CN108917606A - A kind of automobile crane axle journal precision measure tooling - Google Patents
A kind of automobile crane axle journal precision measure tooling Download PDFInfo
- Publication number
- CN108917606A CN108917606A CN201810771440.5A CN201810771440A CN108917606A CN 108917606 A CN108917606 A CN 108917606A CN 201810771440 A CN201810771440 A CN 201810771440A CN 108917606 A CN108917606 A CN 108917606A
- Authority
- CN
- China
- Prior art keywords
- automobile crane
- rod
- detection platform
- fixed
- trunnion
- 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.)
- Withdrawn
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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Abstract
A kind of automobile crane axle journal precision measure tooling, including detection platform, the fixed device of forward spindle neck is fixedly installed in detection platform, sliding is provided with the fixed device of rear trunnion in detection platform, the both ends fixation of detection platform sets up forward support post and rear support strut, it is fixedly installed with testing stand on forward support post and rear support strut, measurement bay is arranged in parallel with detection platform, and sliding is provided with measuring rod on testing stand；The measuring rod includes loop bar, the bottom of loop bar is equipped with reflecting plate, loop bar is slidably socketed on motion bar, one end of the motion bar is rotatably connected to transmission shaft, one end of the other end rotation connection connecting rod of transmission shaft, the other end connecting substrate of connecting rod corresponds to reflecting plate on substrate and is provided with laser range finder.The present invention can the processing quality disposably to the trunnion of automobile crane and rod journal detect, testing result is accurate, can be avoided the detection error that artificial detection is easy to appear, the effective guarantee quality requirement of automobile crane.
Description
Technical field
The invention belongs to auto parts and components cubing fields, specifically, being related to a kind of automobile crane axle journal precision measure tooling.
Background technique
With the development of social progress and science and technology, automobile also becomes a kind of common walking-replacing tool, people from luxury goods
Demand with automobile is also greatly improved, this has also directly facilitated the fast development of auto manufacturing, increases automobile manufacture row
The competition intensity of industry, in order to promote competitiveness, it is necessary to promote safety and the comfort of automobile, it is therefore desirable to zero, automobile
The quality of part is rigid in checking up.
Automobile crane is the important driving member in car transmissions, and automobile crane, can be by gas after connecting with connecting rod
The cylinder piston moves the rotary motion for being converted to wheel shaft repeatedly up and down, and to drive motor racing, the quality of automobile crane is also direct
The stability of automobilism is influenced, the position between position, adjacent trunnion on automobile crane between adjacent links axle journal
It sets, the relative position of the surface shape of rod journal and trunnion and front and back trunnion, these are all the projects for needing to detect,
To prevent in the actual production process, underproof substandard products are mixed into qualified finished product, influence the biography for the automobile that the later period is assembled into
The normal table work of dynamic system, or even the danger of contingency is generated, in order to solve this problem, providing one kind can be to vapour
The tooling that the structure of vehicle crankshaft is precisely detected, the present invention provides following technical schemes.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile crane axle journal precision measure toolings.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of automobile crane axle journal precision measure tooling, including detection platform are fixedly installed with forward spindle in detection platform
Neck fixes device, and sliding is provided with the fixed device of rear trunnion in detection platform, and the both ends fixation of detection platform sets up preceding branch
It is fixedly installed with testing stand on dagger and rear support strut, forward support post and rear support strut, measurement bay is arranged in parallel with detection platform,
Sliding is provided with measuring rod on testing stand；
Main axis fixing device includes the fixed device of forward spindle neck, motor base and driving motor, the forward spindle after described
The fixed device of neck includes fixed block, is rotatably connected to fixed cylinder by bearing on fixed block, is provided with fixing threaded hole in fixed cylinder, Gu
One end of safety barrel is connected with the shaft of driving motor, and driving motor is fixedly mounted on motor base, motor base and fixed block
It connects, the fixed device of an individual forward spindle neck is further fixedly arranged in the detection platform；
The measuring rod includes loop bar, and slide plate is fixed on the outer wall of loop bar, and measuring rod is being examined by slide plate slides setting
It surveys on frame, the bottom of loop bar is equipped with reflecting plate, and loop bar is socketed on motion bar, and motion bar and loop bar sliding are arranged, the work
One end of lever is rotatably connected to transmission shaft, one end of the other end rotation connection connecting rod of transmission shaft, the other end of connecting rod
Connecting substrate, the bottom of substrate are provided with two panels clamping plate, and clamping plate is process by spring steel, and clamping screw hole, institute are provided on clamping plate
It states and corresponds to reflecting plate on substrate and be provided with laser range finder.
As further scheme of the invention, reflecting plate is arranged in parallel with detection platform, and connecting rod is arranged perpendicular to substrate,
Substrate detection platform is arranged in parallel.
As further scheme of the invention, the junction of connecting rod and substrate is fixedly installed reinforcement block.
As further scheme of the invention, the measurement bay includes frame board, the formation open at one end insertion of frame board
Slot, the two sides of insertion groove are backing plate, are provided with kidney slot on backing plate, after the loop bar of measuring rod partially passes through insertion groove, slide plate is set up
On backing plate, measuring rod is fixed on measurement bay by bolt.
As further scheme of the invention, the detection method of the measurement tooling includes the following steps：
The both ends of automobile crane to be detected are rotatably installed in rear main axis fixing device and the fixed dress of forward spindle neck respectively
It sets, and measuring rod is correspondingly arranged according to the quantity of trunnion and rod journal on automobile crane to be detected, and by measuring rod
The clamping plate of bottom clamps on corresponding trunnion or rod journal, and driving motor starting at this time drives automobile crane rotation, automobile
The motion bar that crankshaft also will drive several measuring rods is done to be moved repeatedly up and down, is swashed on the measuring rod by adjacent connection trunnion
The quantity difference A of optar detection has found and judges the mismachining tolerance of trunnion, passes through adjacent connection rod journal
The quantity difference B that laser range finder detects on measuring rod has found and judges the mismachining tolerance of rod journal.
Beneficial effects of the present invention:The present invention can disposably to the trunnion of automobile crane and rod journal processing matter
Amount is detected, and testing result is accurate, can be avoided the detection error that artificial detection is easy to appear, and effective guarantee automobile is bent
The quality requirement of axis.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of measuring rod；
Fig. 3 is the structural schematic diagram of testing stand；
Fig. 4 is the structural schematic diagram of the fixed device of trunnion.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
A kind of automobile crane axle journal precision measure tooling is fixed in detection platform 1 as shown in Figure 1, including detection platform 1
The fixed device 4 of forward spindle neck is installed, is slided in detection platform 1 and is provided with the fixed device 5 of rear trunnion, the two of detection platform 1
End is fixed to set up forward support post 11 and rear support strut 12, is fixedly installed with testing stand 2 on forward support post 11 and rear support strut 12,
Measurement bay 2 is arranged in parallel with detection platform 1, and sliding is provided with measuring rod 3 on testing stand 2.
Main axis fixing device 5 includes the fixed device 4 of forward spindle neck, motor base 51 and driving motor 52 after described, such as Fig. 4
Shown, the fixed device 4 of the forward spindle neck includes fixed block 41, is rotatably connected to fixed cylinder 42 by bearing on fixed block 41,
It is provided with fixing threaded hole 43 in fixed cylinder 42, when work, the rear main shaft of automobile crane is inserted into fixed cylinder 42, by bolt by automobile
One end of crankshaft is fixed, and one end of the fixed cylinder 42 is connected with the shaft of driving motor 52, and driving motor 52 is fixedly mounted on
On motor base 51, motor base 51 is connect with fixed block 41, before one is further fixedly arranged in the detection platform 1 individually
Trunnion fixes device 4, the forward spindle neck of the fixed device 4 of forward spindle neck and rear main axis fixing device 5 difference fixed car crankshaft
With rear trunnion.
As shown in Fig. 2, the measuring rod 3 includes loop bar 31, it is fixed with slide plate 33 on the outer wall of loop bar 31, is opened on slide plate 33
There is limit screw hole 34, entire measuring rod 3 is slidably arranged on testing stand 22 by slide plate 33, and the bottom of loop bar 31 is also equipped with instead
Plate 35 is penetrated, reflecting plate 35 is arranged in parallel with detection platform 1, and loop bar 31 is socketed on motion bar 32, and motion bar 32 and loop bar 31 are sliding
Dynamic setting, one end of the motion bar 32 are rotatably connected to transmission shaft 311, and the other end of transmission shaft 311 is rotatablely connected connecting rod
312 one end, the other end connecting substrate 36 of connecting rod 312, connecting rod 312 are arranged perpendicular to substrate 36, and the detection of substrate 36 is flat
Platform 1 is arranged in parallel, and the junction of connecting rod 312 and substrate 36 is fixedly installed reinforcement block 39, and the setting of reinforcement block 39 can have
Effect prevents after prolonged work, and angle deviates between connecting rod 312 and substrate 36, and the bottom of substrate 36 is provided with two
Piece clamping plate 37, clamping plate 37 are formed by spring steel processing and fabricating, are provided on clamping plate 37 and are clamped screw hole 310, by clamping plate 37 by connecting rod
Axle journal and trunnion are bolted position after clamping, and correspond to reflecting plate 35 on the substrate 36 and are provided with laser range finder
38, when work, laser range finder 38 emits laser to reflecting plate 35, to measure the luminous point and reflecting plate of laser range finder 38
The distance between 35.
As shown in figure 3, the measurement bay 2 includes frame board 21, the formation insertion groove 24 open at one end of frame board 21, insertion
The two sides of slot 24 are backing plate 22, are provided with kidney slot 23 on backing plate 22, and when work, the loop bar 31 of measuring rod 3 partially passes through insertion groove
After 24, slide plate 33 is ridden upon on backing plate 22, can be by bolt by measuring rod 3 after measuring rod 3 is moved to suitable position
It is fixed on measurement bay 2.
A kind of detection method of automobile crane axle journal precision measure tooling of the present invention, includes the following steps：
The both ends of automobile crane to be detected are rotatably installed in rear main axis fixing device 5 and the fixed dress of forward spindle neck respectively
It sets on 4, and measuring rod 3 is correspondingly arranged according to the quantity of trunnion and rod journal on automobile crane to be detected, and will measurement
The clamping plate 37 of 3 bottom of bar clamps on corresponding trunnion or rod journal, and the starting of driving motor 52 at this time drives automobile crane to turn
Dynamic, the motion bar 32 that automobile crane also will drive several measuring rods 3 is done to be moved repeatedly up and down, passes through adjacent connection trunnion
The quantity difference A that laser range finder 38 detects on measuring rod 3 has found and judges the mismachining tolerance of trunnion, passes through adjacent company
On the measuring rod 3 of connective pole axle journal laser range finder 38 detect quantity difference B come find and judge rod journal processing miss
Difference.
The present invention can the processing quality disposably to the trunnion of automobile crane and rod journal detect, detection knot
Fruit is accurate, can be avoided the detection error that artificial detection is easy to appear, the effective guarantee quality requirement of automobile crane.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (5)
1. a kind of automobile crane axle journal precision measure tooling, which is characterized in that solid in detection platform (1) including detection platform (1)
Dingan County is fixed device (4) equipped with forward spindle neck, and sliding is provided with rear trunnion and fixes device (5) in detection platform (1), and detection is flat
The both ends of platform (1), which are fixed, sets up forward support post (11) and rear support strut (12), on forward support post (11) and rear support strut (12)
It is fixedly installed with testing stand (2), measurement bay (2) is arranged in parallel with detection platform (1), and sliding is provided with measurement on testing stand (2)
Bar (3)；
Main axis fixing device (5) includes forward spindle neck fixed device (4), motor base (51) and driving motor (52) after described,
The forward spindle neck fixed device (4) includes fixed block (41), is rotatably connected to fixed cylinder by bearing on fixed block (41)
(42), it is provided with fixing threaded hole (43) in fixed cylinder (42), one end of fixed cylinder (42) is connected with the shaft of driving motor (52), drives
Dynamic motor (52) are fixedly mounted on motor base (51), and motor base (51) is connect with fixed block (41), the detection platform
(1) it is fixed device (4) that an individual forward spindle neck is further fixedly arranged on；
The measuring rod (3) includes loop bar (31), is fixed on the outer wall of loop bar (31) slide plate (33), and measuring rod (3) passes through cunning
Plate (33) is slidably arranged on testing stand (22), and the bottom of loop bar (31) is equipped with reflecting plate (35), and loop bar (31) is socketed in work
In lever (32), motion bar (32) and loop bar (31) sliding are arranged, and one end of the motion bar (32) is rotatably connected to transmission shaft
(311), one end of other end rotation connection connecting rod (312) of transmission shaft (311), the other end linker of connecting rod (312)
Plate (36), the bottom of substrate (36) are provided with two panels clamping plate (37), and clamping plate (37) is process by spring steel, and clamping plate is opened on (37)
Have clamping screw hole (310), corresponds to reflecting plate (35) on the substrate (36) and be provided with laser range finder (38).
2. a kind of automobile crane axle journal precision measure tooling according to claim 1, which is characterized in that reflecting plate (35) with
Detection platform (1) is arranged in parallel, and connecting rod (312) is arranged perpendicular to substrate (36), and substrate (36) detection platform (1) is set in parallel
It sets.
3. a kind of automobile crane axle journal precision measure tooling according to claim 1, which is characterized in that connecting rod (312)
Reinforcement block (39) are fixedly installed with the junction of substrate (36).
4. a kind of automobile crane axle journal precision measure tooling according to claim 1, which is characterized in that the measurement bay
It (2) include frame board (21), the formation insertion groove (24) open at one end of frame board (21), the two sides of insertion groove (24) are backing plate
(22), it is provided with kidney slot (23) on backing plate (22), after the loop bar (31) of measuring rod (3) partially passes through insertion groove (24), slide plate
(33) it rides upon on backing plate (22), measuring rod (3) is fixed on measurement bay (2) by bolt.
5. a kind of automobile crane axle journal precision measure tooling according to claim 1, which is characterized in that the measurement tooling
Detection method includes the following steps：
The both ends of automobile crane to be detected are rotatably installed in rear main axis fixing device (5) and the fixed device of forward spindle neck respectively
(4) it on, and is correspondingly arranged measuring rod (3), and will surveyed according to the quantity of trunnion and rod journal on automobile crane to be detected
The clamping plate (37) of gauge rod (3) bottom clamps on corresponding trunnion or rod journal, and driving motor (52) starting at this time drives vapour
Vehicle crank rotation, the motion bar (32) that automobile crane also will drive several measuring rods (3) is done to be moved repeatedly up and down, by adjacent
The quantity difference A of laser range finder (38) detection on the measuring rod (3) of trunnion is connected to find and judge the processing of trunnion
Error, by the measuring rod (3) of adjacent connection rod journal laser range finder (38) detect quantity difference B come find with
Judge the mismachining tolerance of rod journal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771440.5A CN108917606A (en) | 2018-07-13 | 2018-07-13 | A kind of automobile crane axle journal precision measure tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771440.5A CN108917606A (en) | 2018-07-13 | 2018-07-13 | A kind of automobile crane axle journal precision measure tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108917606A true CN108917606A (en) | 2018-11-30 |
Family
ID=64411982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810771440.5A Withdrawn CN108917606A (en) | 2018-07-13 | 2018-07-13 | A kind of automobile crane axle journal precision measure tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108917606A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380469A (en) * | 2020-04-29 | 2020-07-07 | 鄂尔多斯市君正能源化工有限公司 | Automatic measuring device and method for electrode paste height of submerged arc furnace |
| CN111982053A (en) * | 2020-09-13 | 2020-11-24 | 濮阳职业技术学院 | Engineering operation console based on electric automation control and control method thereof |
| CN112595248A (en) * | 2020-12-23 | 2021-04-02 | 莱芜环球汽车零部件有限公司 | Automobile crankshaft journal precision measuring equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5914447A (en) * | 1982-07-14 | 1984-01-25 | Sumitomo Metal Ind Ltd | Crankshaft measuring jig |
| CN101430199A (en) * | 2007-11-05 | 2009-05-13 | 黄广军 | Method and apparatus for monitoring soft soil base sedimentation |
| CN202092603U (en) * | 2011-05-19 | 2011-12-28 | 山东省特种设备检验研究院济宁分院 | Hydraulic cylinder retraction amount laser detection device |
| CN103047917A (en) * | 2012-12-21 | 2013-04-17 | 浙江龙纪汽车零部件有限公司 | Simple gear shaft tooth space radial run-out detection device |
| CN205880215U (en) * | 2016-06-21 | 2017-01-11 | 中交天航港湾建设工程有限公司 | Based on boats and ships platform truck trip distance monitoring devices |
| CN106352794A (en) * | 2016-10-31 | 2017-01-25 | 郑州铁路职业技术学院 | Automatic detecting instrument for railway vehicle wheel shaft concentricity |
| CN206141855U (en) * | 2016-09-23 | 2017-05-03 | 美迪斯智能装备有限公司 | Connecting bridge operating system synchronous detection device |
| CN106839947A (en) * | 2017-03-07 | 2017-06-13 | 重庆市云阳曲轴有限责任公司 | Connecting rod deviation angle detection means |
| CN107514965A (en) * | 2017-08-23 | 2017-12-26 | 安徽江淮汽车集团股份有限公司 | A kind of crank spindle roundness and bent axle coaxiality error detection means |
-
2018
- 2018-07-13 CN CN201810771440.5A patent/CN108917606A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5914447A (en) * | 1982-07-14 | 1984-01-25 | Sumitomo Metal Ind Ltd | Crankshaft measuring jig |
| CN101430199A (en) * | 2007-11-05 | 2009-05-13 | 黄广军 | Method and apparatus for monitoring soft soil base sedimentation |
| CN202092603U (en) * | 2011-05-19 | 2011-12-28 | 山东省特种设备检验研究院济宁分院 | Hydraulic cylinder retraction amount laser detection device |
| CN103047917A (en) * | 2012-12-21 | 2013-04-17 | 浙江龙纪汽车零部件有限公司 | Simple gear shaft tooth space radial run-out detection device |
| CN205880215U (en) * | 2016-06-21 | 2017-01-11 | 中交天航港湾建设工程有限公司 | Based on boats and ships platform truck trip distance monitoring devices |
| CN206141855U (en) * | 2016-09-23 | 2017-05-03 | 美迪斯智能装备有限公司 | Connecting bridge operating system synchronous detection device |
| CN106352794A (en) * | 2016-10-31 | 2017-01-25 | 郑州铁路职业技术学院 | Automatic detecting instrument for railway vehicle wheel shaft concentricity |
| CN106839947A (en) * | 2017-03-07 | 2017-06-13 | 重庆市云阳曲轴有限责任公司 | Connecting rod deviation angle detection means |
| CN107514965A (en) * | 2017-08-23 | 2017-12-26 | 安徽江淮汽车集团股份有限公司 | A kind of crank spindle roundness and bent axle coaxiality error detection means |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380469A (en) * | 2020-04-29 | 2020-07-07 | 鄂尔多斯市君正能源化工有限公司 | Automatic measuring device and method for electrode paste height of submerged arc furnace |
| CN111380469B (en) * | 2020-04-29 | 2021-10-26 | 鄂尔多斯市君正能源化工有限公司 | Automatic measuring device and method for electrode paste height of submerged arc furnace |
| CN111982053A (en) * | 2020-09-13 | 2020-11-24 | 濮阳职业技术学院 | Engineering operation console based on electric automation control and control method thereof |
| CN111982053B (en) * | 2020-09-13 | 2022-04-12 | 濮阳职业技术学院 | Engineering operation console based on electric automation control and control method thereof |
| CN112595248A (en) * | 2020-12-23 | 2021-04-02 | 莱芜环球汽车零部件有限公司 | Automobile crankshaft journal precision measuring equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108917606A (en) | A kind of automobile crane axle journal precision measure tooling | |
| CN113916087B (en) | Positioning measurement tool and positioning measurement method for ship equipment base | |
| CN110230988B (en) | Wheel hub detection device | |
| CN101082556A (en) | Portable vehicle exterior cladding element deformation stiffness tester | |
| CN104142331A (en) | Machine vision detection system for standard fasteners | |
| CN105403148A (en) | Measurement apparatus of center position accuracy of all journals of crank shaft, and measurement and calibration methods thereof | |
| CN108693635A (en) | The light conversion device and design method of automotive upholstery surface blemish on-line checking | |
| CN211668449U (en) | High-precision profile detection device for steel rail | |
| CN204064926U (en) | Standard fasteners Machine Vision Inspecting System | |
| CN104237248A (en) | Machine vision detection mechanism for standard fasteners | |
| CN108844433B (en) | Quality detection tool for pin holes of main journal at front end and rear end of automobile crankshaft | |
| CN201917461U (en) | Small-size long-base-line-distance stereoscopic vision detecting system for automobile wheel alignment parameter | |
| CN107339967B (en) | Roundness measuring instrument | |
| CN109226646A (en) | The rivet of autoplugger riveting enters hole and heading height online test method and device | |
| CN208601181U (en) | A kind of metal plate aperture detection jig | |
| CN204064929U (en) | Standard fasteners detects and send part and anti-drop device | |
| CN204064942U (en) | That detects for standard fasteners send part and indexing rotary table mechanism | |
| CN210154504U (en) | Special gauge for shape and position tolerance of piston pin hole | |
| CN204064931U (en) | Standard fasteners machine vision detection device | |
| CN104764386A (en) | Vehicle instrument checking tool | |
| CN204064943U (en) | Standard fasteners send part and vision-based detection mechanism | |
| CN204064938U (en) | For the device of examination criteria securing member | |
| CN204064940U (en) | For the system that standard fasteners detects | |
| CN219736234U (en) | Novel parking pawl profile degree detects frock | |
| CN104181166A (en) | Mechanism for detecting standard fastener |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201202 Address after: Room 1-2302, Fengshang International Apartment, 727 Changjiang West Road, Hefei High-tech Zone, Anhui Province Applicant after: ANHUI WEISHIYANG INFORMATION TECHNOLOGY Co.,Ltd. Address before: 230601 Anhui Hefei economic and Technological Development Zone, Hefei City, A, building 508 rooms Applicant before: ANHUI YUEZHONG AUTO BODY EQUIPMENT Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181130 |
|
| WW01 | Invention patent application withdrawn after publication |