CN110715785A - Three-dimensional vibration test device for radio frequency coaxial cable connector assembly - Google Patents
Three-dimensional vibration test device for radio frequency coaxial cable connector assembly Download PDFInfo
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- CN110715785A CN110715785A CN201911117761.4A CN201911117761A CN110715785A CN 110715785 A CN110715785 A CN 110715785A CN 201911117761 A CN201911117761 A CN 201911117761A CN 110715785 A CN110715785 A CN 110715785A
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- cable
- connector assembly
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- coaxial cable
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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
- G01M7/06—Multidirectional test stands
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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
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a three-way vibration test device for a radio frequency coaxial cable connector assembly, which comprises a vertical test unit and a horizontal test unit, wherein the vertical test unit comprises a mounting clamp, a vertical support and a vibration device, the mounting clamp is arranged below the vertical support, and the mounting clamp is fixed on the vibration device; the mounting fixture is vertically provided with a first fixing part pair which is used for clamping and fixing the two end connectors when the cable is vertically tested; the connectors at two ends of the cable to be tested with the connectors are respectively connected with the first fixing parts in an opposite mode, and the cable is hung on the top frame of the vertical support to form an inverted U-shaped structure. Through the structural design of the device, the vibration test of the cable with the connector to be tested along the axial direction of the cable and along multiple directions in the cross section of the cable is realized.
Description
Technical Field
The invention belongs to the field of detection of radio frequency coaxial cable connector assemblies, and particularly relates to a three-way vibration test device for a radio frequency coaxial cable connector assembly.
Background
At present, the radio frequency coaxial cable connector assembly mainly comprises a radio frequency coaxial connector, a radio frequency coaxial jumper, a radio frequency coaxial cluster assembly and the like, and is widely applied to the field of mobile communication network construction. The radio frequency coaxial cable connector assembly mainly plays a role in connection between cables, connection between equipment or connection between cables and equipment. As most application scenes are outdoor and have certain requirements on fixity, vibration resistance and windproof performance of connection, the current national standard and the industry standard examine the performances through vibration tests.
In the current national standard and industry standard, only the technical index requirements are provided for the vibration test: vibration frequency (such as 10 Hz-55 Hz, 10 Hz-500 Hz, 10 Hz-2000 Hz), vibration amplitude (such as 100 m/s)2～200m/s2) Vibration time (e.g. 30 minutes) and vibration direction (three mutually perpendicular directions: axial X-direction, tangential Y-direction, perpendicular Z-direction) and specifies that the test sample is mounted directly or via a clamp on the table of a vibrating table, only the two ends of the connector being fixed. The problems that the vibration amplitude of the whole test sample is freely fluctuated when the test sample vibrates, the length of the lofting device can be adjusted according to the length of the test sample and the like exist by installing and fixing the test sample through the fixture.
The radio frequency coaxial cable connector assembly mainly plays a connecting role, and the fixity performance between the connector and a cable is detected through a vibration test. In the prior art, the test sample is generally directly fixed on the vibrating table, vibration occurs on the whole test sample, and the vibration does not strictly adhere to the situation that the vibration occurs between the connector and the cable, so that the test requirement is greatly reduced, and the test purpose is deviated. Therefore, a testing device capable of ensuring the vibration between the cable and the connector when the cable is in the natural straightening process is needed.
Disclosure of Invention
The invention aims to: in order to overcome the problems in the prior art, the three-way vibration test device for the radio frequency coaxial cable connector assembly is provided, and the vibration test between the cable and the connector is carried out when the cable is ensured to be in a natural extension state through the three-way vibration test device, so that the effectiveness of the vibration test is improved.
The purpose of the invention is realized by the following technical scheme:
a three-way vibration test device for a radio frequency coaxial cable connector assembly comprises a vertical test unit and a horizontal test unit, wherein the vertical test unit comprises a mounting clamp, a vertical support and a vibration device, the mounting clamp is arranged below the vertical support, and the mounting clamp is fixed on the vibration device; the mounting fixture is vertically provided with a first fixing part pair which is used for clamping and fixing the two end connectors when the cable is vertically tested; the connectors at two ends of the cable to be tested with the connectors are respectively connected with the first fixing parts in an opposite mode, and the cable is hung on the top frame of the vertical support to form an inverted U-shaped structure.
According to a preferred embodiment, the top frame is a frame structure, a plurality of steel sheets for hanging cables are arranged in the top frame, springs are arranged at two ends of each steel sheet, and the steel sheets are connected with the outer frame of the top frame through the springs.
According to a preferred embodiment, the vertical support comprises 4 first support rods for structural support, the top end of each first support rod is connected with the top frame, and the first support rods are provided with telescopic structures.
According to a preferred embodiment, the pair of first fixing portions is provided with a screw structure matching the connector.
According to a preferred embodiment, the horizontal testing device comprises a mounting clamp, a horizontal bracket and a vibrating device, wherein the mounting clamp and the horizontal bracket are arranged side by side, and the mounting clamp is fixed on the vibrating device; the mounting fixture is provided with a second fixing part, the second fixing part comprises a first clamping part, a second clamping part and a positioning rod, the first clamping part is fixed on a bottom plate of the mounting fixture, the top of the first clamping part is provided with a plurality of positioning rods for guiding the second clamping part, the second clamping part is provided with positioning holes matched with the positioning rods, the second clamping part is sleeved on the positioning rods, and a plurality of clamping ports are arranged between the second clamping part and the first clamping part and used for horizontally clamping the two-end connectors of the cable; the connectors at two ends of the cable to be tested and provided with the connectors are respectively clamped in the two clamping ports, and the cable is horizontally fixed on the horizontal support to form a horizontally placed U-shaped structure.
According to a preferred embodiment, the horizontal bracket comprises a support frame body and a cable accommodating part, the cable accommodating part is horizontally arranged and is provided with a plurality of shock absorption blocks and buckles, and cables of cables to be tested with connectors are arranged on the shock absorption blocks and are fixed through the buckles.
According to a preferred embodiment, the cable receiving portion is provided with a plurality of parallel receiving areas, each receiving area being separated by a telescopic plate.
According to a preferred embodiment, the support frame body of the horizontal support is composed of 4 second support rods, 4 first beams and 4 second beams, wherein the first beams have a telescopic structure and are arranged along the extension direction of the cable.
According to a preferred embodiment, the second support bar has a telescopic structure.
The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the invention; in the invention, the selection (each non-conflict selection) and other selections can be freely combined. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.
The invention has the beneficial effects that: through the structural design of the device, the vibration test of the cable with the connector to be tested along the axial direction of the cable and along multiple directions in the cross section of the cable is realized. Meanwhile, the device can be used for carrying out vibration tests on a plurality of radio frequency coaxial connector assemblies. In addition, the vertical support and the horizontal support in the device are designed in a telescopic manner, and can be adaptively adjusted according to the specific length of a test sample, so that the device has a wider application range.
Drawings
FIG. 1 is a schematic structural view of a mounting clip of the present invention;
FIG. 2 is a schematic structural view of the vertical support of the present invention;
FIG. 3 is a schematic structural view of the horizontal support of the present invention;
the device comprises a mounting clamp, a fixing hole, a fixing part pair.
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. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that, in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
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 or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 specific cases to those skilled in the art.
In addition, it should be noted that, in the present invention, if the specific structures, connection relationships, position relationships, power source relationships, and the like are not written in particular, the structures, connection relationships, position relationships, power source relationships, and the like related to the present invention can be known by those skilled in the art without creative work on the basis of the prior art.
Example 1:
referring to fig. 1, 2 and 3, a three-way vibration testing apparatus for a radio frequency coaxial cable connector assembly is shown, the three-way vibration testing apparatus including a vertical testing unit and a horizontal testing unit.
Wherein, the vertical test unit is used for completing the vibration test in the cable axis direction. The horizontal test unit is used for completing a vibration test in the cable section direction.
Preferably, the vertical test unit comprises a mounting clamp 1, a vertical bracket 5 and a vibration device, wherein the mounting clamp 1 is arranged below the vertical bracket 5, and the mounting clamp 1 is fixed on the vibration device. Preferably, the bottom plate of the mounting fixture 1 is provided with a fixing hole 2 for providing an accommodating space for a fixing bolt between the mounting fixture 1 and the vibration device. The vibration device is used for providing a vibration power source for the vibration of the cable. The vibration direction of the vibration device is perpendicular to the bottom plate of the mounting fixture 1.
Preferably, the mounting fixture 1 is vertically provided with a first fixing part pair 3 for clamping and fixing the two-end connector when the cable is vertically tested. Further, the first pair of fixing portions 3 may further have a thread structure matching with the connector. For achieving the fixation of the connector.
Preferably, the connectors at two ends of the cable with connectors to be tested are respectively connected with the first fixing part pair 3, and the cable is hung on the top frame 7 of the vertical support to form an inverted U-shaped structure.
Therefore, the mounting fixture 1 is subjected to vibration treatment through the vibration device, so that vibration of the cable which is vertically arranged and fixed on the mounting fixture 1 is realized, and vibration treatment along the axial direction of the cable between the cable and the connector is also realized. Meanwhile, the vibration test in the axial direction of the cable can be completed by setting vibration parameters corresponding to vibration time, vibration frequency or vibration amplitude for the vibration device. Therefore, a tester can complete the evaluation of the cable subjected to the vibration test in the axial direction of the cable only by testing the electric signal conduction rate of the cable subjected to the test.
Further, the top frame 7 is a frame structure. A plurality of steel sheets 8 used for hanging cables are arranged in the top frame 7, springs 9 are arranged at two ends of each steel sheet 8, and the springs 9 are connected with the outer frame body of the top frame 7. Through the structural design of the springs 9 on the two sides of the steel sheet 8, the steel sheet 8 can vibrate along with the cable, and the situation that extra tension is applied to the cable when the steel sheet 8 is rigidly connected to the outer frame body is avoided.
Further, the vertical support 5 comprises 4 first support rods 6 for supporting the structure, the top ends of the first support rods 6 are connected with the top frame 7, and the first support rods 6 are provided with telescopic structures. The design of the telescopic structure of the first support rod 6 enables the vertical support 5 to adapt to various cable lengths.
Preferably, the horizontal test device comprises a mounting clamp 1, a horizontal bracket 10 and a vibration device, wherein the mounting clamp 1 and the horizontal bracket 10 are arranged side by side, and the mounting clamp 1 is fixed on the vibration device.
Preferably, the mounting fixture 1 is provided with a second fixing portion 4. The second fixing portion 4 includes a first clamping portion 4a, a second clamping portion 4b, and a positioning rod 4 c. The first clamping part 4a is fixed on the bottom plate of the mounting fixture 1, a plurality of positioning rods 4c used for guiding the second clamping part 4b are arranged at the top of the first clamping part 4a, positioning holes matched with the positioning rods 4c are formed in the second clamping part 4b, the second clamping part 4b is sleeved on the positioning rods 4c, and a plurality of clamping ports 4d are formed between the second clamping part 4b and the first clamping part 4a and used for horizontally clamping two end connectors of a cable.
Preferably, the connectors at two ends of the cable with connectors to be tested are respectively clamped in the two clamping ports 4d, and the cable is horizontally fixed on the horizontal bracket 10 to form a horizontally placed U-shaped structure.
Namely, the vibration power which is applied to the mounting fixture 1 by the vibration device and is vertical to the bottom plate of the mounting fixture 1 can realize the vibration which is applied to the cable and the space between the two end connectors of the cable in the cross section direction of the cable. Therefore, the vibration test of the cable cross section in the axial direction can be completed by setting vibration parameters corresponding to vibration time, vibration frequency or vibration amplitude for the vibration device. Therefore, a tester can complete the evaluation of the cable subjected to the vibration test in the cross section direction of the cable by only testing the electric signal conduction rate of the cable subjected to the test.
Further, by adjusting the clamping angle of the connector in the second fixing part 4, vibration tests at different angles in the cross section of the cable can be realized.
Preferably, the horizontal bracket 10 includes a support frame and a cable receiving portion. The cable containing part is horizontally arranged, the cable containing part is provided with a plurality of shock absorption blocks 14 and buckles 15, and cables of cables to be tested with connectors are arranged on the shock absorption blocks 14 and fixed through the buckles 15. Through the arrangement of the shock absorption block 14, the problem that the cable is fixed on a rigid connecting piece in the vibration process to cause tension on the cable is avoided, and therefore the final test result is influenced.
Preferably, the cable receiving portion is provided with a plurality of parallel receiving areas, and each receiving area is separated by a telescopic plate 16. That is, the present horizontal bracket 10 can accommodate a plurality of test cables at the same time.
Preferably, the support frame body of the horizontal support 10 is composed of 4 second support rods 11, 4 first beams 12 and 4 second beams, wherein the first beam 12 has a telescopic structure, and the first beam 12 is disposed along the extension direction of the cable. By means of the arrangement of the telescopic structure in the first cross beam 12, the length of the accommodating space can be adjusted based on the length of the cable to be tested by the horizontal support 10. Preferably, the second support bar 11 has a telescopic structure. The telescopic structure in the second support rod 11 is arranged to facilitate the horizontal bracket 10 to complete the height adjustment of the horizontal bracket 10, so that the horizontal bracket 10 can be positioned on the same horizontal plane between the cable and the connector which are horizontally placed as far as possible.
Through the structural design of the device, the vibration test of the cable with the connector to be tested along the axial direction of the cable and along multiple directions in the cross section of the cable is realized. Meanwhile, the device can be used for carrying out vibration tests on a plurality of radio frequency coaxial connector assemblies. In addition, the vertical support and the horizontal support in the device are designed in a telescopic manner, and can be adaptively adjusted according to the specific length of a test sample, so that the device has a wider application range.
The foregoing basic embodiments of the invention and their various further alternatives can be freely combined to form multiple embodiments, all of which are contemplated and claimed herein. In the scheme of the invention, each selection example can be combined with any other basic example and selection example at will.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A three-way vibration test device for a radio frequency coaxial cable connector assembly is characterized by comprising a vertical test unit and a horizontal test unit,
the vertical test unit comprises a mounting clamp (1), a vertical support (5) and a vibrating device, wherein the mounting clamp (1) is arranged below the vertical support (5), and the mounting clamp (1) is fixed on the vibrating device;
the mounting fixture (1) is vertically provided with a first fixing part pair (3) for clamping and fixing the two end connectors when a cable is vertically tested;
the connectors at two ends of the cable to be tested with the connectors are respectively connected with the first fixing part pair (3), and the cable is hung on the top frame (7) of the vertical support (5) to form an inverted U-shaped structure.
2. The three-way vibration test device for the radio frequency coaxial cable connector assembly according to claim 1, wherein the top frame (7) is a frame structure, a plurality of steel sheets (8) for hanging cables are arranged in the top frame (7), and springs (9) are arranged at two ends of each steel sheet (8) and connected with an outer frame of the top frame (7) through the springs (9).
3. The three-way vibration test device for the rf coaxial cable connector assembly according to claim 2, wherein the vertical bracket (5) comprises 4 first supporting rods (6) for structural support, each first supporting rod (6) is connected to the top frame (7) at the top end, and the first supporting rods (6) are provided with telescopic structures.
4. The three-way vibration testing apparatus for rf coaxial cable connector assembly according to claim 1, wherein the first pair of fixing portions (3) is provided with a screw structure for mating with a connector.
5. The three-way vibration testing device for the radio frequency coaxial cable connector assembly according to claim 1, wherein the horizontal testing device comprises a mounting fixture (1), a horizontal bracket (10) and a vibration device, the mounting fixture (1) is arranged side by side with the horizontal bracket (10), and the mounting fixture (1) is fixed on the vibration device;
the mounting fixture (1) is provided with a second fixing part, the second fixing part (4) comprises a first clamping part (4a), a second clamping part (4b) and a positioning rod (4c), wherein the first clamping part (4a) is fixed on a bottom plate of the mounting fixture (1), the top of the first clamping part (4a) is provided with a plurality of positioning rods (4c) used for guiding the second clamping part (4b), the second clamping part (4a) is provided with positioning holes matched with the positioning rods (4c), the second clamping part (4b) is sleeved on the positioning rods (4c), and a plurality of clamping ports (4d) are arranged between the second clamping part (4b) and the first clamping part (4c) and used for horizontally clamping two end connectors of a cable;
the connectors at two ends of the cable to be tested with the connectors are respectively clamped in the two clamping ports (4d), and the cable is horizontally fixed on the horizontal support (10) to form a horizontally-placed U-shaped structure.
6. The apparatus of claim 5, wherein the three-way vibration test device is configured to test the RF coaxial cable connector assembly,
the horizontal support (10) comprises a support frame body and a cable containing part, the cable containing part is horizontally arranged, the cable containing part is provided with a plurality of shock absorption blocks (14) and buckles (15), and cables to be tested, provided with connectors, of the cables are arranged on the shock absorption blocks (14) and fixed through the buckles (15).
7. The apparatus of claim 6, wherein the cable receiving portion has a plurality of parallel receiving areas, each receiving area being separated by a retractable plate (16).
8. The three-way vibration test device for the RF coaxial cable connector assembly according to claim 1, wherein the support frame body of the horizontal support (10) is composed of 4 second support rods (11), 4 first beams (12) and 4 second beams (13),
wherein, the first beam (12) has a telescopic structure, and the first beam (12) is arranged along the extension direction of the cable.
9. A three-way vibration testing device for rf coaxial cable connector assembly according to claim 1, wherein the second supporting rod (11) has a telescopic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117761.4A CN110715785A (en) | 2019-11-15 | 2019-11-15 | Three-dimensional vibration test device for radio frequency coaxial cable connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117761.4A CN110715785A (en) | 2019-11-15 | 2019-11-15 | Three-dimensional vibration test device for radio frequency coaxial cable connector assembly |
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| Publication Number | Publication Date |
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| CN110715785A true CN110715785A (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911117761.4A Pending CN110715785A (en) | 2019-11-15 | 2019-11-15 | Three-dimensional vibration test device for radio frequency coaxial cable connector assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701974A (en) * | 2021-09-13 | 2021-11-26 | 安徽中邦特种电缆科技有限公司 | Cable assembly vibration test device |
| CN114935440A (en) * | 2022-05-23 | 2022-08-23 | 安徽中邦特种电缆科技有限公司 | Triaxial vibration cable connection test bench |
-
2019
- 2019-11-15 CN CN201911117761.4A patent/CN110715785A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701974A (en) * | 2021-09-13 | 2021-11-26 | 安徽中邦特种电缆科技有限公司 | Cable assembly vibration test device |
| CN113701974B (en) * | 2021-09-13 | 2023-10-03 | 安徽中邦特种电缆科技有限公司 | Cable assembly vibration test device |
| CN114935440A (en) * | 2022-05-23 | 2022-08-23 | 安徽中邦特种电缆科技有限公司 | Triaxial vibration cable connection test bench |
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