158results about How to "Large adjustment range" patented technology

The invention discloses a pallet protection corner automatic putting machine. The pallet protection corner automatic putting machine comprises a top protection corner putting combination machine and aside face protection corner putting combination machine; the top protection corner putting combination machine comprises a bottom circulation base and a pair of top protection corner single machines,the side face protection corner putting combination machine comprises a bottom fixed base and four side face protection corner single machines, the top face protection corner single machines are provided with electrical control parts, top protection corner containing grooves, limiting mechanisms, and top protection corner mounting claws, the top protection corner mounting claws grab protection corners in the top protection corner containing grooves, and put the protection corners on four edges of the top of a packaging box, each side face protection corner single machine comprises a second electrical control part, a side protection corner containing groove, and a side protection corner mounting claw, and the side protection corner mounting claws grab the protection corners in the side protection corner mounting grooves and put the protection corners on the four sides of the side face of the packaging box. The pallet protection corner automatic putting machine is reasonable in layout,smooth in operation, high in adaptation, automatic in full process, free of artificial duty and capable of greatly improving protection corner putting and threading packaging capacity.

The application discloses a display device, comprising a display device and a camera device, the camera device is fixed to the display device, the camera device comprises a rotating support and a camera module, a mounting piece of the rotating support is fixed on the back surface, one end of a first rotating piece of the rotating support is hinged to the mounting piece, one end of a second rotating piece of the rotating support is hinged to the other end of the first rotating piece. The camera module is hinged to the other end of the second rotating piece, and the camera module is configured to move relative to the mounting piece under the rotation of the rotating support. The two ends of the first rotating piece and the second rotating piece hinged to each other are provided with avoiding structures, the avoiding structures are configured to avoid the relative rotation of the first rotating piece and the second rotating piece, so that the angle of the relative rotation of the second rotating piece and the first rotating piece is not less than 180°. The display device of the application can make the adjustable range of the camera device relative to the display device larger, and then adapt to display devices of various thickness sizes.

This invention proposes an active energy storage type multi-winding transformer-type adjustable reactor and its control method, belonging to the technical field of power electronics and flexible AC transmission and distribution systems. It includes a multi-winding transformer, whose primary winding is electrically connected to the AC power grid; at least one set of thyristor hierarchical switching circuits, which are connected in series with the corresponding thyristor-switching windings on the secondary side of the multi-winding transformer; the AC side of a PWM inverter control circuit is electrically connected to one of the active control windings on the secondary side of the multi-winding transformer; an energy storage module is connected in parallel on the DC side of the PWM inverter control circuit to inject a compensation current containing reactive and active components into the active control winding, thereby achieving continuous fine-tuning of the equivalent reactance value and active power exchange with the AC power grid. This invention can be applied as a multifunctional power electronic device in fields such as smart grids, new energy transmission and distribution, and comprehensive power quality management.

The utility model discloses a double-sided fly cutter which is composed of a large cutter head handle, a double-sided fly cutter head and a cutter head. The whole double-sided fly-cutter disc is of a disc-shaped structure, the upper face and the lower face of the double-sided fly-cutter disc are each provided with a set of cutter grooves, and a reserved hole is formed in the middle of the double-sided fly-cutter disc along the axis position. A mounting table is arranged on the face, in butt joint with the large cutter head handle, of the double-face fly cutter head, a mounting hole is formed in the mounting table, and an arc-shaped edge is arranged at the joint of the mounting table and the reserved hole. A boss matched with the mounting table and the arc-shaped edge is arranged at the top of the large cutter head handle, a threaded hole matched with the mounting hole is formed in the boss, and the double-sided fly cutter head is fixedly arranged on the large cutter head handle through a screw; the tool bit is fixedly arranged in the tool groove through the pressing block. The mounting table is arranged on the double-sided fly-cutter head, the mounting table is connected with the large cutter head handle, and the reserved hole in the center of the double-sided fly-cutter head is vacated for mounting and adjusting the cutter head, so that the adjusting range of the cutter head is larger, and the cutter head is suitable for more workpieces.

The invention discloses a device and a method for adjusting PLL (Phase Locked Loop) loop bandwidth based on VCO (Voltage Controlled Oscillator) working voltage. The device comprises a phase frequency detector, a digital filter, a digital oscillator and a frequency divider, the phase frequency detector is used for comparing the input signal with the output signal to obtain an error signal; the digital filter is used for processing the error signal; the digital filter comprises a proportional path; the digital oscillator is used for generating an output signal based on the processed error signal; the digital oscillator comprises a switch variable capacitor array; the switch variable capacitor array is used for adjusting the working voltage of the digital oscillator based on the error signal; the proportion path is directly connected with the phase frequency detector and the switch variable capacitor array; the frequency divider is used for carrying out frequency division on the output signal and feeding back the output signal to the phase frequency detector; by modifying the gain coefficient of the proportional path in the phase-locked loop, the adjustment of the loop bandwidth is realized, and the adjustment flexibility is improved.

The invention discloses an air path system for an air suspension and a vehicle. The air path system comprises an exhaust port, an air inlet and an air outlet, the main gas pipeline is provided with a connecting port connected with an air suspension; the air compression module is used for compressing air, and the air compression module is connected with the main gas pipeline so as to convey gas to the main gas pipeline; the first control valve is connected with the main gas pipeline, and the main gas pipeline can be communicated with the exhaust port through the first control valve in the exhaust state; the second control valve is connected with a main gas pipeline, a first throttling element is arranged between the second control valve and the exhaust port, the second control valve is connected with the first control valve, and the first control valve is configured in a way that when the second control valve is switched to enable the main gas pipeline to be communicated with the first throttling element, the first throttling element is switched to be communicated with the exhaust port; the first control valve can be driven to be switched to the exhaust state through gas of the second control valve. According to the air path system provided by the invention, the air spring not only can exhaust air through the first control valve, but also can exhaust air through the second control valve and the first throttling element, so that the exhaust residual pressure in the air spring is effectively reduced.

This utility model relates to the field of hoisting device technology, specifically to a wire rope hoisting adjustment mechanism and a pulley hoisting device, including a frame, mounting bases, and an adjustment device. Two mounting bases are provided, each movably mounted on the frame. Each mounting base has a first support and a second support below it. The first support is fixedly connected to the mounting base, and a first pulley and a second pulley are rotatably mounted on the first and second supports respectively. The first and second pulleys are connected by a wire rope, and a hook is provided on the second support. The adjustment device is mounted on the frame and is used to drive the two mounting bases to move in opposite directions at the same speed. This utility model achieves flexible adjustment of the hoisting position and maintains hoisting balance, solving the technical problems of inconvenient adjustment and difficulty in simultaneously adjusting the positions of two hoisting points in traditional hoisting mechanisms, leading to easy tilting and poor stability of the hoisted object.

This invention discloses an electromagnetic control valve for a diesel engine lubrication system, relating to the field of electromagnetic valves. The invention features a simple structure. By adjusting the fit between the components of the electromagnetic control valve, an oil drain port is provided at the front end of the valve sleeve, and two annular grooves are provided on the circumference, forming a first oil outlet and a second oil outlet at the second annular groove. Simultaneously, the dimensions of the two oil outlets are adjusted so that the amount of lubricating oil discharged from the oil pump regulating chamber through the second oil outlet is greater than the amount of lubricating oil flowing into the oil pump regulating chamber from the oil inlet through the first oil outlet. Compared to existing electromagnetic hydraulic control valves, this invention offers a wider range of hydraulic oil quantity adjustment, higher precision, and more sensitive response. Even when the electromagnetic valve fails due to power loss, it can still automatically open under oil pressure to adjust the oil pump output.

The application provides a nonlinear current generating circuit, a chip and an electronic device. The nonlinear current generating circuit comprises: a direct current module configured to output an initial direct current; an impedance enhancement module; and a transconductance linear module comprising a first transistor, wherein the impedance enhancement module is connected with the first transistor, the impedance enhancement module is configured to equivalently increase the output resistance of the first transistor, and the transconductance linear module is configured to nonlinearly transform the initial direct current under the power supply of a power supply voltage and output a nonlinear current. The nonlinear current generating circuit provided by the application comprises the impedance enhancement module, the impedance enhancement module can equivalently increase the output resistance of the first transistor in the transconductance linear module, so that the influence of the fluctuation of the power supply voltage on the nonlinear current is reduced, and then the nonlinear power supply circuit is suitable for a wider power supply voltage scene, is less affected by the parameters of the transistor device itself, and has a larger adjustment range.

This utility model discloses a high-temperature acid gas venturi scrubbing tower for acidification kilns, belonging to the technical field of acidification kiln scrubbing towers, mainly used for scrubbing high-temperature acid gas discharged from acidification kilns. The technical problem to be solved by this utility model is to provide a high-temperature acid gas venturi scrubbing tower for acidification kilns, including a tower body connected to the tail gas pipe and a gas-liquid separation device of the acidification kiln. A throat pipe is provided inside the tower body, and a throat pipe adjusting device is provided at the bottom of the tower body. The throat pipe adjusting device includes a cylinder with one end penetrating through the tower body and extending into the tower body. A mounting platform with a sealed connection to the tower body is provided around the circumference of the cylinder body. A linear transmission mechanism is provided inside the cylinder body, and an adjusting rod is fixedly connected to the movable end of the linear transmission mechanism to drive the adjusting rod to move up and down along the length of the cylinder body. The adjusting rod is provided with an adjusting plug for controlling the size of the throat pipe opening. By driving the adjusting rod through the linear transmission mechanism, the adjusting stroke of the adjusting rod is increased, the adjusting range is expanded, high-temperature acidic dust-laden gas is treated in a timely manner, and the jetting phenomenon at the outlet tail gas hood is reduced.

The present application relates to compressed air purification technology, and aims to provide a compressed air purification method capable of recycling compressed waste heat and adjusting regenerated gas. The method comprises the following steps: the hot compressed air at the outlet of the oil-free air compressor exchanges heat with the regenerated gas in a waste heat recycling heat exchanger, and is sent to a purifier after being cooled by a cooler and a pre-cooling machine; the purifier keeps the double-tower inlet gas adsorption and regeneration desorption alternately running; the regenerated gas to be heated is introduced into the waste heat recycling heat exchanger for preheating, and is further heated by a proportional regulating valve into an electric heater, and the high-temperature regenerated gas is used for regeneration desorption; in the process, the flow of the regenerated gas is adjusted by the proportional regulating valve, and the CO2 concentration monitor is used to ensure that the predetermined control target is met. The present application fundamentally solves the key problems in the traditional technology, such as poor regeneration gas regulation, high consumption of regenerated gas, and insufficient utilization of the compressed heat of the oil-free air compressor, and fundamentally greatly expands the practicability and universality of the purification process in different industries.

The utility model discloses a kind of T-shaped rigid scraping device of gear hobbing machine, comprising: the connecting seat of installation on gear hobbing machine, rotatable and the vertical column of up and down motion is installed on the connecting seat, the horizontal installation of vertical column end portion has tool holder, the position of tool body can be adjusted by setting adjustable vertical column, rely on the screw hole reserved on machine tool, through the mutual combination of connecting seat, vertical column, tool holder and tool body and other 4 kinds of simple parts, through adjusting vertical column up and down and rotation, and the front and rear movement of tool body and other actions, gear part end face produced by burr can be scraped clean quickly. The vertical column of the utility model mechanism and tool body seat, tool body are simple in processing, light in weight, convenient to adjust, and the adjustment range is larger, so that the applicability of the device is wider, and the cost is reduced.

The application discloses a compression-torsion coupling mechanism and a phononic crystal damping device with adjustable band gap, and belongs to the technical field of phononic crystal damping. The compression-torsion coupling mechanism comprises two plastic elastic plates arranged oppositely, the two plastic elastic plates are connected through a plurality of connecting rods, the connecting rods are connected with the corresponding plastic elastic plates through spherical hinges at two ends, electromagnetic coils are arranged on opposite surfaces of the two plastic elastic plates, the two electromagnetic coils are respectively connected with power supplies, and holes matched with tubular target structures are arranged on the plastic elastic plates. The phononic crystal damping device with adjustable band gap comprises a plurality of sleeves, the plurality of sleeves are used for being regularly and intervalled on the tubular target structure, at least one compression-torsion coupling mechanism is arranged between the two sleeves, the compression-torsion coupling mechanism is convenient to design and manufacture, the installation spacing of the phononic crystal damping unit can be changed through remote and reversible electromagnetic driving, and therefore the effect of adjustable band gap is achieved, and the operation is simple.

The application provides a multistage composite microporous membrane electrode and a preparation method and water treatment and purification method thereof. The multistage composite microporous membrane electrode comprises an inorganic ceramic microfiltration membrane, an anode electrocatalytic active layer and a cathode electrocatalytic active layer; the anode electrocatalytic active layer and the cathode electrocatalytic active layer are respectively located on the two sides of the surface of the inorganic ceramic microfiltration membrane; the thickness of the inorganic ceramic microfiltration membrane is 2-6 mm, the thickness of the anode electrocatalytic active layer is 100-800 nm, and the thickness of the cathode electrocatalytic active layer is 1 micrometer-1 mm; the inner wall of the pore of the inorganic ceramic microfiltration membrane is loaded with silicon zeolite nanocrystals; and the particle size of the silicon zeolite nanocrystals is 50-200 nm. When the multistage composite microporous membrane electrode is used for water treatment and purification, oxygen molecules can be efficiently enriched in micropores, the conversion efficiency of hydroxyl radicals is improved, and the efficient removal of refractory organic matter is realized.

The utility model relates to processing equipment technical field discloses a double -position double welding robot workstation, including workstation platform, the bottom surface all around of workstation platform is embedded with support stake, the workstation platform includes pedestal platform, one end of pedestal platform is connected with the central shaft motor, the both sides distribution of central shaft motor has side motor, the top surface middle part of pedestal platform is equipped with the side slide groove of middle slide groove. The utility model discloses through two groups of symmetric distribution's middle slide groove and the same distribution's side slide groove of both sides to the welding robot and the position of the interface platform control, can form the position adjustment in the welding process through the sliding block platform of welding robot bottom end and screw rod transmission cooperation, and the side slide groove of both sides can also cooperate screw rod and drive side slide block and interface platform transmission adjustment spacing, thereby the tooling component of different size length is adapted, and the overall platform is adjustable range big and stable in structure, and the welding point adjustable control property in welding process is improved.

The application discloses a kind of carbon dioxide geological storage in situ condition wellbore sealing evaluation device and method, including corrosion wellbore test module, carbon dioxide displacement module, gas channeling simulation module, wellbore temperature and pressure control module and formation temperature and pressure control module, corrosion wellbore test module includes wellbore combination and test shell, wellbore combination is worn in test shell, and the top end between wellbore combination and the top end of test shell and the bottom end between wellbore combination and the bottom end of test shell form closed cavity, the top end of test shell is equipped with gas flowmeter, and test shell is sequentially provided with confining pressure bin and heating bin along the radial direction away from wellbore combination, the lithology-temperature-pressure-carbonic acid environment in the carbon dioxide geological storage process can be simulated by the application, the sealing capacity under the in situ service condition of evaluation wellbore is realized, to play the purpose of optimizing cement slurry formulation, optimizing casing material, reducing carbon dioxide leakage risk.

This utility model discloses an armrest box structure and engineering machinery, including an upper support assembly and a lower support assembly. The upper support assembly includes a handrest pad assembly, a first slide rail, and a support arranged sequentially from top to bottom. The first slide rail is arranged horizontally and connects the handrest pad assembly and the support. The handrest pad assembly can slide and lock relative to the support in the front-back direction. The lower support assembly includes a fixed seat distributed along the left and right sides, a second slide rail, and a support. The second slide rail is arranged vertically and connects the fixed seat and the support. The support can slide and lock relative to the fixed seat in the vertical direction. A support plate is fixedly installed on the upper part of the support. The rear end of the support is hinged to the support plate through a first pin, and the first pin extends axially along the left and right sides. This utility model can realize front-back, up-down, and flip-up adjustable functions, is simple to operate, and has a large adjustment range.

The utility model relates to ancient building fire extinguishing device technical field especially for a kind of ancient building concealed type spray fire extinguishing device, including decoration component, water supply component and spray component, the inside of decoration component is equipped with water supply component, water supply component includes the limit shell in the upper side groove of mounting seat and is fixedly connected with mounting seat, the inside front half portion of limit shell is rotatably connected with click shaft, in the utility model, through the shunt box, water delivery box, shunt pipe, spray pipe, spray nozzle being set, the device can be rotated shunt box cooperation water delivery box and carry out water delivery, water is shunted by rotatable spray pipe cooperation shunt pipe, spray nozzle is carried out and is sprayed to extinguish fire, simultaneously by rotatable shunt pipe driving spray pipe and spray nozzle rotation, to carry out greater range of spray fire extinguishing, the spray structure of the device has greater adjustment range, has better fire extinguishing effect and greater effective coverage.

This invention discloses a general fast modulation method for a VIENNA rectifier, comprising: 1) establishing a mathematical model of nine switches based on the mathematical model of the VIENNA rectifier, obtaining the equality constraints between the duty cycle of the nine switches and the modulation wave; 2) establishing two equations satisfying the control voltage constraint through newly defined variables, and providing a general solution satisfying the equality constraint conditions; 3) obtaining six states based on the different directions of the three-phase current; obtaining inequality constraints under different states based on these six states; and obtaining the upper and lower limits of the free variables based on the inequality constraints under the six states; 4) solving for the compensation amount for neutral point potential balance control starting from the control equation for the capacitor neutral point potential control of the VIENNA rectifier. The modulation model and solution process of the VIENNA rectifier disclosed in this invention have a small computational workload, significantly reducing the computation time compared to the SVPWM modulation technology of three-level converters.

The utility model discloses an electrical control cabinet sound light alarm device belongs to sound light alarm device technical field, solve the existing technology in electrical control cabinet exists when being blocked and placing, because sound light alarm device is fixed on the specified position of electrical control cabinet top surface through bolt, thereby easy cause the installation position of sound light alarm device is not good, influence warning effect's problem. The utility model discloses a control cabinet is set up in the sound light alarm device of control cabinet and the control center module in control cabinet is connected, its characterized in that: the top surface of control cabinet is provided with at least one end opening's inverted T type sliding slot, and the inverted T type sliding block of sliding setting on inverted T type sliding slot, and the column type rotation limit slot of setting on inverted T type sliding block, and the bottom of sound light alarm device is provided with one and the inverted T type rotating block of column type rotation limit slot rotation cooperation. The utility model discloses be used for the sound light alarm of electrical control cabinet temperature when being too high.

The utility model discloses an impact crusher. The impact crusher comprises a T-shaped plate hammer and a plate hammer fixing device, the T-shaped plate hammer comprises a plate hammer head, a plate hammer rod and a plate hammer seat; the width of the cross section of the plate hammer head is greater than that of the plate hammer rod; the plate hammer seat is trapezoidal and has a narrow upper part and a wide lower part; the plate hammer fixing device comprises a trapezoidal groove which is formed in the rotor and is used for placing a plate hammer seat; a screw hole is formed in the bottom face of the trapezoidal groove and connected with a fastening bolt, and the fastening bolt makes contact with the bottom of the plate hammer base so as to fix the plate hammer. The device is high in use efficiency, and the use cost can be reduced.

The invention relates to the technical field of pipe contracting machines, and discloses a straightening structure of a large pipe contracting machine and the large pipe contracting machine using the straightening structure. The straightening structure comprises a bottom plate, two adjusting assemblies, two supporting assemblies and a plurality of positioning assemblies; a first sliding groove, a second sliding groove, a third sliding groove and a fourth sliding groove are formed in the side face of the bottom plate, the two supporting assemblies are used for supporting the bottom plate, a straight-through hole is formed in the middle of the bottom plate and used for keeping away from a machined pipe fitting, and the multiple positioning assemblies are arranged in the circumferential direction of the straight-through hole at equal intervals. The first sliding groove, the second sliding groove, the third sliding groove and the fourth sliding groove are formed in the periphery of the bottom plate and matched with the two active adjusting assemblies and the two elastic supporting assemblies, an adjusting matrix with the self-locking and dynamic balancing capacity is constructed, and the problem that in the diameter reducing process of large pipes, due to the dead weight or machining deviation, the axial lead deviates is solved.

The utility model relates to a steering column which is small and exquisite in structure and capable of achieving long-stroke adjustment. The outer column pipe is arranged in the support and connected with the support, a long sliding hole is formed in the support, the length adjusting motor is fixed to the support through a bolt, an output shaft of the length adjusting motor is connected with the lead screw, the lead screw is sleeved with the first adjusting nut and the second adjusting nut, the first adjusting nut is fixedly connected with the outer column pipe through a first connecting frame, and the second adjusting nut is fixedly connected with the second column pipe through a second connecting frame. The first adjusting nut is connected with the inner column pipe through a first connecting frame, a first sliding block is installed on the first connecting frame and slides in a long sliding hole of the support, the second adjusting nut is connected with the inner column pipe through a second connecting frame, and a second sliding block is installed on the second connecting frame and slides in a long sliding hole of the outer column pipe. The two nuts achieve synchronous transmission and are connected with different components respectively, constant-speed transmission of the two components is achieved, half of the adjusting stroke is used, and the target adjusting range is achieved.

The application discloses a kind of auxiliary welding excitation power supply and control method, including rectifier module, PFC module, LLC module, SR module and modulation module, the new circuit topology structure and control method are used in the present application, the limitation of traditional equipment is effectively avoided, integrates direct current, alternating current and other output functions on a set of equipment, and the frequency regulation range is wider, the device volume is smaller, and can be applied to more welding scene;Meanwhile, the present application adopts the mode of PFC+LLC+SR combination, reduces reactive power and power switch tube switching loss, improves power quality;The device only needs to set up preset target power function expression in advance, and the output control can be automatically completed using the control method of the present application, and the communication interface can be opened to realize online adjustment.

The application provides a magnetorheological brake with different working modes in positive and reverse rotation, comprising a mounting shell, a braking structure and a return structure; the mounting shell comprises a cylinder, a first end cover and a second end cover, and the cylinder, the first end cover and the second end cover combine to form a closed space; the braking structure comprises a first brake disc, a second brake disc and a magnetic member, the first brake disc and the second brake disc are engaged in transmission, the first brake disc and the second brake disc are respectively sleeved on an input shaft and a controlled shaft, the magnetic member is sleeved on the outside of the first brake disc and the second brake disc, and the magnetic member is used for generating a magnetic field; the return structure is sleeved on the controlled shaft, one end of the return structure is connected with the second brake disc, the other end of the return structure is connected with the controlled shaft, the second brake disc is connected with the controlled shaft, and through the application, different working modes are realized in the case of the same magnetorheological brake, and the output brake torque is different in different working modes.

The application relates to an automatic spraying method, system, electronic device and storage medium of a spraying machine, and the method comprises the following steps: S1, acquiring a current vehicle speed and a current working width of the spraying machine; S2, calculating a target spraying flow according to the current vehicle speed and the current working width; and S3, adopting a closed-loop control strategy to adjust a current actual spraying flow of the spraying machine according to the target spraying flow, so that the current actual spraying flow reaches the target spraying flow. Through the method, the target spraying flow calculated according to the current vehicle speed and the current working width is used to control the size of the current actual spraying flow in real time, the closed-loop control can increase the adjustment range of the liquid flow, and can reduce the hysteresis of the adjustment to a certain extent, realizes uniform spraying of the liquid medicine, and saves the liquid medicine.

The utility model relates to liquid level meter mounting equipment technical field, concretely is adjustable installation support of static pressure type liquid level meter, including from below and upwards in proper order connected front -back adjusting assembly, lifting adjusting assembly and left -right adjusting assembly, one end face of front -back adjusting assembly is fixedly connected with fixed component away from lifting adjusting assembly, and the inside insertion of fixed component has liquid level meter body, the utility model discloses through the cooperation of left -right adjusting assembly, lifting adjusting assembly, front -back adjusting assembly, realizes the accurate adjustment of three dimensions of front -back, left -right, up and down, satisfies the demand of different installation position and angle, and the installation precision of liquid level meter is greatly promoted, and then guarantees the measuring accuracy, and through each component adopts hinged, insertion, bolt connection etc. Simple structure, and the operation is simple during installation process, can complete support assembly and liquid level meter fixation quickly, reduces installation difficulty and time cost.

The utility model discloses an unmanned aerial vehicle detection auxiliary device which comprises an unmanned aerial vehicle body, the bottom of the unmanned aerial vehicle body is fixedly connected with a mounting frame, the bottom of the mounting frame is fixedly connected with a U-shaped box, and the rear side of the U-shaped box is movably connected with a rotating block through a bearing. The front side of the rotating block penetrates to the rear side of the inner wall of the U-shaped box and is fixedly connected with a first bevel gear, the left side and the right side of the first bevel gear are engaged with second bevel gears, the outer sides of the second bevel gears are fixedly connected with a transverse rod, and the surface of the transverse rod is movably connected with the inner wall of the U-shaped box through a bearing. According to the utility model, the rotating block is firstly rotated, the first rotating block screw rotates, the first screw drives the detector mounting rack and the detection equipment to move longitudinally, the longitudinal position of the detection equipment can be adjusted, then the rectangular sleeve transversely slides on the surface of the rectangular rod, and the transverse position of the detection equipment can be adjusted. Therefore, the gravity center adjusting function is achieved.

The utility model discloses an integrated cooker head spraying device which comprises a workbench and a liquid storage tank, and the liquid storage tank is connected with a spraying head through a liquid conveying pipe; a supporting frame is arranged on the workbench, a lifting mechanism is arranged on the supporting frame, a linear module is connected to the supporting frame in a sliding mode, and the lifting mechanism drives the linear module to reciprocate up and down; the linear module is connected with a mounting bracket, the linear module is connected with a mounting bracket, and the linear module drives the mounting bracket to reciprocate left and right; an angle adjusting mechanism is arranged on the mounting bracket and comprises a first servo motor, a first bevel gear and a second bevel gear, the first servo motor is connected with the first bevel gear, the first bevel gear is in meshed connection with the second bevel gear, the second bevel gear is rotationally connected with the mounting bracket through a rotating shaft, and the spray head is fixed on the rotating shaft. The nozzle is novel in structure, the inclination angle of the nozzle is flexible and adjustable, different parts of the integrated cooker head can be sprayed, and spraying is comprehensive.