27results about How to "Solve the impact" patented technology

The utility model relates to the technical field of tractor air inlet systems, in particular to a tractor air inlet system and a tractor, the structure of the tractor air inlet system comprises an air prefilter, the air prefilter comprises an outer net, and the outer net is installed in the middle of a prefilter shell; the filtering part is arranged on the inner side of the outer net, and an air inlet is formed in the filtering part; and the ash deposition basin is mounted at the lower part of the prefilter shell, and the bottom end of the filtering part is communicated with the ash deposition basin. According to the tractor air inlet system and the tractor, the problem that an existing air prefilter can discharge dust into air, and the working environment is affected can be solved.

The utility model provides an energy -saving type cowshed ventilation fan belongs to ventilation fan field, including fan frame and fan blade, the positive rear of fan blade is provided with drive motor, and drive motor's output is fixedly connected with the axle core department of fan blade, the fan blade is located the inside of fan frame, and drive motor is fixedly connected with fan frame through connecting piece, one side of fan frame is fixedly connected with two upper and lower symmetry connecting blocks, the bottom end of the connecting block of the most top is rotatably connected with connecting rod through bearing, and the bottom end of connecting rod penetrates and rotatably another connecting block through bearing and extends its downside. The utility model is favorable to the equipment orientation of installation completion convenient adjustment, can carry out equipment height adjustment according to the environment at will, reduces the operation difficulty of installation personnel and the later adjustment time, guarantees optimal wind direction and angle and carries out heat dissipation, realizes manual and energy double energy -conservation, solves the angle adjustment of convenient to it and the consumption of manual in prior art after fixing.

The utility model relates to pipe hoop formula high pressure exhaust nozzle, including sealing sheet and install the nozzle assembly on sealing sheet, the nozzle assembly includes: pressure relief spare, the medium flow channel is opened in pressure relief spare, and the cap body is rotatoryly arranged outside pressure relief spare, the first export and the second export are opened in cap body, the output direction level of first export, the output direction vertical of second export, the cap body transforms between first state and second state when rotating around pressure relief spare, first state, the medium flow channel is connected first export, second state, the medium flow channel is connected second export, the utility model discloses through setting up rotatable cap body outside pressure relief spare, and the communication state of first export of horizontal direction and second export of vertical direction and medium flow channel is switched with rotation, realizes the flexible adjustment of exhaust direction between side and top, breaks through the limitation of traditional exhaust nozzle fixed exhaust direction.

The application provides a mute buffer lock body, which comprises a lock body outer lining plate, a lock body box bottom assembly, a tongue peach mechanism, a latch assembly, a lock body box cover, the lock body box bottom assembly comprises a box bottom and a lock body inner lining plate; further comprising: a latch damper, a latch silencer block is embedded on the lock body inner lining plate, the latch assembly comprises a latch assembly mute buffer mechanism, the latch peach mechanism comprises a latch peach silencer assembly, noise generated by the latch assembly during use is eliminated through the latch assembly mute buffer mechanism, the latch damper, the latch silencer block and the latch peach silencer assembly. By using the application, the problem that noise is generated by the impact or friction between components of the lock body when the door is closed or opened can be solved.

The invention provides an efficient combustor and a low-load stable combustion boiler, and relates to the field of thermal power generation, the efficient combustor comprises a mounting cylinder, a connecting disc is fixedly arranged at the rear end of the interior of the mounting cylinder, a flow equalizing assembly is arranged in the mounting cylinder, a rotational flow assembly is arranged at the front end of the flow equalizing assembly, and a flow stabilizing assembly is arranged at the front end of the rotational flow assembly; a connecting assembly is arranged at the rear end of the connecting disc, a conveying assembly is arranged in the connecting assembly, an air supply assembly is arranged behind the connecting assembly, and a combustion-supporting assembly is arranged above the connecting assembly. By means of the flow equalizing assembly, resistance is reduced at high air pressure through the flow equalizing assembly, and energy consumption of the draught fan is reduced; the flow speed is increased at low wind pressure, so that airflow distribution and flow speed are uniform, flame drift caused by non-uniform flow speed at low load is avoided, airflow is ensured to enter a combustion area at the most ideal flow speed, and the combustion stability is improved.

The utility model relates to the technical field of furniture hardware, and discloses a double-material safety angle bead with anti-collision rubber particles and buffering rubber strips, which comprises a stainless steel angle bead, a silica gel anti-collision strip and the silica gel anti-collision rubber particles, the stainless steel angle bead comprises an arc-shaped angle bead body, the arc-shaped angle bead body is used for being installed at a corner of two adjacent door frame profiles, and the silica gel anti-collision rubber particles are arranged on the arc-shaped angle bead body. A tenon is arranged on the outer edge of the arc-shaped angle bead body, and the tenon is inserted into a profile groove of a corresponding door frame profile; the silica gel anti-collision strip comprises an arc-shaped base body, an arc-shaped anti-collision strip is arranged on the arc-shaped base body in the radial direction of the outer contour of the arc-shaped base body in an extending mode, and an arc-shaped opening is formed in the arc-shaped corner protection body along the outer contour of the arc-shaped corner protection body. According to the double-material safety corner protector with the anti-collision rubber particles and the buffering rubber strips, the anti-collision problem when an aluminum frame cabinet door and a cabinet body are closed and the buffering problem when the end of the corner protector collides with an object are solved.

This invention provides a terminal antenna that reduces the impact of human head and hand on the antenna. The terminal antenna includes a feed point, a ground point, a first stub trace, a second stub trace, and a third stub trace. An opening is provided between the first and third stub traces, and the first and second stub traces are symmetrical about the opening. The first and second stub traces are connected to form a first slot, and the third stub trace has a second slot. Adjusting the first and second slots controls the frequency band of the terminal antenna. This terminal antenna that reduces the impact of human head and hand on the antenna solves the problem of the significant influence of human head and hand on the antenna, improves the antenna performance in the presence of human head and hand, and reduces the impact of human head and hand on the antenna.

This invention discloses a remote control system for port container cranes. The system comprises a network monitoring module, a controller, a sensor array, a video encoder, and a remote operation terminal. The system utilizes the sensor array to acquire physical parameters such as spreader height, trolley and spreader speed, and distance from the top of the target container. It calculates the bandwidth allocation ratio coefficient for the region of interest in the video and sets mandatory numerical range constraints to achieve precise mapping between visual resources and operational urgency. To address the mechanical inertia of the trolley mechanism, the system employs a combination of trend prediction and physical boundary limiting to smoothly compensate for control commands. The rate of change of the predicted commands is limited by the maximum permissible acceleration, resolving motion misalignment issues caused by network jitter. This invention improves the system's fault tolerance under extreme operating conditions, ensuring high-definition feedback and inherent safety during remote container operations.

The invention relates to a method for recovering valuable metals in cobalt slag through ultrasonic strengthening, and belongs to the technical field of hydrometallurgy. According to the method, the cobalt slag produced in the zinc hydrometallurgy purification process is used as a raw material, two-step leaching is conducted on the cobalt slag under the ultrasonic wave condition, the first-step sulfuric acid concentration is 1.5-2.5 mol / L, and the second-step sulfuric acid concentration is 1, 5-2.0 mol / L. Compared with a traditional cobalt slag leaching method, the using amount of a reducing agent is reduced by 40%-50%, the reaction time is shortened to be within 50%, and the method is suitable for industrial production. According to the method, the high leaching rate of valuable metal in the cobalt slag is achieved under the normal pressure and the low temperature, and the slag amount is reduced by 24%-31%. By means of the method, segmented leaching of iron, zinc, cobalt and manganese is achieved, the obtained first-segment leaching solution does not contain manganese basically, and the technical problem that manganese and zinc need to be further separated from the leaching solution is solved; and iron in the cobalt slag is basically completely leached in the first step, so that the influence of iron on cobalt leaching is effectively avoided or reduced.

The application relates to the technical field of martensitic steel, in particular to a martensitic steel ring-shaped forge piece, the ferrite in the structure of the ring-shaped forge piece is uniformly granularly distributed, the transverse tensile strength of the ring-shaped forge piece is 1214-1235 MPa, the elongation after fracture is 13.5%-14.0%, and the average impact energy is greater than or equal to 50 J; the ring-shaped forge piece is prepared through a heat treatment process of high-temperature tempering pretreatment, ultrahigh-temperature treatment, standard quenching treatment and twice tempering treatment. The martensitic steel ring-shaped forge piece provided by the application solves the problem of low transverse plasticity and impact performance of the martensitic stainless steel ring-shaped forge piece, and the ultrahigh-temperature treatment and tempering are adopted to realize the optimization and adjustment of the structure form and performance, so that the transverse plasticity and impact energy indexes of the material meet the standard requirements of GB / T 1220.

The application discloses a power supply system and control method for a security patrol vehicle. The system includes a main power supply, a capacitor unit, a converter, a power distribution module and a controller. The controller obtains vehicle chassis data, load operating state and pre-trigger signals of control components; predicts future power demand based on the pre-trigger signals, generates a predicted power trajectory; generates a main power supply target power curve accordingly, and calculates capacitor charging and discharging power instructions; simultaneously, adjusts the pre-charge voltage of the capacitor unit in advance according to the expected energy demand. The application realizes active forward-looking prediction of power demand by intercepting pre-trigger signals, and adjusts the capacitor energy storage state in advance, solving the bus voltage drop problem caused by high-power pulse loads. In addition, the application also proposes a dual-capacitor dynamic master selection strategy based on a comprehensive availability index and a frequency domain decoupling cooperative control mode, improving the transient response speed, reliability and energy utilization efficiency of the power supply system.

The utility model discloses a kind of ground wire through floor waterproof metal protection pipe, it is related to building electromechanical lightning protection and grounding technical field, including bottom plate, fixed hole, fixed iron nail, ground wire through square hole, metal protection pipe, waterproof ring wing, bolt hole, bolt, jumper yellow-green bicolour line and ground wire;Fixed hole is set in bottom plate edge;Ground wire through square hole is set on bottom plate, and penetrates bottom plate;Metal protection pipe is welded on bottom plate, and welded waterproof ring wing, bolt hole and bolt are equipped on metal protection pipe upper portion;Ground wire passes through metal protection pipe by ground wire through square hole, and inlay fills fire clay, bolt hole and bolt are equipped on ground wire;Jumper yellow-green bicolour line is effectively fixed on metal protection pipe and ground wire by bolt hole and bolt, forms through guide.The utility model can effectively solve that ground wire is easily damaged or dropped by accidental impact, and the periphery of protection pipe is easily leaked, fireproof plugging is not strict, and the problems such as pre-buried positioning are not accurate.

The invention discloses a thermal-electric-chemical coupled solid oxide stack which comprises a lower end plate and an upper end plate, and a plurality of SOFC (solid oxide fuel cell) single cells and SOEC (solid oxide electric cell) single cells are arranged between the lower end plate and the upper end plate; each SOFC single battery comprises an SOFC cathode, an SOFC electrolyte and an SOFC anode which are crimped in sequence; each SOEC single battery comprises an SOEC cathode, an SOEC electrolyte and an SOEC anode which are crimped in sequence; the chamber where the SOEC anode is located is communicated with the chamber where the SOFC cathode is located, and oxygen generated by electrolysis of the SOEC anode can enter the SOFC cathode side to participate in the reaction; and the SOFC single batteries and the SOEC single batteries are electrically connected in series through connectors or current collectors. According to the invention, the SOFC units and the SOEC units are arranged in the same electric pile alternately or in blocks, and specific gas paths and circuits are opened, so that gradient utilization of energy and efficient and stable operation of the system are realized.

The invention relates to a semi-coke wastewater double-carbon-source biochemical treatment system and process, and the process comprises the following steps: pretreated semi-coke wastewater enters a front anoxic tank for denitrification reaction to remove COD and total nitrogen; effluent of the front anoxic tank enters an aerobic tank to be subjected to carbonization and nitration reaction, organic matters are removed, and ammonia nitrogen is converted into nitrite nitrogen and nitrate nitrogen; effluent of the aerobic tank enters a rear anoxic pretreatment tank for endogenous denitrification reaction; the mixed liquid in the rear anoxic pretreatment tank flows back to the front anoxic tank, and the reflux ratio is 400%-800%; and effluent of the post-anoxic pretreatment tank is subjected to mud-water separation and post-treatment to reach the standard and then is recycled. Mixed liquid backflow is carried out at the tail end of the rear anoxic pretreatment tank, the device has the advantages of being resistant to toxicity and impact, simple in technological process and low in operation cost, meanwhile, a large backflow ratio is adopted, nitrate nitrogen is removed, and meanwhile impact of biotoxicity on a biochemical system and inhibition of the biotoxicity on microorganisms are reduced.

The utility model relates to the field of auxiliary starters, in particular to an auxiliary starter and a transmission structure thereof, the auxiliary starter comprises a starting shaft and a coil spring, an inner pin of the coil spring is clamped on the starting shaft, the auxiliary starter is characterized by further comprising a starting cover and an isolator, the starting cover is arranged at the tail end of the starting shaft, the isolator comprises an inner ring and an outer ring, and the inner ring is arranged on the outer ring. The isolator is arranged at the end of an engine spindle, an inner ring of the isolator is fixedly connected with the spindle, and the starting cover is connected with an outer ring of the isolator. When the coil spring stores energy, the outer ring idles, and when the coil spring releases energy, the outer ring is linked with the inner ring. The starting cover is matched with the isolator, so that the safety and the stability of a product are improved, and the service life of the product is prolonged.

The utility model relates to the field of pipe stem conveyer, especially grasp formula feeding mechanism, including portal, the side fixed connection of portal has rack, the side of portal is provided with driving gear, driven gear, is provided with between the portal elevating support, the side of elevating support is provided with electromagnetic clutch, is provided with between the portal elevating mechanism that elevating support is lifted through rack, driving gear, driven gear control, the side of portal is provided with feeding arm, is provided with first jaw, second jaw on feeding arm, is provided with on feeding arm control first jaw, the catch mechanism that second jaw carries out the catch of feeding arm, portal fixedly connects with first connecting plate, the side of first connecting plate is provided with clamping plate, the side of first connecting plate is provided with control clamping plate and the fixed mechanism that portal carries out the fixation, the utility model discloses when using, can through catch mechanism and elevating mechanism solve the noise and impact problem when the pipe stem conveyer pipe column feeding.

This invention discloses a composite impact-driven drilling tool, belonging to the field of oil and gas drilling technology. Addressing the problems of poor tool adaptability and asynchronous impact and reversing in existing technologies, this invention proposes a quantitative design method based on the fluid-structure interaction coefficient. The tool's actuating valve assembly includes a coaxially nested inner sleeve and a reversing valve, controlling fluid flow direction through a distribution structure. This invention defines the coupling coefficient between the geometric parameters of the reversing valve and the hydrodynamic parameters. This coefficient is jointly determined by the circumferential impact torque, reversing rotation angle, drilling fluid discharge rate, nozzle pressure drop, and the equivalent hydraulic diameter of the reversing valve, and is controlled within a specific preset range. Through the above quantitative design, the inverse relationship between the reversing angle and the discharge rate is forcibly constrained, achieving efficient synchronization of impact and reversing across the entire discharge range, effectively solving the problems of "idling" or "jamming," and significantly improving rock-breaking efficiency.

The application provides a mute buffer lock body, which comprises a lock body outer lining plate, a lock body box bottom assembly, a square tongue assembly, a latch tongue pushing mechanism, a latch tongue assembly, a lock body box cover, the lock body box bottom assembly comprises a box bottom and a lock body inner lining plate; further comprising: a square tongue damper, a latch tongue damper, a square tongue silencing block and a latch tongue silencing block are embedded on the lock body inner lining plate, the square tongue assembly comprises a square tongue assembly mute buffer mechanism, the latch tongue assembly comprises a latch tongue assembly mute buffer mechanism, the latch tongue pushing mechanism comprises a latch tongue pushing silencing assembly, noise generated in the use process of the square tongue assembly is eliminated through the square tongue assembly mute buffer mechanism, the square tongue damper and the square tongue silencing block; noise generated in the use process of the latch tongue assembly is eliminated through the latch tongue assembly mute buffer mechanism, the latch tongue damper, the latch tongue silencing block and the latch tongue pushing silencing assembly. By using the application, the problem that noise is generated due to the impact or friction between components when the lock body is closed or opened can be solved.

This invention relates to the field of fiber optic sensing technology and discloses a dynamic balancing scheduling system for shirt hanging systems based on fiber optic sensing. The system includes a hanging assembly line track, multiple hangers, a hanger drive device, a control device, a fiber optic sensing device, a station counting device, and a timeout monitoring device. The fiber optic sensing device includes a fiber optic demodulator and multiple sets of fiber Bragg grating sensors, all of which are arranged along the hanging assembly line track. The station counting device includes multiple station counting units located at the entrance of each station on the hanging assembly line. The timeout monitoring device includes multiple timeout monitoring units located at each station on the hanging assembly line. The control device controls the hanger drive device based on the hanger status, the number of hangers at each station, and the timeout signal. Therefore, this invention utilizes fiber optic sensing devices to monitor the status of all hangers, and then, combined with the number of hangers at each station and the dwell time of each hanger, schedules the entire assembly line to achieve dynamic balancing, thereby improving production efficiency.

The utility model provides an intelligent container with goods identification and theft prevention, which comprises a container and an anti-closing mechanism, the anti-closing mechanism comprises a cabinet door, a door handle, a pressing block, a light spring, a fixing plate and a clamping block, and the cabinet door is arranged on the outer wall of the container; the door handle is fixed on the outer wall of the cabinet door; the pressing block is arranged in the door handle; the light spring is arranged on the inner wall of the pressing block; the fixed plate is fixed on the inner wall of the door handle; the clamping block is connected with the pressing block; a clamping groove is formed in the inner wall of the container. According to the anti-theft intelligent container with the cargo identification function, the anti-closing mechanism and the protection mechanism are arranged, so that the problems that inconvenience is possibly caused by accidental closing of the container door in the using process of a traditional intelligent container, and cargoes are possibly impacted and damaged in the replenishing and transporting processes are effectively solved.

This invention provides an experimental platform for testing the influence of a bridge resonant frequency on a hydraulic wave compensation platform. The platform comprises, from top to bottom, a bridge simulation device, a single-degree-of-freedom compensation platform, and a single-degree-of-freedom excitation platform, all mounted within an integrated mounting bracket. The single-degree-of-freedom compensation platform includes, from top to bottom, an upper platform, a short spring, and a compensation electric cylinder. The bridge simulation device includes a long spring and a mass block. The single-degree-of-freedom excitation platform includes a lower platform, an excitation electric cylinder, and a servo motor driver. This invention, by employing a structure combining a long spring and a mass block as a load, vertically mounts the single-degree-of-freedom compensation system to simulate the situation of a bridge being installed on a wave compensation platform. This helps solve the problem of difficulty in experimentally measuring the influence of a bridge on the wave compensation platform control system, simplifies the experimental test system structure, reduces system size, and lowers costs.

The invention provides an aircraft, cable and boat consistency cross-domain cooperative control method and system based on model prediction, and relates to the technical field of cross-domain unmanned system cooperative control, and the method comprises the steps: constructing an unmanned aerial vehicle-water supply cable-unmanned boat cross-domain cooperative prediction model; acquiring system operation state information; generating dynamic compensation information through a neural network to correct the prediction model; constructing a consistency error state; building a model prediction control optimization problem based on the corrected model and the error state, and solving the problem to obtain an optimal control instruction; and outputting an instruction to an execution mechanism to realize collaborative movement. According to the method, the neural network is introduced to carry out online compensation on uncertain items of the model, and rolling optimization is carried out under a multi-constraint condition by utilizing model prediction control, so that the technical problems of low cooperative consistency control precision and insufficient robustness of a cross-domain heterogeneous platform in a complex environment are solved; and the cooperative control precision and the operation safety of the cable boat system are obviously improved.

The utility model relates to tunnel construction technical field provides a kind of embedded waterstop installation structure in plain concrete section, comprising: formwork system, with the initial support to form two lining to be poured area;Formwork system includes the head board of being located at two lining to be poured area side, head board is equipped with along the length direction of two lining to be poured area through-hole;Waterstop, along the length direction of two lining to be poured area is laid;Waterstop includes the first side and second side along width direction, first side is inserted into two lining to be poured area by through-hole;Positioning mechanism is set in two lining to be poured area, suitable for first side clamping and fixed on head board.Such setting, can effectively solve the problem that waterstop is easily impacted by concrete and produces deviation, and waterstop local deformation, tear, fracture, be lead wire or steel wire puncture and other problems, to ensure that the structural integrity and the accuracy of position of waterstop in fixed and concrete pouring process, to improve waterstop effect.

The utility model relates to a water pipe connector with a filtering device, and belongs to the technical field of water pipe connecting equipment. The water pipe connector comprises a first connecting body, a filtering part and a second connecting body which share the same center line, the first connecting body is in threaded connection with the second connecting body, and the filtering part is arranged between the first connecting body and the second connecting body. The first connector is provided with a first protrusion, a first threaded part, a water outlet hole, a first limiting part, a second threaded part and supporting parts, and the supporting parts are evenly distributed on the periphery of the water outlet hole. The filtering part comprises a first filtering part and a second filtering part which have a filtering function, and a structure with a plurality of small holes or filtering flannelette can be adopted; a clamping part, a water inlet channel, a sunken part and a third threaded part are arranged on the second connecting body, the second threaded part is in threaded connection with the third threaded part, and the first filtering part is arranged close to the supporting part. The first connecting body can be made of a transparent PP plastic material. The filter is simple in structure, good in filtering effect and long in service life, and the filtering condition is convenient to observe.

The utility model discloses a kind of electric swing device, including fixed seat, drive motor is equipped in the fixed seat, and power supply component for powering drive motor, the drive motor is connected with planetary gear reduction structure, the planetary gear reduction structure includes sun gear connected on the output shaft of drive motor, planetary carrier is rotatably connected on fixed seat, shell is fixedly connected on fixed seat, ring gear is arranged on shell, and planetary gear is rotatably connected on planetary carrier and simultaneously meshed with sun gear and ring gear, swing bar is rotatably connected on the planetary gear, the other end of the swing bar is rotatably connected with movable seat, first fastening structure is equipped on the fixed seat, second fastening structure is equipped on the movable seat, the first fastening structure and second fastening structure are used to install the electric swing device to the article to be driven on. The utility model has the advantages of low noise, easy to install.

The utility model relates to a micro centrifugal pump with improved pump cover structure, which comprises a pump body, a stator fixedly arranged on the pump body, a rotor rotatably installed on the pump body and a pump cover arranged on the pump body, and the pump cover is provided with a water inlet and a water outlet, characterized in that: the inner cavity bottom surface of the area of the pump cover close to the water outlet is axially protruded with a first protruding rib and a second protruding rib distributed on both sides of the water inlet axis of the pump cover, and the first and second protruding ribs are provided with a gap at the water inlet axis, and the inner cavity bottom surface of the area of the pump cover away from the water outlet is axially concave to form a groove connected with the water inlet. Through the above design, the inhaled air can be effectively treated to accelerate exhaust in the area of the pump cover close to the water outlet, and to collect and guide air in the area of the pump cover away from the water outlet, thereby solving the problem of air impact on the pump cover and the rotor caused by excessive air intake during the operation of the micro centrifugal pump, and improving the operation stability of the pump.

The utility model discloses a noise reduction device for campus building construction, and belongs to the technical field of building construction noise reduction. A sound insulation mechanism is arranged in a groove of the U-shaped base, a first threaded hole is formed in the groove, first containing grooves are formed in the outer wall of the U-shaped base, a second buckle is fixed in each first containing groove, a fixing rod is placed in each first containing groove and clamped through the corresponding second buckle, and a threaded rod is fixed to one end of each fixing rod. The other end of each fixing rod is provided with a second threaded hole matched with the corresponding threaded rod, each threaded rod is used in cooperation with the corresponding first threaded hole or second threaded hole, and each fixing rod is used in cooperation with the sound insulation mechanism. Due to the characteristics of simple structure, convenience in mounting and dismounting, strong adaptability, easiness in maintenance, enhanced wind resistance, convenience in carrying and storage and the like, the problem that the noise of campus building construction affects the surrounding teaching environment and the normal life of students and faculty workers is effectively solved; and a feasible solution is provided for noise prevention and control of campus building construction.