Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic conversion device for a lane-changeable signboard, which solves the problems that the workload of traffic police is large, a lane-changeable signboard cannot be changed at any time and the like, thereby reducing the workload of the traffic police.
The invention is realized by the following technical scheme.
The invention relates to an automatic conversion device for a lane-changeable signboard, which comprises a road, wherein an indicating rod with the upper end positioned in an external space is arranged in the road, an indicating mechanism for indicating a lane is arranged in the indicating rod, a deceleration strip is also fixed on the upper end surface of the road, a contact sensor for sensing the passing of vehicles is arranged in the road, the contact sensor comprises a lifting cavity, three fixed blocks are fixed on the lower end wall in the lifting cavity, a lifting cavity with an upward opening is arranged in the fixed blocks, a transmission cavity with the lower end wall communicated with the lifting cavity is arranged in the deceleration strip, a lifting block with the upper end positioned in the transmission cavity is connected in the lifting cavity in a sliding manner, a through cavity penetrating through the lifting block is arranged in the lifting block, a friction rod with the upper end positioned in the transmission cavity is connected in the through cavity in a sliding manner, and two moving grooves communicated with, the lifting mechanism is characterized in that a friction block and two connecting springs are arranged in the moving groove, one end of each friction block is in contact with the end wall of the lifting cavity, the two connecting springs are connected with the friction block and the end wall of the moving groove, the moving groove is close to the end wall of the through cavity, a first electromagnet capable of absorbing with the friction block is further fixed on the end wall, the left end wall and the right end wall of the through cavity are respectively provided with a lifting groove communicated with the through cavity, one end of each lifting groove is arranged in the through cavity, the lifting block is in contact with the friction rod, a tension spring supporting the lifting block is arranged in the lifting groove, the upper end of each lifting block is fixed with a hemp rope, the upper end of each lifting groove penetrates through the upper end wall of the lifting groove and the end wall of the moving groove, the upper end of each lifting groove is fixedly connected with the friction block, a driven plate is fixed at the upper end of the friction rod, a fixed, the left and right sides two fixed station up end all is fixed with contact pick-up, and is middle the fixed station upside be equipped with the spring board of depression bar lower extreme contact down, the fixed station with through two expanding spring fixed connection between the spring board, lifting piece lower extreme is fixed with two supports the supporting spring of lifting piece, the friction lever lower extreme is fixed with the support reset spring of friction lever, it is steerable still to be equipped with in the lift intracavity the power unit that indicating mechanism motion rotation lane was instructed, still be equipped with the restriction in the lift chamber right-hand member wall the restriction mechanism of power unit motion, through elevating system with the cooperation of power unit can accomplish the change of lane information according to the traffic flow.
Furthermore, the indicating mechanism comprises an indicating plate fixed at the upper end of the indicating rod, a rotating cavity is arranged in the indicating plate, the left end wall of the indicating plate extends into the indicating rod, a rotating shaft and a driven shaft are rotatably connected between the front end wall and the rear end wall of the rotating cavity, the front end of the rotating shaft is positioned in an external space, a first belt pulley is fixed on the rotating shaft, a second belt pulley which is driven by the first belt pulley through a first belt is fixed on the driven shaft, a third belt pulley is also fixed on the driven shaft, a rotating mark is fixed at the front end of the rotating shaft, a vertical mark is fixed on the front end surface of the indicating plate, a rotating cavity is also arranged in the lower end of the indicating rod, a rotating shaft is rotatably connected between the front end wall and the rear end wall of the rotating cavity, a fourth belt pulley which can realize transmission with the third belt pulley through a second belt is fixed, the rotating shaft is fixedly connected with the rear end wall of the rotating cavity through a torsion spring.
Further, power unit is including can the iron lifter that goes up and down in the lift intracavity, the terminal surface is fixed with four supports under the iron lifter the lift spring of iron lifter, iron lifter lower extreme still is fixed with the lower extreme and runs through lift chamber left end wall with rotate chamber right-hand member wall and with rope wheel fixed connection's rope, lift chamber rear end wall is fixed with two and is located the second electro-magnet of both sides about the iron lifter, the second electro-magnet receives contact sensor control, still be equipped with the spacing groove that the opening is right in the iron lifter.
Furthermore, the limiting mechanism comprises an ejection cavity with a left opening, an ejection plate and an ejection spring capable of enabling the ejection plate to reset are connected in the ejection cavity in a sliding mode, a limiting block with the left end capable of being located in the limiting groove is fixed on the left end face of the ejection plate, and the right end of the ejection plate penetrates through the right end wall of the ejection cavity, the rear end wall of the lifting cavity and the upper end face and the lower end face of the middle fixing table and is fixedly connected with the spring plate.
Furthermore, the elastic force of the extension spring is far greater than that of the ejection spring, the magnetic force between the second electromagnet and the iron lifting rod is far greater than that of the lifting spring, the friction force between the friction rod and the lifting block is far greater than the sum of the elastic force of the extension spring and the elastic force of the connecting spring, a vehicle runs on a lane corresponding to the upper sides of the three lower pressing plates, the upper side of the middle lower pressing plate corresponds to a lane which can be changed, the upper side of the lower pressing plate on the right side corresponds to a straight line, the upper side of the lower pressing plate on the left side corresponds to a turning line, the friction force between the friction block and the end wall of the lifting cavity is slightly smaller than the elastic force of the supporting spring, and the sum of the friction force between the ejection plate and the end wall of the ejection cavity and the elastic force of the ejection spring is slightly smaller than.
The invention has the beneficial effects that: the device simple structure, the simple operation according to the change of traffic flow between the lane, can accomplish the change to variable lane automatically to satisfy the current demand of vehicle, avoid crossing vehicle to block up, reduce traffic police's work load.
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.
With reference to fig. 1-4, the automatic conversion device for lane-changeable signboard comprises a road 10, an indication rod 45 with an upper end located in an external space is arranged in the road 10, an indication mechanism 64 for lane indication is arranged in the indication rod 45, a deceleration strip 35 is further fixed on the upper end surface of the road 10, a contact sensor 60 for sensing vehicle passing is arranged in the road 10, the contact sensor 60 comprises a lifting cavity 19, three fixing blocks 21 are fixed on the lower end wall in the lifting cavity 19, a lifting cavity 65 with an upward opening is arranged in each fixing block 21, a transmission cavity 30 with a lower end wall communicated with the lifting cavity 19 is arranged in the deceleration strip 35, a lifting block 66 with an upper end located in the transmission cavity 30 is slidably connected in the lifting cavity 65, a through cavity 51 through the lifting block 66 is arranged in the lifting block 66, and a friction rod 34 with an upper end located in the transmission cavity 30 is slidably connected in the through cavity 51, the lifting device is characterized in that two moving grooves 52 communicated with the lifting cavity 65 are arranged in the lifting block 66, a friction block 53 with one end in contact with the end wall of the lifting cavity 65 and two connecting springs 54 connected with the friction block 53 and the end wall of the moving groove 52 are arranged in the moving groove 52, the end wall of the moving groove 52 close to the through cavity 51 is further fixed with a first electromagnet 55 sucked with the friction block 53, lifting grooves 57 communicated with the through cavity 51 are arranged in the left and right end walls of the through cavity 51, a lifting block 58 with one end in contact with the friction rod 34 and an extension spring 56 supporting the lifting block 58 are arranged in the lifting groove 57, the upper end of the lifting block 58 is fixed with a hemp rope 59 with the upper end wall of the lifting groove 57, the end wall of the moving groove 52 and fixedly connected with the friction block 53, a driven plate 32 is fixed at the upper end of the lifting block 66, and a lower pressing plate 33 is fixed in the upper end of the friction rod 34, the left end face of the fixed block 21 is further fixed with a fixed table 50, the lower end of the driven plate 32 is fixed with a lower pressing rod 31 with the lower end located in the lifting cavity 19, the upper end faces of the left fixed table 50 and the right fixed table 50 are both fixed with a contact sensor 60, the upper side of the middle fixed table 50 is provided with a spring plate 48 in contact with the lower end of the lower pressing rod 31, the fixed table 50 is fixedly connected with the spring plate 48 through two expansion springs 49, the lower end of the lifting block 66 is fixed with two supporting springs 18 for supporting the lifting block 66, the lower end of the friction rod 34 is fixed with a return spring 23 for supporting the friction rod 34, the lifting cavity 19 is further provided with a power mechanism 63 for controlling the indication mechanism 64 to move and rotate lane indication, the right end wall of the lifting cavity 19 is further provided with a limiting mechanism 62 for limiting the motion of the power mechanism 63, and the lifting mechanism 61 is matched with the power, the change of the lane information can be accomplished according to the traffic flow.
Beneficially, the indicating mechanism 64 includes an indicating plate 38 fixed on the upper end of the indicating rod 45, a rotating cavity 37 extending from the left end wall to the inside of the indicating rod 45 is arranged in the indicating plate 38, a rotating shaft 40 and a driven shaft 42 are rotatably connected between the front and rear end walls of the rotating cavity 37, the front end of the rotating shaft 40 is located in the external space, a first belt pulley 39 is fixed on the rotating shaft 40, a second belt pulley 43 for driving with the first belt pulley 39 through a first belt 36 is fixed on the driven shaft 42, a third belt pulley 41 is further fixed on the driven shaft 42, a rotating mark 47 is fixed on the front end of the rotating shaft 40, a vertical mark 46 is fixed on the front end surface of the indicating plate 38, a rotating cavity 11 is further arranged in the lower end of the indicating rod 45, a rotating shaft 15 is rotatably connected between the front and rear end walls of the rotating cavity 11, a fourth belt pulley 13 capable of realizing driving with the third belt pulley 41 through a second belt 44 is fixed on the, the rotating shaft 15 is also fixedly provided with a rope winding wheel 12, and the rotating shaft 15 is fixedly connected with the rear end wall of the rotating cavity 11 through a torsion spring 14.
Beneficially, power unit 63 includes can go up and down in the lift chamber 19 iron lifter 17, the terminal surface is fixed with four supports under iron lifter 17 the lifting spring 20 of iron lifter 17, iron lifter 17 lower extreme still is fixed with the lower extreme and runs through lift chamber 19 left end wall with rotate chamber 11 right side end wall and with rope 16 of serving sheave 12 fixed connection, lift chamber 19 rear end wall is fixed with two and is located the second electro-magnet 22 of both sides about iron lifter 17, second electro-magnet 22 receives contact sensor 60 control, still be equipped with opening spacing groove 24 to the right in the iron lifter 17.
Advantageously, the limiting mechanism 62 comprises an ejection cavity 25 with a left opening, an ejection plate 29 and an ejection spring 28 capable of resetting the ejection plate 29 are slidably connected in the ejection cavity 25, a limiting block 27 with a left end capable of being positioned in the limiting groove 24 is fixed on the left end surface of the ejection plate 29, and a right end of the ejection plate 29 penetrates through the right end wall of the ejection cavity 25, the rear end wall of the lifting cavity 19 and the upper and lower end surfaces of the middle fixed table 50 and is fixedly connected with the spring plate 48.
Advantageously, the elastic force of the extension spring 49 is much greater than that of the eject spring 28, the magnetic force between the second electromagnet 22 and the ferrous lifting rod 17 is much greater than that of the lifting spring 20, the frictional force between the friction lever 34 and the lift block 58 is much greater than the sum of the elastic force of the extension spring 56 and the elastic force of the connection spring 54, the vehicle runs on the corresponding lanes on the upper sides of the three lower pressing plates 33, the upper side of the middle lower pressing plate 33 corresponds to the lane changing, the upper side of the right lower pressing plate 33 corresponds to the straight running, the upper side of the left lower pressing plate 33 corresponds to the turning, the friction force between the friction block 53 and the end wall of the lifting cavity 65 is slightly smaller than the elastic force of the supporting spring 18, the sum of the friction force between the ejector plate 29 and the end wall of the ejector cavity 25 and the elastic force of the ejector spring 28 is slightly smaller than the elastic force of the expansion spring 49.
In the initial state, the extension spring 49 is in a compressed state, the other springs are in a normal state, the upper second electromagnet 22 is attracted to the upper iron lifting rod 17, the lower second electromagnet 22 does not work, and the variable lane corresponding to the middle lower pressing plate 33 is in a straight line.
When the vehicle runs on three lanes, when the vehicle can run both in a turning lane and in a straight lane, the vehicle always runs on the turning lane, and the two straight lanes on the right side do not have lanes, the left driven plate 32 and the lower pressing plate 33 descend under the action of the gravity of the vehicle, so that the lifting block 66 and the friction rod 34 descend, so that the supporting spring 18 and the return spring 23 are compressed, when the front wheels leave the upper side of the speed reducing belt 35, the return spring 23 returns to drive the friction rod 34 and the lower pressing plate 33 to ascend and return, and due to the friction between the friction block 53 and the end wall of the lifting cavity 65, the supporting spring 18 returns to drive the lifting block 66 to ascend slowly, when the rear wheels pass the upper side of the speed reducing belt 35 again, the lower pressing plate 33 descends, so that the friction rod 34 descends again and the return spring 23 is compressed again, at the moment, the descending of the friction rod 34 drives the lifting block 58 to descend, so that the connecting spring 54 is compressed and the friction block 53 returns to the moving groove 52, so that the friction block 53 is separated from the end wall of the lifting cavity 65, when the rear wheel of the vehicle leaves the upper side of the speed bump 35, the support spring 18 and the return spring 23 are reset, so that the friction rod 34 and the lifting block 66 are reset, so that the lower press plate 33 and the driven plate 32 are reset, the lower press rod 31 lifts and falls once along with the lifting and falling of the driven plate 32, and the lower end of the lower press rod 31 contacts with the contact sensor 60 on the left side once, so that the passing of the vehicle is recorded, after the recording is completed, the first electromagnet 55 works and repels the friction block 53, so that the connecting spring 54 and the friction block 53 are reset, the friction block 53 contacts with the end wall of the lifting cavity 65 again, and the hemp rope 59 is stretched, so that the lifting block 58;
while the two friction bars 34 and the lifting block 66 on the right side are not lifted, thereby indicating that the flow rate of the turning passage is large, at this time, the contact sensor 60 on the left side controls the second electromagnet 22 on the lower side to be operated and the second electromagnet 22 on the upper side to be not operated, so that the iron lifting bar 17 is lowered and the lifting spring 20 is compressed, thereby pulling the rope 16, thereby rotating the rope winding wheel 12, thereby rotating the fourth pulley 13 and the rotating shaft 15 and the torsion spring 14, thereby rotating the third pulley 41 through the transmission of the second belt 44, thereby rotating the fourth pulley 13 and the driven shaft 42, and rotating the first pulley 39 and the rotating shaft 40 through the transmission of the first belt 36, thereby rotating the rotation mark 47, thereby rotating the lane indication mark, thereby changing the lane from straight running to turning;
when the left two lanes are not passed by the vehicle during turning and the right straight lane is not simply passed, so that the right friction bar 34 and the lifting block 66 are lifted continuously to record the traffic flow, the right lower pressing bar 31 is contacted with the contact sensor 60, so that the right contact sensor 60 controls the operation of the upper second electromagnet 22 to attract the ferrous lifting bar 17 and the operation of the lower second electromagnet 22 to stop, so that the ferrous lifting bar 17 is lifted and the lifting spring 20 is reset, so that the rope 16 is loosened, so that the torsion spring 14 is reset, so that the rotating shaft 15 is reversed, so that the rope winding wheel 12 and the fourth belt pulley 13 are reversed, the driven shaft 42, the third belt pulley 41 and the second belt pulley 43 are reversed by the transmission of the second belt 44, the rotating shaft 40 and the first belt pulley 39 are reversed by the transmission of the first belt 36, so that the rotating mark 47 is reversed, thereby changing the variable lane from turning to straight;
when vehicles pass through the three channels all the time, the middle friction rod 34 and the lifting block 66 are continuously lowered, so that the middle pressing rod 31 is continuously lifted, the spring plate 48 is continuously lifted and compresses the loosening and stretching spring 49, the chain 26 is continuously loosened and tensioned, the ejector plate 29 is continuously moved left and right under the action of the ejector spring 28, the limiting block 27 is continuously moved in and out of the limiting groove 24, the lifting of the iron lifting rod 17 is limited at the moment, the indicating mechanism 64 cannot be moved, and lane indication of a variable lane is changed.
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.