CN114486100A - Method for detecting oil passage of brake outer hub - Google Patents
Method for detecting oil passage of brake outer hub Download PDFInfo
- Publication number
- CN114486100A CN114486100A CN202111624999.3A CN202111624999A CN114486100A CN 114486100 A CN114486100 A CN 114486100A CN 202111624999 A CN202111624999 A CN 202111624999A CN 114486100 A CN114486100 A CN 114486100A
- Authority
- CN
- China
- Prior art keywords
- outer hub
- oil passage
- inflation
- oil
- oil duct
- 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
- 238000000034 method Methods 0.000 title claims description 38
- 238000001514 detection method Methods 0.000 claims abstract description 50
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000002950 deficient Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/083—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for tubes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Braking Arrangements (AREA)
Abstract
The invention is suitable for the field of detection methods, and provides a brake outer hub oil passage detection method, which comprises the following steps of S1: plugging one port of the first oil duct to be tested, and inserting the output end of the inflation equipment into the other port of the first oil duct to be tested; step S2: immersing the whole outer hub or a part to be detected of the outer hub into detection liquid; step S3: the inflation equipment fills detection gas with certain pressure into the oil duct through the output end; step S4: judging the sealing condition of the oil duct according to the existence of bubbles generated by observing the detection liquid; step S5: if the bubble leakage phenomenon occurs, marking the oil duct to be detected; step S6: and repeating the operation from the step S1 to the step S5 for other oil passages to be measured. Therefore, the invention can detect the oil duct of the brake outer hub by the related detection method, directly and effectively distinguish good products from defective products, and improve the product percent of pass.
Description
Technical Field
The invention relates to the field of detection methods, in particular to a method for detecting an oil passage of an outer hub of a brake.
Background
The existing brake outer hub is generally cast by low pressure, and is integrally formed into a shell blank which is then processed to form a shell finished product. Various straight oil ducts and inclined oil ducts on the shell are complicated, the distance between the oil ducts is tight, the risk of oil leakage and oil channeling is high, and the realization of the function of the gearbox is influenced. Whether oil leakage exists can not be effectively identified only by visual observation and an endoscope at present, the air tightness inspection is carried out by using tools and equipment, defective products are identified, and the qualification rate of the products is improved.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-mentioned defects, the present invention aims to provide a method for detecting an oil passage of a brake outer hub, which can detect the oil passage of the brake outer hub by the detection method, effectively distinguish good products from defective products, and improve the product yield.
In order to achieve the above object, the present invention provides a brake outer hub oil passage detection method, including step S1: plugging one port of one oil duct to be tested, and hermetically connecting the output end of the inflation equipment with the other port of the oil duct to be tested; step S2: immersing the whole outer hub or a part to be detected of the outer hub into detection liquid; step S3: the inflation equipment fills detection gas with certain pressure into the oil duct through the output end; step S4: judging the sealing condition of the oil duct according to the existence of bubbles generated by observing the detection liquid; step S5: if the bubble leakage phenomenon occurs, marking the oil duct to be detected; step S6: and repeating the operation from the step S1 to the step S5 for other oil passages to be tested.
According to the method for detecting the oil passage of the brake outer hub, the detection liquid used in the step S2 is water.
According to the method for detecting the oil passage of the brake outer hub, in step S3, after inflation is finished, the inflation pressure in the oil passage to be detected reaches 5 Bar.
According to the method for detecting the oil passage of the brake outer hub, the air charging process in the step S3 is an intermittent air charging process: the output end of the inflation equipment is continuously inflated for 3-5 times, 1s is inflated each time to reach 3Bar, and then 5-8 s is continuously inflated to finally reach 5 Bar.
According to the brake outer hub oil passage detection method of the present invention, during the intermittent inflation in step S3, the air pressure output from the output end of the inflation device is constant.
The method for detecting the oil passage of the brake outer hub is characterized in that in the step S4, in the later stage of inflation, bubbles are generated in the detection liquid, and a bubble source is close to a certain sealing port, so that the outer hub is regarded as a pending product, and the oil passage to be detected is detected again after a sealing pad needs to be added or replaced to the sealing port.
The method for detecting the oil passage of the brake outer hub is characterized in that in the step S5, for the oil passage to be detected, which is used for detecting the occurrence of micro bubbles in liquid at the later stage of inflation, the sealed port of the oil passage to be detected is marked with yellow marks; and marking the port of the oil duct to be detected with a red mark in a marking way when other bubbles appear in the inflation detection process.
The invention provides a brake outer hub oil passage detection method, which comprises the following steps of S1: plugging one port of the first oil duct to be tested, and inserting the output end of the inflation equipment into the other port of the first oil duct to be tested; step S2: immersing the whole outer hub or a certain part to be detected of the outer hub into detection liquid, wherein the inflating process comprises the following steps: the output end of the inflation equipment is continuously inflated for 3-5 times, each time of inflation is 1s, 3Bar is reached, then continuous inflation is carried out for 5-8 s, and finally 5Bar is reached, the air pressure output by the output end of the inflation equipment is constant in the whole inflation process, the air pressure of the oil duct is sufficient after the inflation process is finished, the process is a step-by-step inflation process, and the problems that the pressure cannot be controlled once stamping pressure, the air pressure is too high, and the inner wall of the oil duct is impacted by the pressure, so that cracks and damages are caused are avoided; step S3: the inflation equipment fills detection gas with certain pressure into the oil duct through the output end; step S4: judging the sealing condition of the oil duct according to the existence of bubbles generated by observing the detection liquid; step S5: if the bubble leakage phenomenon occurs, marking the oil duct to be detected; step S6: and repeating the operation from the step S1 to the step S5 for other oil passages to be measured. The invention can detect the oil duct of the brake outer hub by the related detection method, directly and effectively distinguish good products from defective products, and improve the product qualification rate.
Drawings
FIG. 1 is a top end view of the brake outer hub;
FIG. 2 is a lower end view of the brake outer hub;
FIG. 3 is a block diagram of a first oil passage in the brake outer hub;
FIG. 4 is a structural view of the second oil passage in the brake outer hub;
FIG. 5 is a position diagram of a third oil passage port in the brake outer hub;
FIG. 6 is a structural view of the third oil passage in the brake outer hub;
in the figure, 1-a first oil channel, 11-a central hole, 12-an oil pump hole, 2-a second oil channel, 21-a third oil channel port, 22-a surface orifice, 23-6mm orifice, 3-a third oil channel, 31-a through hole, 32-a third oil channel upper port and 33-12mm hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, the present invention provides a brake outer hub oil passage detecting method including:
step S1: plugging one port of the first oil duct to be tested, and inserting the output end of the inflation equipment into the other port of the oil duct;
step S2: immersing the whole outer hub or a part to be detected into the detection liquid;
preferably, the detection liquid used in step S2 is water in order to meet the cost requirement and facilitate easy cleaning after detection, but the detection liquid is not limited to water, and other liquids that fill a certain amount of gas into the liquid and are easy to bubble are within the scope of the present invention.
Step S3: the inflation equipment fills detection gas with certain pressure into the oil duct through the output end;
step S4: judging the sealing condition of the oil duct according to the existence of bubbles generated by observing the detection liquid;
step S5: if the bubble leakage phenomenon occurs, marking the oil duct to be detected;
step S6: and repeating the operation from the step S1 to the step S5 for other oil passages to be measured.
Referring to fig. 1, 2 and 3, in a first example, a first oil passage 1 of a brake outer hub is detected;
firstly, sealing other oil passage holes on the lower end face and the circumferential side face of the outer hub of the brake through sealing plugs, plugging one end of a central hole 11 through a tool, and connecting the output end of an inflating device with the other end of the central hole 11 and an oil pump hole 12 in a sealing manner;
subsequently, the brake outer hub 4 is placed in the water;
finally, the inflation equipment starts to work, gas is injected from the central hole 11 and the oil pump hole 12, no bubbles emerge in water in the detection process, and the air tightness of the first oil duct 1 is good.
Referring to fig. 1, 2, 4 and 5, in the second embodiment, the second oil passage 2 in the brake is subjected to sealing detection;
firstly, sealing an A-surface orifice 22 and a third oil channel port 21 through plugs, and inserting an air nozzle (the output end of inflation equipment) from a 6 mm-side orifice 23;
subsequently, the brake outer hub 4 is placed in the water;
and finally, inflating the second oil duct 2 from the 6mm hole opening 23 on the side surface through the air nozzle, wherein no air bubble emerges from the water in the detection process, so that the air tightness of the second oil duct 2 is good.
Referring to fig. 1, 2, and 6, in a third example, the third oil passage 3 is subjected to sealing detection;
firstly, plugging a through hole 31 at one end of the third oil duct 3 by adopting a towel/glove plugging mode;
subsequently, the 12mm hole 33 on the side of the third oil passage 3 is filled with the test water.
And finally, gas is injected from the upper port 32 of the third oil duct through an air gun, and no bubbles emerge from the 12mm hole 33 after extrusion, so that the third oil duct 3 has good air tightness.
Preferably, the inflation process in step S3 is: under 3 ~ 5 are aerifyd in succession to the output of inflation equipment, 1s is aerifyd at every turn, reaches 3Bar, aerifys 5 ~ 8s in succession again, finally reaches 5Bar, and the atmospheric pressure of output of inflation equipment is invariable at whole inflation in-process inflation equipment, and the above-mentioned oil duct atmospheric pressure that finishes of inflating process is sufficient, and above-mentioned process is the process of progressively pressurizing, avoids a punching press pressure to hold, and atmospheric pressure can appear too big, leads to the oil duct inner wall to receive pressure shock the crackle damage that appears.
In addition, in the step S4, in the later stage of inflation, bubbles are generated in the detection liquid, and a bubble source is close to a certain sealing port, which indicates that a problem occurs in the sealing of the sealing port, the outer hub should be regarded as an undetermined product, and after a sealing gasket needs to be added or replaced to the sealing port, the oil passage to be detected is detected again, so that errors are reduced, and the detection result is affected.
Meanwhile, in the step S5, for the oil passage to be detected in which the detection liquid has micro bubbles at the later stage of inflation, the sealed port of the oil passage to be detected is marked with yellow mark, and the marked outer hub is regarded as a product to be detected and detected again; and in the inflation detection process, the port of the oil duct to be detected is marked by red marking, and the outer hub marked by the red marking is regarded as a scrapped product.
In summary, the present invention provides a method for detecting an oil passage of a brake outer hub, including step S1: plugging one port of the first oil duct to be tested, and inserting the output end of the inflation equipment into the other port of the first oil duct to be tested; step S2: immersing the whole outer hub or a certain part to be detected of the outer hub into detection liquid, wherein the inflating process comprises the following steps: the output end of the inflation equipment is continuously inflated for 3-5 times, each time of inflation is 1s, 3Bar is reached, then continuous inflation is carried out for 5-8 s, and finally 5Bar is reached, the air pressure output by the output end of the inflation equipment is constant in the whole inflation process, the air pressure of the oil duct is sufficient after the inflation process is finished, the process is a step-by-step inflation process, and the problems that the pressure cannot be controlled once stamping pressure, the air pressure is too high, and the inner wall of the oil duct is impacted by the pressure, so that cracks and damages are caused are avoided; step S3: the inflation equipment fills detection gas with certain pressure into the oil duct through the output end; step S4: judging the sealing condition of the oil duct according to the existence of bubbles generated by observing the detection liquid; step S5: if the bubble leakage phenomenon occurs, marking the oil duct to be detected; step S6: and repeating the operation from the step S1 to the step S5 for other oil passages to be measured. The invention can detect the oil duct of the brake outer hub by the related detection method, directly and effectively distinguish good products from defective products, and improve the product percent of pass.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A brake outer hub oil passage detection method, comprising:
step S1: plugging one port of one oil duct to be tested, and hermetically connecting the output end of the inflation equipment with the other port of the oil duct to be tested;
step S2: immersing the whole outer hub or a part to be detected of the outer hub into detection liquid;
step S3: the inflation equipment fills detection gas with certain pressure into the oil duct through the output end;
step S4: judging the sealing condition of the oil duct according to the existence of bubbles generated by observing the detection liquid;
step S5: if the bubble leakage phenomenon occurs, marking the oil duct to be detected;
step S6: and repeating the operation from the step S1 to the step S5 for other oil passages to be tested.
2. The brake outer hub oil passage detection method according to claim 1, wherein the detection liquid used in step S2 is water.
3. The method for detecting the oil passage of the brake outer hub according to claim 1, wherein in step S3, after the air inflation is completed, the inflation pressure in the oil passage to be detected reaches 5 Bar.
4. The brake outer hub oil passage detection method according to claim 3, wherein the air charging process in the step S3 is an intermittent air charging process: the output end of the inflation equipment is continuously inflated for 3-5 times, 1s is inflated each time to reach 3Bar, and then 5-8 s is continuously inflated to finally reach 5 Bar.
5. The brake outer hub oil passage detection method according to claim 4, wherein during the intermittent inflation in step S3, the air pressure output from the output end of the inflation device is constant.
6. The method for detecting the oil passage of the brake outer hub according to any one of claims 1 to 5, wherein in the step S4, in the later stage of inflation, bubbles are generated in the detection liquid, and a bubble source is close to a certain sealing port, the outer hub is regarded as a pending product, and after a sealing pad needs to be added or replaced to the sealing port, the oil passage to be detected is detected again.
7. The method for detecting the oil passage of the brake outer hub according to claim 6, wherein in the step S5, for the oil passage to be tested in which the detection liquid has micro bubbles at the later stage of inflation, the sealed port of the oil passage to be tested is marked with yellow mark; and marking the port of the oil duct to be detected with a red mark in a marking way when other bubbles appear in the inflation detection process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624999.3A CN114486100A (en) | 2021-12-28 | 2021-12-28 | Method for detecting oil passage of brake outer hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111624999.3A CN114486100A (en) | 2021-12-28 | 2021-12-28 | Method for detecting oil passage of brake outer hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114486100A true CN114486100A (en) | 2022-05-13 |
Family
ID=81496637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111624999.3A Pending CN114486100A (en) | 2021-12-28 | 2021-12-28 | Method for detecting oil passage of brake outer hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114486100A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868665A (en) * | 2014-04-03 | 2014-06-18 | 北京星航机电装备有限公司 | Airtight detection method of high-pressure gas circuit in fuel system |
| CN108760171A (en) * | 2018-05-25 | 2018-11-06 | 江西新德合汽配有限责任公司 | Cylinder cap detection device and its cylinder cap detection method |
| CN210664914U (en) * | 2019-11-29 | 2020-06-02 | 常州巨竹由汽车部件有限公司 | Utensil is examined to oil pipe leakproofness |
| CN113267296A (en) * | 2021-05-28 | 2021-08-17 | 江西新德合汽配有限责任公司 | Air tightness detection device for cylinder cover |
-
2021
- 2021-12-28 CN CN202111624999.3A patent/CN114486100A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868665A (en) * | 2014-04-03 | 2014-06-18 | 北京星航机电装备有限公司 | Airtight detection method of high-pressure gas circuit in fuel system |
| CN108760171A (en) * | 2018-05-25 | 2018-11-06 | 江西新德合汽配有限责任公司 | Cylinder cap detection device and its cylinder cap detection method |
| CN210664914U (en) * | 2019-11-29 | 2020-06-02 | 常州巨竹由汽车部件有限公司 | Utensil is examined to oil pipe leakproofness |
| CN113267296A (en) * | 2021-05-28 | 2021-08-17 | 江西新德合汽配有限责任公司 | Air tightness detection device for cylinder cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2800962A1 (en) | Method for detecting a leak on a non-rigid test specimen | |
| KR20180000746U (en) | Apparatus for sealing test of industrial valve | |
| CN112247316B (en) | Welding process of pressure container | |
| CN104931214A (en) | A machine oil cooler leakage detection method | |
| CN114486100A (en) | Method for detecting oil passage of brake outer hub | |
| CN104236824A (en) | Speed changer DCT assembly gas tightness detecting technology | |
| CN112067209A (en) | Integral air tightness detection method for charging component for vehicle | |
| CN103630305A (en) | Aluminium casting air tightness detector | |
| CN204253201U (en) | Engine cylinder-body sealing combined type leak source discriminating gear | |
| CN103822762A (en) | Heavy-duty diesel engine cylinder body water jacket leakage detection process | |
| CN111678654A (en) | Transformer oil tank oil leakage grading detection device and detection method | |
| CN214277332U (en) | Leak detection device for pressure-bearing equipment | |
| CN210741763U (en) | Casting air tightness detection tool equipment | |
| CN207600431U (en) | A kind of workpiece endoporus unicom situation pneumatic detection device | |
| CN210119322U (en) | Device for detecting sealing performance of maintenance type universal joint | |
| CN206208475U (en) | A kind of device for detecting aluminum alloy die casting air-tightness | |
| CN208187648U (en) | A kind of oil pump sealing propertytest tooling | |
| CN105910774A (en) | Motor air-tight test method and facility | |
| CN111829736A (en) | Device and method for detecting water tightness of pipeline | |
| CN201302505Y (en) | Welded seam vacuum testing-sealing device of vehicle wheel felloe | |
| CN217304266U (en) | Quick detection device of pressure vessel gas tightness | |
| CN106323563B (en) | A kind of airtight defect inspection method of Packaging Case for Satellite | |
| JPS5826240A (en) | Method and device for inspecting revention of air leakage of rim for tubeless tire | |
| CN211234870U (en) | Part gas tightness high pressure check out test set | |
| CN220489891U (en) | Inspection tool for rapidly inspecting cylinder seal |
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 |