the dog through transmission assembly for the rotational speed of mounting panel and moves to the second place, the second inertia wheel strikes the dog when rotating along the fourth direction, make the mounting panel rotate along the second direction, and drive the weather vane through transmission assembly and driving lever and rotate along the second direction and pendulum back, and then accelerate the weather vane pendulum to get back to the position unanimous with the direction.

Optionally, a first braking part is arranged on the lower side of the first inertia wheel, the first braking part comprises an upper fixing ring, a lower fixing ring and a plurality of elastic strips, the upper fixing ring is fixedly mounted on the lower side of the first inertia wheel and is coaxial with the first inertia wheel, the lower fixing ring is located below the upper fixing ring and is coaxial with the upper fixing ring, the elastic strips are uniformly distributed along the circumferential direction of the upper fixing ring, and the upper ends of the elastic strips are located on the front side of the lower end along the third direction; the intelligent instantaneous wind direction indicating device of the plastic product production workshop further comprises a supporting plate, the supporting plate is fixedly installed on the fixed column, the upper surface of the supporting plate is provided with a friction surface, the friction surface is positioned below a semicircular part, close to the center of the mounting plate, of the lower fixing ring, the lower surface of the lower fixing ring is provided with a friction plate, the friction plate is suspended above the friction surface of the supporting plate under the pulling force of the elastic strip, when a first braking piece synchronously rotates along with the first inertia wheel to a first inertia wheel impact stop block, the elastic strip continues to rotate in the third direction to enable the elastic strip to extend in the vertical direction, the friction plate on the lower surface of the semicircular part, close to the center of the mounting plate, is contacted with the friction surface, and the tendency that the first inertia wheel continues to rotate under the inertia effect is blocked; the lower side of the second inertia wheel is provided with a second braking part, the second braking part has the same structure as the first braking part, an upper fixing ring of the second braking part is fixedly arranged on the lower side of the second inertia wheel, and the upper end of an elastic strip of the second braking part is positioned on the front side of the lower end along the fourth direction.

Optionally, the transmission assembly comprises a first connecting rod and a second connecting rod, the first connecting rod is located between the stop block and the shift lever, is located on one side of the stop block close to the rotation center of the mounting plate, and is slidably mounted on the lower side of the mounting plate along a direction perpendicular to the length direction of the mounting plate; the lower extreme of every driving lever can be installed in the one end of a first connecting rod along the length direction of mounting panel with sliding, second connecting rod one end is articulated with the other end of first connecting rod, the other end of second connecting rod is articulated with the dog, so that when the weather vane drives the driving lever and rotates along first direction, promote first connecting rod and remove to being close to the dog direction, and promote the dog through the second connecting rod and remove to the primary importance to keeping away from mounting panel center direction, and when the weather vane drives the driving lever and rotates along the second direction, the first connecting rod of pulling is to keeping away from the dog direction and is removed, and drive the dog through the second connecting rod and remove to the secondary importance to being close to mounting panel center direction.

Optionally, the power assembly comprises a wind collector, a middle shaft, a first belt wheel, a second belt wheel, a first transmission belt and a first mounting shaft, the middle shaft extends in the vertical direction and is rotatably mounted on the fixed column, a vane mounting shaft extending vertically and downwardly is arranged at the center of the vane, and the vane mounting shaft is rotatably mounted on the middle shaft; the wind collector is arranged on the middle shaft, and blades of the wind collector are configured to enable the wind collector to drive the middle shaft to rotate along a third direction under the action of wind power; the first belt wheel is fixedly arranged on the middle shaft, the first mounting shaft extends along the vertical direction, is rotatably arranged on the mounting plate and is coaxial with the first inertia wheel, and the second belt wheel is fixedly arranged on the first mounting shaft and is connected with the first belt wheel through a first transmission belt so as to rotate along the third direction under the transmission of the first belt wheel and drive the first mounting shaft to rotate along the third direction; the lower end of the first installation shaft is provided with a first fixing nail, the thread part of the first fixing nail faces upwards and is installed at the lower end of the first installation shaft, and the first inertia wheel bearing is leaned on the upper end face of the end part of the first fixing nail and is in friction contact with the upper end face of the end part of the first fixing nail so as to rotate along the third direction under the driving of the first installation shaft.

Optionally, the power assembly further includes a third belt pulley, a fourth belt pulley, a second transmission belt, a second mounting shaft, a third mounting shaft, a first gear and a second gear, and the third belt pulley is fixedly mounted on the middle shaft and located below the first belt pulley; the second mounting shaft extends in the vertical direction and is rotatably mounted on the mounting plate, and the fourth belt pulley is fixedly mounted on the second mounting shaft and is connected with the third belt pulley through a second transmission belt so as to rotate in the third direction under the driving of the third belt pulley and drive the second mounting shaft to rotate in the third direction; the first gear is fixedly arranged on the second mounting shaft and rotates along the third direction along with the second mounting shaft; the third installation shaft extends along the vertical direction, is rotatably installed on the installation plate and is coaxial with the second inertia wheel, and the second gear is fixedly installed on the third installation shaft and is meshed with the first gear so as to drive the third installation shaft to rotate along the fourth direction under the meshing transmission with the first gear; the lower end of the third mounting shaft is provided with a second fixing nail, the thread part of the second fixing nail faces upwards and is mounted at the lower end of the third mounting shaft, and the second inertia wheel is supported against the upper end face of the end part of the second fixing nail and is in friction contact with the upper end face of the end part of the second fixing nail so as to rotate along the fourth direction under the driving of the third mounting shaft.

Optionally, the outer circumferences of the upper end surfaces of the first inertia wheel and the second inertia wheel are respectively provided with a plurality of collision teeth which are uniformly distributed, and the first inertia wheel and the second inertia wheel collide with the stop block through the collision teeth when rotating.

Optionally, the intelligent instantaneous wind direction indicating device for the plastic product production workshop further comprises a ceiling and a protective cover, wherein the ceiling is mounted on the supporting plate through the supporting rod and is positioned above the wind vane so as to prevent dust collection of the wind vane and prevent people from mistakenly touching the wind vane; the protection casing is installed on the mounting panel, and first band pulley, second band pulley, third band pulley, fourth band pulley, first drive belt, second drive belt, first gear and second gear all are located the enclosure space that protection casing and mounting panel enclose.

The invention has the beneficial effects that: the intelligent instantaneous wind direction indicating device for the plastic product production workshop utilizes the rotation speed difference between the wind vane and the mounting plate after the wind vane rotates to exceed the position consistent with the wind direction to trigger the stop block to move, so that the first inertia wheel or the second inertia wheel impacts the stop block to enable the mounting plate to rotate in the opposite direction, the wind vane is driven by the transmission assembly and the deflector rod to rotate in the opposite direction to swing back, the swing of the wind vane is accelerated to return to the position consistent with the wind direction, and the wind vane is enabled to quickly point to the wind direction.

Furthermore, when the first inertia wheel or the second inertia wheel impacts the stop block, the upper fixing ring stops rotating along with the stop block, the lower fixing ring continues to rotate along the original direction to enable the elastic strip to extend in the vertical direction and further to be in contact with the friction surface, the tendency that the first inertia wheel or the second inertia wheel continues to rotate under the action of inertia is blocked, and a friction force opposite to the swinging direction of the mounting plate after the mounting plate is impacted is provided, so that the swinging stroke of the mounting plate after the mounting plate is impacted is reduced, and the mounting plate is prevented from excessively swinging back after the mounting plate is impacted.

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 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 present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of an embodiment of an intelligent instantaneous wind direction indicating device of a plastic product production plant of the invention;

FIG. 2 is a schematic diagram of the internal structure of an embodiment of the intelligent instantaneous wind direction indicating device of the plastic product production plant of the invention;

FIG. 3 is a cross-sectional view showing the overall structure of an embodiment of the intelligent instantaneous wind direction indicating device of the plastic product production plant according to the present invention;

FIG. 4 is a schematic structural diagram of a power assembly of an embodiment of the intelligent instantaneous wind direction indicating device of the plastic product production plant of the invention;

FIG. 5 is an enlarged view of the point B in FIG. 3;

FIG. 6 is a sectional view taken along line A-A of FIG. 3;

FIG. 7 is an enlarged view of FIG. 6 at C;

FIG. 8 is a schematic diagram showing the change of the front and rear transmission assemblies of the intelligent instantaneous wind direction indicating device for the plastic product production plant according to the embodiment of the invention when the wind vane rotates along the first direction;

in the figure: 11. a ceiling; 12. a support bar; 13. fixing a column; 14. a support plate; 15. mounting a wind vane shaft; 21. a weather vane; 22. a deflector rod; 23. an air collector; 31. a protective cover; 32. a first mounting shaft; 33. a middle shaft; 34. a third mounting shaft; 35. mounting a plate; 36. a second mounting shaft; 321. a second pulley; 322. a first drive belt; 323. an upper fixing ring; 324. a lower fixing ring; 325. a first staple; 326. a first inertia wheel; 327. a spring bar; 331. a first pulley; 332. a third belt pulley; 333. a second belt; 341. a second gear; 342. a second flywheel; 345. a second staple; 346. a first gear; 351. a stopper; 352. a stop block cover plate; 353. a second link; 354. a slider cover plate; 355. a first link; 361. a fourth pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the intelligent instant wind direction indicating device for the plastic product production workshop, as shown in the figures 1 to 1, comprises a fixed column 13, a wind vane 21, a power assembly, a mounting plate 35, a transmission assembly, a first inertia wheel 326 and a second inertia wheel 342,

the fixed column 13 extends along the vertical direction, and the lower end of the fixed column is fixed at a point to be measured;

the mounting plate 35 is horizontally arranged, and the center of the mounting plate can be rotatably mounted on the fixed column 13;

the wind vane 21 extends along the horizontal direction, the center of the wind vane 21 is rotatably arranged on the fixed column 13, the two ends of the wind vane 21 are respectively provided with a driving lever 22 which vertically extends downwards, the lower ends of the two driving levers 22 are respectively positioned at the two sides of the two ends of the mounting plate 35, the wind vane 21 is close to the mounting plate 35 when rotating along the first direction, and the wind vane 21 is far away from the mounting plate 35 when rotating along the second direction opposite to the first direction;

the first inertia wheel 326 and the second inertia wheel 342 have the same structure and are respectively and rotatably arranged below two ends of the mounting plate 35 around a vertical axis; the power assembly is mounted on the fixed column 13, and drives the first inertia wheel 326 to rotate along a third direction under the action of wind power, and drives the second inertia wheel 342 to rotate along a fourth direction opposite to the third direction, wherein the third direction is consistent with the first direction;

a stop cover plate 352 and a stop 351 are arranged on the lower sides of the two ends of the mounting plate 35, a slide way extending along the length direction of the mounting plate 35 is arranged on the stop cover plate 352, the stop 351 is slidably mounted on the slide way and has a first position and a second position on the sliding stroke, when the stop 351 is at the first position, the stop 351 blocks the first inertia wheel 326 from rotating and allows the second inertia wheel 342 to rotate, and when the stop 351 is at the second position, the stop blocks the second inertia wheel 342 from rotating and allows the first inertia wheel 326 to rotate;

the two transmission assemblies are respectively and correspondingly arranged at the lower sides of the two ends of the mounting plate 35, when the two shift levers 22 rotate along the first direction along with the wind indicator 21, one stop block 351 is driven to move to the first position through one transmission assembly respectively, the stop block 351 blocks the first inertia wheel 326 from rotating, the rear shift lever 22 drives the mounting plate 35 to rotate along the first direction through the transmission assembly, the stop block 351 and the first inertia wheel 326, the wind indicator 21 continuously rotates to exceed the position consistent with the wind direction and continuously rotates, the speed is reduced under the action of wind power, the rotation speed of the shift lever 22 relative to the mounting plate 35 is reduced, the stop block 351 is driven to move to the second position through the transmission assembly, the second inertia wheel 342 impacts the stop block 351 when rotating along the fourth direction, the mounting plate 35 is driven to rotate along the second direction through the transmission assembly and the shift lever 22, and then the wind indicator 21 is accelerated to swing back to the position consistent with the wind direction, thereby causing the vane 21 to point quickly in the wind direction; when the two shift levers 22 rotate along the wind vane 21 along the second direction, one stop block 351 is driven to move to the second position through one transmission assembly respectively, the stop block 351 blocks the second inertia wheel 342 to rotate, the rear shift lever 22 drives the mounting plate 35 to rotate along the second direction through the transmission assembly, the stop block 351 and the second inertia wheel 342, the wind vane 21 decelerates under the action of wind power when continuously rotating to cross over the position consistent with the wind power direction, the rotating speed of the shift lever 22 relative to the mounting plate 35 is reduced, the stop block 351 is driven to move to the first position through the transmission assembly, the first inertia wheel 326 impacts the stop block 351 when rotating along the third direction, the mounting plate 35 is driven to rotate along the first direction, and the wind vane 21 is driven to rotate and swing back along the first direction through the transmission assembly and the shift lever 22, and further quickens the wind vane 21 to swing back to the position consistent with the wind direction, so that the wind vane 21 points to the wind direction quickly.

In this embodiment, a first stopper is disposed below the first inertia wheel 326, the first stopper includes an upper fixing ring 323, a lower fixing ring 324 and an elastic strip 327, the upper fixing ring 323 is fixedly mounted below the first inertia wheel 326 and is coaxial with the first inertia wheel 326, the lower fixing ring 324 is located below the upper fixing ring 323 and is coaxial with the upper fixing ring 323, a plurality of elastic strips 327 are uniformly distributed along the circumferential direction of the upper fixing ring 323, and the upper end of the elastic strip is located at the front side of the lower end along the third direction; the intelligent instantaneous wind direction indicating device for the plastic product production workshop further comprises a supporting plate 14, the supporting plate 14 is fixedly installed on a fixed column 13, the upper surface of the supporting plate 14 is provided with a friction surface, the friction surface is positioned below a semicircular part, close to the center of a mounting plate 35, of a lower fixing ring 324, the lower surface of the lower fixing ring 324 is provided with a friction plate, the friction plate is suspended above the friction surface of the supporting plate 14 under the pulling force of an elastic strip 327, when a first braking piece rotates along with a first inertia wheel 326 to synchronously impact a stop 351 of the first inertia wheel 326, the elastic strip 327 continues to extend in the vertical direction through rotation in the third direction, the friction plate on the lower surface of the semicircular part, close to the center of the mounting plate 35, is contacted with the friction surface, the tendency of the first inertia wheel 326 to continue to rotate under the inertia effect is blocked, a friction force opposite to the swinging direction of the mounting plate 35 after being impacted is provided, and the swinging stroke of the mounting plate 35 after being impacted is reduced, excessive swing back of the mounting plate 35 after being impacted is avoided; a second braking member is arranged on the lower side of the second inertia wheel 342, the structure of the second braking member is the same as that of the first braking member, the upper fixing ring 323 of the second braking member is fixedly installed on the lower side of the second inertia wheel 342, and the upper end of the elastic strip 327 of the second braking member is located on the front side of the lower end along the fourth direction.

In this embodiment, the transmission assembly includes a first link 355 and a second link 353, a slider cover 354 is disposed on the lower side of the mounting plate 35, the slider cover 354 is disposed between the stopper 351 and the shift lever 22 and on a side of the stopper 351 close to the rotation center of the mounting plate 35, a sliding slot extending in a direction perpendicular to the length direction of the mounting plate 35 is disposed on the slider cover 354, and the first link 355 is slidably mounted on the sliding slot; the lower end of each shift lever 22 is slidably mounted at one end of a first link 355 along the length direction of the mounting plate 35, one end of a second link 353 is hinged to the other end of the first link 355, and the other end of the second link 353 is hinged to the stopper 351, so that when the vane 21 drives the shift lever 22 to rotate along the first direction, the first link 355 is pushed to move towards the direction close to the stopper 351, the stopper 351 is pushed to move towards the direction far from the center of the mounting plate 35 to the first position through the second link 353, and when the vane 21 drives the shift lever 22 to rotate along the second direction, the first link 355 is pulled to move towards the direction far from the stopper 351, and the stopper 351 is driven to move towards the direction close to the center of the mounting plate 35 to the second position through the second link 353.

In this embodiment, the power assembly includes a wind collector 23, a central shaft 33, a first pulley 331, a second pulley 321, a first transmission belt 322, and a first installation shaft 32, the central shaft 33 extends in a vertical direction and is rotatably installed on the fixed column 13, the wind collector 23 is installed on the central shaft 33, and blades of the wind collector 23 are configured to enable the wind collector 23 to drive the central shaft 33 to rotate in a third direction under the action of wind force; the first belt wheel 331 is fixedly mounted on the middle shaft 33, the first mounting shaft 32 extends in the vertical direction and is rotatably mounted on the mounting plate 35 and is coaxial with the first inertia wheel 326, and the second belt wheel 321 is fixedly mounted on the first mounting shaft 32 and is connected with the first belt wheel 331 through a first transmission belt 322 so as to rotate in the third direction under the transmission of the first belt wheel 331 and drive the first mounting shaft 32 to rotate in the third direction; the lower end of the first mounting shaft 32 is provided with a first fixing nail 325, the thread portion of the first fixing nail 325 faces upward and is mounted at the lower end of the first mounting shaft 32, and the first inertia wheel 326 leans against the upper end surface of the end portion of the first fixing nail 325 and is in friction contact with the upper end surface of the end portion of the first fixing nail 325 so as to rotate along the third direction under the driving of the first mounting shaft 32.

In this embodiment, the power assembly further includes a third pulley 332, a fourth pulley 361, a second transmission belt 333, a second mounting shaft 36, a third mounting shaft 34, a first gear 346 and a second gear 341, the third pulley 332 is fixedly mounted on the middle shaft 33 and is located below the first pulley 331; the second mounting shaft 36 extends in the vertical direction and is rotatably mounted on the mounting plate 35, the fourth pulley 361 is fixedly mounted on the second mounting shaft 36 and is connected to the third pulley 332 through the second transmission belt 333, so as to rotate in the third direction under the driving of the third pulley 332 and drive the second mounting shaft 36 to rotate in the third direction; the first gear 346 is fixedly mounted to the second mounting shaft 36 for rotation with the second mounting shaft 36 in a third direction; the third mounting shaft 34 extends in the vertical direction, is rotatably mounted on the mounting plate 35, and is coaxial with the second inertia wheel 342, the second gear 341 is fixedly mounted on the third mounting shaft 34, and is meshed with the first gear 346, so as to drive the third mounting shaft 34 to rotate in the fourth direction under the meshing transmission with the first gear 346; the second fixing pin 345 is disposed at the lower end of the third mounting shaft 34, the thread portion of the second fixing pin 345 faces upward and is mounted at the lower end of the third mounting shaft 34, and the second inertia wheel 342 bears against the upper end surface of the end portion of the second fixing pin 345 and is in frictional contact with the upper end surface of the end portion of the second fixing pin 345 so as to rotate along the fourth direction under the driving of the third mounting shaft 34.

In the present embodiment, the outer circumferences of the upper end surfaces of the first inertia wheel 326 and the second inertia wheel 342 are both provided with a plurality of striking teeth which are uniformly distributed, and the first inertia wheel 326 and the second inertia wheel 342 strike the stopper 351 through the striking teeth when rotating.

In the embodiment, the intelligent instantaneous wind direction indicating device for the plastic product production workshop further comprises a ceiling 11 and a protective cover 31, wherein the ceiling 11 is mounted on the supporting plate 14 through the supporting rod 12 and is positioned above the wind vane 21 so as to prevent the wind vane 21 from collecting dust and avoid the accidental touch of personnel; the center of the wind vane 21 is provided with a vertically extending wind vane mounting shaft 15, the upper end of the wind vane mounting shaft 15 is fixedly mounted on the ceiling 11, the lower end is rotatably sleeved on the middle shaft 33, and the center of the wind vane 21 is rotatably mounted on the wind vane mounting shaft 15; the protective cover 31 is mounted on the mounting plate 35, and the first pulley 331, the second pulley 321, the third pulley 332, the fourth pulley 361, the first transmission belt 322, the second transmission belt 333, the first gear 346 and the second gear 341 are all located in the enclosed space enclosed by the protective cover 31 and the mounting plate 35.

When the intelligent instantaneous wind direction indicating device for the plastic product production workshop is used, the fixed column 13 is fixedly arranged at a point to be measured, the first inertia wheel 326 is driven by the power assembly to rotate along the third direction, and the second inertia wheel 342 is driven by the power assembly to rotate along the fourth direction; if the vane 21 rotates in the first direction under the action of wind power, the two shift levers 22 approach the mounting plate 35 simultaneously when rotating along with the vane 21, and push the first connecting rod 355 to move in the direction approaching the stopper 351, and further push the stopper 351 to move in the direction away from the center of the mounting plate 35 to the first position through the second connecting rod 353, the stopper 351 blocks the first inertia wheel 326 from rotating and allows the second inertia wheel 342 to rotate, the rear shift lever 22 drives the mounting plate 35 to rotate in the first direction through the transmission assembly, the stopper 351 and the first inertia wheel 326, the vane 21 decelerates under the action of wind power when continuously rotating to a position beyond the position consistent with the wind power direction, the rotational speed of the shift lever 22 relative to the mounting plate 35 is reduced and drives the stopper 351 to move to the second position through the transmission assembly, the second inertia wheel impacts the stopper 351 when rotating in the fourth direction, so as to drive the mounting plate 35 to rotate in the second direction, and drive the vane 21 to swing back in the second direction through the transmission assembly and the shift lever 22, further accelerating the wind vane 21 to swing back to the position consistent with the wind direction, so that the wind vane 21 points to the wind direction quickly; when the upper fixing ring 323 of the second brake member impacts the stop 351 along with the second inertia wheel 342, the lower fixing ring 324 of the second brake member continues to rotate in the fourth direction, so that the elastic strip 327 extends in the vertical direction, and further, the friction plate on the lower surface of the semicircular part close to the center of the mounting plate 35 is in contact with the friction surface, so that the tendency that the second inertia wheel 342 continues to rotate under the action of inertia is blocked, and a friction force opposite to the swinging direction of the mounting plate 35 after being impacted is provided, so that the swinging stroke of the mounting plate 35 after being impacted is reduced, and the mounting plate 35 is prevented from excessively swinging back after being impacted; if the vane 21 rotates in the second direction under the action of wind power, the two shift levers 22 simultaneously move away from the mounting plate 35 when rotating along with the vane 21 and drive the first connecting rod 355 to move in the direction away from the stopper 351 and further push the stopper 351 to move to the second position in the direction close to the center of the mounting plate 35 through the second connecting rod 353, the stopper 351 blocks the second inertia wheel 342 from rotating and allows the first inertia wheel 326 to rotate, the rear shift lever 22 drives the mounting plate 35 to rotate in the second direction through the transmission assembly, the stopper 351 and the second inertia wheel 342, the vane 21 decelerates under the action of wind power when continuously rotating to a position beyond the position consistent with the wind power direction, the rotational speed of the shift lever 22 relative to the mounting plate 35 is reduced and drives the stopper 351 to move to the first position through the transmission assembly, the first inertia wheel 326 impacts the stopper 351 when rotating in the third direction, the mounting plate 35 is driven to rotate in the first direction, and the vane 21 is driven to swing back in the first direction through the transmission assembly and the shift lever 22, further accelerating the wind vane 21 to swing back to the position consistent with the wind direction, so that the wind vane 21 points to the wind direction quickly; when the upper fixing ring 323 of the first braking member impacts the stop 351 along with the first inertia wheel 326, the lower fixing ring 324 of the first braking member continues to rotate in the third direction to extend the elastic strip 327 in the vertical direction, so that the friction plate on the lower surface of the semicircular part close to the center of the mounting plate 35 is contacted with the friction surface, the tendency that the first inertia wheel 326 continues to rotate under the inertia effect is blocked, and a friction force opposite to the swinging direction of the mounting plate 35 after being impacted is provided, so that the swinging stroke of the mounting plate 35 after being impacted is reduced, and the mounting plate 35 is prevented from being excessively swung back after being impacted.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.