Intelligent safety manhole cover

Abstract

The present application belongs to the technical field of municipal road infrastructure, and particularly relates to an intelligent safety manhole cover. Technical problems are as follows: when the staff work in the well, the manhole cover is in the open state, there is no warning device near the manhole cover, and in the case that pedestrians are not careful or not concentrated, it is not easy to notice the opened manhole cover in front, which is easy to cause danger and harm. At the same time, when it is dark at night, it is not easy to notice the opened manhole cover in front, and the possibility of danger increases when pedestrians approach the manhole cover. Technical solutions are as follows: an intelligent safety manhole cover, comprising a passage outer wall, a passage inner wall, a well mouth frame, a telescopic driving part, a manhole cover and a connecting frame, the passage outer wall and the passage inner wall have a certain gap, a crawling ladder is installed on the passage inner wall, and a first safety protection mechanism is further included. The first safety protection mechanism comprises a guardrail, the guardrail is provided with four, and the guardrail is arranged in the gap between the passage outer wall and the passage inner wall in a lifting manner.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of municipal road infrastructure, and particularly relates to an intelligent safety manhole cover. BACKGROUND

[0002] The pipe gallery, namely the underground city pipeline comprehensive corridor, is a tunnel space built underground in a city, in which various engineering pipelines such as power, communication, gas, heating, water supply and drainage are integrated, and unified planning, design, construction and management are implemented, which is an important infrastructure and 'lifeline' for ensuring the operation of the city. The manhole cover needs to be used on the pipe gallery, and the manhole cover is used for covering the road to prevent people or objects from falling.

[0003] In the prior art, when the staff work in the well, the manhole cover is in an open state, and there is no warning device near the manhole cover. In the case that pedestrians are inattentive or lack concentration, it is not easy to realize that the open manhole cover in front is dangerous and can cause injury. Meanwhile, when it is dark at night, it is not easy to realize that the open manhole cover in front is dangerous, and the possibility of danger increases when pedestrians approach the manhole cover. SUMMARY

[0004] The present application provides an intelligent safety manhole cover, which solves the problem that in the prior art, when the manhole cover is used, there is no protection device in the open state, and if pedestrians are inattentive, such as looking down and playing a mobile phone, they do not notice the open manhole cover in front and are easy to fall into the well and cause injury. Meanwhile, when it is dark at night, it is not easy to realize that the open manhole cover in front is dangerous, and the possibility of danger increases when pedestrians approach the manhole cover.

[0005] The technical scheme of the present application is as follows:

[0006] An intelligent safety manhole cover, comprising a channel outer wall, a channel inner wall, a well mouth frame, a telescopic driving part, a manhole cover and a connecting frame, the channel outer wall and the channel inner wall are fixed in concrete, the channel outer wall and the channel inner wall have a certain gap therebetween, the well mouth frame is installed at the top end of the channel inner wall, the telescopic driving part is hinged to the channel inner wall through a support seat, the telescopic end of the telescopic driving part is hinged to the manhole cover, the connecting frame is fixed to the top end between the channel outer wall and the channel inner wall, and a ladder is installed on the channel inner wall.

[0007] Further comprising a first safety protection mechanism;

[0008] The first safety protection mechanism comprises,

[0009] A protective fence, the protective fence is provided with four, and the protective fence is liftable and arranged in the gap between the channel outer wall and the channel inner wall.

[0010] As a further technical scheme, four rectangular notches are formed around the connecting frame, and the four guardrails are slidingly arranged in the four notches of the connecting frame.

[0011] As a further technical scheme, the driving assembly comprises,

[0012] The lifting driving members are provided in two, and the two lifting driving members are symmetrically arranged in the gap between the channel outer wall and the channel inner wall. The fixed end of the lifting driving member is installed on the channel inner wall close to one side of the channel outer wall. The lifting driving member is in a vertical direction,

[0013] The support blocks are provided in two, and the two support blocks are respectively installed at the top end of the two lifting driving members.

[0014] As a further technical scheme, a second safety protection mechanism is further included, and each guardrail is connected with one second safety protection mechanism. The second safety protection mechanism comprises,

[0015] The safety airbag is installed on the guardrail away from the channel inner wall,

[0016] The electric suction pump is installed on the safety airbag,

[0017] The electric exhaust pump is installed on the safety airbag,

[0018] The tightening assembly makes the opened safety airbag become a compressed state,

[0019] The power assembly controls the tightening assembly to compress the safety airbag.

[0020] As a further technical scheme, the tightening assembly comprises,

[0021] The binding rope is wound on the outside of the safety airbag to tighten the safety airbag,

[0022] The pull rope is provided in two, and the two pull ropes are symmetrically arranged on the binding rope. The first end of the pull rope is connected to the binding rope.

[0023] As a further technical scheme, the power assembly comprises,

[0024] The rotating shaft rod is provided in two, and the two rotating shaft rods are symmetrically arranged on the channel outer wall,

[0025] The gear is provided in two, and the two gears are respectively fixedly connected to the two rotating shaft rods,

[0026] The winding wheel is provided with two, and the two winding wheels are fixed on the two rotating shaft rods respectively, and the second end of the pull rope is wound on the winding wheel,

[0027] The rack is provided with two, and the two racks are installed at the bottom ends of the two support blocks respectively, the rack is in the vertical direction, and the rack is engaged with the gear on the side close to the lifting drive.

[0028] As a further technical solution, the size of the gear is much smaller than the size of the winding wheel.

[0029] As a further technical solution, the warning mechanism is further included, one of the guardrails is connected with the warning mechanism, and the warning mechanism includes,

[0030] The distance sensor is provided with two, and the two distance sensors are symmetrically arranged on the guardrail,

[0031] The sound-light alarm is provided with two, and the two sound-light alarms are symmetrically arranged on the top end of the guardrail close to the outer wall of the passage.

[0032] As a further technical solution, the warning mechanism further includes,

[0033] The reflective strip is provided with a plurality of, and the reflective strip is installed on the guardrail away from the inner wall of the passage.

[0034] As a further technical solution, the sealing mechanism is further included, one of the guardrails is connected with the sealing mechanism, and the sealing mechanism includes,

[0035] The sealing strip is installed on the top end of the guardrail,

[0036] The cover plate is installed on the sealing strip.

[0037] The working principle and beneficial effects of the present application are as follows:

[0038] In the present application, the opening and closing of the well cover is controlled by the telescopic drive when the staff works in the well, and when the well cover is opened, the guardrail passes through the connecting frame from the outer wall of the passage and the inner wall of the passage to rise upward, so as to resist the surrounding of the well mouth, and avoid the dangerous situation when pedestrians approach the opened well cover without attention. BRIEF DESCRIPTION OF DRAWINGS

[0039] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0040] Figure 1This is a first-view three-dimensional structural diagram of the intelligent safety manhole cover of the present invention;

[0041] Figure 2 This is a two-dimensional structural diagram of the intelligent safety manhole cover of the present invention from a second perspective;

[0042] Figure 3 This is a cross-sectional view of the intelligent safety manhole cover of the present invention;

[0043] Figure 4 This is a schematic diagram of the first safety protection mechanism in this invention;

[0044] Figure 5 This is a partial structural diagram of the first safety protection mechanism in this invention;

[0045] Figure 6 In this invention Figure 5 Enlarged view of area A in the middle;

[0046] Figure 7 This is a schematic diagram of the second safety protection mechanism in this invention;

[0047] Figure 8 In this invention Figure 7 Enlarged view of area B in the middle;

[0048] Figure 9 This is a schematic diagram of the warning mechanism structure in this invention;

[0049] Figure 10 This is a schematic diagram of the tightening component structure in this invention;

[0050] Figure 11 This is a schematic diagram of the power component structure in this invention;

[0051] In the diagram: 1. Outer wall of the passage; 2. Inner wall of the passage; 3. Manhole frame; 4. Telescopic drive component; 5. Manhole cover; 6. Connecting frame; 7. Lifting drive component; 8. Support block; 9. Guardrail; 10. Sealing strip; 11. Cover plate; 12. Rotary shaft; 13. Gear; 14. Winding wheel; 15. Rack; 16. Pull rope; 17. Binding rope; 18. Safety airbag; 19. Distance sensor; 20. Audible and visual alarm; 21. Electric suction pump; 22. Electric exhaust pump; 23. Reflective strip. Detailed Implementation

[0052] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0053] Example 1

[0054] As Figures 1-11 shown in the embodiment, an intelligent safety manhole cover is provided, comprising a passage outer wall 1, a passage inner wall 2, a well mouth frame 3, a telescopic driving member 4, a manhole cover 5 and a connecting frame 6, the passage outer wall 1 and the passage inner wall 2 are fixed in concrete, there is a certain gap between the passage outer wall 1 and the passage inner wall 2, the well mouth frame 3 is installed at the top end of the passage inner wall 2, the telescopic driving member 4 is hinged to the passage inner wall 2 through a support seat, the telescopic end of the telescopic driving member 4 is hinged to the manhole cover 5, the connecting frame 6 is fixed to the top end between the passage outer wall 1 and the passage inner wall 2, a ladder is installed on the passage inner wall 2,

[0055] Further comprising a first safety protection mechanism;

[0056] The first safety protection mechanism comprises,

[0057] A guardrail 9, the guardrail 9 is provided with four, the guardrail 9 is liftable and arranged in the gap between the passage outer wall 1 and the passage inner wall 2.

[0058] In the embodiment, the opening and closing of the manhole cover 5 is controlled by the telescopic driving member 4 when the staff works in the well, and when the manhole cover 5 is opened, the guardrail 9 passes through the connecting frame 6 from the passage outer wall 1 and the passage inner wall 2 and rises upward, thereby resisting the well mouth in all directions and avoiding dangerous situations when pedestrians approach the opened manhole cover 5 without noticing.

[0059] Embodiment 2

[0060] Based on the first specific embodiment, as Figures 1-11 shown, four rectangular notches are opened around the connecting frame 6, the four guardrails 9 are slidingly arranged in the four notches of the connecting frame 6, and each of the guardrails 9 is connected with a driving assembly.

[0061] The driving assembly comprises,

[0062] A lifting driving member 7, the lifting driving member 7 is provided with two, the two lifting driving members 7 are symmetrically arranged in the gap between the passage outer wall 1 and the passage inner wall 2, the fixed end of the lifting driving member 7 is installed on the passage inner wall 2 close to one side of the passage outer wall 1, and the lifting driving member 7 is in a vertical direction,

[0063] A support block 8, the support block 8 is provided with two, and the two support blocks 8 are respectively installed at the top end of the two lifting driving members 7.

[0064] In this embodiment, after the manhole cover 5 is opened by the telescopic driving member 4, the lifting driving member 7 is elongated, the lifting driving member 7 is elongated to make the supporting block 8 rise, the supporting block 8 rises to push the guardrail 9 to rise, the guardrail 9 rises through the connecting frame 6 in the rising process, the guardrail 9 after rising forms a protection around the well mouth, which can effectively avoid pedestrians when approaching the manhole cover 5 to play a warning protection role on pedestrians, and reduce the possibility of danger.

[0065] Embodiment 3

[0066] On the basis of the second specific implementation mode, as shown in Figures 1-11 each of the guardrails 9 is connected with a second safety protection mechanism, and the second safety protection mechanism comprises,

[0067] a safety air bag 18, which is installed on the guardrail 9 away from the inner wall 2 of the passage,

[0068] a motor-driven air suction pump 21, which is installed on the safety air bag 18,

[0069] a motor-driven air exhaust pump 22, which is installed on the safety air bag 18,

[0070] a tightening assembly, which makes the opened safety air bag 18 become a compressed state,

[0071] a power assembly, which controls the tightening assembly to compress the safety air bag 18.

[0072] the tightening assembly comprises,

[0073] a binding rope 17, which is wound outside the safety air bag 18 to tighten the safety air bag 18,

[0074] two pull ropes 16, which are symmetrically arranged on the binding rope 17, and the first ends of the pull ropes 16 are connected with the binding rope 17.

[0075] the power assembly comprises,

[0076] two rotating shaft rods 12, which are symmetrically arranged on the outer wall 1 of the passage,

[0077] two gears 13, which are respectively fixed on the two rotating shaft rods 12,

[0078] Winding wheels 14, two of which are fixed to the two rotating shafts 12 respectively, and the second end of the pull rope 16 is wound around the winding wheels 14,

[0079] Racks 15, two of which are installed at the bottom end of the two support blocks 8 respectively, and the racks 15 are in vertical direction and engage with the gears 13 on the side close to the lifting drive 7.

[0080] The size of the gears 13 is much smaller than that of the winding wheels 14.

[0081] In this embodiment, the safety air bag 18 is elastic and can be inflated rapidly without being bound, for example, made of rubber, and the binding rope 17 is also elastic, for example, made of rubber band. After the guardrail 9 is lifted, the safety air bag 18 is inflated by the electric suction pump 21 to make it expand, and the binding rope 17 is gradually stretched along with the expansion of the safety air bag 18. The binding rope 17 pulls the pull rope 16 to make the pull rope 16 disengage from the winding wheel 14. When the pedestrian collides with the guardrail 9, the pedestrian is protected by first touching the safety air bag 18;

[0082] When the manhole cover 5 is closed, the lifting drive 7 is lowered to make the support block 8 descend, which drives the guardrail 9 to descend. The descent of the support block 8 and the rack 15, and the rotation of the gear 13, the rotating shaft 12 and the winding wheel 14, and the gradual winding of the pull rope 16 on the winding wheel 14, and the gradual pulling of the binding rope 17 by the pull rope 16, and the opening of the electric exhaust pump 22, and the compression of the safety air bag 18 by the binding rope 17, and the discharge of the gas in the safety air bag 18 through the electric exhaust pump 22, and the smooth passing of the safety air bag 18 through the rectangular gap on the connecting frame 6 into the space between the passage outer wall 1 and the passage inner wall 2 along with the descent of the guardrail 9, and the contraction of the safety air bag 18, and the convenience of use of the manhole cover 5 next time, are all achieved.

[0083] Embodiment 4

[0084] On the basis of the third specific embodiment, as shown in Figures 1-4 It also includes a warning mechanism, one of which is connected to each of the guardrails 9, and the warning mechanism includes,

[0085] Distance sensors 19, two of which are symmetrically arranged on the guardrails 9,

[0086] Two sound and light alarms 20 are symmetrically arranged on the top end of the guardrail 9 near the outer wall 1 of the passage.

[0087] The warning mechanism further comprises,

[0088] The reflective strips 23 are arranged on the side of the guardrail 9 away from the inner wall 2 of the passage.

[0089] In this embodiment, when the weather is dark at night, the manhole cover 5 opens and the guardrail 9 rises. Due to environmental problems, people are not easy to detect and are easy to hit the guardrail 9. Therefore, the guardrail 9 is provided with a distance sensor 19. When people are at a certain distance from the guardrail 9, the distance sensor 19 controls the sound and light alarm 20 to emit sound and flash, reminding people. At the same time, the guardrail 9 is pasted with reflective strips 23. When the light shines on the reflective strips 23 on the guardrail 9, the reflective strips 23 reflect the light, which plays a certain warning role for people.

[0090] Embodiment 5

[0091] Based on the fourth specific embodiment, as Figures 1-4 shown, a sealing mechanism is further included. Each of the guardrails 9 is connected with one of the sealing mechanisms. The sealing mechanism comprises,

[0092] The sealing strip 10 is installed on the top end of the guardrail 9,

[0093] The cover plate 11 is installed on the sealing strip 10.

[0094] In this embodiment, in order to prevent rainwater and some debris from entering the well and to avoid pollutants from entering between the outer wall 1 of the passage and the inner wall 2 of the passage to cause blockage and affect the rising and falling of the guardrail 9, the top end of the guardrail 9 is provided with a sealing strip 10. The sealing strip 10 can tightly enter the rectangular gap of the connecting frame 6, avoiding the entry of debris into the gap between the outer wall 1 of the passage and the inner wall 2 of the passage. At the same time, the bottom of the cover plate 11 on the sealing strip 10 tightly contacts the upper surface of the connecting frame 6, and the side of the cover plate 11 tightly contacts the side of the well mouth frame 3, effectively avoiding the entry of debris into the well.

[0095] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An intelligent safety manhole cover, comprising an outer channel wall (1), an inner channel wall (2), a manhole frame (3), a telescopic drive component (4), a manhole cover (5), and a connecting frame (6), wherein the outer channel wall (1) and the inner channel wall (2) are fixed in concrete, and there is a certain gap between the outer channel wall (1) and the inner channel wall (2), the manhole frame (3) is installed at the top of the inner channel wall (2), the telescopic drive component (4) is hinged to the inner channel wall (2) through a support seat, and the telescopic end of the telescopic drive component (4) is hinged to the manhole cover (5), the connecting frame (6) is fixed at the top between the outer channel wall (1) and the inner channel wall (2), and a ladder is installed on the inner channel wall (2). Its features are, It also includes the first security protection agency; The first security protection mechanism includes, The guardrail (9) is provided in four parts, and the guardrail (9) can be raised and lowered in the gap between the outer wall (1) of the channel and the inner wall (2) of the channel; The connecting frame (6) has four rectangular notches around its perimeter, and the four guardrails (9) are slidably disposed in the four notches of the connecting frame (6). Each guardrail (9) is connected to a driving component. The driving component includes, A lifting drive component (7) is provided in two parts, which are symmetrically arranged in the gap between the outer wall (1) and the inner wall (2) of the channel. The fixed end of the lifting drive component (7) is installed on the inner wall (2) of the channel near the outer wall (1). The lifting drive component (7) is vertical. Support block (8), two support blocks (8) are provided, and the two support blocks (8) are respectively installed on the top of the two lifting drive components (7); It also includes a second safety protection mechanism, with each of the guardrails (9) connected to a second safety protection mechanism, the second safety protection mechanism comprising, An airbag (18) is installed on the guardrail (9) on the side away from the inner wall (2) of the passage. An electric suction pump (21) is mounted on the airbag (18). An electric exhaust pump (22) is mounted on the airbag (18). A tightening assembly that causes the deployed airbag (18) to become compressed. A power assembly that controls a tightening assembly to compress the airbag (18); The airbag (18) is elastic; The tightening component includes... A binding rope (17) is used to wrap around the outside of the airbag (18) to secure it tightly. Pull rope (16), two pull ropes (16) are provided, the two pull ropes (16) are symmetrically arranged on the binding rope (17), and the first end of the pull rope (16) is connected to the binding rope (17); The binding rope (17) is elastic; The power assembly includes, Two rotating shafts (12) are provided, and the two rotating shafts (12) are symmetrically rotated on the outer wall (1) of the channel. Two gears (13) are provided, and the two gears (13) are respectively fixed to the two rotating shafts (12). Two winding wheels (14) are provided, and the two winding wheels (14) are respectively fixed to the two rotating shafts (12). The second end of the pull rope (16) is wound around the winding wheel (14). Two racks (15) are provided, and the two racks (15) are respectively installed at the bottom of the two support blocks (8). The racks (15) are vertical, and the racks (15) mesh with the gear (13) on the side near the lifting drive (7).

2. The intelligent safety manhole cover according to claim 1, characterized in that, The size of the gear (13) is much smaller than the size of the winding wheel (14).

3. The intelligent safety manhole cover according to claim 2, characterized in that, It also includes warning mechanisms, with each of the guardrails (9) connected to one of the warning mechanisms, the warning mechanisms including, Two distance sensors (19) are provided, and the two distance sensors (19) are symmetrically arranged on the guardrail (9). Two sound and light alarms (20) are provided, and the two sound and light alarms (20) are symmetrically arranged on the top of the guardrail (9) near the outer wall (1) of the passage.

4. The intelligent safety manhole cover according to claim 3, characterized in that, The warning mechanism also includes, Reflective strips (23), a plurality of which are provided, are installed on the side of the guardrail (9) away from the inner wall (2) of the passage.

5. The intelligent safety manhole cover according to claim 4, characterized in that, It also includes a sealing mechanism, with each of the guardrails (9) connected to one of the sealing mechanisms, the sealing mechanism comprising, A sealing strip (10) is installed at the top of the guardrail (9). Cover plate (11), which is installed on the sealing strip (10).

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