CN212158982U - Reliability test fixture and reliability test device for naval cabinets - Google Patents

Abstract

The utility model relates to a reliability test anchor clamps and reliability test device of cabinet for warship, the reliability test anchor clamps of cabinet for warship include cab apron, crossbeam and carriage. The transition plate is used for being arranged on the vibration table and is connected with the bottom wall of the cabinet for the warship. The number of the supporting frames is more than two, and the supporting frames are arranged on the transition plate in parallel at intervals. The number of the cross beams is two, the side edge of one side of each of the two or more support frames is connected with one of the cross beams, the side edge of the other side of each of the two or more support frames is connected with the other cross beam, and one of the cross beams is used for being connected with the back face of the cabinet for the ship. The number of the supporting frames arranged on the transition plate can be determined according to the number of the ship cabinets, more than two ship cabinets are synchronously arranged on the transition plate, reliability tests can be simultaneously carried out on more than two ship cabinets, test time can be shortened, test efficiency can be improved, and expansibility is strong.

Description

Reliability test fixture and reliability test device for naval cabinets

technical field

The utility model relates to a test fixture, in particular to a reliability test fixture and a reliability test device of a naval cabinet.

Background technique

Reliability test refers to measuring and verifying the reliability of products through tests. It is an important means to check whether a product meets the requirements of reliability indicators and an important means to check product quality. The test scheme is closely related to the number of products, technical indicators and test scheme numbers. The technical indicators and test plan numbers are generally related to the technical maturity of the product. The reliability test fixture is used to install the product to be tested, simulates the installation device of the product in the actual use scenario, and is the connection hub between the product and the reliability test box.

Traditionally, special fixtures are used for reliability testing of marine cabinets, because the size of the structure space of the special fixtures is generally only suitable for installing one marine cabinet. When there are many marine cabinets that need to be tested for reliability, generally, multiple dedicated fixtures are used to conduct reliability tests on multiple marine cabinets, or reliability tests are performed on multiple marine cabinets in turn. It takes up more experimental facilities and scientific research personnel resources, even prolongs the experimental time, and also leads to a large increase in the experimental cost.

Utility model content

Based on this, it is necessary to overcome the defects of the prior art and provide a reliability test fixture and a reliability test device for a naval cabinet, which can simultaneously conduct reliability tests on two or more naval cabinets, reduce the test time, and Can improve test efficiency.

The technical solution is as follows: a reliability test fixture for a marine cabinet, the reliability test fixture for the marine cabinet includes: a transition plate, the transition plate is used for being installed on a vibration table, and the transition plate is used for connected with the bottom wall of the marine cabinet; a support frame, there are more than two support frames, and the two or more support frames are arranged on the transition plate side by side and at intervals; and a beam, there are two beams, two One side of the more than one support frame is connected to one of the beams, and the other side of the two or more support frames is connected to the other beam, and one of the beams is used for connected with the back of the marine cabinet.

The reliability test fixture for the above-mentioned marine cabinet can determine the number of support frames installed on the transition plate according to the number of marine cabinets, and install more than two marine cabinets on the transition plate synchronously. The reliability test of more than one naval cabinet can reduce the test time, improve the test efficiency, and have strong expansibility.

In one embodiment, a plurality of first mounting holes are provided on the transition plate, and the transition plate is fixedly mounted on the vibration table through the first mounting holes through the first mounting member.

In one of the embodiments, the first mounting hole is a counterbore.

In one embodiment, a plurality of second mounting holes are provided on the transition plate, and the transition plate is connected to the bottom wall of the marine cabinet through the second mounting holes through the second mounting pieces; A plurality of third mounting holes are arranged on the beam, and the beam is connected to the back of the marine cabinet through the third mounting holes through the third mounting pieces.

In one embodiment, the transition plate, the support frame and the beam are all magnesium-aluminum alloy plates, stainless steel plates, iron plates, copper plates or aluminum plates.

In one embodiment, the support frame includes a plurality of frame beams and a plurality of reinforcement beams; the frame beams are connected end to end to form a frame body, and the reinforcement beams are connected to the frame beams and located in the frame body internal.

In one embodiment, the frame beam and the reinforcing beam both include a first plate body and a second plate body, and the first plate body and the second plate body are connected to form an L-shaped beam.

In one embodiment, the adjacent frame beams are connected by welding, the frame beams and the reinforcing beams are connected by welding, and the adjacent reinforcing beams are connected by welding; the frame body is a square frame body; a plurality of the reinforcing beams are arranged inside the frame body in the shape of "m", "x" or "cross".

In one embodiment, the beam includes a third plate body, a fourth plate body and a fifth plate body, and the fourth plate body and the fifth plate body are respectively connected to two parts of the third plate body. On the side, the third plate body, the fourth plate body and the fifth plate body enclose a groove body.

In one embodiment, the bottom of the support frame is connected to the transition plate by welding, and the beam is connected to the side of the support frame by welding.

A reliability test device, including the reliability test fixture of the marine cabinet, and a vibration table and a sensor, the transition plate is installed on the vibration table; the sensor is installed on the reliability on the test fixture.

The above-mentioned reliability test device can determine the number of support frames installed on the transition plate according to the number of marine cabinets, and install more than two marine cabinets on the transition plate synchronously, so that more than two marine cabinets can be simultaneously installed on the transition plate. The reliability test of the cabinet can reduce the test time, improve the test efficiency, and have strong expansibility.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments of the present invention and descriptions thereof are used to explain the present invention and do not constitute an improper limitation of the present invention.

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic structural diagram of a reliability test fixture for a marine cabinet according to an embodiment of the present invention;

Fig. 2 is Fig. 1 enlarged structural representation at A place;

Fig. 3 is Fig. 1 enlarged structural schematic diagram at place B;

FIG. 4 is a perspective view of a reliability test fixture for a marine cabinet according to an embodiment of the present invention;

FIG. 5 is another perspective view of the reliability test fixture of the marine cabinet according to an embodiment of the present invention;

FIG. 6 is another perspective view of the reliability test fixture of the marine cabinet according to an embodiment of the present invention;

FIG. 7 is an exploded schematic diagram of a reliability test fixture for a marine cabinet according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a reliability test device for a marine cabinet according to an embodiment of the present invention.

10. Reliability test fixture; 11. Transition plate; 111, First mounting hole; 12, Beam; 121, Third plate body; 122, Fourth plate body; 123, Fifth plate body; 13, Support frame; 131 , frame beam; 132, reinforcing beam; 133, first plate body; 134, second plate body; 20, vibration table; 30, naval cabinet; 40, sensor.

Detailed ways

In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many ways different from those described here, and those skilled in the art can make similar improvements without violating the connotation of the present invention. Therefore, the present invention is not subject to the specific embodiments disclosed below. limit.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" ", "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connected, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication between two elements or the interaction relationship between the two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and defined, a first feature "on" or "under" a second feature may be in direct contact with the first and second features, or the first and second features through an intermediary indirect contact. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

Generally speaking, the traditional special fixture has strong load bearing capacity, which far exceeds the requirements of the reliability test of naval cabinets. Specifically, the vibration frequency that can be achieved by traditional special fixtures can reach 500Hz, and the vibration frequency of the reliability test of naval cabinets is 4Hz to 200Hz according to the requirements of GJB 899A-2009 "Reliability Identification and Acceptance Test". That is to say, the traditional special fixture is much higher than the maximum vibration frequency specified in the reliability test requirements, so the traditional fixture body is relatively bulky, it is not convenient to adjust and install according to the different sizes of the marine cabinet, and it is not suitable for multiple marine cabinets. test at the same time.

Based on this, referring to FIGS. 1 and 8 , FIG. 1 shows a schematic structural diagram of a reliability test fixture 10 for a marine cabinet in an embodiment of the present invention, and FIG. 8 shows a reliability test device for a marine cabinet 30 Schematic diagram of the structure. The reliability test fixture 10 for a marine cabinet provided by an embodiment of the present invention includes a transition plate 11 , a beam 12 and a support frame 13 . The transition plate 11 is used for being installed on the vibration table 20 , and the transition plate 11 is used for connecting with the bottom wall of the marine cabinet 30 . There are more than two supporting frames 13 , and the two or more supporting frames 13 are arranged on the transition plate 11 in parallel and spaced apart. There are two beams 12 , one side of the two or more support frames 13 is connected to one of the beams 12 , and the other side of the two or more support frames 13 is connected to the other beam 12 . One of the beams 12 is used for connecting with the back of the marine cabinet 30 .

During the reliability test, if there is one naval cabinet 30 to be tested, there are two supporting frames 13 installed on the transition plate 11, and the two supporting frames 13 are arranged on the transition plate 11 side by side at intervals. The cabinet 30 is located between the two support frames 13, and the back of the marine cabinet 30 is connected to one of the beams 12, so that the marine cabinet 30 can be clamped by the reliability test fixture 10 of the marine cabinet for reliability test. . If there are two marine cabinets 30 to be tested, the number of supporting frames 13 installed on the transition plate 11 is correspondingly three, and the three supporting frames 13 are arranged on the transition plate 11 side by side at intervals, and the two marine cabinets 30 are respectively Correspondingly located in the two intervals formed by the three support frames 13, and the back of the marine cabinet 30 is connected to one of the beams 12, so that the two marine cabinets 30 can be tested by the reliability test fixture 10 of the marine cabinet. Clamp and conduct reliability test. In this way, if there are n ship cabinets 30, n is a natural number, the number of support frames 13 installed on the transition board 11 is correspondingly n+1, and the n ship cabinets 30 are respectively located on the n+1 support frames 13. In the n spaced spaces, the n number of ship cabinets 30 are clamped by the reliability test fixtures 10 of the ship cabinet, and the reliability test is performed. In addition, through test analysis, the vibration frequency achieved when the above-mentioned reliability test fixture 10 for the marine cabinet holds two or more marine cabinets 30 is in the range of 4 Hz to 200 Hz, which meets the test requirements.

The above-mentioned reliability test fixture 10 for marine cabinets can determine the number of support frames 13 installed on the transition plate 11 according to the number of marine cabinets 30 , and install more than two marine cabinets 30 on the transition plate 11 synchronously. On the other hand, the reliability test can be performed on two or more ship cabinets 30 at the same time, which can reduce the test time, improve the test efficiency, and has strong expandability.

Please refer to FIG. 2 and FIG. 8 again. FIG. 2 shows an enlarged schematic view of the structure at A in FIG. 1 . Further, the transition plate 11 is provided with a plurality of first mounting holes 111 , and the transition plate 11 passes through the first mounting member. It is fixedly installed on the vibration table 20 through the first installation hole 111 . Specifically, the first installation holes 111 are arranged on the transition plate 11 in an array, and the vibration table 20 is provided with installation holes corresponding to the positions of the first installation holes 111 . The number of the first mounting holes 111 on the transition plate 11 is more than the number of mounting holes on the vibration table 20 . During the installation operation, select the first installation hole 111 corresponding to the position of the installation hole on the vibration table 20 , and use a number of first mounting pieces to pass through the first installation hole 111 and the installation hole of the vibration table 20 to fix the transition plate 11 . On the shaking table 20 , the transition plate 11 can be stably arranged on the shaking table 20 , the fixing effect is relatively stable, and the installation operation of the reliability test fixture 10 of the marine cabinet on the shaking table 20 is simple.

Further, the first mounting hole 111 is a counterbore. In this way, after the first mounting member passes through the first mounting hole 111 to fix the transition plate 11 on the vibrating table 20 , the head of the first mounting member is located in the counterbore and will not protrude from the surface of the transition plate 11 . In this way, there is no gap between the bottom surface of the marine cabinet 30 and the surface of the transition plate 11 , so that the reliability test fixture 10 of the marine cabinet can better transmit the vibration load to the marine cabinet 30 .

In one embodiment, the transition plate 11 is provided with a plurality of second installation holes (not shown in the figure), and the transition plate 11 is connected to the bottom wall of the marine cabinet 30 through the second installation parts through the second installation holes. The beam 12 is provided with a number of third mounting holes (not shown in the figure), and the beam 12 is connected to the back of the marine cabinet 30 through the third mounting holes through the third mounting pieces.

Specifically, before installing the marine cabinet 30 on the reliability test fixture 10 of the marine cabinet, a second mounting hole corresponding to the position of the mounting hole on the bottom wall of the marine cabinet 30 is opened on the transition plate 11 . The beam 12 is provided with a third installation hole (not shown in the figure) corresponding to the position of the installation hole on the back of the marine cabinet 30, so that the reliability test of the marine cabinet 30 being quickly and firmly installed in the marine cabinet can be realized. on the fixture 10. In addition, the installation situation of the naval cabinet 30 in actual use can be better simulated, and the transition plate 11, the side plate or the load-bearing plate can be punched and processed multiple times for repeated use, thereby speeding up the test process and at the same time. The manufacturing cost and maintenance cost of the reliability test jig 10 are reduced.

It should be noted that, for a general marine cabinet 30, the bottom wall of the marine cabinet 30 is provided with four corners respectively provided with a mounting hole, and the back of the marine cabinet 30 is provided with a mounting hole. Therefore, the transition plate 11 There are four second mounting holes correspondingly provided on the upper side, which correspond to the four mounting holes on the bottom wall of the marine cabinet 30, respectively, and a third mounting hole is correspondingly provided on the beam 12, which corresponds to the mounting holes on the bottom wall of the marine cabinet 30, respectively. . Of course, there are also five or six mounting holes on the bottom wall of the marine cabinet 30, and two to four mounting holes on the back of the marine cabinet 30. Correspondingly, the transition plate 11 is provided with five or six mounting holes. Correspondingly with the mounting holes on the bottom wall of the marine cabinet 30 , there are two to four mounting holes on the beam 12 corresponding to the mounting holes on the back of the marine cabinet 30 . In this way, the marine cabinet 30 can be stably installed on the reliability test fixture 10 of the marine cabinet, the installation situation of the marine cabinet 30 in actual use can be completely simulated, and the vibration load of the reliability test can be effectively transmitted to On the ship cabinet 30, the test quality and test effect are guaranteed.

In addition, after the second mounting hole is aligned with the mounting hole on the bottom wall of the marine cabinet 30, the marine cabinet 30 is fixed on the reliability test fixture 10 of the marine cabinet with the second mounting piece. After aligning with the mounting holes on the back of the cabinet 30 , the marine cabinet 30 is fixed on the reliability test fixture 10 of the marine cabinet with a third mounting piece. The second mounting hole and the third mounting hole are specifically selected from screw holes, and the second mounting member and the third mounting member are, for example, screws or bolts, which can improve the connection between the marine cabinet 30 and the reliability test fixture 10 of the marine cabinet. It can effectively transmit the vibration load of the reliability test to the ship cabinet 30, and ensure the test quality and test effect.

In one embodiment, the first mounting member, the second mounting member, and the third mounting member can all be screws, bolts, pins, rivets, etc., and the first mounting hole 111 is a mounting hole suitable for the first mounting member, The second installation hole is an installation hole suitable for the second installation piece, and the third installation hole is an installation hole suitable for the third installation piece.

In one embodiment, the transition plate 11 , the support frame 13 and the beam 12 are all magnesium-aluminum alloy plates, stainless steel plates, iron plates, copper plates or aluminum plates. In this embodiment, the transition plate 11, the support frame 13 and the beam 12 are all magnesium-aluminum alloy plates, which are designed and manufactured with a lightweight magnesium-aluminum alloy plate, which minimizes the weight of the reliability test fixture 10 of the naval cabinet. More naval cabinets 30 can be installed for testing, which can reduce testing time and testing costs.

Please refer to FIG. 2 and FIG. 3 . FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 . In one embodiment, the support frame 13 includes a plurality of frame beams 131 and a plurality of reinforcing beams 132 . The frame beams 131 are connected end to end to form a frame body, and the reinforcing beams 132 are connected to the frame beam 131 and located inside the frame body. The reinforcing beams 132 are connected to the frame beams 131 , and the reinforcing beams 132 can enhance the structural strength of the frame body. Meanwhile, the reliability test fixture 10 for the above-mentioned marine cabinet requires less materials and lower cost.

Please refer to FIG. 2 and FIG. 3 , in one embodiment, the frame beam 131 and the reinforcing beam 132 both include a first plate body 133 and a second plate body 134 , and the first plate body 133 and the second plate body 134 are connected to form an L-shape beam. Specifically, the first plate body 133 and the second plate body 134 have an integrated structure, for example, an integrated structure formed by extrusion and stretching, or an integrated structure formed by welding.

Please refer to FIGS. 4 to 6 . FIGS. 4 to 6 respectively illustrate three perspective views of the reliability test fixture 10 of the marine cabinet. In one embodiment, the adjacent frame beams 131 are connected by welding, the frame beams 131 and the reinforcing beams 132 are connected by welding, and the adjacent reinforcing beams 132 are connected by welding. Optionally, the frame body is a square frame body. In addition, several reinforcing beams 132 are arranged inside the frame body in the shape of "meter", "X" or "cross".

Please refer to FIG. 2 and FIG. 3 again. In one embodiment, the beam 12 includes a third plate body 121 , a fourth plate body 122 and a fifth plate body 123 . The fourth plate body 122 and the fifth plate body 123 are respectively connected to two sides of the third plate body 121 , and the third plate body 121 , the fourth plate body 122 and the fifth plate body 123 enclose a groove body. Specifically, the third plate body 121 , the fourth plate body 122 and the fifth plate body 123 are an integrated structure, for example, integrally formed by extrusion and stretching, or an integrated structure formed by welding. In addition, when the third plate body 121 is attached to the side of the support frame 13, it can be easily detachably connected to the side of the support frame 13, and the connection structure is relatively stable; in addition, the fourth plate body 122 and the fifth plate body 123 The structural strength of the beam 12 can be ensured after being connected to the third plate body 121 respectively. For the marine cabinets 30 of different heights, the installation heights of the beam 12 on the support frame 13 are different, that is, the installation position of the beam 12 on the support frame 13 is adaptively adjusted according to the height of the marine cabinet 30 . The installation height of the beam 12 on the support frame 13 refers to the height of the transition plate 11 relative to the transition plate 11 with the transition plate 11 as the reference plane.

Please refer to FIG. 2 , FIG. 3 and FIG. 7 . FIG. 7 is an exploded schematic view of the reliability test fixture 10 of the marine cabinet. Further, the third plate body 121 is provided with a fourth mounting hole (not shown in the figure), the side of the support frame 13 is provided with a fifth mounting hole, and the third plate body 121 passes through the fourth mounting member through the fourth mounting hole. The four mounting holes and the fifth mounting hole are connected to the side of the support frame 13 . The fourth mounting member may also be a screw, a bolt, a pin, a rivet, etc., which is not limited herein. Of course, the third plate body 121 may also be connected to the side of the support frame 13 by welding.

In one embodiment, the bottom of the support frame 13 is connected to the transition plate 11 by welding, and the beam 12 is connected to the side of the support frame 13 by welding.

To sum up, the above-mentioned reliability test fixture 10 for naval cabinets has the following advantages:

1. The number of support frames 13 installed on the transition plate 11 can be determined according to the number of marine cabinets 30, and two or more marine cabinets 30 can be simultaneously installed on the transition plate 11, so that more than two marine cabinets can be installed on the transition plate 11 simultaneously. The reliability test of the cabinet 30 can reduce the test time, improve the test efficiency, and has strong expandability.

2. During the installation operation, select the first installation hole 111 corresponding to the position of the installation hole on the vibration table 20, and use a number of first mounting pieces to pass through the first installation hole 111 and the installation hole of the vibration table 20 to fix the transition plate 11. By being installed on the shaking table 20 , the transition plate 11 can be stably arranged on the shaking table 20 , the fixing effect is relatively stable, and the installation operation of the reliability test fixture 10 of the marine cabinet on the shaking table 20 is simple.

3. After the first mounting piece passes through the first mounting hole 111 to fix the transition plate 11 on the vibrating table 20 , the head of the first mounting piece is located in the counterbore and will not protrude to the surface of the transition plate 11 In this way, there is no gap between the bottom surface of the marine cabinet 30 and the surface of the transition plate 11 , so that the reliability test fixture 10 of the marine cabinet can better transmit the vibration load to the marine cabinet 30 .

4. The installation situation of the marine cabinet 30 in actual use is completely simulated, and the vibration load of the reliability test can be effectively transferred to the marine cabinet 30 to ensure the test quality and test effect. The transition plate 11 , the side plate or the load-bearing plate can be punched and processed multiple times and used repeatedly, thereby speeding up the test process and reducing the manufacturing cost and maintenance cost of the reliability test fixture 10 .

5. The lightweight design and manufacture of magnesium-aluminum alloy plates minimizes the weight of the reliability test fixture 10 of the marine cabinet, and can install more marine cabinets 30 for testing, which can reduce the test time and test cost.

6. The reinforcement beams 132 are connected to the frame beams 131, and the reinforcement beams 132 can enhance the structural strength of the frame body. At the same time, the reliability test fixture 10 of the above-mentioned marine cabinet uses less materials and lower cost.

7. When the third plate body 121 is attached to the side of the support frame 13, it can be easily detachably connected to the side of the support frame 13, and the connection structure is relatively stable; in addition, the fourth plate body 122 and the fifth plate body 123 The structural strength of the beam 12 can be ensured after being connected to the third plate body 121 respectively.

Please refer to FIG. 1 and FIG. 8 , in one embodiment, a reliability test device includes the reliability test fixture 10 of the marine cabinet according to any one of the above embodiments, and also includes a vibration table 20 , a sensor 40 , and a transition plate 11 Installed on the vibrating table 20 . The sensor 40 is mounted on the reliability test jig 10 . Specifically, the sensor 40 is adhered and fixed to the reliability test jig 10 .

The above-mentioned reliability test device can determine the number of supporting frames 13 installed on the transition plate 11 according to the number of marine cabinets 30, and install more than two marine cabinets 30 on the transition plate 11 synchronously. The reliability test of more than two naval cabinets 30 can reduce the test time, improve the test efficiency, and have strong expansibility.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present utility model, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims (10)

1. a reliability test fixture of a marine cabinet, characterized in that the reliability test fixture of the marine cabinet comprises: a transition plate, the transition plate is used for being installed on the vibrating table, and the transition plate is used for connecting with the bottom wall of the marine cabinet; a support frame, the number of the support frames is more than two, and the two or more support frames are arranged on the transition plate side by side and at intervals; and There are two beams, one side of the two or more support frames is connected to one of the beams, and the other side of the two or more support frames is connected to the other side. The beams are connected, and one of the beams is used for connecting with the back of the marine cabinet. 2 . The reliability test fixture for a marine cabinet according to claim 1 , wherein a plurality of first mounting holes are provided on the transition plate, and the transition plate passes through the first mounting member through the first mounting member. 3 . A mounting hole is fixedly installed on the vibration table. 3 . The reliability test fixture for a marine cabinet according to claim 2 , wherein the first installation hole is a counterbore. 4 . 4 . The reliability test fixture for a marine cabinet according to claim 1 , wherein a plurality of second mounting holes are provided on the transition plate, and the transition plate passes through the first mounting hole through the second mounting member. 5 . Two installation holes are connected to the bottom wall of the marine cabinet; a number of third installation holes are arranged on the beam, and the beam passes through the third installation holes through the third installation piece and is connected to the marine cabinet. Connected on the back. 5 . The reliability test fixture for a marine cabinet according to claim 1 , wherein the transition plate, the support frame and the beam are all magnesium-aluminum alloy plates, stainless steel plates, iron plates, copper plates or Aluminum plate. 6 . The reliability test fixture for a marine cabinet according to claim 5 , wherein the support frame comprises a plurality of frame beams and a plurality of reinforcing beams; the frame beams are connected end to end to form a frame body, so The reinforcing beam is connected with the frame beam and is located inside the frame body. 7 . The reliability test fixture for a marine cabinet according to claim 6 , wherein the frame beam and the reinforcing beam both comprise a first plate body and a second plate body, and the first plate body and the The second plates are connected to form an L-shaped beam. 8 . The reliability test fixture for a marine cabinet according to claim 6 , wherein the adjacent frame beams are connected by welding, the frame beams and the reinforcing beams are connected by welding, and the adjacent frame beams are connected by welding. 9 . The reinforcing beams are welded and connected; the frame body is a square frame body; a plurality of the reinforcing beams are arranged inside the frame body in the shape of "meter", "X" or "cross". 9 . The reliability test fixture for a marine cabinet according to claim 5 , wherein the beam comprises a third plate body, a fourth plate body and a fifth plate body, and the fourth plate body and the The fifth plate body is respectively connected to two sides of the third plate body, and the third plate body, the fourth plate body and the fifth plate body enclose a groove body. 10. A reliability test device, characterized in that it includes the reliability test fixture for a marine cabinet according to any one of claims 1 to 9, and also includes a vibration table and a sensor, and the transition plate is installed on the on the vibration table; the sensor is installed on the reliability test fixture.

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