149results about How to "Realize free expansion" patented technology

The invention relates to a waste gas treatment device, and in particular relates to a waste gas incinerator which comprises a preheater and an incinerator shell, wherein the preheater is provided with tube nests and a turning wind chamber, wherein a waste gas inlet and a gas outlet are connected to a shell of the preheater, the waste gas inlet is communicated with a waste gas combustion chamber through sequentially passing by a tube pass passage which is formed by the tube nests and turning wind chambers which are arranged in an alternative manner, and a first cavity which is formed between the inner wall of the incinerator shell and the outer wall of the waste gas combustion chamber, and the waste gas combustion chamber is communicated with the gas outlet through second cavities among all the tube nests; each tube nest comprises a plurality of high-temperature heat exchange pipes and a plurality of low-temperature heat exchange pipes; and the high-temperature heat exchange pipes are arranged at the outlet end of the waste gas combustion chamber, and the low-temperature heat exchange pipes are arranged between the high-temperature heat exchange pipes and the gas outlet. The cost performance and market competitiveness of the waste gas incinerator are high; and a natural gas combustion chamber, the waste gas combustion chamber and the incinerator shell are stretchable on bases, the diameters of the waste gas combustion chamber and the incinerator shell can be reduced due to the natural gas combustion chamber, and the use amount of heat insulating materials is reduced, so the cost is saved; gases in the waste gas incinerator are fully mixed and combusted, and the incinerator has a good heat insulation effect.

The invention discloses a mouse motion control method suitable for switching of multiple screens. The method comprises the steps that a first display screen and a second display screen are provided with infrared emitting pipes and infrared receiving pipes respectively; all the infrared emitting pipes are controlled to emit short-distance infrared signals, and whether all the infrared receiving pipes sense the short-distance infrared signals is detected; according to the infrared receiving pipes sensing the short-distance infrared signals, the orientations of the first display screen and the second display screen are automatically recognized; according to the orientations of the first display screen and the second display screen, the switching direction of mouse movement is controlled. The invention further provides a mouse motion control system suitable for switching of multiple screens. According to the technical scheme, the orientations of multiple display screens can be automatically judged and automatic switching of a mouse on multiple screens can be intelligently controlled.

The invention relates to a conveying mechanism of an automobile door and belongs to the technical field of automobile manufacturing. The conveying mechanism of the automobile door comprises an underframe, a delivering mechanism, a transferring mechanism and guiding mechanisms, wherein the delivering mechanism, the transferring mechanism and the guiding mechanisms are arranged on the underframe, a climbing mechanism is arranged on the bottom of the delivering mechanism, the guiding mechanisms are symmetrically arranged on the two sides of the delivering mechanism and are fixed on the underframe, the transfering mechanism comprises a double-layered sliding rail, a motor, transmission shafts, main gears and pinions, the transmission shafts, the main gears and the pinions are arranged on the two ends of the motor respectively, the double-layered sliding rail comprises a lower sliding rail assembly and an upper sliding rail assembly, a first rack is correspondingly arranged above each main gear, a second rack is correspondingly arranged above each pinion, the first racks are meshed with the main gears, the second racks are meshed with the pinions, and the first racks and the second racks are fixedly connected to the upper sliding rail assembly and the lower sliding rail assembly respectively. The conveying mechanism of the automobile door has the advantages that the automation degree is high, the whole conveying process can be achieved stably, safety and reliability are guaranteed, quality of products is guaranteed, labor intensity of workers is relieved, and workpiece conveying efficiency is improved.

The invention discloses a disposable electric coagulation-cutting bleeding stop device. The device comprises a high-frequency electric knife and a lighting handle, wherein the high-frequency electric knife comprises an electric knife bit, an electric knife bit protection sleeve, a function circuit board and an electric knife penholder sleeved with a conductive metal tube; all the parts are connected through a high-frequency circuit; an electric cutting function or an electric coagulation function can be switched by controlling the function circuit board through an electric cutting switch and an electric coagulation switch; an external high-frequency electric knife instrument supplies power to the high-frequency electric knife through a plug; the lighting handle comprises a hand grip, a lighting assembly and a lighting circuit board; a lighting switch controls the lighting assembly through the lighting circuit board; an external direct-current voltage-stabilizing power supply supplies power to the lighting assembly through the plug, so that shadowless lighting is realized. The disposable electric coagulation-cutting bleeding stop device has the effects and the advantages that a lighting function can be realized; meanwhile, lighting and power-supplying can be carried out continuously and stably, and the knife bit can be freely retracted and fixed.

The invention provides a camera assembly, a mobile terminal and a control method of the camera assembly. The camera assembly comprises a fixing frame, a guide rod, a supporting device, a camera module, a cam and a motor; the guide rod penetrates through the supporting device and is connected with the fixing frame; The supporting device is slidably connected with the fixing frame through a guide rod. The camera module is arranged on the supporting device, the cam abuts against the supporting device, the output end of the motor is connected with the cam, the motor is used for driving the cam torotate so that the cam can apply force for sliding of the supporting device to the supporting device in the sliding direction of the supporting device, and the supporting device slides in the guide rod in a matched and guided mode. According to the scheme, the purpose that the camera module freely extends out of the mobile terminal can be achieved.

The invention provides a camera assembly and a mobile terminal. The camera assembly comprises a fixing frame, a sliding device, a camera module and a coil. The sliding device is slidably connected with the fixing frame, and at least part of the structure of the sliding device has magnetism. The camera module is fixed on the sliding device, so that the sliding device drives the camera module to slide; The coil is fixed to the fixing frame and used for generating a magnetic field, and the coil interacts with the magnetic structure of the sliding device so as to apply force for the sliding deviceto slide in the sliding direction of the sliding device. The camera module can be driven by the sliding device to slide so as to achieve the purpose that the camera module stretches out and draws back.

A self-centering sleeve head comprises a sleeve body. A radial slide groove is formed in the sleeve body. A left clamping block and a right clamping block are arranged in the slide groove and can slide leftwards and rightwards along the slide groove. A two-way threaded rod is connected between the left clamping block and the right clamping block. The left clamping block and the right clamping block are connected with the two-way threaded rod through threads. Fixing sleeves are arranged at the two ends of the two-way threaded rod. The fixing sleeves and the two-way threaded rod are fixedly connected through limiting pins. The self-centering sleeve head can be suitable for detaching and installing bolts of various different specifications and sizes and nuts of various different specifications and sizes and can replace an existing sleeve head. The manufacturing cost of a sleeve spanner is reduced, and the self-centering sleeve head is convenient to carry.

The invention discloses an intelligent grinding device based on force control and a vision technology, and belongs to the technical field of automatic grinding and polishing equipment. The grinding device comprises a six-dimensional force sensor, an industrial vision assembly, constant force actuators, passive adjusting devices, a connecting piece and a grinding assembly, wherein the six-dimensional force sensor is fixed on the connecting piece; three through holes are formed in the connecting piece and are uniformly distributed on the circumference taking the six-dimensional force sensor as the center, and three through holes fix the grinding assembly correspondingly; the grinding assembly comprises grinding heads, the passive adjusting devices and the constant force actuators, and the grinding heads are connected with the constant force actuators through the passive adjusting devices; and the industrial vision assembly is used for detecting whether a grinding obstacle exists in the grinding advancing direction or not in real time, and the obstacle avoidance effect is achieved. The invention provides the efficient intelligent grinding device based on the force control and the vision technology being efficient, safe and good in grinding effect for automatic grinding and polishing, and the automation level and the intelligent level in the grinding and polishing process are improved.

The invention discloses an automatic clamping device of a film blowing machine. The automatic clamping device of the film blowing machine comprises a clamping mechanism and a lifting mechanism. The clamping mechanism is arranged below the lifting mechanism. The clamping mechanism comprises a first clamping block and a second clamping block. The first clamping block and the second clamping block are each provided with multiple moving pins at equal intervals. The first clamping block and the second clamping block are internally hollow. Elastic assemblies matched with the moving pins are arrangedin the first clamping block and the second clamping block. The mechanisms mutually cooperate so that the moving pins can extend and retract through the elastic assemblies in the shell. When the moving pins clamp a filtering net, the filtering net squeezes the moving pins, the moving pins in contact with the filtering net retract inwards through the elastic assemblies, the moving pins not in contact with the filtering net keep the original state, and the retracted moving pins form a pit adaptive to the filtering net; after the filtering net is released, the retracted moving pins can recover the original state, and therefore the moving pins can clamp the filtering net next time. The automatic clamping device of the film blowing machine is adaptable to filtering nets in various shapes and arrangement states.

The invention provides a bamboo elastic sheet mattress adopting left and right separate areas and realizing longitudinal grading, and relates to the technical field of articles for daily life. According to the technical scheme, an upper paving layer, spring core layers and a lower paving layer are arranged, wherein the two spring core layers are arranged on the left and right sides of the width direction of the mattress; the spring core layers are provided with a plurality of elastic support unit structures at intervals along the length direction of the mattress; and the spring core layers arearranged between the upper paving layer and the lower paving layer. According to the technical scheme, through the left and right separate areas, the demands for the hardness and support performanceof the mattress by people having different body weights and body figures can be satisfied, meanwhile, by combining with the longitudinal grading, the demand for the hardness of the mattress by all theparts of the body is satisfied, therefore, the comfort of the mattress is improved, and thus the mattress has a very good market prospect.

The invention discloses a vacuum separation mechanism in a superconducting feeder line system, which comprises a vacuum separation body, various superconducting buses, low-temperature pipeline ports, a corrugated pipe, a protection device of the corrugated pipe and a cold screen connection hot stopper, wherein the vacuum separation body consists a peripheral U-shaped neck pipe and a center separation plate which realize the vacuum environment, the superconducting buses and the low-temperature pipeline ports pass through the center separation plate, the vacuum separation body realizes the vacuum separation at both sides, the superconducting buses and the low-temperature pipeline ports are combined with the corrugated pipe and the protection device of the corrugated pipe for realizing the vacuum sealing, then, the superconducting buses and the low-temperature pipelines can freely and axially extend and contract in the designed range, and the displacement requirement of the system in the work is met. A corrugated pipe protection sleeve protects the corrugated pipe so that the corrugated pipe can normally work under the condition of twisting and bending caused through electromagnetic force. In the aspect of heat insulation performance, the heat conducting path from the room temperature to the low temperature is lengthened through the U-shaped neck pipe, the temperature gradient on the vacuum separation is optimized through the hot stopper, and the heat load of 4.2K low-temperature components in the center position of the separation is possibly reduced.

The invention discloses a household electric fan with a cleaning function. The household electric fan structurally comprises a fan housing, fan blades, a rotary disc, an electric fan supporting column, a dustproof cover, a control master machine and a driving switch. Water injection nozzles are mounted at the connections of the rotary disc and the fan blades, and the water injection nozzles are formed symmetrical to the fan blades, so that cleaning water is sprayed uniformly, and dust and dirt on the fan blades are primarily cleaned under impact of the water injection nozzles. A hairbrush connecting mechanism is driven by a telescopic ejecting mechanism, a traction mechanism and a gear transmission device to work, a cylindrical hairbrush is vertically pushed to the fan blades through a cleaning port, and the cylindrical hairbrush is driven by rotation of a hairbrush rotary driving device to rotate in the circumferential direction, so that the fan blades are cleaned again to achieve theoptimum cleaning effect.

The invention relates to a portable network cabling box which comprises a base, a switchboard, a cable box and a box body. The switchboard is fixedly installed on the base through a switchboard installing groove in the base and provided with a network input interface, a network output interface and a power interface. The cable box is fixedly installed on the base through the cable box arranged on an upper cover plate on the switchboard installing groove. A network cable retraction mechanism and a network cable locking mechanism are arranged inside the cable box, a network cable is evenly wound on the network cable retraction mechanism, an input crystal head at one end of the network cable penetrates a groove of rear cover plate on the cable box installing groove and a groove of the upper cover plate on the cable box installing groove to be connected with the network output interface, and an output crystal head at the other end of the network cable penetrates a cable box output and then extends out of windows arranged on the two side walls. The problems of low working efficiency and nonstandard cabling during temporary local area network building are solved, and the portable network cabling box is convenient to carry and simple in use.

The invention discloses a castor for furniture bottoms and relates to the field of furniture fittings. The castor comprises a connecting base, a support frame and a roller, the support frame is rotationally connected to the bottom of the connecting base through a first rotating shaft arranged along the vertical direction, the roller is connected to the support frame rotationally through a second rotating shaft arranged along the horizontal direction, a support seat is arranged on the support frame with the length in the vertical direction, a telescopic structure is arranged in the roller and comprises a connection layer, a cover layer and a plurality of telescopic rods, the telescopic rods connected with the connection layer and the cover layer can extend and retract radially, the connection layer is fixedly connected with the second rotating shaft, permanent magnets are arranged on one side, close to the telescopic rods, of the cover layer peripherally, electromagnets in mutual repulsion with the permanent magnets after being energized are arranged on one side, close to the telescopic rods, of the connection layer peripherally, and the cover layer is made of wearproof stretchable TPU material. Through the technical scheme, the problem that the support seat can only be moved with force larger than gravity of furniture when the support seat and the roller are switched is solved.

The invention relates to a wood furniture processing machinery, specifically to a furniture plate processing device. The furniture plate processing device comprises a displacement mechanism, an angleadjusting mechanism, a range adjusting mechanism, a grinding component, a wood chip cleaning mechanism and a grinding adjusting component and is characterized in that the angle adjusting mechanism ismounted in a groove, formed in the displacement mechanism, in a sliding manner; the range adjusting mechanism is fixedly mounted on the angle adjusting mechanism; the wood chip cleaning mechanism is fixedly mounted on the range adjusting mechanism; the grinding component is fixedly mounted on the range adjusting mechanism; the grinding adjusting mechanism is mounted on the range adjusting mechanism is a sliding manner; and the grinding component is connected with the grinding adjusting mechanism in a contacting manner. The furniture plate processing device has the advantages that grinding surfaces with different angles can be ground, a plate groove surface can be ground, the phenomenon that burrs are formed on the side boundary in the grinding process is avoided, and meanwhile, an accuratewood chip cleaning function is realized for the ground plate surface.

The invention discloses a multidirectional displacement composite plate type telescopic device composed of a displacement device and a fixing plate, wherein one end of the fixing plate is welded to the upper surface of an inner boundary beam of the displacement device in a flush mode; a force transmission fulcrum is formed on the inner side of the fixing plate through a supporting block; a polytetrafluoroethylene plate on the upper surface of the supporting block and the fixing plate form a sliding supporting point; the other side of the fixing plate is connected with a bridge floor through bolts on an anchoring assembly; the anchoring assembly is composed of an anchoring box body, a pressing rubber block and connecting bolts; the fixing plate is embedded into the anchoring box body through a boss at the bottom; and the bottom of the boss and the pressing rubber block form pre-tightening force when the bolts are fastened. The displacement device is composed of beam bodies, connecting frames, pressing beams, pressing supports, slideways and pressing bolts, the side beams and the middle beam are pressed on the slideway through the connecting frames and the pressing supports of the side beams and the middle beam, the beams slide through a sliding face formed by the pressing supports, the contact faces of the pressing beams and the slideway, and the telescopic displacement requirement is met.

The invention discloses a bookshelf with adjustable layer spacing, comprising a partition, a bottom plate and a side plate, two side plates are symmetrically fixed on the bottom plate, and each side plate is provided with a chute, and each At least two insertion holes are opened in each of the sliding grooves along the vertical direction, and the insertion holes in the two sliding grooves are arranged horizontally symmetrically, and the two ends of the partition plate are horizontally fixed to the two sides by inserting rods. The invention solves the problem that slightly larger books cannot be neatly placed on the bookshelf due to the fixed layer spacing of the existing bookshelf, and has simple design and convenient use.

The invention discloses a bolt-free prepressing type large-displacement anti-deflection multidirectional displacement comb plate bridge expansion device, belonging to the technical field of bridge construction. The bridge expansion device comprises comb plates fixedly connected with a beam body and a supporting mechanism arranged under the comb plates. The key points are as follows: the bridge expansion device further comprises a middle comb plate arranged between the two comb plates, the supporting mechanism comprises supporting displacement boxes fixed to the lower portions of the comb plates and supporting cross beams arranged in the length direction of the beam body; the number of the supporting cross beams is at least two, all the supporting cross beams are arranged in the width direction of the beam body and fixed together through supports, the two ends of the middle comb plate are connected with the comb plates at the corresponding ends in an inserted mode respectively, and a positioning plate is fixed to the side face of the middle comb plate and connected with the supporting cross beam located on the outermost side through a connecting piece. The overall deflection resistance and multidirectional deflection capacity of the bridge expansion device can be improved, and vehicles can pass stably.

The invention discloses an emergency lighting system capable of being automatically turned on during power failure. The emergency lighting system comprises a mounting box body, a placement box, an emergency lighting lamp, protective cloth, a positioning auxiliary mechanism and an electric telescopic rod. According to the emergency lighting device capable of being automatically turned on, through cooperation among the arranged connecting rotating shaft, the arranged third transmission gear, the arranged movable rack and the arranged positioning auxiliary mechanism, the irradiation direction of the emergency lighting lamp can be made to incline downwards, then the lighting effect of the emergency lighting lamp is improved, and it is ensured that emergency evacuation work is smoothly conducted; and in addition, free stretching and retracting of the emergency lighting lamp can be achieved through the arrangement of a containing groove, protective cloth, a reset spring and an electric telescopic rod, the situation that dust and impurities adhere to the emergency lighting lamp, and the lighting effect of the emergency lighting lamp is affected can be avoided, and the emergency lighting lamp is well protected.