CN220418360U - Universal testing machine displacement type measuring device based on laser ranging - Google Patents
Universal testing machine displacement type measuring device based on laser ranging Download PDFInfo
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- CN220418360U CN220418360U CN202320550883.8U CN202320550883U CN220418360U CN 220418360 U CN220418360 U CN 220418360U CN 202320550883 U CN202320550883 U CN 202320550883U CN 220418360 U CN220418360 U CN 220418360U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a displacement type measuring device of a universal testing machine based on laser ranging, which comprises: the device comprises a working platform, a storage platform, a combined driving mechanism, a mounting mechanism and a laser sensor; a storage table is arranged on the working platform and is used for placing objects to be detected; a combined driving mechanism is arranged beside the storage table and drives the mounting mechanism to move in the X direction, the Y direction and the Z direction; the mounting mechanism is provided with a laser sensor; the mounting mechanism includes: the device comprises a sliding seat, a first hinging seat, a second hinging seat, a first rotation limiting mechanism and a second rotation limiting mechanism, wherein the sliding seat is provided with a combined driving mechanism output end, the sliding seat is provided with the first hinging seat, the first hinging seat is provided with the second hinging seat which can rotate, and the second hinging seat is provided with a laser sensor. The displacement type measuring device of the universal testing machine based on laser ranging solves the problem that in the prior art, the detection result is inaccurate due to the fact that the laser line is located in the direction deviating from the vertical direction.
Description
Technical Field
The utility model relates to a displacement measuring device, in particular to a displacement measuring device of a universal testing machine based on laser ranging.
Background
The displacement measuring device of the universal testing machine based on laser ranging is used for detecting the flatness, the bending degree and the like of the surface of a workpiece, realizing multi-point detection during detection, obtaining the distances of multiple points, and analyzing and dividing the flatness or the flatness according to the distances of the points.
The China patent discloses a measuring system center calibration method based on a laser displacement sensor, with the application number of CN201811459122.1, which comprises the following steps: building a four-coordinate laser measurement system platform, combining a laser displacement sensor with the existing four-coordinate measurement system to form a four-coordinate laser measurement system, wherein the four-coordinate laser measurement system comprises a linear axis X axis, a Y axis, a Z axis and a rotary axis C axis, and the laser displacement sensor is arranged at the tail end of the X axis; analyzing the error correction factors of the laser displacement sensor; solving the relation between the incident inclination angle, the incident corner, and the incident swing angle; a laser displacement sensor measurement error correction experiment; measuring the center of a standard rod; and (5) center coordinates and error compensation analysis of the four-coordinate laser measurement system.
The platform structure used in the above method is simple, but the disadvantages still exist are: because the laser displacement sensor can not realize leveling, namely can not guarantee that the laser displacement sensor sends the laser line all in vertical direction, when waiting to detect the object also in horizontal direction, because the laser line is located the position of deviating from vertical direction, lead to the inaccurate testing result.
Disclosure of Invention
The utility model provides a displacement type measuring device of a universal testing machine based on laser ranging, which solves the problem of inaccurate detection results caused by the fact that a laser line is positioned in a direction deviating from the vertical direction in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model discloses a displacement type measuring device of a universal testing machine based on laser ranging, which comprises: the device comprises a working platform, a storage platform, a combined driving mechanism, a mounting mechanism and a laser sensor; a storage table is arranged on the working platform and is used for placing objects to be detected; a combined driving mechanism is arranged beside the storage table and drives the mounting mechanism to move in the X direction, the Y direction and the Z direction; the mounting mechanism is provided with a laser sensor; the mounting mechanism includes: the device comprises a sliding seat, a first hinging seat, a second hinging seat, a first rotation limiting mechanism and a second rotation limiting mechanism, wherein the sliding seat is provided with an output end of a combined driving mechanism, the sliding seat is provided with the first hinging seat, the first hinging seat can rotate in the X direction relative to the sliding seat, the first hinging seat is provided with the second hinging seat which can rotate, the second hinging seat can rotate in the Z direction relative to the first hinging seat, and the second hinging seat is provided with a laser sensor; the first hinge seat is hinged with the sliding seat and provided with a first rotation limiting mechanism, the second hinge seat is hinged with the first hinge seat and provided with a second rotation limiting mechanism, and the top of the second hinge seat is provided with horizontal bubbles.
Preferably, the mounting frame is arranged beside the storage table, the pressing mechanism is arranged on the mounting frame and used for pressing the articles to be detected placed on the storage table.
Preferably, the pressing mechanism includes: the lifting driving assembly is arranged on the mounting frame, the output end of the lifting driving assembly is fixed to the lower pressing seat, and the lower pressing head is fixed to the bottom surface of the lower pressing seat.
Preferably, the first rotation limiting mechanism and the second rotation limiting mechanism each include: the device comprises an adjusting rod, a positioning gear, a positioning toothed ring and a retaining spring, wherein the adjusting rod is parallel to a rotating shaft center surrounded by a sliding seat or a first hinging seat, the adjusting rod cannot rotate relative to the first hinging seat or a second hinging seat, the positioning gear is fixed on the adjusting rod, the positioning toothed ring is fixed on the first hinging seat or the second hinging seat, the retaining spring is arranged between the adjusting rod and the sliding seat or the first hinging seat, and the retaining spring is used for retaining the positioning gear to be meshed with the positioning toothed ring.
Preferably, the rotation of the first hinge seat relative to the sliding seat is parallel to the X direction around the axis, the rotation of the second hinge seat relative to the first hinge seat is perpendicular to the X direction around the axis, and the rotation of the second hinge seat relative to the first hinge seat is biased to the Z direction around the axis.
Preferably, the second hinge seat is located below the sliding seat, and the first hinge seat is arranged between the second hinge seat and the sliding seat, and the first hinge seat and the sliding seat do not block the second hinge seat from installing air bubbles.
Preferably, scale marks are arranged on the end face of the adjusting rod.
Compared with the prior art, the utility model has the following beneficial effects:
through setting up among the installation mechanism first articulated seat can relative sliding seat rotation, the second articulated seat can relative first articulated seat rotation, realized adjusting first limit and change the rotatory certain angle of mechanism and second limit to change the mechanism and come to adjust first articulated seat relative sliding seat, the rotatory certain angle of second articulated seat relative first articulated seat, first limit changes the effect that mechanism and second limit change the mechanism to have the location, thereby make the second articulated seat that laser sensor is located can be located the horizontal direction, because laser sensor fixed mounting is on the second articulated seat, consequently, can guarantee that laser sensor's laser emission direction is located vertical orientation, guarantee the accuracy of detection.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic structural diagram of a displacement measuring device of a universal testing machine based on laser ranging.
Fig. 2 is an enlarged view of the mounting mechanism, laser sensor, and depressing mechanism of fig. 1.
Fig. 3 is a cross-sectional view of the first hinge base and the slide base.
Fig. 4 is a cross-sectional view of the second hinge base and the first hinge base.
Reference numerals: the working platform 1, the storage platform 2, the combined driving mechanism 3, the mounting mechanism 4, the sliding seat 41, the mounting seat body 411, the seat cover 412, the first hinge seat 42, the second hinge seat 43, the first rotation limiting mechanism 45, the adjusting lever 451, the positioning gear 452, the positioning toothed ring 453, the holding spring 454, the second rotation limiting mechanism 46, the laser sensor 5, the mounting frame 6, the pressing mechanism 7, the pressing seat 71 and the pressing head 72.
Description of the embodiments
The utility model will be further described with reference to the drawings and detailed description in order to make the technical means, the creation characteristics, the achievement of the objects and the functions of the utility model more clear and easy to understand.
As shown in fig. 1 to 4, the utility model discloses a displacement measuring device of a universal testing machine based on laser ranging, comprising: a working platform 1, a storage platform 2, a combined driving mechanism 3, a mounting mechanism 4 and a laser sensor 5; a storage table 2 is arranged on the working platform 1, and the storage table 2 is used for placing objects to be detected; a combined driving mechanism 3 is arranged beside the storage table 2, and the combined driving mechanism 3 drives an installation mechanism 4 to move in the X direction, the Y direction and the Z direction; the mounting mechanism 4 is mounted with a laser sensor 5; the mounting mechanism 4 includes: the sliding seat 41, the first hinging seat 42, the second hinging seat 43, the first rotation limiting mechanism 45 and the second rotation limiting mechanism 46, wherein the sliding seat 41 is provided with an output end of the combined driving mechanism 3, the sliding seat 41 is provided with the first hinging seat 42, the first hinging seat 42 can rotate in the X direction relative to the sliding seat 41, the first hinging seat 42 is provided with the second hinging seat 43 which can rotate, the second hinging seat 43 can rotate in the Z direction relative to the first hinging seat 42, and the second hinging seat 43 is provided with the laser sensor 5; the first hinge seat 42 is provided with a first rotation limiting mechanism 45 at the hinge position of the sliding seat 41, the second hinge seat 43 is provided with a second rotation limiting mechanism 46 at the hinge position of the first hinge seat 42, and the top of the second hinge seat 43 is provided with horizontal bubbles.
The combination driving mechanism 3 includes: the device comprises a table top guide rail, a Z-direction driving assembly, a sliding frame, a Y-direction driving assembly, a lifting guide rail and an X-direction driving assembly, wherein the table top guide rail is arranged on a working platform 1, the table top guide rail is arranged in the Z direction, a movable sliding frame is arranged on the table top guide rail, the lifting guide rail capable of moving in the Y direction is arranged on the sliding frame, the Y-direction driving assembly is arranged on the sliding frame, a sliding seat 41 capable of moving in the X direction is arranged on the lifting guide rail, the sliding seat 41 is fixed to the X-direction driving assembly, the X-direction driving assembly drives the sliding seat 41 and the laser sensor 5 to move, so that the laser sensor 5 can be aligned with an object to be detected on a storage table 2, and laser emitted by the laser sensor 5 can sweep the surface of the object to be detected during detection, and the flatness of the surface of the object to be detected is judged by judging the distances of a plurality of positions according to the detection of the distances of the positions on the surface of the object to be detected.
The mounting frame 6 is arranged beside the storage table 2, the pressing mechanism 7 is arranged on the mounting frame 6, and the pressing mechanism 7 is used for pressing the articles to be detected placed on the storage table 2. The object to be detected is ensured to be stably positioned on the storage table 2, and inaccurate detection results caused by random movement of the object to be detected in the detection process are avoided.
The pressing mechanism 7 includes: the lifting driving assembly is mounted on the mounting frame 6, the output end of the lifting driving assembly is fixed to the pressing seat 71, and the pressing head 72 is fixed to the bottom surface of the pressing seat 71. The lower pressing head 72 is driven by the lifting driving assembly to lift, so that the lower pressing head 72 is used for pressing the object to be detected on the storage table 2.
The first rotation limiting mechanism 45 and the second rotation limiting mechanism 46 each include: the adjusting rod 451, the positioning gear 452, the positioning toothed ring 453 and the retaining spring 454 are parallel to the rotation axis around which the sliding seat 41 or the first hinging seat 42 is arranged, the adjusting rod 451 can not rotate relative to the first hinging seat 42 or the second hinging seat 43, the positioning gear 452 is fixed on the adjusting rod 451, the positioning toothed ring 453 is fixed on the adjusting rod 451 and the first hinging seat 42 or the second hinging seat 43, the retaining spring 454 is arranged between the adjusting rod 451 and the sliding seat 41 or the first hinging seat 42, and the retaining spring 454 is used for retaining the positioning gear 452 to be meshed with the positioning toothed ring 453. The adjusting rod 451 is of a cuboid structure, the adjusting rod 451 cannot rotate relative to the sliding seat 41 or the first hinging seat 42 where the adjusting rod 451 is located, but the adjusting rod 451 can move relative to the sliding seat 41 or the first hinging seat 42 where the adjusting rod 451 is located, and the adjusting square rod is pulled to enable the retaining spring 454 to be compressed, and the positioning gear 452 is separated from the positioning toothed ring 453, so that the adjusting rod can allow: the first hinge seat 42 rotates with respect to the sliding seat 41, or the second hinge seat 43 rotates with respect to the first hinge seat 42.
The slide mount 41 includes: the installation seat body 411 and the seat cover 412, the first hinging seat 42 is hinged in the installation seat body 411, the first hinging seat 42 is provided with the fixed positioning toothed ring 453, the seat cover 412 is buckled on the installation seat body 411, and the positioning gear 452 and the retaining spring 454 are positioned inside after the seat cover 412 is buckled, so that the position of the first rotation limiting mechanism 45 can be positioned and installed after the seat cover 412 is buckled.
The rotation of the first hinge seat 42 relative to the sliding seat 41 is parallel to the X direction around the axis, the rotation of the second hinge seat 43 relative to the first hinge seat 42 is perpendicular to the X direction around the axis, and the rotation of the second hinge seat 43 relative to the first hinge seat 42 is biased towards the Z direction around the axis.
The second hinge seat 43 is located below the sliding seat 41, the first hinge seat 42 is arranged between the second hinge seat 43 and the sliding seat 41, and the first hinge seat 42 and the sliding seat 41 do not block the installation bubble position of the second hinge seat 43.
The end face of the adjusting lever 451 is provided with scale marks. A positioning mark is arranged beside the adjusting rod 451, and is matched with the scale mark, so that the angle adjusted by the adjusting rod 451 can be conveniently checked, and an operator can conveniently adjust the angle in place.
The bottom surface of the first hinge seat 42 is provided with enough space for the second hinge seat 43 to rotate.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (7)
1. Universal testing machine displacement measuring device based on laser rangefinder, its characterized in that includes: a working platform (1), a storage table (2), a combined driving mechanism (3), a mounting mechanism (4) and a laser sensor (5);
a storage table (2) is arranged on the working platform (1), and the storage table (2) is used for placing articles to be detected; a combined driving mechanism (3) is arranged beside the storage table (2), and the combined driving mechanism (3) drives the mounting mechanism (4) to move in the X direction, the Y direction and the Z direction; the mounting mechanism (4) is provided with a laser sensor (5);
the mounting mechanism (4) comprises: the device comprises a sliding seat (41), a first hinging seat (42), a second hinging seat (43), a first rotation limiting mechanism (45) and a second rotation limiting mechanism (46), wherein the sliding seat (41) is provided with an output end of a combined driving mechanism (3), the sliding seat (41) is provided with the first hinging seat (42), the first hinging seat (42) can rotate in the X direction relative to the sliding seat (41), the first hinging seat (42) is provided with a second hinging seat (43) which can rotate, the second hinging seat (43) can rotate in the Z direction relative to the first hinging seat (42), and the second hinging seat (43) is provided with a laser sensor (5);
the hinge joint of the first hinge seat (42) and the sliding seat (41) is provided with a first rotation limiting mechanism (45), the hinge joint of the second hinge seat (43) and the first hinge seat (42) is provided with a second rotation limiting mechanism (46), and the top of the second hinge seat (43) is provided with horizontal bubbles.
2. The displacement measuring device of the universal testing machine based on laser ranging according to claim 1, wherein a mounting frame (6) is installed beside the storage table (2), a pressing mechanism (7) is installed on the mounting frame (6), and the pressing mechanism (7) is used for pressing placed objects to be detected on the storage table (2).
3. The universal tester displacement measuring device based on laser ranging according to claim 2, wherein the pressing mechanism (7) comprises: the lifting driving assembly is arranged on the mounting frame (6), the output end of the lifting driving assembly is fixed to the pressing seat (71), and the pressing head (72) is fixed to the bottom surface of the pressing seat (71).
4. A laser ranging-based displacement measuring device of a universal testing machine as claimed in any one of claims 1 to 3, wherein the first rotation limiting mechanism (45) and the second rotation limiting mechanism (46) each comprise: adjusting rod (451), positioning gear (452), location ring gear (453) and retaining spring (454), adjust the rotation axle center parallel around pole (451) and place sliding seat (41) or first articulated seat (42), adjust pole (451) and can not rotate relative place first articulated seat (42) or second articulated seat (43), adjust pole (451) and be fixed with positioning gear (452), be fixed with location ring gear (453) with place first articulated seat (42) or second articulated seat (43), install retaining spring (454) between adjusting pole (451) and place sliding seat (41) or first articulated seat (42), retaining spring (454) are used for keeping positioning gear (452) and location ring gear (453) meshing.
5. The displacement measuring device of the universal testing machine based on laser ranging according to claim 4, wherein the rotation of the first hinge base (42) relative to the sliding base (41) is parallel to the X direction around the axis, the rotation of the second hinge base (43) relative to the first hinge base (42) is perpendicular to the X direction around the axis, and the rotation of the second hinge base (43) relative to the first hinge base (42) is biased to the Z direction around the axis.
6. The displacement measuring device of the universal testing machine based on laser ranging according to claim 5, wherein the second hinge seat (43) is located below the sliding seat (41), the first hinge seat (42) is arranged between the second hinge seat (43) and the sliding seat (41), and the first hinge seat (42) and the sliding seat (41) do not block the position where the second hinge seat (43) is provided with bubbles.
7. The displacement measuring device of the universal testing machine based on laser ranging according to claim 6, wherein the end face of the adjusting rod (451) is provided with scale marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550883.8U CN220418360U (en) | 2023-03-20 | 2023-03-20 | Universal testing machine displacement type measuring device based on laser ranging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320550883.8U CN220418360U (en) | 2023-03-20 | 2023-03-20 | Universal testing machine displacement type measuring device based on laser ranging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220418360U true CN220418360U (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320550883.8U Active CN220418360U (en) | 2023-03-20 | 2023-03-20 | Universal testing machine displacement type measuring device based on laser ranging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220418360U (en) |
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2023
- 2023-03-20 CN CN202320550883.8U patent/CN220418360U/en active Active
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