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434results about How to "Quick lift" patented technology

Connecting equipment and cable for new energy automobile charging pile

The invention belongs to the technical field of charging pile cable connection, and particularly relates to connecting equipment and a cable for a new energy automobile charging pile, and the connecting equipment comprises an automatic separation joint and a winding mechanism which are arranged on the charging pile; the winding mechanism is installed on the charging pile through the clamping mechanism, the clamping mechanism is provided with a fixed base and an elastic base, the fixed base and the elastic base form a separation path facing the cable pull-out opening, and the winding mechanism is formed by splicing a first winding disc and a second winding disc; the winding mechanism comprises a first winding disc and a second winding disc, the first winding disc and the second winding disc are each provided with a sliding groove which surrounds the center shaft and is arranged in a radial shape, and sliding bases are slidably connected into the sliding grooves. Sufficient time is provided for rapid separation of the charging gun cable connector and the charging pile cable connector, the pulling force of the cable does not act on the charging pile, and the charging pile does not bear the acting force except the preset separation value.
Owner:HUNAN XIANGJIANG CABLE CO LTD

Spraying device for grassland ecological soil remediation

The invention discloses a spraying device for grassland ecological soil remediation in the technical field of ecological remediation. The spraying device comprises a vehicle body, a storage assembly is installed at the top end of the vehicle body, a lifting cavity is formed in the vehicle body, a lifting assembly is arranged in the lifting cavity, a supporting plate is fixedly connected to the bottom of the lifting assembly, and a plurality of spraying assemblies are linearly arrayed at the bottom of the supporting plate; a pump assembly is arranged in the vehicle body; the spraying assembly and the storage assembly are both communicated with the pump assembly; and each spraying assembly comprises a rotating hole column fixedly connected to the bottom of the supporting plate, a spraying ring is annularly arranged on the surface of each rotating hole column, a plurality of spraying openings communicating with the storage assembly are formed in the bottom of each spraying ring, and a plurality of injection assemblies are arranged in each rotating hole column. Through cooperative assistance of the lifting assembly, the spraying assembly and the injection assembly, when the grassland surface soil is hard, spraying remediation can be conducted on the grassland soil surface, meanwhile, injection of liquid medicine can be completed by going deep into the grassland soil, and the ecological remediation effect of the grassland soil is improved.
Owner:GANSU QILIANSHAN NAT NATURE RESERVE MANAGEMENT CENT (GIANT PANDA QILIANSHAN NAT PARK GANSU PROVINCIAL ADMINISTRATION ZHANGYE BRANCH)

Self-adaptive wrapping profiling extrusion deep-grain walnut shell breaking machine

The invention discloses a self-adaptive wrapping profiling extrusion deep-grain walnut shell breaking machine which comprises a shell, a feeding hopper, a rack, a positioning conveying device, a shell breaking device, a power device, a locking device, a material collecting groove and a discharging hopper. The rack comprises a pair of L-shaped supports and a frame installed between the L-shaped supports, and the sheet metal parts are fixed to the periphery of the frame to form a shell. The whole machine is compact in structure and small in occupied space, the quantity of walnuts fed into the positioning conveying device can be adjusted during shell breaking processing, matching of the feeding quantity and the output quantity is achieved, and the working efficiency of the machine is improved; the self-adaptive clamp can adapt to different types of walnuts with different appearance characteristics, so that self-adaptive profiling wrapping in a real sense is realized; the contour cam is matched with the self-adaptive clamp to work, the self-adaptive clamp can quickly complete or release self-locking according to the extrusion requirement, and the requirement for high-speed operation of a machine is met.
Owner:HUAZHONG AGRI UNIV +1

Active lift-augmentation tandem wing type ground effect aircraft

The invention relates to an active lift augmentation tandem wing type ground effect aircraft, and relates to the field of ground effect aircrafts. The defects that a stable take-off environment is needed, take-off time is long, and operation is complex are overcome. An active lift-increasing tandem wing type ground effect aircraft comprises a machine body, a cockpit is formed in the middle of the top of the machine body, connecting pieces symmetrically arranged in the direction of the machine body are fixedly installed on the front side and the rear side of the machine body correspondingly, and wing structures are fixedly connected to the connecting pieces on the front side and the connecting pieces on the rear side correspondingly; the inclination angle between the wing structures fixed to the connecting pieces on the front side of the aircraft body and the ground, the inclination angle between the wing structures fixed to the connecting pieces on the rear side of the aircraft body and the ground and the inclination angle between the wing structures fixed to the connecting pieces on the rear side of the aircraft body are larger than the inclination angle of the front-side wings. By means of the tandem wing type layout, the inclination angles of the paddles, the front wing structure and the rear wing structure relative to the ground are increased, and when the aircraft runs, the aircraft can obtain the maximum lift force compensation under the influence of the ground effect.
Owner:JIANGXI WENYU DIYI AIRCRAFT CO LTD

Bridge construction hoisting structure

The invention relates to the technical field of hoisting equipment, in particular to a bridge construction hoisting structure which comprises a hoisting table and a supporting seat, a hoisting rope is mounted on the hoisting table, connecting frames are rotationally connected to the left side and the right side of the hoisting table, and elastic clamping pieces are arranged on the connecting frames; the connecting frame and the lifting platform are jointly connected with a torsional spring, and a clamping groove is formed in the supporting seat; the left side and the right side of the supporting base are each provided with a material guiding base, the material guiding bases are connected with a material guiding plate through first elastic telescopic rods, and pressing rods are arranged on the material guiding plates. When a worker pushes a pipe to the supporting seat through the material guiding seat, the pipe presses the material guiding plate downwards, the material guiding plate pushes the elastic clamping piece to be separated from the clamping groove through the pressing rod, and the pipe can push the connecting frame to overturn upwards so that the pipe can move to the supporting seat from the left side and the right side of the supporting seat. And then the torsion spring drives the connecting frame to turn downwards and reset, so that the lifting platform is connected with the supporting seat again through the connecting frame. According to the pipe hoisting device, quick hoisting of pipes can be achieved, and the stability of the pipes in the hoisting process is guaranteed.
Owner:GUOGONG TIANKE (LUOYANG) INTELLIGENT EQUIP CO LTD

Cement product prefabricated part turnover device

The invention relates to the technical field of cement product overturning, and discloses a cement product prefabricated part overturning device which comprises a cement prefabricating mold and supporting frames located at the two ends of the cement prefabricating mold, supporting transverse rods are fixed to the upper portions of the supporting frames, and lifting assemblies are arranged on the supporting frames. A first servo hydraulic cylinder is fixed to the lifting assembly, a mounting plate is fixed to the end of the first servo hydraulic cylinder, a servo motor is fixed to the mounting plate, and a mechanical clamping jaw is fixed to a motor shaft of the servo motor. The two ends of the cement prefabricating mold are respectively provided with a C-shaped plate, and the two ends of the cement prefabricating mold are respectively fixedly provided with a first sliding bracket, so that the purpose that an opening of the cement prefabricating mold can be quickly reversed downwards can be achieved, the overturning efficiency can be greatly improved, the frequency of manual operation can be reduced, time and labor are saved, and convenience and rapidness are realized; and the operation safety is improved.
Owner:SHANDONG JIANCHENG CONCRETE CO LTD

Fixing device for computer block chain equipment and use method of fixing device

The invention relates to the technical field of computers. The invention discloses a fixing device for computer block chain equipment and a using method thereof.The fixing device comprises a mounting frame, the mounting frame is provided with a bearing assembly used for containing the equipment, the bearing assembly is provided with a limiting assembly, and a plurality of mounting holes are formed in one side of the limiting assembly; a plurality of recognition devices are arranged on one side in the bearing assembly at equal intervals, each recognition device is located on one side of one mounting hole, control assemblies are arranged at the side ends of the recognition devices, and each recognition device comprises a linkage assembly, a trigger assembly and a cleaning assembly. Through work of the bearing assembly and the recognition device, equipment fixation can be quickly relieved so that use can be facilitated, meanwhile, the connecting holes into which the connecting lines are not inserted are automatically cleaned before use, and convenience and practicability are greatly improved.
Owner:CHENGDU UNIV OF INFORMATION TECH

Sticky sampling device for cast-off cells

The invention discloses an exfoliated cell sticking and sampling device which comprises a sampler, the sampler comprises a shell, a conical tube and a storage tube, the conical tube is fixedly mounted at the bottom of the shell and communicated with the shell, the storage tube is fixedly mounted on the surface of the conical tube and communicated with the conical tube, and the storage tube is obliquely arranged. The invention aims to solve the technical problems that in the process of sampling cast-off cells by an existing cast-off cell sticking and sampling device, manual sticking is needed, so that the labor intensity of a user is high, the sticking efficiency is low, the situation that a sampling result cannot meet the requirement easily occurs, and a sticking structure is difficult to feed efficiently.
Owner:GUANGZHOU CRIMINAL SCIENCE & TECHNOLOGY RESEARCH INSTITUTE

Hoisting equipment for processing anti-cracking reinforced concrete culvert pipe

The invention relates to the technical field of culvert pipe hoisting equipment, in particular to anti-cracking reinforced concrete culvert pipe machining hoisting equipment which comprises a hoisting platform, the hoisting platform is provided with a cage body hoisting mechanism for rapidly transferring a culvert pipe reinforcement cage, and the cage body hoisting mechanism is provided with an anti-shaking deviation rectifying mechanism for keeping the stability of the reinforcement cage. An anti-corrosion soaking mechanism for soaking the reinforcement cage to improve the corrosion resistance is arranged on the hoisting platform, a cage body conveying mechanism is arranged on the side face of the hoisting platform, the anti-shaking deviation correcting mechanism comprises a fixed protruding block fixedly installed at the end of a steel wire sling, and a plurality of branch steel cables are arranged on the fixed protruding block in the circumferential direction in an array mode. According to the device, the anti-shaking deviation rectifying mechanism is arranged, and a limiting convex block and a telescopic round pipe are matched with each other, so that a steel wire sling can be continuously and effectively limited in the hoisting process, the culvert pipe reinforcement cage can be effectively prevented from greatly swinging due to inertia, and a worker does not need to carry out auxiliary limiting on the culvert pipe reinforcement cage below.
Owner:ANHUI HUACHANG NEW BUILDING MATERIALS CO LTD

Safety protection device of vertical shaft elevator

ActiveCN119306084Aquick liftSmooth decelerationElevatorsInjury causeFall protection
The invention relates to the technical field of vertical shaft hoists, and discloses a vertical shaft hoist safety protection device which comprises a hoist platform. The protection unit comprises a support installed on the elevator platform, and a stand column is installed on the support; the turnover mechanism is arranged on the stand column and makes contact with a steel rope of the elevator body, and the turnover mechanism carries out the lifting action on the steel rope; and the speed reducing mechanism is used for reducing the speed of the steel rope, so that the steel rope is prevented from being damaged during falling protection. Safety of the steel rope of the elevator body is guaranteed through the turnover mechanism and the speed reducing mechanism, the turnover mechanism rapidly lifts the steel rope when the steel rope tends to fall, rapid falling is avoided, system safety is guaranteed, meanwhile, the speed reducing mechanism can stably reduce the speed, disperse impact force and protect the physical structure of the steel rope, and safety of the elevator is guaranteed. The matching of the two effectively solves the technical problems that the brake device is damaged due to overload of the rope, and the rope loses restraint and slides down.
Owner:TEMA SPECK IND TECH (ANHUI) CO LTD

Conversion stator module, magnetic drive conveying line and magnetic drive conveying system

ActiveCN222539903UImprove shunt efficiencyavoid bumpingControl theoryMechanical engineering
The utility model discloses a conversion stator module, a magnetic drive conveying line and a magnetic drive conveying system. The conversion stator module comprises a shunt stator body, a plurality of first guide assemblies and a plurality of second guide assemblies. The shunting stator body is provided with a converging end, a first shunting end and a second shunting end; each first guiding assembly comprises a first guiding piece and a first driving piece used for driving the first guiding piece to ascend and descend, the first guiding pieces extend in the first direction and are used for guiding the mover module to move between the converging end and the first shunting end in the first direction, and the multiple first guiding assemblies are arranged in the first direction; each second guiding assembly comprises a second guiding piece and a second driving piece used for driving the second guiding piece to ascend and descend, the second guiding pieces extend in the second direction and are used for guiding the mover module to move between the converging end and the second shunting end in the second direction, and the multiple second guiding assemblies are arranged in the second direction. The conveying efficiency of the magnetic drive conveying system can be improved.
Owner:SHANGHAI GOLYTEC AUTOMATION CO LTD

Turnover frame for hoisting turnover equipment

The utility model provides a roll-over stand for hoisting roll-over equipment, which comprises a main support and a hanger support, the main support is provided with a first end and a second end, the first end is hinged with the front end of a base frame, and the second end is hinged with the hanger support; the overturning frame has a first posture, a second posture and a third posture, when the overturning frame is in the first posture, the main support is vertically arranged, the hanging bracket support is perpendicular to the main support and extends towards the side away from the base frame, and the overturning frame is in a hoisting state; the overturning frame overturns towards the base frame, so that when the main support is horizontally arranged, the overturning frame is converted into a second posture; and when the hanging bracket support is folded to be parallel to the main bracket and extends towards one side far away from the main bracket, the turnover frame is switched to a third posture. According to the utility model, the switching of three postures of the turnover frame is matched with the base frame, the hanging bracket and the turnover driving piece, so that the lifting, fixed turnover and avoidance of the vertically arranged main crane are realized, and the hoisting, installation and fixation of the tower crane are quickly completed.
Owner:SHANGHAI GOLOLI TECH CO LTD

Corrosion-resistant and wear-resistant silica gel roller way

The utility model discloses an anti-corrosion and anti-wear silica gel roller way, which relates to the technical field of roller ways and comprises a plurality of rollers and a support, the plurality of rollers are arranged in the support, support shafts are fixedly arranged at two ends of each roller and are movably arranged in the support through bearings, and the support shafts are arranged on the support through bearings. The outer side of the roller is sleeved with a silicon rubber sleeve. The silica gel sleeve is arranged on the outer side of the roller, the friction force between the roller and a steel plate can be guaranteed through the silica gel sleeve, so that the conveying effect of the roller on the steel plate is guaranteed, the supporting blocks are arranged on the outer side of the roller, and when the silica gel sleeve is seriously abraded, the position of the supporting blocks can be adjusted to relieve limiting on the silica gel sleeve. Meanwhile, the position of the silica gel sleeve can be adjusted according to the abrasion condition of the silica gel sleeve, so that the abrasion-resistant effect of the silica gel sleeve is improved, and the service life of the silica gel sleeve is prolonged.
Owner:JIANGYIN YIYING MASCH MFG CO LTD

Automatic hoisting method for large-diameter shield segment

The invention relates to the technical field of shield segments, and discloses an automatic hoisting method for a large-diameter shield segment, which comprises the following steps: moving a turnover mechanism to one side of a transport vehicle and clamping the turnover mechanism with the transport vehicle; the overturning plate in the horizontal posture extends into a gap between the outer cambered surface of the shield segment and the carrying plate, and extends into a hole in the outer cambered surface through a second hydraulic telescopic rod, so that limiting connection between the overturning plate and the shield segment is formed; the crank driving mechanism drives the crank to rotate so as to drive the overturning plate and the shield segment to rotate to a vertical posture; after the shield segment is received through the support, connection between the shield segment and the turnover mechanism is removed; and finally, the shield segment is hoisted through the hoisting mechanism. The device has the advantages that the automation degree and the working efficiency in the whole overturning process are high; and the hoisting mechanism can realize quick connection and hoisting through holes in the outer cambered surface and the top end surface of the shield segment.
Owner:CHINA RAILWAY 15TH BUREAU GROUP CORPORATION LIMITED +2

Lifting appliance for lifting prefabricated square block

The utility model relates to a lifting appliance for lifting a prefabricated square block, which belongs to the technical field of lifting appliances and comprises a lifting rod, a connecting rod, a rotating block and an adjusting piece, wherein at least one lifting rod is arranged, the top of the lifting rod is used for being connected with a first lifting hook, and the lower portion of the lifting rod is used for stretching into a lifting hole in a prefabricated square block to lift the prefabricated square block; the connecting rods are mounted between the adjacent suspenders and used for connecting the suspenders; a through hole is formed in the lower portion of the suspender, and the rotating block is installed in the through hole and rotatably connected with the suspender. The rotating block has an opening state and a folding state; the suspender is hollow, and the adjusting piece is arranged in the suspender, connected with the rotating block and used for adjusting the state of the rotating block. According to the lifting appliance for lifting the prefabricated square block, through the arrangement of the rotating block and the adjusting piece, it can be ensured that the prefabricated square block can be lifted more rapidly, operation such as lifting, positioning and mounting of the prefabricated square block can be completed rapidly, and the lifting efficiency of the prefabricated square block is greatly improved.
Owner:NO 2 ENG CO LTD OF CCCC FIRST HARBOR ENG +1

Ceramic sheet and preparation method thereof

PendingCN119569466Aslow down aggregationImprove toughnessCeramic compositePtru catalyst
The invention discloses a ceramic sheet and a preparation method thereof, and belongs to the technical field of ceramic composite materials. The method comprises the following steps: injecting preparation raw materials into a mold, curing, demolding, drying, discharging glue and sintering, the preparation raw materials comprise a slurry raw material, an initiator and a catalyst; the slurry raw material comprises a powder raw material and a premixed solution; the powder raw material comprises ceramic powder and a sintering aid; the premixed liquid comprises an organic monomer, a cross-linking agent and the like. The mass of the powder raw material is 60-77% of that of the slurry raw material; the mass of the organic monomer is 14-25% of that of the premixed solution, and the mass ratio of the organic monomer to the cross-linking agent is 20: 1-70: 1. By adopting the preparation raw materials with the specific composition and proportion, the polymerization speed of the monomer and the cross-linking agent can be slowed down, the toughness of a cured wet blank can be improved, the ceramic sheet with relatively high bending strength, fracture toughness and hardness can be obtained, in addition, the method can realize rapid lifting and pulling of an upper mold, the demolding and forming efficiency can be improved, and the production cost can be reduced.
Owner:SOLOMON (CHANGZHOU) ALLOY NEW MATERIAL CO LTD +1

Industrial robot convenient to disassemble and assemble

The invention relates to the technical field of industrial robots, and discloses an industrial robot convenient to disassemble and assemble, the industrial robot comprises a mechanical arm, a clamping jaw and a hydraulic pipe, the clamping jaw is arranged at the top of the mechanical arm, the hydraulic pipe communicates with the outer wall of the clamping jaw, and a rapid disassembly and assembly assembly convenient to disassemble and assemble is arranged at the top of the clamping jaw. The top of the mechanical arm is provided with a positioning assembly used for being matched with the rapid dismounting and mounting assembly to fix the clamping jaw, the outer side of the hydraulic pipe is provided with a sealing detection assembly used for detecting the sealing performance, and through the arrangement of the positioning assembly and the rapid dismounting and mounting assembly, the purpose of rapidly dismounting the clamping jaw at the top of the mechanical arm is achieved; meanwhile, by means of the quick dismounting mode, a worker can quickly replace different types of clamping jaws according to different work tasks, the connection design of the tops of the clamping jaws and the fixing blocks is reasonable, it is ensured that the clamping jaws are stable and reliable in the replacement process, firm fixing of the clamping jaws is achieved, and the working efficiency is improved. And the risk that the clamping jaws are loosened or fall off in the working process is reduced.
Owner:HUNAN BIOLOGICAL & ELECTROMECHANICAL POLYTECHNIC +1

Film covering mechanism of film covering rice transplanter capable of adaptively adjusting rice transplanting depth

The invention discloses a film-mulching rice transplanter film-mulching mechanism capable of adaptively adjusting rice transplanting depth, which comprises a rice transplanter body, a film hanging mechanism for hanging a film is arranged below a rice transplanter cross beam behind the rice transplanter body, the film hanging mechanism comprises a film hanging frame with adjustable terrain clearance, and a film pressing mechanism is arranged behind the film hanging frame. According to the film pressing mechanism, a floating rod is installed at the bottom of a fixing beam behind a transplanter cross beam through an installation mechanism, the floating rod is connected with a bottom plate through a film pressing roller support, the front end of the bottom plate is movably connected with a film pressing roller through a connecting frame, and the middle of the bottom plate is connected with a hydraulic system switch of a hydraulic profiling system on the transplanter body through a pull rope assembly. The film mulching and pressing device is reasonable in structural design, the film mulching and pressing effects during film mulching and transplanting operation can be well completed, the film mulching and pressing device can replace a floating plate to be connected with a hydraulic profiling system of a rice transplanter, the device has the function of adaptively adjusting the transplanting depth, manpower and working time are reduced, and the efficiency of film mulching and transplanting operation is improved.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Downhole equipment hoisting system and method

The invention provides an underground equipment hoisting system and method. The underground equipment hoisting system comprises a translation track arranged at the opening of a well pit, a hoisting frame installed on the translation track, a hoisting mechanism installed on the hoisting frame and a hoisting bracket located in the well pit, and the hoisting frame comprises a steel truss and a steel hoisting beam fixedly erected at the top of the steel truss. The steel truss is in sliding connection with the translation track through pulleys at the bottom, and a horizontal thrust oil cylinder is arranged on one side of the steel truss; the hoisting mechanism comprises at least two groups of steel strand hoisting ropes and hydraulic lifting mechanisms, and the hydraulic lifting mechanisms are symmetrically arranged on the steel hoisting beam, are respectively connected with the hoisting bracket through the steel strand hoisting ropes and are used for hoisting underground construction equipment arranged on the hoisting bracket. The underground large equipment can be rapidly hoisted and transferred, the problems that traditional hoisting and transferring are long in time consumption and low in work efficiency are solved, and the square truss is simple and stable in structure and suitable for hoisting of various underground large equipment.
Owner:WUHAN SURVEYING GEOTECHN RES INST OF MCC

End socket type workpiece and heat treatment method and special auxiliary tool thereof

The invention relates to an end socket type workpiece and a heat treatment method and a special auxiliary tool thereof, and belongs to the field of metal workpiece heat treatment. The heat treatment method of the end socket type workpiece comprises the following steps: charging the end socket type workpiece with a downward opening; then heating to 800-1060 DEG C, and keeping the temperature for 1-5 hours; then cooling is carried out, the end socket type workpiece is hoisted through a special auxiliary tool, water cooling is carried out to 550-700 DEG C, and then oil cooling is carried out to 80 DEG C or below; the cooled end socket type workpiece is tempered, the tempering temperature ranges from 300 DEG C to 600 DEG C, heat preservation is conducted for 1-10 h, and air cooling is conducted to the room temperature; the special assistive device comprises an exhaust pipe, an air inlet of the exhaust pipe is located in the highest position of the inner circumferential face of the end socket type workpiece, and an air outlet of the exhaust pipe is communicated with the atmosphere. By the adoption of the heat treatment method, it can be guaranteed that the structure of the end socket type workpiece is uniform, the mechanical property is improved, the special assistive device does not participate in the heating and cooling process, the structure uniformity of the workpiece is not affected, and energy is saved.
Owner:TIANJIN HEAVY EQUIP ENG RES +1

Combined PTC heater

The utility model discloses a combined PTC heater, and particularly relates to the field of PTC heaters, comprising at least two PTC heaters, one end of each PTC heater is fixedly connected with a fixed disc, the fixed disc is rotatably connected with a rotating disc in a damping manner, the end face of the rotating disc is fixedly connected with a driven rod, the driven rod is internally provided with a slot, and the slot is connected with the rotating disc in a damping manner. A clamping groove communicated with the inserting groove is formed in the outer surface of the driven rod, a driving rod is fixedly connected to one end of the driven rod, the size of the driving rod is matched with the size of the inserting groove, a storage groove is formed in the outer surface of the driving rod, an elastic telescopic piece is arranged in the storage groove, and a clamping block is arranged on the elastic telescopic piece; the clamping block is used for movably clamping the clamping groove in the driven rod, and the driven rod is provided with a triggering structure used for pressing the clamping block. According to the utility model, the problem that the assembly complexity is increased while the disassembly and assembly efficiency is influenced because the assembly parts related to the assembly direction of the assembly do not have applicability when the PTC heater is actually assembled at present is solved.
Owner:SUZHOU RUIXINTONG ELECTRIC APPLIANCE CO LTD

Accurate positioning structure for laser etching process

The utility model relates to the technical field of accurate positioning, and discloses an accurate positioning structure for a laser etching process, a pipe cavity is arranged in a box body, a control pipeline is fixedly arranged from the bottom of the pipe cavity to the outside of the box body, the box body is connected with an external cylinder through the control pipeline, and the control pipeline is connected with the external cylinder. A suction cavity is formed in the position, located above the pipe cavity, in the box body, preliminary fixing of an object is achieved by arranging a control pipeline, the pipe cavity, the suction cavity and other structures, an external air cylinder is connected with the control pipeline, the object needing laser etching is placed on the surface of a groove, the external air cylinder is started, air in the pipe cavity and the suction cavity is extracted, and then laser etching is conducted. And negative pressure is generated in the column grooves and the flat grooves, the flat grooves and the through grooves firmly adsorb articles to the surfaces of the grooves, the positions of the articles are prevented from shifting, and the effect of preliminarily fixing the articles is achieved.
Owner:SHANGQIU SHUZHI TECH CO LTD

Auxiliary device for disassembling and assembling oil pump motor of wind turbine generator

The utility model relates to the technical field of motor disassembly and assembly auxiliary devices, and discloses a wind turbine generator oil pump motor disassembly and assembly auxiliary device which comprises a movable first bearing plate and further comprises a fixing unit used for fixing an oil pump motor, and two symmetrical first bearing columns are fixedly installed on the upper side face of the first bearing plate. Second bearing columns with one ends capable of being inserted into the upper ends of the first bearing columns are arranged above the first bearing columns, and a detachable second bearing plate is arranged between the two second bearing columns. The first bearing plate, the second bearing plate, the first bearing column, the second bearing column, the lifting arm, the third bearing column, the lifting belt hook, the fixing unit and the adjusting unit are arranged, and the position of the oil pump motor is adjusted through the movable first bearing plate, so that maintenance personnel can disassemble and assemble the oil pump motor conveniently; and meanwhile, a plurality of parts are detachable, so that maintenance personnel can conveniently carry the whole device.
Owner:大唐黑龙江新能源开发有限公司

Escape-preventing car stopping mechanism for toll station

ActiveCN222648633UPrevent fee evasionReduce the risk of fee evasionTraffic restrictionsWorking environmentControl theory
The utility model discloses an anti-escape car stopping mechanism for a toll station. The anti-escape car stopping mechanism comprises an installation supporting frame, a supporting plate and a jacking mechanism. Guide rails are fixedly connected to the left and right ends of the bottom wall of the mounting support frame, front-back symmetrical sliding support plates are slidably connected between the interiors of the guide rails, and auxiliary fixing frames are fixedly connected to the lower ends of the left and right side surfaces of the mounting support frame; the supporting plate is fixedly connected to the upper end of the inner wall of the mounting supporting frame, and avoiding openings which are evenly distributed are formed in the upper surface of the supporting plate; the jacking mechanism comprises supporting sliding cylinders, guiding sliding columns, a jacking plate and limiting columns, the upper surface of the sliding supporting plate is fixedly connected with the evenly-distributed supporting sliding cylinders, and the guiding sliding columns are slidably connected into the supporting sliding cylinders. And moreover, the device can adapt to vehicles with different lengths through distance adjustment and adapt to complex working environments.
Owner:江苏宁杭高速公路有限公司

Portable pole-mounted transformer rapid transporting and lifting device

The portable pole-mounted transformer rapid transporting and lifting device comprises a transfer trolley, a supporting table is arranged above the transfer trolley, a lifting support is arranged between the supporting table and the transfer trolley, a transformer is placed on the upper side of the supporting table, a vertical shaft is fixedly arranged on the left side of the supporting table, and a transverse rod is arranged at the upper end of the vertical shaft; a sliding groove is formed in the bottom of the transverse rod, a translation motor is fixedly arranged at the left end of the sliding groove, a translation screw is arranged at the output end of the translation motor and located in the sliding groove, sliding sleeves are arranged on the outer side of the translation screw in a screwed mode, a hanging plate is arranged between the sliding sleeves, and an electric capstan is arranged on the upper side of the hanging plate. A twisted rope is wound on the outer side of the electric capstan, and a hook is arranged at the end of the twisted rope; according to the device, the efficiency and the safety of transformer transportation and hoisting operation are improved, the flexibility and the adaptability of the device are enhanced, the operation process is simplified, and the labor intensity is relieved.
Owner:STATE GRID HENAN ELECTRIC POWER CO NEIXIANG COUNTY POWER SUPPLY CO

Adjusting support for fixing wide foot pier

The utility model relates to the technical field of adjusting supports, and particularly discloses an adjusting support for fixing a wide-body foot pier, which comprises a supporting leg, a bottom frame fixedly connected to the upper surface of the supporting leg, a side clamping assembly arranged on the upper surface of the bottom frame, and a limiting assembly movably connected to the side surface of the side clamping assembly. The side clamping plates are driven by the sliding blocks to slide along the guide rods, multiple rows of foot piers can be clamped between the positioning clamping plates and the side clamping plates, then the positioning bolts are screwed to penetrate through the sliding blocks to be limited and fixed to the positioning clamping plates, and preliminary stabilization of the foot piers is achieved; meanwhile, the fixing base is connected with the side clamping plate through the fixing bolt, the two sets of linkage plates, push rods and clamping plates which are symmetrically arranged are matched, the foot pier can be further extruded and positioned from the side edge, and displacement of the foot pier during nailing is effectively prevented through double positioning.
Owner:CHONGQING BENEL TECHNOLOGY CO LTD

Nonlinear support system and hypersonic velocity sweep / fixed frequency wind tunnel test method

PendingCN121954397AReproduce dynamic behaviorAccurately reflect performance impactAerodynamic testingSustainable transportationSupporting systemConstant frequency
The invention discloses a nonlinear support system and a hypersonic velocity sweep / fixed frequency wind tunnel test method, and belongs to the technical field of wind tunnel tests. The device comprises a protection platform, a protection cover, a lifting platform, a vertical mounting plate, a protection cover shoulder split, a test model and a driving mechanism, the test model is mounted at the top of the vertical mounting plate through the driving mechanism, the vertical mounting plate is mounted on the lifting platform, the protection cover is mounted on the protection platform, and the protection cover shoulder split is arranged at the top of the protection cover. The vertical mounting plate and the driving mechanism are arranged in the protective cover; and the test model at the top of the vertical mounting plate extends out of the protective cover shoulder cleft of the protective cover. The technical problem that in an existing hypersonic wind tunnel test, structural nonlinear factors such as gaps, friction and collision between kinematic pairs of an executing mechanism are ignored due to a simplified supporting mode, and consequently the influence of the performance of the executing mechanism in a complex vibration environment cannot be truly reflected by a test result is solved. And a reliable test means is provided for revealing a structural nonlinearity and pneumatic nonlinearity coupling effect rule.
Owner:AVIC SHENYANG AERODYNAMICS RES INST

Cavity workpiece hoisting device and cavity workpiece hoisting method

The invention provides a cavity workpiece hoisting device and a cavity workpiece hoisting method. The cavity workpiece hoisting device comprises a hoisting assembly, a connecting shaft assembly, a sliding sleeve, a plurality of first supporting connecting pieces and a plurality of second supporting connecting pieces. When a to-be-hoisted cavity workpiece is hoisted, the sliding sleeve is pushed to get close to the connecting end of the second supporting connecting piece and the connecting shaft assembly, and the sliding sleeve pushes the first supporting connecting piece and the second supporting connecting piece in each supporting set to stretch out in the radial direction of the connecting shaft at the same time; the connecting ends of the first supporting connecting pieces and the second supporting connecting pieces of the multiple supporting sets abut against and are matched with different positions of the inner wall of the to-be-hoisted cavity workpiece at the same time, so that the to-be-hoisted cavity workpiece and the connecting shaft assembly are relatively fixed, and the hoisting assembly hoists the to-be-hoisted cavity workpiece by driving the connecting shaft assembly to move. Relative fixation and separation of the cavity workpiece to be hoisted are achieved through a simple structure, and then efficient hoisting of the cavity workpiece to be hoisted is achieved.
Owner:CHINA SHENHUA ENERGY CO LTD HARWUSU OPEN-PIT COAL MINE

Folding method of a side airbag for a car seat

PendingCN122585136Aimprove protectionavoid losing points
The application discloses a folding method of a side airbag of a car seat, which comprises the following steps: step 1, laying the side airbag; step 2, folding the upper part of the airbag to the passenger side, and then folding the upper part upward to form a Z-fold; step 3, inserting the lower end of the airbag into a fold to form an inner plug structure, at this time, the airbag is folded into a long strip shape; step 4, laying the long strip-shaped airbag, and folding the X-direction front part of the airbag to the passenger side direction; step 5, continuing to fold the X-direction rear part of the airbag to the root of the gas generator in a Z-fold manner; and step 6, wrapping a cloth around the outer periphery of the folded airbag to maintain the shape. The application has a good guiding effect on a large amount of gas generated by the gas generator, can effectively guide the gas to rapidly inflate to the dummy arm direction, makes the airbag unfold to the passenger side of the dummy and be filled with the gas, and realizes the function of rapidly lifting the arm of the dummy.
Owner:SHANGHAI EAST JOYLONG MOTOR AIRBAG CO LTD

A hidden ladder with foldable steps

The present invention discloses a hidden ladder with foldable pedals, comprising a ladder frame assembly, a fixing seat and a ladder frame driver; one end of the ladder frame assembly is rotatably hinged to the fixing seat and the ladder frame driver respectively, and the other end of the ladder frame assembly is a free end; the fixing end of the ladder frame driver is hinged to the fixing seat, and the moving end of the ladder frame driver is hinged to the ladder frame assembly; a plurality of foldable pedal assemblies are arranged on the ladder frame assembly, and the pedal assemblies are connected to the pedal drive assembly; a retractable dust cover is arranged between the pedal assemblies. The hidden ladder with foldable pedals of the present invention can fold the pedals and hide them for storage, thereby reducing space occupation; the ladder frame driver can be used to quickly and conveniently lift and lower the ladder across floors; after the pedals are folded by the pedal driver, the ladder can be used as a slide, which makes it more convenient and labor-saving to transport goods between floors.
Owner:黄增盛