5123 results about "Protective shielding" patented technology

The invention relates to the technical field of power transmission line safety monitoring, and particularly discloses a self-adaptive calibration method for an ultrasonic wind speed sensor, which comprises the following steps of: arranging an orthogonal ultrasonic probe array at the top of a tower, and compensating probe offset caused by swinging of a tower body in real time through GNSS / IMU (Global Navigation Satellite System / Inertial Measurement Unit) fusion positioning; integrating a temperature, humidity and pressure sensor and vibration spectrum analysis to construct an environmental parameter compensation model; double-frequency ultrasonic waves are adopted to detect the ice accumulation thickness of the protective cover and correct the sound path distance; deploying a lightweight LSTM model at an edge computing unit to realize minute-level dynamic parameter adjustment; electromagnetic interference is suppressed by combining linear frequency modulation spread spectrum and beam forming technologies; and establishing a three-height-layer wind speed gradient model to generate a galloping early warning. The problem of measurement distortion caused by tower deformation, icing and parameter solidification of a traditional sensor is solved, all-working-condition operation from-40 DEG C to 60 DEG C is supported, and the monitoring reliability in a strong electromagnetic environment is remarkably improved.

The invention relates to the technical field of laser cutting equipment, and discloses galvanized coiled plate cutting equipment which comprises a mounting frame, a guide rail structure, a cutting structure, a conveying structure, an intercepting toothed plate, a slag removal fan and a discharging structure. The cutting structure comprises a cutting seat, a laser cutting head, a separated protective cover, the intercepting toothed plate, the slag removal fan and the discharging structure; the separated protective cover is formed by splicing a plurality of splicing covers. Each splicing cover comprises an outer cover plate, an inner air box, a limiting plate, a limiting spring and an air supply hose. When the device is used, high-pressure air is blown out of the inner air box to form a protective air curtain on the splicing cover, the annular air cover and the laser cutting head, and therefore the situation that slag splashes and is intercepted, and zinc steam adheres to the splicing cover, the annular air cover and the laser cutting head can be prevented; and air is forced to be discharged along the cutting seam by the closed space formed by the separation type protective cover, so that the blowing force of the airflow to the lower edge of the notch is enhanced, and the adhering slag can be forcibly stripped.

The invention relates to the technical field of aerogel defoaming, in particular to an aerogel slurry vacuum defoaming and dispersing device which comprises a control assembly, a lifting mechanism, a vacuum heating assembly and a stirring assembly, integrates the functions of vacuum defoaming, high-speed dispersing and uniform mixing, and is widely applied to scientific research laboratories and industrial production scenes. A high-precision vacuum system is adopted, tiny bubbles in the material are effectively removed, and the transparency and uniformity of a finished product are remarkably improved; a stepless speed regulation stirring device is arranged, so that the dispersion requirements of materials with different viscosities are met; a totally-closed acrylic protective cover and a stainless steel cavity structure are adopted, so that the operation safety is ensured, and the cleaning is easy; the touch console adopts a PLC + touch screen design, supports accurate setting and real-time monitoring of key parameters such as vacuum degree, time, stirring speed and the like, and is convenient to operate and high in repeatability.

The invention relates to furniture plate laser cutting equipment and a cutting method, and belongs to the technical field of laser cutting machines.The furniture plate laser cutting equipment comprises a machining table, a cross beam is arranged on the machining table, a laser head is arranged on the cross beam, and the laser head is slidably arranged on the cross beam and slides in the length direction of the cross beam; the driving device is used for driving the cross beam to slide and driving the laser head to slide to cut a plate; a protective cover is arranged on the laser head, the protective cover is made of a transparent material, a shielding piece is arranged in the protective cover, and the shielding piece is used for forming a shielding barrier in the protective cover to weaken the light intensity; the protective cover is arranged in the laser head body in a sliding mode, the protective cover slides in the vertical direction and is contained in the laser head body, polishing abrasive paper is arranged on the bottom wall of the protective cover and the side wall close to the bottom wall, the protective cover is rotationally arranged in the laser head body, and a first driving piece used for driving the protective cover to rotate is arranged in the laser head body. The laser cutting device has the effect of improving the laser cutting safety.

The invention relates to the technical field of valve body flange machining, and discloses a valve body flange drilling and tapping integrated device which comprises a support, a protective cover installed above the support and an XY-axis moving platform installed in the protective cover. The procedures of vertical drilling, transverse drilling, tapping, overturning, scrap removal, slag removal, cutter cleaning and the like are integrated in one device, multi-face and multi-type hole machining of a valve body is completed in a protective cover at a time, the through hole end of the valve body is positioned in an interference fit mode through a limiting column, a positioning disc, servo motor driving and electromagnetic lock indexing positioning are matched, and the machining efficiency of the valve body is improved. The valve body is ensured to be strictly kept in the same axis in the rotating and subsequent fixed shaft overturning processes, the valve body can be automatically grabbed and accurately overturned by 180 degrees through the overturning mechanism, the limiting column can be accurately sleeved with the through hole in the other end of the valve body again through overturning, it is ensured that the through holes in the two ends are drilled in the same straight line, and the machining efficiency is improved. And the problem of positioning errors caused by manual overturning is solved.

The invention relates to the technical field of bag-type dust removers, and particularly discloses a bag-type dust remover control terminal with a protection structure, which comprises a control box, the front surface of the control box is provided with a double door, and the control box is internally provided with a plurality of mounting plates through a plurality of arranged quick disassembly and assembly mechanisms; and protection mechanisms and cleaning mechanisms are arranged on the front faces of the multiple mounting plates correspondingly, and an auxiliary disassembly and assembly mechanism is arranged on the inner top face of the control box. According to the device, the protection mechanism is arranged around the control module, when the control module is on fire, the protection cover in an unfolded state can shield and protect the control module on which the fire is on fire, and when flames generated by the control module are large, the inner wall of the protection cover can be burnt through, so that dry powder in the protection cover is rapidly discharged outwards, and the safety of the device is improved. And the fire phenomenon of the control module is rapidly extinguished, so that the loss and negative influence caused by the fire in the control box are reduced, and the use requirements of people on the high protection performance of the control terminal equipment are met.

The invention discloses a metal material high-precision cutting system, which belongs to the technical field of metal processing, and comprises a platform body provided with a carrying guide rail and a cutting guide rail, the carrying guide rail is provided with a jig assembly, and the cutting guide rail is provided with a double-shaft walking mechanism of which the end part is provided with an actuator; a pecking drill cutting assembly integrated with an air blade chip removal assembly is arranged on the side face of the actuator. By arranging the pecking drilling cutting assembly, the voice coil motor drives the saw blade to achieve high-frequency micro-amplitude reciprocating motion, pecking drilling type cutting is formed, cutting resistance and thermal stress are effectively reduced, and casting microcracks and saw blade tooth breakage are avoided; a monitoring piston can provide buffering and vibration reduction, resistance is fed back in real time through an air pressure sensor so as to dynamically adjust a double-shaft walking mechanism, a protective cover and an air blade chip removal assembly cooperate, a front nozzle removes surface impurities and cuttings in a kerf, a rear nozzle conducts sweeping and cleaning, and it is ensured that the kerf is clean and effectively cooled.

The utility model discloses an air track structure and an air carrier system, and the air track structure comprises a first track body and a second track body which are parallel, have the same height and are arranged at intervals, a protective cover with a U-shaped cross section is arranged between the first track body and the second track body, is connected to the two sides of the first track body and the second track body, and covers the upper parts of the first track body and the second track body; and the protective cover, the first track body and the second track body enclose to form a running channel in which a walking mechanism of the aerial carrier moves. The protective cover is used for protecting the space above the first track body and the second track body in a wrapping manner, so that accumulated dust on the first track body and the second track body cannot be blown off by air blown out by the fan filter unit, and adverse effects caused by the fact that the dust is scattered to a process area are effectively avoided; and the cleanliness of the clean room can be improved.

The invention provides an air-cooled array surface structure adopting a vapor chamber frame, which comprises a vapor chamber array surface frame, an antenna cover, a receiving and transmitting assembly, an antenna, a shell, a connector, a temperature monitoring unit, an array surface distribution plate, a high-power-consumption functional module, a low-power-consumption functional module, a temperature control module, a large-air-volume axial flow fan, an internal turbulent flow fan and a semiconductor refrigerator, a semiconductor refrigerator cold end, a semiconductor refrigerator hot end, a loop heat pipe, a loop heat pipe cold end, a loop heat pipe hot end, an air duct cover plate, a rear cover plate, a rear cover plate external groove, a rear cover plate internal groove, a sealing rope, a fan protective cover, captive screws and trunnions are included. According to the design of the invention, the array surface heat dissipation mode is changed from liquid cooling to air cooling, the design requirements of light weight and low cost of the array surface structure are realized, and the effect of the heat dissipation system and the redundancy design is verified step by step in the high-temperature environment test process to meet the requirements.

The invention discloses a ship cable special-shaped tinned conductor and a production system thereof, the ship cable special-shaped tinned conductor comprises a central lead, the cross section of the central lead is of a circular structure, a layer of concentric single wires is wound outside the central lead, the number of the layer of concentric single wires is not less than 6, the cross section of the layer of concentric single wires is circular, and the cross section of the layer of concentric single wires is circular. An outer ring special-shaped single wire is wound outside the layer of concentric single wires; the invention relates to the technical field of cable conductors, and provides a special-shaped tinned conductor for a ship cable and a production system, through structure optimization and process innovation, the cable performance and the production efficiency are remarkably improved, the conductor adopts a composite structure of multiple layers of concentric single wires and outer ring trapezoidal special-shaped single wires, and tinning treatment is combined, so that the production efficiency is improved. The contact resistance is reduced while the high filling rate is ensured; according to the production system, accurate arrangement and stable winding of multiple layers of single wires are achieved through the grading winch placer, the protective cover body rotating synchronously and the tension compensation device, and the problems that a traditional technology is complex in operation, prone to scratching and the like are solved.

The utility model relates to the technical field of magnetic floater liquid level meters, in particular to a visual magnetic floater liquid level meter display device which comprises a body pipe, two bypass liquid guide pipes arranged on the rear side of the outer wall of the body pipe, an upper blocking cover arranged at the top of the body pipe, a flange lower cover arranged at the bottom of the outer wall of the body pipe and a turning plate box arranged on the front side of the body pipe. A magnetic turning plate indicator and a graduated scale are arranged on the front side of the turning plate box, a frame-shaped butt joint groove is formed in the front side of the outer wall of the turning plate box, a protective cover is arranged at the frame-shaped butt joint groove in a sleeving mode, and a transparent acrylic plate is arranged on the front side of the protective cover in a penetrating mode. According to the visual magnetic floater liquid level meter display device, the replaceable protective cover is designed, when the transparent acrylic plate is damaged or affected by dirt, a user does not need to replace the whole device or carry out complex cleaning, only the protective cover needs to be replaced, maintenance complexity and time cost are greatly reduced, and the visual magnetic floater liquid level meter display device is convenient to use. And the maintainability and the service life of the equipment are improved.

The utility model provides an automation device used for airtightness detection of silica gel piece products, comprising an airtightness detector, the airtightness detector comprises an inflation nozzle, a pressure sensor, an inflation pump and a control box, the automation device also comprises a work bench and a controller, and two sides of the work bench are divided into a feeding area and a detection area; the feeding area is provided with a horizontal moving mechanism. The horizontal moving mechanism comprises a first air cylinder, a linear guide rail and a sliding table. The detection area is provided with a protective cover and a vertical moving mechanism; the utility model aims to provide the automatic equipment for detecting the airtightness of the silica gel piece product, after the product is automatically moved to a detection area along the linear guide rail, the lifting rod of the vertical moving mechanism drives the lifting plate to move downwards to press the product, and the airtightness instrument starts to detect; meanwhile, airtightness detection is performed on multiple products, and the detection efficiency is improved.

A transportable well completion tool is described. The transportable well completion tool comprises a housing with a charge module disposed within the housing. The charge module comprises explosive charges. An initiator module comprising a detonator is coupled to the housing, and a bulkhead member is disposed within the housing between the initiator module and the charge module. A containment cover is secured to the housing to cover the detonator. The transportable well completion tool can be transported with the containment cover in place, and the containment cover can be removed to connect the well completion tool to a tool string for downhole deployment.

The invention relates to the technical field of tunnel construction safety monitoring, in particular to a tunnel construction monitoring device based on three-dimensional scanning, and the device comprises a mounting box which is provided with a drainage hole in the lower end and an observation window in one side; the mounting frame is mounted in the mounting box; the three-dimensional scanner is mounted on the mounting frame; the protective cover is made of a transparent material, covers the three-dimensional scanner, is rotationally connected with the mounting box, can rotate relative to the mounting frame and the mounting box, can seal the observation window and divides an inner cavity of the mounting box into a cleaning cavity and a cleaning cavity; the driving assembly is in transmission connection with the protective cover; the spray-washing assembly is linked with the protective cover and can spray water to the part, located in the cleaning cavity, of the protective cover; and the scrubbing assembly is installed in the cleaning cavity and located on the rear side of the spray-washing assembly, and in the rotating process of the protective cover, the spray-washing assembly can be sequentially driven to wash the protective cover and make contact with the scrubbing assembly. According to the invention, on-line cleaning can be automatically carried out on the transparent shield, and construction pause caused by cleaning of the three-dimensional scanner can be avoided.

The utility model belongs to the technical field of tensile test piece devices for quantitatively detecting coating binding force, and discloses a tensile test piece device for quantitatively detecting coating binding force, which comprises a support seat I and a support seat II, a pneumatic chuck I is mounted in the middle of the upper end surface of the support seat I, and a pair of support rods is mounted on two sides of the upper end surface of the support seat I; first sliding grooves are formed in the opposite sides of the supporting rods, telescopic sleeves are slidably connected into the first sliding grooves, telescopic grooves are formed in one sides of the telescopic sleeves, telescopic rods are movably connected into the telescopic grooves, protective covers are installed at one ends of the telescopic rods, second sliding grooves are formed in one sides of the first sliding grooves, and locking screws are installed on one sides of the second sliding grooves. According to the device, the welding position of a test piece can be wrapped through a pair of protective covers, the situation that in the stretching process, the welding position is suddenly broken, chippings splash and injure testers accidentally is avoided, meanwhile, the chippings can be conveniently and rapidly cleaned, and the practicability of the product is improved.

The invention, which relates to the technical field of the sensor, discloses a temperature-humidity-pressure composite sensor comprising a housing, a first PCBA board, a second PCBA board, a mounting seat and a protective cover. The peripheral side of the shell is provided with external threads used for connection and installation, the installation base is arranged in the shell, the first PCBA board and the second PCBA board are fixedly connected to the two opposite sides of the installation base respectively, and the first PCBA board is electrically connected to the second PCBA board. The first PCBA board is provided with an acquisition device for detecting temperature, pressure and humidity, and the protective cover is connected to the shell and covers the first PCBA board; the second PCBA board is provided with a power supply and a signal processing device, and one end, far away from the first PCBA board, of the second PCBA board is provided with an electrical interface; and a pouring sealant is poured in the shell, is arranged on one side, facing the second PCBA board, of the mounting seat, and is fixedly connected with the second PCBA board, the shell and the mounting seat. The invention has the advantages of simplicity in manufacturing, high assembly efficiency and low cost.

The invention provides a three-dimensional scanning wind measurement laser radar system for an offshore rocket platform, which comprises a three-dimensional scanning laser radar, a shipborne attitude compensation module, a data processing module and a protective cover, and is characterized in that the three-dimensional scanning laser radar is used for emitting laser pulses and receiving original detection signals which are scattered by aerosol and penetrate through the protective cover; correcting the direction of the scanning head according to the attitude compensation signal, and outputting scanning track correction data; the shipborne attitude compensation module monitors the attitude change of the platform and generates a compensation signal to counteract the shaking influence; after the data processing module preprocesses the original signal, atmosphere three-dimensional wind field data is calculated in combination with scanning track correction data; the protective cover isolates tail flame heat radiation, strong light and seawater erosion and is used for guaranteeing detection stability; based on an offshore rocket platform scene, platform shaking is offset through shipborne attitude compensation, tail flame and seawater interference is isolated through a protective cover, the atmospheric three-dimensional wind field is calculated in combination with data processing, and the high-precision wind measurement requirement in the marine environment can be effectively met.

The invention discloses a lunar dust protection system for a low-energy particle detector. The lunar dust protection system comprises a protective cover, a nitrogen blowing opening, a pressing device, an unfolding device, a power supply subsystem and a control subsystem, wherein the protective cover and the nitrogen blowing opening are integrally designed; the protective cover covers the head of the sensor and is consistent with the head of the sensor in shape; the nitrogen blowing port blows nitrogen into the sensor in a ground test stage to prevent pollution; the blocking cap is used for blocking before the satellite is launched to prevent dust pollution; when the system is in a protection state, the pressing device presses the protective cover and the head of the sensor, and the protective cover is released through thermal cutting according to an instruction of the control subsystem; the unfolding device is matched with the pressing device to achieve unfolding of the protective cover, and the protective cover is locked after being released to a designated position. The power supply subsystem supplies power to the pressing device according to an instruction of the control subsystem; the control subsystem periodically collects state monitoring parameters and transmits the state monitoring parameters to the load management unit, controls power-on and power-off of the pressing device according to a ground remote control instruction, and executes unfolding operation of the system.

The invention relates to the technical field of material conveying devices, in particular to a material conveying device for polyacrylamide preparation and an operation method.The material conveying device comprises a material conveying barrel, a spiral shaft is rotationally connected into the material conveying barrel, a feeding hopper is installed at the bottom end of the material conveying barrel, and the top of the material conveying barrel is sleeved with a protective cover; a plurality of heating pipes are fixedly arranged on the outer side of the conveying barrel in a sleeving mode, a movable frame is slidably connected between the protective cover and the conveying barrel, a screw rod is in threaded connection with the surface of the movable frame, one end of the screw rod is rotationally connected to the end of the protective cover, a plurality of mounting grooves are formed in the inner ring face of the movable frame, and knocking blocks are inserted into the mounting grooves; a spring is fixed between the knocking block and the mounting groove; the device has the beneficial effects that by arranging the moving frame, the knocking block, the spring, the heating pipe and other structures, in the reciprocating movement process of the moving frame, the knocking block periodically knocks the outer wall of the material conveying barrel through the elastic effect of the spring and blocking of the heating pipe, and therefore materials, close to the inner wall of the material conveying barrel, for preparing polyacrylamide are vibrated off.

The utility model discloses a hydraulic pipeline and hydraulic motor protection device, a walking device and an excavator. The hydraulic pipeline and hydraulic motor protection device comprises a protection cover and a sealing plate device. The protective cover is of a semi-closed structure, is fixed on the vertical surface of the outer side of the longitudinal beam, and can wrap the hydraulic motor at the end part of the longitudinal beam and the hydraulic pipeline around the hydraulic motor in a box body formed by the protective cover and the longitudinal beam; a window for checking and maintaining the hydraulic pipeline and the hydraulic motor is arranged at the position, right opposite to the hydraulic motor, of the protective cover; after the sealing plate device completely covers the window, the sealing plate device and the protective cover are fixed together in a detachable mode. According to the hydraulic pipeline and hydraulic motor protection device, on one hand, the hydraulic pipeline and the hydraulic motor can be effectively protected and prevented from being damaged by external factors, and on the other hand, a sealing plate device which is specially used for later maintenance of the hydraulic pipeline and the hydraulic motor and can be opened is further designed.

The invention discloses mechanical part laser cutting machining equipment, and relates to the technical field of mechanical part machining. The device comprises a rack, a mounting plate is fixedly connected to the front face of the rack, and a laser cutting machine is fixedly connected to the bottom of the mounting plate; a protection mechanism is arranged on the front face of the laser cutting machine. A gear set is linked with a rotating shaft to drive the protective cover to be opened and closed stably, a guide column is matched with a sliding frame to enable the protective cover to move outwards to avoid collision, an extension rod compresses a spring for buffering during closing, meanwhile, an inner side cleaning pad makes contact friction with the laser cutting head, smoke residues are automatically removed, the cutting head is kept clean, the cutting precision is improved, and the service life of equipment is prolonged. The direction of the fan is intelligently switched along with the state of the protective cover, the protective cover is semi-opened during cutting, the fan obliquely adsorbs smoke dust in a cutting area, interference is avoided, the fan is vertically upward during closing, the fan cooperates with the heat conduction plate and the cooling fins to form a forced convection air channel, heat dissipation is accelerated, and the problems of cutting smoke dust pollution and equipment overheating are solved.

The utility model discloses a pressing device for a powder sample and a high-purity indium sheet of a glow discharge mass spectrometer, and belongs to the field of glow discharge mass spectrometry in chemical component analysis. The device comprises an external supporting and protecting system, an internal tabletting system and upper and lower pressing dies. The external supporting and protecting system comprises a touch screen, a protective cover, a safety grating, a control box and the like. The internal tabletting system is composed of an equipment base, a fixed stand column, a movable table, an electric push cylinder, a pressure sensor and the like, and the movable table is driven by the electric push cylinder to drive a lower pressing die to move upwards to be matched with a fixed upper pressing die to complete pressing. The device adopts replaceable upper and lower pressing dies and a sample pressing ring, and meets the preparation requirements of samples with different sizes. The device solves the problems that a powder sample is difficult to compact and the thickness of the prepared indium sheet is not uniform, the pressing parameters are controlled in a programmed manner, the prepared sample can be directly tested without demolding, the integrity of the sample and the test accuracy are effectively ensured, the operation is safe, the efficiency is high, and the economical efficiency is good.

The utility model relates to the field of aviation mechanical parts, in particular to aviation mechanical part reliability life analysis pressure detection equipment which comprises a workbench and is used for aviation mechanical part life analysis pressure detection. According to the pressure detection equipment for reliability and life analysis of the aviation mechanical part, through the arrangement of the protective cover, the sealing door, the electric heater, the hydraulic cylinder, the hydraulic pump, the connecting sleeve, the pressure sensor, the contact block, the driving signal controller and the display, the aviation mechanical part is placed on the placing plate, and the sealing door is closed; then multiple sets of electric heating devices on the two sides in the protective cover are turned on, the interior is heated through the electric heating devices, then a hydraulic pump switch is turned on, oil pressure is generated in the interior to push a hydraulic cylinder and a contact block at the lower end to press downwards, and therefore pressure detection is conducted on the mechanical parts; and data obtained by a pressure sensor above the contact block is transmitted to a driving signal controller, and then the driving signal controller transmits the data to a display for observation and analysis.

The invention belongs to the technical field of tunnel monitoring, and particularly relates to dust interference prevention data correction equipment for tunnel flatness monitoring and a correction method, the dust interference prevention data correction equipment comprises an arched electric slide rail, the surface of the arched electric slide rail is slidably connected with a slide block, one side of the slide block is provided with an auxiliary mechanism, and the auxiliary mechanism comprises symmetrically arranged support frames. According to the correction equipment and method, the influence of external vibration on the high-precision laser scanner can be reduced by arranging a double-layer structure of the anti-interference mechanism, the protection tube and the isolation tube, the protection cover made of an optical-grade sapphire glass material has high light transmittance and anti-scratching performance, and the dust adhesion rate can be reduced by a surface nano coating; the high-pressure air pump isolates external dust through an annular air curtain formed by the air inlet pipe and the air inlet groove by means of airflow with the speed higher than that of air in the tunnel, the external dust is prevented from entering a scanning area, interference of dust, water vapor and other impurities on a scanning light path is reduced from the source, and the definition of original data obtained by the laser scanner in the complex tunnel environment is guaranteed.

The utility model discloses a small cutting tool with a protection function. The small cutting tool comprises a rack and an electric unit. The middle of the rack is slidably connected with a cutter seat, the lower end of the cutter seat is provided with a cutter, the right end of the rack is provided with a V-shaped seat, the middle of the rack is provided with a protective shell, the right side face of the protective shell is rotatably connected with a protective cover, the lower end of the protective cover is provided with an overturning detection assembly, and the lower end of the protective cover is slidably connected with a guide plate moving vertically. The guide plate is positioned above the V-shaped seat; and the electric unit is used for driving the cutter base to move up and down, a control switch is arranged on the upper surface of the rack, and the input end of the control switch is electrically connected with an external power source. According to the small cutting tool with the protection function, an electric structure can be used for driving the cutter to move up and down in a reciprocating mode, and a turnover protective cover is arranged on the feeding side of the cutter for protection; and the opening state can be detected, the protection performance is good, overhauling is convenient, use is convenient, and safety is high.

An optical face protection shield is provided having a support body, an optic lens, and an elongate heater. The support body has a user interface. The optic lens is carried by the support body over a user's face configured to protect a user. The elongate heater is carried by the optic lens so as to traverse an expansive surface area of the optic lens. The elongate heater has an elongate resistive heating element and an outer thermally transmissive, peak temperature mitigating, and an electrically insulative cover material encompassing the resistive heating element. A method is also provided.

The present application relates to laser engraving machine technical field, specifically propose a kind of furniture laser engraving equipment, including the workbench of being equipped with fixing device, fixing device is used to place the material to be engraved and is fixed, the upper portion of workbench is equipped with movement control system for controlling the movement of laser head, the surface of movement control system is equipped with exhaust device and heat conduction device that can move with laser head, the inside of protective cover assembly is equipped with elastic rope for connecting heat conduction rod;The present application sets up heat conduction piece one, heat conduction piece two, heat conduction rod and semiconductor refrigeration sheet, when laser head accelerates and decelerates, the force generated by inertia will drive two sides heat conduction rod to move and be respectively in the surface of heat conduction piece one, the heat absorbed by heat conduction piece one surface will be transmitted by heat conduction rod instantaneously, thus there is stronger cooling in the stage of turning to neutralize the high temperature generated by longer residence time, to effectively reduce the incision or scorching of bending position, ensure the stability of processing engraving.

The utility model relates to the technical field of lifting equipment, in particular to convenient lifting equipment based on inductive control, which comprises a base, a guide rail, a lifting platform, a driving assembly, an induction module, a protective cover and the like. The operation state and the external working condition are monitored in real time through the sensing module, lifting parameters are dynamically adjusted in combination with the pressure sensor and the infrared distance meter, and adaptability and response speed are improved; the buffer device reduces impact force and prolongs the service life; the heat dissipation and cooling system improves the stability. Intelligent control can be achieved, the maintenance cost is reduced, the application range is expanded, and the high-efficiency operation requirement under the complex environment is met.

The invention discloses an automobile battery automatic falling-off device, and relates to the technical field of new energy automobiles, the automobile battery automatic falling-off device comprises a main body bearing frame, a protective cover shell, a power battery module, active separation units and safety locking mechanisms, the two active separation units are symmetrically arranged on the two sides of the frame, and the two safety locking mechanisms correspond to the two sides of the protective cover shell; in the active separation unit, a drive motor drives a threaded rod to enable an L-shaped sliding block to slide along a sliding rail, a slope ramp at the bottom end of the sliding block is matched with a reverse reset slope of the protective cover shell through a rolling friction wheel, and separation power is output. A safety locking mechanism pushes a telescopic movable column to be clamped into a buckle limiting groove to be locked through a reset compression spring, a wedge-shaped locking block is matched with the movable column, linkage separation is achieved during unlocking, a frame guiding limiting column and a protective cover shell positioning inserting hole are accurately guided, a protective cover shell is provided with an emergency handle, a buffering sealing ring and a protective liner, and it is guaranteed that separation is stable and safe, and emergency is reliable.