CN114543981A - Application of epoxy gasket, vibration testing system of epoxy gasket and testing method - Google Patents
Application of epoxy gasket, vibration testing system of epoxy gasket and testing method Download PDFInfo
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- CN114543981A CN114543981A CN202210185225.3A CN202210185225A CN114543981A CN 114543981 A CN114543981 A CN 114543981A CN 202210185225 A CN202210185225 A CN 202210185225A CN 114543981 A CN114543981 A CN 114543981A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C5/00—Equipment usable both on slipways and in dry docks
- B63C5/02—Stagings; Scaffolding; Shores or struts
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- Ocean & Marine Engineering (AREA)
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Abstract
The invention provides an application of an epoxy gasket, a vibration testing system of the epoxy gasket and a testing method of the epoxy gasket. The weight of the counterweight weight can be adjusted to simulate the load of various types of equipment in real time, the form and the size of the base panel and the lower base can be properly modified to simulate the actual installation state of various types of equipment, excitation sources with different types and specifications can be prepared to simulate the excitation frequency of the operation working conditions of different types of equipment, the measuring point arrangement of the sensor can be flexibly distributed to realize the vibration performance test of different types of materials or equipment, and the counterweight weight balance weight has wide application range.
Description
Technical Field
The invention relates to the technical field of ship construction, in particular to application of an epoxy gasket, and a vibration testing system and a vibration testing method of the epoxy gasket.
Background
Large equipment for ships is generally accurately mounted on a base panel through steel adjusting shims, and the purpose of the adjusting shims is mainly to adjust the position of the equipment so as to accurately position the equipment. The preparation of the steel gasket is one of the most important works during the installation of equipment, but the steel gasket has the problems of more machined surfaces, large scraping workload, single stress of the metal gasket, complex stress of a foot bolt, high heat conduction speed, poor vibration isolation performance, long construction period and the like. Especially for beveled base panels, the process of adapting the steel shim is more complicated.
Therefore, a new gasket is needed to replace the application of steel gaskets on ships.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides an application of an epoxy gasket, a vibration testing system of an epoxy gasket, and a testing method thereof, so as to use the epoxy gasket to replace a steel gasket in a ship, and design a set of testing system to simulate a real use environment to test the epoxy gasket.
To achieve the above and other related objects, the present invention provides a vibration testing system for an epoxy gasket of a large-scale device, the vibration testing system comprising:
the base assembly comprises bases which are respectively positioned on the left side and the right side and are symmetrically arranged, and the top of each base is provided with a base panel with the inner side inclined downwards;
the equipment assembly comprises a support frame and a workbench, the support frame is correspondingly positioned above the base panel, the bottom of the support frame is provided with an inclined plane-shaped vibration isolator simulation panel parallel to the base panel, and the workbench is used for placing a counterweight weight so as to simulate the real equipment weight;
the epoxy gasket is manufactured by a casting process and is filled between the vibration isolator simulation panel and the base panel;
an excitation assembly for generating vibrations.
Optionally, the base further comprises a base and base rib plates, and the base is fixed on the test site through foundation bolts.
Optionally, the excitation assembly comprises a vibration exciter, the vibration exciter is connected with the upper surface of the vibration isolator simulation panel through an excitation rod, a plurality of acceleration sensors are respectively placed on the upper surface of the vibration isolator simulation panel and the upper surface of the base panel in an up-down corresponding manner, the plurality of acceleration sensors are located around the epoxy gasket, the vibration exciter is in communication connection with a vibration analyzer through a signal amplifier, the plurality of acceleration sensors are in communication connection with the vibration analyzer, and the vibration analyzer is further connected to a computer;
the vibration exciter is used for generating vibration, and the insertion loss test of a single epoxy gasket is realized by measuring the vibration strength of the acceleration sensor.
Optionally, the excitation assembly further comprises an active actuator, the active actuator is mounted on the counterweight weights and is in communication connection with the vibration analyzer through a signal amplifier, a plurality of acceleration sensors are respectively placed on the upper surface of the vibration isolator simulation panel and the upper surface of the base panel in an up-down corresponding manner, and the plurality of acceleration sensors are respectively located around each epoxy gasket;
the main actuator is used for generating vibration, and the insertion loss test of the epoxy gaskets under the load state is realized by measuring the vibration strength of the acceleration sensor.
The invention also provides a vibration testing method using the vibration testing system, which comprises the following steps:
s1: fixing the base component on a test site through foundation bolts;
s2: and hoisting the equipment assembly to the position above the base assembly, adjusting the equipment assembly to a specified position, ensuring that the vibration isolator simulation panel and the base panel correspond to each other and a gap is reserved, then manufacturing a mold frame at the gap, and pouring and curing epoxy resin in the mold frame to form the epoxy gasket.
Optionally, the vibration testing method further comprises the following steps:
s3: connecting the vibration exciter to the upper surface of the vibration isolator simulation panel through a vibration exciting rod, wherein a plurality of acceleration sensors are respectively and correspondingly placed on the upper surface of the vibration isolator simulation panel and the upper surface of the base panel from top to bottom, the acceleration sensors are positioned around the epoxy gasket, the vibration exciter is in communication connection with a vibration analyzer through a signal amplifier, the acceleration sensors are in communication connection with the vibration analyzer, and the vibration analyzer is further connected to a computer; the vibration exciter generates vibration, and the insertion loss of a single epoxy gasket is obtained by measuring the vibration intensity of the acceleration sensor.
Optionally, the vibration testing method further comprises the following steps:
s3: will the active actuator install in on the counter weight to carry out interim fixing to the counter weight, guarantee that it does not produce the removal in the test process, the active actuator pass through signal amplifier with vibration analysis appearance communication connection, the upper surface of isolator simulation panel reaches a plurality of acceleration sensor has been placed respectively corresponding ground from top to bottom to the upper surface of base panel, a plurality of acceleration sensor is located each respectively around the epoxy gasket, the active actuator produces the vibration, through the survey acceleration sensor's vibration intensity obtains the insertion loss under a plurality of epoxy gasket load states.
Optionally, the vibration testing method further comprises the following steps:
after replacing the epoxy gasket with the steel gasket, step S3 was performed again to test the insertion loss of the steel gasket, which resulted in a control experiment.
The invention also provides an application of the epoxy gasket, the epoxy gasket is filled in a contact surface between the marine base and the marine equipment, and the contact surface is an inclined surface.
Optionally, the epoxy gasket is formed after epoxy resin is poured and cured in a mold frame.
As described above, the present invention provides an application of an epoxy gasket, a vibration testing system of an epoxy gasket, and a testing method thereof, and the vibration testing system can provide a testing condition consistent with a real ship, so as to simulate a real ship state of a large-scale device when a slope base is installed, and simultaneously verify a construction process of the epoxy gasket and perform a related test on vibration isolation performance of the epoxy gasket. The test system adopts a combined base design, the left base and the right base are convenient for adjusting the distance between the left base and the right base, the adaptation range is wider, the use is more flexible, and the base states of the test system can be simulated aiming at equipment with different widths on a ship; during testing, the distribution of the weight and the gravity center of the counterweight weights is adjusted by changing the arrangement of the counterweight weights, so that the inclined surface installation of different types of large equipment can be simulated, and the application range of a test system is greatly expanded; the test system adopts the design of two types of excitation sources, simultaneously has the vibration performance test of a single sample in a no-load state and the vibration performance test of a plurality of samples in a load state, and has stronger specialty and wide practicability; the large-scale equipment inclined plane installation scene that the test system simulation realized is completely unanimous with real ship base and equipment installation, makes epoxy gasket pouring construction process verification and vibration isolation performance test more close to actual conditions, and experimental data and analysis are more true, effective.
Drawings
Fig. 1 is a schematic structural view showing the epoxy gasket filled between the base assembly and the equipment assembly according to the present invention.
FIG. 2 is a schematic view of a base assembly according to the present invention.
FIG. 3 is a schematic diagram of the structure of the apparatus assembly of the present invention.
FIG. 4 is a schematic diagram showing the connection of the components of the vibration testing system of the present invention.
Fig. 5 is a schematic diagram showing the insertion loss test of a single epoxy shim of the present invention.
FIG. 6 is a schematic diagram of an insertion loss test of the present invention under a load condition for a plurality of epoxy shims.
Description of the reference numerals
1 base
2 equipment assembly
3 balance weight
4 base seat
5 Rib plate
6 base panel
7 support frame
8 working table
9 vibration isolator simulation panel
10 exciting rod
11 vibration exciter
12 acceleration sensor
13 active actuator
20 epoxy gasket
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
As in the detailed description of the embodiments of the present invention, the cross-sectional views illustrating the device structures are not partially enlarged in general scale for convenience of illustration, and the schematic views are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
For convenience in description, spatial relational terms such as "below," "beneath," "below," "under," "over," "upper," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that these terms of spatial relationship are intended to encompass other orientations of the device in use or operation in addition to the orientation depicted in the figures. Further, when a layer is referred to as being "between" two layers, it can be the only layer between the two layers, or one or more intervening layers may also be present. As used herein, "between … …" is meant to include both endpoints.
In the context of this application, a structure described as having a first feature "on" a second feature may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features are formed in between the first and second features, such that the first and second features may not be in direct contact.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of each component in actual implementation may be changed freely, and the layout of the components may be more complicated.
In order to solve the related problems of the steel gasket in the background technology, the invention provides the application of the novel high-performance epoxy gasket prepared by the hyperbranched process on the marine base, namely the gasket is formed after epoxy resin is poured and cured in a mould to replace the traditional steel gasket.
Specifically, the epoxy gasket is filled in a contact surface between the marine base and the marine equipment, the contact surface is an inclined surface, and the epoxy gasket is molded by casting. The casting molding method is the same as the casting molding method in the vibration test system and the test method, and the concrete process is as follows: firstly, hoisting the marine equipment, moving the marine equipment to enable the marine equipment to be located at a corresponding position above the marine base and to leave a gap between the marine equipment and the marine base, then manufacturing a mold frame at the gap, and pouring and curing epoxy resin in the mold frame to form an epoxy gasket.
Because the epoxy gasket replaces the traditional steel gasket and is used for the inclined plane installation of large-scale equipment for the first time, various control measures and process adaptability in the pouring process are not verified during construction, and the vibration isolation performance of the gasket cannot be evaluated. Therefore, the invention also provides a vibration testing system for the epoxy gasket of the large-scale equipment, which can not only carry out construction verification on the pouring process, but also carry out test analysis on the vibration isolation performance to evaluate the acoustic quality of the large-scale equipment by providing a simulation environment consistent with the inclined plane installation state of the large-scale equipment.
As shown in fig. 1-3, the vibration testing system includes:
the base component comprises bases 1 which are respectively positioned at the left side and the right side and are symmetrically arranged, and the top of each base 1 is provided with a base panel 6 with the inner side inclined downwards;
specifically, base 1 still includes base 4 and base floor 5, and base 4 passes through rag bolt to be fixed in the experimental place. The main structural form, the size specification and the like of the base 1 are consistent with those of a real ship. The integrated base has the advantages that the left base and the right base are adopted, the distance between the left base and the right base can be conveniently adjusted, the adaptation range is wider, the use is more flexible, and the base states of equipment with different widths on a ship can be simulated.
The equipment assembly 2 comprises a support frame 7 and a workbench 8, the support frame 7 is correspondingly located above the base panel 6, the bottom of the support frame 7 is provided with a bevel-shaped vibration isolator simulation panel 9 parallel to the base panel 6, and the workbench 8 is used for placing the counterweight weights 3, so that the real equipment weight is simulated. By changing the arrangement of the counterweight weights 3 and adjusting the distribution of the weight and the gravity center of the counterweight weights, the inclined plane installation of different types of large-scale equipment on a simulated ship can be realized, and the application range of the test system is greatly expanded. During the test, the total weight of the counterweight weight iron weight 3 is obtained by deducting the weight of the support frame 7 and the workbench 8 from the total weight of the large-scale equipment and the vibration isolator thereof. The overall weight and the center of gravity of the equipment assembly 2 after the arrangement are consistent with the theoretical weight and the center of gravity of the inclined surface installation of the large-scale equipment. The vibration isolator simulation panel 9 is used for simulating a vibration isolator used when large-scale equipment is installed on an actual ship.
As shown in fig. 4, the test system further includes:
an excitation assembly, which serves as a vibration source for generating vibrations, comprises an exciter 11 and a main actuator 13. The vibration exciter 11 is used for the insertion loss test of a single epoxy gasket 20, and the main actuator 13 has a large output force and a vibration active control function and is used for the insertion loss test of a plurality of epoxy gaskets 20 in a load state. The test system can realize two test modes: a single specimen vibration test mode and a vibration test mode under a plurality of specimen load states.
Specifically, in the single specimen vibration test mode, the exciter 11 is used for the insertion loss test of the single epoxy shim 20, and the exciter 11 is attached to the upper surface of the vibration isolator simulation panel 9 through the exciting rod 10. A plurality of acceleration sensor 12 has been placed corresponding respectively from top to bottom to the upper surface of isolator simulation panel 9 and the upper surface of base panel 6, and a plurality of acceleration sensor 12 is located around epoxy gasket 20, and vibration exciter 11 is through signal amplifier and vibration analysis appearance communication connection, a plurality of acceleration sensor 12 and vibration analysis appearance communication connection, and vibration analysis appearance still is connected to the computer. By measuring the vibration intensity of the acceleration sensor 12, the insertion loss of the single epoxy gasket 20, that is, the influence of the insertion of the epoxy gasket on the vibration isolation effect, is obtained. Preferably, the number of the acceleration sensors 12 is 4 in total, that is, 2 are respectively placed on the upper surface of the vibration isolator simulation panel 9 and the upper surface of the base panel 6.
Specifically, in the vibration test mode of a plurality of sample load states, the active actuator 13 is mounted on the weight 3, and temporarily fixes the weight 3, so that it is ensured that the weight does not move in the test process, and the device is used for the insertion loss test of a plurality of epoxy gaskets 20 in the load state. The main actuator 13 is in communication connection with the vibration analyzer through a signal amplifier, a plurality of acceleration sensors 12 are respectively and correspondingly placed on the upper surface of the vibration isolator simulation panel 9 and the upper surface of the base panel 6 from top to bottom, and the acceleration sensors 12 are respectively located around the epoxy gaskets 20. It should be noted that the drawings show a cross-sectional view of the base 1, and the base 1 has a certain length and can be arranged with a plurality of epoxy pads 20. Preferably, the number of the epoxy shims 20 is 24, and 1 acceleration sensor 12 is placed on the upper surface of the vibration isolator simulation panel 9 and the upper surface of the base panel 6 around each epoxy shim 20. The testing principle using the active actuator 13 is similar to that using the vibration exciter 11, and the description thereof is omitted here.
The vibration testing system provides pouring process construction verification and vibration performance testing for the application of the epoxy gasket in the inclined surface installation of large-scale equipment. The weight of the counterweight weight can be adjusted to simulate the load of various types of equipment in real time, the form and the size of the base panel and the lower base can be properly modified to simulate the actual installation state of various types of equipment, excitation sources with different types and specifications can be prepared to simulate the excitation frequency of the operation working conditions of different types of equipment, the measuring point arrangement of the sensor can be flexibly distributed to realize the vibration performance test of different types of materials or equipment, and the counterweight weight balance weight has wide application range.
The invention also provides a vibration testing method using the vibration testing system, which comprises the following steps:
s1: fixing the base component on a test site through foundation bolts;
s2: lifting the equipment assembly 2 to the position above the base assembly, adjusting the equipment assembly 2 to a specified position, ensuring that the vibration isolator simulation panel 9 and the base panel 6 correspond to each other and a gap is reserved, then manufacturing a mold frame at the gap, and pouring and curing epoxy resin in the mold frame to form an epoxy gasket 20;
s3: connecting a vibration exciter 11 with the upper surface of a vibration isolator simulation panel 9 through a vibration exciting rod 10, respectively placing a plurality of acceleration sensors 12 on the upper surface of the vibration isolator simulation panel 9 and the upper surface of a base panel 6 in an up-down corresponding manner, wherein the acceleration sensors 12 are positioned around an epoxy gasket 20, the vibration exciter 11 is in communication connection with a vibration analyzer through a signal amplifier, the acceleration sensors 12 are in communication connection with the vibration analyzer, and the vibration analyzer is also connected to a computer; the vibration exciter 11 generates vibration, and the insertion loss of a single epoxy gasket 20 is obtained by measuring the vibration strength of the acceleration sensor 12; after the epoxy gasket 20 is tested, the epoxy gasket 20 is replaced with a steel gasket having the same size and thickness, and the insertion loss of the steel gasket is measured in the same manner for comparison.
Optionally, step S3 may also be a test of insertion loss of multiple steel gaskets under a load condition, specifically including:
install active actuator 13 on counter weight 3 to carry out interim fixing to counter weight 3, guarantee that it does not produce the removal in the test process, active actuator 13 is through signal amplifier and vibration analysis appearance communication connection, and a plurality of acceleration sensor 12 has been placed to the upper surface of isolator simulation panel 9 and the upper surface of base panel 6 respectively corresponding from top to bottom, and a plurality of acceleration sensor 12 is located around each epoxy pad 20 respectively. The main actuator 13 generates vibration, and the insertion loss of the plurality of epoxy pads 20 in a load state is obtained by measuring the vibration intensity of the acceleration sensor 12; after the epoxy gaskets 20 are tested, the epoxy gaskets 20 are replaced by steel gaskets with the same size and thickness, and the insertion loss of a plurality of steel gaskets under a load state is tested according to the same method for comparison.
In summary, the invention provides an application of an epoxy gasket, a vibration testing system of the epoxy gasket and a testing method thereof, and the vibration testing system can provide a testing working condition consistent with a real ship, so as to simulate a real ship state of large-scale equipment when the large-scale equipment is installed on an inclined plane base, and simultaneously verify a construction process of the epoxy gasket and perform a relevant test on vibration isolation performance of the epoxy gasket. The test system adopts a combined base design, the left base and the right base are convenient for adjusting the distance between the left base and the right base, the adaptation range is wider, the use is more flexible, and the base states of the test system can be simulated aiming at equipment with different widths on a ship; during testing, the distribution of the weight and the gravity center of the counterweight weights is adjusted by changing the arrangement of the counterweight weights, so that the inclined surface installation of different types of large equipment can be simulated, and the application range of a test system is greatly expanded; the test system adopts the design of two types of excitation sources, simultaneously has the vibration performance test of a single sample in a no-load state and the vibration performance test of a plurality of samples in a load state, and has stronger specialty and wide practicability; the large-scale equipment inclined plane installation scene realized by the simulation of the test system is completely consistent with the installation of a real ship base and equipment, so that the verification of the epoxy gasket pouring construction process and the vibration isolation performance test are closer to the actual situation, and the test data and analysis are more real and effective.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An epoxy gasket vibration testing system of a large-scale device, characterized in that the vibration testing system comprises:
the base assembly comprises bases which are respectively positioned on the left side and the right side and are symmetrically arranged, and the top of each base is provided with a base panel with the inner side inclined downwards;
the equipment assembly comprises a support frame and a workbench, the support frame is correspondingly positioned above the base panel, the bottom of the support frame is provided with an inclined plane-shaped vibration isolator simulation panel parallel to the base panel, and the workbench is used for placing a counterweight weight so as to simulate the real equipment weight;
the epoxy gasket is manufactured by a casting process and is filled between the vibration isolator simulation panel and the base panel;
an excitation assembly for generating vibrations.
2. The vibration testing system of claim 1, wherein the base further comprises a base mount and base ribs, the base mount being secured to the test site by anchor bolts.
3. The vibration testing system of claim 1, wherein the excitation assembly comprises a vibration exciter, the vibration exciter is connected with the upper surface of the vibration isolator simulation panel through an excitation rod, a plurality of acceleration sensors are respectively placed on the upper surface of the vibration isolator simulation panel and the upper surface of the base panel in an up-down corresponding manner, the plurality of acceleration sensors are located around the epoxy gasket, the vibration exciter is in communication connection with a vibration analyzer through a signal amplifier, the plurality of acceleration sensors are in communication connection with the vibration analyzer, and the vibration analyzer is further connected to a computer;
the vibration exciter is used for generating vibration, and the insertion loss test of a single epoxy gasket is realized by measuring the vibration strength of the acceleration sensor.
4. The vibration testing system of claim 3, wherein the excitation assembly further comprises an active actuator, the active actuator is mounted on the counterweight weights and is in communication connection with the vibration analyzer through a signal amplifier, a plurality of acceleration sensors are respectively placed on the upper surface of the vibration isolator simulation panel and the upper surface of the base panel in an up-down corresponding manner, and the plurality of acceleration sensors are respectively located around each epoxy gasket;
the main actuator is used for generating vibration, and the insertion loss test of a plurality of epoxy gaskets under a load state is realized by measuring the vibration strength of the acceleration sensor.
5. A vibration testing method using the vibration testing system of claim 4, wherein the vibration testing method comprises the steps of:
s1: fixing the base component on a test site through foundation bolts;
s2: and hoisting the equipment assembly to the position above the base assembly, adjusting the equipment assembly to a specified position, ensuring that the vibration isolator simulation panel and the base panel correspond to each other and a gap is reserved, then manufacturing a mold frame at the gap, and pouring and curing epoxy resin in the mold frame to form the epoxy gasket.
6. The vibration testing method of claim 5, further comprising the steps of:
s3: connecting the vibration exciter to the upper surface of the vibration isolator simulation panel through a vibration exciting rod, wherein a plurality of acceleration sensors are respectively and correspondingly placed on the upper surface of the vibration isolator simulation panel and the upper surface of the base panel from top to bottom, the acceleration sensors are positioned around the epoxy gasket, the vibration exciter is in communication connection with a vibration analyzer through a signal amplifier, the acceleration sensors are in communication connection with the vibration analyzer, and the vibration analyzer is further connected to a computer; the vibration exciter generates vibration, and the insertion loss of a single epoxy gasket is obtained by measuring the vibration intensity of the acceleration sensor.
7. The vibration testing method of claim 5, further comprising the steps of:
s3: will the active actuator install in on the counter weight to carry out interim fixing to the counter weight, guarantee that it does not produce the removal in the test process, the active actuator pass through signal amplifier with vibration analysis appearance communication connection, the upper surface of isolator simulation panel reaches a plurality of acceleration sensor has been placed respectively corresponding ground from top to bottom to the upper surface of base panel, a plurality of acceleration sensor is located each respectively around the epoxy gasket, the active actuator produces the vibration, through the survey acceleration sensor's vibration intensity obtains the insertion loss under a plurality of epoxy gasket load states.
8. The vibration testing method according to claim 6 or 7, further comprising the steps of:
after replacing the epoxy gasket with the steel gasket, step S3 was performed again to test the insertion loss of the steel gasket, which was used as a control experiment.
9. The application of the epoxy gasket is characterized in that the epoxy gasket is filled in a contact surface of a marine base and marine equipment, and the contact surface is an inclined surface.
10. The use of the epoxy shim according to claim 9, wherein the epoxy shim is formed after the epoxy resin is cast and cured in a mold frame.
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| CN202210185225.3A CN114543981B (en) | 2022-02-28 | 2022-02-28 | Vibration testing system and method for epoxy gasket of marine equipment |
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| CN202210185225.3A CN114543981B (en) | 2022-02-28 | 2022-02-28 | Vibration testing system and method for epoxy gasket of marine equipment |
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