79results about How to "Avoid violent impact" patented technology

The invention discloses a flexible robot for narrow space detection. The flexible robot comprises a control unit, a motor unit, a pneumatic unit, a cable unit and a telescopic sleeve unit, wherein thecontrol unit is connected with the motor unit and the pneumatic unit respectively; the cable unit comprises multiple cables; the first ends of the multiple cables are fixedly connected to the inner walls of the first end of the telescopic sleeve unit, and the second ends of the multiple cables penetrate through the second end of the telescopic sleeve unit, and are connected to the motor unit, sothat the motor unit controls extension and contraction of the multiple cables; the first end of the telescopic sleeve unit is of a closed structure; and the pneumatic unit is used for inflating or deflating a telescopic sleeve from the second end of the telescopic sleeve unit. The flexible robot for narrow space detection realizes high-precision control, and also realizes extending motion of a continuous mechanical arm.

The invention discloses a crash- and pressure-proof packing case, to solve the technical issue that a present packing case is poor in weight-bearing capacity and pressure-bearing capacity, and goods in the packing base may be easily damaged. The crash- and pressure-proof packing case has a case body which is composed of side walls, an upper cover plate and a bottom plate which are connected together. A cavity is disposed in the side walls, film bags are disposed in the cavity and contain ammonium nitrate. The inner surface of the case body is provided with through holes communicating with the cavity, and elastic gasbags cover on the through holes. When the packing case is strongly crashed or pressed, the ammonium nitrate decomposes to generate a lot of nitrogen dioxide and water vapor, the film bags burst, and the elastic gasbags are full of gases to prevent goods in the packing case from being strongly crashed or pressed, so as to protect the goods. The crash- and pressure-proof packing case can be used for transporting or storing frangible products or fruit.

The invention discloses a magnetic wheel radial sealing device of a rotary air preheater, and belongs to the field of power plant boiler equipment. The device comprises a fan-shaped plate, a rotor, magnetic sealing wheels and rotating rods; the fan-shaped plate is arranged at the outer periphery of the rotor; the surface, towards the rotor, of the fan-shaped plate is a magnetic surface; the rotorcomprises cabin separation plates arranged among all cabins of the rotor; the ends, near the fan-shaped plate, of all the cabin separation plates are hinged with the rotating rods; and the magnetic sealing wheels capable of absorbing the magnetic surface are arranged at one ends of all the rotating rods. The device has the characteristics of simple structure, convenience to install and maintain, high heat deformation adaptability of the rotor and low wear degree of sealing pieces, and can effectively achieve the purposes of reducing radial air leakage of the rotary air preheater and improvingthe operation efficiency of the air preheater.

The invention discloses a control device of a DC motor for lowering a roller shutter door at constant speed, which comprises a rectifying module, a sampling comparison module, a switch module and a load module, wherein the switch module is serially connected with the load module and then parallelly connected to both ends of the DC motor; the input end of the rectifying module is parallel connected to both ends of the DC motor to rectify voltage signals at both end of the DC motor; and the sampling comparison module is connected with the output end of the rectifying module and he switch module and samples the rectified voltage signals, and the sampling comparison module sends out a control signal to the switch control according to a comparison result after a sampling value is compared with a setting value. The control device can block voltage at both ends of the DC motor within a certain range so as to lower the roller shutter door at constant speed, prolong the service life, and eliminate potential safety hazard. The invention also discloses a method for controlling the DC motor to lower the roller shutter door by using the device.

The invention discloses a packaging device for freeze-dried food. The packaging device comprises a base; a support is fixedly connected to one side of the top of the base; a fixed pulley is rotationally connected to the top of the support through a bearing; a handle is fixedly connected to one side of the top of the fixed pulley; a fixing arm is fixedly connected to the top of one side of the support; a fixing sleeve is fixedly connected to one end of the fixing arm; a feeding hopper is rotationally connected to the inner wall of the fixing sleeve; a groove is formed in the inner wall of the bottom of the fixing sleeve; and uniformly-distributed balls are arranged in the groove. According to the packaging device, when an opening in the bottom of a discharging hopper is blocked, the fixed pulley is rotated through the handle, the feeding hopper is driven to rotate by the aid of a triangular belt, the dredging efficiency of the feeding hopper is increased by the aid of the centrifugal force of the freeze-dried food, during rotation of the feeding hopper, a clamping ring rotates along the tops of the balls, the sliding friction between the clamping ring and the fixing sleeve is converted into rolling friction by the balls, and thus the loss rate of the device is reduced.

The invention discloses a waste recovery device for automotive interior trim production. The waste recovery device comprises a base. One side of the top of the base is fixedly connected with a box, and the top of one side of the box is in bolted connection with a feeding barrel. The inner wall of the middle of the feeding barrel is fixedly connected with a discharging plate, and the bottom of thedischarging plate extends into the box. In the use process, the distance between waste and a crushing roller is gradually reduced in the process that the waste slides down from the discharging plate,the waste can be extruded sufficiently, the waste sizes can be reduced effectively, and subsequent further crushing work is facilitated; by means of crushing teeth on the surface of the crushing roller, the pressure intensity applied to the waste can be increased, and the crushing effect can be optimized; and an air pipe joint is connected to an air supply system, airflow is blown to the crushingroller through a spray head, scraps adhering to the surface of the crushing roller are cleared away, the waste with the sizes reduced falls between a driving roller and a driven roller, and the wasteis subjected to crushing treatment of the next step through engaged blades.

The invention relates to an oil-water separation system with efficient electromagnetic synchronous cooperation, comprising a reinforced coalescing device and a precipitating separating device and characterized in that a drain pipe liquid distributor is arranged at the inner bottom of the precipitating separating device, the reinforced coalescing device is provided with an electromagnetic coalescing component, a liquid-distributing orifice plate is arranged between an inlet head and the electromagnetic coalescing device, the electromagnetic coalescing component includes an electric field generating component and a magnetic field exciting component which are in coaxial distribution; an electric field and a magnetic field are orthogonally distributed to arrive at synchronous cooperation. Theelectric field generating component includes a grounding external electrode and an axial electrode coated with an insulating sleeve, allowing electric field intensity to be increased to 350 kV/m; themagnetic field exciting component includes outer and inner coils coaxially and hermetically sleeving the external electrode, the outer coil is greater than the inner coil in the number of turns, and the outer coil and the inner coil are contained in a self-circulating cooling sleeve. The oil-water separation system has the advantages that oil-water separation efficiency is significantly improved,oil-water separation range is significantly widened, the system is capable of treating oil-water emulsions having a water content of up to 40%, and therefore, the system is widely applicable to efficient and stable equipment and facilities for oil-water separation on land and sea.

The invention discloses a slope form gravity type falling channel system for a falling type automatic sorting system. The slope form gravity type falling channel system mainly comprises a slope form gravity type falling channel and a plurality of electric control doors arranged on the falling channel. In the practical application, the slope form falling channel system is connected with an information sensing device, an electric control system and a receiving device which is in butt joint with the electric control doors to form a sorting system; by adopting the channel system, when a heavier article is sorted, violent impact, caused by over-large article speed, between the article and the electric control doors is avoided, and the heavier article can also be efficiently sorted in a low-costmode by adopting the falling type automatic sorting system.

The invention discloses a drop-resistant tablet computer. The drop-resistant tablet computer comprises a computer body, a power port, a menu key, a headphone jack, anti-collision foot pads, a loudspeaker port, a microphone port, a front camera, an anti-radiation film, a touch display screen, an outer wall, a dust-removing-wave generator, a circuit board, dust-removing glass, a lower base, a slot,a fastener, a support rod, a rotary shaft and a cushion, wherein the power port and the headphone jack are formed in one side of the computer body, the anti-collision foot pads are mounted at the fourcorners of the computer body, the other side of the computer body is provided with the loudspeaker port and the microphone port, the lower base is mounted at the bottom of the computer body, one sideof the lower base is provided with slot, the slot is connected with the support rod through the rotary shaft, the fastener is mounted on one side of the support rod, and the cushion is mounted on theother side of the lower base. The tablet computer has functions of water-free dust removing, drop resisting and buffering and support supporting, and the use safety of the tablet computer is increased.

The invention relates to a novel masonry structure device capable of resisting debris flow impact. The novel masonry structure device capable of resisting debris flow impact comprises a steel grid network, a damping sandwich layer, non-linear damping alloy sheets and rubber cushion blocks. The device is wrapped outside a wall body of a masonry structure, and the steel grid network is connected with a foundation and a floor plate through modes of an inhaul cable and the like. The damping sandwich layer is arranged between the steel grid network and the wall body, a plurality of square holes are formed in the damping sandwich layer, and a non-linear damping alloy sheet and a rubber cushion block are arranged in each square hole. The steel grid network intercepts the debris flow to avoid a horizontal fury impact on the masonry structure under the impact effect of the debris flow. Because the steel grid network bears giant impact force, the steel grid network is deformed, and squeezes the non-linear damping alloy sheets and the damping sandwich layer. The non-linear damping alloy sheets are buckled and then absorb the impact energy, and alloy sheet buckling has the characteristic of sharp declination of rigidity to have a buffering effect on the masonry structure. The novel masonry structure device has a good protective effect on the masonry structure, so that horizontal impact resistance performance of the masonry structure is obviously improved.

The invention discloses a soft stop control method of a car electric window anti-pinch control system based on current sampling. When window glass is in a rising state, a car window anti-pinch controller is used for collecting motor current in a car window glass lifting driving mechanism, and calculating the position of the current automobile window glass and the motor parameters in the car windowglass lifting driving mechanism according to the acquired motor current; and when the position of the window glass and the parameter value of the motor in the lifting driving mechanism reach a set threshold value, the car window anti-pinch controller cuts off the power supply in advance and controls the car window glass to automatically stop ascending through the car window glass lifting drivingmechanism, and then the car window glass lifting driving mechanism is used for controlling the car window glass to abut against the top of the car window at a certain force. According to the control method, on the premise that the car window is completely closed, the car window system protection function can be achieved, and the control method not only has the soft stop function of the top of thecar window, but also can guarantee the complete closing function of the car window.

The invention discloses a breakage-proof telescopic feeder for loading. The breakage-proof telescopic feeder comprises an unloading device, wherein a material flattening device and a supporting device are sequentially arranged below the unloading device; the unloading device comprises a chute section and an unloading gate arranged below the chute section; the chute section comprises an inner fixed chute and an outer movable telescopic chute; and the outer movable telescopic chute slides up and down in a dovetail slot type slide rail formed in the inner fixed chute. The material flatting device comprises a scraper coal dialing machine which comprises a scraper plate; the scraper plate is connected to a scraper coal dialing machine drive device through a scraper plate chain and a head chain wheel in sequence; and the scraper plate coal dialing machine is connected to a winding electric roller through a lifting steel wire rope. The breakage-proof telescopic feeder for loading can effectively prevent fierce impact and breakage of block coal, is reliable in structure, is convenient to mount, is good in effect, is low in investment cost, is simple in structure, is good in working stability, is low in fault rate, is long in maintenance period, and is safe and environmentally-friendly.

The invention relates to a suspension support used for improving collision performance, a power assembly structure and an automobile. The suspension support comprises a first auxiliary frame mounting part, a suspension front arm and a power assembly mounting part, wherein the suspension front arm is fixedly connected between the first auxiliary frame mounting part and the power assembly mounting part, the first auxiliary frame mounting part is used for being fixedly connected to an auxiliary frame of an automobile, the power assembly mounting part is used for being fixedly connected with a power assembly of an automobile, and the suspension support is arranged to be broken at the suspension front arm when the power assembly of the automobile is extruded on the suspension front arm. The suspension support is designed into a collision fracture structure, so the suspension support is fractured when the automobile is collided, and the power assembly of the automobile is prevented from colliding and extruding an automobile body front wall structure; a problem that in the prior art, when the automobile is collided, the power assembly of the automobile extrudes a passenger compartment and seriously deforms, and passengers in the automobile are seriously collided and hurt is solved.

The invention belongs to the technical field of fuel supply for internal combustion engines, and in particular, relates to a novel structure low-temperature pump. The novel structure low-temperature pump comprises a cold end area, an air-state cooling area and a hot end area; the air-state cooling area is arranged between the cold end area and the hot end area; the cold end area comprises a cold end pump body and a vacuum insulation cover; a cold end piston is arranged in the cold end pump body; the end part of the cold end piston is designed in a ring groove opening form; the head part of a cold end connecting rod is mounted in a piston opening ring groove; the hot end area comprises a hot end piston; the hot end piston is mounted in a hot end pump body; a pressure relief device is arranged on the hot end piston; a displacement sensor is arranged on the hot end pump body; and a high-pressure air pipe is arranged in the air-state cooling area. The novel structure low-temperature pump has the following beneficial effects: liquefied natural gas in a low-temperature tank can be totally pumped out to improve the vehicle endurance; the structure is simple and effective; the reliabilityis improved; the machining manufacturability is excellent; and the batch production is convenient.

The invention discloses a road safety well. The road safety well comprises a well cover body and a well cover seat which is fixed to the inner upper end of a well mouth; the well cover seat is annular; the distance between the upper end surface of the well cover seat and the top end of the well mouth is equal to the thickness of the well cover body, and a plurality of through holes are uniformly distributed in the well cover seat; installation tables are fixed to the inner wall of the portion, under the through holes, of the well mouth; air cylinders with the openings facing downwards are disposed on the installation tables; ventilation holes used for making the lower portions of the interiors of the air cylinders communicate with the well mouth are formed in the installation tables; and aplurality of air guiding grooves extending from the center of the well cover body to the edge of the well cover body are uniformly formed in the lower end of the well cover body. Usage is convenient,the impact speed and impact force of the well cover body are greatly reduced when an explosion occurs through repeated buffering and energy absorbing, the bouncing height of the well cover body is limited, and too high bouncing is avoided so that pedestrians cannot be affected or injured; automatic and accurate restoration can be achieved after explosion occurs; the well cover body is not prone to being damaged, and the service life of the well cover body is prolonged; and installation and maintenance are convenient.

The invention discloses a high-strength stainless steel road guardrail, and belongs to the technical field of traffic facilities. The high-strength stainless steel road guardrail comprises stand columns and guardrail plates, more than two anti-blocking pieces are fixed on each stand column, and the anti-blocking pieces are fixedly connected with the guardrail plates through guardrail connecting reinforcing plates; each anti-blocking piece comprises two buffer sleeves which are sequentially connected between the corresponding stand column and a guardrail connecting reinforcing plate, and the two buffer sleeves are fixedly connected in the radial direction. An impact contact plane is arranged at the outermost end of the side, facing the road, of each guardrail plate, and the two ends of theimpact contact plane extend to the two ends of the guardrail plate respectively. Guardrail reinforcing ribs are arranged on the sides, deviating from the road, of the guardrail plates, and the guardrail reinforcing ribs, the stand columns, the guardrail plates, the anti-blocking pieces and the guardrail connecting reinforcing plates are all made of high-strength stainless steel materials. The high-strength stainless steel road guardrail solves the problems that an existing road guardrail is not high in strength and corrosion resistance, unstable in structure and poor in buffering performance,cannot provide good protection for drivers and passengers of various vehicle types and is insufficient in safety protection performance.

The invention discloses a novel automobile safety seat. Safety fences (7) are respectively arranged on the two side surfaces of an arc bottom plate (1); the safety fences (7) are arranged in the formof waves; safety airbags I (8) are arranged on the internal sides of the upper ends of the safety fences (7); safety airbags II (9) are arranged on the internal sides of the lower ends of the safety fences (7); and safety belts I (10) are arranged on the lower ends of the safety fences (7). According to the novel automobile safety seat, the safety problems of children during running can be effectively guaranteed and warning prompt can be given to guarantee safety running.

The invention relates to the field of bioengineering, and discloses a cell culture chamber and a culture vessel with the same. The cell culture chamber comprises a top plate, a bottom plate, a supporting piece, microporous membranes and a gasbag assembly; through holes are formed in the top plate and the bottom plate correspondingly, and the top plate and the bottom plate are oppositely arranged in the up-down direction and connected through the supporting piece; the periphery of the top plate and the periphery of the bottom plate are sealed through the corresponding microporous membranes, andthe inner circumference of the top plate and the inner circumference of the bottom plate are sealed through the corresponding microporous membranes, so that sealed storage spaces are defined by the top plate, the bottom plate and the microporous membranes; and a sample adding hole is formed in the top plate and communicates with the storage spaces, and the gasbag assembly is mounted on the top plate and is protruded out of the peripheries of the microporous membranes on the outer side. The cell culture chamber and the culture vessel with the same have the beneficial effects that the cell culture chamber can float on a culture medium, cells in the chamber are fully subjected to gas exchange with the outside, by mounting a gasbag, the chamber can be further prevented from directly and violently colliding with the cell culture vessel, and the structure stability of the chamber is kept.

The invention provides an impact resisting check valve. The impact resisting check valve is composed of a valve body, a valve seat, a valve clack, an elastic piece and a valve cover. The valve clack is arranged on the valve seat in a vertical moving mode. The elastic piece is arranged on the valve clack in a sleeving mode to make the valve clack have the tendency of being closed to the valve seat. A guide sleeve and a fixing plug are fixedly arranged above a middle cavity of the valve body. The fixing plug is located in the middle of the guide sleeve and extends downwards. The upper portion of the valve clack is arranged in the guide sleeve in a vertical sliding fit mode. A receding space is arranged above the valve clack and located on the guide sleeve. A piston hole for the fixing plug to be inserted therein is formed in the valve clack. A through hole communicated with the middle cavity is formed in the bottom of the side wall of the piston hole. A buffering structure hole communicated with the piston hole and the middle cavity is formed above the through hole. The buffering structure hole vertically extends in the length direction of the buffering structure hole. The buffering structure hole is provided with an upper section and a lower section which are communicated. The moving speed of the valve clack is controlled through the relative position relation of the fixing plug and the buffering structure hole. Impact force produced between the valve clack and the valve seat when the valve clack is closed is prevented, and therefore the service life of the valve is prolonged.

The invention discloses a batch carrying device for glass beakers. The batch carrying device comprises a box body; clamping mechanisms are arranged at the positions, located at the lower portion of a handle, of the left and right sides of the box body; driving plates are arranged at the lower parts of the left and right end surfaces of the box body; a negative pressure adjusting mechanism is arranged on the front end face of the box body, an adsorption type fixing mechanism is arranged at the bottom of the box body, through the arrangement of the adsorption type fixing mechanism and a top cover, the phenomenon that the bottoms of the glass beakers and the bottom end face in the box body violently collide can be effectively avoided, and therefore the yield of the glass beakers during transportation is increased; and through cooperation of the clamping mechanisms and the driving plates, when the box type carrying device is carried by a worker, the hand slipping phenomenon is not prone to occurring, and the problems that when an existing box type carrying device is transported on a transport vehicle, part of glass beakers are still broken in the transport process, and when the box type carrying device is carried by the worker, the hand slipping phenomenon is easy to occur are solved.