CN205482745U - Assembly earhole hang down straightness and parallel measuring device - Google Patents
Assembly earhole hang down straightness and parallel measuring device Download PDFInfo
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- CN205482745U CN205482745U CN201620100380.0U CN201620100380U CN205482745U CN 205482745 U CN205482745 U CN 205482745U CN 201620100380 U CN201620100380 U CN 201620100380U CN 205482745 U CN205482745 U CN 205482745U
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- leaf spring
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- shaped arm
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Abstract
The utility model provides an assembly earhole hang down straightness and parallel measuring device, relate to the measurement field, leaf spring fixing device and leaf spring verifying attachment fix on the experimental desk, leaf spring fixing device includes bow -shaped arm, bow -shaped arm is installed on the experimental desk, be provided with the through -hole in the bow -shaped arm installation head of bow -shaped arm upper end, install fixation nut in the through -hole, fixation nut is connected with the screw rod silk, the screw rod is fixed with hand wheel and toper pressure head, leaf spring places on experimental layer board, experimental top board has been placed in the middle of the leaf spring up end, leaf spring verifying attachment is including the inspection disc, the disc shaft shell of inspection disc is installed in the earhole of leaf spring both ends, the ruler is fixed on the set square or is unsettled and two the inspection disc of fixing in the leaf spring earhole is laminated mutually, the utility model discloses it is complicated in the testing process that the depth of parallelism and squareness measurement in -process appear to solve leaf spring, the problem of inefficiency.
Description
Technical field
This utility model relates to fields of measurement, a kind of assembly earhole perpendicularity being applied to leaf spring and
Parallelism measuring apparatus.
Background technology
Leaf spring is most widely used a kind of flexible member in automotive suspension, if it is to have dry tablet wide but Length discrepancy
The spring beam of the approximately equi-strength that the alloy spring sheet of (width can be equal, it is also possible to unequal) combines.After installing
Two ends are bent upwards naturally.When the impulsive force of wheel is transmitted by road surface, steel plate is deformed, and plays the effect of buffering, vibration damping,
The volume bag ear stress of leaf spring is serious, is weakness, and in motor spring production technology, grasswort bag ear is critical process.GB/
T19844-2005 " leaf spring " specifies, grasswort aperture center axis must hang down perpendicular and parallel in the vertically and horizontally centrage of steel plate.
Accordingly, it would be desirable to perpendicularity and the depth of parallelism to spring eye footpath detect, general measurer is not easy to directly it
Detecting, detection process is complicated, and efficiency is low.
Utility model content
The detection process occurred during the depth of parallelism and squareness measurement for leaf spring is complicated, and inefficiency etc. is asked
Topic, this utility model provides a kind of assembly earhole perpendicularity and parallelism measuring apparatus, can avoid the generation of the problems referred to above.
The technical scheme in the invention for solving the technical problem is:
A kind of assembly earhole perpendicularity and parallelism measuring apparatus, including experimental desk, leaf spring fixing device and steel plate
Spring tester device, described leaf spring fixing device and leaf spring verifying attachment be each attached on experimental desk, described steel plate
Spring fitting device includes testing supporting plate, test top board, conical indenter, bow-shaped arm, handwheel, screw rod and fixing nut, described
Bow-shaped arm is arranged on experimental desk, is provided with through hole, is provided with fixing in through hole in the bow-shaped arm mounting head of bow-shaped arm upper end
Nut, fixing nut is connected with screw rod silk, and screw rod upper surface is fixed with handwheel, and screw rod lower surface is provided with conical indenter, described
Test supporting plate is placed on experimental desk, and leaf spring is placed on test supporting plate, and leaf spring is placed with test in the middle of upper surface
Top board, described leaf spring verifying attachment includes checking disk, set square and ruler, the disc shaft shell of described inspection disk
Being arranged in the earhole of leaf spring two ends, set square experimental desk being placed with and checking disk to fit, ruler is fixed on triangle
On chi or inspection disk that is unsettled and that be fixed on described in two in leaf spring earhole fits.
Further, described inspection disk also include the first knock pin, the second knock pin, steel ball, spring, spring top cover,
Disk and hex nut, described disc shaft shell is provided with middle through hole, and described disc shaft shell is provided with middle through hole, described in logical
Bore ends is provided with for the spacing draw-in groove of the first knock pin, is provided with the first knock pin, disc shaft shell side in middle through hole
Being provided with the annular protrusion fixed for disk, described disk is fixed on disc shaft shell by hex nut and the first knock pin
On, described disc shaft shell side is provided with circular mounting hole, is provided with steel ball, described disc shaft in described circular mounting hole
Being provided with some second knock pins in shell, described first knock pin and the second knock pin link together, the second knock pin
End face is provided with spring, spring other end contact spring top cover, and described spring top cover is provided with screw thread, disc shaft shell
Inner face is provided with screw thread, and spring top cover is connected with disc shaft outer casing screw.
Further, described bow-shaped arm mounting head sidewall is provided with tapped through hole, and it is blind that fixing nut sidewall is provided with screw thread
Hole, bow-shaped arm mounting head is bolted with fixing nut.
Further, described fixing nut lower end be provided with for position in bow-shaped arm mounting head limit ring-type convex
Rise.
Further, described screw rod bottom sidewall is provided with tapped blind hole, conical indenter is provided with groove, in institute
Stating and be provided with tapped through hole on the sidewall of groove, screw rod is bolted with conical indenter.
Further, bellmouth, described bellmouth center and taper pressure it are provided with in the middle part of described test top board upper surface
Head concentric.
The beneficial effects of the utility model are:
1, this utility model simple in construction, easy to use, it is possible to solve leaf spring in the depth of parallelism and squareness measurement
The detection process occurred in journey is complicated, the problem of inefficiency.
2, the mode that screw rod is used in combination is used with handwheel, it is possible to carry out the fixing of leaf spring easily；
3, conical indenter and the rapid of the collocation fixed form of test top board, beneficially leaf spring are fixed, and test is pressed
The bellmouth arranged in the middle of plate matches with conical indenter so that leaf spring is fixing more firm；
4, the design of the steel ball fixation steel plate spring bag ear in inspection disk, location is simple rapidly；
5, use ruler to use with set square collocation, the detection of perpendicularity and the depth of parallelism can be carried out the most faster, improve
Labor productivity, has saved cost.
Accompanying drawing explanation
Fig. 1 is this utility model three dimensional structure schematic diagram when detecting the depth of parallelism；
Fig. 2 is this utility model front view when detecting the depth of parallelism；
Fig. 3 is the full sectional view in Fig. 2 at A-A；
Fig. 4 is the full sectional view checking disk in this utility model；
Fig. 5 is this utility model three dimensional structure schematic diagram when detecting perpendicularity；
In figure: 1 experimental desk, 2 inspection disks, 201 first knock pins, 202 second knock pins, 203 steel balls, 204 springs,
205 disc shaft shells, 206 spring top covers, 207 disks, 208 hex nuts, 3 rulers, 301 ruler main bodys, 302 card articles, 4 triangles
Chi, 401 set square main bodys, 402 installing holes, 5 test supporting plates, 6 test top boards, 7 conical indenters, 8 bow-shaped arms, 801 bow-shaped arms
Main body, 802 bow-shaped arm mounting heads, 9 handwheels, 10 screw rods, 11 fix nut, 12 leaf springs.
Detailed description of the invention
As shown in Figures 1 to 5, a kind of assembly earhole perpendicularity and parallelism measuring apparatus, including experimental desk 1, inspection circle
Dish 2, test supporting plate 5, test top board 6, conical indenter 7, bow-shaped arm 8, handwheel 9, screw rod 10, fixing nut 11, leaf spring
12。
Being fixed with bow-shaped arm 8 on experimental desk 1, bow-shaped arm 8 is preferably fixed to the centre position of experimental desk 1, described arch
Arm 8 includes bow-shaped arm main body 801 and bow-shaped arm mounting head 802, as it is shown on figure 3, bow-shaped arm main body 801 bottom is fixed on test
On table 1, the upper end of bow-shaped arm is provided with bow-shaped arm mounting head 802, and bow-shaped arm mounting head 802 is provided with through hole, at this through hole
Inside being provided with fixing nut 11, described fixing nut 11 lower end is provided with annular projection, is used for and bow-shaped arm mounting head about 802
The restriction of position.Being provided with tapped through hole on the sidewall of described bow-shaped arm mounting head 802, the sidewall of fixing nut 11 is provided with spiral shell
Stricture of vagina blind hole, bow-shaped arm mounting head 802 is bolted with fixing nut 11, limits fixing nut 11 and installs relative to bow-shaped arm
The rotation of 802.
Being sliding combined with screw rod 10 on described fixing nut 11, described screw rod 10 upper end is fixed with handwheel 9, passes through handwheel
The rotation of 9 drives the screw rod 10 change relative to fixing nut 11 position.
It is provided with tapped blind hole on the sidewall of described screw rod 10 bottom, conical indenter 7 is provided with groove, at described groove
Sidewall on be provided with tapped through hole, screw rod 10 is bolted with conical indenter 7, and limits conical indenter 7 relative to spiral shell
The rotation of bar 10 and moving up and down.
It is placed with test supporting plate 5 on experimental desk 1, test supporting plate 5 is placed with leaf spring 12, leaf spring 12 central part
Position is placed with test top board 6, is provided with bellmouth in the middle part of described test top board 6 upper surface, the center of described bellmouth with
Conical indenter 7 concentric.
Stud 10 is driven to move down so that conical indenter 7 fits tightly with test top board 6 by the rotation of handwheel 9, effect
Power is on leaf spring 12, it is possible to carry out the fixing of leaf spring 12.
Described inspection disk 2 includes that disc shaft shell 205, described disc shaft shell 205 are arranged on the two of leaf spring 12
In end earhole.
In order to improve testing accuracy further, described inspection disk 2 also includes first knock pin the 201, second knock pin
202, steel ball 203, spring 204, spring top cover 206, disk 207 and hex nut 208, as shown in Figure 4, described disc shaft shell
205 are provided with middle through hole, and described middle through hole end is provided with for the spacing draw-in groove of the first knock pin, is provided with in middle through hole
One knock pin 201, disc shaft shell 205 side is provided with for the fixing annular protrusion of disk 207, and described disk 207 passes through
Hex nut 208 and the first knock pin 201 are fixed on disc shaft shell 205, and described disc shaft shell 205 side is additionally provided with
Circular mounting hole, is provided with steel ball 203 in described circular mounting hole, is provided with some second and ejects in described disc shaft shell
Pin 202, described first knock pin 201 links together with the second knock pin 202, and the end face of the second knock pin 202 is provided with bullet
Spring 204, spring other end contact spring top cover 206, described spring top cover 206 is provided with screw thread, disc shaft shell 205
Inner face is provided with screw thread, and spring top cover 206 is threadeded with disc shaft shell 205.By spring top cover 206 constantly in
Rotation, and then compression spring 204 so that the second knock pin 202 compressing is placed on the steel ball in disc shaft shell 205 circular mounting hole
203 outer shiftings.Steel ball 203 thus contact with leaf spring 12 earhole.
When in the assembling of disk 2 of testing, the axis of assembling rear disk shaft housing 205 is put down with the annulus of disk 207
Face perpendicularity cannot be greater than 0.015；After assembling, steel ball 203 must not skid off disc shaft shell 205；After assembling, steel ball 203 should pass
Disc shaft shell 205 surface must not be less than 0.3mm；After ensureing assembling, steel ball can be slowly extruded in gradually screwing of spring top cover 206
203 surfaces exposing disc shaft shell 205.
Working method, when carrying out the measurement of the assembly earhole depth of parallelism, as shown in Figures 1 to 4, first by leaf spring 12
It is placed on test supporting plate 5, is placed with test top board 6, the upper pressure of now test in the centre position, upper surface of leaf spring 12
Bellmouth center on plate 6 and conical indenter 7 concentric.Then backspin handwheel 9 so that conical indenter 7 and test top board 6
Raw elastic deformation, thus the position carrying out leaf spring 12 is fixed.
Inspection disk 2 all it is placed with in the two ends earhole of leaf spring 12, after placing inspection disk 2, inward turning spring
Top cover 206 so that steel ball 203 exposes the surface of disc shaft shell 205, multiple points connect with the earhole inner face of leaf spring 12
Touch.Two set squares 4 are fixed with ruler 3, then ruler 3 are checked ruler 3 and two inspection circles near two inspection disks 2
Whether four contact points of dish 2 fit closely, if it is in bad order to fit, are i.e. judged to defective.
When carrying out the measurement of assembly earhole perpendicularity, the fixed form of leaf spring 12 and inspection disk 2 is consistent, different
Be to carry out perpendicularity inspection only with set square 4.The end face of set square 4 with inspection dish 2 is fitted, if two contacts
Closely, then it is qualified to be judged in point all laminatings, if laminating the most closely exists certain gap, is then judged to defective.
In addition to the technical characteristic described in description, it is the known technology of those skilled in the art.
Claims (6)
1. assembly earhole perpendicularity and a parallelism measuring apparatus, is characterized in that, including experimental desk, leaf spring fixing device
With leaf spring verifying attachment, described leaf spring fixing device and leaf spring verifying attachment be each attached on experimental desk, institute
State leaf spring fixing device to include testing supporting plate, test top board, conical indenter, bow-shaped arm, handwheel, screw rod and fixing spiral shell
Mother, described bow-shaped arm is arranged on experimental desk, is provided with through hole in the bow-shaped arm mounting head of bow-shaped arm upper end, installs in through hole
Having fixing nut, fixing nut is connected with screw rod silk, and screw rod upper surface is fixed with handwheel, and screw rod lower surface is provided with taper pressure
Head, described test supporting plate is placed on experimental desk, and leaf spring is placed on test supporting plate, places in the middle of leaf spring upper surface
Test top board, described leaf spring verifying attachment is had to include checking disk, set square and ruler, the disk of described inspection disk
Shaft housing is arranged in the earhole of leaf spring two ends, and set square experimental desk being placed with and checking disk to fit, ruler is fixed
On set square or inspection disk that is unsettled and that be fixed on described in two in leaf spring earhole fits.
A kind of assembly earhole perpendicularity the most according to claim 1 and parallelism measuring apparatus, is characterized in that, described inspection
Disk also includes the first knock pin, the second knock pin, steel ball, spring, spring top cover, disk and hex nut, described disc shaft
Shell is provided with middle through hole, and described disc shaft shell is provided with middle through hole, and described middle through hole end is provided with and ejects for first
Selling spacing draw-in groove, be provided with the first knock pin in middle through hole, disc shaft shell side is provided with the annular fixed for disk
Projection, described disk is fixed on disc shaft shell by hex nut and the first knock pin, and described disc shaft shell side sets
It is equipped with circular mounting hole, in described circular mounting hole, is provided with steel ball, some second tops are installed in described disc shaft shell
Going out pin, described first knock pin and the second knock pin link together, and the end face of the second knock pin is provided with spring, spring another
End contact spring top cover, described spring top cover is provided with screw thread, and the inner face of disc shaft shell is provided with screw thread, spring top
Lid is connected with disc shaft outer casing screw.
A kind of assembly earhole perpendicularity the most according to claim 1 and parallelism measuring apparatus, is characterized in that, described arch
Arm mounting head sidewall is provided with tapped through hole, and fixing nut sidewall is provided with tapped blind hole, bow-shaped arm mounting head and fixing nut
It is bolted.
A kind of assembly earhole perpendicularity the most according to claim 3 and parallelism measuring apparatus, is characterized in that, described fixing
Nut lower end is provided with the annular projection limited for position in bow-shaped arm mounting head.
A kind of assembly earhole perpendicularity the most according to claim 1 and parallelism measuring apparatus, is characterized in that, described screw rod
It is provided with tapped blind hole on the sidewall of bottom, conical indenter is provided with groove, the sidewall of described groove is provided with screw thread
Through hole, screw rod is bolted with conical indenter.
A kind of assembly earhole perpendicularity the most according to claim 1 and parallelism measuring apparatus, is characterized in that, described test
Bellmouth, described bellmouth center and conical indenter concentric it is provided with in the middle part of top board upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620100380.0U CN205482745U (en) | 2016-01-29 | 2016-01-29 | Assembly earhole hang down straightness and parallel measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620100380.0U CN205482745U (en) | 2016-01-29 | 2016-01-29 | Assembly earhole hang down straightness and parallel measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205482745U true CN205482745U (en) | 2016-08-17 |
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ID=56672997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620100380.0U Active CN205482745U (en) | 2016-01-29 | 2016-01-29 | Assembly earhole hang down straightness and parallel measuring device |
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| Country | Link |
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| CN (1) | CN205482745U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026450A (en) * | 2019-05-05 | 2019-07-19 | 安徽红旗弹簧有限公司 | A kind of leaf spring detection device |
| CN110966970A (en) * | 2019-12-30 | 2020-04-07 | 山东雷帕得汽车技术股份有限公司 | Steel plate spring arc height measuring tool |
| CN113865530A (en) * | 2021-08-27 | 2021-12-31 | 东风汽车底盘系统有限公司 | Bow-shaped trailer guide arm key installation size verifying attachment |
| CN114111532A (en) * | 2021-11-19 | 2022-03-01 | 东风汽车底盘系统有限公司 | Leaf spring eye vertical parallelism detection device |
-
2016
- 2016-01-29 CN CN201620100380.0U patent/CN205482745U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026450A (en) * | 2019-05-05 | 2019-07-19 | 安徽红旗弹簧有限公司 | A kind of leaf spring detection device |
| CN110966970A (en) * | 2019-12-30 | 2020-04-07 | 山东雷帕得汽车技术股份有限公司 | Steel plate spring arc height measuring tool |
| CN110966970B (en) * | 2019-12-30 | 2021-12-10 | 山东雷帕得汽车技术股份有限公司 | Steel plate spring arc height measuring tool |
| CN113865530A (en) * | 2021-08-27 | 2021-12-31 | 东风汽车底盘系统有限公司 | Bow-shaped trailer guide arm key installation size verifying attachment |
| CN113865530B (en) * | 2021-08-27 | 2023-10-20 | 东风汽车底盘系统有限公司 | Device for checking key installation size of guide arm of arched trailer |
| CN114111532A (en) * | 2021-11-19 | 2022-03-01 | 东风汽车底盘系统有限公司 | Leaf spring eye vertical parallelism detection device |
| CN114111532B (en) * | 2021-11-19 | 2023-10-20 | 东风汽车底盘系统有限公司 | Leaf spring eye vertical parallelism detection device |
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| GR01 | Patent grant |