CN215810599U - Half-length measuring device for leaf spring eye - Google Patents
Half-length measuring device for leaf spring eye Download PDFInfo
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- CN215810599U CN215810599U CN202121269846.7U CN202121269846U CN215810599U CN 215810599 U CN215810599 U CN 215810599U CN 202121269846 U CN202121269846 U CN 202121269846U CN 215810599 U CN215810599 U CN 215810599U
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- leaf spring
- ruler
- spring eye
- positioning pin
- seat
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- 238000001514 detection method Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 8
- 235000014676 Phragmites communis Nutrition 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a half-length measuring device for a leaf spring eye, which comprises a detection table, a ruler seat, a measuring ruler, a positioning pin and a positioning seat, wherein the leaf spring eye is placed on the detection table; the ruler seat is fixedly arranged at the top of the detection platform; the measuring ruler is fixedly arranged at the top of the ruler base; the positioning pin is fixedly arranged on the side wall of the ruler seat, and the outer diameter of the positioning pin is matched with the inner diameter of the central hole of the leaf spring eye; the positioning seat is movably arranged on the detection platform and is positioned on the same side of the ruler seat with the positioning pin. In the half-length measuring device for the leaf spring eye, the positioning pin and the positioning seat can respectively position the center hole and the end part of the leaf spring eye, so that the leaf spring eye is parallel to the measuring ruler, the scale corresponding to the end part of the positioning seat on the measuring ruler is read, the size from the center hole to the end part of the leaf spring eye is obtained, the radius of the ear hole of the leaf spring eye and the thickness of the ear hole are subtracted, and the size from the center hole to the centers of the ear holes at two ends of the leaf spring eye is obtained.
Description
Technical Field
The utility model relates to the technical field of length measuring tools, in particular to a half-length measuring device for a leaf spring eye.
Background
The straightening half length of the spring eye of the steel plate spring is a main parameter influencing product loading and performance, and special management and control are needed in the production and manufacturing process. The dimension value is the distance from the center of the lug hole of the leaf spring eye to the central hole of the reed, and the traditional measuring method adopts a steel ruler or a tape measure to directly measure from the center of the lug hole of the leaf spring eye to the central hole of the reed. The steel plate spring eye belongs to hot working procedure, the steel plate is measured under the hot state, because of being restricted by the operation method, the position of the central hole of the reed needs to be manually observed, and the reference is not parallel and level with the measured steel plate spring when the steel ruler or the tape measure is measured, the measuring tool can be scalded when the general tape measure and the steel ruler are used for measuring, a great error can be generated in the measuring process, and accurate data can not be obtained.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical defects, provides a half-length measuring device for a leaf spring eye, and solves the technical problems that in the prior art, when a steel ruler or a tape measure is adopted to measure the half-length of the straightened leaf spring eye, the position of a central hole of a reed needs to be manually observed, and the steel ruler or the tape measure is not parallel to the measured leaf spring during measurement, so that the measurement result has large errors.
In order to achieve the above technical object, a technical solution of the present invention provides a half-length measuring device for a leaf spring eye, which takes a center hole of the leaf spring eye as a reference to complete the half-length measurement of the leaf spring eye, and includes:
the detection table is used for placing the leaf spring eye;
the ruler seat is fixedly arranged at the top of the detection platform;
the measuring ruler is fixedly arranged at the top of the ruler base;
the positioning pin is fixedly arranged on the side wall of the ruler seat, and the outer diameter of the positioning pin is matched with the inner diameter of the central hole of the leaf spring eye;
and the positioning seat is movably arranged on the detection platform and is positioned on the same side of the ruler seat with the positioning pin.
Further, it is provided with the altitude mixture control subassembly to examine fixed on the test table, the altitude mixture control subassembly includes:
the slotted hole is transversely formed on the ruler base;
the bolt movably penetrates through the slotted hole;
the top end of the bolt penetrates through the slotted hole to be in threaded connection with the fastening nut;
the tail end of the bolt penetrates through the slotted hole to be fixedly connected with the positioning pin fixing sleeve, an installation groove is formed in the end part of the positioning pin fixing sleeve along the axial direction of the positioning pin fixing sleeve, and the positioning pin is tightly sleeved in the installation groove.
Furthermore, the lateral wall of mounting groove just is located it has a plurality of locking screw hole to open along circumference to put in the locating pin fixed sleeve, there is locking screw through threaded connection in the locking screw hole.
Furthermore, the outer wall of the fastening nut is fixedly connected with a handle.
Further, a strip-shaped groove is formed in the top of the ruler base, the depth of the strip-shaped groove is consistent with the thickness of the measuring ruler, and the measuring ruler is embedded in the strip-shaped groove.
Furthermore, a sinking groove is formed in the ruler base and is located right above the groove hole, and the sinking groove is aligned with a zero scale mark of the measuring ruler.
Furthermore, an indicating plate is fixedly arranged at the top of the positioning seat, the end part of the indicating plate protrudes out of the side surface of the positioning seat, and the side surface of the indicating plate is flush with the end surface of the positioning seat.
Furthermore, both sides of the top of the positioning seat are fixedly provided with the indicating plate, and both ends of the indicating plate respectively protrude from both sides of the positioning seat.
Furthermore, a fillet is arranged at the intersection of the positioning seat and the indicating plate.
Furthermore, a handheld groove is formed in the top of one end, far away from the indicating plate, of the positioning seat.
Compared with the prior art, the utility model has the beneficial effects that:
(1) in the device for measuring the half-length of the leaf spring eye, the positioning pin and the positioning seat can respectively position a center hole and an end part of the leaf spring eye, the outer diameter of the positioning pin is matched with the inner diameter of the center hole of the leaf spring eye, so that the leaf spring eye is parallel to the measuring ruler, the size from the center hole to the end part of the leaf spring eye is obtained by reading the scale corresponding to the end part of the positioning seat on the measuring ruler, and then the size from the center hole to the centers of the ear holes at two ends of the leaf spring eye is obtained by subtracting the radius of the ear hole of the leaf spring eye and the thickness of the ear hole;
(2) the height adjustment subassembly can be adjusted the height of locating pin to can be suitable for not the same width the leaf spring eye is fixed a position, has improved application range.
Drawings
FIG. 1 is a top view of a half-length measuring device for a leaf spring eye provided by the present invention in a working state;
FIG. 2 is a left side view of a leaf spring eye half-length measuring device provided by the present invention;
FIG. 3 is a top view of a leaf spring eye half-length measuring device provided by the present invention;
fig. 4 is a schematic cross-sectional view of the dowel retaining sleeve in this embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The utility model provides a half-length measuring device for a leaf spring eye, which is used for measuring the half-length of the leaf spring eye 10 by taking a central hole of the leaf spring eye 10 as a reference, and is structurally shown in figure 1, the half-length measuring device for the leaf spring eye comprises a detection table 1, a ruler base 2, a measuring ruler 3, a positioning pin 4 and a positioning base 5, wherein the detection table 1 is used for placing the leaf spring eye 10; the ruler seat 2 is fixedly arranged at the top of the detection platform 1; the measuring ruler 3 is fixedly arranged at the top of the ruler base 2; the positioning pin 4 is fixedly arranged on the side wall of the ruler base 2, and the outer diameter of the positioning pin 4 is matched with the inner diameter of the central hole of the leaf spring eye 10; the positioning seat 5 is movably arranged on the detection table 1 and is positioned on the same side of the ruler seat 2 with the positioning pin 4.
In the half-length measuring device for the leaf spring eye, the positioning pin 4 and the positioning seat 5 can respectively position the central hole and the end part of the leaf spring eye 10, and the outer diameter of the positioning pin 4 is matched with the inner diameter of the central hole of the leaf spring eye 10, so that the leaf spring eye 10 is parallel to the measuring ruler 3, by reading the scale on the measuring ruler 3 corresponding to the end position of the positioning seat 5, the dimension from the center hole of the leaf spring eye 10 to the end part is obtained, and then the ear hole radius and the eye plate thickness of the leaf spring eye 10 are subtracted (during production and manufacturing, the ear hole radius and the eye plate thickness are manufactured according to the design values, so the ear hole radius and the eye plate thickness are known parameters), and the dimension from the center hole of the leaf spring eye 10 to the center of the ear holes at two ends is obtained. In this embodiment, the outer diameter of the positioning pin 4 is slightly smaller than the inner diameter of the central hole of the leaf spring eye 10.
As a preferred embodiment, referring to fig. 2 and fig. 3, a height adjusting assembly 6 is fixedly arranged on the detecting table 1, the height adjusting assembly 6 includes a slot 61, a bolt 62, a fastening nut 63 and a positioning pin fixing sleeve 64, the slot 61 is transversely opened on the ruler base 2; the bolt 62 movably penetrates through the slotted hole 61; the top end of the bolt 62 passes through the slotted hole 61 and is in threaded connection with the fastening nut 63; the tail end of the bolt 62 passes through the slot 61 and is fixedly connected with the positioning pin fixing sleeve 64, as shown in fig. 4, an installation groove 65 is formed in the end of the positioning pin fixing sleeve 64 along the axial direction, and the positioning pin 4 is tightly sleeved in the installation groove 65. Through the elasticity fastening nut 63, can adjust the height of locating pin 4 to can be suitable for and fix a position the leaf spring eye 10 of different width.
In this embodiment, the terminal surface of the fixed cover 64 of locating pin be with the parallel vertical terminal surface in side of chi seat 2, utilize locating pin 4 is right when leaf spring eye 10 advances line location, will this face of leaf spring eye 10 with the terminal surface of the fixed cover 64 of locating pin closely laminates, also can guarantee leaf spring eye 10 with measure the depth of parallelism of ruler 3, be favorable to right leaf spring eye 10 size measurement's the degree of accuracy.
As a preferred embodiment, please refer to fig. 4, two sides of the positioning pin fixing sleeve 64 are provided with planes 640, the positioning pin fixing sleeve 64 is in clearance fit with the slot 61, and when the fastening nut 63 is rotated, the slot 61 is matched with the planes 640 to prevent the positioning pin fixing sleeve 64 from rotating.
As a preferred embodiment, a plurality of locking threaded holes 66 are circumferentially formed in the side wall of the mounting groove 65 and on the positioning pin fixing sleeve 64, and a locking screw 67 is threadedly connected in each locking threaded hole 66 and is used for locking the positioning pin 4 movably mounted in the mounting groove 65, so as to prevent the positioning pin 4 from loosening during use.
As a preferred embodiment, referring to fig. 3, a handle 68 is fixedly connected to an outer wall of the fastening nut 63, and can replace a wrench to facilitate screwing the fastening nut 63.
As a preferred embodiment, the top of the ruler base 2 is provided with a strip-shaped groove 21, the depth of the strip-shaped groove 21 is consistent with the thickness of the measuring ruler 3, and the measuring ruler 3 is embedded in the strip-shaped groove 21.
As the preferred embodiment, on the ruler base 2 and be located open directly over slotted hole 61 has heavy groove 22, heavy groove 22 with measure the zero scale mark alignment of ruler 3, when installing measure ruler 3, can directly with the zero scale end of measuring ruler 3 directly supports on the lateral wall of heavy groove 22, easy to assemble measure ruler 3.
As a preferred embodiment, please refer to fig. 2 again, an indication plate 7 is fixedly disposed at the top of the positioning seat 5, an end of the indication plate 7 protrudes out of a side surface of the positioning seat 5, and a side surface of the indication plate 7 is flush with an end surface of the positioning seat 5. In this embodiment, the bottom end of the indicator plate 7 is tightly attached to the surface of the measuring support 3, so as to facilitate reading.
As a preferred embodiment, the indicating plate 7 is fixedly arranged on both sides of the top of the positioning seat 5, and both ends of the indicating plate 7 respectively protrude from both side surfaces of the positioning seat 5, so that both end surfaces of the positioning seat 5 can be used as working surfaces.
As a preferable embodiment, a rounded corner 8 is formed at the intersection of the positioning seat 5 and the indication plate 7, so that when the positioning seat 5 is moved, the abrasion of the measurement ruler 3 caused by the interference between the bottom of the indication plate 7 and the measurement ruler 3 is avoided.
As a preferred embodiment, referring to fig. 1 and fig. 3, a handheld groove 9 is formed in the top of one end of the positioning seat 5, which is away from the indicator board 7, so that the positioning seat 5 can be conveniently held by a hand to move, and the weight can be reduced. In this embodiment, the hand-held slot 9 is an arc-shaped slot that is downwardly concave.
The working principle is as follows:
when the positioning device is used, the height of the positioning pin 4 is adjusted according to the width of the leaf spring eye 10 to be measured, the height of the positioning pin 4 is adjusted to 1/2 of the width of the leaf spring eye 10, then the positioning pin 4 penetrates through the center hole of the leaf spring eye 10, the positioning seat 5 is moved, the end part of the leaf spring eye 10 is abutted against the positioning seat 5, the scale value on the measuring ruler 3 corresponding to the indicating plate 7 is read, and then the radius of the ear hole of the leaf spring eye 10 and the thickness of the eye plate are subtracted from the scale value, so that the size from the center hole of the leaf spring eye 10 to the centers of the ear holes at two ends is obtained.
According to the half-length measuring device for the leaf spring eye provided by the embodiment of the utility model, the leaf spring eye 10 can be positioned through the positioning pin 4 and the positioning seat 5, the leaf spring eye 10 can be enabled to be parallel to the measuring ruler 3, the scale corresponding to the end part of the positioning seat 5 on the measuring ruler 3 is read, the accurate size from the center hole of the leaf spring eye 10 to the end part can be obtained, and then the ear hole radius and the ear plate thickness of the leaf spring eye 10 are subtracted, so that the size from the center hole of the leaf spring eye 10 to the centers of the ear holes at two ends can be obtained; in addition, the height of the positioning pin 4 can be adjusted by the height adjusting assembly 6, so that the positioning device is suitable for positioning the leaf spring eye 10 with different widths, and the application range is widened.
In the actual size measurement, there is also a common measurement method, that is, a pin rod is put into the eye with the center hole of the leaf spring eye 10 as the reference, and the size from the center hole of the leaf spring eye 10 to the center of the pin rod is directly measured, such a measurement method has the following problems that if the size of the pin rod is too small, the center of the pin rod is not coincident with the center of the eye, and a measurement error exists; if the size of the pin rod is the same as the aperture of the lug rolling hole, the steel plate spring lug rolling 10 which is just produced is high in temperature (the temperature is 900-1050 ℃), and the lug rolling expands with heat and contracts with cold when being processed with heat, so that the pin rod cannot be taken out. In the embodiment of the utility model, the size from the center hole of the steel plate spring eye 10 to the end part of the steel plate spring eye is measured, then the plate thickness and the radius of the eye are reduced, so that the problems can be avoided, a more accurate size value can be obtained, the read numerical value is the scale of the measuring ruler 3 corresponding to the end part of the positioning seat 5, the steel plate spring eye 10 is prevented from being in direct contact with the measuring ruler 3, and the steel plate spring eye 10 is prevented from being overheated to scald the measuring ruler 3.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a leaf spring eye half-length measuring device which characterized in that includes:
the detection table is used for placing the leaf spring eye;
the ruler seat is fixedly arranged at the top of the detection platform;
the measuring ruler is fixedly arranged at the top of the ruler base;
the positioning pin is fixedly arranged on the side wall of the ruler seat, and the outer diameter of the positioning pin is matched with the inner diameter of the central hole of the leaf spring eye;
and the positioning seat is movably arranged on the detection platform and is positioned on the same side of the ruler seat with the positioning pin.
2. The half-length measuring device for the leaf spring eye according to claim 1, wherein a height adjusting assembly is fixedly arranged on the detection table, and the height adjusting assembly comprises:
the slotted hole is transversely formed on the ruler base;
the bolt movably penetrates through the slotted hole;
the top end of the bolt penetrates through the slotted hole to be in threaded connection with the fastening nut;
the tail end of the bolt penetrates through the slotted hole to be fixedly connected with the positioning pin fixing sleeve, an installation groove is formed in the end part of the positioning pin fixing sleeve along the axial direction of the positioning pin fixing sleeve, and the positioning pin is tightly sleeved in the installation groove.
3. The device for measuring the half-length of the eye of the leaf spring according to claim 2, wherein a plurality of locking threaded holes are formed in the side wall of the mounting groove and on the positioning pin fixing sleeve along the circumferential direction, and locking screws are connected in the locking threaded holes through threads.
4. The device for measuring the half-length of the eye of a leaf spring as claimed in claim 2, wherein a handle is fixedly connected to the outer wall of the fastening nut.
5. The half-length measuring device for the steel plate spring eye is characterized in that a strip-shaped groove is formed in the top of the ruler base, the depth of the strip-shaped groove is consistent with the thickness of the measuring ruler, and the measuring ruler is embedded in the strip-shaped groove.
6. The device for measuring the half-length of the steel plate spring eye according to claim 2, wherein a sunken groove is formed in the ruler base and located right above the groove hole, and the sunken groove is aligned with a zero graduation line of the measuring ruler.
7. The leaf spring eye half-length measuring device according to claim 1, wherein an indicator plate is fixedly arranged on the top of the positioning seat, an end of the indicator plate protrudes out of a side face of the positioning seat, and a side face of the indicator plate is flush with an end face of the positioning seat.
8. The device as claimed in claim 7, wherein the indicator plate is fixedly disposed on both sides of the top of the positioning seat, and both ends of the indicator plate protrude from both sides of the positioning seat.
9. The leaf spring eye half-length measuring device of claim 8, wherein the intersection of the positioning seat and the indicator plate is rounded.
10. The device as claimed in claim 8, wherein a hand-held slot is formed at the top of the end of the positioning seat away from the indicator board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121269846.7U CN215810599U (en) | 2021-06-07 | 2021-06-07 | Half-length measuring device for leaf spring eye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121269846.7U CN215810599U (en) | 2021-06-07 | 2021-06-07 | Half-length measuring device for leaf spring eye |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215810599U true CN215810599U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121269846.7U Expired - Fee Related CN215810599U (en) | 2021-06-07 | 2021-06-07 | Half-length measuring device for leaf spring eye |
Country Status (1)
| Country | Link |
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| CN (1) | CN215810599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279296A (en) * | 2022-03-04 | 2022-04-05 | 山东丰源汽车科技有限公司 | Half-length measuring device for automobile plate spring |
-
2021
- 2021-06-07 CN CN202121269846.7U patent/CN215810599U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114279296A (en) * | 2022-03-04 | 2022-04-05 | 山东丰源汽车科技有限公司 | Half-length measuring device for automobile plate spring |
| CN114279296B (en) * | 2022-03-04 | 2022-05-13 | 山东丰源汽车科技有限公司 | Half-length measuring device for automobile plate spring |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220211 |