23results about How to "Simple daily maintenance" patented technology

The invention provides a piston type shielding door, and particularly relates to the technical field of radiation shielding, the piston type shielding door comprises a door frame, and the door frame is mounted on a wall body. The upper portion of the side, facing the door frame, of the door body and the left side and the right side, close to the door frame, of the door body are concave inwards to form stepped structures, the moving direction of the door body is perpendicular to the wall, and the door frame is matched with the door body to form labyrinth seal. And the sliding device is fixedly mounted at the bottom of the door body. And the bearing device is mounted on the ground at the bottom of the door body, and the bearing device is interactively matched with the sliding device. And the driving device is fixedly installed on the side, away from the door frame, of the door body, and the driving device is used for driving the door body to move on the bearing device through the sliding device. According to the piston type shielding door, the technical problems that a shielding door is poor in shielding effect, high in construction requirement and serious in abrasion of internal parts are solved, and the piston type shielding door is complete in shielding, low in construction difficulty and long in service life.

The utility model relates to a tobacco moisture regaining machine based on the principle of a concrete mixer. The tobacco moisture regaining machine comprises a rack, an atomizer, a roller, a steam inlet pipeline, a motor, a power system, a water tank and a supporting mechanism. The transmission mechanism is composed of a motor, a universal coupling, a transmission shaft, a pinion and the like, the motor drives the pinion to rotate, and the pinion drives the roller to rotate. A nozzle is arranged on the steam inlet pipeline and extends into the roller, and the tobacco leaves in the roller are sprayed in the rotating process of the roller, so that the tobacco leaves are dampened. Tobacco leaves can be conveyed backwards when the roller rotates forwards, tobacco leaf moisture regaining is more uniform, and the tobacco leaves and water in the roller can be discharged out of the roller when the roller rotates reversely. In addition, a spiral conveying device of a double-spiral structure is arranged in the roller, the tobacco leaves can be loosened when the roller rotates forwards and backwards, and therefore the tobacco leaves are dampened more evenly.

The utility model provides a high-low voltage cabinet convenient for installation and wiring, which comprises side fixing frames arranged on two sides in a cabinet body, a cross frame arranged between the side fixing frames, vertical columns fixedly arranged on two sides in the cabinet body, the vertical columns positioned in front of the side fixing frames, a plurality of sliding plates arranged between the vertical columns on two sides, and a sliding pressing plate arranged on the sliding plates, the pressing plate and the sliding plate are provided with a plurality of opposite grooves. Through the design of the sliding plate and the hoop, a user can easily adjust the position of the sliding plate according to actual requirements to adapt to the layout and wiring requirements of different components, and the flexibility of installation and maintenance is improved; according to the whole design, components in the cabinet can be conveniently and rapidly accessed, daily maintenance and future possible equipment upgrading processes are simplified, and downtime and maintenance cost are reduced.

The invention belongs to the technical field of automobile steering system testing, and provides an electric drive steering system test board which comprises an installation platform. The steering fixing assembly comprises a steering column fixing module and a steering gear fixing module which are arranged on the mounting platform, and a first horizontal position adjusting piece is arranged between the steering column fixing module and the mounting platform; the steering input assembly comprises a first stand column, a second horizontal position adjusting piece is arranged between the first stand column and the mounting platform, and a steering input executing mechanism is arranged on the first stand column through a lifting piece; the two groups of load loading assemblies comprise loading boxes connected to the mounting platform in a sliding mode, electric drive deflection mechanisms are arranged in the loading boxes, mounting connectors are vertically connected to the output ends of the electric drive deflection mechanisms in a sliding mode, reciprocating vibration mechanisms are arranged in the loading boxes, and the reciprocating vibration mechanisms drive the mounting connectors to vertically vibrate in a reciprocating mode. The servo motor is used for driving test, the occupied area is reduced, daily maintenance is facilitated, and operation noise can be reduced.

The utility model discloses a kind of metal door panel is in the center of corner forming machine on forming press plate positioning mechanism, belong to sheet metal processing equipment technical field. Including rack, material pressing device is equipped in the upper portion of rack, forming press plate positioning device is driven and connected below material pressing device, two guide devices are symmetrically set in the front end of rack, triangular forming mould is equipped below forming press plate positioning device, the forming press plate positioning device includes forming press plate and the adjustable positioning plate of both sides thereof. The utility model drives forming press plate positioning device to go down along guide device by material pressing device, workpiece hem is automatically tightened and is close to two sides of triangular mould in pressing process using two sides positioning plate, to realize workpiece automatic centering and accurate positioning. The mechanism structure is reasonable, positioning is accurate and reliable, effectively solve the deviation, wrinkle and deformation problem in workpiece corner forming, significantly improve processing quality and production efficiency, especially suitable for batch sheet metal workpiece high-precision machining.

The utility model relates to the technical field of lighting equipment, in particular to a flashlight lamp holder, which comprises a lamp tube and a light source arranged in the lamp tube, and further comprises at least one pressure release valve arranged on the tube wall of the lamp tube, the pressure release valve comprises a hollow valve body penetrating through the inside and the outside of the lamp tube, and a waterproof breathable film is arranged in the hollow valve body. The pressure release valve is arranged on the outer wall of the lamp tube, so that air inside and outside the lamp tube is communicated, when the temperature in the lamp tube rises and the pressure is increased, hot air in the lamp holder is discharged to the environment outside the lamp holder through the waterproof breathable film in the pressure release valve, the balance of the internal pressure and the external pressure is achieved, and liquid, dust and particles outside the lamp holder are prevented from falling off. Therefore, not only is the sealing effect ensured, but also the problems of internal and external pressure and temperature difference of the lamp holder are solved. In addition, the flashlight is simple in structure, the waterproof breathable film can be conveniently cleaned or replaced, and daily maintenance of the flashlight is facilitated.

The application provides an external stroke monitoring device, belonging to the technical field of shield machines; the stroke monitoring device comprises a first connecting main body, a second connecting main body, a movable piece and a detection element; the first connecting main body and the second connecting main body are mutually sleeved to form a connecting assembly; one end of the connecting assembly is hingedly connected with a sliding frame, and the other end of the connecting assembly is connected with other static components of an anchor excavator; the movable piece is installed on the first connecting main body or the second connecting main body, and the movable piece is fixedly connected with a detection end of the detection element. The application provides an external stroke monitoring device which is convenient to disassemble and install, has a simple structure, is convenient to disassemble and install, and is easy to maintain daily; when the stroke monitoring device has a problem, the stroke monitoring device can also be quickly and effectively maintained, thereby saving the maintenance time of the device and improving the use efficiency of the equipment.

A security power supply wiring structure based on fire storage combined operation is characterized in that the security power supply wiring structure comprises a working power supply, a security power supply, a diesel engine generator set and an energy storage system, the energy storage system comprises a PCS cabin and a battery cabin, the battery cabin is connected with the PCS cabin, the PCS cabin is connected to the security power supply and the working power supply, and the working power supply is connected with the diesel engine generator set. And the security power supply is connected with the working power supply and is provided with a security EMCC section. Compared with the prior art, by using the energy storage system, it is ensured that the response time is maintained within 1 s, it is ensured that when the whole plant loses power, structures such as a generator set cannot be greatly damaged, the energy storage system is easy to daily maintain, and under the condition that energy storage is configured, besides conventional electrical equipment such as an energy storage security transformer, the energy storage security transformer cannot be damaged. And extra maintenance is not needed. The energy storage system can realize unattended operation and remote operation and maintenance.

The invention discloses a quick and safe jacking mechanism for a four-way vehicle. The quick and safe jacking mechanism comprises a base plate, a fixing block, a push rod, a telescopic rod body, a limiting plate, a motor end cover and a bearing cover. A positioning column is fixedly connected to the outer wall of one side of the base plate, a first flange sleeves the outer wall of one side of the positioning column, a tray is fixedly connected to the top end of the first flange, a first gear sleeves the outer wall of one side of the first flange, and a second gear is arranged on the outer wall of one side of the first gear; the outer wall of one side of the second gear is sleeved with a second flange, and the outer wall of one side of the second flange is fixedly connected with a first connecting column. A steering mechanism is designed, the position of the tray can be adjusted through the steering mechanism, and the use efficiency of the device is effectively improved; meanwhile, a simple jacking connection structure is designed, the number of needed structures is small, and the starting cost when the device is used is reduced; and a detachable fixing structure is further designed, so that the maintenance and cleaning efficiency is effectively improved.

This invention relates to a pulse airflow blueberry harvester, belonging to the field of agricultural machinery technology. The invention includes a harvester housing, an air source device, air pressure control, and pulse control. An electromagnetic pulse valve is fixed to the housing, and a pulse nozzle is connected to the electromagnetic pulse valve via a threaded connection and directly fixed to the housing. The electromagnetic pulse valve controls the opening and closing of a diaphragm through a pulse controller to form a pulse airflow. Air pressure control is mainly achieved through an SMC electro-proportional valve, which regulates the input current signal through a current-voltage controller, thereby controlling the output air pressure of the electro-proportional valve. A compressor air tank is added to ensure stable air pressure. When the air pressure in the compressor air tank is insufficient, an air pump will start working to input sufficient air pressure into the compressor air tank. This invention has good adaptability to mountainous terrain, a long service life, easily shakes blueberries off branches, has high work efficiency, and is comfortable to hold and convenient for users to apply force.

The utility model relates to the technical field of automobile parts, in particular to a dimming motor convenient to disassemble and assemble, which aims to solve the technical problem that the dimming motor in the prior art is inconvenient to disassemble and assemble, and is mainly realized by the following technical scheme: the dimming motor convenient to disassemble and assemble comprises a first shell and a second shell, a circuit board, a driving motor and a plug connector are arranged in the second shell, the driving motor drives the transmission assembly to move, an oil injection piece is arranged in the dimming shaft, the dimming shaft comprises a ball head and a shaft body, the mounting piece comprises a fixing piece and a mounting base, the fixing piece comprises a first fixing hole and a second fixing hole, and the mounting base is provided with a second fixing hole. The mounting seat is arranged outside the first shell and is connected with the first shell and the second shell, the detachable mounting seat is added, a limiting structure between the exterior of the dimming motor and the lamp shell is reduced, the mounting seat can buffer part of radial shear force, and the use safety of the dimming shaft is guaranteed.

The utility model relates to the technical field of spacer paper macroscopic detection devices, and discloses a float glass spacer paper macroscopic detection device which comprises a shell and a door plate, a plurality of glass sheets are arranged in the shell, pearl wool is arranged between the shell and the glass sheets, a door plate clamping groove is formed in the front end of the shell, and the door plate clamping groove is connected with the door plate. A cushioning assembly is arranged on the bottom side of the shell, an air bag is arranged on the inner wall of the middle end of the shell, partition paper is arranged between any two adjacent glass sheets, the door plate is arranged in a door plate clamping groove, vibration modules are arranged on the left side and the right side of the shell, and the cushioning assembly comprises a plurality of cushioning springs located on the bottom side of the shell. The bottom ends of the multiple cushioning springs are connected through a base, and the base is arranged on the bottom side of the shell. According to the utility model, the purpose of rapid and efficient auxiliary detection is achieved by simulating the direct use of the glass spacing paper.

This invention relates to a material conveying device for ramie textile processing, belonging to the field of textile machinery technology. It includes a machine body, a connecting frame mounted on one side of the machine body, a support plate mounted on the connecting frame near the machine body, multiple sets of guide holes at the top of the support plate, and a guide frame mounted on the side of the support plate away from the connecting frame. The guide frame is installed at an angle, and multiple sets of guide tubes are mounted on the top of the guide frame. A de-hairing component is mounted on the machine body near the guide frame. This invention, through the inclusion of a cleaning component, allows the collection mechanism, once full of impurities, to automatically flip into a washing tank for rinsing and cleaning. The filter plate achieves solid-liquid separation, facilitating centralized treatment of burrs. By setting up an integrated de-hairing and collection structure, and utilizing a fan and air holes to create a negative pressure airflow, it can efficiently adsorb free burrs, short fibers, and impurities on the surface of ramie fibers.

The invention relates to the field of building decoration, and discloses an aluminum alloy decoration line and a construction method thereof. The aluminum alloy decoration line comprises an aluminum alloy base material and a corrosion-resistant layer arranged on the outer side of the aluminum alloy base material. The corrosion-resistant layer is prepared from the following raw materials in parts by weight: 50 to 70 parts of waterborne epoxy ester emulsion, 40 to 50 parts of organic silicon modified acrylic emulsion, 30 to 50 parts of filler, 2 to 6 parts of dispersing agent, 2 to 6 parts of defoaming agent, 2 to 6 parts of emulsifying agent, 10 to 20 parts of magnesium aluminum silicate inorganic gel and 40 to 60 parts of water. The aluminum alloy decoration line has good corrosion resistance, and the application requirements of the aluminum alloy decoration line in various fields can be met.

The utility model discloses a kind of double-cycle water cooling devices for ship propulsion motor, a kind of double-cycle water cooling devices for ship propulsion motor, including double-cycle cooling assembly, the double-cycle cooling assembly including outer water inlet valve, heat exchanger, circulating water pump, expansion water tank and cooling liquid inlet valve, water inlet, water outlet, cooling liquid inlet and cooling liquid outlet are set on heat exchanger, after forming outer circulation channel between water inlet and water outlet on heat exchanger with the series connection of outer water inlet valve, after forming internal circulation cooling loop between cooling liquid inlet and cooling liquid outlet on heat exchanger with the series connection of circulating water pump, expansion water tank, cooling liquid inlet valve and ship propulsion motor, it is characterized by: in double-cycle cooling assembly is installed in a box, it has certain protection level, can reduce the damage caused by the adverse environment of engine room to internal equipment, device, and integrated degree is high, modularization, save installation space.

The present invention discloses a fully premixed low-nitrogen burner with an adjustable end cover, which belongs to the technical field of burners. The burner comprises an air channel and a coaxially arranged gas ring cavity thereof, wherein the air channel is connected to a contraction tube and a straight flame tube in sequence, wherein the contraction tube is in the shape of a conical barrel contraction, is connected to the air channel upstream, and is connected to the straight flame tube downstream, and is connected to a flame end cover downstream of the straight flame tube, wherein the contraction tube, the straight flame tube and the flame end cover are all coaxially arranged with the air channel, and the air channel is connected to a main gas pipeline at its lower portion, and a plurality of evenly distributed gas branch pipes are arranged in the air channel, wherein the gas branch pipes have closed centripetal ends and are connected to the gas ring cavity at eccentric ends, and a plurality of gas outlet holes are distributed on the pipe wall of the gas branch pipes; the problem that air and gas of a diffusion burner are difficult to mix very evenly, local high temperature is prone to occur, and temperature distribution in the furnace is uneven, which is prone to cause increased nitrogen oxide emissions, is solved.

The utility model relates to the technical field of feeding device, in particular to a kind of aviation tyre open mill feeding device, it can transport material, can accelerate material cutting speed, avoid material accumulation;Including feed tank, conveying knife part, cutting part, dismounting part and moving part, conveying knife part is installed in feed tank interior, cutting part is installed in feed tank by dismounting part, feed tank right side is connected with lower part and is connected with moving part.

The utility model provides a simple device for measuring fan flow, which is characterized in that the lower part of a negative pressure meter is provided with a joint with external threads, a meter seat is made of a seamless galvanized steel pipe, the bottom of the meter seat is sealed, the inside of the meter seat is provided with internal threads matched with the external threads of the joint, and the meter seat is in threaded connection with the joint; a connecting pipe is arranged in the center of the bottom of the gauge stand, one end of the leather hose is detachably connected with the connecting pipe, the other end of the leather hose is connected to a leather hose of a fan to be measured, and data on the negative pressure gauge can be directly read during measurement. The device is small in size, light in weight, convenient to carry about, and very convenient to operate and use; and the device is simple in equipment, very convenient to disassemble and maintain and easy to daily maintain.

The present invention belongs to the field of laser technology. In order to solve the complex problems of the existing deep ultraviolet laser system, a 248.3nm single-frequency all-solid-state deep ultraviolet laser system and method are provided. Among them, the 248.3nm single-frequency all-solid-state deep ultraviolet laser system includes a seed laser source optical path, a triple frequency optical path, an optical parametric oscillator optical path and a sum frequency optical path; the seed laser source optical path sequentially modulates and amplifies the set wavelength single-frequency seed laser, and then performs light splitting processing, and then transmits it to the triple frequency optical path and the optical parametric oscillator optical path respectively; the triple frequency optical path generates 1 / 3 times the set laser and outputs it to the sum frequency optical path; the optical parametric oscillator optical path generates a laser with a matching wavelength through optical parametric oscillation and outputs it to the sum frequency optical path; the sum frequency optical path performs sum frequency to generate a 248.3nm deep ultraviolet laser. It does not require a complex external timing control circuit, can greatly reduce the system complexity and cost, and improve the system stability and reliability.

The utility model discloses an air conditioner fan coil assembly, which relates to the technical field of air conditioner fan coils and comprises a shell, a fan body is arranged inside the upper end of the shell, an installation plate is fixedly sleeved on the outer side wall of the fan body, limit grooves are symmetrically arranged at the upper end of the shell, and fixing assemblies are symmetrically arranged inside the upper end of the shell. A connecting plate is mounted at the upper end of the mounting plate, connecting assemblies are symmetrically mounted at the bottom end of the connecting plate, a dust collecting bin is mounted in the connecting plate, a surrounding pipeline is arranged in the shell, splitter plates are symmetrically mounted at the bottom end in the shell, and an air outlet is formed in one end of each splitter plate. By the adoption of the structure, dust and particles generated in the operation process of the fan can be collected, the quality of air can be remarkably improved, suspended particles in the air are reduced, and therefore a healthier and more comfortable indoor environment is provided for a user, pollutants can be effectively prevented from entering the fan and the coil pipe, and the service life of the fan and the coil pipe is prolonged. Therefore, the service life of equipment is prolonged, and the maintenance and replacement frequency is reduced.

This invention discloses a horizontal laser film removal and sandblasting machine for insulating glass production, relating to the field of insulating glass production technology. It includes a frame, a controller, and a glass placement rack. A dust collection mechanism is installed inside the frame, and a laser generating mechanism is installed on the top of the frame. This horizontal laser film removal and sandblasting machine for insulating glass production uses a high-precision three-axis motion system composed of gears, racks, electric slide rails, and a lifting mechanism to drive the laser head to quickly and accurately position itself in three-dimensional space, meeting the processing requirements of complex paths. Simultaneously, the dust collection mechanism achieves complete synchronization with laser processing through mechanical connection, ensuring that the dust hood is always precisely positioned directly below the laser processing point. This achieves immediate dust collection upon generation, significantly improving dust collection efficiency, preventing dust diffusion, and creating a cleaner and more stable working environment for the laser head, thereby ensuring high quality and high efficiency in the film removal and sandblasting processes.

The clamping frame and the side plate are symmetrically connected to the upper portion of the base plate, a penetrating opening is formed in the middle of the base plate, the two ends of the base plate and the same side of the clamping frame are fixedly connected with clamping driving pieces, and a linkage lock is hinged to the top end of the clamping frame. Self-falling clamping blocks which slide in the inclined direction are further arranged in the clamping frame, the distance between the self-falling clamping blocks on the two sides is increased along with increase of the displacement height, and the telescopic end of the clamping driving piece and the upper ends of the self-falling clamping blocks are movably connected with the two ends of the linkage lock respectively. Compared with the prior art, the normally-closed type self-falling clamp holder has the advantages that the clamp holder is convenient to operate and use, reduces oil pressure supply, is easy to disassemble, assemble and use, and can perform normally-closed type self-falling clamping.

The invention belongs to the technical field of grounding detection, and relates to a heating system electric leakage detection device of heating equipment and application thereof. According to the electric leakage detection device for the heating system, the situation that the heating system is cut off due to equipment abnormity is avoided, the electric leakage situation of the equipment can be detected in real time through the electric leakage detection device for the heating system, and the requirement for safely controlling the equipment is met. According to the invention, leakage current can be rapidly detected, a power supply can be cut off in an extremely short time, electric shock accidents of human bodies are effectively avoided, the possibility of fire disasters is reduced, damage of the leakage current to electrical equipment can be prevented, and the service life of the equipment is prolonged. The influence of electric leakage faults on the whole power system can be avoided, and stable operation of other normal circuits is guaranteed; the electric leakage detection device for the heating system is simple and convenient to install and does not need complex operation; and moreover, the daily maintenance is relatively simple, and the normal work is ensured only by regularly detecting and testing.