96results about How to "Reduce physical burden" patented technology

The invention discloses a grinding device for large-area epoxy floor construction, and relates to the technical field of grinding, the grinding device comprises a cart, a loading frame is fixedly mounted on the surface of the cart, a driving motor is fixedly mounted on the side, close to the cart, of the loading frame, and a dust suction device is fixedly mounted on the side, away from the cart, of the loading frame; a carrying frame fixedly penetrates through the inner wall and the outer wall of the cart, a rotating rod rotationally penetrates through the top of the carrying frame, a grinding disc is fixedly installed at the bottom of the rotating rod, and the output end of the driving motor is in transmission connection with the rotating rod through a belt. The rotating rod is automatically cleaned through the cleaning plate during each inspection, so that the operation complexity is effectively reduced, the accumulation of dust and dirt is avoided, and the service life of the rotating rod is prolonged.

The utility model relates to the technical field of tea garden trimmers, in particular to an electric bilateral trimmer for a tea garden. According to the technical scheme, a storage battery is installed on a rack, a steering shaft is rotatably installed on the rack, a handle is welded to the top end of the steering shaft, a front fork is inserted into the bottom end of the steering shaft, and a front wheel is rotatably installed on the steering shaft through the front fork; trimming blades are slidably installed on the two sides of the rack through a first connecting plate and a second connecting plate, sawteeth are arranged at the bottom ends of the trimming blades, a motor is fixed to the second connecting plate through a support, the support penetrates through the trimming blades and is fixedly connected with the motor, and an eccentric shaft is arranged at the output end of the motor; and the motor stirs the trimming blade through the eccentric shaft, so that the trimming blade performs lifting motion. The electric bilateral trimmer for the tea garden integrates the advantages of maneuverability, stability, flexibility, efficiency, humanization and the like, so that the electric bilateral trimmer for the tea garden is more suitable for complex trimming requirements in a tea garden environment.

The invention belongs to the technical field of diode processing, and particularly relates to diode lead processing equipment which comprises a base, a supporting ring is mounted on the inner bottom wall of the base, a plurality of discharging seats are arranged at the top of the base, a driving part is mounted at the bottom of each discharging seat, and the driving parts are used for rotation of the discharging seats. A supporting rod is installed on the inner wall of the base, and a first adjusting piece is installed on the surface of the supporting rod and used for cutting a workpiece on the discharging base. Through automatic processing and accurate servo motor control, the device can efficiently complete cutting and polishing work of a diode lead, accurate movement of a cutting blade and accurate control over the cutting depth are ensured through combined use of the servo motor and a hydraulic cylinder, and therefore the machining precision is improved, and meanwhile the machining efficiency is improved. Manual intervention is reduced through the automatic operation process, and the machining efficiency is remarkably improved.

The invention discloses a joint control system and method for electric hand braking of a rail wagon and the rail wagon, the joint control system comprises an electric hand braking machine, a hand braking control device, a junction box, a single vehicle controller CCID and a train bus cable, the electric hand braking machine is connected with the junction box through a hand braking sensing cable; one end of the hand brake control device is connected with a hand brake sensing cable and is connected with the electric hand brake, the other end of the hand brake control device is connected with the junction box through the electric hand brake, the junction box is connected with the single vehicle controller CCID through the hand brake sensing cable, and the single vehicle controller CCID is connected with a locomotive control room through the train bus cable. According to the invention, the inherent manual braking function of the hand brake is not influenced, braking can still be implemented by manually rotating the hand wheel of the hand brake, and relieving can still be manually completed by moving the relieving handle.

The utility model discloses a wire cutter for a power supply electric power line laying project, which comprises a connecting plate, a mounting plate, a handle, a driving device, a linkage device and a wire cutting head, and is characterized in that the mounting plate is arranged on the connecting plate; the handle is arranged at one end of the connecting plate; the driving device comprises a driving assembly, and the driving assembly is arranged on the mounting plate; the linkage device comprises a gear assembly and two connecting rod assemblies, the gear assembly is rotatably arranged on the mounting plate, and the gear assembly is connected with the driving assembly; the two connecting rod assemblies are arranged on one side of the mounting plate and connected with the gear assembly. Therefore, through the driving device, the linkage device can be accurately driven to efficiently shear a line, the working time is saved, and the physical burden of an operator is relieved. And meanwhile, due to high cooperation and accurate control of the driving device and the linkage device, the stability and consistency of the shearing quality are ensured, and the overall quality of power line laying is effectively improved.

The invention discloses an automatic feeding device for metal plate stamping, and belongs to the technical field of metal plate stamping feeding, and the automatic feeding device is technically characterized in that the automatic feeding device comprises a conveyor, a first workbench and a second workbench, through an arranged one-by-one discharging mechanism, the material circulation speed can be remarkably increased, the manual carrying and waiting time is shortened, and the working efficiency is improved. Through the arrangement of the grabbing and discharging mechanism and the limiting and pushing mechanism, grabbing and movement control of metal plates can be well achieved, and therefore the automatic grabbing and moving process is achieved, the operation process is greatly simplified, the physical burden of workers is relieved, and the working efficiency is improved. Compared with a traditional manual feeding mode, the feeding device has the advantages that the feeding time can be greatly shortened, production interruption is reduced, stamping equipment can continuously and efficiently operate, the automation degree is high, and the production efficiency is improved. The device has the advantages of being convenient to feed and punch, low in cost and high in automation degree.

The utility model relates to the technical field of brake equipment of electro-tricycles, in particular to a brake system of an electro-tricycle, and aims to improve brake efficiency and operation convenience and guarantee driving safety. The system comprises a frame, a front wheel brake device, a rear wheel brake device and an independent parking brake device. According to the rear wheel brake device, a pedal drives a rotating shaft to rotate through a connecting rod mechanism, and then a second connecting rod is driven to enable a first brake pad assembly to act on a rear wheel brake drum; meanwhile, the pedal is connected with the first brake cable to control front wheel braking, and front and rear wheel linkage braking is achieved. The parking brake device controls third brake pad assemblies of the two rear wheels through a brake handle via a second brake cable and a deconcentrator. According to the system, the parking brake and the rear wheel brake are independently operated, meanwhile, the pedal plate controls the front wheel and the rear wheel to brake in a linkage mode, and the problems that a traditional hand brake and a traditional foot brake are complex in separation operation and slow in emergency brake response are solved.

The invention discloses a shifting transfer trolley for critical patients, and relates to the technical field of medical instruments. The shifting transfer trolley for the critical patient comprises a base, moving wheels are fixedly connected to the outer wall of the bottom of the base, an electric lifting rod is fixedly connected to the outer wall of the top of the base, a bed frame is fixedly connected to the top end of the electric lifting rod, a first moving groove is formed in the outer wall of the bed frame, and a first lead screw is rotationally connected to the inner wall of the first moving groove; a first moving block is slidably connected to the inner wall of the first moving groove, the outer wall of the first lead screw is in threaded connection with the inner wall of the first moving block, and a second motor is fixedly connected to the inner wall of the first moving groove. Through cooperative use of the conveying belt, the bearing plate, the connecting plate and other structures, stable transition of a patient from one sickbed to another sickbed is achieved, electric operation is adopted, the physical burden of medical staff for manually moving the patient is greatly relieved, and the convenience and efficiency of medical care are remarkably improved.

The utility model relates to the technical field of power assisting instruments, in particular to power assisting exoskeleton equipment which comprises a waist support, and a waist containing cavity with a wearing opening reserved in the front side is formed in the waist support. A waist fixing belt is arranged at a wearing opening of the waist accommodating cavity; two groups of thigh brackets are movably connected below the waist support along the outer sides of two legs of a wearer, and thigh bandages are arranged on the thigh brackets; a shank support and a foot support which are movably connected with each other are sequentially arranged below the thigh support. The thigh support, the shank support and the foot support provide support for the lower body of the user, especially when the user walks, stands or does other activities. The telescopic supporting rod can stretch out and draw back according to the actions of the user, power assistance is provided for the leg actions of the user, the user is helped to walk, lift the legs and the like more easily, and therefore the physical burden of the user is relieved.

The invention provides a longitudinal beam replacement device and method for a coal mine belt conveyor, and belongs to the technical field of mining machinery maintenance. The device comprises a moving platform, a walking mechanism, a carrier roller frame jacking mechanism and a first driving mechanism. The walking mechanism is arranged at the top of the moving platform and is embedded into a notch of the longitudinal beam to roll; the carrier roller frame jacking mechanism is installed on the moving platform and comprises a second driving mechanism, a transmission connecting rod assembly and a top bearing beam, the second driving mechanism drives the transmission connecting rod assembly to enable the top bearing beam to vertically ascend and descend, and therefore the upper groove carrier roller frame is jacked up or put down; the first driving mechanism drives the moving platform to move along the longitudinal beam. The device has the beneficial effects that the belt conveyor longitudinal beam is used as a walking track, rapid migration of the device is achieved through driving of the first driving mechanism, simultaneous jacking of multiple sets of carrier roller frames is achieved through the transmission connecting rod assembly, an operation space is provided for replacement of the belt conveyor longitudinal beam, the manual carrying strength is remarkably reduced, and the working efficiency is improved. And the longitudinal beam replacement efficiency and the operation safety are improved.

The invention relates to storage of glass fiber rolls, in particular to a glass fiber roll storage box rack which comprises a vertical rack body, a circulating guide rail is fixed to the rack body, a plurality of fiber roll suspension mechanisms capable of moving circularly along the circulating guide rail are arranged on the circulating guide rail, and the plane where the circulating moving track of the fiber roll suspension mechanisms is located is a vertical plane. And the fiber roll suspension mechanism is driven by the driving system to move. According to the glass fiber roll storage box frame, through the design of the circulating guide rail and the fiber roll suspension mechanism, glass fiber rolls can circularly move in the vertical plane, so that the glass fiber rolls can be taken and placed at the fixed low position, the storage area can be expanded to the space of the whole box frame, and the storage efficiency is greatly improved. Due to the design of the expansion device, the glass fiber roll on the fiber roll suspension mechanism can be automatically expanded and fixed in the moving process of the fiber roll suspension mechanism, and particularly under the conditions that the box frame is high and the storage amount is large, the risk that the glass fiber roll falls off from the suspension shaft is prevented.

This utility model discloses a non-excavation grouting repair device for dike cracks in water conservancy reinforcement, belonging to the field of dike engineering technology. The device includes a grouting assembly and a scraper assembly. The grouting assembly includes a shell and a grouting head penetrating the middle of the shell. The grouting head is connected to a feeding hose. An electric telescopic rod is installed inside the shell, and the telescopic end of the electric telescopic rod is fixedly connected to a push plate, which is fixedly connected to the grouting head. During grouting, the scraper of this utility model moves closely against the dike crack opening, using mechanical extrusion to expel air from the crack and push the grout to penetrate deeper. The electric telescopic rod drives the reciprocating motion of the elastic pressure plate, further squeezing the grout into the crack opening, effectively solving the problem of hollow areas easily appearing in deep cracks, thereby improving the grout filling efficiency and density, and enhancing the structural stability of the dike.

The utility model discloses novel geotechnical cloth. The novel geotechnical cloth comprises geotechnical cloth, a first piece of geotechnical cloth is arranged on the geotechnical cloth, a connecting buckle bolt is arranged at one end of one side of the first piece of geotechnical cloth, a fixing column groove is fixedly formed in the lower end of the connecting buckle bolt, a connecting plate is arranged at the upper end of a connecting buckle head, and the connecting buckle head is connected to the interior of the fixing column groove in a buckled mode. A groove hole is formed in the fixing column groove, a plurality of springs are arranged in the upper end of the groove hole, and a movable bolt is arranged at one end of each spring, so that the overall stability and deformation resistance of the geotechnical cloth are enhanced, and the geotechnical cloth can be effectively prevented from being dislocated and moved in the using process; loosening and damage of the geotechnical cloth under the external action of wind power, water flow and the like can be reduced, and loss of soil particles and permeation of water are avoided and reduced.

The utility model relates to railway contact net maintenance equipment technical field, concretely relates to a railway contact net magnetic attraction type ground wire device, aims at solving the problem that the existing grounding device is complicated to operate, is inefficient and needs to carry many insulating poles. The utility model includes: insulating pole is used for supporting electromagnet and is sent to the working position, ground hook is hung in contact net conductor and is connected ground wire, electromagnet and with the control device of electromagnet electricity connection, wherein, control device is used for controlling the on-off electricity of electromagnet, to make electromagnet magnetism attract ground hook when electrification, thereby establishes the separable connection between insulating pole and ground hook. The utility model allows using single insulating pole to complete the installation and removal of multiple groups of ground wire in turn, significantly improves the operation efficiency, reduces the labor intensity, and the simple structure is safe and reliable.

The utility model provides a cutting piece sticking drill template for garment processing, which comprises an upper template, a die cavity, a pressing plate and a bottom frame, the upper surface of the upper template is sunken downwards to form the die cavity, the pressing plate is arranged on the right side of the upper template, the upper surface of the pressing plate is sunken downwards to form a cutting piece groove, a positioning frame is arranged above the right side of the die cavity, and a cutting piece placing area is arranged in the middle of the cutting piece groove. Compared with the prior art, the diamond sticking device has the advantages that the electric push rod, the butt joint opening, the side rotating plate, the movable sleeve and the limiting plate are arranged, the electric push rod can conveniently drive the pressing plate to press a cutting piece, the cutting piece can make better contact with a diamond, diamond sticking is firm, the diamond sticking efficiency is improved, and the service life of the diamond sticking device is prolonged. Compared with manual pressing operation, the cutting piece pressing device has the advantages that the working efficiency is greatly improved, the physical burden of workers is relieved, manual pressing is not needed, operation is easier, a drill can be pasted more evenly and firmly, and the product quality is improved.

The utility model discloses an automatic taking and placing device for cone yarns, which belongs to the technical field of automation equipment in textile industry and comprises a workbench, a feeding assembly is arranged at the top of the workbench and comprises a placing plate, two groups of short plates are fixedly mounted at the top of the placing plate, and the two groups of short plates are fixedly mounted on the top of the placing plate. Second electric push rods are fixedly installed on one sides of the two sets of short plates, long plates are fixedly installed at the output ends of the two sets of second electric push rods, it can be ensured that the cone yarn is in a stable state before being operated, and it is avoided that in the taking and placing process, due to shaking or displacement of the cone yarn, taking and placing fails or the cone yarn is damaged; precise clamping and taking and placing of cone yarn rollers with different diameters are achieved, the whole taking and placing process is automatically controlled through driving components such as an air cylinder, an electric push rod and a motor, manual intervention is not needed, the taken-down cone yarn rollers are collected, manual carrying is avoided, the physical burden of workers is relieved, and the working efficiency is improved. And fatigue and body injury of workers are avoided.

The cardio-cerebral-pulmonary resuscitation rescue device for the emergency department comprises a supporting device, a braking device and a fixing device, the braking device is arranged on the outer wall of an arc-shaped plate of the supporting device, and the fixing device capable of rotating and moving up and down is arranged at one end of the supporting device. The supporting device, the braking device and the fixing device work cooperatively, the supporting device provides a stable basic platform for cardio-pulmonary resuscitation operation, the braking device achieves labor-saving and effective pressing operation, and the fixing device ensures the stability of the body of a patient; by means of the cooperative work mode, the whole cardio-pulmonary resuscitation rescue process is more efficient and orderly, the functions of all the parts are mutually complemented, the success rate of cardio-pulmonary resuscitation is improved to the maximum extent, and a more ideal equipment solution is provided for cardio-cerebral-pulmonary resuscitation rescue work in the emergency department.

The invention discloses a multifunctional carrying device and method for a building damper, the device comprises a fixing unit, a carrying unit and an auxiliary unit, the carrying unit comprises a moving part, a supporting part arranged on the moving part, a traction part for carrying the damper and a lifting part for controlling the carrying device to ascend and descend; the traction component comprises a platform plate, a haunching plate, a hinge and a folding plate, one end of the folding plate is connected with the hinge, the lifting component comprises a lifting plate, an adjusting component, a movable rod and a connecting rod, the adjusting component is used for being inserted into a gear hole to adjust the lifting plate, one end of the movable rod is arranged on a nut, the other end of the movable rod is arranged on the lifting plate, and the connecting rod is arranged in the horizontal direction of a screw. The lifting component is in butt joint with the damper to be carried and integrally matched with the traction component, and carrying of the damper is achieved. Meanwhile, the tedious process that in the traditional installation process, the folding plate needs to be lifted and transported manually and effortlessly to be aligned with the installation position is simplified, and error accumulation caused by too many intermediate links is also avoided.

The utility model discloses an auxiliary strap device which comprises a wearing unit, a binding unit and a strap unit. The wearing unit is provided with a fixing piece, a head hole, a binding hole and a leg hole, is tightly attached to the body of a patient and disperses pressure. The binding unit is located at one end of the wearing unit and comprises a first binding band and a second binding band which penetrate through the binding holes and are detachably connected, and the tightness degree can be conveniently adjusted according to the body type of the patient. The strap unit is located at the other end of the wearing unit, comprises a first strap and a second strap and is connected with the fixing part, so that a nurse can transfer a patient like carrying a backpack, and the physical burden is greatly relieved. The device adopts a scattered bearing mode, and the occupational injury risk of nursing personnel is reduced. Meanwhile, the design of the device allows the patient to complete wearing in a lying state, and sitting posture matching does not need to be kept. The overall design not only considers the comfort and safety of the patient, but also improves the operation convenience and efficiency of nursing personnel, and is practical and humanized auxiliary transfer equipment.

The utility model provides an electroencephalogram signal monitoring device. The electroencephalogram signal monitoring device comprises a plurality of electrodes, a plurality of lead wires in one-to-one correspondence with the plurality of electrodes, and signal acquisition equipment, one end of each lead wire is connected with the corresponding electrode, and the other end of each lead wire is connected with signal acquisition equipment; the signal acquisition device comprises a built-in wireless communication module, and the wireless communication module is in wireless connection with an external signal processing device. According to the embodiment of the invention, the portability and comfort of electroencephalogram signal monitoring and the quality of the collected electroencephalogram signals can be improved in a wireless data transmission mode, so that the electroencephalogram signal monitoring method and device are suitable for various application scenes.

The present invention discloses an online monitoring device and method for the concentration of particulate matter in industrial exhaust gas, which relate to the technical field of environmental monitoring, and include a detection cylinder, a sealing cover plate is arranged on the top of the detection cylinder, an air inlet is fixedly penetrated through the top of the sealing cover plate, an air outlet is fixedly penetrated through the top of the sealing cover plate, a concentration detection mechanism is fixedly penetrated through the top of the sealing cover plate, and also includes a maintenance device; wherein the maintenance device includes a driving motor, a cross rod, a mounting plate, a push rod, a No. 1 spring, an extrusion plate, a cleaning cloth, a No. 1 shrapnel, a loading frame, a connecting rod, a C-shaped plate, a No. 2 spring, a limiting rod and a rectangular plate, and after the sealing cover plate is opened, the cleaning cloth can be quickly replaced, which effectively ensures the cleaning effect, and can also facilitate operators to inspect and maintain the concentration detection mechanism, thereby improving the reliability of the detection.

This application discloses an adjustable load-bearing transfer cart, which includes a planar rectangular transfer frame with rollers at its bottom corners. The transfer frame is composed of tubular bodies connected at both the transverse and longitudinal ends, and is divided into a fixed section and an adjustable section. The transverse tubular end of the adjustable section has an adjusting tube that can pass through the transverse tubular body of the fixed section. This load-bearing transfer cart is made of square tubing, which, compared to the currently used flat-panel structure, effectively improves the load-bearing capacity of the cart body, thus avoiding the problem of the cart body denting during long-term transfer, leading to unstable product placement. The fixed and adjustable sections allow for adjustment of the cart's load-bearing area, adapting to the transfer and placement of products of different sizes, solving the problem of commonly used small carts having a fixed load-bearing area, which cannot stably place excessively large products and is prone to tipping over during transfer.

The present application relates to a plug assembly device for the production of metal connecting pipes, comprising: a loading unit provides a target plug; a conveying unit conveys at least one target plug provided by the loading unit to the end of the conveying unit; a third moving unit moves at least one target plug at the end of the conveying unit to a gripping mechanism one by one; the gripping mechanism grabs the target plug, and the grabbed target plug moves from a first position to a second position; the first moving unit moves the target plug from the second position to a third position; the clamping unit clamps the target metal connecting pipe to move from a fourth position to a fifth position; when the target plug is in the second position or the third position, and the target metal connecting pipe is in the fourth position or the fifth position, the target plug is coaxial with the target metal connecting pipe. The present application solves the problem of low automation and low production efficiency caused by the need for workers to manually install the plug during the plugging process in the production process of the metal connecting pipes of the indoor and outdoor units of the air conditioner.

The utility model provides a radix puerariae cleaning device which comprises a cleaning assembly, a sand screening assembly is arranged on one side of the cleaning assembly, a lifting assembly is arranged on the other side of the cleaning assembly, a spraying assembly is arranged above the lifting assembly, a roller assembly is arranged between the lifting assembly and the sand screening assembly, and the roller assembly is arranged above the cleaning assembly. According to the washing device, traditional manual washing is replaced by an automatic washing mode, the sand screening assembly is further arranged before washing of the washing assembly, the sand content of the surface of the radix puerariae can be further reduced, the load of the clearing assembly is reduced, the device can continuously treat the radix puerariae, the washing yield in unit time is greatly increased, and the washing efficiency is improved. And therefore, the large-scale processing requirement is met, the physical burden of workers is relieved, the problem that the efficiency is low when radix puerariae is manually cleaned is solved, and automatic batch cleaning is achieved.

The invention discloses an intelligent control method for gap discharge characteristics based on a laser ranging technology assisted hanging basket method and a test platform. The intelligent control method comprises the following steps: step 1, inputting basic distance parameters of a high-voltage test control system; 2, extracting three-dimensional position information; step 3, constructing a distance signal identification model; 4, performing feedback intelligent stay wire system processing on the operation stability parameters of the high-voltage test hanging basket; 5, analyzing the test windage yaw stability of the high-voltage test hanging basket; 6, evaluating the operation safety of the high-voltage test; 7, monitoring and adjusting the position in real time; step 8, external environment risk early warning; according to the invention, the efficiency and safety of the high-voltage test are effectively improved.

This invention relates to the field of live-line working equipment for power distribution networks, and discloses a human-machine collaborative dual-arm assisted robotic arm system and operating method for live-line working in power distribution networks. The system includes an installation and fixing structure integrated into the working bucket of an insulated bucket truck, a dexterous arm system, and a load-bearing arm system. The installation and fixing structure achieves stable fixation through multi-directional internal and external clamping, requiring no modification to the bucket body. The dexterous arm system adopts a pure force-controlled human-machine collaborative mode, enabling precise operations and filtering out posture vibrations. The load-bearing arm system is remotely operated, possessing multi-degree-of-freedom movement capabilities and capable of handling heavy loads and high torque operations. Through the coordinated distribution of spatial position and force, the dual arms combine the advantages of precise human control with heavy-duty mechanical assistance, offering convenient operation, high precision, and good safety, significantly improving work efficiency. It is compatible with ordinary insulated bucket trucks, facilitating large-scale deployment.

The utility model relates to the technical field of diesel engines, and provides a pull disc labor-saving structure, a pull disc and an engine, the pull disc labor-saving structure comprises a cam shaft, an automatic pressure regulating system is installed on the cam shaft, the automatic pressure regulating system comprises a transmission part and a pressure regulating part, and the pressure regulating part and the transmission part are in transmission connection and are both installed on the cam shaft. The transmission component comprises a first balancing weight, a second balancing weight and a reset component, the first balancing weight and the second balancing weight are installed on the cam shaft through rivets, the first balancing weight is in transmission connection with the pressure adjusting piece, and the reset component is installed between the first balancing weight and the second balancing weight. The automatic pressure regulating system has the advantages that by arranging the automatic pressure regulating system, starting of the diesel engine is more labor-saving, the service life of the diesel engine is prolonged, the overall operation efficiency is improved, and the advanced technical level and the wide application prospect in the field of diesel engine design are shown.

The utility model relates to technical field of liquid medicine spraying, concretely relates to a pepper planting liquid medicine spraying device, including drive assembly, drive assembly includes bottom plate, and the bottom plate lower surface fixedly connected with outer frame, and the outer frame is fixedly connected with motor in, and the motor output shaft fixedly connected with driving gear, and the driving gear is engaged with driven gear, and the driven gear is engaged with drive gear, and one end of drive gear is fixedly connected with connecting rod, and the wheel pivot is fixedly connected with support no.

The invention discloses cable operation and maintenance equipment capable of facilitating fault positioning, and belongs to the technical field of cable fault positioning equipment.The cable operation and maintenance equipment capable of facilitating fault positioning comprises a movable frame, two axle wheels are rotationally installed in the movable frame, and a pipeline detection radar is embedded and fixed to the inner side of the movable frame; a folding mechanism for reducing the product space volume is arranged on one side of the top end of the movable frame, a support mechanism convenient to transport and carry is arranged on the other side of the top end of the movable frame, and an extension mechanism for improving the adaptability is arranged in the support mechanism. The folding mechanism and the support mechanism are arranged, the folding mechanism can be unfolded or folded, during use, the support is unfolded to provide stable supporting, after use, the support can be folded and downwards stored to the top end of the movable frame, the space size of a product is greatly reduced through the design, and transportation and carrying are convenient.

The utility model discloses an automatic water surface cleaning machine giving consideration to cleanliness and filtering speed in the technical field of automatic water surface cleaning machines, which comprises a machine shell, a top cover mounted at one end of the top of the machine shell, a water outlet formed in the other end of the top of the machine shell, a water inlet formed in the bottom of the machine shell, and a filtering device arranged in the machine shell. The filtering device comprises a primary filtering unit and a secondary filtering unit, and filtering holes of the primary filtering unit are larger than filtering holes of the secondary filtering unit. According to the utility model, the primary filtering unit and the secondary filtering unit are arranged in a matched manner, the filtering holes of the primary filtering unit are larger than the filtering holes of the secondary filtering unit, water passes through the primary filtering unit and then passes through the secondary filtering unit, and the primary filtering unit can prevent large-particle impurities from blocking the filtering holes with large apertures of the primary filtering unit; and the secondary filtering unit can filter out small-particle impurities with small pore diameters, so that the cleaning machine gives consideration to the cleanliness and the filtering speed at the same time.