CN210221406U - Main shaft component for testing water seal performance device - Google Patents
Main shaft component for testing water seal performance device Download PDFInfo
- Publication number
- CN210221406U CN210221406U CN201921223631.4U CN201921223631U CN210221406U CN 210221406 U CN210221406 U CN 210221406U CN 201921223631 U CN201921223631 U CN 201921223631U CN 210221406 U CN210221406 U CN 210221406U
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- water seal
- main shaft
- mounting flange
- bearing
- belt wheel
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a main shaft part for testing water seal performance device, including the main shaft, along the axial of main shaft cup jointed water seal, mounting flange, first bearing and off-load cover in proper order, water seal one end outer wall and mounting flange inner wall interference fit, mounting flange, water seal and main shaft formation cavity, cavity department mounting flange inner wall is the conical surface, has seted up cyclic annular confluence groove along the mounting flange is radial, the mounting flange lower part has seted up confluence hole, confluence groove and confluence hole intercommunication; a bearing sleeve is sleeved outside the first bearing, one end of the bearing sleeve is abutted against the mounting flange, and the other end of the bearing sleeve is abutted against the unloading sleeve; the device also comprises a driving mechanism, and the driving mechanism is in transmission connection with the main shaft. The service life and the sealing performance of water seals with different specifications can be detected.
Description
Technical Field
The utility model belongs to the technical field of testing arrangement, a main shaft part for testing water seal performance device is related to.
Background
The automobile water seal is a sealing element which uses silicon carbide as sealing material liquid, has the advantages of high reliability, low noise, long service life, no pollution, easy maintenance, wear resistance and the like, is a very important part in an automobile engine system, and has direct influence on the quality of an engine due to the sealing performance. Therefore, a high-performance water seal sealing performance detection device is particularly important. However, the water seal detection equipment on the market at present has low integration level and single detection environment, cannot simulate the real environment of water seal operation, and has low accuracy of detection results. The commonly used detection method only uses the tightness of the water seal in a single experiment environment or condition as an index for measuring whether the water seal quality is qualified, so that the error break is easily caused, the quality of batch related products is easily caused to be problematic, economic loss is caused to enterprises and users, and even personal safety accidents are caused to the users.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a real environmental problem that is used for testing water seal performance device's main shaft part has solved the unable simulation water seal work that exists among the prior art.
The utility model adopts the technical scheme that a main shaft component for testing a water seal performance device, comprises a main shaft, wherein a water seal, a mounting flange, a first bearing and an unloading sleeve are sequentially sleeved along the axial direction of the main shaft, the outer wall of one end of the water seal is in interference fit with the inner wall of the mounting flange, the water seal and the main shaft form a cavity, the inner wall of the mounting flange at the cavity is a conical surface, an annular confluence groove is radially arranged along the mounting flange, a confluence hole is arranged at the lower part of the mounting flange, and the confluence groove is communicated with; a bearing sleeve is sleeved outside the first bearing, one end of the bearing sleeve is abutted against the mounting flange, and the other end of the bearing sleeve is abutted against the unloading sleeve; the device also comprises a driving mechanism, and the driving mechanism is in transmission connection with the main shaft.
The utility model discloses a characteristics still lie in:
the driving mechanism comprises a small belt wheel, the small belt wheel is sleeved on the main shaft and is adjacent to the unloading sleeve, a second bearing is sleeved between the small belt wheel and the unloading sleeve, the small belt wheel is connected with a large belt wheel through a belt, and the large belt wheel is connected with a motor.
An L-shaped through hole is formed in the upper portion of the mounting flange, a second temperature sensor is arranged at one end of the through hole, a lead of the second temperature sensor extends out of the other end of the through hole, and a filler is arranged between the through hole and the lead.
The end face of the first locking nut is tightly contacted with the water seal port, and the end face of the second locking nut is tightly contacted with the end face of the small belt pulley.
The rotating speed sensor is fixed through a support, and the tail end of the main shaft is sleeved with a rotating speed shielding plate matched with the rotating speed sensor.
The utility model has the advantages that: the utility model discloses a main shaft component of a device for testing the performance of a water seal, which can detect the service life and the sealing performance of water seals with different specifications; the main shaft, the mounting flange, the first bearing, the unloading sleeve, the second bearing and the small belt wheel can be replaced according to the water seal specification to realize mounting and measurement, and further the measurement range is expanded.
Drawings
Fig. 1 is a schematic structural diagram of a main shaft unit of an apparatus for testing water seal performance according to the present invention.
In the figure, 1, a motor, 2, a main shaft, 3, a water seal, 4, a first bearing, 5, an unloading sleeve, 6, a second bearing, 7, a small belt wheel, 8, a bearing sleeve, 9, a repair ring, 10, a mounting flange, 11, a through hole, 12, a second temperature sensor, 13, a first locking nut, 14, a second locking nut, 15, a large belt wheel, 16, a belt, 17, a rotating speed sensor, 18, a support, 19, a rotating speed cover plate, 20, a locking screw, 21, a confluence groove, 22, a confluence hole and 23 are cavities.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a main shaft part for testing water seal performance device, as shown in figure 1, including main shaft 2, water seal 3 has been cup jointed in proper order along main shaft 2 axial, mounting flange 10, primary shaft holds 4, unloading cover 5, the cross-section of unloading cover 5 is the T font, water seal 3 one end outer wall and mounting flange 10 inner wall interference fit, mounting flange 10 forms cavity 23 with water seal 3, the mounting flange 10 inner wall of cavity 23 department is the conical surface, annular confluence groove 21 has been seted up along mounting flange 10 radially, confluence groove 21 is located cavity 23, mounting flange 10 lower part has been seted up confluence hole 22, confluence groove 21 is communicated with confluence hole 22, in operation, when main shaft 2 rotates, if the water that spills of water seal 3 gets into cavity 23, because the water in the cavity 23 moves along mounting flange 10 inner wall in the rotation process, get into confluence groove 21 easily, flow out from confluence hole 22 at last, lead out the liquid that water seal 3 revealed in the test through confluence hole 22, the leakage amount is measured by the precision measuring cup, so that the purposes of detecting the service life and the sealing performance of the bearing are achieved; during the test, utilize mounting flange 10 to fix and fix main shaft 2 at the environment case, 3 one ends of water seal stretch into the environment incasement, L type through-hole 11 has been seted up on mounting flange 10 upper portion, 11 one ends of through-hole extend to the mounting flange 10 outside, and be provided with second temperature sensor 12, second temperature sensor 12 can detect the temperature that the water seal is nearest, the 12 leads of second temperature sensor stretches out from the 11 other ends of through-hole, and be provided with the filler between 11 and the lead wire of through-hole, seal 11 other ends of through-hole. A bearing sleeve 8 is sleeved outside the first bearing 4, one end of the bearing sleeve 8 is abutted against the mounting flange 10, the other end of the bearing sleeve 8 is abutted against the unloading sleeve 5, and a repairing ring 9 is arranged between the bearing sleeve 8 and the unloading sleeve 5; after the thickness of the ring 9 is ground and repaired, the unloading sleeve 5 is installed to pre-tighten the first bearing 4 and adjust the stability of the main shaft 2. The device also comprises a driving mechanism, and the driving mechanism is in transmission connection with the main shaft 2.
The driving mechanism comprises a small belt wheel 7, the small belt wheel 7 is sleeved on the main shaft 2, the small belt wheel 7 is sleeved on the reducing section of the unloading sleeve 5, a second bearing 6 is sleeved between the small belt wheel 7 and the unloading sleeve 5, the small belt wheel 7 is connected with a large belt wheel 15 through a belt 16, and the large belt wheel 15 is connected with the motor 1.
The outer ring of the water seal 3 is in small interference fit with the inner hole of the mounting flange 10, the mounting flange 10 is fixed on other devices through screws, and a sealing ring is arranged at the screw hole of the mounting flange 10 for sealing. When the main shaft 2 rotates, the inner ring of the water seal 3 is driven by the main shaft to synchronously rotate, and the outer ring of the water seal 3 is fixed. The fit tolerance and the working mode of the water seal 3, the main shaft 2 and the mounting flange 10 are completely designed according to the actual working condition of the water seal. The mounting flange 10 on the main shaft 2 can be detached, and when the specifications of the tested water seal 3 are different, the mounting and the measurement can be realized by replacing corresponding mounting flanges 10 and other parts, so that the measurement range is enlarged.
The end head of the main shaft 2 is sleeved with a first locking nut 13, and the end face of the first locking nut 13 is tightly contacted with the port of the water seal 3. The axial compression of the moving coil of the water seal 3 is adjusted by the first locking nut 13.
And a second locking nut 14 is sleeved on the main shaft 2, and the second locking nut 14 is tightly contacted with the end face of the small belt pulley 7.
The spindle further comprises a rotating speed sensor 17, the rotating speed sensor 17 is fixed through a support 18, and the tail end of the spindle 2 is sleeved with a rotating speed shielding plate 19. The model number of the rotation speed sensor 17 is H92B4 photoelectric sensor, the operating principle is infrared correlation speed measurement, when the rotation speed shield plate 19 blocks the light path along with the rotation of the main shaft 7, namely the receiving end of the photoelectric sensor can not receive the infrared ray sent by the transmitting end, a cut-off signal appears, two cuts-off appears in one rotation range of the main shaft 7, and the rotation speed of the main shaft 7 can be known according to half of the total number of the cut-off signals in one minute.
The main shaft 2 is further sleeved with a locking screw 20, and the locking screw 20 is located on the outer side of the rotating speed shielding plate 19.
The utility model relates to a working process for testing water seal performance device's main shaft part as follows:
during testing, the motor 1 is turned on, the output shaft of the motor 1 drives the large belt wheel 15 to rotate, and then the small belt wheel 7 drives the main shaft 2 to rotate, so that the inner ring of the water seal 3 rotates. And in the tests at different rotating speeds, the main shaft 2 drives the rotating speed shielding plate 19 to rotate, and the rotating speed of the rotating speed sensor 17 is measured through the rotating speed shielding plate 19 so as to obtain the service life and the sealing performance of the water seal at different rotating speeds.
In this way, the utility model relates to a main shaft part for testing water seal performance device can detect life and sealing performance of water seal under different operational environment or condition such as different rotational speeds.
Claims (5)
1. The utility model provides a main shaft part for testing water seal performance device, its characterized in that, includes main shaft (2), follows main shaft (2) have cup jointed water seal (3), mounting flange (10), first bearing (4) and off-load cover (5) in proper order in the axial, water seal (3) one end outer wall and mounting flange (10) inner wall interference fit, mounting flange (10), water seal (3) and main shaft (2) form cavity (23), mounting flange (10) inner wall is the conical surface in cavity (23) department, has seted up cyclic annular confluence groove (21) along mounting flange (10) radial, confluence hole (22) have been seted up to mounting flange (10) lower part, confluence groove (21) and confluence hole (22) intercommunication; a bearing sleeve (8) is sleeved outside the first bearing (4), one end of the bearing sleeve (8) is abutted against the mounting flange (10), and the other end of the bearing sleeve (8) is abutted against the unloading sleeve (5); the device also comprises a driving mechanism, and the driving mechanism is in transmission connection with the main shaft (2).
2. The spindle unit for testing the water seal performance device according to claim 1, wherein the driving mechanism comprises a small belt wheel (7), the small belt wheel (7) is sleeved on the spindle (2), the small belt wheel (7) is adjacent to the unloading sleeve (5), a second bearing (6) is sleeved between the small belt wheel (7) and the unloading sleeve (5), the small belt wheel (7) is connected with a large belt wheel (15) through a belt (16), and the large belt wheel (15) is connected with the motor (1).
3. The spindle unit of the device for testing the water seal performance according to claim 1, wherein an L-shaped through hole (11) is formed in the upper portion of the mounting flange (10), a second temperature sensor (12) is arranged at one end of the through hole (11), a lead of the second temperature sensor (12) extends out from the other end of the through hole (11), and a filler is arranged between the through hole (11) and the lead.
4. The main shaft component for testing the water seal performance device according to claim 1, wherein a first locking nut (13) and a second locking nut (14) are sleeved at the end of the main shaft (2), the end face of the first locking nut (13) is in abutting contact with the end face of the water seal (3), and the second locking nut (14) is in abutting contact with the end face of the small belt pulley (7).
5. The spindle unit for testing the water seal performance device according to claim 1, further comprising a rotation speed sensor (17), wherein the rotation speed sensor (17) is fixed through a bracket (18), and a rotation speed shield (20) matched with the rotation speed sensor (17) is sleeved at the end of the spindle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921223631.4U CN210221406U (en) | 2019-07-31 | 2019-07-31 | Main shaft component for testing water seal performance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921223631.4U CN210221406U (en) | 2019-07-31 | 2019-07-31 | Main shaft component for testing water seal performance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210221406U true CN210221406U (en) | 2020-03-31 |
Family
ID=69919007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921223631.4U Expired - Fee Related CN210221406U (en) | 2019-07-31 | 2019-07-31 | Main shaft component for testing water seal performance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210221406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629760A (en) * | 2021-02-02 | 2021-04-09 | 昆明理工大学 | Experimental device for test sealing member performance |
-
2019
- 2019-07-31 CN CN201921223631.4U patent/CN210221406U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629760A (en) * | 2021-02-02 | 2021-04-09 | 昆明理工大学 | Experimental device for test sealing member performance |
| CN112629760B (en) * | 2021-02-02 | 2024-04-26 | 昆明理工大学 | Experimental device for test sealing member performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20200731 |