44results about How to "Effective adjustment distance" patented technology

The invention discloses a tunnel waterproof plate laying trolley which comprises a plurality of trolley portals which are distributed in parallel. The trolley portals are provided with arch rings matched with the inner wall of a tunnel. A climbing mechanism is arranged on every two adjacent arch rings. The climbing mechanisms are installed on the arch rings in a transmission mode through transmission assemblies. A laying assembly and a leveling assembly are arranged on each climbing mechanism. Each climbing mechanism comprises two climbing boxes which are connected to the two corresponding adjacent arch rings in a transmission mode respectively, and a climbing trolley installed between the two climbing boxes, wherein the climbing trolley is installed on the climbing boxes through rotating shafts in a rotating mode. The climbing mechanisms can move in the circumferential direction of the arch rings, in this way, the laying assemblies can be driven to lay waterproof plates along the inner wall of the tunnel, meanwhile the leveling assemblies can level up the waterproof plates laid on the inner wall of the tunnel, it is guaranteed that the waterproof plates laid on the inner wall of the tunnel are closely attached to the inner wall of the tunnel, the laying efficiency of the waterproof plates is improved, and the laying quality of the waterproof plates is effectively guaranteed.

The invention discloses a range hood with a lifting cover. The range hood comprises a range hood main body, wherein the range hood main body comprises a shell, a cover, a motor, a fan blade and a filter screen; the cover is located under the shell; one side of the shell close to the cover is connected with the filter screen; the other side of the shell away from the cover is connected with the motor; the motor is connected with the fan blade; the cover comprises a first cover and a second cover; the second cover is connected with the first cover; the first cover is connected with the shell; a pushing plate is arranged on the second cover; and the pushing plate is connected with the shell through a lifting mechanism. The range hood is novel in structure, reasonable in design and convenient in use; and the arranged second cover can be moved up and down by the lifting mechanism, so that the use efficiency of the range hood can be increased, the space of a cooking bench can be saved, and the kitchen is brighter and wider.

The invention discloses an automatic green brick stacking machine of a brick kiln. The machine is characterized in that a telescoping frame is connected to the bottom part of a chuck, wherein a clamp is fixed to the inner wall of the telescoping frame; a cylinder is fixed to the telescoping frame; a clamping plate passes through a telescoping rod; the cylinder communicates with an air storing tank through an air distributing tube; the air distributing tube is connected with an air pressure regulator; a base on which a gyring support is arranged is connected to the top part of the chuck; a pressing plate on which a speed reducer is arranged is rotatably connected to the gyring support; a connecting gear is connected to an output shaft of the speed reducer; a spring column is arranged between the pressing plate and the gyring support; the pressing plate is connected with a lifting device; a moving device comprises a first frame plate, a second frame plate and a tension spring column; a driving wheel which is driven through a servo motor is arranged on the first frame plate; a driven wheel is arranged on the second frame plate. With the adoption of the machine, each green brick can be successfully clamped; the chuck can self-adaptively adjust the inertia force during rotating; when pausing, the moving device can self-adaptively buffer the inertia impacting force, so that the stability of the green brick in moving can be improved, and as a result, the green brick stacking efficiency can be improved.

The present invention provides a coffee bean automatic drying and screening device. The coffee bean automatic drying and screening device comprises a roller, and a transmission mechanism and a bracket part connected with an outer surface of the roller. A material inlet is connected with a left side of the roller, a material outlet is connected with a right side of the roller, a hot blast stove is connected with the right side of the roller via an air guide pipe, two dust removers are connected with two sides of the roller and both connected with a variable frequency fan, a screening box is arranged right below the material outlet, a dust collection box is arranged at a left side of the screening box, and a material loading box is arranged at a right side of the screening box. By using the hot blast stove to blow air into the roller, a purpose of drying coffee beans is achieved and the hot air can also carry away dust, so that air in the roller circulates, the drying of the coffee beans is accelerated and a dust concentration within the roller is also reduced. The coffee bean automatic drying and screening device ensures a smooth operation of the roller, can also conduct the automatic screening after the drying is completed, reduces labor costs and improves a use value.

The present invention discloses a portable virtual reality glasses and a portable virtual reality 3D display device. The portable virtual reality glasses include eyeglasses, a mounting plate, a folding black-out cloth and a display frame; the eyeglasses are arranged on the mounting plate, the folding black-out cloth is arranged between the mounting plate and the display frame, and users can observe images on a display terminal through the eyeglasses to obtain three-dimensional impression. The portable virtual reality 3D display device includes a portable virtual reality glasses and the display device, wherein the display terminal is embedded in the display frame. The portable virtual reality glasses and the portable virtual reality 3D display device can skillfully perform deformation and rapidly switch between the state glasses and the state of a protective housing; and moreover, in the state of the protective housing, the sizes of the portable virtual reality glasses and the portable virtual reality 3D display device are the same as the size of a mobile phone housing, and the usage processes of the portable virtual reality glasses and the portable virtual reality 3D display device are the same simpleness and rapidness as the current frame-type mobile phone housing so as to effectively solve the problems that the usage process of the current virtual reality glasses is not enough simple, and the current virtual reality glasses is large in size and inconvenient to carry.

The invention relates to the technical field of biology, in particular to a preparation method of a tri-specific antibody based on structure optimization protein activity. According to the construction method, Fab of a monoclonal antibody of a first structural domain is taken as a structural basis, and antibody fragments targeting two tumor specificity or related antigens, namely a second structural domain and a third structural domain, are added at the same time; the second structural domain and the third structural domain can be connected to the N end of a Fab heavy chain variable region, between structural domains 184S-187L of a heavy chain constant region (CH1) and to the C end of the heavy chain constant region through a linker; or is connected to the Fab light chain variable region N end, between the light chain constant region (CL) structural domain 171S-173D and the light chain constant region C end. By adopting the method provided by the invention, the prepared three-specific antibody with the optimized structure design can effectively mediate the targeted recognition and inhibition killing activity of T cells on hematological tumors and solid tumors, prevents the problems of tumor antigen immune escape, drug resistance and the like, and has the functions of collaborative targeted therapy and enhancement of immunotherapy effect.

The invention discloses a multi-stage centrifugal pump shell casting forming system. The multi-stage centrifugal pump shell casting forming system comprises a base, a storage tank and a casting cavity, wherein a hydraulic cylinder is arranged at the bottom of the base, a piston rod of the hydraulic cylinder penetrates through the base and is connected with the storage tank, and a water tank is arranged on the outer wall of one side of the storage pipe; a guide pipe is arranged on one side of the bottom of the storage cavity, and a guide valve is arranged on the guide pipe; the casting cavity is arranged on the base and positioned on one side of the storage tank and comprises an inner barrel, a water inlet pipe, a water outlet pipe and an outer barrel, the outer barrel is arranged outside the inner barrel in a sleeving mode, and the water inlet pipe and the water outlet pipe are arranged between the inner barrel and the outer barrel; one end of the water inlet pipe is provided with a water inlet, and one end of the water outlet pipe is provided with a water outlet; and a water guide pipe communicates and is connected with the water inlet, one end, far away from the water inlet, of the water guide pipe communicates and is connected with the bottom of the water tank, a water valve is installed on the water guide pipe, a pump water pipe communicates and is connected with the wateroutlet, one end, far away from the water outlet, of the pump water pipe communicates and is connected with the top of the water tank, and a water pump is installed on the pump water pipe.

The invention discloses a vibration device for vibrating gypsum in denture processing. The vibration device comprises a vibration base, wherein the vibration base is internally provided with a plurality of groups of vibration assemblies and a transformer; a platform is arranged at the upper end of the vibration base; the platform is connected with the vibration assemblies; each vibration assemblycomprises an upper spring, a lower spring, a vibration rod capable of moving up and down and a barrel body; a cap cover is fixed at the upper end of each barrel body and the lower end of each barrel body is connected with the vibration base; the top of each vibration rod is connected with the platform and the lower end of each vibration rod penetrates through the corresponding cap cover and stretches into an inner cavity of the corresponding barrel body to be connected with a sliding block; each sliding block is in slippage match with an inner wall of the corresponding barrel body; each upperspring sleeves the upper end of the corresponding vibration rod and is located between the platform and the corresponding cap cover; each lower spring sleeves the lower part of the corresponding vibration rod and is located between the corresponding cap cover and the corresponding sliding block. When the vibration device is used, gypsum to be processed is placed on the platform so that the structural density of the gypsum is improved; the working efficiency is improved and the processing quality of a product is also ensured.

The invention discloses a spliced type intelligent child carrier and a splicing method thereof. The spliced type intelligent child carrier comprises a box body. A fixing mechanism is suspended in the box body through a suspension support. A splicing mechanism used for taking of children is arranged in the fixing mechanism. A splicing locating case is arranged in the splicing mechanism and provided with a first seat, a second seat and a splicing flat board. The first seat and the second seat are provided with a temperature sensor and a humidity sensor. A control box is further arranged in the box body. The first seat and the second seat are distributed symmetric about the center of the splicing flat board so that the space of the splicing flat board can be more effectively used by the two children. By the adoption of the spliced type intelligent child carrier, the splicing mechanism is arranged to achieve multiple functions, so that the purpose that the children can take the carrier and have a rest conveniently is achieved; a spring damping system imitating that of an automobile is adopted so that the children can better fall asleep; and a full-suspension system is adopted in the splicing mechanism so that the jolting feeling caused by the splicing mechanism can be relieved when the ground is rugged.

The invention belongs to the technical field of safety valve inspection, and discloses a clamping mechanism for inspecting a safety valve. The clamping mechanism comprises a clamping mechanism covering the lower side of a protective cover, the clamping mechanism comprises a safety valve sealing bottom plate arranged in the center of a workbench, a plurality of sliding grooves are formed in the periphery of the safety valve sealing bottom plate, clamping jaws are arranged in the sliding grooves, connecting rods are arranged on the lower portions of the clamping jaws, the connecting rods are connected with a rotary disc, a rotary disc handle is arranged on the rotary disc, and the clamping jaws slide along the sliding grooves when the rotary disc handle rotates. The beneficial effects of theclamping mechanism are that: the clamping jaws capable of moving along the sliding grooves are arranged in the sliding grooves at the bottom portion to effectively adjust the distance between the clamping jaws and the safety valve sealing bottom plate arranged at the center of the workbench, and pressing plates penetrating through the upper portions of the clamping jaws can be fixed on the flanges of the safety valves when the safety valves are clamped, and the safety valves can be clamped in the transverse and longitudinal angles by pushing an oil cylinder at the bottom portion; and moreover, the clamping mechanism is simple, easy to adjust and suitable for valves of various specifications.

The invention relates to the technical field of sample test instruments, in particular to a test chamber used for a waterproof test. The test chamber comprises a chamber body, a rotary table system, a water way system, an electrical cabinet and an electrical system, wherein a working room is arranged at the upper portion inside the chamber body, the water way system comprises an anti-splashing cylinder, a water tank and a water pump, the anti-splashing cylinder is a hollow cylinder with the two ends opened, a water inlet is formed in one side of the working room of the upper portion inside the chamber body, one end of the anti-splashing cylinder is installed on the water inlet, a water jet nozzle is installed at the other end of the anti-splashing cylinder, the water tank is installed at the bottom of the anti-splashing cylinder, a pipeline at the end of the water inlet of the water tank is connected with tap water, a pipeline at the end of a water outlet of the water tank is connected with the water jet nozzle, and the rotary table system and a water pump pipeline are connected with the electrical system. By the adoption of the closed-loop structure, the water splashing phenomenon does not occur in a test room when a water jetting test is performed, test recirculation water returns to the water tank to be recycled after being filtered, and water resources can be saved to the maximum limit.

The invention discloses aviation aluminum alloy machining vibration cutting equipment and a working method. The aviation aluminum alloy machining vibration cutting equipment comprises a supporting mechanism, the supporting mechanism comprises a base, the top of the base is fixedly connected with a cutting equipment body, the top of the base is fixedly connected with two supporting plates, and a movable threaded rod is rotationally connected between the opposite outer surfaces of one sides of the two supporting plates. One end of the outer surface of the movable threaded rod extends to one side of the two supporting plates, the outer surface of the movable threaded rod is sleeved with a first bevel gear, and a limiting groove is formed in the top of the base. During use, if the actual size of a to-be-machined part meets the treatment size of the cutting equipment body, the to-be-machined part can be directly and fixedly connected to the cutting equipment body, then the to-be-machined part can be effectively cut; and if the actual size of the to-be-machined part does not meet the machining treatment conditions of the cutting equipment body, the to-be-machined part can be effectively and fixedly connected to a chuck body.

The invention provides a translucent electrode based on a metal nanocomposite structure in the field of optoelectronic technology. The translucent electrode is composed of metal nanowires and metal nanoparticles, wherein the metal nanoparticles are added to the randomly-arranged metal nanowire network. The metal nanoparticles are added to the metal nanowire network electrode, metal nanoparticle plasmon resonance and resonance coupling between the metal nanoparticles and the metal nanowires are used, the electric field near the electrode is enhanced, and the charge injection efficiency of the electrode is further enhanced.

The invention discloses a scaffold connecting device for civil engineering, and relates to the technical field of civil engineering. The scaffold connecting device for civil engineering comprises a frame body, and the frame body comprises a first vertical rod, a second vertical rod, a first transverse rod and a second transverse rod; the first transverse rod and the second transverse rod are connected with the first vertical rod and the second vertical rod through a first connecting assembly and a second connecting assembly correspondingly; the first transverse rod is connected with ground through a bottom connecting assembly, and the first transverse rod and the second transverse rod are connected through a middle connecting assembly. By arranging the first connecting assembly and the second connecting assembly, the first transverse rod and the second transverse rod can be stably connected between the first vertical rod and the second vertical rod, and the distance between the first vertical rod and the second vertical rod can be effectively adjusted through a plurality of first clamping plates with different lengths in the first connecting assembly and the second connecting assembly; through the bottom connecting assembly and the middle connecting assembly, overall supporting capacity and buffering capacity are effectively improved.