CN217654775U - Novel hub unit heating test device - Google Patents
Novel hub unit heating test device Download PDFInfo
- Publication number
- CN217654775U CN217654775U CN202221050544.5U CN202221050544U CN217654775U CN 217654775 U CN217654775 U CN 217654775U CN 202221050544 U CN202221050544 U CN 202221050544U CN 217654775 U CN217654775 U CN 217654775U
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- hub unit
- heating
- outer ring
- temperature sensor
- unit sample
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Abstract
The utility model discloses a novel wheel hub unit heating test device, which relates to the field of wheel hub unit tests and comprises a rubber outer ring heat shield, a loading arm and a wheel hub unit sample, wherein a temperature sensor mounting hole is formed in the top of the rubber outer ring heat shield; one end of the hub unit sample is fixed on the middle fixing block, and the other end of the hub unit sample is rotatably connected to the testing machine through a flange plate; an annular heating cavity is formed between the middle fixing block and the inner wall of the loading arm and used for placing a heating resistance wire; the temperature sensor detects the real-time temperature of the hub unit sample. The beneficial effects of the utility model are that: the problems of uneven heating of a sample and inaccurate temperature control in the heating durability test process of the hub unit are solved; the safety risk of scalding of testing personnel in the testing process is reduced.
Description
Technical Field
The utility model relates to a field of wheel hub unit test, concretely relates to novel wheel hub unit heating test device.
Background
At present, when a heating durability test is carried out on an automobile hub unit, an auxiliary hot air blowing device is utilized to blow hot air and heat a hub unit test sample. However, the existing hot air blowing device cannot accurately control the temperature of the outer ring of the hub unit sample and cannot uniformly heat the outer ring of the hub unit; in addition, there is not safeguard measure in current heating device, and experimental operating personnel exists the safety risk of being scalded.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough that prior art exists, and provide a novel wheel hub unit heating test device, improve test technique, guarantee experimental precision reduces the safety risk.
The purpose of the utility model is accomplished through following technical scheme: the novel hub unit heating test device comprises a rubber outer ring heat insulation cover, a loading arm and a hub unit sample, wherein a temperature sensor mounting hole is formed in the top of the rubber outer ring heat insulation cover and used for mounting a temperature sensor; the rubber outer ring heat insulation cover is covered on the loading arm, an upper fixing plate is arranged on one side, close to the temperature sensor, in the rubber outer ring heat insulation cover, the upper fixing plate is fixed on the loading arm, and the middle fixing block is fixed on the upper fixing plate; one end of the hub unit sample is fixed on the middle fixing block, the other end of the hub unit sample is rotatably connected to the testing machine through a flange plate, and the testing machine drives the hub unit sample to rotate; an annular heating cavity is formed between the middle fixing block and the inner wall of the loading arm and used for placing a heating resistance wire, and the heating resistance wire is arranged on the periphery of the middle fixing block and used for heating the outer ring of the hub unit sample; the temperature sensor is located above the hub unit sample and used for detecting the real-time temperature of the hub unit sample, and the temperature sensor and the heating resistance wire are electrically connected and communicated with the outside through an external cable.
As a further technical scheme, the temperature sensor controls the on-off of the heating resistance wire according to the real-time temperature of the hub unit sample.
As a further technical scheme, a groove is formed in the top of the rubber outer ring heat insulation cover and used for an external cable to extend out.
As a further technical scheme, a force application connecting device is connected to the outer wall of the loading arm, and the force application connecting device applies a connecting force to the loading arm.
The utility model has the advantages that:
1. the problems of uneven heating of a sample and inaccurate temperature control in the heating durability test process of the hub unit are solved;
2. the safety risk of scalding of testing personnel in the testing process is reduced.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a view from direction D of fig. 1.
Fig. 3 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 2.
Fig. 4 is a sectional view B-B of fig. 2.
Fig. 5 is a cross-sectional view C-C of fig. 2.
Description of the reference numerals: the device comprises a rubber outer ring heat shield 1, a temperature sensor mounting hole 2, a temperature sensor 3, a groove 4, an external cable 5, an upper fixing plate 6, a middle fixing block 7, a heating resistance wire 8, a loading arm 9, a stress application connecting device 10, a hub unit sample 11, a flange 12 and a heating cavity 13.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example (b): as shown in the attached figures 1 to 5, the novel hub unit heating test device comprises a rubber outer ring heat insulation cover 1, a loading arm 9 and a hub unit sample 11. Referring to the attached drawing 1, a temperature sensor mounting hole 2 is formed in the top of the rubber outer ring heat shield 1 and used for mounting a temperature sensor 3, and the rubber outer ring heat shield 1 covers a loading arm 9. As shown in fig. 3 and 4, an upper fixing plate 6 is disposed on a side of the rubber outer ring heat shield 1 close to the temperature sensor 3, the upper fixing plate 6 is fixed to a loading arm 9, and an intermediate fixing block 7 is fixed to the upper fixing plate 6. One end of the hub unit sample 11 is fixed on the middle fixing block 7, the other end of the hub unit sample 11 is rotatably connected to the testing machine through the flange 12, and the testing machine drives the hub unit sample 11 to rotate. An annular heating cavity 13 is formed between the middle fixing block 7 and the inner wall of the loading arm 9 and used for placing a heating resistance wire 8, and the heating resistance wire 8 is arranged on the periphery of the middle fixing block 7 and used for heating the outer ring of the hub unit sample 11. The temperature sensor 3 is located above the hub unit sample 11 and used for detecting the real-time temperature of the hub unit sample 11, the temperature sensor 3 and the heating resistance wire 8 are electrically connected and communicated with the outside through the external cable 5, and preferably, the temperature sensor 3 controls the on-off of the heating resistance wire 8 according to the real-time temperature of the hub unit sample 11. When the temperature is higher than the set value, the power supply of the heating resistance wire is cut off, and when the temperature is lower than the set value, the power supply of the heating resistance wire is switched on, so that the heating closed-loop control is realized, and the constant accuracy of the heating temperature is ensured.
As shown in fig. 1 and 5, a groove 4 is formed in the top of the rubber outer ring heat shield 1 for an external cable 5 to extend out.
As shown in fig. 1, 2 and 4, a force application connecting device 10 is connected to an outer wall of the loading arm 9, and the force application connecting device 10 applies a connecting force to the loading arm 9.
The utility model discloses a working process: during testing, the hub unit sample 11 is driven to rotate through the testing machine, and meanwhile the heating resistance wire 8 heats the heating cavity 13, so that the temperature of the hub unit sample 11 is increased; the temperature sensor 3 monitors the temperature of the hub unit sample 11 in real time, the power supply of the heating resistance wire 8 is cut off when the temperature is higher than a set value, and the power supply of the heating resistance wire 8 is switched on when the temperature is lower than the set value, so that heating closed-loop control is realized, and the constancy and accuracy of the heating temperature are ensured.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (4)
1. The utility model provides a novel wheel hub unit heating test device which characterized in that: the device comprises a rubber outer ring heat shield (1), a loading arm (9) and a hub unit sample (11), wherein the top of the rubber outer ring heat shield (1) is provided with a temperature sensor mounting hole (2) for mounting a temperature sensor (3); the rubber outer ring heat insulation cover (1) is covered on the loading arm (9), an upper fixing plate (6) is arranged on one side, close to the temperature sensor (3), in the rubber outer ring heat insulation cover (1), the upper fixing plate (6) is fixed on the loading arm (9), and a middle fixing block (7) is fixed on the upper fixing plate (6); one end of the hub unit sample (11) is fixed on the middle fixing block (7), the other end of the hub unit sample (11) is rotatably connected to a testing machine through a flange plate (12), and the testing machine drives the hub unit sample (11) to rotate; an annular heating cavity (13) is formed between the middle fixing block (7) and the inner wall of the loading arm (9) and used for placing a heating resistance wire (8), and the heating resistance wire (8) is arranged on the periphery of the middle fixing block (7) and used for heating the outer ring of the hub unit sample (11); the temperature sensor (3) is positioned above the hub unit sample (11) and used for detecting the real-time temperature of the hub unit sample (11), and the temperature sensor (3) and the heating resistance wire (8) are electrically connected and communicated with the outside through the external cable (5).
2. The novel hub unit heating test device of claim 1, wherein: and the temperature sensor (3) controls the on-off of the heating resistance wire (8) according to the real-time temperature of the hub unit sample (11).
3. The novel hub unit heating test device of claim 1, wherein: the top of the rubber outer ring heat shield (1) is provided with a groove (4) for an external cable (5) to extend out.
4. The novel hub unit heating test device of claim 1, wherein: the outer wall of the loading arm (9) is connected with a force application connecting device (10), and the force application connecting device (10) applies connecting force to the loading arm (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221050544.5U CN217654775U (en) | 2022-05-05 | 2022-05-05 | Novel hub unit heating test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221050544.5U CN217654775U (en) | 2022-05-05 | 2022-05-05 | Novel hub unit heating test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217654775U true CN217654775U (en) | 2022-10-25 |
Family
ID=83664385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221050544.5U Active CN217654775U (en) | 2022-05-05 | 2022-05-05 | Novel hub unit heating test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217654775U (en) |
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2022
- 2022-05-05 CN CN202221050544.5U patent/CN217654775U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Wanxiang Qianchao Co.,Ltd. Patentee after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee before: WANXIANG QIANCHAO Co.,Ltd. Patentee before: WANXIANG GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address |