CN210401587U - Vibration testing device for pressure switch - Google Patents
Vibration testing device for pressure switch Download PDFInfo
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- CN210401587U CN210401587U CN201920875706.0U CN201920875706U CN210401587U CN 210401587 U CN210401587 U CN 210401587U CN 201920875706 U CN201920875706 U CN 201920875706U CN 210401587 U CN210401587 U CN 210401587U
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Abstract
The utility model relates to a vibration testing arrangement for pressure switch, including box, shaking table and the installation frock of setting on the shaking table, the installation frock includes the mounting bracket and sets up the locating plate on the mounting bracket, mounting bracket and shaking table fixed connection, and the locating plate setting is equipped with horizontal trachea through-hole and a plurality of positioning screw hole on the mounting bracket and on the locating plate, and horizontal trachea through-hole link up each other with each positioning screw hole and the entrance point connection of horizontal trachea through-hole has a nitrogen cylinder. Utilize the shaking table to drive the vibration of installation frock, utilize location screw hole installation pressure switch simultaneously, horizontal trachea through-hole lets in nitrogen gas simulation pressure switch user state, and then carries out vibration detection to pressure switch, this a vibration testing arrangement for pressure switch simple structure, low in manufacturing cost adopt locating plate and mounting bracket swing joint, can diversely install, test pressure switch, and vibration test is effectual.
Description
Technical Field
The utility model relates to a vibration testing arrangement especially relates to a vibration testing arrangement for pressure switch.
Background
Pressure switch extensively applies to fields such as petroleum, chemical industry, metallurgy, electric power, water supply, in the control system in each field, pressure switch's operational environment is relatively complicated, difficult, it is very important whether it can still keep stability and reliability of product under complicated, relatively poor environment, therefore it is necessary to carry out the anti vibration test to pressure switch, the vibration test instrument of prior art is complicated and do not have the vibration testing arrangement who is exclusively used in pressure switch, the urgent need for a simple structure now, low in manufacturing cost and the vibration testing arrangement who is used for pressure switch that vibration testing effect is good.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide a simple structure, low in manufacturing cost and vibration test effectual a vibration testing arrangement for pressure switch.
The utility model discloses a realize through following technical scheme: the utility model provides a vibration testing arrangement for pressure switch, includes box, shaking table and sets up the installation frock on the shaking table, the installation frock includes the mounting bracket and sets up the locating plate on the mounting bracket, mounting bracket and shaking table fixed connection, the locating plate sets up on the mounting bracket and is equipped with horizontal trachea through-hole and a plurality of positioning screw hole on the locating plate, the entrance point that horizontal trachea through-hole and each positioning screw hole link up each other and horizontal trachea through-hole has the nitrogen cylinder.
An embodiment, for the convenience of the shaking table drives the vibration of installation frock, locating plate and mounting bracket fixed connection.
In another embodiment, in order to facilitate multidirectional vibration of the pressure switch and simulate the working state of the pressure switch in practical application as much as possible, the positioning plate is movably connected with the mounting frame.
For the convenience of locating plate and mounting bracket rotation, swing joint, the mounting bracket includes mounting plate, mounting disc and two installation curb plates of setting on the mounting disc, mounting plate is equipped with first location mounting hole with shaking table fixed connection and its central department, the mounting disc sets up on mounting plate and this has second location mounting hole of mounting disc central department, first location mounting hole passes through the locating pin with second location mounting hole and is connected and fixed through first clamp plate and first fixing bolt, the symmetry is equipped with the mounting hole respectively on two installation curb plates, the both ends setting of locating plate is in the mounting hole and through second fixing bolt and installation curb plate swing joint.
For the convenience of the vibration test of the pressure switch of multiple specifications, the vibration test device for the pressure switch still comprises a conversion joint, the conversion joint comprises a joint portion and a transition portion which are connected with each other, the joint portion comprises a joint column and an O-shaped ring which is arranged in the joint column in sequence and is communicated with each other, the O-shaped ring is arranged in a cavity and a joint threaded hole, the O-shaped ring is arranged in the cavity and is used for connecting the pressure switch, the joint threaded hole is used for connecting the bottom of the pressure switch, the transition portion is provided with an external thread and a transition portion which are matched with the positioning threaded hole, the transition portion is internally provided with an air vent which is communicated with the joint threaded hole, and.
In order to facilitate sealing, the inner diameter of the O-shaped ring accommodating cavity is larger than that of the clamping threaded hole.
In order to facilitate sealing, nitrogen is conveyed into the pressure switch, the condition of the pressure switch in practical application is simulated as much as possible, an annular groove is arranged between the clamping portion and the transition portion, and a sealing piece is arranged on the annular groove.
For further sealing, the top of the snap post has a sealing bevel.
In order to ensure that nitrogen is uniformly discharged, the outlet of the nitrogen bottle is connected with a nitrogen pressure reducer.
The utility model has the advantages that: utilize the shaking table to drive the vibration of installation frock, utilize location screw hole installation pressure switch simultaneously, horizontal trachea through-hole lets in nitrogen gas simulation pressure switch user state, and then carries out vibration detection to pressure switch, this a vibration testing arrangement for pressure switch simple structure, low in manufacturing cost adopt locating plate and mounting bracket swing joint, can diversely install, test pressure switch, and vibration test is effectual.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a positioning plate;
FIG. 3 is a schematic structural view of the mounting bracket;
fig. 4 is a schematic structural diagram of the box body, the vibration table and the installation tool of the present invention;
FIG. 5 is a schematic view of an assembly structure of the positioning plate, the mounting bracket and the pressure switch after rotation;
FIG. 6 is a schematic structural view of an adapter;
FIG. 7 is another schematic structural view of the crossover joint;
FIG. 8 is a schematic view showing an assembled structure of the adapter and the switch;
fig. 9 is a schematic structural diagram of another embodiment of the present invention;
FIG. 10 is a schematic diagram of a three-state switch test;
in the figure: 1. a vibration table; 211. mounting a bottom plate; 212. mounting a disc; 2122. an arc-shaped slideway; 213. installing a side plate; 214. a first positioning mounting hole; 215. a second positioning mounting hole; 216. positioning pins; 217. a first platen; 218. a first fixing bolt; 219. a second fixing bolt; 22. positioning a plate; 221. a transverse air pipe through hole; 222. positioning the threaded hole; 3. a nitrogen gas cylinder; 31. a nitrogen pressure reducer; 32. an air tube; 4. a crossover sub; 41. a clamping part; 411. a clamping column; 412. an O-shaped ring accommodating cavity; 413. clamping the threaded hole; 414. sealing the inclined plane; 42. a transition section; 421. a vent hole; 422. a seal member; 43. an annular groove; 5. a box body; 6. a pressure switch; 61. a seal ring; 71. mounting a plate; 72. a second platen; 73. a tracheal tube interface; 74. a rubber pad; 75. and positioning the lath.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.
As shown in fig. 1 and 2, a vibration testing device for a pressure switch comprises a box body 5, a vibration table 1 and an installation tool arranged on the vibration table 1, wherein the vibration table 1 is a full-automatic six-degree space all-in-one vibration table 1 with a specification of LD-XTP, the installation tool comprises a mounting frame and a positioning plate 22 arranged on the mounting frame, the mounting frame is fixedly connected with the vibration table 1, the positioning plate 22 is arranged on the mounting frame, the positioning plate 22 is provided with a transverse air pipe through hole 221 and a plurality of positioning threaded holes 222, the transverse air pipe through hole 221 is communicated with the positioning threaded holes 222, the inlet end of the transverse air pipe through hole 221 is connected with a nitrogen bottle 3, the interface of the air pipe 32 is connected with the nitrogen bottle 3 through an air pipe 32, in order to ensure that nitrogen gas is uniformly discharged, the outlet of the nitrogen bottle,
as shown in fig. 9, one embodiment: locating plate 22 and mounting bracket fixed connection, mounting bracket include mounting panel 71, first clamp plate 217 and location slat 75, the mounting bracket is fixed on shaking table 1, and first clamp plate 217 and mounting panel 71 parallel arrangement and first clamp plate 217 and mounting panel 71 between have and place the space, location slat 75 sets up in placing the space and with first clamp plate 217 and mounting panel 71 screw thread fixed connection, and mounting panel 71 top is installed rubber backing plate 74 and is fixed a position slat 75 middle part and is equipped with the trachea 32 interface, and it is required to explain, this embodiment because locating plate 22 is fixed connection, can not movable disassembly, can only carry out the vibration test in a position.
As shown in fig. 3-5, in another embodiment, in order to facilitate multi-directional vibration of the pressure switch 6 and simulate the working state of the pressure switch 6 in practical use as much as possible, the positioning plate 22 is movably connected to a mounting bracket, the mounting bracket includes a mounting bottom plate 211, a mounting plate 212 and two mounting side plates 213 disposed on the mounting plate 212, the mounting bottom plate 211 is fixedly connected to the vibration table 1, and a first positioning mounting hole 214 is disposed at the center of the mounting bottom plate 211, the mounting plate 212 is disposed on the mounting bottom plate 211, and a second positioning mounting hole 215 is disposed at the center of the mounting plate 212, the first positioning mounting hole 214 and the second positioning mounting hole 215 are connected by a positioning pin 216 and fixed by a first pressing plate 217 and a first fixing bolt 218, the two mounting side plates 213 are symmetrically disposed with mounting holes, two ends of the positioning plate 22 are disposed in the mounting holes and movably connected to the mounting side plates 213 by a second fixing bolt 219, the positioning plate 22 can be detached and then rotated by 90 degrees and then installed in the installation hole, as shown in fig. 5, the pressure switch 6 can be installed on the positioning plate 22 from the side, and then the simulated vibration test is performed, the arc-shaped slideway 2122 is arranged on the installation disc 212, and when the direction of the positioning plate 22 needs to be changed, the first fixing bolt 218 is manually loosened, so that the installation frame rotates around the positioning pin 216 and slides along the arc shape, and the next round of vibration test is performed.
As shown in fig. 6-8, in order to facilitate the vibration test of the pressure switch 6 with various specifications, the vibration testing device for the pressure switch further includes an adapter 4, the adapter 4 includes a clamping portion 41 and a transition portion 42 which are connected with each other, the clamping portion 41 includes a clamping column 411, an O-ring accommodating cavity 412O and a clamping threaded hole 413 which are arranged in the clamping column 411, sequentially and mutually communicated, the O-ring accommodating cavity is used for clamping an O-ring of the pressure switch 6, the clamping threaded hole 413 is used for clamping the bottom of the pressure switch 6, the transition portion 42 is provided with an external thread and the transition portion 42 is adapted to the positioning threaded hole 222, the transition portion 42 is provided with an air vent 421 communicated with the clamping threaded hole 413, the air vent 421 is communicated with the transverse air pipe through hole 221, the inner diameter of the O-ring accommodating cavity 412O is larger than the inner diameter of the clamping threaded hole 413, simulate the condition in the practical application of pressure switch 6 as far as possible, annular groove 43 has between joint portion 41 and the transition portion 42, be equipped with sealing member 422 on the annular groove 43, joint post 411 top has sealed inclined plane 414, sealed inclined plane 414 closely laminates with pressure switch 6's sealing washer 61.
As shown in fig. 1-10, the working principle is: screwing the pressure switch 6 into the positioning threaded hole 222 on the positioning plate 22, screwing different specifications into the positioning threaded hole 222 by means of the adapter 4, then connecting the transverse air pipe through hole 221 with nitrogen, starting the vibration table 1, starting vibration detection on the pressure switch 6, turning the position of the pressure switch 6 for detection, closing the nitrogen cylinder 3 and the vibration table 1, manually loosening the second fixing bolt 219 and rotating the positioning plate 22 clockwise or anticlockwise by 90 degrees, then screwing and fixing the positioning plate 22 by the first fixing bolt 218, and performing a lateral vibration test, as shown in fig. 10, for example, testing the performance of a three-state switch, keeping the high-pressure switch normally closed, adjusting the output pressure of the nitrogen pressure reducer 31, applying pressure gas about 0.3-0.4 MPa, so that the low-pressure switch keeps a switch-on state and forms a test loop with the high-pressure switch, under the condition of vibration, and measuring whether the three-state switch can be normally connected or not, or whether the contact has poor contact phenomenon caused by vibration or not.
Compared with the prior art, the vibration testing device for the pressure switch has the advantages of simple structure, low manufacturing cost, capability of installing and testing the pressure switch 6 in multiple directions and good vibration testing effect.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (9)
1. The utility model provides a vibration testing arrangement for pressure switch, includes box (5), shaking table (1) and sets up the installation frock on shaking table (1), characterized by: the installation tool comprises an installation frame and a positioning plate (22) arranged on the installation frame, the installation frame is fixedly connected with the vibrating table (1), the positioning plate (22) is arranged on the installation frame and is provided with a transverse air pipe through hole (221) and a plurality of positioning threaded holes (222) in the positioning plate (22), the transverse air pipe through hole (221) is communicated with the positioning threaded holes (222) each other, and the inlet end of the transverse air pipe through hole (221) is connected with a nitrogen bottle (3).
2. The vibration testing apparatus for a pressure switch according to claim 1, wherein: the positioning plate (22) is fixedly connected with the mounting frame.
3. The vibration testing apparatus for a pressure switch according to claim 1, wherein: the positioning plate (22) is movably connected with the mounting frame.
4. A vibration testing device for a pressure switch according to claim 3, wherein: the mounting bracket includes mounting panel (211), mounting disc (212) and two installation curb plates (213) of setting on mounting disc (212), mounting panel (211) and shaking table (1) fixed connection and its center department are equipped with first location mounting hole (214), mounting disc (212) set up on mounting panel (211) and this has second location mounting hole (215) of mounting disc (212) center department, first location mounting hole (214) are connected and are fixed through first clamp plate (217) and first fixing bolt (218) with second location mounting hole (215) through locating pin (216), the symmetry is equipped with the mounting hole on two installation curb plates (213) respectively, the both ends setting of locating plate (22) are in the mounting hole and through second fixing bolt (219) and installation curb plate (213) swing joint.
5. The vibration testing apparatus for a pressure switch according to claim 1, wherein: still include crossover sub (4), crossover sub (4) include interconnect's joint portion (41) and transition portion (42), joint portion (41) include joint post (411) and set up in joint post (411) and set gradually, the O type circle that link up each other holds chamber (412O) and joint screw hole (413), the O type holds the O type circle that the chamber is used for joint pressure switch (6), joint screw hole (413) are used for joint pressure switch (6) bottom, be equipped with external screw thread and transition portion (42) and positioning screw hole (222) looks adaptation on transition portion (42), be equipped with in transition portion (42) and link up air vent (421) mutually with joint screw hole (413), air vent (421) communicate with horizontal trachea through-hole (221).
6. The vibration testing apparatus for a pressure switch according to claim 5, wherein: the inner diameter of the O-shaped ring accommodating cavity (412O) is larger than that of the clamping threaded hole (413).
7. The vibration testing apparatus for a pressure switch according to claim 5, wherein: an annular groove (43) is formed between the clamping portion (41) and the transition portion (42), and a sealing piece (422) is arranged on the annular groove (43).
8. The vibration testing apparatus for a pressure switch according to claim 5, wherein: the top of the clamping column (411) is provided with a sealing inclined surface (414).
9. The vibration testing apparatus for a pressure switch according to claim 1, wherein: and the outlet of the nitrogen cylinder (3) is connected with a nitrogen pressure reducer (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875706.0U CN210401587U (en) | 2019-06-11 | 2019-06-11 | Vibration testing device for pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920875706.0U CN210401587U (en) | 2019-06-11 | 2019-06-11 | Vibration testing device for pressure switch |
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| Publication Number | Publication Date |
|---|---|
| CN210401587U true CN210401587U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920875706.0U Active CN210401587U (en) | 2019-06-11 | 2019-06-11 | Vibration testing device for pressure switch |
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| CN (1) | CN210401587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924124A (en) * | 2020-12-30 | 2021-06-08 | 广东电网有限责任公司电力科学研究院 | Vibration table for testing vibration characteristic of gas relay and testing method |
| CN112924123A (en) * | 2020-12-30 | 2021-06-08 | 广东电网有限责任公司电力科学研究院 | Vibration device for checking vibration characteristic of gas insulation transformer bank component |
-
2019
- 2019-06-11 CN CN201920875706.0U patent/CN210401587U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924124A (en) * | 2020-12-30 | 2021-06-08 | 广东电网有限责任公司电力科学研究院 | Vibration table for testing vibration characteristic of gas relay and testing method |
| CN112924123A (en) * | 2020-12-30 | 2021-06-08 | 广东电网有限责任公司电力科学研究院 | Vibration device for checking vibration characteristic of gas insulation transformer bank component |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 Xinnan village, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Leili pressure controller Co.,Ltd. Address before: 213000 Xinnan village, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU LEILI PRESSURE CONTROLLER CO.,LTD. |