Safety device for inspection well

By designing safety devices for manholes and using mechanical structures such as fastening bolts and pull rods, the problem of lack of protection when opening the manhole cover is solved, and the effect of improving safety and enhancing adaptability is achieved.

CN222862356UActive Publication Date: 2025-05-13黄海
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Patent Information

Application Number
CN202421740919.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-05-13
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

The lack of effective protective measures when opening the existing manholes leads to exposure of the wellhead and increases safety risks for pedestrians and vehicles.

Method used

A safety device for manholes is designed, including a support frame, hanging ears, fixing plates and fastening components. By clamping the fastening bolts and connecting holes, combined with the mechanical structure of the tie rod and spring, the safety device can be quickly fixed and adaptively flipped.

Benefits of technology

It effectively reduces the labor intensity of staff, improves safety, reduces the possibility of accidents, and improves the adaptability of manhole covers when opening.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of road safety protection devices, and discloses a safety device for an inspection well, which comprises a support frame, a hanging lug and a fixing plate, the middle part of the support frame is fixedly connected with a rotating rod, the two ends of the rotating rod are rotatably connected with connecting blocks, the middle part of each connecting block is provided with a fastening bolt, and the fixing plate is fixedly connected with the rotating rod. A connecting hole is formed in the middle of the hanging lug, the fastening bolt is connected with the connecting hole in a clamped mode, a fastening assembly is arranged on the periphery of the fastening bolt, and the fastening assembly is used for connecting and fixing the connecting block. According to the safety device, the fastening bolt penetrates into the middle of the hanging lug and is connected with the connecting hole in a clamped mode, and after clamping, the connecting block and the hanging lug are connected and fixed through the fastening nut, so that the whole safety device can be conveniently connected and fixed, the labor intensity of workers is reduced, and meanwhile safety is improved; and the possibility of accidents is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of road safety protection devices, in particular to a safety device for manholes. Background Art

[0002] As an important part of urban infrastructure, manholes play multiple key roles, and their functions cover drainage, communication, electricity and other municipal services. First of all, manholes are crucial in urban drainage systems. They prevent street waterlogging and reduce flood disasters by collecting and directing rainwater and sewage into the sewer system, thereby ensuring the normal operation of urban drainage systems. In addition, many manholes also provide important channels for urban communication networks, especially for laying and maintaining cables and fiber optic lines to ensure the stable transmission of communication signals. In terms of power systems, manholes may be used to lay cables and distribution lines to support the city's power supply. In addition to the above main functions, manholes may also be used to install other municipal facilities, such as natural gas pipelines and heating pipelines. Therefore, manholes are not only key nodes in urban infrastructure, their design and maintenance are directly related to the city's operating efficiency and the quality of life of residents.

[0003] In the prior art, manholes often lack effective protection measures when they are opened. Due to the lack of appropriate protective devices, when the manhole cover is opened or damaged, the manhole opening will be exposed. This exposure not only poses a direct risk of falling to pedestrians, but also causes damage to vehicles and transportation vehicles. In addition, unprotected manholes can easily become the source of safety hazards, especially at night or in poor visibility. It is difficult for pedestrians and drivers to find the open manhole in time, increasing the possibility of accidents. Summary of the invention

[0004] In order to remedy the above deficiencies, the utility model provides a safety device for a manhole, aiming to improve the problem in the prior art that the manhole often lacks effective protective measures when it is opened, resulting in the manhole opening being exposed. Such exposure not only poses a direct risk of falling to pedestrians, but also causes damage to vehicles and transportation vehicles.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A safety device for a manhole, comprising a support frame, a hanging ear and a fixing plate, wherein a rotating rod is fixedly connected to the middle of the support frame, and both ends of the rotating rod are rotatably connected to connecting blocks, a fastening bolt is arranged in the middle of the connecting block, a connecting hole is opened in the middle of the hanging ear, the fastening bolt and the connecting hole are clamped, a fastening assembly is arranged on the periphery of the fastening bolt, and the fastening assembly is used to connect and fix the connecting block;

[0007] As a further description of the above technical solution:

[0008] The fastening assembly includes a fastening nut, the fastening nut is threadedly connected to the outer periphery of the fastening bolt, and the fastening nut and the fastening bolt are both made of stainless steel, and the stainless steel material is used to provide corrosion resistance protection for the fastening nut and the fastening bolt;

[0009] As a further description of the above technical solution:

[0010] A fixing rod is fixedly connected to the middle part of the fixing plate, a supporting plate 1 and a supporting plate 2 are fixedly connected to the bottom of the supporting frame, a clamping rod is slidably connected to the middle part of the supporting plate 1, the clamping rod and the fixing rod are clamped, a connecting rod is slidably connected to the middle part of the supporting plate 2, one end of the connecting rod is fixedly connected to one end of the clamping rod, a pulling rod is fixedly connected to the outer side of the clamping rod, a reset assembly is arranged at one end of the clamping rod away from the fixing plate, and the reset assembly is used to drive the clamping rod to move;

[0011] As a further description of the above technical solution:

[0012] The reset assembly comprises a fixing ring, the fixing ring is fixedly connected to one end of the clamping rod, one side of the fixing ring is fixedly connected to a spring, and one end of the connecting rod away from the second supporting plate is fixedly connected to one side of the fixing ring;

[0013] As a further description of the above technical solution:

[0014] One end of the spring away from the fixing ring is fixedly connected to one side of the second supporting plate;

[0015] As a further description of the above technical solution:

[0016] There are two rotating rods, one of which is fixedly connected to one end of the support frame, and the other is fixedly connected to the other end of the support frame;

[0017] As a further description of the above technical solution:

[0018] A baffle is fixedly connected to one side of the support frame, and a fixing frame is fixedly connected to the other side of the support frame;

[0019] As a further description of the above technical solution:

[0020] There are two fixing frames, both of which are made of carbon steel, which is used to provide high-strength protection for the fixing frames:

[0021] As a further description of the above technical solution:

[0022] A reflective sticker is fixedly connected to the top of the baffle.

[0023] The utility model has the following beneficial effects:

[0024] In the utility model, the fastening bolt is inserted into the middle part of the hanging ear and clamped with the connecting hole. After the clamping, the connecting block and the hanging ear are connected and fixed by the fastening nut, so that the safety device can be conveniently connected and fixed as a whole, thereby reducing the labor intensity of the staff, improving safety, and reducing the possibility of accidents.

[0025] In the utility model, the connecting rod is driven to move by pulling the pull rod, and when the connecting rod moves, the fixing ring is driven to move at the same time, and when the fixing ring moves, the spring is squeezed, and when the fixing ring squeezes the spring, the clamping rod is driven to move, so that the clamping rod can be separated from the fixing rod. When the clamping rod is separated from the fixing rod, the support frame can be easily turned over, so that the staff can enter the well conveniently, and the adaptability is improved at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a three-dimensional schematic diagram of a safety device for a manhole proposed by the utility model;

[0027] Figure 2 This is a structural schematic diagram of a support frame of a safety device for a manhole proposed by the utility model;

[0028] Figure 3 This is a schematic diagram of the structure of a spring of a safety device for a manhole proposed by the utility model;

[0029] Figure 4 The utility model is a schematic structural diagram of a baffle plate of a safety device for a manhole.

[0030] Legend:

[0031] 1. Tightening nut; 2. Tightening bolt; 3. Support frame; 4. Fixed frame; 5. Baffle; 6. Hanging ear; 7. Connecting hole; 8. Support plate 1; 9. Support plate 2; 10. Clamping rod; 11. Connecting rod; 12. Fixed ring; 13. Spring; 14. Pull rod; 15. Fixed plate; 16. Fixed rod; 17. Rotating rod; 18. Connecting block. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1 , Figure 3 and Figure 4 The utility model provides an embodiment: a safety device for a manhole, including a support frame 3, a hanging ear 6 and a fixing plate 15. A rotating rod 17 is fixedly connected to the middle of the support frame 3, and both ends of the rotating rod 17 are rotatably connected to a connecting block 18. The rotating rod 17 can conveniently connect the connecting block 18 with the support frame 3. A fastening bolt 2 is provided in the middle of the connecting block 18. A connecting hole 7 is provided in the middle of the hanging ear 6. The fastening bolt 2 and the connecting hole 7 are engaged with each other. The fastening bolt 2 and the connecting hole 7 can conveniently connect and fix the hanging ear 6 and the connecting block 18, so that the safety device as a whole can be conveniently connected and fixed, thereby reducing the labor intensity of the staff, while improving safety and reducing the possibility of accidents. A baffle 5 is fixedly connected to one side of the support frame 3, and a fixing frame 4 is fixedly connected to the other side of the support frame 3. The baffle 5 and the fixing frame 4 can increase the overall protection area of ​​the safety device, thereby increasing safety and improving the overall adaptability of the device.

[0034] Reference Figure 2 and Figure 3 A fastening assembly is provided on the periphery of the fastening bolt 2, and the fastening assembly is used to connect and fix the connecting block 18. The fastening assembly includes a fastening nut 1, and the fastening nut 1 is threadedly connected to the periphery of the fastening bolt 2. The fastening nut 1 can be conveniently connected and fixed with the fastening bolt 2, thereby preventing the fastening bolt 2 from falling off, and at the same time facilitating the staff to install the safety device, thereby reducing the work intensity. The fastening nut 1 and the fastening bolt 2 are both made of stainless steel, and the stainless steel material is used to provide corrosion resistance for the fastening nut 1 and the fastening bolt 2.

[0035] Reference Figure 3 The middle part of the fixing plate 15 is fixedly connected with a fixing rod 16, and the fixing plate 15 can conveniently support and fix the fixing rod 16. The bottom of the support frame 3 is fixedly connected with a supporting plate 18 and a supporting plate 29. The middle part of the supporting plate 18 is slidably connected with a clamping rod 10, and the supporting plate 18 can conveniently support the clamping rod 10, thereby preventing the clamping rod 10 from deflecting when sliding. The clamping rod 10 and the fixing rod 16 are clamped together, and the clamping rod 10 and the fixing rod 16 can conveniently limit the safety device as a whole, thereby preventing the safety device from The whole is rotated, and a connecting rod 11 is slidably connected to the middle part of the support plate 29. The support plate 29 can conveniently support and limit the connecting rod 11, thereby preventing the connecting rod 11 from deflecting when sliding. One end of the connecting rod 11 is fixedly connected to one end of the card rod 10, and a pull rod 14 is fixedly connected to the outer side of the card rod 10. The pull rod 14 can facilitate the staff to pull the card rod 10 to move. A reset component is set at the end of the card rod 10 away from the fixed plate 15, and the reset component is used to drive the card rod 10 to move.

[0036] Reference Figure 1 and Figure 3 The reset assembly includes a fixing ring 12, which is fixedly connected to one end of the clamping rod 10. When the clamping rod 10 moves, the fixing ring 12 will be driven to move at the same time, so that the clamping rod 10 can be easily driven to flip the support frame 3 after it is separated from the fixing rod 16, so that it is convenient for the staff to enter the well, and at the same time, the adaptability is improved. A spring 13 is fixedly connected to one side of the fixing ring 12. When the fixing ring 12 moves, the spring 13 will be squeezed. At the same time, under the action of the spring 13, the fixing ring 12 can be pushed outward. One end of the connecting rod 11 away from the support plate 29 is fixedly connected to one side of the fixing ring 12. When the fixing ring 12 moves, it will drive the connecting rod 11 to move, and the connecting rod 11 can limit the fixing ring 12, thereby preventing the fixing ring 12 from deviating.

[0037] Reference Figure 2 and Figure 3 One end of the spring 13 away from the fixing ring 12 is fixedly connected to one side of the support plate 29. Two rotating rods 17 are provided, one of which is fixedly connected to one end of the support frame 3, and the other rotating rod 17 is fixedly connected to the other end of the support frame 3. The two rotating rods 17 can more conveniently connect and fix the support frame 3. There are two fixing frames 4, and both fixing frames 4 are made of carbon steel. The carbon steel material is used to provide high-strength protection for the fixing frames 4. The top of the baffle 5 is fixedly connected with a reflective sticker, and the bottom and top of the baffle 5 can be fixed with reflective stickers. The reflective sticker may be a municipal repair telephone number or other advertisements, which is convenient for reminding people.

[0038] Working principle: When the safety device is connected and fixed as a whole, the fastening bolt 2 is manually inserted into the middle of the hanging ear 6 and snapped into the connecting hole 7. After snapping, the connecting block 18 and the hanging ear 6 are connected and fixed by rotating the fastening nut 1, so that the safety device can be conveniently connected and fixed as a whole.

[0039] When the staff needs to enter the well, they manually pull the pull rod 14 to move it. When the pull rod 14 moves, it will drive the connecting rod 11 to move at the same time. When the connecting rod 11 moves, it will drive the fixing ring 12 to move at the same time. When the fixing ring 12 moves, it will squeeze the spring 13. When the fixing ring 12 squeezes the spring 13, it will drive the clamping rod 10 to move, so that the clamping rod 10 can be separated from the fixing rod 16. When the clamping rod 10 is separated from the fixing rod 16, it can easily drive the support frame 3 to flip over.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety device for a manhole, comprising a support frame (3), a hanging ear (6) and a fixing plate (15), characterized in that: A rotating rod (17) is fixedly connected to the middle of the support frame (3), and connecting blocks (18) are rotatably connected to both ends of the rotating rod (17). A fastening bolt (2) is provided in the middle of the connecting block (18), and a connecting hole (7) is provided in the middle of the hanging ear (6). The fastening bolt (2) and the connecting hole (7) are engaged with each other. A fastening assembly is provided on the periphery of the fastening bolt (2), and the fastening assembly is used to connect and fix the connecting block (18).

2. A safety device for manhole according to claim 1, characterized in that: The fastening assembly comprises a fastening nut (1), wherein the fastening nut (1) is threadedly connected to the outer periphery of the fastening bolt (2), and the fastening nut (1) and the fastening bolt (2) are both made of stainless steel, and the stainless steel material is used to provide corrosion resistance for the fastening nut (1) and the fastening bolt (2).

3. A safety device for manhole according to claim 1, characterized in that: A fixing rod (16) is fixedly connected to the middle of the fixing plate (15); a supporting plate 1 (8) and a supporting plate 2 (9) are fixedly connected to the bottom of the supporting frame (3); a clamping rod (10) is slidably connected to the middle of the supporting plate 1 (8); the clamping rod (10) and the fixing rod (16) are clamped together; a connecting rod (11) is slidably connected to the middle of the supporting plate 2 (9); one end of the connecting rod (11) is fixedly connected to one end of the clamping rod (10); a pull rod (14) is fixedly connected to the outer side of the clamping rod (10); a reset component is provided at one end of the clamping rod (10) away from the fixing plate (15); the reset component is used to drive the clamping rod (10) to move.

4. A safety device for manhole according to claim 3, characterized in that: The reset assembly comprises a fixing ring (12), the fixing ring (12) being fixedly connected to one end of the clamping rod (10), a spring (13) being fixedly connected to one side of the fixing ring (12), and an end of the connecting rod (11) away from the second support plate (9) being fixedly connected to one side of the fixing ring (12).

5. A safety device for manholes according to claim 4, characterized in that: One end of the spring (13) away from the fixing ring (12) is fixedly connected to one side of the second supporting plate (9).

6. A safety device for manhole according to claim 1, characterized in that: Two rotating rods (17) are provided, one of the rotating rods (17) is fixedly connected to one end of the support frame (3), and the other rotating rod (17) is fixedly connected to the other end of the support frame (3).

7. A safety device for manhole according to claim 1, characterized in that: A baffle (5) is fixedly connected to one side of the support frame (3), and a fixing frame (4) is fixedly connected to the other side of the support frame (3).

8. A safety device for manholes according to claim 7, characterized in that: Two fixing frames (4) are provided, and both fixing frames (4) are made of carbon steel. The carbon steel material is used to provide high-strength protection for the fixing frames (4).

9. A safety device for manholes according to claim 7, characterized in that: A reflective tape is fixedly connected to the top of the baffle (5).