CN202255700U - Automobile steering wheel stress detection device - Google Patents
Automobile steering wheel stress detection device Download PDFInfo
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- CN202255700U CN202255700U CN2011203868450U CN201120386845U CN202255700U CN 202255700 U CN202255700 U CN 202255700U CN 2011203868450 U CN2011203868450 U CN 2011203868450U CN 201120386845 U CN201120386845 U CN 201120386845U CN 202255700 U CN202255700 U CN 202255700U
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Abstract
The utility model discloses an automobile steering wheel stress detection device which is composed of displacement sensors, stress sensors, received signal amplifiers, an A/D converting circuit, a D/A converting circuit, a PLC control circuit, a touch screen, a printer, a servo proportioning valve, and solenoid valves. Two displacement sensors and three stress sensors are electrically connected with received signal amplifying circuits. The received signal amplifying circuits are electrically connected with the A/D converting circuit. The A/D converting circuit is electrically connected with the PLC control circuit. The D/A converting circuit is electrically connected with the PLC control circuit. The touch screen is electrically connected with the PLC control circuit. The servo proportioning valve is electrically connected with the D/A converting circuit. The printer is electrically connected with the touch screen. The solenoid valves control the operation of cylinders. A power supply gives power to the touch screen and the PLC control circuit. The PLC control circuit controls the cylinders to apply stress to an automobile steering wheel via the solenoid valves. The stress sensors detect the stress, and the displacement sensors detect the displacement deformation and transmit data to the PLC control circuit, and then the data is displayed by the touch screen and can be printed by the printer.
Description
Technical field
The utility model relates to a kind of pick-up unit, particularly relates to a kind of vehicle steering strained detection device.
Background technology
The test of steering wheel stress deformation comprises the axial force test, turns to torsional test, its objective is that steering wheel is receiving axial force and turning under the situation of torsion, the axial and tangential deformation situation of inspection.
Following according to GB QC/T 563-1999 steering wheel test method:
(1), steering column is to whole load deflection: behind the artificial wheel rim marked measurement point at steering wheel; The manual steering wheel integral body of placing loads desired load; Keep wanting to unload behind the seeking time; On gauge point, measure the external diameter of wheel rim and the numerical value before and after the steering wheel high deformation with slide calliper rule and ruler, to obtain set deformation volume.This method is complicated operation not only, and detection means is backward, so that the testing result error is very big.
(2), steering column is to the tangential torsional deflection: manually be assemblied in steering wheel on the anchor clamps identical with steering axle; Clamps is on square chest; The dial gauge measuring head is placed on the centre position of steering-wheel spider, manual work adds tangential weight load, keeps wanting to unload behind the seeking time; Read the dial gauge reading, reverse set deformation volume to obtain.This method exists complicated operation equally, detection means falls behind, the problem that the testing result error is big.
Summary of the invention
The purpose of the utility model is to fall behind for the complicated operation that axially reaches the existence of tangential deformation detection method, the detection means that solves existing steering wheel; The problem that the testing result error is big, and provide a kind of simple to operate, automaticity is high, detect the little vehicle steering strained detection device of error.
The utility model is made up of displacement transducer, force transducer, receiving signal amplifier, A/D change-over circuit, D/A change-over circuit, PLC control circuit, touch-screen, printer, servo proportion and solenoid valve; Two displacement transducers and three force transducers are electrically connected with the reception signal amplification circuit; Receiving signal amplification circuit is electrically connected with the A/D change-over circuit; The A/D change-over circuit is electrically connected with the PLC control circuit, and the D/A change-over circuit is electrically connected with the PLC control circuit, and touch-screen is electrically connected with the PLC control circuit; Servo proportion is electrically connected with the D/A change-over circuit; Printer is electrically connected with touch-screen, the solenoid control cylinder operation, and power supply is to touch-screen and the power supply of PLC control circuit.Wherein, the A/D change-over circuit adopts Link-MaxAD041, and the PLC control circuit adopts Omron CP1H-XA type, and touch-screen adopts MT5320C, and servo proportion adopts ITV3050-113L.
The course of work and the principle of the utility model are: the PLC control circuit laterally reaches vertical application of force through the solenoid control cylinder to vehicle steering; Force transducer detects the size of the application of force; Displacement transducer detects the size of vehicle steering displacement deformation; And size, the vehicle steering deflection of power be transferred to the PLC control circuit, by screen displaying, and can come out by printer prints.
The beneficial effect of the utility model is: easy and simple to handle, detection speed is fast, measuring accuracy is higher.
Description of drawings:
Fig. 1 is the structured flowchart of the utility model.
Embodiment
See also shown in Figure 1; The utility model is made up of displacement transducer 1, force transducer 2, receiving signal amplifier 3, A/D change-over circuit 4, D/A change-over circuit 5, PLC control circuit 6, touch-screen 7, printer 8, servo proportion 9 and solenoid valve 10; Two displacement transducers 1 and three force transducers 2 are electrically connected with receiving signal amplification circuit 3, receive signal amplification circuit 3 and are electrically connected with A/D change-over circuit 4, and A/D change-over circuit 4 is electrically connected with PLC control circuit 6; D/A change-over circuit 5 is electrically connected with PLC control circuit 6; Touch-screen 7 is electrically connected with PLC control circuit 6, and servo proportion 9 is electrically connected with D/A change-over circuit 5, and printer 8 is electrically connected with touch-screen 7; 12 work of solenoid valve 10 control cylinders, power supply 11 is to touch-screen 7 and 6 power supplies of PLC control circuit.Wherein, A/D change-over circuit 4 adopts Link-Max AD041, PLC control circuit 6 employing Omron CP1H-XA types, and touch-screen 7 adopts MT5320C, and servo proportion 9 adopts ITV3050-113L.
Described displacement transducer 1, force transducer 2, receiving signal amplifier 3, D/A change-over circuit 5, printer 8 and solenoid valve 10 are prior aries, and concrete structure and circuit repeat no more.
The course of work and the principle of the utility model are: the PLC control circuit laterally reaches vertical application of force through the solenoid control cylinder to vehicle steering; Force transducer detects the size of the application of force; Displacement transducer detects the size of vehicle steering displacement deformation; And size, the vehicle steering deflection of power be transferred to the PLC control circuit, by screen displaying, and can come out by printer prints.
Claims (1)
1. vehicle steering strained detection device; It is characterized in that: form by displacement transducer, force transducer, receiving signal amplifier, A/D change-over circuit, D/A change-over circuit, PLC control circuit, touch-screen, printer, servo proportion and solenoid valve; Two displacement transducers and three force transducers are electrically connected with receiving signal amplification circuit, receive signal amplification circuit and are electrically connected with the A/D change-over circuit, and the A/D change-over circuit is electrically connected with the PLC control circuit; The D/A change-over circuit is electrically connected with the PLC control circuit; Touch-screen is electrically connected with the PLC control circuit, and servo proportion is electrically connected with the D/A change-over circuit, and printer is electrically connected with touch-screen; The solenoid control cylinder operation, power supply is to touch-screen and the power supply of PLC control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203868450U CN202255700U (en) | 2011-10-13 | 2011-10-13 | Automobile steering wheel stress detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203868450U CN202255700U (en) | 2011-10-13 | 2011-10-13 | Automobile steering wheel stress detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202255700U true CN202255700U (en) | 2012-05-30 |
Family
ID=46116925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203868450U Expired - Fee Related CN202255700U (en) | 2011-10-13 | 2011-10-13 | Automobile steering wheel stress detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202255700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353532A (en) * | 2011-10-12 | 2012-02-15 | 长春工业大学 | Device for detecting stressed deformation of auto steering wheel |
| CN112556914A (en) * | 2020-12-21 | 2021-03-26 | 襄阳易通朗达汽车技术服务有限公司 | Steering wheel force measuring device for automobile detection |
-
2011
- 2011-10-13 CN CN2011203868450U patent/CN202255700U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353532A (en) * | 2011-10-12 | 2012-02-15 | 长春工业大学 | Device for detecting stressed deformation of auto steering wheel |
| CN112556914A (en) * | 2020-12-21 | 2021-03-26 | 襄阳易通朗达汽车技术服务有限公司 | Steering wheel force measuring device for automobile detection |
| CN112556914B (en) * | 2020-12-21 | 2022-07-15 | 襄阳易通朗达汽车技术服务有限公司 | Steering wheel force measuring device for automobile detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20121013 |