Safety management signboard for urban rail transit construction engineering

By designing adjustable safety management signs, the installation problem in areas without guardrails and fencing was solved, enabling flexible use and replacement of signs and expanding their application scope.

CN223780736UActive Publication Date: 2026-01-09SHANXI CHENGJI RAILWAY CO LTD
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Patent Information

Application Number
CN202423248274.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-01-09
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The existing safety management signs for urban rail transit construction projects cannot be installed in areas without guardrails or barriers, thus limiting their scope of use.

Method used

A safety management signboard including a fixed frame, a trough, a cylinder, a rod, and a limiting mechanism has been designed. The device can be adjusted and installed through a hinged seat and limiting bolts, and can be used in areas without guardrails. It also supports the disassembly and replacement of warning signs of different sizes and models.

Benefits of technology

The scope of application of the signage has been expanded, enabling it to provide safety warnings in construction sites without guardrails, and it also supports flexible replacement of signs, thus improving the applicability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a safety management signboard for urban rail transit construction engineering, which comprises a fixing frame, the bottom of the fixing frame is fixedly connected with a groove body, the inside of the groove body is symmetrically hinged with a first cylinder body through a hinge seat, and the first cylinder body is pulled to overturn in the groove body through the hinge seat. A first limiting bolt is further utilized to limit and fix the position between a first cylinder body and the groove body, and a first rod body is further pulled to slide in the first cylinder body, so that the distance between the arc-shaped supporting column and the groove body is adjusted; furthermore, an arc-shaped supporting column is placed on the ground, a mounting net plate is pulled to slide in a second barrel through a hinge seat and a second rod body, so that the mounting net plate is turned over to a vertical angle in a fixing frame, and the device can be used in a place without being surrounded by a guardrail; and the application range of the device is further expanded.
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Description

Technical Field

[0001] This utility model relates to the field of warning technology for urban rail transit construction, specifically a safety management sign for urban rail transit construction projects. Background Technology

[0002] Urban rail transit includes: subway systems, light rail systems, monorail systems, trams, maglev systems, automated guided train systems, and urban rapid transit systems. In addition, other new transportation systems have emerged with the development of transportation systems. During the construction of urban rail transit systems, deep pits are often excavated, requiring the installation of safety signs to serve as warnings and ensure safety.

[0003] A search revealed patent application number 202121516413.7, which discloses a safety management sign for urban rail transit construction projects. The sign includes a main body comprising a plate with several sliders surrounding it. Frame-shaped grooves matching the sliders are arranged around the side walls of the plate. The sliders have a T-shaped cross-section, and each slider is equipped with a fixing component. A marking component is fixedly mounted on the front end of the plate, and solar power generation components are mounted on both the front and rear sides of the plate. However, this patent has the following shortcomings: while the device can be installed on various guardrails, it cannot be installed in areas without guardrails, thus limiting its application. Therefore, this paper proposes a safety management sign for urban rail transit construction projects to optimize and solve these problems. Utility Model Content

[0004] The purpose of this utility model is to provide a safety management sign for urban rail transit construction projects to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A safety management sign for urban rail transit construction projects includes a fixed frame. A groove is fixedly connected to the bottom of the fixed frame. A first cylinder is symmetrically hinged to the inside of the groove via a hinge seat. A first rod is slidably connected inside the first cylinder. An arc-shaped support column is fixedly connected to one end of the first rod. An installation mesh plate is rotatably connected to the inner wall of the fixed frame via a rotating bearing. A second rod is symmetrically hinged to the bottom of the installation mesh plate via a hinge seat. A second cylinder is slidably sleeved on the outer side of one end of the second rod. One end of the second cylinder is hinged to the bottom inner side of the fixed frame via a hinge seat. A warning sign is placed on top of the mounting mesh plate. Multiple limiting mechanisms are evenly spaced on the outer side of the warning sign. Each limiting mechanism includes a Z-shaped workpiece, a screw, a swivel ring, and a clamping plate. The Z-shaped workpiece is fixedly connected to the top of the mounting mesh plate by fixing bolts. The outer side of the Z-shaped workpiece is tightly fitted to the outer side of the warning sign. The screw vertically penetrates the Z-shaped workpiece. One end of the screw is fixedly connected to the swivel ring, and the other end of the screw is rotatably connected to the outer side of the clamping plate through a bearing seat. The bottom of the clamping plate is tightly fitted to the outer side of the warning sign. Multiple hanging rings are fixedly connected at equal intervals on the rear surface of the trough.

[0007] As a further embodiment of this utility model: a first limiting bolt is provided on the first cylinder, the first limiting bolt passes through the groove laterally, the groove is provided with an arc-shaped opening for the first limiting bolt to pass through, and the first cylinder is provided with a threaded through hole for the threaded connection of the first limiting bolt.

[0008] As a further improvement of this utility model: a second limiting bolt is provided on the first cylinder, and a threaded through hole for threaded connection of the second limiting bolt is provided on the first cylinder.

[0009] As a further improvement of this utility model: a third limiting bolt is provided on the second cylinder, and a threaded through hole for threaded connection of the third limiting bolt is provided on the second cylinder.

[0010] As a further improvement of this utility model: the warning sign is provided with multiple LED warning signs, and the warning sign is provided with a control switch and a power supply inside.

[0011] As a further embodiment of this utility model: the Z-shaped workpiece is provided with a through hole for fixing bolts to pass through, the mounting mesh plate is provided with a plurality of threaded through holes for fixing bolts to be threaded together at equal intervals, the Z-shaped workpiece is provided with a threaded through hole for screw thread connection, and the outer side of the clamping plate is in contact with and slidably connected to the inner wall of the Z-shaped workpiece.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] By setting up a mechanism to pull the first cylinder body and rotate it within the groove using the hinge seat until the arc-shaped support column is perpendicular to the ground, and then using the first limiting bolt to limit and fix the position between the first cylinder body and the groove body, and then adjusting the distance between the arc-shaped support column and the groove body by pulling the first rod body to slide within the first cylinder body, and then by placing the arc-shaped support column on the ground, and then by pulling the installation mesh plate and using the hinge seat and the second rod body to slide within the second cylinder body, the installation mesh plate is rotated to a vertical angle within the fixed frame. This allows the device to be used in places without guardrails, further expanding the range of applications of the device.

[0014] By setting fixed bolts in the disassembly and assembly limit mechanism, displacing the Z-shaped workpiece on the mounting plate, and moving the clamping plate at the bottom of the screw by rotating the rotating ring, the device can disassemble and replace warning signs of different sizes and models. Attached Figure Description

[0015] Figure 1 A schematic diagram of the structure of safety management signs for urban rail transit construction projects.

[0016] Figure 2 A partial structural diagram of a safety management sign used in urban rail transit construction projects.

[0017] Figure 3 A top view of a partial structure in a safety management sign for urban rail transit construction projects.

[0018] Figure 4 This is a front view of a safety management sign used in urban rail transit construction projects.

[0019] Figure 5 Rear view of a safety management sign for urban rail transit construction projects.

[0020] The following components are shown in the figure: 1. Fixing frame; 2. Groove; 3. First cylinder; 4. First rod; 5. Arc-shaped support column; 6. Mounting mesh plate; 7. Second rod; 8. Second cylinder; 9. Warning sign; 10. Limiting mechanism; 11. Z-shaped workpiece; 12. Screw; 13. Rotary ring; 14. Clamping plate; and 15. Hanging ring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-5 In this embodiment of the utility model, a safety management sign for urban rail transit construction projects includes a fixed frame 1, a groove 2, a first cylinder 3, a first rod 4, an arc-shaped support column 5, an installation mesh plate 6, a second rod 7, a second cylinder 8, a warning sign 9, a limiting mechanism 10, a Z-shaped workpiece 11, a screw 12, a swivel ring 13, a clamping plate 14, and a hanging ring 15. The bottom of the fixed frame 1 is fixedly connected to the groove 2. The first cylinder 3 is symmetrically hinged inside the groove 2 through a hinge seat. A first limiting bolt is provided on the first cylinder 3, and the first limiting bolt transversely penetrates the groove 2. An arc-shaped opening for the first limiting bolt to pass through is provided on the groove 2. A threaded through hole for the threaded connection of the first limiting bolt is provided on the first cylinder 3. A second limiting bolt is provided on the first cylinder 3. The first cylindrical body 3 has a threaded through hole for threaded connection of the second limiting bolt. A first rod 4 is slidably connected inside the first cylindrical body 3. An arc-shaped support column 5 is fixedly connected to one end of the first rod 4. An installation mesh plate 6 is rotatably connected to the inner wall of the fixing frame 1 through a rotating bearing. A second rod 7 is symmetrically hinged to the bottom of the installation mesh plate 6 through a hinge seat. A second cylindrical body 8 is slidably sleeved on the outer side of one end of the second rod 7. A third limiting bolt is provided on the second cylindrical body 8. A threaded through hole for threaded connection of the third limiting bolt is provided on the second cylindrical body 8. One end of the second cylindrical body 8 is hinged to the bottom inner side of the fixing frame 1 through a hinge seat. A warning sign 9 is placed on the top of the installation mesh plate 6. Multiple LED warning signs are provided on the warning sign 9. A control switch and a power supply are provided inside the warning sign 9.

[0023] Multiple limiting mechanisms 10 are evenly spaced on the outer side of the warning sign 9. Each limiting mechanism 10 includes a Z-shaped workpiece 11, a screw 12, a rotating ring 13, and a clamping plate 14. The Z-shaped workpiece 11 is fixedly connected to the top of the mounting mesh plate 6 by fixing bolts. The Z-shaped workpiece 11 has through holes for the fixing bolts to pass through. The mounting mesh plate 6 has several threaded through holes for the fixing bolts to be threaded together at equal intervals. The outer side of the Z-shaped workpiece 11 is tightly fitted to the outer side of the warning sign 9. The screw 12 vertically passes through the Z-shaped workpiece 11. The Z-shaped workpiece 11 has threaded through holes for the screw 12 to be threaded together. One end of the screw 12 is fixedly connected to the rotating ring 13, and the other end of the screw 12 is rotatably connected to the outer side of the clamping plate 14 through a bearing seat. The bottom of the clamping plate 14 is tightly fitted to the outer side of the warning sign 9. The outer side of the clamping plate 14 is fitted to and slidably connected to the inner wall of the Z-shaped workpiece 11. Multiple hanging rings 15 are fixedly connected at equal intervals on the rear surface of the groove 2.

[0024] The working principle of this utility model is as follows:

[0025] When safety management signs for urban rail transit construction projects are required, personnel first carry the device to the protective fence outside the construction site. Then, using multiple hanging rings 15, they hang the device on the fence, completing the installation. Next, they activate the warning sign 9 to issue a safety warning. If the device needs to be placed on a construction site without a protective fence, the first cylinder 3 is pulled and rotated within the groove 2 using the hinged seat until the arc-shaped support column 5 is perpendicular to the ground. Finally, the first limiting bolt limits the position between the first cylinder 3 and the groove 2. The device is fixed in position. Further, by pulling the first rod 4 and sliding it in the first cylinder 3, the distance between the arc-shaped support column 5 and the groove 2 can be adjusted. Further, by placing the arc-shaped support column 5 on the ground, and by pulling the mounting mesh plate 6 and sliding it in the second cylinder 8 using the hinge seat and the second rod 7, the mounting mesh plate 6 can be flipped to a vertical angle in the fixed frame 1. Further, by activating the warning sign 9, a safety warning operation can be performed. Furthermore, by removing and installing the fixing bolts in the limiting mechanism 10 and displacing the Z-shaped workpiece 11 on the mounting mesh plate 6, and by rotating the rotating ring 13 to drive the clamping plate 14 at the bottom of the screw 12 to move, the device can disassemble and replace warning signs 9 of different sizes and models.

[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A safety management sign for urban rail transit construction projects, comprising a fixing frame (1), characterized in that: The bottom of the fixed frame (1) is fixedly connected to a groove (2). Inside the groove (2), a first cylinder (3) is symmetrically hinged via a hinge seat. Inside the first cylinder (3), a first rod (4) is slidably connected. One end of the first rod (4) is fixedly connected to an arc-shaped support column (5). The inner wall of the fixed frame (1) is rotatably connected to an installation mesh plate (6) via a rotating bearing. The bottom of the installation mesh plate (6) is symmetrically hinged via a hinge seat to a second rod (7). One end of the second rod (7) is slidably fitted with a second cylinder (8). One end of the second cylinder (8) is hinged to the bottom inner side of the fixed frame (1) via a hinge seat. A warning sign (9) is placed on the top of the installation mesh plate (6). The warning sign (9) is placed on the outside of the installation mesh plate (6). Multiple limiting mechanisms (10) are provided at equal intervals on the side. Each limiting mechanism (10) includes a Z-shaped workpiece (11), a screw (12), a rotating ring (13), and a clamping plate (14). The Z-shaped workpiece (11) is fixedly connected to the top of the mounting mesh plate (6) by fixing bolts. The outer side of the Z-shaped workpiece (11) is closely fitted to the outer side of the warning sign (9). The screw (12) penetrates vertically through the Z-shaped workpiece (11). One end of the screw (12) is fixedly connected to the rotating ring (13). The other end of the screw (12) is rotatably connected to the outer side of the clamping plate (14) through a bearing seat. The bottom of the clamping plate (14) is closely fitted to the outer side of the warning sign (9). Multiple hanging rings (15) are fixedly connected at equal intervals on the rear surface of the groove (2).

2. The safety management sign for urban rail transit construction projects according to claim 1, characterized in that: The first cylindrical body (3) is provided with a first limiting bolt, which transversely penetrates the groove (2). The groove (2) is provided with an arc-shaped opening for the first limiting bolt to pass through, and the first cylindrical body (3) is provided with a threaded through hole for the threaded connection of the first limiting bolt.

3. The safety management sign for urban rail transit construction projects according to claim 1, characterized in that: The first cylinder (3) is provided with a second limiting bolt, and the first cylinder (3) is provided with a threaded through hole for threaded connection of the second limiting bolt.

4. The safety management sign for urban rail transit construction projects according to claim 1, characterized in that: The second cylinder (8) is provided with a third limiting bolt, and the second cylinder (8) is provided with a threaded through hole for threaded connection of the third limiting bolt.

5. The safety management sign for urban rail transit construction projects according to claim 1, characterized in that: The warning sign (9) is equipped with multiple LED warning signs, and the warning sign (9) is equipped with a control switch and a power supply.

6. The safety management sign for urban rail transit construction projects according to claim 1, characterized in that: The Z-shaped workpiece (11) has through holes for fixing bolts to pass through, and the mounting mesh plate (6) has several threaded through holes for fixing bolts to be threaded at equal intervals. The Z-shaped workpiece (11) has threaded through holes for screws (12) to be threaded. The outer side of the clamping plate (14) is in contact with the inner wall of the Z-shaped workpiece (11) and is slidably connected.

Citation Information

Patent Citations

  • Safety management signboard for urban rail transit construction engineering

    CN215164910U