CN111664192A - Cross axle universal joint with life monitoring and early warning functions - Google Patents
Cross axle universal joint with life monitoring and early warning functions Download PDFInfo
- Publication number
- CN111664192A CN111664192A CN201910171184.0A CN201910171184A CN111664192A CN 111664192 A CN111664192 A CN 111664192A CN 201910171184 A CN201910171184 A CN 201910171184A CN 111664192 A CN111664192 A CN 111664192A
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- Prior art keywords
- universal joint
- sensor
- early warning
- life monitoring
- warning functions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/18—Sensors; Details or arrangements thereof
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of universal joints, and discloses a cross shaft universal joint with a service life monitoring and early warning function, aiming at the problems that the cross shaft universal joint in the prior art cannot predict the service life of the cross shaft universal joint and has accident risks. The sensor assembly comprises a sensor, a battery and a packaging structure, wherein the sensor is positioned above the battery, and the packaging structure is coated outside the sensor and the battery; the sensor monitors the universal joint of the cross shaft in real time, and when the product index exceeds a threshold value, the sensor automatically alarms. According to the invention, the sensor and the controller are additionally arranged, so that the temperature and the vibration of the universal joint of the cross shaft can be monitored in real time, the service life of the universal joint of the real vehicle can be monitored in real time, and the traffic accident caused by the abrasion failure of the universal joint can be effectively avoided.
Description
Technical Field
The invention relates to the technical field of universal joints, in particular to a cross shaft universal joint with a service life monitoring and early warning function.
Background
Under the conditions of heavy load, high rotating speed, large pivot angle and the like of the universal joint in the prior art, larger contact force and contact stress can be generated between the needle roller and the universal joint and between the needle roller and the shaft sleeve, so that the needle roller and the universal joint are subjected to fatigue wear, the universal joint is loosened or ablated, the driving function is finally lost, and even severe traffic accidents such as rollover and the like caused by the falling of the universal joint from a transmission shaft can possibly occur. And the service life of the universal joint cannot be predicted by the conventional universal joint with the cross shaft, so that the accident risk exists.
The patent with the Chinese patent application number of CN201520577392.8 discloses an oil seal mechanism of a cross shaft for a vehicle, and provides the oil seal mechanism of the cross shaft for the vehicle, which has the advantages of simple structure, improved sealing performance and prolonged service life. The oil seal mechanism of the cross shaft is convenient to process and simple and reasonable in structure. However, the universal joint service life of the universal joint cannot be predicted by the universal joint in the prior art, the universal joint cannot be replaced in time after fatigue wear of the universal joint and the roller pins, the universal joint is loosened or ablated, the driving function is finally lost, and even severe traffic accidents such as rollover and the like caused by the fact that the universal joint falls off from a transmission shaft can occur.
Disclosure of Invention
In order to solve the technical problem, the invention provides a cross shaft universal joint with a service life monitoring and early warning function. When the universal joint of the cross shaft is worn to a certain degree, the structure generates heat through friction, and higher temperature can be generated; at the same time, relatively significant vibrations are generated. According to the invention, the sensors including the temperature sensor and the vibration acceleration sensor are used for monitoring the temperature and the vibration acceleration of the structure in real time, and when the temperature or the vibration acceleration of the product exceeds a threshold value, an alarm is automatically given to remind the maintenance.
The specific technical scheme of the invention is as follows: the utility model provides a cross axle universal joint with life-span monitoring early warning function, sensor assembly is installed to the cross axle, sensor assembly includes sensor, battery and packaging structure.
Preferably, a blind hole is formed in the center of the cross shaft, and the sensor assembly is arranged in the blind hole.
Preferably, the packaging structure is wrapped outside the sensor and the battery. The sensor monitors the universal joint of the cross shaft in real time, and when the product index exceeds a threshold value, the sensor automatically alarms.
Under the conditions of heavy load, high rotating speed, large pivot angle and the like of the universal joint in the prior art, larger contact force and contact stress can be generated between the needle roller and the universal joint and between the needle roller and the shaft sleeve, so that the needle roller and the universal joint are subjected to fatigue wear, the universal joint is loosened or ablated, the driving function is finally lost, and even severe traffic accidents such as rollover and the like caused by the falling of the universal joint from a transmission shaft can possibly occur. According to the invention, the sensor and the controller are additionally arranged, so that the temperature and the vibration of the universal joint of the cross shaft can be monitored in real time, the service life of the universal joint of the real vehicle can be monitored in real time, and the traffic accident caused by the abrasion failure of the universal joint can be effectively avoided. When the universal joint is abraded to a certain degree, the structure generates heat through friction, and higher temperature can be generated; at the same time, relatively significant vibrations are generated. According to the invention, the temperature sensor and the vibration acceleration sensor are used for monitoring the temperature and the vibration acceleration of the structure in real time, and when the temperature or the vibration acceleration of a product exceeds a threshold value, an alarm is automatically given to remind maintenance. The sensor is packaged by the packaging structure, so that the sensor is protected and is not contacted with silt, rainwater and the like.
Preferably, the sensor is a wireless sensor.
Preferably, the sensor is at least one of a temperature sensor and a vibration acceleration sensor. Temperature and vibration signal monitoring are carried out on the universal joint through the temperature and acceleration sensors, and when the temperature or the vibration acceleration of a product exceeds a threshold value, automatic alarm is given out to remind of maintenance.
Preferably, the sensor is connected with a receiver, the receiver is connected with a controller, and the controller is connected with an alarm device. The receiver can receive signals sent by the sensor, and the controller processes the temperature and vibration acceleration signals sent by the sensor. When the temperature and the vibration acceleration sent by the sensor exceed threshold values, an alarm device is triggered to automatically alarm. The controller is connected with an external power supply. The controller is connected with the equipment adopting the universal joint with the service life monitoring and early warning function or the self-contained power supply of the vehicle.
Preferably, the battery is a high-temperature-resistant button battery.
Preferably, the package structure is a non-metal package structure. Avoiding the metallic structure from shielding the signal emitted by the sensor. The packaging structure is a nylon packaging structure.
Preferably, the side wall of the blind hole is provided with at least 1L-shaped groove which is uniformly distributed along the circumferential direction of the blind hole.
Preferably, at least 1 elastic bulge matched with the width of the L-shaped groove is uniformly arranged outside the packaging structure. The elastic bulge outside the packaging structure is matched with the L-shaped groove on the side wall of the blind hole, and the sensor assembly is fixedly connected with the cross shaft.
Preferably, a groove is arranged on the upper surface of the packaging structure. The groove is helpful for screwing the elastic bulge on the sensor assembly into the transverse groove of the L-shaped groove, so that the sensor assembly is fixedly connected with the cross shaft.
Preferably, the four ends of the cross shaft are provided with shaft sleeves, the joints of the shaft sleeves and the shaft necks of the cross shaft are provided with dust covers, gaskets are arranged between the bottom surface of the shaft sleeves and the outer side surfaces of the ends of the cross shaft, annular roller pins are arranged on the ends of the cross shaft in the shaft sleeves, oil seal sleeves are arranged at the ends of the cross shaft and located between the roller pins and the shaft necks of the cross shaft, and roller pin check rings are arranged outside the oil seals and close to the shaft necks of the cross shaft.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the sensors including the temperature sensor and the vibration acceleration sensor are used for monitoring the temperature and the vibration acceleration of the structure in real time, and when the temperature or the vibration acceleration of the product exceeds a threshold value, an alarm is automatically given to remind the maintenance.
Drawings
FIG. 1 is a schematic view of a universal joint pin joint with life monitoring and early warning functions according to the present invention;
FIG. 2 is a schematic view of a sensor assembly of the universal joint of the present invention;
FIG. 3 is a top view of a sensor assembly of the universal joint of the present invention;
fig. 4 is a schematic view of a blind bore of a universal joint pin joint of the present invention.
The reference signs are: 1. a cross shaft; 2. a dust cover; 3, oil sealing; 4. a shaft sleeve; 5. a needle roller retainer ring; 6. rolling needles; 7. a gasket; 8. blind holes; 9. a sensor assembly; 10. a sensor; 11. a battery; 12. a packaging structure; 13. a receiver; 14. a controller; 15. an alarm device; 16. an elastic bulge; an L-shaped groove; 18. and (4) a groove.
Detailed Description
The present invention will be further described with reference to the following examples. The devices, connections, and methods referred to in this disclosure are those known in the art, unless otherwise indicated.
Example 1
As shown in FIGS. 1-2: a universal joint pin universal joint with a service life monitoring and early warning function is characterized in that a blind hole 8 is formed in the center of a universal joint pin 1, a sensor assembly 9 is arranged in the blind hole and comprises a sensor 10, a battery 11 and a packaging structure 12, the sensor is located above the battery, and the packaging structure wraps the sensor and the battery; four ends of the cross shaft are provided with shaft sleeves 4, the joints of the shaft sleeves and the shaft necks of the cross shaft are provided with dust covers 2, gaskets 7 are arranged between the bottom surface of the shaft sleeves and the outer side surfaces of the ends of the cross shaft, annular roller pins 6 are arranged on the ends of the cross shaft in the shaft sleeves, oil seals 3 are sleeved on the ends of the cross shaft and located between the roller pins and the shaft necks of the cross shaft, and roller pin check rings 5 are arranged outside the oil seals and close to the shaft necks of the cross shaft. The sensor monitors the universal joint of the cross shaft in real time, and when the product index exceeds a threshold value, the sensor automatically alarms. As shown in fig. 2: the sensor is connected with a receiver 13, which is connected with a controller 14, which is connected with an alarm device 15. The receiver can receive signals sent by the sensor, and the controller processes the temperature and vibration acceleration signals sent by the sensor. When the temperature and the vibration acceleration sent by the sensor exceed threshold values, an alarm device is triggered to automatically alarm.
According to the invention, the sensor and the controller are additionally arranged, so that the temperature and the vibration of the universal joint of the cross shaft can be monitored in real time, the service life of the universal joint of the real vehicle can be monitored in real time, and the traffic accident caused by the abrasion failure of the universal joint can be effectively avoided. When the universal joint is abraded to a certain degree, the structure generates heat through friction, and higher temperature can be generated; at the same time, relatively significant vibrations are generated. According to the invention, the temperature sensor and the vibration acceleration sensor are used for monitoring the temperature and the vibration acceleration of the structure in real time, and when the temperature or the vibration acceleration of a product exceeds a threshold value, an alarm is automatically given to remind maintenance. The sensor is packaged by the packaging structure, so that the sensor is protected and is not contacted with silt, rainwater and the like.
The sensor is a wireless sensor; the controller is connected with an external power supply. The controller is connected with the equipment adopting the universal joint with the service life monitoring and early warning function or the self-contained power supply of the vehicle. The sensor is a temperature sensor and a vibration acceleration sensor. Temperature and vibration signal monitoring are carried out on the universal joint through the temperature and acceleration sensors, and when the temperature or the vibration acceleration of a product exceeds a threshold value, automatic alarm is given out to remind of maintenance. The battery is a high-temperature-resistant button battery. The packaging structure is a nonmetal packaging structure. Avoiding the metallic structure from shielding the signal emitted by the sensor. The packaging structure is a nylon packaging structure.
As shown in fig. 4: the side wall of the blind hole is provided with 2L-shaped grooves 17 which are uniformly distributed along the circumferential direction of the blind hole. As shown in fig. 3: 2 elastic bulges 16 matched with the width of the L-shaped groove are uniformly arranged outside the packaging structure; a recess 18 is provided in the upper surface of the encapsulation structure. The elastic bulge outside the packaging structure is matched with the L-shaped groove on the side wall of the blind hole, and the sensor assembly is fixedly connected with the cross shaft. The groove is helpful for screwing the elastic bulge on the sensor assembly into the transverse groove of the L-shaped groove, so that the sensor assembly is fixedly connected with the cross shaft. When the sensor assembly is installed into the blind hole, the elastic bulge is aligned with the groove of the L-shaped groove, the upper part of the sensor assembly is pressed until the sensor assembly is fixed, the groove on the upper surface of the packaging structure is buckled by hands or tools to rotate anticlockwise, and the sensor assembly can be fixed in the blind hole, so that the sensor assembly is fixedly connected with the cross shaft.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a cross axle universal joint with life-span monitoring early warning function which characterized in that: a sensor assembly (9) is mounted on the cross shaft (1), and the sensor assembly comprises a sensor (10), a battery (11) and a packaging structure (12).
2. The universal joint pin with life monitoring and early warning functions as claimed in claim 1, wherein: a blind hole (8) is formed in the center of the cross shaft, and the sensor assembly is arranged in the blind hole.
3. The universal joint pin with life monitoring and early warning functions as claimed in claim 1, wherein: the packaging structure is wrapped outside the sensor and the battery.
4. The universal joint pin with life monitoring and early warning functions as claimed in claim 1, wherein: the sensor is a wireless sensor; the controller is connected with an external power supply.
5. The universal joint pin with life monitoring and early warning functions as claimed in claim 4, wherein: the sensor is at least one of a temperature sensor and a vibration acceleration sensor.
6. The universal joint pin with life monitoring and early warning functions as claimed in claim 1 or 5, wherein: the sensor is connected with a receiver (13), the receiver is connected with a controller (14), and the controller is connected with an alarm device (15).
7. The universal joint pin with life monitoring and early warning functions as claimed in claim 1, wherein: the side wall of the blind hole is provided with at least 1L-shaped groove (17) which is uniformly distributed along the circumferential direction of the blind hole.
8. The universal joint pin joint with life monitoring and early warning functions as claimed in claim 7, wherein: at least 1 elastic bulge (16) matched with the width of the L-shaped groove is uniformly arranged outside the packaging structure.
9. The universal joint pin with life monitoring and early warning functions as claimed in claim 8, wherein: a groove (18) is arranged on the upper surface of the packaging structure.
10. The universal joint pin with life monitoring and early warning functions as claimed in claim 1, wherein: the universal joint is characterized in that shaft sleeves (4) are arranged at four end parts of the universal joint, a dust cover (2) is arranged at the joint of the shaft sleeves and the shaft neck of the universal joint, gaskets (7) are arranged between the bottom surface of the shaft sleeves and the outer side surface of the end part of the universal joint, annular roller pins (6) are arranged at the end parts of the universal joint in the shaft sleeves, oil seals (3) are sleeved at the end parts of the universal joint and are located between the roller pins and the shaft neck of the universal joint, and roller pin retaining rings (5) are arranged at the positions, close to the shaft neck of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171184.0A CN111664192A (en) | 2019-03-07 | 2019-03-07 | Cross axle universal joint with life monitoring and early warning functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910171184.0A CN111664192A (en) | 2019-03-07 | 2019-03-07 | Cross axle universal joint with life monitoring and early warning functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111664192A true CN111664192A (en) | 2020-09-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910171184.0A Pending CN111664192A (en) | 2019-03-07 | 2019-03-07 | Cross axle universal joint with life monitoring and early warning functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111664192A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115112367A (en) * | 2022-08-29 | 2022-09-27 | 万向钱潮股份公司 | Universal joint and monitoring and early warning method and system for working state of universal joint |
| CN115199662A (en) * | 2022-07-28 | 2022-10-18 | 重庆长安汽车股份有限公司 | Drive shaft assembly with early-stage fault detection alarm function and detection alarm method |
| CN115342118A (en) * | 2022-08-16 | 2022-11-15 | 杭州鑫凯传动机械有限公司 | Automatic circulation liquid cooling type universal joint cross |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1122527A2 (en) * | 2000-02-03 | 2001-08-08 | Meritor Heavy Vehicle Technology, LLC | Thermally activated sensor system |
| CN201751616U (en) * | 2010-06-13 | 2011-02-23 | 杭州新世纪万向节有限公司 | Universal joint with dustproof oil seal mechanism |
| WO2011133946A2 (en) * | 2010-04-22 | 2011-10-27 | Blue Belt Technologies, Llc | Attachment mechanism |
| CN208089793U (en) * | 2018-02-02 | 2018-11-13 | 鹰普机械（泰州）有限公司 | A kind of automobile cross axle convenient for changeing |
-
2019
- 2019-03-07 CN CN201910171184.0A patent/CN111664192A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1122527A2 (en) * | 2000-02-03 | 2001-08-08 | Meritor Heavy Vehicle Technology, LLC | Thermally activated sensor system |
| JP2001304975A (en) * | 2000-02-03 | 2001-10-31 | Meritor Heavy Vehicle Technology Llc | Sensor system, universal joint, and temperature detecting method |
| WO2011133946A2 (en) * | 2010-04-22 | 2011-10-27 | Blue Belt Technologies, Llc | Attachment mechanism |
| CN103097747A (en) * | 2010-04-22 | 2013-05-08 | 蓝带技术有限责任公司 | Attachment mechanism |
| CN201751616U (en) * | 2010-06-13 | 2011-02-23 | 杭州新世纪万向节有限公司 | Universal joint with dustproof oil seal mechanism |
| CN208089793U (en) * | 2018-02-02 | 2018-11-13 | 鹰普机械（泰州）有限公司 | A kind of automobile cross axle convenient for changeing |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199662A (en) * | 2022-07-28 | 2022-10-18 | 重庆长安汽车股份有限公司 | Drive shaft assembly with early-stage fault detection alarm function and detection alarm method |
| CN115199662B (en) * | 2022-07-28 | 2023-10-27 | 重庆长安汽车股份有限公司 | Driving shaft assembly with early-stage fault detection alarm and detection alarm method |
| CN115342118A (en) * | 2022-08-16 | 2022-11-15 | 杭州鑫凯传动机械有限公司 | Automatic circulation liquid cooling type universal joint cross |
| CN115342118B (en) * | 2022-08-16 | 2023-12-15 | 杭州鑫凯传动机械有限公司 | Automatic circulation liquid-cooled universal joint cross shaft |
| CN115112367A (en) * | 2022-08-29 | 2022-09-27 | 万向钱潮股份公司 | Universal joint and monitoring and early warning method and system for working state of universal joint |
| CN115112367B (en) * | 2022-08-29 | 2022-11-08 | 万向钱潮股份公司 | Universal joint and monitoring and early warning method and system for working state of universal joint |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200915 |
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| RJ01 | Rejection of invention patent application after publication |