CN109029878B - Air tightness detection device for axle housing - Google Patents
Air tightness detection device for axle housing Download PDFInfo
- Publication number
- CN109029878B CN109029878B CN201811121641.7A CN201811121641A CN109029878B CN 109029878 B CN109029878 B CN 109029878B CN 201811121641 A CN201811121641 A CN 201811121641A CN 109029878 B CN109029878 B CN 109029878B
- Authority
- CN
- China
- Prior art keywords
- axle housing
- bearing hole
- cylinder
- frame
- compressing
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 210000004907 gland Anatomy 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3281—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell
- G01M3/329—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell for verifying the internal pressure of closed containers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vehicle Body Suspensions (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
According to the air tightness detection device for the axle housing, the air pump provides the air source, the air source enters the integral pressing device through the pipeline to press the axle housing, the air source enters the fixed ring pressing devices at two ends through the pipeline to press the two ends of the axle housing, the air source enters the bearing hole lower pressing device through the pipeline to enable the bearing hole gland to press the bearing hole of the axle housing downwards, the air source reaches the inside of the axle housing through the inner cavity air inlet device, the pressure inside the axle housing can be detected through the display of the external air source pressure gauge, and therefore the air tightness performance of the axle housing is judged. The air tightness detection device for the axle housing, which is designed by the invention, is convenient and quick, has complete detection range and high accuracy, can conveniently detect the air tightness of the axle housing, reduces the loss of each element, enhances the safety performance of a vehicle, enhances the safety and stability of the running of the vehicle, and is suitable for the field of air tightness detection of the axle housing.
Description
Technical Field
The invention relates to the field of axle housing air tightness detection, in particular to an air tightness detection device for an axle housing.
Background
An automobile axle (also called an axle) is connected with a frame (or a bearing type automobile body) through a suspension, and wheels are arranged at two ends of the axle. The axle is used for bearing the load of the automobile and maintaining the normal running of the automobile on a road. The axle housing is used for mounting the main speed reducer, the differential mechanism, the half axle and the wheel assembly matrix and mainly used for supporting and protecting the main speed reducer, the differential mechanism, the half axle and the like. In general, a common non-disconnected drive axle housing is a rigid hollow beam supported on left and right drive wheels, in which drive members such as a final drive, a differential, and a half axle are all housed, and the axle housing is connected to a vehicle frame or a vehicle cabin via a longitudinal leaf spring. It is an important component of the drive axle and one of the main components of the running gear.
The axle housing is connected with a plurality of automobile components, when the air tightness of the axle housing is poor, the loss of each component can be accelerated, the safety performance of the vehicle is reduced, the running stability of the vehicle is weakened, the existing axle housing air tightness detection method is carried out by naked eyes, the detection is incomplete, and the accuracy of detecting the air tightness cannot be ensured.
Disclosure of Invention
The invention aims to solve the defects and provide a detection device for the air tightness of the axle housing.
In order to achieve the above purpose, the technical solution of the present invention is: the utility model provides a gas tightness detection device for car axle housing, includes frame, axle housing strutting arrangement, whole closing device, both ends solid fixed ring closing device, bearing hole lower closing device, balancing unit, inner chamber air inlet unit, the frame is fixed and is kept horizontally subaerial, axle housing strutting arrangement includes axle housing backup pad, soft rubber pad, the axle housing backup pad uses the screw to fix in frame top central point put, soft rubber pad is fixed in the axle housing backup pad, whole closing device is located axle housing strutting arrangement top, whole closing device includes support frame device, axle housing closing bracket, whole closing cylinder, cylinder support frame, support frame device welding is in frame one side, support frame device top is the heliciform cylindricality structure, axle housing closing bracket one end with support frame device top articulates, the movable rod of whole closing cylinder with the axle housing closing bracket other end articulates, whole closing cylinder provides power, makes the axle housing closing bracket compress tightly downwards, the cylinder support frame welds in the frame opposite side, whole closing cylinder passes through installing on the cylinder support frame, whole closing device is located the axle housing strutting arrangement with the upset, and can be in the cylinder support frame, the solid fixed ring is for the bearing hole is held down to the bearing hole, the cylinder device is held down to one side, the bearing hole is held down to the fixing device, the end, the cylinder device is fixed to the bearing hole is including the piston rod, the end is fixed to the cylinder hole is fixed to the end, the support device is welded on one side of the support device of the integral pressing device, the bearing hole air cylinder is fixed above the support device by using screws, the bearing hole gland is fixed at the end part of a movable rod of the bearing hole air cylinder, the bearing hole air cylinder provides power to enable the bearing hole gland to be pressed downwards, the balancing device comprises an ear plate and a T-shaped bolt, the ear plate is welded on the other side of the support device of the integral pressing device, the T-shaped bolt is used for balancing the integral pressing device through a hole on the ear plate, a pressure gauge of an external air source is arranged at an air inlet position of the inner cavity air inlet device, the inner cavity air inlet device is fixed on an axle housing supporting plate and penetrates through a soft rubber pad to be connected with the inside of an axle housing, and the pressure gauge of the external air source is arranged at one end of the frame and can detect the internal pressure of the axle housing by displaying the external air source pressure gauge, so that the air tightness performance of the axle housing is judged.
Further, the frame includes dull and stereotyped, landing leg quantity is 12, and every adjacent two landing legs use the iron pipe welding, strengthen the stability of frame, the frame below uses the screw to fix subaerial.
Further, the axle housing backup pad includes dull and stereotyped, landing leg, the dull and stereotyped iron that uses is the material, landing leg quantity is 4, the landing leg is cylindric, increase the axle housing backup pad with the area of atress of frame.
Further, the positioning support of the two-end fixed ring pressing device is formed by welding horizontal and vertical iron blocks, and the ring pressing structure is provided with a silica gel pad for attaching the two ends of the axle housing.
Further, the bearing hole gland of the bearing hole lower pressing device comprises a gland and a silica gel pad, the bearing hole cylinder provides power to enable the bearing hole gland to be pressed downwards, and under the action of the silica gel pad, the bearing hole of the axle housing is attached.
According to the air tightness detection device for the axle housing, which is designed by the invention, an air circuit system provides an air source, the air source enters the integral compression device through a pipeline to compress the axle housing, the air source enters the fixed ring compression device at two ends through the pipeline to compress the two ends of the axle housing, the air source enters the bearing hole lower compression device through the pipeline to cause the bearing hole gland to compress the bearing hole of the axle housing downwards, the air source reaches the inside of the axle housing through the inner cavity air inlet device, and the pressure inside the axle housing can be detected through the display of the external air source pressure gauge, so that the air tightness performance of the axle housing is judged.
The invention is convenient and quick, has complete detection range and high accuracy, can conveniently detect the air tightness of the axle housing, reduces the loss of each element, enhances the safety performance of the vehicle, enhances the safety stability of the running of the vehicle, and is suitable for the field of air tightness detection of the axle housing.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Fig. 3 is a side view of the frame, axle housing support, and integral hold down device of the present invention.
Fig. 4 is a front view of the structure of the present invention in operation.
Fig. 5 is an enlarged view of the integral hold-down device portion of the front view of the structure of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the air tightness detection device for the axle housing comprises a frame 1, an axle housing supporting device 3, an integral pressing device 4, two end fixing ring pressing devices 5, a bearing hole lower pressing device 6, a balancing device 7 and an inner cavity air inlet device 8, wherein the frame 1 is fixed on the ground to be horizontal, the axle housing supporting device 3 comprises an axle housing supporting plate 9 and a soft rubber pad 10, the axle housing supporting plate 9 is fixed at the central position above the frame by using screws, the soft rubber pad 10 is fixed on the axle housing supporting plate 9, the integral pressing device 4 is positioned above the axle housing supporting device 3, the integral pressing device 4 comprises a bracket device 11, an axle housing pressing bracket 12, an integral pressing cylinder 13 and a cylinder supporting frame 14, the bracket device 11 is welded on one side of the frame 1, the top end of the bracket device 11 is of a threaded cylindrical structure, one end of the axle housing pressing bracket 12 is hinged with the top end of the bracket device 11, a movable rod of the integral pressing cylinder 13 is hinged with the other end of the axle housing pressing bracket 12, the integral pressing cylinder 13 is fixed on the middle position above the frame by using screws, the integral pressing device 4 is positioned above the axle housing supporting frame 14 by using screws, the two end fixing rings 15 are positioned on the two ends of the bracket 14, the cylinder supporting frame 16 is fixed on the two ends of the cylinder supporting frame 16 by the cylinder device 15, the end fixing device is fixed on the end of the cylinder device 15 by the cylinder supporting frame 16, the cylinder device 15 is positioned by the end is fixed on the end of the cylinder device 13, and the cylinder device is positioned on the end of the cylinder device 13 is a cylinder device 11 is a screw cylinder structure is a cylinder. The cylinder 16 provides power to enable the ring pressing device 17 to press inwards, the bearing hole lower pressing device 6 comprises a bearing Kong Qigang, a bearing hole pressing cover 19 and a support device 20, the support device 20 is welded on one side of the support device 11 of the integral pressing device 4, the bearing hole cylinder 18 is fixed above the support device 20 by using screws, the bearing hole pressing cover 19 is fixed at the end part of a movable rod of the bearing hole cylinder 18, the bearing hole cylinder 18 provides power to enable the bearing hole pressing cover 19 to press downwards, the balancing device 7 comprises an ear plate 21 and a T-shaped bolt 22, the ear plate 21 is welded on the other side of the support device 11 of the integral pressing device 4, the T-shaped bolt 22 is used for balancing the integral pressing device 4 through a hole in the ear plate 21, an external pressure gauge 2 is arranged at an air inlet of the inner cavity air inlet device 8, the inner cavity air inlet device 8 is fixed on the axle housing supporting plate 3 and penetrates through the soft rubber pad 10, the external pressure gauge 2 is arranged at one end of the axle housing 1, the air tightness of the axle housing can be judged by detecting the pressure gauge 2, and the performance of the axle housing can be judged by detecting the air tightness of the axle housing.
Further, the frame 1 comprises a flat plate and supporting legs, the number of the supporting legs is 12, each two adjacent supporting legs are welded by using an iron pipe, the stability of the frame is enhanced, and the lower part of the frame is fixed on the ground by using screws.
Further, the axle housing supporting plate 9 comprises a flat plate and supporting legs, the flat plate is made of iron, the number of the supporting legs is 4, the supporting legs are cylindrical, and the stress area of the axle housing supporting plate and the stress area of the frame are increased.
Further, the positioning support 15 of the two-end fixing ring pressing device 5 is formed by welding two horizontal and vertical iron blocks, and the ring pressing device 17 is provided with a silica gel pad for attaching to two ends of the axle housing.
Further, the bearing hole gland 19 of the bearing hole lower pressing device 6 comprises a gland and a silica gel pad, the bearing hole cylinder 18 provides power to enable the bearing hole gland 19 to be pressed downwards, and under the action of the silica gel pad, the bearing hole of the axle housing is attached.
According to the air tightness detection device for the axle housing, which is designed by the invention, an air circuit system provides an air source, the air source enters the integral compression device through a pipeline to compress the axle housing, the air source enters the fixed ring compression device at two ends through the pipeline to compress the two ends of the axle housing, the air source enters the bearing hole lower compression device through the pipeline to cause the bearing hole gland to compress the bearing hole of the axle housing downwards, the air source reaches the inside of the axle housing through the inner cavity air inlet device, and the pressure inside the axle housing can be detected through the display of the external air source pressure gauge, so that the air tightness performance of the axle housing is judged.
The air tightness detection device for the axle housing, which is designed by the invention, is convenient and quick, has complete detection range and high accuracy, can conveniently detect the air tightness of the axle housing, reduces the loss of each element, enhances the safety performance of a vehicle, enhances the safety and stability of the running of the vehicle, and is suitable for the field of air tightness detection of the axle housing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. A gas tightness detection device for axle housing, its characterized in that: the device comprises a frame, an axle housing supporting device, an integral compressing device, two end fixing ring compressing devices, a bearing hole lower compressing device, a balancing device and an inner cavity air inlet device, wherein the frame is fixed on the ground to be kept horizontal, the axle housing supporting device comprises an axle housing supporting plate and a soft rubber pad, the axle housing supporting plate is fixed on the central position above the frame by using screws, the soft rubber pad is fixed on the axle housing supporting plate, the integral compressing device is positioned above the axle housing supporting device, the integral compressing device comprises a bracket device, an axle housing compressing bracket, an integral compressing cylinder and a cylinder supporting frame, the bracket device is welded on one side of the frame, the top of the bracket device is of a threaded cylindrical structure, one end of the axle housing compressing bracket is hinged with the top of the bracket device, a movable rod of the integral compressing cylinder is hinged with the other end of the axle housing compressing bracket, the integral compressing cylinder provides power to enable the axle housing compressing bracket to be downwards compressed, the cylinder supporting frame is welded on the other side of the frame, the integral compressing cylinder is mounted on the cylinder supporting frame by the air cylinder, the joint of the integral compressing cylinder and the cylinder supporting frame is of a reversible structure, the fixing ring compressing device comprises a bracket, the fixing ring, the bearing hole is provided at one side of the fixing ring, the bearing hole is provided by the fixing ring is welded on the two ends of the bracket, the bearing hole is provided by the fixing ring device, the fixing device is fixed on one side of the bearing hole, and the end of the bearing hole is provided by the fixing device, the bearing hole cylinder is fixed above the support device by using a screw, the bearing hole gland is fixed at the end part of a movable rod of the bearing hole cylinder, the bearing hole cylinder provides power to enable the bearing hole gland to be pressed downwards, the balancing device comprises an ear plate and a T-shaped bolt, the ear plate is welded on the other side of the support device of the integral pressing device, the T-shaped bolt is used for balancing the integral pressing device through a hole on the ear plate, a pressure gauge of an external air source is arranged at an air inlet part of the inner cavity air inlet device, the inner cavity air inlet device is fixed on an axle housing supporting plate, penetrates through a soft rubber pad and is connected with the inside of an axle housing, and the pressure gauge of the external air source is arranged at one end of the frame and can observe the pressure inside the axle housing through the pressure gauge display of the external air source.
2. The air tightness detection device for a vehicle axle housing as defined in claim 1, wherein: the machine frame comprises a flat plate and supporting legs, the number of the supporting legs is 12, each two adjacent supporting legs are welded by using an iron pipe, and the lower part of the machine frame is fixed on the ground by using screws.
3. The air tightness detection device for a vehicle axle housing as defined in claim 1, wherein: the axle housing backup pad includes dull and stereotyped, landing leg, the dull and stereotyped iron that uses is the material, landing leg quantity is 4, the landing leg is cylindric.
4. The air tightness detection device for a vehicle axle housing as defined in claim 1, wherein: the positioning support of the two-end fixing ring pressing device is formed by welding horizontal and vertical iron blocks, and the ring pressing structure is provided with a silica gel pad for attaching two ends of the axle housing.
5. The air tightness detection device for a vehicle axle housing as defined in claim 1, wherein: the bearing hole gland of the bearing hole lower pressing device comprises a gland and a silica gel pad, the bearing hole cylinder provides power to enable the bearing hole gland to be pressed downwards, and under the action of the silica gel pad, the bearing hole of the axle housing is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121641.7A CN109029878B (en) | 2018-09-26 | 2018-09-26 | Air tightness detection device for axle housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811121641.7A CN109029878B (en) | 2018-09-26 | 2018-09-26 | Air tightness detection device for axle housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109029878A CN109029878A (en) | 2018-12-18 |
| CN109029878B true CN109029878B (en) | 2024-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811121641.7A Active CN109029878B (en) | 2018-09-26 | 2018-09-26 | Air tightness detection device for axle housing |
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| Country | Link |
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| CN (1) | CN109029878B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116086707B (en) * | 2023-04-11 | 2023-07-28 | 羲和智能装备(山东)有限公司 | Detection platform for detecting axle air tightness |
| CN117147063B (en) * | 2023-10-31 | 2024-01-09 | 泰安九洲金城机械有限公司 | Front axle detection device |
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|---|---|---|---|---|
| JPH02139141A (en) * | 1988-11-16 | 1990-05-29 | Mazda Motor Corp | Working method onto rear axle casing for vehicle and device therefor |
| KR101224959B1 (en) * | 2012-09-03 | 2013-01-29 | (주)부국 | Pipe type leak tast machine |
| CN203178036U (en) * | 2013-01-25 | 2013-09-04 | 山东美驰车桥有限公司 | Axle housing dry type leakage detection apparatus |
| CN203178049U (en) * | 2013-04-12 | 2013-09-04 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Airtight detection platform |
| CN203191176U (en) * | 2012-12-22 | 2013-09-11 | 青特集团有限公司 | An axle housing automatic leakage testing device |
| KR101370630B1 (en) * | 2013-09-05 | 2014-03-25 | 현대밋숀주식회사 | Apparatus for testing leak of axle housing for vehicle |
| CN203893997U (en) * | 2014-05-09 | 2014-10-22 | 杭州汇丰车桥有限公司 | Apparatus for testing sealing of axle housing |
| CN204142448U (en) * | 2014-08-01 | 2015-02-04 | 广东富华重工制造有限公司 | Axle housing air tightness detection equipment |
| CN204286705U (en) * | 2014-11-26 | 2015-04-22 | 广东富华重工制造有限公司 | A kind of Drive axle housing sealing property detects machine |
| CN209043554U (en) * | 2018-09-26 | 2019-06-28 | 合肥宽信机电有限公司 | A kind of air-tightness detection device for axle shell |
-
2018
- 2018-09-26 CN CN201811121641.7A patent/CN109029878B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02139141A (en) * | 1988-11-16 | 1990-05-29 | Mazda Motor Corp | Working method onto rear axle casing for vehicle and device therefor |
| KR101224959B1 (en) * | 2012-09-03 | 2013-01-29 | (주)부국 | Pipe type leak tast machine |
| CN203191176U (en) * | 2012-12-22 | 2013-09-11 | 青特集团有限公司 | An axle housing automatic leakage testing device |
| CN203178036U (en) * | 2013-01-25 | 2013-09-04 | 山东美驰车桥有限公司 | Axle housing dry type leakage detection apparatus |
| CN203178049U (en) * | 2013-04-12 | 2013-09-04 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Airtight detection platform |
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| CN203893997U (en) * | 2014-05-09 | 2014-10-22 | 杭州汇丰车桥有限公司 | Apparatus for testing sealing of axle housing |
| CN204142448U (en) * | 2014-08-01 | 2015-02-04 | 广东富华重工制造有限公司 | Axle housing air tightness detection equipment |
| CN204286705U (en) * | 2014-11-26 | 2015-04-22 | 广东富华重工制造有限公司 | A kind of Drive axle housing sealing property detects machine |
| CN209043554U (en) * | 2018-09-26 | 2019-06-28 | 合肥宽信机电有限公司 | A kind of air-tightness detection device for axle shell |
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| CN109029878A (en) | 2018-12-18 |
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