9results about How to "Avoid pressure leakage" patented technology

The invention discloses a reactor cabin structure internal pressure-bending combined load test device and a test method thereof.The device comprises a test module, the test module comprises a test section, a first transition section and a second transition section, and the test section is provided with a first pressure cabin and a second pressure cabin; the internal pressure loading module comprises a water tank and a pressure pump; the bending loading module comprises a first vertical loading mechanism and a second vertical loading mechanism; the bottom supporting module comprises a first supporting mechanism and a second supporting mechanism; and the measuring module comprises a first pressure sensor, a second pressure sensor and a pressure gauge. According to the invention, the internal pressure loading module and the bending loading module are used for simulating the load of the pressure chamber structure under dual accident conditions, the structural response under the condition of superposition of different internal pressure loads and different bending loads is known, and the safety and reliability of a chamber section model of the pressure chamber structure under the accident conditions are analyzed.

The invention discloses a CLT wood structure flexible gluing press based on wood yield strength and a pressing method. The CLT wood structure flexible gluing press comprises a hydraulic flow distribution system containing a multi-wood yield strength data set, a first hydraulic transmission assembly, a second hydraulic transmission assembly, a pressing plate and a flexible gluing pressing block. The flexible gluing pressing block comprises a fixed rod, a control rod and a pressing block; a hemispherical convex block at the bottom end of a fixing rod can rotate in a hemispherical groove of a pressing block, a pressure sensor detects the liquid pressure in a second hydraulic transmission assembly, and a controller in a hydraulic flow distribution system supplies flow to the second hydraulic transmission assembly according to the liquid pressure detected by the pressure sensor and the multi-wood yield strength. And it is guaranteed that the pressure of liquid in each second hydraulic transmission assembly is consistent, and meanwhile plastic deformation, caused by too large pressure, of the cross-laminated wood is avoided. By means of the flexible gluing pressing block, the pressing block body can be replaced more conveniently and rapidly, the daily maintenance time and cost are saved, and the phenomenon of pressure leakage can be solved.

The utility model relates to ecological slope covering technology field, and disclose a kind of intelligent ecological scene closing slope covering compaction device, including mobile base, and the movable wheel outer surface of its bottom two sides is equipped with protrusion, can enhance the grip of in the slope topography, guarantee device stable movement to work area, protective shell is installed on the isolation support plate of mobile base top end, and the hydraulic cylinder of inside symmetrical arrangement is connected with guide isolation plate by piston shaft, guide block and guide groove sliding fit, ensure that the process of pressing accurate and stable, compaction component is installed in the bottom of guide isolation plate, and hydraulic cylinder promotes guide isolation plate to move down, and compression reset spring makes covering compaction roller contact covering, and continuously pressurizing enhances compaction effect, covering compaction roller can rotate and roll compaction, meet topography undulation, telescopic column and reset spring synergistic effect, realize self-adapting and fitting compaction, hydraulic cylinder contracts, and lifting compaction roller under the action of reset spring, it is convenient for device to change scene, efficiently complete slope covering compaction work.

The utility model discloses a kind of can improve mute cotton bonding's compression device, it is related to tire manufacturing technical field, including device table, fixed component is arranged in device table upper surface middle part, compression component is arranged above fixed component, the compression component includes fixed rod, the fixed rod is commonly provided with several and respectively with device table upper surface two sides fixed connection, all the fixed rod upper end fixedly connected with mounting plate, hydraulic lifting column is fixedly connected in the middle part of mounting plate.The utility model is provided with compression component, under the premise of not influencing existing process, increase laser ranging sensor detection opening position, opening position is detected by sensor numerical fluctuation;Adjust measurement ranging laser position distance from press roll angle difference, increase press roll compression angle coverage, prevent leakage pressure;Compression process simplifies too much redundant action, optimization program action, through improving optimization mute cotton bonding effect and be improved.

The utility model discloses a manipulator structure for conveying a workpiece of a vacuum coating machine, which comprises a tail end base, an adsorption component is arranged on the tail end base in a linear array, the adsorption component comprises a suction head, a mounting seat and a deformation block, the suction head is fixedly connected with the mounting seat, and the deformation block is fixedly connected with the mounting seat. And the mounting seat is positioned in a movable cavity formed in the mounting part of the tail end base to do piston motion so as to enable the suction head to move vertically. According to the manipulator structure, the adsorption assembly on the tail end base is utilized, the communication hole of the suction head is blocked by the workpiece so that the interior of the movable cavity can be closed, the deformation block is deformed and bent through vacuum negative pressure, and the mounting base drives the suction head to vertically lift under the tensile force of the deformation block and the negative pressure; and the suction head with the higher horizontal height can be adsorbed to the surface of the workpiece due to the lifting of the suction head with the lower horizontal height, so that the adsorption fixing stability of the suction head to the workpiece is improved, and the problems that the suction head with the higher horizontal height cannot be attached to the surface of the coated workpiece, pressure leakage is avoided, and the adsorption stability is reduced are solved.

The utility model discloses a boiler deashing assembly which comprises a boiler body, a compressed air supply assembly and a pressure measuring piece, the lower end of the boiler body is a settling chamber, the lower end of the settling chamber is provided with an ash discharge port, and the side wall of the settling chamber is provided with a purging interface and a pressure tapping interface which are distributed at intervals up and down. The purging interface is communicated with an air outlet of the compressed air supply assembly, a first valve is arranged at the communication position of the purging interface and the compressed air supply assembly, the purging interface and the pressure tapping interface are both communicated with the pressure measuring piece, and a second valve is arranged at the communication position of the purging interface and the pressure measuring piece. The device is simple in structure, whether dust is accumulated in the settling chamber or not and the height of the accumulated dust can be conveniently detected, and meanwhile, the accumulated dust can be purged and discharged.

The invention is specially suitable for semiconductor equipment, more particularly relates to the technical field of photovoltaic panel production equipment, and discloses a photovoltaic panel inner core efficient adsorption and separation device which comprises a hollow pipe, a first adjusting part is arranged on the hollow pipe and comprises a pipe sleeve, the pipe sleeve is slidably arranged on the hollow pipe in a sleeving mode, two sliding grooves are formed in the pipe sleeve, and the two sliding grooves are communicated with the hollow pipe. Wherein an electric push rod is installed in one sliding groove, a positioning beam is installed on the pipe sleeve and is of a U-shaped structure, the two lug ends of the positioning beam are connected with tooth arms, a control part is arranged on the hollow pipe and comprises an installation sleeve, the installation sleeve is arranged on the hollow pipe in a sleeving mode, an installation disc is further arranged on the hollow pipe in a sleeving mode, and the movable end of the electric push rod is fixedly connected with the installation disc. Two fixed rods are symmetrically connected to the hollow pipe, the measuring part is adopted based on a triangulation method, automatic positioning calibration is achieved through laser-PSD cooperation, manual visual inspection or mechanical limiting is replaced, adsorption point deviation can be corrected in real time, and edge abrasion caused by inclined collision of the inner core is avoided.

The invention relates to a quick flowback bridge plug which comprises a base, a central pipe and a conical seat, a slip is arranged between the base and the conical seat, the slip is arranged outside the central pipe, one end of the central pipe is connected with the conical seat, the other end of the central pipe is connected with the base, and a plurality of flowback holes are formed in the base. According to the invention, the operation efficiency of the underground flowback fluid of the bridge plug can be improved, and the stability and reliability are high.

This invention discloses an edge-fitting detection method and system based on the pose calculation of a dual-body articulated road roller, relating to the field of automatic control technology for engineering machinery. It aims to solve the trajectory inconsistency problem in edge-fitting operations of articulated vehicles by establishing a vector kinematic chain model. The invention includes constructing a vector geometric model of the articulated road roller; obtaining the global coordinates of the articulation point based on the position information of the GNSS positioning antenna and the independent heading angle of the front frame, and determining the pose of the rear frame; determining the global coordinates of the tangent points of the front and rear steel wheels based on the independent heading angles of the front and rear frames, generating a dynamic operating envelope for the current moment; identifying the point in the dynamic operating envelope closest to the preset operating boundary as a key point, and using the distance between this key point and the preset operating boundary as the effective edge-fitting deviation. This invention can accurately describe the independent motion state of the front and rear frames and can calculate the position of the steel wheel edges in real time, improving the safety and accuracy of edge-fitting operations.