CN220542365U - Axle rear cover air tightness inspection and detection platform - Google Patents
Axle rear cover air tightness inspection and detection platform Download PDFInfo
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- CN220542365U CN220542365U CN202322198647.7U CN202322198647U CN220542365U CN 220542365 U CN220542365 U CN 220542365U CN 202322198647 U CN202322198647 U CN 202322198647U CN 220542365 U CN220542365 U CN 220542365U
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- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 238000007689 inspection Methods 0.000 title claims description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 238000012806 monitoring device Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 239000011521 glass Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 abstract description 11
- 230000007547 defect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to the technical field of axle rear cover detection, in particular to an axle rear cover air tightness detection platform which is used for supporting the whole automobile rear axle shell through a supporting device and controlling the height of a detection piece; fixing the position of the detection piece through the fixing device to prevent the detection piece from falling off in the detection process; filling high-pressure gas into the detection part through a pressurizing device; monitoring the internal air pressure change of the detection part by a monitoring device, and judging whether the air tightness of the detection part meets the standard; the defect and air leakage positions of the detection piece are determined through the observation device and the supporting device, so that the practicability of the device is improved; including supporting device, fixing device, pressure device, monitoring devices, controlling means and viewing device, fixing device installs on supporting device, and pressure device installs on supporting device, and detection device installs on pressure device, and controlling means installs on supporting device, and viewing device installs on supporting device.
Description
Technical Field
The utility model relates to the technical field of axle rear cover detection, in particular to an axle rear cover air tightness detection platform.
Background
The rear axle of the automobile is a rear driving shaft component part for power transmission of the automobile, and consists of two half axles, which can implement differential motion of the half axles, and is also a device for supporting wheels and connecting rear wheels; the automobile rear axle cover mainly has the following functions: 1. supporting the mass of the automobile, bearing the road surface counterforce and counter moment transmitted by the wheels, and transmitting the counterforce and counter moment to the frame or the automobile body through the suspension; 2. lubricating oil is filled in the shell, so that gears, bearings and the like can be lubricated; 3. the airtight shell can prevent dirty things from invading and damaging the working environment of the components in the shell; 4. the axle housing also has the function of fixing the axial relative positions of the left driving wheel and the right driving wheel, and the tightness of the rear cover of the axle has great influence on the running safety and the service life of the vehicle.
The utility model patent in China with the application number of CN202021315926.7 relates to an axle rear cover air tightness detection platform, which comprises a supporting box, a lifting plate, a transmission device and an air tightness detection platform body, and can reduce vibration of equipment per se during working, reduce noise and facilitate transfer.
However, the above device has the following problems in practical use: firstly, the device only detects the air tightness of the rear cover body of the axle, and does not have the air tightness detection after the rear shell of the axle is connected with the cover body; second, the above device can only monitor the air tightness, and cannot determine the air leakage and defect position.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a device for supporting the whole rear axle housing of an automobile by a supporting device, and controlling the height of a detection piece; fixing the position of the detection piece through the fixing device to prevent the detection piece from falling off in the detection process; filling high-pressure gas into the detection part through a pressurizing device; monitoring the internal air pressure change of the detection part by a monitoring device, and judging whether the air tightness of the detection part meets the standard; the defect and air leakage positions of the detection piece are determined through the observation device and the supporting device, and the practicability of the device is improved.
The utility model relates to an axle rear cover air tightness inspection and detection platform which comprises a supporting device, a fixing device, a pressurizing device, a monitoring device, a control device and an observation device, wherein the fixing device is arranged on the supporting device; the whole rear axle housing of the automobile is supported by the supporting device, and the height of the detecting piece can be controlled; fixing the position of the detection piece through the fixing device to prevent the detection piece from falling off in the detection process; filling high-pressure gas into the detection part through a pressurizing device; monitoring the internal air pressure change of the detection part by a monitoring device, and judging whether the air tightness of the detection part meets the standard; the defect and the air leakage position of the detection piece are determined through the observation device and the supporting device, and the practicability of the device is improved.
Preferably, the supporting device comprises a water tank, a rib plate, a door frame, an electric cylinder, a bearing frame and an arc bracket, wherein a plurality of groups of supporting legs are arranged on the lower end face of the water tank, the door frame is arranged on the upper end face of the water tank, the rib plate is arranged between the top of the door frame and the side face of the door frame, the electric cylinder is arranged on the upper end face of the door frame, the moving end of the electric cylinder penetrates through the upper end face of the door frame to extend to the lower part of the door frame to be connected with the bearing frame, and the arc bracket is connected with the middle part and the left side and the right side of the lower end face of the bearing frame; through the water tank retaining, be convenient for look for and detect a defect gas leakage position, support the rear axle housing through multiunit arc bracket, control the flexible rear axle housing that drives of electric cylinder and lift business turn over water tank inside, increase the structural strength of portal through the floor, improved the practicality of device.
Preferably, the fixing device comprises a spring rope, a hook and a hook groove, wherein the left and right sides of the front end face of the middle arc-shaped bracket are respectively connected with a group of spring ropes, the tail ends of the spring ropes are connected with hooks, and the left and right sides of the bearing frame are respectively provided with a group of hooks; after the detection piece is placed on the arc-shaped bracket, the main body of the detection piece is fixed through two groups of spring ropes, and the spring ropes are hung in the hooks, so that the detection piece is prevented from falling and knocked down in the detection process.
Preferably, the pressurizing device comprises a high-pressure air pump, an air valve, a monitoring bin, a high-pressure air pipe and a sealing joint, wherein the high-pressure air pump is arranged on the front end face of the water tank, the output end of the high-pressure air pump is connected with the monitoring bin through the air valve, the output end of the monitoring bin is connected with the high-pressure air pipe, and the tail end of the high-pressure air pipe is connected with the sealing joint; the rear cover of the axle is arranged on the rear axle shell, the three axle holes are sealed, then the sealing joint is connected with the oil inlet of the rear axle, and the high-pressure air pump and the air valve are started to charge high-pressure air into the shell.
Preferably, the monitoring device comprises an air pressure sensor and a PLC controller, the air pressure sensor is arranged on the monitoring bin, and the PLC controller is arranged on the side surface of the portal frame; the air pressure sensor monitors the air pressure in the rear axle housing, data are transmitted to the PLC, the PLC controls the air valve to be closed after the air pressure value reaches a preset value, and then the air pressure sensor continuously monitors the air pressure in the rear axle housing within a certain time to obtain an air pressure change value in the rear axle housing, and whether the air tightness meets the requirement is judged.
Preferably, the control device comprises a liquid level sensor and an electromagnetic valve, the liquid level sensor is arranged on the inner side of the water tank, the lower end surface of the water tank is provided with a water outlet, the electromagnetic valve is arranged on the water outlet, and the output end of the electromagnetic valve is connected with an external drain pipe; when the air tightness of the detection part is not in accordance with the requirement, the electric cylinder is controlled to extend to enable the detection part to downwards enter liquid in the water tank, the liquid level sensor is used for monitoring the liquid level change in the water tank, the numerical value is transmitted to the PLC, when the liquid level in the water tank is higher than a preset value, the PLC controls the electromagnetic valve to be opened to drain water outwards until the water level is lower than the preset value, and the influence of liquid overflow in the water tank on the detection environment is prevented.
Preferably, the observation device comprises a glass observation window, a rotating shaft, a fixing frame, a glass mirror, a rotating handle, a nut, a screw and a rubber pad, wherein the glass observation window is arranged on the side surface and the bottom surface of the water tank; the glass mirror is driven to rotate through the rotating shaft of the rotating handle, so that an operator can observe the air leakage condition at the bottom of the detection piece through the glass mirror, whether bubbles leak from each part in water or not can be observed through a plurality of groups of glass observation windows, the inclination angle of the glass mirror is adjusted to a proper angle, and the rubber pad is pressed by the rubber pad through the rotating screw rod, so that the position of the glass mirror is fixed, and the practicability of the device is improved
Compared with the prior art, the utility model has the beneficial effects that: the whole rear axle housing of the automobile is supported by the supporting device, and the height of the detecting piece can be controlled; fixing the position of the detection piece through the fixing device to prevent the detection piece from falling off in the detection process; filling high-pressure gas into the detection part through a pressurizing device; monitoring the internal air pressure change of the detection part by a monitoring device, and judging whether the air tightness of the detection part meets the standard; the defect and the air leakage position of the detection piece are determined through the observation device and the supporting device, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic view of a first axial structure of the present utility model;
FIG. 2 is a schematic view of a second axial structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
FIG. 4 is a schematic view of a partially enlarged structure of the observation device;
FIG. 5 is a schematic view of a third axial structure of the present utility model;
the reference numerals in the drawings: 1. a water tank; 2. rib plates; 3. a door frame; 4. an electric cylinder; 5. a carrier; 6. an arc-shaped bracket; 7. a spring cord; 8. a hook; 9. a hook groove; 10. a high pressure air pump; 11. an air valve; 12. monitoring a bin; 13. a high pressure gas pipe; 14. sealing the joint; 15. an air pressure sensor; 16. a PLC controller; 17. a liquid level sensor; 18. an electromagnetic valve; 19. a glass viewing window; 20. a rotating shaft; 21. a fixing frame; 22. a glass mirror; 23. rotating the handle; 24. a nut; 25. a screw; 26. and a rubber pad.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The pressurizing device, the control device and the fixing device as shown in fig. 1, 2, 3, 4 and 5 are all arranged on the supporting device, and the monitoring device is arranged on the pressurizing device;
firstly, mounting an axle rear cover on an axle rear housing, sealing three axle holes, then placing the axle rear housing on a plurality of groups of arc brackets 6, fixing a detection part main body through two groups of spring ropes 7, hanging the spring ropes 7 in a hook 8, connecting a sealing joint 14 with an axle oil inlet, and starting a high-pressure air pump 10 and an air valve 11 to charge high-pressure air into the housing; the air pressure in the rear axle housing is monitored through the air pressure sensor 15, data are transmitted to the PLC 16, the PLC 16 controls the air valve 11 to be closed after the air pressure value reaches a preset value, the air pressure sensor 15 continuously monitors the air pressure in the rear axle housing within a certain time to obtain an air pressure change value in the rear axle housing, and whether the air tightness meets the requirement is judged; if the air tightness is not met, the electric cylinder 4 is controlled to extend so that the detection part enters the liquid in the water tank 1 downwards, the liquid level change in the water tank 1 is monitored through the liquid level sensor 17, the numerical value is transmitted to the PLC 16, when the liquid level in the water tank 1 is higher than a preset value, the PLC 16 controls the electromagnetic valve 18 to open and drain outwards until the water level is lower than the preset value, and the air leakage condition of the shell in the liquid is observed;
the bearing device comprises a water tank 1, rib plates 2, a door frame 3, an electric cylinder 4, a bearing frame 5 and an arc-shaped bracket 6, wherein a plurality of groups of supporting legs are arranged on the lower end face of the water tank 1, the door frame 3 is arranged on the upper end face of the water tank 1, the rib plates 2 are arranged between the top and the side faces of the door frame 3, the electric cylinder 4 is arranged on the upper end face of the door frame 3, the moving end of the electric cylinder 4 penetrates through the upper end face of the door frame 3 to extend to the lower part of the door frame 3 to be connected with the bearing frame 5, and the arc-shaped bracket 6 is connected with the middle part and the left side and the right side of the lower end face of the bearing frame 5;
the fixing device comprises a spring rope 7, hooks 8 and a hook groove 9, wherein the left and right sides of the front end face of the middle arc-shaped bracket 6 are respectively connected with a group of spring ropes 7, the tail ends of the spring ropes 7 are connected with hooks 8, and the left and right sides of the bearing frame 5 are respectively provided with a group of hooks 8;
the pressurizing device comprises a high-pressure air pump 10, an air valve 11, a monitoring bin 12, a high-pressure air pipe 13 and a sealing joint 14, wherein the high-pressure air pump 10 is arranged on the front end face of the water tank 1, the output end of the high-pressure air pump 10 is connected with the monitoring bin 12 through the air valve 11, the output end of the monitoring bin 12 is connected with the high-pressure air pipe 13, and the tail end of the high-pressure air pipe 13 is connected with the sealing joint 14;
the monitoring device comprises an air pressure sensor 15 and a PLC (programmable logic controller) 16, the air pressure sensor 15 is arranged on the monitoring bin 12, and the PLC 16 is arranged on the side surface of the portal frame 3;
the control device comprises a liquid level sensor 17 and an electromagnetic valve 18, wherein the liquid level sensor 17 is arranged on the inner side of the water tank 1, a water outlet is arranged on the lower end surface of the water tank 1, the electromagnetic valve 18 is arranged on the water outlet, and the output end of the electromagnetic valve 18 is connected with an external drain pipe;
the whole rear axle housing of the automobile is supported by the supporting device, and the height of the detecting piece can be controlled; fixing the position of the detection piece through the fixing device to prevent the detection piece from falling off in the detection process; filling high-pressure gas into the detection part through a pressurizing device; the air pressure change inside the detection part is monitored through the monitoring device, and whether the air tightness of the detection part meets the standard is judged.
Example 2
The improvement on the first embodiment comprises an observation device which is arranged on the supporting device;
the defect and air leakage positions of the detection piece are determined through the observation device and the supporting device, so that the practicability of the device is improved;
the rotating shaft 20 is rotated through the rotating handle 23 to drive the glass mirror 22 to rotate, so that an operator can observe the air leakage condition at the bottom of the detection piece through the glass mirror 22, whether air bubbles leak from each part of the detection piece in water or not can be conveniently observed through the plurality of groups of glass observation windows 19, after the inclination angle of the glass mirror 22 is adjusted to a proper angle, the rubber pad 26 is pressed by the rotating screw 25 to press the bracket, and therefore the position of the glass mirror 22 is fixed, and the practicability of the device is improved;
the observation device comprises a glass observation window 19, a rotating shaft 20, a fixing frame 21, a glass mirror 22, a rotating handle 23, a nut 24, a screw 25 and a rubber pad 26, wherein the glass observation window 19 is arranged on the side face and the bottom face of the water tank 1, the rotating shaft 20 is arranged on the lower end face of the water tank 1 through a bracket, the glass mirror 22 is fixed on the rotating shaft 20 through the fixing frame 21, one end of the rotating shaft 20 penetrates through the bracket to be connected with the rotating handle 23, the rotating handle 23 is connected with the screw 25 through the nut 24, and the rubber pad 26 is connected on one end, close to the bracket, of the screw 25.
As shown in fig. 1 to 5, in the axle rear cover air tightness test platform of the present utility model, when in operation, firstly, the axle rear cover is mounted on the axle rear housing, and three axle holes are sealed, then the axle rear housing is placed on a plurality of groups of arc brackets 6, then the main body of the test piece is fixed by two groups of spring ropes 7, the spring ropes 7 are hung in a hook 8, then a sealing joint 14 is connected with the oil inlet of the rear axle, and a high-pressure air pump 10 and an air valve 11 are opened to flush high-pressure air into the housing; the air pressure in the rear axle housing is monitored through the air pressure sensor 15, data are transmitted to the PLC 16, the PLC 16 controls the air valve 11 to be closed after the air pressure value reaches a preset value, the air pressure sensor 15 continuously monitors the air pressure in the rear axle housing within a certain time to obtain an air pressure change value in the rear axle housing, and whether the air tightness meets the requirement is judged; if the air tightness is detected to be inconsistent, the electric cylinder 4 is controlled to extend so that the detection piece enters the liquid in the water tank 1 downwards, the liquid level change in the water tank 1 is monitored through the liquid level sensor 17, and the numerical value is transmitted to the PLC controller 16, when the liquid level in the water tank 1 is higher than a preset value, the PLC controller 16 controls the electromagnetic valve 18 to open and drain outwards until the water level is lower than the preset value, the rotating shaft 20 is rotated through the rotating handle 23 to drive the glass mirror 22 to rotate, an operator can observe the air leakage condition at the bottom of the detection piece through the glass mirror 22 conveniently, after the inclination angle of the glass mirror 22 is adjusted to a proper angle, the screw 25 is rotated so that the rubber pad 26 is pressed against the support, the position of the glass mirror 22 is fixed, and whether bubbles leak out from all parts in water to determine the air leakage and defect positions can be observed conveniently through the glass observation windows 19.
The electric cylinder 4, the high-pressure air pump 10, the air pressure sensor 15, the air valve 11, the electromagnetic valve 18 and the PLC 16 of the detection platform for detecting the air tightness of the rear cover of the axle are purchased in the market, and the electric cylinder, the high-pressure air pump 10, the air valve 11, the electromagnetic valve 18 and the PLC 16 are installed and operated by a person skilled in the art according to the attached use instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The axle rear cover air tightness inspection and detection platform is characterized by comprising a supporting device, a fixing device, a pressurizing device, a monitoring device, a control device and an observing device, wherein the fixing device is arranged on the supporting device, the pressurizing device is arranged on the supporting device, the detecting device is arranged on the pressurizing device, the control device is arranged on the supporting device, and the observing device is arranged on the supporting device.
2. The axle rear cover air tightness inspection and detection platform according to claim 1, wherein the supporting device comprises a water tank (1), rib plates (2), a door frame (3), an electric cylinder (4), a bearing frame (5) and arc brackets (6), wherein a plurality of groups of supporting legs are arranged on the lower end face of the water tank (1), the door frame (3) is arranged on the upper end face of the water tank (1), the rib plates (2) are arranged between the top of the door frame (3) and the side face, the electric cylinder (4) is arranged on the upper end face of the door frame (3), the moving end of the electric cylinder (4) penetrates through the upper end face of the door frame (3) to extend to the lower portion of the door frame (3) to be connected with the bearing frame (5), and the arc brackets (6) are arranged on the middle portion, the left side and the right side of the lower end face of the bearing frame (5).
3. The axle rear cover air tightness test platform according to claim 2, wherein the fixing device comprises a spring rope (7), hooks (8) and a hook groove (9), a group of spring ropes (7) are respectively connected on the left and right sides of the front end face of the middle arc-shaped bracket (6), the tail ends of the spring ropes (7) are connected with the hooks (8), and a group of hooks (8) are respectively arranged on the left and right sides of the bearing frame (5).
4. The axle rear cover air tightness detection platform according to claim 2, wherein the pressurizing device comprises a high-pressure air pump (10), an air valve (11), a monitoring bin (12), a high-pressure air pipe (13) and a sealing joint (14), the high-pressure air pump (10) is installed on the front end face of the water tank (1), the monitoring bin (12) is connected to the output end of the high-pressure air pump (10) through the air valve (11), the high-pressure air pipe (13) is connected to the output end of the monitoring bin (12), and the sealing joint (14) is connected to the tail end of the high-pressure air pipe (13).
5. The axle rear cover air tightness test platform as claimed in claim 4, wherein the monitoring device comprises an air pressure sensor (15) and a PLC controller (16), the air pressure sensor (15) is installed on the monitoring bin (12), and the PLC controller (16) is installed on the side face of the portal frame (3).
6. The axle rear cover air tightness detection platform according to claim 2, wherein the control device comprises a liquid level sensor (17) and an electromagnetic valve (18), the liquid level sensor (17) is installed on the inner side of the water tank (1), a water outlet is formed in the lower end face of the water tank (1), the electromagnetic valve (18) is installed on the water outlet, and the output end of the electromagnetic valve (18) is connected with an external drain pipe.
7. The axle rear cover air tightness test platform according to claim 2, wherein the observation device comprises a glass observation window (19), a rotating shaft (20), a fixing frame (21), a glass mirror (22), a rotating handle (23), a nut (24), a screw (25) and a rubber pad (26), the glass observation window (19) is arranged on the side face and the bottom face of the water tank (1), the rotating shaft (20) is arranged on the lower end face of the water tank (1) through a bracket, the glass mirror (22) is fixed on the rotating shaft (20) through the fixing frame (21), one end of the rotating shaft (20) penetrates through the bracket to be connected with the rotating handle (23), the screw (25) is connected with the nut (24) on the rotating handle (23), and the rubber pad (26) is connected on one end, close to the bracket, of the screw (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322198647.7U CN220542365U (en) | 2023-08-16 | 2023-08-16 | Axle rear cover air tightness inspection and detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322198647.7U CN220542365U (en) | 2023-08-16 | 2023-08-16 | Axle rear cover air tightness inspection and detection platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220542365U true CN220542365U (en) | 2024-02-27 |
Family
ID=89972122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322198647.7U Active CN220542365U (en) | 2023-08-16 | 2023-08-16 | Axle rear cover air tightness inspection and detection platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220542365U (en) |
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2023
- 2023-08-16 CN CN202322198647.7U patent/CN220542365U/en active Active
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