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Climbing ladder for vehicle
The utility model discloses a vehicle top climbing ladder, which comprises an upper ladder, a lower ladder, a U-shaped upper mounting bracket and a U-shaped lower mounting bracket, the bottoms of side plates of the upper ladder are rotatably connected with the upper parts of side plates of the lower ladder, two side arms of the U-shaped upper mounting bracket are rotatably connected to the tops of the two side plates of the upper ladder, and lower ladder fixing lugs are arranged at the tops of the two side plates of the lower ladder. An overturning frame and two air springs symmetrically arranged on the outer side of the overturning frame are connected between the U-shaped lower mounting bracket and the lower ladder fixing lugs, the front ends of the two sides of the overturning frame are rotatably connected to the inner sides of the corresponding lower ladder fixing lugs, and the rear ends of the two sides of the overturning frame are rotatably connected to the inner sides of the two side arms of the U-shaped lower mounting bracket; the tail part of the air spring piston cylinder is rotatably connected to the outer side of the corresponding lower ladder fixing lug; and the head part of the air spring piston rod is rotatably connected to the outer side of the corresponding side arm of the U-shaped lower mounting bracket. The device has the advantages of good stability and safety, simple structure, convenience in use, easiness in mounting and manufacturing and the like.
Owner:SHANGHAI JINGXU FIRE FIGHTING EQUIPMENT CO LTD
A liquid-filled deep-drawing device for explosion-proof shielding tube
ActiveCN118616564Breduce tensiongood supportMetal-working feeding devicesShaping safety devicesHydraulic cylinderDeep drawing
The present invention discloses a liquid filling deep drawing forming device for an explosion-proof shielding tube, and the present invention relates to the technical field of shielding tube production, comprising a base, the top of the base is fixedly connected to a slide bar, the top of the slide bar is fixedly connected to a top plate, the top of the top plate is fixedly connected to a first hydraulic cylinder, the output end of the first hydraulic cylinder is fixedly connected to a punch die, and also comprises a hydraulic support mechanism, the inner side surface of the hydraulic support mechanism is fixedly installed at a position below the surface of the slide bar. The liquid filling deep drawing forming device for the explosion-proof shielding tube achieves a high-viscosity liquid with a large tension. Compared with a low-viscosity liquid, a high-viscosity liquid has a greater supporting force on a sheet material without causing a non-continuous contact surface of the sheet material. The punch die impacts downward, and the support of the high-viscosity liquid prevents the sheet material from wrinkling. The liquid guide component stores the squeezed high-viscosity liquid, and solves the problem that the squeezing of particles will make the surface of the shielding tube uneven.
Owner:JIANGSU QIANGLI ELECTRIC CO LTD
Display panel and display device
The present invention provides a display panel and a display device, wherein the display panel comprises an array substrate and a color film substrate arranged opposite to each other, and a liquid crystal layer located between the array substrate and the color film substrate; a plurality of first support columns arranged on one side of the array substrate and / or the color film substrate, the first support columns comprising a main support column and an auxiliary support column, and the height of the main support column is greater than the height of the auxiliary support column in the direction perpendicular to the plane where the display panel is located; and a plurality of electro-deformable components, wherein the electro-deformable components are arranged on one side of the array substrate and / or the color film substrate. The present invention can ensure that the display panel has good support when displaying a higher brightness picture, and reduce the phenomenon of uneven display such as light leakage caused by pressing due to sliding of the support components when displaying a lower brightness picture.
Owner:XIAMEN TIANMA MICRO ELECTRONICS
Warm air conditioner pipeline conveying and connecting device for architectural design
ActiveCN224093973UPlay a supporting and fixing roleGood supportPipe supportsPipeline systemsGear wheelCoupling
Owner:YANYI CONSTR GRP CO LTD
A solid ball throwing training testing device
ActiveCN224613144UEnsure physical safetyEffective pressure distribution
This utility model relates to the field of sports training equipment technology and discloses a shot put training and testing device, including a protective pad, an auxiliary mechanism, and a recovery component. The surface of the protective pad is marked with landing area scales, and the upper end of one side of the protective pad along its length is inclined. The auxiliary mechanism includes a protective component and an adjustment component. The protective component is used to protect the middle school student's waist, the adjustment component is used to adjust the height of the protective component, and the recovery component is used to retrieve the shot put after it has been thrown. This shot put training and testing device, by setting up a protective component, can conform to the contour of the middle school student's waist during back-raising posture training, providing stable and appropriate auxiliary support, effectively dispersing the enormous pressure on the waist during the back-raising process, avoiding muscle strain due to overstretching or uneven stress, and ensuring the student's physical safety during training.
Owner:方婧璐
Movable member and relay
PendingCN122267012AHigh mechanical strengthImprove insulation performanceElectromagnetic relay detailsStructural engineeringMechanical engineering
The application discloses a movable component and a relay. The movable component comprises a push rod, an insulating base, a plurality of contact supports, a plurality of active contact pieces and an insulating piece. The plurality of active contact pieces are respectively arranged in the plurality of contact supports. The push rod, the plurality of contact supports and the insulating piece are connected through the insulating base. The plurality of contact supports are arranged at intervals, and each contact support is in contact with the insulating piece.
Owner:XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD
High-altitude operation safety frame
ActiveCN222435808UEasy to store and placeGuaranteed stabilityScaffold accessoriesPhotovoltaic industryStructural engineering
The utility model relates to the technical field of the photovoltaic industry, in particular to a high-altitude operation safety frame which comprises a movable base, module frame bodies and a platform, and the movable base is connected with the platform through a plurality of module frame bodies. According to the utility model, the modular design is carried out on the operation safety frame, so that the connection of the module frame bodies on the safety frame can be combined and expanded according to specific requirements, and the overall height of the safety frame can be conveniently adjusted according to use conditions; meanwhile, through the design that clamping grooves are connected with clamping heads in a matched mode and the connecting positions are reinforced through second connecting plates, the structural stability can be kept while modular connection of the frame bodies is achieved, connection of the module frame bodies, the movable base and the platform can be detached, the module frame bodies can be folded, and the modular frame bodies are convenient to use. And therefore, the safety frame can be conveniently stored when not used, and the safety frame has good flexibility.
Owner:DING SHENG PHOTOVOLTAIC ENERGY CO LTD
Adjustable strap type labor-saving stretcher
The utility model discloses an adjustable strap type labor-saving stretcher which comprises a stretcher body, one end of a second vertical rod of the stretcher body is fixedly connected with a first solid column, the outer wall of the first solid column is connected with the inner wall of one end of a first hollow column, the other end of the first hollow column is fixedly connected with one end of a hollow rod, and the inner wall of the other end of the hollow rod is fixedly connected with the outer wall of a solid rod. The inner wall of the second hollow column is fixedly connected with the outer wall of a second solid column, the second solid column is fixedly connected with one end of a first vertical rod, a first insertion rod is fixedly inserted into the hollow inner wall of the other end of the first vertical rod, and the inner side of the first insertion rod is fixedly connected with a first transverse rod and a second transverse rod. The labor-saving stretcher is provided with the adjustable straps, two hands are free, and the rescue efficiency is high. The strap system is provided with a shoulder strap and a waist strap, so that it is ensured that the best comfort degree and support are provided in the carrying process, and the efficiency and safety of carrying the wounded person are improved. The adjustable clasp is easy to operate for rapid fixation and release.
Owner:CHINA THREE GORGES UNIV
A drill sleeve for a deep hole drill bit
The utility model provides a kind of drill bushing for deep hole drill, including drill bushing main part: two installation grooves are set in the inside of drill bushing main part, the inside wall of two installation grooves is fixedly connected with limit rod on one side, the outer surface of two limit rods is slidably connected with sliding frame, the side of two sliding frames is apart from each other and is equipped with a plurality of threaded holes.The utility model can adjust the position of drill bushing mounting seat by the cooperation of installation groove, limit rod, sliding frame, threaded hole and fixed assembly, so that the distance between drill bushing mounting seat and drill bushing main part changes, can adapt to drill bit of different length, improve the applicability and use range of drill bushing, and when using drill bit of different length, the adjusted drill bushing mounting seat can provide optimal support and stability, ensure the accurate positioning of drill bit in deep hole drilling process, greatly improve drilling accuracy.
Owner:YANGZHOU FEILING TOOLS CO LTD
A reclining chair with adjustable back height
The utility model discloses a kind of leisure chairs of adjustable chair back height, the utility model relates to chair technical field.The leisure chair of adjustable chair back height, comprising: chair seat and chair back, for supporting human body;Extension component, for lengthening the length of chair back;Headrest and lumbar pillow, respectively for supporting the neck and waist of user;First adjusting assembly and second adjusting assembly, headrest and lumbar pillow are slidably installed in the inner side of chair back by first adjusting assembly and second adjusting assembly respectively;By adjusting the height and length of chair back, and the position of headrest and lumbar pillow, user can be personalized according to own height and sitting posture habit adjustment, to obtain the best back, neck and waist support, reduce the discomfort and fatigue brought by long time sitting.
Owner:ANJI WANCHANG FURNITURE