CN209372030U - A kind of band load detection device of microswitch stroke - Google Patents
A kind of band load detection device of microswitch stroke Download PDFInfo
- Publication number
- CN209372030U CN209372030U CN201920311522.1U CN201920311522U CN209372030U CN 209372030 U CN209372030 U CN 209372030U CN 201920311522 U CN201920311522 U CN 201920311522U CN 209372030 U CN209372030 U CN 209372030U
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- microswitch
- probe
- mounting rack
- pair
- detection device
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Abstract
The utility model discloses a kind of bands of microswitch stroke to carry detection device, including mounting rack, Stepping Motor Subdivision Driver is connected at the top of mounting rack, Stepping Motor Subdivision Driver is connected with stepper motor, stepper motor is connected by one end of shaft coupling and lead screw, the other end and dipper crowding gear of lead screw are socketed, dipper crowding gear is connected with tangent displacement sensor far from one end of mounting rack, benchmark sample block is provided on the underface of tangent displacement sensor and the bottom plate of mounting rack, Stepping Motor Subdivision Driver, tangent displacement sensor is connect with control system, control system is also connected with probe, one end of probe is connect with direct current resistive load source, the other end of probe is connect with the external contact of microswitch to be measured.Ensure that can accurate detection operation value or release value, can fast and accurately complete the stroke detection of microswitch, substitute artificial detection, detection efficiency and precision greatly improve.
Description
Technical field
The utility model belongs to rolling stock electrical testing technical field, and in particular to a kind of band load of microswitch stroke
Detection device.
Background technique
With the continuous renewal of rail vehicles technology, especially high-speed rail EMU, to the safety for selecting low-voltage electrical apparatus
The timeliness and consistency of reliability and product response propose requirements at the higher level.Commonly used microswitch is made in low-voltage electrical apparatus
For the control switch of its subsidiary loop, thus the consistency of microswitch actuating length largely responds low-pressure electronic equipment product
Timeliness and synchronism have particularly important influence.
Currently, microswitch is mostly detected using traditional artificial operation cam stroke detecting tool with a scale, this
Kind traditional detection method needs manually to rotate cam with a scale clockwise or counterclockwise, and driving microswitch is acted and released
It puts, the action value and release value of switch is recorded by manually differentiating the sound of microswitch closure, then to testing result progress
Artificial detection classification, however traditional detection method detected value minimum resolution is only 0.2mm, and it is true to use vernier caliper to carry out
When real detected value check and correction, numerical resolution in 0.01mm, then caused by error it is larger, influence judgement and classification results.
Utility model content
The purpose of the utility model is to provide a kind of bands of microswitch stroke to carry detection device, can accurate, reliable, side
Just the detection process of microswitch is completed.
The utility model is the technical scheme adopted is that a kind of band of microswitch stroke carries detection device, including installation
Frame is connected with Stepping Motor Subdivision Driver at the top of mounting rack, and Stepping Motor Subdivision Driver is connected with stepper motor, stepping
Motor is connected by one end of shaft coupling and lead screw, and the other end and dipper crowding gear of lead screw are socketed, and dipper crowding gear is far from mounting rack
One end be connected with tangent displacement sensor, be provided with base on the underface of tangent displacement sensor and the bottom plate of mounting rack
Quasi- sample block, Stepping Motor Subdivision Driver, tangent displacement sensor are connect with control system, and control system is also connected with spy
One end of needle, probe is connect with direct current resistive load source, and the other end of probe is connect with the external contact of microswitch to be measured.
The utility model is also characterized by
Dipper crowding gear includes sliding block, and sliding block is socketed on the lead screw, and sliding block exists close to the setting of one end of mounting rack side wall
On guide rail, guide rail is arranged on mounting rack side wall and perpendicular to horizontal plane, one end of sliding block one end and drive block far from guide rail
Connection, the other end of drive block are connected with tangent displacement sensor.
The bottom of drive block is connected with convex block.
It is provided with positioning mechanism immediately below convex block, for adjusting the position with fixed microswitch to be measured.
Control system includes master controller, and master controller passes through signal cable respectively and is connected with PLC control unit and data
Storage unit, PLC control unit also pass through signal cable and are connected separately with sorting screening unit and Stepping Motor Subdivision Driver,
Data storage cell also passes through signal cable and is connected with signal processing unit, and signal processing unit also passes through signal cable and connects respectively
It is connected to tangent displacement sensor and probe.
Direct current resistive load source includes load source a and load source b, and probe includes that a pair of of normally open contact probe and a pair are normally closed
Contact probe, the both ends of load source a pass through conducting wire respectively and connect with one end of a pair of normally closed interlock probe, load source b's
Both ends pass through conducting wire respectively and connects with one end of a pair of normally open contact probe, the other end of a pair of of normally open contact probe and to
Survey a pair of of upper static contact connection of microswitch, the other end of a pair of normally closed interlock probe and a pair of microswitch to be measured
Lower static contact connection.
The utility model has the beneficial effects that: a kind of band of microswitch stroke of the utility model carries detection device,
PLC control unit controls Stepping Motor Subdivision Driver driving stepper motor and drives lead screw rotation, makes dipper crowding gear and contact
Displacement sensor moves down, and when pushing microswitch to be measured, the probe contacts benchmark sample block of tangent displacement sensor is displaced
Synchronous detection, and direct current resistive load source is triggered, on-off signal is formed, signal processing unit record contact displacement at this time passes
The action value or release value of sensor record feedback, the rotation of driving stepper motor drives dipper crowding gear to reset after the completion of detection, in this way
Then ensure that can accurate detection operation value or release value, can fast and accurately complete the stroke detection of microswitch, replace
For artificial detection, detection efficiency and precision are greatly improved.
Detailed description of the invention
Fig. 1 is a kind of microswitch stroke of the utility model with the testing principle block diagram for carrying detection device；
Fig. 2 is a kind of microswitch stroke of the utility model with the structural schematic diagram for carrying detection device；
Fig. 3 is microswitch stroke detection benchmark schematic diagram；
Fig. 4 is that microswitch band carries circuit on-off signal schematic diagram.
1. mounting rack, 2. guide rails, 3. sliding blocks, 4. lead screws, 5. shaft couplings, 6. stepper motors, 7. micro-stepping driving of stepping motor
Device, 8. tangent displacement sensors, 9. drive blocks, 10.PLC control unit, 11. master controllers, 12. data storage cells, 13.
Signal processing unit, 14. sorting screening units, 15. benchmark sample blocks, 16. microswitches to be measured, 17. direct current resistive load sources,
18. probe, 19. depression bar assemblies, 20. guide rods, 21. upper static contacts, moving contact on 22., 23. disjunction reeds, 24. lower moving contacts,
25. lower static contact, 26. release springs, 27. support bases, 28. convex blocks；
17-1. load source a, 17-2. load source b；
18-1. normally open contact probe, 18-2. normally closed interlock probe.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of band of microswitch stroke of the utility model carries detection device, as shown in Fig. 2, including mounting rack 1, mounting rack
1 top is connected with Stepping Motor Subdivision Driver 7, and Stepping Motor Subdivision Driver 7 is connected with stepper motor 6, stepper motor
6 are connect by shaft coupling 5 with one end of lead screw 4, and the other end and dipper crowding gear of lead screw 4 are socketed, and dipper crowding gear is far from mounting rack
1 one end is connected with tangent displacement sensor 8, is arranged on the underface of tangent displacement sensor 8 and the bottom plate of mounting rack 1
There is benchmark sample block 15, Stepping Motor Subdivision Driver 7, tangent displacement sensor 8 are connect with control system, and control system is also
It is connected with probe 18, one end of probe 18 is connect with direct current resistive load source 17, the other end of probe 18 and microswitch to be measured
16 external contact connection.
Dipper crowding gear includes sliding block 3, and sliding block 3 is socketed on the lead screw 4, and sliding block 3 is close to one end of 1 side wall of mounting rack
It is arranged on guide rail 2, guide rail 2 is arranged on 1 side wall of mounting rack and perpendicular to horizontal plane, sliding block 3 one end and drive far from guide rail 2
One end of motion block 9 connects, and the other end of drive block 9 is connected with tangent displacement sensor 8, and the bottom of drive block 9 is connected with convex
Block 28, convex block 28 is provided with positioning mechanism immediately below convex block 28 for depressing the depression bar assembly 19 of microswitch to be measured, and positions
Mechanism is set on mounting rack 1, and positioning mechanism is used to adjust the position with fixed microswitch 16 to be measured.
Control system includes master controller 11, and master controller 11 is connected with PLC control unit 10 by signal cable respectively
With data storage cell 12, PLC control unit 10 is also connected separately with sorting screening unit 14 and stepping electricity by signal cable
Machine subdivision driver 7, data storage cell 12 are also connected with signal processing unit 13, signal processing unit 13 by signal cable
Tangent displacement sensor 8 and probe 18 are also connected separately with by signal cable；PLC control unit 10 is for controlling stepping electricity
Machine subdivision driver 7 and to the sorting publication instruction of screening unit 14, data storage cell 12 is for storing signal processing unit
The data of 13 processing feedbacks, signal processing unit 13 are used to record the precise movement value of the record feedback of tangent displacement sensor 8
Or release value, while be also used to handle drive block 9 move down drive convex block 28 push the depression bar assembly 19 of microswitch to be measured and touch
The load circuit on-off signal of hair, sorting screening unit 14 are used to sort the microswitch after detection.
As shown in figure 4, direct current resistive load source 17 includes load source a17-1 and load source b17-2, probe 18 includes a pair
Normally open contact probe 18-1 and a pair of of normally closed interlock probe 18-2, it is normal with a pair that the both ends of load source a17-1 pass through conducting wire respectively
One end connection of contact probe 18-2 is closed, the both ends of load source b17-2 pass through conducting wire and a pair of normally open contact probe respectively
One end of 18-1 connects, and the other end of a pair of of normally open contact probe 18-1 and a pair of of upper static contact 21 of microswitch 16 to be measured connect
It connects, the other end of a pair of of normally closed interlock probe 18-2 is connect with a pair of of lower static contact 25 of microswitch 16 to be measured.
A kind of band of microswitch stroke of the utility model carries detection device, as shown in figure 4, microswitch to be measured 16 is upper
Portion is provided with depression bar assembly 19, and one end of depression bar assembly 19 is connect with the shell of microswitch 16 to be measured, depression bar assembly 19 it is another
One end is connect with guide rod 20, and the hull outside of microswitch 16 to be measured is stretched out in one end that guide rod 20 is connect with depression bar assembly 19, is led
The other end of bar 20 is placed in 16 shell of microswitch to be measured and connect with one end of release spring 26, release spring 26 it is another
End is connect with shell, is placed in intracorporal 20 two sidewalls of guide rod of 16 shell of microswitch to be measured and is also connect with one end of disjunction reed 23,
The other end connecting support seat 27 of each disjunction reed 23, the both ends of each support base 27 respectively with upper moving contact 22, lower dynamic touching
First 24 connection, the both ends of upper moving contact 22, which respectively correspond, is provided with upper static contact 21, and the both ends of lower moving contact respectively correspond setting
There is lower static contact 25, when microswitch 16 to be measured is in initial position, one end of lower static contact 25 is connected with lower moving contact 24, under
The other end of static contact 25 is connected with normally closed interlock probe 18-2, and normally closed interlock probe 18-2 is connected with load source a17-1, shape
At a normally closed interlock circuit, when microswitch 16 to be measured is in operating position, one end of upper static contact 21 and upper moving contact 22
It is connected, the other end of upper static contact 21 is connected with normally open contact probe 18-1, and upper static contact 21 is connected with load source b17-2, shape
At a normally opened tap circuit.As shown in Fig. 2, when depression bar assembly 19 is driven the pressure of block 9, depression bar assembly 19 is pushed
Guide rod 20 compresses release spring 26, and the pushing of guide rod 20 makes disjunction reed 23 reach quick backward position, and disjunction reed 23 inverted
27 fast upward motion of support base is driven in journey, support base 27 drives lower moving contact 24 and lower static contact 25 quickly to disconnect, and same
When drive upper 21 quick-make of moving contact 22 and upper static contact, when drive block 9 at the uniform velocity rises, the promotion guide rod 20 of release spring 26
It resets, guide rod 20, which above pushes away, makes disjunction reed 23 reach backward position, drives support base 27 quick in 23 reversion process of disjunction reed
It moves downward, support base 27 drives upper moving contact 22 and upper static contact 21 quickly to disconnect, and drives lower moving contact 24 under simultaneously
25 quick-make of static contact.
A kind of band of microswitch stroke of the utility model carries detection device, as shown in Figure 1, every time before detection, using base
The 15 pairs of detections of quasi- sample block are calibrated with tangent displacement sensor 8, as shown in figure 3, microswitch 16 to be measured is adjusted after calibration,
Make base position (theoretical principle 3.5cm of the base position apart from microswitch 16 to be measured) and the base on microswitch 16 to be measured
After adjusting, microswitch 16 to be measured is fixed with positioning mechanism for the top flush of quasi- sample block 15, will be connected to direct current resistance
Property the circuit load source a17-1 a pair of of normally closed interlock probe 18-2 contact lower static contact 25, direct current resistive load source will be connected to
A pair of of normally open contact probe 18-1 in the circuit b17-2 contacts upper static contact 21, wherein the voltage U=DC12V, I=in circuit
5mA.Master controller 11 is opened, triggering stroke detection instruction controls Stepping Motor Subdivision Driver 7 by PLC control unit 10
Driving stepper motor 6 drives silk to shoulder 4 rotations, then the sliding block 3 on lead screw 4 moves downward therewith, and sliding block 3 drives drive block 9, convex block
28 move downward simultaneously with the probe of tangent displacement sensor 8, when depression bar assembly 19 in convex block 28 and microswitch 16 to be measured
When the distance > 2mm at top, Stepping Motor Subdivision Driver 7 drives the fast 6 speed rotation of stepper motor, when drive block 9 and to micrometer
In dynamic switch 16 when the distance≤2mm at 19 top of depression bar assembly, Stepping Motor Subdivision Driver 7 will drive 6 low speed of stepper motor
Uniform rotation, the drive convex block 28 of drive block 9 push the depression bar assembly 19 of microswitch 16 to be measured, then tangent displacement sensor 8
Probe contacts benchmark sample block 15, carry out displacement synchronous detection；When depression bar assembly 19 is depressed into 16 switch motion of microswitch to be measured
When, load circuit on-off signal is triggered, and the signal is fed back into signal processing unit 13, synchronous signal processing unit 13 records
The precise movement value or release value of the record of tangent displacement sensor 8 feedback at this time, and the data of action value or release value are anti-
It is fed to data storage cell 12, information is fed back to master controller 11 by data storage cell 12, after the detection for completing stroke value,
After being separated at the top of drive block 9 and the depression bar assembly 19 of microswitch 16 to be measured, sliding block Rapid reset is issued by master controller 11 and is referred to
It enabling and sorting screening instructs, then the control of PLC control unit 10 Stepping Motor Subdivision Driver 7 drives stepper motor 6 quickly to rotate,
Band 3 Rapid reset of movable slider, while control 14 pairs of the screening unit microswitches to be measured 16 detected of sorting of PLC control unit 10
Carry out sorting screening.
A kind of band of microswitch stroke of the utility model carries detection device, after detection starts, when normally open contact circuit connects
When logical, i.e., when normally closed interlock circuit disconnects, (when normally open contact circuit turn-on time point is with the normally closed disconnection of figure circuit out theoretically
Between point have ≯ time difference of 15ms, the displacement of microswitch is negligible in the so short time.) point is to be measured
The operating point of microswitch, the shift value measured are the action value of microswitch to be measured.Otherwise when normally open contact circuit is disconnected
When opening, i.e., when normally closed interlock circuit is connected, (when normally open contact circuit turn-off time point is with the normally closed connection of figure circuit out theoretically
Between point have ≯ time difference of 15ms, the displacement of microswitch to be measured is negligible in the so short time.) point is
The point of release of microswitch to be measured, the shift value measured are the release value of microswitch to be measured.
A kind of band of microswitch stroke of the utility model carries detection device, and it is thin that PLC control unit controls stepper motor
Divide driver driving stepper motor to drive lead screw rotation, moves downward sliding block therewith, then drive block and contact displacement sensing
Device moves down, and when convex block pushes microswitch to be measured, the probe contacts calibrated bolck of tangent displacement sensor carries out displacement synchronous inspection
It surveys, and triggers load source a or load source b, form on-off signal, signal processing unit records tangent displacement sensor at this time
The action value or release value of feedback are recorded, driving stepper motor rotation band movable slider Rapid reset, is then protected in this way after the completion of detection
Demonstrate,proved can accurate detection operation value or release value, can fast and accurately complete the stroke detection of microswitch, substitute people
Work detection, detection efficiency and precision greatly improve.
Claims (6)
1. a kind of band of microswitch stroke carries detection device, which is characterized in that including mounting rack (1), the mounting rack (1)
Top is connected with Stepping Motor Subdivision Driver (7), and the Stepping Motor Subdivision Driver (7) is connected with stepper motor (6), institute
It states stepper motor (6) to connect by shaft coupling (5) with one end of lead screw (4), the other end and dipper crowding gear set of the lead screw (4)
It connects, the dipper crowding gear is connected with tangent displacement sensor (8) far from one end of mounting rack (1), and the contact displacement passes
Benchmark sample block (15), the Stepping Motor Subdivision Driver are provided on the underface of sensor (8) and the bottom plate of mounting rack (1)
(7), tangent displacement sensor (8) is connect with control system, and the control system is also connected with probe (18), the probe
(18) one end is connect with direct current resistive load source (17), the other end of the probe (18) and microswitch to be measured (16) it is outer
Contact head connection.
2. a kind of band of microswitch stroke according to claim 1 carries detection device, which is characterized in that the pushing machine
Structure includes sliding block (3), and the sliding block (3) is socketed on the lead screw (4), and the one of close mounting rack (1) side wall of the sliding block (3)
End is arranged on guide rail (2), and the guide rail (2) is arranged on mounting rack (1) side wall and perpendicular to horizontal plane, the sliding block (3)
One end far from guide rail (2) is connect with one end of drive block (9), and the other end of the drive block (9) is connected with contact displacement
Sensor (8).
3. a kind of band of microswitch stroke according to claim 2 carries detection device, which is characterized in that the drive block
(9) bottom is connected with convex block (28).
4. a kind of band of microswitch stroke according to claim 3 carries detection device, which is characterized in that the convex block
(28) it is provided with positioning mechanism immediately below, for adjusting the position with fixed microswitch (16) to be measured.
5. a kind of band of microswitch stroke according to claim 1 carries detection device, which is characterized in that the control system
System includes master controller (11), and the master controller (11) is connected with PLC control unit by signal cable respectively and data are deposited
Storage unit (12), the PLC control unit also pass through signal cable and are connected separately with sorting screening unit (14) and stepper motor
Subdivision driver (7), the data storage cell (12) are also connected with signal processing unit (13), the letter by signal cable
Number processing unit (13) is also connected separately with tangent displacement sensor (8) and probe (18) by signal cable.
6. a kind of band of microswitch stroke according to claim 1 carries detection device, which is characterized in that the direct current resistance
Property load source (17) include load source a (17-1) and load source b (17-2), the probe (18) includes a pair of of normally open contact probe
(18-1) and a pair of of normally closed interlock probe (18-2), the both ends of the load source a (17-1) pass through respectively described in conducting wire and a pair
One end of normally closed interlock probe (18-2) connects, and the both ends of the load source b (17-2) pass through conducting wire respectively and a pair is described often
One end of open contact probe (18-1) connects, the other end and microswitch to be measured of a pair of normally open contact probe (18-1)
(16) a pair of of upper static contact (21) connection, the other end and microswitch to be measured of a pair of normally closed interlock probe (18-2)
(16) a pair of of lower static contact (25) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920311522.1U CN209372030U (en) | 2019-03-12 | 2019-03-12 | A kind of band load detection device of microswitch stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920311522.1U CN209372030U (en) | 2019-03-12 | 2019-03-12 | A kind of band load detection device of microswitch stroke |
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| Publication Number | Publication Date |
|---|---|
| CN209372030U true CN209372030U (en) | 2019-09-10 |
Family
ID=67823924
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920311522.1U Active CN209372030U (en) | 2019-03-12 | 2019-03-12 | A kind of band load detection device of microswitch stroke |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671990A (en) * | 2019-09-11 | 2020-01-10 | 芜湖天航装备技术有限公司 | Detection tool and method for coordinated release device |
| CN111076939A (en) * | 2019-12-25 | 2020-04-28 | 国营芜湖机械厂 | Method for testing action stroke of airplane conversion micro-switch mechanism |
| CN111123086A (en) * | 2019-11-26 | 2020-05-08 | 航天东方红卫星有限公司 | Synchronous release tool for satellite disconnecting switch |
| CN111486878A (en) * | 2020-05-08 | 2020-08-04 | 长春晟博光学技术开发有限公司 | Integrated magnetic grid ruler encoder with limiting function |
| CN114354183A (en) * | 2021-12-09 | 2022-04-15 | 昆明北方红外技术股份有限公司 | Damping detection device and method for high-precision linear transmission mechanism |
-
2019
- 2019-03-12 CN CN201920311522.1U patent/CN209372030U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671990A (en) * | 2019-09-11 | 2020-01-10 | 芜湖天航装备技术有限公司 | Detection tool and method for coordinated release device |
| CN111123086A (en) * | 2019-11-26 | 2020-05-08 | 航天东方红卫星有限公司 | Synchronous release tool for satellite disconnecting switch |
| CN111076939A (en) * | 2019-12-25 | 2020-04-28 | 国营芜湖机械厂 | Method for testing action stroke of airplane conversion micro-switch mechanism |
| CN111486878A (en) * | 2020-05-08 | 2020-08-04 | 长春晟博光学技术开发有限公司 | Integrated magnetic grid ruler encoder with limiting function |
| CN114354183A (en) * | 2021-12-09 | 2022-04-15 | 昆明北方红外技术股份有限公司 | Damping detection device and method for high-precision linear transmission mechanism |
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