593 results about "Electro hydraulic" patented technology

The invention relates to the technical field of vehicle safety auxiliary devices, and discloses an automobile multifunctional crawler-type anti-skid escape device which comprises tires, electric hydraulic cylinders and four sets of independently-controlled driving crawlers. Wherein the two groups of driving tracks are transversely arranged at the edge positions of the front end and the rear end of the automobile chassis to form a transverse track assembly; the vehicle body is lifted through the transverse track assembly, key parts are prevented from being eroded by accumulated water, and water flow impact is relieved; and thirdly, by means of independent control of the four sets of caterpillar bands, the vehicle is endowed with flexible maneuvering functions such as pivot steering and transverse movement, and accurate parking in a narrow space and obstacle avoidance are assisted. The whole structure is designed based on vehicle model customization, and an active and multifunctional driving safety guarantee means is provided for a driver on the premise that an original vehicle framework is not changed.

The present disclosure relates to a brake system and a method of controlling the same, the brake system including first and second wheel speed sensors respectively installed in wheels of a vehicle, electrohydraulic brakes respectively installed in front wheels of the vehicle, electromechanical brakes (EMBs) respectively installed in rear wheels of the vehicle, and a first controller configured to perform braking control on the electrohydraulic brakes and the electromechanical brakes based on a first front wheel speed signals outputted from the first wheel speed sensors installed in the front wheels, in which when a failure of the first wheel speed sensors installed in the front wheels are identified, the first controller performs the braking control on the electrohydraulic brakes and the electromechanical brakes based on the first rear wheel speed signals outputted from the first wheel speed sensors installed in the rear wheels.

The invention belongs to the technical field of new energy automobile steering systems, and discloses a new energy automobile electric hydraulic power-assisted steering system and a control method thereof.The system integrates a double-source redundant hydraulic power unit, a hydraulic adjusting unit, a multi-dimensional working condition sensing unit and an intelligent main controller; the multi-dimensional working condition sensing unit is integrated with a road adhesion coefficient detection module and a battery remaining capacity detection module. The control method is layered look-ahead matching control and is executed by an intelligent main controller in parallel: a power-assisted decision-making layer divides a three-stage power-assisted mode according to multi-dimensional perception information, and limits a steering angular velocity when power-assisted is enhanced on a low-attached road surface; the energy optimization layer predicts and implements prospective energy storage and pump rotating speed self-adaptive adjustment based on the intention of a driver; and the fault diagnosis layer realizes rapid fault identification and redundancy switching through multi-parameter collaborative diagnosis. The contradiction of high energy consumption, response delay and weak safety guarantee of a traditional system is solved, and power-assisted steering which is safe, energy-saving, fast in response and high in adaptability is achieved.

The utility model relates to a cutting device for test paper production, which comprises a device body, the upper surface of the device body is fixedly connected with a conveying frame, the inner wall of the device body is clamped with a conveying belt, and the inner wall of the device body is fixedly connected with a mounting frame. According to the device, after parameters are set through the touch panel, automatic and orderly operation can be carried out, the human input is greatly reduced, the production efficiency is improved, and the device is particularly suitable for the large-scale test paper production requirement, meanwhile, an electric hydraulic telescopic rod is matched with an auxiliary pulley to precisely fix test paper, and an electric sliding frame drives a blade to stably move in an electric sliding groove; the test paper cutting device has the advantages that test paper displacement during cutting is effectively avoided, it is guaranteed that the edges of the test paper are neat, the size precision is high, the product quality is improved, the cutting protection plate and the cooling fan protect and cool the blade in the cutting process, the service life of the blade is prolonged, finally, the cut test paper is smoothly discharged under the assistance of the discharging auxiliary fan, and the problems of paper jamming and the like are solved.

The invention discloses intelligent suspension conveying equipment for tea production, and belongs to the technical field of intelligent suspension conveying. The intelligent suspension conveying equipment comprises a fixing frame, a first fixing plate is arranged at the bottom of the fixing frame, rotating shafts are arranged in the two ends of the first fixing plate, belt round heads are arranged on the outer sides of the rotating shafts, and transmission belts are arranged on the outer sides of the belt round heads; a movable suspension arm is arranged on the outer side of the transmission belt, and adsorption equipment is arranged at the bottom of the movable suspension arm; a fixed frame is fixedly connected to the interior of the movable suspension arm, a second sliding rail is arranged in the fixed frame, a sliding block is movably connected to the interior of the second sliding rail, a movable rod is fixedly connected to the inner side of the sliding block, a third fixed plate is fixedly connected to the outer side of the adsorption equipment, and an electric hydraulic cylinder is fixedly connected to the inner side of the third fixed plate; push rods are movably connected to the inner sides of the electric hydraulic cylinders, and clamping blocks are fixedly connected to the inner sides of the push rods. The problems that height difference exists between adsorption equipment and materials, and manual feeding is needed are solved.

The invention relates to the technical field of plastic recycling, in particular to a vacuum cup accessory forming mold which comprises a workbench, four electric hydraulic rods are installed at the upper end of the workbench, output shafts of the four electric hydraulic rods are jointly and fixedly connected with an upper convex plate mold, and the lower end of the upper convex plate mold is slidably connected with a lower gravure mold. The lower end of the lower gravure die is fixedly connected with the workbench, an assembling groove is formed in the inner side of the lower gravure die in a clamped mode, a pop-up mechanism used for popping up accessories is arranged on the inner side of the assembling groove, and a material taking mechanism used for processing the formed accessories is arranged at the upper end of the lower gravure die. A flexible gasket and a gradually-changed tripping structure are arranged through the pop-up mechanism, so that the situation that a recycled material buckle is brittle and fractured due to hard ejection is avoided, and the short plate with insufficient toughness of the recycled material is adapted; the problem of local adhesion caused by uneven components of recycled material products is solved, lossless demolding is achieved, and the forming loss of the recycled material products is reduced.

The present disclosure relates to a brake system and a method of controlling the same, the brake system including first and second wheel speed sensors respectively installed in wheels of a vehicle, electrohydraulic brakes respectively installed in front wheels of the vehicle, electromechanical brakes (EMBs) respectively installed in rear wheels of the vehicle, a first controller configured to perform braking control on the electrohydraulic brakes and the electromechanical brakes based on first wheel speed signals outputted from the first wheel speed sensors of the wheels, and a second controller configured to perform braking control on the electrohydraulic brakes and the electromechanical brakes based on second wheel speed signals outputted from the second wheel speed sensors of the wheels in response to a failure of the first controller.

This utility model discloses a rear-mounted sweeping device for a road milling machine with debris collection function, belonging to the technical field of sweeping devices. It includes a fixed plate, with a base plate fixedly connected to the lower end of one side of the fixed plate. An electric hydraulic rod is provided at the upper end of the base plate, and a vertical plate is provided at the output end of the electric hydraulic rod. A top plate is fixedly connected to the upper end of the vertical plate, and a lifting plate is provided below the top plate. A rotating shaft is rotatably connected to the lower end of the lifting plate, and a turntable is fixedly connected to the lower end of the rotating shaft. A wire brush is fixedly connected to the base of the turntable, arranged in a ring. A support leg is located at the center of the wire brush, with its upper end fixedly connected to the bottom of the turntable, and a roller rotatably mounted at its lower end. This utility model can adapt to road surface undulations. Through the linkage design of the roller and the support leg, when the road surface is uneven, the roller rolls along the ground, causing the lifting plate to float up and down, ensuring a uniform sweeping effect and improving sweeping efficiency.

The utility model relates to the field of packaging material preparation, and discloses a hot-press fitting high-airtightness composite packaging material preparation device which comprises a hot press body, the left side and the right side of the hot press body are each of an opening structure, two mounting bases are fixedly mounted on the inner wall of the top of the hot press body, and electric hydraulic cylinders are fixedly mounted at the bottoms of the two mounting bases; and pressure sensors are fixedly installed at the output shaft ends of the two electric hydraulic cylinders correspondingly, U-shaped plates are fixedly installed at the bottoms of the two pressure sensors correspondingly, first pressing rollers are rotationally installed in the two U-shaped plates correspondingly, and two second pressing rollers are rotationally installed in the hot press body. Compared with the prior art, the multi-layer hot-press laminating machine has the following advantages and effects that integrated operation of preheating, primary hot-press laminating and secondary hot-press laminating of multiple layers of films can be achieved in sequence, molecule bonding between the layers of films is more sufficient, residual air between the layers can be extruded out, the overall laminating effect is improved, and the airtight performance of a packaging material is improved.

The utility model relates to the technical field of non-woven fabric smoothing, and discloses a non-woven fabric smoothing device which comprises a machining table, a connecting frame is fixedly connected to the top end of the machining table, a first electric hydraulic cylinder is fixedly connected to the top end of the inner wall of the connecting frame, and the driving end of the first electric hydraulic cylinder is fixedly connected with a connecting table. A second motor is fixedly connected to the rear end of the connecting table, a smoothing wheel is connected to the driving end of the second motor through a correcting set, fixing plates are fixedly connected to the left end and the right end of the machining table correspondingly, a first motor is fixedly connected to the rear end of the fixing plate at the left end, and a transmission pipe is fixedly connected to the driving end of the first motor. The front end of the transmission pipe is connected with an outer supporting plate through a supporting set. According to the utility model, through three-dimensional cooperative control of height, pressure and amplitude, flexible contact of non-woven fabrics with different gram weights is ensured, multidirectional stress wrinkles in high-speed production can be eliminated, rapid unloading of coiled materials with different diameters is ensured, and fiber layer damage caused by traditional knocking and dismounting can be avoided.

The utility model discloses an electronic communication cable cutting device which is characterized in that the upper surface of a cutting table is fixedly connected with a fixed rod, the interior of the fixed rod is movably connected with a movable rod, the surface of the upper end of the movable rod is fixedly connected with a movable table, and the upper surface of the movable table is fixedly connected with an electric hydraulic rod; the output end of the electric hydraulic rod penetrates through the fixing table and is fixedly connected with a first shearing blade, a guide plate is arranged on the upper surface of the cutting table, the second shearing blade is embedded in the surface of the guide plate, a fixing block is fixedly connected to the side face of the cutting table, and an electric telescopic rod is fixedly connected to the inner side face of the fixing block. And the output end of the electric telescopic rod is fixedly connected with a clamping plate, a guide wheel is arranged on the surface of the front end of the cutting table, the situation that the cable deviates in the moving process, and consequently notches of the cable are irregular when the cable is cut is avoided, and the practicability and adaptability of the cutting equipment are improved.

The utility model discloses marine diesel engine nozzle alloy steel bar production equipment which comprises a base, a U-shaped frame is fixedly connected to the upper surface of the base, and a cutting assembly is arranged in the U-shaped frame. The cutting assembly comprises an electric hydraulic push rod installed in an installation hole formed in the upper surface of the U-shaped frame, a built-in plate fixedly connected to the end of an output shaft of the electric hydraulic push rod and a balance weight plate arranged on one side of the built-in plate, a barrier plate is arranged above the built-in plate, and the barrier plate is fixedly connected to one side of the balance weight plate. According to the cutting device, the diesel engine nozzle alloy steel bar can stop moving after moving to a proper position, the cutting procedure of the diesel engine nozzle alloy steel bar is completed by moving the rotating cutting disc downwards, the cutting position of the bar can be adjusted, the cutting device is suitable for cutting bars of different lengths, clamping and fixing of the alloy steel bars of different sizes are achieved, and the working efficiency is improved. And the universality and adaptability of the cutting equipment are further improved.

The utility model provides an automobile dashboard covering body double-angle elastic block demoulding mould which comprises a lower mould base and an upper mould base, the upper mould base is arranged at the top end of the lower mould base in a matched mode, a mould cavity is formed between the lower mould base and the upper mould base, an elastic block groove is formed in the side face of the mould cavity, a metal elastic block is connected in the elastic block groove in a rotating mode, and the metal elastic block is connected with the lower mould base in a rotating mode. And assembly holes are formed in the two sides of the top end of the metal elastic block correspondingly, inclined ejection columns are connected into the two assembly holes in a nested mode correspondingly, and reset springs are fixedly installed in the two assembly holes correspondingly. The metal elastic block is arranged on the side face of the die cavity, when the upper die base and the lower die base are separated, the metal elastic block pulls the T-shaped sliding block to slide in the T-shaped sliding groove through the connecting rod at the moment, and due to the pulling force of the connecting rod and the cooperation of pulling the connecting rod through the electric hydraulic cylinder, the metal elastic block obliquely rotates; therefore, the metal elastic block is separated from the mold cavity, and quick demolding is facilitated.

The utility model discloses intelligent crane, including portal, and the lateral welding of portal upper end is provided with crosspiece to be located crosspiece middle end downside's lifting tool, still include: electric sliding rail, its setting respectively in crosspiece left and right two ends inside, and the outside end of electric sliding rail is connected with electric sliding block, the inside end fixed mounting of electric sliding block has reinforcing crossbeam, and the middle part of reinforcing crossbeam is penetrated and is set up prefabricated through -slot, the bearing block is installed in the inside end of reinforcing crossbeam, and the lower end middle part of bearing block is connected with electric hydraulic rod, and the output of electric hydraulic rod is connected with lifting tool each other, the lower end vertex angle department fixed mounting of lifting tool has the lifting ring, the front end outside fixed mounting of bearing block is located in the transmission rack in reinforcing crossbeam. This intelligent crane has good accurate positioning function, and intelligent automation degree is high simultaneously, reduces manpower resource, and safe and reliable, avoids the occurrence of safety accident.

A running gear assembly for a vehicle includes an inner flange, an optional brake member assembly, and a unit hub. The inner flange may be connected to either an axle or an independent suspension member. The brake member assembly—when present—may be any type of brake member assembly commonly used for vehicles, including—but not limited to—electrically, hydraulically, or mechanically actuated drum brakes and hydraulically actuated disc brakes. The unit hub allows the wheel and tire assembly to connect to the vehicle without the need for a spindle.

The invention discloses a replacement kit for a railway wagon damping system, and belongs to the technical field of railway wagon damping system maintenance equipment. The set is composed of a self-locking hydraulic pickaxe, a supporting tool, a positioning pin, a tightener, a portable electric hydraulic pump, a lifting protection device and a pillow spring fork, and all the parts are detachably connected through the positioning pin, an oil pipe and the like. The supporting tool adopts a symmetrical design and is provided with a lug, and the self-locking device and the tightener of the self-locking hydraulic pickaxe are matched, so that the pickaxe can be prevented from being broken in the jacking process; the lifting protection device comprises a first lifting protection device and a second lifting protection device which provide safety protection at the highest lifting position and the lowest falling position of the end head of the swing bolster respectively. According to the set, sleeper spring replacement and side frame stand column wearing plate replacement can be completed at the same time, online maintenance can be achieved without picking up, the problems that existing equipment is single in function, narrow in application range, low in maintenance efficiency and large in potential safety hazard are solved, and the set is suitable for various railway wagon bogies.

1. The name of the design product: electric hydraulic power steering system. 2. The use of the design product: electric hydraulic power steering system for automobile. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The present application relates to the technical field of condensing fan, and discloses a dual-purpose condensing fan structure for a freezer, which comprises a U-shaped double-path air inlet pipeline and an air outlet pipeline, the air outlet pipeline is communicated with the U-shaped double-path air inlet pipeline, the U-shaped double-path air inlet pipeline and the air outlet pipeline are arranged in a Y shape, first and second condensers are respectively installed at two ends of the U-shaped double-path air inlet pipeline, a fan is arranged in the air outlet pipeline, and first and second compressors are symmetrically arranged below the fan and installed on the air outlet pipeline. The present application is provided with a lifting assembly which can be lifted and lowered in the air outlet pipeline, and through the combination of a heat-sensitive propulsion assembly, i.e. an NTC thermistor and an electric hydraulic rod, the air flow temperature is monitored in real time, when the air flow temperature is too high, the electric control system drives the lifting assembly to descend, the effective ventilation area of the side edge through hole group is reduced, the air flow speed is actively reduced, and the residence time of the air flow on the surface of the condenser is prolonged, so that the heat exchange amount is improved.

The utility model relates to the technical field of woven bag processing, and discloses woven bag processing wire drawing equipment which comprises a bottom plate, a wire outlet mechanism is installed on the rear portion of the upper end of the bottom plate, a wire drawing groove is formed in the front end of the bottom plate, and stand columns are installed at the four corners of the lower end of the bottom plate. Electric hydraulic cylinders are mounted on the two sides of the lower end of the fixing plate; connecting blocks are mounted at the lower ends of the electric hydraulic cylinders; springs are mounted at the lower ends of the connecting blocks; fixing frames are mounted at the lower ends of the springs; a motor is installed on the left side wall of the left fixing frame, the front end of the motor penetrates through a motor shaft to be connected with a pressing wheel, an electric hydraulic cylinder is started, the electric hydraulic cylinder drives the pressing wheel to move downwards to press a silk thread, the motor is started, the pressing wheel is driven to rotate, the silk thread is flattened, wrinkles are avoided, two springs can drive the pressing wheel to elastically move, and therefore the silk thread is flattened. And the situation that the silk threads are stuck is avoided.

Method for electrohydraulically forming a blank of material wherein - a blank of material to be deformed is placed between a mould and a blank holder, - a cavity containing electrodes is filled with liquid to a predetermined liquid level, - the blank of material is placed in contact with the liquid in the cavity, - a first electric discharge is generated between at least two electrodes so as to deform the blank of material against the mould, - the mould is brought nearer to the electrodes by moving the mould so as to reduce the distance between the electrodes and the blank of material to be deformed after the first electric discharge has been generated, - at least one other electric discharge is generated between at least two electrodes so as to deform the blank of material against the mould.

The application discloses a double-push-rod hydraulic deviation rectifying device, relates to the technical field of conveyor belt deviation rectifying, and comprises mounting plates and mounting racks rotatably connected to the mounting plates, two first mounting pipes are rotatably connected to the two sides in the mounting rack, an adjusting pipe is fixedly connected between the two first mounting pipes, and a deviation rectifying adjusting mechanism is arranged on the adjusting pipe and the mounting rack. The double-push-rod hydraulic deviation rectifying device is fixedly installed on the conveyor through the mounting plates. When the belt on the conveyor deviates, the hydraulic transmission control mechanism is driven to operate, then the hydraulic transmission control mechanism starts the electric hydraulic push rod to operate, the electric hydraulic push rod drives the mounting rack to rotate, thereby driving the belt to move, the belt is inclined to one side, the adjusting roller drives the belt to move, and the belt moves to the middle position of the mounting rack, so that the deviated belt is automatically rectified.

The invention discloses a building material product quality detection device, and particularly relates to the technical field of constructional engineering, the building material product quality detection device comprises a workbench, two support plates are arranged on the rear side of the upper part of the workbench, electric hydraulic rods are arranged on the upper parts of the two support plates, and a pressure detection assembly is arranged on the lower parts of the two support plates; the pressure detection assembly is further connected with piston rods of the two electric hydraulic rods, a connecting assembly installed on the upper portion of the workbench is arranged on the middle side of the rear portion of the pressure detection assembly, and a transmission assembly is arranged on the lower portion of the pressure detection assembly. According to the building material product quality detection device, through the design of the pressure applying detection assembly and the adjusting mechanism, different positions of a concrete pipeline can be detected, the middle area of the pipeline can be detected, key parts such as pipe openings in the two sides can be positioned, and meanwhile, the detection accuracy is improved. The locking mechanism ensures that the pressing plate is kept at a stable position in the detection process through a clamping structure of an embedded block and a rectangular plate, and detection deviation is avoided.

A method for disconnecting an upper completion from a lower completion includes positioning a cutter at a first position, actuating the cutter to initiate a cut in a mandrel, wherein the mandrel is disposed within the downhole tubing assembly, and wherein the mandrel is separated into an upper portion of the mandrel and a lower portion of the mandrel by the cut, lifting the cutter out of the downhole tubing assembly, lifting the upper portion of the mandrel as a part of a pull out of hole (POOH) operation, wherein the upper portion of the mandrel is configured to pull a support sleeve during the POOH operation, disengaging a locking mechanism between a cut-to-release (CTR) collet from the lower completion, and lifting the upper completion up from the downhole tubing assembly, wherein the upper completion comprises the upper portion of the mandrel, the support sleeve, and the CTR collet.

This invention relates to the field of elevator shaft formwork technology, and discloses a rapid formwork structure for elevator shafts and its construction method. The structure includes an elevator shaft body, a mounting base, a lifting assembly, an electric hydraulic cylinder, a fixing plate, and fixing pins. The mounting base is fixedly installed on one side of the elevator shaft body. The lifting assembly is installed inside the mounting base. Electric hydraulic cylinders are symmetrically fixedly installed on the top of the mounting base. Fixing plates are fixedly installed on the tops of both electric hydraulic cylinders. Through the cooperation between the lifting assembly, electric hydraulic cylinders, fixing plates, and fixing pins, the electric hydraulic cylinders can drive the fixing plates downwards, and the fixing plates can drive multiple fixing pins downwards. Inserting the fixing pins into the soil fixes the rapid formwork structure, eliminating the need for manual hammering of the fixing pins. This makes the rapid formwork structure more secure and improves the stability of the elevator shaft's rapid formwork structure.

The utility model provides a shearing sampling device for preventing plants from generating aeroembolism, belongs to the technical field of plant sample sampling, and solves the technical problems that air enters a xylem conduit to form the aeroembolism at the moment of shearing in the prior art, a moisture transport channel is blocked, and leaves are dehydrated, withered and even dried off and fall off. A shear sampling device capable of preventing plants from generating aeroembolism comprises a drive-by-wire chassis, a sampling frame fixed on the drive-by-wire chassis, a supporting rod fixed on the sampling frame, a regulation and control rod connected to the supporting rod in a sliding mode, an electric hydraulic clamp fixed to the regulation and control rod, a soaking cavity formed in the sampling frame, and a net cage arranged in the soaking cavity, a first regulation and control assembly for controlling the height of the net cage is arranged in the sampling frame, a second regulation and control assembly for controlling the height of the regulation and control rod is arranged in the supporting rod, and a driving assembly for controlling the shearing head to conduct shearing action is arranged in the regulation and control rod. The plant branch cutting device has the advantages that plant branches can be cut in water, and aeroembolism is prevented.

The utility model provides an automatic feeding robot for metal processing, which belongs to the technical field of robots and comprises a base, an automatic feeding component and a quick feeding component. The metal piece pushing device has the beneficial effects that a user opens the electric hydraulic rod and the torque motor through the controller, the electric hydraulic rod drives the pushing plate to move towards one side, the pushing plate enters the position between the two connecting frames through the discharging groove, and then metal pieces in the connecting frames are pushed out through the discharging groove; at the moment, a torque motor drives one rotating rod to rotate, the other rotating rod rotates through cooperation of a belt wheel and a belt, then two guide wheels rotate, the pushed metal part is conveyed to a guide plate, the guide plate conveys the metal part to a supporting base, and the metal part is waited for machining through a mechanical arm; the metal piece moves downwards through gravity and then waits to be pushed, and therefore the purposes of automation and rapidness are achieved.

The utility model relates to the technical field of liquid filling, and discloses a reaction kettle dripping device which comprises a liquid storage tank and an electric hydraulic cylinder, the upper end of the liquid storage tank is in threaded connection with a tank cover, a material filling opening is formed in the middle of the upper end of the tank cover, and a sealing cover is hinged to the side wall of the upper end of the material filling opening; three dropping pipes are connected to the lower part of the outer side wall of the liquid storage tank, metering pumps are mounted at the upper ends of the dropping pipes, control valves are mounted below the metering pumps, guide pipes are connected to the lower ends of the dropping pipes, and dropping heads are mounted at the lower ends of the guide pipes; the sealing cover is opened, liquid needing to be filled is poured into the liquid storage tank, the three guide pipes are inserted into the reaction kettle, the three metering pumps are started, after the flow is accurately controlled through the metering pumps, the liquid enters the dripping head through the guide pipes and is evenly dripped into the reaction kettle, accurate quantitative filling of the multiple guide pipes is achieved, the filling time is saved, and the operation efficiency is improved.

The utility model discloses a fire hydrant device for fire-fighting early warning, and relates to the technical field of fire hydrants. The fire hydrant device for fire early warning comprises a fire hydrant body, a driving mechanism is arranged on the outer side of the fire hydrant body, a buffer structure is arranged on the outer side of the driving mechanism, the driving mechanism comprises a fixing frame, and an electric hydraulic push rod is fixedly installed on the inner wall of the fixing frame; a connecting rod is fixedly installed at the movable end of the electric hydraulic push rod, and a lifting frame is installed at the other end of the connecting rod. An electric hydraulic push rod on the inner side of the fixed frame can be used for controlling the lifting frame through a connecting rod to realize a height adjusting function, so that the total height of the fixed frame and the lifting frame is flexibly adjusted according to the actual use requirement and the idle state of the fire hydrant main body, and the use convenience of the fire hydrant is ensured; and meanwhile, safety protection in a non-use state is also guaranteed, so that an all-around protection effect is achieved.

1. Name of the product in this design: Electric hydraulic tool handle (general-purpose full-circumference rotating lighting). 2. Application of this design: This design is a universal, fully rotatable handle with lighting function for use in electric hydraulic tools. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to an elevator door mechanical strength inspection device, and aims to solve the problems that the shape of a current detection head is fixed, so that the strength inspection of collision of objects with different shapes on an elevator door cannot be simulated, the accuracy of the strength inspection of the elevator door is reduced, the deformation degree of the inspected elevator door cannot be visually observed, and the inspection cost is reduced. The device comprises a base, a fixing plate is installed on one side of the top of the base, an adjusting mechanism is installed on the fixing plate, an electric hydraulic cylinder is installed on the adjusting mechanism, and an inspection mechanism is installed at the driving end of the electric hydraulic cylinder. According to the utility model, collision with the elevator door in different shapes is simulated to detect the strength of the elevator door, the strength detection accuracy of the elevator door is further improved, the deformation degree of the elevator door can be visually observed, and the deformation distance of the elevator door can be rapidly measured according to the scale marks.