12results about How to "Quiet working environment" patented technology

The utility model relates to engineering car carriage technical field especially relates to a sound absorption felt noise reduction excavator chamber. Its technical scheme includes machine room main part and installs the sound absorption felt main body in the four walls of machine room main part, the inner wall of machine room main part is equipped with multiple groups for the locking piece of sound absorption felt main body installation, the locking piece includes with the fixed connection of the inner wall of machine room main part's limiting post, the extruding block of setting installation is equipped with on the limiting post, the top of extruding block is connected with the fixed frame that is arranged perpendicularly with it, the fixed frame is slidably arranged with the sliding block, the threaded column is rotatably connected with screw thread on the sliding block, the side of sound absorption felt main body is equipped with multiple groups with the limiting slot position of threaded column correspondence. The utility model structure is convenient for dismantling, and the sound absorption felt is cleaned, replaced and the inner wall condition is checked in the later period, ensures that the sound absorption felt plays the role of noise reduction stably for a long time, creates the quiet, comfortable working environment for the operator.

The utility model discloses a cyclone reinforced air duct type air cooler relates to the field of air cooler, including front apron, and the rear end inner wall of front apron clamps and fixes the back apron, and the inside fixed air cooling radiator of front apron, and the front apron includes apron main part, and the round opening is seted up in apron main part front end, and the support spare is fixed in round opening, and the main guide vane is installed to support spare rear end, the utility model has following advantages: 1, improve cooling efficiency: through the spiral blade design of main guide vane and the cooperation of auxiliary guide vane, make the airflow that enters air cooler form stable cyclone, and the contact and heat exchange effect of airflow and air cooling radiator are strengthened, under the same power, cooling efficiency realizes greater promotion, and the performance of air cooler is greatly improved, 2, reduce the energy consumption of fan: because of the promotion of cooling efficiency, under the condition of reaching same cooling effect, fan does not need to run with higher power, thereby reduced the energy consumption of fan, realized the purpose of energy -conserving.

The pelletizing device comprises a base, a pelletizing cover, a cutter and a sound insulation plate, a pelletizer is installed on the base, a pelletizing head is arranged at one end of the pelletizer, a top plate is installed on the pelletizer, a motor A is installed in the top plate, a lead screw is installed at the power shaft end of the motor A, and a screw rod is installed at the power shaft end of the motor A; a ball nut is installed on the lead screw in a threaded mode and connected with a pelletizing cover, a motor B is installed in the pelletizing cover, an installation head is installed at the power shaft end of the motor B, a tool apron is installed on the installation head, a spring column is installed on the tool apron, and a cutter is installed at the other end of the spring column. A cooling fan is installed on the pelletizing cover, and a discharging head is arranged on the pelletizing cover. According to the utility model, the service life of the cutter is prolonged, the cutting effect and the particle quality are prevented from being influenced by over-high temperature, the cutter head is convenient to check and replace, the operation is simple and convenient, and the downtime and the maintenance cost are reduced.

The utility model provides an LED (light-emitting diode) fish gathering lamp, which belongs to the technical field of illumination and comprises a lamp holder and a light-emitting component, the lamp holder comprises a first plane and a second plane, the first plane and the second plane are connected to form a bending angle, the light-emitting component comprises a first lamp group and a second lamp group, and the power of the first lamp group is smaller than that of the second lamp group. In order to achieve a better fish gathering effect, a plurality of fish gathering lamps are usually used in a combined mode, and due to the fact that the first lamp sets on the two sides of each fish gathering lamp adopt the LED light sources with relatively small power, a weak-illumination area, namely a so-called dark area, can be formed between the lamps when the fish gathering lamps are independently used, however, in the design, the LED light sources are used in a combined mode. The small-power first lamp sets on the side edges can form a light ray superposition effect between every two adjacent fish gathering lamps, so that the problem of insufficient illumination in a dark area is solved, the brightness distribution of the whole irradiation area is more uniform, and the fish gathering efficiency is improved.

A screw-rail type generator set protective device, relating to the field of vehicle-mounted generator technology, includes a fixed base, a base frame, a screw-nut mechanism, and a protective housing. The fixed base consists of channel steel and connecting beams. Rollers on both sides of the base frame are rolled into the channel steel grooves. The base frame contains a generator set mounting position. The screw-nut mechanism is installed between the base frame and the fixed base to drive the base frame to extend or retract. The protective housing is mounted on the base frame, with an open bottom, inspection doors and air inlet louvers on both sides, an exhaust louver at one end, an electrical maintenance door at the other end, and a filling port at the top. The base frame contains a vibration damper, and a rubber insulating pad separates the protective housing from the base frame. This invention provides robust support with the fixed base, the roller design allows for smooth extension or retraction of the base frame, the screw-nut mechanism facilitates maintenance and locks the base frame, and the protective housing protects the generator set and dissipates heat. It exhibits good stability and safety, effectively ensuring the stable operation of the generator set.

The invention relates to the field of energy-saving ventilation, in particular to energy-saving ventilation equipment for a green building. The existing ventilation equipment convenient for energy conservation is difficult to fully utilize wind power resources in natural resources, and the supplied air quantity fluctuates greatly. An energy-saving ventilation device for a green building comprises a supporting gas conveying pipe, a first supporting plate, a second supporting plate, a flow guide frame and the like. The supporting gas conveying pipe is sequentially and rotationally connected with a first supporting plate and a second supporting plate from bottom to top, the first supporting plate and the second supporting plate are jointly and fixedly provided with a flow guide frame, and an upper exhaust hole and a lower exhaust hole are formed in the side, close to the supporting gas conveying pipe, of the flow guide frame from top to bottom. The supporting air conveying pipe is used for conveying flowing air into the ventilation pipeline in the building, compared with a traditional air supply mode, electric power resources are effectively saved, natural environment resources can be fully utilized on the premise that the ecological environment is not damaged, and the concept of environment-friendly design of the green building is met.

The utility model discloses a casting production processing is with foundry part shakeout device, it includes: lower support board, the upper surface fixed connection of lower support board has support rod, the upper end fixed connection of support rod has upper support board, and the two opposite faces of upper support board and lower support board all are fixedly connected with spring, and the two opposite faces of upper support board and lower support board all are fixedly connected with damper, and fixedly connected with broken case between spring, damper, the inner surface rotationally connected with broken roll of broken case, be provided with a plurality of honeycomb holes on broken case, the inner surface fixed connection of broken case has rubber plate, and the inner surface of lower support board is connected with the blanking box of passing through, and the blanking box is communicated with broken case, through above -mentioned parts, triple sound insulation effect, can effectively absorb, isolate and attenuate the noise of equipment when handling the noise of sand, make the noise level of working place and surrounding environment get the remarkable reduction, create more quiet, comfortable working environment.

The utility model provides a residual leaf removing device, which belongs to the technical field of tea processing and comprises a device base, the device base comprises a solid screening component and a residual leaf screening component arranged on one side of the solid screening component, and the residual leaf screening component is used for receiving tea after solid screening; the solid screening assembly comprises a material groove formed in the device base through a supporting column, a vibrating screen is connected and installed in the material groove, and a first discharging opening is connected and formed in the lower portion of the vibrating screen; according to the tea leaf screening device, impurities such as soil in tea leaves can be effectively separated through the solid screening assembly, and residual leaves can be effectively separated through the residual leaf screening assembly, so that the purity and the quality of the tea leaves are improved.

The utility model provides a Bluetooth module detection tool, and belongs to the technical field of Bluetooth module detection. The Bluetooth module detection tool comprises a base and four fixing blocks integrally manufactured and formed on the two sides of the base respectively, and is characterized in that a plurality of vibration springs are fixedly installed on the surface of the base at equal intervals, a top plate is installed at the tops of the vibration springs, a vibration motor is installed at the bottom of the top plate, and connecting parts are arranged at the four corners of the end, opposite to the top plate, of the base; a protective frame is installed on the surface of the top plate through bolts, a Bluetooth module limiting component is installed on the protective frame, the positioning end of the Bluetooth module limiting component perpendicularly points to the surface of the top plate, and through cooperative use of the vibration springs, the top plate, the vibration motor, the connecting component, the protective frame and the Bluetooth module limiting component, direct and violent collision between a vibration part and a table top can be avoided; the service life is prolonged and the noise is reduced.

The utility model discloses a hollow plate hot melting edge banding machine, which relates to the technical field of hot melting edge banding machines, and comprises an integral device main body, the integral device main body comprises a working table, the working table is positioned at the bottom of the integral device main body, and a support ring is arranged at the bottom of the periphery of the working table. A control mechanism is arranged on the short side face of the periphery of the workbench, a protection opening is formed in the top of the periphery of the workbench, a connecting sleeve is arranged at the bottom of the inner side of the workbench, a telescopic rod is movably connected to the top of the periphery of the connecting sleeve, and a protection mechanism is connected to the top of the periphery of the telescopic rod. The top of the periphery of the workbench is provided with a hot melting mechanism, the top of the periphery of the workbench is provided with a cutting mechanism, and through the arrangement of the workbench, the protection opening, the control mechanism, the protection mechanism, the connecting sleeve and the telescopic rod, the problems that a common hollow plate hot melting edge sealing machine is poor in safety function and noise reduction effect are effectively solved.

The utility model discloses a cleaning device for laboratory instruments and equipment, which relates to the technical field of instrument and equipment cleaning and comprises an ultrasonic cleaning box, a control panel is mounted at one end of the ultrasonic cleaning box, handles are symmetrically and fixedly connected to two ends of the ultrasonic cleaning box, and a cleaning tank is arranged at the upper end of the ultrasonic cleaning box. Fixing seats are symmetrically and fixedly connected to the bottom end in the cleaning tank, lifting assemblies are mounted in the fixing seats, mounting seats are slidably connected to the outer sides of the fixing seats, cleaning baskets are in threaded connection with one ends of the mounting seats, a base is mounted at the bottom end of the ultrasonic cleaning tank, and damping assemblies are symmetrically mounted between the bottom end in the base and the bottom end of the ultrasonic cleaning tank and close to chamfers. By adopting the structure, the influence of vibration on equipment can be reduced, so that the cleaning precision and stability are improved, the vibration transmission can be reduced, the generation and transmission of noise are reduced to a certain extent, and a quiet and comfortable working environment is provided for a laboratory.

According to the technical scheme, the moistureproof file cabinet is characterized in that the moistureproof file cabinet comprises a file cabinet body, a plurality of cabinet body cavities are formed in the file cabinet body, two sets of drawer guide rails are assembled on the inner walls of the two sides of each cabinet body cavity, and file storage drawers are assembled between the two sets of drawer guide rails in a sliding mode; and a moisture-proof structure is assembled in the file storage drawer. The moisture-proof structure can actively absorb residual moisture in the file storage drawer through the moisture absorption bag filled in the moisture-proof structure, the local humidity in the file storage drawer is further reduced, files are prevented from mildewing and going bad due to moisture, meanwhile, the overall structure of the moisture-proof structure is simple, when a user needs to replace the moisture absorption bag, the overall operation is simple, and the practicability is high. The maintenance difficulty and the labor cost are reduced; and the working frequency and continuous operation time of the file cabinet dehumidifier body are reduced, and the intermittent operation time of the file cabinet dehumidifier body is prolonged, so that the overall noise level is reduced, and a quieter working environment is created.