CN202853786U - Device used for measuring internal parameters of rotating member - Google Patents

Device used for measuring internal parameters of rotating member Download PDF

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Publication number
CN202853786U
CN202853786U CN 201220565871 CN201220565871U CN202853786U CN 202853786 U CN202853786 U CN 202853786U CN 201220565871 CN201220565871 CN 201220565871 CN 201220565871 U CN201220565871 U CN 201220565871U CN 202853786 U CN202853786 U CN 202853786U
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CN
China
Prior art keywords
sensor
revolving part
slip ring
axle head
transmission shaft
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Expired - Fee Related
Application number
CN 201220565871
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Chinese (zh)
Inventor
张俊
陆军琰
孙琪
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SAIC Volkswagen Automotive Co Ltd
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Shanghai Volkswagen Automotive Co Ltd
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Application filed by Shanghai Volkswagen Automotive Co Ltd filed Critical Shanghai Volkswagen Automotive Co Ltd
Priority to CN 201220565871 priority Critical patent/CN202853786U/en
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Publication of CN202853786U publication Critical patent/CN202853786U/en
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Abstract

The utility model provides a device used for measuring internal parameters of a rotating member. The device comprises a sensor, which comprises a measuring element and a lead. The measuring element is embedded in the rotating member, which is provided with a hole. The lead of the sensor can be led out from the hole of the rotating member. A shaft end slip ring is disposed on an outer side of an end of the rotating member, and is provided with a rotor and a stator. The rotor is connected with the lead of the sensor, which is led out from the inside of the rotating member. A data acquisition device is connected with the stator of the shaft end slip ring by the lead.

Description

A kind of device for measuring the revolving part inner parameter
Technical field
The utility model relates to the measurement mechanism of revolving part inner parameter, relates in particular to the measurement mechanism of system of vehicle transmission sheath shaft internal grease temperature.
Background technology
As far as is known, measuring method and the relevant apparatus of multiple measurement revolving part internal temperature arranged in the prior art, yet those methods all adopt the mode of wireless measurement.These measurement mechanisms substantially all comprise a temperature measuring equipment, temperature signal emitter and temperature signal receiving trap etc.
Owing to adopt the mode of wireless measurement so that the equipment price that these schemes adopt is all very expensive, and the complexity of measurement mechanism all the needed knowledge quantity of higher, operating personnel is also larger, be not suitable for and promote the use of.The more important thing is that measurement mechanism of the prior art is also deposited problems.
In addition, for now, for transmission shaft, power, displacement and vibration to liking transmission shaft that most of enterprise measures.The rare way of measuring the transmission shaft lubricating oil grease temperature that is in sealing state of car load in the prior art.
Therefore, need a kind of device and method cost and complexity and that can be used for measuring vehicle transmission shaft sheath internal grease temperature measured that reduce badly.
The utility model content
The utility model provides a kind of device and method of measuring the parameters that comprises temperature of revolving part.This device and method adopt the mode of pure mechanical connection to come measuring vehicle transmission shaft inside to be in grease temperature under the sealing state, greatly reduce and measure cost and complexity.
Particularly, the utility model provides a kind of device for measuring the revolving part inner parameter, and described device comprises:
Sensor, described sensor comprises measuring sensor and wire, and wherein, described measuring sensor is embedded in the described revolving part, and described revolving part has hole, and the wire of described sensor is drawn from the hole of described revolving part;
The axle head slip ring is installed on the outside of described revolving part one end, and described axle head slip ring has rotor and stator, and described rotor is connected with the wire of the sensor of drawing from described revolving part inside; And
Data acquisition equipment is connected by wire with the stator of described axle head slip ring.
In one embodiment, described device also comprises shaft collar, and described shaft collar is between described revolving part and described axle head slip ring.
In one embodiment, described sensor comprises thermal sensor, and described parameter comprises temperature parameter.
In one embodiment, described revolving part comprises: transmission shaft, and the sheath inside of described transmission shaft comprises the grease of the measured temperature of wish; And hub for vehicle wheel, be connected with described transmission shaft; Wherein, described thermal sensor measuring sensor is embedded in the described grease, and described shaft collar is connected with described hub for vehicle wheel.
In one embodiment, described thermal sensor comprises K type temperature sensor.
In one embodiment, described data acquisition equipment is fixed on interior, and vehicle body is static relatively.
In one embodiment, the signal between described rotor and the stator transmits by the carbon brush of described axle head slip ring axis inside, and described information finally is delivered to described data acquisition equipment.
The utility model also provides a kind of method for measuring the revolving part inner parameter, and described method comprises:
The measuring sensor of sensor is embedded in the revolving part;
Punch at described revolving part;
The wire that is embedded in the sensor in the described revolving part is drawn from the punching of described revolving part;
One axle head slip ring is provided, and described axle head slip ring comprises rotor and stator;
The wire of the sensor that will draw from the punching of described revolving part is connected with the rotor of described axle head slip ring; And
The stator of described axle head slip ring is connected with data acquisition equipment by wire.
In one embodiment, described method also comprises:
Between described revolving part and described axle head slip ring, provide a shaft collar; And
It is also coaxial in described revolving part to utilize described shaft collar that described axle head slip ring is fixed on the described revolving part.
In one embodiment, described sensor comprises thermal sensor, and described parameter comprises temperature parameter.
In one embodiment, described revolving part comprises transmission shaft and hub for vehicle wheel.Described transmission shaft sheath inside comprises the grease that is sealed in wherein.Described hub for vehicle wheel is connected with described transmission shaft.Wherein, the measuring sensor of described thermal sensor is embedded in the described grease, described shaft collar is connected with described hub for vehicle wheel, is used for described axle head slip ring is fixed on described hub for vehicle wheel, and makes rotor and described hub for vehicle wheel coaxial rotation in the described axle head slip ring.
In one embodiment, described thermal sensor comprises K type temperature sensor.
In one embodiment, described data acquisition equipment is fixed on interior, and vehicle body is static relatively.
In one embodiment, described method also comprises:
At least one parameter of the described revolving part of described sensor measurement inside, and obtain measurement data;
Described measurement data is passed to described rotor;
The carbon brush of the axis inside by described axle head slip ring is delivered to described stator with described measurement data from described rotor; And
Described measurement data is delivered to described data acquisition equipment from described stator.
The apparatus and method that are used for measurement revolving part inner parameter that the utility model provides have following beneficial effect.At first, the utility model provides a kind of new measurement scheme, can measure the temperature of transmission shaft sheath internal lubrication grease; Secondly, the technical scheme that the utility model provides is utilized existing various device and transmission shaft is carried out certain processing just can realize, greatly reduces the complexity of testing cost and testing apparatus; Again, the technical solution of the utility model can expand to the parameters that comprises temperature of measuring rotary part; In addition, the technical solution of the utility model can also be applicable to vehicle road test, owing to adopt pure mechanical connection, therefore, can not be subjected to approximately element of the factors such as externally fed, electromagnetic signal interference.
Description of drawings
Above utility model content of the present utility model and following embodiment can be better understood when reading by reference to the accompanying drawings.Need to prove that accompanying drawing is only as the example of claimed utility model.In the accompanying drawings, the identical identical or similar element of Reference numeral representative.
Fig. 1 illustrates the transmission shaft grease temperature survey synoptic diagram according to an embodiment of the present utility model; And
Fig. 2 illustrates the process flow diagram that is used for measuring the revolving part inner parameter according to an embodiment of the present utility model.
Embodiment
Below in embodiment, be described in detail detailed features of the present utility model and advantage, its content is enough to make any those skilled in the art to understand technology contents of the present utility model and implements according to this, and according to the disclosed instructions of this instructions, claim and accompanying drawing, those skilled in the art can understand the utility model relevant purpose and advantage easily.
As previously mentioned, in the prior art, usually all is to adopt wireless mode that the parameter of vehicular transmission shaft inside is measured, this has caused measures that cost is high, measurement mechanism is complicated and technician's knowledge expertise is required the shortcomings such as high.
In addition, when measuring transmission shaft sheath internal grease temperature, usually can run into following problem.
Problem one: transmission shaft sheath internal grease is within the confined space that dust cover sheath and transmission shaft surround, and K type thermopair directly directly can't be contacted with tested grease, thereby can't measure the grease temperature.
Problem two: transmission shaft is the parts of a relative vehicle body High Rotation Speed, and the sensor of measuring temperature directly contacts and is fixed on above the transmission shaft with transmission shaft; And data acquisition equipment is to be fixed on interior, and vehicle body is static relatively.Therefore, how the K type temperature sensor of rotation and static data acquisition equipment being coupled together also is a challenge.
Problem three: the axle head slip ring is to need fixing and coaxially in hub for vehicle wheel, how to be fixed and coaxial on hub for vehicle wheel, and this equally also is a problem.
The utility model provides a kind of new thermometry based on contact K type thermopair, axle head slip ring, adopt the mode of pure mechanical connection to come measuring vehicle transmission shaft inside to be in grease temperature under the sealing state, solved well shortcoming and above-mentioned three problems mentioning that wireless measurement brings.
Fig. 1 illustrates the transmission shaft grease temperature survey synoptic diagram according to an embodiment of the present utility model.The measurement mechanism of this transmission shaft internal grease temperature comprises transmission shaft 1, the hub for vehicle wheel 2 that is connected with transmission shaft 1, shaft collar 3, axle head slip ring 9, thermal sensor 6, thermal sensor wire 7, grease 8.
Grease 8 is within the confined space that dust cover sheath and transmission shaft 1 surround.Thermal sensor 6 is embedded in the grease 8.Thermal sensor 6 directly contacts with tested grease 8, with the temperature information of direct measurement grease 8.In one embodiment, this thermal sensor 6 can be K type temperature sensor, i.e. K type thermopair.According to the technical solution of the utility model, can carry out punch operation to the polished rod of transmission shaft 1 and dust cover junction, punching from the middle part of transmission shaft 1 with the wire with thermal sensor extracts.Finish transmission shaft afterwards for assembling, transmission shaft and dust cover sheath still are enclosed in lubricant grease wherein, but the contact of thermal sensor has been embedded in inside.
Above structure, so that the utility model can adopt thermal sensor directly to measure the grease temperature, solved the problems referred to above one, thereby namely the transmission shaft internal grease is within dust cover sheath and the confined space that transmission shaft surrounds and K type thermopair directly directly can't be contacted the problem of measurement grease temperature with tested grease.
Transmission shaft is the parts of a relative vehicle body High Rotation Speed, directly contacts and is fixed on the transmission shaft with transmission shaft owing to measure the thermal sensor of temperature, and therefore, thermal sensor is relative vehicle body High Rotation Speed also.And data acquisition equipment is fixed on interior, so the relative vehicle body of data acquisition equipment is static.So for the connection between the thermal sensor that solves High Rotation Speed and the relative static data acquisition equipment, the utility model provides axle head slip ring 9.This axle head slip ring 9 comprises rotor 4 and stator 5.Rotor 4 has the rotor-end signalling contact.The rotor-end signalling contact is connected with the thermal sensor wire 7 of drawing from transmission shaft 1, so that the measured temperature information of thermal sensor is delivered to rotor 4 by thermal sensor wire 7.In one embodiment, the hole of thermal sensor wire by the axle head of transmission shaft reaches the hub for vehicle wheel outside and is connected with the rotor of axle head slip ring.Stator 5 has the stator terminal signals contact.The stator terminal signals contact is connected with data acquisition equipment, and data acquisition equipment is connected with vehicle body with stator, and itself and vehicle body are bound together.Signal between stator terminal signals contact and the rotor-end signalling contact transmits by the carbon brush of slip ring axis inside.Thus, thermal sensor 6 measured temperature informations successfully are passed to data acquisition equipment by axle head slip ring 9, the signal connectivity problem of the thermal sensor 6 that has solved High Rotation Speed and static data acquisition equipment, and namely the problems referred to above two.
Axle head slip ring 9 is running up, if axle head slip ring 9 can not keep balance, can constantly swing, so that the signal between rotor and the stator can't be stablized output.In order to address this problem (being the problems referred to above three), the utility model also provides shaft collar 3, between hub for vehicle wheel 2 and axle head slip ring 9, this shaft collar 3 is used for being fixed on axle head slip ring 9 on the hub for vehicle wheel and making axle head slip ring 9 and hub for vehicle wheel coaxial rotation.Shaft collar was a kind of device for fixation measuring wheel torque sensor originally, and this dish possesses good dynamic balance, and the right alignment centring property is good, was used for being fixed on the described revolving part axle head slip ring 9 also coaxial in described revolving part.The utility model has carried out structure of modification again to shaft collar, and it can be mated with the axle head slip ring.So just take full advantage of, the advantage that transient equilibrium ability and right alignment are good has guaranteed that the not light axle head slip ring of quality (≈ 10000rpm) under fast state does not cause the eccentric motion of self.
It is pointed out that the technical solution of the utility model is not limited in measurement transmission shaft sheath internal grease temperature, the technical solution of the utility model can also be applied in the various parameters of measuring various revolving parts inside.Therefore, in fact the utility model provides a kind of device for measuring the revolving part inner parameter.This device comprises revolving part, sensor, axle head slip ring, data acquisition equipment, shaft collar.
In one embodiment, this revolving part be perforated (for example, can punch at the middle part of this revolving part).This sensor is embedded in the revolving part, and the wire of sensor is drawn from the punching of revolving part.This sensor is used for directly measuring the parameter of revolving part inside.In one embodiment, this parameter can comprise temperature parameter.In one embodiment, the utility model can adopt one or more sensors to measure one or more parameters of revolving part inside.
This axle head slip ring is positioned at the outside of revolving part one end, and this axle head slip ring has rotor and stator, and the sensor conductor of drawing from the punching of transmission shaft is connected with this rotor.This data acquisition equipment is fixed in vehicle body, and is connected with the stator of axle head slip ring.Signal between rotor and the stator transmits by the carbon brush of axle head slip ring axis inside.By adopting said structure, so that can output on the static data acquisition equipment of relative vehicle body with the measured measurement data of the sensor of revolving part High Rotation Speed.
Shaft collar be used for being fixed on the axle head slip ring on the revolving part and making the axle head slip ring coaxial in revolving part, thereby so that the signal between rotor and the stator can be stablized output between revolving part and axle head slip ring.
In one embodiment, this measurement mechanism is used to the temperature of measuring vehicle transmission shaft internal grease.At this moment, this revolving part comprises vehicular transmission shaft and hub for vehicle wheel, and wherein hub for vehicle wheel is connected with transmission shaft.Sensor can be K type temperature sensor, is used for measuring the temperature of transmission shaft internal grease; Shaft collar is fixed on the hub for vehicle wheel, makes rotor and the hub for vehicle wheel coaxial rotation of axle head slip ring.
Fig. 2 illustrates the process flow diagram that is used for measuring the revolving part inner parameter according to an embodiment of the present utility model.In step 201, the measuring sensor of sensor is embedded in the revolving part, at least one parameter of the described revolving part of described sensor measurement inside, and obtain measurement data.In step 202, punch at described revolving part.In step 203, the wire that is embedded in the sensor in the described revolving part is drawn from the punching of described revolving part.In step 204, an axle head slip ring is provided, described axle head slip ring comprises rotor and stator.In step 205, the wire of the sensor that will draw from the punching of described revolving part is connected with the rotor of described axle head slip ring, in order to described measurement data is passed to described rotor.In step 206, the carbon brush of the axis inside by described axle head slip ring is delivered to described stator with described measurement data from described rotor.In step 207, the stator of described axle head slip ring is connected with data acquisition equipment by wire, be fixed on interior in order to described measurement data is delivered to the wherein said data acquisition equipment of described data acquisition equipment from described stator, and vehicle body is static relatively.In step 208, between described revolving part and described axle head slip ring, provide a shaft collar.In step 209, utilize described shaft collar to make described axle head slip ring be fixed on the described revolving part and make described axle head slip ring coaxial in described revolving part.
In one embodiment, described sensor comprises thermal sensor, and described parameter comprises temperature parameter.In one embodiment, described thermal sensor comprises K type temperature sensor.
In one embodiment, this measuring method is used to the temperature of measuring vehicle transmission shaft internal grease.At this moment, described revolving part comprises transmission shaft and hub for vehicle wheel, described hub for vehicle wheel is connected with described transmission shaft, the measuring sensor of described thermal sensor is embedded in the described transmission shaft internal grease, described shaft collar is used for being fixed on described axle head slip ring on the described hub for vehicle wheel and making described axle head slip ring coaxial in described hub for vehicle wheel between described hub for vehicle wheel and described axle head slip ring.
The apparatus and method that are used for measurement revolving part inner parameter that the utility model provides have following beneficial effect.At first, the utility model provides a kind of new measurement scheme, can measure the temperature of transmission shaft sheath internal lubrication grease; Secondly, the technical scheme that the utility model provides is utilized existing various device and transmission shaft is carried out certain processing just can realize, greatly reduces the complexity of testing cost and testing apparatus; Again, the technical solution of the utility model can expand to the parameters that comprises temperature of measuring rotary part; In addition, the technical solution of the utility model can also be applicable to vehicle road test, owing to adopt pure mechanical connection, therefore, can not be subjected to approximately element of the factors such as externally fed, electromagnetic signal interference.
Here the term that adopts and form of presentation just are used for describing, and the utility model also should not be limited to these terms and statement.Use these terms and statement and do not mean that the equivalent features of getting rid of any signal and description (or wherein part), will be appreciated that the various modifications that may exist also should be included in the claim scope.Other modifications, variation and replacement also may exist.Accordingly, claim should be considered as covering all these equivalents.
The above has carried out further detailed description to the purpose of this utility model, technical scheme and beneficial effect; institute is understood that; the above is not in order to limit the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (7)

1. device of be used for measuring the revolving part inner parameter is characterized in that described device comprises:
Sensor, described sensor comprises measuring sensor and wire, and wherein, described measuring sensor is embedded in the described revolving part, and described revolving part has hole, and the wire of described sensor is drawn from the hole of described revolving part;
The axle head slip ring is installed on the outside of described revolving part one end, and described axle head slip ring has rotor and stator, and described rotor is connected with the wire of the sensor of drawing in described revolving part; And
Data acquisition equipment is connected by wire with the stator of described axle head slip ring.
2. device as claimed in claim 1 is characterized in that, described device also comprises:
Shaft collar, described shaft collar is between described revolving part and described axle head slip ring.
3. device as claimed in claim 1 is characterized in that, described sensor comprises thermal sensor, and described parameter comprises temperature parameter.
4. device as claimed in claim 3 is characterized in that, described revolving part comprises:
Transmission shaft, the sheath inside of described transmission shaft comprises the grease of the measured temperature of wish; And
Hub for vehicle wheel is connected with described transmission shaft;
Wherein, described thermal sensor measuring sensor is embedded in the described grease, and described shaft collar is connected with described hub for vehicle wheel.
5. device as claimed in claim 3 is characterized in that, described thermal sensor comprises K type temperature sensor.
6. device as claimed in claim 1 is characterized in that, described data acquisition equipment is fixed on interior, and vehicle body is static relatively.
7. device as claimed in claim 1 is characterized in that, the signal between described rotor and the stator transmits by the carbon brush of described axle head slip ring axis inside, and described information finally is delivered to described data acquisition equipment.
CN 201220565871 2012-10-31 2012-10-31 Device used for measuring internal parameters of rotating member Expired - Fee Related CN202853786U (en)

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Application Number Priority Date Filing Date Title
CN 201220565871 CN202853786U (en) 2012-10-31 2012-10-31 Device used for measuring internal parameters of rotating member

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CN 201220565871 CN202853786U (en) 2012-10-31 2012-10-31 Device used for measuring internal parameters of rotating member

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103344382A (en) * 2013-07-09 2013-10-09 浙江省计量科学研究院 Roller counterforce type automobile brake inspection table dynamic braking force two-wheeled calibrating instrument
CN103792016A (en) * 2012-10-31 2014-05-14 上海大众汽车有限公司 A device and method for measuring internal parameters of a rotation member
CN108168869A (en) * 2018-01-10 2018-06-15 农业部南京农业机械化研究所 A kind of rotary tillage machine run-in stand
CN108195474A (en) * 2018-01-25 2018-06-22 汽-大众汽车有限公司 A kind of method for vehicular transmission shaft temperature survey and its can thermometric transmission shaft
CN113203491A (en) * 2021-04-27 2021-08-03 东风马勒热系统有限公司 Thermocouple temperature measuring slip ring for measuring temperature of rotating part

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103792016A (en) * 2012-10-31 2014-05-14 上海大众汽车有限公司 A device and method for measuring internal parameters of a rotation member
CN103344382A (en) * 2013-07-09 2013-10-09 浙江省计量科学研究院 Roller counterforce type automobile brake inspection table dynamic braking force two-wheeled calibrating instrument
CN108168869A (en) * 2018-01-10 2018-06-15 农业部南京农业机械化研究所 A kind of rotary tillage machine run-in stand
CN108195474A (en) * 2018-01-25 2018-06-22 汽-大众汽车有限公司 A kind of method for vehicular transmission shaft temperature survey and its can thermometric transmission shaft
CN108195474B (en) * 2018-01-25 2024-01-30 一汽-大众汽车有限公司 Method for measuring temperature of vehicle transmission shaft and transmission shaft capable of measuring temperature
CN113203491A (en) * 2021-04-27 2021-08-03 东风马勒热系统有限公司 Thermocouple temperature measuring slip ring for measuring temperature of rotating part

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Anting Jiading District Town, Shanghai City Road No. 123 in 201805

Patentee after: SAIC VOLKSWAGEN AUTOMOTIVE COMPANY LIMITED

Address before: Anting Jiading District Town, Shanghai City Road No. 123 in 201805

Patentee before: Dazhang Automobile Co., Ltd., Shanghai

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130403

Termination date: 20171031

CF01 Termination of patent right due to non-payment of annual fee