Portable information board for tunnel

Abstract

The utility model discloses a portable information board for a tunnel, which belongs to the technical field of tunnel display equipment and comprises an arc-shaped board fixedly connected to the arc-shaped inner wall of the top of the tunnel and a groove formed in the inner side wall of the tunnel, and the groove is close to one side of the bottom of the arc-shaped board. Two vertical rods are fixedly connected to the position, located at the top of the tunnel, below the end of the arc-shaped plate in the vertical direction, positioning buffer cylinders are connected to the bottoms of the two vertical rods correspondingly, a protection frame is fixedly connected to the bottom ends of the two positioning buffer cylinders, and an information board large screen is installed in the protection frame. The rolling structure is adopted to control the protection frame provided with the information board large screen to ascend and descend, the efficiency of repairing or replacing the faulted information board large screen is higher, the time is shorter, dust attached to the outer surface of the information board large screen can be cleaned, and therefore the problem that the dust is accumulated on the surface of the information board large screen and influences observation is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel display equipment, in particular to a convenient information board in a tunnel. Background Art

[0002] With the continuous development of urban transportation, tunnels, as an important part of road traffic, are becoming more and more important in terms of safety and traffic efficiency. In order to improve driving safety and information transmission efficiency in tunnels, convenient tunnel information boards have emerged. Tunnel information boards are an important tool for road traffic management, which can provide drivers with real-time information such as road conditions, speed limits, and emergency prompts, helping drivers make appropriate driving decisions.

[0003] Tunnel information boards are usually hung in the middle of the top of the tunnel. After long-term use, they are prone to malfunction or damage, and then they need to be repaired or replaced. In the prior art, since the installation height of the tunnel information board itself is fixed and cannot be adjusted, it is necessary to set up a frame for high-altitude operations when repairing or replacing the tunnel information board. On the one hand, this method is time-consuming, resulting in a longer tunnel closure time, resulting in lower results, and on the other hand, high-altitude operations are also dangerous; at the same time, after long-term use, some dust will adhere to the surface of the tunnel information board, affecting the brightness of the tunnel information board's display screen, that is, affecting observation. Utility Model Content

[0004] Therefore, the utility model provides a convenient information board for a tunnel to solve the technical problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a convenient tunnel information board, comprising an arc-shaped plate fixedly connected to the arc-shaped inner wall at the top of the tunnel and a groove opened on the inner wall of the tunnel, wherein the groove is close to the bottom side of the arc-shaped plate, and the lower end of the arc-shaped plate is located at the top position of the tunnel and is fixedly connected to two vertical rods in the vertical direction, the bottoms of the two vertical rods are connected to positioning buffer cylinders, the bottom ends of the two positioning buffer cylinders are fixedly connected to protective frames, a large information board screen is installed inside the protective frame, a connecting block is arranged at the top center of the large information board screen, and the top inner wall of the arc-shaped plate A first guide wheel is installed above the connecting block, a fixing frame is fixedly connected to the inner wall of the groove, a winding roller is installed on the inner side of the end of the fixing frame, and a motor for driving the winding roller to rotate is installed on the outer wall of the fixing frame, a control switch box is provided at the bottom of the groove, a plurality of second guide wheels are installed on the inner wall of the arc plate between the first guide wheel and the winding roller, a traction wire rope is wound around the outside of the winding roller, one end of the traction wire rope is wrapped around the second guide wheel and the outside of the first guide wheel and fixedly connected to the connecting block, and a cleaning mechanism for cleaning the large screen of the information board is provided on the top of the protective frame.

[0006] As a further improvement of the technical solution of the utility model, a hole for connecting the end of the traction wire rope is provided inside the connecting block, and the connecting block and the bottom of the positioning buffer cylinder and the top of the protective frame are fixedly connected by screws.

[0007] As a further improvement of the technical solution of the utility model, the top end of the vertical rod is fixedly connected to the inner wall of the arc plate by screws, the interior of the positioning buffer cylinder is provided with a groove for inserting the vertical rod, the bottom of the groove is provided with a buffer block, and the top of the positioning buffer cylinder is provided with a bell mouth.

[0008] As a further improvement of the technical solution of the utility model, the top connecting frame of the first guide wheel and the second guide wheel is fixedly connected to the inner side wall of the arc plate by screws.

[0009] As a further improvement of the technical solution of the utility model, the fixing frame is fixedly connected to the inner wall of the groove by bolts, and the motor is fixedly connected to the outer wall of the end of the fixing frame by bolts.

[0010] As a further improvement of the technical solution of the utility model, the cleaning mechanism includes a fan fixedly connected to the top of the protective frame, the air outlet end of the fan is connected to the top of the protective frame, the top of the protective frame is provided with an air cavity connected to the air outlet end of the fan, and the bottom of the air cavity is located above the large screen of the information board and is evenly provided with a plurality of air outlet holes.

[0011] As a further improvement of the technical solution of the utility model, a connection port is provided at the top of the protection frame corresponding to the end connection of the fan, and an air inlet connected to the air cavity is provided on the inner side of the top of the protection frame located at the connection port.

[0012] As a further improvement of the technical solution of the utility model, the fan is fixedly connected to the top of the protection frame by screws.

[0013] The utility model has the following advantages:

[0014] 1. The utility model adopts a winding structure to control the lifting of the protective frame equipped with the information board large screen. When in use, the control switch box is turned on to control the operation of the motor, driving the winding roller to rotate and release the traction wire rope. The protective frame equipped with the information board large screen slowly descends due to gravity. After descending to the required position, the information board large screen can be quickly repaired or replaced. After the repair or replacement is completed, the rotor of the motor is controlled to reverse and drive the winding roller to rotate in the opposite direction to rewind the traction wire rope. At this time, the protective frame equipped with the information board large screen slowly rises. Through the vertical rod and the positioning buffer cylinder, the positioning buffer cylinder with a trumpet structure can be sleeved on the outside of the vertical rod during the rising process of the protective frame, and the insertion limit of the vertical rod is used to maintain the overall stability of the protective frame in the horizontal direction during the gradual rising process. Compared with the prior art that requires the installation of a frame for high-altitude operation when repairing or replacing the information board large screen, the repair or replacement efficiency is higher and the time is shorter;

[0015] 2. By setting up a cleaning mechanism, when in use, the fan is controlled to compress the external air, and the compressed air is blown into the wind cavity at the top of the protective frame, and the dust attached to the outer surface of the information board screen is cleaned through the air outlet at the bottom of the wind cavity, thereby reducing the accumulation of dust on the surface of the information board screen that affects observation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0017] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of each connecting structure on the protection frame of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the positioning buffer cylinder in the utility model;

[0021] Figure 4 For this utility model Figure 2 A magnified view of part A;

[0022] In the figure: 1. curved plate; 2. vertical rod; 3. positioning buffer cylinder; 4. protective frame; 5. information board screen; 6. connecting block; 7. first guide wheel; 8. groove; 9. fixing frame; 10. winding roller; 11. motor; 12. control switch box; 13. second guide wheel; 14. traction wire rope; 15. fan; 16. wind cavity; 17. air inlet; 18. connecting port; 19. air outlet; 301. bell mouth; 302. buffer block. DETAILED DESCRIPTION

[0023] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Refer to the instruction manual Figure 1-4 A convenient tunnel information board shown in the figure comprises an arc-shaped plate 1 fixedly connected to the arc-shaped inner wall at the top of the tunnel and a groove 8 opened on the inner wall of the tunnel, the groove 8 is close to the bottom side of the arc-shaped plate 1, and the lower end of the arc-shaped plate 1 is located at the top position of the tunnel and is fixedly connected to two vertical rods 2 in the vertical direction, the bottoms of the two vertical rods 2 are connected to positioning buffer cylinders 3, the bottom ends of the two positioning buffer cylinders 3 are fixedly connected to protective frames 4, and a large information board screen 5 is installed inside the protective frame 4, a connecting block 6 is arranged at the top center of the large information board screen 5, and a first guide wheel is installed on the top inner wall of the arc-shaped plate 1 above the connecting block 6 7. A fixing frame 9 is fixedly connected to the inner wall of the groove 8, a winding roller 10 is installed on the inner side of the end of the fixing frame 9, and a motor 11 for driving the winding roller 10 to rotate is installed on the outer wall of the fixing frame 9. A control switch box 12 is arranged at the bottom of the groove 8. A plurality of second guide wheels 13 are installed on the inner wall of the arc plate 1 between the first guide wheel 7 and the winding roller 10. A traction wire rope 14 is wound around the outside of the winding roller 10. One end of the traction wire rope 14 passes around the second guide wheel 13 and the outside of the first guide wheel 7 and is fixedly connected to the connecting block 6. A cleaning mechanism for cleaning the information board screen 5 is arranged on the top of the protective frame 4.

[0025] As attached Figure 1-2As shown, a hole for connecting the end of the traction wire rope 14 is provided inside the connecting block 6, which facilitates the connection between the traction wire rope 14 and the connecting block 6. The connecting block 6 and the bottom of the positioning buffer cylinder 3 are fixedly connected to the top of the protective frame 4 by screws, which facilitates the stable connection of the connecting block 6 and the positioning buffer cylinder 3 to the top of the protective frame 4.

[0026] As attached Figure 1-3 As shown, the top of the vertical rod 2 is fixedly connected to the inner wall of the arc plate 1 by screws, and a groove for inserting the vertical rod 2 is arranged inside the positioning buffer cylinder 3, and a buffer block 302 is arranged at the bottom of the groove, and a trumpet mouth 301 is arranged on the top of the positioning buffer cylinder 3, so that during the lifting and lowering process of the protective frame 4, the vertical rod 2 can be stably inserted into the interior of the positioning buffer cylinder 3 and buffered by the buffer block 302. The buffer block 302 is preferably a rubber or spring structure.

[0027] As attached Figure 1 As shown, the top connecting frames of the first guide wheel 7 and the second guide wheel 13 are fixedly connected to the inner side wall of the arc plate 1 by screws, so as to facilitate the installation and fixation of the first guide wheel 7 and the second guide wheel 13.

[0028] As attached Figure 1 As shown, the fixing frame 9 is fixedly connected to the inner wall of the groove 8 by bolts, and the motor 11 is fixedly connected to the outer wall of the end of the fixing frame 9 by bolts, so as to facilitate the connection and fixation of the fixing frame 9 and the motor 11.

[0029] As attached Figure 1-2 and attached Figure 4 As shown, the cleaning mechanism includes a fan 15 fixedly connected to the top of the protective frame 4, the air outlet end of the fan 15 is connected to the top of the protective frame 4, the top of the protective frame 4 is provided with a wind cavity 16 connected to the air outlet end of the fan 15, the bottom of the wind cavity 16 is located above the information board large screen 5 and is evenly provided with a plurality of air outlet holes 19, the top of the protective frame 4 is provided with a connection port 18 corresponding to the end connection of the fan 15, and the top of the protective frame 4 is located on the inner side of the connection port 18 and is provided with an air inlet 17 connected to the wind cavity 16, the fan 15 and the top of the protective frame 4 are fixedly connected by screws, and the cleaning mechanism is provided to facilitate dust blowing treatment on the outer surface of the information board large screen 5 when in use.

[0030] The use process of the utility model is as follows: the edge of the information board screen 5 is fixed with a protective frame 4, and the winding structure is used to control the protective frame 4 equipped with the information board screen 5 to be raised and lowered. When in use, the control switch box 12 is turned on to control the motor 11 to run, driving the winding roller 10 to rotate to release the traction wire rope 14, and the protective frame 4 equipped with the information board screen 5 slowly drops due to gravity. After dropping to the required position, the information board screen 5 can be quickly repaired or replaced. When the repair or replacement is completed, the rotor of the motor 11 is controlled to reverse and drive the winding roller 10 to rotate in the opposite direction to rewind the traction wire rope 14. At this time, the protective frame 4 equipped with the information board screen 5 slowly rises, and the protective frame 4 is raised by the vertical rod 2 and the positioning buffer cylinder 3. During the process, the positioning buffer cylinder 3 with the trumpet mouth 301 structure can be sleeved on the outside of the vertical rod 2, and the insertion limit of the vertical rod 2 is used to maintain the overall stability of the protective frame 4 in the horizontal direction during the gradual rising process. Compared with the prior art that requires the installation of a frame for high-altitude operation when repairing or replacing the information board screen 5, the repair or replacement efficiency is higher and the time is shorter; at the same time, by setting up a cleaning mechanism, when in use, the fan 15 is controlled to run compressed external air, and the compressed air is blown into the wind cavity 16 at the top of the protective frame 4, and the dust attached to the outer surface of the information board screen 5 is cleaned through the air outlet 19 at the bottom of the air cavity 16, thereby reducing the accumulation of dust on the surface of the information board screen 5 and affecting observation.

[0031] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

[0032] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

Claims

1. A convenient tunnel information board, characterized in that: The invention comprises an arc-shaped plate (1) fixedly connected to the arc-shaped inner wall at the top of the tunnel and a groove (8) opened on the inner wall of the tunnel, wherein the groove (8) is close to the bottom side of the arc-shaped plate (1), and two vertical rods (2) are fixedly connected to the top position of the tunnel below the end of the arc-shaped plate (1), and the bottoms of the two vertical rods (2) are connected to positioning buffer cylinders (3), and the bottom ends of the two positioning buffer cylinders (3) are fixedly connected to a protective frame (4), and an information board screen (5) is installed inside the protective frame (4), and a connecting block (6) is arranged at the top center of the information board screen (5), and a first guide wheel (7) is installed on the top inner wall of the arc-shaped plate (1) above the connecting block (6), and the inner wall of the groove (8) is fixedly connected to the inner wall of the arc-shaped plate (1) and the first guide wheel (7) is fixedly connected to the inner wall of the groove (8). A fixed frame (9) is fixedly connected, a winding roller (10) is installed on the inner side of the end of the fixed frame (9), and a motor (11) for driving the winding roller (10) to rotate is installed on the outer wall of the fixed frame (9), a control switch box (12) is arranged at the bottom of the groove (8), a plurality of second guide wheels (13) are installed on the inner wall of the arc plate (1) between the first guide wheel (7) and the winding roller (10), a traction wire rope (14) is wound around the outside of the winding roller (10), one end of the traction wire rope (14) is passed around the second guide wheel (13) and the outside of the first guide wheel (7) and is fixedly connected to the connecting block (6), and a cleaning mechanism for cleaning the information board large screen (5) is arranged on the top of the protective frame (4).

2. The portable tunnel information board according to claim 1, characterized in that: The connection block (6) is provided with a hole for connecting the end of the traction wire rope (14), and the connection block (6) and the bottom of the positioning buffer cylinder (3) and the top of the protection frame (4) are fixedly connected by screws.

3. The portable tunnel information board according to claim 1, characterized in that: The top end of the vertical rod (2) is fixedly connected to the inner wall of the arc-shaped plate (1) by means of screws; a groove for inserting the vertical rod (2) is provided inside the positioning buffer cylinder (3); a buffer block (302) is provided at the bottom of the groove; and a bell mouth (301) is provided at the top of the positioning buffer cylinder (3).

4. The portable tunnel information board according to claim 1, characterized in that: The top connecting frames of the first guide wheel (7) and the second guide wheel (13) are fixedly connected to the inner side wall of the arc-shaped plate (1) by means of screws.

5. The portable tunnel information board according to claim 1, characterized in that: The fixing frame (9) is fixedly connected to the inner wall of the groove (8) by means of bolts, and the motor (11) is fixedly connected to the outer wall of the end of the fixing frame (9) by means of bolts.

6. The portable tunnel information board according to claim 1, characterized in that: The cleaning mechanism comprises a fan (15) fixedly connected to the top of the protection frame (4); the air outlet end of the fan (15) is connected to the top of the protection frame (4); the top of the protection frame (4) is provided with an air cavity (16) connected to the air outlet end of the fan (15); the bottom of the air cavity (16) is located above the information board screen (5) and is evenly provided with a plurality of air outlet holes (19).

7. The portable tunnel information board according to claim 6, characterized in that: A connection port (18) is provided at the top of the protection frame (4) corresponding to the end connection of the fan (15), and an air inlet (17) communicating with the air cavity (16) is provided at the top of the protection frame (4) and located inside the connection port (18).

8. The portable tunnel information board according to claim 6, characterized in that: The fan (15) is fixedly connected to the top of the protection frame (4) by means of screws.

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