294results about How to "Flexible rotation" patented technology

The invention discloses an efficient light guide mounting bracket matched with a solar photovoltaic panel, which comprises an equipment base, a photovoltaic panel, a Fresnel lens, a magnetic field generator and a temperature difference generator, and is characterized in that the equipment base is fixedly connected with a rotating mechanism, and the rotating mechanism is movably connected with an inclination mechanism for adjusting the angle of the photovoltaic panel; a supporting mechanism is movably connected to the upper portion of the rotating mechanism and comprises a fixing support movably connected to the rotating mechanism. Through the wind-resistant mechanism, self-adaption to different wind power environments is achieved, the magnetic field intensity of the magnetic field generator is regulated and controlled, the magnetorheological fluid increases resistance to limit shaking under strong wind and reduces resistance to guarantee flexible rotation in breeze, meanwhile, a Faraday cage formed by the magnetorheological fluid shields electromagnetic interference, a photovoltaic panel is protected against wind power damage, stability of an electrical system is guaranteed, and the service life of the photovoltaic panel is prolonged. And the equipment fault risk is reduced, the service life is prolonged, and the solar photovoltaic power generation system is ensured to continuously and stably operate in a complex outdoor environment.

The invention relates to the technical field of power transmission line nondestructive flaw detection, in particular to a power transmission line X-ray flaw detection system and method based on an unmanned aerial vehicle. Comprising a framework, a control system arranged on the framework, a pulley mechanism arranged on the framework and used for being erected on the wire and a flaw detection mechanism arranged in the framework, the framework is provided with a space for containing the wire and an opening for the wire to enter the space, and the flaw detection mechanism comprises an X-ray machine driven by a servo motor to rotate around the wire. And the imaging plate is arranged at the central position of the framework and rotatably receives the X-rays penetrating through the to-be-detected wire. The multifunctional and multi-angle detection of four-bundle conductors and single wires is realized, and the flaw detection efficiency, accuracy and comprehensiveness of tension-bearing fragile fittings and connecting fittings of power transmission lines are improved.

The utility model discloses an adjustable manipulator clamping structure which comprises a clamping frame, two sets of clamping blocks are symmetrically arranged on the clamping frame, synchronous opposite driving assemblies are arranged in cooperation with the two sets of clamping blocks, vacuum suction cups are embedded in the surfaces of the clamping blocks, vacuumizing assemblies are arranged in cooperation with the vacuum suction cups, a first connecting frame is arranged above the clamping frame, and a second connecting frame is arranged above the first connecting frame. A first motor is arranged on the first connecting frame, the output end of the first motor is connected with the clamping frame, a second connecting frame is rotationally arranged on the first connecting frame, a second motor is arranged on the second connecting frame in transmission connection with the first connecting frame, a fixing seat is horizontally and movably arranged on the base, and a mounting seat is rotationally and adjustably arranged on the fixing seat. According to the clamping mechanism, the clamping stability of a machined part can be improved, the moving flexibility is good, and the clamping mechanism is flexible, convenient and fast to use.

The invention relates to the technical field of hinge quality inspection, in particular to an automobile door hinge quality inspection device. Comprising a base, a bottom plate is fixedly connected to the upper side of the base, a side plate is fixedly connected to one side of the bottom plate, a vehicle door is arranged on one side of the side plate, and one side of the side plate is fixedly connected with the vehicle door through two hinge bodies. Relatively stable force is applied to the automobile door, the accuracy of the follow-up automobile door swing angle is ensured, then the automobile door is driven to swing within different angle ranges through the swing rod, the opening and closing actions of the automobile door in the using process are truly simulated, and whether the hinge body can enable the automobile door to be smoothly opened and closed or not can be visually judged. The auxiliary device is used for buffering the impact force generated in the swing process of the vehicle door, so that the vehicle door swings in a relatively constant-speed and stable state, and more reliable data support is provided for judging whether the quality of the hinge body is qualified or not.

The utility model discloses a scrubber large roller assembly with an oblique movement function, which comprises a floor brush lower shell, a limiting groove body arranged on the rear side of the floor brush lower shell, a mounting cavity arranged in the floor brush lower shell, an air suction channel and a rolling brush assembly arranged in the mounting cavity, a rotating piece arranged in the limiting groove body, a large roller connected to the rotating piece, and a rolling brush arranged on the rolling brush assembly. Small rollers are arranged on the front side of the bottom of the floor brush lower shell; the floor brush upper shell is provided with a connecting lug and a limiting arc-shaped plate, the connecting lug abuts against the limiting groove body, and the limiting arc-shaped plate is located above the rolling brush assembly. During use, the connecting shaft moves in the limiting notch in a limiting manner under the rolling of the large roller, the second bearing rolls on the rolling surface in the limiting groove body, so that the first bearing is driven to rotate on the screw joint groove body, and the other end of the connecting shaft is connected to the shaft clamping ring on the large roller; the structure can reduce the oblique slipping of the large roller and reduce the resistance, so that the floor brush is more flexible to operate.

The invention belongs to the technical field of soil sampling, and particularly relates to a grain planting soil detecting and sampling device which comprises a base, a supporting column is fixedly arranged on one side of the base, a top plate is fixedly arranged on the supporting column, a driving mechanism and a stratified sampling mechanism are arranged on the top plate, and a soil sample storage mechanism is arranged on the base. The stratified sampling mechanism comprises a sampling drill rod assembly and a pressure difference sampling assembly, the pressure difference sampling assembly is installed on the top plate, and the sampling drill rod assembly is located below the top plate and connected with the pressure difference sampling assembly; by combining the pressure difference principle with the longitudinally-arranged temporary storage cavities, soil of different depths can be collected in a layered mode in one-time sampling operation, after the soil is collected, the soil of different depths is sprayed into the corresponding sample receiving plates to be stored according to the pressure difference principle again, sample mixing is effectively avoided, accurate layered sampling is achieved, and the sampling efficiency is improved. And the collected soil sample is kept in an original state.

The utility model discloses clamping type welding equipment for pipelines, which is characterized in that a clamping cavity is formed in a rotating chuck, the top of the inner side of the clamping cavity is rotatably connected with a bidirectional clamping screw rod along the horizontal direction, and the end part of the bidirectional clamping screw rod is connected with a knob; the outer side of the bidirectional clamping screw rod and the outer side of the guide rod are each connected with two sets of clamping arc blocks which are oppositely arranged, and the arc faces of the opposite sides of the two sets of clamping arc blocks are each provided with a rubber pad in an adhesive mode. The two clamping arc blocks are conveniently and synchronously driven to move through the two-way clamping lead screws before welding, the two two-way clamping lead screws are both semicircular, the two-way clamping lead screws are matched with rubber pads to effectively clamp and limit a pipeline when the pipeline is clamped, and the two-way clamping device can be suitable for clamping pipelines with different pipe diameters; therefore, the clamping stability and the welding precision of the pipeline in the welding process are guaranteed.

The invention discloses gun-type lymph node forceps with openings perpendicular to opening and closing of forceps handles, and belongs to the technical field of medical instruments. According to the technical scheme, the forceps comprise forceps bodies, forceps handles, forceps heads and a sliding block, the forceps bodies comprise the lower forceps body and the upper forceps body, the forceps handles comprise the movable forceps handle and the fixed forceps handle which are oppositely arranged, the fixed forceps handle is fixed to the lower forceps body, the rear end of the upper forceps body is hinged to the sliding block, and the sliding block is connected with the movable forceps handle; the forceps head comprises a fixed forceps head and a movable forceps head, the fixed forceps head is fixed on the lower forceps body, and the movable forceps head is hinged with the upper forceps body. The gun type lymph node forceps have the beneficial effects that the gun type lymph node forceps are efficient and accurate in clamping capacity, stable in guiding mechanism, high in opening and closing stability, of a pistol loading type structure, flexible in hinge structure, smooth in opening and closing experience, compact in operation design and safe and reliable in performance; and great convenience and guarantee are provided for surgical operation of small tissues such as lymph nodes and the like.

The invention discloses a platform-based portable vehicle identification device and a use method thereof, and relates to the field of vehicle identification devices. The device comprises a camera, a rotating assembly, an inflation assembly, an inner dust removal assembly, a cleaning assembly and an outer dust removal assembly. The rotating assembly is located on the base, the camera is connected with the rotating assembly, the inflation assembly is arranged on the rotating assembly, the inner dust removal assembly is arranged in the camera, and the cleaning assembly and the outer dust removal assembly are arranged on the camera. Dust in the camera is blown out through the dust outlet by the inner jet head, the three-way pipe is communicated with the inner air pipe through rotation of the camera, the interior of the camera is cleaned by air in the air bag, the cleaning difficulty is reduced, and the service life of electronic elements in the camera is prolonged.

The utility model relates to the field of organic fertilizer processing, and discloses a biological organic fertilizer turner which comprises a top plate, the two side plates are arranged at the bottom of the top plate and can be close to or away from each other at the same time; one end of each first turning and throwing roller is connected to the corresponding side plate; the second turning and throwing roller is connected between the two first turning and throwing rollers, and the two first turning and throwing rollers are arranged to drive the first turning and throwing rollers to move on the second turning and throwing roller when the side plates move. According to the utility model, the fertilizer can be effectively pushed from the two sides to the middle by arranging the auger blades, so that the biological organic fertilizer can be effectively gathered together by the turning and throwing roller to be turned and thrown, the gathering efficiency of the material is improved, the turning and throwing machine can adapt to fertilizer piles with different scales and shapes, and the universality and the flexibility of the equipment are improved.

The utility model discloses a clamping device for processing a ball cage bell housing, and relates to the technical field of ball cage bell housing processing, the clamping device comprises a device main body, the outer surface of the bottom end of the device main body is fixedly connected with support legs, and the outer part of the top end of the device main body is fixedly connected with a workbench. The supporting seat is placed at the top of the workbench, the linkage rod can be flexibly adjusted through the annular design of the placing ring, and waste generated in the machining process of the ball cage bell housing can be conveniently discharged through the leakage groove under the placing ring. The device can be more stable during adjustment and movement through sliding connection between a limiting groove and a limiting block, so that the machining precision is guaranteed, a rotating structure is formed between a fixing plate and a sliding end through a rotating bearing, the flexibility of the device is enhanced, in the clamping part, a first clamping groove is designed to be in a square groove shape, and a second clamping groove is designed to be in an annular groove shape, so that the machining precision is improved. The device can adapt to ball cage bell housings in various shapes, and the universality of the device is improved.

The utility model relates to the technical field of automation, in particular to a welding positioner capable of automatically adjusting the welding posture of a steel member to be welded, which comprises a machine body, the machine body comprises a machine frame, a bottom plate is fixedly mounted below the machine frame, a first motor is fixedly mounted above the bottom plate, a first air cylinder is fixedly mounted above the machine frame, and a second air cylinder is fixedly mounted above the first air cylinder. The device further comprises an adjusting mechanism, the adjusting mechanism is fixedly installed above the rack, and the first air cylinder can drive the adjusting mechanism to move up and down. And the welding part comprises a fixing plate, the fixing plate is coaxially connected with an output shaft of the first motor, and the first motor can drive the welding part to move along the first circular ring groove. According to the welding positioner capable of automatically adjusting the welding posture of the to-be-welded steel component, it can be guaranteed that the welding pen can reach all parts of a workpiece, including spaces or angles which are complex in shape and difficult to touch, all-directional and dead-corner-free welding coverage is achieved, and the welding quality and the production efficiency can be improved.

The utility model relates to the technical field of automobile accessory production devices, and discloses an automobile steering wheel framework surface treatment clamping tool which comprises a clamping mechanism, a quick mounting mechanism is arranged on the outer side of the upper portion of the clamping mechanism, and the lower portion of the clamping mechanism is rotationally connected with a rotating seat. The upper ends of the traction rods are rotationally connected to the upper portion of the clamping plate, and the lower ends of the multiple traction rods are rotationally connected to the upper portion of the driving assembly. According to the automobile steering wheel framework surface treatment clamping tool, through traction of the traction rod and the balance rod, the distance between the clamping plates can be adjusted under the condition that the clamping plates are kept vertical all the time, and therefore the automobile steering wheel framework surface treatment clamping tool is suitable for steering wheel frameworks of different sizes and specifications; the steering wheel framework is pressed downwards along the upper portions of the clamping plates, the clamping plates are jacked outwards through the springs, the clamping plates fix the steering wheel framework from inside to outside, when the steering wheel framework is taken down, the steering wheel framework is directly pulled upwards, and operation is quite convenient and rapid.

The utility model relates to the technical field of municipal construction accessories discloses a protection device for pipeline construction anti -collision, including longitudinal steel pipe, circular arc steel pipe, multidirectional pulley, anti -collision steel strip and oblique steel pipe, the longitudinal steel pipe has many, many longitudinal steel pipes are parallel to the length direction of pipeline, at least two longitudinal steel pipes are opposite other and are located downside, and its bottom is provided with multidirectional pulley, at least one longitudinal steel pipe is opposite other and is located upside, and it connects two longitudinal steel pipes with pulley through oblique steel pipe, two longitudinal steel pipes with pulley are connected through circular arc steel pipe between, the longitudinal steel pipe or oblique steel pipe stretches out anti -collision steel strip outward, the utility model aims at providing more effective, reliable and economic and practical anti -collision solution for pipeline construction.

The utility model is suitable for the technical field of glass fiber production, and provides a smelting furnace for glass fiber production. The U-shaped frame is positioned on the bottom plate; the transverse shaft is rotationally mounted on the inner wall of the U-shaped frame; the furnace body is fixedly mounted at one end of the transverse shaft; the L-shaped back plate is fixedly mounted on the bottom plate; the height adjusting mechanism is mounted on the bottom plate and is used for adjusting the pouring height of the glass fiber raw material melt; and the stirring mechanism is positioned at the top of the furnace body and is used for mixing and stirring glass fiber raw material melts in the furnace body. According to the smelting furnace for glass fiber production, glass fiber raw materials can be heated and melted, the function of pouring glass raw material melts is achieved, meanwhile, the pouring height of the glass raw material melts can be adjusted, and material taking is convenient.

The application provides a surveying and mapping instrument positioning device for engineering surveying and mapping, and relates to the technical field of engineering surveying and mapping equipment, which comprises a support seat and further comprises an expansion adjusting assembly, wherein the expansion adjusting assembly comprises a first driving motor mounted at the bottom of the support seat, in the application, the gear engages to drive two centrally symmetrical racks to move reversely, the moving seat is synchronously moved with the racks through sliding cooperation with the linear guide rails, flexible adjustment of the distance between the support rods is realized, the rotating seat can rotate around the support frame, the angle is adjusted through the arc-shaped guide rails, and the positioning is completed by tightening the first knob bolt after the rotating seat is in place, in the multistage telescopic assembly, the support rods, telescopic rods and fine adjustment rods can slide along the length direction, are stretched to a suitable height as required, and are locked and fixed through corresponding knob bolts, the support rods on the support seat and the rotating seat are matched, telescopic adjustment and angle adjustment are combined, quick and flexible adjustment of the support span, the angle and the height is realized, and stable placement of the surveying and mapping instrument under various terrains is ensured.

The utility model belongs to the technical field of butterfly valves, in particular to an electric high-temperature butterfly valve with a cooling function, which comprises a valve seat, a valve plate and a radiating component, the valve seat is rotatably connected with the valve plate through a transmission shaft, a first pouring body is arranged between the inner side of the valve seat and the valve plate, and the radiating component is embedded in the first pouring body. A mounting frame is fixedly connected to the outer wall of the valve seat at one end of the transmission shaft, a driving part is fixedly connected to the mounting frame, and an output shaft of the driving part is in transmission connection with one end of the transmission shaft through a driving rod. The valve is made of heat-resistant steel materials and is resistant to high temperature, small in size, flexible in rotation and long in service life, the valve plate and the transmission shaft are convenient to disassemble and assemble, operation and maintenance are convenient, meanwhile, the heat dissipation assembly is pre-buried in the pouring body of the valve seat, high-temperature cooling oil is input into a pre-buried pipeline to absorb heat and then is discharged, heat on the valve is rapidly taken away, and the service life of the valve is prolonged. Rapid heat dissipation of the valve is achieved, and long-time stable operation and use of the valve are guaranteed.

This application relates to the technical field of cable construction equipment, and in particular to an adjustable angle lead-in device, which includes a base plate, on which an angle adjustment mechanism, a lead-in mechanism, and a cable reel are disposed. The angle adjustment mechanism includes a turntable rotatably connected to the base plate and a first bracket disposed on the turntable. The first bracket includes two vertical rods disposed on the turntable and a horizontal rod fixedly connected to the two vertical rods. An adjustment assembly is slidably connected to the two vertical rods. The adjustment assembly includes a slider slidably connected to each vertical rod, and each slider is rotatably connected to a rotating frame. The two rotating frames are connected by two first rotating rollers, and the end face of each first rotating roller is rotatably connected to the corresponding rotating frame. This application can adapt well to various complex working conditions, especially when the cable laying path is complex, thanks to its flexible angle adjustment function, height adjustment function, and cable protection design.

The utility model discloses a stay bar type photovoltaic assembly penetrating conductive buckle, which belongs to the technical field of photovoltaic system grounding, and comprises two penetrating sheets which are rotatably connected and a connecting rod mechanism which is connected with the two penetrating sheets, the lower ends of the penetrating sheets are provided with penetrating parts, and the penetrating parts are connected with the connecting rod mechanism. And the penetrating parts at the lower ends of the two penetrating pieces are driven by the connecting rod mechanism to expand outwards and respectively pierce the coating films of the two adjacent photovoltaic panels, so that the two adjacent photovoltaic panels are electrically connected. When two adjacent photovoltaic panels need to be electrically connected, only the conductive buckle needs to be placed in the gap between the two adjacent photovoltaic panels, and then the connecting rod mechanism is operated, so that the step of loosening and turning screws to fix wires on site is reduced, and the risk in construction is reduced.

The utility model relates to an SMT (Surface Mount Technology) visual deviation rectifying mechanism, which comprises an operation table and infrared ray instrument groups which are arranged at the top of the inner wall of the operation table and are distributed in a right angle, a circuit board is arranged at the top of an adsorption disc, and the infrared ray instrument groups are started and are distributed in a right angle; the edge of the circuit board is used for correcting light rays of an infrared instrument group by using an adjusting mechanism, a third motor is started to drive a gear to rotate, the gear is meshed with a gear ring body so as to drive a frame body and the circuit board to rotate and adjust, a first motor is started to drive an output rod to rotate, and the output rod is in threaded installation with the interior of a sliding seat. And meanwhile, a second motor is matched to drive an adsorption disc to rotate, so that the circuit board is more flexible to rotate, the adjusting range is wider, the circuit board deviation rectifying device is suitable for deviation rectifying of circuit boards of different specifications, and the problems that single transverse and longitudinal direction adjustment of the circuit board cannot meet the requirement, and the flexible rotation adjusting function is lacked are avoided.

The present invention relates to the field of slings, and in particular to a protective garden engineering greening tree lifting device, including a main frame, etc.; the main frame is the load-bearing carrier of the device, the top of the main frame is fixedly connected with a docking shaft for docking an external jack, the sliding frame is slidably installed in a slide groove inside the main frame, and the fixed pulley is rotatably installed in the sliding frame; it also includes: a horizontal frame, which is arranged at the lower part of the main frame, and the bottom of the two ends of the horizontal frame are provided with hooks, and the hooks are used to hook up the binding rope and simultaneously lift the bound trees at both ends of the horizontal frame. The present invention sets a balance adjustment component. When lifting two trees at one time and the weights are inconsistent, the servo motor drives the lead screw to move the sliding block to adjust the length of the force arm, and cooperates with the tensioning member to tighten the relaxed wire sling in real time, so as to realize the automatic balance of the trees at both ends of the horizontal frame, ensure that the trees remain horizontal during the transportation process, and thus improve the overall operation efficiency.

The utility model relates to the related technical field of feed port connectors for storage tanks, and provides a feed port connector for a storage tank, which comprises a flange plate and a lower pipe, the lower pipe is arranged at the bottom of the flange plate, a connection dispersion assembly is arranged between the flange plate and the lower pipe, and a butt joint assembly is arranged at the upper end of the flange plate. The connecting and dispersing assembly comprises a boss, the boss is arranged at the bottom of the flange plate, a butt joint groove is formed in the boss and the lower end of the flange plate, an annular groove is formed in the periphery of the inner surface of the butt joint groove, the lower pipe is inserted into the butt joint groove, and a boss is arranged on the periphery of the side surface of the lower pipe and slidably attached to the interior of the annular groove. Sliding grooves are formed in the periphery of the inner side surface of the annular groove and the periphery of the side surface of the boss. By means of the technical scheme, the technical problems that in the prior art, due to long-term impact, fine sand laid on the tank bottom is accumulated towards the periphery, the tank bottom is hollowed out, and once columnar new acid impacts the tank bottom again, the tank bottom is prone to cracking, and hydrochloric acid leaks are solved.

The utility model discloses a combined needle bearing for a high-speed rail braking system, and relates to the technical field of needle bearings. The device comprises a first shaft sleeve, a plurality of supporting rods are fixed to one side of the first shaft sleeve, and a plurality of limiting sleeves are fixed to one side of the first shaft sleeve; a mounting plate is fixed at one end of the limiting sleeve; a first mounting hole is formed in the surface of the mounting plate; roller pins are rotationally connected to the outer sides of the supporting rods; a plurality of limiting grooves are formed in one side of the second shaft sleeve; second mounting holes are formed in the inner walls of the limiting grooves, and multiple limiting holes are formed in the surface of the second shaft sleeve. Under the action of the second shaft sleeve and the reinforcing ring, the roller pin part can be flexibly replaced, the situation that the whole bearing needs to be replaced due to abrasion of the roller pin part is avoided, the structure of the device is reasonable, the structure of the bearing is stable during normal use, and the service life of the bearing is prolonged. And the second shaft sleeve and the reinforcing ring simultaneously fix the other end of the roller pin, so that the roller pin is prevented from shaking during use.

The invention discloses a multifunctional traditional Chinese medicine acupoint pressing massage rehabilitation physiotherapy device, and belongs to the technical field of traditional Chinese medicine rehabilitation physiotherapy. The problems that an existing device is non-adjustable in height, poor in massage effect, inconvenient to turn over, insufficient in stability, not capable of effectively limiting a bed board and poor in head supporting adaptability are solved. According to the technical scheme, the bed comprises a bed frame, a rectangular bed board, a lifting assembly, a massage assembly and a connecting assembly; the top of the bed frame is rotatably connected with the two rectangular bed plates through a connecting assembly, the connecting assembly comprises a rotating shaft I, a rotating shaft II, a servo motor I and a servo motor II, and a limiting top plate is arranged on the side face of the bed frame; a lifting assembly is arranged below the bed frame and comprises a scissor lift, universal wheels with brakes and a threaded rod anti-skid structure; a massage assembly is arranged in the rectangular bed board and comprises an electric push rod, a trapezoidal block, a sliding supporting plate and a pressing protrusion. The head supporting plate is provided with symmetrical head receding holes and provided with sponge pads. The device is mainly used for traditional Chinese medicine acupoint pressing, massaging and rehabilitation physiotherapy, the use comfort and stability can be improved, and the burden of workers is relieved.

The utility model discloses a paperboard lifting mechanism for paperboard printing, which comprises a bottom plate, and the top of the bottom plate is fixedly connected with a driving box. When the motor is adopted to drive the first threaded rod to rotate, the movable frame stably ascends or descends in the threaded direction, the supporting column moves up and down, and therefore the bearing plate is driven to achieve position adjustment in the vertical direction. By means of the structural design, the paperboard is evenly stressed in the lifting process, inclination or shaking is avoided, and the stability of the paperboard is guaranteed. When the electric cylinder pushes the sliding block to slide in the sliding groove, the connecting rod drives the bearing plate to rotate around the hinge point, the inclination angle of the bearing plate can be adjusted according to needs, paperboards can be smoothly conveyed to the surface of a conveyor, the paperboard conveying convenience and efficiency are improved, the paperboard printing efficiency is indirectly improved, and the whole lifting mechanism is compact in structure, small in occupied space and convenient to use. The device is convenient to install and maintain, is suitable for various paperboard printing production lines, and has the advantage of being good in lifting effect.

This invention discloses a large roller assembly for a floor scrubber with oblique motion function, comprising: a lower floor brush housing, a limiting groove on the rear side of the lower floor brush housing, an installation cavity inside the lower floor brush housing, an air suction duct and a roller brush assembly inside the installation cavity, a rotating component inside the limiting groove, a large roller connected to the rotating component, and a small roller on the front side of the bottom of the lower floor brush housing; and an upper floor brush housing, with a connecting ear and a limiting arc plate on the upper floor brush housing, the connecting ear abutting against the limiting groove, and the limiting arc plate located above the roller brush assembly. In use, the connecting shaft moves within the limiting notch as the large roller rolls, with a second bearing rolling on the rolling surface inside the limiting groove, thereby driving the first bearing to rotate on the threaded groove. The other end of the connecting shaft is connected to a retaining ring on the large roller. This structure reduces oblique slippage of the large roller, reduces resistance, and makes the floor brush operate more flexibly.

The utility model provides a microwave human body induction LED lamp. The microwave human body induction LED lamp comprises a supporting rod, the outer side of the top end of the supporting rod is rotationally connected with a rotating seat, a connecting frame is fixedly installed on one side of the rotating seat, a rotating frame is installed on the inner side of the connecting frame, a lamp panel is fixedly installed on the inner side of the rotating frame, and a plurality of sets of LED lamp beads are fixedly installed on the lamp panel. Connecting shafts are fixedly installed at the two ends of the rotating frame correspondingly, and the two sets of connecting shafts are rotationally connected with the two sides of the connecting frame correspondingly. A control panel is fixedly installed on the inner side of the rotating frame, and a microwave induction module is installed on the control panel. According to the utility model, through the cooperation of the connecting seat, the lock column and the lock hole, the position of the rotating frame can be stably fixed, so that the illumination angle of a product can be flexibly adjusted according to the requirement of a user in the same installation environment, and the applicability of the product is improved.

The utility model provides a food processing and grinding device which comprises a grinding machine, first connecting seats are fixedly installed on the two sides of the grinding machine, rotating shafts are rotationally connected to one sides of the two first connecting seats, second connecting seats are rotationally connected to the other ends of the two rotating shafts, and mounting frames are fixedly connected to one sides of the two second connecting seats. A gear is fixedly installed on the outer side of one rotating shaft, one side of the gear is connected with a rack in an engaged mode, and a connecting table is fixedly installed on the side, close to the gear, of the mounting frame. Flexible rotation of the gear can be achieved through cooperation of the electric cylinder and the rack, swing of the grinding machine is achieved through cooperation of the rack and the rotating shaft, and the feeding speed can be effectively increased through collision of raw materials accumulated through inertia when the grinding machine swings left and right; through centrifugal force generated when the grinding machine swings left and right, materials attached to the interior of the grinding machine are thrown out of the discharging opening, and waste is avoided.

The utility model relates to the technical field of helicopter, and disclose a kind of vertical take-off and landing apron is used lock machine bolt mechanism, including lock machine bolt mounting seat, apron layer and building steel structure crossbeam, the bottom end fixed mounting of lock machine bolt mounting seat cavity has upper nut, the bottom fixed mounting of lock machine bolt mounting seat has lower nut.The vertical take-off and landing apron is used lock machine bolt mechanism, effectively the static electricity or lightning induction current of mechanism accumulation is guided into ground, avoid the risk that static electricity spark causes fire, equipment damage or lightning breakdown component, damage helicopter electrical system, satisfy apron electrical safety standard;Its five, give consideration to operation convenience and lock stability, two groups of fixed shaft sleeve provide stable two-point support for lock machine bolt body, ensure that lock machine bolt body can rotate flexibly around shaft sleeve, cooperate the empty slot on lock machine bolt cover plate, can conveniently realize the standing up of lock machine bolt body and clamping and cover plate fastening, operation efficient and lock state stable and reliable.

The application relates to the technical field of material performance test tooling equipment, and particularly discloses a positioning type sample placing table, which comprises a transfer trolley, a sample placing table, a sample positioning assembly, a loading chain, a sample, a positioning frame and a trolley positioning assembly; the sample placing table is arranged on the top of the transfer trolley, the sample positioning assembly is arranged on the top of the sample placing table, and the trolley positioning assembly is arranged on the positioning frame; the outer side of the loading chain is provided with a positioning ring, and the sample is connected with the loading chain. The positioning type sample placing table is provided with a double-positioning structure, can significantly improve sample installation consistency and robot grasping success rate, has the advantages of automatic connection, AGV circulation adaptability, convenient operation, accurate positioning, and is suitable for sample automatic placement and full-process unmanned operation of an intelligent high-temperature tensile test system.