A voice prompt signboard for a road roller

CN224784751UActive Publication Date: 2026-09-22GUIZHOU ROAD & BRIDGE GRP
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Patent Information

Application Number
CN202522120132.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-30
Publication Date
2026-09-22
Estimated Expiration
2035-09-30

AI Technical Summary

Technical Problem

一般会在压路机前方悬挂带有反光标识的的警示牌,对来往的车辆、行人进行警示,但是常规的静态标志牌在光线昏暗或者视线受阻的情况下,标志牌的警示作用会下降,而且压路机工作环境较为嘈杂,操作员的呼喊可能会被噪音淹没,警示效果受限

Benefits of technology

1、通过音箱和扩音罩的配合,能够对音箱发出的声音进行有效地放大和定向传播,同时灯条能够发出警示灯光,集成了语音提示和灯光提示,有效地增强了标识牌的警示效果,在光线不足以及嘈杂的环境下,提升其醒目度与穿透了,提升了作业的安全性;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of signboard, disclose a road roller equipment voice prompt signboard, including signboard and hanger, one side of hanger top is equipped with connecting plate, is equipped with through -hole on hanger, the symmetrical support angle frame that is equipped with on both sides of through -hole on hanger, signboard is connected and is established between two support angle frames through connecting component, is equipped with the light bar on support angle frame outside, the loudspeaker box is connected below signboard on hanger, the loudspeaker box is covered and is equipped with the sound amplification cover on the outside of loudspeaker box on hanger, is equipped with battery box on hanger, is equipped with battery in battery box, loudspeaker box, light bar all are connected with battery box electrically through wire. The utility model integrates voice prompt and light prompt, can be under the insufficient light and noisy environment, improve the eye -catching degree and the penetrating power of warning, strengthen the warning effect, improve the security of operation.
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Description

Technical Field

[0001] This utility model relates to the field of sign technology, specifically to a voice prompt sign for road roller equipment. Background Technology

[0002] In highway construction and other similar scenarios, road rollers are important road surface compaction equipment. Their operation is often accompanied by close collaboration between construction workers and the movement of various vehicles and personnel. Warning signs with reflective markings are usually hung in front of the road roller to alert passing vehicles and pedestrians. However, the warning effect of conventional static signs decreases in dim lighting or obstructed visibility. Furthermore, the road roller's working environment is often noisy, and the operator's shouts may be drowned out by the noise, limiting the warning effect. Utility Model Content

[0003] (I) Technical problems to be solved The technical problem to be solved by this utility model is to overcome the shortcomings of the limited warning effect of the above-mentioned signs and to provide a voice prompt sign for road roller equipment.

[0004] (II) Technical Solution To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a voice prompt sign for a road roller, including a sign and a bracket. A connecting plate is provided on one side of the top of the bracket. A through hole is provided on the bracket. Support brackets are symmetrically provided on the bracket above and below the through hole. The sign is snapped between the two support brackets by a connecting component. A light strip is provided on the outer surface of the support bracket. A speaker is connected to the bracket below the sign. A sound amplification cover is provided on the bracket outside the speaker. A battery box is provided on the bracket. A storage battery is provided in the battery box. The speaker and the light strip are electrically connected to the battery box through wires.

[0005] As an improvement: the loudspeaker cover is a frustum structure with the diameter gradually increasing towards the side away from the bracket, and the inner corners of the loudspeaker cover are all rounded.

[0006] As an improvement: the top of the hanging frame is connected to a shelf by a pole, one end of the shelf above the hanging frame extends to the top of the connecting plate, and the shelf in front of the hanging frame has an arc-shaped structure.

[0007] As an improvement, a photovoltaic panel is installed on the upper surface of the canopy above the hanging bracket. The photovoltaic panel is electrically connected to the battery box through a photovoltaic controller.

[0008] As an improvement: one side of the bracket is provided with a slot communicating with the through hole, and a fixing plate is connected to the center of the through hole. The fixing plate is provided with a plug hole. The connecting component includes a plug fixed to the back of the sign. The plug is an L-shaped structure that is adapted to the plug hole. The top of the plug is provided with multiple limiting grooves. The fixing plate is provided with a groove. A sliding plate is connected to the groove by multiple springs. The sliding plate is arrayed with limiting blocks in the same number as the limiting grooves. One end of the limiting block extends into the plug hole.

[0009] As an improvement: the fixing plate is provided with a sliding hole communicating with the groove, the sliding plate is provided with a push plate that slides in the sliding hole, the limiting block is a one-way tooth structure, and the upper corner of the plug is a chamfered structure that matches the limiting block.

[0010] (III) Beneficial Effects The advantages of this utility model compared with the prior art are as follows: 1. By combining the speaker and the loudspeaker enclosure, the sound emitted by the speaker can be effectively amplified and directionally propagated. At the same time, the light strip can emit warning lights, integrating voice prompts and light prompts, effectively enhancing the warning effect of the sign. In low light and noisy environments, it improves its visibility and penetration, thereby improving the safety of the operation. 2. The signboard is connected to the bracket via a connecting component, which facilitates the disassembly and replacement of the signboard to adapt to different scene requirements. Attached Figure Description

[0011] Figure 1 This is a structural schematic diagram of a voice prompt sign for a road roller equipment according to this utility model.

[0012] Figure 2 yes Figure 1 A schematic diagram of the rear side view of the bracket structure.

[0013] Figure 3 yes Figure 1 A schematic diagram of the rear side view of the signage.

[0014] Figure 4 yes Figure 2 A schematic diagram of the rear view structure.

[0015] Figure 5 yes Figure 4 A magnified schematic diagram of part A in the middle.

[0016] [Explanation of Labels in the Attached Image] 1. Signage; 2. Hanger; 3. Connecting plate; 4. Through hole; 5. Support bracket; 6. Light strip; 7. Speaker; 8. Speaker cover; 9. Battery box; 10. Shelf panel; 11. Photovoltaic panel; 12. Slot; 13. Fixing plate; 14. Socket; 15. Insert; 16. Limiting groove; 17. Groove; 18. Spring; 19. Slide plate; 20. Limiting block; 21. Sliding hole; 22. Push plate. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings. Identical components are indicated by the same reference numerals.

[0018] It should be noted that the terms “front,” “back,” “left,” “right,” “up,” and “down” used in the following description refer to the directions shown in the attached diagram, while the terms “inside” and “outside” refer to the directions toward or away from the geometric center of a specific component, respectively.

[0019] To make the content of this utility model easier to understand, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0020] Combined with appendix Figure 1 and Figure 2 As shown, a voice prompt sign for a road roller includes a sign 1 and a bracket 2. A connecting plate 3 is provided on one side of the top of the bracket 2. A through hole 4 is provided on the bracket 2. Support brackets 5 are symmetrically provided on the bracket 2 above and below the through hole 4. The sign 1 is snapped between the two support brackets 5 by a connecting component. Combined with appendix Figures 2 to 5 As shown, the bracket 2 has a slot 12 on one side that communicates with the through hole 4. A fixing plate 13 is connected to the center of the through hole 4. The fixing plate 13 has an insertion hole 14. The connecting component includes a plug 15 fixed to the back of the sign 1. The plug 15 is an L-shaped structure that matches the insertion hole 14. The top of the plug 15 has multiple limiting grooves 16. The fixing plate 13 has a groove 17. The groove 17 is connected to a sliding plate 19 by multiple springs 18. The sliding plate 19 has a number of limiting blocks 20 arranged in the same number as the limiting grooves 16. One end of the limiting block 20 extends into the insertion hole 14 and has a sliding hole 21 that communicates with the groove 17. The sliding plate 19 has a push plate 22 that slides in the sliding hole 21. The limiting block 20 has a one-way tooth structure, and the upper corner of the plug 15 has a chamfered structure that matches the limiting block 20. When installing sign 1, the spacer insert 15 is aligned with the slot 12 and then slid in. During the insertion of insert 15 into the socket 14, the chamfer of insert 15 acts on the limiting block 20 of the one-way tooth structure. With the cooperation of spring 18, the limiting block 20 retracts into the groove 17. After insert 15 is fully inserted, the limiting block 20 is inserted into the limiting groove 16 under the action of spring 18, forming a mechanical lock and firmly fixing sign 1 to ensure stability during use. If you want to replace sign 1, simply slide the push plate 22 to the side of the sliding hole 21 to quickly remove sign 1 for replacement, adapting to different working scenarios.

[0021] Combined with appendix Figure 1 As shown, a light strip 6 is provided on the outer side of the support bracket 5. A speaker 7 is connected to the bracket 2 below the sign 1. A sound amplification cover 8 is provided on the bracket 2 outside the speaker 7. The sound amplification cover 8 is a frustum-shaped structure with the diameter gradually increasing away from the bracket 2. The inner corners of the sound amplification cover 8 are all rounded. This design can effectively amplify the sound wave energy emitted by the speaker 7. The rounded corner design can reduce the diffraction and scattering of sound waves, improve the efficiency and loudness of sound output, and thus effectively warn surrounding personnel and vehicles. Combined with appendix Figure 1 and Figure 2 As shown, the bracket 2 is equipped with a battery box 9, which contains a storage battery. The speaker 7 and the light strip 6 are electrically connected to the battery box 9 via wires. The storage battery in the battery box 9 provides the power required for the speaker 7 to provide voice prompts and the light strip 6 to provide light prompts. The upper surface of the canopy above the bracket 2 is equipped with a photovoltaic panel 11. The photovoltaic panel 11 is electrically connected to the battery box 9 via a photovoltaic controller. The photovoltaic panel 11 can convert light energy into electrical energy and store it in the storage battery, making it more energy-efficient and environmentally friendly. Combined with appendix Figure 1 As shown, the top of the bracket 2 is connected to the canopy 10 by a pole. One end of the canopy 10 located above the bracket 2 extends to the top of the connecting plate 3. The canopy 10 located in front of the bracket 2 has an arc-shaped structure. This structure can reduce forward resistance. The canopy 10 provides a certain function of sunshade and rain protection, which can protect the sign 1, speaker 7 and other components below from sun and rain and extend their service life.

[0022] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A voice prompt sign for a road roller, comprising a sign (1) and a bracket (2), wherein a connecting plate (3) is provided on one side of the top of the bracket (2), characterized in that: The hanging bracket (2) has a through hole (4), and the hanging bracket (2) is symmetrically provided with support brackets (5) on the upper and lower sides of the through hole (4). The sign (1) is connected between the two support brackets (5) by a connecting component. The outer surface of the support bracket (5) is provided with a light strip (6). A speaker (7) is connected to the bracket (2) below the signboard (1), and an amplification cover (8) is provided on the bracket (2) outside the speaker (7). The bracket (2) is equipped with a battery box (9), which contains a storage battery. The speaker (7) and the light strip (6) are electrically connected to the battery box (9) via wires.

2. The voice prompt sign for a road roller as described in claim 1, characterized in that: The loudspeaker cover (8) is a frustum structure with a diameter that gradually increases toward the side away from the bracket (2), and the inner corners of the loudspeaker cover (8) are all rounded.

3. The voice prompt sign for a road roller as described in claim 1, characterized in that: The top of the hanging frame (2) is connected to a shelf (10) by a pole. One end of the shelf (10) above the hanging frame (2) extends to the top of the connecting plate (3). The shelf (10) in front of the hanging frame (2) has an arc-shaped structure.

4. The voice prompt sign for a road roller as described in claim 3, characterized in that: A photovoltaic panel (11) is installed on the upper surface of the shed above the hanging frame (2). The photovoltaic panel (11) is electrically connected to the battery box (9) through a photovoltaic controller.

5. The voice prompt sign for a road roller as described in claim 1, characterized in that: The bracket (2) has a slot (12) on one side that communicates with the through hole (4). A fixing plate (13) is connected to the center of the through hole (4). A socket (14) is opened on the fixing plate (13). The connecting component includes a plug (15) fixed on the back of the sign (1). The plug (15) is an L-shaped structure that is adapted to the socket (14). Multiple limiting grooves (16) are opened on the top of the plug (15). A groove (17) is provided in the fixing plate (13). A sliding plate (19) is connected in the groove (17) by multiple springs (18). The sliding plate (19) has a number of limiting blocks (20) arranged in the same number as the limiting grooves (16). One end of the limiting block (20) extends into the socket (14).

6. The voice prompt sign for a road roller as described in claim 5, characterized in that: The fixed plate (13) is provided with a sliding hole (21) communicating with the groove (17), and the sliding plate (19) is provided with a push plate (22) that slides in the sliding hole (21). The limiting block (20) is a one-way tooth structure, and the upper corner of the plug (15) is a chamfered structure that matches the limiting block (20).