219results about "Machine sealing rings testing" patented technology

The invention relates to the technical field of sealing ring detection, in particular to a large-size sealing ring automatic feeding detection device and detection method.The large-size sealing ring automatic feeding detection device comprises two sets of elastic traction structures which are installed on a transfer part, and supporting sleeve parts penetrating through the transfer part are installed on the elastic traction structures in a sliding mode; the coaxial wheel sets are rotationally mounted on the two sides of the supporting sleeve piece; the side plate is fixedly installed on the transfer part, a driving plate is installed on the side plate in a sliding mode, a guide groove and a driving groove are formed in the side plate and the driving plate respectively, and a coaxial wheel set can roll in the guide groove and the driving groove; when the driving plate moves upwards relative to the side plate, the supporting sleeve part can be conveyed to the middle of the clamping wheel, and when the clamping wheel is separated from the transfer part, the clamping wheel can push the supporting sleeve part to move reversely and enable the sealing ring to be arranged on the clamping wheel in a sleeving mode, so that the phenomenon that the clamping wheel is disengaged when the rubber ring is tensioned is prevented, and the service life of the sealing ring is prolonged. And the transferring stability of the rubber rings is improved.

The invention discloses a wear test device for reciprocating dynamic sealing of an actuator cylinder, and belongs to the technical field of actuator cylinder sealing wear test equipment.The wear test device comprises a main frame body and a test mechanism movably connected to the main frame body, a replaceable to-be-tested actuator cylinder structure is arranged on one side of the main frame body, and the test mechanism comprises a moving rod; the upper end and the lower end of the moving rod are provided with a limiting assembly and a counterweight assembly respectively, the moving rod is provided with a connecting piece, and the connecting piece is hinged to one end of a piston rod in the actuator cylinder structure to be tested. According to the method, the conventional motion of the output end of the actuator cylinder in a static state and the external non-axial acting force borne by the output end of the actuator cylinder in a dynamic state can be simulated, the reliability of the sealing ring in actual work can be comprehensively evaluated through combination of the two, verification is carried out from multiple dimensions, potential risks can be found, and the requirements of safety specifications in the fields of aviation, industry and the like are better met.

The invention discloses a rubber O-shaped ring compression stress relaxation test device which comprises an O-shaped ring mounting base, four circles of annular grooves are sequentially formed in the center of the O-shaped ring mounting base from outside to inside, a rubber O-shaped ring is arranged in the fourth circle of annular groove, a gasket is arranged above the rubber O-shaped ring, a force measuring sensor is arranged on the gasket, and the force measuring sensor is connected with the O-shaped ring mounting base. The force measuring sensor is tightly connected with the O-shaped ring mounting base through a fixing piece and a plurality of counterbores; the force measurement sensor is in wireless or wired connection with the data acquisition system; two flow guide holes and a temperature measuring hole are formed in the groove bottom of the second ring of annular groove, a temperature measuring sensor is inserted into the temperature measuring hole, the head of the temperature measuring sensor penetrates into the second ring of annular groove, and the tail of the temperature measuring sensor is connected with a thermodetector through a temperature measuring data connecting line; the oil temperature machine is communicated with the two flow guide holes through an oil conveying pipeline, and an oil pump is arranged on the oil conveying pipeline. The environment temperature of the rubber O-shaped ring can be controlled, and the actual working condition of the rubber O-shaped ring in lubricating oil can be simulated.

The invention discloses rubber sealing ring performance detection equipment which comprises a bearing structure, a driving unit, a testing assembly and a force application structure. The driving unit is fixedly arranged on the bearing structure, the testing assembly is fixedly arranged on the bearing structure, and the force application structure is fixedly arranged on the rear side of the bearing structure. Through collaborative design of a driving unit and a bearing structure, a first motor is used for driving a gear to perform meshing transmission, a driving disc is driven to synchronously adjust two pairs of moving seats which are arranged diagonally through an inclined shifting groove, and mounting of bearing rings with different diameters can be flexibly adapted; meanwhile, the pressing ring can be matched with the specification of the bearing ring through a quick disassembly and assembly structure of the locking arm and the clamping and locking unit to realize synchronous replacement, and the detection of the sealing rings with different diameters can be completed without disassembling the whole set of fixture, so that the equipment adaptation range is greatly expanded, and the equipment investment cost of multi-specification detection is reduced.

The invention provides a testing device for an underground sealing element. The testing device comprises a detection part and an input part, a sealing cavity used for simulating the underground environment is formed in the detection part, and an assembling cavity used for assembling a sealing piece and a detection cavity used for detecting leakage are further formed in the detection part. Before the sealing element is assembled, the sealing cavity is communicated with the detection cavity through the assembling cavity. After the sealing element is assembled, the sealing cavity and the detection cavity are separated by the sealing element. The detection part can drive the sealing element to rotate so as to measure the torque of the sealing element. The output end of the input part communicates with the sealing cavity, and slurry under the preset pressure and the preset temperature can be conveyed into the sealing cavity through the input part so as to control the pressure and the temperature of the sealing cavity. And the detection part can also detect the existence condition of slurry in the detection cavity so as to measure the failure leakage condition of the sealing element. The underground environment and the working state of the sealing element can be simulated, so that a large amount of experimental data can be obtained, and the usable time of the sealing element can be accurately mastered in advance.

The utility model relates to the technical field of rubber sealing rings, and discloses an O-shaped rubber sealing ring tension testing device which comprises a base, a mounting groove is formed in the right side of the top of the base, the surface of a lead screw is in threaded connection with a threaded block, and the left end of the top of the threaded block is fixedly connected with a first drag hook. A baffle is fixedly connected to the left side of the top of the base, a tension meter is arranged on the left side of the baffle, a second pull hook is arranged at the right end of the tension meter, a mounting block is fixedly connected to the left side of the top of the base, a threaded rod is in threaded connection with the interior of the mounting block, and a limiting block is fixedly connected to the inner side of the threaded rod. The installation block, the threaded rod and the like are arranged to be matched with the baffle for use, the threaded rod is rotated to drive the limiting block to be separated from the tension meter, locking of the tension meter is relieved, at the moment, a worker can replace the tension meter, operation is easy and convenient, the whole testing device does not need to be replaced, the use cost is reduced, and the worker can use the device conveniently.

The invention belongs to the technical field of floating ring seal testing, and particularly relates to a floating ring seal floating performance testing platform which comprises a carrier plate, supporting plates are fixedly connected to the two sides of the bottom of the carrier plate, a base is arranged on the lower side of the carrier plate, and connecting plates are fixedly installed on the two sides of the top of the base. A support is installed on one side of the top of the carrying plate, a first servo motor is fixedly installed on one side wall of the support, a transmission shaft of the first servo motor movably penetrates through the support and is fixedly connected with a second positioning shell, and a fixing block is installed on the other side wall of the top of the carrying plate. In the testing process, a second lead screw motor is used for driving a second lead screw to rotate, so that a stirring piece can be driven to move in a reciprocating mode, oil liquid on the two sides can be stirred to be mixed, the oil liquid on the two sides in a first positioning shell and a second positioning shell is evenly mixed in the testing process, and the testing efficiency is improved. Therefore, the temperature of two sides is ensured to be consistent, and the test accuracy is prevented from being influenced by over-high local temperature.

The application discloses an aviation graphite sealing assembly O-shaped sealing ring failure simulation device and method, and particularly relates to a method for simulating working environment including oil medium, working pressure, working temperature, working time and part deformation, clamping the O-shaped sealing ring by using the same O-shaped sealing ring clamp as the part structure, putting into a container filled with the same oil medium as the working time, heating according to certain conditions until the O-shaped sealing ring fails, and deducing the possible failure reason of the O-shaped sealing ring, which is suitable for aviation equipment graphite sealing assembly maintenance and fault elimination. The technical method and device overcome the shortcomings that the pressure of the oil medium is not considered and only the single axial deformation of the O-shaped sealing ring is considered in the commonly used GB / T 1690-2010 test method, and can more accurately simulate the O-shaped sealing ring failure critical temperature.

This application discloses a high-pressure pulse sealing test platform, relating to the field of rubber and plastic sealing pulse technology. The high-pressure pulse sealing test platform includes: a test fixture for supporting the seal to be tested; a pressurization system including a large oil tank assembly, the large oil tank assembly having a first pipeline connected to the oil inlet of the test fixture, the first pipeline having a large gear pump set, an accumulator, a servo valve, and a pressurization cylinder arranged sequentially along the direction close to the test fixture; and an oil replenishment system, where oil discharged from the oil outlet of the test fixture is filtered by the oil replenishment system and then delivered to the oil inlet of the test fixture; wherein the degree of leakage of the test fixture is characterized by the change in piston displacement of the pressurization cylinder.

The invention provides an oil seal failure monitoring system and monitoring method for a driving motor and a vehicle, and relates to the technical field of sealing monitoring of driving motors. The system comprises a first data acquisition assembly and a control unit, the data acquisition assembly is arranged on one side, facing a motor cavity, of an oil seal, is adjacent to or in contact with a gap area on the side of a rotating shaft of the motor, and is used for acquiring a first liquid immersion signal of the gap area when liquid intrudes into the motor cavity of the driving motor through the failed oil seal; and the control unit is in communication connection with the data acquisition assembly and is used for receiving the first liquid immersion signal and outputting an oil seal failure early warning signal based on a preset liquid immersion judgment logic. The first data acquisition assembly is directly arranged in the gap area on the inner side of the oil seal, the first liquid immersion signal can be immediately acquired when liquid initially intrudes due to failure of the oil seal, and the control unit gives out early warning based on liquid immersion judgment logic, so that the problem of oil seal failure fault discovery lagging in related technologies is remarkably solved.

The O-ring appearance inspection apparatus of the present invention is an appearance inspection apparatus for inspecting an O-ring K, and includes a plurality of line sensor cameras whose positions and orientations are preset to image-capture the O-ring K, and a holding device that holds the O-ring K and has a head unit rotatable about a rotation axis C1, wherein the holding device sequentially moves the O-ring K to a plurality of image-capturing positions P respectively corresponding to the plurality of line sensor cameras, and rotates the head unit about the rotation axis C1 at each image-capturing position P to rotate the O-ring K in a circumferential direction.

The invention relates to a performance detection device for a marine fastening sealing member, and relates to the technical field of fastening sealing members, the performance detection device comprises a machine body and a detection device, the detection device comprises: a detection cylinder, the top of which is provided with a detection hole; the plugging mechanism is used for plugging the detection hole; the positioning piece I and the positioning piece II are arranged in the detection cylinder and on the plugging mechanism, the two pipe bodies are respectively inserted and mounted on the positioning piece I and the positioning piece II for positioning, and seawater for detection is filled in the detection cylinder; the sealing mechanism is used for sealing the two pipe bodies; the adjusting mechanism enables seawater to submerge the joint of the two pipe bodies and adjusts the pressure of the seawater; and a detection mechanism. The two pipe bodies are connected with the first positioning piece and the second positioning piece in an inserted mode for positioning, the adjusting mechanism is started to drive seawater to submerge the fastening sealing piece, the pressure is adjusted so that the detection environment of the fastening sealing piece can be closer to the actual working condition, it can be guaranteed that the performance of the fastening sealing piece is stable and reliable, and the detection quality and efficiency are improved.

A method and sensor system for monitoring in time a geometric property of a gasket (32, 34) that sealingly interconnects two structural members (20, 21) of a subterraneous or immersed tunnel (10). The system includes a sensor (42) for measuring position indications for surface portions (48) of the gasket relative to a reference (26, 27, 47) associated with one or both structural members, and a processor (44) that is coupled with the sensor to receive the position indications. The processor is configured to derive indications of displacement (ΔΥ) for each of the gasket surface portions based on the measured indications of position, to compare the indications of displacement for each of the gasket surface portions with at least one threshold value (Ty), and to generate a warning message for an operator if at least one of the indications of displacement transgresses the at least one threshold value.

To provide a deterioration determination device, a deterioration determination system and a deterioration determination method capable of accurately determining whether or not a seal device of a rotary machine has deteriorated.SOLUTION: A deterioration determination device determines whether or not a seal device of a rotary machine has deteriorated. The rotary machine includes: a rotor; a bearing that rotatably supports the rotor; a bearing housing that surrounds the bearing; a seal air supply pipe that defines a seal air supply passage for causing seal air to be supplied to the bearing housing to flow; and a casing that surrounds the bearing housing. The casing separates the bearing housing from an external space filled with high-temperature high-pressure gas having a higher temperature and higher pressure than those of the seal air, and includes an inner peripheral surface on which the seal device is disposed in a space between an outer peripheral surface of the rotor and itself. The deterioration determination device is configured to determine that the seal device has deteriorated when first pressure corresponding to pressure in a first space formed between the casing and the bearing housing is larger than second pressure corresponding to pressure in a second space formed on the inner side of the bearing housing.SELECTED DRAWING: Figure 3

The embodiment of the invention discloses a reliability test device for a sealing ring. A plurality of first mounting grooves and second mounting grooves are formed in the first end face of a shell in the device at intervals; the reliability verification of the radial sealing structure is carried out through the sealing rings of various specifications which are radially mounted on the product A and the product B; a plurality of third mounting grooves are formed in the second end face at intervals, each product C is mounted in the corresponding third mounting groove through a pressing sleeve, and reliability verification of the end face sealing structure is carried out through a sealing ring arranged on the contact face of the pressing sleeve and the shell and a sealing ring arranged on the contact face of the pressing sleeve and the product C; a thread chamfer joint groove is formed in the third end face and is used for sealing the pipe joint through a thread chamfer to be mounted in the thread chamfer mounting groove; the second end face is further provided with a plurality of thread chamfer mounting grooves used for a pipeline plugging product D, and the thread chamfer mounting grooves are used for carrying out reliability verification on the thread chamfer sealing structure.

A sealed compression measurement method, a storage medium and an equipment relate to the technical field of automation detection, and solve the problems of low efficiency and poor measurement accuracy of the existing manual measurement method. The method comprises the following steps: S1, fitting models of a measured sealing element and a measurement reference element in a free state according to actual assembly positions of the measured sealing element and the measurement reference element, and cutting two-dimensional sections of the measured sealing element and the measurement reference element; S2, marking the measured sealing element and the measurement reference element; S3, capturing an intersection of the measured sealing element and the measurement reference element; S4, establishing a measurement reference surface of the measurement reference element; S5, capturing a farthest point i of the measured sealing element on a side compressed to the reference surface; and S6, measuring a minimum distance of the point i to the measurement reference surface, that is, a compression amount.

The invention relates to a method for monitoring a mechanical seal within a rotating machine, in particular a pump, with at least one temperature sensor arranged within the machine for detecting the ambient temperature and / or at least one component of the mechanical seal, wherein the rotational speed of the rotating machine is estimated by means of the at least one temperature measurement value and at least one further operating parameter of the mechanical seal.

The utility model discloses a plate heat exchanger sealing gasket high temperature resistance detection device, which belongs to the technical field of sealing gasket detection and comprises a workbench, a detection box is fixedly mounted on the top surface of the workbench, a heating box is fixedly mounted on one side surface of the detection box, and a box door is hinged to the other side surface of the detection box. A storage rack is fixedly mounted in the detection box, an air suction cooling assembly is arranged on one side of the detection box, and a spraying cooling assembly is arranged at the bottom of the detection box; according to the utility model, through the design, cold water spraying is carried out on a detected sealing gasket, so that the sealing gasket is rapidly cooled, subsequent workers can conveniently take out the sealing gasket, the detection efficiency of the device is improved, meanwhile, sprayed water flow can be recycled again, waste of resources is avoided, and the device is suitable for popularization and application. The production cost is reduced to a certain extent, the use is simple and convenient, and the practicability is high.

The utility model discloses rubber sealing ring performance detection equipment which comprises an assembly processing table, assembly grooves are formed in the two sides of the outer side wall of the assembly processing table, assembly sliding blocks are connected into the assembly grooves in a sliding mode, an assembly support is fixedly connected between the two assembly sliding blocks, an assembly transverse plate is arranged below the assembly support, and the assembly transverse plate is fixedly connected with the assembly sliding blocks. The top of the assembling support is fixedly connected with two assembling air cylinders. According to the utility model, the connecting slide block is driven by the connecting block to slide along the interior of the connecting groove, and then the connecting slide block also drives the connecting abutting plates to move, so that two connecting abutting plates and the other two connecting abutting plates abut against two sides of a material and then test processing is carried out, and different devices do not need to be replaced; and wear resistance testing is carried out on materials of different specifications after fixation, so that the use effect is improved.

The invention discloses a pressure test device and method for a sealing gasket of a nuclear main pump, and the device comprises an annular cover plate and an annular pedestal which are connected through a fastener. The inner gasket groove and the outer gasket groove are formed in the interface of the cover plate and the base; the first ring groove is formed between the inner gasket groove and the outer gasket groove, and the first ring groove is communicated with at least two first channels penetrating through the cover plate; the second ring groove is formed in the inner side of the inner gasket groove, and the second ring groove is communicated with at least two second channels penetrating through the cover plate; the first sealing groove is formed between the first ring groove and the inner gasket groove; the second sealing groove is formed in the inner side of the second ring groove; in different test methods, the first sealing groove or the second sealing groove can be provided with a sealing ring, the first channel or the second channel can be connected with a supercharging device and used for pressure test detection of the primary sealing gasket and the secondary sealing gasket, and the device can truly simulate the real use state of the sealing gasket and carry out a full-size test.

The invention provides a metal sealing ring performance testing machine, and relates to the field of sealing element testing equipment. The metal sealing ring performance testing machine comprises a rack, a testing device and a lifting driving device, the testing device comprises a first testing seat assembly and a second testing seat assembly which are oppositely arranged, and a sealing cavity for containing a metal sealing ring is formed between the first testing seat assembly and the second testing seat assembly. The first testing seat assembly and the second testing seat assembly are provided with a preset number of liquid guiding ports, the liquid guiding ports are used for testing liquid to enter and exit from the sealing cavity, and the lifting driving device is used for driving the first testing seat assembly and the second testing seat assembly to move relatively. The device is simple in structure and convenient to disassemble and assemble, the sealing cavity can be matched with metal sealing rings of different sizes and models, whether the performance of the metal sealing ring meets the requirement or not is reflected through the leakage rate of the metal sealing ring, and the testing effect is good.

The utility model discloses a kind of electronic cigarette silica gel sealing ring elasticity tester, the tester includes tensile drive mechanism, tensile fixture and temperature simulation mechanism.Tensile drive mechanism is moved by screw rod rotation to drive movable beam, and then realize the tensile operation to silica gel sealing ring, and tensile force sensor can record tensile force data during movable beam movement.Tensile fixture is used to firmly hold silica gel sealing ring, to ensure the accuracy of tensile test.Temperature simulation mechanism can generate hot air and blow to the silica gel sealing ring being stretched, simulate different temperature environment.Through the tester, electronic cigarette silica gel sealing ring can be carried out elasticity test under the temperature condition set, comprehensively assess its elasticity performance under different temperatures, provide reliable basis for the research and development, production and quality control of electronic cigarette sealing ring.

The application relates to a device for measuring the performance of a metal sealing ring for spent fuel storage under high-temperature conditions, which comprises a test container, a double sealing ring, a heating assembly and a leak detection device; the test container comprises a container body, a cover and a partition plate; the cover is arranged on the container body and is connected in a sealing mode through the double sealing ring to form an accommodating space inside; the partition plate is arranged in the accommodating space and divides the accommodating space into a first space and a second space which are independent of each other; the first space is close to the cover; the heating assembly is arranged in the second space; and the leak detection device is communicated with the gap between the double sealing rings through the communication hole of the cover. The double sealing ring is directly installed on the test container, the heating assembly arranged in the second space is used to heat the first space and the double sealing ring, the actual use condition of the spent fuel storage container is more met, the leak is measured in real time through the leak detection device, the sealing performance of the double sealing ring under the working condition is obtained, and the measurement result is more accurate.

The utility model relates to an engine rubber sealing element detection device, comprising an annular seat, the inner side of the annular seat is rotatably provided with a rotating disc, and the outer surface of the annular seat is provided with a driving mechanism capable of driving the rotating disc to intermittently rotate at equal angles; a plurality of fixing columns are coaxially mounted on the upper surface of the rotating disc at equal angles, conical columns are mounted at the tops of the fixing columns, and heating rings are arranged on the outer surfaces of the fixing columns; and through holes are jointly formed in the fixed column and the conical column, a detection mechanism is installed at the bottom of the annular base, and a connecting mechanism enabling the multiple through holes to communicate with the detection mechanism is arranged on the lower surface of the rotating disc. According to the sealing ring detection device, the driving mechanism drives the rotating disc to rotate in an equal-angle clearance mode, so that in the sealing ring detection process, an inspector can take sealing rings from other fixing columns, the waiting time consumed by manual taking is eliminated, the detection efficiency is improved, the risk that the hands are clamped is avoided, and safety is high.

The application relates to the technical field of compression performance detection, and discloses a rubber sealing ring compression performance detection device and a detection method thereof. The device can be matched with the rubber sealing ring to form detection of multiple states such as compression, tension and rolling, the application state simulation of the rubber sealing ring is more abundant, the detection data is more complete, the overall structure of the device is relatively simple, the device is more practical and reliable, and the device comprises a compression mechanism and a main body mechanism. The main body mechanism comprises a supporting frame, a mounting frame and a mounting plate. The mounting frame and the mounting plate are fixedly connected. The mounting frame is fixedly connected to the top end of the supporting frame. The compression mechanism comprises a supporting roller and a pressing roller. The supporting roller is installed between the mounting frame and the mounting plate through a height adjusting assembly. The pressing roller is installed between the mounting frame and the mounting plate through a driving position adjusting structure. Two side supports are connected to the driving position adjusting structure. Visual cameras are installed on the two side supports. Cutting side support assemblies are installed on the two sides of the supporting frame.

The invention discloses a silica gel product appearance detection device, and belongs to the field of silica gel product detection. A silica gel product appearance detection device comprises a simulation bin, the top of the simulation bin is fixed and communicated with an initial detection bin, the bottom of the simulation bin is fixed and communicated with a final detection bin, material guide channels of the initial detection bin and the final detection bin are obliquely arranged, the silica gel product appearance detection device further comprises a material fixing plate, and the material fixing plate is fixed to the oblique upper end of the initial detection bin; according to the invention, through mutual cooperation of extrusion plates on two groups of transmission belts, applied pressure load effect and cooperation of a magnetic plate, a rubbing plate and a first spring, reciprocating rubbing can be carried out on a silica gel ring, so that complex stress simulation is carried out, and continuous dynamic pressure change is utilized to simulate the stress of the silica gel ring. The performance of the silica gel ring under multiple cyclic loads is known, whether the silica gel ring can maintain an effective sealing function for a long time or not is judged, then the durability of the silica gel ring is detected, the detection effect is effectively improved, and the quality of a final product is ensured.

The application provides a sealing ring performance detection device of an injection needle, which comprises a support, a moving frame, a driving mechanism, a first force receiving part, a second force receiving part and a tension meter; when the tension meter moves upward, the first force receiving part drives the needle core to move upward, and at this time, the data of the tension meter is observed to realize the detection of the friction; when the tension meter moves downward, the supporting force of the needle core on the first force receiving part is converted into the pulling force of the second force receiving part on the tension meter through the transmission mechanism, so that the detection of the friction generated by the tension meter during the process that the needle core is pushed into the needle cylinder is realized; therefore, during the reciprocating movement of the needle core on the needle cylinder, when the value displayed by the tension meter deviates from the threshold value too much, the number of reciprocating movements accumulated by the needle core is the reference value of the service life of the injection needle; the application realizes the detection of the service life of the sealing ring, reduces the maintenance and replacement frequency of the detection device and the cost of the detection device through the tension meter which is low in price and simple in structure.