CN208621321U - Electric control system for reciprocating fatigue test - Google Patents
Electric control system for reciprocating fatigue test Download PDFInfo
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- CN208621321U CN208621321U CN201821291307.1U CN201821291307U CN208621321U CN 208621321 U CN208621321 U CN 208621321U CN 201821291307 U CN201821291307 U CN 201821291307U CN 208621321 U CN208621321 U CN 208621321U
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- relay
- normally closed
- closed switch
- magnetic induction
- reciprocating
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Abstract
The utility model discloses a kind of electric control systems for reciprocating fatigue test, including counter C1, count normally closed switch SQ3, AC/DC conversion module T1, relay KA1, relay KA2, electric-air valve YV, magnetic induction normally closed switch SQ1 and magnetic induction normally closed switch SQ2, normally closed switch SQ3 is counted to be fixed on reciprocating air cylinder, magnetic induction normally closed switch SQ2 is in maximum projecting position when reciprocating air cylinder work, magnetic induction normally closed switch SQ1 is in minimum extended position when reciprocating air cylinder work, and electric-air valve YV is connected in the gas circuit between reciprocating air cylinder and gas source；The utility model, which is only realized, controls reciprocating motion fatigue test, thus keep its structure simple, it is cheap, and and it is easy to repair to search in time fault point in the event of a failure.
Description
Technical field
The utility model relates to a kind of electric control systems for reciprocating fatigue test, belong to fatigue test technology neck
Domain.
Background technique
It at present generally can be to the transmission sample after the processing for completing sample for transmission parts newly developed in automobile
Carry out reciprocal fatigue test, thus simulation obtain the sample after being used for multiple times, the situation of change of mechanical property, only
Have by just can determine that the newly developed transmission parts its long-term running stabilizing power in normal use after testing fatigue, such as
The transmission parts are not up to necessary requirement in testing fatigue, then need to be modified original scheme, to prevent due to design
When fault of construction lead to the situation that service life is shorter in final finished use process；And currently in order to carrying out fatigue test one
As be all to be carried out using large-scale fatigue tester, this testing machine its multiple functional can carry out tired examinations to various different components
It tests, but this testing machine is not only expensive, it is complicated for operation, and since it is with a variety of different fatigue test modes,
So as to cause its circuit structure complexity, once fault point can not be searched in time and repair by breaking down；In addition if you need to only right
The transmission parts carry out reciprocating fatigue test, then the other function of the testing machine is not needed using to lead to resource yet
Waste, therefore how to research and develop a kind of electric control system it is only able to achieve and controls to moving back and forth fatigue test, to tie
The problem of structure is simple, cheap, is industry urgent need to resolve.
Summary of the invention
In view of the above-mentioned problems of the prior art, the utility model provides a kind of electric-controlled for reciprocating fatigue test
System processed is only able to achieve and controls reciprocating motion fatigue test, so that its structure is simple, it is cheap and easy to repair.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of electricity for reciprocating fatigue test
Gas control system, including counter C1, count normally closed switch SQ3, AC/DC conversion module T1, relay KA1, relay KA2,
Electric-air valve YV, magnetic induction normally closed switch SQ1 and magnetic induction normally closed switch SQ2 count normally closed switch SQ3 and are fixed on reciprocating air cylinder
On, magnetic induction normally closed switch SQ2 is in maximum projecting position when reciprocating air cylinder work, and magnetic induction normally closed switch SQ1 is in past
Minimum extended position when multiple cylinder operation, electric-air valve YV are connected in the gas circuit between reciprocating air cylinder and gas source；
The counting normally closed switch SQ3 is connect with counter C1, and counter C1 connects 220V alternating current, AC/DC conversion module
The input of T1 terminates 220V alternating current, electromagnetic coil one end of the cathode output end of AC/DC conversion module T1 and relay KA1,
Electromagnetic coil one end of relay KA2 is connected with electromagnetic coil one end of electric-air valve YV, and the electromagnetic coil of relay KA1 is another
End is connect with normally-closed contact one end of relay KA2 and the one end magnetic induction normally closed switch SQ1, and the normally-closed contact of relay KA2 is another
One end is connect with normally opened contact one end of relay KA1, the normally opened contact other end and magnetic induction normally closed switch of relay KA1
Normally opened contact one end connection of the SQ1 other end, the one end magnetic induction normally closed switch SQ2, relay KA2 is followed by AC/DC conversion module
The cathode output end of T1, the electromagnetic coil other end and relay KA1 of the magnetic induction normally closed switch SQ2 other end and relay KA2
The connection of normally-closed contact one end, the normally-closed contact other end of relay KA1 and the normally opened contact other end of relay KA2 and electronic
The electromagnetic coil other end of air valve YV connects.
It further, further include overcurrent protective device FU, overcurrent protective device FU is connected to AC/DC conversion module T1 and relay
On circuit between device KA1, relay KA2 and electric-air valve YV.
Further, the DC power supply of the AC/DC conversion module T1 output is 24V.
Compared with prior art, the utility model is using counter C1, counting normally closed switch SQ3, AC/DC conversion module
T1, relay KA1, relay KA2, electric-air valve YV, magnetic induction normally closed switch SQ1 and magnetic induction normally closed switch SQ2 are combined
Mode, by institute's component to be tested on reciprocating air cylinder, then powering on rear electric-air valve YV unlatching makes reciprocating air cylinder
Extension end is stretched out, and when extension end reaches the magnetic induction normally closed switch position SQ2, i.e., magnetic induction normally closed switch SQ2 is triggered, and passes through
Relay KA1 and relay KA2 closes electric-air valve YV, and the extension end of reciprocating air cylinder starts to retract at this time, works as reciprocating air cylinder
Extension end when returning to the position of magnetic induction normally closed switch SQ1, i.e., magnetic induction normally closed switch SQ1 is triggered, and passes through relay
KA1 and relay KA2 opens electric-air valve YV, stretches out the extension end of reciprocating air cylinder again, loops back and forth like this movement, reach
To the effect for carrying out fatigue test to component；During reciprocating air cylinder movement, the every reciprocating motion in extension end once can then make
It is primary to count normally closed switch SQ3 opening and closing, so that counter C1 be made once to be counted, such operator can be counted by observation
The numerical value that device C1 is shown knows fatigue test number.The utility model, which is only able to achieve, controls reciprocating motion fatigue test,
It is cheap to which its structure is simple, and it is easy to repair to search in time fault point in the event of a failure.
Detailed description of the invention
Fig. 1 is the position layout diagram of the utility model；
Fig. 2 is the circuit control principle figure of the utility model；
Fig. 3 is the control logic figure of the utility model.
Specific embodiment
The utility model will be described further below.
As shown, the utility model includes counter C1, counts normally closed switch SQ3, AC/DC conversion module T1, relay
Device KA1, relay KA2, electric-air valve YV, magnetic induction normally closed switch SQ1 and magnetic induction normally closed switch SQ2 count normally closed switch
SQ3 is fixed on reciprocating air cylinder, and magnetic induction normally closed switch SQ2 is in maximum projecting position when reciprocating air cylinder work, magnetic induction
Normally closed switch SQ1 is in minimum extended position when reciprocating air cylinder work, electric-air valve YV be connected to reciprocating air cylinder and gas source it
Between gas circuit on；
The counting normally closed switch SQ3 is connect with counter C1, and counter C1 connects 220V alternating current, AC/DC conversion module
The input of T1 terminates 220V alternating current, electromagnetic coil one end of the cathode output end of AC/DC conversion module T1 and relay KA1,
Electromagnetic coil one end of relay KA2 is connected with electromagnetic coil one end of electric-air valve YV, and the electromagnetic coil of relay KA1 is another
End is connect with normally-closed contact one end of relay KA2 and the one end magnetic induction normally closed switch SQ1, and the normally-closed contact of relay KA2 is another
One end is connect with normally opened contact one end of relay KA1, the normally opened contact other end and magnetic induction normally closed switch of relay KA1
Normally opened contact one end connection of the SQ1 other end, the one end magnetic induction normally closed switch SQ2, relay KA2 is followed by AC/DC conversion module
The cathode output end of T1, the electromagnetic coil other end and relay KA1 of the magnetic induction normally closed switch SQ2 other end and relay KA2
The connection of normally-closed contact one end, the normally-closed contact other end of relay KA1 and the normally opened contact other end of relay KA2 and electronic
The electromagnetic coil other end of air valve YV connects.
It further, further include overcurrent protective device FU, overcurrent protective device FU is connected to AC/DC conversion module T1 and relay
On circuit between device KA1, relay KA2 and electric-air valve YV.
Further, the DC power supply of the AC/DC conversion module T1 output is 24V.
When the utility model starts to carry out fatigue test, AC/DC conversion module T1 connects 220V alternating current with counter C1,
Middle AC/DC conversion module T1 exports 24V direct current after conversion, and reciprocating air cylinder is in minimum extended position, magnetic induction at this time
Normally closed switch SQ1 is in an off state, and relay KA2 coil connects direct current 24V power supply by magnetic induction normally closed switch SQ2, after
The electromagnetic coil of electric appliance KA2, which is powered, to be attracted, and is closed the normally opened contact of relay KA2 and is connected, electric-air valve YV obtains electric-opening, past
Multiple cylinder moving stretches out, and when reciprocating air cylinder reaches maximum projecting position, the electromagnetic coil of relay KA1 by closing again
The magnetic induction normally closed switch SQ1 of conjunction connects direct current 24V power supply, and magnetic induction normally closed switch SQ2 receives signal disconnection, relay at this time
The normally-closed contact disconnection of device KA1 disconnects the electromagnetic coil power loss of relay KA2, and the normally opened contact of relay KA2 disconnects, thus
Close electric-air valve YV power loss, reciprocating air cylinder is retracted, and when reciprocating air cylinder returns to minimum extended position again, magnetic induction is opened
It closes SQ1 and receives signal disconnection ..., cylinder will repeat above-mentioned actuation cycle movement, complete simulation behaviour of the product in equipment
Make, observes the fatigue life of product.The life performance index that product can be specified by the life test of product, improves the matter of product
Amount.
In addition the counting normally closed switch SQ3 connected on counter C1 is on reciprocating air cylinder close to magnetic induction normally closed switch SQ1
Installation, the every movement of reciprocating air cylinder is primary, and counter switch SQ3 opening and closing is primary, and counter C1 is once counted.
Claims (3)
1. a kind of electric control system for reciprocating fatigue test, which is characterized in that including counter C1, count normally closed switch
SQ3, AC/DC conversion module T1, relay KA1, relay KA2, electric-air valve YV, magnetic induction normally closed switch SQ1 and magnetic induction
Normally closed switch SQ2 counts normally closed switch SQ3 and is fixed on reciprocating air cylinder, and magnetic induction normally closed switch SQ2 is in reciprocating air cylinder work
When maximum projecting position, magnetic induction normally closed switch SQ1 be in reciprocating air cylinder work when minimum extended position, electric-air valve YV
It is connected in the gas circuit between reciprocating air cylinder and gas source；
The counting normally closed switch SQ3 is connect with counter C1, and counter C1 connects 220V alternating current, AC/DC conversion module T1's
Input termination 220V alternating current, the cathode output end of AC/DC conversion module T1 and electromagnetic coil one end, the relay of relay KA1
Electromagnetic coil one end of device KA2 is connected with electromagnetic coil one end of electric-air valve YV, the electromagnetic coil other end of relay KA1 with
Normally-closed contact one end of relay KA2 is connected with the one end magnetic induction normally closed switch SQ1, the normally-closed contact other end of relay KA2
It is connect with normally opened contact one end of relay KA1, the normally opened contact other end and magnetic induction normally closed switch SQ1 of relay KA1 is another
Normally opened contact one end connection of one end, the one end magnetic induction normally closed switch SQ2, relay KA2 is followed by the negative of AC/DC conversion module T1
Pole output end, the electromagnetic coil other end of the magnetic induction normally closed switch SQ2 other end and relay KA2 and relay KA1's is normally closed
The connection of contact one end, the normally-closed contact other end of relay KA1 and the normally opened contact other end of relay KA2 and electric-air valve YV
The electromagnetic coil other end connection.
2. a kind of electric control system for reciprocating fatigue test according to claim 1, which is characterized in that further include
Overcurrent protective device FU, overcurrent protective device FU are connected to AC/DC conversion module T1 and relay KA1, relay KA2 and electronic
On circuit between air valve YV.
3. a kind of electric control system for reciprocating fatigue test according to claim 1, which is characterized in that described
The DC power supply of AC/DC conversion module T1 output is 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821291307.1U CN208621321U (en) | 2018-08-10 | 2018-08-10 | Electric control system for reciprocating fatigue test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821291307.1U CN208621321U (en) | 2018-08-10 | 2018-08-10 | Electric control system for reciprocating fatigue test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208621321U true CN208621321U (en) | 2019-03-19 |
Family
ID=65715077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821291307.1U Active CN208621321U (en) | 2018-08-10 | 2018-08-10 | Electric control system for reciprocating fatigue test |
Country Status (1)
| Country | Link |
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| CN (1) | CN208621321U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707463A (en) * | 2020-06-29 | 2020-09-25 | 中车青岛四方车辆研究所有限公司 | Valve fatigue test equipment, circuit system and test method |
| CN114264907A (en) * | 2021-12-22 | 2022-04-01 | 上海仪器仪表自控***检验测试所有限公司 | Contact electric element safety test device in combustible refrigerant equipment |
-
2018
- 2018-08-10 CN CN201821291307.1U patent/CN208621321U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707463A (en) * | 2020-06-29 | 2020-09-25 | 中车青岛四方车辆研究所有限公司 | Valve fatigue test equipment, circuit system and test method |
| CN114264907A (en) * | 2021-12-22 | 2022-04-01 | 上海仪器仪表自控***检验测试所有限公司 | Contact electric element safety test device in combustible refrigerant equipment |
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