40results about How to "Act as a fixed limit" patented technology

The invention discloses a facial mask automatic separating and taking device and a full-automatic facial mask folding and packaging machine. The facial mask automatic separating and taking device comprises a machine table, a material lifting module, a separating module and a controller, wherein the material lifting module, the separating module and the controller are arranged on the machine table. The separating module comprises a transferring mechanism fixedly arranged on the machine table and a separating mechanism slidably arranged on the transferring mechanism, the material lifting module comprises a limiting mechanism fixedly arranged on the machine table and a material lifting mechanism which is arranged corresponding to the limiting mechanism, and the material lifting mechanism is used for containing materials; and the limiting mechanism is used for fixing the materials of the material lifting mechanism, the transferring mechanism, the separating mechanism and the material lifting mechanism are all electrically connected with the controller, and the transferring mechanism drives the separating mechanism to move, so that the separating mechanism separates the materials of the material lifting mechanism. The facial mask automatic separating and taking device aims to improve the production efficiency of the full-automatic facial mask folding and packaging machine applying the facial mask automatic separating and taking device, and the labor cost is saved.

The invention discloses a self-adaptive buckling-preventing support which comprises a sealing cylinder cavity. The top face of the sealing cylinder cavity is open. An upper sealing end cylinder is installed on the top face. A hole matched with a piston rod in radial size is formed in the center of the upper sealing end cylinder. The piston rod penetrates through the center hole of the upper sealing end cylinder and is partially installed in the sealing cylinder cavity. An energy consumption partition plate is installed on the piston rod. The energy consumption partition plate is transversely arranged on the piston rod in a sleeving manner, and moves in the sealing cylinder cavity along with moving of the piston rod. The sealing cylinder cavity is filled with damping liquid. Springs are further installed in the sealing cylinder cavity. The self-adaptive buckling-preventing support has the beneficial effects that the energy consumption partition plate can move along with the piston, an upper oil storing box cylinder, a lower oil storing box limiting cylinder and the energy consumption partition plate arranged internally have shearing and extruding effects on the damping liquid, the first-level spring and the second-level spring deform in an extruding manner to generate restoring force, after external force disappears, the piston rod is driven to carry out self restoring, and selfperformance can be adjusted automatically according to the change of the affected external excitation effect.

The invention relates to a yarn winding forming machine comprising a ground vertical frame, winding devices and cutting-off devices. The winding devices are installed on the front end face of the ground vertical frame from left to right at equal intervals. The cutting devices are installed at the lower end of the front end face of the ground vertical frame from left to right at equal intervals. The cutting devices are located on the right side of the winding devices. The yarn winding forming machine and method adopt the design concept of an adjustable type multi-station structure to conduct winding formation on yarn, the mechanical integrated work structure is adopted, so that the labor intensity of workers is lightened, and the work process is simplified; and meanwhile, a structure havingthe clearing function is arranged to conduct hairiness removal treatment and the like on the yarn, and therefore the use quality of the yarn is improved.

The invention belongs to the technical field of wood-plastic plates, and particularly discloses a container wood-plastic bottom plate and a preparation method thereof. The container wood-plastic bottom plate comprises a core layer and a skin layer wrapping the core layer, a reinforcing layer is arranged between the core layer and the skin layer; the core layer and the skin layer are wood-plastic plates, the core layer is doped with short fibers; the reinforcing layer has a net-shaped structure and is made of glass fibers or metal, and the core layer, the skin layer and the reinforcing layer are integrally formed by adopting a co-extrusion process. By adding short fibers into the wood-plastic material of the core layer and arranging the reinforcing layer, the strength of the wood-plastic plate is remarkably improved, and the strength requirement of a container bottom plate is met. The skin layer wraps and protects the core layer and the reinforcing layer, the service life of the bottomplate is prolonged; the reinforcing layer is designed into a net-shaped structure, and a co-extrusion process is adopted, so that the bonding firmness between layers is greatly improved.

The invention provides a flatbed car for segment prefabrication factory, which includes segment and reinforcement frame, and the clamping support frame is formed by welding combination of four vertical splints and horizontal connecting plates connected in the middle of the four vertical splints, and four vertical splints The middle of the outer end surface of the splint is welded and supported with a support slant plate; the bottoms of the four vertical splints of the clamping support frame are connected and fixed with a sliding sleeve, and the four support slant plates are also welded and fixedly connected with the four sliding sleeves. And then the clamping support frame is supported and welded on the tops of the four sliding sleeves. In the setting of the support pallet in the present invention, the outer end faces of the two support pallets are arranged obliquely to support multiple support reinforcement plates, and the other ends of all support reinforcement plates are welded and fixed to the base plate, and the multiple support reinforcement plates can Increase the support strength of the support plate to avoid its oblique deformation caused by extrusion of the segment.

The invention discloses a multi-dimensional curved limiting device for electric wire and cable maintenance. The multi-dimensional curved limiting device comprises a limiting base, a twisting curved variable-diameter clamping limiting mechanism, a wrapping type expansion positioning transverse limiting device, a pre-type pull-down covering type protection mechanism and a self-service type medium pressure swing adsorption limiting device. The invention belongs to the field of electric power engineering, and particularly relates to a multi-dimensional curved limiting device for wire and cable maintenance. The curved surface principle, the dynamic principle and the nesting principle are applied to the technical field of electric power engineering, and the circumferential diameter of the spring type dynamic curved stretching elastic sleeve rod is reduced while the position of the spring type dynamic curved stretching elastic sleeve rod is changed. According to the invention, the elastic shape of the spring-type dynamic curved stretching elastic sleeve rod is utilized to fix wires and cables in different directions on the axial annular surface taking the supporting shaft as the central shaft in the twisting curved variable-diameter clamping limiting mechanism, and meanwhile, the elastic shape of the spring-type dynamic curved stretching elastic sleeve rod is utilized to change the fixing tightness, so that the technical problem that the wires and cables are fixed but not completely fixed is solved.

The invention relates to the field of textile fabrics, in particular to a picnic mat fabric convenient to disassemble and wash. The picnic mat fabric can be fixed on a bottom surface and has a sunshade function, and the problem that an existing picnic mat is single in function is solved effectively. The picnic mat fabric convenient to disassemble and wash structurally comprises a picnic mat fabricmain body, wherein an arc-shaped cover body is arranged on the top of the upper surface of the picnic mat fabric main body; cloth sleeves are arranged at the upper end and the lower end of the arc-shaped cover body; rubber bars are separately inserted in the cloth sleeves; blind holes which are matched with the rubber bars are inlaid in the upper surface of the picnic mat fabric main body; a moisture-proof mat body is arranged on the bottom of the picnic mat fabric main body; and edges of the moisture-proof mat body are connected with edges of the picnic mat fabric main body through zippers;sleeves with lower openings are separately arranged at four corners of the bottom of the moisture-proof mat body; inserting bars are downwards arranged in the sleeves; and bolts which limit the inserting bars are arranged on side walls of the sleeves. The picnic mat fabric convenient to disassemble and wash is simple in structure and convenient to use, and is suitable for multiple places.

The invention discloses a bridge pier erosion and deposition safety monitoring system, and belongs to the field of bridge pier monitoring. The bridge pier erosion and deposition safety monitoring system is characterized in that through arrangement of a scattered point detection net, along with the more and more sediment deposition amount, the pressure borne by light sensing ball points at the bottom is gradually increased, the density of the light sensing ball points is gradually reduced. the density of the generated light spots becomes smaller and smaller, and the thickness of sediment deposition becomes larger and larger, so that the situation of sediment erosion and deposition is visually and preliminarily judged according to the density of the light spots, the dependence on data is reduced, the situation of sediment deposition is effectively prevented from being judged under the condition of power failure, and potential safety hazards are reduced; and the effect of accurately judging the sediment thickness can be achieved according to the light receiving condition of the laser receiver, and each light sensing ball point is fixed to the bridge pier, so that the stability of the scattered point detection net is higher, the monitoring result is not prone to being affected, and the accuracy of the monitoring result is higher.

The invention provides an automatic anti-theft door production line, relates to the technical field of anti-theft door production, and solves the problem that when the anti-theft door production line is used, anti-theft doors on a line body are prone to deflection left and right, and workers need to manually adjust the positions of the anti-theft doors. An automatic anti-theft door production line comprises a fixed cross bar. The two sets of fixed cross bars are symmetrically arranged, the interiors of the fixed cross bars are of hollow structures, supporting legs are installed on the lower end faces of the fixed cross bars, the supporting legs are of inverted-T-shaped structures, two fixing holes are formed in the lower end faces of the supporting legs, and two sets of limiting plates are evenly installed on the upper end faces of the fixed cross bars. According to the anti-theft door, through the arrangement that the adjusting screw rod is in threaded connection with the limiting plate, the adjusting screw rod can drive the fixing plates to move forwards or backwards in the rotating process, the two fixing plates can be attached to the side plates at the two ends of the anti-theft door, the anti-theft door can be fixed and limited, and the phenomenon that the anti-theft door deflects leftwards and rightwards is avoided.

The invention relates to the technical field of mechanical arm protection structures, in particular to a mechanical arm protection structure based on teleoperation. According to the technical scheme, the mechanical arm comprises a mechanical arm base and a mechanical arm arranged at the top of the mechanical arm base, an arm rod of the mechanical arm is provided with a protection barrel, an inner protection plate is arranged in an inner cavity of the protection barrel, semicircular plates are arranged in clamping cavities in the two sides of the protection barrel and the inner protection plate, and arc-shaped protection plates are symmetrically arranged in an inner cavity of the inner protection plate; a spring B is arranged on the outer wall of the arc-shaped protection plate, a threading hole is formed in a plate body of the semicircular plate, a mounting groove is formed in an inner cavity of the plate body of the semicircular plate, fixed plates are arranged on the two sides of an inner cavity of the mounting groove, and movable plates are arranged in clamping cavities of the fixed plates. Damage caused by rigid contact when the mechanical arm collides with surrounding equipment is prevented through the protective barrel, a connecting line is fixed and limited through the threading hole and the movable plate, the situation that the connecting line is scattered is prevented, and the maintenance work difficulty of workers is reduced.

The invention relates to the field of zinc sulfide and discloses an extruding and pelletizing device of zinc sulfide. The device can be used for compacting wet zinc sulfide powder, and then the compacted zinc sulfide powder can be guided out in a rotating manner, so that the problem of relatively low manual completion efficiency of the original pelletizing of zinc sulfide is effectively solved. The device structurally comprises a first mould at the outer part, wherein the first mould is in a cuboid shape with an opening upwards as a whole; a second mould is arranged inside the first mould; thesecond mould is in a cylindrical shape with an opening upwards as a whole and is formed by splicing eudipleural connecting parts; each of the connecting parts is in a semi-cylindrical shape; the outer surfaces of the bottoms of the connecting parts are in contact with the inner bottom surface of the first mould; first fixed blocks are arranged on the outer surfaces of the front end part and the rear end part of each of the connecting parts respectively; a lying T-shaped sliding block is fixedly arranged on the outer surface of each of the first fixed blocks; and sliding chutes matched with each of the T-shaped sliding block are embedded in the inner surfaces of the front side wall and the rear side wall of the first mould. The device is simple in operation and convenient in use and is suitable for various places.

The invention discloses a high temperature resistant cable for electrical appliance control, include a protective layer, A heat dissipation plate and a cable body, wherein the inside of the protectivelayer is provided with a fire-proof heat insulation layer, the inside of the fire-proof heat insulation layer is provided with a shielding layer, the inside of the shielding layer is provided with aninsulation layer, the inside of the insulation layer is provided with a traction layer, a heat dissipation plate is arranged at the center of the inside of the traction layer, a heat dissipation arcis arranged at the left and right ends of the heat dissipation plate, and a first spring is arranged at the middle part of the upper end of the heat dissipation plate. In accordance with that presentinvention, The cable passes through the protective layer, fire insulation layer, shielding layer, insulation layer and traction layer, The heat dissipation protection block transfers heat to the heatdissipation plate, and the heat dissipation plate transfers heat to the heat dissipation arc at both ends, which is advantageous to the heat dissipation of the cable, so that the cable can work normally and stably under the high temperature, and the signal or electric energy transmission performance is not affected, so that the cable has a longer service life.

The invention provides a crimp type connector which comprises cylindrical connector body, a crimp matched body and an elastic clamping ring. The connector body is connected with the crimp matched body through a clamping structure in a clamped mode, and the connector body and the crimp matched body are fixed through the elastic clamping ring. The crimp matched body and the connector body are limited through the elastic clamping ring, only the elastic clamping ring needs to be replaced during maintenance, and the crimp type connector is very convenient to use, long in service life, short in machining cycle and low in cost.

The invention discloses a brick grinding wheel machine for construction sites, which includes a walking device and a grinding wheel machine device; four corners of the lower end surface of the base are respectively provided with hydraulic cylinders, and the hydraulic cylinders are connected to the base through telescopic rods; The foot is fixed under the hydraulic cylinder; the support brick frame is fixed on the left side of the upper end surface of the base, and the support brick support is connected with the support brick bottom plate; the support brick bottom plate is provided with a chute, and the notch of the chute To become parallel or perpendicular to the grinding wheel, the chute is slidingly matched with the slide rail on the side plate of the supporting brick, and the side plate of the supporting brick is inlaid with steps, and the steps are fixed with the bottom plate of the supporting brick through fastening bolts; the present invention solves the problem of the prior art The problems existing in the operation of breaking bricks can be very convenient to cut off the bricks with broken grooves to obtain broken bricks with relatively neat fractures, thereby reducing the time for grinding the broken bricks again and improving the construction of the entire building. efficiency and avoid material waste.

The invention discloses a novel smartwatch capable of changing a dial plate appearance based on watch ring rotation. The novel smartwatch structurally comprises a watchband and a smart dial plate, wherein the watchband and the smart dial plate are locked; the watchband is composed of a watchband body and a watch buckle, wherein the watchband body and the watch buckle are in glued connection; and the smart dial plate is composed of a smart ring plate and a central dial plate body, wherein the smart ring plate and the central dial plate body are buckled, and the smart ring plate comprises a smart watch ring and a rise control device. According to the novel smartwatch, movement of a running rail rack is realized by rotating a decorative ring to start a controller, an auxiliary lifting branchring is driven to move up during the movement of the running rail rack, increase of the height of a rise control frame and a central lifting structure is realized, and then increase of the height of the smart dial plate is realized; and it is convenient for a user not to take off the novel smartwatch in use, a simplified style is realized, the function of changing the figure of the dial plate is achieved, the user can wear the novel smartwatch for a long time and can switch the height of the dial plate at will, and the novel smartwatch is convenient to use on multiple occasions and can be matched with multiple styles of clothing.

The invention relates to the field of medical equipment disinfection, in particular to an equipment disinfection device for the hospital nursing department. The equipment disinfection device comprises a disinfection box, wherein the middle of the disinfection box is detachably connected with a heat insulation chassis; the outer surface of the upper end of the disinfection box is detachably connected with a disinfector; the outer surface of one side of the disinfection box is detachably connected with a water discharging opening; the outer surface of the lower end of the disinfection box is fixedly connected with a moving frame; the outer surface of the back end of the disinfection box is detachably connected with a disinfection water tank; and the outer surface of the front end of the disinfection box is fixedly connected with a slide groove. Through the arrangement, the application range of the equipment is expanded; the use limitation of the disinfection box is reduced; through the arrangement, the steam disinfection on nursing appliances is facilitated; bacteria on the nursing appliances are killed through high-temperature steam; through the arrangement, the secondary double sterilization and disinfection can be conveniently performed on the nursing appliances; the disinfection effect is obvious; the subsequent use is facilitated; through the arrangement, cleaning and disinfection on the nursing appliances are facilitated; the disinfection is comprehensive; and the disinfection effect is better.