CN110344468A - Center-rotary joint and detection method - Google Patents

Center-rotary joint and detection method Download PDF

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Publication number
CN110344468A
CN110344468A CN201910579031.XA CN201910579031A CN110344468A CN 110344468 A CN110344468 A CN 110344468A CN 201910579031 A CN201910579031 A CN 201910579031A CN 110344468 A CN110344468 A CN 110344468A
Authority
CN
China
Prior art keywords
center
sensor element
rotary joint
rotor
stator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910579031.XA
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Chinese (zh)
Inventor
刘启明
尹满义
訚顺宽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sany Heavy Machinery Ltd
Original Assignee
Sany Heavy Machinery Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sany Heavy Machinery Ltd filed Critical Sany Heavy Machinery Ltd
Priority to CN201910579031.XA priority Critical patent/CN110344468A/en
Publication of CN110344468A publication Critical patent/CN110344468A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/26Indicating devices
    • E02F9/264Sensors and their calibration for indicating the position of the work tool

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

The present invention relates to technical field of angle detection, in particular to a kind of center-rotary joint and detection method.Center-rotary joint includes revolving body, rotating shaft, rotation axis, dead axle and sensor element;Sensor element includes rotor and stator, and rotor, rotation axis, rotating shaft and upper mounting plate are fixed, and the stator, dead axle, revolving body and lower platform in sensor element are fixed;Sensor element is configured as being converted to the relative rotation of the rotor and stator of sensor element when upper lower platform relatively rotates, and the rotary motion of shaft in working range is detected by using the Hall effect integrated circuit with magnetic bias.The more common mechanical gear measurement angle of revolution method structure of such center-rotary joint is simple, and more simple electric appliance sensing element anti-electromagnetic interference capability is strong, there is preferable comprehensive performance.

Description

Center-rotary joint and detection method
Technical field
The present invention relates to technical field of angle detection, in particular to a kind of center-rotary joint and detection method.
Background technique
Hydraulic crawler excavator, which is intended to intelligent, automated construction, at present becomes a new direction of excavator technology, automatically Change the various parameters constructed and needed in excavator real work, the especially measurement of angle of revolution, since work operating condition is mostly mine Mountain, inclement condition, the main material of excavator itself is irony, strong to the interference of electric signal, and angle of revolution is difficult always accurately Realization real-time measurement, by swivel joint structural research find.
Summary of the invention
The purpose of the present invention includes, for example, a kind of center-rotary joint and detection method are provided, it can be more common Mechanical gear measurement angle of revolution method structure is simple, and more simple electric appliance sensing element anti-electromagnetic interference capability is strong, has preferably Comprehensive performance.
The embodiment of the present invention this can be implemented so that
In a first aspect, the embodiment of the present invention provides a kind of center-rotary joint, comprising:
Revolving body, rotating shaft, rotation axis, dead axle and sensor element;
The sensor element includes rotor and stator, and the rotor, the rotation axis, the rotating shaft and upper mounting plate are solid Fixed, the stator, the dead axle, the revolving body and lower platform in the sensor element are fixed;
The sensor element is configured as being converted to the rotor of sensor element when upper lower platform relatively rotates With the relative rotation of stator, shaft in working range is detected by using the Hall effect integrated circuit with magnetic bias Rotary motion.The more common mechanical gear measurement angle of revolution method structure of such center-rotary joint is simple, more simple Electric appliance sensing element anti-electromagnetic interference capability is strong, there is preferable comprehensive performance.
In alternative embodiments,
The sensor is magnetic bias sensor.
In alternative embodiments,
The relative rotation of the rotor and stator, represented in the form of the pulse voltage of circuit output rotating range 0~ 360 ° of absolute angular positions.
In alternative embodiments,
It further include control unit, when the upper lower platform relatively rotates, the rotor and stator relative motion are generated Signal acquisition be transferred to control unit.
In alternative embodiments,
It further include connection bus and display screen;
After the collected rotary angle signal processing of described control unit, pass through connection bus CAN data/address bus measurement letter Breath is transmitted to display screen, and real-time display goes out angle of revolution.
In alternative embodiments,
The connection bus is CAN data/address bus.
In alternative embodiments,
The rotation axis has radially inward recessed portion, and the recessed portion extends along the short transverse of the rotation axis To predeterminated position.
In alternative embodiments,
The recessed portion is circumferentially distributed, to form annular groove.
In alternative embodiments,
The recessed portion extends to the position of sensor element from the tie point of rotating shaft and rotation axis.
Second aspect, the embodiment of the present invention provide a kind of detection method,
The detection method is based on center-rotary joint described in any one of aforementioned embodiments comprising following steps:
Rotor, rotation axis, the rotating shaft of swivel joint and upper mounting plate are fixed, stator, dead axle in sensor element, revolution The revolving body of connector is fixed with lower platform;
When upper lower platform relatively rotates, it can be converted to the relative rotation of the rotor and stator of sensor element, led to It crosses using the Hall effect integrated circuit with magnetic bias and detects the rotary motion of shaft in working range;
Rotating range is represented in the form of the pulse voltage of circuit output in 0~360 ° of absolute angular position, signal acquisition After being transferred to control unit processing;
It is transmitted to display screen by bus metrical information, real-time display goes out angle of revolution.
The beneficial effect of the embodiment of the present invention includes, for example:
Increase the dead axle being fixed together with revolving body, the rotation axis together with rotating shaft, dead axle and rotation axis are distinguished Sensor element is installed, installation is easy.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the swivel joint schematic diagram of the prior art;
Fig. 2 is the center-rotary joint structural schematic diagram of the present embodiment.
Icon: 11- revolving body;12- rotating shaft;20- center-rotary joint;100- revolving body;200- rotating shaft;300- Rotation axis;310- recessed portion;400- dead axle;500- sensor element.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if there is the side of the instructions such as term " on ", "lower", "inner", "outside" Position or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the side usually put Position or positional relationship, are merely for convenience of description of the present invention and simplification of the description, rather than the device or member of indication or suggestion meaning Part must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, being only used for distinguishing description if there is term " first ", " second " etc., it is not understood to indicate or imply phase To importance.
It should be noted that in the absence of conflict, the feature in the embodiment of the present invention can be combined with each other.
Hydraulic crawler excavator, which is intended to intelligent, automated construction, at present becomes a new direction of excavator technology, automatically Change the various parameters constructed and needed in excavator real work, the especially measurement of angle of revolution, since work operating condition is mostly mine Mountain, inclement condition, the main material of excavator itself is irony, strong to the interference of electric signal, and angle of revolution is difficult always accurately Realization real-time measurement, by swivel joint structural research find.
Fig. 1 is the structural schematic diagram of the center-rotary joint of the prior art.It can be seen from the figure that existing rotating shaft 12 Relative motion angle between revolving body 11 is difficult to be detected.
Referring to figure 2., present embodiments provide a kind of center-rotary joint 20 comprising revolving body 100, rotating shaft 200, Rotation axis 300, dead axle 400 and sensor element 500.
Sensor element 500 includes rotor and stator, and rotor, rotation axis 300, rotating shaft 200 are fixed with upper mounting plate, is sensed Stator, dead axle 400, revolving body 100 in device element 500 are fixed with lower platform;
Sensor element 500 is configured as when upper lower platform relatively rotates, and is converted to turning for sensor element 500 The relative rotation of son and stator, detects shaft in working range by using the Hall effect integrated circuit with magnetic bias Rotary motion.The more common mechanical gear measurement angle of revolution method structure of such center-rotary joint 20 is simple, more singly Pure electric appliance sensing element anti-electromagnetic interference capability is strong, there is preferable comprehensive performance.It can be more common mechanical gear measurement Angle of revolution method structure is simple, and more simple electric appliance sensing element anti-electromagnetic interference capability is strong, there is preferable comprehensive performance.
The improvement that structure is carried out in current swivel joint, increases stator and rotor, by rotation axis 300 that it is opposite Movement concentrates in together, and is higher by swivel joint upper surface, avoids installation interference problem, and conclusion is shown, the utility model angle of revolution Measurement structure can accurately not only measure angle of revolution, can also avoid the interference installed.
It should be noted that wherein rotating shaft 200 is fixed with upper mounting plate, revolving body 100 is fixed with lower platform.
In alternative embodiments,
Sensor is magnetic bias sensor.
In alternative embodiments,
The relative rotation of rotor and stator represents rotating range at 0~360 ° in the form of the pulse voltage of circuit output Absolute angular position.
In alternative embodiments,
It further include control unit, when upper lower platform relatively rotates, the signal of rotor and stator relative motion generation is adopted Collection is transferred to control unit.
In alternative embodiments,
It further include connection bus and display screen;
After the collected rotary angle signal processing of control unit, passed by connection bus CAN data/address bus metrical information It is delivered to display screen, real-time display goes out angle of revolution.
In alternative embodiments,
Connection bus is CAN data/address bus.
In alternative embodiments,
Rotation axis 300 has radially inward recessed portion 310, and recessed portion 310 extends along the short transverse of rotation axis 300 To predeterminated position.
In alternative embodiments,
Recessed portion 310 is circumferentially distributed, to form annular groove.
In alternative embodiments,
Recessed portion 310 extends to 500 position of sensor element from the tie point of rotating shaft 200 and rotation axis 300.
So that 300 heightening design of rotation axis, can avoid intermediate duct, installation is easy for the setting of recessed portion 310.
In use, the rotating shaft 200 of rotor, rotation axis 300, swivel joint in sensor element 500 and upper mounting plate are solid Fixed, revolving body 100 and the lower platform of stator, dead axle 400, swivel joint in sensor element 500 are fixed.When upper lower platform is sent out When raw relative rotation, it can be converted to the relative rotation of the rotor and stator of sensor element 500, it is magnetic inclined by using having The Hall effect integrated circuit set detects the rotary motion of shaft in working range, the table in the form of the pulse voltage of circuit output Rotating range is shown in 0~360 ° of absolute angular position, it is total by CAN data after signal acquisition is transferred to control unit processing Line metrical information is transmitted to display screen, and real-time display goes out angle of revolution.The structure uses on intelligent machine at present, achieves Due effect.
Second aspect, the embodiment of the present invention provide a kind of detection method,
Detection method is based on any one of aforementioned embodiments center-rotary joint 20 comprising following steps:
Rotor, rotation axis 300, swivel joint rotating shaft 200 and upper mounting plate fix, determine in sensor element 500 Son, dead axle 400, swivel joint revolving body 100 and lower platform fix;
When upper lower platform relatively rotates, it can be converted to the relative rotation of the rotor and stator of sensor element 500, The rotary motion of shaft in working range is detected by using the Hall effect integrated circuit with magnetic bias;
Rotating range is represented in the form of the pulse voltage of circuit output in 0~360 ° of absolute angular position, signal acquisition After being transferred to control unit processing;
It is transmitted to display screen by bus metrical information, real-time display goes out angle of revolution.
The beneficial effect of the embodiment of the present invention includes, for example:
Increase the dead axle 400 being fixed together with revolving body 100, with the rotation axis 300 of rotating shaft 200 together, dead axle 400 install sensor element 500 with rotation axis 300 respectively, and installation is easy.
1, simple, the more simple anti-electromagnetism of electric appliance sensing element of more common mechanical gear measurement angle of revolution method structure Interference performance is strong, there is preferable comprehensive performance.
2,300 heightening design of rotation axis, can avoid intermediate duct, and installation is easy.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those skilled in the art, should all cover Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims (10)

1. a kind of center-rotary joint characterized by comprising
Revolving body, rotating shaft, rotation axis, dead axle and sensor element;
The sensor element includes rotor and stator, and the rotor, the rotation axis, the rotating shaft and upper mounting plate are fixed, The stator, the dead axle, the revolving body and lower platform in the sensor element are fixed;
The sensor element is configured as being converted to the rotor of sensor element when upper lower platform relatively rotates and determine The relative rotation of son, the rotation of shaft in working range is detected by using the Hall effect integrated circuit with magnetic bias Movement.
2. center-rotary joint according to claim 1, it is characterised in that:
The sensor is magnetic bias sensor.
3. center-rotary joint according to claim 1, it is characterised in that:
The relative rotation of the rotor and stator represents rotating range at 0~360 ° in the form of the pulse voltage of circuit output Absolute angular position.
4. center-rotary joint according to claim 3, it is characterised in that:
It further include control unit, when the upper lower platform relatively rotates, the letter of the rotor and stator relative motion generation Number acquisition is transferred to control unit.
5. center-rotary joint according to claim 4, it is characterised in that:
It further include connection bus and display screen;
After the collected rotary angle signal processing of described control unit, passed by connection bus CAN data/address bus metrical information It is delivered to display screen, real-time display goes out angle of revolution.
6. center-rotary joint according to claim 5, it is characterised in that:
The connection bus is CAN data/address bus.
7. center-rotary joint according to claim 1, it is characterised in that:
The rotation axis has radially inward recessed portion, and the recessed portion extends to pre- along the short transverse of the rotation axis If position.
8. center-rotary joint according to claim 7, it is characterised in that:
The recessed portion is circumferentially distributed, to form annular groove.
9. center-rotary joint according to claim 7, it is characterised in that:
The recessed portion extends to the position of sensor element from the tie point of rotating shaft and rotation axis.
10. a kind of detection method, it is characterised in that:
The detection method is based on center-rotary joint described in any one of claim 1-9 comprising following steps:
Rotor, rotation axis, the rotating shaft of swivel joint and upper mounting plate are fixed, stator, dead axle in sensor element, swivel joint Revolving body fixed with lower platform;
When upper lower platform relatively rotates, it can be converted to the relative rotation of the rotor and stator of sensor element, by adopting The be magnetic Hall effect integrated circuit of biasing of apparatus detects the rotary motion of shaft in working range;
Rotating range is represented in the form of the pulse voltage of circuit output in 0~360 ° of absolute angular position, signal acquisition transmission To after control unit processing;
It is transmitted to display screen by bus metrical information, real-time display goes out angle of revolution.
CN201910579031.XA 2019-06-28 2019-06-28 Center-rotary joint and detection method Pending CN110344468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910579031.XA CN110344468A (en) 2019-06-28 2019-06-28 Center-rotary joint and detection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910579031.XA CN110344468A (en) 2019-06-28 2019-06-28 Center-rotary joint and detection method

Publications (1)

Publication Number Publication Date
CN110344468A true CN110344468A (en) 2019-10-18

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Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111022806A (en) * 2019-11-19 2020-04-17 江苏长龄液压股份有限公司 Central swivel joint with angle sensor
CN111022807A (en) * 2019-11-19 2020-04-17 江苏长龄液压股份有限公司 Central swivel joint with high-precision angle sensor
CN112815906A (en) * 2020-12-31 2021-05-18 恒天九五重工有限公司 Rotary angle detection device of rotary drilling rig
CN113357456A (en) * 2020-03-05 2021-09-07 斗山英维高株式会社 Swivel joint and engineering machinery comprising same

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JP2008052790A (en) * 2006-08-23 2008-03-06 Ricoh Co Ltd Spin coating apparatus, disk manufacturing apparatus, and optical disk recording medium
CN101216134A (en) * 2008-01-14 2008-07-09 江阴市长龄机械制造有限公司 Large-sized machinery hydraulic central rotating joint with electrical brush
CN201706107U (en) * 2010-06-10 2011-01-12 江苏鼎晟液压有限公司 Multifunctional centre revolving joint
CN107655401A (en) * 2017-09-27 2018-02-02 天津津航技术物理研究所 A kind of finite angle measuring method based on Hall effect
CN208565893U (en) * 2018-06-05 2019-03-01 广州永峰机械制造有限公司 A kind of multi-stage sealed formula hydraumatic swivel joint

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008052790A (en) * 2006-08-23 2008-03-06 Ricoh Co Ltd Spin coating apparatus, disk manufacturing apparatus, and optical disk recording medium
CN101216134A (en) * 2008-01-14 2008-07-09 江阴市长龄机械制造有限公司 Large-sized machinery hydraulic central rotating joint with electrical brush
CN201706107U (en) * 2010-06-10 2011-01-12 江苏鼎晟液压有限公司 Multifunctional centre revolving joint
CN107655401A (en) * 2017-09-27 2018-02-02 天津津航技术物理研究所 A kind of finite angle measuring method based on Hall effect
CN208565893U (en) * 2018-06-05 2019-03-01 广州永峰机械制造有限公司 A kind of multi-stage sealed formula hydraumatic swivel joint

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111022806A (en) * 2019-11-19 2020-04-17 江苏长龄液压股份有限公司 Central swivel joint with angle sensor
CN111022807A (en) * 2019-11-19 2020-04-17 江苏长龄液压股份有限公司 Central swivel joint with high-precision angle sensor
CN111022807B (en) * 2019-11-19 2021-06-29 江苏长龄液压股份有限公司 Central swivel joint with high-precision angle sensor
CN113357456A (en) * 2020-03-05 2021-09-07 斗山英维高株式会社 Swivel joint and engineering machinery comprising same
CN113357456B (en) * 2020-03-05 2023-08-11 斗山英维高株式会社 Swivel joint and engineering machinery comprising same
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CN112815906A (en) * 2020-12-31 2021-05-18 恒天九五重工有限公司 Rotary angle detection device of rotary drilling rig

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Application publication date: 20191018

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