57results about How to "Reduce connections" patented technology

The utility model discloses an integrated joint module and robot relates to motor technical field, and the integrated joint module includes: casing, motor, planetary gear reduction box, encoder and drive control board, the casing is the tubular structure, the motor is used to provide power, and the motor includes stator, rotor and rotation axis, and the stator is hoisted in the top inside casing, and the rotor rotatably sets up inside casing, and is located stator outside, and rotation axis is connected with the rotor, and its outer periphery is provided with the tooth, the planetary gear reduction box sets up in stator inside, and including fixedly installed inside stator's inner tooth ring, the planetary wheel that engages in the inner tooth ring with rotation axis between and the planetary wheel connection's planet carrier, the encoder includes the first encoder for monitoring rotation axis and the second encoder for monitoring planet carrier, and drive control board is located in casing, and is connected with motor. Such setting, can reduce the size of joint structure, realizes double magnetic encoder output configuration simultaneously, improves its output accuracy.

The invention provides a three-phase motor and a servo device, and relates to the technical field of motors. The three-phase motor at least comprises four output terminals, namely a U-phase terminal, a V-phase terminal, a W-phase terminal and an O terminal, and the U-phase terminal, the V-phase terminal and the W-phase terminal are arranged in the circumferential direction, namely, the U-phase terminal, the V-phase terminal and the W-phase terminal are arranged in the circumferential direction; the O terminal is located at a first position between the V-phase terminal and the W-phase terminal or at a second position between the U-phase terminal and the V-phase terminal, namely, the O terminal is exchanged with the original W-phase terminal or the V-phase terminal. Therefore, the Y-type connection method is kept unchanged, and the problems of bridging terminal connection and easy occurrence of interphase short circuit do not exist when the Y-type connection method is changed into the delta-type connection method.

The utility model discloses a kind of fresh air module and air conditioning equipment.New air module includes shell, centrifugal fan wheel and electric control box, shell includes first side plate, and first side plate is equipped with air pipe interface;Centrifugal fan wheel is arranged in shell, the axial direction of centrifugal fan wheel is parallel to first side plate, electric control box and air pipe interface are arranged along the length direction of first side plate with interval, the width direction of electric control box is parallel to the length direction of first side plate, the length direction of electric control box is parallel to the axial direction of centrifugal fan wheel, electric control box includes connected box body and box cover, and part of first side plate constitutes part of box body.The utility model discloses new air module, the box body of electric control box and the second part of first side plate share sheet metal part, cancel independent electric control box shell, not only reduce the quantity of parts, improve structure compactness, also reduce the mold development of electric control box sheet metal part, reduce manufacturing cost.And, the connecting procedure of electric control box and side plate is saved, and assembly and operation and maintenance efficiency are improved.

This invention provides a portable air conditioner integrating drying and preservation, relating to the field of air conditioning technology, and designed to solve the problem of low energy utilization in portable air conditioners. The portable air conditioner includes a housing, within which are a first heat exchange chamber, a second heat exchange chamber, and a storage chamber. The housing has a first air inlet, a second air inlet, and an air outlet. Both the first air inlet and the air outlet are connected to the first heat exchange chamber, which houses a first heat exchanger and a first fan. The second air inlet is connected to the second heat exchange chamber, which is also connected to the storage chamber via the air outlet. The second heat exchange chamber is isolated from the first heat exchange chamber and houses a second heat exchanger and a second fan. The storage chamber also has an exhaust port configured to connect to an exhaust pipe. This invention can fully utilize waste heat or waste cold energy generated during the cooling or heating process of a space, thereby achieving efficient resource utilization and reducing energy consumption.

The application discloses a double-specification inoculation ring push-scraping groove mold, which comprises a limiting plate one arranged in a rectangular plate body structure, a butt joint column one end symmetrically connected to the bottom end of the limiting plate one, and the other end of the butt joint column connected to the surface of a limiting plate two, the bottom end of the limiting plate one hingedly connected to a front fixed plate, and a positioning ring symmetrically arranged on the two sides of the front fixed plate. The double-specification inoculation ring push-scraping groove mold is provided with a push-scraping groove one and a push-scraping groove two arranged on the surface of a male mold plate in an interlaced and equidistant manner. Due to the symmetrical circular groove structure of the two ends of the push-scraping groove one and the push-scraping groove two, the two ends of the push-scraping groove one and the push-scraping groove two are penetrated by a pulling needle and a ejector pin rod according to production needs, the inoculation ring is inoculated in the interior of the push-scraping groove one and the push-scraping groove two through the penetration of the pulling needle and the ejector pin rod, the formed inoculation rings of different sizes are pushed out, the corresponding ejection environment is provided for the inoculation rings of different sizes, and the application range of the pulling needle and the ejector pin rod is increased.

This invention discloses an infrared receiver, comprising a photodiode chip, a transistor chip, a resistor, a chip carrier, and a package. The photodiode chip, transistor chip, and resistor are fixed on the top of the chip carrier, and the package surrounds the top of the chip carrier. The bottom of the chip carrier extends out of the package and is provided with a control pin, a collector pin, and an emitter pin. The photodiode chip and the transistor chip are electrically connected. The resistor is connected across the two electrodes of the photodiode chip, and the transistor chip is electrically connected to the control pin, the collector pin, and the emitter pin, respectively. This infrared receiver retains the characteristics of photodiodes, such as a large detection angle, fast response speed, and low temperature drift, while also enabling signal amplification, facilitating control, having short interconnections between components, strong anti-interference capability, and a high signal-to-noise ratio.

The utility model discloses a kind of real-time speed measurement motor with anti-suction function, including motor assembly and rear cover, rear cover is connected with anti-suction check valve and rotational speed sensor;The shell of the motor assembly is equipped with oil inlet A and oil return B, and the shell of the rear cover assembly is equipped with oil inlet A and oil return B.The utility model adopts integrated arrangement hydraulic element, installation space is compact, utilizes motor internal oil cavity to reduce pipeline connection, and it is easy to operate.

The application discloses a flue gas analyzer with a flue gas pretreatment structure, and aims to provide a flue gas analyzer with compact structure and reduced absorption effect of condensed water on flue gas. The application comprises a host, wherein a flue gas pretreatment structure is arranged in the host, the flue gas pretreatment structure comprises a gas-liquid separation module, a desiccant module and a heat dissipation module which are connected in sequence, the gas-liquid separation module comprises a gas chamber shell, a cavity is arranged in the gas chamber shell, an air inlet nozzle, an air outlet nozzle and a water outlet nozzle which are in communication with the cavity are arranged on the gas chamber shell, the desiccant module comprises a temperature control module, a frost film and a temperature detector, the temperature control module is arranged on the inner side of the heat dissipation module, and the frost film and the temperature detector are both arranged on a temperature control surface of the temperature control module. The application is applied to the technical field of flue gas analyzers.

The utility model discloses a high-concentration organic wastewater treatment device which comprises a tank body, the top end of the tank body is connected with a water inlet pipe through a rotary water distributor, and the interior of the tank body is divided into an electrolytic catalytic oxidation area, an anaerobic reaction area and a sediment backflow area from top to bottom; the electrolytic catalytic oxidation zone is provided with a plurality of titanium-based electrode plates which are arranged in parallel at intervals, a porous ceramic catalyst is filled between the titanium-based electrode plates, the anaerobic reaction zone is divided into a plurality of reaction chambers by a plurality of baffle plates, the adjacent baffle plates in the vertical direction deviate from each other, the bottoms of the baffle plates are provided with flow guide angles, and the flow guide angles are communicated with the reaction chambers. The reaction chamber is filled with a modified polyurethane biological filler; the precipitation reflux zone comprises an inclined tube precipitation layer and a conical sludge hopper, and the conical sludge hopper is connected with the head end of the anaerobic reaction zone through a gas stripping pipe. The high-concentration organic wastewater treatment device has the advantages of being compact in structure, high in high-concentration organic wastewater treatment efficiency and high in impact resistance.

The invention discloses a multipath amplitude phase adjusting device, which comprises supports, PCBs, coupling scribing pieces and clamping devices, and is characterized in that the number of the supports is two, the PCBs are arranged on the wall surfaces of the two supports, and the wall surface of each PCB is provided with a plurality of branch slow-wave microstrip lines which are distributed at intervals; the plurality of branch slow-wave microstrip lines are concentrically arranged around a first shaft, the coupling slip sheet is arranged on the upper wall of the PCB, the coupling slip sheet is provided with a power amplifier network line matched with the microstrip lines, one end of the coupling slip sheet is pivotally mounted on the PCB through the first shaft of the clamping device, and the clamping device is used for driving the coupling slip sheet to swing around the first shaft as the axis. The position of the coupling slip sheet on the branch slow-wave microstrip line is adjusted; and the first shaft is provided with an input line matched with the power amplifier network line. Under the requirement of the same phase adjustment quantity, the branch slow-wave microstrip line and the coupling slip sheet are coaxially arranged. The arc track length required by using the slow-wave microstrip line is shorter than that required by using a common microstrip line or a cable.

The embodiment of the present application discloses a kind of multiplexer and communication equipment, the multiplexer includes a transmitting port, at least one receiving port, at least one antenna port, filter set and switch.The fixed end of switch is connected with the first TDD filter in filter set, the first free end of switch is connected with the output end of the second TDD filter in filter set, and the second free end of switch is connected with one of receiving port;Transmitting port is connected with the input end of FDD transmitting filter in filter set and the input end of second TDD filter, and the output end of FDD receiving filter in filter set is connected with one of receiving port;The output end of FDD transmitting filter, the input end of FDD receiving filter and the first TDD filter are respectively connected with one of antenna port.Using the embodiment of the present application can improve port multiplexing rate and reduce circuit area under the premise of ensuring the reliable work of FDD and TDD.

The utility model provides an anti-loosening structure of an SMA connector. The anti-loosening structure comprises an SMA connector assembly, an anti-loosening piece and an anti-loosening piece, a cable assembly; the rotating mechanism is mounted on the surface of the SMA connector assembly; the elastic pressing assembly is installed on the surface of the SMA connector assembly, the locking assembly is installed on the top side of the elastic pressing assembly, and the locking assembly is installed on the surface of the elastic pressing assembly; and the locking plate is fixedly connected to the inner wall of the locking assembly. Under the action of the elastic pressing assembly, the anti-falling fixing effect of the limiting plate on the fixing cylinder is improved, the connection stability of the cable and the SMA connector is enhanced, stable signal transmission is guaranteed, and the connection of the cable and the SMA connector by external force is reduced.

This invention discloses a servo valve control mechanism and system for an injection molding machine. The injection molding machine includes a screw, a motor for driving the rotational movement of the screw, and a hydraulic cylinder for driving the axial movement of the screw. The servo valve control mechanism controls the operating speed of the hydraulic cylinder and includes a proportional valve connected to the hydraulic cylinder for adjusting its operating speed, and a host computer connected to the proportional valve for adjusting its valve opening size. This invention eliminates the need for a controller; the position of the hydraulic cylinder is directly fed back to the host computer, which then performs the analysis and calculations directly, resulting in faster and more accurate calculations. Furthermore, it reduces wiring connections, simplifies the overall wiring layout, reduces the possibility of circuit interference, and significantly reduces machine and after-sales costs.

This invention provides a communication system and its deployment method, apparatus, device, and medium. The communication system includes: a 5G core network component and a 5G NR protocol stack component, both mounted on a single physical central processing unit (CPU); a third-party component connected to the 5G core network component; a data forwarding module for handling signaling plane and user plane data interactions between the 5G core network component and the 5G NR protocol stack component on N2 and N3 interfaces; a guardian scheduling module for coordinating and isolating the 5G core network component, 5G NR protocol stack component, and third-party component based on resource information; and operating software connecting to the data forwarding module, guardian scheduling module, and external interfaces. The communication system provided by this invention is small in size, consumes little power, is easy to deploy, and has end-to-end rapid coverage capability for 5G private networks.

The invention discloses a shifting booster cylinder for a commercial vehicle, and belongs to the technical field of shifting booster cylinders, the shifting booster cylinder comprises a cylinder mechanism for shifting booster, and the cylinder mechanism is provided with a lubricating mechanism for lubricating the cylinder mechanism and a shifting mechanism for shifting; the precise pneumatic control valve composed of the left valve sliding block, the right valve sliding block, the pre-tightening spring, the large valve piston, the small valve piston and the pressure reducing spring is arranged and is in electric signal linkage with the sensor, rapid recognition of gear shifting intention and precise distribution of high-pressure gas are achieved, switching of gas circuits can be triggered through small displacement of the control rod, response is rapid, and meanwhile the control effect is good. By means of the positioning structure of the centering spring and the top bead-spherical groove, it is guaranteed that the gear shifting rod can accurately and smoothly reach the target gear under assistance pushing and keep stable, and the gear shifting hand feeling and the gear shifting quality are effectively improved.

This utility model discloses a lightweight, energy-saving molded cable tray, relating to the field of cable tray technology. It includes a cable tray body comprising a base plate and two side plates. Multiple first reinforcing components are evenly spaced on the base plate, each first reinforcing component including a first rectangular protrusion. This utility model features a rationally designed structure. By setting rectangular protrusions with weight-reducing grooves on the base plate and side plates, and using a stamping process to form the first and second weight-reducing grooves, the weight of the cable tray is significantly reduced, meeting lightweight requirements. The first and second support rods fixed within the weight-reducing grooves act like an internal "invisible skeleton," providing strong support for the cable tray. Combined with the molded reinforcing grooves, the structural strength is enhanced both laterally and longitudinally, enabling the cable tray to maintain reliable load-bearing capacity and deformation resistance while remaining lightweight. This solves the contradiction between lightweight and high strength inherent in traditional cable trays.

This utility model discloses a goji berry residue collection device for a goji berry pressing machine, including a goji berry pressing machine. The residue from the machine's discharge end is conveyed to a vibrating screen via an elevator. The vibrating screen is equipped with a primary and a secondary screen. The residue is screened out through the primary screen, and the seeds are screened out through the secondary screen. This goji berry residue collection device disperses the pressed and agglomerated residue through the vibrating screen, separates the seeds to be recovered, and other impurities such as peels and stems enter a drying device. After drying, the peels and seeds shrink and dry due to water loss, weakening their binding force. After being conveyed by air, they collide in the separation chamber, separating the peels and seeds. The seeds are then recovered by air separation and returned to the vibrating screen for further processing. This method results in low impurity content and high recovery rate in the recovered seeds.

The parallel multi-way directional valve comprises at least two parallel valve units, each of which comprises a valve body, a valve core, a driving mechanism, an oil inlet channel and an oil return channel. The valve body is integrally formed by casting, and a valve cavity extending along a first axis is arranged in the valve body. The valve cavity is in communication with at least two working oil ports formed in the valve body. One pair of opposite sides of the valve body are mounting surfaces. The valve core is movably arranged in the valve cavity. The driving mechanism is used to drive the valve core to reciprocate relative to the valve cavity to select the communication of the corresponding working oil port. The oil inlet channel penetrates through the mounting surfaces of the opposite sides of the valve body and is in communication with the valve cavity. The oil return channel penetrates through the mounting surfaces of the opposite sides of the valve body and is in communication with the valve cavity. Adjacent two valve units are connected through the mounting surfaces of the valve bodies, and the oil inlet channel of one valve unit is in communication with the oil inlet channel of the other valve unit, and the oil return channel is in communication with the oil return channel of the other valve unit.

The application relates to the technical field of aircraft thermal protection, and particularly discloses a preparation method of a bearing / heat-proof integrated ordered porous sweating composite structure, which comprises the following steps: preparing a three-dimensional fiber preform, phthalonitrile resin pouring, cutting processing and aluminum wire removal; and the bearing / heat-proof integrated ordered porous sweating composite structure comprises an ordered porous sweating structure, a cooling working medium flow cavity and a cooling working medium storage tank, the ordered porous sweating structure is a bearing part of a component main body, and the ordered porous sweating structure is provided with a micropore flow channel for sweating cooling; the ordered porous composite material sweating structure of the application can have higher bearing capacity while the sweating cooling performance is considered, and the specific strength is far higher than that of the commonly-used metal and ceramic sweating materials; the bearing and sweating structure functions are simultaneously realized; the hierarchical structure of the sweating structure can be reduced, the overall thickness of the sweating system is reduced, and the negative weight of the aircraft is greatly reduced.

The application provides a fluid electromagnetic heater of a methanol engine, comprising: a heater body arranged on an engine body and connected with an inlet of a fuel supply pipeline; an electromagnetic induction heating module arranged on an outer wall of the heater body and capable of converting electric energy into heat energy and transmitting the heat energy to fluid flowing through the heater body; an electric control unit electrically connected with a control unit of the engine and capable of controlling and adjusting a heating power of the electromagnetic induction heating module according to an engine working condition; wherein the electromagnetic induction heating module comprises a magnetic and heat conductive layer and an electromagnetic coil arranged around the magnetic and heat conductive layer. The application can realize uniform, on-demand and efficient heating operation through cooperation of the electric control unit, the electromagnetic induction heating module and the heater body, greatly improves the combustion efficiency of the methanol fuel, and solves the problems of cold start difficulty, insufficient combustion and high emission of the methanol engine.

The utility model belongs to switch technical field relates to a full -power or half -power variable power switch, include: alternating current input terminal A, mechanical switch SW1, diode D1 and alternating current output terminal 1. The anode of diode D1 is connected with the pin x of mechanical switch SW1, and the cathode of diode D1 is connected with the pin y of mechanical switch SW1 and the pin 1 of alternating current output terminal respectively. In addition to having the original function of traditional mechanical switch, when switching, the power parameter of the appliance equipment can be automatically switched and changed, directly coping with the different power requirements of the equipment appliance.

The application discloses an automatic door wireless receiver of intelligent permission identification, an automatic door system and a method thereof. The automatic door wireless receiver comprises a wireless communication module, a receiver master control module and a host communication module. The automatic door wireless receiver can automatically identify the specific device type and the permission level of each external device, and acquire the current working state of the automatic door, so that the instructions of each external device are processed, and the opening or closing of the automatic door is controlled. The application can solve the communication compatibility problem of all external devices by using only one automatic door wireless receiver, reduces the number of wireless receivers, reduces the connection between the automatic door host and the wireless receiver, can eliminate the property safety hidden danger caused by the wrong port connection of the construction personnel, and greatly reduces the construction difficulty of the later-added external devices.

The application relates to the technical field of bridge erecting machines and discloses an integrated flow distribution valve group arranged in a pump station and comprising m oil inlets, each of which is connected with different control oil paths; n oil outlets, the distal ends of the oil pipes connected with each oil outlet being total oil inlets, the total oil inlets being connected to adjacent execution groups; m*n one-way valves, each oil inlet being connected to n oil outlets through n parallel pipelines, and n one-way valves being arranged in the n parallel pipelines one by one; and front-end oil pipes of all the one-way valves corresponding to one oil inlet meeting in the valve group, and rear-end oil pipes of all the one-way valves corresponding to one oil outlet meeting in the valve group. The integrated flow distribution valve group solves the problems of too long total length of oil pipes and poor pipe arrangement process in the traditional oil pipe arrangement scheme.

The utility model discloses a kind of SRC rigid connecting node structures, including rigid column part and rigid beam part, rigid column part includes steel column and the first concrete part wrapped in the steel column outside, rigid column part is parallel to vertical direction setting;Rigid column part is equipped with one metal sealing plate along the two sides of first direction, and metal sealing plate is welded and fixed with steel column;Rigid beam part is arranged in the two sides of rigid column part along first direction, and rigid beam part includes steel beam and the second concrete part wrapped in the steel beam outside;Steel beam is welded and fixed with metal sealing plate;Rigid column part is equipped with connecting plate along at least one side of second direction, and connecting plate includes integrally formed first steel plate part and second steel plate part, first steel plate part is welded and fixed with steel column, and second steel plate part is welded and fixed with steel beam;The utility model can avoid the longitudinal steel bar collision of steel beam and steel column, save the necessary connecting process of part longitudinal steel bar of steel beam and steel column, increase construction convenience and shorten construction period.

The utility model relates to a filter structure and water purification equipment, including water route board, prefilter, reverse osmosis filter core and postfilter, the water route board inside forms the water route passageway of water flow, each filter core sets up in the side of water route board respectively, and the first board face of water route board and each filter core is provided with the filter interface group for making above-mentioned water route passageway and each filter core respectively links to each other, and the second board face of water route board installs the control valve group for respectively controlling the on-off of water route passageway corresponding place, and, the side of water route board is equipped with the first water purification interface for supplying the water outlet nozzle with clean water, and under the clean water mode, the first water purification interface is located the last end of above-mentioned water route passageway along the water flow direction, the utility model can make water route layout simple, reduce the risk of water leakage, avoid the security risk that water route and circuit cross arrangement bring, conveniently discharge the residual water in water route passageway, avoid the bacteria breeding.

The application discloses a single-hung air-drop device with charging and discharging functions, and belongs to the technical field of air-drop devices. The single-hung air-drop device comprises a shell, a driving assembly fixedly arranged on the outer side of the shell and used for generating power, and a fixing assembly arranged on the outer side of the shell and used for fixing a throwing object. The shell cover and the shell at the top are combined to form a mounting cavity, and core electrical components such as a throwing controller, a charging and discharging module and an indicator lamp are integrated in the mounting cavity, so that electrical control is realized. The driving assembly and the fixing assembly are used to realize the throwing function, integrated design reduces external line connection, the charging and discharging function expands the practicability of the device, the controller control module is used to charge the capacitor, the capacitor can be controlled to be discharged for a short time after the capacitor is fully charged, the trigger energy demand of an igniter is met, the reliability of the igniter function is ensured, the problem that a conventional battery power supply is difficult to meet the instantaneous high-power demand of the igniter is effectively solved, and the effect that the self-charging is used to store energy for the igniter is realized.

The utility model discloses a plastic pipe fitting for quick repair, which relates to the technical field of pipeline repair, and comprises a pipe fitting main body, a sealing rubber ring and a sealing locking piece, the pipe fitting main body comprises a hot melting bell mouth section, a sealing section and a first connecting section, and the hot melting bell mouth section is coaxially connected with the sealing section; the first connecting section is connected with the hot melting socket section and arranged outside the sealing section to form a double-layer structure, a gap exists between the first connecting section and the sealing section, a second to-be-repaired pipe is inserted into the sealing section, internal threads are arranged in the first connecting section, the sealing locking piece is a pipe body and comprises a rotating section and a second connecting section, external threads are arranged outside the second connecting section, and the rotating section is connected with the second connecting section. A second to-be-repaired pipe is inserted into the sealing locking piece, the second connecting section is inserted into the gap, the external thread is connected with the internal thread, and the sealing rubber ring is located between the second to-be-repaired pipe on the sealing section and the sealing section. By means of threaded screwing and annular sealing, operation is convenient, pipeline connection is few, water circulation is not affected, and potential quality hazards of a connector are avoided.

The application discloses a broadcast transmitter switching device and a switching method thereof, and the switching device comprises a mechanical carrier and a control unit; the mechanical carrier comprises a cabinet body, a resistor body framework and a fan support are arranged in the lower part of the cabinet body, a first resistor body and a second resistor body are arranged on the resistor body framework, a first fan and a second fan are arranged on the fan support, a first partition plate is arranged on the upper part of the resistor body framework, an external interface plate is arranged on the first partition plate, a second partition plate is arranged in the upper part of the cabinet body, a coaxial converter is arranged on the upper part of the second partition plate, an emergency support is arranged on the lower part of the second partition plate, a front door and a back door are arranged on the cabinet body, a switch, an indicator lamp and a high-frequency power meter are arranged on the front door panel, and the external interface plate and the emergency support are arranged on the inner side of the back door. The application can be effectively applied to the switching of the broadcast transmitter, stable and efficient switching between the main machine, the standby machine, the transmitting antenna and the dummy load can be realized, the performance is stable and reliable, the market prospect is wide, and the application is convenient to popularize and use.

The invention belongs to the technical field of liquid lead-based cooling reactors, and particularly relates to an integrated lead-based coolant efficient purification device. The heat exchanger comprises an outer shell, the upper end and the lower end of the outer shell are connected with an upper sealing head and a lower sealing head respectively, an inner flow channel is installed in the outer shell, a bottom heat exchange tube bundle is arranged below the inner flow channel, and the bottom heat exchange tube bundle is communicated with the inner flow channel and the lower sealing head respectively; and a filtering assembly is arranged in the inner flow channel. The liquid lead-based metal cooling agent purification device can realize functional partition of bottom heat exchange, middle cooling and top trapping, and has the characteristics that the temperature of the cooling area can be adjusted in a grading manner, the filter assembly is detachable and the like, so that dissolved impurities in the liquid lead-based metal cooling agent can be efficiently and deeply purified.

This utility model relates to the field of hydraulic control valve technology, and discloses a hydraulic control valve used in a high-speed rice transplanter, including a main check valve, a compound directional valve, a fixed-value throttle valve, a flow divider valve, a safety valve, a return oil check valve, and a return oil throttle valve integrated in a valve block. The valve core of the main check valve is in a normally open, upward position under the action of a spring force. The valve core of the compound directional valve is controlled to move left and right by the interaction of external operating force and spring, realizing four working states for pressurized oil to enter and exit the working cylinder: rising, slow rising, neutral holding, and falling. The P port is connected to the hydraulic pump, the T port is connected to the oil tank, and the C port is connected to the working cylinder. The return oil check valve includes the valve core of the main check valve and a spring. In this utility model, the main check valve, compound directional valve, fixed-value throttle valve, flow divider valve, safety valve, return oil check valve, and return oil throttle valve are integrated into the same valve block, resulting in a compact structure, reduced pipeline connections, and reduced leakage risk.