109results about How to "Avoid direct damage" patented technology

The bean sprout cultivating method includes the production links of cultivation, packing, preserving, etc. Bean seeds are set directly inside the package, where the bean sprout is cultivated and packed hermetically. The said method can avoid damage and deformation of bean sprout, preserve bean sprout for relatively long time and make selling easy.

The invention discloses a marine detection device convenient for sampling. A fixed collecting plate is welded to the inner side of a mounting pipe, an ascending pipe penetrates through the top end of the fixed collecting plate, an extraction block is placed on the inner side of the ascending pipe, an extraction electric push rod is connected to the top end of the extraction block, a connecting rope is slidably clamped to one end of the inner side of a storage cylinder, and a buoy is connected to one end of the connecting rope. The other end of the connecting rope is connected with a U-shaped clamping plate, and a sealing limiting block is clamped to the inner side of the sliding opening. Sea water is discharged into the storage cylinder through the water outlet pipe, the needle cylinder principle is utilized, the sea water stably enters the storage cylinder, meanwhile, the injection height of the sea water is limited, the situation that the sea water overflows due to the fact that the sea water is injected from the top end is avoided, the service life of the sea water storage device is prolonged, and the service life of the sea water storage device is prolonged. The water inlet is limited through the limiting spring and the sealing limiting block, seawater is prevented from spilling out when the storage barrel moves, and therefore the sealing effect of the storage barrel is guaranteed, internal parts are protected, and the parts are prevented from being soaked in the seawater.

The invention discloses a method of anti-leak treatment on a petroleum drilling place by adopting a composite geo-membrane, relating to the technical field of adopting composite geotechnical materials to treat leakage of the petroleum drilling place. The method comprises the following steps of firstly, leveling the place; secondly, paving the composite geo-membrane; thirdly, paving a leakage pipeline: arranging the leakage pipeline at a position of easily having leakage; fourthly, paving a lime-ash stabilizing layer: with crushed stones, lime and fly ash as raw materials, paving the lime-ash stabilizing layer on the composite geo-membrane, wherein the lime-ash stabilizing layer comprise the following raw materials in percentage by weight, calculated by occupying the total volume of the raw materials: 8-10 percent of the lime, 10-12 percent of the fly ash and the balance of the crushed stones; and fifthly, paving a crushed stone surface layer: paving a 8-10cm crushed stone surface layer on the lime-ash stabilizing layer. By adopting the invention, waste mud and waste liquid of petroleum can be prevented from polluting the drilling place to enable idle land after drilling to be in second plowing, thereby having the effects of protecting land resources and lowering the land using cost.

The embodiment of the invention provides an envelope swing limit circuit for solving the problem of overlarge signal swing ratio. The envelope swing limit circuit comprises a single-step swing limit module consisting of a time delay unit, a swing ratio generation unit, a comparing unit and a swing limit signal generation unit, wherein the swing limit signal generation unit is used for receiving the envelope amplitude of a signal to be limited to swing as well as the envelope amplitude, the comparing value and the swing ratio threshold of a delayed signal to be limited to swing and generating and outputting the envelope amplitude of a swing limit signal according to the comparing value so that the swing ratio of the swing limit signal does not excess the range of the swing ratio threshold.Therefore, the invention can ensure that a signal which is processed by the envelope swing limit circuit can be anamorphic after being input to other implements for secondary processing and also avoidthe direct damage or completely damage of elements caused by the violent variation of the envelope amplitude within short time.

The present invention relates to a short-term high-temperature ablation resistant protective coating and a preparation method thereof. The protective coating is a functional coating and belongs to the technical field of surface engineering. The coating surface can be used for aircraft surface to prevent the matrix material from the direct damage of high-temperature hot-fluid and to reduce the surface temperature of the substrate. Coating of the present invention can be used in the preparation of the aircraft surface to prevent damage to the high-temperature heat directly to the base material, and reduce the surface temperature of the substrate, and has the advantages of good short-term high-temperature ablation resistant effect, simple preparation process, and application to the surface of large and complex structure. The coating can be used for a short time below 2000 DEG C, and the coating does not fall off or crack. For example, a coating of 7mm thick applied to carbon / carbon substrate surface is ablated with 2000 DEG C plasma flame for 100 s, and the coating is not completely ablated, and temperature of the substrate is no higher than 500 DEG C.

The invention relates to the technical field of health care and medical treatment goods, and particularly relates to a minimum-smoke environment-friendly portable moxibustion. The minimum-smoke environment-friendly portable moxibustion comprises a main body; a moxa group is arranged on the main body; the main body comprises inner and outer sleeve pipes, wherein the inner sleeve is sleeved in the outer sleeve pipe, and the lower side of the inner sleeve pipe is provided with a holding room for filling the moxa group; the lower part of the holding room is extended out of the lower end opening of the inner sleeve pipe; height of the end face of the lower part of the holding room in relative to the lower end opening of the outer sleeve pipe is less than that of the lower end opening of the inner sleeve pipe in relative to the lower end opening of the outer sleeve pipe. The minimum-smoke environment-friendly portable moxibustion is good in moxibustion effect, and can completely replace the traditional handhold moxibustion device.

The composite medicine consists of emulsified transdermal Phentolaminum paste in oil-in-water preparation of 0.5-10 wt% concentration and emulsified transdermal Lidocaine paste in oil-in-water preparation of 1-20 wt% concentration. The preparation process is also disclosed. According to the features of male's sexual dysfunction, the present invention provides the medicine capable of treating bothimpotence and prospermia simultaneously through combining emulsified transdermal Phentolaminum paste and emulsified transdermal Lidocaine paste. The present invention has high curative effect and less side effect.

The invention discloses multimedia equipment and a multimedia interaction system. The multimedia equipment comprises a processing chip for coordinately outputting first display information and second display information, a first display screen for receiving the first display information, a second display screen for receiving the second display information, and a holographic projection rack matched with the first display screen, wherein the first display screen is opposite to the holographic projection rack. According to the multimedia equipment and the multimedia interaction system, a holographic projection technology is applied to multimedia mobile end equipment; due to a one-core and two-screen technology, double screen interaction of the mobile multimedia equipment is realized, and 360-degree naked eye 3D displaying effect can be achieved; meanwhile, direct harm to eyes of a user due to blue light generated by a conventional display screen is effectively avoided.

The invention relates to the technical field of marine device, particularly, relates to a multi-angle detection type beacon recycling device. The device comprises a beacon cylinder, the beacon cylinder sleeves a vertical tower, and the vertical tower is composed of a vertical rod and a sinking ball. The outer side of the beacon cylinder is provided with an anti-collision mechanism, the anti-collision mechanism is composed of an inner ferrule, an outer ferrule and a plurality of floating blocks and is further provided with a protection mechanism, and the protection mechanism is composed of a top ring and a plurality of supporting rods. According to the multi-angle detection type beacon recycling device, the sinking ball is arranged on the vertical tower, so that the stability of the beaconcylinder when the beacon cylinder floats on the sea surface is improved; with the arrangement of the anti-collision mechanism on the beacon cylinder, the collision force generated by the collision between the beacon and a ship is reduced while the buoyancy of the beacon is increased, and an electronic device on the beacon is prevented from being damaged by vibration; with the arrangement of the protection mechanism, the electronic device at the top of the beacon is protected, and the direct damage to the electronic device due to the fact that the top of the beacon directly collides with the ship, can be prevented.

The invention discloses a convenient-to-install computer vision protection device in the technical field of computer vision. The convenient-to-install computer vision protection device comprises a protection mechanism for carrying out overall protection and anti-collision warning on computer vision equipment, the computer vision equipment is subjected to height adjustment and angle adjustment through the adjusting mechanism, the computer vision equipment is stored in the protection box to be stored, the camera is integrally protected through the protection mechanism outside the camera, directdamage to the camera due to external collision is avoided, the protection mechanism can be rapidly installed, and the protection effect is good. The lens cone of the camera can be rapidly maintained,and the anti-collision module carries out acousto-optic reminding on surrounding dangerous factors, so that the camera can be conveniently carried while protection is carried out.

The invention relates to a ultrasonic cleaning method. Firstly, a multi-phase flow is prepared, and is distributed on the surface of an object to be cleaned with a certain flowing speed, wherein the multi-phase flow comprises a continuous phase and a dispersion phase; the continuous phase is liquid; the dispersion phase contains gas; the gas in the multi-phase flow is initially in a micro-bubble state; then, a ultrasonic generator is started to emit ultrasonic waves to the cleaned object; the ultrasonic waves are propagated in the multi-phase flow to reach the cleaned object; and the initial frequency of the ultrasonic waves is adjusted as FORMULA, so that the multi-phase flow forms a ultrasonic retardant layer with higher resistance on the surface of the cleaned object. The ultrasonic cleaning method can improve the cleaning effect of the cleaned object, and meanwhile, can prevent the surface and internal damage of the cleaned object.

The invention discloses an intelligent wardrobe. The intelligent wardrobe includes a wardrobe body and a wardrobe door. The inner wall of the wardrobe is fixedly connected with a connection assembly,the connection assembly is provided with a hanger assembly matched with the connection assembly, one side of the wardrobe is provided with an hanging ironing component, and the side wall of the wardrobe body is provided with a first through hole matched with the hanging ironing component; the side wall of the wardrobe body is provided with a control panel, the connection assembly includes a firstsupport frame, a second support frame and a third support frame, the second support frame is connected with the first support frame and the third support frame, the first support frame and the third support frame are of a long strip structure, the second support frame is of an arc structure, the first support frame, the second support frame and the third support frame are provided with corresponding sliding rails respectively, and the hanger assembly can slide in the sliding rails.

The present invention relates to a fireproof cover. The fireproof cover comprises a circular pedestal, arc-shaped cover bodies arranged at edges of two sides of the circular pedestal, a device pedestal arranged on the circular pedestal, and a first driving device arranged at one side of the circular pedestal. One ends of the arc-shaped cover bodies are in mechanical connection with the first driving device, the arc-shaped cover bodies arranged at the edges of the two sides of the circular pedestal are extended downwards and perform contact connection under the drive of the first driving device, and then the arc-shaped cover bodies and the circular pedestal form a semispherical protection chamber, and the internal portion of the semispherical protection chamber is covered with the device pedestal and an electronic device installed on the device pedestal. The arc-shaped cover bodies arranged at the edges of the two sides of the circular pedestal are extended upwards and perform contact connection under the drive of the first driving device, and then the arc-shaped cover bodies and the circular pedestal form the semispherical protection chamber to separate the electronic device from the outside so as to effectively avoid flame spreading and prevent the electronic device from being directly damaged.

The invention discloses a piezoelectric swamp detector, which comprises ceramic sheets (10), weight bodies (11), a movement shell (6), and a detector shell with sealed waterproof effect. The movement shell (6) is arranged in the detector shell. A copper substrate conducted with the movement shell (6) is installed inside the movement shell (6). The ceramic sheets (10) are attached to both the upper and lower surfaces of the copper substrate. The ceramic sheets (10) on the two surfaces are both provided with the weight bodies (11). A circuit board (12) is arranged on the movement shell (6), and an adapter board (14) is arranged on the circuit board (12). A transmission line (1) with a sealing rubber sleeve (2) is introduced out of the upper end of the detector shell, and a tail vertebra is installed on the lower end of the detector shell. The detector has a good long-time waterproof function, thus prevents leakage phenomena when the detector conducts construction work in waters for a long time, and fully meets the requirements of the detector for construction work in swamp waters. Besides, the detector is small in size, good in grounding effect and convenient for construction work.

The invention discloses a bracket facilitating heat dissipation of a set top box. Fixed pins which are used for being fixed with the wall are arranged at the tops and bottoms of two fixed plates; the two fixed plates are vertically arranged in parallel; an angle steel is perpendicularly arranged at the upper part of each fixed plate; the two angle steels are opposite to each other; one right angle surface is parallel to the horizontal plane and the other right angle surface is perpendicular to the horizontal plane; a plurality of bar-type baffle plates are fixed between the bottoms of the two angle steels through bolts; the angle steel and the fixed plate on each side are fixedly connected through a reinforcing bar. According to the bracket, the bar-type baffle plates are fixed between the bottoms of the two angle steels through bolts, and gaps exist between the adjacent bar-type baffle plates; through the gaps between the bar-type baffle plates, the set top box on the bar-type baffle plate can dissipate heat, so that the heat dissipation of the elements in the set top box is facilitated, and the service life of the set top box can be prolonged.

The invention relates to the field of plowing machines and aims to provide a plowing machine and a plowing method thereof. The plowing machine comprises a rack, plow coulter wheels and resistance wheels and is characterized in that the plow coulter wheels are arranged in front of the resistance wheels, each plow coulter wheel comprises a flange plate and multiple plow coulters, the plow coulters are uniformly mounted on the outer edge of each flange plate, every two adjacent plow coulters are reversely mounted, and a brake device is arranged on each resistance wheel. The plowing machine and the plowing method have the advantages as follows: the plow coulters are arranged on the plow coulter wheels, all the weight of a walking tractor are borne by the plow coulter wheels during plowing, sufficient downward pressure is generated, meanwhile, the brake devices on the resistance wheels brake, certain drag resistance is generated, the plow coulter wheels perform semi-sliding motions in soil under the simultaneous action of downward pressure and drag resistance of the walking tractor to drive the plowing machine to move forward and plane soil below the plow coulter wheels, and accordingly, the plowing depth is increased.

The invention discloses a wear-resistant structure without damaging a matrix. The wear-resistant structure comprises a transition layer overlaid on the matrix, a round hole with the depth smaller than the thickness of the transition layer and incompletely consistent depth is processed in the transition layer, and a welding wear-resistant stud is overlaid in the round hole. The transition layer has better toughness and processability, and the round holes are formed in the transition layer, so that the transition layer is not easy to crack; the transition layer with good toughness is matched with the welding wear-resistant column nails with high strength and good wear resistance to form a soft and hard staggered structure, so that the impact stress of a hard material on the wear-resistant structure can be relieved; the welding wear-resistant stud is not in direct contact with the matrix, so that direct damage to the matrix can be effectively reduced; and the external height of the welded wear-resistant stud nail is consistent but discontinuous, so that the problem that a continuous wear-resistant alloy layer formed by depositing wear-resistant alloy on the matrix in the prior art is easy to crack is effectively solved. The invention further discloses a preparation method of the wear-resistant structure, the service cycle of the wear-resistant structure is effectively prolonged, the matrix is protected from being damaged, and the wear resistance is improved.

The invention relates to the technical field of irrigation and drainage pipes, and discloses an irrigation and drainage pipe detection device, which comprises a machine shell, a first threaded rotating shaft is rotatably connected to the left side wall in the machine shell through a bearing, and a second threaded rotating shaft is fixedly connected to the right end of the first threaded rotating shaft, threaded sleeves are in threaded connection with the outer surfaces of the first threaded rotating shaft and the second threaded rotating shaft correspondingly, fixing plates are fixedly connected to the upper surfaces of the two threaded sleeves correspondingly, frames are fixedly connected to the upper surfaces of the two fixing plates correspondingly, and circular limiting rails are fixedly connected to the bottom walls of the interiors of the frames; and gear rings are slidably connected to the interiors of the circular limiting rails. The irrigation and drainage pipe detection device can be suitable for fixing sample pipes with different lengths and between the sample pipes, during clamping, the sample pipes are stressed uniformly, the phenomenon that the sample pipes are collapsed during stamping and other tests due to uneven stress is avoided, the safety of the device is improved, the structure is simple, use is convenient, and the irrigation and drainage pipe detection device is suitable for large-scale application and popularization.