CN207763652U - Excavator boom rotating angle measurement apparatus - Google Patents
Excavator boom rotating angle measurement apparatus Download PDFInfo
- Publication number
- CN207763652U CN207763652U CN201721854370.7U CN201721854370U CN207763652U CN 207763652 U CN207763652 U CN 207763652U CN 201721854370 U CN201721854370 U CN 201721854370U CN 207763652 U CN207763652 U CN 207763652U
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- rotating disk
- axis pin
- main body
- measurement apparatus
- locating rod
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Abstract
The utility model proposes a kind of excavator boom rotating angle measurement apparatus, axis pin is fixedly connected on swing arm, swing arm is hinged with dipper through axis pin, excavator boom rotating angle measurement apparatus includes rotating disk, locating rod, drive link and magnetoresistive angle-sensor configuration, pilot hole is offered in rotating disk, locating rod is connected to axis pin shaft core position and concentric with axis pin, the end warp beam of locating rod holds the pilot hole in assembly connection rotating disk, one end of drive link connects dipper, the other end of drive link connects rotating disk, magnetoresistive angle-sensor configuration includes magnet iron piece and sensor main body, magnet iron piece is set in rotating disk, sensor main body is set on swing arm, magnetic induction part is provided in sensor main body.The beneficial effects of the utility model：Accurate to measure dipper rotation angle convenient for assembly, detachable maintaining, the reliability of angular transducer is higher.
Description
Technical field
The utility model is related to excavator technical fields, are filled more particularly to a kind of excavator boom rotation angle measurement
It sets.
Background technology
With the raising of engineering machinery intelligent level, excavator starts to send out to semi-automatic or Automatic Control direction
Exhibition.It realizes that semi-automatic or Automatic Control premise is that excavator can perceive the posture of oneself, can measure and set out in real time
The angle that arm, dipper, scraper bowl rotate.The dipper of excavator is connect with swing arm by an axis pin, in pushing away for dipper hydraulic cylinder
Under dynamic, dipper is rotated around swing arm axis pin.There are two ways to measuring dipper movement angle at present：Displacement measurement and angle are surveyed
Amount.
Displacement measurement is that dipper hydraulic cylinder is changed to the stroke sensing oil cylinder with displacement sensor, can be surveyed in real time
The length variation in bucket arm cylinder motion process is measured, the angle of dipper rotation is converted to by trigonometric function formula.But row
After the cost of journey feel cylinder is 1.5 to 2 times of common oil cylinder, and displacement sensor breaks down, whole oil is needed replacing
Cylinder, maintenance cost is very high, so using not universal.
Angle measurement is to install an angular transducer, angular transducer installation in the axis pin position that swing arm is connect with dipper
On swing arm, the rotary shaft and axis pin of angular transducer are coaxial, and drive link one end connects the dipper other end and connects angular transducer
Rotary shaft.When dipper rotates, dipper can drive the rotary shaft of angular transducer to rotate by drive link, to measure bucket
The angle of bar rotation.But for the above-mentioned angle measurement scheme generally used, the rotary shaft of drive link and angular transducer is straight
Contact, also, when mounted, the rotary shaft of angular transducer have to it is coaxial with axis pin, otherwise in dipper rotary course,
Drive link will produce the lateral force to angular transducer, and angular transducer is caused to damage.Even if when mounted, angular transducer with
Axis pin is absolutely coaxial, but after excavator works a period of time, at the axis pin that swing arm is connect with dipper, between unavoidably will produce
Gap can also so that angular transducer is not coaxial with axis pin, still will produce lateral force, cause angular transducer to damage.
Utility model content
The purpose of this utility model is to provide a kind of excavator boom rotating angle measurement apparatus, solve currently used for surveying
The rotary shaft of the angular transducer of batch box bar rotation angle be difficult to coaxially to cause with axis pin to measure dipper rotation angle it is inaccurate and
The relatively low problem of angular transducer reliability.
The utility model provides a kind of excavator boom rotating angle measurement apparatus, and axis pin is fixedly connected on swing arm, moves
Arm is hinged with dipper through axis pin, and excavator boom rotating angle measurement apparatus includes rotating disk, locating rod, drive link and magnetic resistance angle
Sensor is spent, offers pilot hole in rotating disk, locating rod is connected to axis pin shaft core position and concentric with axis pin, locating rod
End warp beam holds the pilot hole in assembly connection rotating disk, and one end of drive link connects dipper, the other end connection rotation of drive link
Turntable, magnetoresistive angle-sensor configuration include magnet iron piece and sensor main body, and magnet iron piece is set in rotating disk, sensor main body setting
In on swing arm, magnetic induction part is provided in sensor main body.
Further, the axle center of axis pin offers threaded hole, and external screw thread is provided in locating rod, and locating rod is threadedly coupled spiral shell
Pit.
Further, sensor main body is semi-circular, and magnetic induction part is evenly arranged along semi-circular sensor main body, magnet
Part is located at the space of semi-circular sensor main body encirclement.
Further, one end of drive link is through being bolted dipper, and the other end of drive link is through being bolted rotating disk.
Further, magnet iron piece is through being bolted in rotating disk.
Further, excavator boom rotating angle measurement apparatus further includes sensor mounting plate, sensor mounting plate dress
With being connected on swing arm, offer the through-hole passed through for locating rod on sensor mounting plate, sensor main body assembly connection in
On sensor mounting plate.
Further, sensor mounting plate is connected to through bolts assemblies on swing arm, and sensor main body is connected through bolts assemblies
In on sensor mounting plate.
Compared with prior art, the excavator boom rotating angle measurement apparatus of the utility model have the characteristics that with it is excellent
Point：
1, the excavator boom rotating angle measurement apparatus of the utility model, magnetoresistive angle-sensor configuration irrotationality shaft save
It has omited rotary shaft and axis pin is co-axially mounted and set-up procedure, improved efficiency of assembling, it is whole to use screw thread, be bolted, into one
Step improves efficiency of assembling, and is convenient for each component detachable maintaining；
2, the excavator boom rotating angle measurement apparatus of the utility model, axis pin is coaxially arranged with locating rod, locating rod
Upper warp beam, which installs, matches rotating disk, and arrangement of magnets part in rotating disk, rotating disk connects dipper through drive link, and magnet iron piece is around locating rod
Rotation angle accurately reflects rotation angle of the dipper around axis pin, the rotation of magnetic induction part sensing magnet iron piece in magnetoresistive angle-sensor configuration
Gyration accurately reflects rotation angle of the magnet iron piece around locating rod；
3, the excavator boom rotating angle measurement apparatus of the utility model, drive link are not directly contacted with magnetoresistive angle sensing
Device, drive link will not directly act on power in magnetoresistive angle-sensor configuration, avoid magnetoresistive angle-sensor configuration impaired, magnetoresistive angle passes
The magnet iron piece and sensor main body of sensor do not contact, do not generate abrasion, improve the reliability of angular transducer.
After specific embodiment of the present utility model is read in conjunction with the figure, it will become more with advantage the characteristics of the utility model
Add clear.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
It can be obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment excavator boom rotating angle measurement apparatus；
Fig. 2 is the assembling schematic diagram of the utility model embodiment excavator boom rotating angle measurement apparatus；
Wherein, 11, swing arm, 12, dipper, 13, bucket arm cylinder, 2, axis pin, 3, sensor mounting plate, 4, locating rod, 5, axis
It holds, 6, rotating disk, 7, drive link, 81, magnet iron piece, 82, sensor main body.
Specific implementation mode
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of excavator boom rotating angle measurement apparatus, including sensor to pacify
The components such as loading board 3, locating rod 4, bearing 5, rotating disk 6, drive link 7 and magnetoresistive angle-sensor configuration.It is solid on the swing arm 11 of excavator
Surely it is connected with axis pin 2, swing arm 11 is hinged dipper 12 through axis pin 2, and bucket arm cylinder 13 is arranged on swing arm 11, and bucket arm cylinder 13 stretches
Dipper 12 is driven to be rotated around axis pin 2.The axle center of axis pin 2 offers threaded hole, and external screw thread is provided in locating rod 4, and locating rod 4 passes through
The threaded hole being threadedly coupled at 2 axle center of axis pin, makes locating rod 4 be connected to the shaft core position of axis pin 2 and makes locating rod 4 and axis pin 2
It is concentric.Sensor mounting plate 3 is connected to through bolts assemblies on swing arm 11, and through-hole, locating rod are offered on sensor mounting plate 3
4 pass through through-hole to expose from the other side of sensor mounting plate 3.The middle position of rotating disk 6 offers pilot hole, locating rod 4
End is through the pilot hole in 5 assembly connection rotating disk 6 of bearing.One end of drive link 7 through being bolted dipper 12, drive link 7
The other end is through being bolted rotating disk 6.Magnetoresistive angle-sensor configuration includes magnet iron piece 81 and sensor main body 82, and magnet iron piece 81 is through spiral shell
It tethers and is connected in rotating disk 6, sensor main body 82 is connected to through bolts assemblies on sensor mounting plate 3.Sensor main body 82 is
Semi-circular, magnetic induction part arrange that magnet iron piece 81 is located at semi-circular sensor along the inner homogeneous of semi-circular sensor main body 82
The space that main body 82 is surrounded.
The excavator boom rotating angle measurement apparatus of the present embodiment, operation logic are as follows：Bucket arm cylinder 13 stretches
Dipper 12 is driven to be rotated around axis pin 2, dipper 12 drives rotating disk 6 to rotate through drive link 7, and the magnet iron piece 81 in rotating disk 6 is half
It is rotated in the space that loop sensor main body 82 is surrounded, the rotation of the magnetic induction part sensing magnet iron piece 81 in sensor main body 82
Angle and output angle data.
The excavator boom rotating angle measurement apparatus of the present embodiment, magnetoresistive angle-sensor configuration irrotationality shaft, is omitted
Rotary shaft is co-axially mounted with axis pin 2 and set-up procedure, improves efficiency of assembling.Device integrally uses screw thread, is bolted, into one
Step improves efficiency of assembling, and is convenient for each component detachable maintaining.Axis pin 2 and locating rod 4 are coaxially arranged, through bearing 5 in locating rod 4
Rotating disk 6 is assembled, arrangement of magnets part 81 in rotating disk 6, rotating disk 6 connects dipper 12 through drive link 7, and magnet iron piece 81 is around locating rod
4 rotation angle accurately reflects rotation angle of the dipper 12 around axis pin 2, and magnetic induction part senses magnet in magnetoresistive angle-sensor configuration
The rotation angle of part 81 accurately reflects rotation angle of the magnet iron piece 81 around locating rod 4, and the rotation angle for measuring dipper 12 is accurate.It passes
Lever 7 is not directly contacted with magnetoresistive angle-sensor configuration, and power will not be acted on directly in magnetoresistive angle-sensor configuration, be avoided by drive link 7
Magnetoresistive angle-sensor configuration is impaired, and the magnet iron piece 81 and sensor main body 82 of magnetoresistive angle-sensor configuration do not contact, do not generate abrasion, carry
The assembly allowable error of the high reliability of angular transducer, magnet iron piece 81 and sensor main body 82 can reach ± 2.5mm, can
To ensure that excavator works for 10000 hours, and rule of thumb, after excavator works 10000 hours, 2 gap of axis pin about 2mm.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the scope of protection of the utility model.
Claims (5)
1. a kind of excavator boom rotating angle measurement apparatus, it is fixedly connected with axis pin on swing arm, swing arm is hinged with bucket through axis pin
Bar, it is characterised in that：Excavator boom rotating angle measurement apparatus includes that rotating disk, locating rod, drive link and magnetoresistive angle pass
Sensor offers pilot hole in rotating disk, and locating rod is connected to axis pin shaft core position and, the end of locating rod concentric with axis pin
Warp beam holds the pilot hole in assembly connection rotating disk, and one end of drive link connects dipper, and the other end of drive link connects rotating disk,
Magnetoresistive angle-sensor configuration includes magnet iron piece and sensor main body, and magnet iron piece is set in rotating disk, and sensor main body is set to dynamic
On arm, magnetic induction part is provided in sensor main body.
2. excavator boom rotating angle measurement apparatus according to claim 1, it is characterised in that：The axle center of axis pin opens up
There is threaded hole, external screw thread is provided in locating rod, locating rod is threadedly coupled threaded hole.
3. excavator boom rotating angle measurement apparatus according to claim 1, it is characterised in that：Sensor main body is half
Annular, magnetic induction part are evenly arranged along semi-circular sensor main body, and magnet iron piece is located at the sky of semi-circular sensor main body encirclement
Between.
4. excavator boom rotating angle measurement apparatus according to claim 1, it is characterised in that：One end of drive link passes through
It is bolted dipper, the other end of drive link is through being bolted rotating disk.
5. excavator boom rotating angle measurement apparatus according to claim 1, it is characterised in that：Magnet iron piece connects through bolt
It is connected in rotating disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854370.7U CN207763652U (en) | 2017-12-27 | 2017-12-27 | Excavator boom rotating angle measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721854370.7U CN207763652U (en) | 2017-12-27 | 2017-12-27 | Excavator boom rotating angle measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207763652U true CN207763652U (en) | 2018-08-24 |
Family
ID=63184747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721854370.7U Active CN207763652U (en) | 2017-12-27 | 2017-12-27 | Excavator boom rotating angle measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207763652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941144A (en) * | 2017-12-27 | 2018-04-20 | 青岛雷沃工程机械有限公司 | Excavator boom rotating angle measurement apparatus |
| CN109737865A (en) * | 2019-01-25 | 2019-05-10 | 百年旭康医疗器械有限公司 | A kind of universal single dof mobility brace angle measurement unit and its application method |
-
2017
- 2017-12-27 CN CN201721854370.7U patent/CN207763652U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941144A (en) * | 2017-12-27 | 2018-04-20 | 青岛雷沃工程机械有限公司 | Excavator boom rotating angle measurement apparatus |
| CN109737865A (en) * | 2019-01-25 | 2019-05-10 | 百年旭康医疗器械有限公司 | A kind of universal single dof mobility brace angle measurement unit and its application method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266500 No. 75 east the Yellow River Road, Qingdao economic and Technological Development Zone, Shandong Patentee after: LOVOL Engineering Machinery Group Co.,Ltd. Address before: 266500 No. 75 east the Yellow River Road, Qingdao economic and Technological Development Zone, Shandong Patentee before: QINGDAO LOVOL ENGINEERING MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.75, Huanghe East Road, Qingdao Economic and Technological Development Zone, Shandong Province 266500 Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: No.75, Huanghe East Road, Qingdao Economic and Technological Development Zone, Shandong Province 266500 Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |