Oil temperature sensor for gear shell of main speed reducer of heavy truck axle

By designing an oil temperature sensor for the gear housing of the main reducer of the heavy truck axle, the problem that the prior art cannot monitor and control oil temperature in real time is solved, and the effect of real-time detection of oil temperature and preventing faults is achieved.

CN222866081UActive Publication Date: 2025-05-13BAOTOU BEIBEN HEAVY DUTY TRUCK AXLE BOX CO LTD
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Patent Information

Application Number
CN202421506381.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-05-13
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The prior art cannot install temperature sensors on the gear housing of the main reducer of the heavy truck axle, resulting in the inability to monitor and control the oil temperature in real time, which may cause oil leakage and bearing ablation.

Method used

An oil temperature sensor for gear housing of the main reducer of heavy truck axle is designed, including a platinum probe, a heat dissipation sleeve, a threaded column, a U-shaped frame and a data housing. Through these components, real-time detection and data transmission of oil temperature are achieved, and the stability and safety of the system are improved through the heat dissipation sleeve and protective cap.

Benefits of technology

Real-time monitoring and control of the oil temperature of the gear housing of the main reducer of the heavy truck axle is realized, preventing oil leakage and bearing ablation and other faults, improving the accuracy of temperature detection and system stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222866081U_ABST
Patent Text Reader

Abstract

The utility model discloses an oil temperature sensor for a gear shell of a main speed reducer of a heavy truck axle, which comprises a platinum probe, the upper part of the platinum probe is sleeved with a heat dissipation sleeve, the bottom of the heat dissipation sleeve is sleeved with a threaded column, the upper part of the threaded column is provided with a gasket, the upper part of the gasket is provided with a knob nut, the upper part of the heat dissipation sleeve is sleeved with a U-shaped frame, and the upper part of the U-shaped frame is provided with a nut. The top end of the platinum probe is in threaded connection with a data shell, and the top of the data shell is in threaded connection with a protective cap. The upper portion of the platinum probe is subjected to heat dissipation treatment through the heat dissipation sleeve, the situation that the temperature is too high, data processing and transmission of the data shell are affected is prevented, the temperature detection accuracy is improved, the temperature sensor is connected to the main speed reducer gear shell through the threaded column, the temperature of flowing gear oil is detected in real time, and the working efficiency is improved. And the U-shaped frame is arranged, so that the communication equipment can be conveniently mounted and connected, and the protruding heat dissipation sleeve and the platinum probe can be safely protected.
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Description

Technical Field

[0001] The utility model relates to the field of temperature detection, in particular to an oil temperature sensor for a gear housing of a main reducer of a heavy truck axle. Background Art

[0002] When a heavy-duty truck axle is running at high speed under heavy load, the main reducer assembly bearing operating temperature remains high, which is transmitted to the circulating cooling lubricant oil and causes the oil temperature to even exceed 120°C, which is a great damage to the sealing of the axle rubber seals and the normal operation of the bearings, and may even cause oil leakage of the entire axle, bearing ablation and other faults. It has become a practical need to realize the real-time monitoring and control of the abnormal high oil temperature of the axle by the ECU in the car cockpit and prevent faults, and an oil temperature sensor needs to be installed on the main reducer housing of the heavy-duty truck axle.

[0003] However, the existing main reducer gear housing still has some shortcomings, such as: first, it is impossible to install a temperature sensor on the main reducer gear housing, which is not convenient for temperature detection; second, it is impossible to monitor and prevent abnormal faults caused by high oil temperature ablation. Utility Model Content

[0004] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide an oil temperature sensor for a gear housing of a main reducer of a heavy truck axle, so as to solve the problems mentioned in the background technology.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] An oil temperature sensor for a gear housing of a main reducer of a heavy truck axle comprises a platinum probe, the upper part of the platinum probe is sleeved with a heat dissipation sleeve, the bottom of the heat dissipation sleeve is sleeved with a threaded column, the upper part of the threaded column is provided with a gasket, the upper part of the gasket is provided with a knob nut, the upper part of the heat dissipation sleeve is sleeved with a U-shaped frame, the top end of the platinum probe is threadedly connected to a data housing, and the top of the data housing is threadedly connected to a protective cap.

[0007] By adopting the above technical scheme, when the utility model is in use, the heat dissipation treatment of the upper part of the platinum probe is achieved through the heat dissipation sleeve to prevent the temperature from being too high, affecting the data processing and transmission of the data housing, and improving the accuracy of temperature detection. The temperature sensor is connected to the main reducer gear housing through the threaded column, and a mounting threaded hole with an angle of 45° to the whole bridge is processed on the boss of the main reducer gear housing, the end face is compressed and sealed by the threaded column, and a coaxial through hole is designed at the bottom of the hole to the oil channel, so that the platinum probe can be extended into the oil channel to detect the temperature of the flowing gear oil in real time, and the setting of the U-shaped frame is convenient for the installation and connection of the communication equipment, and the protruding heat dissipation sleeve and platinum probe are safely protected, and the data housing is protected by the protective cap to maintain the safety of the data housing.

[0008] Preferably, one side of the data housing is connected to a data tube, and a cable electrically connected to the data housing is disposed in the data tube.

[0009] By adopting the above technical solution, the setting of the data tube is convenient for guiding the cable, realizing electrical connection with the data housing, and performing data connection.

[0010] Preferably, a limiting plate is welded to the middle of the platinum probe, a locking nut is threadedly connected to the bottom of the heat dissipation sleeve, and the locking nut is fitted and connected to the limiting plate.

[0011] By adopting the above technical solution, the setting of the limiting plate is convenient for supporting the heat dissipation sleeve and the locking nut, thereby improving the sealing performance and maintaining the connection stability of the heat dissipation sleeve.

[0012] Preferably, the upper fitting portion of the threaded column, the gasket and the knob nut are sleeved on the fitting portion.

[0013] By adopting the above technical solution, the fitting portion on the threaded column facilitates the socketing of the knob nut and the gasket, effectively realizing the follow-up connection of the threaded column, and driving the threaded column to be installed in the mounting threaded hole of the main reducer gear housing.

[0014] Preferably, the knob nut and the top of the fitting portion are flush, a pressure plate is fitted on the knob nut and the fitting portion, and a holding nut threadedly connected to the heat dissipation sleeve is provided on the pressure plate.

[0015] By adopting the above technical solution, the setting of the pressure plate and the holding nut makes it easy to lock the knob nut, and to rotate the knob nut with a wrench, thereby driving the threaded column to rotate, thereby realizing the installation of the temperature sensor in the mounting threaded hole of the main reducer gear housing.

[0016] Preferably, the U-shaped frame is sleeved on the heat dissipation sleeve, and a mounting hole is provided on one side of the U-shaped frame.

[0017] By adopting the above technical solution, the setting of the U-shaped frame is convenient for protecting the heat dissipation sleeve, and the setting of the mounting holes is convenient for installing and fixing the communicator to maintain the transmission of data information.

[0018] Preferably, the upper surface of the data housing is inclined, and a display screen is provided in the middle of the upper portion of the data housing.

[0019] By adopting the above technical solution, the tilted data housing facilitates observation of data information, and the display screen facilitates display of data information.

[0020] Preferably, a connecting threaded barrel is provided on the upper edge of the data housing, and the protective cap is threadably connected to the connecting threaded barrel.

[0021] By adopting the above technical solution, the threaded barrel is connected to realize the installation and connection of the protective cap, thereby realizing the protection of the data housing.

[0022] In summary, the utility model mainly has the following beneficial effects:

[0023] When the utility model is in use, the upper part of the platinum probe is heat-dissipated by the heat dissipation sleeve to prevent the temperature from being too high, affecting the data processing and transmission of the data housing, and improving the accuracy of temperature detection. The temperature sensor is connected to the main reducer gear housing by the threaded column, and a mounting threaded hole with an angle of 45° with the whole bridge is processed on the boss of the main reducer gear housing. The end face is sealed by the threaded column compression type, and a coaxial through hole is designed at the bottom of the hole to the oil channel, so that the platinum probe can be extended into the oil channel to detect the temperature of the flowing gear oil in real time. The setting of the U-shaped frame is convenient for installation and connection of communication equipment, and the protruding heat dissipation sleeve and platinum probe are safely protected. The data housing is protected by the protective cap to maintain the safety of the data housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model in a side plan view;

[0025] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from the side;

[0026] Figure 3 It is a cross-sectional schematic diagram of the utility model;

[0027] Figure 4 It is a partial structural schematic diagram of the utility model.

[0028] Figure numerals: 1. platinum probe; 2. heat dissipation sleeve; 3. threaded column; 4. gasket; 5. knob nut; 6. U-shaped frame; 7. mounting hole; 8. data housing; 9. protective cap; 10. data tube; 11. limit plate; 12. tightening nut; 13. pressure plate; 14. holding nut; 15. connecting threaded tube; 16. display screen. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0030] refer to Figure 1-4 An oil temperature sensor for a gear housing of a main reducer of a heavy truck axle comprises a platinum probe 1, a heat dissipation sleeve 2 is sleeved on the upper part of the platinum probe 1, a threaded column 3 is sleeved on the bottom of the heat dissipation sleeve 2, a gasket 4 is provided on the upper part of the threaded column 3, a knob nut 5 is provided on the upper part of the gasket 4, a U-shaped frame 6 is sleeved on the upper part of the heat dissipation sleeve 2, a data housing 8 is threadedly connected to the top of the platinum probe 1, and a protective cap 9 is threadedly connected to the top of the data housing 8.

[0031] When the utility model is in use, the heat dissipation treatment of the upper part of the platinum probe 1 is achieved through the heat dissipation sleeve 2 to prevent the temperature from being too high, affecting the data processing and transmission of the data housing 8, and improving the accuracy of temperature detection. The temperature sensor is connected to the main reducer gear housing through the threaded column 3, and a mounting threaded hole with an angle of 45° with the whole bridge is processed on the boss of the main reducer gear housing. The end face is compressed and sealed by the threaded column 3, and a coaxial through hole is designed at the bottom of the hole to the oil channel, so that the platinum probe 1 can be extended into the oil channel to detect the temperature of the flowing gear oil in real time. The setting of the U-shaped frame 6 is convenient for installing and connecting the communication equipment, and the protruding heat dissipation sleeve 2 and the platinum probe 1 are safely protected. The data housing 8 is protected by the protective cap 9 to maintain the safety of the data housing 8.

[0032] In this embodiment, preferably, one side of the data shell 8 is connected to a data tube 10, and a cable electrically connected to the data shell 8 is provided in the data tube 10. The setting of the data tube 10 facilitates guiding the cable to achieve electrical connection with the data shell 8 and data connection.

[0033] In this embodiment, preferably, a limiting plate 11 is welded to the middle part of the platinum probe 1, and a locking nut 12 is threadedly connected to the bottom of the heat dissipation sleeve 2. The locking nut 12 is fit-connected to the limiting plate 11. The setting of the limiting plate 11 is convenient for supporting the heat dissipation sleeve 2 and the locking nut 12, thereby improving the sealing performance and maintaining the connection stability of the heat dissipation sleeve 2.

[0034] In this embodiment, preferably, the upper fitting portion of the threaded column 3, the gasket 4 and the knob nut 5 are sleeved on the fitting portion, and the fitting portion on the threaded column 3 facilitates the sleeve connection of the knob nut 5 and the gasket 4, effectively realizing the follow-up connection of the threaded column 3, and driving the threaded column 3 to be installed in the mounting threaded hole of the main reducer gear housing.

[0035] In the present embodiment, preferably, the knob nut 5 is flush with the top of the fitting portion, a pressure plate 13 is fitted on the knob nut 5 and the fitting portion, and a holding nut 14 is provided on the pressure plate 13 which is threadedly connected to the heat dissipation sleeve 2. The setting of the pressure plate 13 and the holding nut 14 facilitates locking the knob nut 5, and facilitates rotating the knob nut 5 with a wrench, thereby driving the threaded column 3 to rotate, thereby realizing installation of the temperature sensor in the mounting threaded hole of the main reducer gear housing.

[0036] In this embodiment, preferably, the U-shaped frame 6 is sleeved on the heat dissipation sleeve 2, and a mounting hole 7 is opened on one side of the U-shaped frame 6. The setting of the U-shaped frame 6 is convenient for protecting the heat dissipation sleeve 2, and the setting of the mounting hole 7 is convenient for installing and fixing the communicator to maintain the transmission of data information.

[0037] In this embodiment, preferably, the upper surface of the data housing 8 is tilted, and a display screen 16 is provided in the middle of the upper portion of the data housing 8. The tilted data housing 8 facilitates observation of data information, and the display screen 16 facilitates display of data information.

[0038] In this embodiment, preferably, a connecting threaded barrel 15 is provided on the upper edge of the data housing 8, and the protective cap 9 is threadedly connected to the connecting threaded barrel 15. The connecting threaded barrel 15 realizes the installation and connection of the protective cap 9, thereby protecting the data housing 8.

[0039] Principle and advantages of use:

[0040] When in use, the platinum probe 1 is first protected by the heat dissipation sleeve 2, and the heat dissipation sleeve 2 is convenient for heat dissipation of the upper part of the platinum probe 1 to prevent excessive temperature and affect the data processing and transmission of the data housing 8, thereby improving the accuracy of temperature detection. Then, when installing, the temperature sensor is connected to the main reducer gear housing through the threaded column 3, and a mounting threaded hole with an angle of 45° to the entire bridge is processed on the boss of the main reducer gear housing. The end face is compressed and sealed by the threaded column 3, and a coaxial through hole is designed at the bottom of the hole to the oil channel, so that the platinum probe 1 can be extended into the oil channel to detect the temperature of the flowing gear oil in real time. After the temperature sensor is installed, the setting of the mounting hole 7 on one side of the U-shaped frame 6 is convenient for installing and fixing the communicator, maintaining the transmission of data information, and realizing safety protection of the protruding heat dissipation sleeve 2 and the platinum probe 1, and the data housing 8 is protected by the protective cap 9 to maintain the safety of the data housing 8.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil temperature sensor for a gear housing of a heavy truck axle main reducer, comprising a platinum probe (1), characterized in that: The upper part of the platinum probe (1) is sleeved with a heat dissipation sleeve (2), the bottom of the heat dissipation sleeve (2) is sleeved with a threaded column (3), the upper part of the threaded column (3) is provided with a gasket (4), the upper part of the gasket (4) is provided with a knob nut (5), the upper part of the heat dissipation sleeve (2) is sleeved with a U-shaped frame (6), the top end of the platinum probe (1) is threadedly connected to a data housing (8), and the top of the data housing (8) is threadedly connected to a protective cap (9).

2. The oil temperature sensor for the gear housing of the main reducer of a heavy truck axle according to claim 1 is characterized by: One side of the data housing (8) is connected to a data tube (10), and a cable electrically connected to the data housing (8) is arranged inside the data tube (10).

3. The oil temperature sensor for the gear housing of the main reducer of a heavy truck axle according to claim 1 is characterized by: A limiting plate (11) is welded to the middle of the platinum probe (1), and a locking nut (12) is threadedly connected to the bottom of the heat dissipation sleeve (2), and the locking nut (12) is fitted and connected to the limiting plate (11).

4. The oil temperature sensor for the gear housing of the main reducer of a heavy truck axle according to claim 1 is characterized by: The upper fitting portion of the threaded column (3) is sleeved with the gasket (4) and the knob nut (5).

5. The oil temperature sensor for the gear housing of the main reducer of a heavy truck axle according to claim 4 is characterized in that: The knob nut (5) and the top of the fitting portion are flush, a pressing plate (13) is fitted on the knob nut (5) and the fitting portion, and a holding nut (14) is provided on the pressing plate (13) and is threadedly connected to the heat dissipation sleeve (2).

6. The oil temperature sensor for the gear housing of the main reducer of a heavy truck axle according to claim 1 is characterized by: The U-shaped frame (6) is sleeved on the heat dissipation sleeve (2), and a mounting hole (7) is provided on one side of the U-shaped frame (6).

7. The oil temperature sensor for the gear housing of the main reducer of a heavy truck axle according to claim 1 is characterized by: The upper surface of the data housing (8) is arranged to be inclined, and a display screen (16) is arranged in the middle of the upper part of the data housing (8).

8. The oil temperature sensor for the gear housing of the main reducer of a heavy truck axle according to claim 1 is characterized by: The upper edge of the data housing (8) is provided with a connecting threaded barrel (15), and the protective cap (9) is threadedly connected to the connecting threaded barrel (15).