7169 results about "Protective shielding" patented technology

The invention, which relates to the technical field of the motor, discloses a variable-frequency and variable-speed permanent magnet motor of a stator core heat dissipation structure without a casing, comprising a stator core, an end cover, a motor shaft, a rotor, an axial fan, a heat dissipation channel, a spacer ring, a heat dissipation port, a protective cover, a baffle plate and a mounting seat, the baffle plate is provided with a communication port corresponding to a mounting cavity and the heat dissipation port; the low-temperature shrinkage stress prevention assembly is mounted on the baffle and used for driving the baffle to rotate, so that the opening part of the heat dissipation opening is opened and closed; and the air flow adjusting assembly is arranged on the mounting seat and is used for adjusting the air flow in the heat dissipation channel based on the rotating speed of the motor shaft. According to the invention, the air flow adjusting assembly is used for adjusting the air flow rate in the heat dissipation channel when the rotating speed of the motor shaft changes, so that the air flow rate in the heat dissipation channel is increased when the rotating speed of the motor shaft is reduced, and thus the air flow rate in the heat dissipation channel is relatively high when the rotating speed of the motor shaft is reduced; and therefore, the influence on the gas flowing effect is small.

The invention belongs to the technical field of integrated circuit board manufacturing, and particularly relates to a pressing device for an integrated circuit board, which comprises a cabinet body and a protective cover arranged above the cabinet body, a lower pressing plate and an upper pressing plate which are used for pressing the integrated circuit board are mounted in the protective cover, the lower pressing plate is arranged in a square frame fixedly arranged on the top surface of the cabinet body, and the upper pressing plate is connected with a power driving unit arranged in the protective cover; a plurality of heat conduction parts are mounted on the corresponding surfaces of the upper pressing plate and the lower pressing plate in an array manner, and a graphene heating film is mounted in each heat conduction part; a cavity is formed in the upper pressing plate, multiple sets of pressure compensation mechanisms are installed in the cavity in an array mode, and each set of pressure compensation mechanism corresponds to each heat conduction part. According to the invention, stable and high-quality press-fit forming operation of the integrated circuit board can be carried out between the upper pressing plate and the lower pressing plate which independently control the temperature and uniformly apply pressure, so that the press-fit forming quality and the press-fit forming yield of the integrated circuit board can be improved.

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 an outdoor protective box-type substation, which relates to the technical field of box-type substations and comprises a box body, a box door hinged to the box body and a box cover covering the top of the box body. A plurality of heat dissipation openings are formed in the opposite vertical side faces of the box body, protective covers with downward openings are fixedly arranged on the outer side opening edges of the heat dissipation openings, and drainage covers with upward openings are fixedly arranged on the inner side opening edges of the heat dissipation openings. According to the invention, the protective cover can shield most of rainwater falling from the side surface and prevent the rainwater from directly entering the heat dissipation opening, so that the risk of rainwater permeation is greatly reduced. Meanwhile, due to the design of the drainage cover, when rainwater infiltrates accidentally, water flow can be guided to flow out upwards along the cover body, and the water flow is prevented from making contact with electrical elements in the box body. The dual protection mechanism not only guarantees the heat dissipation requirement of the box-type substation, but also remarkably improves the rainproof performance of the box-type substation, and ensures the stable operation of equipment under severe weather conditions.

The invention relates to the technical field of pole-mounted circuit breakers, in particular to a pole-mounted circuit breaker with a protective cover, which comprises a circuit breaker body, the circuit breaker body is detachably connected with the protective cover, the top of the protective cover is provided with a through hole for a cable to pass through, and two opposite side walls of the protective cover are provided with access holes in a penetrating manner. The protective cover is movably provided with a door curtain used for shielding the access hole, the door curtain and the protective cover are both provided with locking structures, and the locking structures are used for locking the door curtain on the protective cover. The circuit breaker body is protected through the protective cover, the operation safety is remarkably improved, the service life of equipment is remarkably prolonged, and the movable door curtain is arranged so that an operator can conveniently overhaul the circuit breaker body.

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 present invention discloses an intelligent onboard protection system for a plasma detector, comprising: an integrated protective cover and a nitrogen blowing port, a pressing device, a deployment device, a power supply subsystem and a control subsystem; the protective cover covers the sensor head and has an appearance consistent with the shape of the sensor head; the nitrogen blowing port blows nitrogen into the interior of the sensor during a ground test phase to prevent contamination; the system is sealed with a blocking cap before satellite launch to prevent dust contamination; the pressing device presses the protective cover against the sensor head when the system is in a protection state, and releases the protective cover by thermal cutting according to the instruction of the control subsystem; the deployment device cooperates with the pressing device to realize the deployment of the protective cover, and locks the protective cover after it is released to a specified position; the power supply subsystem supplies power to the pressing device according to the instruction of the control subsystem; the control subsystem periodically collects status monitoring parameters and transmits them to a payload management unit, controls the power on and off of the pressing device according to the ground remote control instruction, and executes the deployment operation of the system.

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 the technical field of photovoltaic cleaning, in particular to an auxiliary cleaning device for a photovoltaic cleaning robot, which comprises a protective cover, a supporting transverse plate is arranged in an inner cavity of the protective cover, butt joint plates are symmetrically clamped to the left end and the right end of the supporting transverse plate, and supporting frames are fixedly connected to the sides, away from each other, of the two butt joint plates. Wherein one supporting frame is fixedly connected with the inner side wall of the protective cover through a connecting plate, the other supporting frame is directly and fixedly connected with the inner side wall of the protective cover, the butt joint plate is connected with the supporting transverse plate through a locking mechanism, and the supporting transverse plate is sleeved with a left-right shaking mechanism. The synchronous rotating seat moves close to the rotating column, and meanwhile, the synchronous rotating seat drives the regular polygon sliding column to be inserted into the regular polygon shrinkage groove; and then the supporting transverse plate is inserted between the two butt-joint plates from front to back, the butt-joint plates and the supporting transverse plate are locked through the locking mechanism, and at the moment, the butt-joint plates cannot be separated from the butt-joint grooves.

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 discloses a multi-channel combined type laser marking device, and relates to the technical field of laser marking, the multi-channel combined type laser marking device comprises a rack, the side face of the rack is fixedly connected with a bottom protection plate, the top end of the rack is fixedly connected with a supporting frame, the front side and the rear side of the supporting frame are each provided with a protection cover, and a laser marking mechanism is arranged below the supporting frame; a centering mechanism is arranged below the laser marking mechanism, a control mechanism is arranged at the front end of the centering mechanism, and a conveying belt is arranged below the control mechanism. The laser marking mechanism comprises a ventilation structure and a gas protection structure. The ventilation structure comprises a ventilation pipe, the ventilation pipe is fixedly connected to the front side face of the galvanometer module, a bent ejector rod is arranged in the ventilation pipe, the top end of the bent ejector rod is fixedly connected with a sealing piece, and the outer surface of the ventilation pipe is fixedly connected with a connecting pipe. According to the invention, the sprayed nitrogen or carbon dioxide is used for preventing oxidation or material damage.

The invention relates to a safety protection device for airtightness detection of hydrogen storage equipment, and belongs to the technical field of sealed container detection, the device comprises a protective cover and a hydrogen storage tank to be detected, the hydrogen storage tank is placed in the protective cover, and the airtightness of the tank body is detected by increasing the pressure intensity in the tank body and forming an air pressure difference with the pressure intensity in the protective cover. The air tightness detection unit comprises a transparent tube, a detection outer box body, a piston, a light source and a photosensitive element, whether the air tightness is intact or not is judged by detecting changes of light interference conditions, the device can effectively prevent operators from being hurt by hydrogen leakage in the detection process, meanwhile, the detection precision and efficiency are improved, and the protective cover comprises an upper cover and a lower cover. A complete sealed cavity is formed after splicing, a supporting seat and a sealing ring seat are arranged in the sealed cavity and used for supporting a hydrogen storage tank to be detected and separating a sealed area, through cooperative work of all the components, the device achieves efficient and accurate detection of the air tightness of the hydrogen storage equipment, and meanwhile the safety of the operation process is ensured.

The utility model relates to the technical field of gas turbine power plants, in particular to a safety ventilation device for a gas turbine power plant, which comprises a blowpipe, a connecting pipe and a filter component, the connecting pipe is fixedly connected with the blowpipe, and the filter component comprises two groups of barriers, an extension plate, a fixing plate, a driving motor, a driving gear, a protective cover, a lifting part and a cleaning part. The extension plate is fixedly connected with the blowing pipe; the fixed plate is fixedly connected with the extension plate; the output end of the driving motor is fixedly connected with the driving gear; the driving gear is meshed with the barrier pieces; in this way, the filter screen can be effectively prevented from being abraded, the service life of the filter screen is prolonged, when the filter screen is cleaned through the structural arrangement, the ventilation device can work normally, and the practicability of the device is improved.

The utility model discloses a fan protective cover structure, which relates to the technical field of fans, and comprises a fan body, a transmission part, a driving motor and a protective cover, the protective cover comprises a protective cover body, the protective cover body comprises an outer side plate and a top plate, the transmission part is positioned below the top plate, the fan body comprises a fan shaft, and the driving motor comprises a motor shaft. The distance between the fan shaft and the motor shaft in the first direction is adjustable, the protective cover further comprises an inner side plate, the transmission part is further located between the inner side plate and the outer side plate, the inner side plate is provided with a first through hole allowing the motor shaft to move in the first direction, and the motor shaft penetrates through the first through hole; and the movable protection plate is arranged on the side face, away from the outer side plate, of the inner side plate, the motor shaft is sleeved with the movable protection plate, and the first through hole is shielded by the movable protection plate. The fan solves the technical problem that in the prior art, the side, close to the fan body, of a transmission part is exposed.

The invention relates to the technical field of surveying and mapping devices, in particular to a constructional engineering surveying and mapping device which comprises a protective cover, an installation disc and supporting legs, after the installation disc is stabilized, the installation disc is limited to rotate in a protective cavity, then a total station is installed on the installation disc, and the total station can freely slide on the surface of the installation disc; if the total station encounters strong wind during measurement, once the protective cover topples over and the landing legs separated from the ground slide along the arc-shaped guide rails, firstly, the angle between the landing legs separated from the ground and the landing legs in contact with the ground is adjusted to be increased, the moment for resisting the toppling of the protective cover is increased, and the toppling of the protective cover is avoided; therefore, the damage probability of the internal structure of the total station is reduced.

The utility model provides an electric connection protective cover and an electric connection device, and is applied to the technical field of ship battery replacement, the electric connection protective cover comprises a cover shell and a locking piece, the locking piece is movably connected to the cover shell and can move relative to the cover shell to be switched between an unlocking position and a locking position, and when the locking piece is switched to the locking position, the locking piece is locked to the unlocking position. The locking piece can be matched with the mounting plate to enable the housing to be in a locking state and cover the mounting plate of the electric connection device so as to realize sealing protection on the electric connector on the mounting plate; and when the locking piece is switched to the unlocking position, the locking piece can be unmatched with the mounting plate, so that the housing is in an unlocking state and is separated from the mounting plate, and the electric connector is butted with the battery pack to realize electric connection. According to the invention, the housing covers the mounting plate of the electric connection device through the locking piece to form sealing protection for the electric connector, and the safety accident of equipment short circuit caused by condensation of the electric connector due to high external air humidity can be effectively avoided.

The present invention discloses a pipeline welding processing device, which relates to the technical field of pipeline welding. The present invention includes an insulating base plate, a protective cover, a clamping part, a calibration rod and a calibration needle; the clamping part realizes stable clamping of pipelines with different diameters through a servo motor, a swing adjustment electric cylinder and clamping rollers, and accurately adjusts the pipeline axis height and the parallelism of the weld end face; the calibration needle cooperates with a high-voltage generator to judge the pipeline axis deviation through the arc distribution and assist in calibration. The device is easy to operate, can effectively improve the alignment accuracy and efficiency of pipeline welding, is applicable to various pipeline diameters, significantly reduces the difficulty of manual adjustment, ensures the welding quality, and is particularly suitable for high-precision pipeline welding scenarios.

The invention discloses a marine cast-in-place concrete strength automatic acquisition system, and relates to the technical field of concrete strength acquisition, the marine cast-in-place concrete strength automatic acquisition system comprises an ultrasonic rebound apparatus, a protective cover is mounted on the ultrasonic rebound apparatus, and a push handle is rotatably connected to the ultrasonic rebound apparatus away from a detection end; the automatic acquisition system for the strength of the marine cast-in-place concrete further comprises a multi-area stable control mechanism and a modular quick-release mechanism, according to the scheme, the holding handle groove is formed in the bottom of the U-shaped pulling plate, an operator can rapidly pull the U-shaped pulling plate to slide through the holding handle groove, and therefore modular mounting and dismounting of the multi-area stable control mechanism and the ultrasonic rebound apparatus can be rapidly controlled. Compared with a traditional fixed auxiliary device, the multi-area stable control mechanism can be rapidly installed on the ultrasonic rebound apparatus according to different use scene requirements through modular rapid installation and arrangement of the scheme, and can be rapidly disassembled after detection is completed, and the time for preparation and ending work is shortened.

A fire pit barrier may help reduce the likelihood of contact with a side of a fire pit. The fire pit barrier may include a frame couplable to the fire pit. The frame may include a top support, a bottom support, and at least one connector extending between the top support and the bottom support. The frame may also include a shield coupled to the frame. The fire pit barrier may be configured to cover an outer surface of the fire pit and inhibit heat transfer from the fire pit to an exterior side of the shield.

A fire scene object infrared contour detection device disclosed by the present invention comprises a top seat and a transparent protective cover, the transparent protective cover is arranged at the bottom of the top seat, the transparent protective cover is internally provided with a detection assembly, the detection assembly comprises a supporting rod, the supporting rod is fixedly connected with the top seat, and the supporting rod is fixedly connected with the top seat. A stand column is fixedly connected to the middle of the supporting rod, a fixing base is fixedly connected to the bottom of the supporting rod, and a first motor is installed on the top of the fixing base. The problem that dust is attached to the outer side of the transparent protective cover to block sight is solved through the outer wall cleaning ring, detection blind spots are avoided, the inner wall cleaning ring is beneficial to preventing the phenomena that the inner wall fogs, the sight is blocked and the detection effect is affected, the transmission cylinder drives the lifting ring on the outer side to ascend and descend, the angle of the adjustable detection head can be adjusted, and the detection efficiency is improved. The detection range can be adjusted according to needs, and the multiple adjustable detection heads are arranged, so that all-directional detection is facilitated.

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.

In one example, a portable shield includes a first cover, a second cover, a panel, and a retention system. The second cover is configured to couple to the first cover and thereby from an enclosed cavity between the first and second covers. The panel is configured to fit entirely within the enclosed cavity and to prevent penetration of a projectile having a kinetic energy greater than 500 foot-pounds. The retention system is configured to bear the load of the panel and to hold the panel in a fixed place within the enclosed cavity.

The invention discloses a multi-element X-ray detector automatic calibration system and a working method thereof, and relates to the technical field of nondestructive detection.The multi-element X-ray detector automatic calibration system comprises a box body, a protective cover is arranged on the box body, a Y-axis guide rail is arranged in the protective cover, a Y-axis driving device is arranged on the protective cover, and an X-axis driving device is arranged on a supporting plate and used for driving a sample table to move on an X-axis guide rail on the supporting plate; the detector driving device is arranged on the protective cover and used for driving a detector moving block on a detector guide rail on the top wall of the protective cover to move along the detector guide rail, an X-ray detector is installed at the bottom of the detector moving block through a connecting arm, and a plurality of X-ray tubes are arranged at the bottom of the X-ray detector. A sensor, a vacuum adsorption system and a radiation detector are arranged on the inner rear wall of the protective cover, and a touch display panel is arranged on the outer side of the protective cover. According to the adaptive path planning algorithm, the sample three-dimensional model is analyzed based on deep learning, the optimal calibration path is automatically generated, and the redundant moving distance is reduced.

The invention relates to the technical field of laser cutting, in particular to a metal U-shaped pipe laser cutting device which comprises a support, a discharging mechanism and a rotating mechanism, the discharging mechanism and the rotating mechanism are installed on the support, a clamping mechanism and a laser cutting machine are arranged on the rotating mechanism, and the discharging mechanism is installed on the support. The center positions of the four rolling shafts correspond to the center position of the side wall of the protective cover, after the metal U-shaped pipe is cut, leftovers fall into the protective cover from the discharging port, at the moment, the U-shaped pipe is not cut off, a first motor is started to drive the protective cover to rotate, the discharging port corresponds to the opening in the top of the discharging shell along with rotation of the protective cover, and the U-shaped pipe is cut off. The leftovers located in the protective cover fall off from the discharging shell, after the discharging opening corresponds to the top opening of the other discharging shell, finished products are discharged from the other discharging shell, the leftovers and the finished products are discharged separately, material arrangement is facilitated, the protective cover protects the U-shaped pipeline during cutting, and the cutting efficiency is improved. And workers can be prevented from being scalded by splashing during laser cutting.

The invention relates to a cloud control box-type substation for environment on-line monitoring, and relates to the technical field of box-type substations, the cloud control box-type substation comprises a box body and a box door, and two opposite vertical side surfaces of the box body are both provided with a plurality of heat dissipation ports; a protective cover with a downward opening is fixedly arranged on the outer edge of the heat dissipation opening of the box body. A protective frame covering the exteriors of the heat dissipation openings is detachably installed on the outer side face of the box body, a plurality of air holes are formed in the protective frame, and a blocking net is fixedly arranged on the side face, facing the box body, of the protective frame. According to the box-type substation, when the box-type substation is applied to an environment with many insects, the protection frame can be fixed to the outer side face of the heat dissipation opening in advance, and the aperture of the blocking net is smaller than the aperture of the air holes and the aperture of the heat dissipation opening, so that the possibility that external insects enter the box body is reduced, and the corresponding protection performance is improved; and external insects are prevented from entering the box body to interfere with normal operation of other electrical equipment.

The invention belongs to the technical field of circuit board processing machinery, and relates to an electroplating device for integrated circuit board processing, which comprises a tank body, a protective cover is horizontally and slidably mounted in the tank body, a drilling assembly is rotatably mounted on the protective cover, and a first driving assembly is mounted between the protective cover and the drilling assembly; a vertical second partition plate is arranged in the groove body, a vertical first partition plate is arranged in the groove body between the second partition plate and the protective cover, a receding hole matched with the drill hole is formed in the first partition plate, and a polishing assembly is arranged between the first partition plate and the second partition plate; a collecting hopper is arranged below the protective cover and the first partition plate; air holes are formed in the side wall of the tank body between the first partition plate and the protective cover; the U-shaped frame is arranged on the tank body, the clamping assembly is arranged on the U-shaped frame, the drying assembly is installed below the U-shaped frame, the electroplating assembly is installed at the end, away from the protective cover, in the tank body, abrasive dust of the circuit board is removed in time after polishing is completed, and the follow-up electroplating quality is improved. And after electroplating is completed, the circuit board is dried in time, and follow-up assembling work is facilitated.

The invention discloses a new energy automobile charging pile, which belongs to the technical field of charging equipment and comprises a shell, a circuit board, a cable and a charging gun. The circuit board is installed on the inner side wall of the shell, and the two ends of the cable are electrically connected with the circuit board and the charging gun respectively; a protective cover for placing a charging gun is fixedly inserted into the side wall of the shell; an annular limiting sleeve is embedded in the side wall of the shell, a spherical sealing block is movably embedded in the limiting sleeve, and the cable penetrates through the sealing block. A sleeve with two open ends is installed in the shell, an annular groove is formed in the end face of the end, close to the sealing block, of the sleeve, an elastic sleeve is fixedly installed in the annular groove, and a cable penetrates through the elastic sleeve and the sleeve. According to the scheme, through mutual cooperation of the sealing block, the sleeve, the electric heating wire and the license plate recognition module, the part, located in the shell, of the cable can be heated in time in the process that a driver parks a vehicle, and then the cable is protected by reducing the hardness of the cable in the process that the charging gun is taken to drive the cable to shake.

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.