CN114636538A - Test box and vibration test system - Google Patents
Test box and vibration test system Download PDFInfo
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- CN114636538A CN114636538A CN202210359737.7A CN202210359737A CN114636538A CN 114636538 A CN114636538 A CN 114636538A CN 202210359737 A CN202210359737 A CN 202210359737A CN 114636538 A CN114636538 A CN 114636538A
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- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000000926 separation method Methods 0.000 claims abstract description 33
- 238000005192 partition Methods 0.000 claims abstract description 30
- 238000009413 insulation Methods 0.000 claims description 24
- 238000004321 preservation Methods 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 2
- 229920000126 latex Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 238000004088 simulation Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to the technical field of mechanical testing, in particular to a testing box body and a vibration testing system, which comprise a box body structure and a separation structure, wherein the separation structure is arranged in the box body structure and is suitable for being connected with a vibrator; the box structure is separated for first cavity and second cavity by the partition structure, and first cavity is suitable for installation environment and takes place the mechanism, and the second cavity is suitable for installation oil source mechanism. Through partition structure with box structure partition for first cavity and second cavity, when the mechanism work operation takes place for the environment on the first cavity, the piece that awaits measuring is tested along with the vibrator vibration in the first cavity, and partition structure can avoid the simulated environment that the mechanism produced to take place for the environment to produce the influence to the oil source mechanism in the second cavity, has ensured the normal work of oil source mechanism.
Description
Technical Field
The invention relates to the technical field of mechanical testing, in particular to a testing box body and a vibration testing system.
Background
Rotating parts such as gears are widely applied to transmission equipment, and vibration, fatigue and other tests need to be carried out in various working environments in order to test the fatigue strength and the service life of the rotating parts.
The existing testing device is generally provided with a gear box which is arranged on a horizontal table board and is tested under various comprehensive environments such as temperature, humidity, vibration, air pressure and the like, but when the testing device is used in a low-temperature environment, the too low temperature can influence system equipment arranged in the testing device, so that the testing result is inaccurate.
Disclosure of Invention
Therefore, an object of the present invention is to overcome the defect of the prior art that too low temperature may affect system devices installed in a test apparatus, and to provide a test chamber, including: the device comprises a box body structure and a separation structure, wherein the separation structure is arranged in the box body structure and is suitable for being connected with a vibrator; the box body structure is divided into a first cavity and a second cavity by the separation structure, the first cavity is suitable for mounting the environment generation mechanism, and the second cavity is suitable for mounting the oil source mechanism.
Further, the test box, the partition structure includes: the separation body is fixedly arranged in the box body structure; the first buffer is adapted to be installed between the vibrator and the partition body.
Further, this test box, the partition structure still includes: the first heat insulation piece is suitable for being installed on a vibration platform of the vibrator and fixedly connected with the first buffering piece.
Further, this test box, the partition structure still includes: a second buffer and a second thermal insulation; one end of the second heat insulation piece is fixedly connected with the box body structure, and the other end of the second heat insulation piece is connected with the first heat insulation piece through the second buffer piece.
Further, in the test box, the first buffer member and/or the second buffer member are rubber, silica gel or latex.
Further, this test box, the box structure includes: the box body, sealing member and heat preservation piece, the sealing member sets up the box body with between the heat preservation piece, the heat preservation piece with separate structural connection.
Further, this test box, the box structure still includes: the base frame is arranged at the bottom of the box body; the bracket body is connected between the base frame and the partition structure.
Further, this test box still includes: a third dampener, one end of the third dampener mounted on the base frame, another end of the third dampener adapted to be mounted on the bottom surface.
The invention also provides a vibration test system, comprising: the device comprises a vibrator, an environment generating mechanism, an oil source mechanism, a vibrator overturning and moving mechanism and the test box body.
Further, in the vibration testing system, the environment generating mechanism includes: a temperature control structure and/or a humidity control structure and/or a vacuum generating structure.
Further, this vibration test system still includes the heat preservation subassembly, includes: one end of the communicating piece is communicated with an air source, and the other end of the communicating piece is communicated with the second cavity; the switch piece is arranged on the communicating piece and is suitable for controlling the communication of the air source and the second cavity.
The technical scheme of the invention has the following advantages:
1. the invention provides a test box body, which comprises a box body structure and a separation structure, wherein the separation structure is arranged in the box body structure and is suitable for being connected with a vibrator; the box structure is separated for first cavity and second cavity by the partition structure, and first cavity is suitable for installation environment and takes place the mechanism, and the second cavity is suitable for installation oil source mechanism.
The box body structure is divided into the first cavity and the second cavity through the separating structure, when the environment generating mechanism on the first cavity works, the to-be-tested piece is tested along with vibration of the vibrator in the first cavity, the separating structure can avoid influence of a simulation environment generated by the environment generating mechanism on the oil source mechanism in the second cavity, and normal work of the oil source mechanism is ensured.
2. The invention provides a test box body, wherein a separation structure comprises a separation body, a first buffer piece, a second buffer piece, a first temperature-isolating piece and a second temperature-isolating piece, the separation body is fixedly arranged in a box body structure, the first temperature-isolating piece is suitable for being arranged on a vibration platform of a vibrator, the first buffer piece is suitable for being arranged between the vibrator and the separation body, the first temperature-isolating piece is fixedly connected with the first buffer piece, one end of the second temperature-isolating piece is fixedly connected with the box body structure, and the other end of the second temperature-isolating piece is connected with the first temperature-isolating piece through the second buffer piece.
When the vibrator works and operates, the first buffer part, the second buffer part, the first temperature isolating part and the second temperature isolating part can isolate the vibrator from the separation body, and the influence of the simulated environment generated by the environment generating mechanism on the vibrator and the separation body is reduced, so that the influence of the simulated environment generated by the environment generating mechanism on the oil source mechanism in the second cavity is avoided, the normal work of the oil source mechanism is ensured, meanwhile, the first buffer part and the second buffer part can buffer the separation body, and the vibration impact of the vibrator on the separation body is reduced.
3. The invention provides a test box body, which comprises a box body, a sealing element and a heat preservation element, wherein the sealing element is arranged between the box body and the heat preservation element, and the heat preservation element is connected with a separation structure.
Through set up the heat preservation piece between box body and partition structure, can reduce the simulated environment that the mechanism produced takes place for the environment and to box body and partition structure's influence to the simulated environment that the mechanism produced takes place for the environment is avoided producing the influence to the oil source mechanism in the second cavity, has ensured the normal work of oil source mechanism.
4. The box structure of the testing box provided by the invention further comprises a base frame and a support body, wherein the base frame is arranged at the bottom of the box body, and the support body is connected between the base frame and the separation structure.
Through connecting the partition structure on the stake body, increased the steadiness of partition structure in the box structure, can make the more firm installation of partition structure at the vibrator during operation at the box structurally.
5. The testing box body further comprises a third buffering member, wherein one end of the third buffering member is installed on the base frame, and the other end of the third buffering member is suitable for being installed on the bottom surface.
When the vibrator works, the third buffer can play a buffering role on the test box body, so that the vibration impact of the vibrator on the test box body is reduced, and the noise generated by work is reduced.
6. The invention provides a vibration test system which comprises a vibrator, an environment generating mechanism, an oil source mechanism, a vibrator overturning and moving mechanism, a test box body, a communicating piece and a switch piece, wherein one end of the communicating piece is communicated with an air source, the other end of the communicating piece is communicated with a second cavity, and the switch piece is arranged on the communicating piece and is suitable for controlling the communication between the air source and the second cavity.
The gas in the gas source is introduced into the second cavity through the communicating piece and the switch piece, and the gas in the second cavity moves towards the direction of the first cavity, so that the influence of a simulation environment generated when the environment generating mechanism works on the oil source mechanism in the second cavity can be reduced, and the normal work of the oil source mechanism is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a test box according to an embodiment of the present invention;
FIG. 2 is a schematic view of the direction of air flow in a vibration testing system according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a test chamber according to an embodiment of the present invention;
description of reference numerals: 1. a partition body; 2. a first buffer member; 3. a first thermal insulation member; 4. a vibrator; 5. a second thermal insulation member; 6. a second buffer member; 7. a box body; 8. a seal member; 9. a heat preservation member; 10. an environment generating mechanism; 11. a third buffer.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1 and 3, an embodiment of the testing box includes a box structure and a partition structure, the box structure is cylindrical, the interior of the box structure is a cavity, the partition structure is installed at a central position inside the box structure to partition the box structure into a first cavity and a second cavity, the top of the first cavity is suitable for installing the environment generating mechanism 10, the second cavity is suitable for installing the oil source mechanism, a connector is opened on a side wall of the box structure, and the vibrator 4 passes through the connector to be connected with the partition structure.
The present embodiment does not limit the structure of the box body, and in order to meet the practical situation, the structure of the box body is made of a metal material in the present embodiment.
When the environment generating mechanism 10 arranged at the upper end of the first cavity works, the to-be-tested piece is tested along with the vibration of the vibrator 4 in the first cavity, and the separation structure can avoid the influence of the simulation environment generated by the environment generating mechanism 10 on the first cavity on the oil source mechanism in the second cavity, so that the normal work of the oil source mechanism is ensured.
In this embodiment, the separation structure includes a separation body 1, a first buffer member 2, a second buffer member 6, a first thermal insulation member 3 and a second thermal insulation member 5, the separation body 1 is fixedly mounted at the central position inside the box structure, the first thermal insulation member 3 is mounted on the vibration platform of the vibrator 4, the first buffer member 2 is mounted at one end of the vibrator 4, which is far away from the vibrator 4, between the vibrator 4 and the separation body 1, the first thermal insulation member 3 is fixedly connected with the first buffer member 2, one end of the second thermal insulation member 5 is fixedly connected to one side, which is close to the vibrator 4, of the inner wall of the box structure, and the other end of the second thermal insulation member 6 is connected with the first thermal insulation member 3.
The first buffer member 2 and the second buffer member 6 are not limited in this embodiment, and in order to meet the practical situation, the first buffer member 2 and the second buffer member 6 are made of rubber material in this embodiment.
When the vibrator 4 works and operates, the first buffer part 2, the second buffer part 6, the first temperature insulating part 3 and the second temperature insulating part 5 can play an isolating role for the vibrator 4 and the separating body 1, and the influence of a simulation environment generated by the environment generating mechanism 10 on the vibrator 4 and the separating body 1 is reduced, so that the influence of the simulation environment generated by the environment generating mechanism 10 on an oil source mechanism in a second cavity is avoided, the normal work of the oil source mechanism is ensured, meanwhile, the first buffer part 2 and the second buffer part 6 can play a buffering role for the separating body 1, and the vibration impact of the vibrator 4 on the separating body 1 in the vibration process is reduced.
The second thermal insulation member 5 is not limited in this embodiment, and in order to meet the practical situation, the second thermal insulation member 5 is a thermal insulation cover in this embodiment, and the thermal insulation material is filled in both the partition body 1 and the thermal insulation cover.
In this embodiment, the box structure includes a box body 7, a sealing member 8, and a heat insulating member 9. This embodiment does not do the restriction to heat preservation 9, for according with the actual conditions, heat preservation 9 adopts the heated board in this embodiment, and the heated board is installed on the inner wall of box body 7 and partition structure, can reduce the simulation environment that the environment takes place the mechanism 10 and produces and to box body 7 and partition structure's influence to avoid the simulation environment that the environment takes place the mechanism 10 and produce the influence to the oil source mechanism in the second cavity, ensured the normal work of oil source mechanism. This embodiment does not do the restriction to sealing member 8, for the realistic conditions of the coincidence, sealing member 8 adopts thermal-insulated sealing washer in this embodiment, and the setting of thermal-insulated sealing washer takes place between mechanism 10 and between box body 7 and the heated board of connector department at box structure and environment, has increased the leakproofness of box structure.
The box structure further comprises a base frame and a support body, wherein the base frame is arranged at the bottom of the box body 7, and the support body is connected between the base frame and the separation structure. The upper end of the separation structure is connected to the inner wall of the box body structure through a fixed foot, the lower end of the separation structure is connected to the support body, the stability of the separation structure in the box body structure is improved, and the separation structure can be stably installed on the box body structure when the vibrator 4 works.
And a third buffer member 11 is further installed at the bottom end of the base frame, and one end of the third buffer member 11 is installed on the base frame and the other end is installed on the ground. The third buffer member 11 is not limited in this embodiment, and in order to meet the practical situation, in this embodiment, the third buffer member 11 employs an air spring, and when the vibrator 4 works, the air spring can buffer the test box, so as to reduce the vibration impact of the vibrator 4 on the ground, and reduce the noise generated by the work.
Example 2
As shown in fig. 2, the vibration testing system provided in this embodiment includes a vibrator 4, an environment generating mechanism 10, an oil source mechanism, a vibrator turning and moving mechanism, a testing box, a communicating member, and a switch member, where the environment generating mechanism 10 is fixedly connected to a first cavity on the testing box through a bolt, and the vibrator 4 is fixedly connected to the testing box through a connecting port, so that the whole testing box becomes a completely sealed cavity. The environment generating mechanism 10 comprises a temperature control structure, a humidity control structure and a vacuum generating structure, and can provide environments simulating humidity, low temperature and vacuum for the piece to be tested. One end of the communicating piece is communicated with the air source, the other end of the communicating piece is communicated with the second cavity, and the switch piece is arranged on the communicating piece and is suitable for controlling the communication between the air source and the second cavity. The vacuum pump is connected with first cavity, and when vacuum pump during operation, the gas in whole intracavity all is taken out, and whole proof box is sealed effectual, and the atress is even, can reach lower or higher atmospheric pressure. The embodiment does not limit the gas source, and in order to meet the practical situation, the gas source is set as a nitrogen source in the embodiment.
In the embodiment, a gap for communicating the first cavity and the second cavity is reserved between the vibrator 4 and the separation structure, when the test box body is vacuumized by a vacuum pump, the switch piece on the communication piece is opened, nitrogen is introduced into the second cavity, at the moment, because the whole test box body is in a vacuum state, the introduced nitrogen is gradually filled into the first cavity from the second cavity, meanwhile, the nitrogen is introduced into one side of the vibrator 4, the nitrogen is introduced into the heat insulation cover from one side of the vibrator 4, the nitrogen is introduced into the first cavity from the gap between the vibrator 4 and the separation structure, because the vacuum pump can generate upward suction to the nitrogen at the sides of the second cavity and the vibrator 4 during air extraction, and the low temperature generated by the environment generating mechanism 10 is permeated from top to bottom, therefore, when the nitrogen with opposite moving directions acts, the permeation of the temperature to the second cavity is reduced, the influence of the temperature on an oil source mechanism in the second cavity can be effectively reduced, the normal work of the oil source mechanism is ensured.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (11)
1. A test box, comprising:
a box structure;
a partition structure mounted within the box structure, the partition structure being adapted to be connected to a vibrator (4);
the box structure is divided into a first cavity and a second cavity by the separation structure, the first cavity is suitable for mounting an environment generation mechanism (10), and the second cavity is suitable for mounting an oil source mechanism.
2. The test cabinet of claim 1, wherein the partition structure comprises:
the separation body (1) is fixedly arranged in the box body structure;
a first buffer (2), said first buffer (2) being adapted to be mounted between said vibrator (4) and said separation body (1).
3. The test cabinet of claim 2, wherein the partition structure further comprises:
the first heat insulating piece (3), the first heat insulating piece (3) is suitable for being installed on the vibration platform of the vibrator (4), and the first heat insulating piece (3) is fixedly connected with the first buffering piece (2).
4. The test cabinet of claim 3, wherein the partition structure further comprises: a second buffer member (6) and a second thermal insulation member (5);
one end of the second heat insulation piece (5) is fixedly connected with the box body structure, and the other end of the second heat insulation piece is connected with the first heat insulation piece (3) through the second buffer piece (6).
5. A test chamber according to claim 4, characterized in that the first buffer (2) and/or the second buffer (6) are rubber or silicone or latex.
6. The test cabinet of any one of claims 1-5, wherein the cabinet structure comprises:
the box body (7), sealing member (8) and heat preservation (9), sealing member (8) set up box body (7) with between heat preservation (9), heat preservation (9) with the partition structure is connected.
7. The test cabinet of claim 6, wherein the cabinet structure further comprises:
the base frame is arranged at the bottom of the box body (7);
a bracket body connected between the base frame and the partition structure.
8. The test cabinet of claim 7, further comprising: a third dampener, one end of the third dampener mounted on the base frame, another end of the third dampener adapted to be mounted on the bottom surface.
9. A vibration testing system, comprising: a vibrator (4), an environment generating mechanism (10), an oil source mechanism, a vibrator tumbling and moving mechanism, and a test box according to any one of claims 1 to 8.
10. The vibration testing system according to claim 9, wherein the environment generating mechanism (10) comprises: a temperature control structure and/or a humidity control structure and/or a vacuum generating structure.
11. The vibration testing system of claim 10, further comprising a thermal insulation assembly comprising:
one end of the communicating piece is communicated with the air source, and the other end of the communicating piece is communicated with the second cavity;
and the switch piece is arranged on the communicating piece and is suitable for controlling the communication between the air source and the second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210359737.7A CN114636538B (en) | 2022-04-06 | 2022-04-06 | Test box and vibration test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210359737.7A CN114636538B (en) | 2022-04-06 | 2022-04-06 | Test box and vibration test system |
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| Publication Number | Publication Date |
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| CN114636538A true CN114636538A (en) | 2022-06-17 |
| CN114636538B CN114636538B (en) | 2024-03-08 |
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| CN114636538B (en) | 2024-03-08 |
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