576results about How to "Achieve folding" patented technology

The invention provides a preparation method of a left ventricular assist device, the left ventricular assist device comprises a micro pump head, a transmission shaft and a driving control mechanism, the micro pump head comprises a pump head impeller and a pump head transmission assembly, the transmission shaft comprises a mandrel and a twisting shell, and the driving control mechanism comprises a twisting shell driving module and a mandrel driving module. The method comprises the following steps that a pump head transmission assembly penetrates through a pump head impeller, and the far end and the near end of the pump head impeller are fixed to the far end of the pump head transmission assembly and the far end of a twisting shell correspondingly; a mandrel is inserted into the twisting shell, and the far end of the mandrel and the near end of the pump head transmission assembly are fixed; the twisting shell driving module is arranged at the far end of the mandrel driving module and is detachably connected with the mandrel driving module, and the far end of the twisting shell driving module is in transmission connection with the near end of the twisting shell; and the far end of the mandrel driving module is in transmission connection with the near end of the mandrel. According to the scheme, the left ventricle auxiliary device with the instrument micro-size and the high blood supply flow can be obtained, and the use safety and the working efficiency of the left ventricle auxiliary device are improved.

The invention discloses a tensile testing machine for artificial leather processing and a detection process thereof, and belongs to the technical field of artificial leather processing.The tensile testing machine comprises a machine base placed above a workbench, a guide base is fixedly installed at the upper end of the machine base, a sliding way is formed in the guide base, and a motor is fixedly installed on the inner side of the machine base; a threaded rod is fixedly mounted at the output end of the motor; the sliding seat is arranged on the inner side of the sliding way in a sliding mode, a monitor is fixedly installed on the outer side of the sliding seat, and a first clamping assembly is fixedly installed at the detection end of the monitor; the second clamping assembly is fixedly mounted on the upper surface of the machine base; and the two winding pieces are elastically and rotationally mounted on the first clamping assembly and the second clamping assembly correspondingly. According to the tensile testing machine for artificial leather processing and the detection process thereof, the end part of artificial leather can be stably clamped, the detection stroke can be shortened in the detection process, meanwhile, an operator can be prevented from being hurt after the artificial leather is broken, and the use safety is high.

The invention relates to the technical field of near-to-eye display, in particular to a miniature biprism projection system for a reflection illumination light source and near-to-eye display equipment. The miniature biprism projection system comprises an illumination light source, an image source, a first prism and a second prism, wherein the second prism is arranged between the first prism and the image source; the second prism is used for receiving the illumination light rays output by the illumination light source, reflecting the illumination light rays twice and then emitting the illumination light rays to the image source; the image source reflects the illumination light to form image light, and the image light is refracted by the second prism, then enters the first prism, is reflected twice in the first prism, and then is emitted to the exit pupil position. According to the projection system, the illumination light path and the imaging light path share the second prism, the illumination light is reflected twice by the second prism to the image source, the image light is refracted by the second prism, reflected twice by the first prism and then emitted to the exit pupil position, light path folding is achieved, and the size of the projection system is greatly reduced.

The invention relates to the technical field of switch cabinet nuclear phase equipment, in particular to an adjustable switch cabinet nuclear phase auxiliary tool which comprises a scissor type telescopic frame, mounting plates are symmetrically mounted on the opposite side walls of the scissor type telescopic frame, and fixing assemblies are mounted on the outer walls of the mounting plates. Wherein the fixing assembly is more stable when the scissor type telescopic frame transversely moves; the distance of the device can be adjusted through the scissor type telescopic frame, and the operation safety is improved through the push-pull rod; by pushing the sliding shell to move, when the side wall of the inner cavity of the sliding shell is attached to the sliding rod, only the sliding shell needs to be rotated, then the sliding shell is unfolded, and then the sliding shell is magnetically adsorbed to the outer wall of the magnetic adsorption block to be fixed; the opening shells move on the outer walls of the positioning rods along the 45-degree inclination direction through the limiting sliding grooves, then the distance between the opening shells is adjusted, meanwhile, the distance between the opening top plates located at the end openings of the opening shells is correspondingly adjusted, and practicability is better.

The invention relates to product box unpacking and stacking equipment which comprises a pushing device, a box stacking device and a box stacking device. The unboxing device comprises an unboxing mechanism, a supporting mechanism and a clamping mechanism, the clamping mechanism is arranged on the peripheral side of the supporting mechanism in a surrounding mode, the clamping mechanism can clamp or release the product box in the second direction perpendicular to the first direction, and the supporting mechanism can abut against or be separated from the bottom of the product box in the third direction perpendicular to the first direction and the second direction; the unboxing mechanism can cut adhesive tape of the product box, open box leaves of the product box and push the product box to be folded. And the lifting device is arranged in the third direction, and the output end of the lifting device is connected with the clamping mechanism so as to drive the clamping mechanism to drive the product box to move in the third direction. In this way, automatic unpacking and folding of the product box can be achieved, manual operation is not needed in the whole process, the labor intensity is reduced, cyclic utilization of the product box and the partition plates is achieved, and the turnover space is reduced.

The invention provides a folding mechanism, a vehicle storage rack and a vehicle. The folding mechanism is applied to a vehicle storage rack and comprises a first connecting rod mechanism and a first driving motor. And the first connecting rod mechanism is in transmission connection with a first output part of the first driving motor so as to drive a second output part of the first connecting rod mechanism to move along a preset track between a storage position and a use position. The bending section of the preset track can be used for optimizing the motion track of the second output component, and the use flexibility of the folding mechanism is improved. The folding mechanism can be folded and unfolded through the first connecting rod mechanism, and the structural reliability of the folding mechanism, the vehicle storage rack and the vehicle is improved.

The basket framework can move from an unfolded state to a folded state after a locking device is unlocked and comprises a first supporting rod, a second supporting rod capable of sliding up and down relative to the first supporting rod is connected to the first supporting rod, and a second connecting base is arranged at the upper end of the second supporting rod; a first supporting frame and a second supporting frame are rotatably connected to the two sides of the second connecting base, a first connecting base is arranged at the lower end of the first supporting rod, and a first supporting frame and a second supporting frame are rotatably connected to the two sides of the first connecting base; when the first supporting frame and the second supporting frame rotate and are folded relative to the second connecting base to be close to each other, the second supporting rod slides downwards relative to the first supporting rod, and the first supporting frame and the second supporting frame rotate relative to the first connecting base to be close to each other. The invention further discloses a cart adopting the basket framework. The basket framework and the cart are simple in structure and small in size after being folded.

The invention discloses a foldable multifunctional anchoring drilling machine, and relates to the technical field of anchoring drilling machines, the foldable multifunctional anchoring drilling machine comprises a mounting rack, the top of the mounting rack is provided with a folding assembly, the folding assembly comprises a sliding block, and the outer surface of the sliding block is provided with an anchoring assembly. According to the foldable multifunctional anchoring drilling machine, in order to facilitate transportation of the anchoring drilling machine, after the anchoring drilling machine is used, a first hydraulic rod is started firstly, a drill bit is driven to move to the position between the outer surfaces of the two clamps, the drill bit is clamped, and then the drill bit is separated under the action of a driving motor; when the multifunctional anchoring drilling machine is used, an arc-shaped rod is moved to the position parallel to a first drilling rod, a plurality of electromagnets are inserted into a limiting groove, a plurality of rotating pipes are moved out of the interior of a second drilling rod through rotation, then the first drilling rod is rotated to the position perpendicular to a mounting frame, and folding of a sliding way and a rotating rod part in the multifunctional anchoring drilling machine is achieved; the problem that in the prior art, an anchoring drilling machine is large in size and inconvenient to transport is solved.

The stair operation platform with the automatic crawling function comprises a platform frame, a lifting mechanism, a transmission mechanism, driving crawling wheels and action crawling wheels, the platform frame is an operation platform, the lifting mechanism is arranged at the bottom of the platform frame and comprises a bottom frame, the bottom frame is of a square frame type structure, and the driving crawling wheels are arranged on the two sides of the bottom of one end of the bottom frame correspondingly; each driving climbing wheel comprises a sleeve frame, a wheel carrier is rotationally arranged on the inner side of the bottom end of the sleeve frame through a transverse shaft, the transverse shaft is fixedly connected with the wheel carrier in an inserted mode and is rotationally connected with the sleeve frame in a sealed mode, and a ladder climbing wheel is rotationally arranged on the inner side of the end of each end of the wheel carrier; a transmission mechanism fixed to the bottom side of the bottom frame through a support is arranged between the driving climbing wheels and comprises a transmission motor. According to the operation platform, the problem that the operation platform is inconvenient to carry is solved.

The present invention discloses a folding driving device, including a driving mechanism, a gear assembly, a transmission assembly and a rotating seat for being fixedly connected with a mirror base; the transmission assembly is coaxially arranged with the gear assembly and can be transmission-connected with the gear assembly; the gear assembly is transmission-connected with the output end of the driving mechanism; the transmission assembly is coaxially arranged with the rotating seat and is always relatively statically connected; a limiting groove is provided on the side of the base facing the rotating seat; an elastic member and a limiting assembly for limiting the limiting groove are provided on the side of the rotating seat facing the base, and the elastic member can generate a gap between the rotating seat and the base; when the base is limited and the gear assembly continuously rotates in the limited direction, the gear assembly presses against the transmission assembly in the axial direction to make the rotating seat fit with the base. In the present invention, the transmission resistance between the base and the rotating seat can be reduced during the folding process of the rearview mirror, and at the same time, the entry of wind and sand and the generation of wind noise can be avoided when the rearview mirror is folded or unfolded in place.

The utility model relates to the technical field of LED display screens, in particular to an immersive interactive full-color LED intelligent display system which comprises an installation plate, a first module panel is fixedly installed on the installation plate through a fixing base, a moving groove is formed in the surface of the fixing base, a limiting groove communicated with the moving groove is formed in the surface of the fixing base, and a second module panel is fixedly installed on the first module panel. A moving groove is formed in the base, a moving block is slidably mounted in the moving groove, a mounting groove is formed in one end of the moving block, a rectangular block is slidably mounted in the mounting groove, a first telescopic spring is fixedly mounted on the rectangular block, connecting rods are fixedly mounted on the surfaces of the multiple rectangular blocks, and a second module panel is fixedly mounted on every two connecting rods. According to the folding type LED display screen, through mutual cooperation of the moving blocks, the first telescopic springs, the rectangular blocks and the connecting rods, folding of a plurality of module panels of the LED display screen is achieved, so that when the display screen is not used, the module panels are stored, occupied space is reduced, and the practicability of the device is improved.

The invention discloses a folding driving device which comprises a driving mechanism, a gear assembly, a transmission assembly and a rotating seat used for being fixedly connected with a mirror base. The transmission assembly and the gear assembly are coaxially arranged and can be in transmission connection with the gear assembly; the gear assembly is in transmission connection with the output end of the driving mechanism; the transmission assembly and the rotating seat are coaxially arranged and are always connected in a relatively static manner; a limiting groove is formed in the side, facing the rotating base, of the base. An elastic piece and a limiting assembly used for limiting the limiting groove are arranged on the side, facing the base, of the rotating base, and the elastic piece can enable a gap to be generated between the rotating base and the base. When the base is limited and the gear assembly continuously rotates in the limited direction, the gear assembly presses against the transmission assembly in the axial direction, so that the rotating seat is attached to the base. In the invention, the transmission resistance between the base and the rotating seat can be reduced in the folding process of the rearview mirror, and meanwhile, the entering of wind and sand can be avoided and the generation of wind noise can be reduced after the rearview mirror is folded or unfolded in place.

The utility model relates to the technical field of LED display screens, and discloses a folding type LED splicing screen which comprises LED display screens and a connecting assembly used for connecting adjacent LED display screens, the connecting assembly comprises two connecting blocks and a damping hinge, the two connecting blocks are hinged through the damping hinge, and the two connecting blocks are connected through the damping hinge. Connecting grooves matched with the connecting blocks are formed in the two sides of the LED display screen, containing grooves are formed in the positions, located on one sides of the connecting grooves, of the LED display screen, locking assemblies are arranged in the containing grooves, and locking holes are formed in the middles of the connecting blocks. Through the arrangement of the connecting assemblies, the connecting blocks can be connected with the connecting grooves, the two adjacent LED display screens are spliced through the connecting assemblies and can rotate around the damping hinges, folding of the LED spliced screen is achieved, meanwhile, disassembly and assembly of the LED display screens are facilitated, and the disassembly and assembly efficiency of the LED spliced screen is improved.

The invention relates to the field of automatic production lines, and discloses small power supply charger boxing equipment which comprises a lower-layer transmission line, a box body jacking and extending mechanism and an upper-layer bagging and boxing mechanism. The lower-layer transmission line transmits a box body to the box body jacking and extending mechanism from a starting position, and the box body jacking and extending mechanism jacks and extends the box body at the tail end of the transmission line to the upper-layer transmission line; the product feeding conveying mechanism and the PE bag feeding conveying mechanism of the upper-layer bagging and boxing mechanism convey products and PE bags to the bagging module correspondingly, the products are bagged into the PE bags, and the PE bags are conveyed to the position of the boxing module through the PE bag feeding conveying mechanism. Compared with the prior art, box conveying and bagging boxing are divided into an upper layer and a lower layer through the lower-layer conveying line and the box jacking and stretching mechanism, PE bag openings are folded upwards through the overturning and transplanting module and the bag folding clamping jaw module, the occupied space of equipment is reduced, and meanwhile bagged products are prevented from being separated from PE bags.

The invention relates to a repeatable unfolding device capable of being used for protection, and belongs to the technical field of spacecraft protection. Comprising an extensible protective cover, an unfolding mechanism, a mounting seat, a rope driving mechanism and a locking mechanism, the mounting seat is of a conical cylinder structure which is vertically arranged in the axial direction; the interior of the mounting base is a hollow cavity, and a circular opening is formed in the top of the mounting base; the unfolding mechanism is arranged at the outer edge of the top opening of the mounting seat; the deployable protective cover is connected with the extending end of the deploying mechanism; the rope driving mechanism and the locking mechanism are both mounted on the deployable protective cover; the unfolding mechanism rotates by taking the outer edge of the opening in the top of the mounting seat as an axis to drive the deployable protective cover, the rope driving mechanism and the locking mechanism to turn over; the rope driving mechanism drives the deployable protection cover to unfold or fold; the locking mechanism is used for locking the deployable protective cover in an unfolding state; the protection device can be flexibly folded and locked after being unfolded, and therefore protection on equipment in a specific area of a spacecraft is achieved.

The utility model belongs to the technical field of canopies, and particularly relates to a convenient electric bicycle canopy capable of being completely folded, which comprises a folding assembly, an extension assembly, a mounting assembly and tarpaulin, the folding assembly comprises two groups of folding frameworks and supporting connecting rods, and each folding framework is provided with a front end, a connecting part and a tail end. The folding framework comprises a first connecting rod, a second connecting rod and a third connecting rod, the front end of the folding framework is hinged through the first connecting rod and the second connecting rod, the connecting parts of the folding framework are hinged through the second connecting rod, the tail end of the folding framework is hinged through the third connecting rod and the second connecting rod, and the extension assembly is installed on the folding framework. The canopy can be unfolded and completely folded through cooperation of the two sets of folding frameworks of the folding assembly and the installation assembly, meanwhile, the folding assembly and the extension assembly are reasonable in design, the extension assembly can be synchronously unfolded when the folding assembly is unfolded, the rain shielding area of the canopy is effectively increased, and the canopy can be conveniently folded. The extension assembly is folded synchronously when the folding assembly is folded.

The invention discloses a carton lower sealing device which comprises a lower sealing mechanism, the lower sealing mechanism comprises a push block, a second lower push rod, a lower guide plate and an ejector block, the push block is obliquely arranged on a rack, and the push block is used for pushing a lower front plate of a packaging carton to rotate towards the center; the second lower push rod and the lower guide plate are matched with each other to extrude two lower side plates of the packaging paper box towards the center, the ejector block can upwards abut against a lower rear plate of the packaging paper box and fix the lower rear plate so as to achieve folding and sealing of a lower end opening of the packaging paper box, and compared with folding and sealing of an existing packaging paper box, the device is simple in structure, ingenious in design and high in practicability. The packaging carton folding and sealing device can be suitable for folding and sealing of lower ports of various packaging cartons, the folding quality of the packaging cartons is guaranteed, the folding and packaging efficiency of the packaging cartons is improved, and the production requirements of enterprises are met.

The utility model discloses anti-pinch folding bearing furniture, which comprises a bearing panel and two X-shaped supports symmetrically arranged on two sides of the bearing panel, each X-shaped support comprises a front leg and a rear leg which are rotatably hinged, the upper end of each rear leg is hinged with the bottom surface of the bearing panel, and the lower end of each rear leg is hinged with the bottom surface of the bearing panel. The upper ends of the two front legs are connected to the left side face and the right side face of the bearing panel in a sliding mode and slide forwards and backwards along the left side face and the right side face of the bearing panel, and the upper ends of the two front legs extend upwards and are connected to form a handle. The handle and the front end of the bearing panel are grasped, then the handle is moved in the direction close to the front end of the bearing panel, the upper ends of the front legs slide forwards along the sliding guide rails, folding of the folding type bearing furniture is achieved, and hands do not need to be placed on the portion, below the bearing panel, of the X-shaped support during folding. Therefore, the problem that the hands are clamped in the process that the included angle between the front leg and the rear leg is reduced is solved, and high safety and good use feeling are achieved.

The present invention discloses a stacking device and method for an automated stereoscopic warehouse, comprising: a main console, a mounting mechanism, a storage rack, an external auxiliary mechanism, a discharger, a discharge conveyor belt, a transfer conveyor belt, a diversion conveyor belt, a columnar stacking mechanical arm and a pallet placement machine; the mounting mechanism is arranged on the outside of the main console; the external auxiliary mechanism is placed inside the storage rack; and two columnar stacking mechanical arms are respectively arranged on the front and rear sides of the unloading position of the diversion conveyor belt. The stacking device and method for an automated stereoscopic warehouse optimizes the existing columnar clamping stacking mechanical arm, introduces an external auxiliary modular clamping device for rapid replacement and combination, and can simultaneously carry goods of different specifications and quantities in one operation, so that the existing columnar clamping stacking mechanical arm has improved adjustability, adaptability and flexibility, thereby maximizing the handling quantity and efficiency.

The utility model relates to the technical field of locking devices, and discloses a box-type transformer station locking device and a box body for a box-type transformer station, comprising a transformer station box body, the front side wall surface of the transformer station box body is provided with an installation connecting groove, an installation frame is fixedly installed in the installation connecting groove, and the installation frame is shaped like a Chinese character'hui '. A rotatable box door assembly is hinged to the interior of the mounting frame, the box door assembly comprises two sets of protective doors, the positions, close to each other, of the rear side wall faces of the two sets of protective doors are connected through hinges, and a positioning clamping groove capable of limiting is formed in the top wall face of the mounting frame. When the protective door is folded, the positioning clamping rod can move downwards through the position adjusting mechanism until the positioning clamping rod is separated from the leftmost positioning clamping groove, then the two protective door bodies are folded together, and finally the positioning clamping rod moves upwards through the position adjusting mechanism until the positioning clamping rod is connected with the rightmost positioning clamping groove. The two sets of protective doors are folded together, and the stability of the protective doors in the opening state is improved.

The invention discloses a twin and shopping dual-purpose trailer which comprises a frame, swing protection frames, a push-pull rod and a moving assembly, a plurality of sets of swing protection frames are arranged above the frame and surround the top of the frame, each set of swing protection frame is rotationally connected with the frame, and the adjacent swing protection frames are spliced through a splicing structure; two moving assemblies are arranged at the bottom of the frame and mounted on the two sides of the frame, each moving assembly is rotationally connected with the frame, and first locking assemblies are arranged between the moving assemblies and the frame; a push-pull rod is mounted at the rear end of the frame through a large joint; the swing protection frame, the push-pull rod and the moving assembly of the trailer can be folded, so that the occupied space is reduced, and the trailer is convenient to carry.

The utility model relates to a folding trolley which realizes folding and unfolding of a trolley frame by utilizing foldable side connecting rod assemblies, a front connecting rod assembly, a rear connecting rod assembly and a folding chassis. The overall length of the telescopic supporting rod is changed through an outer pipe and an inner column which are connected in a sliding mode, and the telescopic supporting rod is associated with at least one of the side connecting rod assemblies, the front connecting rod assembly and the rear connecting rod assembly through a bottom connecting part, so that the frame has the first state that when the corresponding connecting rod assemblies are unfolded, the bottom connecting part drives the inner column to ascend under the action of corresponding connecting rods; in the second state, when the corresponding connecting rod assemblies are folded, the bottom connecting parts drive the inner columns to descend under the action of the corresponding connecting rods, the folding trolley integrates the large inner space in the unfolded state and the small storage space in the folded state, the structure is simple, and user operation is convenient.

The invention provides a rigid foldable spiral structure with a single degree of freedom, which comprises a planar quadrilateral basic unit and a planar triangular basic unit, common edges with the same length and single rotational degree of freedom are shared between the adjacent planar triangular basic units, between the planar quadrilateral basic units and between the planar triangular basic units and the planar quadrilateral basic units, so that the planar triangular basic units and / or the planar quadrilateral basic units are mutually folded or unfolded. The plane triangular basic units and the plane quadrilateral basic units are combined, folding and unfolding based on the given plane single freedom degree are achieved, the shapes and sizes of the basic units can be designed according to actual requirements, and therefore different applicable appearance contours can be formed; the problems that a spiral folding mechanism with a bent axis cannot be folded and unfolded based on a given plane, and the application field expansion is limited are solved.

The utility model discloses a foldable unmanned aerial vehicle which comprises a vehicle body. The wings are separately connected to the fuselage and are rotationally arranged relative to the fuselage, so that folding or unfolding relative to the fuselage can be realized; the two pairs of arms are respectively connected to the wings, and each arm is rotationally arranged relative to the corresponding wing so as to realize folding or unfolding relative to the corresponding wing; and the pair of empennages are respectively connected to the two arms on the rear side. According to the foldable unmanned aerial vehicle, the foldable vehicle arms and the foldable wings are arranged, so that the small-size storage mode of the unmanned aerial vehicle is achieved, and the unmanned aerial vehicle is convenient to carry when going out.

The utility model discloses a magnetic type foldable fire receiving bucket which comprises a frame body, an opening is formed in the top of the frame body, the frame body comprises a first plate body, a second plate body and a third plate body, the first plate body is located at the bottom of the frame body, the two first plate bodies are connected in a rotating mode, and the two first plate bodies are horizontally spliced. The two second plate bodies are located on the left side and the right side of the frame body respectively, the second plate bodies are rotationally connected with the first plate body, and the second plate bodies are perpendicularly arranged on the first plate body; the four third plate bodies are located on the front side and the rear side of the frame body respectively, the third plate bodies are detachably arranged on the second plate body and the first plate body, the two third plate bodies on the same second plate body are symmetrically arranged, and the two third plate bodies on the same side are spliced with each other when the second plate bodies are unfolded; the plate body III is provided with a magnet, the magnet is used for being adsorbed on a steel beam and a bracket, the fire welding bucket can be firmly arranged below the welding position of the bracket and the steel beam in a magnetic attraction mode, the influence of wind is small, high-temperature welding slag can fall into the fire welding bucket, and potential safety hazards are eliminated; and the fire welding bucket can be folded, so that the storage area of the fire welding bucket on a construction site is reduced.

The utility model discloses a multifunctional exercise bicycle, including host computer subassembly and base subassembly, and base subassembly includes the chassis, guide rail frame and adjusting support, and one end of guide rail frame is pivoted with the chassis, and the other end height -adjustably sets up on adjusting support, and guide rail frame is equipped with height adjusting assembly on adjusting support, and the folding assembly is arranged between chassis and host computer subassembly, and one end of folding assembly is pivoted with the chassis, and the other end is pivotted with host computer subassembly. The utility model discloses through height adjusting assembly can be free switching between horizontal state and different inclination state, can provide horizontal riding function for user, can provide climbing riding function again, so as to be convenient for letting user can select different riding mode at any time, satisfies the diversified fitness demand, and simultaneously still through folding assembly, it can realize the folding of guide rail frame when not using, greatly reduces the floor area of the utility model, improves the space utilization.