CN209894151U - Range extender and measuring system - Google Patents
Range extender and measuring system Download PDFInfo
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- CN209894151U CN209894151U CN201920725563.5U CN201920725563U CN209894151U CN 209894151 U CN209894151 U CN 209894151U CN 201920725563 U CN201920725563 U CN 201920725563U CN 209894151 U CN209894151 U CN 209894151U
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- measuring machine
- range extender
- stand
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Abstract
The utility model discloses a range extender and measurement system, including the stand, the top fixedly connected with standard ball group of stand, the top of stand just is located the below of standard ball group is equipped with perpendicularly and to wind stand pivoted swinging boom, but is equipped with the perpendicular to on the swinging boom the gliding connector of direction of stand. The utility model also provides a measurement system of above-mentioned range expander, utilize a set of standard ball group, coordinate system fit unification in different places with portable three-coordinate measuring machine is in same coordinate system, portable three-coordinate measuring machine can directly unify under same coordinate system at the data that different measuring position recorded, realize portable three-coordinate measuring machine's range extension, portable three-coordinate measuring machine can utilize the rotation of swinging boom and the removal of the optional position of slip realization portable three-coordinate measuring machine along the swinging boom simultaneously, and is nimble convenient, the removal repeatedly of portable three-coordinate measuring machine complete machine has been reduced, and measurement efficiency improves by a wide margin.
Description
Technical Field
The utility model relates to a measure technical field, especially relate to a range extender and measurement system.
Background
In the development and trial-manufacturing process of automobiles, the sizes or coordinates of products and production lines thereof are generally measured and verified on site. The field measurement is generally completed by using a three-coordinate measuring machine, and when the portable three-coordinate measuring machine is used specifically, the portable three-coordinate measuring machine is widely adopted due to small purchase investment and portability and convenience in use, but the portable three-coordinate measuring machine has the defects of small measuring range and small measuring range.
In order to solve the above problems, in the prior art, the coordinate systems of the portable three-coordinate measuring machine at different measuring positions are fitted and unified under the same coordinate system by using the mutually fixed position relationship of two groups of standard balls, so that the measuring range of the portable three-coordinate measuring machine extends to any direction, thereby achieving the purpose of expanding the measuring range of the portable three-coordinate measuring machine.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a range extender for improving the measurement accuracy of a portable three-coordinate measuring machine after range extension and facilitating movement of the portable three-coordinate measuring machine. In addition, a measuring system using the range extender is also provided.
In order to achieve the above object, the utility model provides a range extender, which comprises a column, the top fixedly connected with standard ball group of stand, the top of stand just is located the below of standard ball group is equipped with perpendicularly and winds stand pivoted swinging boom, but be equipped with the perpendicular to on the swinging boom the gliding connector of direction of stand.
In the range extender, the standard ball group comprises a supporting plate fixedly connected with the top of the upright post and a plurality of standard balls arranged on the upper surface of the supporting plate, and the standard balls are uniformly arranged along the circumferential direction of the supporting plate.
In the range extender, the supporting plate is provided with a plurality of installation parts in a radial manner, and each installation part is provided with 1 standard ball.
In the range extender, the number of the mounting parts is 3, and the number of the standard balls is 3.
In the range extender, in order to realize the sliding connection between the measuring tool and the rotating arm, the upper surface of the rotating arm is provided with a guide rail extending along the length direction of the rotating arm, the bottom of the connector is provided with a guide rail groove in sliding fit with the guide rail, and the connector is slidably arranged on the guide rail. The portable three-coordinate measuring machine is arranged on the connector, and the connector drives the portable three-coordinate measuring machine to slide, so that the portable three-coordinate measuring machine moves on the rotating arm.
In the range extender, in order to realize that the connector can be conveniently and quickly fixed at any position on the guide rail, the side wall of the guide rail groove is provided with a first through hole, and a first bolt penetrates through the first through hole to tightly push against the side wall of the guide rail.
In the range extender, in order to realize the rotating connection of the rotating arm and the stand column, the top of the stand column is provided with a cylindrical step, the rotating arm is provided with a rotating ring matched with the step, and the rotating ring is sleeved outside the step.
In the range extender, in order to realize convenient and quick fixation of the rotating arm, the side wall of the rotating ring is provided with a second through hole, and a second bolt penetrates through the second through hole to jack the step tightly.
In the range extender, the bottom of the upright post is provided with the support frame.
The utility model also provides a measuring system, including portable three-coordinate measuring machine and foretell range expander, portable three-coordinate measuring machine install in on the connector.
Implement the utility model discloses a range expander and measurement system has following advantage for prior art:
1. the coordinate values of the standard ball groups measured by the portable three-coordinate measuring machine at different positions are respectively taken as a theoretical center coordinate value and an actual center coordinate value through a group of fixedly arranged standard ball groups, the actual center coordinate value and the theoretical center coordinate value are corresponding one by one and are fitted and unified through measuring software of the portable three-coordinate measuring machine, the coordinate systems of different positions of the portable three-coordinate measuring machine can be fitted and unified in the same coordinate system, data measured by the portable three-coordinate measuring machine at different measuring positions can be directly unified under the same coordinate system, the range extension of the portable three-coordinate measuring machine is realized, the measuring range of the portable three-coordinate measuring machine can be extended without carrying out coordinate splicing for many times in the measuring process, the operation is convenient, the measuring efficiency and the measuring precision can be greatly improved, the measuring cost is saved, and compared with a range extender adopting two groups of standard balls in the prior art, the position relation function between the two groups of standard ball groups and the measured position coordinates do not need to be subjected to transfer operation, the two groups of central coordinate values can be directly fitted and unified, the operation fitting times are reduced, the accumulation of measurement errors is reduced, and the effect of improving the measurement precision is achieved.
2. The utility model discloses a range expander rotates on the stand and sets up the swinging boom, and the swinging boom can be the rotation of 360 degrees horizontally around the stand, and portable three-coordinate measuring machine can slide along the swinging boom, can realize like this that portable three-coordinate measuring machine carries out X direction and Y direction removal on the plane that forms on the swinging boom, realizes the convenient quick removal in the measuring plane of portable three-coordinate measuring machine, improves measuring efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the range extender of the present invention;
FIG. 2 is a schematic view of the exploded structure of the range extender of the present invention;
FIG. 3 is a schematic structural diagram of the coordinate system fitting unification of the range extender of the present invention;
fig. 4 is a schematic structural diagram of a specific implementation method of the range extender of the present invention.
Wherein, 1, upright post; 2. a support plate; 3. a standard ball group; 31. a standard ball; 4. a rotating arm; 5. a guide rail; 6. a connector; 7. a first bolt; 71. a second bolt; 8. a portable three-coordinate measuring machine; 9. a workpiece; 10. a first measurement position; 11. a second measurement position; 12. A first workpiece region; 13. a second workpiece region.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1-4, the preferred embodiment of the present invention, a range extender, comprises a column 1, wherein the upper side of the column 1 is provided with a standard ball group 3, the number of the standard balls of the standard ball group 3 is not less than three, the column 1 is provided with a rotating arm 4 capable of rotating around the column 1, and a measuring tool is slidably disposed on the rotating arm 4. Wherein, the bottom of stand is equipped with the support frame, and the support frame includes that one end all is with the fixed three bracing piece of stand, and three bracing piece is the level and arranges, and the contained angle of two adjacent bracing pieces is 60 degrees.
In the embodiment, the measuring tool is a portable three-coordinate measuring machine 8, and the portable three-coordinate measuring machine 8 is slidably mounted on the rotating arm 4; the number of the standard balls 31 is three; when specifically measuring, adopt the utility model discloses a measurement principle of range expander is: as shown in fig. 4, before the measurement work is started, the portable three-coordinate measuring machine 8 is placed at the first measurement position 10, and the center coordinates of the three standard balls 31 are measured and stored as (x1, y1, z1) (x2, y2, z2) (x3, y3, z 3); moving the portable three-coordinate measuring machine 8 to a second measuring position 11, and measuring the sphere center coordinate positions of the three standard spheres 31 for the second time; the coordinate value measured by the portable three-coordinate measuring machine 8 at the first measuring position 10 is used as a theoretical central coordinate value, the coordinate value measured by the portable three-coordinate measuring machine 8 at the second measuring position 11 is used as an actual central coordinate value, a coordinate system is established by adopting a fitting method, the actual central coordinate value and the theoretical central coordinate value are corresponding one by one and fitted and unified, and therefore the coordinate system of the portable three-coordinate measuring machine 8 at the second measuring position 11 is fitted and unified to the coordinate system of the portable three-coordinate measuring machine 8 at the first measuring position 10, and the range extension of the portable three-coordinate measuring machine 8 is realized. In fact, any coordinate measured by the portable coordinate measuring machine 8 at the second measuring position 11 can be directly mapped to the coordinate of the portable coordinate measuring machine 8 in the coordinate system at the first measuring position 10.
The actual central coordinate value of each standard ball 31 of the standard ball group 3 can be fitted and unified with the theoretical central coordinate value through the measurement software of the portable three-coordinate measuring machine, thus, the data measured by the portable three-coordinate measuring machine 8 at different measuring positions can be directly unified under the same coordinate system, the range expansion of the portable coordinate measuring machine 8 is realized, the coordinate splicing is not needed to be carried out for many times in the measuring process, the operation is convenient, the measuring efficiency and the measuring precision can be greatly improved, the measuring cost is saved, compared with the range extender adopting two groups of standard ball groups in the prior art, the range extender does not need to carry out transfer operation on the position relation function between the two groups of standard ball groups, the method can directly perform fitting unification of two groups of central coordinate values, reduces the times of operation fitting, reduces the accumulation of measurement errors, and has the effect of improving the measurement precision.
The range expander of this embodiment rotates on stand 1 and sets up swinging boom 4, during the concrete implementation, swinging boom 4 can be the rotation of 360 degrees around stand 1 horizontally, and portable three-coordinate measuring machine 8 can slide along swinging boom 4, can carry out X direction and Y direction removal on the plane that portable three-coordinate measuring machine 8 formed on swinging boom 4 like this, realize convenient quick removal in the measuring plane of portable three-coordinate measuring machine 8, improve measuring efficiency.
The specific connection relationship between the portable three-coordinate measuring machine 8 and the rotating arm 4 in this embodiment is as follows: as shown in fig. 2, the rotating arm 4 is a strip-shaped plate-shaped structure, the rotating arm 4 is provided with two guide rails 5 extending along the length direction of the rotating arm 4, the two guide rails 5 are parallel to each other, the guide rails 5 are fixed on the rotating arm 4 through bolts, the guide rails 5 are provided with connectors 6 connected with the portable three-coordinate measuring machine 8, each connector 6 comprises a bottom plate and a circular boss which are fixedly arranged with each other, the bottom of the bottom plate is provided with a guide rail groove in sliding fit with the guide rail, and the side wall of each circular boss is provided with external threads for being in threaded connection with the portable three-coordinate measuring machine 8; the bottom plate is the cuboid board, processing has the perpendicular screw hole with the extending direction of guide rail 5 on the lateral wall of the guide rail groove on the bottom plate, the downthehole installation of screw passes the lateral wall in guide rail groove and extends to the guide rail inslot and to end first bolt 7 of guide rail 5, first bolt 7 is demountable installation in the screw hole, when needs remove connector 6, the fixed action of first bolt 7 is relieved to anticlockwise rotation first bolt 7, connector 6 just can slide along guide rail 5, the realization removes the purpose of portable three coordinate measuring machine 8.
In this embodiment, the fixed layer board 2 that is provided with in stand 1's top, layer board 2 are triangle-shaped or polygon panel, and the layer board is equipped with a plurality of installation departments with launching, installs 1 standard ball 31 on every installation department respectively, and layer board 2 passes through the bolt fastening at stand 1's top, and the installation department includes the round hole of reserving on layer board 2, and standard ball 31 passes through welding or viscose to be fixed in the round hole.
In the embodiment, a gap is formed between any two standard balls, so that the relative positions of the standard balls in the same standard ball group are more random, and the fitting uniformity precision of a coordinate system is improved.
In this embodiment, the radii of the standard balls are all the same, which is convenient for measurement of the center coordinates of the standard balls and processing and use of the standard balls.
In this embodiment, when the number of the standard balls 31 in each group of the standard ball groups 3 is greater than three, three or less standard balls in each group of the standard ball groups 3 are selected for coordinate measurement during measurement. Therefore, fitting unification of the coordinate system of the portable three-coordinate measuring machine 8 at different measuring positions can be realized, measuring time and coordinate system fitting unification time can be reduced, and measuring efficiency is improved.
In this embodiment, the top of stand 1 is equipped with cylindric step, be equipped with on the swinging boom 4 with step matched with rotatory ring, rotatory ring sleeve is located the outside of step, be equipped with the second through-hole on the lateral wall of rotatory ring, it is concrete, install second bolt 71 in the second through-hole, and second bolt 71 passes the tight step in second through-hole top, second bolt 71 is demountable installation in the screwed hole, when needs rotate swinging boom 4, anticlockwise rotation second bolt 71 removes the fixed action of second bolt 71, swinging boom 4 just can rotate around stand 1, rotate portable three-coordinate measuring machine 8 on swinging boom 4 to suitable measuring position simultaneously, realize removing portable three-coordinate measuring machine 8's purpose.
The portable coordinate measuring machine 8 of this embodiment is portable coordinate measuring machine because portable coordinate measuring machine's structure is small and exquisite, and purchase cost and cost of maintenance are lower relatively, and convenient to carry can convenient installation on the connector, and the removal and the convenient removal of pivoted in-process at the connector satisfy field measurement's requirement.
The working principle is as follows: as shown in fig. 3-4, when a first workpiece area 12 and a second workpiece area 13 of a workpiece 9 need to be measured, a connector 6 is installed on a rotating arm 4 of a range extender, a portable three-coordinate measuring machine 8 is installed on the connector 6, the connector 6 is moved to enable the portable three-coordinate measuring machine 8 to be located at a first measuring position 10, and meanwhile, a measuring needle of the portable three-coordinate measuring machine 8 is located in the first workpiece area 12 for measurement; when the second workpiece area 13 needs to be measured, the fixing action of the first bolt 7 and the second bolt 71 is respectively released, the rotating arm 4 is rotated, the connector 6 is moved, the portable three-coordinate measuring machine 8 is positioned at the second measuring position 11, and the measuring needle of the portable three-coordinate measuring machine 8 is positioned in the second workpiece area 13 for measurement.
Furthermore, the utility model provides a measurement system, including portable three-coordinate measuring machine and foretell range expander, portable three-coordinate measuring machine install in on the connector.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a range extender, its characterized in that, includes the stand, stand fixedly connected with standard ball group, the stand is located the below of standard ball group is equipped with perpendicularly and winds stand pivoted swinging boom, be equipped with on the swinging boom and follow the perpendicular to the gliding connector of direction of stand.
2. The range extender of claim 1, wherein the standard ball set comprises a support plate fixedly connected to the column and a plurality of standard balls disposed on an upper surface of the support plate, and the plurality of standard balls are uniformly arranged along a circumferential direction of the support plate.
3. The range extender of claim 2, wherein the support plate is radially provided with a plurality of mounting portions, each mounting portion having 1 standard ball mounted thereon.
4. The range extender of claim 3, wherein the number of said mounting portions is 3 and the number of said standard balls is 3.
5. The range extender of claim 1, wherein the top surface of the pivot arm defines a track extending along the length of the pivot arm, and the bottom of the connector defines a track groove that slidably engages the track, the connector being slidably disposed on the track.
6. The range extender of claim 5, wherein the side wall of the guide rail groove is provided with a first through hole, and a first bolt is inserted through the first through hole to tightly abut against the side wall of the guide rail.
7. The range extender of any of claims 1-6, wherein the column has a cylindrical step, and the rotating arm has a rotating ring that engages with the step, and the rotating ring is disposed outside the step.
8. The range extender of claim 7, wherein a second through hole is formed in a sidewall of the rotating ring, and a second bolt is inserted through the second through hole to tightly abut against the step.
9. The range extender of any of claims 1-6, wherein a support is provided at the bottom of the column.
10. A measuring system comprising a portable three-coordinate measuring machine and the range extender of any one of claims 1-9, the portable three-coordinate measuring machine being mounted on the connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920725563.5U CN209894151U (en) | 2019-05-20 | 2019-05-20 | Range extender and measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920725563.5U CN209894151U (en) | 2019-05-20 | 2019-05-20 | Range extender and measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209894151U true CN209894151U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920725563.5U Active CN209894151U (en) | 2019-05-20 | 2019-05-20 | Range extender and measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209894151U (en) |
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2019
- 2019-05-20 CN CN201920725563.5U patent/CN209894151U/en active Active
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