14results about How to "Open reliable" patented technology

This invention discloses an electronically controlled suspension cylinder, an electronically controlled suspension system, and engineering machinery. The electronically controlled suspension system includes two electronically controlled suspension cylinders, a central rotating body, and an accumulator. Each electronically controlled suspension cylinder includes an electromagnetic directional valve and a suspension cylinder. The valve port of the electromagnetic directional valve is connected to the oil port of the suspension cylinder via a pipeline. The electromagnetic coils of the electromagnetic directional valves of the two electronically controlled suspension cylinders are connected and then connected to the central rotating body. The oil ports at the top of the two electronically controlled suspension cylinders are connected, and an accumulator is installed on the connecting line. This invention associates the activation signal of the electronically controlled suspension system with the vehicle's travel signal. Whenever the vehicle is in motion, the electronically controlled suspension system activates. When activated, the two electronically controlled suspension cylinders and the accumulator are interconnected, providing a shock absorption effect. This invention uses the electromagnetic directional valve and the suspension cylinder in conjunction, eliminating the need for a hydraulically controlled check valve assembly. The suspension system activation is reliable, and there is no risk of instantaneous closure.

This invention belongs to the field of check valve technology, specifically a float-type check valve, including a valve body, a mounting base, a float housing, and a hollow float. The float housing is rotatably assembled via a spherical seat on the mounting base. A ball bearing is provided between the spherical seat and the ball head of the float housing, allowing the float housing to automatically adjust its verticality when the valve body is tilted, maintaining its central axis perpendicular to the horizontal plane. The float housing has a through hole communicating with the inlet, a spherical cavity accommodating the float, and a through groove communicating with the outlet. A branch channel extending to the valve seat sealing surface is opened on the inner wall of the through hole, which can assist in pushing the float open during forward flow. A multi-stage staggered-hole throttling disc is provided on the inner side of the outlet end to reduce the reverse flow velocity. The float housing adopts a split plug-in structure. This invention solves the problems of poor sealing, difficulty in opening under low pressure, and susceptibility to water hammer in traditional float valves installed at tilted angles. It has advantages such as reliable sealing, sensitive response, and adaptability to complex installation environments.

The utility model discloses a mixer discharge port structure, specifically includes the open and close component for opening or closing the discharge port, open and close component includes two groups of moving plate, and one group of moving plate is provided with pipe socket and guide seat, and the other group of moving plate is provided with the shielding cover of sliding, wherein pipe socket is used for fixed pipe fitting, and guide seat is used for guiding the head end of pipe fitting to be inclined to the discharge port and extend into it. The utility model discloses the open and close component in the mixer discharge port structure is arranged, has realized reliable opening and closing operation to the discharge port, has prevented the splashing of cement mortar in the mixing process effectively, has avoided the environmental pollution of the site, has promoted the neatness of construction environment. Through the cooperation of pipe socket and guide seat, can firmly fix the water pipe at the discharge port, effectively prevent the water pipe from under the water pressure counter -thrust effect and take out, ensure the continuous stability of the water injection process.

This utility model discloses a thrust reverser rocket plug structure for the execution compartment, including a plug shell, flat washers, spring washers, and screws. The mounting and positioning surface of the plug shell and the execution compartment is an elliptical plane, and the exposed surface is a cylindrical surface. Multiple countersunk holes for installing fastening screws are distributed along the edge of the shell. Each countersunk hole has a fixed bottom thickness and multiple radial through grooves evenly distributed around its central through hole. When installing the thrust reverser rocket plug on the execution compartment, first place the elliptical plane of the plug shell onto the corresponding mounting surface of the execution compartment, then insert the flat washer and spring washer into each countersunk hole in sequence, and finally tighten the connecting screws. This plug structure can simultaneously meet the requirements of the execution compartment for installing the thrust reverser rocket, ensuring that the thrust reverser rocket plug shell can reliably open during rocket operation and reliably seal under high-altitude, low-pressure conditions.

This utility model discloses an electric greenhouse film winding device, including a first winding support assembly and a second winding support assembly. The second winding support assembly includes a lower fixed mounting base, a U-shaped column fixed on the lower fixed mounting base with its opening facing away from the supporting arch frame, a strip groove opened in the U-shaped column in the longitudinal direction, a rack fixed in the U-shaped column in the longitudinal direction, a support shaft passing through the strip groove, a gear sleeved on the support shaft and meshing with the rack, a motor mounting plate slidably disposed on the side of the U-shaped column, a winding reduction motor fixed on the motor mounting plate and connected to the support shaft, a second traveling support roller and a third traveling support roller disposed on the inner side of the motor mounting plate, a first rolling bearing respectively sleeved on the second traveling support roller and the third traveling support roller, and a traveling wheel disposed on the first rolling bearing. The traveling wheel is placed inside the U-shaped column and rolls in the longitudinal direction.

This utility model provides a vibration structure for a spherical graphite vibratory grinding device, belonging to the technical field of spherical graphite vibratory grinding devices. The vibration structure includes: a vibratory body, a vibration excitation device, a support base, a transmission shaft, an adjustment mechanism, and a sealing cover. The vibratory body is cylindrical, with a spherical grinding cavity inside, the inner wall of which is made of stainless steel. The support base is fixedly mounted on the ground, and its upper surface is connected to the bottom of the vibratory body via a shock-absorbing spring assembly. The vibration excitation device includes an eccentric wheel and a drive motor, which is fixedly mounted on the side wall of the support base. The output shaft of the drive motor is connected to the transmission shaft via a coupling. This invention solves the technical problems of uneven grinding, poor vibration control accuracy, and insufficient equipment stability in existing spherical graphite grinding devices.

The application discloses a kind of folding wing cruise vehicle mounting and launching device and launching method, device is by launching barrel, force frame, hanging point, separation ring, control device, buffer pad, torsion spring hinge, guide frame, hatch control steering gear, hatch and mounting rack composition;The mounting and launching device reduces the aerodynamic interference between the folding wing cruise vehicle launching process and carrying platform, greatly improves the launching safety.And the mounting and launching device has no pyrotechnics and deceleration parachute, simple mechanism, safe, reliable, low cost, can be reused repeatedly;At the same time, its working process is given, and the launching device is opened, the folding wing cruise vehicle is separated from the launching barrel, the separation ring is unlocked, the separation ring is separated from the cruise vehicle, the cruise vehicle folding wing is unlocked and unfolded, the cruise vehicle enters the flight state, the separation ring is recycled, and the hatch is closed. The launching separation process completes the launching of the cruise vehicle.

This invention relates to the field of sampling equipment technology, specifically to an intelligent sampling device for wheat distillers' grains fermentation. The intelligent sampling device includes a multi-stage sampling rod and an outer shell. The multi-stage sampling rod is composed of multiple sampling rods, which are nested and connected sequentially and slide relative to each other. The outermost sampling rod is nested inside the outer shell. Each sampling rod has a protruding conical portion in the middle of its segment, which cooperates with the buoyancy of the fermentation liquid. Both the sampling rod and the inner wall of the outer shell have grooved portions. Multiple liquid sampling ports are evenly distributed circumferentially at the conical angle of the conical portion of each sampling rod. A door is installed at each liquid sampling port, and a guide block is provided on the door. The door slides in cooperation with the grooved portion of the previous sampling rod or the outer shell through the guide block. This invention avoids sample mixing, improves sampling efficiency and accuracy, facilitates operation, and ensures sample purity.

The utility model discloses an execution cabin counter -thrust rocket plug, including plug shell, flat washer, spring washer and screw, the installation location surface of plug shell and execution cabin is an oval plane, and the exposed surface is a cylindrical surface, and there are multiple countersunk slot holes for installing fastening screw at the edge of shell, and the thickness of bottom slot hole is certain. When installing counter -thrust rocket plug on execution cabin, first, place oval plane of plug shell to corresponding installation surface of execution cabin, then put flat washer, spring washer in each countersunk slot hole in turn, and finally, tighten connecting screw. The plug of the utility model can meet the requirement of the execution cabin of installing counter -thrust rocket that the counter -thrust rocket plug shell can be reliably opened when counter -thrust rocket works and can be reliably sealed under high altitude low pressure condition.

The invention relates to the technical field of valves, in particular to a power-level two-way hydraulic control main valve which comprises a main valve body, a valve sleeve is arranged in the main valve body, a valve element is arranged in the valve sleeve, the valve element is connected with a two-way hydraulic control device, the two-way hydraulic control device controls the valve element to act, the valve is controlled through high-pressure oil, and the valve is stable in state and good in anti-seismic effect. The action speed of the valve can be controlled, the valve is driven to act through high-pressure oil under the small driving power of the electromagnetic valve, then the driving force of the valve is increased, and the corresponding speed of the valve is increased.

This utility model discloses a vehicle door latch, comprising an upper housing and a lower housing arranged opposite to each other. The upper housing has a first hook, and the lower housing has a rotating plate rotatably mounted thereon. A second hook, corresponding to the position of the first hook, is fixed on the rotating plate. A tension spring is connected to the rotating plate, with its other end connected to the lower housing. The upper and lower housings are respectively fixed to the exterior of the vehicle door and body. The first and second hooks interlock to achieve the opening and locking of the vehicle door. Furthermore, the tension of the spring prevents the second hook from easily rotating and disengaging from the first hook, thus preventing the door from closing automatically due to strong winds. This ensures that the latch has strong locking and limiting performance, making the opening and closing of the vehicle door more reliable and safe.

The utility model discloses a kind of air bag manometer, including barometer and connector, barometer is by handle, air inlet pipe, outlet head and dial plate, air inlet pipe is connected with air pump, outlet head is communicated with connector by connecting pipe.Joint includes through pipe, pedestal, plug and valve core assembly, valve core assembly is by sealing disc, sealing ring, limit slot, top core column, threaded rod and knob head, top core column front end is equipped with taper head, threaded rod is passed through through pipe and is connected with knob head, knob head is equipped with first anti-skid groove outside.The connecting cap is sleeved in the end of through pipe, and the inner side is equipped with connecting thread and retaining ring, the outer side is equipped with second anti-skid groove, and the retaining ring is attached with the retaining ring outside through pipe.Using, by rotating knob head, top core column is opened to complete inflation by inflating nozzle valve core, after inflation is completed, knob head is reversed to make top core column reset, valve core is closed under the action of elasticity, ensure that gas is not leaked when joint is disassembled.

This invention discloses a bidirectional pilot-operated solenoid valve comprising: a valve body having a first inflow port and a second outflow port, and a main valve seat and a main valve chamber formed between the first and second ports; a main valve core dividing the main valve chamber into a pilot chamber and a guide chamber; a first inflow channel, a first outflow channel, a second inflow channel, and a second outflow channel; and a secondary valve core for synchronously opening and closing the first and second outflow channels. When the secondary valve core is closed, the pilot chamber introduces high-pressure side pressure through the first or second inflow channel, pushing the main valve core to contact the main valve seat, thereby closing the guide chamber. When the secondary valve core is open, the pilot chamber releases pressure to the low-pressure side through the first or second outflow channel, and the main valve core is pushed upward by the fluid to separate from the main valve seat, thereby opening the guide chamber. This invention solves the problem that traditional pilot-operated solenoid valves are difficult to use in bidirectional flow paths.

The invention provides a single battery, a pressure relief mechanism, a battery device and a power utilization device, the single battery comprises a shell, an electrode assembly and the pressure relief mechanism, the shell is provided with an accommodating cavity, the electrode assembly is arranged in the accommodating cavity, the pressure relief mechanism is arranged in the shell, and the pressure relief mechanism comprises a valve body, and a first groove and a second groove which are arranged along the circumferential direction of the valve body. The valve body is provided with a first surface and a second surface, the first surface deviates from the containing cavity, the second surface faces the containing cavity, the first groove is sunken from the first surface to the side where the second surface is located, and the second groove is sunken from the second surface to the side where the first surface is located. The valve body is configured to be broken in the first groove and folded with the second groove as the axis. According to the battery monomer, the pressure relief mechanism, the battery device and the power utilization device provided by the embodiment of the invention, the risk of high-temperature gas side spraying can be reduced, and the pressure relief reliability of the battery monomer is improved.