35 results about "Pneumatic tube" patented technology

An acoustic signalling device comprising an oscillator arranged to transform a feed pneumatic flow in an intermittent pneumatic flow. The oscillator comprises an inlet port, arranged to be connected to a pneumatic line to supply the oscillator with the feed pneumatic flow, and an outlet port, arranged to expel the intermittent pneumatic flow. The acoustic signalling device also comprises an acoustic signaller connected to the oscillator by the outlet port, the acoustic signaller arranged to compress the intermittent pneumatic flow for producing an intermittent acoustic signal. The oscillator also comprises an outlet flow regulator arranged to adjust the flowrate of the intermittent pneumatic flow exiting from the outlet port.

To detect a defect of a pneumatic tube and to easily calculates the position of the defect.SOLUTION: The present invention relates to an information processor 100 which is used to inspect a pneumatic tube system 1 which moves a pneumatic element 5 in a pneumatic tube 4, and the information processor comprises: an input part 101 which inputs moving image data that a camera 6 records and sound data that the camera 6 records, the data being acquired by moving the pneumatic element 5, having the camera 6 built in, inside the pneumatic tube 4, and the camera serving as imaging means for capturing images in time series and sound collection means for collecting a sound in time series; a detection part 102 which detects a defect of the pneumatic tube 4 based upon the image data input by the input part 101; and a calculation part 103 which calculates the position of the defect detected by the detection part 102 based upon the sound data input by the input part 101.SELECTED DRAWING: Figure 3

A method is for operating a compressed air system in a vehicle. The compressed air system has pneumatically operated actuators, switchable pneumatic valves and devices for supplying and preparing compressed air, which are connected to one another via a pneumatic line system. The devices for supplying compressed air include a compressed air source and a compressed air store, and in the line system a pressure sensor is provided for measuring the pressure. An algorithm is programmed such that depending on the difference between the pressure in the compressed air store and the pressure in the line system, pneumatic valves are actuated to connect the compressed air store to the line system only after pressure equalization between the pressure in the compressed air store and the pressure in the line system. During pressure equalization, compressed air from the source and / or the actuators or devices is introduced into the line system.

The invention relates to a canister magazine (10) for a pneumatic tube station (16) for holding pneumatic tube canisters (14), comprising at least one canister carrier (19) movably mounted on a support frame (18) and a loading mechanism (32); wherein the canister carrier (19) is designed to be driven in a shunting direction (37) and has at least two canister holders (26) arranged on the canister carrier (19) for receiving one pneumatic tube canister (14) each; wherein the loading mechanism (32) is designed to hold the canister holders (32) in a shunting position (34) of the canister carrier (19) and to individually deflect the canister holders (26) from the shunting position (34) into a loading position (36) of the canister carrier (19); wherein the can carrier (19) is designed for the individual arrangement of the can holders (26) from the shunting position (34) to the loading position (36) by moving in the shunting direction (37).

A compressed air supply unit includes a main pneumatic line from the compressed air connection to the compressed air supply connection and includes an air dryer arranged in the main pneumatic line for drying the compressed air. A branching line branches off from the main pneumatic line between the compressed air connection and the air dryer and reconnects to the main pneumatic line between the air dryer and the compressed air supply connection. A main line switch valve is arranged upstream of the branching line between the compressed air connection and the air dryer and blocks the main pneumatic line in a first operating mode. A method is for operating a compressed air supply system. A vehicle and / or a compressed air supply system have a compressed air supply unit.

The application provides a cartridge air pressure tube assembly and a pipetting system, which are used for cooperating with liquid suction or injection operation in a cartridge, wherein the cartridge comprises a cartridge shell, the cartridge air pressure tube assembly comprises an air pressure tube and a pump body, the air pressure tube and the pump body are provided in a split mode, the air pressure tube is assembled on the cartridge shell, and the pump body is used for being assembled in the air pressure tube when needed, so as to form a sealed injection pump with the air pressure tube.

A safety valve (100) for a pneumatic conduit (798) includes: a valve body (120) with a pressure port (122) pneumatically connected to a pressure side (840) of the pneumatic conduit (798) and a release port (124) pneumatically connected to a release side (860) of the pneumatic conduit (798), a valve piston (140) axially movable along a valve axis (AV) relative to the valve body (120) between a release-side end position (SP1) and a pressure-side end position (SP2), and a valve piston spring (160) to push the valve piston (140) into the pressure-side end position (SP2). A bypass conduit (150) extends through the valve body (120) or the valve piston (140) and, depending on the position of the valve body, permits a release airflow (AF) to flow through the bypass conduit between the pressure port (122) and the release port (124).

A method for transmitting a frame (40) by a device (20) associated with a pneumatic tube (11) to a remote receiving device (30), comprising encrypting a segment (4002) of said frame by said device (20), determining (S13) a symmetric key (K) associated with a key identifier (ID) determined (S12) from an identifier of said device (20), and applying (S15) said symmetric key to said segment (4002) to encrypt content, and an associated receiving method. Figure for the abbreviation: Figure 1

A pneumatic clamp valve includes a valve body (11), a flexible hose (5) passing through the valve body, an upper pressure head (6) and a lower pressure head (17) respectively provided on the upper and lower sides of the flexible hose, a quadrilateral frame (13) composed of connecting rods (3) that can surround the flexible hose, the ends of adjacent connecting rods being sleeved on a shaft (20), the upper and lower corners of the frame being connected to the upper pressure head and the lower pressure head respectively, the two middle corners of the frame being connected to a middle plate (2) respectively, the outer end of the middle plate being fixedly connected to a guide shaft (1), and the guide shaft being inserted into the front side plate (12) and the rear side plate (21) of the valve body respectively. The guide shaft located on the front side plate has a threaded part (15) extending outward from its end, and a handwheel (14) is screwed on the threaded part. Its beneficial effects are that, driven by the cylinder, the frame can make the upper pressure head, the lower pressure head and the middle plate move synchronously, so that the flexible hose is flattened or opened; the flow can be adjusted by turning the handwheel, only one cylinder is used, which is convenient to control and greatly reduces the manufacturing cost.

This application relates to a cigar smoking device and a method for testing the flammability of cigars. The cigar smoking device includes: a vacuum pump and a detachable mouthpiece; wherein the mouthpiece is determined according to the size and shape of the cigar to be tested, and one end of the mouthpiece is used to hold the cigar to be tested, while the other end is connected to the vacuum pump via a pneumatic pipeline; the vacuum pump is used to draw the cigar to be tested; a speed controller connected to the vacuum pump is used to adjust the rotational speed of the vacuum pump to adjust the drawing force of the cigar to be tested; a time relay connected to the vacuum pump is used to adjust the working time of the vacuum pump to adjust the drawing frequency of the cigar to be tested. Using this device, the smoking process of different cigars can be simulated, and the flammability of cigars can be accurately evaluated.

The invention relates to an air treatment unit, an air management system, a pneumatic system and a vehicle. The air treatment unit comprises an inlet port, an air drying unit, and a supply line configured to exchange, in particular to supply, dry compressed air between the air drying unit and a supply port, and a return pneumatic line configured to exchange, in particular to return, compressed air of the supply port to the air drying unit, wherein a backflow control unit comprises an electrically controllable valve and is arranged and configured such that during a regeneration phase the returned compressed air can flow from the return pneumatic line via the electrically controllable valve and via the supply line and the air drying unit to a pneumatic exhaust line in accordance with an electrically controllable signal. According to the invention, it is provided that the electrically controllable valve is provided as a single and only electrically controllable valve of the backflow control unit.

This invention discloses a miniature pneumatic valve, belonging to the technical field of fluid pipeline control equipment. It includes: a valve body, a valve cover, a PVC gel valve core, a valve seat, a spring retaining ring, and a connector. The valve body is installed inside the connector. The valve cover is slidably connected to one end of the valve body, and the valve seat abuts against the other end of the valve body. The PVC gel valve core is placed between the valve cover and the valve seat, with one end abutting against the valve cover and the other end abutting against the valve seat. The spring retaining ring is installed inside the connector and abuts against one end of the valve body. The connector is connected to the pneumatic pipeline of a robot. This invention has the advantages of simple structure, small size, light weight, fast response speed, and facilitates the miniaturization and weight reduction of pneumatic robot execution systems.

This invention relates to the field of automotive suspension technology, specifically to an air circuit topology device, control method, automotive, and computer-readable storage medium for an air suspension system. In this device, each air spring is connected to a pneumatic pipeline via a pneumatic solenoid valve. A height sensor for monitoring suspension height is located under the vehicle frame. The pneumatic solenoid valve includes an inlet, an outlet, and an airflow channel. The inlet is equipped with a first valve body, and the outlet with a second valve body. One side of the airflow channel is connected to the inlet, and the other side is connected to the outlet. One end of the airflow channel is connected to an air spring, and the other end is designated as a balance port. The balance port is connected to the balance ports of other pneumatic solenoid valves via a balance air circuit. The pneumatic solenoid valve is connected to a controller, which controls the opening states of the inlet, outlet, and balance port according to the air circuit topology. This air circuit topology device is compatible with various vehicles and has the advantages of uniform air circuit, easy installation, and low cost.

This utility model provides a pneumatic clamp valve that is easy to install and remove, including a valve body and a positioning mechanism. Positioning flanges are symmetrically arranged at both ends of the valve body. The positioning mechanism is symmetrically arranged on both sides of the valve body and consists of a fixed ring, a spring telescopic rod, a movable ring, and positioning bolts. The fixed ring is fixedly installed in the valve body. Two spring telescopic rods are symmetrically installed in the fixed ring, with their telescopic ends fixedly connected to the movable ring. The movable ring is slidably connected in the valve body. Several positioning bolts are equidistantly installed on the side of the movable ring away from the spring telescopic rod. The positioning bolts sequentially pass through the positioning flanges in the valve body and the pipe to be installed. This utility model has advantages such as easy installation and reduced labor costs.

The invention relates to a vitrectomy system (1) comprising a pneumatically operated surgical instrument (2), a console (3) configured to provide compressed air for operating the surgical instrument (2), and at least one pneumatic line (4) connecting the surgical instrument (2) to the console (3) and through which the compressed air is provided, wherein the at least one pneumatic line (4) has a section (4-1) away from the instrument and a section (4-2) near the instrument, wherein the inner diameters (5-1, 5-2) of the sections (4-1, 4-2) of the pneumatic line (4) are the same, and wherein the outer diameter (6-1, 6-2) and / or the material damping of the two sections (4-1, 4-2) differ.

The utility model discloses a kind of self-locking mechanism and the carrier comprising it, including support seat, clamping arm and first drive component, support seat is provided with connecting shaft, connecting shaft is rotatably connected on support seat, first positioning protrusion is provided on connecting shaft, clamping arm is sleeved on the outer surface of connecting shaft, first positioning groove is provided on clamping arm, the position of first positioning groove corresponds with first positioning protrusion and first positioning protrusion is located at the inboard of first positioning groove;The drive end of first drive component is connected with connecting shaft, under the drive of first drive component, connecting shaft moves relative to clamping arm, to make first positioning protrusion disengage first positioning groove or the second positioning protrusion disengage second positioning groove.This application discards the working mode that traditional self-locking clamp relies on power supply or ventilation, does not need to set electrical plug-in device in each work station, reduces electrical circuit laying, pneumatic pipeline installation and related equipment maintenance cost, greatly reduce cost.

The utility model discloses a kind of pneumatic pipe bending device, including installation base plate, fixed component, movable assembly and rotary drive component, the fixed component and movable assembly are arranged on the upper surface of installation base plate, the rotary drive component is set on installation base plate bottom and corresponding drive movable assembly;Wherein, the fixed component includes mould clamping connecting base plate and its surface mould clamping compression push pliers, mould clamping compression block, mould clamping connecting block, pipe bending mould clamping, mould clamping slide rail and pipe bending wheel mould;The movable assembly includes guide mould connecting base plate, guide mould compression push pliers, guide mould compression block, guide mould connecting block, pipe bending guide mould and guide mould slide rail;The rotary drive component includes rotary cylinder and rotary shaft.The utility model changes different pipe bending mould clamping, pipe bending guide mould and pipe bending wheel mould according to different pipe fittings, provides corresponding bending die, increases adaptation range, effectively carries out correct bending work, reduces production cost.

A test device for an injection nozzle of a nuclear power plant emergency generator that operates in an emergency situation of nuclear power generation includes a support table, a test body slidably installed on the support table and configured to slide between an inspection position and a storage position, a hydraulic pump arranged within the test body and configured to operate by pneumatic pressure, a first pneumatic line connecting an air inlet portion to the hydraulic pump and configured to supply air at a predetermined pressure to the hydraulic pump, a relief valve arranged on the first pneumatic line and configured to control a maximum pressure of the air, a hydraulic line configured to supply oil supplied by the hydraulic pump to an injection nozzle, and an oil pressure measuring portion configured to measure a pressure of oil flowing within the hydraulic line, wherein the oil pressure measuring portion comprises a digital display portion configured to measure a real-time pressure of the oil and digitally display a peak value of the oil pressure supplied to the injection nozzle.

The present application relates to mushroom planting technical field, and discloses a kind of mushroom warehouse partition even wind air supply box structure, including mushroom house, the side of mushroom house is provided with air supply duct for conveying airflow, air supply duct is connected with the porous pipe for air outlet to mushroom house, air supply duct is provided with even wind adjusting mechanism, even wind adjusting mechanism includes air guide mechanism, the side of air guide mechanism is provided with honeycomb rectifier mechanism, the side of honeycomb rectifier mechanism is provided with venturi adjusting mechanism, venturi adjusting mechanism below is provided with pneumatic adjusting mechanism.The technical scheme of the present application combines airflow straightening, flow regulation and end self-adapting multiple functions by pneumatic adjusting mechanism as a unified control hub, when diaphragm senses venturi throat static pressure change, synchronously drive adjusting piston to move to change closed air cavity pressure, and pass through pneumatic pipeline to transfer pressure signal to executing mechanism in mushroom house, drive outer sleeve pipe sliding adjustment porous pipe air outlet area.

The utility model relates to pathological section carrier technical field, concretely is a glass slide box with accurate extraction function, including carrier box, the both sides outer wall of carrier box is equipped with the through groove, the front of carrier box is provided with the box cover, the inner wall fixed mounting of carrier box has the interlayer, the outer wall of carrier box is provided with taking device, taking device includes limit sliding frame, limit sliding frame fixed mounting is in carrier box near the both sides outer wall of through groove, the utility model through the rubber material of antiskid rubber strip realizes undamaged clamping and firmly fixed, completely eliminates the shaking of carrier box when pneumatic pipeline logistics transportation system transportation, avoids the overflow of sample in the shaking process, pollutes the box body, and through the antiskid rubber strip of four layer settings, can accurately extract each layer's glass slide, completely solved the pain point of inconvenient extraction of carrier box's narrow box body, significantly improved the operation precision, efficiency and anti -shake stability.

This utility model provides a pneumatic pipe connector, belonging to the field of pneumatic pipe connection technology. It includes a connector body, a left plug screwed to the left side of the connector body, a threaded sleeve screwed to the right side of the connector body, a fluid assembly screwed into the inner cavity of the connector body, and a pneumatic pipe body sleeved on the outer side of the fluid assembly. The inner cavity of the connector body is provided with a conical groove and multiple sets of through holes communicating with the conical groove. A sealing component is provided within the conical groove. A locking mechanism is inserted into the outer side of the left plug. This utility model solves the problems of cumbersome connection steps, easy detachment, and easy backflow of external liquid into automated mechanical equipment caused by the insertion of the pneumatic pipe body and fluid assembly, followed by locking and fixing the pneumatic pipe body through the locking mechanism and the designed sealing component.

This application provides an energy storage welding machine for convex ring nuts, including an energy storage welding machine body, a welding integrated control box, a first arm disposed on the front end face of the energy storage welding machine body, a welding cylinder disposed on the end face of the first arm, and an air storage tank disposed on the energy storage welding machine body. The air inlet of the air storage tank is connected to an external air source, and the air outlet of the air storage tank is connected to a pneumatic pipeline, which is also connected to the welding cylinder. This utility model, by adding an air storage tank and its associated pneumatic pipeline, allows the gas in the air storage tank to be filtered through a first pipeline into a compressed air processor's filter when the external pipeline pressure is unstable. The gas then enters a second pipeline, and after being regulated by a pneumatic solenoid valve, is delivered to the welding cylinder through the second pipeline, thus maintaining a stable pressure in the welding cylinder.

This utility model discloses a vulcanizing device for producing V-belts in series, relating to the technical field of vulcanizing devices. It includes: a workbench, an upper mounting plate, an upper electric heating plate, a lower mounting plate, and a lower electric heating plate; a fitting groove; and a demolding electric push rod. The output end of the demolding electric push rod is equipped with an ejection sealing block. The bottom of the vulcanizing mold has a demolding ejection groove. A pneumatic pipe is installed at the bottom of the vulcanizing mold, with a connecting flange installed on its outer wall. A solenoid valve is installed on the inner wall of the pneumatic pipe. This utility model, by installing a demolding mechanism and connecting to an external air supply device via the connecting flange, allows air to circulate within the pneumatic pipe, creating a gap between the vulcanizing mold and the material. Subsequently, the demolding electric push rod moves the ejection sealing block to demold the material. During the molding process, the ejection sealing block remains in the demolding ejection groove to seal, preventing any impact on the normal processing of the material.

A multi-stage pneumatic clamp valve includes a housing and an inner sleeve. The housing consists of an upper housing and a lower housing, which are connected by bolts. The inner sleeve is fitted inside the housing. A telescopic rod is installed inside the upper housing, and a first extrusion plate is installed at the telescopic end of the telescopic rod. Two cylinder tubes are symmetrically arranged inside the lower housing, located on both sides of the inner sleeve. An extrusion rod is fixed at each end of the first extrusion plate, and the lower end of the extrusion rod is located inside the cylinder tube. A piston is provided at the bottom end of the extrusion rod inside the cylinder tube. A telescopic cylinder is connected to the bottom of the cylinder tube, and a second extrusion plate symmetrical to the first extrusion plate is installed at the telescopic end of the telescopic cylinder. A sealing ring is provided inside the inner sleeve near the discharge end, and a sealing plate matching the sealing ring is movable near the sealing ring. This invention has advantages such as easy maintenance and backflow prevention.

The application discloses a kind of pneumatic piston actuator, belong to valve technical field, including;Cylinder, inside is provided with cavity;Piston, movably set in the cavity, the piston will the inside of the cavity be divided into first chamber and second chamber not intercommunicate;Pneumatic pipeline, with the second chamber is communicated, for the inside injection gas of second chamber to control piston moves to the direction of first chamber located;Quick exhaust element, with the inside of the second chamber is communicated, for the gas in second chamber is discharged.The application also discloses a kind of pneumatic emergency cut-off valve, it includes the pneumatic piston actuator of described, the application can shorten the discharge time of gas, to shorten the time consumed in the execution cut-off process of emergency cut-off valve.

The utility model provides a kind of pneumatic pipe joint with sealing enhancement structure, it is related to pneumatic pipe technical field, the utility model includes pipe body, the side of pipe body is equipped with enhancement structure, the enhancement structure is sealed by rubber block, and the side of pipe body connecting pneumatic pipe is enhanced, the enhancement structure includes fixed plate, threaded rod, operating block, moving block and rubber block, the fixed plate is arranged in pipe body close to the side of pneumatic pipe, the utility model can be sealed by rubber block, and the side of pipe body connecting pneumatic pipe is enhanced, to avoid pipe body and the connecting place of pneumatic pipe, long time use appears wear and tear leakage condition, to improve the use effect of pneumatic pipe joint. By using protection assembly, threaded rod can be shielded and protected, to avoid surface thread damage after threaded rod is stressed, then affect the use of enhancement structure subsequently.

This utility model discloses a pneumatic propulsion device for an eddy current probe used in heat transfer tube eddy current detection, comprising: a pneumatic tube through which the eddy current probe passes, with an external air source connected near the rear end; a front end seal, sealingly connected to the front end of the pneumatic tube and having a front end through hole for the eddy current probe to pass through; a rear end seal, sealingly connected to the rear end of the pneumatic tube and having an elastic through hole sealingly connected to the connector of the eddy current probe; and a handheld component, fixedly connected to the pneumatic tube for handheld use. In this utility model, the eddy current probe passes through the pneumatic tube, and the rear end seal seals the pneumatic tube to ensure air pressure. After connecting the air source, the eddy current probe can be propelled forward, thereby improving detection efficiency, shortening the detection cycle, and reducing industrial safety risks.

The utility model relates to cable technical field, concretely relates to a kind of pneumatic grabbing robot cable, it includes power unit, communication unit, servo coding unit, pneumatic pipe and power line unit;Power unit, communication unit, servo coding unit and power line unit are twisted into bus cable around pneumatic pipe, form integrated structure with pneumatic pipe as center framework, solve the problem of difficult installation and wiring of cable and pneumatic pipe in prior art;Pneumatic pipe includes pipe body and steel wire, pipe body is corrugated tube, compared with traditional straight pipe, effectively reduce bending radius;Steel wire is spirally arranged, and embedded in pipe body, effectively improve the burst pressure of pneumatic pipe, solve the problem of pneumatic pipe collapse and burst in high-frequency bending of robot, provide stable grabbing force, improve the working efficiency of grabbing robot.

This invention relates to the field of pneumatic pipeline conveying technology and discloses a pneumatic conveying device for powdered organic fertilizer, including a cyclone dust collector and a fan. The cyclone dust collector and the fan are connected by a pipeline. A conveying pipe assembly is provided on one side of the cyclone dust collector. The conveying pipe assembly includes an elbow pipe, and straight feeding pipes are provided at both ends of the elbow pipe. By setting a plastic hose inside the elbow pipe, the fertilizer enters the plastic hose during conveying to achieve deflection. This avoids the fertilizer directly contacting the inner wall of the elbow pipe, which would easily cause the elbow pipe to wear faster. Secondly, to prevent fertilizer from adhering to the inner wall of the plastic hose during conveying, the air pressure inside the elbow pipe can be adjusted by driving the arc-shaped movable plate to raise and lower. By quickly controlling the deformation of the plastic hose, fertilizer particles that may be attached to the inner wall of the plastic hose can be effectively shaken off, effectively preventing material blockage and improving conveying quality.