40results about How to "Reduced space required for installation" patented technology

The invention discloses a stator and oil injection assembly integrated oil cooling motor, a stator assembly is fixed in a casing, the stator assembly, a rotor assembly and the casing form a cooling cavity, the rotor assembly passes through the inner side of the stator assembly and is rotatably connected with the casing, and a rotating shaft oil duct communicated with the cooling cavity is arranged in the rotor assembly; the inner side of the end part of the stator assembly is provided with an oil injection assembly with an inclined flow guide hole, and the end part of the stator assembly is provided with a corresponding through hole, so that the internal oil duct of the outer circle of the stator core, the oil injection assembly and the cooling cavity are communicated; an oil inlet and an oil outlet are formed in the machine shell, cooling oil input from the oil inlet firstly flows through an internal oil channel to cool a stator iron core and then is guided and sprayed to an end winding through an inclined flow guide hole of an oil spraying assembly integrally installed on the stator assembly and a through hole in the end of the stator assembly, and cooling oil input from the rotor assembly firstly cools the interior of the rotor assembly and then cools the interior of the rotor assembly. And then the cooling oil is sprayed to the inner ring surface of the winding and is discharged through the oil outlet. The cooling device has the advantages of being compact in structure and remarkable in cooling effect.

The invention belongs to the technical field of pole-mounted circuit breakers in power systems, and particularly relates to a pole-mounted circuit breaker integrating communication, electricity taking and traveling wave distance measurement. The solid-sealed polar pole is located on the box body, an integrated capacitor C1 is arranged in the solid-sealed polar pole, and the wire inlet side of the integrated capacitor C1 is a high-voltage terminal; a secondary side circuit is arranged in the box body, a self-integrated capacitor C1 is sequentially connected in series with low-voltage capacitors C2 and C3 of a capacitor electricity-taking power supply and a high-frequency transformer T2, and a power-frequency electricity-taking transformer T1 is connected in parallel with the C2 and C3; the protection circuit is connected to the C3 in parallel; the high-frequency transformer T2 has two groups of output windings, one group of output windings is connected in series with the traveling wave acquisition circuit, and the other group of output windings is connected in series with the carrier communication circuit. Original four independent devices are integrated into one device, functions are deeply integrated, the limitation that in a traditional scheme, a plurality of devices achieve a single function is broken through, high integration of the devices is achieved, the number of the devices and the installation space are reduced, and the installation and maintenance cost is reduced.

The invention provides a mobile air conditioner capable of changing the cold air outlet direction and provided with obliquely-installed coaxial cold and hot air ducts, which comprises a shell serving as a mounting carrier, an air inlet, an air outlet, an air outlet, an air inlet and an air outlet, the shell is hollow, and a mounting cavity is formed in the shell; the volute assembly is obliquely arranged in the mounting cavity, the volute assembly comprises an upper volute assembly and a lower volute assembly located below the upper volute assembly, an upper volute cavity and a lower volute cavity are formed in the upper volute assembly and the lower volute assembly respectively, the upper volute cavity and the lower volute cavity are coaxially arranged, and the axis of the upper volute cavity and the axis of the lower volute cavity incline to the horizontal plane; an exhaust channel is arranged on the side wall of the upper volute cavity, extends upwards, is in butt joint with a first air outlet in the top of the shell and is used for discharging air. The mobile air conditioner capable of changing the cold air outlet direction and provided with the obliquely-installed coaxial cold and hot air ducts is compact in structure, small in size, low in manufacturing cost and use cost, convenient to assemble, high in air outlet speed, long in air supply distance, low in working noise, good in use effect and long in service life.

A partition plate is integrally formed between an acting side wall and a connecting boss, so that an air inlet area and an air outlet area which are located on the two sides of the partition plate and isolated from each other are formed in a rotor, and a plurality of supercharging fan blades are arranged in the air inlet area and used for centrifugal rotation to achieve air flow supercharging; the roots of the plurality of pressurizing fan blades are connected with the circumferential surface of the connecting boss and are arranged around the autorotation center at equal angles, so that gradually-expanded channels are formed among the pressurizing fan blades, a circle of confluence channels are arranged in the air inlet area along the inner side edge of the acting side wall, and the confluence channels are communicated with the gradually-expanded channels; the two sides of the rotor of the rotor engine are partitioned through the partition plates, normal air inlet and exhaust functions are guaranteed, the air inlet side of the rotor is provided with the supercharging fan blades rotating synchronously with the rotor, air in the air inlet area is entrained through rotation of the rotor, centrifugal supercharging airflow is formed through driving, the air inlet pressure is effectively increased, and then the air inlet amount of a combustion chamber is increased.

The invention discloses an electric regeneration pure water preparation device, and mainly relates to the technical field of pure water preparation. Comprising a water treatment tank, the top of the water treatment tank is slidably connected with a fixing plate, the fixing plate is rotatably connected with a rotating plate, the platform plate and the rotating plate are connected through a plurality of stand columns, the platform plate is slidably connected with a sliding block, the sliding block is rotatably connected with a rotating shaft, and an adsorption cylinder is arranged at the end of the rotating shaft; fan blades are rotationally connected to the middle of the adsorption barrel, a second filter screen is arranged at the bottom of the adsorption barrel, an adsorption pipe is arranged at the bottom of the adsorption barrel, and a plurality of arc-shaped plates are arranged on the adsorption pipe. The pure water preparation device has the beneficial effects that the problem that the pure water preparation device cannot guarantee the quality of pure water prepared for a long time is solved, the long-term raw water filtering effect of the preparation device is improved, and the quality of the pure water prepared for a long time is improved.

The utility model discloses a food processing machine which comprises a main machine with a soybean milk making cavity, a cup cover installed above the soybean milk making cavity and a movable part installed in the installation cavity, an installation cavity is formed in the cup cover, and a through hole communicated with the soybean milk making cavity is formed in the bottom wall of the cup cover. The movable part is provided with a first communication nozzle and a second communication nozzle, and the movable part is movably arranged in the installation cavity so that the first communication nozzle and the second communication nozzle can be selectively communicated with the through hole. According to the food processor provided by the invention, through the transfer effect of the movable part, the number of the through holes of the cup cover is effectively reduced, the structure of the cup cover is simplified, the design and processing difficulty of the cup cover is reduced, the total part number of the cup cover is reduced, the miniaturization of the cup cover is facilitated, and the structural compactness of the cup cover is improved; and meanwhile, the design and installation difficulty of the sealing structure of the through hole is reduced.

The utility model discloses a kind of filter suitable for data center cooling water system, including filter tank, water inlet pipe, water outlet pipe and blow-off pipe, the water inlet pipe, water outlet pipe and blow-off pipe are all connected on filter tank, blow-off pipe is connected with the bottom of filter tank, turbulent device that is also provided with the output end connection of water inlet pipe in filter tank, water inlet pipe is straight-through pipe, water inlet pipe upper end is set in filter tank top outside and forms water inlet pipe interface, the lower end of water inlet pipe passes through water outlet cavity in filter tank and enters turbulent cavity in filter tank lower part and is connected with turbulent device.The filter suitable for data center cooling water system disclosed in the utility model, since water inlet pipe is straight-through pipe, reduce the setting of elbow pipe, and then reduce the volume and installation space of filter system.

The utility model discloses a compact integrated power supply system, which relates to the technical field of electric power supplies of new energy stations or small-sized substations, and comprises a case body acquisition and detection module arranged on the inner side wall of a case body; the monitoring module is arranged on one side of the interior of the case body; the power supply module is arranged in the case body and is close to one side of the monitoring module; and the charging module is arranged in the case body and is close to one side of the power supply module. According to the utility model, the acquisition and detection module, the power supply module originally dispersed in the alternating current cabinet, the monitoring module in the charging cabinet and the charging module are combined into a whole according to actual requirements by taking the direct current power supply as a core, and are integrated into a prefabricated small adjustable chassis for chassis processing, so that the installation space and the wiring process are reduced.

The invention relates to a dual-module intercooler type fuel cell cathode inlet temperature and humidity cooperative control method. The method comprises the steps that fuel cell cathode air inlet real-time state parameters and operation parameters are obtained, a multivariable coupling prediction model is constructed after preprocessing, and a temperature and humidity reference and an oxygen stoichiometric ratio target reference are set in combination with heat exchange characteristics of a dual-module intercooler; then the core body heat exchange distribution proportion is regulated and controlled, humidification adjustment is matched, and the core body heat exchange distribution proportion and the humidification adjustment intensity are dynamically adjusted according to the real-time working condition; comparing the deviation between the adjusted actual temperature and humidity and the target temperature and humidity reference, and correcting the heat exchange distribution proportion and the humidifying adjustment parameter through a dynamic constraint correction model; cooperative regulation and control of cathode inlet temperature and humidity are realized, dynamic change of working conditions is adapted, and stable operation of the fuel cell is guaranteed.

A laundry treating apparatus is disclosed. The laundry treating apparatus according to an embodiment of the present invention comprises: a cabinet; a drum disposed in the cabinet and arranged to be rotatable, laundry being accommodated in the drum; a manipulation unit arranged in the cabinet and manipulated by a user to generate a manipulation signal; and a screen output unit arranged in the cabinet so as to output a screen for providing information to the user, wherein: the screen output unit is arranged to output a screen on which any one of multiple targets is selected on the basis of the manipulation signal; and the manipulation unit comprises a multi-function button unit that is activated only for some of the multiple targets in the screen output unit.

The utility model relates to the field of quay crane trolley position measurement, and particularly discloses a crane quay crane trolley position measuring device, which comprises a pulse encoder arranged on an output shaft of a motor, the pulse encoder is electrically connected with a frequency converter of the motor, and the frequency converter is electrically connected with a PLC (Programmable Logic Controller); the device further comprises a follow-up component following the quay crane trolley, the follow-up component is installed on a buffer base in front of a traveling wheel of the quay crane trolley, an absolute value encoder is installed on the follow-up component, and the absolute value encoder is electrically connected with the PLC. According to the utility model, the absolute value encoder is mounted by adopting the follow-up part and is matched with the pulse encoder for use, so that the accuracy of position detection is improved, the original motor structure is not changed, the equipment mounting space is not increased, and the sealing property of the motor and the stable operation of the crane trolley structure are ensured.

This invention discloses a mechanical limiting and hydraulic cylinder coordinated driving mechanism for the inner pull-out mechanism on the top side of a two-color injection mold, relating to the field of two-color injection mold technology. The mechanism includes an inner pull-out shovel base and a limiting drive rod fixed to the fixed mold side, and a hydraulic cylinder, an inner pull-out steering block, an inner pull-out main body, and a limiting slider disposed on the moving mold side. The limiting slider has a limiting groove, and the limiting drive rod has an inclined portion that cooperates with it. The inner pull-out steering block has a limiting hole, and the limiting slider can be inserted into or removed from the limiting hole under the action of an elastic element. During mold opening, the limiting drive rod separates from the limiting groove, and the elastic element drives the limiting slider to lock the inner pull-out steering block, preventing it from falling. During mold closing, the limiting drive rod drives the limiting slider to unlock via the inclined surface, and then the inner pull-out shovel base precisely resets the inner pull-out steering block. This invention, through a purely mechanical limiting structure, eliminates the risk of the top side slider falling during power switching, improves reset accuracy, eliminates the auxiliary hydraulic cylinder, simplifies the mold structure, and reduces costs.

The invention relates to a pulse inverter assembly comprising: a positive high-voltage input for supplying a positive lead; a negative high-voltage input for supplying a negative lead; a pulse inverter for providing at least one alternating voltage from a direct voltage provided via the leads; at least one resistance assembly having at least one resistance between the positive lead and the negative lead, wherein the at least one resistance assembly has at least one self-conducting semiconductor switch which is set up and arranged in such a way that an electrical connection formed by the at least one resistance assembly between the positive lead and the negative lead is closed or opened; and a control device, wherein the control device is set up to switch the at least one self-conducting semiconductor switch into the off state at least in a normal operating state. The invention also relates to a method for operating a pulse inverter assembly.

Disclosed are a laundry treating apparatus and a method for controlling same, the laundry treating apparatus according to an embodiment of the present disclosure comprising: a cabinet; a drum which is provided within the cabinet, is rotatably provided, and accommodates laundry therein; a manipulation part which is provided in the cabinet and is manipulated by a user to generate a manipulation signal; and a screen outputter which is provided in the cabinet and outputs a screen for providing information to the user, wherein the screen outputter is provided to output a course progress screen displaying performance information on a course for treating laundry, and the manipulation part comprises a multi-function button which is activated in at least a part of a plurality of processes performed in the course and, when manipulated by the user in an activation state, a laundry additional process for additionally inputting laundry in the progress of the course is carried out.

The utility model provides a camera fixing device for unmanned aerial vehicle aerial photography, which relates to the technical field of aerial photography and comprises an aerial photography module, the aerial photography module comprises a base part, an unmanned aerial vehicle body is arranged at the top of the aerial photography module, a mounting plate is fixed at the bottom of the unmanned aerial vehicle body, and a mounting groove is formed in the bottom end of the front face of the mounting plate. The top of the inner wall of the mounting groove is slidably connected with a rocker. According to the utility model, the U-shaped plate is matched with the warping plate, so that the base part of the aerial photography module is fixed with the mounting plate, and a worker only needs to slide the U-shaped plate along the mounting groove to enable the warping plate to deform and buckle and fix the U-shaped plate, so that the required mounting space and the number of parts are reduced, the processing production is convenient, the complexity of the processing process is reduced, and the production efficiency is improved. The position of the warping plate is adjusted through the movable rod, shaking of the U-shaped plate in the mounting groove caused by reverse sliding of the U-shaped plate is prevented, and the effect of improving the mounting stability of the base part is achieved.

This invention belongs to the technical field of vehicle-mounted gas supply systems and gas cylinders, providing a double-layered composite gas cylinder and its preparation method, as well as a vehicle-mounted gas supply system. The composite gas cylinder includes an inner high-pressure resistant cavity, comprising a plastic liner and a first composite material layer; one end of the plastic liner has a high-pressure inlet / outlet, and the other end has a supporting member; an outer low-pressure resistant cavity includes an outer liner and a second composite material layer; the outer liner completely covers the supporting member and partially covers the high-pressure inlet / outlet, and correspondingly has low-pressure inlet / outlet openings; the inner high-pressure resistant cavity and the outer low-pressure resistant cavity are fixedly connected at both ends axially to form a co-located double-layered cavity structure; the inner cavity of the outer low-pressure resistant cavity constitutes a low-pressure chamber, and the inner cavity of the inner high-pressure resistant cavity constitutes a high-pressure chamber. The first composite material layer is configured to only bear the pressure difference between the high-pressure chamber pressure and the low-pressure chamber pressure. This invention simplifies vehicle mounting, reduces costs, and minimizes vehicle assembly space.

The utility model discloses a massage seat controller and vehicle belong to car seat control technical field, include: controller casing subassembly, controller casing subassembly has installation cavity, circuit board subassembly, circuit board subassembly sets up in the installation cavity, and circuit board subassembly is connected with controller casing subassembly, and circuit board subassembly includes circuit board body, pneumatic massage valve subassembly, pneumatic waist support valve subassembly and initiative side wing valve subassembly, and pneumatic massage valve subassembly, pneumatic waist support valve subassembly and initiative side wing valve subassembly are respectively interval setting on circuit board body, and pneumatic massage valve subassembly and pneumatic waist support valve subassembly are communicated with the outside air pump through first air inlet, and initiative side wing valve subassembly is communicated with the outside air pump through second air inlet, and first air inlet and second air inlet interval setting. The utility model integrates three valve subassembly on the same circuit board and interval setting, has reduced the redundancy pipeline and installation space required by scattered arrangement, makes the controller whole structure more compact, and the assembly is more convenient.

The utility model relates to the technical field of operation machinery, and discloses a hood locking structure, a hood and operation machinery, the hood locking structure comprises a lock body and a lock hook, one of the lock body and the lock hook is suitable for being arranged on a hood body of the hood, and the other one of the lock hook and the lock body is suitable for being arranged on a hood cover of the hood; the lock body comprises a support, a spring bolt assembly and a lock cylinder. The spring bolt assembly is rotatably arranged on the support. The lock cylinder is movably arranged on the support. The lock cylinder is provided with a pressing position and a loosening position, and at the pressing position, the lock cylinder moves in the axial direction of the lock cylinder and drives the spring bolt assembly to be separated from the lock hook, so that the hood body and the hood cover are unlocked; and at the loosening position, the lock cylinder moves reversely in the axial direction of the lock cylinder, and the spring bolt assembly is connected with the lock hook, so that the hood body and the hood cover are locked. According to the utility model, the unlocking of the hood is realized by pressing the lock cylinder, so that the mounting and unlocking action space of the locking structure is obviously reduced, and the application range is expanded.

The invention belongs to the field of fuel cell heat supply systems, and particularly relates to a household fuel cell heat and power cogeneration system, which comprises a fuel cell stack, an electrical control module, and an air supply module, a hydrogen supply module, a stack temperature control module and a heat recovery and storage module which are connected with the electrical control module, the air supply module and the hydrogen supply module are used for receiving the control instruction and providing a heat production reactant for the fuel cell stack; the electric pile temperature control module is used for circularly cooling the fuel cell electric pile to enable the temperature of the fuel cell electric pile to reach a preset range, and receiving a control instruction of the electrical control module and heating a condensing agent to circularly heat the fuel cell electric pile to realize quick start when the fuel cell electric pile is in cold start; the heat recovery and storage module is connected with the electric pile temperature control module and used for absorbing heat in the electric pile temperature control module and storing the heat in the household electric water heater; the efficiency and the starting speed of the household fuel cell cogeneration system are remarkably improved, and the cost, the size and the installation space of the system are greatly reduced.

The invention discloses an ultra-wideband multi-service vehicle-mounted antenna for railway communication, which belongs to the field of wireless communication antennae, and comprises a high-precision positioning module, a first antenna, a 350MHz-9000MHz ultra-wideband antenna and a second antenna which are sequentially arranged on a mounting bottom plate from front to back at intervals, the 350MHz to 9000MHz ultra-wideband antenna adopts a planar special-shaped monopole radiation unit; and the wind-resistant outer cover is buckled and fixed on the mounting bottom plate and covers the high-precision positioning module, the first antenna, the 350MHz-9000MHz ultra-wideband antenna and the second antenna. According to the antenna, the planar special-shaped monopole radiation unit is used as a 350MHz-9000MHz ultra-wideband antenna, fusion of multiple types of multi-band antennas is realized, multiple types of service antennas are integrated in one antenna, and all the antennas are in omnidirectional radiation, compact in structure arrangement and stable in installation mode.

The application discloses an unmanned aerial vehicle storage platform and a vehicle, and relates to the technical field of unmanned aerial vehicle storage platforms, and particularly relates to an unmanned aerial vehicle storage platform and a vehicle. The platform comprises a base, a parking apron arranged on the base and capable of being lifted relative to the base, a hatch arranged on the base in an openable and closable manner to shield or expose the parking apron, a centering mechanism arranged on the parking apron and used for centering and fixing an unmanned aerial vehicle on the parking apron, and a set of driving mechanisms arranged on the base. The driving mechanisms are drivingly connected with at least two of the lifting movement of the parking apron, the opening and closing movement of the hatch and the centering movement of the centering mechanism, so that the at least two movements are synchronously executed when the driving mechanisms operate. The application fundamentally discards the redundant structure of the traditional 'one movement one driving', replaces a plurality of independent driving units with an integrated driving system, greatly simplifies the mechanical structure, reduces the number of components and the installation space, and realizes the coordination and unification of multi-degree-of-freedom movements through the synchronous linkage between the movements, thereby shortening the unmanned aerial vehicle storage and takeoff time.

The application provides a power integrated water pump, which comprises a base, an upper cover connected with the base to form a sealed mounting cavity, a water pump module arranged in the mounting cavity, a power module arranged in the mounting cavity and connected with the water pump module, and a plug module connected with the power module, wherein a wire placement area is arranged in the mounting cavity, the plug module comprises a wire comprising a connecting end and a power supply end, the connecting end is connected with the power module, and the power supply end extends outward to the outside of the base, a plug is arranged on the power supply end, and the wire is at least partially movably arranged in the wire placement area, and the connecting end moves with the power supply end. The power of the water pump is integrated by arranging the above modules in the mounting cavity. The water pump can be turned on and off by simply pulling out and plugging in the plug, so that the use is more convenient and the operation is simpler. Meanwhile, the weight and the installation space of the whole water pump are reduced, and the user can use more easily.

The present invention provides an aircraft hydraulic energy subsystem and a control method thereof, and an aircraft. The aircraft hydraulic energy subsystem includes an accumulator, an electric pump, a pressure signaler, a first circuit switch, and an electromagnetic switch. The electromagnetic switch includes a second circuit switch and an electromagnetic coil. The first circuit switch, the electromagnetic coil, and the pressure signaler switch are connected in series, and the second circuit switch and the electric pump are connected in series. When the pressure of the hydraulic oil in the hydraulic system pipeline is lower than a preset lower limit threshold, the pressure signaler switch is closed, the electromagnetic coil is energized and the second circuit switch is attracted, the electric pump starts to work and delivers hydraulic oil to the high-pressure oil output end of the aircraft hydraulic energy subsystem; when the pressure of the hydraulic oil in the hydraulic system pipeline is higher than the preset upper limit threshold, the pressure signaler switch is disconnected, the second circuit switch is disconnected, the electric pump stops working, and the accumulator delivers hydraulic oil to the high-pressure oil output end. The aircraft hydraulic energy subsystem can protect the system from damage caused by long-term and frequent operation.

The utility model discloses a linear type servo electric cylinder which comprises a motor, a reduction gearbox, a lead screw, a guide rod and a lead screw nut, the motor is connected with an input shaft of the reduction gearbox, an output shaft of the reduction gearbox is connected with the lead screw, the guide rod and the lead screw are arranged on the same side of the reduction gearbox in parallel, and the lead screw nut is connected with the guide rod. Wherein the motor, the reduction gearbox and the guide rod are integrally formed; the lead screw nut is in threaded connection with the lead screw, a guide groove extending in the axial direction of the guide rod is formed in the lead screw nut, and the guide rod is slidably connected with the guide groove in a matched mode. According to the linear servo electric cylinder, the overall dimension of the whole electric cylinder is effectively reduced, the number of parts is reduced due to the integral forming design, the cost of raw materials is reduced, the production and manufacturing process is simplified, and the assembling procedure and the labor cost are reduced. And meanwhile, fewer parts mean fewer fault points, so that the later maintenance cost is reduced.

The present invention provides a tapered clutch brake device, which belongs to the technical field of clutch; it solves the technical problems of short service life and poor stability of existing clutches; a tapered clutch brake device comprises a transmission shaft, which is axially extended; a driving wheel, which is arranged on the transmission shaft and axially fixed to the transmission shaft; a transmission seat, which is fixedly connected to the driving wheel and can rotate synchronously with the driving wheel, and the transmission shaft passes through the transmission seat; a brake seat, which is fixedly arranged and separated from the transmission seat, and the transmission shaft passes through the brake seat; a transmission member, which is circumferentially fixedly connected to the transmission shaft, the transmission member is located between the transmission seat and the brake seat and separated from the two, and the transmission member can move axially relative to the transmission shaft; the matching structure of the conical contact enables the transmission member to generate forces in both radial and axial directions when it contacts the transmission seat or the brake seat, and the transmission and braking effects are good. The entire structure realizes the combination of clutch and braking, and the structure is simple and compact.

The invention aims to provide the lubricating oil detection probe rod capable of simultaneously detecting the amount of lubricating oil in a lubricating oil tank and the content of metal filings in the lubricating oil and the intelligent lubricating oil monitoring system comprising the lubricating oil detection probe rod. The lubricating oil detection probe rod is installed in a lubricating oil tank and used for detecting the amount of lubricating oil in the lubricating oil tank and the content of metal filings in the lubricating oil, and a lubricating oil amount sensor and an optical fiber sensor are integrated in a main body of the lubricating oil detection probe rod. The lubricating oil quantity sensor is used for detecting the quantity of lubricating oil in the lubricating oil tank, and the optical fiber sensor is used for detecting the content of metal filings in the lubricating oil in the lubricating oil tank.

The utility model provides a stacker crane cargo stack height detection device, which relates to the technical field of stacking equipment and comprises a stacker crane, the stacker crane is provided with a stacking station, and a bijection sensing component is arranged on one diagonal line of the stacking station; the stacking machine comprises a stacking machine frame, and the correlation sensing component is fixed to the stacking machine frame. The correlation sensing component comprises a mounting plate and an infrared sensor, the mounting plate is fixed on the stacking rack, and the infrared sensor is fixed on the mounting plate. The carton stacking machine has the advantages that the correlation sensing components are arranged on the diagonal lines of the stacking station and used for detecting the height of a carton on the stacking station, so that the defect that a grating sensor is adopted in a traditional stacking machine is overcome, and the purposes of reducing cost and reducing installation space are achieved; in addition, the bijection sensing component is convenient to assemble, disassemble and adjust, the installation difficulty is reduced, and follow-up maintenance is facilitated.

The utility model relates to unloading valve technical field discloses a one -way pneumatic unloading valve, include: first valve body, second valve body and third valve body, first valve body and second valve body are detachably connected through the connector, and the second valve body is opened in and is equipped with the adjusting cavity, is provided with valve rod and valve seat in the adjusting cavity, and one end of valve rod connects first valve body, and the other end is embedded in valve seat, and the other end of valve seat is fixedly connected with first spring, and first spring sets up in third valve body, and the other end of first spring is fixedly connected third valve body, be provided with water inlet hole, water outlet hole and overflow hole on second valve body, and water inlet hole, water outlet hole and overflow hole all communicate with adjusting cavity, through first spring and adjusting cavity cavity division accurate control overflow, stabilize system pressure, and the structure of pressure -bearing block, second spring and star type sealing strip blocks reverse water flow, and the impact is prevented, and the pressure is preserved, function integration greatly simplifies the pipeline layout of high pressure water system, reduces equipment quantity and installation space, and the overall cost is low.

This utility model discloses a novel energy-saving servo hydraulic control system for controlling the extension and retraction of at least one hydraulic cylinder. It includes an oil tank, a hydraulic pump, and a control valve block. The inlet end of the hydraulic pump is connected to the oil tank. The control valve block includes an outlet pipeline, two branch pipelines, and a main return pipeline. The outlet pipeline is connected to the outlet end of the hydraulic pump, and the main return pipeline is connected to each of the branch pipelines via return branches. Each return branch is equipped with a balance valve. The main return pipeline also includes a cooling and filtration structure for filtering and cooling the hydraulic oil within it. This integrated cooling and filtration structure avoids the complexity of traditional systems requiring separate cooling and filtration equipment, simplifying the system structure, reducing costs and installation space, and improving the overall compactness and reliability of the system.