CN112834147B - Connector connection stability detection equipment - Google Patents
Connector connection stability detection equipment Download PDFInfo
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- CN112834147B CN112834147B CN202110003619.8A CN202110003619A CN112834147B CN 112834147 B CN112834147 B CN 112834147B CN 202110003619 A CN202110003619 A CN 202110003619A CN 112834147 B CN112834147 B CN 112834147B
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- rotating frame
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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
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
Abstract
The invention discloses a connector connection stability detection device which comprises a base, a support column, a universal driving structure and a workbench, wherein the lower end of the support column is installed on the base, the center of the lower surface of the workbench is installed at the top end of the support column through the universal support structure, and the workbench is provided with a universal vibration structure. The workstation is direct to be installed through universal bearing structure, it can be like the joint do the rotation of certain extent around the mounting point, and universal vibration structure can drive the workstation and make the vibration of all directions, various vibration scenes that fully simulate the connector and bear, the connector that waits to detect is placed on the workstation, if the test is unqualified, then the vibration back that finishes, connector hookup location loosens and drops even, compare in direct one-way vibration, universal vibration can play and detect the precision higher, adaptability is better, with the effect of actual more laminating.
Description
Technical Field
The invention relates to the technical field of connector detection, in particular to a connector connection stability detection device.
Background
After the production of the electric connector is finished, the electric connector can go through a plurality of detection procedures, one of the detection procedures is the detection of the connection stability, and whether a connector reed pre-tightening structure can provide continuous effective pre-tightening force in the connection process is mainly tested, so that the connection is ensured not to be loosened, and the connection stability is improved.
However, in the prior art, generally, the connected connector is placed on a workbench conventionally, then vibration force is applied for a certain time, and then whether the connection is loosened or not is checked, so that the problem of inaccurate simulation exists.
Disclosure of Invention
An object of the present invention is to provide a connector connection stability detecting apparatus to solve the problems set forth in the above background art.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a connector connection stability check out test set, check out test set include base, support column, universal drive structure, workstation, and the support column lower extreme is installed on the base, and workstation lower surface central point puts and installs on the top of support column through universal bearing structure, and the workstation has universal vibration structure. The workstation is direct to be installed through universal bearing structure, it can be like the joint do the rotation of certain extent around the mounting point, and universal vibration structure can drive the workstation and make the vibration of all directions, various vibration scenes that fully simulate the connector and bear, the connector that waits to detect is placed on the workstation, if the test is unqualified, then the vibration back that finishes, connector hookup location loosens and drops even, compare in direct one-way vibration, universal vibration can play and detect the precision higher, adaptability is better, with the effect of actual more laminating.
Furthermore, the universal support structure is a universal ball bearing. The universal ball bearing is convenient to connect, simple in structure and easy to maintain and replace.
Furthermore, the universal vibration structure comprises a first rotating frame, a second rotating frame, a third rotating frame, a supporting plate and a plane bearing, wherein one end of the first rotating frame is rotatably arranged on the supporting column, the other end of the first rotating frame is used as a free end to provide an installation position for the second rotating frame, the other end of the second rotating frame is used as a free end to provide an installation position for the third rotating frame, the other end of the third rotating frame is hinged to the lower surface of the workbench, rotating shafts of the first rotating frame, the second rotating frame and the third rotating frame are mutually vertical, the supporting plate is fixed with the second rotating frame, and the plane bearing is arranged between the bottom surface of the supporting plate and the base to carry out horizontal sliding support;
the first rotary frame is provided with a vibration motor at the connecting position of the first rotary frame and the supporting column to drive the first rotary frame to rotate around the rotary vibration of the supporting column, the second rotary frame is provided with a vibration motor at the connecting position of the second rotary frame and the first rotary frame to drive the second rotary frame to rotate around the rotary vibration of the free end of the first rotary frame, and the third rotary frame is provided with a vibration motor at the connecting position of the third rotary frame and the second rotary frame to drive the third rotary frame to rotate around the selective rotary vibration of the free end of the second rotary frame.
The three rotary motions of the first rotary frame, the second rotary frame and the third rotary frame are comprehensively transmitted to the end part of the third rotary frame to be used as the vibration quantity and direction for driving the workbench, the vibration amplitude of the three rotary frames is controlled to change so that the universal vibration of the workbench can be obtained, and the vibration amplitude of the rotary frames can be controlled through the vibration motor at three rotary positions.
Furthermore, a chaotic force distribution structure is arranged in the base and provides a control basis for the vibration motors of the first rotating frame, the second rotating frame and the third rotating frame to realize chaotic vibration. Although the vibration of the universal vibration structure can be carried out in a plurality of degrees of freedom, if the vibration is regular and orderly vibration, the aim of simulating an actual scene cannot be fully met, the vibration motor can only vibrate according to control, and can only vibrate with specific amplitude under the condition that the internal structure is not changed, for the conventional vibration motor, the spring stiffness of the internal part of the vibration motor, which is contacted with the cam, and the eccentricity degree of the cam are decisive factors of the amplitude, the spring structure in the vibration motor is modified, so that the stiffness can be increased or reduced through the electromagnet, different amplitudes can be given under the same input current and voltage of the cam rotor, but the irregular amplitude control cannot be realized by the conventional mechanical structure, and the amplitude control by the computer is difficult to realize because the computer gives a control signal through a control equation, the control equation is a regularity, and the realization of computer programming control is difficult, and the structure is complex.
Furthermore, the chaotic force distribution structure comprises a base disc, an installation column, a first swing rod, a second swing rod, a first sliding needle, a second sliding needle and a common column, wherein the base disc is a metal piece and is vertically placed, the installation column is fixed in the center of the base disc and is horizontally arranged, one end of the first swing rod is hinged with the installation column, the other end of the first swing rod is hinged with one end of the second swing rod, the length of the second swing rod is shorter than that of the first swing rod, and the first swing rod and the second swing rod freely swing in a vertical plane;
a first sliding needle is arranged at the hinged position of the first swing rod and the second swing rod and faces the base plate, a second sliding needle is arranged at the free end of the second swing rod and faces the base plate, the first sliding needle and the second sliding needle are in sliding contact with the surface of the base plate,
the public column is fixed at the outer edge of the base plate and is horizontally arranged, one end, far away from the base plate, of the mounting column, the first sliding needle, the second sliding needle and the public column is provided with a flexible cable, and the distances between the mounting column, the first sliding needle and the public column and between the mounting column, the first sliding needle and the second sliding needle and the public column are transmitted to the first rotary frame, the second rotary frame and the third rotary frame in a resistance mode to be used as amplitude reference.
The first swing rod and the second swing rod with different lengths are in a chaotic state when freely swinging in a vertical plane, the free ends of the first swing rod and the second swing rod, which are far away from the mounting column, are in a disordered track, the track formed by the end parts of the second swing rod is a circular swing of the mounting column, although the movement of the end of the first swing rod, which is far away from the mounting column, is a circular swing of the mounting column, the distance between the first swing rod and the common column is constantly changed, the distances between the mounting column, the first sliding needle and the second sliding needle and the common column are unequal, only the distance between the mounting column and the common column is fixed, and the ratio of the three distances is a chaotic change, so that the three distances are taken as a control basis, the resistance values of the three parts reflected by the base plate are taken as the control basis of the vibration motor in the first rotating frame, the second rotating frame and the third rotating frame, as mentioned above, the vibration motor is transformed, and the spring which provides pressure for the eccentric rotor to reset is subjected to rigidity increase and decrease through an electromagnet structure, the electromagnetic force of the electromagnet is controlled by the external current, and the external current is controlled by the resistance value of the chaotic change, so that the vibration with two amplitudes in chaotic change can be obtained, although the third vibration amplitude related to the mounting column is not changed, in the three amplitudes, after two chaotic changes, the ratio of the three chaotic changes, namely chaotic vibration simulation is carried out.
Furthermore, the first sliding needle and the second sliding needle are made of graphite. The graphite has good conductivity and small friction coefficient, and when the graphite is contacted with the base plate, although sliding friction exists, the friction force is small, so that the chaotic effect of the double-oscillating-bar system is reduced as much as possible.
Compared with the prior art, the invention has the following beneficial effects: the invention realizes the universal vibration of the workbench by overlapping the three rotating frames which are respectively vertical to the rotating directions, controls the three rotating frame rotating vibration motors to realize the independent control of the amplitude by the transformation of the internal structure, controls the amplitude by three resistance values of which the specific values do not need to be changed, obtains the ratio of chaotic change in a sliding rheostat mode by selecting specific point positions, and sequentially controls the three-degree-of-freedom vibration in a disordered change proportion, thereby constructing the disordered universal vibration on the workbench, simulating the actual scene and detecting the connection stability of the connector.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is view A-A of FIG. 1;
FIG. 3 is a schematic elevational view of the chaotic force distribution assembly of the present invention;
FIG. 4 is a schematic top view of the chaotic force distribution assembly of the present invention;
in the figure: 1-base, 2-support column, 31-first rotating frame, 32-second rotating frame, 33-third rotating frame, 34-support plate, 35-plane bearing, 4-operation platform, 5-universal ball bearing, 6-chaotic force distribution component, 61-installation column, 62-first swing rod, 63-second swing rod, 64-first sliding needle, 65-second sliding needle, 66-common column and 67-base plate.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, the present invention provides the following technical solutions:
the utility model provides a connector connection stability check out test set, check out test set include base 1, support column 2, universal drive structure, workstation 4, and 2 lower extremes of support column are installed on base 1, and 4 lower surface central points of workstation put through universal bearing structure and install on the top of support column 2, and workstation 4 has universal vibrating structure. Workstation 4 is direct to be installed through universal bearing structure, it can do the rotation of certain extent around the mounting point like the joint, and universal vibration structure can drive workstation 4 and make the vibration of all directions, various vibration scenes that fully simulate the connector and bear, the connector that waits to detect is placed on the workstation, if the test is unqualified, then the vibration back that finishes, connector hookup location loosens and drops even, compare in direct one-way vibration, universal vibration can play and detect the precision higher, the adaptability is better, with the effect of actually laminating more.
The universal supporting structure is a universal ball bearing 5. The universal ball bearing 5 is convenient to connect, simple in structure and easy to maintain and replace.
The universal vibration structure comprises a first rotating frame 31, a second rotating frame 32, a third rotating frame 33, a supporting plate 34 and a plane bearing 35, wherein one end of the first rotating frame 31 is rotatably installed on the supporting column 2, the other end of the first rotating frame 31 serves as a free end to provide an installation position for the second rotating frame 32, the other end of the second rotating frame 32 serves as a free end to provide an installation position for the third rotating frame 33, the other end of the third rotating frame 33 is hinged to the lower surface of the workbench 4, the rotating shafts of the first rotating frame 31, the second rotating frame 32 and the third rotating frame 33 are mutually vertical, the supporting plate 34 is fixed with the second rotating frame 32, and the plane bearing 35 is filled between the bottom surface of the supporting plate 34 and the base 1 for horizontal sliding support;
the first rotating frame 31 is provided with a vibration motor at the connecting position of the first rotating frame 31 and the supporting column 2 to drive the first rotating frame 31 to rotate and vibrate around the supporting column 2, the second rotating frame 32 is provided with a vibration motor at the connecting position of the second rotating frame 32 and the first rotating frame 31 to drive the second rotating frame 32 to rotate and vibrate around the free end of the first rotating frame 31, and the third rotating frame 33 is provided with a vibration motor at the connecting position of the third rotating frame 33 and the second rotating frame 32 to drive the third rotating frame 33 to rotate and vibrate around the free end of the second rotating frame 32.
The three rotational movements of the first rotating frame 31, the second rotating frame 32 and the third rotating frame 33 are comprehensively transmitted to the end of the third rotating frame 33 to be used as the vibration quantity and direction for driving the workbench 4, the vibration amplitude of the three rotating frames is controlled to change, so that the universal vibration of the workbench 4 can be obtained, and the vibration amplitude of the rotating frames can be controlled by the vibration amplitude of the vibration motors at three rotational positions.
The chaotic force distribution structure 6 is arranged in the base 1, and the chaotic force distribution structure 6 provides a control basis for the vibration motors of the first rotating frame 31, the second rotating frame 32 and the third rotating frame 33 to realize chaotic vibration. Although the vibration of the universal vibration structure can be carried out in a plurality of degrees of freedom, if the vibration is regular and orderly vibration, the aim of simulating an actual scene cannot be fully met, the vibration motor can only vibrate according to control, and can only vibrate with specific amplitude under the condition that the internal structure is not changed, for the conventional vibration motor, the spring stiffness of the internal part of the vibration motor, which is contacted with the cam, and the eccentricity degree of the cam are decisive factors of the amplitude, the spring structure in the vibration motor is modified, so that the stiffness can be increased or reduced through the electromagnet, different amplitudes can be given under the same input current and voltage of the cam rotor, but the irregular amplitude control cannot be realized by the conventional mechanical structure, and the amplitude control by the computer is difficult to realize because the computer gives a control signal through a control equation, the control equation is a regularity, and the realization of computer programming control is difficult, and the structure is complex.
The chaotic force distribution structure 6 comprises a base disc 67, an installation column 61, a first swing rod 62, a second swing rod 63, a first sliding needle 64, a second sliding needle 65 and a common column 66, wherein the base disc 67 is a metal piece and is vertically placed, the installation column 61 is fixed in the center of the base disc 67 and is horizontally arranged, one end of the first swing rod 62 is hinged with the installation column 61, the other end of the first swing rod 62 is hinged with one end of the second swing rod 63, the length of the second swing rod 63 is shorter than that of the first swing rod 62, and the first swing rod 62 and the second swing rod 63 freely swing in a vertical plane;
a first sliding needle 64 is arranged towards the base plate 67 at the hinged position of the first swing rod 62 and the second swing rod 63, a second sliding needle 65 is arranged towards the base plate 67 at the free end part of the second swing rod 63, the first sliding needle 64 and the second sliding needle 65 are in sliding contact with the surface of the base plate,
the common column 66 is fixed at the outer edge position of the base plate 67 and is horizontally arranged, the flexible cable is arranged at one end of each of the mounting column 61, the first sliding needle 64, the second sliding needle 65 and the common column 66, which is far away from the base plate 67, and the distances between the mounting column 61, the first sliding needle 64 and the second sliding needle 65 and the common column 66 are respectively transmitted to the first rotating frame 31, the second rotating frame 32 and the third rotating frame 33 in a resistance mode to be used as amplitude references.
As shown in fig. 3 and 4, the first swing link 62 and the second swing link 63 with different lengths are in a chaotic state when freely swinging in a vertical plane, the free ends far away from the mounting post 61, namely, the tracks formed by the ends of the second swing link 63 are disordered tracks, the movement of the end of the first swing link 62 far away from the mounting post 61 is a circular swing of the mounting post 61, but the distances from the mounting post 61 to the common post 66 are also constantly changed, as shown in fig. 3, the distances from the mounting post 61, the first sliding pin 64 and the second sliding pin 65 to the common post 66 are respectively L1/L2/L3, only L1 is fixed, and therefore, the change of L2/L3 is a chaotic change, therefore, the resistance values of the three distances are taken as a control basis, and the resistance values of the three resistance values reflected by the base plate 67 are taken out and the three resistance values of the three constantly changed are taken as the first rotating frame 31, the second rotating frame 32, the rotating frame 32 and the rotating frame are respectively The control basis of the vibration motor in the third rotating frame 33 is, as mentioned above, the vibration motor is modified, the spring which provides pressure for the eccentric rotor to reset is subjected to rigidity increase and decrease through the electromagnet structure, the electromagnetic force of the electromagnet is controlled through the external current, and the external current is controlled through the resistance value of the chaotic change, so that the vibration with two amplitude chaotic changes can be obtained, although the third vibration amplitude related to the mounting post 61 is not changed, in three amplitudes, after two chaotic changes are carried out, the ratio of the three chaotic changes is also chaotic, which is equivalent to chaotic vibration simulation.
The first and second sliding pins 64 and 65 are made of graphite. The graphite has good conductivity and small friction coefficient, and when the graphite is in contact with the base plate 67, although sliding friction exists, the friction force is small, and the chaotic effect of the double-pendulum rod system is reduced as much as possible.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a connector connection stability check out test set which characterized in that: the detection equipment comprises a base (1), a support column (2), a universal driving structure and a workbench (4), wherein the lower end of the support column (2) is installed on the base (1), the central position of the lower surface of the workbench (4) is installed at the top end of the support column (2) through the universal support structure, and the workbench (4) is provided with a universal vibration structure;
the universal vibration structure comprises a first rotating frame (31), a second rotating frame (32), a third rotating frame (33), a support plate (34) and a plane bearing (35), wherein one end of the first rotating frame (31) is rotatably installed on the support column (2), the other end of the first rotating frame (31) serves as a free end to provide an installation position for the second rotating frame (32), the other end of the second rotating frame (32) serves as a free end to provide an installation position for the third rotating frame (33), the other end of the third rotating frame (33) is hinged to the lower surface of the workbench (4), rotating shafts of the first rotating frame (31), the second rotating frame (32) and the third rotating frame (33) are perpendicular to each other, the support plate (34) is fixed with the second rotating frame (32), and the plane bearing (35) is filled between the bottom surface of the support plate (34) and the base (1) for horizontal sliding support;
the first rotating frame (31) is provided with a vibration motor at the connecting position of the first rotating frame (31) and the supporting column (2) to drive the first rotating frame (31) to rotate around the supporting column (2), the second rotating frame (32) is provided with a vibration motor at the connecting position of the second rotating frame (32) and the first rotating frame (31) to drive the second rotating frame (32) to rotate around the rotating vibration of the free end of the first rotating frame (31), and the third rotating frame (33) is provided with a vibration motor at the connecting position of the third rotating frame (33) and the second rotating frame (32) to drive the third rotating frame (33) to rotate around the rotating vibration of the free end of the second rotating frame (32).
2. The connector connection stability detection device according to claim 1, wherein: the universal support structure is a universal ball bearing (5).
3. The connector connection stability detection device according to claim 1, wherein: the chaotic force distribution structure (6) is arranged in the base (1), and the chaotic force distribution structure (6) provides control basis for the vibration motors of the first rotary frame (31), the second rotary frame (32) and the third rotary frame (33) to realize chaotic vibration.
4. A connector connection stability detecting apparatus according to claim 3, wherein: the chaotic force distribution structure (6) comprises a base plate (67), an installation column (61), a first swing rod (62), a second swing rod (63), a first sliding needle (64), a second sliding needle (65) and a common column (66), wherein the base plate (67) is a metal piece and is vertically placed, the installation column (61) is fixed in the center of the base plate (67) and is horizontally arranged, one end of the first swing rod (62) is hinged with the installation column (61), the other end of the first swing rod is hinged with one end of the second swing rod (63), the length of the second swing rod (63) is shorter than that of the first swing rod (62), and the first swing rod (62) and the second swing rod (63) freely swing in a vertical plane;
a first sliding needle (64) is arranged at the hinged position of the first swing rod (62) and the second swing rod (63) and faces the base plate (67), a second sliding needle (65) is arranged at the free end of the second swing rod (63) and faces the base plate (67), the first sliding needle (64) and the second sliding needle (65) are in sliding contact with the surface of the base plate,
public post (66) are fixed in the outer fringe position and the level setting of basal disc (67), the one end that installing post (61), first sliding pin (64), second sliding pin (65), public post (66) are kept away from basal disc (67) respectively sets up flexible cable conductor, and the distance that installing post (61), first sliding pin (64), second sliding pin (65) and public post (66) respectively transmit for first spiral frame (31), second spiral frame (32), third spiral frame (33) with resistance form and be used as the amplitude reference.
5. The connector connection stability detection apparatus according to claim 4, wherein: the first sliding needle (64) and the second sliding needle (65) are made of graphite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110003619.8A CN112834147B (en) | 2021-01-04 | 2021-01-04 | Connector connection stability detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110003619.8A CN112834147B (en) | 2021-01-04 | 2021-01-04 | Connector connection stability detection equipment |
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| CN112834147A CN112834147A (en) | 2021-05-25 |
| CN112834147B true CN112834147B (en) | 2022-07-12 |
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| GB9222961D0 (en) * | 1992-11-03 | 1992-12-16 | Denne Dev Limited | Simulator mechanism |
| GB2444910A (en) * | 2006-12-20 | 2008-06-25 | Rolls Royce Plc | A work support |
| CN106197921A (en) * | 2016-06-23 | 2016-12-07 | 张泓泽 | A kind of adjustable flexible vibration mechine |
| CN110077989B (en) * | 2019-05-29 | 2024-03-15 | 三一汽车制造有限公司 | Vibration detection equipment and supporting device thereof |
| CN111571419B (en) * | 2020-05-31 | 2021-12-14 | 江苏鑫瑞杰智能装备有限公司 | Vibration grinding machine |
| CN112229592A (en) * | 2020-11-13 | 2021-01-15 | 茅台学院 | Novel multi freedom shaking table |
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