147results about How to "With buffer capacity" patented technology

The invention discloses a foot-type robot single-leg device and a robot. The foot-type robot single-leg device and the robot are used for solving the problems that an existing foot-type robot single-leg structure is complex in structure and high in cost. The foot-type robot single-leg device comprises a hip part, a thigh part and a shank part. The hip part and a hip driving mechanism are connectedthrough a hip connecting piece to form a hip joint; the hip part and the thigh part are connected through a first rotating pair to form a crotch joint; the thing part and the shank part are connectedthrough a second rotating pair to form a knee joint; the hip part is connected with the thigh part through a hip-leg connecting piece; the hip part is driven by the hip driving mechanism, thus the thigh part rotates around the X-axis, and the thigh part is driven by a crotch driving mechanism to rotate around the Y-axis; a knee driving mechanism on the thigh part is connected with the shank partthrough a shank connecting piece, and the shank part is driven by the knee driving mechanism to rotate around the Y-axis; and the hip driving mechanism, the crotch driving mechanism and the knee driving mechanism are of the same structure and are all ball screw driving units.

The invention belongs to the technical field of polyurethane elastomers, and particularly relates to a polyurethane elastomer composite for protecting the outer layer of a storage tank and a preparation method thereof. The polyurethane elastomer composite comprises an A component and a B component, wherein the A component includes polyether polyol, a plasticizing agent, a cross-linking agent, a catalyst, a pigment, an antioxidant, an ultraviolet absorbent, a thickening agent, a defoaming agent and an adhesive force accelerating agent; the B component includes polyether polyol, isocyanate and a plasticizing agent. The polyurethane elastomer composite disclosed by the invention can be used for isolating the contact of the storage tank and outside moisture, an acidic material, and the like by being sprayed on the outer wall of the storage tank, prevents the problem of easiness for rusting and corrosion through certain buffer capacity and has better buffer effect on the impact objects, such as hailstones and the like, on the storage tank, thereby prolonging the service life of the storage tank. The preparation method disclosed by the invention is scientific, reasonable, simple and feasible.

The invention relates to the technical field of the traffic safety, and specifically relates to a runaway vehicle guide system and method for a long downhill road section of a mountain highway. The system comprises a runaway vehicle judgment system, a runaway vehicle guide system and a control decision-making system; and the method comprises the following steps: when a vehicle enters a work region, a monitoring facility performs real-time monitoring on a passing vehicle speed and running state; the runaway vehicle judgment system judges whether the vehicle is runaway according to the monitoring data; if the vehicle is runaway, the control decision-making system controls the runaway vehicle guide system to work to guide the runaway vehicle; after sensing that the vehicle has pulled away theguide region, a sensing device automatically lands to accomplish the guide of the runaway vehicle. The system and method are designed by combining the specific escape ramp at the mountain highway with the relatively mature liftable road pile technology, a caution light and a mesh are arranged on the liftable guide pile, the guidance of the guide structure is enhanced, and the guide structure hasthe buffer capacity the liftable guide pile; the structure is simple, the mounting and maintenance are convenient, and the system has strong creativity.

Disclosed is a hydraulic extension cushion with a planetary roller screw driven by an alternating-current servo synchronous motor. A pneumatic control valve core structure of a core mechanism controlling blank holding force is replaced by a valve core structure driven by the alternating-current servo synchronous motor, and the valve core structure is higher in accuracy and responding speed; the structure is simple and compact, and the failure rate is low; the valve core structure design has a buffering capacity, the problem of too large blank holding force at the initial moment of stamping can be solved, and meanwhile, a main valve core is protected against damage. A pressure sensor is arranged in a piston cavity, and the alternating-current servo synchronous motor can be adjusted conveniently according to instantaneous pressure conditions, accordingly valve core displacement is controlled accurately, accurate control over the blank holding force is achieved, and the whole forms a closed loop system. The alternating-current servo synchronous motor drives a screw to rotate through deceleration, then the rotation is converted into the linear motion of the valve core through a planetary roller pair, the alternating-current servo synchronous motor is used for controlling the displacement of the valve core in a closed-loop mode, and accordingly accurate blank holding force adjustment can be achieved.

The invention discloses a carbide slag powdering process and a carbide slag powdering system and belongs to the field of resource and environment protection. The carbide slag powdering system comprises a drying system, a grinding system and a powder selecting system, wherein the drying system comprises a rotary kiln, a furnace, a first draught fan and a rotary kiln feeding bin, wherein one side of the rotary kiln is communicated with the furnace, and the other side of the rotary kiln is communicated with the first draft fan and the rotary kiln feeding bin; the grinding system comprises a pre-grinding bin which is communicated with the outlet of the rotary kiln and a ball mill which is communicated with the outlet of the pre-grinding bin; the powder selecting system comprises a powder selecting machine which is communicated with the outlet of the ball mill; and hopper lifting machines are arranged at the positions of the rotary kiln feeding bin, the furnace and the pre-grinding bin. According to the process disclosed by the invention, the carbide slag is processed by the system and prepared by the system into qualified desulfurizing agent for wet desulphurization, reducing matters containing phosphorus, sulfur and the like in the carbide slag are oxidized in a high-temperature environment while the carbide slag is dried, and high-quality carbide slag desulfurizing agent can be obtained by more accurate screening.

The invention discloses an internet intelligent conference tablet which comprises a tablet body, a frame and a stabilizing base; the middle end of the top of the stabilizing base is connected with a longitudinally arranged telescopic column, and the top of a second support is connected with a mounting plate. One end of the frame is connected with a limiting plate, and the other end of the frame isconnected with a baffle. Clamping grooves are formed in the two sides of the top of the frame in the length direction. A horizontally-arranged rotating shaft is connected to the middle end of the interior of the rotating plate in a penetrating mode, an elastic folding telescopic plate is installed in the penetrating hole, a positioning groove is formed in the middle end of the top of the telescopic plate in the length direction, and the protruding head is clamped in the groove to fix the telescopic plate. The conference tablet is convenient and fast to install in use, good in heat dissipationperformance, high in stability performance, not prone to falling off, good in safety performance and not prone to falling off and being damaged. Workers in different directions can be shown, and thelimitation of the small size of the flat plate is avoided.

The invention discloses a trailer for civil engineering. The trailer comprises an outer base plate, an inner base plate, a support rod and rollers, wherein the inner base plate is arranged in the outer base plate, and shock resistant springs are arranged between the inner base plate and the outer base plate; the support rod is mounted on one side of the outer base plate; the rollers are mounted at the bottom of the outer base plate. According to the trailer disclosed by the invention, the outer base plate and the inner base plate are arranged, and the shock resistant springs are arranged to be connected between the outer base plate and the inner base plate, so that the inner base plate has a certain buffer capacity, and the shockproof effect is good; a non-slip pad is arranged on the support rod, so that the non-slip capacity of the trailer can be improved.

The invention discloses a marine hydrological observation device. The device comprises a floating platform, a main bracket arranged above the floating platform and a balance bracket arranged at the bottom of the floating platform, wherein a closed electronic cabin is arranged in the floating platform; a storage battery, a control circuit and a memory are arranged in the closed electronic cabin; amonitoring device is arranged above the floating platform; the storage battery is connected with the monitoring device through the control circuit; the output end of the monitoring device is connectedwith the memory; and a supporting frame is fixed to the top of the main support. A solar cell panel is movably installed on the top of the supporting frame. The solar cell panel is connected with thestorage battery through the control circuit. The upper end of the solar cell panel is hinged to the top of the supporting frame. According to the solar buoy, the service life of the solar cell panelcan be prolonged, the number of overhauling times can be reduced, the solar buoy can well adapt to the environment in water, and the buoy can be kept more stable.

The invention discloses a marine fuel gas conveying double-wall pipe. The marine fuel gas conveying double-wall pipe comprises an inner pipe and an outer pipe which are coaxially arranged in a complete set mode, wherein supporting assemblies are arranged between the inner pipe and the outer pipe in the length direction of the double-wall pipe at intervals, each supporting assembly comprises at least three supporting structural parts, the at least three supporting structural parts are evenly distributed in the annular direction of the inner pipe so that even supporting can be formed between the inner pipe and the outer pipe, and each supporting structural part is composed of a hard guide pipe and an inner supporting part. The guide pipes are perpendicularly and fixedly connected with the inner pipe so that the structural stability of the inner pipe can be guaranteed, and the inner supporting parts are elastically connected with the outer pipe, so that the inner pipe has a certain buffering capability while ensuring that the inner pipe has enough stability. The double-wall pipe is simple in structure, convenient to manufacture and higher in structural stability, and the manufacturing and mounting cost can be effectively reduced.

The invention discloses a wound expansion fixing device for a cardiovascular and cerebrovascular clinical operation, and relates to the technical field of wound expansion devices. The shielding problem is solved. The device specifically comprises a supporting plate fixed to the edge of a sickbed through a fixing piece, one side of the supporting plate is connected with a flaring piece through a driving piece, the flaring piece comprises two push hooks and a drag hook, the push hooks and the drag hook are the same in structure and each comprise two frameworks, and the outer walls of the vertical parts of the two frameworks are fixedly provided with the same arc-shaped connecting column. A plurality of connecting rib columns are fixedly installed on the outer walls of the opposite sides of the two frameworks, and sliding buckles are buckled to the outer walls of the two sides of the push hook and the pull hook located on the same side. The two sets of pushing hooks and the two sets of pulling hooks are used oppositely, after a wound is expanded, the whole pushing hooks and the whole pulling hooks are arranged in the direction perpendicular to the depth direction of the wound, certain space avoiding is conducted, the two sets of pushing hooks and the two sets of pulling hooks are completely vacated, and therefore follow-up blood vessel treatment can be greatly facilitated.

The invention provides a socket, which comprises an insulating shell, conductive silica gel arranged in the insulating shell and a conducting strip arranged on the insulating shell. One end of the conducting strip is electrically connected to the conductive silica gel, and the other end of the conducting strip is extended from the insulating shell to be electrically connected with the outside. According to the socket, the soft conductive silica gel is arranged in the insulating shell, so that a pin of a lamp tube can be easily inserted into the conductive silica gel to arrange the lamp tube on the socket and electrically connect the lamp tube and the socket, and the phenomenon that strong force is required by the arrangement of the lamp tube to crush the lamp tube in the prior art is avoided; and in addition, the conductive silica gel has certain buffer capacity so as to realize a function of protecting the lamp tube.

The invention discloses a multi-energy system robust optimization scheduling strategy based on the game theory, and belongs to the technical field of power systems, the multi-energy system comprises a multi-energy system and a scheduling strategy, and the multi-energy system comprises a thermal power generating unit. According to the method, peak clipping and valley filling of uncertain wind and light output and load requirements are achieved through two-stage peak shaving control of the photo-thermal power station and the energy storage power station, then total power output is smoothed, meanwhile, new energy is consumed to the maximum extent, the photo-thermal power station is provided with a heat storage system, stable supply of electric energy can be guaranteed, and therefore the buffering capacity is achieved; when the configured heat storage capacity is large enough, the system can serve as a peak regulation power plant to participate in scheduling of a multi-energy system, power production is greatly smoothed, new energy consumption can be effectively promoted, and the system is one of important technologies for achieving high-proportion new energy grid connection. And the new energy consumption is improved to the greatest extent while the operation flexibility and reliability of the system are improved.

The invention discloses an automotive suspension ball structure with the high interference fit degree. The automotive suspension ball structure with the high interference fit degree comprises a ball cup and a connecting arm welded to one side of the ball cup. A ball groove is formed in the top of the ball cup, and a ball is movably mounted in the ball groove. A ball arm is welded to the top of the ball, and an abrasion-resistant plate which is located in the ball groove is arranged on the two sides and below the ball. The side, close to the ball, of the abrasion-resistant plate is slidably connected with the ball, one end of a connecting mechanism is welded to the side, away from the ball, of the abrasion-resistant plate, and the other end of the connecting mechanism is welded to the inner wall of the ball groove. The connecting mechanism comprises a base plate welded to the inner wall of the ball groove, and a fixed base is welded to the side, close to the ball, of the base plate. The automotive suspension ball structure with the high interference fit degree has the buffering capacity and can buffer vibrating force, the situation that the interference fit degree is changed under the influence of the vibrating force is avoided, and the transmission stability between a steering direction device and a steering wheel is prevented from being affected; and the interference fit degree can be increased, the structure is simple, and cost is low.

The invention discloses a clean type quick-frozen food forming device, which comprises a hollow cutting table, a driving motor is fixed inside the hollow cutting table, and a first gear is fixed on the output shaft of the driving motor, and the first gear is located in the hollow cutting table. The inside of the table, and the two sides of the first gear are engaged with the second gear, the second gear is located inside the hollow cutting table, and the top of the second gear is fixed with a rotating sleeve, and the rotating sleeve is a hollow with one end open. structure. In the present invention, the L-shaped cutting knife can cut food through the cooperative use of the driving motor, the first gear, the second gear, the rotating sleeve, the threaded rod, the fixing plate, the mounting shell and the connecting seat, which not only saves time and effort, but also saves time and effort. Moreover, the structure is simple and the manufacturing cost is low. Meanwhile, the spring provided makes the L-shaped cutting knife have a certain cushioning capacity during cutting, thereby prolonging the service life of the L-shaped cutting knife.

The invention relates to the technical field of leveling machines for broken stone roads, in particular to a broken stone leveling device based on internal punching pressure for the broken stone roads. The technical problem that the broken stone roads cannot be conveniently leveled by a press machine is solved. The broken stone leveling device comprises a front machine box; a thrust mechanism is fixedly connected to the back face of the front machine box; a driving mechanism is arranged at the top of the inner wall of the front machine box; two sides of the bottom of the driving mechanism arefixedly connected with the two sides of the inner wall of the front machine box correspondingly; and movable driving devices are fixedly connected to two sides of the front machine box. When smashingteeth are in contact with broken stones, a rod jaw is cooperated, and therefore contacting areas between the smashing teeth and the stones are increased, the stones can be smashed more thoroughly andmore comprehensively; and intervals between the rod jaw and the smashing teeth are reserved to reduce resistance when a hollow roller rotates.