2931 results about "Protective shielding" patented technology

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 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 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 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 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 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 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 utility model discloses a comprehensive wiring distribution frame, which comprises a bottom plate and a distribution frame main body, the distribution frame main body is fixedly connected to the upper surface of the bottom plate, a plurality of ports distributed at equal intervals are arranged on one side of the distribution frame main body, and a plurality of groups of chutes corresponding to the ports one by one are arranged on one side of the distribution frame main body. The number of the multiple sets of sliding grooves is two, the two sliding grooves in the same set are located in the two sides of the port correspondingly, and a first protective cover and a second protective cover for sealing the port are slidably connected into the two sliding grooves in the two sides of the port correspondingly. According to the utility model, external dust can be prevented from entering the inside of the port, the phenomenon of short circuit or poor contact of the connecting line is prevented, the connection safety of the connecting line and the port is improved, the connecting line of the connecting point is always kept in a horizontal state with the port, the loosening of the connecting point caused by the falling of the connecting line due to self weight for a long time is prevented, and the service life is prolonged. And heat dissipation can be realized when the connection point of the connection line is connected with the port.

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 invention provides self-made small five-axis numerical control machine tool teaching equipment and an operation method thereof, and relates to the technical field of numerical control machining teaching equipment. A main shaft system and a clamp are arranged on the five-axis movement system; a transparent safety protection cover is arranged on the peripheral side of the five-axis movement system in a covering manner; a plurality of cameras are arranged on the five-axis movement system or the safety protection cover; the control system is respectively connected with the plurality of cameras, the main shaft system, the clamp and the five-axis movement system; according to the invention, an open modular structure is adopted, key moving parts and a processing process are completely exposed or visible through the transparent protective cover, so that a teacher can explain step by step and observe at a short distance with students; the machine tool body is made of light-weight materials such as aluminum alloy or engineering plastics, an open source numerical control system and standardized electromechanical components are combined, and on the premise that the basic teaching function is guaranteed, the manufacturing cost and maintenance complexity of equipment are greatly reduced.

The utility model relates to steel formwork processing technical field, and disclose a cutting device for steel formwork processing, including operation platform, the top of operation platform is installed with cutting assembly, the top of operation platform is installed with positioning assembly, both sides of operation platform all are set up with moving groove, the inside sliding connection of moving groove has the moving block, the surface sliding connection of operation platform has the protective cover. The cutting device for steel formwork processing, by setting up the protective cover, so that the staff can pull up U -shaped frame, so that U -shaped frame drives the protective cover to move upwards, so that the protective cover protects cutting assembly, then through the moving pull -plate, and the pull -plate drives the insertion rod, and the insertion rod is passed through the inside of first and second insertion hole, until inserted into the inside of insertion hole, the position of protective cover is fixed, so that the cutting assembly can be through the protective cover and shield the debris generated when cutting the steel formwork, avoid the debris to splash on the body of staff.

The utility model relates to cable processing technical field, concretely relates to a cable outer insulation layer machine, including hot melt box and blanking machine, blanking machine fixed mounting is in the rear end of hot melt box, the inside fixed connection of hot melt box has the material conveying pipeline, the position fixed connection of hot melt box front side surface is located material conveying pipeline front end, the rear end of material conveying pipeline is fixed in the inside of blanking machine, the inside of blanking machine is provided with screening subassembly, and screening subassembly includes first material collecting hopper, second material collecting hopper, pulverizer, feed pipe, protective cover, second motor, transmission shaft, driving gear, screening cylinder, screening net and transmission gear ring, second motor drives screening cylinder to rotate, and the screening of plastic particles is carried out, and the secondary crushing of larger plastic particles is carried out through the pulverizer, effectively improve the uniformity of plastic particles, improve the melting effect, and then make internal pressure keep stable, improve the uniformity of plastic solution extrusion, and then effectively improve the production quality of cable.

A method includes mounting an assembled wheel hub assembly on a spindle, spraying a zinc flake coating material onto first surfaces of the assembly while rotating the wheel hub assembly, the spraying occurring while shielding second surfaces of the wheel hub assembly with a shield on the spindle and shielding third surfaces of the wheel hub assembly using a shielding tape. After creating the layer of zinc flake coating material on the first surfaces, heating the layer of zinc flake coating material using at least one infrared (IR) lamp to cure the layer of zinc flake coating material, the heating occurring while rotating the wheel hub assembly.

The utility model discloses a stamping equipment protective device for hardware machining, which relates to the technical field of mechanical safety protection and comprises a stamping die, two telescopic supporting heads are symmetrically arranged on the edge of a lower die of the stamping die, rotating assemblies are arranged on the two telescopic supporting heads, and the two rotating assemblies are respectively connected with a half-cover-shaped protective cover in a driving manner. The protective cover is used for forming a shielding face in the vertical stamping direction of the stamping die. When the upper die is pressed downwards, the side wall of the die automatically triggers the telescopic supporting head to move, the driving rotating assembly drives the protective cover to be unfolded synchronously, a plane shielding barrier perpendicular to the machining direction is formed at the moment of punching, splashing chippings are accurately intercepted, and the problems of sight blind areas and protection lag existing in a traditional fixed protective device are effectively solved.

The utility model relates to fire control detection technical field, and disclose a kind of smoke alarm remote triggering device for fire detection, including protective cover, the inside of protective cover is installed with smoke alarm, the outer edge of smoke alarm is installed with smoke making storehouse, the inside of smoke making storehouse is opened with cavity, the inner bottom of cavity is installed with heating pipe, the inner wall of cavity is connected with thread ring with thread, the top of thread ring is installed with pressing plate, the inner wall of pressing plate is installed with extension ring, the bottom of extension ring is opened with four recesses;By smoke alarm, it can be remotely controlled heating pipe operation to heat the smoke oil inside cavity, further can generate smoke, so that smoke can be discharged to the inside of protective cover through smoke exhaust pipe, and can be directly sprayed outside smoke alarm, for actively triggering smoke alarm to carry out smoke detection, without manually igniting combustible to produce smoke, more environmentally friendly.

The utility model relates to the technical field of household heating firewood stoves, in particular to a household heating firewood stove with a visual window, which comprises a stove body, the front side and the rear side of the inner wall of the stove body are sequentially divided into a baking chamber and a combustion chamber through partition plates, and a stove container is correspondingly arranged in the combustion chamber. A firewood adding channel communicating with the furnace pipe is correspondingly arranged on the rear side of the furnace body, visual windows corresponding to the combustion cavities are symmetrically arranged at the rear ends of the left side and the right side of the furnace body, and reciprocating moving assemblies are fixedly installed at the positions, located above the corresponding visual windows, of the left side and the right side of the furnace body correspondingly. The device has the beneficial effects that the situation in the furnace can be observed conveniently, an adjustable protective shielding structure is arranged, and in order to prevent dust and beautify the appearance, when the device is not used or does not need to be observed, shielding operation can be carried out on the visual windows conveniently, so that the device is convenient to operate, and the practicability of the device is improved. And when observation and use are needed, the shielding is removed.

This invention relates to the field of unmanned aerial vehicle (UAV) interception technology, specifically to a UAV swarm for nuclear missile interception and its interception method, comprising: UAV modules, a communication module, and a coordination module; multiple UAV modules constitute a UAV swarm; the communication module is connected to each UAV module to achieve encrypted information transmission; the coordination module is constructed based on multi-agent reinforcement learning, and is connected to the UAV modules through the communication module, and is used to control the UAV swarm to cooperate in interception; this application achieves stable operation in a nuclear environment through the UAV modules, and constructs a protective shield to intercept nuclear missiles through the coordination module.

The medium-frequency induction furnace comprises an induction furnace body, a protective cover is connected to the surface of the induction furnace body in a sleeved mode, a first sliding groove is formed in the top of the protective cover, an external threaded rod is welded to the top of the induction furnace body and located in the first sliding groove, and an internal threaded ring is connected to the surface of the external threaded rod in a sleeved mode. The bottom of the internal thread ring is attached to the top of the protective cover. According to the medium-frequency induction furnace, the surface of the induction furnace body is sleeved with the protective cover, the first sliding groove is formed in the top of the protective cover, meanwhile, the outer threaded rod is welded to the top of the induction furnace body, and the outer threaded rod is located in the first sliding groove till the bottom of the inner threaded ring is attached to the top of the protective cover, so that the protective cover can be fixed; and at the moment, the protective cover can provide a protective effect for the circuit of the medium-frequency induction furnace, so that the circuit is not contacted, and the protective property is stronger during use.

The invention discloses electronic equipment, and belongs to the technical field of electronic equipment. The electronic equipment comprises a frame body, a screen assembly, a circuit board assembly, a motor, an electric connection part and a protective cover, the screen assembly is arranged on one side of the frame body; the circuit board assembly is arranged on the other side of the frame body; the circuit board assembly is provided with a vacancy avoiding position. The motor is arranged in the clearance position; one end of the electric connection part is connected with the screen assembly, and the other end of the electric connection part extends to one side, far away from the screen assembly, of the motor and is connected with the circuit board assembly; the protective cover covers the side, away from the screen assembly, of the motor and is located between the motor and the electric connecting component.

This invention relates to a distributed intelligent wireless balance, belonging to the field of wind tunnel balance measurement technology. It addresses the problem of intelligent measurement in wind tunnel balances. The invention features connectors installed at the center of the left and right end faces of the balance body, and strain gauge protective covers installed at the left and right ends of the balance body. The strain gauges are mounted on the balance body, located below the strain gauge protective covers. A main control module is installed in the middle of the balance body, and a circuit board protective cover is mounted on the main control module. The main control module is connected via an RS-485 bus to a vibration sensor, an angle sensor, a data acquisition module, and a temperature sensor mounted on the balance body. The vibration sensor and angle sensor are respectively located to the left and right of the main control module, the temperature sensor is located below the main control module, and the data acquisition module is located below the vibration sensor and angle sensor, respectively. This invention significantly improves the intelligence level of the balance.

This utility model relates to the field of capacitor technology and discloses a capacitor with an adjustable heat dissipation protective cover, including a mounting base, a protective cover threaded to the bottom of the mounting base, a cover plate disposed on the upper part of the mounting base, a capacitor body mounted on the upper part of the mounting base, and a connecting assembly disposed on the upper part of the mounting base. The connecting assembly includes an adjustment mechanism disposed on the upper part of the mounting base, a heat dissipation mechanism disposed below the cover plate, a heat dissipation shell slidably connected to the outer wall of the heat dissipation cover, a locking rod movably passing through a movable groove, the locking rod being engaged with an adjustment hole, one end of a first spring being fixedly connected to a movable block, and the cover plate being threadedly connected to the top of the heat dissipation shell through a threaded ring. This utility model solves the problem that the heat dissipation shell of existing devices is inconvenient to adjust, thus making it impossible to adjust according to the length of the capacitor, thereby affecting the applicability of the device.

The utility model discloses a wall-mounted sound box, which belongs to the technical field of sound boxes and comprises a fixing frame, and a lifting mechanism is arranged above the fixing frame. The protection assembly is arranged, the movable plate is moved to drive the fixed column to move and the reset spring to be compressed, then the external connection frame is movably placed in the bottom supporting frame, then the pull rod is loosened, the reset spring loses the external force and restores to the original appearance, the movable plate and the fixed column are driven to move, and the external connection frame and the bottom supporting frame are fixed in an inserted mode through the fixed column. The protective cover is moved to be attached to the top of the bottom supporting frame, one fixing nut is rotated to be attached to the top wall of the protective cover, under the action of the bottom supporting frame and the protective cover, protection operation can be provided for the motor, and dust and other impurities in the external environment are prevented from falling onto the motor; and meanwhile, under the action of the ventilation net, air circulation in the bottom support frame and the protective cover is ensured, and the normal service life of the motor is ensured.

The door and window profile drilling, milling and sawing machining device comprises a supporting bottom plate, a sawing mechanism and a drilling and milling mechanism are arranged on the supporting bottom plate, the sawing mechanism comprises a supporting table fixed to the supporting bottom plate, a protective cover is fixedly connected to the lifting table, and the protective cover is fixedly connected to the supporting table. An output shaft is rotationally connected into the protective cover, the output shaft is fixedly sleeved with a saw blade, a saw cutting stabilizing mechanism is arranged on the protective cover, the output shaft is fixedly connected with the output end of an output motor, the output motor is fixed to the lifting table, and the protective cover is slidably connected to the supporting table through a supporting sliding block; in the saw cutting process, the saw blade is stabilized through the saw cutting stabilizing mechanism, vibration is reduced, the anti-sticking mechanism is matched in the saw cutting process to prevent molten coating mixed dust from being attached to the surface of the saw blade under the high-temperature condition, and the dynamic balance of the saw blade and the cutting quality are guaranteed.

The utility model discloses a road and bridge construction safety protection device which comprises a base and is characterized in that the base is rotationally connected with a protection assembly through a rotary limiting assembly; the rotary limiting assembly is used for angle adjustment of the protection assembly. The two sets of protection assemblies are symmetrically arranged, and each set of protection assembly is connected with the rotary limiting assembly. The utility model relates to the technical field of road construction protection equipment, in particular to a road and bridge construction safety protection device which can achieve unfolding and angle adjustment of a folding protection cover and has a warning function.

The utility model relates to the technical field of refrigeration equipment, in particular to a protective cover and refrigeration equipment. The protective cover can contain an evaporator and a fan in the refrigeration equipment, the protective cover comprises a side plate and a special-shaped plate, the special-shaped plate comprises a front plate, a bottom plate and a connecting plate, the front plate and the bottom plate are connected through the connecting plate, the side plate is connected to one end of the special-shaped plate so that a containing groove can be formed between the side plate and the special-shaped plate, and the fan and the evaporator are located in the containing groove. The special-shaped plate and the side plates jointly surround the evaporator and the fan, so that the evaporator and the fan are protected. The protective cover can play a role in guiding air and flow under the condition that the fan and the evaporator are protected.

The invention belongs to the technical field of engineering monitoring, and discloses building engineering foundation settlement monitoring equipment which comprises a bottom plate, a first mounting block arranged at the top of the bottom plate, a supporting plate arranged at the top of the first mounting block, a second mounting block arranged at the top of the supporting plate, and a fixing plate fixedly mounted at the top of the second mounting block. Monitoring equipment is fixedly mounted at the top of the fixing plate, a protective cover is arranged on the outer side of the monitoring equipment, a protective door is slidably connected to one side of the protective cover, a movable door is arranged on one side of the protective door, a cleaning block is arranged in the protective door, an electric push rod is arranged on one side of the cleaning block, and a motor is fixedly connected to one end of the electric push rod. The monitoring equipment is cleaned through the cleaning block in the protective door, dust on the outer surface of the monitoring equipment is conveniently removed, the situation that dust and impurities are attached to the monitoring equipment to affect work of the monitoring equipment is effectively avoided, and the use effect of the monitoring equipment is conveniently improved.

The application discloses an ultrahigh-temperature radar material level meter probe, which comprises a top end part, a radar probe and a signal transmission part, one end of the radar probe is connected with the top end part, and the other end is connected with the signal transmission part; the signal transmission part comprises a radar tube, one end of the radar tube is connected with the radar probe, and the other end is connected with a fixing flange, the signal transmission part is fixed to an external structure through the fixing flange; a protective cover is in a conical structure, is fixed to one end of the radar tube away from the radar probe, and is in contact with the outside; the protective cover is made of alumina ceramic, the content of alumina is not less than 99%, the thickness of the protective cover is 3mm-15mm, and the angle is 100 degrees-150 degrees. The application solves the problem that the existing radar material level meter probe is difficult to effectively monitor the material level in a high-temperature environment due to the limitation of the radar material level meter probe itself.

This utility model relates to the field of cable insulation layer polishing technology, and discloses a copper core cross-linked polyethylene cable insulation layer polisher, including a motor, and further including: a polishing component for polishing the cable insulation layer, wherein the motor is provided with a mounting component and the polishing component is mounted on the mounting component; a support component for supporting the motor and the polishing component, wherein a column is mounted on the support component and a protective component is provided on the outside of the polishing component; this utility model achieves efficient polishing by driving a motor to drive a pulley to rotate the polishing belt; the support component allows for adjustment of the motor, enabling the motor to be freely adjusted in multiple directions to flexibly adapt to different polishing scenarios; the handle and grip facilitate operation by workers and greatly reduce the burden of manpower; the protective cover effectively blocks the polishing area and provides reliable safety protection for workers.