Patent Application
20250075460
The present invention relates generally to a manhole cover structure, and more particularly to a buried concealable intelligent manhole cover that includes a function of wireless charging and self-opening.
The modern roads re often provided a number of manhole covers, a majority of which is made of iron or a metallic material and is exposed on the road surface. Further, most of the roads are constructed to have an asphalt surface or a concrete surface, which is different from the material that makes the manhole covers, although such roads can be made flat and smooth, so that pedestrians or vehicles, when passing thereover, may have perception of heterogeneity. Further, the roads require constant maintenance, and irregularity between a just maintained road surface and a manhole cover becomes more significant. Such a road surface may easily cause tipping of a pedestrian or a motorcycle or a battery-powered vehicle. Although numerous construction solutions are currently available for re-elevating a manhole cover for re-pavement for flatness, yet the cost for such maintenance is high, and the operation time is long, the technical difficulty being high, and equipment and tools specifically for such purposes must be used. Further, if cement or plastics are applied to fix a new frame, then it needs for 2-5 more days for curing before the road can be used.
Thus, it is desired to provide a buried concealable intelligent manhole cover to alleviate the above problems.
In view of the above problems, the present invention provides a buried concealable intelligent manhole cover, which comprise a buried concealable intelligent manhole cover, comprising ground, and the buried concealable intelligent manhole cover further comprises a fixing frame and elevation mechanisms. The fixing frame is arranged on an inside upper surface of a T-shaped cavity formed in the ground. A manhole cover is arranged on an upper end of the fixing frame. The manhole cover has an elevating function that is controlled with a plurality of uniformly distributed elevation mechanisms. Each of the elevation mechanisms is fixed in the interior of the fixing frame. An electrical power controller is buried in the ground at one end of the fixing frame for controlling operation of the elevation mechanisms. An electrical power receiving coil is arranged at an upper end of the electrical power controller to receive electrical power transmitted from an electrical power transmitter of a wireless charger arranged on the ground (not an under-ground electrical power system). A fixing ring is fixed at an upper end of the fixing frame and at an outside of the manhole cover for reinforcing a structural capability of the manhole cover and reducing cover opening resistance. A ground indication frame is mounted on an upper end of the fixing ring for recording a location of the electrical power receiving coil for wireless charging and isolating a top of the manhole cover and an asphalt ground or concrete covering the ground.
Preferably, the elevation mechanisms comprise reduction gear boxes, and a plurality of uniformly distributed reduction gear boxes are mounted to an inside surface of the fixing frame. The reduction gear box has an input end to which an electrical machine controlled by the electrical power controller is fixed. The reduction gear box has an output end that is fixedly connected to a lifting bolt. Each of the lifting bolts has a nut that is connected to the fixing frame. Each of the lifting bolts has an upper end on which the manhole cover is positioned and supported. Symmetrically arranged guide poles are arranged at one side of the reduction gear box to prevent the reduction gear box from rotating when set in operation of rotation and form a track to assist upward and downward sliding of the reduction gear box. Each of the guide poles has an upper end fixedly connected to the fixing frame.
Preferably, the ground indication frame is formed of multiple frames and comprises a material that is a soft material.
Preferably, the manhole cover is completely buried under the ground at a depth of around 1 centimeter to 50 centimeters and has a surface that is covered with a ground material (which is asphalt or concrete).
Preferably, asphalt or concrete ground covering the upper end of the manhole cover and an upper end of the ground indication framer kept in flush with an upper end of the ground.
Compared to the prior art, the efficacy of the present invention is as follows:
(1) The manhole cover is provided with elevations mechanism that are controlled by an electrical power controller. An operator on the ground only needs to hand-hold an electrical power transmitter of a wireless charger to transmit an indicated location of an electrical power receiving coil for wireless charging to perform electrical charging so as to realize opening and closing of the manhole cover. This enhances the maintenance efficiency. The manhole cover does not break the ground and does not require human labor for pulling out, so as to reduce human labor required. Further, due to the wireless charging technology, the intelligent manhole cover requires no externally connected electrical power for opening and closing, and also requires no wiring arrangement for laying electrical wires, thereby enhancing the practical utilization thereof.
(2) The manhole cover is provided with a ground indication frame that is of a soft material and has a multiple frame structure and a manhole cover on which an asphalt or concrete ground is paved, so that the ground surface can be kept absolutely level, without bumpiness and irregularity or perception of heterogeneity, and even having being subjected to multiple times of ground maintenance, the absolute levelness of the ground can still be ensured to improve the experience of vehicle passing over the manhole cover and also helping accelerate paving of the ground with only requirement of increasing or decreasing the ground indication frames of soft material to maintain the height of the new ground, the other portions being directly paved with new ground material. The ground maintenance for the portion of the manhole cover can be done in several hours, so as to greatly increase the paving efficiency and using the minimum material cost, and not need to make large area excavation on the original ground, and not need specific tools, and the road is completely level after maintenance, without the need of re-paving a large amount of concrete and fixing glue, and without the need to wait for curing of the materials
Referring to
Referring to
The elevation mechanisms comprise reduction gear boxes 6, and a plurality of uniformly distributed reduction gear boxes 6 are mounted on an inside surface of the fixing frame 2. The reduction gear box 6 has an input end to which an electrical machine 7 controlled by the electrical power controller 10 is fixed. The reduction gear box 6 has an output end that is fixedly connected to a lifting bolt 5. Each of the lifting bolts 5 has a nut that is connected to the fixing frame 2. Each of the lifting bolts 5 has an upper end on which the manhole cover 3 is positioned and supported. Symmetrically arranged guide poles 8 are arranged at one side of the reduction gear box 6 to prevent the reduction gear box 6 from rotating when set in operation of rotation and form a track to assist upward and downward sliding of the reduction gear box 6. Each of the guide poles 8 has an upper end fixedly connected to the fixing frame 2. The electrical power controller 10 controls the plurality of uniformly distributed electrical machines 7 to execute an instruction of driving the reduction gear box 6 to rotate and drive the lifting bolt 5 to rotate. The lifting bolts 5 rotating in the interior of the fixing frame 2 drive the manhole cover to move upward, so as to open the manhole cover 3 and completing the function of the elevation mechanism.
The ground indication frame 4 is formed of multiple frames and is made of a material that is a soft material. The ground indication frame 4 uses the multiple frames to adjust a height difference the frame of the manhole cover 3 and the ground 1.
The manhole cover 3 is completely buried under the ground 1 at a depth of around 1 centimeter to 50 centimeters and may be covered with a ground material (such as asphalt or concrete) on the surface thereof. The asphalt or concrete ground 1 covering the upper end of the manhole cover 3 and an upper surface of the ground indication frame 4 are kept in flush with an upper end of the ground 1 to enhance levelness of the ground and automobiles and battery-powered vehicles or motorcycles will have excellent experience of being comfortable and having no perception of heterogeneity when passing over the manhole cover 3.
The operation principle of the present invention is as follows:
When it is desired to open the manhole cover 3, it only needs that an on-ground operator hand-holds an electrical power transmitter of a wireless charger to perform charging to an indicated location of the electrical power receiving coil 9 (a wireless capacity of transmitting 2000 W/hour in a distance of 50 centimeters being available) to have achieve electrical charging to the electrical power controller 10 of the entire buried concealable intelligent manhole cover 3, and the electrical power controller 10 starts interaction through wireless signals with the operator, so that when the electrical power controller 10 receives an instruction of opening the manhole cover 3, the electrical power controller 10 controls the plurality of uniformly distributed electrical machines 7 to execute an instruction of drive the reduction gear boxes 6 to rotate and drive the lifting bolts 5 to rotate, and the lifting bolts 5 rotating in the interior of the fixing frame 2 cause the manhole cover to move upward to thereby open the manhole cover 3, completing the function of elevation mechanism, and after the operation is done, the ground is restored with a minimum cost (because there is no damage to the ground), and as such, the function of the buried concealable intelligent manhole cover is completed.
