CN210181995U

CN210181995U - Automatic retraction device for highway tunnel power failure bulletin board

Info

Publication number: CN210181995U
Application number: CN201921297321.7U
Authority: CN
Inventors: Tianquan Zhou; 周天铨; Jianhua Ruan; 阮建华
Original assignee: FUJIAN PROVINCE FUNING THRUWAY Co Ltd
Current assignee: FUJIAN PROVINCE FUNING THRUWAY Co Ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-03-24
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses an automatic winding and unwinding devices of highway tunnel power failure notice board, including reflection of light power failure text notice board and installing support, reflection of light power failure text notice board is fixed on installing support upper portion, the lower part one end of installing support is equipped with the walking wheel, the lower part other end of installing support is equipped with the dwang that links to each other with slewing mechanism, be equipped with driving motor, variable speed among the slewing mechanism and turn to driver and travel switch, driving motor's output with the input that the variable speed turned to the driver links to each other, the variable speed turn to the driver the output with the dwang links to each other, still be equipped with on the dwang and touch travel switch's test bar. The utility model discloses can be when the power failure of highway tunnel quick response, in time launch the billboard, can in time provide the suggestion for the past vehicle, the automatic winding and unwinding devices of power failure billboard uses convenient reliable, and whole working costs is low, is fit for promoting in the trade.

Description

Automatic retraction device for highway tunnel power failure bulletin board

Technical Field

The utility model relates to a highway facility technical field especially relates to an automatic winding and unwinding devices of highway tunnel power failure notice board.

Background

According to the regulations of highway power supply and distribution operation regulations, a billboard written with 'tunnel power failure and cautious driving' is required to be placed in an emergency stop zone beside a lane at a tunnel entrance in the driving direction when the tunnel power failure occurs, so that passing drivers are reminded of paying attention to the tunnel black hole, and the safety of drivers and passengers is ensured.

Because of the unattended operation of the highway tunnel, the electromechanical maintenance personnel need to be informed by the monitoring information center to go to the site for manual placement when the power is cut off every time. The highway is remote along the line, the power supply is mainly supplied by a rural power grid, the electric energy quality is unstable, influence factors such as lightning in a mountain area are added, and power failure is frequent. Because the number of tunnels on the highway is large and the coverage area is wide, electromechanical maintenance personnel on the highway usually fix a parking point according to the area, can go to the tunnel with relevant power failure to place the billboard after receiving the notification, and return to the tunnel to collect the billboard after the power supply of the tunnel is restored.

The manual billboard placement has the defects and hidden dangers of timeliness, safety, economy and the like. Therefore, it is necessary to develop an automatic retraction device for power failure billboards, which is used to reduce the response time of placing the billboards in power failure, and simultaneously improve the safety factor and save the maintenance cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, an object of the utility model is to provide an automatic winding and unwinding devices of highway tunnel power failure notice board can expand the power failure notice board automatically when the power failure of highway tunnel, treats that the tunnel can pack up the power failure notice board automatically again after recovering the power supply, and power failure response time is fast, can in time provide the suggestion for passing vehicle, also can reduce and practice thrift the maintenance cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic winding and unwinding devices of highway tunnel power failure notice board, has a power failure including reflection of light characters notice board and installing support, reflection of light has a power failure characters notice board and fixes on installing support upper portion, the lower part one end of installing support is equipped with the walking wheel, the lower part other end of installing support is equipped with the dwang that links to each other with slewing mechanism, be equipped with driving motor, variable speed among the slewing mechanism and turn to driver and travel switch, driving motor's output with the input that the variable speed turned to the driver links to each other, the variable speed turn to the driver the output with the dwang links to each other, still be equipped with on the dwang and to touch travel.

Furthermore, travel switch includes two, is used for detecting respectively reflection of light power failure characters notice board's expansion position and packing up the position.

Furthermore, an output shaft end with an upward connecting surface is arranged in the variable speed steering driver, and the rotating rod is connected with the output shaft end of the variable speed steering driver in a downward mode.

Furthermore, the driving motor is connected with the controller through a frequency converter, and the travel switch is electrically connected with the controller.

Furthermore, the frequency converter and the controller are arranged in an automatic control box, and the automatic control box is arranged on the outer side of the road guardrail.

Furthermore, the driving motor, the frequency converter and the controller are also connected with a UPS.

Furthermore, the driving motor, the variable speed steering driver and the travel switch are arranged in a waterproof box body, and the waterproof box body is tightly attached to the road guardrail.

Further, the driving motor is an alternating current motor capable of rotating forward and backward.

The utility model discloses following beneficial effect has:

1. the utility model discloses set up the power failure characters billboard that reflects light on a installing support that can open or pack up reciprocally, the installing support realizes opening automatically or packs up through the slewing mechanism drive of motor drive, can expand the power failure billboard automatically when the power failure of highway tunnel, can pack up the power failure billboard automatically again after the tunnel resumes the power supply, can in time provide the suggestion for the vehicle of passing, it is convenient and reliable to use, the working costs is low;

2. the utility model is provided with a driving motor, a variable speed steering driver and a travel switch, the driving motor which can rotate positively and negatively is controlled by a frequency converter and a controller, and the rotating mechanism moves smoothly; the UPS is also arranged in the system, so that the system is stable and reliable and can operate when power is cut off;

3. the utility model provides a among the automatic control case is located to converter and controller, driving motor, variable speed turn to driver and travel switch and locate waterproof box, guarantee that the device also can safe handling in rainy day, do not receive weather influence.

In a word, the utility model discloses can be when the power failure of highway tunnel quick response, in time expand or pack up the billboard, can in time provide the suggestion for the past vehicle, the automatic winding and unwinding devices of power failure billboard uses convenient and reliable, and whole working costs is low, is fit for promoting in the trade.

Drawings

FIG. 1 is a schematic view of the automatic retractable device for highway tunnel power failure billboards in a front view when the automatic retractable device is unfolded;

FIG. 2 is a schematic view of the automatic retractable device for highway tunnel power failure billboards in a front view;

fig. 3 is a wiring diagram of a control circuit of the automatic retraction device for the highway tunnel power failure billboard.

Description of reference numerals:

1. a light-reflecting power failure character billboard; 2. mounting a bracket; 21. a traveling wheel; 22. rotating the rod; 23. a detection lever; 3. a rotating mechanism; 31. a drive motor; 32. a variable speed steering drive; 33. a travel switch; 4. a frequency converter; 5. a controller; 6. an automatic control box; 7. a UPS (uninterrupted power supply); 8. waterproof box body.

Detailed Description

The invention will be described in further detail with reference to the following drawings and specific embodiments:

referring to fig. 1-3, an automatic winding and unwinding devices of highway tunnel blackout notice board, including reflection of light blackout text notice board 1 and installing support 2, reflection of light blackout text notice board 1 is fixed on 2 upper portions of installing support, the lower part one end of installing support 2 is equipped with walking wheel 21, the lower part other end of installing support 2 is equipped with dwang 22 that links to each other with slewing mechanism 3, be equipped with driving motor 31, variable speed steering driver 32 and travel switch 33 in the slewing mechanism 3, driving motor 31's output with the input that the variable speed steering driver 32 links to each other, the variable speed steering driver 32's output with dwang 22 links to each other, still be equipped with on the dwang 22 and can touch travel switch 33's detection pole 23.

The travel switches 33 include two ones, and are respectively used for detecting the expansion position and the retraction position of the light-reflecting power failure text billboard 1.

The variable speed steering driver 32 is provided with an output shaft end with an upward connecting surface, and the rotating rod 22 is connected with the output shaft end of the variable speed steering driver 32 downwards; according to the installation requirement, a key connection or a coupling connection can be arranged between the rotating rod 22 and the output shaft end of the variable speed steering driver 32; the variable speed steering drive 32 is typically a commercially available steering gear reducer.

The driving motor 31 is connected with the controller 5 through the frequency converter 4, and the travel switch 33 is electrically connected with the controller 5. The frequency converter 4 and the controller 5 are arranged in an automatic control box 6, and the automatic control box 6 is arranged on the outer side of the highway guardrail. The driving motor 31, the variable speed steering driver 32 and the travel switch 33 are arranged in the waterproof box body 8, and the waterproof box body 8 is tightly attached to the road guardrail.

As shown in fig. 3, a control circuit in the controller 5 can automatically start the automatic billboard retraction device through a relay KA1 when power fails, open the light-reflecting power-failure character billboard 1, and control the light-reflecting power-failure character billboard 1 to be automatically retracted by the controller 5 when power is restored; when the system is further improved, the controller 5 can be further provided with a communication device which can be connected with a remote control device, so that centralized scheduling control through the system is facilitated.

The drive motor 31, the frequency converter 4 and the controller 5 are further connected with a UPS (uninterrupted power supply) 7, the UPS 7 is arranged in a power distribution room, and the automatic billboard retraction device can be powered by the UPS 7 during power failure.

The utility model discloses locate highway guardrail limit in highway tunnel entry the place ahead, be in standby state during the use, reflection of light power failure characters billboard 1 is in and packs up the position, when highway tunnel had a power failure, controller 5 automatic control converter starts driving motor 31, driving motor 31 drives dwang 22 through variable speed steering drive 32 and rotates to promote the walking wheel 21 roll of installing support 2 lower part, make reflection of light power failure characters billboard 1 open gradually, control driving motor 31 stop motion when reflection of light power failure characters billboard 1 reaches the expansion position; when the power supply of the road tunnel is recovered, the controller 5 controls the driving motor 31 to rotate reversely through the frequency converter, the rotating rod 22 and the walking wheel 21 at the lower part of the mounting bracket 2 drive the light-reflecting power-off character billboard 1 to be gradually folded, and when the light-reflecting power-off character billboard 1 returns to the folded position, the driving motor 31 stops moving again.

The above only is the detailed implementation manner of the present invention, not limiting the patent scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an automatic winding and unwinding devices of highway tunnel power failure notice board, includes reflection of light power failure characters notice board (1) and installing support (2), reflection of light power failure characters notice board (1) is fixed on installing support (2) upper portion, its characterized in that: lower part one end of installing support (2) is equipped with walking wheel (21), the lower part other end of installing support (2) is equipped with dwang (22) that links to each other with slewing mechanism (3), be equipped with driving motor (31), variable speed in slewing mechanism (3) and turn to driver (32) and travel switch (33), the output of driving motor (31) with the input that the variable speed turned to driver (32) links to each other, the variable speed turn to the output of driver (32) with dwang (22) link to each other, it can touch still to be equipped with on dwang (22) detection pole (23) of travel switch (33).

2. The automatic retraction device for the power failure billboard of the road tunnel according to claim 1, is characterized in that: travel switch (33) include two, are used for detecting respectively reflection of light power failure characters notice board (1) expand the position and pack up the position.

3. The automatic retraction device for the power failure billboard of the road tunnel according to claim 1, is characterized in that: an output shaft end with an upward connecting surface is arranged in the variable-speed steering driver (32), and the rotating rod (22) is connected with the output shaft end of the variable-speed steering driver (32) downward.

4. The automatic retraction device for the power failure billboard of the road tunnel according to claim 1, is characterized in that: the driving motor (31) is connected with the controller (5) through the frequency converter (4), and the travel switch (33) is electrically connected with the controller (5).

5. The automatic retraction device for the power failure billboard of the road tunnel according to claim 4, is characterized in that: the frequency converter (4) and the controller (5) are arranged in the automatic control box (6), and the automatic control box (6) is arranged on the outer side of the road guardrail.

6. The automatic retraction device for the power failure billboard of the road tunnel according to claim 4, is characterized in that: the drive motor (31), the frequency converter (4) and the controller (5) are also connected with a UPS (uninterrupted power supply) (7).

7. The automatic retraction device for the power failure billboard of the road tunnel according to claim 1, is characterized in that: the driving motor (31), the variable speed steering driver (32) and the travel switch (33) are arranged in the waterproof box body (8), and the waterproof box body (8) is tightly attached to the road guardrail.

8. The automatic retraction device for the power failure billboard of the road tunnel according to claim 1, is characterized in that: the driving motor (31) is an alternating current motor capable of rotating positively and negatively.