CN203422081U - Testing device for steering engine - Google Patents
Testing device for steering engine Download PDFInfo
- Publication number
- CN203422081U CN203422081U CN201320280072.7U CN201320280072U CN203422081U CN 203422081 U CN203422081 U CN 203422081U CN 201320280072 U CN201320280072 U CN 201320280072U CN 203422081 U CN203422081 U CN 203422081U
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- steering box
- tooth bar
- proving installation
- input display
- housing
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- Expired - Lifetime
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Abstract
The utility model provides a testing device for a steering engine. The testing device is used for detecting clearance fit between herringbone teeth of a rotary valve in a steering engine and helical teeth of a tooth bar, wherein the steering engine comprises the rotary valve, the tooth bar, an adjusting nut assembly comprising a nut with a threaded hole and a cushion block in a press mounting on the tooth bar, and a housing, the testing device is characterized by comprising: an installing fixed part for installing the steering engine, a mobile part for driving the tooth bar to move back and forth in a predetermined direction, a driving part at least for driving the mobile part to move at a certain speed, a measuring part for measuring the clearance fit to obtain a clearance parameter, an input display part, and a detection control part for detecting whether the clearance parameter is in the range of standard clearance parameters, controlling the input display part to display that the detection result is qualified when the clearance parameter is in the range of standard clearance parameters, and otherwise, controlling the input display part to display that the detection result is unqualified.
Description
Technical field
The utility model relates to a kind of steering box proving installation.
Background technology
In automobile, steering box is connected with bearing circle, and when driver's steering wheel rotation, steering box helps driver firmly, to alleviate use the dynamics of driver while turning to, while reaching driving driver easily, object easily.
The steering box 1 of automobile contains rotary valve 2, tooth bar 3, adjusting nut assembly 4, the peripheral housing 5 that is arranged on rotary valve 2, tooth bar 3 and adjusting nut assembly 4 and oil pipe 6 conventionally.Adjusting nut assembly 4 contains nut 7, cushion block 8 and the spring that is threaded hole.
As shown in Figure 1, 2, 3, the steering box 1 of general automobile contains rotary valve 2, tooth bar 3, adjusting nut assembly 4, the peripheral housing 5 that is arranged on rotary valve 2, tooth bar 3 and adjusting nut assembly 4 and oil pipe 6 conventionally, and adjusting nut assembly 4 also contains and has nut 7, the spring 8 of threaded hole and be fitted in the cushion block 8 on tooth bar 3.In automobile; bearing circle is connected with rotary valve 4; when assembling person is when installing adjusting nut assembly 4; twisting resistance is improper; will cause cushion block 8 to be fitted in the pretightning force of tooth bar 3 inadequate; thereby the situation that occurs the excesssive gap (, clearance fit does not reach standard) between the herringbone tooth of rotary valve 4 and the helical teeth of tooth bar 3; when this situation can cause driver to use bearing circle veer conventionally, motor turning tire can not respond in time; thereby cause not problem accurately of motor turning, have potential danger.Just because of this goes forward to test to the clearance fit between the herringbone tooth of rotary valve 4 and the helical teeth of tooth bar 3 (, the test of beating of steering rack spacing) steering box 1 being assembled to automobile.
In the past, steering box test is manual completing all, and measurement clearance needs first steering box is fixed, and profiling bearing circle and mechanical dial gauge are installed, manual rotation bearing circle then, and by the data of visual inspection machinery dial gauge, and hand-kept data.
Hand dipping gap mainly contains following defect:
1. handmade rotary bearing circle, rotational speed is inhomogeneous;
2. mechanical dial gauge precision is limited, cannot reach high precision;
3. visual inspection dial gauge pointer is beated, and has perceptual error, and the high resolving power naked eyes of beating cannot be observed;
4. data hand-kept, can not review;
Test duration slow, efficiency is low.
To sum up, the testing apparatus that need to provide at present a kind of robotization to process, to overcome the existing above-mentioned shortcoming and defect of manual test.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of steering box proving installation of robotization, the problems referred to above that exist to solve prior art.
To achieve these goals, the utility model has adopted following technical scheme:
The utility model provides a kind of steering box proving installation, for to comprising rotary valve, tooth bar, contain and there is the nut of threaded hole and be fitted in the adjusting nut assembly of the cushion block on tooth bar and the herringbone tooth of rotary valve of the steering box of housing and the clearance fit between the helical teeth of tooth bar detect, it is characterized in that, have: mounting part, be used for installing steering box, make steering box be positioned to precalculated position, and fix housing; Moving part, for being with carry-over bar to do and move around along predetermined direction, producing tooth bar and beats; Drive division, at least for driving moving part to move according to certain speed; Measurement section, for measuring gap parameter based on beating to clearance fit; Input display part, for entering the operating instructions, the translational speed of standard clearance parameter area, moving part, and shows test results; And detection control part, be used for controlling mounting part, moving part, drive division, measurement section and input display part, and whether detector gap parameter is in standard clearance parameter area, when gap parameter is in standard clearance parameter area time, control inputs display part shows the qualified result of detection, otherwise control inputs display part shows the defective result of detection, wherein, measurement section comprises: high accuracy displacement sensor and stretch to the assembly unit contacting with cushion block for the screw that makes high accuracy displacement sensor aim at adjusting nut assembly.
Steering box proving installation of the present utility model can also comprise: switch portion, for opening or close mounting part, moving part, drive division, measurement section, input display part and detecting control part, wherein, switch portion is connected with detection control part, when switch portion is during in starting state, control part is to mounting part, moving part, drive division, measurement section, input display part and detect control part sending controling instruction.
In addition, steering box proving installation of the present utility model can also comprise: storage part, and for memory gap parameter.
In addition, in steering box proving installation of the present utility model, can also there is such feature: mounting part contains: a plurality of supporting seats, corresponding with the shape of housing, for supporting steering box; And compressing unit, for housing is fixed and clamped in precalculated position.
In addition, in steering box proving installation of the present utility model, can also there is such feature: moving part comprises for linkage unit and the linear module for driving this linkage unit to move around according to predetermined direction of the one end that connects tooth bar are installed.
In addition, in steering box proving installation of the present utility model, can also there is such feature: linkage unit contains the pull head of the one end that is useful on connection teeth bar and the clamping components that this pull head is clamped.
In addition, in steering box proving installation of the present utility model, can also there is such feature: drive division comprises the first driver element, the second driver element and the 3rd driver element, the first driver element is used for driving clamping components to clamp pull head, the second driver element is used for driving linear module to drive linkage unit to move around according to predetermined direction, and the 3rd driver element is used for driving compressing unit to compress housing.
In addition, in steering box proving installation of the present utility model, can also there is such feature: the surface of housing is provided with the bar code that contains steering box information, steering box proving installation also comprises for bar code being read and identified the scanner section of steering box information, input display part is also for showing steering box information, and storage part is also for storing steering box information.
The effect of utility model and effect
According to steering box proving installation of the present utility model, because steering box proving installation has mounting part, moving part, drive division, measurement section, input display part and detection control part, so, can according to predetermined speed, move around by drive division band carry-over bar, thereby can control effectively to translational speed, the test of simultaneously using high accuracy displacement sensor to carry out tooth bar spacing obtains real-time gap parameter, also greatly improved testing precision, by detecting these real-time gap parameters of control part intelligent decision, be all in standard clearance parameter area again, whether thereby it is qualified to detect steering box, thereby finally reach the object that realizes automatic test, not only can greatly increase work efficiency, efficient test in batches, and improved the accuracy of testing result, guaranteed the technical requirement of automobile industry " zero-fault ", and this automatic test also greatly reduces labour intensity.
In addition,, owing to adopting input display part can input various instructions, therefore, operator can also input different steering orders according to the type of product, thereby can different test requests be set for different product, meets the test needs of different product.
Accompanying drawing explanation
Fig. 1 is the structural representation of steering box;
Fig. 2 is the decomposed figure of steering box;
Fig. 3 is the rotary valve of steering box and the cooperation figure of tooth bar;
Fig. 4 is the steering box proving installation that relates to of the utility model block diagram in an embodiment;
Fig. 5 is the steering box proving installation that relates to of the utility model structural representation in an embodiment;
Fig. 6 is that steering box is arranged on the structural representation in steering box proving installation;
Fig. 7 is that steering box proving installation is arranged on the structural representation on lathe; And
Fig. 8 is the related method of testing of the utility model process flow diagram in an embodiment.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the related steering box proving installation of the utility model is elaborated, but the utility model is not restricted to this embodiment.
< embodiment >
Fig. 4 is the steering box proving installation that relates to of the utility model block diagram in an embodiment.
Fig. 5 is the steering box proving installation that relates to of the utility model structural representation in an embodiment.
As shown in Figure 4,5, steering box proving installation 9 contains mounting part 10, moving part 11, drive division 12, measurement section 13, input display part 14, detects control part 15, switch portion 16, storage part 17 and scanner section 18.
Fig. 6 is that steering box is arranged on the structural representation in steering box proving installation.
, make steering box 1 in horizontal level as shown in Figure 6 mounting part 10, for steering box 1 is installed, makes steering box 1 be positioned to precalculated position,, and fixes housing 5, guarantees that the housing 5 of steering box 1 can not change by occurrence positions in test process.Mounting part 10 contains: a plurality of supporting seats 101, compressing unit 102 and brace table 103.Supporting seat 101 is corresponding with the shape of housing 5, be provided with altogether in the present embodiment three supporting seats 101, these three supporting seats 101 contain respectively circular arc open slot and two Y type open slots, be respectively used to place two ends and the middle part of housing 5, thereby whole steering box 1 is supported, and fix in the horizontal direction housing 5,, housing 5 can all around not moved.Compressing unit 102 contains a briquetting 1021, and the shape of briquetting 1021 is corresponding with the shape at housing 5 middle parts, housing 5 middle parts is pressed, thereby fix in vertical direction housing 5, housing 5 is fixed in precalculated position compress can not move up and down.Brace table 103 is cylindrical boss, for rotary valve 2 is provided support.
Moving part 11, for being with carry-over bar 3 to do and move around along predetermined direction, makes to relatively move between the helical teeth of tooth bar 3 and the herringbone tooth of rotary valve 2, thereby makes tooth bar 3 produce upper and lower beating.At this moment, because the cushion block 8 in adjusting nut assembly 4 is fitted on tooth bar 3, so beating of tooth bar 3 also drives beating of cushion block 8 simultaneously.Moving part 11 comprises linkage unit 111 and linear module 112.In the present embodiment, linkage unit 111 is for installing the left end that connects tooth bar 3, and linkage unit 111 contains pull head 1112 and clamping components 1113.As shown in Figure 5, the right-hand member of pull head 1112 is provided with a boss 11121, the outer external thread that is arranged with of boss 11121, and the left end of tooth bar 3 is provided with internal thread, and boss 11121 just can be connected by screw thread with the left end of tooth bar 3 like this.Clamping components 1113 is set to the structure that two lobes can divide, close, and corresponding with the shape of the left end of pull head, can clamp from the left and right sides to the left end of this pull head 1112.Linear module 112 is for driving this linkage unit 111 to move around according to predetermined direction (, the F direction as shown in Fig. 6 double-head arrow).
As shown in Figure 5,6, measurement section 13 moves with carry-over bar 3 upper and lower the beating that hour rack 3 produces based on moving part 11 clearance fit is measured, and, the amplitude of tooth bar 3 is measured, obtains real-time gap parameter.Measurement section 13 comprises high accuracy displacement sensor 131, assembly unit 132, mount pad 133.In the present embodiment, high accuracy displacement sensor 131 is RDP displacement transducer.Assembly unit 132 stretches to cushion block 8 and contacts for the screw that makes high accuracy displacement sensor 131 aim at adjusting nut assembly 4, thereby can to beating of tooth bar 3, measure according to beating of cushion block 8.Mount pad 133, for assembly unit 132 is installed, is installed assembly unit 132 while guaranteeing test and can not become flexible.
Fig. 7 is that steering box proving installation is arranged on the structural representation on lathe.
As shown in Figure 7, input display part 14 can be installed in the right side of lathe 19.Proving installation is lifted on lathe upside.Switch portion 15 is arranged on the table top of lathe 19.And, in measurement section 13, one end of assembly unit 132 an and member 20 that is slidably connected is connected and is suspended in lathe, when needs are tested, allow operator that measurement section is slid into the position corresponding with the screw of whole nut assembly 4, then the screw of high accuracy displacement sensor 131 aligning adjusting nut assemblies 4 is stretched to cushion block 8 and contacted.Detecting control part 15 can be arranged in the rack 21 of lathe 19 belows.
As shown in Figure 4, detect control part 15 for controlling mounting part 10, moving part 11, drive division 12, measurement section 13 and input display part 14, and detect each real-time gap parameter whether in standard clearance parameter area, when each real-time gap parameter is in standard clearance parameter area time, control inputs display part 14 shows the qualified result of detection, otherwise control inputs display part 14 shows the defective result of detection.Detect control part 15 and can adopt programmable controller (Programmable Logic Controller, PLC) or central processing unit (Central Processing Unit, CPU).
In the present embodiment, the surface of housing 5 is also provided with bar code, the various information that contain steering box in this bar code, such as: the model of steering box, assembling date, assembling person's name be not, the standard clearance parameter area of this steering box etc. just need operator this standard clearance parameter area to be inputted while having stored standard clearance parameter area in bar code again.
Therefore, now in steering box proving installation, also contain and be useful on the scanner section 18 that this bar code is read and identified the information of steering box.Meanwhile, input display part 14 is also for showing the information of steering box, and storage part 17 is also for storing the information of this steering box, the translational speed of moving part and test result etc.
In the present embodiment, detecting control part 15 can also be by the translational speed of the information of steering box, gap parameter, standard clearance parameter area, moving part, and test result is uploaded to client server end to guarantee trackability.
Fig. 8 is the related detection method of the utility model process flow diagram in an embodiment.
In the present embodiment, as shown in Fig. 1 to 8, measuring method is as follows:
Allow operator enter the operating instructions the translational speed (step 101) with moving part by input display part 14.
Allow operator steering box 1 be put into the open slot of three supporting seats 101, and allow brace table 103 support rotary valve 2, make steering box 1 in horizontal level as shown in Figure 6, then allow operator's starting switch portion 16 make to detect control part 15 control the 3rd driver elements 123 and drive compressing units 102 to compress from the top down housing 5, guarantee that the housing 5 of steering box 1 can not change (step 102) by occurrence positions in test process.
By the bar code on 18 pairs of steering boxs of scanner section, 1 housing 5, read, identify the information (step 103) of steering box.
Allow operator pack adjusting nut assembly 4 into steering box 1 manual tighten in advance (step 104).
Re-use torque spanner the screwing force of adjusting nut assembly 4 is adjusted to (step 105).
Then the screw of high accuracy displacement sensor 131 being aimed to adjusting nut assemblies 4 stretches to and cushion block 8 connect (contacting), and allow operator that pull head 1112 is connected with the left end of tooth bar 3, and the left end of pull head 1112 is put into clamping components 1113, by detecting control part 15 control the first driver elements 121, drive clamping components 1113 to clamp (step 106) from the left and right sides to the left end of pull head 1112.
Then use torque spanner rotation pull head 1112 so that tooth bar 3 produces gaps fluctuation, determine gap at zero point simultaneously, and by torque spanner by this at zero point gap and torque value feed back to detect control part 15(step 107).
Then adopt detection control part 15 to control the second driver elements 122 and drive linear module 112 to drive linkage unit 111 to move around according to certain translational speed, at this moment high accuracy displacement sensor 131 measures real-time gap parameter (step 108) based on beating to clearance fit.
Adopt to detect control part 15 and detect real-time gap parameter whether in standard clearance parameter area, when these real-time gap parameters are in standard clearance parameter area time, the clearance fit of sending control inputs display part 14 detects qualified signal, at this moment, detection control part 15 control the first driver elements 121, the second driver element 122, the 3rd driver element 123 return to initial position, allow operator take out steering box 1, test finishes, and once test can complete (step 109) in 15 seconds.
When these real-time gap parameters are not in standard clearance parameter area time, detection control part 15 control inputs display parts 14 send clearance fit and detect defective signal, and prompting operation person does further and to adjust (step 110) the screwing force of adjusting nut assembly, and then return to step 107 and test for the second time.
In said process, translational speed and the test result of storage part 17 meetings to the information of steering box, all real-time gap parameters, moving part.Meanwhile, input display part 14 demonstrates information, testing time and the test result of steering box.
And, steering box 1 can install adjusting nut assembly 4(by assembling person in advance and tighten), and then send by operator and test, in this case, when testing for the first time, operator can save the step 104 in above-mentioned test process, only need to be in the clearance fit of this steering box defectively uses torque spanner need to carry out follow-up test time again the screwing force of adjusting nut assembly 4 is further adjusted.
The effect of embodiment and effect
According to the steering box proving installation of the present embodiment, because steering box proving installation has mounting part, moving part, drive division, measurement section, input display part and detection control part, so, can according to predetermined speed, move around by drive division band carry-over bar, thereby can control effectively to translational speed, the test of simultaneously using high accuracy displacement sensor to carry out tooth bar spacing obtains real-time gap parameter, also greatly improved testing precision, by detecting these real-time gap parameters of control part intelligent decision, be all in standard clearance parameter area again, whether thereby it is qualified to detect steering box, thereby finally reach the object that realizes automatic test, not only can greatly increase work efficiency, efficient test in batches, and improved the accuracy of testing result, guaranteed the technical requirement of automobile industry " zero-fault ", and this automatic test also greatly reduces labour intensity.
In addition,, owing to adopting input display part can input various instructions, therefore, operator can also input different steering orders according to the type of steering box, thereby can different test requests be set for different product, meets the test needs of different product.
In addition, owing to also thering is storage part in steering box proving installation, can store the information of steering box, the translational speed of moving part and test result etc., and detecting control part can also be by the translational speed of the information of steering box, gap parameter, standard clearance parameter area, moving part, and test result is uploaded to client server end, therefore, the data of test can access effective preservation, thereby can realize the trackability to test data.
Certainly, the related steering box proving installation of the utility model is not merely defined in structure in the present embodiment.
In the present embodiment, adopt cylinder and servomotor as actuator, be not limited to use cylinder, also can use oil cylinder or motor etc.
Claims (8)
1. a steering box proving installation, for to comprising rotary valve, tooth bar, contain and there is the nut of threaded hole and be fitted in the adjusting nut assembly of the cushion block on described tooth bar and the herringbone tooth of described rotary valve of the steering box of housing and the clearance fit between the helical teeth of described tooth bar detect, it is characterized in that having:
Mounting part, for described steering box is installed, makes described steering box be positioned to precalculated position, and secures the above housing;
Moving part, for driving described tooth bar to do and move around along predetermined direction, produces described tooth bar and beats;
Drive division, at least for driving described moving part to move according to certain speed;
Measurement section, for measuring gap parameter based on described beating to described clearance fit;
Input display part, for entering the operating instructions, the translational speed of standard clearance parameter area, described moving part, and shows test results; And
Detect control part, be used for controlling described mounting part, moving part, drive division, measurement section and input display part, and detect described gap parameter whether in described standard clearance parameter area, when described gap parameter is in described standard clearance parameter area time, control described input display part and show the qualified result of detection, otherwise control described input display part and show the defective result of detection
Wherein, described measurement section comprises: high accuracy displacement sensor and stretch to the assembly unit contacting with described cushion block for the screw that makes described high accuracy displacement sensor aim at described adjusting nut assembly.
2. steering box proving installation according to claim 1, is characterized in that, also comprises:
Switch portion, for opening or close described mounting part, described moving part, described drive division, described measurement section, described input display part and described detection control part,
Wherein, described switch portion is connected with described detection control part, when described switch portion is during in starting state, described control part is to described mounting part, described moving part, described drive division, described measurement section, described input display part and described detection control part sending controling instruction.
3. steering box proving installation according to claim 1, is characterized in that, also comprises:
Storage part, for storing described gap parameter.
4. steering box proving installation according to claim 1, is characterized in that:
Wherein, described mounting part contains: a plurality of supporting seats, and corresponding with the shape of described housing, for supporting described steering box; And compressing unit, for described housing is fixed and clamped in described precalculated position.
5. steering box proving installation according to claim 1, is characterized in that:
Wherein, described moving part comprises for linkage unit and the linear module for driving this linkage unit to move around according to described predetermined direction of the one end that connects described tooth bar are installed.
6. steering box proving installation according to claim 5, is characterized in that:
Wherein, described linkage unit is containing being useful on the pull head of the one end that connects described tooth bar and the clamping components that this pull head is clamped.
7. steering box proving installation according to claim 6, is characterized in that:
Wherein, described mounting part contains: a plurality of supporting seats, and corresponding with the shape of described housing, for supporting described steering box; And compressing unit, for described housing is fixed and clamped in described precalculated position,
Described drive division comprises the first driver element, the second driver element and the 3rd driver element,
Described the first driver element is used for driving described clamping components to clamp described pull head,
Described the second driver element is used for driving described linear module to drive described linkage unit to move around according to described predetermined direction,
Described the 3rd driver element is used for driving described compressing unit to compress described housing.
8. steering box proving installation according to claim 3, is characterized in that:
Wherein, the surface of described housing is provided with the bar code that contains steering box information, and described steering box proving installation also comprises for described bar code being read and identified the scanner section of described steering box information,
Described input display part is also for showing described steering box information,
Described storage part is also for storing described steering box information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320280072.7U CN203422081U (en) | 2013-05-21 | 2013-05-21 | Testing device for steering engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320280072.7U CN203422081U (en) | 2013-05-21 | 2013-05-21 | Testing device for steering engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422081U true CN203422081U (en) | 2014-02-05 |
Family
ID=50021176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320280072.7U Expired - Lifetime CN203422081U (en) | 2013-05-21 | 2013-05-21 | Testing device for steering engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203422081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180788A (en) * | 2013-05-21 | 2014-12-03 | 臻越自动化技术（上海）有限公司 | Testing device for steering engine and testing method thereof |
| CN104482841A (en) * | 2014-11-30 | 2015-04-01 | 芜湖世特瑞转向系统有限公司 | Measuring device for mesh clearance value of gear rack of steering engine |
-
2013
- 2013-05-21 CN CN201320280072.7U patent/CN203422081U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180788A (en) * | 2013-05-21 | 2014-12-03 | 臻越自动化技术（上海）有限公司 | Testing device for steering engine and testing method thereof |
| CN104180788B (en) * | 2013-05-21 | 2017-02-22 | 臻越自动化技术（上海）有限公司 | Testing device for steering engine and testing method thereof |
| CN104482841A (en) * | 2014-11-30 | 2015-04-01 | 芜湖世特瑞转向系统有限公司 | Measuring device for mesh clearance value of gear rack of steering engine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |