CN104792292A - Cross-flow fan blade detection tool - Google Patents
Cross-flow fan blade detection tool Download PDFInfo
- Publication number
- CN104792292A CN104792292A CN201410030096.6A CN201410030096A CN104792292A CN 104792292 A CN104792292 A CN 104792292A CN 201410030096 A CN201410030096 A CN 201410030096A CN 104792292 A CN104792292 A CN 104792292A
- Authority
- CN
- China
- Prior art keywords
- flow fan
- fan blade
- cover plate
- casing
- control device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G01B21/10—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 diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a cross-flow fan blade detection tool used for detecting the quality of cross-flow fan blades. The cross-flow fan blade detection tool comprises a box body, a cover plate, a control device, a plurality of measuring devices and two adjusting devices; the two adjusting devices are respectively mounted on end surfaces of the box body; the cross-flow fan blades are mounted between the two adjusting devices; the cover plate is mounted on the surface of the box body; the adjusting devices and the control device are respectively mounted on the cover plate; and the measuring devices are electrically connected with the control device. According to the cross-flow fan blade detection tool of the invention, the quality of the cross-flow fan blades is detected through the adjusting devices, the control device and the measuring devices, so that whether the diameter size of the cross-flow fan blades is qualified can be judged, and the qualified rate of detected cross-flow fan blade products can be improved.
Description
Technical field
The present invention relates to frock technical field, particularly relate to a kind of through-flow fan blade that can be used in detecting through-flow fan blade and detect frock.
Background technology
At present, the simple frock detecting through-flow fan blade can only detect the slight crack problem of leaf blade, and can not realize for the examine of diameter aspect of through-flow fan blade, do not detect diameter dimension and detect blade slight crack simultaneously, if occur, diameter dimension is not inconsistent, the crackless bad material of fan blade will flow into production line, impacts product and uses.
In view of above-mentioned defect, the present inventor obtains the invention finally through long research and practice.
Summary of the invention
Based on this, be necessary for problems such as the simple frock of through-flow fan blade can not realize in examine of diameter, provide a kind of through-flow fan blade that can detect the diameter of through-flow fan blade to detect frock.Above-mentioned purpose is achieved through the following technical solutions:
A kind of through-flow fan blade detects frock, for detecting the quality of through-flow fan blade, comprises casing, cover plate, control device, multiple measurement mechanism and two regulating devices;
Described cover plate is arranged on the surface of described casing, and is positioned at the below of through-flow fan blade;
The end face of described casing is provided with two lug bosses;
Two described regulating devices are respectively installed on two described lug bosses of described casing;
Through-flow fan blade is installed between two described regulating devices;
Described measurement mechanism and described control device are respectively installed on described cover plate, and described measurement mechanism is electrically connected with described control device.
Above-mentioned purpose can also be realized further by following technical proposals.
Wherein, two positions of described lug boss on described casing are corresponding, and the height of described lug boss is installed to the height on described casing higher than described cover plate.
Wherein, each described regulating device comprises multiple elastic component, multiple web member and baffle plate;
Described elastic component is arranged on described web member;
Described baffle plate is movably attached on the lug boss of described casing by described web member.
Wherein, described baffle plate is provided with through hole;
The two ends of through-flow fan blade are respectively installed in two described through holes.
Wherein, each described measurement mechanism comprises two sounding rods and sliding tray;
Described sliding tray is installed on described cover plate, and places with the axes normal of the through hole of the baffle plate in described regulating device,
Two described sounding rods are installed in described sliding tray, and move in described sliding tray.
Wherein, multiple described sliding tray is in column to be distributed on described cover plate, and is provided with predeterminable range between adjacent two described sliding trays.
Wherein, the distance between two described sounding rods is greater than the external diameter of through-flow fan blade.
Wherein, described control device comprises power switch, inspection lamp switch, emergency warning lamp and display screen;
Whether described power switch is electrically connected with described emergency warning lamp, qualified by observing described emergency warning lamp detection through-flow fan blade;
Described emergency warning lamp is electrically connected with described inspection lamp switch, for detecting the quality of through-flow fan blade;
Described display screen is electrically connected with described emergency warning lamp, and the measurement numerical value of described sounding rod is shown by described display screen.
Wherein, described through-flow fan blade detection frock also comprises inspection lamp;
Described casing is provided with internal cavities;
Described inspection lamp is installed in described internal cavities, places, be positioned at the below of cover plate with the axis being parallel of the through hole of the baffle plate in described regulating device.
Wherein, described cover plate is provided with passage;
The position of described passage on described cover plate is corresponding with the position that described inspection lamp is installed in the internal cavities of described casing;
The length of described passage and the length of described inspection lamp adapt.
The invention has the beneficial effects as follows:
Through-flow fan blade of the present invention detects frock, structural design advantages of simple, the quality of through-flow fan blade is detected by regulating device, control device and measurement mechanism, regulating device can install the through-flow fan blade of different length, the diametric requirements of through-flow fan blade is detected by measurement mechanism, and metrical information is passed to control device, control device detects metrical information, and then whether the diameter dimension of intelligent decision through-flow fan blade is qualified, improve the qualification rate of the product using the through-flow fan blade after detecting.
Accompanying drawing explanation
Fig. 1 is the stereographic map that through-flow fan blade of the present invention detects that frock is provided with through-flow fan blade;
Fig. 2 is the vertical view of the through-flow fan blade detection frock shown in Fig. 1;
Fig. 3 is the stereographic map of measurement mechanism in the through-flow fan blade detection frock shown in Fig. 1;
Fig. 4 is provided with the cut-open view of through-flow fan blade for the through-flow fan blade shown in Fig. 1 detects frock;
Fig. 5 is provided with the side view of through-flow fan blade for the through-flow fan blade shown in Fig. 1 detects frock;
Wherein:
100-through-flow fan blade detects frock;
110-casing;
111-lug boss;
120-cover plate;
130-regulating device;
131-elastic component; 132-web member; 133-baffle plate;
140-measurement mechanism;
141-sounding rod; 142-sliding tray;
150-control device;
151-power switch; 152-emergency warning lamp; 153-inspection lamp switch; 154-display screen;
160-inspection lamp;
200-through-flow fan blade.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, by the following examples, and by reference to the accompanying drawings, detect frock to through-flow fan blade of the present invention to be further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
See Fig. 1 to Fig. 5, through-flow fan blade of the present invention detects frock 100, for detecting the quality of through-flow fan blade 200, comprises casing 110, cover plate 120, control device 150, multiple measurement mechanism 140, two regulating devices 130 and inspection lamp 160.
The end face of casing 110 is provided with two lug bosses 111, two regulating devices 130 are respectively installed on two lug bosses 111 of casing 110, through-flow fan blade 200 is installed between two regulating devices 130, cover plate 120 is arranged on the surface of casing 110, and be positioned at the below of through-flow fan blade 200, measurement mechanism 140 and control device 150 are respectively installed on cover plate 120, and measurement mechanism 140 is electrically connected with control device 150, and after control device 150 is energized, control and measure device 140 is measured.
The quality of through-flow fan blade 200 is detected by regulating device 130, control device 150 and measurement mechanism 140, regulating device 130 can install the through-flow fan blade 200 of different length, the diametric requirements of through-flow fan blade 200 is detected by measurement mechanism 140, and metrical information is passed to control device 150, control device 150 pairs of metrical informations detect, and then whether the diameter dimension of intelligent decision through-flow fan blade 200 is qualified, improve the qualification rate of the product using the through-flow fan blade 200 after detecting.
As a kind of embodiment, two positions of lug boss 111 on casing 110 are corresponding, ensure that the axis of through-flow fan blade 200 is parallel with cover plate 120.The height of lug boss 111 is installed to the height on casing 110 higher than cover plate 120, two regulating devices 130 are respectively installed on two lug bosses 111.By regulating device 130 being installed on two lug bosses 111 of casing 110, ensure that regulating device 130 can not along the axial float of through-flow fan blade 200 when detecting through-flow fan blade 200.
The shape of lug boss 111 can be unrestricted, only regulating device 130 need be guaranteed to pacify on it.
As a kind of embodiment, each regulating device 130 comprises multiple elastic component 131, multiple web member 132 and baffle plate 133, and elastic component 131 is installed on web member 132, and baffle plate 133 is movably attached on the lug boss 111 of casing 110 by web member 132.Regulating device 130 is played regulatory role by elastic component 131, to adapt to the detection of the through-flow fan blade 200 of different length, has stronger versatility.
Further, baffle plate 133 is provided with through hole, the two ends of through-flow fan blade 200 are respectively installed in two through holes.Through hole on two baffle plates 133 matches with the boss at the two ends of through-flow fan blade 200, and is supported by the multiple elastic components 131 after baffle plate 133, makes baffle plate 133 have mobility, and the through-flow fan blade 200 being applicable to different length is placed, and easy to detect.
Elastic component 131 is installed on lug boss 111 by web member 132, just requires that elastic component 131 is consistent with the quantity of web member 132.In the present embodiment, the quantity of elastic component 131 is four, and elastic component 131 is spring (not shown), and the quantity of web member 132 is also four accordingly, and web member 132 is the device that bolt (not shown) matches with nut (not shown).
Baffle plate 133 is provided with through hole (not shown), bolt is each passed through through hole and spring, and the lug boss 111 of casing 110 is provided with corresponding threaded hole (not shown), bolt is through threaded hole, and by fastening nuts, ensure that regulating device 130 can not produce the play of the axis along through-flow fan blade 200 when detecting.
Further, require that the quantity of the quantity of the quantity of through hole on baffle plate 133, lug boss 111 upper screwed hole of casing 110, the quantity of bolt, the quantity of nut and spring should be consistent, and the position of through hole on baffle plate 133 should be corresponding with the position of lug boss 111 upper screwed hole of casing 110, ensure that the assembling of regulating device 130 coordinates accurately.
As a kind of embodiment, each measurement mechanism 140 comprises two sounding rods 141 and sliding tray 142, sliding tray 142 is installed on cover plate 120, and place with the axes normal of the through hole of the baffle plate 133 in regulating device 130, two sounding rods 141 are installed in sliding tray 142, and mobile in sliding tray 142.
Further, the surface of cover plate 120 is provided with multiple groove (not shown), and groove and through-flow fan blade 200 are arranged in parallel, sliding tray 142 is installed in groove.Certainly, sliding tray 142 also can be fixedly installed on the surface of cover plate 120.
As a kind of embodiment, multiple sliding tray 142 is in column to be distributed on cover plate 120, and is provided with predeterminable range between adjacent two sliding trays 142.Measured the diameter of through-flow fan blade 200 by multiple sounding rod 141, ensure the qualification rate of product.
In the present embodiment, the quantity of measurement mechanism 140 is two, and the quantity of corresponding sliding tray 142 is also two, certainly in order to ensure that measurement result is accurate, can increase the quantity of measurement mechanism 140 accordingly.
Further, sounding rod 141 can move around in sliding tray 142, through-flow fan blade 200 is installed between two sounding rods 141, measured the diameter of through-flow fan blade 200 by the slip of sounding rod 141 in sliding tray 142, therefore require that the distance between two sounding rods 141 is greater than the external diameter of through-flow fan blade 200.
Before measurement, the distance difference between two sounding rods 141 is maximum, and be convenient to through-flow fan blade 200 and be installed in through-flow fan blade of the present invention detection frock 100, distance during measurement between two sounding rods 141 reduces gradually.
As a kind of embodiment, control device 150 comprises power switch 151, inspection lamp switch 153, emergency warning lamp 152 and display screen 154, power switch 151 is electrically connected with emergency warning lamp 152, whether qualifiedly through-flow fan blade 200 is detected by observation emergency warning lamp 152, emergency warning lamp 152 is electrically connected with inspection lamp switch 153, for detecting the quality of through-flow fan blade 200, display screen 154 is electrically connected with emergency warning lamp 152, and the measurement numerical value of sounding rod 141 is shown by display screen 154.
After power switch 151 is energized, control device 150 by electrical signal transfer to measurement mechanism 140, sounding rod 141 in measurement mechanism 140 moves in sliding tray 142, automatically near the both sides of through-flow fan blade 200, when touching through-flow fan blade 200, automatically reset to initial position, diameter dimension is simultaneously transferred on display screen 154, proofread with the diameter dimension of default, coincidence loss requirement, then inspection lamp switch 153 energising lights and can start, if do not meet error requirements, then emergency warning lamp 152 glimmers, inspection lamp switch 153 no power.
As a kind of embodiment, casing 110 is provided with internal cavities, and inspection lamp 160 is installed in the internal cavities of casing 110, places, be positioned at the below of cover plate 120 with the axis being parallel of the through hole of the baffle plate 133 in regulating device 130.
Further, cover plate 120 is provided with passage (not shown), the position of passage on cover plate 120 is corresponding with the position that inspection lamp 160 is installed in the internal cavities of casing 110, and the length of passage and the length of inspection lamp adapt.Detecting lamp is arranged in the internal cavities of casing 110, is radiated on through-flow fan blade 200, to check whether the blade of through-flow fan blade 200 exists slight crack by the passage on cover plate 120.
After the examine of diameter of through-flow fan blade 200 is qualified, inspection lamp switch 153 starts, detection lamp lights, light penetrates from the passage of cover plate 120, impinge upon above the through-flow fan blade 200 placed directly over passage, only need during detection slowly to rotate through-flow fan blade 200, by the transmission of light, can check whether the blade of through-flow fan blade 200 exists slight crack.
In whole operating process, primary controlled condition is the diameter dimension of through-flow fan blade 200, just carries out lower step detection when the most important condition meets.Only need operate according to this logic during detection, can greatly increase work efficiency, avoid flogging a dead horse, improve the quality of through-flow fan blade 200 simultaneously, improve product usability, reduce the rate of complaints after sale.
The through-flow fan blade of foregoing invention detects frock, structural design advantages of simple, the quality of through-flow fan blade is detected by regulating device, control device and measurement mechanism, regulating device can install the through-flow fan blade of different length, the diametric requirements of through-flow fan blade is detected by measurement mechanism, and metrical information is passed to control device, control device detects metrical information, and then whether the diameter dimension of intelligent decision through-flow fan blade is qualified, improve the qualification rate of the product using the through-flow fan blade after detecting.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. through-flow fan blade detects a frock, for detecting the quality of through-flow fan blade, it is characterized in that:
Comprise casing, cover plate, control device, multiple measurement mechanism and two regulating devices;
Described cover plate is arranged on the surface of described casing, and is positioned at the below of through-flow fan blade;
The end face of described casing is provided with two lug bosses;
Two described regulating devices are respectively installed on two described lug bosses of described casing;
Through-flow fan blade is installed between two described regulating devices;
Described measurement mechanism and described control device are respectively installed on described cover plate, and described measurement mechanism is electrically connected with described control device.
2. through-flow fan blade according to claim 1 detects frock, it is characterized in that:
Two positions of described lug boss on described casing are corresponding, and the height of described lug boss is installed to the height on described casing higher than described cover plate.
3. through-flow fan blade according to claim 2 detects frock, it is characterized in that:
Each described regulating device comprises multiple elastic component, multiple web member and baffle plate;
Described elastic component is arranged on described web member;
Described baffle plate is movably attached on the lug boss of described casing by described web member.
4. through-flow fan blade according to claim 3 detects frock, it is characterized in that:
Described baffle plate is provided with through hole;
The two ends of through-flow fan blade are respectively installed in two described through holes.
5. through-flow fan blade according to claim 4 detects frock, it is characterized in that:
Each described measurement mechanism comprises two sounding rods and sliding tray;
Described sliding tray is installed on described cover plate, and places with the axes normal of the through hole of the baffle plate in described regulating device;
Two described sounding rods are installed in described sliding tray, and move in described sliding tray.
6. through-flow fan blade according to claim 5 detects frock, it is characterized in that:
Multiple described sliding tray is in column to be distributed on described cover plate, and is provided with predeterminable range between adjacent two described sliding trays.
7. the through-flow fan blade according to claim 5 or 6 detects frock, it is characterized in that:
Distance between two described sounding rods is greater than the external diameter of through-flow fan blade.
8. through-flow fan blade according to claim 7 detects frock, it is characterized in that:
Described control device comprises power switch, inspection lamp switch, emergency warning lamp and display screen;
Whether described power switch is electrically connected with described emergency warning lamp, qualified by observing described emergency warning lamp detection through-flow fan blade;
Described emergency warning lamp is electrically connected with described inspection lamp switch, for detecting the quality of through-flow fan blade;
Described display screen is electrically connected with described emergency warning lamp, and the measurement numerical value of described sounding rod is shown by described display screen.
9. through-flow fan blade according to claim 8 detects frock, it is characterized in that:
Also comprise inspection lamp;
Described casing is provided with internal cavities;
Described inspection lamp is installed in described internal cavities, places, be positioned at the below of cover plate with the axis being parallel of the through hole of the baffle plate in described regulating device.
10. through-flow fan blade according to claim 9 detects frock, it is characterized in that:
Described cover plate is provided with passage;
The position of described passage on described cover plate is corresponding with the position that described inspection lamp is installed in the internal cavities of described casing;
The length of described passage and the length of described inspection lamp adapt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410030096.6A CN104792292A (en) | 2014-01-22 | 2014-01-22 | Cross-flow fan blade detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410030096.6A CN104792292A (en) | 2014-01-22 | 2014-01-22 | Cross-flow fan blade detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104792292A true CN104792292A (en) | 2015-07-22 |
Family
ID=53557294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410030096.6A Pending CN104792292A (en) | 2014-01-22 | 2014-01-22 | Cross-flow fan blade detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104792292A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596560A (en) * | 2016-12-14 | 2017-04-26 | 江苏大学 | Method for detecting injection molding starving defect of cross-flow fan on basis of laser sensor array as well as device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098195A (en) * | 1993-07-30 | 1995-02-01 | 哈尔滨工业大学 | A kind of high-precision sensor for measuring outside diameter |
| CN201041483Y (en) * | 2007-05-10 | 2008-03-26 | 徐鹏 | Real-time measuring instrument for workpiece |
| CN201449241U (en) * | 2009-05-01 | 2010-05-05 | 衡阳风顺车桥有限公司 | Tool for detecting conicity of conical shaft |
| CN103090783A (en) * | 2013-01-16 | 2013-05-08 | 河南科技大学 | Diameter measurement device for plant stalk |
| EP2642242A1 (en) * | 2012-03-22 | 2013-09-25 | Balance Systems S.r.L. | Feeler for workpieces being machined |
| CN203758486U (en) * | 2014-01-22 | 2014-08-06 | 珠海格力电器股份有限公司 | Cross-flow fan blade detection tool |
-
2014
- 2014-01-22 CN CN201410030096.6A patent/CN104792292A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098195A (en) * | 1993-07-30 | 1995-02-01 | 哈尔滨工业大学 | A kind of high-precision sensor for measuring outside diameter |
| CN201041483Y (en) * | 2007-05-10 | 2008-03-26 | 徐鹏 | Real-time measuring instrument for workpiece |
| CN201449241U (en) * | 2009-05-01 | 2010-05-05 | 衡阳风顺车桥有限公司 | Tool for detecting conicity of conical shaft |
| EP2642242A1 (en) * | 2012-03-22 | 2013-09-25 | Balance Systems S.r.L. | Feeler for workpieces being machined |
| CN103090783A (en) * | 2013-01-16 | 2013-05-08 | 河南科技大学 | Diameter measurement device for plant stalk |
| CN203758486U (en) * | 2014-01-22 | 2014-08-06 | 珠海格力电器股份有限公司 | Cross-flow fan blade detection tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596560A (en) * | 2016-12-14 | 2017-04-26 | 江苏大学 | Method for detecting injection molding starving defect of cross-flow fan on basis of laser sensor array as well as device |
| CN106596560B (en) * | 2016-12-14 | 2019-12-03 | 江苏大学 | A kind of scarce material defect inspection method of through-flow fan blade injection molding and device based on laser sensor array |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203785652U (en) | Electrical core thickness and width test machine | |
| JP2020024706A5 (en) | ||
| CN203615905U (en) | Ceramic tile flatness automatic detection alarm device | |
| CN104089741A (en) | Pressure distribution sensor calibration measuring apparatus | |
| CN201233264Y (en) | Liquid level sensor with thermister probe and liquid level measuring set thereof | |
| CN203758486U (en) | Cross-flow fan blade detection tool | |
| CN104792292A (en) | Cross-flow fan blade detection tool | |
| CN203941181U (en) | Drum rotation speed is measured and warning device | |
| CN106092033A (en) | Flatness automatic detection device | |
| CN205562827U (en) | But equipment that non -contacting pickup removed | |
| CN204177354U (en) | A kind of arc measurement device of heavy caliber monitoring pipeline | |
| CN203811564U (en) | High-precision thermal resistance testing device | |
| CN105866550A (en) | Pantograph carbon slide plate bonding resistor test device | |
| CN205449380U (en) | Pulling force pressure test machine | |
| CN209525343U (en) | A kind of pH detection probe on-line measurement device | |
| CN104567760A (en) | Device for detecting fixed dimension of heating tube | |
| CN204008274U (en) | A kind of composite insulator amount of deflection with wave fatigue detection device | |
| CN203496282U (en) | High-frequency heat-sealing machine capable of automatically monitoring mould horizontality | |
| CN202057289U (en) | Automatic ranging filler gauge | |
| CN205619908U (en) | Photovoltaic module aluminum alloy frame tool | |
| CN206420568U (en) | A kind of online Color Detecting System of yarn based on color mark sensor | |
| CN202092598U (en) | Slice-type hardware flatness testing device | |
| CN205404035U (en) | Pressure transmitter calibrating device | |
| CN207764390U (en) | nut detection device | |
| CN204405795U (en) | LED lamp tube automatic detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |
|
| RJ01 | Rejection of invention patent application after publication |