Intelligent well lid with safety protection device
By designing intelligent manhole covers, the safety net can be automatically deployed and retracted using a circular track and traction rope, solving the problem of cumbersome manual hanging in existing technologies and improving safety and the stability of the safety net.
Patent Information
- Application Number
- CN202311212033.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2043-09-20
AI Technical Summary
In existing technologies, hanging the anti-fall net after the manhole cover is opened requires manual operation, which is tedious and easy to forget, leading to safety hazards.
Design an intelligent manhole cover with safety protection device, including an outer frame, telescopic drive component, auxiliary telescopic drive component, manhole cover and anti-fall net. The anti-fall net is automatically deployed and gathered through a circular track and traction rope. Combined with electric slide, electric winding wheel and locking assembly, the stability and automatic deployment of the anti-fall net are ensured.
The automatic deployment and closure of the fall protection net improves safety, reduces manual operation steps, enhances the support strength and stability of the fall protection net, and avoids the risk of pedestrians falling into the well opening.
Smart Images

Figure CN116971421B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of intelligent manhole covers, and particularly relates to an intelligent manhole cover with a safety protection device. BACKGROUND
[0002] The falling prevention net is suitable for high-rise building construction, shipbuilding, ship repairing, water loading and unloading, large equipment installation and other high-altitude work sites, and is used for preventing people and objects from falling or for avoiding or reducing injuries caused by falling objects.
[0003] In the prior art, after opening the manhole cover, the falling prevention net needs to be hung to ensure the safety of pedestrians, and the hanging operation is often manually performed. When the personnel repeatedly operate the manhole, the hanging operation is relatively cumbersome, and in some emergency situations, the falling prevention net may be forgotten to be hung, which may easily lead to accidents. SUMMARY
[0004] The present application provides an intelligent manhole cover with a safety protection device, which solves the problem that in the prior art, after opening the manhole cover, the falling prevention net needs to be hung to ensure the safety of pedestrians, and the hanging operation is often manually performed. When the personnel repeatedly operate the manhole, the hanging operation is relatively cumbersome, and in some emergency situations, the falling prevention net may be forgotten to be hung, which may easily lead to accidents.
[0005] The technical scheme of the present application is as follows:
[0006] An intelligent manhole cover with a safety protection device comprises an outer frame,
[0007] A first telescopic driving member is hingedly connected to the inner wall of the outer frame,
[0008] Two auxiliary telescopic driving members are provided, and the fixed ends of the two auxiliary telescopic driving members are fixedly connected to the inner wall of the outer frame,
[0009] A manhole cover is hingedly connected to the telescopic ends of the two auxiliary telescopic driving members, and the first telescopic driving member is hingedly connected to the telescopic end of the first telescopic driving member,
[0010] Further comprising a falling prevention net installed on the outer frame through a folding mechanism.
[0011] As a further technical scheme, the folding mechanism comprises,
[0012] An annular track is installed at the bottom of the outer frame,
[0013] Traction ropes are arranged in a plurality of annular equidistant connections on the outer ring surface of the safety net, and each traction rope is slidably connected to the annular track through a moving assembly at the end away from the safety net.
[0014] As a further technical solution, a first inner frame is fixedly connected to the upper part of the inner ring surface of the annular track, and a second inner frame is fixedly connected to the lower part of the inner ring surface of the annular track, and an annular gap is left between the first inner frame and the second inner frame, and the traction rope passes through the annular gap.
[0015] As a further technical solution, a through groove is formed in the position opposite to the first telescopic drive of the first inner frame, for accommodating the rotating first telescopic drive.
[0016] As a further technical solution, the moving assembly is an electric sliding seat, which is slidably arranged in the annular track, and the traction rope is slidably passed through the through hole on the electric sliding seat, and the electric sliding seat is provided with a winding assembly, and the traction rope is wound on the winding assembly, and the winding assembly is in the annular cavity of the annular track.
[0017] As a further technical solution, the winding assembly includes a mounting seat and an electric winding wheel, the mounting seat is provided with two, the two mounting seats are installed on the side of the electric sliding seat away from the safety net, and the electric winding wheel is installed between the two mounting seats, and the traction rope is wound on the electric winding wheel.
[0018] As a further technical solution, a locking assembly is further included, which is installed on the electric sliding seat, and the locking assembly includes,
[0019] A second telescopic drive is installed on the electric sliding seat,
[0020] A fixed fork is fixedly connected to the telescopic end of the second telescopic drive,
[0021] A fixed socket is fixedly connected to the electric sliding seat, and the fixed socket is provided with a socket hole corresponding to the fixed fork.
[0022] As a further technical solution, a pressure sensor is installed between the fixed socket and the electric sliding seat.
[0023] As a further technical scheme, it further comprises lifting driving members and warning plates, the outer frame and the first inner frame surround an annular space, the lifting driving members are provided with a plurality of, the lifting driving members are installed on the inner side bottom plate of the outer frame, the lifting driving members are located in the annular space between the outer frame and the first inner frame, the warning plates are reflective color, and the warning plates close the upper opening of the annular space between the outer frame and the first inner frame.
[0024] As a further technical scheme, it further comprises a protection assembly, the protection assembly comprises,
[0025] The protection air bag cushions are provided with a plurality of, the protection air bag cushions are installed on the inner side bottom plate of the outer frame, and the protection air bag cushions are located in the annular space between the outer frame and the first inner frame and are arranged in a ring shape at equal intervals,
[0026] The first air pump valve is installed on the protection air bag cushion, and the first air pump valve is used for inflating the protection air bag cushion,
[0027] The second air pump valve is installed on the protection air bag cushion, and the second air pump valve is used for deflating the protection air bag cushion,
[0028] The folding ropes are provided with a plurality of, one of the folding ropes is connected to an edge of each of the folding ropes,
[0029] The electric winding wheels are provided with a plurality of, the electric winding wheels are installed on the inner side bottom plate of the outer frame, the electric winding wheels are located in the annular space between the outer frame and the first inner frame, and two ends of each of the folding ropes are connected to two electric winding wheels.
[0030] The working principle and beneficial effects of the present application are as follows:
[0031] In the well lid covering state of the application, the anti-falling net is gathered on one side of the inner ring of the annular track, that is, the plurality of moving assemblies are gathered on one side in the annular track, that is, the anti-falling net is pulled and gathered to one side through the traction rope, that is, the well mouth is in an unobstructed state; the first telescopic driving part is controlled to be elongated, the well lid is gradually turned up and opened around the telescopic end of the auxiliary telescopic driving part, the auxiliary telescopic driving part also synchronously assists to support and rise, after the personnel who needs to go down the well are down the well after the well lid is opened, at this time, the moving assemblies start to move and gradually disperse in the annular track, so that all the moving assemblies are equidistantly arranged in the annular track, the traction ropes are equidistantly arranged, and then the gathered anti-falling net is unfolded to the well mouth position, in the case that the well lid is opened or the well lid is damaged and lost, the anti-falling net can be unfolded automatically, the personnel from falling into and being injured are avoided, the step of manually installing the anti-falling net is saved, and manual well going up and down is facilitated, and since the number of the traction ropes on the anti-falling net is large, the support strength of the anti-falling net is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0032] The application will be further described in detail below in combination with the drawings and specific embodiments.
[0033] Figure 1 It is a first perspective structural schematic view of the intelligent well lid with the safety protection device of the application.
[0034] Figure 2 It is a second perspective structural schematic view of the intelligent well lid with the safety protection device of the application.
[0035] Figure 3 It is a first perspective structural schematic view of the intelligent well lid with the safety protection device of the application. Figure 1
[0036] Figure 4 It is a first perspective structural schematic view of the intelligent well lid with the safety protection device of the application.
[0037] Figure 5 It is a second perspective structural schematic view of the intelligent well lid with the safety protection device of the application.
[0038] Figure 6 It is a first perspective structural schematic view of the intelligent well lid with the safety protection device of the application.
[0039] Figure 7 It is a third perspective structural schematic view of the intelligent well lid with the safety protection device of the application.
[0040] Figure 8 It is a fourth perspective structural schematic view of the intelligent well lid with the safety protection device of the application.
[0041] Figure 9 It is a first perspective structural schematic view of the intelligent well lid with the safety protection device of the application. Figure 8
[0042] Figure 10 For the present invention Figure 8 Enlarged view of C area in the present invention
[0043] Figure 11 For the present invention
[0044] Figure 12 For the present invention
[0045] Figure 13 For the present invention
[0046] Figure 14 For the present invention
[0047] In the figure: 1, outer frame; 2, first telescopic driving part; 3, auxiliary telescopic driving part; 4, manhole cover; 5, annular track; 6, first inner frame; 7, second inner frame; 8, anti-falling net; 9, electric sliding seat; 10, traction rope; 11, mounting seat; 12, electric winding wheel; 13, second telescopic driving part; 14, fixed socket; 15, pressure sensor; 16, lifting driving part; 17, warning board; 18, protective airbag cushion; 19, first air pump valve; 20, second air pump valve; 21, electric winding wheel; 22, folding rope; 23, fixed fork. DETAILED DESCRIPTION
[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0049] Embodiment 1
[0050] As shown in the figure, the present embodiment proposes an intelligent manhole cover with safety protection device, which comprises an outer frame 1, Figures 1-12 a first telescopic driving part 2, a fixed end of the first telescopic driving part 2 is hinged to an inner wall of the outer frame 1,
[0051] an auxiliary telescopic driving part 3, the auxiliary telescopic driving part 3 is provided with two, a fixed end of the two auxiliary telescopic driving parts 3 is fixedly connected to the inner wall of the outer frame 1,
[0052] a manhole cover 4, the manhole cover 4 is hinged to the telescopic end of the two auxiliary telescopic driving parts 3, the manhole cover 4 is hinged to the telescopic end of the first telescopic driving part 2, the first telescopic driving part 2 is located between the two auxiliary telescopic driving parts 3,
[0053]
[0054] Further comprising a fall arrest net 8, which is installed on the outer frame 1 through a folding mechanism.
[0055] The folding mechanism comprises,
[0056] A ring-shaped track 5, which is installed on the bottom of the outer frame 1,
[0057] A plurality of traction ropes 10, which are connected in a ring shape at equal intervals on the outer ring surface of the fall arrest net 8, and the end of each traction rope 10 away from the fall arrest net 8 is slidably connected to the ring-shaped track 5 through a moving assembly.
[0058] Further comprising a first inner frame 6 and a second inner frame 7, the first inner frame 6 is fixedly connected to the upper part of the inner ring surface of the ring-shaped track 5, and the second inner frame 7 is fixedly connected to the lower part of the inner ring surface of the ring-shaped track 5, and there is an annular gap between the first inner frame 6 and the second inner frame 7, through which the traction ropes 10 pass.
[0059] The first inner frame 6 is provided with a through groove at a position opposite to the first telescopic drive 2, for accommodating the rotating first telescopic drive 2.
[0060] In this embodiment, in the state that the well lid is closed, the fall arrest net 8 is gathered on one side of the inner ring of the ring-shaped track 5, that is, a plurality of moving assemblies are gathered on one side in the ring-shaped track 5, that is, the fall arrest net 8 is pulled and gathered to one side through the traction ropes 10, that is, the well mouth is in an unobstructed state; the first telescopic drive 2 is controlled to be elongated, driving the well lid 4 to gradually overturn and open upward around the telescopic end of the auxiliary telescopic drive 3, and the auxiliary telescopic drive 3 also synchronously assists to support and rise, after the personnel who need to go down the well are down the well after the well lid is opened, at this time the moving assemblies start to move in the ring-shaped track 5 and gradually disperse, so that all the moving assemblies are arranged at equal intervals in the ring-shaped track 5, so that the traction ropes 10 are arranged at equal intervals, and then the gathered fall arrest net 8 is unfolded to the well mouth position, in the case that the well lid 4 is opened or the well lid is damaged and lost, the fall arrest net 8 can be unfolded automatically, avoiding pedestrians from falling and being injured, saving the step of manually installing the fall arrest net 8, and facilitating manual well going up and down, and at the same time, due to the large number of traction ropes 10 on the fall arrest net 8, the supporting strength of the fall arrest net 8 is greatly improved.
[0061] Embodiment 2
[0062] On the basis of the first specific embodiment, as Figures 1-12As shown, the moving assembly is an electric sliding seat 9, the electric sliding seat 9 is slidingly arranged in the annular track 5, the traction rope 10 is slidingly arranged through the through hole on the electric sliding seat 9, the electric sliding seat 9 is provided with a rope winding assembly, the traction rope 10 is wound on the rope winding assembly, and the rope winding assembly is in the annular cavity of the annular track 5.
[0063] The rope winding assembly comprises a mounting seat 11 and an electric winding wheel 12, the mounting seat 11 is provided with two, the two mounting seats 11 are mounted on the side of the electric sliding seat 9 away from the safety net 8, and the electric winding wheel 12 is mounted between the two mounting seats 11. The traction rope 10 is wound on the electric winding wheel 12.
[0064] Further comprising a locking assembly mounted on the electric sliding seat 9, the locking assembly comprises,
[0065] A second telescopic driving member 13 is mounted on the electric sliding seat 9,
[0066] A fixed fork 23 is fixedly connected to the telescopic end of the second telescopic driving member 13,
[0067] A fixed socket 14 is fixedly connected to the electric sliding seat 9, and the fixed socket 14 is provided with a socket hole corresponding to the fixed fork 23.
[0068] In the prior art, since the safety net 8 is manually suspended, the safety net 8 is relatively loose and unstable, and there is a gap between the outer ring edge of the safety net 8 and the inner edge of the well mouth, so the legs of pedestrians are easy to be clamped into the gap, and the protection effect is poor.
[0069] In the embodiment, after the personnel who need to go down the well open the well cover and go down the well, the moving assembly starts to move in the annular track 5 and gradually disperses, that is, a plurality of electric sliding seats 9 slide in the annular track 5, so that all the electric sliding seats 9 are arranged at equal intervals in the annular track 5, so that the traction ropes 10 are arranged at equal intervals, and then the gathered safety net 8 is unfolded to the well mouth position. At this time, since the safety net 8 is circular, the length of each traction rope 10 is different in the gathered state of the safety net 8, so in the initial stage of unfolding of the safety net 8, the safety net 8 body is relatively loose and falls, and there is a large gap between the outer ring edge of the safety net 8 and the inner edge of the well mouth, which cannot be used normally. At this time, the corresponding electric winding wheel 12 is controlled to be wound, the corresponding traction rope 10 is pulled tight according to the different lengths of each traction rope 10, and then the safety net 8 is tightened, the outer ring edge of the safety net 8 is also close to the inner edge of the well mouth, and a better protection effect is achieved, and pedestrians are not easy to clamp their legs into the gap between the safety net 8 and the inner edge of the well mouth.
[0070] After the anti-falling net 8 is tightened, the second telescopic drive 13 is elongated to drive the fixed fork 23 to move, the traction rope 10 is inserted and fixed, and the fixed fork 23 is inserted into the positioning hole of the fixed socket 14, so that the traction rope 10 is fixed, and the stability of the anti-falling net 8 is improved.
[0071] Embodiment 3
[0072] Based on the second specific embodiment, as shown in Figures 1-14 The fixed socket 14 and the electric sliding seat 9 are provided with a pressure sensor 15.
[0073] Further comprising a lifting drive 16 and a warning board 17, the outer frame 1 and the first inner frame 6 form an annular space, the lifting drive 16 is provided with a plurality of lifting drives 16, the lifting drive 16 is installed on the inner side bottom plate of the outer frame 1, the lifting drive 16 is located in the annular space between the outer frame 1 and the first inner frame 6, the warning board 17 is a reflective color, and the warning board 17 closes the upper opening of the annular space between the outer frame 1 and the first inner frame 6.
[0074] In this embodiment, after the well lid 4 is opened, the lifting drive 16 is raised to drive the warning board 17 to move upward, and the reflective characteristics of the warning board 17 itself warn pedestrians passing by during the day and night.
[0075] Further comprising a protection assembly, the protection assembly comprises,
[0076] The protection air bag cushion 18 is provided with a plurality of protection air bag cushions 18, the protection air bag cushion 18 is installed on the inner side bottom plate of the outer frame 1, and the protection air bag cushion 18 is located in the annular space between the outer frame 1 and the first inner frame 6,
[0077] The first air pump valve 19 is installed on the protection air bag cushion 18, and the first air pump valve 19 is used to inflate the protection air bag cushion 18,
[0078] The second air pump valve 20 is installed on the protection air bag cushion 18, and the second air pump valve 20 is used to deflate the protection air bag cushion 18,
[0079] The gathering rope 22 is connected to the gathering rope 22 on the edge of each gathering rope 22,
[0080] The electric winding wheel 21 is provided with a plurality of electric winding wheels 21, the electric winding wheel 21 is installed on the inner side bottom plate of the outer frame 1, and the electric winding wheel 21 is located in the annular space between the outer frame 1 and the first inner frame 6, and the two ends of each gathering rope 22 are connected to two electric winding wheels 21.
[0081] When the pedestrian steps on the fall protection net 8, the center of gravity of the human body is easy to deviate, and the person is easy to fall and get hurt.
[0082] In this embodiment, after the pedestrian accidentally steps into the fall protection net 8, the fall protection net 8 pulls the traction rope 10 tight, and then the traction force of the traction rope 10 is transmitted to the fixed fork 23, the fixed fork 23 transmits the traction force to the fixed socket 14 and the pressure sensor 15, the pressure sensor 15 detects the pressure signal and immediately sends a signal to control the first air pump valve 19 to inhale, and the protective air bag pad 18 is inflated;
[0083] Since the warning board 17 moves upward to be in an open state, the electric winding wheel 21 rotates to release the collected rope 22 at the same time of the inflation of the protective air bag pad 18, and then the protective air bag pad 18 expands in the process of inflation, expands out of the annular space between the outer frame 1 and the first inner frame 6 and extends away from the wellhead, a plurality of protective air bag pads 18 expand at the same time, and then a ring-shaped pad protection is formed around the wellhead, which avoids the pedestrian from getting hurt after falling down and plays a role of intelligent protection.
[0084] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A smart manhole cover with safety protection device, comprising an outer frame (1), a first telescopic driving member (2), the fixed end of the first telescopic driving member (2) being hinged to the inner wall of the outer frame (1), auxiliary telescopic driving members (3), two auxiliary telescopic driving members (3) being provided, the fixed ends of the two auxiliary telescopic driving members (3) being fixed to the inner wall of the outer frame (1), a manhole cover (4), the manhole cover (4) being hinged to the telescopic ends of the two auxiliary telescopic driving members (3), the manhole cover (4) being hinged to the telescopic end of the first telescopic driving member (2), the first telescopic driving member (2) being located between the two auxiliary telescopic driving members (3), characterized in that further comprising a fall arrest net (8), the fall arrest net (8) being installed on the outer frame (1) through a folding mechanism; the folding mechanism comprising, a ring-shaped track (5) installed at the bottom of the outer frame (1), traction ropes (10), a plurality of traction ropes (10) being provided, the plurality of traction ropes (10) being connected in a ring shape at equal intervals on the outer ring surface of the fall arrest net (8), and the end of each traction rope (10) away from the fall arrest net (8) being slidably connected to the ring-shaped track (5) through a moving assembly; further comprising a first inner frame (6) and a second inner frame (7), the first inner frame (6) being fixed to the upper part of the inner ring surface of the ring-shaped track (5), the second inner frame (7) being fixed to the lower part of the inner ring surface of the ring-shaped track (5), and a ring-shaped gap being left between the first inner frame (6) and the second inner frame (7), the traction ropes (10) passing through the ring-shaped gap; further comprising a protection assembly, the protection assembly comprising, protective airbag cushions (18), a plurality of protective airbag cushions (18) being provided, the plurality of protective airbag cushions (18) being installed on the inner side bottom plate of the outer frame (1), and the plurality of protective airbag cushions (18) being located in the ring-shaped space between the outer frame (1) and the first inner frame (6) and arranged in a ring shape at equal intervals, a first air pump valve (19) installed on the protective airbag cushion (18), the first air pump valve (19) being used to inflate the protective airbag cushion (18), a second air pump valve (20) installed on the protective airbag cushion (18), the second air pump valve (20) being used to deflate the protective airbag cushion (18), folding ropes (22), one folding rope (22) being connected to the edge of each folding rope (22), a plurality of electric winding wheels (21) being provided, the plurality of electric winding wheels (21) being installed on the inner side bottom plate of the outer frame (1), and the plurality of electric winding wheels (21) being located in the ring-shaped space between the outer frame (1) and the first inner frame (6), and the two ends of each folding rope (22) being connected to two electric winding wheels (21).
2. The intelligent manhole cover with safety protection device according to claim 1, characterized in that, a through groove is opened at the position opposite to the first telescopic driving member (2) of the first inner frame (6), for accommodating the rotating first telescopic driving member (2).
3. The intelligent manhole cover with safety protection device according to claim 2, characterized in that, The moving assembly is an electric sliding seat (9), the electric sliding seat (9) is slidably arranged in the annular track (5), the traction rope (10) is slidably arranged through the through hole on the electric sliding seat (9), the electric sliding seat (9) is provided with a rope winding assembly, the traction rope (10) is wound on the rope winding assembly, and the rope winding assembly is located in the annular cavity of the annular track (5).
4. The intelligent manhole cover with safety protection device according to claim 3, characterized in that, The rope winding assembly comprises a mounting seat (11) and an electric winding wheel (12), the mounting seat (11) is provided with two, the two mounting seats (11) are mounted on the side of the electric sliding seat (9) away from the safety net (8), and the electric winding wheel (12) is mounted between the two mounting seats (11). The traction rope (10) is wound on the electric winding wheel (12).
5. The intelligent cover with safety protection device according to claim 4, characterized in that, Further comprising a locking assembly, the locking assembly is mounted on the electric sliding seat (9), the locking assembly comprises, A second telescopic driving member (13) is mounted on the electric sliding seat (9), A fixed fork (23) is fixedly connected to the telescopic end of the second telescopic driving member (13), A fixed socket (14) is fixedly connected to the electric sliding seat (9), and the fixed socket (14) is provided with a socket hole corresponding to the fixed fork (23).
6. The intelligent cover with safety protection device according to claim 5, characterized in that, A pressure sensor (15) is mounted between the fixed socket (14) and the electric sliding seat (9).
7. The intelligent cover with safety guard according to claim 6, characterized in that, Further comprising a lifting driving member (16) and a warning board (17), an annular space is formed between the outer frame (1) and the first inner frame (6), a plurality of lifting driving members (16) are mounted on the inner side bottom plate of the outer frame (1), the lifting driving members (16) are located in the annular space between the outer frame (1) and the first inner frame (6), the warning board (17) is of a reflective color, and the warning board (17) closes the upper opening of the annular space between the outer frame (1) and the first inner frame (6).
Citation Information
Patent Citations
Municipal inspection well safety monitoring device and monitoring method
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