CN112007871B - Sealing ring falling detection tool for turbocharger - Google Patents
Sealing ring falling detection tool for turbocharger Download PDFInfo
- Publication number
- CN112007871B CN112007871B CN202011151726.7A CN202011151726A CN112007871B CN 112007871 B CN112007871 B CN 112007871B CN 202011151726 A CN202011151726 A CN 202011151726A CN 112007871 B CN112007871 B CN 112007871B
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- positioning seat
- ring
- sealing ring
- detection tool
- intermediate body
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- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 230000003028 elevating effect Effects 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a sealing ring falling detection tool for a turbocharger, which comprises an intermediate body and an assembly formed by a turbine shaft body, wherein the turbine shaft body is assembled and connected with a shaft hole of the intermediate body through an upper sealing ring and a lower sealing ring; the detector is arranged on the outer side of the lower part of the positioning seat to detect the exposed lower sealing ring; during detection, the exposed length of the lower sealing ring is less than or equal to the height of the lower sealing ring. The invention provides a sealing ring falling detection tool for a turbocharger, which is used for detecting a sealing ring between a turbine shaft body and an intermediate body so as to determine whether the sealing ring falls and further ensure the effect of improving the maximum power of the turbocharger.
Description
Technical Field
The invention relates to the field of detection tools, in particular to a sealing ring falling detection tool for a turbocharger.
Background
In the turbocharger, the connection sealing of the turbine shaft body and the intermediate body has very important significance for improving the maximum power of the turbocharger, and in the assembly connection of the traditional turbine shaft body and the shaft hole of the intermediate body, the condition that the turbine shaft body and the intermediate body are not matched in place is easily caused, the installation of the turbine shaft body and the intermediate body in the turbocharger is not facilitated, the conditions that the sealing connection is incomplete and the sealing is not in place are easily caused, and the adverse factors for improving the maximum power of the turbocharger cause the condition that the improved maximum power is smaller.
Therefore, the technical scheme of adopting an upper sealing ring and a lower sealing ring to realize the assembly connection between the turbine shaft body and the intermediate shaft hole appears in the market. However, in the actual assembly process, since the upper seal ring is assembled first and there is a gap between the turbine shaft body and the intermediate shaft hole, the upper seal ring can be ensured to be installed in place, but the lower seal ring may fall off during the assembly process, which may result in the performance of the turbocharger being reduced. Therefore, whether the lower sealing ring falls or not needs to be detected in the connection process of the turbine shaft body and the intermediate body so as to ensure the good performance of the turbocharger.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: detect the sealing ring between turbine shaft body and the midbody to confirm whether dropping of sealing ring, and then guarantee that the sealing ring that is used for turbo charger of the effect that turbo charger promoted maximum power drops and detects the frock.
The technical scheme adopted by the invention for solving the problems is as follows: a sealing ring falling detection tool for a turbocharger comprises an intermediate body and an assembly formed by a turbine shaft body, wherein a turbine shaft body is assembled and connected with a shaft hole of the intermediate body through an upper sealing ring and a lower sealing ring; the detector is arranged on the outer side of the lower part of the positioning seat to detect the exposed lower sealing ring; during detection, the exposed length of the lower sealing ring is less than or equal to the height of the lower sealing ring.
Compared with the prior art, the invention has the advantages that: adopt two seal rings to carry out sealing connection to the turbine axis body and midbody, can make the turbine axis body better with the sealing connection effect of midbody, and simultaneously, in the testing process, only stretch out the height of shaft hole and the exposed length less than or equal to lower seal ring of lower seal ring near the lower sealing ring of axle head portion, not shift out the shaft hole with lower seal ring completely promptly and detect, can make lower seal ring easily reset after detecting the completion, because two seal rings and midbody are for guaranteeing sealed effect, adopt the tight fit to be connected, after the lower seal ring breaks away from the shaft hole completely, in the shaft hole will be difficult for getting back to again to the lower seal ring, and the design of two seal rings, can make when detecting, go up the seal ring still in the shaft hole, help lower seal ring to return to the position in the shaft hole again.
As an improvement of the invention, the joint of the intermediate body and the positioning seat is provided with an annular buffer sheet, the outer ring of the buffer sheet is fixed between the intermediate body and the positioning seat, the inner ring of the buffer sheet is sleeved on the outer wall of the shaft hole of the intermediate body, in the process of detecting the sealing ring, the positioning of the intermediate body is realized by the matching of the intermediate body and the positioning seat, thereby realizing the positioning of the turbine shaft body and the sealing ring, adopting automatic detection in the detection process of the sealing ring, when the intermediate body is matched with the positioning seat, the intermediate body is easy to be rigidly collided with the positioning seat, thereby causing the deformation or damage of the intermediate body, being not beneficial to the subsequent installation of the intermediate body and the detection accuracy of the sealing ring, and through the design of buffer plate, can reduce the impact force between midbody and the positioning seat, avoid the rigid collision of midbody and positioning seat.
As an improvement of the invention, a first step is further arranged at the joint of the intermediate body and the positioning seat, the intermediate body and the positioning seat are positioned through the first step, the outer ring of the buffer sheet and the intermediate body are obliquely arranged, the outer ring of the buffer sheet and the positioning seat are obliquely arranged, one side of the outer ring of the buffer sheet is abutted against the intermediate body, the other side of the outer ring of the buffer sheet is abutted against the positioning seat, through the improvement, the first step is used as a final positioning structure of the intermediate body and the positioning seat, when the intermediate body is placed on the positioning seat, the first step does not reach the positioning position, the intermediate body is firstly contacted with the positioning seat through the buffer sheet, and the buffer sheet is used for damping and buffering, so that the impact force between the intermediate body and the positioning seat is reduced, the purpose of deformation in the connection process of the intermediate body and the positioning seat is avoided, and after the intermediate body, the buffer sheet still does not reach the buffering limit, the positioning effect of the intermediate body and the positioning seat cannot be influenced, and the rebound effect of the buffer sheet is also beneficial to the separation work of the intermediate body and the positioning seat after the subsequent detection is finished.
As an improvement of the invention, an ejector rod is vertically arranged on the positioning seat, the ejector rod is connected in the positioning seat in a limiting and moving way, one end of the ejector rod is matched and positioned with a hole on the intermediate body, a sensor is arranged at the other end of the ejector rod, a spring is arranged in the positioning seat, one end of the spring is abutted against the ejector rod, and the other end of the spring is abutted against the positioning seat, through the improvement, the positioning between the intermediate body and the positioning seat can be further ensured through the matching of the ejector rod and the intermediate body, the detection accuracy is ensured, and the ejector rod is connected in the positioning seat in a moving way through the spring, so that the condition that the intermediate body and the ejector rod are interfered when the intermediate body is not accurately installed on the positioning seat, and the intermediate body or the ejector rod is damaged can be avoided, and at the, the sensor can feed back the situation that the intermediate body and the positioning seat are not accurately positioned.
As an improvement of the invention, the positioning seat comprises a fixing ring and a base, the base and the fixing ring are designed in a split mode, the fixing ring is connected to the upper end of the base, an avoiding cavity for a clamping mechanism to penetrate through is formed in the base, and the fixing ring is fixedly connected with the side walls on the two sides of the avoiding cavity.
As an improvement of the invention, a second step is arranged at the joint of the intermediate body and the inner ring of the buffer sheet, the inner ring of the buffer sheet is abutted against the second step, the inner ring of the buffer sheet and the second step are obliquely arranged, the connection relation of the intermediate body and the buffer sheet is ensured through the improvement, when the intermediate body is installed on the positioning seat, the buffer sheet can also play a role in protecting the intermediate body and guiding, when the outer ring of the buffer sheet provides a damping and buffering function, the inner ring of the obliquely arranged buffer sheet can be abutted against the second step, so that the position accuracy of the intermediate body is higher, and further, when in detection, the detection structure is more accurate.
As a further improvement of the invention, the lifting platform is driven by a second power source to move up and down, an upper limit block is arranged above the lifting platform, a lower limit block is arranged below the lifting platform, the lower limit block is fixedly connected to the guide post, the lifting platform is provided with a guide hole movably connected with the guide post, through the improvement, the accuracy of the moving distance of the clamping mechanism can be ensured when the clamping mechanism clamps the turbine shaft body to move, the lower limit block is designed to avoid the phenomenon that the sealing ring moving distance required to be detected is too large and completely separates from the shaft hole, the upper limit block is designed to avoid the phenomenon that the turbine shaft body loads the intermediate body to jack up when the sealing ring is reset, and the guide post and the guide hole are designed to ensure that the lifting platform moves vertically and the inclination of the lifting platform is avoided, the accuracy of fixture centre gripping is guaranteed, the dynamics of assurance centre gripping avoids appearing the condition that the centre gripping skidded.
The clamping mechanism comprises a first power source and two clamping jaws, the two clamping jaws are driven by the first power source to clamp and release the turbine shaft body, a plurality of chutes are formed in the first power source, the clamping jaws are movably connected to the plurality of chutes, and through the improvement, the clamping mechanism needs high accuracy when clamping the turbine shaft body to move, the purpose that the local area of the sealing ring is separated from the shaft hole needs to be guaranteed, the clamping jaws can be prevented from inclining due to the matching design of the plurality of chutes, the moving accuracy of the clamping jaws is guaranteed, the direction accuracy during clamping the turbine shaft body is guaranteed, the clamping force is guaranteed, and the clamping and slipping situation is avoided.
As a further improvement of the present invention, the detector is a correlation laser sensor, the emitting end and the receiving end of the detector are respectively disposed at two sides of the positioning seat, and the detecting light of the detector is detected along the lower surface of the intermediate body, by the improvement, when the sealing ring is detected, the detecting light is not directly opposite to the center of the sealing ring, and the sealing ring is also a metal member, and by adopting the reflection type sensor, it is difficult to form an accurate feedback result, and the detecting light of the detector is detected along the lower surface of the intermediate body, so that the sealing ring which is only partially separated from the shaft hole can be detected.
The invention also provides an improvement that one end of the shaft hole close to the shaft head is provided with a chamfer, the outer diameter of the chamfer is larger than the diameter of the sealing ring, the depth of the chamfer is smaller than the distance between two connected sealing rings, the outer diameter of the chamfer is larger than the diameter of the sealing ring, the sealing ring can be conveniently reset after detection is finished, the depth of the chamfer is smaller than the distance between the two connected sealing rings, the shaft hole is ensured to be enlarged by the sealing ring, and the detected sealing ring can be reset more easily after detection is finished.
Drawings
Fig. 1 is a schematic structural diagram of the whole structure of the invention.
Fig. 2 is a schematic side view of the overall structure of the present invention.
FIG. 3 is a schematic top view of the overall structure of the present invention (with intermediate body and turbine shaft removed).
FIG. 4 is a schematic sectional view of the intermediate body and the turbine shaft body according to the present invention.
FIG. 5 is an enlarged view of the structure of the portion I in FIG. 4 according to the present invention.
FIG. 6 is a schematic diagram of the position structure of the sealing ring during the detection of the present invention (the dotted line is the auxiliary line of the detection light).
FIG. 7 is a schematic top view of the relative position between the detector and the sealing ring during the detection of the present invention (the dotted line is the auxiliary line of the detection light).
Shown in the figure: 1. the positioning seat, 1.1, the cavity, 1.2, the ejector pin, 1.3, the sensor, 1.4, the spring, 1.5, the base, 1.6, the solid fixed ring, 1.7, dodge the chamber, 1.8, the locating piece, 2, the midbody, 2.1, the shaft hole, 2.1.1, the chamfer, 2.2, first step, 2.3, the second step, 3, the turbine axis body, 3.1, the journal nose, 4, the lower seal ring, 5, the elevating platform, 6, the fixture, 6.1, the clamping jaw, 6.2, the first power supply, 6.3, the spout, 7, the detector, 8, the buffer piece, 8.1, the outer loop, 8.2, the inner ring, 9, the second power supply, 10, the upper limit piece, 11, the lower limit piece, 12, the guide post.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings.
As shown in fig. 1-2, a seal ring drop detection tool for a turbocharger comprises a middle body 2 and a component formed by a turbine shaft body 3, wherein the turbine shaft body 3 is assembled and connected with a shaft hole 2.1 of the middle body 2 through an upper seal ring and a lower seal ring, the detection tool comprises a positioning seat 1 for placing the middle body 2, a lifting table 5 and a detector 7, a cavity 1.1 for accommodating a shaft head part 3.1 of the turbine shaft body 3 is arranged in the middle of the positioning seat 1, a clamping mechanism 6 for clamping the shaft head part 3.1 of the turbine shaft body 3 is arranged on the lifting table 5, and the lifting table 5 is used for driving the clamping mechanism 6 to move downwards so that the turbine shaft body 3 moves downwards for a certain distance to expose a lower seal ring 4; the detector 7 is arranged on the outer side of the lower part of the positioning seat 1 to detect the exposed lower sealing ring 4; as shown in fig. 6, during the detection, the exposed length of the lower seal ring 4 is less than or equal to the height of the lower seal ring 4.
As shown in fig. 4-6, an annular buffer sheet 8 is disposed at a joint of the intermediate body 2 and the positioning seat 1, an outer ring 8.1 of the buffer sheet 8 is fixed between the intermediate body 2 and the positioning seat 1, an inner ring 8.2 of the buffer sheet 8 is sleeved on an outer wall of a shaft hole 2.1 of the intermediate body 2, a first step 2.2 is further disposed at the joint of the intermediate body 2 and the positioning seat 1, the intermediate body 2 and the positioning seat 1 are positioned by the first step 2.2, the outer ring 8.1 of the buffer sheet 8 and the intermediate body 2 are obliquely disposed, the outer ring 8.1 of the buffer sheet 8 and the positioning seat 1 are obliquely disposed, one side of the outer ring 8.1 of the buffer sheet 8 is abutted against the intermediate body 2, the other side of the outer ring 8.1 of the buffer sheet 8 is abutted against the positioning seat 1, a push rod 1.2 is vertically disposed on the positioning seat 1, the push rod 1.2 is connected in the positioning seat 1 in a limiting and moving manner, one end of the, be equipped with spring 1.4 in the positioning seat 1, the one end and the ejector pin 1.2 of spring 1.4 offset, the other end and the positioning seat 1 of spring 1.4 offset, midbody 2 is equipped with second step 2.3 with the junction of the inner ring 8.2 of buffer chip 8, the inner ring 8.2 of buffer chip 8 offsets with second step 2.3, the inner ring 8.2 of buffer chip 8 is the slope setting with second step 2.3, through the location of first step 2.2 with positioning seat 1, through the tight correction of the support between the inner ring of buffer chip 8 and midbody 2, can make the axiality between midbody 2 and the positioning seat 1 higher, it is more accurate to make the detection.
As shown in fig. 3 and 4, the positioning seat 1 includes a fixing ring 1.6 and a base 1.5, the base 1.5 and the fixing ring 1.6 are designed in a split manner, the fixing ring 1.6 is connected to the upper end of the base 1.5, the base 1.5 is provided with an avoiding cavity 1.7 for the clamping mechanism 6 to pass through, the fixing ring 1.6 is simultaneously and fixedly connected to the side walls on both sides of the avoiding cavity 1.7, as shown in fig. 1 and 2, in order to ensure that the intermediate body 2 can be installed on the positioning seat 1 more quickly and accurately, the side surface of the intermediate body 2 has a planar characteristic, a planar design is also performed on the fixing ring 1.6 at a corresponding position, so that the two planes are coplanar, and a positioning block 1.8 for positioning the two planes is fixedly connected to the plane of the fixing ring 1.6, so that the intermediate body 2 can be installed on the positioning seat.
As shown in fig. 1-2, the elevating platform 5 moves up and down by the drive of the second power source 9, the upper limit block 10 is arranged above the elevating platform 5, the lower limit block 11 is arranged below the elevating platform 5, the lower limit block 11 is fixedly connected to the guide post 12, the elevating platform 5 is provided with a guide hole movably connected with the guide post 12, the clamping mechanism 6 comprises a first power source 6.2 and two clamping jaws 6.1, the two clamping jaws 6.1 drive the turbine shaft 3 to clamp and release through the first power source 6.2, the first power source 6.2 is provided with a plurality of chutes 6.3, and the clamping jaws 6.1 are movably connected to the plurality of chutes 6.3.
As shown in fig. 1, 2, 3, 6, and 7, the detector 7 is a correlation laser sensor, the emitting end and the receiving end of the detector 7 are respectively disposed at two sides of the positioning seat 1, the detecting light of the detector 7 is detected along the lower surface of the intermediate body 2, a chamfer 2.1.1 is disposed at one end of the shaft hole 2.1 close to the shaft head 3.1, the outer diameter of the chamfer 2.1.1 is greater than the diameter of the sealing ring, and the depth of the chamfer 2.1.1 is smaller than the distance between two connected sealing rings.
The first power source 6.2 and the second power source 9 are driven by cylinders.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. All changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.
Claims (10)
1. The utility model provides a sealing ring drops and detects frock for turbo charger, includes midbody (2) and the subassembly that is formed by turbine shaft body (3), be in the same place its characterized in that through two upper and lower sealing ring assembly link between shaft hole (2.1) of turbine shaft body (3) and midbody (2): the detection tool comprises a positioning seat (1) for placing the intermediate body (2), a lifting table (5) and a detector (7), wherein a cavity (1.1) for accommodating a shaft head part (3.1) of the turbine shaft body (3) is formed in the middle of the positioning seat (1), a clamping mechanism (6) for clamping the shaft head part (3.1) of the turbine shaft body (3) is arranged on the lifting table (5), and the lifting table (5) is used for driving the clamping mechanism (6) to move downwards for a certain distance so as to expose the lower sealing ring (4); the detector (7) is arranged on the outer side of the lower part of the positioning seat (1) to detect the exposed lower sealing ring (4); during detection, the exposed length of the lower sealing ring (4) is less than or equal to the height of the lower sealing ring (4).
2. The seal ring drop detection tool for the turbocharger according to claim 1, characterized in that: the connection of intermediate (2) and positioning seat (1) is equipped with and is the annular buffer piece (8), outer ring (8.1) of buffer piece (8) are fixed between intermediate (2) and positioning seat (1), inner ring (8.2) of buffer piece (8) cup joint on the outer wall of shaft hole (2.1) of intermediate (2).
3. The seal ring drop detection tool for the turbocharger according to claim 2, characterized in that: the intermediate body (2) is connected with the positioning seat (1) through a first step (2.2), the intermediate body (2) is positioned with the positioning seat (1) through the first step (2.2), an outer ring (8.1) of the buffer sheet (8) is obliquely arranged with the intermediate body (2), the outer ring (8.1) of the buffer sheet (8) is obliquely arranged with the positioning seat (1), one side of the outer ring (8.1) of the buffer sheet (8) is abutted to the intermediate body (2), and the other side of the outer ring (8.1) of the buffer sheet (8) is abutted to the positioning seat (1).
4. The seal ring drop detection tool for the turbocharger according to claim 3, characterized in that: the vertical ejector pin (1.2) that is provided with of one side of positioning seat (1), ejector pin (1.2) spacing removal is connected in positioning seat (1), the hole cooperation location on one end of ejector pin (1.2) and midbody (2), the other end of ejector pin (1.2) is equipped with sensor (1.3), be equipped with spring (1.4) in positioning seat (1), the one end and the ejector pin (1.2) of spring (1.4) offset, the other end and the positioning seat (1) of spring (1.4) offset.
5. The seal ring drop detection tool for the turbocharger according to claim 4, characterized in that: positioning seat (1) is including solid fixed ring (1.6) and base (1.5), base (1.5) and solid fixed ring (1.6) split type design, gu fixed ring (1.6) is connected in the upper end of base (1.5), be equipped with on base (1.5) and supply that fixture (6) pass dodge groove (1.7), gu fixed ring (1.6) simultaneously with dodge the lateral wall fixed connection of groove (1.7) both sides.
6. The seal ring drop detection tool for the turbocharger according to claim 3, characterized in that: the junction of the intermediate (2) and the inner ring (8.2) of the buffer sheet (8) is provided with a second step (2.3), the inner ring (8.2) of the buffer sheet (8) is abutted to the second step (2.3), and the inner ring (8.2) of the buffer sheet (8) is obliquely arranged with the second step (2.3).
7. The seal ring drop detection tool for the turbocharger according to claim 1, characterized in that: elevating platform (5) reciprocate through second power supply (9) drive, the top of elevating platform (5) is equipped with spacing piece (10) on, the below of elevating platform (5) is equipped with spacing piece (11) down, spacing piece (11) fixed connection is on guide post (12) down, be equipped with the guiding hole of being connected with guide post (12) removal on elevating platform (5).
8. The seal ring drop detection tool for the turbocharger according to claim 1, characterized in that: fixture (6) include first power supply (6.2) and two clamping jaws (6.1), two clamping jaw (6.1) carry out the centre gripping and the release to turbine axis body (3) through first power supply (6.2) drive, be equipped with multichannel spout (6.3) on first power supply (6.2), clamping jaw (6.1) movable connection is on multichannel spout (6.3).
9. The seal ring drop detection tool for the turbocharger according to claim 1, characterized in that: the detector (7) is a correlation laser sensor, the transmitting end and the receiving end of the detector (7) are respectively arranged on two sides of the positioning seat (1), and the detection light of the detector (7) is detected along the lower surface of the intermediate body (2).
10. The seal ring drop detection tool for the turbocharger according to claim 1, characterized in that: one end of the shaft hole (2.1) close to the shaft head part (3.1) is provided with a chamfer (2.1.1), the outer diameter of the chamfer (2.1.1) is larger than the diameter of the sealing ring, and the depth of the chamfer (2.1.1) is smaller than the distance between two connected sealing rings.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010593873 | 2020-06-28 | ||
| CN2020105938733 | 2020-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112007871A CN112007871A (en) | 2020-12-01 |
| CN112007871B true CN112007871B (en) | 2021-01-05 |
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ID=73528010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011151726.7A Active CN112007871B (en) | 2020-06-28 | 2020-10-26 | Sealing ring falling detection tool for turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112007871B (en) |
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2020
- 2020-10-26 CN CN202011151726.7A patent/CN112007871B/en active Active
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| Publication number | Publication date |
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| CN112007871A (en) | 2020-12-01 |
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Address after: No. 433, xingciqi Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee after: Ningbo Fengwo booster Technology Co.,Ltd. Address before: No. 433, xingciqi Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee before: VOFON TURBO SYSTEMS (NINGBO) Co.,Ltd. |