40results about How to "Not damaged by impact" patented technology

A combined cutting PDC (polycrystalline diamond compact) bit provided with a breaking hammer at least comprises a bit body and the breaking hammer, wherein the bit body is provided with a plurality of bit blades, a plurality of PDC cutting teeth for cutting rock are arranged on the bit blades, the bit body is provided with an inner flow passage as well as a plurality of cleaning holes formed between the bit blades, and the front end of the inner flow passage is communicated with the cleaning holes; at least one breaking hammer is arranged on the bit body and comprises a hammer body, a plurality of cutting units are arranged on the surface of the hammer body which is rotationally arranged at the front end of a bearing seat, and the rear end of the bearing seat is fixed on the bit body and communicated with the inner flow passage. Therefore, the technical problems of high rock abrasion ratio, difficulty in rock cutting, low rock breaking rate, fast wear and short service life of the bit when the bit is applied to an ultra-hard formation in a drilling process are solved, the defect of early damage to the bit when the bit is applied to a gravel formation is overcome, further, the service life of the bit can be prolonged, the drilling speed can be increased, and the drilling cost can be reduced.

A pipeline transport method for logistics express delivery belongs to a modern logistics express delivery technology. The pipeline transport method comprises packaging, document making, transport, storage, delivery and information processing and is characterized is that Internet, cloud storage and computer control technologies are adopted, unified express delivery boxes, cargo compartments and delivery pipelines are made, intelligent gas-delivery sending stations and receiving stations are set up to form an automatic-control intelligent pipe network, an express delivery real-time information network is established, and execution and operation rules are made. The pipeline transport method realizes automation and standardization of receiving, sorting, sending and returning, scientific management and information synchronization, ensures accurate, safe and reliable deliver operation, has the characteristics of convenience, rapidness, automation, high efficiency, large freight volume, low investment and low fault rate, and is suitable for small-region and high-frequency logistics express delivery.

The present invention provides a display panel, a display device and a preparation method thereof. The display panel comprises: a substrate; a luminescent layer arranged on the substrate; a buffer structure comprising an airflow channel formed by a buffer layer, wherein the airflow channel is filled with air, the buffer structure is arranged at one side of the substrate, far away from the luminescent layer, the air in the airflow channel is compressed when display panel is impacted to allow the impact force to dispersed to the circumference of the air so as to disperse to the impact of the display panel and prevent the display panel from being damaged by the impact force.

The invention discloses a heat-insulating film and a preparation method. The invention provides an excellent heat-insulating film which can meet an optimal heat-insulating effect of heat radiation. The heat-insulating film comprises three layers from top to bottom, namely, a film protection layer, a use layer and a release layer, wherein the use layer comprises a metal hardening layer, an upper transparent film, a glue layer, a lower transparent film, a metal oxide layer and an adhesive layer from top to bottom; the film protection layer comprises a protection base film and a protection adhesive layer from top to bottom. As two layers of PET base materials are bonded together, the heat-insulating film is relatively good in elasticity vibration absorption function and good in acute impact resistance, and the result of an impact test of a 500g testing ball at the height of 100cm shows that a piece of glass needing heat insulation can be effectively prevented from collision damage.

The invention discloses a vertical rotating floating pier anti-collision device, belonging to the technical field of bridge collision avoidance. The vertical rotating floating pier anti-collision device comprises three parts, namely a fixed pier, a floating flexible anti-collision body and a support structure, wherein the fixed pier arranged on a bank is fixedly connected with slope protection of the bank into a whole; the floating flexible anti-collision body is arranged at the center of a river close to a protected pier; the front end of the support structure is fixedly connected with the floating flexible anti-collision body, and the rear end of the support structure is connected with the fixed pier by virtue of a rotating structure; the floating flexible anti-collision body and the support structure which can float up and down along with the variation of water level are separated from the protected pier, and a gap which can cause the device to move up and down between the highest water level and the lowest water level is kept among the floating flexible anti-collision body, the support structure and the protected pier. The device disclosed by the invention is reasonable in design, has simple structure, can ensure a bridge and a ship not to be damaged by collision, is easy to maintain and has long service life.

The invention discloses a glass fiber reinforced plastic optical cable protection sleeve, which comprises a first glass fiber reinforced plastic pipe, wherein the first glass fiber reinforced plasticpipe is formed by compounding glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin; a first polytetrafluoroethylene waterproof material layer is coated on the outer wall of thefirst glass fiber reinforced plastic pipe; and a first silicide heat insulation cotton layer is glued on the outer wall of the first polytetrafluoroethylene waterproof material layer. According to the glass fiber reinforced plastic optical cable protection sleeve, the first polytetrafluoroethylene waterproof material layer is matched with the first silicide heat insulation cotton layer, so that the first glass fiber reinforced plastic pipe has stable temperature resistance based on temperature resistance performance of the first polytetrafluoroethylene waterproof material layer and the firstsilicide heat insulation cotton layer, and through the temperature resistance of a second polytetrafluoroethylene waterproof material layer and a second silicide heat insulation cotton layer, the optical cables in a first cylinder body, a second cylinder body and a third cylinder body can stably work.

The invention relates to the field of unmanned aerial vehicles, in particular to a multifunctional unmanned aerial vehicle undercarriage which comprises a connecting disk and two first landing gears.The two first landing gears are symmetrically arranged at the bottom of the connecting disk, a second landing gear is further arranged at the bottom of the connecting disk, the second landing gear andthe two first landing gears are distributed in an isosceles triangle form and are three vertexes of an isosceles triangle, a driving device for driving the two first landing gears and the second landing gear to synchronously fold or unfold is arranged on the connecting disk, and the periphery of the top of the connecting disk is connected with the bottom of an unmanned aerial vehicle body througha plurality of connecting supports. In the rising or landing process of an unmanned aerial vehicle, a first inclined arm and a second inclined arm can be flexibly adjusted to guide and support the unmanned aerial vehicle in the landing process, comprehensive irradiation of a camera on the lower portion of the unmanned aerial vehicle in flight is met, and wings can be protected from impact damagein flight.

The invention discloses an anti-interference protective circuit. The anti-interference protective circuit comprises a signal input port, a resistor R1, a resistor R2, a resistor R3, a triode T1, a diode D1 and a chip receiving pin. The signal input port, the resistor R1, the resistor R3 and the triode T1 are sequentially in series connection, the resistor R3 is connected to an emitter E of the triode T1, the resistor R2 is in linkage with the triode T1, the chip receiving pin is connected to the emitter E of the triode T1, the diode D1 is in parallel connection with the resistor R1, and the positive pole of the diode D1 is connected with the ground. By means of the structure, the anti-interference protective circuit avoids physical damage to a chip device caused by impact of a signal with high voltage and a large current.

The invention discloses a protection and filtering device for an underwater sensor. The device comprises a protection device. A sensor monitoring probe is fixed on the top of the protection device andincludes a pressure-resistant cabin, a watertight joint and an underwater detecting sensor. The underwater detecting sensor is arranged inside the protection device. According to the protection and filtering device, with the protection device, the underwater detecting sensor and a water inlet are protected from being impacted and damaged to a certain degree. The parts are made of copper materialsexcept the filler; the attachment process of the organism can be reduced effectively because of the own biotoxicity of the copper; the through hole formed in an outer copper mesh and the inner fillerform a two-stage filtering device and thus large-particle-size suspension particles and living bodies like silt can be removed basically even though not all suspension particles can be removed completely, thereby ensuring the relative cleanness of sea water in the protection device and increasing the underwater working time of the sensor.

The invention discloses a high-definition full-color LED display screen used for a conference system and a using method of the high-definition full-color LED display screen. The high-definition full-color LED display screen comprises a high-definition display screen body and a storage box, wherein the high-definition display screen body is installed in the storage box, two sliding grooves are formed in the inner walls of the left side and the right side of the storage box, and two guide strips are symmetrically and fixedly connected to the outer walls of the left end and the right end of the high-definition display screen. The ascending and descending actions of the display screen are achieved through the gear transmission effect, an atomization device and a rolling brush cleaning device are arranged on the storage box, and in the descending process of the high-definition display screen, a pressing rod on a manual liquid adding pump can be pressed, and a cleaning liquid stored inside is conveyed to the atomizing nozzle through a liquid conveying pipe and is uniformly sprayed to a cleaning friction roller after being atomized by the atomizing nozzle, so that the cleaning friction roller is kept in a wet state, and when the high-definition display screen starts to move downwards, the wet cleaning friction roller synchronously rotates to perform friction cleaning treatment on thehigh-definition display screen, and good definition is kept.

The invention discloses parcel sorting AGV equipment with an anti-collision structure. The parcel sorting AGV equipment comprises a horizontally-arranged bottom plate, the upper surface of the bottom plate is fixedly connected with an AGV control box, the AGV control box is cylindrical, the bottom surface of the bottom plate is provided with a guide device, the bottom surface of the bottom plate is rotationally connected with a plurality of first universal wheels, a plurality of anti-collision plates are vertically arranged at the outer side of the AGV control box, the bottom ends of the anti-collision plates are fixedly connected with the upper surface of the bottom plate, buffer plates are vertically arranged at the outer sides of the anti-collision plates, a plurality of grooves are formed in the surfaces of the outer sides of the multiple anti-collision plates, and sliding blocks are slidably connected into the multiple grooves. According to the parcel sorting AGV equipment, internal components and objects are protected by arranging the anti-collision plates, and the buffer plates are additionally arranged outside the anti-collision plates, so that the acting force generated by collision is reduced, and the buffer protection effect is achieved; and meanwhile, telescopic second universal wheels are additionally arranged, so that the stability of the equipment is improved, rollover is prevented, and the parcel sorting AGV equipment is simple and practical.

The utility model discloses a high-rise drainage bend tube which comprises a water inlet section, a bend section and a water outlet section, the water inlet section is detachably connected with the bend section, the water inlet section comprises an energy dissipation tube and a filtering tube which are detachably connected, the energy dissipation tube comprises a first tube body and a plurality ofenergy dissipaters connected to the inner tube wall of the first tube body, and the filtering tube comprises a second tube body, a filtering box connected to the inner tube wall of the second tube body and a conical filtering net arranged in the filtering box. The pipeline is designed to reduce energy of the pipeline before water flow and sundries with huge potential energy impact the bend tube,impact damage to the bend tube is effectively reduced, and the pipeline is easy to replace and maintain, simple, practical and easy to implement.

The invention provides a dedicated vacuum oil filtering system for high-viscosity lubricating oil. The dedicated vacuum oil filtering system comprises a vacuum separating device; the vacuum separating device comprises a vacuum tank, an atomizer and a vacuum separator; the atomizer comprises a body and an oil conveying pipe, wherein four groups of atomization channel sets are sequentially arranged in the body from top to the bottom; the vacuum separator comprises a shell and a separating net, wherein the separating net comprises a vertical-horizontal intersected net face and a separating part. The dedicated vacuum oil filtering system has the beneficial effects that oil-water mixture experiences a compression process before entering an atomization channel, the compressed oil-water mixture is suddenly pressed and reduced when leaving the middle of the atomization channel along with enlargement of the cross sectional area, the oil-water mixture is not completely pressed from the atomization channel to the outer wall end of the body, and the oil-water mixture can suddenly scatter in an explosion shape under an effect of vacuum negative pressure after entering the vacuum tank; thus, an oil atomization effect is good, and an oil-water separation effect is good.

The invention relates to an auxiliary piling device and an auxiliary piling method for a concrete pile body. The device comprises an upper jacket, a conical head, a guiding ring body and a fixed seatbody, wherein the upper jacket is detachably clamped at the upper part of the concrete pile body, and the outer circumferential surface of the upper jacket is evenly provided with a plurality of arc-shaped convex strips which extend obliquely from top to bottom; the conical head is fixed at the lower end of the concrete pile body; the outer cambered surface of the conical head is provided with threaded bulges; the inner circumferential surface of the guiding ring body is provided with a plurality of arc-shaped guide slots which penetrate obliquely from top to bottom and correspond to the plurality of arc-shaped convex strips, thus receiving the arc-shaped convex strips which decline along with the concrete pile body when the concrete pile body sinks under impact; the auxiliary piling device and the auxiliary piling method can drive the pile body to rotate when the pile body sinks under impact, so that the threads on the conical head part can be used for feeding; the pile body is underan impact force of the upper end on the one hand, and is under a pull force of a conical body at the lower end on the other hand; a pile body sinking effect is achieved due to the combination of the impact force and the pull force; the phenomenon that the pile body is damaged since the same position of the pile body is excessively impacted.

The invention discloses a torsion damper for a hybrid electric vehicle. The torsion damper comprises a driven plate and friction discs, disc springs, and covers which are sequentially overlapped on friction plates of the driven plate from bottom to top; and the covers cover the disc springs and the friction discs, the outer rings of the covers are provided with mounting holes, the inner ring edgesof the covers are provided with clamping claws, the inner rings of the friction discs are provided with necks, and the necks are matched with the clamping claws. The absorber transmits torque and unloads impact and is light in weight, small in rotational inertia, small in installation space, simple and reliable in structure, and low in cost.

The invention discloses a glass fiber reinforced plastic optical cable protective sleeve, which includes a first glass fiber reinforced plastic tube, and the first glass fiber reinforced plastic tube is made of glass fiber reinforced unsaturated polyester, epoxy resin and phenolic resin. The first polytetrafluoroethylene waterproof material layer is coated on the outer wall of the first glass fiber reinforced plastic pipe, and the outer wall of the first polytetrafluoroethylene waterproof material layer is glued with a first silicide heat insulation cotton layer. The glass fiber reinforced plastic optical cable protective sleeve passes through the cooperation between the first polytetrafluoroethylene waterproof material layer and the first silicide heat insulation cotton layer, so that the first polytetrafluoroethylene waterproof material layer and the first silicide insulation cotton layer The temperature resistance of the heat insulation cotton layer makes the first glass fiber reinforced plastic pipe have stable temperature resistance, and through the temperature resistance of the second polytetrafluoroethylene waterproof material layer and the second silicide heat insulation cotton layer, it makes The optical cables inside the first cylinder, the second cylinder and the third cylinder can work stably.

The invention provides a display panel, a display device and a preparation method thereof. The display panel includes: a substrate; a light-emitting layer arranged on the substrate; a buffer structure, wherein the buffer structure includes an airflow channel formed by the buffer layer, gas is contained in the airflow channel, and the buffer structure is arranged on the side of the substrate away from the light-emitting layer, The gas in the airflow channel is compressed when the display panel is impacted, so that the impact force is dispersed around the gas, thereby dispersing the impact force received by the display panel and protecting the display panel from being damaged by the impact force.

A combined cutting PDC (polycrystalline diamond compact) bit provided with a breaking hammer at least comprises a bit body and the breaking hammer, wherein the bit body is provided with a plurality of bit blades, a plurality of PDC cutting teeth for cutting rock are arranged on the bit blades, the bit body is provided with an inner flow passage as well as a plurality of cleaning holes formed between the bit blades, and the front end of the inner flow passage is communicated with the cleaning holes; at least one breaking hammer is arranged on the bit body and comprises a hammer body, a plurality of cutting units are arranged on the surface of the hammer body which is rotationally arranged at the front end of a bearing seat, and the rear end of the bearing seat is fixed on the bit body and communicated with the inner flow passage. Therefore, the technical problems of high rock abrasion ratio, difficulty in rock cutting, low rock breaking rate, fast wear and short service life of the bit when the bit is applied to an ultra-hard formation in a drilling process are solved, the defect of early damage to the bit when the bit is applied to a gravel formation is overcome, further, the service life of the bit can be prolonged, the drilling speed can be increased, and the drilling cost can be reduced.

The invention discloses a vertical rotating floating pier anti-collision device, belonging to the technical field of bridge collision avoidance. The vertical rotating floating pier anti-collision device comprises three parts, namely a fixed pier, a floating flexible anti-collision body and a support structure, wherein the fixed pier arranged on a bank is fixedly connected with slope protection ofthe bank into a whole; the floating flexible anti-collision body is arranged at the center of a river close to a protected pier; the front end of the support structure is fixedly connected with the floating flexible anti-collision body, and the rear end of the support structure is connected with the fixed pier by virtue of a rotating structure; the floating flexible anti-collision body and the support structure which can float up and down along with the variation of water level are separated from the protected pier, and a gap which can cause the device to move up and down between the highest water level and the lowest water level is kept among the floating flexible anti-collision body, the support structure and the protected pier. The device disclosed by the invention is reasonable in design, has simple structure, can ensure a bridge and a ship not to be damaged by collision, is easy to maintain and has long service life.

The invention discloses an anti-collision device for an independent float-type bridge pier, belonging to the technical field of bridge anticollision. The anti-collision device independent from a protected bridge pier is composed of a fixed pier, a float-type anti-collision body and a support guidepost, wherein, the fixed pier arranged on a bank is fixedly connected with a protecting slope of the bank into a whole; the float-type anti-collision body is arranged at one side of the center of a river of the protected bridge pier, and forms dynamic matching connection with the support guidepost; the support guidepost is connected with or fixedly connected with the fixed pier; the float-type anti-collision body which can float up and down along the change of water level is separated from the protected bridge pier; and the clearance which can satisfy that the device can move up and down between the highest water level and the lowest water level is reserved. The device provided by the invention has a reasonable design and simple structure, can ensure that a bridge and a ship can not be collided to be damaged, is easy to overhaul and maintain, and has long service life.

The invention discloses a washing device capable of reducing broken walls of tea leaves. The washing device comprises a motor, a communicating pipe, a positioning ring and a water separating net. Themotor is fixedly arranged at the position of the top edge of a tank body through a motor support, and the transmission end of the motor is fixedly provided with a first gear shaft. The communicating pipe is fixedly arranged at the position of the top center of the tank body through a sealing bearing, the lower end of the communicating pipe is connected with a washing pipe, the upper end of the communicating pipe is connected with the pipe end of an air receiving pipe through another sealing bearing, and the air receiving pipe is fixedly arranged on the tank body through a fixing rod. The positioning ring is arranged on the inner wall of the tank body, and the tank body is provided with a sealing door. The position of the bottom edge of the water separating net is fixedly connected with a sliding block. The lower end of the washing pipe is fixedly provided with a positioning rod, and the positioning rod penetrates through a middle hole of the water separating net. According to the washing device capable of reducing the broken walls of the tea leaves, the washing efficiency of the tea leaves is improved, and during tea leaf washing, the outer walls of the tea leaves can be protectedagainst collision damage.

The invention belongs to coal mine safety equipment, and particularly relates to a hydraulic support anti-shock device. An energy-absorbing anti-shock protection pad is arranged between the column socket of the hydraulic support and the column bottom of the column, and the column cap of the hydraulic support and the column head of the column. There is an energy-absorbing filling fluid in the cavity of the nest and the column cap. When the hydraulic support is impacted by the top and bottom plates during the support process, the energy-absorbing anti-shock protection pad consumes energy through the phase change at the moment when the column safety valve is too late to open. Dissipate the impact energy and reduce the impact force; when the hydraulic support is greatly impacted by the top and bottom plates, the column safety valve cannot resist the impact load on the hydraulic support, and the column socket and column cap will have a certain elastic deformation, and the energy absorption will be filled. After the liquid feels the impact, the viscosity will increase rapidly to dissipate the impact energy; the anti-shock device of the hydraulic support dissipates the impact energy received by the hydraulic support through the phase change effect of the anti-shock protection pad and the energy-absorbing filling fluid to protect the hydraulic support The structure is not damaged by impact.

According to the pipe condition control intelligent irrigation method of the present invention, the electric valve opening control device receives the fluid information in the pipe from the pipe condition detection sensor, and drives the spool of the electric valve to rotate to a suitable valve opening according to the preset fluid information. Accurately control the water volume, pressure and flow rate in the hose, realize precise water and fertilizer irrigation, and avoid problems such as pipe detachment or pipe burst, water hammer phenomenon, water and fertilizer waste, and water and fertilizer corrosion of the pipe wall caused by pressure differences. It is convenient to establish a blockchain agricultural management system, making nationwide intelligent agricultural management possible. And the sensing element of the pipe condition detection sensor extends into the hose through the probe protection structure; the structure is simple and reliable, and the installation is convenient, and the sensing element is protected from impact damage on the basis of effectively obtaining fluid information in the pipe , which greatly reduces the detection cost of the intelligent irrigation system and facilitates the promotion and application of large areas.

The invention discloses a printing numerically-controlled flame cutting machine which comprises two parallelly-laid cutting machine rails, wherein a laying platform is mounted under each cutting machine rail; the lower part of each laying platform is fixed on the ground; protective plates are arranged on two sides of each laying platform and higher than the corresponding cutting machine rail; a cutting table comprises a cutting table support and a plurality of saw-toothed strip plate groups mounted on the cutting table support; a welding crossbeam frame is erected on the two cutting machine rails; a flame cutting assembly is mounted on a crossbeam of the welding crossbeam frame; a lifting frame is arranged on the side, parallel to the cutting machine rails, of the gas inlet end of the flame cutting assembly; a pulley group is arranged on the lifting frame; and a gas pipe is connected onto the pulley group. The printing numerically-controlled flame cutting machine disclosed by the invention is higher in stability; the service life of the cutting machine rails is prolonged; the gas pipe is protected from damage caused by friction and winding, and thus the service life of the gas pipe is prolonged; and plates of various sizes and shapes can be cut and fetched conveniently, thereby shortening the material fetching time and improving the working efficiency by 20%.

The invention discloses a non-integrated steel ball type lock wall steel plate warping prevention device which is arranged at the lock head and lock wall of a ship lock or at the joint of a steel plate in an approach channel, wherein a stripe groove is formed in the wall surface at the mounting position, a plurality of supports are anchored in the groove at intervals, a connecting shaft is fixed on the supports, a plurality of steel rollers are sleeved on the connecting shaft, and each steel roller is located between two supports. The invention provides the lock wall steel plate warping prevention device which has the characteristics of being convenient in installation and dismounting and replacement, high in durability, good in protection effect and economical efficiency, and realizes non-integrated replacement convenience and economical efficiency.

The invention discloses a bridge anti-ship-collision structure which comprises a plurality of layers of anti-collision sleeve boxes arranged outside a bridge bearing platform in a surrounding mode, wherein the top faces of the anti-collision sleeve boxes adjacent to the bridge bearing platform are connected to the upper surface of the bridge bearing platform in a suspended mode, and the side wallsof the anti-collision sleeve boxes are connected with the side walls of the bridge bearing platform in an attached mode; and the top surfaces of the adjacent layers of anti-collision sleeve boxes areconnected in a suspended manner, and the side walls are connected in an attached manner. Through the anti-collision design of multiple layers of anti-collision sleeve boxes, the anti-collision sleeveboxes of the corresponding layers can be selected according to the anti-collision grade; when collision occurs, the outer-layer anti-collision sleeve box deforms firstly, the collision force is released, and the ship is stopped; and when the deformation of the outer-layer anti-collision sleeve box is not enough to release all the collision force, the inner-layer anti-collision sleeve box deformsalong with the outer-layer anti-collision sleeve box, and the remaining collision force is released. The collision energy of a collision ship is absorbed through deformation of the inner-layer anti-collision sleeve box and the outer-layer anti-collision sleeve box, so that the purpose of protecting a bridge structure from being damaged by collision is achieved.

The invention discloses an ice-erosion-prevention protection method of a cold-region river bank, and relates to the field of protection of floating ice impact. In order to solve the problems that an existing sticking slope type protection structure is light, thin, small in self weight, low in interface strength and free of effectively resisting ice floe impact, geotextile and a bottom layer reinforcing mesh are sequentially laid on the slope river bank from bottom to top; a plurality of connecting vertical ribs are arranged in a plum blossom shape and are welded to the interior of the bottom layer reinforcing mesh, stone masonry is placed, a top layer reinforcing mesh is laid, the multiple connecting vertical ribs are welded together, and a plurality of side sealing reinforcing steel bars are evenly welded between two outer sides of the laid top layer reinforcing mesh and the laid bottom layer reinforcing mesh and are used for sealing the stone masonry; the round faces of a plurality of semi-spherical steel shells are evenly welded to the top layer reinforcing mesh, a concrete cover face is adopted to cover the top layer reinforcing mesh, and the spherical faces of the multiple semi-spherical steel shells are exposed out; finally, slope shoulders and fixing feet are arranged on the top ends and the bottom ends of the slope river bank correspondingly in a built manner, the whole protection structure is built, and the method is used for ice impact and erosion prevention of the river bank.