67results about How to "Protection from impact" patented technology

A hand-held skin treatment device comprises a source of electromagnetic radiation, an energy supply electrically coupled to the source and a controller arranged to control the energy supplied to the source of electromagnetic radiation. The source, the energy supply and the controller are enclosed in a watertight housing allowing use of the hand-held skin treatment device in a wet environment. To provide sufficient cooling of the source, the device comprises an internal heat exchanger in heat conducting relation with the source, an external heat exchanger outside of the watertight housing, and a heat path from the internal heat exchanger to the external heat exchanger that passes hermetically through a wall of the watertight housing. With this device, users can conveniently integrate their skin treatment activities with the daily washing routine in a shower or bath. The device is especially useful in the context of hair removal.

The invention discloses an integrated sample needle loading and stirring system which comprises a fixing seat (10), a stirring motor (1), a driving wheel (2), an eccentric wheel (4) and a sample needle (5), wherein the stirring motor (1) is fixed on the fixing seat (10); the eccentric wheel (4) is arranged on the fixing seat (10) through a first bearing (11); the sample needle (5) is arranged in an eccentric hole of the eccentric wheel (4) through a second bearing (6); the stirring motor (1) drives the eccentric wheel (4) to rotate through the driving wheel (2). The integrated sample needle loading and stirring system is simple and ingenious in structure and has the functions of sample loading, stirring and collision avoidance, and by using the system, equipment can be obviously simplified, and the working efficiency is improved.

An isolated double protection bridge pier anti-collision method and device with auxiliary piers, on both sides of the bridge pier, one or more auxiliary piers are arranged on both sides of the bridge pier along the bridge direction, the anti-collision device is installed on the auxiliary pier, the anti-collision device is not connected with the auxiliary pier The protected pier acts directly to prevent the impact force from being directly transmitted to the protected pier, and the main body of the anti-collision device adopts a buoyant structure, which can float up and down with the change of the water level, and can give sufficient protection in the vertical direction of the main pier; the use of the anti-collision device The anti-collision double protection for the protected pier is achieved by itself and the auxiliary pier; and guide wheels are installed at both ends of the outer anti-collision buoyancy tank. When the ship is colliding with the end of the anti-collision device, the guide wheel can adjust the direction of the bow to disperse the impact force , to protect the pier while reducing the damage to the anti-collision device. The invention is an anti-collision device for bridge piers with sufficient protection for bridge piers, elegant appearance, small occupied water area, low cost, easy installation and maintenance.

A portable apparatus having an accelerometer device and a supporting element in the accelerometer device, having a first body of semiconductor material integrating a sensor element that detects movements of the first body and generates a signal correlated to the detected movement; a second body of semiconductor material that integrates a conditioning electronics and that is electrically connected to the first body; and conductive bumps that provide electrical connection of the first and second bodies to the supporting element. In particular, the conductive bumps connect the first and second bodies to the supporting element without the interposition of any packaging.

The invention discloses a method for simultaneously realizing the sampling, sample addition and stirring of a sample needle. A fixed seat (10), a stirring motor (1), a driving wheel (2), an eccentric wheel (4) and the sample needle (5) are adopting, wherein the stirring motor (1) is fixed on the fixed seat (10); the eccentric wheel (4) is arranged on the fixed seat (10) through a first bearing (11); the sample needle (5) is arranged in an eccentric hole of the eccentric wheel (10) through a second bearing; the stirring motor (1) drives the eccentric wheel (4) to rotate through the driving wheel (2); the eccentric wheel drives the sample needle to stir liquid in a container during the sample addition or the sampling. The method for simultaneously realizing the sampling, sample addition and stirring of the sample needle is ingeniously implemented, the sample addition, stirring and collision prevention functions can be realized, equipment can be remarkably simplified, and the working efficiency can be improved.

A stopping structure and a server having the same are provided. The server includes a rack, at least one chassis, and a stopping structure. The chassis disposed in the rack moves relative to the rack. The stopping structure is disposed between the rack and the chassis. The stopping structure includes an actuator, a guiding element, and a damper. The actuator is disposed on the chassis. The guiding element is disposed on the chassis, and the actuator moves parallelly between a first position and a second position along the guiding element relative to the chassis. The damper is disposed in the rack. When the chassis is moved out from the rack and the actuator is at the first position, the damper is interfered with the actuator. When the chassis is moved out from the rack and the actuator is at the second position, the damper is not interfered with the actuator.

The invention discloses a method for adopting an inverse suspension polymerization to prepare humic acid super absorbent resin. The preparing method specifically comprises the first step of taking decomposed coal, and conducting grinding, sieving and drying treatment in sequence on the obtained decomposed coal to obtain decomposed coal powder; the second step of extracting humic acid in the decomposed coal powder through an oxido-degradation with a nitric acid method after obtaining the decomposed coal powder from the first step; the third step of using acrylic monomer and the humic acid from the second step as the raw material, using N,N'-Methylenebisacrylamide solution as a cross-linking agent, using potassium persulfate solution as an initiator, using span-60 as a dispersing agent and using a sodium hydroxide solution as a neutralizer, and preparing humic acid super absorbent resin through the inverse suspension polymerization in cyclohexane. According to the method for adopting the inverse suspension polymerization to prepare humic acid super absorbent resin, inverse suspension polymerization is adopted to prepare the humic acid super absorbent resin, decomposed coal humid acid is used as a raw material, the humic acid super absorbent resin is prepared on the basis of inverse suspension polymerization, and performance of water-absorbent resin is thus effectively improved.

A heating body for an electrically heated filter screen includes a heater element having an outer surface and a metallic protective layer having an inner surface. An insulating layer is disposed between the heater element outer surface and the inner surface of the metallic layer. The metallic layer and an exposed portion of the insulating layer define an exterior of the heating body. An electrically heated filter screen constructed from pairs of intersecting heating bodies is also described.

A motor vehicle door has a lateral impact protection device with a lateral impact beam and a fastening device to connect the lateral impact beam to a door part. The fastening device has a fastening bracket being a cast part and is connected to the door part. The fastening bracket has a fork-shaped seat for receiving the lateral impact beam. A holding bolt passes through the lateral impact beam and the fork-shaped seat. The fork-shaped seat contains at least two inner surfaces which face the lateral impact beam and lie opposite one another with a spacing and a fork bottom. For ease of production, the fork-shaped seat widens with its inner surfaces in its direction pointing away from the fork bottom. The inner surfaces are configured as unfinished cast surfaces, and the lateral impact beam has a trapezoidal cross section adapted to the widening seat.

The invention discloses a welding method for a thin-walled titanium alloy spherical member. The welding method is applied to a thin-walled titanium alloy spherical member; the spherical member comprises an upper hemispherical housing, a lower hemispherical housing, a connecting disc, a flange and a joint which are made of a titanium alloy material; the method comprises the following steps of: pre-processing the upper hemispherical housing, the lower hemispherical housing, the connecting disc, the flange and the joint; assembling the pre-processed upper and lower hemispherical shousings, connecting disc, flange and joint to obtain a spherical member; fixing the spherical member to a welding tool of a specific back inflation protection device, and introducing protective gas into the back inflation protection device to make sure that the oxygen content in a cavity of the back inflation protection device is lower than a preset threshold value; and conducting spot fixation on the joint weldseams concentrated according to stress in sequence from the inner ring to the outer ring, and conducting welding in a pulse-modulated laser swing welding mode according to the spot fixation sequence.The welding method disclosed by the invention solves the technical problem about relatively poor reliability of welding of thin-walled titanium alloy spherical members in the prior art.

The invention discloses a method and a system for safely destroying and recycling waste ammunition through ultrahigh-pressure water jet. The method and the system are characterized in that the methodcomprises the following steps that firstly, an explosion-proof safe area is arranged, and water cutting equipment, high-pressure flushing equipment and ammunition clamping equipment are installed in the explosion-proof area; secondly, ammunition needing to be destroyed is clamped on the ammunition clamping equipment through a manual or automatic clamping technology; thirdly, the projectile body iscut through ultrahigh-pressure water jet; fourthly, cutting jet flow of the high-pressure water cutting head is closed, the high-pressure flushing head is automatically aligned with the ammunition storage cavity, and explosives in the ammunition storage cavity are flushed out of the storage cavity and enter the workbench water tank; and the second step to the fourth step are repeated to completethe cutting separation of the next ammunition and the recovery of the ammunition body material; and fifthly, the ammunition dehydration device is connected with the workbench water tank, so that the explosives are separated from water, the separated explosives are dried and recycled, and separated wastewater is treated and then discharged. The method is simple, safe and efficient.

The invention provides a train operation monitoring device. The train operation monitoring device comprises a monitoring host, a screen display and external extension equipment; the monitoring host comprises a host board, a communication board, a locomotive signal communication board, a simulating board, an input board, an output board, a recording board and a power supply board; the host board completes mutual communication with the communication board, the locomotive signal communication board and the simulating board through an internal CAN bus; the host board accesses the input board and the output board through a parallel interface; the host board communicates with the screen display through an external CAN bus; the external extension equipment is connected with the communication board through an extension equipment CAN bus; and a recorder board is connected with the internal CAN bus and the external CAN bus simultaneously. The train operation monitoring device has the following technical advantages: in a new monitoring host structure, system internal communication and external communication buses are isolated, so that the influence on the internal part of the system by system external interference is effectively protected; meanwhile, a recording function is independently completed through bus monitoring, so that stripping of a control function and the recording function is realized.

The invention provides a carbon dioxide supercritical fluid extraction device with heat recovery, which comprises an extraction tank, the output end of a first connecting pipe is in pipe connection with a separation box, the bottom end of the separation box is in pipe connection with a second discharge pipe, the output end of a second connecting pipe is in pipe connection with a carbon dioxide storage tank, and a third connecting pipe is in pipe connection with a booster pump. A heat exchanger is connected to the third connecting pipe and located on one side of the booster pump through a pipe, an extraction barrel is arranged in the extraction tank, a rotating mechanism is arranged in the extraction tank and located on the top of one side of the extraction barrel, a rotating ring is rotationally connected to the side wall of the extraction barrel, and a supporting ring is slidably connected between the bottom of the side wall of the extraction barrel and the inner wall of the extraction tank; and the carbon dioxide supercritical fluid extraction device has the beneficial effects that the extraction time and the gas-liquid separation time are shortened, the extraction efficiency is improved, the separation effect is improved, the carbon dioxide can be recycled, and the emission of the carbon dioxide is reduced.

The invention discloses an ablation-resistant polyphenylene sulfide composite material and a preparation method thereof, and belongs to the technical field of ablation-resistant materials. The polyphenylene sulfide composite material mainly comprises the following components: polyphenylene sulfide resin, alkali-free glass fibers and polyadipoyl m-xylylenediamine. The preparation method comprises the following steps: firstly melting and mixing polyphenylene sulfide resin and alkali-free glass fibers, then adding polyadipoyl m-xylylenediamine for secondary melting and mixing, cooling, curing anddicing to obtain a target product. The polyphenylene sulfide composite material obtained by the preparation method can bear high-temperature and high-pressure effects generated in a micro-arc oxidation process, has good ablation resistance, and is simple in preparation process.

The invention discloses a composite lithium membrane and a lithium ion battery pole piece of a diaphragm. By compositing the lithium membrane at two sides of the battery pole piece, first efficiency of the battery pole piece after the battery is produced is increased, irreversible capacity in the battery is decreased, energy density is increased; at the same time, the diaphragm is composited at outside of the lithium membrane, influence of environment on the lithium membrane can be effectively protected, and safety is greatly increased. The invention also provides a method for preparing the composite lithium membrane and the lithium ion battery pole piece of the diaphragm, by prefabricating a lithium membrane composite sheet, security during production is guaranteed, through a stitching mechanism, a lithium membrane lamination step is realized during a winding process of the battery pole piece, winding difficulty is greatly reduced, and the winding efficiency is enhanced.

The invention relates to an engine cover locking mechanism. The engine cover locking mechanism comprises an engine cover, a hinge, an engine cover lock and an engine cover position switch. The engine cover lock and the engine cover position switch are mounted on the engine cover; the hinge comprises a fixed leaf, a movable leaf, a hinge pin and an electromagnetic executing device, wherein the fixed leaf and the movable leaf are mounted on a vehicle body, the fixed leaf is provided with a fixed leaf limiting hole, the movable leaf is provided with a movable leaf limiting hole, the movable leaf and the fixed leaf are hinged to each other, and the electromagnetic executing device is fixedly connected with the fixed leaf and connected with the hinge pin. The engine cover locking mechanism has the advantages of not only meeting regulatory requirements, but also achieving automatic starting of engine cover locking, thereby bring great convenience to users, and meanwhile, due to the fact that the locking mechanism is arranged on the hinge, avoiding influence on protection of pedestrians in front of the engine cover.

Relating to the technical field of production of sulfuric acid from phosphogypsum and co-production of cement, the invention discloses a method for decomposing phosphogypsum to produce SO2 so as to solve the technical problems that excessive energy consumption of phosphogypsum decomposition and too high sulfuric acid preparation cost in the prior art restrict the development, utilization and industrialization of phosphogypsum. The method includes: adopting a vertical retort as main production equipment, adding a mineralizer into phosphogypsum, mixing the obtained mixture with coke in a weight ratio of 22.67:1, carrying out milling, homogenizing, pelletizing and drying, adding dry pellets into the vertical retort, taking coal gas as the fuel to preheat the vertical retort to600DEG C-700DEG C by flame isolation heating so as to enter a reduction section, raising the temperature to 820DEG C, conducting heat preservation for 1 hour and 20 minutes, letting a draught fan lead furnace gas out, and performing two-stage dedusting, thus obtaining the needed product SO2. The energy consumption of the method accounts only 45%-50% of that of the prior art. Thus, the method provided in the invention plays an energy-saving and emission reduction role in subsequent production of sulfuric acid and co-production of cement.

A force sensor including: a first part including a detection coil; a second part positioned opposite the first part and including: a ferromagnetic plate translationally movable relative to the first part to move towards the first part when a force is transferred to the sensor and to reduce reluctance of a magnetic circuit formed by the first and second parts in series with a variable gap; and an electronic detection circuit configured to generate a signal dependent on the reluctance of the magnetic circuit. The ferromagnetic plate is formed by an amorphous metal alloy.

The invention belongs to the technical field of power maintenance, particularly relates to a power transmission line fault remote tester, and provides the following scheme for solving the problem that an existing signal transmission line is too long and inconvenient to fold and unfold, the power transmission line fault remote tester comprises a box body, hydraulic columns are fixedly installed on the four sides of the bottom end in the box body, and bodies are fixedly installed at the top ends of the hydraulic columns; a rubber ring is fixedly installed at the top end in the box body, the body is located in the rubber ring, storage grooves are formed in the two ends of the other side of the box body, and rotating plates are rotationally installed at the upper ends of the storage grooves. According to the invention, the two ends of the other side of the box body are provided with the storage grooves, and the upper ends of the storage grooves are rotatably provided with the rotating plates, so that when a worker inserts an insertion rod wound with a signal line between the two rotating plates, the insertion rod is stably and rotatably installed between the two rotating plates through the rotational connection of a positioning sleeve and a threaded outer ring and the magnetic attraction of a magnetic core and the insertion rod; and an overlong signal wire can be conveniently wound, so that the problem that the signal wire is placed disorderly and is inconvenient to use is solved.