CN111121694B - Three-coordinate measuring fixture and measuring method - Google Patents
Three-coordinate measuring fixture and measuring method Download PDFInfo
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- CN111121694B CN111121694B CN201911393148.5A CN201911393148A CN111121694B CN 111121694 B CN111121694 B CN 111121694B CN 201911393148 A CN201911393148 A CN 201911393148A CN 111121694 B CN111121694 B CN 111121694B
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- 238000000034 method Methods 0.000 title claims description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/047—Accessories, e.g. for positioning, for tool-setting, for measuring probes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a three-coordinate measuring clamp which comprises a base, a workbench, a frame body, a measuring machine, a sliding mechanism, an adjusting mechanism, a positioning mechanism and a pressing mechanism, wherein the workbench is arranged on the base, the adjusting mechanism is in sliding connection with the frame body through the sliding mechanism, the adjusting mechanism comprises an adjusting cylinder, a ball screw, a moving assembly, a spring and a supporting frame, the moving assembly comprises a moving shell, a first gear, a second gear and a driving motor, the spring is arranged at the lower part of the moving assembly and sleeved outside the ball screw, the lower end of the spring is connected with the pressing mechanism, and the positioning mechanism comprises a first positioning mechanism and a second positioning mechanism which are oppositely arranged. The invention aims to provide a three-coordinate measuring clamp, which can realize quick positioning and alignment of workpieces before detection, ensure accurate and real detection results, realize quick up-down of batch products, directly run a detection program for measurement without alignment, and greatly improve efficiency.
Description
Technical Field
The invention relates to the technical field of fixtures, in particular to a three-coordinate measuring fixture and a measuring method.
Background
Three-coordinate measurement is widely used in various departments such as machinery manufacturing industry, automobile industry, electronic industry, aerospace industry, national defense industry and the like, plays an important role in product development and detection, and becomes an indispensable measuring device for modern industrial measurement and quality control. Three-dimensional measurements also cover mechanical parts and electronic components and various form and position tolerances in principle within the scope of application. In the reverse development process of the product, the three-coordinate measurement can enable scientific researchers to quickly obtain the coordinate parameters of the reference product, and data support is provided for reverse development. In the product detection, three-coordinate measurement can enable a researcher to obtain whether the produced product is the same as the design and whether the produced product is within an error allowable range. The three-coordinate measurement is used for detecting whether the machining of the part meets the drawing size requirement, and each position to be detected needs to be measured in a no-ratio and accurate mode, but often, due to the fact that the workpiece is placed in an irregular mode and is not uniform, deviation of a detection result is caused, and therefore a clamp for realizing rapid positioning of the part before detection is needed. The existing three-coordinate clamp is low in clamping speed, and accurate positioning of a workpiece cannot be well achieved, so that measurement is not accurate enough.
Disclosure of Invention
Aiming at the problems, the invention aims to provide the three-coordinate measuring clamp and the three-coordinate measuring method, which can realize quick positioning and alignment of workpieces before detection, can realize quick up and down of batch products, do not need alignment, directly run a detection program for measurement, and greatly improve the efficiency.
The three-coordinate measuring clamp comprises a base, a workbench, a frame body, a measuring machine, a sliding mechanism, an adjusting mechanism, a positioning mechanism and a pressing mechanism, wherein the workbench is arranged on the base, the adjusting mechanism is in sliding connection with the frame body through the sliding mechanism, the adjusting mechanism comprises an adjusting cylinder, a ball screw, a moving assembly, a spring and a supporting frame, the ball screw is fixedly connected with the supporting frame, the moving assembly comprises a moving shell, a first gear, a second gear and a driving motor, the moving shell is rotatably provided with a power input shaft, one end of the power input shaft extends out of the moving shell and is connected with the driving motor, the other end of the power input shaft is fixedly connected with a first gear, the second gear is meshed with the first gear, a ball screw nut matched with the second gear is rotatably arranged in the moving shell, the spring is positioned on the outer side of the ball screw in a sleeved mode, the lower end of the spring is connected with the pressing mechanism, the positioning mechanism comprises a positioning mechanism, a first positioning connecting rod, a second positioning mechanism and a plurality of positioning connecting rods are arranged on the cylinder, the cylinder supporting assembly is arranged on the cylinder supporting assembly, the cylinder supporting assembly comprises a positioning seat, and a cylindrical clamping assembly is arranged on the cylinder supporting assembly, and the cylinder supporting assembly is connected with the cylinder supporting assembly.
Further, the frame body includes two fixed blocks of being connected with the base, sets up the dead lever in the dead lever both sides and sets up the fixing base at the dead lever top, fixing base and dead lever fixed connection.
Further, the sliding mechanism comprises a sliding rail and a sliding block, the sliding rail is fixedly arranged on the fixing seat, the sliding block is arranged on one side, close to the frame body, of the adjusting mechanism, and the sliding block is in sliding connection with the sliding rail.
Further, the compressing mechanism comprises a compressing block and a connecting block, wherein the connecting block is fixedly connected with the bottom end of the spring, and the compressing block is fixedly connected with the connecting block.
Further, the first mounting plate is L-shaped and is fixedly connected with the workbench.
Further, the second mounting plate comprises a long side part and a short side part, wherein the short side part is arranged in parallel with the workbench and is fixed on the upper surface of the workbench, and an included angle is formed between the long side part and the workbench.
Further, a plurality of supporting components are fixedly connected with the first mounting plate and the second mounting plate and are positioned between a plurality of positioning components.
Further, limit screws are arranged between the sliding rails, and the number of the limit screws is two.
In order to achieve the above object, according to a second aspect of the present invention, there is also provided a three-coordinate measuring jig measuring method, employing the three-coordinate measuring jig as described above, comprising the steps of:
Before measurement, clamping a part to be measured on a first positioning mechanism and a second positioning mechanism on a workbench, fixing according to clamping requirements, firstly placing the part to be measured on a supporting component, primarily supporting and fixing the part to be measured through a bolt, and then driving a chuck to clamp the part to be measured through a connecting rod by a clamping cylinder;
S2, adjusting the position of the adjusting mechanism through the sliding mechanism, enabling the spring to compress through downward movement of the moving assembly, further driving the connecting block and the compressing block to move downward, compressing a workpiece fixed on the workbench, and completing rapid fastening;
s3, starting a measuring machine, calling a set measuring program in the measuring machine, and executing a measuring action until the measurement of the first type of parts to be measured is completed;
S4, according to the steps, the rapid switching is carried out to continuously measure other parts to be measured.
The invention has the advantages that:
The invention aims to provide a three-coordinate measuring clamp, which is characterized in that a base, a workbench, a machine frame body, a measuring machine, a sliding mechanism, an adjusting mechanism, a positioning mechanism and a compressing mechanism are arranged, the spring is exerted with acting force through lifting of a moving assembly, so that the compressing mechanism fixedly connected with the spring compresses a workpiece, specifically, the moving assembly moves downwards to compress the spring, further, a connecting block and a compressing block are driven to move downwards to compress the workpiece fixed on the workbench, when the moving assembly moves upwards to extend the spring, further, the connecting block and the compressing block are driven to move upwards to release the workpiece fixed on the workbench.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the adjusting mechanism of the present invention.
Fig. 3 is a schematic structural view of a first positioning mechanism according to the present invention.
Fig. 4 is a schematic structural view of a second positioning mechanism according to the present invention.
Fig. 5 is a schematic structural view of the support assembly of the present invention.
Wherein:
1. The device comprises a base, a workbench, 3, a fixed block, 4, a fixed rod, 5, a fixed seat, 6, a sliding rail, 7, an adjusting mechanism, 71, an adjusting cylinder, 72, a ball screw, 73, a spring, 74, a supporting frame, 75, a movable housing, 76, a driving motor, 77, a first gear, 78, a second gear, 8, a pressing block, 9, a connecting block, 10, a first positioning mechanism, 101, a first mounting plate, 102, a clamping cylinder, 103, a supporting component, 1031, a supporting seat, 1032, a bolt, 104, a connecting rod, 105, a chuck, 11, a second positioning mechanism, 111, a second mounting plate, 1111, a short side part, 1112, a long side part and 12, and a limiting screw;
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The three-coordinate measuring clamp shown in fig. 1 comprises a base 1, a workbench 2, a frame body, a measuring machine, a sliding mechanism, an adjusting mechanism 7, a positioning mechanism and a pressing mechanism, wherein the workbench 2 is arranged on the base 1, and the adjusting mechanism 7 is in sliding connection with the frame body through the sliding mechanism.
The frame body includes two fixed blocks 3 that are connected with base 1, sets up dead lever 4 and the fixing base 5 of setting at dead lever 4 top at the dead lever 3 both sides, fixing base 5 and dead lever 4 fixed connection.
The sliding mechanism comprises a sliding rail 6 and a sliding block, the sliding rail 6 is fixedly arranged on the fixed seat 5, the sliding block is arranged on one side, close to the frame body, of the adjusting mechanism 7, and the sliding block is in sliding connection with the sliding rail 6.
As shown in fig. 2, the adjusting mechanism 7 includes an adjusting cylinder 71, a ball screw 72, a moving assembly, a spring 73 and a supporting frame 74, the ball screw 72 is fixedly connected with the supporting frame 74, the moving assembly includes a moving housing 75, a first gear 77, a second gear 78 and a driving motor 76, the moving housing 75 is rotatably mounted with a power input shaft, one end of the power input shaft extends out of the moving housing 75 and is connected with the driving motor 76, the other end of the power input shaft is fixedly connected with the first gear 77, the second gear 78 is meshed with the first gear 77, a ball screw 72 nut matched with the second gear 78 is rotatably mounted in the moving housing 75, the ball screw 72 matched with the ball screw 72 nut is rotatably mounted in the moving housing 75, the power input shaft is driven by the driving motor 76, so that the first gear 77 is rotated by the rotation of the power input shaft, the second gear 78 is rotated, the ball screw 72 nut is rotated, and the ball screw 72 nut is axially displaced at the same time, and the lifting motion is completed.
The spring 73 is located the movable assembly lower part cover and establishes in the ball 72 outside, hold-down mechanism is connected to spring 73 lower extreme, hold-down mechanism includes compact heap 8 and connecting block 9, connecting block 9 and spring 73 bottom fixed connection, compact heap 8 and connecting block 9 fixed connection.
The lifting of the moving component applies acting force to the spring 73, so that the compressing mechanism fixedly connected with the spring 73 compresses a workpiece, specifically, the moving component moves downwards to compress the spring 73 and then drive the connecting block 9 and the compressing block 8 to move downwards to compress the workpiece fixed on the workbench 2, and when the moving component moves upwards to extend the spring 73 and then drive the connecting block 9 and the compressing block 8 to move upwards to release the workpiece fixed on the workbench 2.
The positioning mechanism comprises a first positioning mechanism 10 and a second positioning mechanism 11 which are oppositely arranged, the first positioning mechanism 10 comprises a first mounting plate 101 and a positioning assembly, and the first mounting plate 101 is L-shaped and fixedly connected with the workbench 2.
The second positioning mechanism 11 includes a second mounting plate 111 and a positioning assembly, the second mounting plate 111 includes a long side portion 1112 and a short side portion 1111, the short side portion 1111 is disposed parallel to the workbench 2 and is fixed on the upper surface of the workbench 2, the long side portion 1112 has an included angle with the workbench 2, the included angle close to one side of the first positioning mechanism 10 is 100-130 °, in this embodiment, the included angle between the long side portion 1112 and the short side portion 1111 is 110 °, so as to better adapt to the shape of the workpiece, and perform positioning and clamping on the workpiece.
The positioning assembly comprises a clamping cylinder 102, a chuck 105 and a connecting rod 104, wherein the clamping cylinder 102 is in transmission connection with the chuck 105 through the connecting rod 104.
The part to be tested is positioned by the first positioning mechanism 10 and the second positioning mechanism 11, and the clamping head 105 is driven by the clamping cylinder 102 through the connecting rod 104 to clamp the part to be tested.
The first mounting plate 101 and the second mounting plate 111 are provided with a plurality of supporting components 103, the supporting components 103 comprise a cylindrical supporting seat 1031 and a bolt 1032 which penetrates through the supporting seat 1031 and is arranged in an adjustable mode, the supporting seat 1031 is of a step-shaped structure which is coaxially arranged, and each table top is a conical surface.
A plurality of support assemblies 103 are fixedly connected with the first mounting plate 101 and the second mounting plate 111 and are positioned between a plurality of positioning assemblies.
In this embodiment, two limit screws 12 are disposed between the slide rails 6, and the number of the limit screws 12 is two.
All the driving parts (referred to as power elements), the electric parts and the adaptive power supply are connected through wires, and specific connection means should be referred to the following working principles, in which the electric connection is completed by sequential working sequences among the electric parts, and the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electrical control.
In order to achieve the above object, according to a second aspect of the present invention, there is also provided a three-coordinate measuring jig measuring method, employing the three-coordinate measuring jig as described above, comprising the steps of:
Before measurement, clamping a part to be measured on a first positioning mechanism and a second positioning mechanism on a workbench, fixing according to clamping requirements, firstly placing the part to be measured on a supporting component, primarily supporting and fixing the part to be measured through a bolt, and then driving a chuck to clamp the part to be measured through a connecting rod by a clamping cylinder;
S2, adjusting the position of the adjusting mechanism through the sliding mechanism, enabling the spring to compress through downward movement of the moving assembly, further driving the connecting block and the compressing block to move downward, compressing a workpiece fixed on the workbench, and completing rapid fastening;
s3, starting a measuring machine, calling a set measuring program in the measuring machine, and executing a measuring action until the measurement of the first type of parts to be measured is completed;
S4, according to the steps, the rapid switching is carried out to continuously measure other parts to be measured.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present invention.
Claims (9)
1. The utility model provides a three-dimensional measurement anchor clamps, its characterized in that includes base, workstation, frame body, measuring machine, slide mechanism, adjustment mechanism, positioning mechanism and hold-down mechanism, the workstation sets up on the base, adjustment mechanism passes through slide mechanism and frame body sliding connection, adjustment mechanism includes adjustment cylinder, ball, moving assembly, spring and support frame, ball and support frame fixed connection, moving assembly includes moving shell, first gear, second gear and driving motor, moving shell rotatably installs the power input shaft, and the outside that the one end of power input shaft stretches out moving shell and is connected with driving motor, the other end fixedly connected with first gear of power input shaft, second gear and first gear engagement, rotationally install with second gear complex ball nut in moving shell, rotationally install in moving shell with ball nut complex ball, the spring is located moving assembly lower part cover and establishes in the ball outside, compressing mechanism is connected to the spring lower extreme, positioning mechanism includes relative setting first positioning mechanism and second positioning mechanism, first positioning mechanism and a plurality of cylinder and a plurality of positioning cylinder and mounting bracket, a plurality of positioning cylinder and mounting panel, cylinder and mounting panel are equipped with each other.
2. The three-dimensional measuring fixture of claim 1, wherein the frame body comprises two fixing blocks connected with the base, fixing rods arranged on two sides of the fixing blocks and fixing seats arranged on the tops of the fixing rods, and the fixing seats are fixedly connected with the fixing rods.
3. The three-dimensional measuring fixture of claim 1, wherein the sliding mechanism comprises a sliding rail and a sliding block, the sliding rail is fixedly arranged on the fixed seat, the sliding block is arranged on one side of the adjusting mechanism, which is close to the frame body, and the sliding block is in sliding connection with the sliding rail.
4. The three-dimensional measuring fixture of claim 1, wherein the compressing mechanism comprises a compressing block and a connecting block, the connecting block is fixedly connected with the bottom end of the spring, and the compressing block is fixedly connected with the connecting block.
5. The three-dimensional measuring jig of claim 1, wherein the first mounting plate is "L" shaped and fixedly connected to the table.
6. The three-dimensional measuring jig according to claim 1, wherein the second mounting plate comprises a long side portion and a short side portion, the short side portion being disposed parallel to the table and fixed to the upper surface of the table, the long side portion being at an angle to the table.
7. The three-dimensional measuring jig of claim 1, wherein a plurality of said support members are fixedly connected to the first mounting plate and the second mounting plate and are positioned between a plurality of said positioning members.
8. A three-dimensional measuring jig according to claim 3, wherein two limit screws are provided between the slide rails.
9. A three-coordinate measuring jig measuring method, characterized in that the three-coordinate measuring jig according to any one of claims 1 to 8 is used, comprising the steps of:
Before measurement, clamping a part to be measured on a first positioning mechanism and a second positioning mechanism on a workbench, fixing according to clamping requirements, firstly placing the part to be measured on a supporting component, primarily supporting and fixing the part to be measured through a bolt, and then driving a chuck to clamp the part to be measured through a connecting rod by a clamping cylinder;
S2, adjusting the position of the adjusting mechanism through the sliding mechanism, enabling the spring to compress through downward movement of the moving assembly, further driving the connecting block and the compressing block to move downward, compressing the part to be tested fixed on the workbench, and completing rapid fastening;
s3, starting a measuring machine, calling a set measuring program in the measuring machine, and executing a measuring action until the measurement of the first type of parts to be measured is completed;
S4, according to the steps, the rapid switching is carried out to continuously measure other parts to be measured.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911393148.5A CN111121694B (en) | 2019-12-30 | 2019-12-30 | Three-coordinate measuring fixture and measuring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911393148.5A CN111121694B (en) | 2019-12-30 | 2019-12-30 | Three-coordinate measuring fixture and measuring method |
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| CN111121694A CN111121694A (en) | 2020-05-08 |
| CN111121694B true CN111121694B (en) | 2025-03-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112547839A (en) * | 2020-11-18 | 2021-03-26 | 中机试验装备股份有限公司 | Double-screw loading horizontal movement measuring mechanism |
| CN112762834B (en) * | 2021-01-11 | 2024-01-12 | 天津大学 | Multifunctional on-line detection equipment |
| CN113566679A (en) * | 2021-07-21 | 2021-10-29 | 华天科技（西安）有限公司 | Device for measuring frame warpage |
| CN115194516A (en) * | 2022-08-18 | 2022-10-18 | 上海中车瑞伯德智能系统股份有限公司 | Device and method for automatically adjusting posture of large part |
| CN116124037A (en) * | 2023-01-04 | 2023-05-16 | 一汽解放汽车有限公司 | Piston ring cutting edge perpendicularity detection device and detection method thereof |
| CN119642763B (en) * | 2024-12-12 | 2025-09-23 | 海克斯康制造智能技术(深圳)有限公司 | Three-coordinate measuring machine capable of processing soft materials |
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| CN211904080U (en) * | 2019-12-30 | 2020-11-10 | 天津市博源机械制造有限公司 | A three-coordinate measuring fixture |
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| US5107599A (en) * | 1990-08-28 | 1992-04-28 | General Motors Corporation | Universal fixture for coordinate measuring machines |
| CN202074938U (en) * | 2011-01-24 | 2011-12-14 | 西安西罗航空部件有限公司 | Three-coordinate rapid measurement device for aircraft engine blade |
| CN204479047U (en) * | 2015-01-21 | 2015-07-15 | 奇瑞汽车股份有限公司 | A kind of positioning bogie fixture measures bracing or strutting arrangement |
| CN105547223B (en) * | 2015-12-11 | 2018-03-20 | 沪东重机有限公司 | A kind of connecting rod three-dimensional coordinates measurement positioning tool |
| CN106217126A (en) * | 2016-08-25 | 2016-12-14 | 天津市华天世纪机械有限公司 | A kind of keyway processing tool setting device |
| CN111226089A (en) * | 2017-10-23 | 2020-06-02 | 格里森计量系统股份有限公司 | Measuring toothed articles on a compound machine test platform using non-contact sensors |
| CN108917533B (en) * | 2018-04-27 | 2023-12-08 | 广东鸿图科技股份有限公司 | Three-coordinate clamp rapid positioning measurement device and method |
| CN208162701U (en) * | 2018-05-04 | 2018-11-30 | 荆州环宇汽车零部件有限公司 | It is a kind of to facilitate the vertical knee and column milling machine for clamping and processing |
| CN208721037U (en) * | 2018-10-25 | 2019-04-09 | 上汽依维柯红岩车桥有限公司 | Tool for three coordinate measurement of heavy truck gap bridge case lid |
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| CN211904080U (en) * | 2019-12-30 | 2020-11-10 | 天津市博源机械制造有限公司 | A three-coordinate measuring fixture |
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