15results about How to "Avoid rigid connections" patented technology

The invention discloses an EUV mask defect detection device, which comprises a bottom plate, a first base, a mounting bracket, a displacement assembly and a main vacuum assembly, the first base is fixed on the bottom plate, the mounting bracket is fixed on the top of the first base, the main vacuum assembly is fixed on the top of the mounting bracket, and the displacement assembly is fixed on the bottom plate. The bottom of the main vacuum assembly is connected with the first base through a displacement assembly, and the displacement assembly is used for adjusting the Z-direction position of the main vacuum assembly. The device further comprises a second base, a triangular support and a scanning vacuum assembly, the second base is fixed to the bottom plate, the triangular support is fixed to the top of the second base, the scanning vacuum assembly is fixed to the triangular support, and the scanning vacuum assembly is connected with the main vacuum assembly through a corrugated pipe. According to the invention, the scanning vacuum cavity is separated from the main vacuum cavity, rigid connection is avoided by using the corrugated pipe, and the problem that the imaging quality is influenced by vibration caused by scanning in the exposure process is solved.

The utility model relates to the technical field of transformer installation, and discloses an installation base for transformer installation, which comprises a bottom plate and an installation plate, one side of the bottom plate is provided with a plate groove, the plate groove is in sliding connection with a telescopic plate, the surface of the telescopic plate is provided with a tooth groove, one side of the telescopic plate is fixedly provided with a supporting strip, and the supporting strip is fixedly connected with the installation plate. Supporting plates are welded to one side of the supporting strip and the other side of the bottom plate correspondingly, first hoops are welded to one sides of the two supporting plates correspondingly, and second hoops are connected to one sides of the two first hoops correspondingly. The bottom plate can be placed between two adjacent electric poles through the first hoops and the second hoops, the torque of the studs can be prevented from being transmitted to the racks by rotating the racks and the bearings through the studs, the racks can ascend and be separated from the tooth grooves, a worker can conveniently slide the telescopic plate, the distance between the two first hoops is adjusted, and the working efficiency is improved. And by adjusting the distance between the two hoops I, the device can be matched with electric poles with different distances for use.

The invention discloses a vibration-resistant ox horn capacitor, and relates to the technical field of capacitors. The device comprises a sleeve, an aluminum pipe is sleeved with the sleeve, a bottom pad is fixedly connected to the bottom of the aluminum pipe, a sealing plug is installed in the aluminum pipe, a cover plate is fixedly connected to the top end of the aluminum pipe, and a limiting sleeve is arranged at the top end of the bottom pad and made of rubber; the capacitor core is installed in the limiting sleeve in a limiting mode, the two sides of the top end of the capacitor core are both provided with leading-out strips, the two sides of the sealing plug are provided with aluminum stems matched with the leading-out strips, the two sides of the cover plate are both provided with buffering openings, rubber pads are installed in the buffering openings, welding pins are installed between the cover plate and the rubber pads, and the rubber pads are used for blocking vibration of the welding pins. The internal structure of an existing capacitor is changed in a small range, the vibration resistance of the capacitor is improved, meanwhile, the connecting tightness of the welding pins and the capacitor body is blocked, and the service life of the welding points of the capacitor is longer.

The utility model relates to electric bicycle technical field, concretely is a kind of electric bicycle with spare box of assembly, including electric vehicle frame, the top of electric vehicle frame center place is fixedly connected with seat, electric vehicle frame side bottom is rotatably connected with rear wheel, and the top of electric vehicle frame is provided with clamping mechanism in rear wheel, and the top of clamping mechanism is equipped with spare box, the bottom of spare box front and rear sides is fixedly provided with clamping groove, and clamping mechanism includes the mounting plate of fixed connection in the top of electric vehicle frame, the top of mounting plate is fixedly connected with buffer pad, the front and rear sides of mounting plate are fixedly connected with fixed plate, when spare box assembly, the position of clamping groove and the position of trapezoidal clamping plate correspond, directly press downward, and assembly can be completed, when disassembling, just pull hand pull disc, make trapezoidal clamping plate and clamping groove disengage clamping, and electric bicycle can be removed, to ensure the stability while avoiding the rigid connection of bolt, make assembly disassembly more convenient and fast, improve universality.

The utility model relates to hair trimming technical field, and specifically disclose a kind of hair cutting device, including cutter head subassembly and for installing cutter head subassembly shell, for driving cutter head subassembly operation to cut hair driving mechanism is arranged in shell, the driving mechanism includes installation base, hair cutting device further includes flexible pad, and the driving mechanism is connected to shell by flexible pad. By making flexible connection between driving mechanism and shell can avoid driving mechanism rigid connection between shell directly, to be able to absorb vibration energy by flexible connection when driving mechanism high-speed operation produces vibration, produce buffer, further substantially reduce the vibration of shell, avoid numb feeling when user handholds shell due to vibration, also avoid hand fatigue and uncomfortable feeling brought by long time use, simultaneously, since vibration substantially reduces, thus can effectively reduce noise. Visible, the hair cutting device in the utility model, can improve the user's experience.

The utility model discloses an adjustable guardrail for municipal roads, which comprises a guardrail body and a vertical rod, the vertical rod is mounted on the guardrail body, an adjusting mechanism is arranged on the vertical rod, and the adjusting mechanism comprises an insertion rod, an internal spring, a positioning block, a fixing seat, an external spring, a follow-up sleeve, a clamping mechanism and a limiting mechanism. The inserting rod is coaxially installed on the vertical rod, the two ends of the multiple internal springs are connected to the positioning block and the inserting rod respectively, the adjusting mechanism provides flexible height adjusting capacity for the guardrail so as to adapt to different road and environment requirements, and through matched use of the internal springs and the external springs and sliding connection of the inserting rod and the positioning block, the height of the guardrail can be adjusted flexibly. The structure stability can be guaranteed through the mechanism, in addition, by avoiding rigid connection, the mechanism can provide a certain degree of elasticity when encountering large external force, and therefore damage caused by impact is reduced, the service life of the guardrail is prolonged, and the safety of the guardrail is improved.

The present invention belongs to the technical field of lifting devices, and particularly relates to an emergency rescue lifting device, including a base plate; a moving assembly is provided on the bottom surface of the base plate, and two groups of first columns and lifting assemblies are symmetrically provided on the top surface of the base plate in sequence, and the first column is provided with a first slide groove along its vertical direction, and the first slide groove is rotatably and slidably connected to a first shaft, and the first shaft is connected to one end of a first rotating rod, and the other end of the first rotating rod is rotatably connected to one side of a base plate, and the other side of the base plate is rotatably connected to one end of a second rotating rod, and the other end of the second rotating rod is rotatably connected to a first roller; an adjusting rod assembly is provided between the second rotating rod and the bottom surface of the base plate, and the front and rear ends of the base plate are connected to the lifting assembly; a sliding plate is provided on the top of the base plate, and a positioning assembly is provided between the sliding plate and the base plate. The present invention can cope with different rescue occasions by switching different change states and changing the use order of each change state.

The application discloses a closed dust-free semiconductor packaging conveying device, which comprises a rack, a driving mechanism, a sliding table, a tray and an air filtering device, a gear shaft is suspendedly arranged in the rack, the front and rear ends of the gear shaft penetrate through the rack and are rotationally connected with the rack, the rear side of the rack is provided with the driving mechanism, and the driving mechanism is connected with the gear shaft. The closed dust-free semiconductor packaging conveying device is provided with an air inlet, a first air outlet and a vacuum pump, the vacuum pump extracts air through the air inlet, clean air is formed after the air is filtered through the air filtering device, then the clean air is discharged into the sealed cover through the first air outlet, the regular airflow is formed on the two sides of the sealed cover through the above structure, dust invasion into the inside of the sealed cover is avoided due to the influence of vortex flow, turbulent flow and the like, meanwhile, the sealed cover wrapped outside the rack further improves the sealing effect, the material is convenient for long-distance transportation, and the requirement for the workshop is reduced.

This utility model relates to the technical field of adhesive production equipment and discloses an automatic adhesive batching and mixing device, including an inclined support and a shuttle-shaped material tank. A feed pipe is rotatably provided on one side of the inclined support, and a batching component is provided at the feed end of the feed pipe. The feed pipe is rotatably connected to one end of the shuttle-shaped material tank. A discharge pipe is rotatably provided on the other side of the inclined support. A stirring rod connecting the feed pipe and the discharge pipe is provided inside the shuttle-shaped material tank, and the discharge pipe is rotatably connected to the other end of the shuttle-shaped material tank. By rotatably connecting the feed pipe and the discharge pipe to the shuttle-shaped material tank, a rigid connection between the shuttle-shaped material tank and the feed pipe and discharge pipe is avoided. A drive component can drive gear ring one and gear ring two to rotate in opposite directions. Gear ring one and gear ring two can respectively drive the shuttle-shaped material tank and the stirring rod to rotate in opposite directions, forming a powerful shearing and kneading effect, completely eliminating mixing dead zones.

This application discloses a cushioning-optimized athletic shoe sole. The midsole includes an upper midsole, a middle midsole, and a lower midsole, all with increasing hardness. The forefoot support includes a rigid upper forefoot piece, a rigid middle forefoot piece, and a soft lower forefoot piece stacked from top to bottom. The middle and lower forefoot pieces fill the first and second forefoot openings, respectively. In this cushioning-optimized athletic shoe sole, when the forefoot support is compressed, the upper forefoot piece provides relatively firm cushioning based on the middle midsole, the middle forefoot piece provides even firmer cushioning based on the lower midsole, and the lower forefoot piece is soft, avoiding a rigid connection with the outsole. When subjected to greater pressure, the lower forefoot piece is compressed, resulting in the firmest cushioning effect, ultimately providing a multi-layered cushioning effect. The rear support also provides different cushioning effects in layers.

The utility model discloses a kind of under-inclination chute's anti-blocking dredging device in gangue material transfer technical field, including feed hopper and fixedly installed under discharge chute section of feed hopper, and the bottom plate inner surface of discharge chute section is provided with the protruding flow disturbing structure;The bottom plate outside of discharge chute section is installed with vibration motor by high rigidity flange, and vibration transmission plate is provided between the two;The side plate trepanning of feed hopper is connected with air compressor in trepanning, and the end of pipeline of air compressor that extends into feed hopper interior is connected with at least one nozzle, and nozzle points to the inlet accumulation area of discharge chute section;Discharge chute section below is fixedly connected with chute support with damping device, and damping device is arranged in multiple-point symmetry below chute support.The utility model effectively solves the problem that under-inclination chute is easy to block, space requirement is high, improves conveying efficiency and reduces reconstruction engineering difficulty.

The application relates to the field of building construction, in particular to a dry method ground system and a construction method thereof; the ground system comprises a supporting unit, a finishing unit and a foaming adhesive layer; the supporting unit comprises an overhead ground plate, a hollow supporting assembly and the foaming adhesive layer; one end of a supporting bolt is abutted against the ground; the foaming adhesive layer is arranged between the hollow supporting assembly and the ground; and the hollow supporting assembly is fixedly connected with the overhead ground plate; the finishing unit comprises a first adhesive layer, a bird's mouth structure base plate, a second adhesive layer and a ground rubber finishing layer; the first adhesive layer is fixed on the surface of the overhead ground plate; the first adhesive layer is fixed on the bottom surface of the bird's mouth structure base plate; the second adhesive layer is fixed on the surface of the bird's mouth structure base plate; and the second adhesive layer is fixed on the bottom surface of the ground rubber finishing layer; the foaming adhesive layer is arranged between the hollow supporting assembly and the ground; the bird's mouth structure base plate is introduced between the ground rubber finishing layer and the overhead ground plate; the ground system is leveled again; the first adhesive layer and the second adhesive layer are introduced respectively; and the dry method ground system with high flatness is realized.

The utility model relates to the related field of large-span building steel structure connection, in particular to a connecting joint of a plane steel truss and a circular steel pipe column, which comprises a steel plate connected with a lower chord of the plane steel truss through a reinforcing piece. The circular cover plate is connected with the end part of the circular steel pipe column; the basin type anti-seismic hinged support is arranged between the steel plate and the circular cover plate, and the two ends of the basin type anti-seismic hinged support are fixed to the steel plate and the circular cover plate respectively; the pot-type anti-seismic hinged support is fixedly connected with the circular cover plate and the steel plate respectively, so that hinged connection of the lower chord and the steel pipe column can be well achieved, rigid connection of the lower chord and the steel pipe column is avoided, and bending moment generated on the steel pipe column is greatly reduced. Meanwhile, the section size of the steel pipe column can be effectively reduced, the capacity of bearing large vertical pressure, pulling force and horizontal shearing force is achieved, meanwhile, the section size of the steel pipe column can be effectively reduced, and good anti-seismic performance is achieved.

The present application discloses an automatic cable storage device for a new energy charging pile, which relates to the technical field of new energy facilities. The device comprises a charging pile body, a storage component is arranged on the outer surface of the charging pile body, a protective component is arranged on the outer surface of the charging pile body, and a charging cable is wound around the inner cavity of the storage component. The present invention can store cables through the storage component to prevent the cables from being exposed to the outside world, which may cause the outer skin of the cables to be worn, aged or even broken, thereby reducing the occurrence of safety accidents. During the storage process, dust and rainwater attached to the outer surface of the cables can be removed, and the protective component can prevent the cables from being dragged. The cables are flexibly connected to the charging pile and can be moved a short distance to prevent them from being directly broken due to excessive rigidity. At the same time, the device has an alarm mechanism to immediately sound an alarm when the cables are disconnected. The excess cables can be limited by the limit assembly to prevent friction with the ground, thereby increasing the service life of the cables.