13results about How to "Reduce use loss" patented technology

The invention provides a dust collection assembly, cleaning equipment and a cleaning system, the dust collection assembly is provided with a dust inlet, a dust extraction opening and a dust collection cavity communicating the dust inlet with the dust extraction opening, the dust collection assembly comprises a bottom wall and a side wall, the side wall extends in the circumferential direction of the bottom wall, the side wall and the bottom wall are connected, the dust collection cavity is defined by the side wall and the bottom wall, and the dust extraction opening is formed in the side wall. The design of a dust extraction opening and an accessory structure thereof on the bottom wall is omitted, the bottom area near the bottom wall is utilized as the volume of the dust collection cavity, and the utilization rate of the dust collection space is increased. The side wall is provided with sufficient available space, the dust extraction openings can be designed without being limited to the structural complexity and the number of the dust extraction openings, the structures and the number of the dust extraction openings can be variously selected and set according to actual requirements, and meanwhile, the sufficient available space is beneficial to improving the switching convenience of the opening and closing states of the dust extraction openings; and the dust extraction efficiency of the cleaning base station from the dust extraction opening is improved.

The invention relates to the technical field of automobile pistons, in particular to an automobile piston deburring device which comprises a piston and a polishing unit. The grinding unit comprises a cooling liquid box, a liquid return box, a side grinding piece connected to the cooling liquid box in a sliding mode, a fixing frame communicating with the cooling liquid box and a liquid storage box communicating with the fixing frame, and the liquid storage box is fixedly connected with the fixing frame. According to the piston grinding device, cooling liquid is stored, on one hand, the cooling liquid can be used for conducting heat exchange and cooling on a grinding piece, the use loss is reduced, on the other hand, an end face grinding piece, a sealing ring groove grinding piece and a side grinding piece can be driven to be close to a piston, the piston is comprehensively ground, and the use effect is good; heat exchange cannot meet the cooling effect, and cooling liquid can be sprayed out for cooling.

The invention provides a design method of an active-disturbance-rejection permanent magnet synchronous motor position controller. The design method comprises the steps of hardware circuit design and active-disturbance-rejection controller module design. The hardware circuit design comprises an alternating current power supply module, a rectifier bridge circuit module, an inverter circuit module, a permanent magnet synchronous motor module, a voltage sampling module and a current sampling module. The design steps of the active-disturbance-rejection controller module are as follows: S1, designing a current loop PI active-disturbance-rejection controller; S2, designing a rotating speed loop PI active-disturbance-rejection controller; compared with a traditional control method, the active-disturbance-rejection permanent magnet synchronous motor position controller provided by the invention has stronger disturbance rejection, rapid dynamic response, high-precision control capability and better system robustness, and can be widely applied to industrial scenes with high performance requirements.

The self-adaptive double-layer vibration isolation support comprises a damping vibration isolation pad, I-shaped section steel, a bottom plate, a variable stiffness system and a top plate which are sequentially connected from bottom to top, and reactor equipment, a vibration monitoring device and a stiffness calculation device are installed on the top plate; the variable stiffness system comprises a stiffness coarse adjustment system, a stiffness fine adjustment system and a scissor jack system; the rigidity coarse adjustment system is composed of rigidity coarse adjustment springs which are vertically arranged, the lengths of the rigidity coarse adjustment springs are arranged in an echelon mode, the rigidity fine adjustment system comprises longitudinal cylindrical spiral body springs which are horizontally arranged, and the torque multiplier and the worm mechanism are driven by a motor to change the horizontal and vertical endpoint distance of the scissor jack. And the type and the compression and stretching length of the spring participating in vibration control are adjusted. Compared with the prior art, the vibration isolation support has the advantages that the vibration isolation rigidity of the support is accurately and efficiently adjusted in a self-adaptive mode, and the limitation that in the prior art, vibration isolation supports need to be independently designed for different reactor devices is overcome.

The utility model provides a composite exhaust valve, which belongs to the technical field of exhaust valve devices and comprises an exhaust valve shell, the upper end and the lower end of the exhaust valve shell are fixedly connected with an upper exhaust pipe and a lower exhaust pipe through fixing supports respectively, and a rubber hose is fixedly connected between the upper exhaust pipe and the lower exhaust pipe. And the flow speed adjusting assembly comprises two adjusting screw rods which are connected to the side wall of the exhaust valve shell in a penetrating and threaded mode, and the end, located in the exhaust valve shell, of each adjusting screw rod is rotationally connected with an adjusting plate. According to the composite exhaust valve, the drift diameter and the exhaust flow speed of the rubber hose in the composite exhaust valve can be adjusted, the overall exhaust bearing pressure of the exhaust valve can be relieved, the use loss of the composite exhaust valve is reduced, the lower exhaust pipe can be conveniently opened and closed, meanwhile, the exhaust flow can be conveniently controlled, and the applicability of the exhaust valve can be effectively improved.

The present invention relates to the technical field of equipment for assembly, specifically a die-cast aluminum radiator assembly equipment, including: a support plate, a support plate is fixedly connected to an assembly table; a rotating frame, a rotating frame is rotatably connected to the support plate; a rotating shaft, a rotating shaft is rotatably connected to the frame head of the rotating frame; a moving rod, a moving rod is slidably connected to the side of the assembly table; a moving frame, a moving frame is slidably connected to the assembly table; a fixing member, a fixing member is arranged on the moving frame; a spring a, a spring a is fixedly connected between the moving rod and the moving frame; a motor a, a motor a is fixedly connected to the assembly table; a screw, a screw is rotatably connected to the assembly table. The present invention arranges a moving frame and a fixing member to move the heat sink, and the rotating shaft tightens the fastener, so as to realize the automation of heat sink assembly, improve the assembly efficiency of the heat sink, and make the present invention have better use effect than the prior art.

The invention discloses an energy storage system cable with a multi-layer temperature-resistant structure, and relates to an energy storage system cable, the energy storage system cable comprises a conductive core, a wear-resistant layer, a wear-resistant pipe and a protective sleeve, the exterior of the conductive core is provided with an insulating layer, and the exterior of a shielding layer is provided with a thermal insulation wrapping tape. A filling heat preservation plate and a filling material are arranged in a gap between the heat preservation wrapping tape and the shielding layer, an inner temperature-resistant layer is arranged on the outer side of the heat preservation wrapping tape, an outer temperature-resistant layer is arranged on the outer portion of the reinforcing layer, and a wear-resistant layer is arranged on the outer portion of the outer temperature-resistant layer. The energy storage system cable with the multi-layer temperature-resistant structure is provided with the inner temperature-resistant layer, the outer temperature-resistant layer and the wear-resistant pipe, and the inner temperature-resistant layer and the outer temperature-resistant layer can improve the heat resistance inside and outside the cable, so that the cable is not easy to damage under the action of self high temperature and external high temperature, the service life of the cable is prolonged, the wear-resistant pipe has better heat resistance, and the service life of the cable is prolonged. Therefore, the heat resistance of the cable in use can be improved, and the wear-resistant pipe has good protection performance on the outside of the cable.

The utility model discloses a lithium battery cathode material depolymerization beater which comprises a base plate, a groove is formed in the base plate, a controller is installed on the base plate, two scattering tank bodies are fixedly connected to the base plate, a discharging pipe is connected between the scattering tank bodies and the base plate, an electric valve is installed on the discharging pipe, and weight sensors are installed on the scattering tank bodies. An indicating lamp is installed on the chassis. According to the utility model, the negative electrode material to be processed is quantitatively detected through the weight sensor, and the negative electrode material is prevented from exceeding the working limit of the device due to excessive quantity, so that the use loss is reduced, and the processing efficiency of the negative electrode material is improved.

The application relates to the field of welding technology, in particular to an automatic welding method and device applied to marine parts. The automatic welding device applied to the marine parts comprises a welding machine body and an auxiliary device; the auxiliary device comprises a supporting frame, a pay-off roll, a winding roll and a one-way assembly; a conductive belt is arranged between the pay-off roll and the winding roll; one end of the conductive belt is fixed on the pay-off roll and wound on the pay-off roll, and the other end of the conductive belt is fixed on the winding roll; in the process that the upper electrode is driven to move upwards to separate the conductive belt from the workpiece after welding, the one-way assembly prevents the pay-off roll from rotating, and the winding roll rotates to wind the conductive belt to tension the conductive belt between the pay-off roll and the winding roll, switch the contact position of the conductive belt and the next workpiece, and remove the adhered impurities, so that the subsequent welding is not affected.

This utility model relates to the field of mechanical engineering technology and discloses a damper that can be disassembled and maintained on-site. It includes a lower section tube, with a splitting mechanism installed at the top of the lower section tube. The splitting mechanism facilitates the disassembly and assembly of the equipment. A limiting mechanism is installed on the outer wall of the splitting mechanism to limit the range of motion of the equipment and prevent overuse. The splitting mechanism includes a housing, which is installed on the top left and right sides of the lower section tube. A rotating shaft is fixedly connected to the upper part of the inner wall of the housing, and a hinged plate is rotatably connected to the outer wall of the rotating shaft. A telescopic push rod is fixedly connected to the lower part of the inner wall of the housing. In this utility model, the upper and lower sections are first aligned, then the housing is inserted into the mating groove, and the hinged plate is engaged with the groove, thus fixing the upper and lower sections together. Finally, a button is pressed to loosen the connection, allowing the lower section tube to be removed, completing the disassembly of the equipment for easy on-site maintenance.

The application relates to a direct-current brushless motor power device for an automatic door, which comprises a main support for being connected with a door leaf; a motor arranged on the main support, the motor being a direct-current brushless motor provided with a Hall sensor; a driving pulley connected with an output shaft of the motor; a guide rail wheel rotatably arranged on the main support, the guide rail wheel being used for being connected with a running track; and a driven pulley rotatably arranged on the main support, the driven pulley being connected with the driving pulley and used for rotating the guide rail wheel. The application has the effects of high transmission efficiency and low noise of the direct-current brushless motor power device.

The utility model discloses a multi-axis tracking folding wind-sheltering tree-shaped wind-light integrated power generation system, which comprises a trunk, a plurality of photovoltaic panel groups arranged at different heights of the trunk, and a wind driven generator arranged at the top end of the trunk, each photovoltaic panel group comprises two photovoltaic panel units which are symmetrically distributed along the trunk; the photovoltaic panel unit comprises a bracket and a photovoltaic panel; the photovoltaic panel units are connected with the trunk through the force arm assemblies. The force arm assembly comprises an electric push rod which is used for adjusting upward folding and withdrawing, downward folding and withdrawing and the orientation angle of the photovoltaic panel unit. The wind-solar integrated power generation system is simple in structure and can effectively save the ground space; the system can automatically respond to changes of day and night, weather and seasons to adaptively open or close, effectively integrates respective advantages of wind and light power generation, prolongs the service life of the wind and light integrated power generation system, and improves the resource utilization rate.

The utility model discloses an assembly type outer wall dry hanging structure, relates to the technical field of constructional engineering, and provides the following scheme aiming at the problems that the working efficiency is reduced and potential safety hazards occur after long-time use due to the fact that welding fixation is generally adopted during installation in the prior art, the assembly type outer wall dry hanging structure comprises a base plate, and one side of the base plate is connected with a connecting plate; three assembly type keels are arranged above the base plate, a frame beam is arranged above the assembly type keels, the assembly type keels and the frame beam are provided with hanging pieces in an up-down parallel mode, one side of each hanging piece extends upwards to form a protruding block, and an outer wall veneer is arranged on one side of each hanging piece. The straight groove holes are formed in the two sides of the assembly type keel, fixing can be conducted through the first screws, the installation efficiency is higher, the grooves are formed in the contact positions of the outer wall veneers and the hanging pieces, the grooves of the outer wall veneers are meshed with the protruding blocks of the hanging pieces, and stability is improved.