CN208536816U - A kind of digging arm swing arm rotating angle measurement apparatus - Google Patents
A kind of digging arm swing arm rotating angle measurement apparatus Download PDFInfo
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- CN208536816U CN208536816U CN201821202421.2U CN201821202421U CN208536816U CN 208536816 U CN208536816 U CN 208536816U CN 201821202421 U CN201821202421 U CN 201821202421U CN 208536816 U CN208536816 U CN 208536816U
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A kind of digging arm swing arm rotating angle measurement apparatus of the utility model, it is mounted between the digging arm swing arm and swing arm erection support to be measured of Multifunctional rescue vehicle, it include rotary encoder, 2 transmission gears are (big, pinion gear) and encoder erection support, rotary encoder is fixed on the fixation position except digging arm swing arm to be measured by encoder erection support, pinion gear is fixedly mounted on rotary encoder output shaft end, gear wheel is fixedly mounted on digging arm swing arm to be measured, gear wheel follows digging arm swing arm rotary motion to be measured, pinion gear and gear wheel constitute gear engaged transmission and position angle between the two is adjustable, to acquire the rotation angle of digging arm swing arm to be measured.Digging arm swing arm rotating angle measurement apparatus provided by the utility model, the precise measurement of rotation angle is realized by two gear engaged transmission measurements, it is compact-sized, it is easy for installation, it solves the problems, such as to cause angular transducer in use and installation process in existing scheme damage.
Description
Technical field
The utility model relates to technical field of engineering machinery, and in particular to a kind of digging arm swing arm rotation angle measurement dress
It sets.
Background technique
Different operating attitudes can be presented in vehicle driving status and working condition in Multifunctional rescue vehicle digging arm,
And the adjustment of digging arm posture is realized by its swing arm, the rotation of dipper, folding, in order to realize that Multifunctional emergency is rescued
Help the operational security of the controllability and digging arm of vehicle digging arm pose adjustment under different operating conditions, whole-control system needs pair
The detection acquisition of digging arm swing arm, dipper rotation angle information, the accuracy that swing arm, dipper rotation angle information measure determine
The reliability and operational security of Multifunctional rescue vehicle digging arm gesture stability.When digging arm swing arm, dipper rotate angle
When beyond safety value range, whole-control system will limit the movement of digging arm swing arm, dipper, to ensure the peace of digging arm operation
Quan Xing, it is therefore desirable to design a kind of measuring device that is simple, can accurately measure digging arm swing arm and dipper rotation angle.
Angular transducer can be used in the measurement of prior art 1, digging arm swing arm rotation angle, i.e., by angular transducer
It is mounted directly and is fixed at digging arm swing arm suitable position, and the shaft of the angular transducer passes through swing rod and digging arm swing arm
Erection support is connected, and is measured between digging arm swing arm and mounting seat by the relative rotation of angular transducer and its shaft
Angle.
In the actual operation process, there is the following aspects in prior art 1: first, simply by angle
The shaft for spending sensor is directly fixed on digging arm swing arm erection support by swing rod, in use, when digging arm swing arm
By under high torque effect, it is particularly easy to cause the damage of angular transducer；Second, that there are measurement accuracy is poor for the prior art,
The low problem of reliability is unfavorable for realizing the reliability and safety of Multifunctional rescue vehicle digging arm gesture stability；Third,
The shaft and swing rod of angular transducer use taper pin connection, and beaing cone pin during the installation process will cause angular transducer sheet
The damage of body.
Prior art 2, the Chinese utility model patent of Authorization Notice No. CN103471556B propose a kind of rotation
Angle measurement unit is mainly used in the revolution rotation angle measurement with bassinet structure on revolving support, by designing a set of axis
It is drive mechanism, is rotatablely connected rotary encoder shaft and designed shafting using shaft coupling, installation tooth is driven by shafting
Wheel realizes rotation angle information measurement with revolving support ring gear engaged transmission.
Prior art 2 devises a set of shafting transmission, and gear engaged transmission is by self structure (revolving support
Ring gear) it realizes, it is suitably applied with rotation supporting structure rotation angle measurement, is not suitable for this programme.
Prior art 3, the Chinese utility model patent of Authorization Notice No. CN107941144A propose a kind of excavation
Machine dipper rotating angle measurement apparatus, is mainly realized by a positioning rod, drive rod, rotating disk and magnetoresistive sensor.It is existing
Technical solution 3 is realized by a positioning rod, drive rod, rotating disk and magnetoresistive sensor, and is led between locating rod and rotating disk
Bearing connection is crossed, its structure is complicated, it is contemplated that Multifunctional rescue vehicle digging arm mounting structure space is not suitable for we
Case.
Utility model content
In order to solve the problems existing in the prior art, the utility model provides a kind of digging arm swing arm rotation angle measurement dress
Accurate, reliable measurements, it can be achieved that Multifunctional rescue vehicle digging arm swing arm rotation angle are set, and can be well solved
The problem of causing damage in use and installation process to angular transducer in the prior art.
To achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of digging arm swing arm rotating angle measurement apparatus is mounted on the digging arm to be measured of Multifunctional rescue vehicle
Between swing arm and swing arm erection support, digging arm swing arm to be measured is installed on swing arm erection support, and digging arm swing arm rotates angle
Measuring device includes rotary encoder, pinion gear, gear wheel and encoder erection support, and rotary encoder setting is robbed multi-functional
Fixation position except dangerous relief car digging arm swing arm to be measured, pinion gear are mounted by means of bolts on encoder output shaft end,
Gear wheel is mounted by means of bolts on the suitable position on digging arm swing arm to be measured, and gear wheel follows digging arm swing arm to be measured to revolve
Transhipment is dynamic, gear wheel and pinion gear constitutes gear engaged transmission and position angle between the two is adjustable, to acquire digging to be measured
Dig the rotation angle information of arm swing arm.
Further, the rotary encoder is connected to the fixed position by the encoder erection support.
Further, the rotary encoder erection support is Z-shape, including first level interconnecting piece, the second horizontal connection
Portion and the vertical interconnecting piece for connecting the first level interconnecting piece and second horizontal connection portion, the rotary encoder are logical
It crosses first level interconnecting piece to be fixedly mounted on encoder erection support, second horizontal connection portion is for installing encoder
Support is mounted on the fixed position.
Further, several mounting holes are offered on the first level interconnecting piece, for installing rotary encoder
In on encoder erection support.
Further, 3 mounting holes are offered on the first level interconnecting piece, for fixing rotary encoder bolt
It is installed on encoder erection support.
Further, a circular hole and a long arc shape slot are offered in second horizontal connection portion, wherein described
For circular hole for the encoder erection support to be fixedly mounted to the fixed position, the long arc shape slot is described for adjusting
The angle of position between gear wheel and the pinion gear makes the gear wheel and the pinion gear relatively be staggered certain angle,
And then the gap between the gear wheel and the pinion gear gear teeth is eliminated, to improve measurement accuracy.
Further, the fixed bit is set to the digging arm swing arm to be measured and swing arm erection support articulated connection is sold
The shaft end position of axis.
Compared with prior art, the utility model has the following beneficial effects:
The utility model discloses a kind of digging arm swing arm rotating angle measurement apparatus, are mounted on Multifunctional emergency and rescue
It helps between the digging arm swing arm and swing arm erection support to be measured of vehicle, digging arm swing arm to be measured is installed on swing arm erection support, packet
Rotary encoder, pinion gear, gear wheel and encoder erection support are included, rotary encoder setting is waited in Multifunctional rescue vehicle
The fixation position except digging arm swing arm is surveyed, pinion gear is mounted by means of bolts on encoder output shaft end, and gear wheel passes through
Bolt is fixedly mounted on the suitable position of digging arm swing arm to be measured, and gear wheel follows digging arm swing arm rotary motion to be measured, canine tooth
Wheel and pinion gear constitute gear engaged transmission and position angle between the two is adjustable, to acquire the rotation of digging arm swing arm to be measured
Gyration information.Digging arm swing arm rotating angle measurement apparatus provided by the utility model, scheme, structure are tight compared with prior art
It gathers, is easy for installation, and can realize the measurement of rotation angle using the limited installation space of existing structure well；Rotation angle
The information collection of rotation angle is realized in degree measurement by one group of large and small gear engaged transmission, and acquisition information is accurate, reliable, can be real
Now rotate the precise measurement of angle；It has well solved in existing scheme and angular transducer has been caused in use and installation process
The problem of damage.
Detailed description of the invention
Fig. 1 is the scheme of installation of the utility model；
Fig. 2 is the main view of the encoder erection support of the utility model；
Fig. 3 is the top view of the encoder erection support of the utility model；
Fig. 4 is structural front view after the large and small gear tooth gap of the utility model adjusts；
Wherein, 1- rotary encoder；2- pinion gear；3- gear wheel；4- encoder erection support；5- digging arm to be measured is dynamic
Arm；6- swing arm erection support；41- first level interconnecting piece；The second horizontal connection of 42- portion；The vertical interconnecting piece of 43-；411- installation
Hole；421- circular hole；422- long arc shape slot；7- connection pin shaft.
Specific embodiment
The utility model is further described combined with specific embodiments below.
As shown in Figs 1-4, a kind of digging arm swing arm rotating angle measurement apparatus, is fixedly installed in Multifunctional rescue vehicle
Digging arm swing arm 5 and swing arm erection support 6 to be measured between, including rotary encoder 1, pinion gear 2, gear wheel 3 and encoder
Erection support 4, rotary encoder 1, which is installed on encoder erection support 4, is mounted on digging to be measured by encoder erection support 4 again
The fixation position except arm swing arm 5 is dug, fixed bit is set to digging arm swing arm 5 to be measured and the articulated connection pin shaft 7 of swing arm erection support 6
Shaft end position, by connect pin shaft 7 realize that digging arm swing arm 5 to be measured is connect with the revolute pair of swing arm erection support 6, pinion gear
2 are fixedly mounted on 1 output shaft end of rotary encoder, and gear wheel 3 is fixedly mounted on digging arm swing arm 5 to be measured, and gear wheel 3 follows
Rotary motion, pinion gear 2 and gear wheel 3 constitute gear engaged transmission and position between the two to digging arm swing arm 5 to be measured together
Adjustable angle, to acquire the rotation angle information of digging arm swing arm 5 to be measured, rotary encoder 1 is prior art products, can city
Purchase obtains.
Pinion gear 2 is mounted by means of bolts on the shaft end position of the output shaft of rotary encoder 1, and gear wheel 3 passes through spiral shell
Bolt is fixedly mounted on 5 swing arm end surface position of digging arm swing arm to be measured.
Rotary encoder erection support 4 is Z-shape, including first level interconnecting piece 41, the second horizontal connection portion 42 and company
The vertical interconnecting piece 43 of first level interconnecting piece 41 and the second horizontal connection portion 42 is connect, rotary encoder 1 is connected by first level
Socket part 41 is fixedly installed on encoder erection support 4, encoder erection support 4 by the second horizontal connection portion 42 be installed on to
Survey the fixation position except digging arm swing arm 5, i.e., the axis of digging arm swing arm 5 to be measured and the articulated connection pin shaft 7 of swing arm erection support 6
End position.
3 mounting holes 411 are offered on first level interconnecting piece 41, rotary encoder 1 passes through 3 411 bolts of mounting hole
It is fixedly installed on encoder erection support 4, a circular hole 421 and a long arc shape slot is offered in the second horizontal connection portion 42
Hole 422, encoder erection support 4 are fixedly mounted on digging arm swing arm 5 and swing arm erection support 6 to be measured hingedly by circular hole 421
The shaft end position of pin shaft 7 is connected, long arc shape slot 422 is used to adjust the position angle between pinion gear 2 and gear wheel 3, make small
Gear 2 and gear wheel 3 are relatively staggered certain angle, and then eliminate existing gap between pinion gear 2 and 3 gear teeth of gear wheel,
To improve measurement accuracy, specific position angle and the angular range being staggered can be adjusted according to actual needs.
The step of adjusting the position angle between pinion gear 2 and gear wheel 3 by long arc shape slot 422 are as follows: unscrew first
The bolt being mounted on the circular hole 421 in the second horizontal connection portion 42 of encoder erection support 4, then will be mounted on the second company
The bolt on long arc shape slot 422 in socket part 42 is unscrewed, and allows encoder erection support 4 along the second horizontal connection portion 42
On long arc shape slot 422 on the circular hole 421 being mounted in the second horizontal connection portion 42 bolt rotation, realize pinion gear 2
With the axially opposing certain angle that is staggered of gear wheel 3, to eliminate the gap between 3 gear teeth of pinion gear 2 and gear wheel.
The installation and working principle of the utility model are as follows:
Rotary encoder 1 passes through 3 mounting holes 411 on the first level interconnecting piece 41 of encoder erection support 4 first
It is fixedly mounted on encoder erection support 4, fixed form is fixed with bolts；Pinion gear 2 is mounted on rotation and compiles
The shaft end position of the output shaft of code device 1, fixed form are fixed with bolts；Gear wheel 3 is fixed on Multifunctional emergency
On relief car digging arm swing arm 5 to be measured, gear wheel 3 is allowed to accompany digging arm swing arm 5 to be measured rotary motion together, fixation side
Formula is bolted and fixed；Encoder erection support 4 passes through in the second horizontal connection portion 42 on encoder erection support 4
Circular hole 421 is fixedly mounted on fixed position, i.e., the shaft end of digging arm swing arm 5 to be measured and the articulated connection pin shaft 7 of swing arm erection support 6
Position；Encoder erection support 4 installs the pinion gear 2 that solid timing demands will be mounted on 1 output shaft end position of rotary encoder
Gear engaged transmission is constituted with the gear wheel 3 being fixed on digging arm swing arm 5 to be measured, to acquire digging arm swing arm to be measured
5 rotation angle information.
When pinion gear 2 and larger 3 clearance between gear teeth of gear wheel, pass through the second horizontal connection portion of encoder erection support 4
Long arc shape slot 422 on 42 adjusts the position angle between pinion gear 2 and gear wheel 3, keeps pinion gear 2 and gear wheel 3 opposite
The ground certain angle that is staggered to eliminate the gap between 3 gear teeth of pinion gear 2 and gear wheel guarantees the accuracy of measurement result.
Above-described embodiment does not limit the utility model, all institutes by the way of equivalent substitution or equivalent transformation in any form
The technical solution of acquisition, all falls within the protection scope of the utility model.
Claims (10)
1. a kind of digging arm swing arm rotating angle measurement apparatus, which is characterized in that the measuring device is mounted on multi-functional
Between the digging arm swing arm (5) to be measured of disaster unit and swing arm erection support (6), including rotary encoder (1), pinion gear
(2), gear wheel (3) and encoder erection support (4), the rotary encoder (1) are installed on encoder erection support (4) again
It is mounted on the fixation position except digging arm swing arm (5) to be measured by encoder erection support (4), pinion gear (2) is fixedly mounted
In rotary encoder (1) output shaft end, gear wheel (3) is fixedly mounted on digging arm swing arm (5) to be measured, and gear wheel (3) follows
Digging arm swing arm (5) to be measured rotary motion together, pinion gear (2) and gear wheel (3) constitute gear engaged transmission and therebetween
Position angle it is adjustable, to acquire the rotation angle information of digging arm swing arm (5) to be measured.
2. a kind of digging arm swing arm rotating angle measurement apparatus according to claim 1, which is characterized in that the fixed bit
It is set to the shaft end position of digging arm swing arm (5) to be measured and swing arm erection support (6) articulated connection pin shaft (7).
3. a kind of digging arm swing arm rotating angle measurement apparatus according to claim 1, which is characterized in that the pinion gear
(2) it is bolted the shaft end position for being installed on the output shaft of the rotary encoder (1).
4. a kind of digging arm swing arm rotating angle measurement apparatus according to claim 1, which is characterized in that the gear wheel
(3) it is mounted by means of bolts on digging arm swing arm (5) swing arm end surface position to be measured, gear wheel (3) accompanies digging arm to be measured
Swing arm (5) rotary motion together.
5. a kind of digging arm swing arm rotating angle measurement apparatus according to claim 1, which is characterized in that the encoder
Erection support (4) is Z-shape, including first level interconnecting piece (41), the second horizontal connection portion (42) and connection first water
The vertical interconnecting piece (43) in flushconnection portion (41) and second horizontal connection portion (42).
6. a kind of digging arm swing arm rotating angle measurement apparatus according to claim 5, which is characterized in that the rotation is compiled
Code device (1) is fixedly installed on encoder erection support (4) by first level interconnecting piece (41), encoder erection support (4)
Digging arm swing arm (5) to be measured and swing arm erection support (6) articulated connection pin shaft (7) are installed on by the second horizontal connection portion (42)
Shaft end position.
7. a kind of digging arm swing arm rotating angle measurement apparatus according to claim 5 or 6, which is characterized in that described
Several mounting holes (411) are offered in one horizontal connection portion (41), rotary encoder (1) is installed on by mounting hole (411)
On encoder erection support (4).
8. a kind of digging arm swing arm rotating angle measurement apparatus according to claim 7, which is characterized in that first water
3 mounting holes (411) are offered in flushconnection portion (41), the rotary encoder (1) is solid by 3 mounting hole (411) bolts
Dingan County is loaded on encoder erection support (4).
9. a kind of digging arm swing arm rotating angle measurement apparatus according to claim 5 or 6, which is characterized in that described
A circular hole (421) is offered in two horizontal connection portions (42), encoder erection support (4) is fixedly mounted by circular hole (421)
In the shaft end position of digging arm swing arm (5) to be measured and swing arm erection support (6) articulated connection pin shaft (7).
10. a kind of digging arm swing arm rotating angle measurement apparatus according to claim 5 or 6, which is characterized in that described
A long arc shape slot (422) is offered in two horizontal connection portions (42), adjusts pinion gear (2) by long arc shape slot (422)
Position angle between gear wheel (3) makes pinion gear (2) and gear wheel (3) relatively be staggered certain angle, eliminates pinion gear
(2) gap between the gear teeth of gear wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202421.2U CN208536816U (en) | 2018-07-27 | 2018-07-27 | A kind of digging arm swing arm rotating angle measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202421.2U CN208536816U (en) | 2018-07-27 | 2018-07-27 | A kind of digging arm swing arm rotating angle measurement apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208536816U true CN208536816U (en) | 2019-02-22 |
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| CN201821202421.2U Active CN208536816U (en) | 2018-07-27 | 2018-07-27 | A kind of digging arm swing arm rotating angle measurement apparatus |
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| CN (1) | CN208536816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692696A (en) * | 2018-07-27 | 2018-10-23 | 徐工集团工程机械有限公司 | A kind of digging arm swing arm rotating angle measurement apparatus |
-
2018
- 2018-07-27 CN CN201821202421.2U patent/CN208536816U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692696A (en) * | 2018-07-27 | 2018-10-23 | 徐工集团工程机械有限公司 | A kind of digging arm swing arm rotating angle measurement apparatus |
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Effective date of registration: 20220725 Address after: No.26 tuolanshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 26 Jinshan Road, Jinshan Bridge Economic Development Zone, Xuzhou, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |