61results about How to "Low structural cost" patented technology

The invention discloses a robot, a mechanical arm and a mechanical arm detection control device and method, and belongs to the technical field of robots. The mechanical arm detection control method comprises the steps that S100, an actual torque signal of a motor unit is detected; s200, obtaining a detected actual torque signal of the motor unit, and processing and calibrating the actual torque signal to obtain an actual torque output by the motor unit; and S300, zero-force control is conducted on the mechanical arm according to the actual torque output by the motor unit and the mechanical arm compensation torque, and the mechanical arm compensation torque comprises the gravity torque of the mechanical arm, the joint friction torque of the mechanical arm and the inertia torque of the mechanical arm. The torque detection unit is directly integrated into the motor unit, installation and maintenance are simplified, the requirement for zero-force control of the mechanical arm is met, and controllability and safety of the robot are improved.

The utility model relates to air conditioning technical field provides an air conditioner indoor unit and air conditioner, indoor unit includes: shell, the shell has the air outlet, fixed part is located the position of the shell is located air outlet downside, air deflector is configured as movably placed below air outlet to block air outlet downward air outlet, wherein: air deflector is connected with connecting piece, and through connecting piece quick release is installed on fixed part, the utility model discloses air conditioner indoor unit, through setting fixed part at the bottom of shell, air deflector quick release is connected in fixed part through connecting piece, makes air deflector to be located below air outlet, blocks air outlet directly downward air blowing, can realize the function of preventing straight blowing, low structure cost, can also quickly and conveniently remove air deflector when not using, and after air deflector removal, fixed part is located at the bottom of shell, its structure is not easy to be perceived, and air conditioner indoor unit appearance is beautiful, improves user experience.

The utility model discloses a swimming pool cleaning device which comprises a first sensor, a second sensor and a controller, the first sensor is located on one side portion of the swimming pool cleaning device, and the second sensor is located on the head portion or the tail portion of the swimming pool cleaning device. The sensing range of the first sensor at least partially coincides with the lateral area of the swimming pool cleaning equipment, the sensing range of the second sensor at least partially coincides with the front area or the rear area of the swimming pool cleaning equipment, and the controller can receive data signals of the first sensor and the second sensor. And position information of the swimming pool cleaning equipment is obtained based on the data signal. According to the swimming pool cleaning equipment provided with the sensors, the edge positioning function in a swimming pool can be achieved only through the two simple sensors, and the production cost and the structural cost are reduced.

This application provides a method, apparatus, and electronic device for controlling a motor. Without using a Hall sensor or other device to detect motor speed, the processor in the electronic device calculates the peak voltage of the AC power supply driving the motor using a zero-crossing detection signal. Then, based on the peak voltage, it determines when the motor speed needs adjustment. The voltage control circuit adjusts the AC power supply voltage to the motor, thereby achieving motor speed adjustment. Therefore, this application reduces the structural complexity and cost of the electronic device while controlling the motor, and also improves the user experience of the electronic device.

The present application relates to the technical field of tunnel construction, in particular to a tunnel shield support non-blasting excavation method and equipment, the excavation method comprises four steps of drilling and pumping, concrete solidification, excavation of the surrounding rock and waterproof treatment, the method forms a concrete closed-loop shield support system by drilling and pumping in advance, a stable closed-loop support structure is formed before the excavation of the surrounding rock, effectively preventing the large deformation of soft rock and the rock burst phenomenon caused by stress release in hard rock during tunnel excavation; the system anchor rod, concrete spraying construction and explosive blasting process in the traditional support system are cancelled, which is safe and reliable, and has high economic benefits. The excavation equipment shares a propulsion mechanism through the spiral drill module and the reverse circulation down-the-hole drill module, without the need for separate propulsion devices for the two drill bits, the feed is achieved by driving the arc-shaped limiting piece with a chain, and the limiting block, the worm and the ring worm gear transmission self-locking function are matched to ensure the positioning accuracy of the drill bit during drilling, and to reduce the complexity of the equipment structure and the purchase and maintenance cost.

This utility model discloses a water path switching structure and a water outlet device with the water path switching structure. The water path switching structure includes: an inlet component comprising a first flow channel, a second flow channel, and a central plug; a drive mechanism comprising a piston assembly and an energy storage chamber; and an outlet mechanism comprising a water distributor, a movable component, a guide component, and at least two outlet channels. The water distributor is rotatably disposed between the second flow channel and each outlet channel. The movable component is linked with the piston assembly and can translate relative to the guide component between a first position and a second position. The water distributor can translate with the movable component and rotate along the guide component. The entire switching process is controlled by hydraulic power, requiring no electrical control components, battery replacement, or charging. Under the water storage and drainage function of the energy storage chamber, the switching operation can still be achieved even at low water pressure. The structure is low in cost and easy to operate.

The utility model provides a floor type power distribution box, which solves the problems that the internal ventilation structure of the conventional power distribution box is limited, the internal temperature of a cabinet body is higher when the conventional power distribution box works in an external high-voltage power distribution environment, and the service life of an electric device is not prolonged, and mainly comprises a front opening type cabinet body, and the bottom layer of the cabinet body is a closed cabinet body with a built-in control module; the top layer of the cabinet body is hollowed out, a semi-open lock door is hinged to the top layer of the cabinet body, the top of the cabinet body and the side end of the cabinet body are provided with a first air cooling installation part and a second air cooling installation part which correspond to the inner wall of the hollowed-out position of the cabinet body respectively, and the first air cooling installation part comprises a heat shield, a wind shield, a wind deflector, an installation plate and a positioning plate; corresponding positioning holes are further formed in the positions, on the outer side of the mounting plate, of the top of the cabinet body, the positioning holes are used for mounting an external storage battery, the heat insulation cover is used for sealing the first air cooling mounting part and the positioning holes in a surrounding mode, and the second air cooling mounting part is an outer plate fixed to the side end of the cabinet body and communicated with the interior of the cabinet body.

This application relates to the field of flexible plate testing technology, and in particular to a flexible plate testing device, including a fixed plate, a sliding plate, a follower plate, and a driving mechanism. The top surface of the fixed plate is suitable for connection to one end of the flexible plate. The top surface of the follower plate, at the end away from the sliding plate, is suitable for connection to the other end of the flexible plate. The driving mechanism is connected to the sliding plate and is used to drive the sliding plate to perform linear reciprocating motion, thereby driving the follower plate to perform linear reciprocating motion. During this process, the position of the crease in the middle of the flexible plate continuously changes. The fixed plate, sliding plate, and follower plate cooperate with each other to realistically simulate the bending and stretching states of the flexible plate in actual use. The gap between the top surface of the fixed plate and the bottom surface of the follower plate can be adjusted according to the thickness and bending radius of the flexible plate being measured to meet the testing requirements of various working conditions, greatly improving versatility.

This utility model belongs to the field of battery formation equipment technology, specifically relating to a carrier for battery formation equipment. It includes a body and a top cover magnetically connected to the body. The body has a battery accommodating cavity, a test probe assembly located at the edge of the battery accommodating cavity, and a PCB adapter board connected to the test probe assembly. The PCB adapter board is located on the side of the body. Compared to existing technologies, this utility model, through ingenious structural design, makes the carrier a detachable structure of body and top cover, with the two magnetically connected. This simplifies the operation when placing the battery into the carrier, and the overall structure has low cost. It also allows for easy switching between different battery types when needed for formation.

The application provides a multi-frequency antenna remote controller, which comprises a shell, a cavity in the shell, an external antenna assembly arranged on the top of the shell, an internal antenna assembly arranged on the top of the cavity, and a picture transmission PCB arranged in the cavity and connected with the external antenna assembly and the internal antenna assembly through feed lines, wherein the external antenna assembly and the internal antenna assembly have different transmitting frequency bands. The external antenna shared by 1.4G / 2.4G frequency bands and the internal antenna of the 5G frequency band are arranged, so that when the signal of a certain frequency band is lost, communication can be switched to another frequency band, and the remote controller is not easily interfered. In addition, the structure of the external antenna and the internal antenna is simple, so that the structural cost is reduced, and the remote controller is more beautiful.

The camera cleaning device provided by the embodiment of the application can utilize the reciprocating swing of the rear rain wiper motor to provide driving force for the driving cam, and convert the rotary driving force into reciprocating linear motion of the transmission member through the special-shaped side surface of the driving cam, so that the transmission member can drive the cleaning assembly to clean the rear camera reciprocatingly. Therefore, the camera cleaning device can clean the rear camera through a pure mechanical structure without integrating a power source, so that the structural complexity and cost of the camera cleaning device can be greatly reduced.

The utility model discloses a kind of integrated evaporation crystallization systems suitable for potassium sulfate fractional salt, belong to high-efficiency energy-saving industrial technology field.The system includes the preheating unit, evaporation crystallization unit, crystal slurry processing unit and salt washing refining unit connected in turn, and after two-stage preheating of condensate preheater and non-condensing steam preheater, into forced evaporator, after heating, send into integrated crystallizer evaporation crystallization;Integrated crystallizer is equipped with discharging salt leg and bottom heat exchanger evaporator, respectively equipped with salt leg crystal slurry outlet and bottom crystal slurry outlet, both are jointly connected crystal slurry discharge pump;Crystal slurry is thick after thickening tank thickening and enters centrifuge separation, mother liquor returns system circulation, solid phase enters salt washing storage tank;Unique is, using preheated fresh feed to wash potassium sulfate crystal after centrifugation, after washing, crystal slurry is treated by salt washing thickening tank and three-in-one filter to obtain high-purity product.The system can be long-term stable operation with low energy consumption and high product purity.

The multi-stage baffle drainage drop well system comprises a protection wall and a drop well, a branch pipe water inlet is located in the drop well, the bottom of the drop well is connected with an upstream main pipe and a downstream main pipe, and a first-stage baffle, a second-stage baffle and a third-stage baffle are sequentially arranged below the branch pipe water inlet from high to low. The first-stage baffle plate, the second-stage baffle plate and the third-stage baffle plate are inclined upwards at an included angle of 39-42 degrees with the horizontal plane; a first notch is formed in the end, away from the branch pipe water inlet, of the first-stage baffle, a third notch is formed in the position, under the branch pipe water inlet, of the third-stage baffle, a second notch is formed in the second-stage baffle, and the second notch does not coincide with the first notch and the third notch in the vertical projection direction. Direct flushing of flowing water to the drop well can be effectively relieved through the multiple stages of baffles, water flow flowing out of the water inlets of the branch pipes is prevented from directly flushing the drop well, objects directly flushed by the water flow are converted into the baffles, the drainage effect is achieved between the drop well and the baffles, and the service life of the drop well is prolonged.

The utility model discloses a device of galvanizing line switches to annealing line is provided with first auxiliary deflector and second auxiliary deflector between zinc pot and furnace nose, first auxiliary deflector and second auxiliary deflector are started when needing switching, and the strip steel of original galvanizing line is directly conveyed to furnace nose through the deflection effect of first auxiliary deflector and second auxiliary deflector, and switches to annealing line through the export end of furnace nose, the utility model discloses the path of strip steel from zinc pot becomes not through zinc pot, and directly switches from the position of auxiliary deflector, realizes the efficient switching effect of galvanizing line to annealing line, and the switching device structure provided by the application is low in cost and very convenient to operate, and is very suitable as the tool of switching from original continuous galvanizing line to continuous annealing line in the steel band mixed production line of galvanizing line and continuous annealing line.

This utility model discloses a two-speed structure for a pure electric transmission and an electric vehicle in the field of electric vehicle transmission technology. It includes a planetary gear train, an input shaft, an intermediate shaft, a one-way clutch, a shift clutch, a first-speed drive gear, a second-speed drive gear, a first-speed driven gear, and a second-speed driven gear. The planetary gear train is connected to the input shaft. The one-way clutch is installed between the input shaft and the first-speed drive gear. The first-speed driven gear and the second-speed driven gear are installed on the intermediate shaft, and the first-speed driven gear meshes with the first-speed drive gear. The shift clutch is installed on the input shaft, and the second-speed drive gear is loosely fitted on the input shaft and connected to the shift clutch. The second-speed driven gear meshes with the second-speed drive gear. This utility model uses a combination of a planetary gear train and a parallel shaft system to achieve a wide range of adjustable speed ratios, broad vehicle adaptability, reduced structural costs, and improved efficiency.

This utility model discloses an economical arc-shaped track structure for shower rooms, including a track body with an arc-shaped structure. The outer wall of the track body has an arc surface, and the inner side of the track body has a groove and a support groove for installing the shower room door frame. A lubrication groove for installing lubricating components is provided at the top of the groove. Installation components are provided at both ends inside the track body. This utility model has a simple structure, with installation components located at both ends of the track body. Compared with traditional structures, it saves on the installation components integrally formed inside the track body. The groove and support groove, combined with the lubrication groove and lubricating components, ensure that the shower room door frame is both stable and smoothly slides out after installation, eliminating the need for clamps to install the shower room door frame, saving significant structural costs, and effectively restoring the function of existing tracks, truly achieving an economical improvement.

The utility model discloses a kind of PE corrugated pipe rapid forming device, belong to forming equipment technical field, including forming device main body, the upper end of forming device main body is provided with cooling assembly, another end above forming device main body is provided with drying assembly, the upper of drying assembly is provided with dust screen, the upper end of forming device main body is provided with horizontal movement component, drying assembly and the connecting portion of dust screen are provided with convenient dismounting component, the upper end of horizontal movement component is provided with clamping component, the utility model is provided with convenient dismounting component, can conveniently dismount dust screen, clean or replace to dust screen, the structure is convenient to use, can quickly dismount dust screen, and by ejector assembly, after being convenient to remove the limiting of dust screen, it can be ejected, the utility model is provided with clamping component, can conveniently hold corrugated pipe, and structure cost is low.

The invention discloses a single-layer latticed shell structure joint suitable for cold-formed thin-walled steel with a C-shaped section, and belongs to the technical field of steel structure engineering. The single-layer latticed shell structure node comprises a connecting node and a C-shaped steel combined component connected to the outer side of the connecting node, the connecting node is formed by connecting a center hub body and connecting pieces, the center hub body is of a hollow prism structure, and the outer side wall of each prism face of the center hub body is connected with one connecting piece; the connecting piece is formed by vertically connecting the middle of an upper flange plate and the middle of a lower flange plate through a web plate, the web plate comprises a middle web plate and two side web plates, and the two side web plates are connected to the two side faces of the middle web plate in an opening shape in the horizontal direction; the C-shaped steel combined component is formed by connecting three C-shaped components in a triangular mode, and the C-shaped components are connected to the two side webs on the connecting piece. Through the design of the connecting pieces and the C-shaped steel combined members, the force transmission path of the latticed shell structure is changed, and the overall performance of the latticed shell structure is enhanced.

The application discloses a milk frother for making delicate milk froth and relates to the technical field of milk frothing equipment. The milk frother comprises a milk froth generating system and an independent cleaning system. The milk froth generating system comprises a first three-way pipe fitting, a milk pump, a first heater and a multi-way switching valve assembly. The independent cleaning system comprises a second heater and a shunt structure of the multi-way switching valve assembly. In the cleaning mode, the high-temperature cleaning water output by the second heater is divided into a forward water flow and a reverse water flow. The forward water flow cleanses the milk pipeline. The reverse water flow flows reversely through the first heater, a filter joint and the milk pump in sequence and is finally discharged by a blow-off branch. The application realizes active aortic pulse air intake double frothing. By means of a double independent heating and bidirectional reverse flow cleaning architecture, the problems of pipeline dead angle milk scale residue and water-milk cross contamination are effectively solved.

The invention relates to the technical field of optical fiber communication, and discloses a method and a system for simultaneously realizing optical multipath interference positioning and photo-generated millimeter wave, comprising the following steps: fusing a transmitting end communication signal and a linear frequency modulation carrier to generate a communication-inductance integrated signal, and using a single laser source as the optical signal input of an IQ modulator, the IQ modulator converts the sensing integrated signal into an optical signal and transmits the optical signal through an optical fiber link; generating a mixed optical signal comprising the optical signal and a multipath interference reflected optical signal in the optical fiber link when multipath interference exists; an electric signal containing a millimeter wave communication signal and a multi-path interference sensing signal is extracted through a photoelectric detector, the time delay of a multi-path interference reflection light signal is determined based on frequency characteristics, and a multi-path interference damage node is positioned according to the time delay of the multi-path interference reflection light signal. According to the invention, the line width requirement, the structural complexity and the cost can be reduced, and accurate positioning of optical multipath interference is realized while millimeter waves are generated.

The invention relates to a steel module building based on a light steel structure and a mounting method thereof, belongs to the technical field of module buildings, and solves the problems of multiple beams, multiple columns and double plates and double walls of a steel module building in the prior art. The steel module building based on the light steel structure comprises a plurality of light steel box body module units, the light steel box body module units are arranged in multiple layers and multiple rows, every two adjacent light steel box body module units on the same layer share one wallboard, and every two adjacent light steel box body module units on the upper layer and the lower layer share one floor slab. The light steel box body module units share the wall plates and the floor plates at the splicing positions to form a single-plate and single-wall splicing structure instead of a multi-beam, multi-column and double-plate and double-wall splicing structure, the steel consumption of a steel module building is remarkably reduced, and the structural cost is reduced.

The utility model discloses a precision bearing manufacturing grinding machining table which comprises a concentric-square-shaped frame, two clamping blocks symmetrically installed at the top end of the concentric-square-shaped frame in a sliding mode, a horizontal plate installed on the left outer wall and the right outer wall of the concentric-square-shaped frame in a sliding mode and a rotating shaft installed at the bottom of the concentric-square-shaped frame below the horizontal plate in a rotating mode. The bottom end of the clamping block extends into the concentric-square-shaped frame and is fixedly connected with the top end of the lying plate, and a connecting rod opposite-pushing structure used for driving the clamping block and the lying plate to slide in the X-axis direction is installed at the top end of the rotating shaft. A bearing workpiece to be machined is placed between the two clamping blocks, the gear motor drives the rotating shaft to synchronously and reversely rotate through the two fluted discs, and then the clamping blocks are driven to move through the connecting rod opposite-pushing structure till the two clamping blocks are close to each other and clamp the bearing workpiece.

The invention discloses an underwater buried target electrical imaging method, and belongs to the field of underwater buried target detection imaging. The method comprises the following steps: firstly, preparing a detection device which comprises two rows of receiving and generating electrodes, then obtaining an array flow pattern and a flow pattern matrix, and then carrying out matrix scanning on a detection area where a buried target object is located by using the detection device to obtain a received signal matrix; and then obtaining a target width value and a position corresponding to each row of the received signal matrix through spatial spectrum estimation and sliding window scanning, and finally performing inversion imaging based on the width values and the positions. According to the invention, a virtual electrode array is formed based on two pairs of mobile receiving and generating electrodes, and the system has the advantages of low system complexity, low cost, high imaging speed, high accuracy and the like.

This application relates to the field of robotics, specifically to a leg structure for a robot and the robot itself. The leg structure for the robot includes: a thigh rod, comprising a power unit, a first gear, a second gear, a third gear, and a rocker arm; the first gear is fixedly mounted on the output end of the power unit; the second gear meshes with the first gear, and the third gear meshes with the second gear; the rocker arm is relatively fixed to and coaxially rotates with the third gear, the pitch circle diameter of the third gear being larger than that of the first gear; a pull rod, including a first end and a second end, the first end of the pull rod being connected to the rocker arm; and a lower leg rod, including a first connecting portion and a second connecting portion, the lower leg rod being rotatably connected to the thigh rod through the first connecting portion, the second connecting portion being connected to the second end of the pull rod, and the first connecting portion and the second connecting portion being spaced apart. By using a multi-gear structure instead of a reducer structure, the range of motion of the lower leg rod relative to the thigh rod is increased, and the leg structure is low-cost and compact.

The utility model relates to the field of seat ventilation, in particular to a novel seat air suction system which comprises a foaming part, a sealing plate and a fan, a ventilation groove is formed in the B face of the foaming part, a through ventilation hole is formed in the groove bottom of the ventilation groove, the sealing plate is connected with the foaming part and covers the ventilation groove, the sealing plate is provided with a ventilation opening, and the fan is connected to the ventilation opening. The sealing plate can comprise a felt plate and a fixing plate, the fan is connected with the sealing plate through rubber nails, the fan further comprises a machine shell, a connecting block, a clamping block and other structures, and the fan can be a vortex fan or a butterfly fan. The technical effects that effective air suction is achieved through reasonable structural design, and the seat ventilation effect is optimized are achieved.

The utility model provides a multidimensional shock absorption anti-caving suspended ceiling structure which comprises a main keel, an auxiliary keel, a gypsum board, channel steel and vertical suspenders, a main keel body is connected with the top of a wall through the vertical suspenders, and the two ends of the main keel are connected with the center of the concave face of the channel steel through springs. The channel steel is fixedly installed on the wall body corresponding to the two ends of the main keel through expansion screws, the bottom face of the main keel is connected with the gypsum board through the auxiliary keel, and plastic grooves are formed in the wall body corresponding to the two ends of the gypsum board. On the basis of a traditional vertical suspender, the inclined suspender is additionally arranged, the large-amplitude shaking of the suspended ceiling under the earthquake is limited, energy is absorbed and dissipated through the spring, the soft steel sheet and the foam material, the stability of the suspended ceiling structure in the earthquake can be guaranteed, and then the suspended ceiling is prevented from being damaged.

The utility model relates to a lens dustproof structure of laser projector, including the shell that has the through -hole of front end setup, set up in the optical machine module lens in the shell still include lens ornament ring, first dustproof bubble cotton, lens support and second dustproof bubble cotton, the lens ornament ring sets up in the through -hole, the lens support sets up in the shell and is located lens ornament ring rear, first dustproof bubble cotton sets up between the front end of lens support and the rear end of lens ornament ring, the optical machine module lens is located lens support rear side, second dustproof bubble cotton sets up between optical machine module lens front end and lens support rear end, and second dustproof bubble cotton has precompression amount. The utility model structure design simple and ingenious, can guarantee and the outside is isolated to reach dustproof effect when the optical machine lens module telescopes forward or backward, production assembly simple, easy operation, structure cost is low, very suitable for popularization and application.

The application discloses a door cover lock module and a washing machine. The door cover lock module comprises a shell with a containing cavity, a bottom with a first opening; a locking piece rotatably installed in the containing cavity, the locking piece comprising a lock hook, the locking piece having a sliding groove; an elastic pressing piece, one end of which is arranged in the containing cavity, the other end of which is slidably arranged in the sliding groove, used for receiving the downward force of the top of the shell to press the locking piece, the sliding in the sliding groove being converted into the driving force for rotating the locking piece, the rotation of the locking piece locking the locking piece in the rotating direction after the lock hook extends out of the first opening to the outside of the shell; a pressing piece, one end of which is fixed to the top of the shell, the other end of which is extended and arranged in the shell to press the upper part of the elastic pressing piece, so that the other end of the elastic pressing piece is located in the sliding groove. The pressing piece of the application presses the elastic pressing piece to rotate in the sliding groove, thereby locking the door cover, and preventing the other end of the elastic pressing piece from being separated from the sliding groove, so as to guarantee the normal use of the door cover lock module.