CN110344468A - Center-rotary joint and detection method - Google Patents
Center-rotary joint and detection method Download PDFInfo
- 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
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- center
- sensor element
- rotary joint
- rotor
- stator
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- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 230000005355 Hall effect Effects 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/264—Sensors 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
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.
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 |
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| CN110344468A true CN110344468A (en) | 2019-10-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910579031.XA Pending CN110344468A (en) | 2019-06-28 | 2019-06-28 | Center-rotary joint and detection method |
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Cited By (4)
| 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 |
Citations (5)
| 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 |
-
2019
- 2019-06-28 CN CN201910579031.XA patent/CN110344468A/en active Pending
Patent Citations (5)
| 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)
| 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 |
| US11976441B2 (en) | 2020-03-05 | 2024-05-07 | Hd Hyundai Infracore Co., Ltd. | Swivel joint and construction machine having the same |
| 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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