CN105352748A - Steering gear pull rod assembly torque performance test method - Google Patents
Steering gear pull rod assembly torque performance test method Download PDFInfo
- Publication number
- CN105352748A CN105352748A CN201510731723.3A CN201510731723A CN105352748A CN 105352748 A CN105352748 A CN 105352748A CN 201510731723 A CN201510731723 A CN 201510731723A CN 105352748 A CN105352748 A CN 105352748A
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- CN
- China
- Prior art keywords
- locating piece
- rod assembly
- steering gear
- scaleplate
- guide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/06—Steering behaviour; Rolling behaviour
Abstract
The invention discloses a steering gear pull rod assembly torque performance test method comprising the following steps: (1) completing positioning of a pull rod on a test fixture; (2) moving a pull rod body 1 to make the pull rod body 1 swing back and forth multiple times, and recording a torque value corresponding to the pull rod body 1 on a scale plate 6; and (3) repeating step (2) multiple times, and taking the average value as the test result. By adopting the test method of the invention, the torque performance of a pull rod assembly can be tested quickly, accurately and effectively, the test efficiency is high, the one-time pass rate of products in the assembly process is improved, and supplied material purchase detection can be monitored effectively.
Description
Technical field
The invention belongs to Automotive Steering Technology field, specifically, the present invention relates to a kind of steering gear rod assembly moment properties method of testing.
Background technology
Rod assembly in steering gear is as the indispensable vitals of automobile steering system, rod assembly is mainly by bar body with to be connected with the bulb of bar body end and the spherical shell with bar body with relative switch effect forms, and the bulb of bar body end inserts in spherical shell.
Whether the moment properties of rod assembly meets the technical standards requirement, very important to steering gear performance impact, in the moment properties needing detection rod assembly in supplied materials and general assembly debug process of stocking up, therefore need to design a kind of test fixture, to improve rod assembly moment properties testing efficiency.
Summary of the invention
The invention provides a kind of steering gear rod assembly moment properties method of testing, object improves testing efficiency.
To achieve these goals, the technical scheme that the present invention takes is: steering gear rod assembly moment properties method of testing, comprises step:
(1) on test fixture, complete the location of rod assembly;
(2) stir after bar body makes its reciprocally swinging repeatedly, moment values corresponding with bar body on the scaleplate of record test fixture;
(3), after repetition step (2) repeatedly, average as test result.
Described test fixture comprises:
Detent mechanism, it is for positioning the spherical shell of rod assembly and fix; And
Guide plate, its have allow the bar body of rod assembly insert and for guiding bar body to carry out the gathering sill swung; Described scaleplate is for be movably arranged between guide plate and detent mechanism.
Described test fixture also comprises base plate, and described detent mechanism and described guide plate are arranged on base plate.
Described detent mechanism comprises the first locating piece be arranged on described base plate and the second locating piece matched with the first locating piece, first locating piece has the first locating slot holding described spherical shell, and the second locating piece has the second locating slot holding the screw rod that spherical shell end is protruded.
Described first locating piece is connected with described base plate by bolt, and described second locating piece is connected with the first locating piece by bolt, and the second locating piece also parallels with the first locating piece.
Described test fixture also comprises and to be connected with described scaleplate and for regulating the governor motion of scaleplate position.
Described governor motion comprises the web joint that is connected with described scaleplate and to be rotatablely arranged on described guide plate and to be the adjusting bolt be threaded with web joint.
Described governor motion also comprises and being arranged on described guide plate and the guide finger paralleled with described adjusting bolt, and described web joint is provided with the pilot hole allowing guide finger pass.
Described scaleplate is between described detent mechanism and described web joint.
Steering gear rod assembly moment properties method of testing of the present invention, adopt special test frock, can test the moment properties of rod assembly fast, precisely, effectively, testing efficiency is high, improves the detection of stocking up of disposable products percent of pass and supplied materials in assembling process and is able to effective monitoring etc.
Accompanying drawing explanation
This instructions comprises the following drawings, shown content respectively:
Fig. 1 is the structural representation of test fixture of the present invention;
Fig. 2 is the vertical view of test fixture of the present invention;
Fig. 3 be bar body with guide plate coordinate schematic diagram;
Fig. 4 be the first locating piece with spherical shell coordinate schematic diagram;
Fig. 5 be detent mechanism with spherical shell coordinate schematic diagram;
Be labeled as in figure:
1, bar body; 2, spherical shell; 3, guide plate; 31, gathering sill; 32, backup block; 33, block; 34, breach; 4, the first locating piece; 41, the first locating slot; 42, the first mounting hole; 43, threaded hole; 44, locating piece body; 45, leg; 5, the second locating piece; 51, the second locating slot; 52, the second mounting hole; 6, scaleplate; 7, web joint; 8, guide finger; 9, screw rod; 10, set nut; 11, base plate; 12, adjusting bolt; 13, knob.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, be described in further detail the specific embodiment of the present invention, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present invention, technical scheme, and contribute to its enforcement.
As shown in Figures 1 to 5, the invention provides a kind of steering gear rod assembly moment properties test fixture, be mainly used for testing the shaking moment of rod assembly.Rod assembly is mainly by bar body 1 with to be connected with the bulb of bar body 1 end and the spherical shell 2 with bar body 1 with relative switch effect forms, the bulb of bar body 1 end inserts in spherical shell 2, and the center, end of spherical shell 2 is also provided with the screw rod 9 protruded vertically.Test fixture of the present invention comprises base plate 11, detent mechanism, guide plate 3 and scaleplate 6; Detent mechanism is for positioning the spherical shell 2 of rod assembly and fix; Guide plate 3 has allows the bar body 1 of rod assembly insert and for guiding bar body 1 to carry out the gathering sill 31 swung; Scaleplate 6, for be movably arranged between guide plate 3 and detent mechanism, scaleplate 6 marks strong square indicator graduation lines, and each scale mark has corresponding moment values.When testing, make bar body 1 along gathering sill 31 reciprocally swinging, and scale mark when being at every turn rocked to extreme position according to bar body 1 on corresponding scaleplate 6, record corresponding moment values.
Specifically, as shown in Figure 1, the basis that the base plate 11 of test fixture of the present invention is installed as miscellaneous part, detent mechanism and guide plate 3 are arranged on base plate 11.Guide plate 3 is fixedly connected with base plate 11, and base plate 11 is for being horizontally disposed with, and guide plate 3 is vertically arrange, and guide plate 3 is perpendicular with base plate 11.
As depicted in figs. 1 and 2, detent mechanism comprises the first locating piece 4 be vertically arranged on base plate 11 and the second locating piece 5 matched with the first locating piece 4, first locating piece 4 has the first locating slot 41, second locating piece 5 holding spherical shell 2 and has the second locating slot 51 holding the screw rod 9 that spherical shell 2 end is protruded.First locating piece 4 and base plate 11 is connected for detachable, the installation site of the first locating piece 4 on base plate 11 and adjustable.
As preferably, as depicted in figs. 1 and 2, the first locating piece 4 is fixedly connected with base plate 11 by bolt, and the first locating piece 4 parallels with guide plate 3, and scaleplate 6 is between the first locating piece 4 and guide plate 3.As shown in Figure 4, two legs 45 that first locating piece 4 has locating piece body 44 and is arranged on locating piece body 44, locating piece body 44 is rectangular block shape structure, locating piece body 44 parallels with guide plate 3, two legs 45 are arranged on a side of locating piece body 44 respectively, and the first locating piece 4 of formation is in convex shape structure.First locating slot 41 is arranged on locating piece body 44, first locating slot 41 be the downwardly rectangular channel that extends to form of locating piece body 44 inside from the end face of locating piece body 44, first locating slot 41 also runs through locating piece body 44 along the direction paralleled with the moving direction of adjusting bolt 12 axis and scaleplate 6, positions so that put into spherical shell 2.Two legs 45 are all arranged the first mounting hole 42, two first mounting holes 42 allowing bolt pass to be on the same straight line that parallels with guide plate 3.First mounting hole 42 is preferably elongated hole, and the length of the first mounting hole 42 is greater than the diameter of bolt, thus can make the installation site of the first locating piece 4 can left and right adjusting.The length direction of the first mounting hole 42 is perpendicular with the moving direction of scaleplate 6 and parallel with the end face of base plate 11, and the end face of base plate 11 is surface level.Be in the same vertical plane paralleled with guide plate 3 for the axis of two bolts fixing the first locating piece 4.
As preferably, as depicted in figs. 1 and 2, the second locating piece 5 is connected with the first locating piece 4 by bolt, and the second locating piece 5 is also fitted with the first locating piece 4 and parallels.Second locating piece 5 is connected for detachable with the first locating piece 4, the installation site of the second locating piece 5 on the first locating piece 4 and adjustable.As shown in Figure 5, second locating piece 5 is rectangular block shape structure, second locating slot 51 is the downwardly rectangular channel that extends to form of the second locating piece 5 inside from the end face of the second locating piece 5, second locating slot 51 also runs through the second locating piece 5 along the direction paralleled with the moving direction of adjusting bolt 12 axis and scaleplate 6, positions so that put into screw rod 9.The length of screw rod 9 is greater than the thickness of the second locating piece 5, and after spherical shell 2 and screw rod 9 put into the first locating slot 41 and the second locating slot 51 respectively, a part for screw rod 9 is arranged in the second locating slot 51, and another part extend out to outside the second locating slot 51.In order to fixing spherical shell 2, detent mechanism also comprises the set nut 10 of clamping second locating piece 5 that to match with spherical shell 2, and set nut 10 is sheathed on the external part of screw rod 9, and screw rod 9 outside surface has screw thread, and set nut 10 and screw rod 9 are for being threaded.To be fixed on the first locating piece 4 and after tightening the set nut 10 on screw rod 9 at the second locating piece 5, set nut 10 and spherical shell 2 can clamp the second locating piece 5, thus rod assembly can be made to be fixed on detent mechanism, make the axis of spherical shell 2 be in surface level, make bar body 1 can in surface level reciprocally swinging.
As shown in Figure 5, second locating piece 5 is provided with two the second mounting holes 52 allowing bolt pass, correspondingly to be provided with on locating piece body 44 in the same plane that to be in the axis of two threaded holes, 43, two threaded holes 43 of the second mounting hole 52 aligned in position and to parallel with the end face of base plate 11.Second mounting hole 52 is preferably elongated hole, the length of the second mounting hole 52 is greater than the diameter of bolt, the end face of the length direction of the second mounting hole 52 and the moving direction of scaleplate 6 and base plate 11 is perpendicular, thus can make the installation site of the second locating piece 5 can up-down adjustment.
As preferably, as shown in Figure 5, the equal diameters of the width of the second locating slot 51 and the screw rod 9 of rod assembly end to be tested, the width of the first locating slot 41 is equal with the overall diameter of spherical shell 2, and lock nut 10 and be locked, fixed to guarantee spherical shell 2.And, between first locating piece 4 and base plate 11, all with bolts between the second locating piece 5 and the first locating piece 4, can Fast Installation and dismounting two locating pieces, to change the locating piece of the locating slot with corresponding groove width according to the difference of rod assembly model, efficiency is high, easy to operate, improve versatility.In addition, by arranging the first microscler mounting hole 42 on the first locating piece 4, the installation site of detent mechanism on base plate 11 can be regulated, be convenient to regulate the fixed position of spherical shell 2 that the axis of spherical shell 2 is alignd with the zero graduation line on scaleplate 6, improve the accuracy of rod assembly shaking moment test.
As shown in Figure 1 to Figure 3, test fixture of the present invention also comprises and to be connected with scaleplate 6 and for regulating the governor motion of scaleplate 6 position, this governor motion comprise the web joint 7 that is connected with scaleplate 6 and rotatable to be arranged on guide plate 3 and with the adjusting bolt 12 of web joint 7 for being threaded.Adjusting bolt 12 horizontally passes through guide plate 3 and arranges, and one end of adjusting bolt 12 is inserted in threaded hole set on web joint 7, and the other end arranges knob 13.Guide plate 3 is between knob 13 and web joint 7, web joint 7 parallels with guide plate 3, the axis of adjusting bolt 12 and web joint 7 and guide plate 3 perpendicular, adjusting bolt 12 only can be rotated relative to guide plate 3, adjusting bolt 12 and web joint 7 form bolt transmission, by turning knob 13, web joint 7 can be made to drive the scaleplate 6 on it to move linearly back and forth between detent mechanism and guide plate 3 in the horizontal direction, thus the adjustment of scaleplate 6 position can be realized.
As shown in Figure 1 to Figure 3, governor motion also comprises and being fixedly installed on guide plate 3 and the guide finger 8 paralleled with adjusting bolt 12, and web joint 7 is provided with the pilot hole allowing guide finger 8 pass.In the present embodiment, guide finger 8 is provided with two, and the pilot hole on corresponding web joint 7 is also provided with two, and two guide fingers 8 lay respectively at the side of adjusting bolt 12.
As depicted in figs. 1 and 2, scaleplate 6 is between the first locating piece 4 and web joint 7, and scaleplate 6 is connected for vertical with web joint 7, and web joint 7 is vertically arrange, and scaleplate 6 is for being horizontally disposed with, and scaleplate 6 parallels with base plate 11.The end face of scaleplate 6 parallels with the end face of base plate 11, and the end face of scaleplate 6 arranges moment indicator graduation lines, and each scale mark has corresponding moment values (unit is Nm).Because bar body 1 relative spherical shell 2 in surface level during test does oscillating motion, all scale marks be arranged on scaleplate 6 end face be circular arc distribution, and the center of circle of this circular arc is also positioned on the rotation centerline of bar body 1, the accuracy that raising is tested.Zero graduation line on scaleplate 6 is positioned at the middle position of circular arc, and this zero graduation line and the axis of adjusting bolt 12 are in the same vertical plane vertical with plate top surface.
Consider that the length of different model rod assembly is different, the hunting range of the relative spherical shell of bar body is different, and the scale zone on scaleplate 6 is limited in scope and non-adjustable, by scaleplate 6 is arranged to position-adjustable, be convenient to regulate the scale zone on scaleplate 6 at least to want to overlap with the full swing scope of bar body, guarantee to measure the moment values of bar body, improve versatility and measurement accuracy.
As shown in Figure 3, guide plate 3 comprises the backup block 32 be fixedly connected with base plate 11 and two blocks 33 be fixedly connected with backup block 32.The bottom of backup block 32 is fixedly connected with base plate 11 by screw, the end face of backup block 32 is the plane paralleled with the end face of base plate 11, and vertical range between the end face of backup block 32 and base plate 11 end face is slightly larger than the vertical range between the end face of scaleplate 6 and base plate 11 end face.Block 33 is L-type structure, each block 33 has the horizontal part that a vertical portion be fixedly connected with the top of backup block 32 and are positioned at the top face of backup block 32, two blocks 33 and to overregulate bolt 12 axis and the vertical plane perpendicular with base plate 11 end face is symmetrical arranged as central plane.As preferably, backup block 32 and block 33 are formed in one, the gathering sill 31 formed is between backup block 32 and two blocks 33, gathering sill 31 is the elongated slot of the vertical portion extending to another block 33 from the vertical portion of a block 33, the length direction of gathering sill 31 parallels with the length direction of the first mounting hole 42, namely gathering sill 31 is extend along the direction paralleled with base plate 11 end face and run through the elongated slot of guide plate 3 along the direction paralleled with the axis of adjusting bolt 12, the end of bar body 1 is stretched out from gathering sill 31, convenient operation bar body 1 carries out swing to be tested.
As shown in Figure 3, the horizontal part of block 33 is for extend in the horizontal direction, the horizontal part of block 33 parallels with the length direction of web joint 7, be not connected between the horizontal part of two blocks 33, thus formation allows bar body 1 pass in and out a breach 34 of gathering sill 31 between the horizontal part of two blocks 33, the width of this breach 34 is greater than the diameter of bar body 1.The centre position of corresponding gathering sill 31 length direction in position of breach 34, breach 34 is also communicated with the gathering sill 31 of below.
Present invention also offers a kind of steering gear rod assembly moment properties method of testing, adopt the test fixture of said structure, method of testing comprises the steps:
(1) on test fixture, complete the location of rod assembly;
(2) stir after bar body 1 makes its reciprocally swinging repeatedly, moment values corresponding with bar body 1 on record scaleplate 6;
(3), after repetition step (2) repeatedly, average as test result.
In above-mentioned steps (1), by detent mechanism, spherical shell 2 is fixed, bar body 1 is put into gathering sill 31 from the breach 34 of guide plate 3, the end of bar body 1 is also stretched out from gathering sill 31, is convenient to stir bar body 1 and swings.
In above-mentioned steps (2), during test the first reciprocally swinging of bar body 1 repeatedly after, scale mark time static by range estimation bar body 1 on the below scaleplate 6 aimed at, records the moment values that this scale mark is corresponding.
In above-mentioned steps (3), after repetition step (2) repeatedly, the moment values of all records is added summation, and averages as test result.
Because method of testing of the present invention adopts the shaking moment performance of test fixture to rod assembly of said structure to test, all its has all advantages of above-mentioned test fixture, can test the moment properties of rod assembly fast, precisely, effectively, testing efficiency is high, improves the detection of stocking up of disposable products percent of pass and supplied materials in assembling process and is able to effective monitoring etc.
Below by reference to the accompanying drawings to invention has been exemplary description.Obviously, specific implementation of the present invention is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention.
Claims (9)
1. steering gear rod assembly moment properties method of testing, is characterized in that, comprise step:
(1) on test fixture, complete the location of rod assembly;
(2) stir after bar body makes its reciprocally swinging repeatedly, moment values corresponding with bar body on the scaleplate of record test fixture;
(3), after repetition step (2) repeatedly, average as test result.
2. steering gear rod assembly moment properties method of testing according to claim 1, it is characterized in that, described test fixture comprises:
Detent mechanism, it is for positioning the spherical shell of rod assembly and fix; And
Guide plate, its have allow the bar body of rod assembly insert and for guiding bar body to carry out the gathering sill swung; Described scaleplate is for be movably arranged between guide plate and detent mechanism.
3. steering gear rod assembly moment properties method of testing according to claim 2, it is characterized in that, described test fixture also comprises base plate, and described detent mechanism and described guide plate are arranged on base plate.
4. steering gear rod assembly moment properties method of testing according to claim 3, it is characterized in that, described detent mechanism comprises the first locating piece be arranged on described base plate and the second locating piece matched with the first locating piece, first locating piece has the first locating slot holding described spherical shell, and the second locating piece has the second locating slot holding the screw rod that spherical shell end is protruded.
5. steering gear rod assembly moment properties method of testing according to claim 4, it is characterized in that, described first locating piece is connected with described base plate by bolt, and described second locating piece is connected with the first locating piece by bolt, and the second locating piece also parallels with the first locating piece.
6. the steering gear rod assembly moment properties method of testing according to Claims 2 or 3, is characterized in that, described test fixture also comprises and to be connected with described scaleplate and for regulating the governor motion of scaleplate position.
7. steering gear rod assembly moment properties method of testing according to claim 6, it is characterized in that, described governor motion comprises the web joint that is connected with described scaleplate and to be rotatablely arranged on described guide plate and to be the adjusting bolt be threaded with web joint.
8. steering gear rod assembly moment properties method of testing according to claim 7, it is characterized in that, described governor motion also comprises and being arranged on described guide plate and the guide finger paralleled with described adjusting bolt, and described web joint is provided with the pilot hole allowing guide finger pass.
9. the steering gear rod assembly moment properties method of testing according to claim 7 or 8, it is characterized in that, described scaleplate is between described detent mechanism and described web joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510731723.3A CN105352748B (en) | 2015-10-29 | 2015-10-29 | Steering gear rod assembly moment properties test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510731723.3A CN105352748B (en) | 2015-10-29 | 2015-10-29 | Steering gear rod assembly moment properties test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105352748A true CN105352748A (en) | 2016-02-24 |
| CN105352748B CN105352748B (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510731723.3A Active CN105352748B (en) | 2015-10-29 | 2015-10-29 | Steering gear rod assembly moment properties test method |
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| Country | Link |
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| CN (1) | CN105352748B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530654A (en) * | 2019-10-12 | 2019-12-03 | 燕山大学 | The horizontal maximum stable torgue measurement machine of battlebus stabilizer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1059204A (en) * | 1996-08-20 | 1998-03-03 | Koyo Seiko Co Ltd | Rack and pinion type steering device |
| CN2294812Y (en) * | 1997-04-30 | 1998-10-21 | 刘俊杰 | Wrench testing braking torque of lifter |
| CN201740619U (en) * | 2010-05-25 | 2011-02-09 | 四川望锦机械有限公司 | Moment on-line detection platform of steering rod |
| CN202075077U (en) * | 2011-04-01 | 2011-12-14 | 奇瑞汽车股份有限公司 | Rotary type vehicle door spacing torque test device |
| CN202092813U (en) * | 2011-05-20 | 2011-12-28 | 万向钱潮（桂林）汽车底盘部件有限公司 | Swinging moment detecting device with ball head pull rod |
| CN202431739U (en) * | 2012-01-07 | 2012-09-12 | 湖北三环汽车方向机有限公司 | Rack-and-pinion steering link with buffer ring |
-
2015
- 2015-10-29 CN CN201510731723.3A patent/CN105352748B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1059204A (en) * | 1996-08-20 | 1998-03-03 | Koyo Seiko Co Ltd | Rack and pinion type steering device |
| CN2294812Y (en) * | 1997-04-30 | 1998-10-21 | 刘俊杰 | Wrench testing braking torque of lifter |
| CN201740619U (en) * | 2010-05-25 | 2011-02-09 | 四川望锦机械有限公司 | Moment on-line detection platform of steering rod |
| CN202075077U (en) * | 2011-04-01 | 2011-12-14 | 奇瑞汽车股份有限公司 | Rotary type vehicle door spacing torque test device |
| CN202092813U (en) * | 2011-05-20 | 2011-12-28 | 万向钱潮（桂林）汽车底盘部件有限公司 | Swinging moment detecting device with ball head pull rod |
| CN202431739U (en) * | 2012-01-07 | 2012-09-12 | 湖北三环汽车方向机有限公司 | Rack-and-pinion steering link with buffer ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530654A (en) * | 2019-10-12 | 2019-12-03 | 燕山大学 | The horizontal maximum stable torgue measurement machine of battlebus stabilizer |
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| CN105352748B (en) | 2018-05-29 |
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Effective date of registration: 20220419 Address after: 108 shacen Road, Jingzhou Development Zone, Jingzhou City, Hubei Province Patentee after: Hubei Henglong kaiwanbi electric steering system Co.,Ltd. Address before: 241009 Anhui city of Wuhu Province, Hubei economic and Technological Development Zone Longshan tunnel North Road Patentee before: WUHU HENGLONG AUTO STEERING SYSTEMS Co.,Ltd. |
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