36results about How to "Realize leak detection" patented technology

The invention relates to the technical field of beer production, in particular to a detection system of a wine production line. According to a detection system suitable for a wine filling production line, the detection device arranged on the filling production line is adopted to detect a filled beer bottle body and remove bad quality products which are not enough in filled material and unqualified in liquid level. The detection device comprises a liquid level detection device body for detecting the interior of a bottle, a sealing detection device body for detecting the air tightness of a bottle cover, and a bottle body detection device body for detecting the bottle body, a bottle neck, the joint of the bottle body and the bottle bottom and the bottle bottom. By means of the technical scheme, compared with the detection mode of a traditional wine filling production line, the detection precision is improved, false detection in the manual detection procedures is avoided, the detection quality is improved, the detection interval time is effectively shortened, and the working efficiency of the production line is improved.

The invention relates to a neglected loading detection mechanism for parts. The mechanism comprises a bracket seat, a push rod and a proximity switch. The bracket seat comprises a base plate and a vertical plate. The push rod is vertically threaded in an installation hole in the base plate and can freely move in the vertical direction. The proximity switch is installed on the vertical plate of the bracket seat. A magnetic part on the upper part of the push rod after moving upwards is opposite to the proximity switch in a detection area. The peripheral dimension of the magnetic part is greater than that of the installation hole of the base plate. Position of the push rod is controlled through a part to be detected, so that the magnetic part on the upper part of the push rod controls the proximity switch to switch on and off, therefore, not only can parts made of metal materials be detected, but also parts made of non-metal materials can be detected. Neglected loading detection of parts of a product is realized, and the mechanism is simple in structure and small in occupied space, and can be installed and used in a smaller space. The mechanism is low in manufacturing cost, the using and maintenance cost is also greatly lowered. The mechanism is strong in adaptability and can meet modern production demand.

The invention relates to a housing part (14) for an electrical or electronic device, in particular for an electrical plug connector part (1), which comprises a moisture-tight chamber (146) surroundedby a wall (144). The housing part (14) has an inspection point having an opening (141) that opens into the moisture-tight chamber (146) and a membrane element (143) that covers the opening (141) and that can be pierced by a hollow needle (61) of an inspection device (6). In this way, a housing part that enables a tightness inspection in a simple manner is provided.

The invention provides an earth and rockfill dam time-domain electric field monitoring system and a precise imaging method, and belongs to the technical field of real-time monitoring of earth and rockfill dam leakage safety problems. The monitoring system comprises a communication cable, a drilling cable, a drilling electrode, an integrated electrical method host, a data acquisition and processingplatform and the like; earth and rockfill dam earth electricity information is transmitted to the input end of the communication cable through the drilling cable, then transmitted to the integrated electrical method host through the output end of the communication cable and finally transmitted to the data collecting and processing platform. The precise imaging method comprises data observation and data inversion imaging. According to the monitoring system, a transverse, longitudinal and time-direction three-direction dynamic observation layout is applied, a dam body multi-hole measuring linecombined observation method is combined, real-time accurate imaging of a geoelectric field can be achieved, complete coverage type monitoring of the earth and rockfill dam is facilitated, one-time arrangement is achieved, the service cycle is long, and mass data can be obtained compared with a traditional method; according to the observation system, the time shifting electrical method technology is applied to normalized monitoring of the earth and rockfill dam, and breakthrough of the monitoring and detection integrated technology can be achieved.

The invention discloses air leakage detection and resealing equipment for beer bottle caps. The air leakage detection and resealing equipment comprises a placement block, wherein a placement cavity with a leftward opening is formed in the placement block; a shaking mechanism is arranged in the placement cavity and comprises a clamping sliding block fixing block fixedly connected with the inner wall of the lower side of the placement cavity; a weight sensing sliding chute is formed in the placement cavity; a weight sensing sliding block which is in sliding connection with the weight sensing sliding chute is arranged in the weight sensing sliding chute; and a weight sensing fixing block which is in fixed connection with the weight sensing sliding chute is arranged on the inner wall of the lower side of the weight sensing sliding chute. The air leakage detection and resealing equipment is provided with a plurality of detection devices, so that air leakage detection can be performed on boxes of beer; and when the beer is slightly shaken, the air-leaked beer bottle caps can be compacted again through air generated by air leakage, so that whether multiple bottles of beer leak air or notcan be detected, and the air-leaked beer can be resealed.

The stainless steel multifunctional meter front valve comprises a valve body, a valve bonnet and a valve rod, a sealing joint is arranged at the lower end of the valve rod, a mounting bayonet is formed in the lower end of the sealing joint, an elastic sealing valve ring is arranged in the mounting bayonet, a metal valve element is mounted on an inner hole of the elastic sealing valve ring in a matched mode, and the metal valve element is detachably and fixedly connected with the sealing joint. A valve cap is arranged in the valve body, a lever is arranged above the valve cap, an eyelet bolt used for adjusting the distance is arranged between the lever and the valve body, a pressure detection opening is formed in the exposed side wall of the valve cap, a pressure sensor is installed on the pressure detection opening, and a pressure channel communicated with the valve cavity is arranged between the pressure detection opening and the lower end face of the valve cap. The lever is driven to rotate by rotating the swing bolt, the valve rod is driven to ascend and descend, opening and closing of the valve are achieved, the problems that opening and closing of the valve rod are strenuous, abrasion is prone to occurring, and the sealing effect is poor are solved, downstream pressure detection control is achieved, and the pressure reduction proportion of the valve is easy to control.

The invention discloses a scheduling attendance method based on VBA and C #, and the method comprises the following steps: s1, completing the generation of an original scheduling table through a scheduling table generation system, wherein the scheduling table generation system is an Excel table comprising a VBA automatic operation program; s2, completing mapping from an original scheduling table in an Excel format to a scheduling table in a Word format and statistics of workloads through a scheduling table processing system, and completing construction based on Visual C # by the scheduling table processing system; and s3, by loading the scheduling table and the clock-in information table, enabling the attendance management system to complete management of attendance personnel, management of attendance data and statistics of late and missing card information, wherein the clock-in information table is collected and generated by the clock-in device. All the steps are clear, compared withmanual scheduling, manpower is saved, and the problems of repeated scheduling and missing scheduling in manual scheduling can be solved.

The invention relates to a machine tool spindle oil cooling area sealing performance detection device which comprises a first connector used for being connected with a cooling oil outlet below an upper sealing ring of a spindle oil cooling area and a second connector used for being connected with a cooling oil inlet above a lower sealing ring of the spindle oil cooling area. The other end of the first connector is connected with a first air pipe, and the other end of the first air pipe is connected with a one-way valve. The other end of the second connector is connected with a second air pipe, and the other end of the second air pipe is connected with a pressure valve. The other end of the one-way valve is connected with the air source. According to the invention, the sealing performance of the oil cooling area of the main shaft can be rapidly, conveniently and accurately detected, the problem of factory repair caused by air leakage and oil leakage is effectively avoided, and the performance reliability of a whole machine tool and the quality of a product are improved.

The invention relates to a method for detecting the leakproofness of a broadside suction port of a trailing suction ship, a pressure gauge is mounted at the bottom of a pipeline between the broadside suction port and a suction port gate valve, and different detection methods are adopted for detecting the leakproofness of the broadside suction port under the conditions of positive pressure and negative pressure borne in the pipeline at the broadside suction port. According to the invention, only the water suction pump and equipment of the trailing suction ship are utilized, docking or diving operation is not needed, and shore-based support is not needed, so that sealing detection of the side suction port of the trailing suction ship under two conditions of positive pressure and negative pressure can be realized; the pressure relief rate index is used as an evaluation index of the leakproofness of the broadside suction port, the pressure relief rate index is easy to calculate and obtain, and a scientific evaluation method is established for leakproofness detection of the broadside suction port; the detection method is accurate, high in operability, high in detection efficiency and high in safety, the trailing suction dredger can detect the suction port on the other side during single-rake construction, and construction and detection of the trailing suction dredger are achieved.

The invention relates to the technical field of machinery, in particular to buffer nail assembly tool. The buffer nail assembly tool is characterized in that a left guide pillar and a right guide pillar are arranged in a frame, a press-in air cylinder module, a clamping air cylinder module and a stretching air cylinder module are arranged along the guide pillars from top to bottom, a plurality of pressing heads of buffer nails are arranged on the lower surface of the press-in air cylinder module, a shell body positioning mould is arranged above the clamping air cylinder module, the press-in air cylinder module controls the pressing heads to move up and down along the guide pillars, and the stretching air cylinder module controls the clamping air cylinder module to move up and down along the guide pillars. Compared with the prior art, the buffer nail assembly tool utilizes an automatic assembly mode, achieves a series of functions such as automatic assembly of the buffer nails, neglected assembly of the buffer nails and in-place assembly detection by automatically controlling a press-in air cylinder, clamping air cylinders, a stretching air cylinder and a photoelectric sensor through a PLC, improves stability in the assembly process, has the effect of reducing scrapping of the product, is easy and convenient to operate and lowers work strength of operating personnel.

The present invention provides a tightness detection device which is formed by a detection mechanism and a control system. By using the 'pressure drop method' detection principle, a detected iron box is placed in an openable sealed box, then the sealed box is closed, an interlayer space is pumped to be vacuum, a pressure difference with the inner cavity of the iron box, and the tightness of the iron box is evaluated through measuring the interlayer space pressure change value in a predetermined time. Through adding a comparison tank with the approximate volume of the interlayer space, a detection process is divided into two steps, the first step is forming pressure balance in the comparison tank and the interlayer space and using a balanced pressure value to judge whether a large flow leakage condition exists, and the second step is using the 'pressure drop method' to detection a small leakage condition. The tightness detection device provided by the invention is used in a bullet automatic package production line, the online lossless detection of the tightness of the iron box can be realized, and the tightness detection of a national standard iron box and an American standard iron box can be realized through replacing a mold.

The invention is suitable for the technical field of object sealing performance detection, and provides a sealing performance detection method based on an optical coherence tomography system and a terminal. The sealing performance detection method comprises the following steps: obtaining the interference signal of the outer surface of a to-be-detected object collected by using an optical coherencetomography system; and processing the interference signal to obtain the structure image of the outer surface of the to-be-detected object, carrying out sealing performance analysis on the structure image, and judging whether the to-be-detected object is an object with a good sealing performance or not, thereby realizing sealing performance detection of the to-be-detected object.

The invention discloses a high-position intake pipe airtightness detection device, which relates to the technical field of auto parts production, comprising a base, a translational drive mechanism is provided on a moving frame, and clamping seats are fixedly connected to the adjacent sides of the fixed seat and the moving frame , the top of the fixed seat is fixedly connected to the top support frame, the top of the top support frame is fixedly connected to the fixed top frame, the top of the fixed top frame is fixedly connected to the partial pressure adjustment device, and an air compressor is provided on one side of the partial pressure adjustment device. The output end of the output end is fixedly connected to the first air pipe, the second air pipe is fixedly connected between the partial pressure adjusting device and the air guiding channel, and the air guiding pipe is fixedly connected to the air pressure display device. For the air-tightness detection of the intake pipe, the air pressure display device can be used to display the air leakage of the high-position intake pipe, and it can also display the air leakage speed. The detection effect of the high-position intake pipe is good and the detection result is accurate.

The invention discloses a large-diameter pipe sealing performance detection device, which includes: a cylindrical body; respectively surrounds the two ends of the cylindrical body, and after inflated, contacts with the inner wall of the pipe to be tested and is in contact with the cylindrical body The outer wall of the pipe to be tested and the inner wall of the pipeline to be tested form two annular airbags with a closed cavity; the air hole opened through the annular airbag is the air pump for inflating the annular airbag; the first through hole opened through the cylindrical body is the air pump for the said annular airbag A booster pump for water injection and pressurization in the airtight cavity; several sector blocks that are respectively arranged on the two end faces of the cylindrical body and can prevent the annular airbag from detaching from the cylindrical body after water injection and pressurization in the airtight cavity plate. The invention discloses a method for detecting the sealing performance of a large-diameter pipeline by using the above-mentioned large-diameter pipeline sealing performance detection device. By using the above-mentioned device and method, the sealing performance test of pipelines under high water pressure can be realized, and it is applicable to the sealing performance test of various large-diameter pipelines.

The invention relates to the technical field of oil and gas pipeline plugging performance detection, and discloses a performance analysis test system and method for pipeline plugging robot slips and rubber cartridges. The test system includes an electrical signal control module, a three-stage pressure regulation module, and an anchoring force test Module, positive pressure output module, anchor plugging performance test module, gas path simulation module and liquid path simulation module. The invention effectively converts the hydraulic pressure into mechanical thrust, thereby applying load to the anchor slips and the rubber cylinder; during the test, it can record and verify whether the slips are anchored and the seal of the rubber cylinder is good; the external connection sleeve, the central support The pipe can be connected with different types of outer casing and inner casing, so as to detect the plugging and anchoring performance of different types and structures of pipeline intelligent sealing robots; the gas circuit simulation module and the liquid circuit simulation module realize the intelligent The simulation of the full working conditions of the sealing robot's working pipeline; the test system can be disassembled and replaced, providing a test platform for the occluder of the intelligent pipeline sealing robot.

The invention discloses a hydrogen energy equipment testing system and testing method. The test system uses helium as the test medium, and the helium storage device supplies gas to the test system. The gas unloading cabinet, compressor, hydrogen storage cylinder group, and hydrogenation machine are in working condition, and the helium gas passes through the helium gas supply cylinder and the gas unloading cabinet. , compressor, hydrogen storage bottle group, hydrogenation machine, helium filling bottle, and finally to the helium gas supply bottle to form a gas circuit cycle to realize the test of hydrogen energy equipment. The molecular weight of helium is small, and the test result is more accurate , which is superior to nitrogen detection. Through this system, not only can gas leakage detection be realized, but also helium can be recycled. After the detection is completed, hydrogen is used to drive out the helium in the detection system, and then the magnesium-based hydrogen storage tank is used to absorb the helium. Hydrogen in the mixed gas, then recover the helium, and then use nitrogen to drive out the hydrogen in the detection system, then use the magnesium-based hydrogen storage tank to absorb the hydrogen in the mixed gas, and then recover the nitrogen to improve the detection accuracy. The cost of using helium is greatly reduced.

The invention discloses a passive optical fiber detection method. An optical splitter is included, reflected light of the detection light is transmitted to the fault detection device through the branch optical fiber, the shunt router, the multimode coupler, the shunt coupler and the trunk optical fiber in sequence; the fault detection device carries out optical fiber fault detection according to the detected reflected light, the optical splitter works through a backward Rayleigh scattering signal generated in the detected optical fiber, and the test items are the length of the optical fiber, the attenuation of the optical fiber, the fault point of the optical fiber and the joint loss of the optical fiber. All optical fiber faults, including branch optical fibers, of the passive optical network are detected at the OLT; according to the invention, the operation and maintenance cost of an operator can be greatly reduced, the construction of a flexible optical transmission network is facilitated, users can share optical fibers and OLT optical transceiver equipment, the sealing detection of a plurality of passive optical fiber sensors is realized, the design is novel, and a good innovative scheme is provided.