CN112985323A - Check tool for equipment accessories - Google Patents

Check tool for equipment accessories Download PDF

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Publication number
CN112985323A
CN112985323A CN202110211548.0A CN202110211548A CN112985323A CN 112985323 A CN112985323 A CN 112985323A CN 202110211548 A CN202110211548 A CN 202110211548A CN 112985323 A CN112985323 A CN 112985323A
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equipment
moving part
swing arm
moving
coordinate system
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CN202110211548.0A
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CN112985323B (en
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刘亚洲
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Changchun Dahua Plastic Cement Product Co ltd
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Individual
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/22Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The invention provides a checking fixture for equipment fittings, which is provided with a moving part, wherein the moving part is fixed on a reference datum through a first positioning part and adjusts the spatial position of a checking fixture body relative to the reference datum; the moving part at least comprises a first position which is at a high position relative to the vertical direction of the reference datum and is close to the horizontal direction; and a second position which is at a low position in the vertical direction and far away from the horizontal direction relative to the reference datum; through the structure, an operator can visually switch between the first position higher and far away from the checking fixture and the second position lower and close to the checking fixture, but the operator does not need to excessively move, and the work load of the operator is greatly reduced.

Description

Check tool for equipment accessories
Technical Field
The invention relates to the field of production and processing of high-end equipment accessories, in particular to a gauge for high-precision and high-quality equipment accessories.
Background
In the production and processing field, the checking fixture is a simple tool for controlling various sizes (such as aperture, space size and the like) of products by industrial production enterprises, improves the production efficiency and controls the quality, and is suitable for mass production of products, such as equipment parts, to replace professional measuring tools, such as smooth plug gauges, threaded plug gauges, outer diameter snap gauges and the like.
Taking a gauge for equipment accessories as an example, the earliest flexible gauge (the first generation, namely the G1 flexible gauge) refers to a modular gauge or a combined gauge and a combined clamp, and has the characteristics of free combination, repeated use and the like, and the flexible gauge comprises different forms of a threaded hole array, a profile, hydraulic pressure and the like.
The second generation G2 flexible detection tool is a detection tool based on a measuring head, and has the characteristics of adjustability, quantitative measurement and the like, meanwhile, the position and the angle of the measuring head can be set according to the requirements of users, the used tool can also be adjusted according to products, and the flexible detection tool can also be an online detection system with relatively low cost.
Among the prior art, when measuring the inspection to some equipment accessories, need manpower assistance-robot to carry out the clamping on examining the utensil, through preliminary fixed back, carry out the careful observation data of naked eye vision again. Preliminarily fixing a workpiece needing to be moved by controlling a manipulator in an upright state by a person, observing whether clamping is successful or not by a telescopic angle on the whole by an operator after clamping, and detecting data on clamping fed back on a display; when the device enters the visual identification of naked eyes, the position of a corresponding point to be measured on the checking fixture is usually observed in a short distance, and whether the accessory and the checking fixture are properly matched or not is judged. When the accessory quantity that awaits measuring is huge, the operator need be higher, keep away from the position of examining the utensil and lower, be close to the position upper portion trunk of examining the utensil and remove repeatedly, make operating personnel very tired. How to reduce the workload of the operators through human factors engineering is one of the technical problems to be solved by the invention.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
In order to achieve the purpose, the technical scheme of the invention is provided.
Among this technical scheme, an equipment accessory examines utensil, a characterized in that includes:
the checking fixture body is used for being matched with the equipment accessory;
the gauge is characterized by further comprising a moving part which is fixed on a reference datum through a first positioning part and adjusts the spatial position of the gauge body relative to the reference datum;
the moving part at least comprises a first position which is at a high position relative to the vertical direction of the reference datum and is close to the horizontal direction; and a second position which is at a low position in the vertical direction and far away from the horizontal direction relative to the reference datum;
a control unit which makes the moving part located at a first position when the equipment fitting is loaded on the checking tool body; after the loading of the equipment accessory is completed, the moving part will be located at the second position.
Preferably, the moving part includes:
the fixture comprises a fixture body, a fixing frame and a positioning device, wherein the fixture body is fixedly connected with the fixture body, the fixing frame comprises a lead screw which extends along the vertical direction, and a sliding sleeve is movably arranged on the lead screw;
the top end of the driving rod is pivotally connected with the sliding sleeve, and the bottom end of the driving rod is pivotally connected with the middle part of the fourth connecting rod;
one end of the first connecting rod and one end of the third connecting rod are both pivotally connected with the bottom end of the fixed frame;
the other end of the first connecting rod is pivotally connected with one end of the second connecting rod;
the other end of the third connecting rod is pivotally connected with one end of the fourth connecting rod;
the other end of the fourth connecting rod is pivotally connected with the middle part of the second connecting rod;
the other end of the second connecting rod is pivotally connected with the reference datum to form a positioning part;
an internal source drive for powering the moving part as it moves in the path of the first and second positions.
Preferably, the internal source driving part is arranged inside the fixing frame, and the internal source driving part comprises a motor which is in driving connection with a screw rod of the fixing frame through a speed reducing device.
Preferably, the method further comprises the following steps:
the feed portion for carry the loading equipment accessory operation to examining a body, specifically include:
a swing arm that rotates around the second positioning portion;
the frame carrier is arranged on the spiral arm and freely rotates around a planet shaft in a mode of keeping the posture in the space, and the planet shaft is parallel to the rotating shaft of the second positioning part;
the control unit further includes:
a rotation angle measuring part for obtaining the rotation angle of the rotary arm relative to the second positioning part;
a coordinate system calculation unit that calculates coordinates of the rack carrier in the swing arm coordinate system using the second positioning portion as an origin and the swing arm coordinate system rotating around the second positioning portion as a reference, and further calculates coordinates of equipment parts on the rack carrier that freely rotate around the planetary axis in a fixed posture in the swing arm coordinate system;
a moving part calculation part which calculates the displacement amount and the displacement time of the moving part according to the coordinates in the swing arm coordinate system through the equipment accessories and obtains a driving signal;
and a driving part which generates a signal for controlling the movement of the moving part and the operation of the swing arm according to the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculating part and the driving signal obtained by the moving part calculating part, so that the equipment fitting is transferred from the rack carrier to the checking fixture body at the first position.
Preferably, the feeder section comprises a plurality of arms, one for each of said rack carriers. .
The invention also provides a control method of the checking fixture for the equipment fitting,
s1, starting a detection tool control unit of an equipment accessory;
s2, the rotation angle measuring part obtains the rotation angle of the rotating arm relative to the second positioning part;
s3, calculating the displacement and the displacement time of the moving part by the moving part calculation part according to the coordinates of the equipment accessories in the swing arm coordinate system, and obtaining a driving signal;
s4, a driving part which generates a signal for controlling the movement of the moving part and the movement of the swing arm according to the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculating part and the driving signal obtained by the moving part calculating part, so that the equipment fitting is transferred from the frame carrier to the checking fixture body at a first position;
s5, moving the moving part from the first position to the second position;
s6, removing the equipment accessory at the second position, and moving the moving part from the second position to the first position; while repeating the operation of S2.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic view of a gauge construction of an equipment accessory according to an embodiment of the invention;
FIG. 2 is a schematic structural view of a gauge moving part of an equipment fitting according to an embodiment;
FIG. 3 shows a structural schematic diagram of a gauge of the equipment fitting of an embodiment, which comprises a feeding part for feeding a gauge body.
The correspondence between the labels and the structures in fig. 1 to 3 is as follows:
a motor 11; a drive wheel 12; a driven pulley 13; a fixed frame 14; a slide bush 21; a lead screw 22; a drive rod 30; a first link 40; a second link 50; a third link 60; a fourth link 70; rotating the arm: 80; and (3) support carrier: 81; rotating shafts P1, P2, P3, P4, P5 and P6; the gauge comprises a gauge body A; a moving part B; a first positioning portion C; a second positioning portion C2; a first position D1; a second position D2; point E is observed visually.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Some embodiments according to the invention are described below with reference to fig. 1-2.
Example 1:
fig. 1 shows a schematic structural diagram of an equipment fitting checking fixture in different states according to one embodiment of the invention. As shown in fig. 1, the present embodiment provides a fixture for an equipment fitting, including: the gauge body A is used for being matched with the equipment accessory; the gauge is characterized by further comprising a moving part B, wherein the moving part B is fixed on a reference datum through a first positioning part C and adjusts the spatial position of the gauge body A relative to the reference datum; the moving part B includes at least a first position D1 which is high in the vertical direction with respect to the reference and close in the horizontal direction; and, a second position D2 that is vertically low and horizontally far from the reference datum; a control unit for positioning the moving part B at a first position D1 when the equipment fitting is loaded on the tool body A; after the equipment accessories are loaded, the moving part B is located at the second position D2.
The equipment accessory checking fixture can be applied to detection of equipment accessories of various different types, and by taking high-end automobile machining as an example, a left outer guard plate, a head-up display decorative cover, a lower guard plate assembly in an instrument panel and the like can be driven for the owner. Through the structure, an operator can visually switch between the first position D1 at a higher position and a second position D2 at a lower position and a position far away from the gauge, but the operator does not need to excessively move, and the workload of the operator is greatly reduced.
Example 2:
fig. 2 shows a schematic structural view of a gauge moving part of an equipment fitting according to an embodiment of the present invention. The embodiment provides a utensil is examined to equipment accessory, and it includes removal portion B, specifically includes: the fixture 14 is fixedly connected with the checking fixture body A and comprises a lead screw 22 which extends in the vertical direction, and a sliding sleeve 21 is movably arranged on the lead screw 22; the top end of the driving rod 30 is pivotally connected with the sliding sleeve 21, and the bottom end of the driving rod 30 is pivotally connected with the middle part of the fourth connecting rod 70; one end of the first connecting rod 40 and one end of the third connecting rod 60 are both pivotally connected with the bottom end of the fixed frame 14; the other end of the first link 40 is pivotally connected to one end of the second link 50; the other end of the third link 60 is pivotally connected to one end of the fourth link 70; the other end of the fourth link 70 is pivotally connected to the middle of the second link 50; the other end of the second link 50 is pivotally connected with the reference datum to form a positioning part C; an internal source drive for powering the moving part B as it moves on the path of the first position D1 and the second position D2.
It should be defined that the so-called internal source driving part means that the whole driving structure is installed inside the fixture of the equipment fitting, and the advantages thereof are two points:
firstly, in the occasion of utensil is examined to practical application equipment accessory, structure installation space and wiring space are very restricted, and different utensil of examining corresponds different equipment accessories, still involves frequent operation switching in the production, and what correspond with it is the change of examining the utensil differently. The driving structure is integrated in the inspection tool for the equipment fitting, so that the mounting difficulty of the inspection tool for the equipment fitting on a production line can be greatly reduced, external auxiliary equipment such as a guide rail and a cylinder is not required to be additionally arranged, and the mounting convenience is improved.
Secondly, the fixed connection points of the checking tool of the equipment accessory and the outside are completely concentrated on the positioning part C, two functions of pivoting and fixing and coordinate positioning are concentrated on the fixed connection points, all error control is completely executed based on the positioning part C, and if other external power input connections exist, the whole coordinate positioning system is damaged.
Example 3:
still referring to fig. 1 and fig. 2, the present embodiment provides a fixture for equipment accessories, which includes an internal source driving part disposed inside a fixing frame 14, the internal source driving part including a motor 11, which is in driving connection with a lead screw 22 of the fixing frame 14 through a speed reduction device, wherein an output shaft of the motor 11 is longitudinally arranged in space, and the output shaft of the motor is rotated and circumferentially displaced to be converted into displacement of a moving part B in two vectors, namely, in the horizontal space and the longitudinal space.
The embodiment provides a checking fixture of an equipment part, considering that a motor is a commercially available production device and cannot be further reduced in axial dimension, in order to reduce the dimension of the checking fixture of the equipment part in the horizontal direction, the output shaft of a motor 11 is creatively and longitudinally arranged in space, the internal dimension of the checking fixture in the longitudinal space is fully utilized, and the displacement of a moving part B in the two vectors of the space horizontal direction and the space longitudinal direction can be adjusted or controlled through the transmission ratio of a speed reducing device.
Example 4:
referring to fig. 3, the present embodiment provides an equipment fitting checking fixture, including the feed portion, is used for carrying the equipment fitting operation of loading to checking fixture body a, specifically includes: a swing arm 80 that rotates about the second positioning portion C1; a carrier 81 provided on the swing arm to freely rotate around a planetary shaft in a manner of maintaining the posture in the space, the planetary shaft being parallel to the rotation shaft of the second positioning portion C1; the control unit further includes: a rotation angle measuring unit that obtains a rotation angle of the arm with respect to the second positioning unit C1; a coordinate system calculation unit that calculates coordinates of the rack carrier 81 in the swing arm coordinate system using the second positioning portion C1 as an origin and the swing arm coordinate system rotating around the second positioning portion C1 as a reference, and further calculates coordinates of the equipment fitting on the rack carrier 81 in the swing arm coordinate system rotating around the planetary axis in a fixed posture; a moving part B calculation part which calculates the displacement amount and the displacement time of the moving part B according to the coordinates in the swing arm coordinate system through the equipment accessories and obtains a driving signal; and a driving unit for generating a signal for controlling the movement and the swing arm operation of the moving unit B so that the equipment fitting is transferred from the rack carrier 81 to the fixture body a at the first position D1, based on the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculating unit and the driving signal obtained by the moving unit B calculating unit. The first positioning portion C and the second positioning portion C1 mutually recognize the positions of each other in the present coordinate system.
In fig. 3, X1 represents a position of the planet axle at the end of the radial arm and rotates to the X2 position.
Preferably, the feeding portion comprises a plurality of radial arms, one for each of said rack carriers 81.
The embodiment provides a utensil is examined to equipment accessory has further add the feed portion, can load the equipment accessory on examining utensil body A in first position D1 automatically in process of production.
The calculation mode of a coordinate system is further provided, and the position relation and the matching relation of the feeding part and the checking fixture body A are accurately judged through the first positioning part C and the second positioning part C1 of the two positioning parts and the relation between the two positioning parts.
When the embodiment is used:
s1, starting a detection tool control unit of an equipment accessory;
s2, the rotation angle measuring part obtains the rotation angle of the rotating arm relative to the second positioning part C1;
s3, calculating the displacement and the displacement time of the moving part B by the calculating part of the moving part B according to the coordinates of the equipment accessories in the swing arm coordinate system, and obtaining a driving signal;
s4, a driving part which generates a signal for controlling the movement of the moving part B and the movement of the swing arm according to the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculating part and the driving signal obtained by the moving part B calculating part, so that the equipment fitting is transferred from the rack carrier 81 to the checking fixture body A at a first position D1;
s5, moving the moving part B from the first position D1 to the second position D2;
s6, removing the equipment accessory at the second position D2, and moving the moving part B from the second position D2 to the first position D1; while repeating the operation of S2.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "spatial horizontal", and "spatial longitudinal" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or unit referred to must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. An equipment fitting testing fixture, comprising:
the gauge body (A) is used for being matched with the equipment accessory;
the gauge is characterized by further comprising a moving part (B) which is fixed on a reference datum through a first positioning part (C) and adjusts the spatial position of the gauge body relative to the reference datum;
the moving part (B) comprises at least a first position (D1) which is at a high position relative to the reference vertical direction and close to the horizontal direction; and a second position (D2) vertically low and horizontally far from the reference base;
a control unit which makes the moving part be located at a first position (D1) when the equipment accessory is loaded on the checking tool body; after the loading of the equipment accessory is completed, the moving part is located at the second position (D2).
2. The fixture of an equipment fitting according to claim 1, wherein the moving portion (B) includes:
the fixture comprises a fixed frame (14) which is fixedly connected with the checking fixture body, wherein the fixed frame comprises a lead screw (22) which extends along the vertical direction, and a sliding sleeve (21) which is movably arranged on the lead screw;
the top end of the driving rod (30) is pivotally connected with the sliding sleeve (21), and the bottom end of the driving rod (30) is pivotally connected with the middle part of the fourth connecting rod (70);
one end of the first connecting rod (40) and one end of the third connecting rod (60) are both pivotally connected with the bottom end of the fixed frame (14);
the other end of the first connecting rod (40) is pivotally connected with one end of the second connecting rod (50);
the other end of the third connecting rod (60) is pivotally connected with one end of the fourth connecting rod (70);
the other end of the fourth connecting rod (70) is pivotally connected with the middle part of the second connecting rod (50);
the other end of the second connecting rod (50) is pivotally connected with the reference datum to form a positioning part (C);
an internal source drive for powering the moving part (B) when moving on the path of the first position (D1) and the second position (D2).
3. The tool for inspecting equipment accessories of claim 2, wherein the internal source driving part is disposed inside the fixed frame (14), and the internal source driving part comprises a motor (11) which is in driving connection with a lead screw (22) of the fixed frame (14) through a speed reduction device, wherein an output shaft of the motor is longitudinally arranged in space, and the output shaft of the motor is rotated and circumferentially displaced to be converted into displacement of the moving part in two vectors of the space level and the space longitudinal direction.
4. The fixture of equipment accessories of claim 2, further comprising:
the feed portion for carry the loading equipment accessory operation to examining a body, specifically include:
a swing arm (80) that rotates about the second positioning portion (C1);
a carrier (81) provided on the swing arm to freely rotate around a planetary shaft in a manner of maintaining the posture in the space, the planetary shaft being parallel to the rotation shaft of the second positioning portion (C1);
the control unit further includes:
a rotation angle measuring part for obtaining the rotation angle of the radial arm relative to the second positioning part (C1);
a coordinate system calculation unit which calculates coordinates of the rack carrier (81) in the swing arm coordinate system with the second positioning unit (C1) as an origin and the swing arm coordinate system rotating around the second positioning unit (C1) as a reference, and further calculates coordinates of an equipment fitting on the rack carrier (81) which is rotatable around the planet axis in a fixed posture in the swing arm coordinate system;
a moving part calculation part which calculates the displacement amount and the displacement time of the moving part according to the coordinates in the swing arm coordinate system through the equipment accessories and obtains a driving signal;
and a drive unit for generating a signal for controlling the movement of the moving unit and the operation of the swing arm so that the equipment fitting is transferred from the rack carrier (81) to the fixture body (A) at the first position (D1) based on the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculation unit and the drive signal obtained by the moving unit calculation unit.
5. The fixture of claim 4, wherein the feeder portion comprises a plurality of radial arms, each radial arm corresponding to one of the rack carriers.
6. A control method of a detection tool for equipment accessories is characterized in that:
s1, starting a detection tool control unit of an equipment accessory;
s2, the rotation angle measuring part obtains the rotation angle of the rotating arm relative to the second positioning part;
s3, calculating the displacement and the displacement time of the moving part B by the moving part calculation part according to the coordinates of the equipment accessories in the swing arm coordinate system, and obtaining a driving signal;
s4, a driving part which generates a signal for controlling the movement of the moving part and the movement of the swing arm according to the coordinates of the equipment fitting in the swing arm coordinate system calculated by the coordinate system calculating part and the driving signal obtained by the moving part calculating part, so that the equipment fitting is transferred from the frame carrier to the checking fixture body at a first position;
s5, moving the moving part from the first position to the second position;
s6, removing the equipment accessory at the second position, and moving the moving part from the second position to the first position; while repeating the operation of S2.
CN202110211548.0A 2021-02-25 2021-02-25 Check tool for equipment accessories Active CN112985323B (en)

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GB1582540A (en) * 1977-07-15 1981-01-07 Houdaille Industries Inc Automatic workpiece handling systems for machine tools
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CN211147498U (en) * 2019-11-22 2020-07-31 长沙市奥思得精工模具有限公司 Movable automobile inspection tool support
CN110966976A (en) * 2019-12-25 2020-04-07 十堰合跃工贸有限公司 Automobile wheel hub shaft tube coaxiality comprehensive testing fixture
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CN212320565U (en) * 2020-05-20 2021-01-08 长春市大华塑胶制品有限公司 Detection tool for automobile head-up display decorative cover
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