48 results about "Dual purpose" patented technology

The utility model discloses a dual -purpose nut gun, including transmission assembly, first conversion subassembly and second conversion subassembly, and transmission assembly includes support cover, slewing screw, sliding cover, slewing screw rotation connection in the rear end of support cover, and the front end of slewing screw is provided with outer thread, and the most front end of slewing screw sets up a plurality of first processing surface along the circumference, forms transmission head, and the rear end of sliding cover is provided with the rear thread hole of adapting with outer thread, and the rear end of rear thread hole sets up a plurality of second processing surface along the circumference, forms the transmission groove of adapting with transmission head, and the front end of sliding cover is provided with front thread hole, first conversion subassembly includes first connecting sleeve and screw piece, and the front end of screw piece can be spun into pull rivet nut, second conversion subassembly includes second connecting sleeve, and the claw of clamping in second connecting sleeve is slidably connected, and the front end of claw can lock pull rod, the utility model puts forward a kind of nut gun, and it can be used for the installation of pull rivet nut and pull rivet.

This utility model relates to the field of motor sealing structure technology, specifically a heat dissipation motor sealing structure for a high-pressure explosion-proof fan. It includes an explosion-proof motor body, a matching flange assembly fixed to one end of the motor body, a heat dissipation component external to the flange assembly, an annular groove on the end of the motor body near the flange assembly, a sealing element embedded in the annular groove that abuts against the flange assembly, and multiple sealing rings at the rotatable connection between the end shaft of the explosion-proof motor body and the flange assembly. This utility model effectively dissipates the heat generated by the generator through the heat dissipation component external to the flange assembly, the sealing element embedded in the annular groove abuts against the flange assembly, and the sealing rings at the rotatable connection between the end shaft of the explosion-proof motor body and the flange assembly. The combination of these multiple structures achieves the dual purpose of heat dissipation and sealing.

An electric dual-purpose four-wheeled scooter for power transmission line maintenance and repair of horizontal double-split conductors, relating to the field of power grid equipment technology, is provided. The scooter features front drive wheels and rear wheels. A front vertical rod connected to the scooter body is located at the front of the seat frame. Two cranks are rotatably mounted at the bottom of the front vertical rod, each with a foot pedal. The cranks drive each front drive wheel via a drive mechanism to move along its corresponding power transmission line. A braking mechanism is also provided on the scooter body. This invention uses a motor to drive the front drive wheels along the power transmission line. If the battery is depleted, the maintenance personnel can use both feet to press the foot pedals, each pedal rotating the cranks. The two cranks, through the drive mechanism, drive the two front drive wheels and the two rear wheels along their respective power transmission lines. This four-wheeled scooter enables long-distance maintenance of power transmission lines, improving operational safety and making it suitable for daily inspection and maintenance of high-altitude power transmission lines.

A dual-purpose gas heater includes a shell, a partition, a gas valve, a burner, a combustion and heat dissipation chamber, an axial flow fan, an air duct, and a wall-mounted suspension device. The shell includes a bottom shell, a front cover, and two bottom support feet. The air duct is fixed to the rear back panel and the front wall panel and communicates with the rear air inlet and the front air outlet, respectively. The axial flow fan is located at the rear of the air duct. The combustion and heat dissipation chamber passes through a through hole and is fixed to the front wall panel. The burner is fixed to the rear back panel, and the combustion part is fitted with the burner hole on the rear back panel of the combustion and heat dissipation chamber. The gas valve is located in the upper chamber. The suspension device is detachably connected to the hanging hole, and the rear end of the bottom support feet is supported by the wall. A heat-insulating and air-guiding channel is formed between the rear back panel and the wall. The suspension device, the hanging plate on the bottom shell and the rear back panel, and the bottom support feet allow for switching between wall-mounted and wall-mounted usage modes.

The utility model relates to the technical field of hydraulic transmission, specifically relates to a horizontal and vertical dual-purpose formula ultrathin hollow rotary oil cylinder, including cylinder body, casing, the casing outside is equipped with the push -in mouth, pull -out mouth, oil return, the casing upper surface outside is provided with the fastening mouth, the casing upper surface is equipped with the installation mouth, the casing middle part is provided with the hollow main shaft, hollow main shaft one end outer wall is equipped with the outer thread, hollow main shaft one end inner wall is equipped with the internal thread, the cylinder body outside is fixedly connected with valve shaft through the fixed peg, the cylinder body upside is equipped with the front lock mouth, rear lock mouth, the cylinder body upside is fixedly provided with the stop mouth, the hollow main shaft sets up in the cylinder body middle part, is connected through the bearing cooperation between the hollow main shaft and cylinder body. The utility model, adapts two kinds of installation postures, satisfies different equipment layout demand, the direction of oil return is not restricted, and the oil return distance is also longer than traditional device, and the overall length is also more short.

This invention relates to the field of unmanned aerial vehicle (UAV) technology, specifically to a dual-purpose (negative pressure and thrust) propeller structure. The propeller includes a shaft core, and for use by a flying robot capable of adhering to a vertical wall surface, the propeller has two large-radius blades and several smaller-radius blades arranged on the outer wall of the shaft core. The two large-radius blades are symmetrically arranged at 180 degrees along the shaft core. By adding several smaller-radius blades to optimize the design, compared to traditional propellers, this design improves airflow distribution and eliminates the problem of low airflow velocity near the shaft core during negative pressure adsorption and flight; it also enhances the ventilation effect, especially in the semi-enclosed negative pressure chamber, achieving better air circulation.

This utility model belongs to the field of radiator technology, and particularly relates to a water and electricity dual-purpose radiator. It has multiple vertically arranged connecting columns, the upper and lower ends of which are respectively connected to the upper and lower main pipes. The upper and lower main pipes are connected to inlet and outlet water pipes to form a water circulation channel. The number of connecting columns is at least five. The connecting columns, the upper main pipe, and the lower main pipe are all made of aluminum alloy. The mounting frame is assembled from the side panels, the first assembly main board, and the second assembly main board. It is fixed to the connecting columns by locking screws to achieve modular and quick installation. A carbon crystal heating component is installed in the mounting frame, which can quickly heat up through the carbon crystal plate and continuously keep the water circulation warm. The dual-mode synergy reduces energy consumption, and one of the heating methods can also be used alone. The operation is flexible and simple.

The utility model relates to the technical field of shell core machine discloses a horizontal and vertical dual -purpose shell core machine, including installation support frame, be provided with first module and second module on installation support frame, first module and second module can use independently on installation support frame, first module includes the upper die and lower die of being established on installation support frame, and the lower die can be perpendicular motion along the up and down direction of installation support frame, second module includes two core making mould, and two core making moulds can move relative motion along the left and right horizontal motion of installation support frame, the utility model discloses through first module and second module are used alone on installation support frame, and the shell core machine of vertical direction and horizontal direction moving mode is integrally arranged, has reduced the occupied area of vertical motion shell core machine and horizontal motion shell core machine, and simultaneously can effectively make the sand core of different types to the production to the increase of shell core machine's use scene and the scope of application.

A pneumatically controlled dual-purpose glue gun includes a gun body, a barrel located above the gun body, a handle located below the gun body, and a trigger hinged to the gun body. The gun body has a mounting cavity that communicates with the barrel via a central channel. The handle has an air inlet channel connected to a stable compressed air source. A piston assembly slides within the barrel. The piston assembly includes a piston connecting rod and a piston body. The piston body is mounted on the piston connecting rod, and its outer wall is in contact with the inner circumferential wall of the barrel. This invention comprehensively optimizes the structure. On one hand, it uses a stable compressed air source to drive the piston assembly, ensuring a smooth glue dispensing process and effectively avoiding fluctuations in glue volume. On the other hand, switching between soft and hard glue dispensing functions requires only simple disassembly and assembly of a few parts, making operation convenient and efficient. Furthermore, when dispensing stops, the residual air pressure inside the barrel and the central channel can be quickly released to the outside, reliably preventing glue overflow.

This invention discloses a wheeled and tracked dual-purpose transport mechanism, relating to the field of transport technology. It includes a frame, with a front axle assembly and a rear axle assembly respectively disposed at the bottom of the frame. A switching assembly is disposed at the bottom of the frame, and a track assembly is disposed at the bottom of the switching assembly. Horizontal plates are fixedly installed on both sides of the bottom of the frame, with damping rods inserted into the horizontal plates. A baffle is fixedly installed on the top of the damping rods, and the baffle is fixedly connected to the horizontal plates by a tension spring surrounding the surface of the damping rods. The front axle assembly includes a bogie rotatably connected to the bottom of one set of damping rods via a rotating shaft. The wheeled and tracked dual-purpose transport mechanism disclosed in this invention, with its switching assembly and track assembly, allows for convenient switching of its drive mode during use, thereby facilitating the subsequent use of the transport mechanism and improving its efficiency. This also facilitates subsequent operation by personnel.

The application discloses a kind of dual-purpose testing machine for determining the effective life of bearing lubricating oil and grease for new energy vehicle, including testing machine head and drive motor, the testing machine head includes positioning shaft, lubricating grease test component, lubricating oil test component, first bearing seat, pre-pressing device, disc spring and heater, the drive motor is drivingly connected with positioning shaft, two first bearing seats are respectively sleeved on positioning shaft, the pre-pressing device and disc spring are arranged on the side of first bearing seat, the both ends of disc spring are respectively in axial abutment with pre-pressing device and the first bearing seat, and the heater is arranged on the first bearing seat;When testing the effective life of bearing lubricating grease, lubricating grease test component is installed on positioning shaft;When testing the effective life of bearing lubricating oil, lubricating oil test component is installed on positioning shaft, so that the application can be used for two purposes, and the testing machine head has two test bearings, and the test results obtained are efficient.

This invention relates to the field of in-situ testing technology for soil and rock, specifically disclosing a dual-purpose penetrometer capable of switching between static and dynamic testing. It includes a main frame, within which a movable main shaft is vertically mounted. A drop hammer is mounted on the main shaft, and a penetrometer probe is mounted at the bottom of the main shaft. The main frame also houses a lifting assembly, a pressing assembly, a first horizontal moving assembly, and a second horizontal moving assembly. The first horizontal moving assembly is connected to the lifting assembly, enabling horizontal movement of the lifting assembly and thus connecting or disconnecting the main shaft from the lifting assembly. The second horizontal moving assembly is connected to the pressing assembly, enabling horizontal movement of the pressing assembly and thus engaging or disengaging the main shaft from the pressing assembly. This invention utilizes the lifting assembly, pressing assembly, first horizontal moving assembly, and second horizontal moving assembly to form both a static and a dynamic penetrometer.

The application provides a bulldozer earth-pushing and earth-transporting dual-purpose shovel structure and a use method, relates to the technical field of engineering machinery accessories, and comprises a supporting arm, one end of the supporting arm is fixedly connected with a bottom plate, the top of the bottom plate is symmetrically fixedly connected with two side plates, the top of the supporting arm is fixedly connected with a second oil cylinder seat, the inner side wall of the second oil cylinder seat is hingedly connected with a second oil cylinder, one end of the supporting arm is provided with a connecting hole, the top of the supporting arm is symmetrically fixedly connected with two first oil cylinder supports, the inner side wall of the first oil cylinder support is provided with a first oil cylinder, and one end of the first oil cylinder is fixedly connected with a shovel blade. The first oil cylinder drives the shovel blade to move forward and backward, so that the shovel blade can be used as an independent earth-pushing shovel blade to perform normal earth-pushing operation and can be moved backward to a closed shovel container surrounded by the bottom plate and the side plates, so that the bulldozer is temporarily changed into an earth-transporting device, and a loading vehicle is not additionally provided.

This utility model discloses a dual-purpose wrench for gas cylinders and cutting torches, belonging to the field of wrench technology. The dual-purpose wrench includes jaws, a handle fixedly connected to the bottom of the jaws, a fixed-end wrench assembly at the end of the handle, and a rotating handle fixedly mounted at the end of the handle. A rotating shaft is fixedly connected to the end of the rotating handle, and the rotating shaft is rotatably connected to the inside of the handle. A diamond-shaped locking post is fixedly connected to the bottom of the rotating handle. This utility model, through the cooperation of the rotating handle, rotating shaft, diamond-shaped locking post, and square socket, integrates the wrench with the jaws and handle, enabling the opening and closing of gas cylinders and the adjustment and disassembly of cutting torches with a single integrated wrench. This avoids the need for multiple wrenches to be switched back and forth for these tasks, further improving the wrench's operability and work efficiency.

This utility model provides a dual-mode switch locking mechanism for an angle grinder, belonging to the field of power tool technology. It includes a handle mechanism comprising a mounting housing, two spliced ​​housings located at the bottom of the mounting housing, and a switch hinged between the two spliced ​​housings. The locking mechanism includes a locking component mounted on the spliced ​​housing for dual-mode locking of the switch. The switch includes a push-button switch hinged between the two spliced ​​housings, a protruding plate fixedly mounted on the top of the push-button switch, and a locking block fixedly mounted on the end of the protruding plate. The locking component includes a cylindrical rod slidably mounted on the spliced ​​housing. This utility model solves the problem of traditional locking components only being able to perform one function (safe or normally open) by using a locking component to achieve dual-mode locking of the switch, achieving a dual-purpose locking component with only one mold, reducing mold-making costs.

The application discloses a three-configuration full-electric range-increasing stealth flight vehicle, which covers three gears of small-sized two-seater, medium-sized six-seater and large-sized 20-seater, adopts a full-aluminum alloy light-weight vehicle body and chassis, is equipped with a double-independent power system, a rotor retractable hidden structure, a hydraulic static angle adjusting mechanism and a steering wheel integrated control system. The rotors are completely hidden during ground driving, and the appearance is consistent with that of common vehicles; the four-rotor or five-rotor is unfolded during flight, the angle adjusting is realized through the hydraulic static angle adjusting mechanism, and the vehicle has three flight modes of light load, heavy load and heavy type, and can be adapted to all scenes such as civilian commuting, military transportation, emergency rescue and ship matching. The application has the advantages of extremely simple structure, safety and reliability, simple operation, unlimited endurance, cross-field universality of the core angle adjusting mechanism, realization of military and civilian dual use and large-scale production.

The utility model relates to the technical field of compound bow, and disclose the string stopper and dual -purpose compound bow with controllable brake force degree having, including string stopper support and the string stopper of rotation installation in string stopper support opening department glue, still include: brake cover, be located between string stopper glue and string stopper support, be used for the compression string stopper glue. The string stopper with controllable brake force degree, through setting the brake mechanism of force degree adjustable, can accurate control string stopper glue's movement stroke to the shooting precision and stability is enhanced.

The application discloses an event-triggered air-ground dual-purpose unmanned aerial vehicle semi-Markov smooth model prediction control method and system, belongs to the technical field of control theory and control engineering, and solves the problems of input jitter and high calculation amount of the air-ground dual-purpose unmanned aerial vehicle control.The method comprises the following steps: a dynamic event-triggered model prediction smooth control framework is proposed; a transition-dependent smooth controller and a mode-dependent stabilizing controller are designed; and the optimal control of the system in a disturbed environment is realized.Through state observation and a dynamic triggering mechanism, a model prediction control law is directly designed, complex online optimization calculation is not needed at each time, and efficient control of the random switching system can be realized.The application is suitable for the control of complex engineering systems such as unmanned aerial vehicles and power systems.

The utility model relates to a kind of push-pull dual-purpose seeding machine, including frame, the top and bottom of the frame are equipped with hopper and the walking wheel that can be rotated respectively, characterized by, connection rod is equipped on the frame, one side end of the connection rod is equipped with handle connecting plate, rotatable handle is equipped on the handle connecting plate, the handle is located far from the end of connection rod and is equipped with pipe supporting connecting plate, pipe supporting connecting plate is equipped with pipe, the pipe is located far from the end of handle and is equipped with detachable tow head connecting plate, the tow head connecting plate is used to connect trailer, the handle is adjusted by rotating, to set angle, realize hand push and tow mode switching.The utility model has the following advantages and effects: by adjusting handle angle, to realize the switching between hand push mode and tow mode, so as to realize push-pull dual-purpose, improve the flexibility of use.

The application discloses a circular coaxial multi-drive AC-DC dual-purpose closed-loop circulating power driving system, and belongs to the field of high-power coaxial integrated power driving. The system comprises a circular track assembly, at least one set of AC-DC dual-purpose driving unit, a linkage lever assembly, a central common main shaft and an electric control monitoring system. The track is provided with two independently selectable operation structures of pure mechanical and pure magnetic suspension, the driving unit can be arranged along the annular track in single or multiple, and supports two starting modes of AC external power supply and DC energy storage power supply. Each driving unit adds and converges torque to the central main shaft through the radial lever to realize large torque output. The central main shaft can be extended downward to coaxially drive one or more generator sets to work. The system is initially started by external electric energy, and the rear-end generated electric energy can be used to compensate the equipment operation loss to realize closed-loop continuous operation. The whole machine power specification can be modularized and scaled, the small machine type is suitable for remote island independent power matching, and the large machine type can construct urban centralized power stations, so that the system is free from the dependence on traditional power equipment external energy source consumption, and has wide scene adaptability and stable and reliable operation.

This utility model provides an anti-deviation transmission structure for a dual-purpose wheel-track friction drive track, belonging to the field of engineering vehicle track technology. The anti-deviation transmission structure includes a track plate and a rubber wheel. The track plate is fitted over the rubber wheel, and the track plate and rubber wheel engage in frictional contact. A support shaft is fixedly connected to the inner hub of the rubber wheel, and the support shaft is connected to the vehicle frame. A guide strip with an isosceles trapezoidal structure is fixed on the inner central axis of the track plate. A guide groove is provided on the side wall of the rubber wheel, and the guide strip matches the guide groove. The inner surface of the track plate has a rough pattern, which interlocks with the axial groove on the rubber wheel to increase friction and drive the vehicle. This utility model solves the problem that existing wheel-track structures cannot simultaneously support both independent driving and track-mounted driving, and that tracks are prone to deviation when there are no wheel teeth for positioning.

The utility model relates to igniter technical field discloses a kind of dual-purpose spray and drop electric igniter of knapsack type, including gun body shell, the inside fixed connection of gun body shell has ignition subassembly, the outside fixed connection of gun body shell has pull support subassembly, the left side outside fixed connection of gun body shell has modularization subassembly, the left side fixed connection of ignition subassembly has fuel storage subassembly, the right side fixed connection of the top of gun body shell has counterweight subassembly, the modularization subassembly includes slide rail, the bottom fixed connection of slide rail is in the left side top of gun body shell. In the utility model, by cooperating fuel storage subassembly with ignition subassembly, oil storage box, oil dripping pipe etc., spray and drop dual-purpose ignition function is realized, when spraying fire, fuel is sent to spray tube by oil pipe, and is ignited by high-pressure pulse igniter, when oil dripping ignites, fuel in oil storage box is transported by oil dripping pipe, and the applicability and operating flexibility of equipment are improved.

The utility model discloses a cup gun dual -purpose electrostatic rotary cup, including base, movable seat and double -end cup body, base top rotatable installation has movable seat, movable seat top center fixed mounting has the pivot seat, double -end cup body bottom is provided with the connecting seat, the connecting seat is through the pivot swing installation in the pivot seat, double -end cup body both sides are installed rotary cup head and the spray gun head respectively, movable seat top one side embedding installation has servo motor, the pivot seat outer wall and pivot transmission connection have worm wheel, servo motor top output shaft installs the worm, worm and worm wheel interlock and form transmission pair. The utility model discloses can through the unique two degrees of freedom rotary structure, will electrostatic rotary cup spray and spray gun spray two functions integration in one, solves the single -function of existing spray equipment, and the problem of the low efficiency and cost increase of the equipment caused by the need frequent replacement.