CN110648544A

CN110648544A - Retractable slope braking mobile traffic signal lamp with universal wheels

Info

Publication number: CN110648544A
Application number: CN201910914524.4A
Authority: CN
Inventors: 张玲玲; 高思文; 陈诚
Original assignee: Luan Likang Logo Co Ltd
Current assignee: Luan Likang Logo Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-01-03

Abstract

The invention provides a universal wheel retractable slope braking mobile traffic signal lamp, which comprises an installation box, a signal lamp group, a rectangular supporting plate and universal wheels, wherein the signal lamp group is fixedly arranged above the installation box, the supporting plate is arranged into a folded state and an unfolded state which can be mutually switched, the initial state is the folded state, the supporting plate in the folded state is gathered on the upper end surface of the installation box, the supporting plate in the unfolded state extends from the upper end surface of the installation box to the lower end surface of the installation box, the universal wheels are arranged into an extended state and a retracted state which can be mutually switched, the initial state is the extended state, the universal wheels in the extended state extend to the lower part of the installation box, the universal wheels in the retracted state retract into the installation box, the universal wheels in the extended state and the supporting plate in the unfolded state can independently support the installation box, the arrangement on a horizontal road surface is suitable for placing in the initial state, when the supporting plate is switched, The universal wheels are switched to a retraction state, and the device is suitable for placing on a slope road surface.

Description

Retractable slope braking mobile traffic signal lamp with universal wheels

Technical Field

The invention relates to a traffic signal lamp, in particular to a retractable universal wheel type slope braking mobile traffic signal lamp.

Background

The traffic signal lamp is an important tool for enhancing road traffic management, reducing traffic accidents and improving road use efficiency so as to improve traffic conditions, the traffic signal lamp can be divided into two types, one type is a fixed traffic signal lamp, the other type is a movable traffic signal lamp, the movable traffic signal lamp can be regarded as a temporary substitute for the fixed traffic signal lamp, specifically, when the fixed traffic signal lamp breaks down or has power failure, a staff of a traffic control department can consign the movable traffic signal lamp to the central position of a crossroad, and the movable traffic signal lamp temporarily replaces the fixed traffic signal lamp to conduct traffic control guidance, at present, the movable traffic signal lamp mainly comprises an installation box, a signal lamp group erected on the installation box and universal wheels positioned below the installation box, and the movable traffic signal lamp has the defects that when the movable traffic signal lamp is used on a slope road surface, in order to overcome the defects, the retractable type slope braking mobile traffic signal lamp with the universal wheels has the advantages of ingenious structure, simple principle, capability of being stably placed on both a horizontal road surface and a slope road surface and convenience in use.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the retractable universal wheel type slope braking mobile traffic signal lamp which is ingenious in structure, simple in principle, capable of being stably placed on both a horizontal road surface and a slope road surface and convenient and fast to use.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

A telescopic traffic signal lamp for slope braking comprises an installation box, a signal lamp group fixedly arranged above the installation box, a rectangular supporting plate and universal wheels, wherein the supporting plate is set into a folded state and an unfolded state which can be mutually switched, and the initial state is the folded state;

the mounting box comprises a box body with an upward opening and a box cover matched with the opening, the box body and the box cover form open-close type connection fit, a handle is fixedly mounted on the upper end face of the box cover, the handle is provided with two handles which are respectively positioned on one side of the box cover, a support rod which is axially and vertically arranged is fixedly arranged in the middle of the upper end face of the box cover, openings communicated with the interior of the box body are formed in four corners of the lower end face of the box body, and a rectangular mounting block with a bottom surface fixedly connected is further arranged in the box body;

the signal lamp group is fixedly sleeved on the supporting rod and is arranged close to the top end of the supporting rod, the signal lamp group comprises a red-green-yellow lamp, a control system and a first storage battery, the top end of the supporting rod is fixedly provided with a first solar cell panel for charging the first storage battery, the universal wheels are provided with four first solar cell panels which correspond to the openings one by one and are controlled to switch between an extending state and a retracting state by controlling the vertical movement of the universal wheels, the supporting plates are provided with two solar cell panels which are symmetrically arranged along the axial direction of the supporting plates, the supporting plates are arranged close to one end of the box cover in a curled edge manner along the length direction of the supporting plates, a rotating shaft penetrates through the curled edge portion of the supporting plates, the rotating shaft is fixedly connected with the curled edge portion of the supporting plates, is coaxially sleeved with a rotating sleeve along the axial end position of the rotating shaft and is fixedly connected with, a semicircular arc-shaped notch matched with the diameter of the supporting rod is formed in one end face, close to each other, of the floor, the arc-shaped notch is clamped on the supporting rod in a furled state, and the two supporting plates form a V-shaped structure with a vertical downward opening in an initial state;

the mounting box is also internally provided with a telescopic mechanism for controlling the universal wheels to be mutually switched between an extending state and a retracting state, a folding and unfolding mechanism for controlling the supporting plates to be mutually switched between a folding state and an unfolding state and a power driving device for providing power for the telescopic mechanism and the folding and unfolding mechanism, and the power driving device can alternately provide driving power for the telescopic mechanism and the folding and unfolding mechanism.

As a further optimization or improvement of the present solution.

The telescopic mechanism comprises telescopic blocks which are movably arranged and are arranged corresponding to the openings up and down, the universal wheels are rotatably arranged on the lower end faces of the telescopic blocks and are vertically arranged along the axial direction of the rotating shafts, the telescopic mechanism also comprises a first long-strip-shaped horizontal fixing plate fixedly arranged on the inner wall of the box body which is oppositely arranged, the first fixing plate is provided with two long-strip-shaped horizontal fixing plates which are respectively positioned on one sides of the mounting blocks, the lower end face of each fixing plate is fixedly provided with a second long-strip-shaped horizontal fixing plate, the two fixing plates are provided with two bosses, one end of the first fixing plate extends from the middle position of the first fixing plate, the other end of the second fixing plate extends from the middle position of the first fixing plate, the second fixing plate corresponds to the openings up and down one, one end of the lower end faces of the second fixing plates which is far away from each, a slide block is sleeved on the guide rod in a sliding manner, a convex block is fixedly arranged on the side surface of the two fixed plates close to one end of each fixed plate, a first connecting rod for connecting the convex block and the telescopic block is arranged between the convex block and the side surface of the telescopic block, one end of the first connecting rod is hinged with the convex block, the axial direction of the hinged shaft is horizontal and vertical to the axial direction of the guide rod, the other end of the first connecting rod is hinged with the side surface of the telescopic block, the axial direction of the hinged shaft is horizontal and vertical to the axial direction of the guide rod, a second connecting rod for connecting the slide block and the telescopic block is arranged between the slide block and the side surface of the telescopic block, one end of the second connecting rod is hinged with the slide block, the axial direction of the hinged shaft is horizontal and vertical to the axial direction of the guide rod, the other end of the second connecting rod is hinged with, an included angle formed by the second connecting rod and the guide rod and formed by the second connecting rod and the side, close to the second protrusion, is an obtuse angle, and the first connecting rod and the second connecting rod form a V-shaped structure.

As a further optimization or improvement of the present solution.

The telescopic mechanism further comprises a first support fixedly arranged on the upper end face of the installation block, the first support is provided with two first rotating shafts which are axially parallel to the axial direction of the guide rod, a first belt transmission assembly for connecting the first rotating shafts and the first driven belt wheel which is rotatably fixed on the first rotating shafts in a sleeved mode and a first belt which is arranged between the first driving belt wheel and the first driven belt wheel, the first driven belt wheel and the guide rod are provided with positive external threads, the sliding block which is sleeved on the guide rod is in threaded connection with the first rotating shafts, the first support is fixedly arranged on the upper end face of the installation block, the first support is provided with two first rotating shafts which are axially parallel to the axial direction of the guide rod, the first rotating shafts and the guide rod are provided with the external threads, the first belt transmission assembly comprises a first driving belt wheel which is coaxially fixed on the first rotating shafts, a, The guide rods with reverse external threads are coaxially and fixedly connected.

As a further optimization or improvement of the present solution.

And a synchronizing rod for fixedly connecting the telescopic block below the smooth guide rod and the telescopic block below the guide rod with the external thread is arranged between the telescopic block below the smooth guide rod and the telescopic block.

As a further optimization or improvement of the present solution.

The folding and unfolding mechanism comprises a first rotary driving component for driving the left rotary shaft and a second rotary driving component for driving the right rotary shaft.

As a further optimization or improvement of the present solution.

The first rotary driving component comprises two supports II fixedly hoisted on the lower end face of the box cover, two rotating shafts II axially parallel to the axial direction of the rotating shaft are rotatably arranged between the two supports II, a second belt transmission component for connecting the two rotating shafts II and the left rotating shaft is arranged between the two rotating shafts II, and the second belt transmission component comprises a second driving belt pulley coaxially and fixedly sleeved on the second rotating shaft, a second driven belt pulley coaxially and fixedly sleeved on the left rotating shaft and a second belt arranged between the second driving belt pulley and the second driven belt pulley and used for connecting the two belt pulleys;

the rotary driving component II comprises a third support fixedly hoisted on the lower end face of the box cover, a fourth support and a fifth support fixedly installed on the upper end face of the installation block, the third support is positioned right above the fifth support, the third support is positioned between the fourth support and a right rotary shaft, the third support is provided with two third supports, a third rotary shaft axially parallel to the axial direction of the rotary shaft is rotatably arranged between the third supports, the fourth support is provided with two fourth supports, a fourth rotary shaft axially parallel to the axial direction of the rotary shaft is rotatably arranged between the fourth supports, the fifth support is provided with two fifth supports, a fifth rotary shaft axially parallel to the axial direction of the rotary shaft is rotatably arranged between the fifth supports, a third belt transmission component for connecting the fourth rotary shaft is arranged between the third rotary shaft, the fourth rotary shaft, the fifth rotary shaft and the right rotary shaft, and the third belt transmission component comprises a third driving belt wheel coaxially, The belt III is wound among the driving belt wheel III, the driven belt wheel III A, the driven belt wheel III B and the driven belt wheel III C, and is wound below the driving belt wheel III and the driven belt wheel III B;

and a synchronous transmission assembly used for connecting the second rotating shaft and the third rotating shaft is arranged between the second rotating shaft and the third rotating shaft, and comprises a first synchronous belt wheel coaxially and fixedly sleeved on the second rotating shaft, a second synchronous belt wheel coaxially and fixedly sleeved on the third rotating shaft, and a synchronous belt arranged between the first synchronous belt wheel and the second synchronous belt wheel and used for connecting the first synchronous belt wheel and the second synchronous belt in a winding manner.

As a further optimization or improvement of the present solution.

The middle position of the supporting plate close to one end of the rotating shaft is provided with a rectangular notch, the length direction of the rectangular notch is parallel to the length direction of the supporting plate, the width direction of the rectangular notch is parallel to the width direction of the supporting plate, and the driven belt wheel II and the driven belt wheel III are located in the rectangular notch.

As a further optimization or improvement of the present solution.

The power driving device comprises a transmission mechanism, a power source and an automatic triggering mechanism, wherein the driving end of the transmission mechanism is connected with the output end of power, the output end of the transmission mechanism is arranged to be combined with the rotating shaft two phase or combined with the rotating shaft one phase, and the output end of the transmission mechanism is combined with the rotating shaft two phase in an initial state, and the automatic triggering mechanism automatically triggers to enable the output end of the transmission mechanism to be combined with the rotating shaft one phase when the supporting plate is switched to the unfolding state.

As a further optimization or improvement of the present solution.

The transmission mechanism comprises mounting frames fixedly arranged on the upper end surface of the mounting block, two main shafts axially parallel to the axial direction of the rotating shaft are rotatably arranged between the two mounting frames, the main shafts are positioned below the rotating shaft II, a gear combination I is arranged between the main shafts and the rotating shaft II, the gear combination I comprises a first driving gear coaxially rotatably sleeved on the main shafts and a first driven gear coaxially fixedly sleeved on the rotating shaft II, the first driving gear and the first driven gear are helical gears and are mutually meshed, a second gear combination I is arranged between the main shafts and the rotating shaft I, the second gear combination II comprises a second driving gear coaxially rotatably sleeved on the main shafts and a second driven gear coaxially fixedly sleeved on the rotating shaft I, the second driving gear and the second driven gear are straight gears and are mutually meshed, and the first driving gear and the main shafts are arranged into a combined state and a separated state which can be mutually switched to and a, the second driving gear and the main shaft are in a combined state and a separated state which can be mutually switched, the initial state is the separated state, when the first driving gear and the main shaft are switched to the separated state, the second driving gear and the main shaft are switched to the combined state, and the main shaft is used for driving the first driving gear/the second driving gear which is combined with the main shaft to rotate;

the outer circular surface of the main shaft is provided with a first key groove which is arranged in parallel to the axial direction of the main shaft, the first key groove is provided with a plurality of first key grooves which are arranged in an array along the circumferential direction of the main shaft, the inner circular surfaces of the first driving gear and the second driving gear are both provided with a second key groove which is matched with the first key groove, the second key groove is provided with a plurality of second key grooves which are arranged in an array along the inner circular surface of the first driving gear/the second driving gear, a sliding key which is matched with the first key groove is arranged in the first key groove in a sliding manner, the sliding key is positioned between the first driving gear and the second driving gear, when the sliding key is inserted into the second key groove in the first driving gear, the main shaft is combined with the first driving gear, when the sliding key is inserted into the second key groove in the second driving gear, and a pushing spring is sleeved outside the main shaft, one end of the pushing spring is abutted against the second driving gear, the other end of the pushing spring is abutted against the clutch driving plate, and the elastic force of the pushing spring is always directed to the clutch driving plate by the second driving gear.

Compared with the prior art, the movable traffic signal lamp has the advantages that the structure is ingenious, the principle is simple, the universal wheels are used for landing and supporting a horizontal road surface through a supporting mode of combining the universal wheels and the supporting plates, the universal wheels are retracted and supported by landing of the unfolded supporting plates on a slope road surface, the movable traffic signal lamp can be stably placed on both the horizontal road surface and the slope road surface, and meanwhile, the moving convenience brought by the universal wheels is reserved.

Drawings

FIG. 1 is a schematic view of the present invention operating on a horizontal surface.

FIG. 2 is a schematic view of the retracted state of the caster of the present invention.

FIG. 3 is a schematic view of the present invention operating on a sloped road surface.

Fig. 4 is a schematic view of the internal structure of the present invention.

Fig. 5 is a matching view of the signal lamp group and the mounting box.

Fig. 6 is a matching view of the support rod and the signal lamp set.

Fig. 7 is a schematic view of the internal structure of the installation case.

Fig. 8 is a matching view of the universal wheel and the telescopic mechanism.

Fig. 9 is a view showing the combination of the universal wheel and the telescopic mechanism.

Fig. 10 is a view showing the combination of the universal wheel and the telescopic mechanism.

Fig. 11 is a view showing the combination of the universal wheel and the telescopic mechanism.

Fig. 12 is a view showing the combination of the universal wheel and the telescopic mechanism.

Fig. 13 is a view showing the combination of the universal wheel and the telescopic mechanism.

Fig. 14 is a partial structural view of the telescopic mechanism.

Fig. 15 is a matching view of the support plate and the support column in a furled state.

Fig. 16 is a schematic structural view of the support plate.

Fig. 17 is a view showing the support plate and the folding and unfolding mechanism.

Fig. 18 is a view of the support plate in cooperation with the folding and unfolding mechanism.

Fig. 19 is a partial structural schematic view of the folding and unfolding mechanism.

Fig. 20 is a combination view of the power driving device, the telescoping mechanism and the folding and unfolding mechanism.

FIG. 21 is a drawing showing the combination of the transmission mechanism with the power source, the telescoping mechanism, and the collapsing mechanism.

Fig. 22 is a combination diagram of the transmission mechanism, the telescoping mechanism and the folding and unfolding mechanism.

Fig. 23 is a partial structural schematic view of the transmission mechanism.

Fig. 24 is a partial structural schematic view of the transmission mechanism.

Fig. 25 is a partial structural schematic view of the transmission mechanism.

Fig. 26 is a view of the automatic trigger mechanism in cooperation with the transmission mechanism.

Fig. 27 is a view showing the cooperation of the automatic trigger mechanism and the transmission mechanism.

Fig. 28 is a partial structural view of the automatic trigger mechanism.

Fig. 29 is a partial structural view of the automatic trigger mechanism.

Fig. 30 is a partial structural view of the automatic trigger mechanism.

Fig. 31 is a view of the cooperation of the automatic trigger mechanism and the reset member.

FIG. 32 is a view of the reset member in cooperation with the second drive gear and the automatic trigger mechanism.

Fig. 33 is a view of the reset member in cooperation with the automatic trigger mechanism.

Labeled as:

100. installing a box; 101. a box body; 102. a box cover; 103. a handle; 110. a support bar; 120. opening the mouth; 130. mounting blocks;

200. a signal lamp group; 201. a first solar cell panel;

300. a universal wheel; 310. a telescoping mechanism; 311. a first fixing plate; 312. a second fixing plate; 313a, a first projection; 313b and a second protrusion; 314. a guide bar; 315. a slider; 316. a bump; 317. a telescopic block; 318. a first connecting rod; 319. a second connecting rod; 320. a first bracket; 321. a first rotating shaft; 322. a first belt transmission assembly; 330. a synchronization lever;

400. a support plate; 401. rotating the sleeve; 402. a rotating shaft; 403. falling to the floor; 404. an arc-shaped notch; 405. a rectangular notch; 410. a folding and unfolding mechanism; 411. a second bracket; 412. a second rotating shaft; 413. a belt transmission assembly II; 414. a third bracket; 415. a rotating shaft III; 416. a fourth bracket; 417. a rotating shaft IV; 418. a fifth bracket; 419. a fifth rotating shaft; 420. a belt transmission assembly III; 421. a synchronous drive assembly;

500. a power drive device; 510. a transmission mechanism; 511. a mounting frame; 512. a main shaft; 513. a first driving gear; 514. a first driven gear; 515. a second driving gear; 516. a driven gear II; 517. a sliding key; 517. a first key groove; 518. a clutch plectrum; 519. pushing the spring; 520. a power source; 521. a stepping motor; 522. a worm gear drive assembly; 530. an automatic trigger mechanism; 531. fixing the sliding sleeve; 532. a top rod; 532a, two forks; 532b, bevel one; 533. pushing the ring; 534. a baffle plate; 535. a trigger spring; 536. a detection lever; 537a, a guide rod; 537b, a return spring; 538. a guide plate; 539a, a micro motor; 539b, a limit cam; 540. a reset member; 541. a slide bar; 542. resetting the rack; 543. a reset block; 544. a second inclined plane; 550. and a second storage battery.

Detailed Description

A retractable universal wheel type slope braking mobile traffic signal lamp comprises a mounting box 100, a signal lamp set 200 fixedly arranged above the mounting box 100 and a rectangular support plate 400, universal wheel 300, but the backup pad 400 sets up the folded state that can switch each other and expanded state and initial state be the folded state, the backup pad 400 of folded state gathers together on the install bin 100 up end, the backup pad 400 of expanded state extends to its lower terminal surface below by the up end of install bin 100, but universal wheel 300 sets up the stretching out state that can switch each other and retracting state and initial state be stretching out state, the universal wheel 300 of stretching out state stretches out to the below of install bin 100, the universal wheel 300 of retracting state retracts into the inside of install bin 100, the universal wheel 300 of stretching out state and the backup pad 400 of expanded state all can independently support install bin 100, be applicable to the placing on horizontal road surface under the initial state.

Specifically, the installation box 100 includes box 101 and the case lid 102 rather than the opening looks adaptation that the opening upwards arranged, box 101 constitutes the formula of opening and closing with case lid 102 and is connected the cooperation, fixed mounting has handle 103 on the case lid 101 up end, handle 103 is provided with two and is located one side of case lid 101 respectively, the fixed bracing piece 110 that is provided with the vertical arrangement of axial in middle part rigidity of case lid 102 up end, open 120 rather than inside switch-on is seted up to four edges of lower terminal surface of box 101, the inside rectangle installation piece 130 that still is provided with bottom surface fixed connection of box 101.

The signal lamp set 200 is fixedly sleeved on the support rod 110 and is arranged close to the top end of the support rod, the signal lamp set 200 comprises a red-green-yellow lamp, a control system and a first storage battery, a solar cell panel 201 for charging the first storage battery is fixedly installed at the top end of the support rod 110, the universal wheel 300 is provided with four solar cell panels, the four solar cell panels correspond to the opening 120 one by one and are controlled to switch between an extending state and a retracting state by controlling the up-and-down movement of the universal wheel 300, the support plate 400 is provided with two solar cell panels, the two solar cell panels are symmetrically arranged along the axial direction of the support plate 110, the support plate 400 is arranged close to one end of the box cover 102 along the length direction and is provided with a rotating shaft 402 in a curling portion in a penetrating manner, the rotating shaft 402 is fixedly connected with the curling portion of the support plate 110, the, the supporting plate 400 is fixedly provided with a floor plate 403 which is close to and extends from one end of the case cover 102 along the length direction, the floor plate 403 is horizontally arranged in an initial state, a semicircular arc notch 404 matched with the diameter of the supporting rod 110 is formed in one end face, close to the floor plate 403, of the supporting plate, the arc notch 404 is clamped on the supporting rod 110 in a furled state, the two supporting plates 400 form a V-shaped structure with a vertical downward opening in the initial state, and the supporting plate 400 is controlled to be switched between the furled state and an unfolded state through rotation of the control rotating shaft 402.

The installation box 100 is further provided with a telescopic mechanism 310 for controlling the universal wheel 300 to be switched between the extending state and the retracting state, a folding and unfolding mechanism 410 for controlling the support plate 400 to be switched between the folding state and the unfolding state, and a power driving device 500 for providing power for the telescopic mechanism 310 and the folding and unfolding mechanism 410, wherein the power driving device 500 can alternately provide driving power for the telescopic mechanism 310 and the folding and unfolding mechanism 410.

In the using process, a worker in a traffic management department carries the traffic management department to an intersection, holds the handle 103 with a hand to carry the whole installation box 100 to the ground, pushes the installation box to the central position of the intersection under the action of the universal wheels 300, and if the installation box is positioned on a horizontal road, the worker completes the signal lamp group adjustment and then puts the installation box into use, and the universal wheels 300 are used for independent support; if the vehicle is on an inclined road surface, the power driving device 500 is started, the power of the power driving device is firstly transmitted to the folding and unfolding mechanism 410, the folding and unfolding mechanism 410 drives the rotating shaft 402 to rotate and enables the supporting plate 400 to rotate downwards to be switched from the folding state to the unfolding state, then the power driving device 500 transmits the power of the power driving device to the telescopic mechanism 310, the telescopic mechanism 310 enables the universal wheel 300 to move towards the upper part of the opening 120 and enables the universal wheel to be switched from the stretching state to the retracting state, a worker adjusts the signal lamp group to complete use, and the supporting plate 400 is used for independent support.

The telescopic mechanism 310 comprises a telescopic block 317 which is movably arranged and is vertically arranged corresponding to the opening 120, the universal wheel 300 is rotatably arranged on the lower end surface of the telescopic block 317 and the axial direction of the rotating shaft is vertically arranged, the telescopic mechanism 310 further comprises a first strip-shaped horizontal fixing plate 311 which is fixedly arranged on the inner wall of the box body 101 which is oppositely arranged, the first fixing plate 311 is provided with two strips which are respectively positioned at one side of the mounting block 130, a second strip-shaped horizontal fixing plate 312 is fixedly arranged on the lower end surface of the first fixing plate 311, the second fixing plate 312 is provided with two strips, one end of the second fixing plate 312 extends from the middle position of the first fixing plate 311, the other end of the second fixing plate 312 extends from the middle position of the first fixing plate 311, the second fixing plates 312 vertically correspond to the opening 120 one by one, one end, far away from each other, of the, a guide rod 314 is fixedly arranged between the first protrusion 313a and the second protrusion 313b, the axial direction of the guide rod 314 is parallel to the axial direction of the second fixed plate 312, a sliding block 315 is sleeved on the guide rod 314 in a sliding manner, a convex block 316 is fixedly arranged on the side surface of the second fixed plate 312 close to one end, the convex block 316 is connected with the side surface of the telescopic block 317 in a connecting manner, a first connecting rod 318 is arranged between the convex block 316 and the side surface of the telescopic block 317 and is connected with the convex block 316 in a hinged manner, the axial direction of the hinged shaft is horizontal and vertical to the axial direction of the guide rod 314, the other end of the hinged shaft is connected with the side surface of the telescopic block 317 in a hinged manner, the axial direction of the hinged shaft is horizontal and vertical to the axial direction of the guide rod 314, a second connecting rod 319 is arranged between the sliding block 315 and the side surface of the telescopic block 317 and is connected with the sliding block 315 in a hinged manner, the hinge shaft of the first connecting rod 318 and the telescopic block 317 and the hinge shaft of the second connecting rod 319 and the telescopic block 317 are coaxially arranged, the telescopic block 317 is located below the middle position of the second fixing plate 312, an included angle formed by the second connecting rod 319 and the guide rod 314 and close to one side of the second protrusion 313b is an obtuse angle, the first connecting rod 318 and the second connecting rod 319 form a V-shaped structure, the telescopic block 317 moves upwards along the opening 120 by driving the sliding block 315 to slide along the guide rod 314 and close to the second protrusion 313b, the telescopic block 317 drives the universal wheel 300 to move upwards and is switched from the extending state to the retracting state, the first connecting rod 318 slides along the guide rod 314 and close to the first protrusion 313a, the telescopic block 317 moves downwards along the opening 120, and the telescopic block 317 drives the universal wheel 300 to move downwards and is switched from the retracting state.

Specifically, in order to drive the sliding block 315 to slide along the guide rods 314, a forward external thread is disposed outside one of the guide rods 314 on the same side, the sliding block 315 sleeved on the guide rod 314 forms a threaded connection fit with the guide rod, a reverse external thread is disposed outside the other guide rod 314, the sliding block 315 sleeved on the guide rod 314 forms a threaded connection fit with the guide rod, the telescoping mechanism 310 further includes a first support 320 fixedly disposed on the upper end surface of the mounting block 130, two first supports 320 are rotatably disposed between the first support 320 and a first rotating shaft 321 axially parallel to the axial direction of the guide rod 314, a first belt transmission assembly 322 for connecting the first rotating shaft 321 and the guide rod 314 provided with the external thread is disposed between the first rotating shaft 321 and the guide rod 314 provided with the external thread, and the first belt transmission assembly 322 includes a first driving pulley coaxially and fixedly sleeved on the first rotating shaft 321, a first driven pulley rotatably disposed between the two protrusions 313b, and a first belt disposed between the first driving The first driven pulley is coaxially and fixedly connected with the guide rod 314 with the positive external thread and the guide rod 314 with the reverse external thread, and the two telescopic blocks 317 below the guide rod 314 with the external thread move upwards/downwards through the rotation of the first driving rotating shaft 321.

More specifically, in order to enable the two telescopic blocks 317 below the smooth guide rod 314 to move up/down synchronously, a synchronous rod 330 for fixedly connecting the two telescopic blocks 317 below the smooth guide rod 314 on the same side and the telescopic block 317 below the guide rod 314 with the external thread is arranged between the two telescopic blocks 330, and the arrangement of the synchronous rod 330 enables the four telescopic blocks 317 to move up/down synchronously, so that the extension and retraction of the universal wheel 300 are synchronously controlled.

The telescopic mechanism 310 drives the universal wheel 300 to be switched from the extending state to the retracting state, and is specifically shown in the following manner that the power driving device 500 drives the first rotating shaft 321 to rotate in the forward direction, the first belt transmission assembly 322 transmits the power of the first rotating shaft 321 to the guide rod 314 and drives the guide rod 314 to rotate around the axis of the first belt transmission assembly, the guide rod 314 provided with the external thread enables the sliding block 315 to move close to the second protrusion 313b, the first connecting rod 318 and the second connecting rod 319 enable the telescopic block 317 to move upwards along the opening 120 to the inside of the box 101, and the telescopic block 317 enables the universal wheel 300 to be switched from the extending state to the retracting state; the telescopic mechanism 310 drives the universal wheel 300 to be switched from the retracted state to the extended state, and is specifically shown in the following manner that the power driving device 500 drives the first rotating shaft 321 to rotate in the reverse direction, the first belt transmission assembly 322 transmits the power of the first rotating shaft 321 to the guide rod 314 and drives the guide rod 314 to rotate around the axis of the first belt transmission assembly, the guide rod 314 provided with the external thread enables the sliding block 315 to move close to the first protrusion 313a, the first connecting rod 318 and the second connecting rod 319 enable the telescopic block 317 to move downwards along the opening 120 to the lower side of the box 101, and the telescopic block 317 enables the universal wheel 300 to be switched from the retracted state to the extended state.

To rotate the support plate 400 downward around the axis of the rotating shaft 402, it is necessary to rotate the rotating shaft 402 on the right side clockwise and the rotating shaft 402 on the left side counterclockwise, and for this purpose, the folding and unfolding mechanism 410 includes a first rotating driving member for driving the rotating shaft 402 on the left side and a second rotating driving member for driving the rotating shaft 402 on the right side.

Specifically, the first rotary driving component comprises two supports 411 fixedly hung on the lower end face of the box cover 102, the two supports 411 are provided with two rotating shafts 412 which are axially parallel to the axial direction of the rotating shaft 402 and are rotatably arranged between the two supports 411, a second belt transmission component 413 for connecting the two rotating shafts 412 and the left rotating shaft 402 is arranged between the two rotating shafts 412 and the left rotating shaft 402, the second belt transmission component 413 comprises a second driving belt pulley coaxially and fixedly sleeved on the second rotating shaft 412, a second driven belt pulley coaxially and fixedly sleeved on the left rotating shaft 402 and a second belt pulley arranged between the second driving belt pulley and the second driven belt pulley and used for connecting the two driving belt pulleys, and the left supporting plate 400 is enabled to rotate downwards along with the anticlockwise rotation of the rotating shaft 402 through the anticlockwise rotation of the.

Specifically, the second rotary driving component includes three brackets 414, four brackets 416 and five brackets 418 fixedly mounted on the upper end surface of the mounting block 130, the three brackets 414 are located right above the five brackets 418, the three brackets 414 are located between the four brackets 416 and the right rotary shaft 412, the three brackets 414 are provided with two rotary shafts 415 axially parallel to the axial direction of the rotary shaft 402, the four brackets 416 are provided with two rotary shafts 417 axially parallel to the axial direction of the rotary shaft 402, the five brackets 418 are provided with two rotary shafts 419 axially parallel to the axial direction of the rotary shaft 402, the two rotary shafts five 418 are rotatably provided between the two brackets five brackets 418, a rotary shaft five 419 axially parallel to the axial direction of the rotary shaft 402 is provided between the three rotary shafts 415, the four rotary shafts 417, the five rotary shafts 419 and the right rotary shaft 402, a belt transmission component three 420 for connecting the four rotary shafts is provided between the three rotary shafts 415, and the belt transmission component three 420 includes a driving pulley three coaxially fixedly sleeved on the, The driven pulley three A coaxially and fixedly sleeved on the rotating shaft four 417, the driven pulley three B coaxially and fixedly sleeved on the rotating shaft five 419, the driven pulley three C coaxially and fixedly sleeved on the right rotating shaft 402 and the belt three wound among the driving pulley three, the driven pulley three A, the driven pulley three B and the driven pulley three C are wound, the belt three is wound below the driving pulley three and the driven pulley three B, and the supporting plate 400 on the right side rotates downwards along with the clockwise rotation of the rotating shaft 402 to be unfolded by driving the rotating shaft three 415 to rotate anticlockwise.

More specifically, in order to enable the two supporting plates 400 to rotate downwards synchronously and expand, a synchronous transmission component 421 for connecting the two supporting plates is arranged between the two rotating shafts 412 and the three rotating shafts 415, the synchronous transmission component 421 comprises a first synchronous pulley which is coaxially fixedly sleeved on the two rotating shafts 412, a second synchronous pulley which is coaxially fixedly sleeved on the three rotating shafts 415, and a synchronous belt which is arranged between the first synchronous pulley and the second synchronous pulley and is used for being connected with the two synchronous pulleys in a winding manner, and the two rotating shafts 412 and the three rotating shafts 415 are ensured to rotate synchronously through the transmission of the synchronous transmission component 421.

In order to facilitate the installation of the second driven pulley and the third driven pulley, a rectangular notch 405 is formed in the middle of one end of the support plate 400, which is close to the rotating shaft 402, the length direction of the rectangular notch 405 is parallel to the length direction of the support plate 400, the width direction of the rectangular notch is parallel to the width direction of the support plate 400, and the second driven pulley and the third driven pulley are located in the rectangular notch 405.

The folding and unfolding mechanism 410 drives the support plate 400 to rotate downwards and switch to the unfolding state, and is specifically represented by that the power driving device 500 drives the second rotating shaft 412 to rotate anticlockwise, the second belt transmission component 413 transmits the power of the second rotating shaft 412 to the left rotating shaft 402 and enables the left rotating shaft 402 to rotate anticlockwise, the support plate 400 on the left side rotates downwards and unfolds along with the counterclockwise rotation of the left rotating shaft 402, meanwhile, the synchronous transmission component 421 transmits the power of the second rotating shaft 412 to the third rotating shaft 415 and enables the third rotating shaft 415 and the second rotating shaft 412 to rotate anticlockwise synchronously, the third belt transmission component 420 transmits the power of the third rotating shaft 415 to the right rotating shaft 402 and enables the right rotating shaft 402 to rotate clockwise, and the support plate 400 on the right side rotates downwards and unfolds along with the clockwise rotation of; the folding and unfolding mechanism 410 drives the supporting plate 400 to rotate downwards and switch to the folded state, specifically, the power driving device 500 drives the second rotating shaft 412 to rotate clockwise, the supporting plate 400 on the left side rotates clockwise along with the rotating shaft 402 on the left side to rotate upwards to fold, and the supporting plate 400 on the right side rotates anticlockwise along with the rotating shaft 402 on the right side to rotate upwards to unfold.

The power driving device 500 comprises a transmission mechanism 510, a power source 520 and an automatic trigger mechanism 530, wherein the driving end of the transmission mechanism 510 is connected with the output end of the power 520, the output end of the transmission mechanism 510 is arranged to be combined with the second rotating shaft 412 or the first rotating shaft 321, the output end of the transmission mechanism 510 is combined with the second rotating shaft 412 in an initial state, the automatic trigger mechanism 530 automatically triggers to enable the output end of the transmission mechanism 510 to be switched to be combined with the first rotating shaft 321 when the support plate 400 is switched to the unfolding state, the significance of the scheme is that the transmission mechanism 510 firstly transmits the power of the power source 520 to the second rotating shaft 412 to enable the support plate 400 to be firstly switched to the self-unfolding state, then the transmission mechanism 510 then transmits the power of the power source 520 to the first rotating shaft 321, and the upper universal wheel 300 is switched to.

Specifically, the transmission mechanism 510 includes two mounting brackets 511 fixedly disposed on the upper end surface of the mounting block 130, two main shafts 512 axially parallel to the axial direction of the first rotating shaft 321 are rotatably disposed between the two mounting brackets 511, the main shafts 512 are disposed below the second rotating shaft 412, a gear set combination is disposed between the main shafts 512 and the second rotating shaft 412, the gear set combination includes a first driving gear 513 coaxially rotatably sleeved on the main shafts 512 and a first driven gear 514 coaxially fixedly sleeved on the second rotating shaft 412, the first driving gear 513 and the first driven gear 514 are both helical gears and are engaged with each other, a second gear combination is disposed between the main shafts 512 and the first rotating shaft 321, the second gear combination includes a second driving gear 515 coaxially rotatably sleeved on the main shafts 512 and a second driven gear 516 coaxially fixedly sleeved on the first rotating shaft 321, the second driving gear 515 and the second driven gear 516 are both straight gears and are engaged with each, the first driving gear 513 and the main shaft 512 are configured to be in an engaged state and a disengaged state which can be switched to each other, and in an initial state, the second driving gear 515 and the main shaft 512 are configured to be in an engaged state and a disengaged state which can be switched to each other, and in the initial state, when the first driving gear 513 and the main shaft 512 are switched to be in the disengaged state, the second driving gear 515 and the main shaft 512 are switched to be in the engaged state, and the main shaft 512 is configured to drive the first driving gear 513/the second driving gear 515 which is engaged with the first driving gear 513/the second driving.

More specifically, in order to enable the main shaft 512 to be alternately combined with the first driving gear 513 and the second driving gear 515, a first keyway 517 arranged parallel to the axial direction of the main shaft 512 is formed on the outer circumferential surface of the main shaft 512, the first keyway 517 is provided with a plurality of keyways arranged in an array along the circumferential direction of the main shaft 512, a second keyway matched with the first keyway 517 is formed on each of the inner circumferential surfaces of the first driving gear 513 and the second driving gear 515, the second keyway is provided with a plurality of keyways arranged in an array along the inner circumferential surface of the first driving gear 513/the second driving gear 515, a sliding key 517 matched with the first keyway is arranged in the first keyway 517 in a sliding manner, the sliding key 517 is located between the first driving gear 513 and the second driving gear 515, when the sliding key 517 is inserted into the second keyway in the first driving gear 513, the main shaft 512 is combined with the first driving gear 513, and when, the outer portion of the main shaft 512 is coaxially and movably sleeved with a circular clutch plectrum 518, the clutch plectrum 518 is fixedly connected with the middle position of the sliding key 517 along the length direction of the sliding key, the outer portion of the main shaft 512 is further sleeved with a pushing spring 519, one end of the pushing spring 519 is abutted against the second driving gear 515, the other end of the pushing spring 519 is abutted against the clutch plectrum 518, and the elastic force of the pushing spring 519 is always directed to the clutch plectrum 518 by the second driving gear 515, the main shaft 512 is combined with the first driving gear 513 in the initial state through the elastic force action of the pushing spring 519, the clutch plectrum 518 is pushed to move close to the second driving gear 515, and the main shaft 512 is separated from the first driving gear 513 and combined with the second.

The power source 520 comprises a stepping motor 521 fixedly installed on the upper end face of the installation block 130, an output shaft of the stepping motor 521 is axially horizontal and perpendicular to the axial direction of the spindle 512, the output shaft of the stepping motor 521 is located below the spindle 512, a worm and gear transmission assembly 522 used for transmitting the power of the output shaft to the spindle 512 is arranged between the stepping motor 521 and the driving end of the spindle 512, the worm and gear transmission assembly 522 comprises a worm coaxially and fixedly sleeved on the output shaft of the stepping motor 521 and a turbine coaxially and fixedly sleeved on the spindle 512, the worm is meshed with the driving end of the turbine, and the spindle 512 is driven to rotate through the stepping motor 521.

Firstly, the transmission mechanism 510 transmits the power of the stepping motor 521 to the second rotating shaft 412 to make the supporting plate 400 rotate and unfold downwards, specifically, the worm and gear transmission assembly 522 transmits the power on the output shaft of the stepping motor 521 to the spindle 512 and drives the spindle 512 to rotate around the axial direction of the spindle, the spindle 512 is combined with the first driving gear 513 in the initial state, the first gear set transmits the power of the spindle 512 to the second rotating shaft 412 and drives the second rotating shaft 412 to rotate anticlockwise to make the two supporting plates 400 rotate and unfold downwards around the axial direction of the rotating shaft 402, at this time, the automatic trigger mechanism 530 detects that the supporting plate 400 is switched to the unfolded state and pushes the clutch dial 518 to move close to the second driving gear 515 under the action of the elastic force of the resisting and pushing spring 519, the sliding key 517 slides out of the second key slot of the first driving gear 513 and inserts into the second key slot of the second, the main shaft 512 and the first driving gear 513 are switched to a separated state, and the main shaft 512 and the second driving gear 515 are switched to a combined state.

Then the transmission mechanism 510 transmits the power of the stepping motor 521 to the first rotating shaft 321 to switch the universal wheel 300 to the retracted state, specifically, the worm and gear transmission assembly 522 transmits the power on the output shaft of the stepping motor 521 to the spindle 512 and drives the spindle 512 to rotate around the own axial direction, and the gear combination two transmits the power of the spindle 512 to the first rotating shaft 321 and drives the first rotating shaft 321 to rotate around the own axial line, so that the universal wheel 300 is switched from the extended state to the retracted state.

In order to detect the unfolding of the support plate 400 and automatically trigger and push the clutch dial 518 to slide close to the second driving gear 515, the automatic trigger mechanism 530 comprises a trigger part for pushing the clutch dial 518 to slide close to the second driving gear 515 and a detection part for detecting the unfolding of the support plate 400, the trigger part comprises a fixed sliding sleeve 531 fixedly installed on the inner wall of the box 201, a push rod 532 is movably inserted in the fixed sliding sleeve 531, the axial direction of the push rod 532 is parallel to the axial direction of the main shaft 512 and is located at one side of the main shaft 512, the push rod 532 and the fixed sliding sleeve 531 form a sliding guide fit along the axial direction parallel to the main shaft 512, a circular abutting ring 533 is coaxially and fixedly arranged at one end of the push rod 532 departing from the fixed sliding sleeve 531 along the length direction thereof, a blocking piece 534 is fixedly arranged at the middle position of the push rod along the length direction thereof, a trigger spring 535 is, The other end of the spring is abutted against the fixed sliding sleeve 531, the elastic force of the trigger spring 535 is always directed to the blocking piece 534 by the fixed sliding sleeve 531, the trigger spring 535 always pushes the push rod 532 to slide in the direction from the driving gear one 513 to the driving gear two 515, the abutting ring 533 is abutted against one end face of the clutch dial 518 close to the driving gear one 513, the detection part overcomes the elastic force of the trigger spring 535 to limit and restrict the sliding of the push rod 532 in the initial state, when the detection part detects that the support plate 400 is switched to the unfolding state, the detection part releases the limiting restriction on the push rod 532, the elastic force of the trigger spring 535 is released and pushes the push rod 532 to slide in the direction from the driving gear one 513 to the driving gear two 515, and the abutting ring 533 pushes the clutch dial 518 to.

Specifically, the detection part includes an L-shaped detection rod 536 capable of being vertically lifted, the detection rod 536 includes a horizontal segment and a vertical segment, the horizontal segment of the detection rod 536 is located below the top bar 532, the vertical segment of the detection rod 536 movably extends to the outside through the box 101 and vertically extends upwards to receive the downward pressure of the support plate 400 in the unfolded state, a guide plate 538 fixedly connected with the inner wall of the box 101 is arranged below the detection rod 536, a guide rod 537a vertically extending downwards is fixedly arranged on the lower end face of the horizontal segment of the detection rod 536 and is provided with two guide rods 537, the guide rod 537a movably penetrates through the guide plate 538 and forms a sliding guide fit in the vertical direction, a return spring 537b is slidably sleeved outside the guide rod 537a, one end of the return spring 537b is abutted against the upper end face of the guide plate 538, the other end of the return spring is abutted against the horizontal segment of the detection rod 536, and the elastic force of the return spring 537b is always abutted against the horizontal segment of the detection rod, in order to limit and constrain the ejector rod 532, a micro motor 539a is fixedly arranged on the upper end face of the horizontal section of the detection rod 536, the axial direction of an output shaft of the micro motor 539a is parallel to the axial direction of the ejector rod 532, a limit cam 539b is coaxially and fixedly sleeved on the output shaft of the micro motor 539a, the cam 539a comprises a long lip and a short lip, the long lip is vertically downward in an initial state, the baffle 534 is clamped between the short lip of the cam 539a and the micro motor 539a in the initial state, the detection rod 536 is pressed down through the support plate 400, the short lip of the cam 539a is enabled to release the limit and constraint on the baffle 534, and therefore the detection part is enabled to release the limit and constraint on the ejector.

During the operation of the automatic triggering mechanism 530, when the supporting plate 400 rotates downward and is switched to the unfolded state, the vertical segment of the detection rod 536 is pressed downward, the triggering rod 536 will overcome the elastic force of the return spring 537b to move downward, the micro motor 539a and the limit cam 539b will synchronously move downward and disengage the blocking plate 534 from the short lip of the cam 539a and the micro motor 539a, at this time, the elastic potential energy of the triggering spring 535 will be released and push the push rod 532 to slide from the first driving gear 513 to the second driving gear 515, the push ring 533 will push the clutch dial 518 to slide close to the second driving gear 515, so that the main shaft 512 and the first driving gear 513 are switched to the separated state, and the main shaft 512 and the second driving gear 515 are switched to the combined state.

In the resetting process, the universal wheel 300 needs to be firstly switched from the retracted state to the extended state, and then the support plate 400 is switched from the expanded state to the folded state, in order to facilitate the resetting of the automatic triggering mechanism 530, the power driving device 500 further comprises a resetting member 540, the resetting member 540 comprises a sliding rod 541 fixedly installed between the bottom of the box body 101 and the lower end face of the box cover 102, the axial direction of the sliding rod 541 is vertically arranged, a resetting rack 542 is sleeved on the sliding rod 541 and can slide up and down along the sliding rod 541, a centering spring is movably sleeved on the sliding rod 541, the centering springs are provided with two ends respectively located at one end of the resetting rack 542, the elastic force of the centering spring always drives the resetting rack 542 to be located at the middle position of the sliding rod 541, the side face of the resetting rack 542 is arranged opposite to the abutting ring 533, one end of the abutting ring 533, which is, the fork body part of the two forks 532a is arranged up and down, the extending end of the fork body part is provided with a first inclined surface 532b, the distance between the first inclined surfaces 532b is gradually increased from the push rod 532 to the reset rack 542, the reset rack 542 is fixedly arranged on the reset block 543 arranged up and down by one side face of the two forks 532a, one end face of the reset block 543 departing from the reset rack 542 is provided with a second inclined surface 544 which is opposite to and parallel to the first inclined surface 532b, when the main shaft 512 is combined with the second driving gear 515, the first inclined surface 532b is abutted to the second inclined surface 544, and the push rod 532 is enabled to reset by driving the reset rack 542 to slide along the sliding rod 541 against the elastic action.

Specifically, the reset rack 542 can be driven to slide along the slide bar 541, the second driving gear 515 is located between the reset rack 542 and the second driven gear 516, the second driving gear 515 is a half gear, and in an initial state, the half gear rotates in a forward direction to be meshed with the second driven gear 516, and rotates in a reverse direction to be meshed with the reset rack 542.

In the resetting process, the universal wheel 300 is switched to the extending state, which is specifically shown in that the stepping motor 521 rotates reversely, the transmission mechanism 510 transmits the power of the spindle 512 to the first rotating shaft 321 and enables the first rotating shaft 321 to rotate reversely, the universal wheel 300 is switched to the extending state to reset, at the moment, the stepping motor 521 further rotates reversely, the half gear is meshed with the resetting rack 542 and drives the resetting rack 542 to slide along the sliding rod 541, the second inclined surface 544 is extruded with the first inclined surface 532b and forces the push rod 532 to slide reversely and reset against the elastic force of the trigger spring 535, the spindle 512 is separated from the second driving gear 515 to reset, the spindle 512 is combined with the first driving gear 513 to reset, the middle spring resets the resetting rack 542, meanwhile, the micro motor 539a is started to drive the limit cam 539b to rotate for half a circle, so that the long lip of the cam 539b performs temporary limit constraint on the blocking piece 534, then, the supporting plate 400 is rotated upwards to be switched to the furled state, specifically, the stepping motor 521 continues to rotate reversely, the transmission mechanism 510 transmits the power of the main shaft 512 to the second rotating shaft 412 and rotates the second rotating shaft 412 reversely, the second rotating shaft 412 rotates reversely to switch the supporting plate 400 to the furled state to be reset upwards, the supporting plate 400 releases the pressing of the detection rod 536, the reset spring 537b pushes the detection rod 536 to float upwards to be reset, and finally, the micro motor 539a is started to drive the limit cam 539b to rotate for half a circle to reset the cam 539 b.

As a more optimized scheme of the invention, because the mobile traffic signal lamp works outdoors, in order to facilitate the supply of power to the stepping motor 521, the second storage battery 550 is fixedly installed on the installation block 130, a controller electrically connected with the second storage battery 550 and the stepping motor 521 is arranged between the second storage battery 550 and the stepping motor 521, the controller is used for transmitting the electric energy of the second storage battery 550 to the stepping motor 521 and controlling the stepping operation of the stepping motor 521, the second solar cell panel is embedded on both the front side and the back side of the support plate 400, and the second solar cell panel is electrically connected with the second storage battery 550 and used for charging the second storage battery 550.

Claims

1. A retractable universal wheel type slope braking mobile traffic signal lamp is characterized in that: the universal wheel comprises an installation box, a signal lamp group, a rectangular supporting plate and universal wheels, wherein the signal lamp group is fixedly arranged above the installation box, the supporting plate is set into a furled state and an unfolded state which can be mutually switched, the initial state is the furled state, the supporting plate in the furled state is gathered on the upper end surface of the installation box, the supporting plate in the unfolded state extends from the upper end surface of the installation box to the lower end surface of the installation box, the universal wheels are set into an extended state and a retracted state which can be mutually switched, the initial state is the extended state, the universal wheels in the extended state extend to the lower part of the installation box, the universal wheels in the retracted state retract into the installation box, the universal wheels in the extended state and the supporting plate in the unfolded state can independently support the installation box, and the universal wheels in the initial;

2. A retractable-castor, hill-braking, mobile traffic signal as set forth in claim 1, wherein: the telescopic mechanism comprises telescopic blocks which are movably arranged and are arranged corresponding to the openings up and down, the universal wheels are rotatably arranged on the lower end faces of the telescopic blocks and are vertically arranged along the axial direction of the rotating shafts, the telescopic mechanism also comprises a first long-strip-shaped horizontal fixing plate fixedly arranged on the inner wall of the box body which is oppositely arranged, the first fixing plate is provided with two long-strip-shaped horizontal fixing plates which are respectively positioned on one sides of the mounting blocks, the lower end face of each fixing plate is fixedly provided with a second long-strip-shaped horizontal fixing plate, the two fixing plates are provided with two bosses, one end of the first fixing plate extends from the middle position of the first fixing plate, the other end of the second fixing plate extends from the middle position of the first fixing plate, the second fixing plate corresponds to the openings up and down one, one end of the lower end faces of the second fixing plates which is far away from each, a slide block is sleeved on the guide rod in a sliding manner, a convex block is fixedly arranged on the side surface of the two fixed plates close to one end of each fixed plate, a first connecting rod for connecting the convex block and the telescopic block is arranged between the convex block and the side surface of the telescopic block, one end of the first connecting rod is hinged with the convex block, the axial direction of the hinged shaft is horizontal and vertical to the axial direction of the guide rod, the other end of the first connecting rod is hinged with the side surface of the telescopic block, the axial direction of the hinged shaft is horizontal and vertical to the axial direction of the guide rod, a second connecting rod for connecting the slide block and the telescopic block is arranged between the slide block and the side surface of the telescopic block, one end of the second connecting rod is hinged with the slide block, the axial direction of the hinged shaft is horizontal and vertical to the axial direction of the guide rod, the other end of the second connecting rod is hinged with, an included angle formed by the second connecting rod and the guide rod and formed by the second connecting rod and the side, close to the second protrusion, is an obtuse angle, and the first connecting rod and the second connecting rod form a V-shaped structure.

3. A retractable-castor, hill-braking, mobile traffic signal as set forth in claim 2, wherein: the telescopic mechanism further comprises a first support fixedly arranged on the upper end face of the installation block, the first support is provided with two first rotating shafts which are axially parallel to the axial direction of the guide rod, a first belt transmission assembly for connecting the first rotating shafts and the first driven belt wheel which is rotatably fixed on the first rotating shafts in a sleeved mode and a first belt which is arranged between the first driving belt wheel and the first driven belt wheel, the first driven belt wheel and the guide rod are provided with positive external threads, the sliding block which is sleeved on the guide rod is in threaded connection with the first rotating shafts, the first support is fixedly arranged on the upper end face of the installation block, the first support is provided with two first rotating shafts which are axially parallel to the axial direction of the guide rod, the first rotating shafts and the guide rod are provided with the external threads, the first belt transmission assembly comprises a first driving belt wheel which is coaxially fixed on the first rotating shafts, a, The guide rods with reverse external threads are coaxially and fixedly connected.

4. A retractable-castor, hill-braking, mobile traffic signal as set forth in claim 3, wherein: and a synchronizing rod for fixedly connecting the telescopic block below the smooth guide rod and the telescopic block below the guide rod with the external thread is arranged between the telescopic block below the smooth guide rod and the telescopic block.

5. A retractable-castor, hill-braking, mobile traffic signal as set forth in claim 1, wherein: the folding and unfolding mechanism comprises a first rotary driving component for driving the left rotary shaft and a second rotary driving component for driving the right rotary shaft.

6. A retractable-castor, hill-braking, mobile traffic signal as set forth in claim 5, wherein: the first rotary driving component comprises two supports II fixedly hoisted on the lower end face of the box cover, two rotating shafts II axially parallel to the axial direction of the rotating shaft are rotatably arranged between the two supports II, a second belt transmission component for connecting the two rotating shafts II and the left rotating shaft is arranged between the two rotating shafts II, and the second belt transmission component comprises a second driving belt pulley coaxially and fixedly sleeved on the second rotating shaft, a second driven belt pulley coaxially and fixedly sleeved on the left rotating shaft and a second belt arranged between the second driving belt pulley and the second driven belt pulley and used for connecting the two belt pulleys;

7. A retractable-castor, hill-braking, mobile traffic signal as set forth in claim 6, wherein: the middle position of the supporting plate close to one end of the rotating shaft is provided with a rectangular notch, the length direction of the rectangular notch is parallel to the length direction of the supporting plate, the width direction of the rectangular notch is parallel to the width direction of the supporting plate, and the driven belt wheel II and the driven belt wheel III are located in the rectangular notch.

8. A retractable-castor, hill-braking, mobile traffic signal as set forth in claim 1, wherein: the power driving device comprises a transmission mechanism, a power source and an automatic triggering mechanism, wherein the driving end of the transmission mechanism is connected with the output end of power, the output end of the transmission mechanism is arranged to be combined with the rotating shaft two phase or combined with the rotating shaft one phase, and the output end of the transmission mechanism is combined with the rotating shaft two phase in an initial state, and the automatic triggering mechanism automatically triggers to enable the output end of the transmission mechanism to be combined with the rotating shaft one phase when the supporting plate is switched to the unfolding state.

9. A retractable-castor, hill-braking, mobile traffic signal as set forth in claim 8, wherein: the transmission mechanism comprises mounting frames fixedly arranged on the upper end surface of the mounting block, two main shafts axially parallel to the axial direction of the rotating shaft are rotatably arranged between the two mounting frames, the main shafts are positioned below the rotating shaft II, a gear combination I is arranged between the main shafts and the rotating shaft II, the gear combination I comprises a first driving gear coaxially rotatably sleeved on the main shafts and a first driven gear coaxially fixedly sleeved on the rotating shaft II, the first driving gear and the first driven gear are helical gears and are mutually meshed, a second gear combination I is arranged between the main shafts and the rotating shaft I, the second gear combination II comprises a second driving gear coaxially rotatably sleeved on the main shafts and a second driven gear coaxially fixedly sleeved on the rotating shaft I, the second driving gear and the second driven gear are straight gears and are mutually meshed, and the first driving gear and the main shafts are arranged into a combined state and a separated state which can be mutually switched to and a, the second driving gear and the main shaft are in a combined state and a separated state which can be mutually switched, the initial state is the separated state, when the first driving gear and the main shaft are switched to the separated state, the second driving gear and the main shaft are switched to the combined state, and the main shaft is used for driving the first driving gear/the second driving gear which is combined with the main shaft to rotate;

10. A retractable-castor, hill-braking, mobile traffic signal as set forth in claim 8, wherein: the power source comprises a stepping motor fixedly arranged on the upper end face of the mounting block, the axial direction of an output shaft of the stepping motor is horizontal and vertical to the axial direction of the main shaft, the output shaft of the stepping motor is positioned below the main shaft, a worm and gear transmission assembly for transmitting the power of the output shaft to the main shaft is arranged between the stepping motor and the driving end of the main shaft, the worm and gear transmission assembly comprises a worm coaxially fixedly sleeved on the output shaft of the stepping motor and a turbine coaxially fixedly sleeved on the driving end of the main shaft, and the worm is meshed with the turbine;

the automatic trigger mechanism comprises a trigger part for pushing the clutch plectrum to slide close to the driving gear II and a detection part for detecting the expansion of the support plate, the trigger part comprises a fixed sliding sleeve fixedly arranged on the inner wall of the box body, a mandril is movably arranged in the fixed sliding sleeve in a penetrating way, the axial direction of the mandril is parallel to the axial direction of the main shaft and is positioned at one side of the main shaft, the mandril and the fixed sliding sleeve form sliding guide fit along the axial direction parallel to the main shaft, the length direction of the mandril is deviated from one end of the fixed sliding sleeve and is coaxially and fixedly provided with a circular abutting ring, the middle position of the mandril along the length direction is fixedly provided with a baffle, a trigger spring is movably sleeved outside the mandril, one end of the trigger spring is abutted against the baffle, the other end of the trigger spring is abutted against the fixed sliding, the pushing ring is abutted against one end face of the clutch plectrum close to the driving gear, and the detection part overcomes the elastic action of the trigger spring to limit and restrict the sliding of the ejector rod in an initial state;

the detection part comprises an L-shaped detection rod which can be arranged in an up-and-down lifting manner, the detection rod comprises a horizontal section and a vertical section, wherein the horizontal section of the detection rod is positioned below the ejector rod, the vertical section of the detection rod movably penetrates through the box body to extend to the outside of the box body and vertically extends upwards to receive the downward pressing of a supporting plate in a spreading state, a guide plate fixedly connected with the inner wall of the box body is arranged below the detection rod, two guide rod guide rods which vertically extend downwards are fixedly arranged on the lower end face of the horizontal section of the detection rod, the guide rods movably penetrate through the guide plate and form sliding guide fit in the vertical direction, a reset spring is sleeved outside the guide rod in a sliding manner, one end of the reset spring is abutted against the upper end face of the guide plate, the other end of the reset spring is abutted against the horizontal section of the detection rod, the elastic force of the reset spring is always directed to the horizontal, the output shaft of the micro motor is axially parallel to the axial direction of the ejector rod, a limiting cam is coaxially and fixedly sleeved on the output shaft of the micro motor, the cam comprises a long lip edge and a short lip edge, the long lip edge is vertically downward in an initial state, and a baffle plate is clamped between the short lip edge of the cam and the micro motor in the initial state;

the power driving device also comprises a reset component, the reset component comprises a slide bar which is fixedly arranged between the bottom of the box body and the lower end face of the box cover, the axial direction of the slide bar is vertically arranged, a reset rack is sleeved on the slide bar and can slide up and down along the slide bar, a centering spring is movably sleeved on the slide bar, the centering spring is provided with two parts and is respectively positioned at one end of the reset rack, the elastic force of the centering spring always drives the reset rack to be positioned at the middle position of the slide bar, the side face of the reset rack is oppositely arranged with a push ring, one end of the push ring, which is far away from the blocking piece, is provided with two forks which horizontally extend towards the side face of the reset rack, the fork body parts of the two forks are vertically arranged, the extending ends of the fork body parts are provided with a first inclined plane, the distance between the two first inclined planes is gradually increased from the push rod to the reset rack, the, when the main shaft is combined with the driving gear II, the inclined plane I is abutted against the inclined plane II;

the second driving gear is positioned between the reset rack and the second driven gear, the second driving gear is a half gear, and the half gear rotates forwards and is meshed with the second driven gear in an initial state, and rotates reversely and is meshed with the reset rack;

fixed mounting has battery two on the installation piece, is provided with the controller that is connected both of electricity between battery two and the step motor, and the controller is used for carrying the step motor's of the electric energy of battery two step motor on to step motor step-by-step operation of simultaneous control, the tow sides of backup pad all inlays and is equipped with solar cell panel two, and solar cell panel two is connected and is used for charging battery two with the electricity of battery two.