CN111024383B - Mechanical life experimental device for ring main unit toggle switch - Google Patents
Mechanical life experimental device for ring main unit toggle switch Download PDFInfo
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- CN111024383B CN111024383B CN201911377850.2A CN201911377850A CN111024383B CN 111024383 B CN111024383 B CN 111024383B CN 201911377850 A CN201911377850 A CN 201911377850A CN 111024383 B CN111024383 B CN 111024383B
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- 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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Abstract
The invention discloses a mechanical life experimental device of a toggle switch of a ring main unit, which relates to the field of ring main units and comprises a test bed, wherein a test groove for placing the toggle switch is arranged on the upper end surface of the test bed; the two cylinders are positioned on two symmetrical sides of the test groove and fixed on the upper end surface of the test bed; the pushing part corresponds to the air cylinder, is fixed on the upper end face of the test bed and is in power connection with the output shaft of the corresponding air cylinder; when testing toggle switch, place the in-process in the test chamber at toggle switch, make toggle switch's the direction of stirring unanimous with the promotion direction of promotion portion, restart cylinder, make the output shaft of one of them cylinder stretch out the back, promote toggle switch, make toggle switch's poker rod stir once, the output shaft of another cylinder has just stretched out this moment, the motion process through above-mentioned cylinder makes promotion portion stir to toggle switch's poker rod back and forth, realize the experimental automation of toggle switch mechanical life, the cost of labor and time cost have been practiced thrift.
Description
Technical Field
The invention relates to the field of ring main units, in particular to a mechanical life experiment device for a ring main unit toggle switch.
Background
The Ring Main Unit (Ring Main Unit) is an electrical device with a group of high-voltage switch devices arranged in a metal or nonmetal insulating cabinet body or made into an assembled interval Ring Main power supply Unit, and the core part of the Ring Main Unit adopts a load switch and a fuse. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like. Some switches that use in the looped netowrk cabinet, for example toggle switch, generally can require it in the number of times of stirring the regulation, its electrical property and mechanical properties remain stable, consequently when using, need extract a certain amount of samples earlier and carry out mechanical life test to judge whether a batch of toggle switch's product meets the requirements.
The applicant found that: when mechanical life tests are carried out on the toggle switch, a lot of manual toggle modes are adopted for detection, and the mode is low in efficiency and labor-wasting.
Disclosure of Invention
In view of this, the invention aims to provide a mechanical life experiment device for a ring main unit toggle switch, so as to solve the technical problems that in the prior art, when a mechanical life experiment is performed on the toggle switch, a manual toggle mode is adopted for detection, and on one hand, the mode is low in efficiency and wastes manpower.
Based on the above purpose, the invention provides a mechanical life experiment device for a ring main unit toggle switch, which comprises
The upper end surface of the test bed is provided with a test groove for placing the toggle switch;
the two cylinders are positioned on two symmetrical sides of the test groove and fixed on the upper end surface of the test bed;
the pushing part corresponds to the air cylinder, is fixed on the upper end face of the test bed and is in power connection with the output shaft of the corresponding air cylinder;
in the process that the toggle switch is placed in the test tank, the toggle direction of the toggle switch is consistent with the pushing direction of the pushing portion, the air cylinders are started again, the output shaft of one of the air cylinders stretches out, the output shaft of the other air cylinder just stretches out, and therefore the pushing portion is enabled to toggle the toggle rod of the toggle switch through the air cylinders.
Further, the pushing part comprises a pushing part,
the fixing block is fixed on the edge of the test groove on the upper end surface of the test bed and provided with a sliding hole;
the push rod is connected with the sliding hole in a sliding mode, the push rod is arranged along the shifting direction of the toggle switch, and the end portion, facing the air cylinder, of the push rod is right opposite to the output shaft of the air cylinder;
and the output shaft of the air cylinder is used for pushing the push rod to slide in the sliding hole, so that the push rod pushes the poke rod of the toggle switch to poke.
Furthermore, the pushing portion further comprises a third spring, the third spring is sleeved on the push rod, one end of the third spring is fixed to the fixing block, and the other end of the third spring is fixed to the end portion, facing the cylinder, of the push rod.
Further, the pushing portion further comprises a limit switch, the limit switch fixed on the test bed is arranged between the air cylinder and the fixing block corresponding to the air cylinder, and the limit switch is electrically connected with the two air cylinders.
Further, still include counter and prompting device, counter and prompting device are fixed in the test bench, the counter respectively with prompting device and cylinder electric connection, two limit switch respectively with counter electric connection.
Furthermore, the end part of the push rod facing the cylinder is a propping end, an end surface groove is arranged in the end surface of the propping end, and the propping end comprises,
the inner cavities are symmetrically arranged at two sides of the end surface groove and are positioned in the abutting end;
the limiting rod corresponds to the inner cavity, one end of the limiting rod is connected with the inner cavity in a sliding mode, and the other end of the limiting rod extends into the end face groove;
the fourth spring is positioned in the inner cavity, one end of the fourth spring is fixedly connected with the end face of the limiting rod positioned in the inner cavity, the other end of the fourth spring is fixedly connected with the bottom of the inner cavity, and the limiting rod seals the end face groove under the elastic force action of the fourth spring;
the electromagnet at the bottom of the fixed inner cavity is just opposite to the end face, located in the inner cavity, of the limiting rod, and when the electromagnet is electrified to generate magnetic force on the limiting rod, the limiting rod overcomes the elastic force of the fourth spring and is completely contracted into the inner cavity.
Further, the method comprises the following steps of,
the inner grooves are symmetrically arranged in the side wall of the test groove and are close to the upper end face of the test bed;
the test device comprises a limiting plate connected with the inner groove in a sliding mode and a first spring, wherein one end of the first spring is fixedly connected with the bottom end face of the limiting plate, the other end of the first spring is fixedly connected with the bottom of the inner groove, and the top of the limiting plate extends into the test groove when the first spring is in a natural state;
a supporting plate connected with the side wall of the test groove in a sliding manner;
and one end of the second spring is fixed on the lower end surface of the supporting plate, and the other end of the second spring is fixed at the bottom of the test groove.
Furthermore, the up end of fagging is equipped with the standing groove that matches with toggle switch bottom, the lower terminal surface at limiting plate top is equipped with the spacing groove for prescribe a limit to the position at toggle switch top edge.
The invention has the beneficial effects that: when the mechanical life experiment device of the ring main unit toggle switch is used for testing the toggle switch, the toggle direction of the toggle switch is consistent with the pushing direction of the pushing part in the process of placing the toggle switch in a test groove, the air cylinders are started again, the toggle switch is pushed after the output shaft of one air cylinder extends out, the toggle rod of the toggle switch is toggled once, the output shaft of the other air cylinder extends out just now, and the pushing part toggles the toggle rod of the toggle switch back and forth in the motion process of the air cylinders.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a toggle switch according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the pushing portion of the embodiment of the present invention;
fig. 4 is a schematic structural view of an end portion of the push rod facing the cylinder in the embodiment of the invention.
The device comprises a test bed 1, a test groove 2, an air cylinder 3, a push rod 4, a fixing block 5, a sliding hole 6, a limiting plate 7, an inner groove 8, a first spring 9, a limiting groove 10, a supporting plate 11, a placing groove 12, a second spring 13, a counter 14, a prompter 15, an end surface groove 16, a third spring 17, a limiting switch 18, a limiting rod 19, an inner cavity 20, a fourth spring 21 and an electromagnet 22.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
In view of the above objects, the first aspect of the present invention provides an embodiment of a mechanical life experiment device for a ring main unit toggle switch, as shown in fig. 1 and fig. 2, including
The test bed 1 is provided with a test groove 2 for placing the toggle switch on the upper end surface;
the two cylinders 3 are positioned on two symmetrical sides of the test groove 2 and fixed on the upper end surface of the test bed 1;
the pushing part corresponds to the cylinder 3, is fixed on the upper end surface of the test bed 1 and is in power connection with the output shaft of the corresponding cylinder 3;
when testing toggle switch, place in test groove 2's in-process at toggle switch, make toggle switch's the direction of stirring unanimous with the promotion direction of promotion portion, restart cylinder 3, make the output shaft of one of them cylinder 3 stretch out the back, promote toggle switch, make toggle switch's poker rod stir once, another cylinder 3's output shaft has just stretched out this moment, the motion process through above-mentioned cylinder makes promotion portion stir to toggle switch's poker rod back and forth, through this device, realize the experimental automation of toggle switch mechanical life, the cost of labor and time cost have been practiced thrift, simultaneously, the efficiency of the test is improved.
As an embodiment, as shown in fig. 1, 2 and 3, the pushing part includes,
at least one fixed block 5 which is fixed on the edge of the test groove 2 on the upper end surface of the test bed 1, and the fixed block 5 is provided with a slide hole 6;
the push rod 4 is connected with the slide hole 6 in a sliding mode, the push rod 4 is arranged along the shifting direction of the toggle switch, and the end portion, facing the air cylinder 3, of the push rod 4 is right opposite to the output shaft of the air cylinder 3;
the output shaft of the cylinder 3 is used for pushing the push rod 4 to slide in the sliding hole 6, so that the push rod 4 pushes the poke rod of the toggle switch to poke.
In this embodiment, as shown in fig. 3, one of the cylinders 3 pushes the corresponding push rod 4 to slide in the sliding hole 6, when the push rod 4 shifts the toggle rod of the toggle switch to the other side, the cylinder 3 is restored to the original position at this time, the other cylinder 3 is started, and the corresponding push rod 4 is pushed to shift the toggle rod of the toggle switch back to the original position, and in the process of shifting back to the original position, the toggle rod simultaneously drives the push rod 4 on the other side to return to the original position, so that the automation of the mechanical life test of the toggle switch is realized by the above method.
As an embodiment, as shown in fig. 3, the pushing portion further includes a third spring 17, the third spring 17 is sleeved on the push rod 4, and one end of the third spring 17 is fixed to the fixed block 5, and the other end is fixed to an end of the push rod 4 facing the cylinder 3.
In this embodiment, through the third spring 17, make one end of push rod 4 be connected with the output shaft contact of cylinder 3 all the time, when the output shaft of cylinder 3 contracts like this, under the effect of the restoring force of third spring 17, make push rod 4 automatic recovery normal position, avoid cylinder 3 when the output shaft outwards moves, produce the impact to push rod 4, if push rod 4 contacts with toggle lever of toggle switch this moment, push rod 4 transmits the impact force to the toggle lever, thereby produce the impact to the toggle lever, cause the toggle lever to damage easily.
As an embodiment, the pushing portion further includes a limit switch 18, the limit switch 18 fixed on the test bed 1 is disposed between the cylinder 3 and the fixing block 5 corresponding to the cylinder 3, and the limit switch 18 is electrically connected to both of the cylinders 3.
In this embodiment, when one of the limit switches 18 contacts with the end of the corresponding push rod 4 facing the cylinder 3, the other end of the push rod 4 just toggles the toggle rod of the toggle switch to the other end, at this time, the output shaft of the cylinder 3 corresponding to the limit switch 18 returns to the original position, the cylinder 3 on the other side is started, the push rod 4 on the other side is pushed to toggle the toggle rod of the toggle switch, and when the push rod 4 contacts with the corresponding limit switch 18, the output shaft of the cylinder 3 corresponding to the push rod 4 returns to the original position, and the test is performed in a reciprocating cycle.
As an implementation mode, as shown in fig. 1, the testing device further includes a counter 14 and a prompter 15, the counter 14 and the prompter 15 are fixed on the testing table 1, the counter 14 is respectively electrically connected with the prompter 15 and the air cylinder 3, and the two limit switches 18 are respectively electrically connected with the counter 14.
In this embodiment, the push rod 4 touches the one-time limit switch 18, the counter 14 records the number of times of touch, when the number of times of touch recorded by the counter 14 is equal to the specified number of times of shifting, the cylinder 3 stops running, the prompter 15 gives a prompt to remind a worker that the test is completed, and the prompter 15 can select a buzzer or an LED lamp bead.
As an embodiment, as shown in fig. 3 and 4, an end portion of the push rod 4 facing the cylinder 3 is a holding end, an end surface groove 16 is formed in an end surface of the holding end, and the holding end includes,
the inner cavities 20 are symmetrically arranged at two sides of the end surface groove 16, and the inner cavities 20 are positioned in the abutting ends;
the limiting rod 19 corresponds to the inner cavity 20, one end of the limiting rod 19 is connected with the inner cavity 20 in a sliding mode, and the other end of the limiting rod 19 extends into the end face groove 16;
the fourth spring 21 is positioned in the inner cavity 20, one end of the fourth spring 21 is fixedly connected with the end face, positioned in the inner cavity 20, of the limiting rod 20, the other end of the fourth spring 21 is fixedly connected with the bottom of the inner cavity 20, and under the elastic force action of the fourth spring 21, the limiting rod 19 seals the end face groove 16;
and the electromagnet 22 is fixed at the bottom of the inner cavity 20 and is right opposite to the end face, positioned in the inner cavity 20, of the limiting rod 20, and when the electromagnet 22 is electrified to generate magnetic force on the limiting rod 20, the limiting rod 20 overcomes the elastic force of the fourth spring 21 and is completely contracted into the inner cavity 20.
Considering that a period of time is required for the output shaft of the cylinder 3 to retract to the original position, if in the period of time, the other cylinder 3 causes the poking rod of the toggle switch to poke towards the other side, which may cause the push rod 4 on one side not to return to the original position, and the push rod 4 on the other side pushes the poking rod of the toggle switch to rapidly poke, which easily causes the push rods 4 on both sides to collide with each other at the poking rod of the toggle switch, in this embodiment, when the push rod 4 on one side just pokes the poking rod of the toggle switch to the other side, and the electromagnet 22 is energized to generate a magnetic force to the limit rod 20, the limit rod 20 overcomes the elastic force of the fourth spring 21 and retracts into the inner cavity 20 completely, at this time, the end surface groove 16 opens to the output shaft of the cylinder 3, and under the elastic force of the third spring 17, the push rod 4 can rapidly return to the, when the electromagnet 22 is de-energized, the limiting rod 19 seals the end surface groove 16 under the action of the elastic force of the fourth spring 21, and the output shaft of the cylinder 3 is positioned outside the end surface groove 16.
As an embodiment, as shown in fig. 1 and 2, includes,
the inner grooves 8 are symmetrically arranged in the side wall of the test tank 2, and the inner grooves 8 are close to the upper end surface of the test bed 1;
the test device comprises a limiting plate 7 connected with an inner groove 8 in a sliding mode and a first spring 9 with one end fixedly connected with the bottom end face of the limiting plate 7, the other end of the first spring 9 is fixedly connected with the bottom of the inner groove 8, and the top of the limiting plate 7 extends into a test groove 2 when the first spring 9 is in a natural state;
a supporting plate 11 connected with the side wall of the test groove 2 in a sliding way;
and a second spring 13 having one end fixed to the lower end surface of the supporting plate 11 and the other end fixed to the bottom of the test chamber 2.
In this embodiment, placing toggle switch's in-process, at first make limiting plate 7 shrink to inside groove 8 under the exogenic action in, place toggle switch on fagging 11, and compress a section distance to second spring 13 downwards, then make limiting plate 7 under the spring action of first spring 9, make limiting plate 7 extend to in the test slot 2, withdraw the compressive force to second spring 13 again, at this moment, limiting plate 7 will be injectd toggle switch's position, prevent in the experimentation, toggle switch removes in test slot 2.
As an embodiment, the upper end surface of the supporting plate 11 is provided with a placing groove 12 matched with the bottom of the toggle switch, and the lower end surface of the top of the limiting plate 7 is provided with a limiting groove 10 for limiting the position of the top edge of the toggle switch.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides a mechanical life experimental apparatus of looped netowrk cabinet toggle switch which characterized in that: comprises that
The test bed (1) is provided with a test groove (2) for placing the toggle switch on the upper end surface;
the two cylinders (3) are positioned on two symmetrical sides of the test groove (2) and fixed on the upper end surface of the test bed (1);
the pushing part corresponds to the air cylinder (3), is fixed on the upper end surface of the test bed (1), and is in power connection with the output shaft of the corresponding air cylinder (3);
in the process that the toggle switch is placed in the test tank (2), the toggle direction of the toggle switch is consistent with the pushing direction of the pushing part, and then the air cylinders (3) are started, so that after the output shaft of one air cylinder (3) extends out, the output shaft of the other air cylinder (3) just extends out, and the pushing part is enabled to toggle the toggle rod of the toggle switch back and forth through the air cylinders (3);
the pushing part comprises a pushing part and a pushing part,
the fixing block (5) is fixed on the edge of the test groove (2) on the upper end face of the test bed (1), and the fixing block (5) is provided with a sliding hole (6);
the push rod (4) is connected with the sliding hole (6) in a sliding mode, the push rod (4) is arranged along the shifting direction of the toggle switch, and the end portion, facing the air cylinder (3), of the push rod (4) is right opposite to the output shaft of the air cylinder (3);
the output shaft of the cylinder (3) is used for pushing the push rod (4) to slide in the sliding hole (6), so that the push rod (4) pushes the poke rod of the toggle switch to poke;
the pushing part further comprises a third spring (17), the third spring (17) is sleeved on the push rod (4), one end of the third spring (17) is fixed to the fixing block (5), and the other end of the third spring is fixed to the end, facing the cylinder (3), of the push rod (4);
the end part of the push rod (4) facing the cylinder (3) is a propping end, an end surface groove (16) is arranged in the end surface of the propping end, and the propping end comprises,
inner cavities (20) symmetrically arranged at two sides of the end surface groove (16), wherein the inner cavities (20) are positioned in the abutting end;
the limiting rod (19) corresponds to the inner cavity (20), one end of the limiting rod (19) is connected with the inner cavity (20) in a sliding mode, and the other end of the limiting rod extends into the end face groove (16);
the fourth spring (21) is positioned in the inner cavity (20), one end of the fourth spring (21) is fixedly connected with the end face, positioned in the inner cavity (20), of the limiting rod (20), the other end of the fourth spring is fixedly connected with the bottom of the inner cavity (20), and under the elastic force action of the fourth spring (21), the limiting rod (19) seals the end face groove (16);
and the electromagnet (22) is fixed at the bottom of the inner cavity (20) and is right opposite to the end face of the limiting rod (20) positioned in the inner cavity (20), and when the electromagnet (22) is electrified to generate magnetic force on the limiting rod (20), the limiting rod (20) overcomes the elastic force of the fourth spring (21) and is completely contracted into the inner cavity (20).
2. The mechanical life experimental device of the ring main unit toggle switch according to claim 1, characterized in that: the pushing portion further comprises a limit switch (18), the limit switch (18) fixed on the test bed (1) is arranged between the air cylinder (3) and the fixing block (5) corresponding to the air cylinder (3), and the limit switch (18) is electrically connected with the two air cylinders (3) respectively.
3. The mechanical life experimental device of the ring main unit toggle switch according to claim 2, characterized in that: still include counter (14) and prompting device (15), counter (14) and prompting device (15) are fixed in test bench (1), counter (14) respectively with prompting device (15) and cylinder (3) electric connection, two limit switch (18) respectively with counter (14) electric connection.
4. The mechanical life experimental device of the ring main unit toggle switch according to claim 1, characterized in that: the method comprises the following steps:
the inner grooves (8) are symmetrically arranged in the side wall of the test groove (2), and the inner grooves (8) are close to the upper end face of the test bed (1);
the test device comprises a limiting plate (7) in sliding connection with an inner groove (8) and a first spring (9) with one end fixedly connected with the bottom end face of the limiting plate (7), the other end of the first spring (9) is fixedly connected with the bottom of the inner groove (8), and the top of the limiting plate (7) extends into a test groove (2) when the first spring (9) is in a natural state;
a supporting plate (11) connected with the side wall of the test groove (2) in a sliding way;
and one end of the second spring (13) is fixed on the lower end surface of the supporting plate (11), and the other end of the second spring is fixed on the bottom of the test groove (2).
5. The mechanical life experimental device of the ring main unit toggle switch according to claim 4, characterized in that: the upper end face of fagging (11) is equipped with standing groove (12) that match bottom the toggle switch, the lower terminal surface at limiting plate (7) top is equipped with spacing groove (10) for prescribe a limit to the position at toggle switch top edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377850.2A CN111024383B (en) | 2019-12-27 | 2019-12-27 | Mechanical life experimental device for ring main unit toggle switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911377850.2A CN111024383B (en) | 2019-12-27 | 2019-12-27 | Mechanical life experimental device for ring main unit toggle switch |
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| CN111024383A CN111024383A (en) | 2020-04-17 |
| CN111024383B true CN111024383B (en) | 2021-06-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113624465B (en) * | 2021-06-21 | 2023-06-20 | 安徽工程大学 | Mechanical life detection assembly for automobile button switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201852916U (en) * | 2010-09-28 | 2011-06-01 | 成都华锋科技有限公司 | Simple tester with toggle switch breaker |
| CN202928788U (en) * | 2012-11-16 | 2013-05-08 | 湖北新日电动车有限公司 | Test machine for toggle switch of electric car |
| CN207705069U (en) * | 2017-11-24 | 2018-08-07 | 天津市申特电力电子有限公司 | A kind of on-load switch production test platform |
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