42results about How to "Does not affect normal walking" patented technology

The invention relates to a knee joint structure used for a lower limb exoskeleton robot. A shank assembly is connected with a thigh assembly through a four-bar linkage knee joint, and a gas spring is further mounted between the shank assembly and the thigh assembly. One end of the gas spring is connected to the thigh assembly, and the other end of the gas spring is in sliding connection with a gas spring sliding groove mechanism fixed to the shank assembly. By utilizing the gas spring to provide assistance, conversion from standing to sitting and conversion from sitting to standing are realized. When a user normally walks, the slip of the gas spring, caused by the bending of the knee joint, cannot reach the bottom of the gas spring sliding groove mechanism, so that the gas spring is not compressed or stressed, and normal walking is not affected. When the user wants to convert from standing to sitting or convert from sitting to standing, the slip of the gas spring, caused by the bending of the knee joint, can reach the bottom of the gas spring sliding groove mechanism, the gas spring is compressed and stressed, and energy is stored, so that assistance is provided for converting from standing to sitting and converting from sitting to standing.

The invention discloses an auxiliary supporting device of a firefighting robot. The auxiliary supporting device is capable of enhancing the friction force and the support force of the firefighting robot to the ground so as to resist the recoil force generated in water cannon shooting of the firefighting robot. The firefighting robot is supported at the back on the ground; the auxiliary supporting device is arranged at the tail part of the firefighting robot; the auxiliary supporting device comprises a moving mechanism and a nail-provided chassis which is positioned at the end part of the moving mechanism; when the firefighting robot is in a walking state, the nail-provided chassis is not in contact with the ground; when the firefighting robot reaches a target place and finds a shooting position, the moving mechanism is used for driving the nail-provided chassis to move until the nail-provided chassis is in contact with the ground; the counter-acting force generated by the nail-provided chassis and the ground and the friction force generated by the own weight of a car body co-resist the recoil force, so that the firefighting robot is prevented from overturning during water cannon shooting.

The invention discloses an external artificial knee joint-noninvasive correction device for knee joint osteoarthropathy. The Correction device consists of a shank support, a far-end coupling screw, a regulating system, a near-end coupling screw, a thigh support and a regulating spanner, wherein the regulating system is the core part of the correction device; a worm gear at one end of the regulating system is in fastened connection with the shank support plate of the shank support through the far-end coupling screw; and a rotary plate at the other end of the regulating system is in fastened connection with a thigh support plate on the thigh support through the near-end coupling screw, so that the main body of the correction device is formed; the regulating spanner is sleeved on the worm of the regulating system, the regulating system can change an angle between the shank support and the thigh support of the correction device through rotating the regulating spanner; and furthermore, the change of the angulation of the knee joint is realized, and the knee joint osteoarthropathy correction is completed. The correction device can be used for effectively correcting the knee joint osteoarthropathy, and can also be used for correcting patients suffering from genu varum or genu valgum in real time.

The embodiment of the invention provides an obstacle crossing wheel device and a self-walking robot. The obstacle crossing wheel device comprises a wheel body and an obstacle crossing assembly. The wheel body is provided with a rotating axis and a walking surface. The obstacle crossing assembly comprises a mounting base, supporting legs and elastic pieces, the mounting base and the wheel body synchronously rotate around the rotating axis, the supporting legs can slide in the inner-outer direction of the wheel body relative to the mounting base, and the elastic pieces apply acting force towardsthe outer side of the wheel body to the supporting legs so that the ends, away from the rotating axis, of the supporting legs can protrude out of the walking surface. According to the obstacle crossing wheel device, when the obstacle crossing wheel device encounters an obstacle, one end of each supporting leg abuts against the top surface of the obstacle, in the climbing process, overturning is conducted with the contact point of the supporting leg and the obstacle as the supporting point, the friction force between the wheel body and the obstacle is increased through the supporting point, and the obstacle crossing wheel device can be assisted in climbing over the obstacle.

The invention belongs to the technical field of related exoskeleton, and discloses a wearable exoskeleton chair. The exoskeleton chair comprises a human body connecting assembly, a thigh structure assembly, a shank structure assembly and a sitting position supporting assembly, wherein the shank structure assembly is glidingly connected to the thigh structure assembly; two ends of the sitting position supporting assembly are correspondingly connected to the thigh structure assembly and the shank structure assembly; the sitting position height of the exoskeleton chair can be adjusted by adjusting the sitting position; the sitting position supporting assembly comprises a supporting rod, a positioning lug ring sliding block, a positioning pin, an eccentric wheel and a driving assembly; the driving assembly is arranged on the shank structure assembly, and an output shaft of the driving assembly is connected to the eccentric wheel; one end of the supporting rod is rotationally connected to the thigh structure assembly, and the other end of the supporting rod is rotationally connected to the positioning lug ring sliding block; the positioning pin is connected to the positioning lug ring sliding block and is glidingly connected to the eccentric wheel. The wearable exoskeleton chair is high in adaptability and cannot influence normal walking after being worn.

The invention provides an automatic intelligent cleaning machine for a hog house and a cleaning method thereof. The cleaning machine comprises a support walking system, a cleaning system, a lifting system, an energy storage system and a control system. The support walking system comprises walking wheels installed at the left and right sides of a vehicle base, a front auxiliary wheel installed in the front of the bottom of the vehicle base, two rear auxiliary wheels installed at the rear end of the vehicle base and direct current gear motors installed on the vehicle base. There are two direct current gear motors. The walking wheels at each side are driven to be moved by one driving shaft. The front auxiliary wheel and the two walking wheels form three points to support the vehicle base. Ina normal working state of the cleaning machine, the two rear auxiliary wheels do not contact with the ground. The cleaning system comprises two crank arms which are symmetrically installed in the front of the vehicle base. Each crank arm is vertically and rotatably connected with one push plate through a hanging shaft. The automatic intelligent cleaning machine is convenient to use, complete in cleaning, energy-saving and environment-friendly, and capable of realizing a full-automatic cleaning mode of the hog house, and improving an environment condition of the hog house.

The invention relates to the technical field of environmental protection, in particular to a formaldehyde gas purifier for a living room. The purifier comprises universal wheels, a control mechanism,a support column, a box body, a collecting mechanism, a fixing mechanism, a retaining mechanism, a partition plate, a storage battery, a compression mechanism, a solenoid valve, a cooling mechanism and a shock absorbing mechanism; when the temperature in concrete is high, the control mechanism switches on the solenoid valve, the cooling mechanism sprays mist to the surface of the concrete to reduce the temperature of the concrete instead of directly spraying water to the surface of the concrete, and therefore the surface of the concrete is prevented from being impacted by water; the retainingmechanism is arranged around the concrete and encloses uncondensed concrete, the situation that sunlight rainwater is directly sprayed to the surface of the concrete is avoided, and the concrete is protected; the shock absorbing mechanism is arranged around the concrete, when a vehicle passes by the concrete, the ground transmits vibration to the shock absorbing mechanism to cause vibration, the vibration energy is reduced, shock absorption on the concrete is conducted, and the situation is avoided that the uncondensed concrete greatly vibrates due to ground vibration and cracks.

The invention discloses a plantation module for roof greening. The plantation module is formed by a body, holes and connecting bumps. One or more holes are uniformly distributed in the body. One or more connecting bumps are uniformly distributed on the edge of the body. In addition, the invention further discloses a greening planting method utilizing the plantation module for roof greening. The plantation module facilitates planting, maintaining and transporting, the growth density of plants can be well controlled, organic fertilizer is not prone to losing, fertilizer supplementation is not needed, the plantation module has a good ventilation property, water at the bottom of the module can be kept better and is not prone to evaporating, the green period of the plants is longer, attractiveness and a heat insulation property are improved obviously, and people can walk normally on the roof surface of a balcony without being influenced. A material of the module is convenient and easy to obtain, industrialization scale production can be achieved, and the greening method is simple, easy to implement, and beneficial for promoting application and popularization of roof greening.

The invention relates to a leg type orthotic device. The leg type orthotic device comprises a rigid framework used for being arranged at the outer sides of the legs of the human body during use, wherein the rigid framework is composed of an upper framework body and a lower framework body which are connected with each other through a hinge structure, the upper framework body is provided with thighbandages used for fixing the upper framework body and the thighs, the lower framework body is provided with orthotic force application rods capable of being adjusted laterally through threads, and theinner sides of the orthotic force application rods are provided with crus bandages used for being connected with the cruses. The leg type orthotic device solves the technical problem that the use ofa leg type orthotic device in the prior art can be affected due to the interference of a rigid positioning piece between the left leg and the right leg during use.

The invention discloses a site sweeping device which comprises a walking mechanism containing a rack and wheels. The site sweeping device further comprises a diesel engine, a power device and a sweeping disc device, wherein the diesel engine is provided with an oil tank and a hydraulic pump, the diesel engine and the power device are connected to the rack, the sweeping disc device is connected to the power device, and the power device drives the sweeping disc device to rotate. The site sweeping device can sweep a site through mechanical devices, and improves sweeping efficiency.

The invention relates to a simulation experiment device for gas extraction spontaneous combustion in a coal bed gob region. The simulation experiment device comprises two side wall channels and a U-shaped channel connected between the two side wall channels and composed of a bottom channel, one side wall channel forms an air inlet roadway, the other side wall channel forms an air return roadway, an inner hole of the bottom channel forms the gob region, coal storage sandwiched layers used for placing coal briquettes are arranged on the channel walls of the top and the bottom of the U-shaped channel, ventilating holes are formed in the walls of the sides, close to the inner cavity of the U-shaped channel, of the coal storage sandwiched layers, and multiple layers of coal storage plates usedfor placing the coal briquettes are arranged at intervals on the lateral channel walls of the U-shaped channel in the vertical direction. The simulation experiment device solves the problem that in the prior art, the coal briquettes are only placed at the bottom of the gob region, and since the number of the coal briquettes and the number of coal briquettes in a real extraction construction are large in difference, spontaneous combustion can not be formed.

The invention provides a leg shape correction device and belongs to the technical field of medical equipment. The leg shape correction device comprises two correction mechanisms, wherein each correction mechanism comprises a knee sleeve ring I, a knee sleeve ring II and a shank sleeve ring; each knee sleeve ring I comprises a left fixed block I, a right fixed block I and two elastic bands I whichare transversely symmetrically arranged; each knee sleeve ring II comprises a left fixed block II, a right fixed block II and two elastic bands II which are transversely symmetrically arranged; hinging plates I are arranged on the lower side faces of each left fixed block I and each right fixed block I; hinging plates II are arranged on the upper side faces of each left fixed block II and each right fixed block II; the hinging plates II are hinged to the corresponding hinging plates II through pin shafts; a storage battery is arranged on the upper side face of each left fixed block I and an electromagnet is arranged on the right side face of each right fixed block I through a bracket; a controller is arranged on the right side face of each right fixed block II; each electromagnet is electrically connected with the corresponding storage battery through the controller. The leg shape correction device provided by the invention can be used for correcting a leg shape by utilizing a repelling force and an attraction force of the electromagnets and is simple and practical.

The invention discloses a pipeline robot pre-tightening mechanism with a pressure self-adaptive adjustment function. A pipeline robot is provided with a robot main body and a main driving motor arranged on the robot main body, and the pipeline robot pre-tightening mechanism comprises an adjusting mechanism and a plurality of tensioning mechanisms, wherein each tensioning mechanism comprises a wheel carrier, a driving rolling wheel and a buffering device, one ends of the wheel carriers are hinged to the robot main body through first hinge pieces, the other ends of the wheel carriers are hingedto one ends of the buffer devices through second hinge pieces, the adjusting mechanism comprises a driving device and a moving assembly, the moving assembly is hinged to the other ends of the buffering devices through third hinge pieces, and the moving assembly is driven by the driving device to move linearly. The pipeline robot pre-tightening mechanism can adapt to the pipe bending environment, and can adjust the pre-tightening force in real time when obstacles are encountered or the pipe diameter changes within a certain range, so that smooth operation of a driving unit is achieved; and in addition, self-adaptive micro-adjustment of the pre-tightening force of the single driving rolling wheels can be achieved when micro-obstacles are encountered.

The invention relates to a sealed floor washing sanitation vehicle in the technical field of sanitation. The sealed floor washing sanitation vehicle comprises a tractor head and an on-board controllerarranged on the tractor head, a hollow compartment with a hollow structure and an open lower end, a shower mechanism arranged in the hollow compartment, a mist discharge passage, a filter mechanism and a spray mechanism arranged on the top of the hollow compartment. Not only can not affect the normal walking of pedestrians when washing the floor, but also can remove the dust above the road.

The invention relates to a cultivator, which comprises a supporting wheel, an engine cooling device, a weed rake and a weed extractor, wherein the supporting wheel is located at the front end of the cultivator and can rise and fall, the engine cooling device is located at the front end of the cultivator, the weed rake is located at the rear end of the cultivator and can rise and fall, and the weed extractor is located at the rear end of the cultivator and is provided with a height adjustable device; a travelling wheel comprises a wheel axle, a spoke and an inner wheel connected with the spoke; the inner wheel is provided with an angle plate; one side edge of the angle plate is fixedly provided with a guard plate. The cultivator provided by the invention is compact in structure, diversified in function, convenient and practical, and is suitable for spaced crops of corn, orchard fruits, tobacco, green Chinese onion and the like.

The invention relates to an intelligent agricultural machine with obstacle crossing capability. The intelligent agricultural machine comprises a frame provided with a front traveling wheel and a rear traveling wheel, the front traveling wheel is connected with the frame through a damping mechanism, the damping mechanism comprises a pneumatic rod and a connecting rod which are arranged up and down, one end of the connecting rod is hinged with the frame, and a hinge shaft is fixed at the other end of the connecting rod; the hinge shaft is rotatably matched with a hinge hole in the front walking wheel, a large gear is fixed to the hinge shaft, a small gear in meshed transmission with the large gear is rotatably assembled on the front walking wheel, a connecting rod is fixed to a gear shaft of the small gear, and a laser displacement sensor used for irradiating laser forwards is arranged at the lower end of the connecting rod; and the laser displacement sensor is provided with a measuring position and a retracting position higher than the measuring position in the process of swinging along with the connecting rod, and when the laser displacement sensor is located at the measuring position, the height of the laser displacement sensor is consistent with the bottommost height of the front walking wheel. The invention provides the intelligent agricultural machine with the obstacle crossing capability, and the intelligent agricultural machine can cross ridges and can prevent the ridges from being damaged.

The invention discloses an orthopedic assistive device for mild hallux valgus deformity, which is characterized in that the orthopedic assistive device comprises a protective shell, a protective pad is arranged on the inner side of the protective shell, a locking device is arranged on the outer side of the protective shell, and the locking device comprises a spring bolt, a rotary switch and a memory leaf spring; the spring bolt is arranged on the locking device and is connected with one end of the memory leaf spring through a spring and the rotary switch, and the other end of the memory leaf spring is connected with a foot sleeve. The invention has the advantages of simple structure, light, small and exquisite style and convenient to carry, a hallux valgus patient can automatically adjust force applied by the orthosis according to the deformity degree and the pain degree of the hallux valgus patient, and the problem that hallux valgus deformity has different disease conditions is effectively solved.

The invention discloses a buried rainwater shunting system which comprises a shaft way, wherein a rainwater shunting device is arranged in the shaft way; a rainwater perforated strainer is arranged above the rainwater shunting device; the rainwater perforated strainer is fixedly arranged at the top of the shaft way through a well loop; the rainwater shunting device comprises a base plate; a passageway opening is formed in the middle of the base plate; a first fence is arranged on the peripheral edge of the passageway opening; a second fence is arranged on the peripheral edge of the base plate; a separation plate is arranged between the top of the first fence and the top of the second fence; a drainage pipeline is further arranged at the periphery of the second fence; the rainwater perforated strainer comprises a perforated strainer body; a plurality of first rainwater gaps are formed in the perforated strainer body; a plurality of second rainwater gaps are formed in the peripheral edges of the first rainwater gaps; the width of each second rainwater gap is less than that of each first rainwater gap; and flow turbulence bulges are further arranged on the surface of the perforated strainer body on one side, which is located in a first mesh region, of the second rainwater gaps. The buried rainwater shunting system can effectively separate rainwater and reduce the rainwater treatment difficulty and cost and is high in recycling efficiency.

The invention relates to a knee joint structure used for a lower limb exoskeleton robot. A shank assembly is connected with a thigh assembly through a four-bar linkage knee joint, and a gas spring is further mounted between the shank assembly and the thigh assembly. One end of the gas spring is connected to the thigh assembly, and the other end of the gas spring is in sliding connection with a gas spring sliding groove mechanism fixed to the shank assembly. By utilizing the gas spring to provide assistance, conversion from standing to sitting and conversion from sitting to standing are realized. When a user normally walks, the slip of the gas spring, caused by the bending of the knee joint, cannot reach the bottom of the gas spring sliding groove mechanism, so that the gas spring is not compressed or stressed, and normal walking is not affected. When the user wants to convert from standing to sitting or convert from sitting to standing, the slip of the gas spring, caused by the bending of the knee joint, can reach the bottom of the gas spring sliding groove mechanism, the gas spring is compressed and stressed, and energy is stored, so that assistance is provided for converting from standing to sitting and converting from sitting to standing.

A safety protection method for personnel on an iron working platform, in which permanent magnets are arranged in the soles of the safety shoes of users, and a plurality of magnetic yokes are arranged on the peripheral side of the permanent magnets; by rotating the position of the permanent magnets in the magnetic yokes, the The magnetic force line of the permanent magnet forms a circuit through the yoke and the iron working platform, and the safety shoes are fixed on the iron working platform; the magnetic force line is shielded by the yoke by rotating the permanent magnet, so that the permanent magnet does not show magnetism to the iron working platform, and then Separate the safety shoes from the iron work platform. A magnetic safety shoe, comprising a shoe sole, a through hole is opened on the shoe sole, and a radially magnetized cylindrical permanent magnet is arranged in the through hole, and two completely identical yokes are symmetrically arranged on the outer peripheral side of the permanent magnet A yoke air gap is set between the two yokes; a handle is fixedly connected to the upper end of the permanent magnet, and the handle extends out of the side of the sole. The invention enables the user to be fixed or detached from the iron working platform, so as to realize the flexible adjustment of the position.

The invention belongs to the technical field of safety production, and particularly provides a wellhead safety protection device which comprises a protective fence and a first cover plate, the protective fence is of a foldable frame structure, and the protective fence is erected around a wellhead; the first cover plate is installed on the side face of the protective fence and used for covering the well mouth. According to the wellhead safety protection device provided by the invention, the requirements of spot inspection and overhaul access functions of facilities on the lower layer of a vestibule of a belt conveyor are met, and the problem of potential safety hazards caused by the fact that a wellhead cover plate is not covered in time is thoroughly solved; the first cover plate and the protective guard are designed into a linkage device of an integrated structure, the structure is compact, folding and retracting are convenient, when the first cover plate is opened, the protective guard is unfolded at the same time, a fence is formed on the periphery of a wellhead, and the safety protection effect is also achieved; when the protective fence is folded downwards, the first cover plate can move downwards along with the protective fence to seal and cover the wellhead, operation is easy and convenient, and operation convenience is improved.

The invention provides a valve fastening device and a use method of the valve fastening device. The valve fastening device solves the problems that in the prior art, a valve is inconvenient to operateand hinders walk of staff. The valve fastening device comprises a rotating handle, a rotating shaft and multiple fixing forks. The rotating handle is fixed to the upper end of the rotating shaft andis perpendicular to the rotating shaft. The connection point between the rotating shaft and the rotating handle is located in the middle of the rotating handle. The extension direction of the rotatingshaft and the extension direction of a valve transmission shaft are identical. The fixing forks are arranged at the lower end of the rotating shaft. Each fixing fork is in an L shape, wherein one side of the L-shaped fixing fork is perpendicularly connected to the rotating shaft, and the other side of the L-shaped fixing fork is parallel to the rotating shaft and extends downwards. The L-shaped fixing forks are inserted into a hand wheel of the valve. The rotating handle is rotated to switch on or switch off the valve.

The invention provides a child walking posture detection and early warning device. The walking posture detection device is used for a child to wear on the foot; a data acquisition module is arranged on the walking posture detection device; the data acquisition module is used for recording foot bottom stress of the child, relative positions of the double feet and a gravity position of the child inwalking; a data processing module is used for processing child walking data acquired by the data acquisition module, and uploading the data to a data analysis module through a wireless transmission module; and the data analysis module is used for performing analytic comparison on the child walking data uploaded by the data processing module with average data of a database in the data analysis module, performing speculative analysis on a walking posture of a user, summarizing an abnormal problem and speculating possible causes. According to the device, the walking postures, gaits and walking habits of children can be detected to timely discover bad walking habits of the children, and the bad walking habits of the children are timely fed back to guardians for correction.

The invention discloses a rail electricity taking vehicle. The rail electricity taking vehicle walks on two rails, wherein one rail is connected with positive voltage, and the other rail is connected with negative voltage; the rail electricity taking vehicle comprises a frame, two walking wheel sets and a driving motor; each walking wheel set is provided with a main shaft, two walking wheels and two electricity taking rods abutting against the two walking wheels separately; each walking wheel is provided with an inner-layer roller, an outer-layer roller and an insulating sleeve isolating the inner-layer roller and the outer-layer roller, the inner-layer roller is locked and fixed to the end of the main shaft, the outer ring of the inner-layer roller is sleeved with the insulating sleeve, the outer ring of the insulating sleeve is sleeved with the outer-layer roller, and the outer-layer roller walks on the rails; and one end of each electricity taking rod abuts against one outer-layer roller to take electricity, and the other end of each electricity taking rod is connected to the driving motor through an electric wire. The rail electricity taking vehicle is connected with a power supply, and the rail electricity taking vehicle takes electricity from the rails, so that the situation that normal walking of the rail electricity taking vehicle is affected due to complex wires when the wires are used for electrification can be avoided, and the rail electricity taking vehicle is simpler in overall structure and more flexible to use.

The invention relates to the technical field of Internet of Things and smart cities, in particular to a smart city road intelligent parking system. The system comprises a plurality of local parking devices, a plurality of local service nodes arranged corresponding to the plurality of local parking devices, and a control center used for being in wireless communication connection with the pluralityof local service nodes, also being in communication connection with a mobile navigation system, and also used for inquiring a navigation destination in the mobile navigation system and the number of current idle parking plates of the plurality of local service nodes in a certain area around the destination in real time, and returning a query result to the mobile navigation system corresponding tothe navigation destination in real time. According to the intelligent road parking system for the smart city, the space of an existing urban road is fully excavated, the number of parking spaces is effectively increased, the problem that the urban parking spaces are difficult to find is solved, navigation parking space finding of mobile terminals such as a mobile phone can be achieved, the destination parking space supply dynamic state can be accurately mastered through an existing navigation APP, the parking spaces are found, and the urban traffic system operation efficiency is improved.

The invention relates to a friction disc locking mechanism for anti-sliding shoes. The friction disc locking mechanism (4) is used for preventing a friction disc (21) from retracting back into a mounting hole (13) after stretching out of the mounting hole (13) and comprises a driving block and a water-swelling water-sealing strip ring (42), wherein an annular cavity (15) is formed in an opening ofthe mounting hole (13), the water-swelling water-sealing strip ring (42) is arranged in the annular cavity (15) and is used for extruding the driving block along the horizontal direction, and an upper stressing oblique plane (41) is arranged at the upper part of the driving block; and a lower stressing oblique plane (211) is correspondingly arranged at the lower part of the friction disc (21), and the upper part of the friction disc (21) and the water-swelling water-sealing strip ring (42) form a limiting boss (212). The friction disc stretching out of the mounting hole is limited outside a sole by virtue of the friction disc locking mechanism, so that the friction disc is always outside the mounting hole during raining, and an increased friction force state of the sole is guaranteed.

The invention relates to a wear-resistant luminescent resin glue, which not only has good luminous performance, but also has excellent weather resistance and wear resistance, and its wear resistance can be maintained for a long time, which solves the problem of separately making wear-resistant resin glue layer coating When layering, glass microspheres or glass microsand are easy to wear and fall off. The preparation method of the wear-resistant luminescent resin glue of the present invention has a simple process, and the luminescent powder, glass microspheres or glass microsands are uniformly dispersed and stable, and are not easy to precipitate. A wear-resistant luminescent resin glue of the present invention is used in the preparation of luminescent bricks. The prepared luminescent bricks have both luminous and wear-resistant performance. Compared with directly spreading wear-resistant materials on the luminescent glue layer, the The surface of the luminous brick is smooth, does not affect normal walking, and the effective service life is greatly extended.

The invention discloses a desk suitable for use in a power-off environment. The desk comprises table legs, a table warehouse, a table top and guide rails. The guide rails are longitudinally and laterally distributed on the floor of a room, and the guide rails are embedded in the ground. The table legs are placed in the guide rails, and height adjustment valves are arranged on the table legs. A desk lamp is arranged on the table top, the desk lamp is fixed to the table top, the desk lamp is connected to a lithium battery, and the lithium battery is arranged inside the table warehouse. As the desk lamp is installed on the desktop and the desk lamp is connected to the lithium battery, the power supply by the lithium battery can also be used normally when the power is off so that a student cancomplete homework on time to ensure normal learning. In the normal power-on condition, the lithium battery stores power, and in the event of a sudden power failure, the lithium battery supplies powerto the desk lamp to ensure that the student can learn normally.