CN101949694A - Detector for flange planeness of exhaust manifold and detection method thereof - Google Patents
Detector for flange planeness of exhaust manifold and detection method thereof Download PDFInfo
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- CN101949694A CN101949694A CN 201010244621 CN201010244621A CN101949694A CN 101949694 A CN101949694 A CN 101949694A CN 201010244621 CN201010244621 CN 201010244621 CN 201010244621 A CN201010244621 A CN 201010244621A CN 101949694 A CN101949694 A CN 101949694A
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Abstract
The invention provides a detector for the flange planeness of an exhaust manifold, which is characterized by comprising a rack, a driving device, a supporting bracket, a roof support and a displacement sensor, wherein the driving device is provided with a base which can horizontally and vertically move relative to the rack; the supporting bracket is fixed on the driving device, and is provided with a supporting rod used for fixing the flange plane of the exhaust manifold; the roof support comprises a measuring basis roof the bottom of which is provided with a datum fulcrum which can contact with the flange plane of the exhaust manifold; and the displacement sensor is used for detecting the datum fulcrum and an image input device and reading the data of the flange plane of the exhaust manifold. Compared with the prior art, the installation and the detection for the flange plane of the exhaust manifold of the invention are realized by a mechanical clamp, thereby achieving more labor-saving and more convenient operation, improving the measurement accuracy and veracity, obtaining the final measurement results by system analysis, being more stable and more reliable, reducing the influences of measurement errors and artificial subjective factors on the measurement results, and ensuring the detection quality.
Description
Technical field
The present invention relates to a kind of flatness checking device and detection method, particularly relate to a kind of device and detection method thereof that is used to detect the exhaust manifold planeness of flange.
Background technology
As everyone knows, automobile exhaust system is to be used for collecting and discharging waste gas, and the main effect of exhaust system is to filter the waste gas of discharging, and reduces tail gas pollution, can also reduce noise simultaneously.
Usually, the exhaust system of automobile mainly is made up of exhaust manifold, catalysis type clarifier, exhaust box and tail pipe etc., wherein, exhaust manifold is a kind of pipeline that has the difference warp architecture, and the effect of exhaust manifold is that the exhaust with each cylinder puts together and leads people's exhaust main.During installation, the Flange Plane of exhaust manifold links to each other with the cylinder assembling, in order to reduce exhaust resistance as far as possible, and avoid phase mutual interference between each cylinder of engine, planeness of flange to exhaust manifold in the automobile fitting industry has certain requirement, and the quality of fit of the Flange Plane of exhaust manifold and cylinder installed surface has determined whether the waste gas in the cylinder body can leak when discharging, therefore, in actual production, the planeness of flange of exhaust manifold detected have great importance.
As shown in figure 10, be the exhaust manifold planeness of flange pick-up unit that prior art adopted, this pick-up unit include detect dull and stereotyped 1 ' and clearance gauge 2 ', during detection, the exhaust manifold 4 that detects ' flange face 3 ' be placed on detect dull and stereotyped 1 ' on, and with detect dull and stereotyped 1 ' fit, under the state of nature that is not subjected to ambient pressure, with clearance gauge 2 ' measurement flange face 3 ' and detect gap between dull and stereotyped 1 ' two face, and then whether the planeness of flange of definite exhaust manifold is in the accuracy requirement scope.But the detection method accuracy of detection that adopts this pick-up unit to realize is lower, comparatively loaded down with trivial details, labor strength is big, and it is bigger influenced by artificial subjective factor, as a result poor stability, and this pick-up unit can only detect the Flange Plane of an exhaust manifold at every turn, inefficiency.
Summary of the invention
First technical matters to be solved by this invention is to provide a kind of accuracy of detection height and the rapid operation pick-up unit of discharge manifold planeness of flange easily at above-mentioned prior art present situation.
Second technical matters to be solved by this invention is to provide a kind of above-mentioned detection device that adopts to realize the method that the exhaust manifold planeness of flange detects at above-mentioned prior art present situation.
The present invention solves the technical scheme that above-mentioned first technical matters adopts: the pick-up unit of this discharge manifold planeness of flange is characterized in that: include
Frame;
Drive unit is installed on the described frame, and this drive unit has and can do the pedestal that level and vertical direction move with respect to described frame;
Bracing frame is fixed on the described drive unit and also can moves along level and vertical direction respectively with this drive unit, and support frame as described above is provided with the support bar that is used for fixing described exhaust manifold Flange Plane;
The top board bearing, be installed on the described frame, this top board bearing includes the measuring basis top board that is arranged at the support frame as described above top, offer on the described measuring basis top board and through hole that the Flange Plane of described exhaust manifold size is suitable, the bottom of this measuring basis top board also be provided with can and the contacted benchmark fulcrum of Flange Plane of described exhaust manifold;
Displacement transducer detects described benchmark fulcrum, and this displacement transducer is arranged at the top of described measuring basis top board, and this displacement transducer has the pickup arm that can be respectively moves along the vertical and horizontal of described measuring basis top board; And
Image input device reads the Flange Plane data of described exhaust manifold, and this image input device is arranged at the through hole top of described measuring basis top board, and the pickup arm of described image input device and described displacement transducer links.
In order to realize that drive unit is respectively along the displacement of level and vertical direction, as preferably, described drive unit includes first pedestal, second pedestal, support plate, first cylinder and second cylinder, described frame is provided with first guide rail, described support plate is provided with second guide rail, described second pedestal and support plate are perpendicular to the described first pedestal setting, described first pedestal and first guide rail are connected and can do moving of horizontal direction with respect to described frame, and described second pedestal and second guide rail are connected and can do moving of vertical direction with respect to described support plate; The cylinder body of described first cylinder is fixed on the described frame, and the piston rod of this first cylinder is fixed on described first pedestal, and the cylinder body of described second cylinder is fixed on described first pedestal, and the piston rod of this second cylinder is fixed on described second pedestal.Because the cylinder body of first cylinder is to be fixed on the frame, when first cylinder piston rod stretches out, first cylinder action is in first pedestal, realize of the slippage of first pedestal with respect to first guide rail, the cylinder body of second cylinder then is to be fixed on first pedestal, when second cylinder piston rod stretched out, second cylinder then acted on second pedestal, realized the slippage of second pedestal with respect to second guide rail.
In order to increase work efficiency, guarantee the Flange Plane mounting stability, as preferably, described support bar includes at least two groups, every group of support bar includes two highly fixing pole and two Height Adjustable motion bars, each described motion bar includes regulating sleeve, first bar, second bar and spring, described first bar offers vestibule, described spring is arranged in the described vestibule, the bottom of described second bar and described spring offset, described regulating sleeve is set in outside described first bar and second bar, and described regulating sleeve and described first bar are for being threaded.
As further preferred, described displacement transducer is fixed on a top of the trellis that is arranged on the described frame, described support is positioned at the rear portion of described top board bearing, and, described displacement transducer includes mutual vertically disposed stationary shaft and movable axis, described stationary shaft crosswise fixed is in described top of the trellis, and described movable axis is described pickup arm, and described image input device is arranged on the described movable axis.So during work, the stationary shaft of displacement transducer is motionless, movable axis can move along the vertical and lateral respectively with respect to stationary shaft as pickup arm, and then realizes the detection to each coordinate points on the measuring basis top board.
Described image input device can be various input equipments of the prior art, as video camera, scanner, view data after being mainly used in the surface that obtains the measuring basis top board and the exhaust manifold Flange Plane contacting, as preferably, described image input device is a laser scanner.
In order to prevent dust, improve safety in utilization, described pick-up unit also includes the outer cover that is arranged at described upper rack, described drive unit, bracing frame, top board bearing, displacement transducer and image input device are placed in the described outer cover, and, one side of described outer cover also has access door, and access door can open or close, and maintains easily and overhauls.
For timely detection feedback content, for the ease of observing testing result, described pick-up unit also includes the LCDs that is fixed on the described frame simultaneously.
In order to guarantee the level of frame upper surface, improve accuracy and the precision measured, reduce measuring error, described frame bottom also is equipped with the foot screw that can regulate this bracket height.
The present invention solves above-mentioned second technical scheme that technical matters adopted: described pick-up unit also includes the electric-control system of control above-mentioned drive unit, displacement transducer and image input device work, and the detection method of the planeness of flange of described exhaust manifold includes following steps:
(1), the exhaust manifold of wanting the detection plane degree is installed on the support column of support frame as described above;
(2), start power switch, support frame as described above arrives the measuring basis top plate portion of described top board bearing respectively through moving of horizontal direction and vertical direction under the driving of described drive unit, and, the Flange Plane of described exhaust manifold just in time contacts the benchmark fulcrum of described measuring basis top board bottom, forms preliminary detection;
(3), start described displacement transducer and detect, and described image input device moves and obtains the view data of the specified point on the described exhaust manifold Flange Plane at the vertical and horizontal of the described measuring basis top board in the drive lower edge of described pickup arm;
(4), described electric-control system detects the data of obtaining according to described displacement transducer and described image input device, whether the planeness of flange of judging exhaust manifold in the scope of accuracy requirement;
(5), support frame as described above resets under the driving of described drive unit again, unloads workpiece, finishes the detection of an exhaust manifold planeness of flange.
Compared with prior art, the invention has the advantages that: the installation of exhaust manifold Flange Plane and detection clamp realization by machinery, compare mode with manual detection is operated more laborsavingly, convenient, has improved measuring accuracy and accuracy, and, The ultimate results obtains by systematic analysis, and is more reliable and stable, reduced the influence to measurement result of measuring error and artificial subjective factor, guarantee the quality that detects, helped improving the qualification rate of product; In addition, adopt measurement mechanism of the present invention once a plurality of exhaust manifolds can be installed, greatly reduce working strength, improved work efficiency effectively.
Description of drawings
Fig. 1 is one of perspective view of the embodiment of the invention.
Fig. 2 is two (removing outer cover) of the perspective view of the embodiment of the invention.
Fig. 3 is the main part three-dimensional exploded view of the embodiment of the invention.
Fig. 4 is the rack construction synoptic diagram of the embodiment of the invention.
Fig. 5 is the cover structure synoptic diagram of the embodiment of the invention.
Fig. 6 is the top board seat structure synoptic diagram of the embodiment of the invention.
Fig. 7 moves horizontally the shelf structure synoptic diagram for the embodiment of the invention.
Fig. 8 is that the exhaust manifold of the embodiment of the invention is at the mounting structure synoptic diagram.
Fig. 9 is an exhaust manifold structural representation detected in the embodiment of the invention.
Figure 10 is the exhaust manifold planeness of flange pick-up unit that prior art adopted.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 9, be specific embodiments of the invention, the planeness of flange that this pick-up unit is exclusively used in the auto exhaust manifold detects, usually, the manifold 91 that exhaust manifold 9 ' have is crooked ' and install the Flange Plane 92 that is connected on the cylinder ', referring to Fig. 9, exhaust manifold 9 ' Flange Plane 92 ' on offer a plurality of vent ports 921 ', the Flange Plane 92 that we will detect ' flatness be vent port 921 ' edge 922 ' flatness, therefore, check point be arranged on vent port 921 ' edge 922 ' on, Flange Plane 92 ' the bottom also be provided with a plurality of strong points 922 ', the workpiece that is used for exhaust manifold clamps.
The pick-up unit of present embodiment includes frame 1, outer cover 2, drive unit 6, bracing frame 3, top board bearing 4, displacement transducer 5, image input device and electric-control system, wherein, drive unit 6, bracing frame 3, top board bearing 4, displacement transducer 5, image input device is installed on the frame 1 and is placed within the outer cover 2, outer cover 2 can play the dustproof effect, one side of outer cover 2 also has the detecting gate that can open at any time 21, convenient for maintaining, electric-control system is installed in the frame 1, frame 1 adopts high-quality A3 material and 40mm * 40mm * 4mm square tube to be welded, sound construction, attractive in appearance, frame 1 bottom can also be equipped with the foot screw 11 that can regulate this frame 1 height, foot screw 11 can be installed after the pick-up unit lifting puts in place again, can adjust frame 1 to suitable height by the foot screw 11 of regulating frame 1 bottom, guarantee the level of frame 1 upper surface.
Wherein, drive unit 6 has and can do the pedestal that level and vertical direction move with respect to frame 1, include first pedestal 61, second pedestal 62, support plate 63, first cylinder 64 and second cylinder 65, frame 1 is provided with first guide rail 12, support plate 63 is provided with second guide rail 631, second pedestal 62 and support plate 63 are provided with perpendicular to first pedestal 61, support plate 63 is fixedlyed connected with first pedestal 61, and, first pedestal 61 and first guide rail 12 are connected and can do moving of horizontal direction with respect to frame 1, and second pedestal 62 and second guide rail 631 are connected and can do moving of vertical direction with respect to support plate 63; First cylinder 64 is used for first location of pedestal 61 in surface level, the cylinder body of first cylinder 64 is fixed on the frame 1, the piston rod of this first cylinder 64 is fixed on first pedestal 61, second cylinder 65 is the slim cylinder of ￠ 50mm * 50mm, be used for jacking second pedestal 62, realize the location of second pedestal, 62 in the vertical directions, the cylinder body of second cylinder 65 is fixed on first pedestal 61, and the piston rod of this second cylinder 65 is fixed on second pedestal 62; First guide rail 12 and second guide rail 631 of present embodiment are respectively heavily loaded line slideway, first cylinder 64 and second cylinder 65 then are respectively the AirTAC cylinder, adopt pneumatic flexible, good stability, during work, heavy duty line slideway and the combination of AirTAC cylinder, the action of drive unit 6 is smooth more, low, the good rigidly of noise.
Top board bearing 4 is-gantry structure, top board bearing 4 includes measuring basis top board 41 that is arranged at bracing frame 3 tops and the fagging 42 that is connected measuring basis top board both sides, measuring basis top board 41 is reference datums of measuring the exhaust manifold planeness of flange, offer on the measuring basis top board 41 and the suitable through hole that is special-shaped shape 411 of measured exhaust manifold Flange Plane size, support bar group number on the number of through hole 411 and the bracing frame 3 is consistent, also be provided with in each through hole 411 bottom of measuring basis top board 41 can and exhaust manifold 9 ' Flange Plane 92 ' contacted benchmark fulcrum 412, benchmark fulcrum 412 is cylindrical, the bottom of benchmark fulcrum 412 can with exhaust manifold 9 ' Flange Plane 92 ' contact, the benchmark fulcrum 412 of present embodiment get 5 and respectively along the bottom sides of respective through hole 411 along setting.
The displacement transducer 5 of present embodiment adopts the ZL series laser displacement sensor of OMRON, this displacement transducer is fixed on the support 9 and is positioned at the top of measuring basis top board 41, support 9 is fixedlyed connected with frame 1 and is arranged on the rear portion of top board bearing 4, displacement transducer 5 includes mutual vertically disposed stationary shaft 51 and movable axis 52, stationary shaft 51 crosswise fixed are in the top of support 9, movable axis 52 can be with respect to stationary shaft moving along the vertical and horizontal of measuring basis top board 41 respectively as the pickup arm of displacement transducer 5, for guaranteeing accuracy of detection, displacement transducer 5 adopts the IAI mechanical arm as the driving of moving-member realization in plane to movable axis 52, movable axis 52 is fixedly linked by gusset 53 and mechanical arm, also being fixed with on the movable axis 52 of displacement transducer 5 can be with the laser scanner 7 of these movable axis 52 motions, laser scanner 7 as image input device can to detected exhaust manifold 9 ' several points of Flange Plane 92 ' go up appointment carry out laser scanning, and judge that by electric-control system the flatness of flange is whether in the scope of accuracy requirement.
Observe testing result for convenience, in time detection feedback information can also be installed LCDs 8 on frame 1, and this LCDs 8 is provided with the operating switch 81 of electric-control system.
The startup of the drive unit 6 in the present embodiment, displacement transducer 5, laser scanner 7 and cylinder or to close all be by being set in advance in the programmed control in the electric-control system; this control mode can utilize the various opertaing devices (single-chip microcomputer, PLC or solenoid valve etc.) of prior art and control circuit to realize; this control circuit and equipment are not the main contents that present embodiment will be protected, in the specific descriptions of this omission to electric-control system and control mode.
The method that the planeness of flange that adopts the present embodiment pick-up unit to carry out exhaust manifold detects is as follows, and this detection method includes following steps:
(1), the exhaust manifold 9 of wanting the detection plane degree ' be installed in respectively on bracing frame 3 corresponding one group of support column;
(2), select automatic mode, start power switch, first cylinder, 64 promotions, first pedestal 61 moves horizontally and advances, second cylinder, 65 jackings, second pedestal 62 vertically rises, so, bracing frame 3 arrives the measuring basis top plate portion of top board bearing 4 respectively through moving of horizontal direction and vertical direction under the driving of drive unit 6, at this moment, exhaust manifold 9 ' Flange Plane 92 ' just in time touch five benchmark fulcrums 412 of measuring basis top board 41 bottoms, form preliminary detection, in order to prevent misoperation, improve accuracy of detection, before displacement transducer work, can also in electric-control system, set trace routine, detect detected exhaust manifold 9 ' Flange Plane 92 ' whether the arrived position of formulation, if not, then need to start once more drive unit 6, adjust the position of bracing frame 3, make exhaust manifold 9 ' Flange Plane 92 ' move to just in time with the contacted position of benchmark fulcrum of measuring basis top board bottom;
(3), the start bit displacement sensor 5, mechanical arm drives movable axis and detects along the vertical and horizontal of measuring basis top board 41 respectively, simultaneously, laser scanner 7 also scans along the vertical and horizontal of measuring basis top board 41 under the drive of movable axis, and obtain exhaust manifold Flange Plane 92 ' on the view data of several specified points be sent to electric-control system;
(4), electric-control system detects the data of obtaining according to displacement transducer 5 and laser scanner 7, judge exhaust manifold 9 ' planeness of flange whether in the scope of accuracy requirement;
(5), detect and to finish, bracing frame 3 resets under the driving of drive unit 6 again, unloads workpiece, finishes the detection of an exhaust manifold planeness of flange.
The pick-up unit of present embodiment has been realized the automatic detection of exhaust manifold planeness of flange, has not only alleviated labour intensity, has also improved detection efficiency, and accuracy of detection and accuracy are more guaranteed.
Claims (9)
1. the pick-up unit of a discharge manifold planeness of flange is characterized in that: include
Frame;
Drive unit is installed on the described frame, and this drive unit has and can do the pedestal that level and vertical direction move with respect to described frame;
Bracing frame is fixed on the described drive unit and also can moves along level and vertical direction respectively with this drive unit, and support frame as described above is provided with the support bar that is used for fixing described exhaust manifold Flange Plane;
The top board bearing, be installed on the described frame, this top board bearing includes the measuring basis top board that is arranged at the support frame as described above top, offer on the described measuring basis top board and through hole that the Flange Plane of described exhaust manifold size is suitable, the bottom of this measuring basis top board also be provided with can and the contacted benchmark fulcrum of Flange Plane of described exhaust manifold;
Displacement transducer detects described benchmark fulcrum, and this displacement transducer is arranged at the top of described measuring basis top board, and this displacement transducer has the pickup arm that can be respectively moves along the vertical and horizontal of described measuring basis top board; And
Image input device reads the Flange Plane data of described exhaust manifold, and this image input device is arranged at the through hole top of described measuring basis top board, and the pickup arm of described image input device and described displacement transducer links.
2. the pick-up unit of discharge manifold planeness of flange according to claim 1, it is characterized in that: described drive unit includes first pedestal, second pedestal, support plate, first cylinder and second cylinder, described frame is provided with first guide rail, described support plate is provided with second guide rail, described second pedestal and support plate are perpendicular to the described first pedestal setting, described first pedestal and first guide rail are connected and can do moving of horizontal direction with respect to described frame 1, and described second pedestal and second guide rail are connected and can do moving of vertical direction with respect to described support plate; The cylinder body of described first cylinder is fixed on the described frame, and the piston rod of this first cylinder is fixed on described first pedestal, and the cylinder body of described second cylinder is fixed on described first pedestal, and the piston rod of this second cylinder is fixed on described second pedestal.
3. the pick-up unit of discharge manifold planeness of flange according to claim 1, it is characterized in that: described support bar includes at least two groups, every group of support bar includes two highly fixing pole and two Height Adjustable motion bars, each described motion bar includes regulating sleeve, first bar, second bar and spring, described first bar offers vestibule, described spring is arranged in the described vestibule, the bottom of described second bar and described spring offset, described regulating sleeve is set in outside described first bar and second bar, and described regulating sleeve and described first bar are for being threaded.
4. the pick-up unit of discharge manifold planeness of flange according to claim 1, it is characterized in that: described displacement transducer is fixed on a top of the trellis that is arranged on the described frame, described support is positioned at the rear portion of described top board bearing, and, described displacement transducer includes mutual vertically disposed stationary shaft and movable axis, described stationary shaft crosswise fixed is in described top of the trellis, and described movable axis is described pickup arm, and described image input device is arranged on the described movable axis.
5. the pick-up unit of discharge manifold planeness of flange according to claim 4 is characterized in that: described image input device is a laser scanner.
6. the pick-up unit of discharge manifold planeness of flange according to claim 1, it is characterized in that: described pick-up unit also includes the outer cover that is arranged at described upper rack, described drive unit, bracing frame, top board bearing, displacement transducer and image input device are placed in the described outer cover, and a side of described outer cover 2 also has access door.
7. the pick-up unit of discharge manifold planeness of flange according to claim 6 is characterized in that: described pick-up unit also includes the LCDs that is fixed on the described frame.
8. the pick-up unit of discharge manifold planeness of flange according to claim 1 is characterized in that: described frame bottom also is equipped with the foot screw that can regulate this bracket height.
9. an employing is as the discharge manifold planeness of flange detection method of pick-up unit as described in arbitrary claim in the claim 1～8, wherein, described pick-up unit also includes the electric-control system of control described drive unit, displacement transducer and image input device work, and it is characterized in that: this detection method includes following steps:
(1) exhaust manifold of wanting the detection plane degree is installed on the support column of support frame as described above;
(2), start power switch, support frame as described above arrives the measuring basis top plate portion of described top board bearing respectively through moving of horizontal direction and vertical direction under the driving of described drive unit, and, the Flange Plane of described exhaust manifold just in time contacts the benchmark fulcrum of described measuring basis top board bottom, forms preliminary detection;
(3), start described displacement transducer and detect, and described image input device moves and obtains the view data of the specified point on the described exhaust manifold Flange Plane at the vertical and horizontal of the described measuring basis top board in the drive lower edge of described pickup arm;
(4), described electric-control system detects the data of obtaining according to described displacement transducer and described image input device, whether the planeness of flange of judging exhaust manifold in the scope of accuracy requirement;
(5), support frame as described above resets under the driving of described drive unit again, unloads workpiece, finishes the detection of an exhaust manifold planeness of flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102446216A CN101949694B (en) | 2010-07-30 | 2010-07-30 | Detector for flange planeness of exhaust manifold and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102446216A CN101949694B (en) | 2010-07-30 | 2010-07-30 | Detector for flange planeness of exhaust manifold and detection method thereof |
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| CN101949694A true CN101949694A (en) | 2011-01-19 |
| CN101949694B CN101949694B (en) | 2012-06-27 |
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| CN2010102446216A Active CN101949694B (en) | 2010-07-30 | 2010-07-30 | Detector for flange planeness of exhaust manifold and detection method thereof |
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| CN103029113A (en) * | 2012-11-28 | 2013-04-10 | 重庆明利来科技有限公司 | Exhaust manifold clipping device |
| CN103394846A (en) * | 2013-07-25 | 2013-11-20 | 成都陵川特种工业有限责任公司 | Positioning tool for supports on connecting pipes of exhaust manifolds |
| CN104034286A (en) * | 2013-03-06 | 2014-09-10 | 昆山富利瑞电子科技有限公司 | Metal plate coplanarity detection equipment |
| CN107401989A (en) * | 2017-09-06 | 2017-11-28 | 和信精密科技（吴江）有限公司 | A kind of flatness and flexibility detect tool |
| CN107402047A (en) * | 2017-09-06 | 2017-11-28 | 常州航空工模具有限公司 | A kind of automobile exhaust pipe automatic checkout equipment |
| CN108375327A (en) * | 2018-01-12 | 2018-08-07 | 平高集团有限公司 | A kind of detection method and detection device of special-shaped conductor |
| CN111013872A (en) * | 2019-12-21 | 2020-04-17 | 河南飞龙(芜湖)汽车零部件有限公司 | Solve multiple model car exhaust manifold and spray paint frame of spraying paint of processing |
| CN112461178A (en) * | 2020-11-16 | 2021-03-09 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Continuous curvature generating device |
| CN112683192A (en) * | 2019-10-18 | 2021-04-20 | 三赢科技（深圳）有限公司 | Non-contact measuring device for overall dimension of piece to be measured |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103029113A (en) * | 2012-11-28 | 2013-04-10 | 重庆明利来科技有限公司 | Exhaust manifold clipping device |
| CN104034286A (en) * | 2013-03-06 | 2014-09-10 | 昆山富利瑞电子科技有限公司 | Metal plate coplanarity detection equipment |
| CN103394846A (en) * | 2013-07-25 | 2013-11-20 | 成都陵川特种工业有限责任公司 | Positioning tool for supports on connecting pipes of exhaust manifolds |
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| CN112683192A (en) * | 2019-10-18 | 2021-04-20 | 三赢科技（深圳）有限公司 | Non-contact measuring device for overall dimension of piece to be measured |
| CN111013872A (en) * | 2019-12-21 | 2020-04-17 | 河南飞龙(芜湖)汽车零部件有限公司 | Solve multiple model car exhaust manifold and spray paint frame of spraying paint of processing |
| CN112461178A (en) * | 2020-11-16 | 2021-03-09 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Continuous curvature generating device |
| CN112461178B (en) * | 2020-11-16 | 2022-02-01 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Continuous curvature generating device |
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| Publication number | Publication date |
|---|---|
| CN101949694B (en) | 2012-06-27 |
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Address after: Hongxing Road 315033 Zhejiang province Ningbo Jiangbei Industrial Zone No. 8 A Patentee after: ZHEJIANG MOTORBACS TECHNOLOGY CO., LTD. Address before: Hongxing Road 315033 Zhejiang province Ningbo Jiangbei Industrial Zone No. 8 A Patentee before: Zhejiang Motorbacs Autoparts Co., Ltd. |