970results about How to "Play a buffering effect" patented technology

An IoT data acquisition system for intelligent industrial equipment and an uploading method for acquired data are provided. The IoT data acquisition system comprises data acquisition equipment connected with the intelligent industrial equipment and a cloud server connected with the data acquisition equipment; wherein the cloud server comprises a message receiving module, a message distribution module, a message processing module cluster consisting of a plurality of message processing modules, an asynchronous message processing module, a data model processing and building module, and a database; and the message distribution module is used for acquiring a message distribution rule from the data model processing and building module, and distributing equipment data to the message processing modules of the message processing module cluster according to the message distribution rule.

The invention discloses a rain water system for building districts of sponge cities. The rain water system is characterized by comprising a sedimentation pond, a distribution well, a treatment pond and overflow wells, wherein an environment-friendly rain water opening is formed in a position above the sedimentation pond, the sedimentation pond is connected with the distribution well through a water inlet pipe, a water inlet valve is arranged on the water inlet pipe, at least four distribution pipes are arranged on the left end surface of the distribution well, the distribution well is connected with the treatment pond through the distribution pipes, and the treatment pond is connected with the overflow wells through overflow pipes. A construction method of the rain water system comprises the following steps: (1) performing construction preparation; (2) excavating foundation pits; (3) performing foundation treatment; (4) building the sedimentation pond and the distribution well; (5) building the treatment pond and the overflow wells; (6) laying pipelines; and (7) performing ground treatment. The rain water system disclosed by the invention is simple in structure and high in practicability, and is used for collecting and treating rain water on the ground of building districts, so that the phenomenon of water accumulation on the ground of the districts is effectively avoided; and besides, rain water is collected, so that waste of water resources can be reduced.

The invention relates to the technical field of constructional engineering, and discloses a fixing device for pipelines for constructional engineering. The fixing device comprises a fixing frame. Theleft side and the right side of the bottom of the fixing frame are fixedly connected with threaded pipes, the interiors of the two threaded pipes are in threaded connection with threaded rods, the opposite sides of the two threaded rods are fixedly connected with rotary handles, and the opposite ends of the two rotary handles are sleeved with anti-skid sleeves. A cover plate is arranged on the topof the fixing frame, and the right side of the cover plate is hinged to the fixing frame through a hinge. According to the fixing device for the pipelines for constructional engineering, the pipelines can be lifted up through an arc-shaped supporting plate, friction between the fixing device and the pipelines can be increased through an oblique plate, when the pipelines vibrate, the supporting plate is pressed downwards, a sliding block slides in a sliding groove, a pressed spring can achieve a good buffer effect, contact between the arc-shaped supporting plate and the pipelines can be tighter through extension of a hydraulic telescopic rod, and the pipelines for constructional engineering can be more effectively subjected to shock absorption.

The invention discloses a rigidity-adjustable multi-dimensional passive compliance device which comprises an upper part and a lower part. A groove is formed in the lower part, and a flexible tail end is arranged in the groove. An upper supporting mechanism is arranged on the upper part, and a plurality of lower supporting mechanisms are arranged on the lower part. The upper supporting mechanism comprises an upper working fluid cylinder, an upper fluid storing cylinder, an upper ejector and an upper working fluid cylinder spring, the upper fluid storing cylinder communicates with the upper working fluid cylinder, and an upper fluid storing cylinder piston set and an upper fluid storing cylinder spring are arranged in the upper fluid storing cylinder. Each lower supporting mechanism comprises a lower working fluid cylinder, a lower fluid storing cylinder, a lower ejector and a lower working fluid cylinder spring, wherein the lower fluid storing cylinder communicates with the lower working fluid cylinder, a lower fluid storing cylinder piston set and a lower fluid storing cylinder spring are arranged in the lower fluid storing cylinder, and the upper working fluid cylinder and the lower working fluid cylinder are both filled with viscosity-adjustable fluid. During work, the flexible tail end can move in the groove in any direction, multi-dimensional compliance movement is achieved, and the adjustable rigidity is achieved through the viscosity-adjustable fluid.

The invention relates to a plate positioning device on a bending machine, which can avoid the influence of inertia generated during plate feed-in on the position of a stop pin to improve positioning accuracy. The plate positioning device is arranged on the front and/or rear part of a workbench of the bending machine, and comprises a support, a movable frame, a screw rod which is arranged on the support and is used for driving the movable frame to move back and forth, the stop pin and a pneumatic buffer compensating device, wherein the stop pin is arranged on the movable frame, and a work surface of the stop pin faces a blade of the bending machine; and the movable frame is connected with the screw rod by the pneumatic buffer compensating device. After the stop pin on stopping materials is subjected to the impact force of plates, the impact force can be transferred to a ball screw rod, so that the ball screw rod can be damaged to finally cause the invalidation of the positioning accuracy finally. Therefore, the impact force is prevented from being acted on the ball screw rod directly by utilizing the pneumatic buffer compensating device, so that when the screw rod is subjected to the impact force, the accuracy of the screw rod is not influenced. The plate positioning device has the advantages of high accuracy, high impact resistance, long service life and the like.

The invention discloses an ostrich-like robot walking mechanism. The mechanism comprises a torso, a thigh bone, a shin bone, an accessory metatarsal bone, a middle connecting rod and toes; a first camis fixed to the torso, the thigh bone is connected onto the torso in a hinged mode, a thigh bone push-pull and swinging mechanism is connected between the thigh bone and the torso, a second cam is fixed to the thigh bone, one end of the shin bone and one end of the middle connecting rod are connected with the thigh bone in a hinged mode, and the other end of the shin bone and the other end of themiddle connecting rod are connected with the accessory metatarsal bone in a hinged mode; a shin bone push-pull and swinging mechanism is connected between the thigh bone and the shin bone; the firsttoe is connected with the tail end of the accessory metatarsal bone in a hinged mode, the first toe, the second toe and the third toe are connected in a hinged mode in sequence, and a second toe push-pull and swinging mechanism is connected between the first toe and the second toe; a third toe push-pull and swinging mechanism is connected between the second toe and the third toe; a tension springis connected between the accessory metatarsal bone and the first toe, and a drawstring wound around the second cam and the first cam is connected between the torso and the third toe. According to themechanism, the walking and running gaits of an ostrich are fully imitated, and hitting the ground by legs, leg recovery in the air, leg extension in the air and landing of the toes can be achieved.

The invention relates to an epitaxial wafer for an inverted LED chip and a fabrication method of the epitaxial wafer, belongs to the technical field of epitaxy of a light emitting diode. An n-(Al<x>Ga<1-x>)<0.5>In<0.5>P potential well layer and an n-(Al<y>Ga<1-y>)<0.5>In<0.5>P barrier layer are periodically, alternatively and epitaxially grown during growth of an n-type superlattice, and a p-(Al<x>Ga<1-x>)<0.5>In<0.5>P potential well layer and a p-(Al<y>Ga<1-y>)<0.5>In<0.5>P barrier layer are periodically, alternatively and epitaxially grown during growth of a p-type superlattice. The fabrication process is simple and reasonable, the transverse motion of an electron in an n-(Al<x>Ga<1-x>)<0.5>In<0.5>P current extension layer can be effectively improved by the n-type superlattice, and the luminous efficiency of an AlGaInP epitaxial structure is further improved. With the product fabricated by the method, the luminous efficiency, the photoelectric property and the yield of an AlGaInP-based inverted LED epitaxial wafer can be effective enhanced.

The invention belongs to the field of pumps and particularly relates to a water jet propulsion pump which comprises a pump body and a pump shaft assembly arranged at a pump cavity of the pump body. The pump shaft assembly at least comprises a pump shaft and an impeller wheel arranged on the pump shaft; the pump shaft is of a simply supported beam structure with bearings at the two ends of the pump shaft fixedly connected, the tail end of the pump shaft and a power source of the water jet propulsion pump are in normal-running fit, and the head end of the pump shaft extends in the axial direction and is in bearing fit with a bearing assembly arranged on the pump body; bounded by an impeller wheel body, the water jet propulsion pump is divided into a water inlet area and a water outlet area, wherein the water inlet area is communicated with a liquid inlet of the pump body, and the water outlet area is used for discharging water; a reflux passageway used for reducing the hydraulic thrust at the bearing assembly is arranged between the water inlet area and the water outlet area, and the water inlet area of the pump body, the water outlet area of the pump body, gaps to be lubricated of the bearing assembly and the reflux passageway are sequentially communicated and form a circular flow channel. The water jet propulsion pump is reasonable and practical in structure, wide in working usage range and long in service life, and high-efficiency work of components within the whole water outlet area of the pump body can be effectively guaranteed.

The invention discloses a wave resisting device for an offshore operating platform. The device comprises an air sac component (1) and a positioning component (2) which is used for positioning the air sac component (1) on a platform structural piece, wherein the air sac component (1) comprises at least one long-pipe-shaped air sac (11) which is sleeved on the platform structural piece; the air sac(11) comprises a hose (12) and connecting joints (13) which are arranged at the two ends of the hose (12); and the hose (12) is connected with the connecting joints in a sealed manner(13). The wave resisting device for the offshore operating platform has the advantages of high sea wave buffering property and good protective effects on the offshore operating platform, is safe and reliable, is easyand convenient to use and is quickly maintained.

The invention provides safe and drop-resistant charging equipment, and relates to the field of charging equipment. The safe and drop-resistant charging equipment comprises an outer shell, wherein a buffer plate is arranged in the outer shell, a charging body is inserted to the top of the buffer plate, a USB interface is fixedly arranged in the top of the charging body, the top of the USB interfacepenetrates through the top of an inner wall of the outer shell and extends to an upper side of the outer shell, fixed blocks are fixedly arranged at two sides of the bottom of an inner wall of the outer shell, and a cross rod is fixedly arranged at one side, near to the inner wall of the shell, of each fixed block. In the safe and drop-resistant charging equipment, a sliding sleeve is driven to extrude a first buffer spring by a buffer plate connection rod, so that the first buffer spring generates a counter-acting force, an effect of shock absorption of the charging body during vertical vibration is achieved, an effect of drop resistance is achieved, the charging equipment is prevented from dropping to ground to cause damage to internal equipment and affect the application performance and lifetime of the charging equipment.

The invention discloses a potted plant soil block disengagement preventing logistics box leveled based on earth gravity, and relates to the technical field of logistics transportation. The potted plant soil block disengagement preventing logistics box leveled based on earth gravity comprises a box body, a box cover, a leveling box, a compression spring, a containing plate, first inclined blocks, transmission mechanisms, reset mechanisms and clamping mechanisms. The rear side of the box cover is hinged to the top of the inner rear wall of the box body through a hinge, the leveling box is arranged in the middle of an inner cavity of the box body, and the middle of the inner bottom of the leveling box is fixedly connected with the bottom end of the compression spring. According to the pottedplant soil block disengagement preventing logistics box leveled based on earth gravity, when a potted plant is put in the leveling box, the leveling box can carry out automatic leveling to avoid the condition that the potted plant topples over, meanwhile, a pot body of a flowerpot is fastened through the cooperative arrangement of the transmission mechanisms and the clamping mechanisms, and the problem that soil spills as the potted plant topples over along with toppling of the box body is further avoided.

The invention discloses a shield tunneling machine cutter with a cushion device. The shield tunneling machine cutter comprises a cutter seat fixed on a spoke of a shield tunneling machine cutter disc,and the cutter body installed on the cutter disc, the cutter is provided with a cutter blade, the side edge, close to the heading direction of the cutter, ofthe cutter blade of the cutter is rotatably connected with the cutter seat, the other side edge, the cutter blade away from the heading direction of the cutter, of the cutter and the cutter seat are provided with a gap, and a cushion device is arranged between the other side edge of the cutter and the cutter seat. According to the shield tunneling machine cutter, the cushion device is arranged in the cutter seat, after the blade of the cutter is impacted during working, the cutter can be driven to be rotated around a pin roll, a cushion spring in the cushion device is compressed, time of cutting a hard object by the blade is prolongedin the process, the cushion effect is exerted, the probability of tipping of the blade is reduced, the capability of impact resistance of the cutter is greatly promoted, and the problem that due to the damage of the cutter disc caused by the tipping of a cutter tool, excavation of a shield tunneling machine is affected is solved.

The invention relates to the field of household appliances, in particular to a grinding device for an electric kettle body. The grinding device for the electric kettle body comprises a working table,a loading and unloading assembly, a grinding mechanism, a guiding and pressing assembly and a positioning drive mechanism, wherein the loading and unloading assembly is located on one side of the working table; the grinding mechanism and the positioning drive mechanism are located on the working table; the positioning drive mechanism is formed by a working tank, an upper pressing assembly and a drive assembly; the upper pressing assembly comprises a bearing rotary plate and an inner pressing assembly; a bearing jig is fixedly arranged on the top part of the working tank; the inner pressing assembly is vertically arranged in the center of the top part of the bearing rotary plate; the center part of the bottom part of the bearing rotary plate is in drive joint with the working end of the drive assembly; the guiding and pressing assembly comprises a guiding and pressing column; the grinding mechanism comprises a horizontal moving assembly and a grinding roller wheel; the loading and unloading assembly comprises a loading conveyor line and an unloading conveyor line; and a clamping jig is arranged between the loading conveyor line and the unloading conveyor line. The device only needsto be assembled and disassembled sequentially, so that a product can be processed, and the efficiency is improved.

The invention discloses a die cutting machine with good buffering performance. The die cutting machine comprises a base, an operation platform is fixedly connected at the top pf the base, the top of the operation platform is fixedly connected with a die cutting machine body and provided with a positioning rod, one end of the positioning rod penetrates the operation platform and extends to the outside of the same, the outer surface of the operation platform is fixedly connected with a limiting ring and the outer surface of the positioning rod contacts with the inner wall of the limiting ring; the bottom of the die cutting machine body is fixedly connected with a first transverse plate, the bottom of the first transverse plate is fixedly connected with an annular rubber ring, one end, away from the first transverse plate, of the annular rubber ring is fixedly connected with a second transverse plate, one side face, away from the annular rubber ring, of the second transverse plate is fixedly connected with a first buffering pad, and one side face, away from the second transverse plate, of the first buffering pad is fixedly connected with a powerful spring. Damping effect is improved integrally, vibration amplitude caused by integral operation is reduced, loosening of internal connecting elements is avoided, and accuracy of processing operation is improved.

The invention relates to an impermeable structure applied to a concrete pressure container, which belongs to the technical field of solid engine test, and comprises a concrete wall, steel embedded parts, a steel plate and a glass fiber reinforced plastic coating, wherein the concrete wall is arranged on the outermost layer of the impermeable structure, the steel embedded parts are arranged in the concrete wall, the steel embedded parts are connected with a prestressed steel bar in concrete, the steel plate is adjacent to the concrete wall and is closely attached to the concrete wall after being welded with the steel embedded parts, and the glass fiber reinforced plastic coating is uniformly coated on the outer layer of the steel plate. The impermeable structure is simple in construction process, easy to realize, applicable to the concrete pressure container under the pressure lower than 0.4MPa, and water in the concrete pressure container can be prevented from permeating outwards via the wall.

The invention discloses a buffer device for a free forging double-arm electro-hydraulic hammer. The buffer device comprises a base; two first trapezoidal rods and a first fixing block are fixedly mounted on the top side of the base; the first fixing block is located between the two trapezoidal rods; a first groove is formed in the top side of the first fixing block; a second fixing block is fixedly mounted in the first groove; a second groove is formed in the top side of the second fixing block; a third fixing block is fixedly mounted in the second groove; the third fixing block is of a hollowstructure; a movable plate is movably mounted in the third fixing block; a connecting rod is fixedly mounted on the top side of the movable plate; and the top end of the connecting rod extends out ofthe third fixing block. The buffer device is simple in structure and is equipped with a buffer structure, so that the pressure generated during the working process of the machine can be effectively relieved, the service life of the machine can be prolonged, and the use requirements can be meet.