CN106207694A - Electricity revolving body device and apply the engineering machinery of this electricity revolving body device - Google Patents
Electricity revolving body device and apply the engineering machinery of this electricity revolving body device Download PDFInfo
- Publication number
- CN106207694A CN106207694A CN201610810750.4A CN201610810750A CN106207694A CN 106207694 A CN106207694 A CN 106207694A CN 201610810750 A CN201610810750 A CN 201610810750A CN 106207694 A CN106207694 A CN 106207694A
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- CN
- China
- Prior art keywords
- brush
- conducting ring
- revolving body
- transfer unit
- body device
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/64—Devices for uninterrupted current collection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/58—Means structurally associated with the current collector for indicating condition thereof, e.g. for indicating brush wear
Abstract
The present invention relates to a kind of electricity revolving body device and apply the engineering machinery of this electricity revolving body device, wherein, electricity revolving body device is used for being located between relatively turnable first component and second component, including multiple signal transfer units, multiple signal transfer units include Angle Position detection and checking signal transfer unit, for transmitting detection and verification first component and the signal of second component angular limit position in relative rotation.The function of signal transmission with the detection of angular limit position is all realized by the present invention by electricity revolving body device, structure can be simplified, and save the cost that signal transducer is set, and the setting of Angle Position detection and checking signal transfer unit can improve the accuracy of angular limit position detection, and reduce the ambient vibration impact on signal detection, thus improve the reliability of diagonal angle extreme position detection.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of electricity revolving body device and apply this electricity revolving body to fill
The engineering machinery put.
Background technology
Self-travel type aerial work platform is a kind of engineering machinery, is structurally divided into two parts of getting on or off the bus, gets off as row
Sail chassis, aerial work platform can be met and utilize self power short walk in the range of work place, main bag of getting on the bus
Include job platform, jib and turntable three part, get on the bus and can carry out integral cycle rotating work relative to getting off.Control equipment of getting on the bus needs
Signal to be got off such as is got off braking or high low speed traveling etc., makes wire harness occur to be wound around for avoiding relatively rotating between getting on or off the bus
Phenomenon, general employing electricity revolving body device realizes the signal transmission between getting on or off the bus.
Prior art has a kind of electricity revolving body device as it is shown in figure 1, use multilamellar superposition in the height direction to arrange
Mode, including brush structure 1a, conducting ring 2a, lid 3a, pedestal 4a and shift fork 5a.Wherein, conducting ring 2a and pedestal 4a fixes
Motionless.Shift fork 5a is connected with turntable, when turntable rotates, drives wiper mechanism 1a and lid 3a around conducting ring by shift fork 5a
2a does gyration.The wire harness got off is sequentially arranged at inside each layer conducting ring 2a, passes sequentially through conducting ring 2a, brush structure 1a
Wire harness carries out signal transmission with getting on the bus.
During aerial working platform operation, when turntable of getting on the bus rotates over certain angle, the work on job platform
Make personnel due to the restriction of present position, direction before and after clear and definite car may be difficult to for the moment, if in the feelings of discriminating direction mistake
Under condition, travel aerial work platform hastily, may advance round about and cause security incident, it is therefore necessary to set one
Spacing angle, when exceeding spacing angle, aerial work platform travels handle and controls to lose efficacy, the only staff side of distinguishing one from the other
To, after determining that traveling enables, side can continue executing with traveling action.
In prior art, the detection of rotation of rotary table spacing angle completes, such as Fig. 2 institute by being arranged on the sensor bottom turntable
Show, at the turntable fixed signal sensor 6a that gets on the bus, be provided with pulley below signal transducer 6a, at fixing arc-shaped rail of getting off
7a, when rotation of rotary table, drives signal transducer 6a to be moved on guide rail 7a by the pulley of lower section.Lead when pulley slides past
During the scope of rail 7a, signal transducer 6a does not has signal to input, and shows to exceed the scope of spacing angle, θ.
In practice it is found that there is following potential safety hazard one or many when operation in aerial work platform of the prior art
Individual:
(1) get on or off the bus signal transmission aspect: brush structure 1a and conducting ring 2a single edge contact also rotate, when with certain layer of brush
During what structure 1a connected get on the bus wire harness part generation open circuit fault, signal transmission in this road will be interrupted.
(2) extreme angles judgement aspect: only pulley and guide rail 7a is fully contacted the effectiveness that could meet signal measurement,
When aerial work platform is under vibration operating mode, it is susceptible to loose contact between pulley and the guide rail 7a of signal transducer 6a, makes
Becoming the unexpected interruption of signal transmission, the judgement causing angular limit position is inaccurate, it is possible to can cause the accident.
Summary of the invention
The purpose of the present invention is to propose to a kind of electricity revolving body device and apply the engineering machinery of this electricity revolving body device, it is possible to
Improve the reliability when engineering machinery such as aerial work platform work and safety.
For achieving the above object, first aspect present invention provides a kind of electricity revolving body device, is used for being located at and can relatively turn
Between dynamic first component and second component, including multiple signal transfer units, the plurality of signal transfer unit includes angle
Position detection and checking signal transfer unit, be used for transmitting detection and verify that described first component is relative with described second component to be turned
The signal of dynamic angular limit position.
Further, Angle Position detection and checking signal transfer unit include the first brush, the second brush and the first conduction
Ring, described first conducting ring has conductive lengths section and non-conductive length section, described first brush and described second brush can
Different signals is exported in described first component and described second component angular limit position range in relative rotation.
Further, described first brush is corresponding with the non-conductive length section of described first conducting ring, described second brush
Corresponding with the conductive lengths section of described first conducting ring.
Further, the conductive lengths section of described first conducting ring and phase between described first component and described second component
Corresponding to the maximum angle scope rotated.
Further, the conductive lengths section of described first conducting ring and phase between described first component and described second component
Corresponding to the scope beyond the maximum angle rotated.
Further, described Angle Position detection and checking signal transfer unit include Angle Position detection signal transfer unit and
Angle Position checking signal transfer unit, described Angle Position detection signal transfer unit is used for transmitting the described first component of detection and institute
Stating the signal of second component angular limit position in relative rotation, described Angle Position checking signal transfer unit is for transmitting described
The testing result of Angle Position detection signal transfer unit carries out the signal verified.
Further, described Angle Position detection signal transfer unit includes the second conducting ring and the first brush, position, described angle
Put checking signal transfer unit and include that the 3rd conducting ring and the second brush, described first brush and described second brush can be in institutes
State the signal that first component is different with output in described second component angular limit position range in relative rotation.
Further, the layering superposition of the plurality of signal transfer unit is arranged, and the detection of described Angle Position and checking signal pass
Passing unit is at least one of which in the plurality of signal transfer unit.
Further, the layering superposition of the plurality of signal transfer unit is arranged, and every layer of described signal transfer unit includes
Conducting ring and brush, at least corresponding two the described brushes of each described conducting ring.
Further, brush described at least two is angularly arranged along the circumference of corresponding described conducting ring.
Further, corresponding two the described brushes of each described conducting ring, lead described in the end deviation of two described brushes
Electricity ring power up brush place central plane and towards on the contrary.
Further, also include that dividing plate, described dividing plate are located between two described brushes corresponding to described conducting ring.
Further, also including brush holder in the plurality of signal transfer unit, described brush is located on described brush holder, same
The described brush holder that described conducting ring is corresponding is separate.
Further, also including that lid and clicking section, described clicking section are provided with cell body, described lid is embedded by end
To be arranged on described clicking section in described cell body.
For achieving the above object, second aspect present invention provides a kind of engineering machinery, including described in above-described embodiment
Electricity revolving body device.
Further, described engineering machinery is aerial work platform, and described first component is for getting on the bus, and described second component is
Get off.
Further, before described Angle Position detects the initial position with checking signal transfer unit and described engineering machinery
Orientation is put corresponding.
Based on technique scheme, the electric revolving body device of the present invention, by arranging Angle Position in signal transfer unit
Detection and checking signal transfer unit, it is possible to first component and second component are examined angular limit position by transmission in relative rotation
Survey and the signal of verification.This kind of electric revolving body device can realize the function of signal transmission and the detection of angular limit position simultaneously, from
And simplify structure, and save the cost that signal transducer is set；And Angle Position detection and the setting of checking signal transfer unit
The accuracy of angular limit position detection can be improved, and reduce the ambient vibration impact on signal detection, thus improve pole, diagonal angle
The reliability of extreme position detection.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of electricity revolving body device employed in prior art aerial work platform；
Fig. 2 is the principle schematic that prior art aerial work platform diagonal angle extreme position carries out detecting；
Fig. 3 is the structural representation of an embodiment of electricity revolving body device of the present invention；
Fig. 4 is the A-A sectional view of electricity revolving body device shown in Fig. 3；
Fig. 5 is to utilize electricity revolving body device diagonal angle of the present invention extreme position to carry out the principle schematic detected.
Description of reference numerals
1a-brush structure；2a-conducting ring；3a-lid；4a-pedestal；5a-shift fork；6a-signal transducer；
7a-guide rail；
1-vent valve；2-lid；3-dividing plate；4-brush；5-brush holder；6-conducting ring；Under 7-, vehicle wire harness is installed
Mouthful；8-clicking section；9-pedestal；10-joint；11-cell body；12-gets on the bus wire harness installing port；4A-the first brush；4B-
Two brushes；6A-the first conducting ring.
Detailed description of the invention
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The each side limited can combine with any other a aspect or many aspects, not can be combined.Especially,
Be considered as preferred or favourable any feature can one or more with other be considered as preferred or favourable feature group
Close.
The term descriptions merely for convenience such as " first ", " second " occurred in the present invention, have same names to distinguish
Different building blocks, be not offered as successively or primary-slave relation.
In describing the invention, term " on ", D score, "front", "rear", the orientation of the instruction such as " interior " and " outward " or position
Relation is that the device being for only for ease of the description present invention rather than indication must based on orientation shown in the drawings or position relationship
Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limiting the scope of the invention.
In order to overcome engineering machinery such as being similar to self-travel type aerial work platform in prior art to exist when operation
Potential safety hazard, improves the reliability and security of operation, and electricity revolving body device of the prior art is improved by the present invention.
This electricity revolving body device is located between relatively turnable first component and second component, to realize first component and second component
Between the signal of telecommunication transmission.This kind of electric revolving body is applicable to without detection real-time to rotational angle, it is only necessary to angle in relative rotation
Extreme position carries out the occasion detected.
As a example by self-travel type aerial work platform, correspondingly, first component for getting on the bus, second component for getting off, this electricity
Revolving body device includes multiple signal transfer unit, for realizing the transmission of multiple signals, and such as get off brake signal or height
Speed traveling signal etc..
In concrete version, with reference to shown in Fig. 3 and Fig. 4, multiple signal transfer units can be layered superposition and arrange,
The quantity of signal transfer unit can be transmitted the kind of signal as required and select, and may comprise rotation in each signal transfer unit
Conducting ring 6 that transduction is logical and brush 4.The turntable that aerial work platform is got on the bus is provided with clicking section 8, such as shift fork, clicking section 8
Inside is coaxially provided with pedestal 9, and pedestal 9 is located on the chassis got off.Multiple conducting rings 6 are arranged on pedestal 9 along own axes stacking
On, being separated by insulant between adjacent conducting ring 6, the stacking of multiple brush 4 is located on clicking section 8.When turntable band of getting on the bus
When dynamic clicking section 8 rotates, brush 4 rotates around conducting ring 6, the transmission of multiple signals of getting on or off the bus with realization.
In order to realize the fixing of brush 4, also including brush holder 5 in multiple signal transfer units, each brush 4 is each attached to brush
On frame 5, with the arrangement form of brush 4 accordingly, brush holder 5 also forms the form of arranged stacked, and the brush holder 5 of the bottom is fixed on
On clicking section 8.Being equipped with joint 10 on each brush holder, the one end of wire harness of getting on the bus is connected respectively to the joint of each brush holder 5 correspondence
On 10, the other end is connected with upper vehicle control through wire harness installing port 12 of getting on the bus.One end of lower vehicle wire harness is led with each respectively
Electricity ring 6 connects, and the other end is connected with lower vehicle control through lower vehicle wire harness installing port 7.
In one embodiment of the invention, unlike the prior art, multiple signal transfer units include position, angle
Put detection and checking signal transfer unit, be used for transmitting detection and verification first component and second component angular limit in relative rotation
The signal of position.If be applied in self-travel type aerial work platform by the electric revolving body device of the present invention, Angle Position detects
Get on the bus relative to the signal of the angular limit position rotated of getting off for transmitting detection and verification with checking signal transfer unit.This
Bright this improvement can improve the accuracy of angular limit position detection, and reduces the ambient vibration impact on signal detection, from
And improve the reliability of diagonal angle extreme position detection.
In this embodiment of the invention, main improvement is to devise Angle Position detection and checking signal transmission is single
Unit, so that detection and checking signal are supplied to the corresponding functional part of controller got on the bus, with by controller to rotation of getting on the bus
Angular limit position judge；The signal transmission channels in the most multiple signal transfer units can be carried out Redundancy Design,
So that multiple signals to pass to controller corresponding functional part the most in a redundant way, controller is the most not shown.Under
Improvement main to the two respectively is illustrated by face.
Angle Position detection and checking signal transfer unit
Fig. 5 is Angle Position detection and the first embodiment of checking signal transfer unit, will a wherein layer signal transmission
Unit is as Angle Position detection and checking signal transfer unit.Angle Position detection and checking signal transfer unit include the first brush
4A, the second brush 4B and the first conducting ring 6A.Wherein, the first conducting ring 6A has conductive lengths section and non-conductive length section, the
One brush 4A and the second brush 4B can export different signals in angular limit position range in relative rotation getting on the bus and getting off.
Wherein, the conductive lengths section of the first conducting ring 6A can be arranged along part-circular periphery, and non-conductive length section can be taked to block
Designing or replace with insulant, the first brush 4A and the second brush 4B can be defeated when turning to the end of conductive lengths section
Go out the signal of change, so that controller realizes the judgement of angular limit position by the change of signal.Such as, the first brush 4A can be defeated
Going out and carry out, for diagonal angle extreme position, the signal that detects, the exportable signal being different from the first brush 4A of the second brush 4B is used simultaneously
In realizing signal checking.
From fig. 5, it can be seen that the conductive lengths section of the first conducting ring 6A and maximum in relative rotation between getting on the bus and getting off
Scope beyond angle is corresponding, and " corresponding " refers to that the arc length of conductive lengths section is equal to the angle beyond maximum angle range Theta herein
Product with conducting ring radius.Correspondingly, the first brush 4A is corresponding with the non-conductive length section of the first conducting ring 6A, the second brush
4B is corresponding with the conductive lengths section of the first conducting ring 6A.When θ is less than 180 °, this kind of design can make the first conducting ring
6A is longer, to increase the reliability fixing with the first conducting ring 6A, is not easy to produce displacement time vibrated.
It addition, as the alternative structure of the first conducting ring 6A shown in Fig. 5, it is also possible to by the conductive lengths of the first conducting ring 6A
Section with get on the bus and get off between in relative rotation maximum angle range Theta corresponding, " corresponding " refers to the arc length of conductive lengths section herein
Product equal to maximum angle range Theta Yu conducting ring radius.Correspondingly, the first brush 4A and the conductive lengths of the first conducting ring 6A
Section is corresponding, and the second brush 4B is corresponding with the non-conductive length section of the first conducting ring 6A.When θ is less than 180 °, this kind of design side
Formula can make the first conducting ring 6A have shorter length, to save the material of the first conducting ring 6A.
Comparatively speaking, shown in Fig. 5, the advantage of the first conducting ring 6A set-up mode is, goes wrong in testing result
Time, it is also possible to the line related detected for realizing angular limit position is carried out fault location, and concrete Fault Locating Method is as follows
Explanation.
Such as, in the structure shown in Fig. 5, the first brush 4A and the second brush 4B axis relative to the first conducting ring 6A
It is symmetrical arranged, and the initial position of the first brush 4A is corresponding with the dead ahead of self-travel type aerial work platform, at the first brush
It is connected to, on 4A and the second brush holder 5 corresponding for brush 4B, wire harness A and B that get on the bus, under the inside of the first conducting ring 6A connects
Vehicle wire harness C.Lower vehicle wire harness C is connected to self-travel type aerial work platform and gets off power supply, and the wire harness A that gets on the bus is for transmitting angular limit position
The detection signal put, the wire harness B that gets on the bus for transmitting the signal that diagonal angle extreme position carries out verifying under normal detection state, and
When angular limit position detecting function goes wrong, line fault source is carried out auxiliary positioning.
The wire harness A and the first brush 4A that gets on the bus is around the first conducting ring 6A and turntable synchronous axial system, if wire harness A and B that get on the bus
Conducting situation contrary, then illustrate not less than maximum angle range Theta, the wire harness A that once gets on the bus turns on electric, i.e. shows to exceed maximum
Angular range, theta.At this moment self-travel type aerial work platform travels handle and controls to lose efficacy, and only staff distinguishes one from the other direction, really
After fixed traveling enables, side can continue executing with traveling action.Travel enable and refer to that aerial work platform can perform traveling and move
Make.
If when the wire harness A that judges to get on the bus can not be correctly detected angle of departure extreme position, can be artificially by first
Part forwards the position significantly more than maximum angle range Theta to, and now wire harness B should be in the conduction state.If line now being detected
Bundle A conducting, wire harness B does not turns on, then show to there is fault between the second brush 4B supreme vehicle wire harness B.If wire harness A Yu B is the most not
Conducting, then show to exist between conducting ring 6 and lower vehicle wire harness C line fault, or the first brush 4A and the wire harness A that gets on the bus, second
Brush 4B and get on the bus and there is line fault between wire harness B.
Next by by detecting angular limit position with prior art uses signal transducer by the way of coordinating with guide rail
Scheme compare, the advantage that angular limit position of the present invention is detected is described.In the scheme of prior art, the most vibrated cause
After signal transducer displacement, it is difficult to return to initial position, signal can be caused always to interrupt.And the Angle Position detection in the present invention
The mode coordinated with checking signal transfer unit employing brush 4 and the first conducting ring 6A, owing to brush 4 has certain elasticity,
With the first conducting ring 6A contact cooperation the tightst, it is not easy to disengage, once due to vibration cause brush 4 and the first conducting ring
6A departs from, and brush 4 also can quickly return to contact condition under elastic reaction, thus brush 4 coordinate with the first conducting ring 6A with
The mode detecting extreme angles can reduce the ambient vibration impact on signal detection, thus improves diagonal angle extreme position inspection
The reliability surveyed.
And, in prior art, angular limit position detecting device is arranged on the turntable and between getting off of getting on the bus, installation site phase
To hidden, bring difficulty for post facility maintenance.The angular limit position detecting device of the present invention is realized by electricity revolving body device,
When maintenance of equipment, it is not necessary to turntable is dismantled, only the electric revolving body device being arranged on above turntable need to be carried out operation i.e.
Can, it is possible to increase the convenience of dismounting, to reduce maintenance cost.
Except the first embodiment shown in Fig. 5, Angle Position detection and checking signal transfer unit also can use second
Plant embodiment, main difference is that with the first embodiment, Angle Position detection signal and the biography of Angle Position checking signal
Pass and realized by different unit, then need at least two-layer in signal transfer unit as Angle Position detection and verification letter
Number transfer unit, the second embodiment is the most not shown.
Angle Position detection and checking signal transfer unit include Angle Position detection signal transfer unit and Angle Position verification letter
Number transfer unit, Angle Position detection signal transfer unit is got on the bus and gets off angular limit position in relative rotation for transmitting detection
Signal, Angle Position checking signal transfer unit verifies for the testing result transmitting diagonal position detection signal transfer unit
Signal.
Specifically, Angle Position detection signal transfer unit includes the second conducting ring and the first brush 4A, Angle Position verification letter
Number transfer unit includes that the 3rd conducting ring and the second brush 4B, the first brush 4A and the second brush 4B can get on the bus and get off phase
Different signals is exported, in order to by the second brush 4B, the detection of the first brush 4A is tied in the angular limit position range rotated
Fruit verifies.Wherein, the second conducting ring and the 3rd conducting ring are set to independent form, such as, be co-axially located at different height
On degree.First brush 4A and the second brush 4B electrically connects with getting on the bus, and the second conducting ring and the 3rd conducting ring electrically connect with getting off.
In order to enable the first brush 4A and the second brush 4B getting on the bus and to get off angular limit position range in relative rotation
The signal that interior output is different, can make the conductive lengths section of the second conducting ring and the 3rd conducting ring corresponding to maximum angle range Theta
Region in addition, and by the second conducting ring and the 3rd the most completely overlapped setting of conducting ring, the first brush 4A and second leads
The non-conductive length section of electricity ring is corresponding, and the second brush 4B is corresponding with the conductive lengths section of the 3rd conducting ring.
It addition, in order to enable the first brush 4A and the second brush 4B getting on the bus and to get off angular limit position in relative rotation
In the range of export different signals, it is also possible to the conductive lengths section making the second conducting ring is corresponding with maximum angle range Theta, the 3rd
The conductive lengths section of conducting ring is corresponding with the region beyond maximum angle range Theta, and by the second conducting ring and the 3rd conducting ring
Staggering the most completely setting, the first brush 4A is corresponding with the conductive lengths section of the second conducting ring, the second brush 4B and the 3rd
The non-conductive length section of conducting ring is corresponding.
Signal transmission channels Redundancy Design in multiple signal transfer units
Multiple signal transfer units layering superposition arrange, in every layer signal transfer unit in also include conducting ring 6 and brush
4, at least corresponding two brushes 4 of each conducting ring 6.Conducting ring 6 and brush 4 rotate conducting, and brush 4 electrically connects with getting on the bus, conduction
Ring 6 electrically connects with getting off, for realizing the signal transmission between getting on or off the bus.Arrange feature from brush 4, conducting ring 6
Also the first conducting ring 6A, the second conducting ring and the 3rd conducting ring in aforementioned Angle Position checking signal transfer unit can be contained.
Each road signal that at least corresponding two brushes 4 of each conducting ring 6 transmit between can making to get on or off the bus is formed a plurality of
The signaling path being mutually redundant, when a bang path breaks down wherein, other bang path remains to normally work,
And the possibility that signaling path interrupts time vibrated can also be reduced, thus the reliability that raising communicates between getting on or off the bus
And stability.
Preferably, at least two brush 4 is uniformly arranged along the circumference of conducting ring 6.The advantage of this set form is, can
Make all brushes 4 be attached to the Mass Distribution on clicking section 8 uniform, prevent in clicking section 8 when rotating by out-of-balance force
Impact, and the overall uniform force of conducting ring 6 can be made.Certainly, as an alternative, it would however also be possible to employ at least two brush 4 edge
The form of the circumferential nonuniform mutation operator of conducting ring 6.
Simple and cost-effective in order to arrange, as it is shown on figure 3, corresponding two brushes 4 of each conducting ring 6, it is preferable that two
Individual brush 4 is arranged relative to the axisymmetrical of conducting ring 6.
Further, the central plane at conducting ring 6 power up brush 4 place is deviateed and towards phase in the end of the two brush 4
Instead.Brush 4 uses this kind of arrangement form can effectively reduce the impact that signal is transmitted by ambient vibration.With the side shown in Fig. 3
On the basis of Wei, when being vibrated by left and right directions, owing to two brushes 4 lay respectively at the both sides of conducting ring 6, it is possible to ensure one
The signal stabilization on limit, when being vibrated by fore-and-aft direction, two brushes 4 are attached to center, conducting ring 6 power up brush 4 place respectively and put down
Position before and after face, the signal stabilization that also can guarantee that.
Owing to the first conducting ring 6A, the second conducting ring and the 3rd conducting ring are not closed, fixing in order to improve
Reliability, when electricity revolving body device includes multiple conducting ring 6, multiple conducting rings 6 are coaxially disposed, the first conducting ring and second
Conducting ring and the first conducting ring 6A are located between conducting ring 6, by the chucking power of neighbouring conducting ring 6, it is possible to prevent in week
The conducting ring do not closed misplaces under vibration operating mode.
In view of at least corresponding two brushes 4 of each conducting ring 6, provide the set-up mode of brush holder 5 the most further.Preferably
Ground, is independently arranged for fixing the brush holder 5 of the corresponding brush 4 of same conducting ring 6, so can will be delivered on brush 4 by brush holder 5
Isolating technique come, it is to avoid different brush holder 5 vibrations receiveds intercouple thus affect the stability of signal transmission.It addition,
The brush holder 5 of same conducting ring 6 correspondence can also be wholely set, i.e. this brush holder 5 can install each of same conducting ring 6 correspondence simultaneously
Individual brush 4.
Embodiments of the invention are except arranging Angle Position detection and checking signal transfer unit and signal redundancy transmission side
Face is improved, and there is also the improvement on some other concrete structures.
As it is shown on figure 3, electricity revolving body device also includes that dividing plate 3, dividing plate 3 are located at the two-layer conduction needing to realize signal isolation
Between the brush 4 of ring 6 correspondence.Specifically, dividing plate 3 may be installed between the brush holder 5 of brush 4 correspondence needing isolation.Dividing plate 3
Setting can reduce the interference produced between inhomogeneity signal when transmission, improves the accuracy of signal transmission.
Such as, in conjunction with Fig. 3, CAN signal can be connected above at dividing plate 3, three brushes adjacent with above dividing plate 3
The termination 10 of frame 5 connects that CAN is high, CAN is low and CAN resistance signal respectively.In order to further attenuated signal disturbs, below dividing plate 3
The termination 10 of first brush holder 5 be in vacant state.
In order to realize the sealing of electricity revolving body device, clicking section 8 is provided with lid 2, between lid 2 and clicking section 8
Form the space closed, to prevent from electricity revolving body device enters impurity.In order to improve closure, clicking section 8 is provided with groove
Body 11, lid 2 is embedded in cell body 11 to be arranged on clicking section 8 by end, it is also possible to be fixed on by lid 2 by screw
On clicking section 8.
On the basis of preventing impurity from entering electricity revolving body device, in addition it is also necessary to consider to evacuate lid 2 cohesion collection steam
Problem.For solving this problem, being provided with vent valve 31 on lid 2, the function of vent valve 31 is inside dredging electricity revolving body device
Air-flow, for discharging the steam in lid 2, prevent steam from condensing at casing inner wall.The setting of vent valve 31 can prevent
Electricity electric-conductor corrosion within revolving body device, causes electricity revolving body device to damage, thus improves the reliable of electricity revolving body device
Property and service life.
It addition, present invention also offers a kind of engineering machinery, including the electric revolving body device described in above-described embodiment.
Preferably, engineering machinery is aerial work platform, correspondingly, and first mentioned in electricity revolving body device theme
Part is for getting on the bus, and second component is for getting off.Such as, aerial work platform can be self-travel type aerial work platform or vehicular
Aerial work platform.In addition, engineering machinery can also be get on or off the bus between exist and relatively rotate, but without to getting on or off the bus
Relatively rotate angle to detect in real time, only need to judge the implement of rotational limitation angle.
Owing to staff is when controlling aerial work platform, it is in job platform top, is limited by present position,
When turntable of getting on the bus rotates over certain angle, staff is difficult to judge direction before and after car, if in discriminating direction mistake
In the case of, travel aerial work platform hastily, may advance round about and cause security incident.Thus to work high above the ground
The accurately detection of the spacing angle of platform has important security implications, and spacing angle is when the turntable of aerial work platform rotates super
Crossing this angle, aerial work platform travels handle and controls to lose efficacy, and after only elimination travels and limits, could continue to travel.This sets
Put staff on reminding platform and distinguish the both forward and reverse directions that aerial work platform travels, it is to avoid maloperation.
The present invention, in view of the particularity of aerial work platform mode of operation, have employed what brush 4 matched with conducting ring 6
Mode realizes the detection of angular limit position, can reduce the impact that testing result is vibrated, it is possible to increase the detection of diagonal angle extreme position
Reliability, thus improve the safety of aerial work platform.
In order to judge angular limit position exactly, it is preferable to provide in form at one, as it is shown in figure 5, first leads
Corresponding two brushes 4 of electricity ring 6A, are respectively for the first brush 4A of output angle extreme position detection signal with for output angle
Second brush 4B of extreme position checking signal, the anterior position that the initial position of the first brush 4A is got off with aerial work platform
Corresponding.This setup can be judged to get on the bus relative to whether the rotational angle of anterior position of getting off exceedes angle exactly
Extreme position, in order to before and after staff can not judge car during direction, returns to initial position in time, to improve operation peace
Quan Xing.
And this kind of aerial work platform is owing to have employed the electric revolving body device of the present invention, it is possible to pass between making to get on or off the bus
The signal passed has redundancy backup, same conducting ring 6 arranges at least two brush 4 and can also reduce signal biography time vibrated
Pass the possibility of path disruption, thus improve get on or off the bus between the reliability and stability of communication.
When turntable rotates, brush 4, brush holder 5 and lid 2 is driven to rotate around pedestal 9 and conducting ring by clicking section 8.
Owing to getting on the bus, wire harness is connected with turntable, and along with turntable synchronous axial system, lower vehicle wire harness is fixed in static conducting ring, gets on or off the bus
Wire harness will not occur winding situation, and signal of getting on or off the bus completes stable by conducting ring and the brush 4 that slides on conducting ring surface
Signal transmission.
Above each embodiment of the present invention is described in detail.Specific embodiment used herein is to this
Bright principle and embodiment are set forth, the explanation of above example be only intended to help to understand the method for the present invention and
Core concept.It should be pointed out that, for those skilled in the art, in the premise without departing from the principle of the invention
Under, it is also possible to the present invention is carried out some improvement and modification, and these improve and modify the protection also falling into the claims in the present invention
In the range of.
Claims (17)
1. an electric revolving body device, is used for being located between relatively turnable first component and second component, including multiple letters
Number transfer unit, it is characterised in that the plurality of signal transfer unit includes Angle Position detection and checking signal transfer unit,
For transmitting detection and verifying described first component and the signal of described second component angular limit position in relative rotation.
Electricity revolving body device the most according to claim 1, it is characterised in that Angle Position detection and checking signal transfer unit
Including the first brush (4A), the second brush (4B) and the first conducting ring (6A), described first conducting ring (6A) has conductive lengths
Section and non-conductive length section, described first brush (4A) and described second brush (4B) can be at described first components and described the
The signal that in two parts angular limit position range in relative rotation, output is different.
Electricity revolving body device the most according to claim 2, it is characterised in that described first brush (4A) is led with described first
The non-conductive length section of electricity ring (6A) is corresponding, and described second brush (4B) is right with the conductive lengths section of described first conducting ring (6A)
Should.
Electricity revolving body device the most according to claim 2, it is characterised in that the conductive lengths of described first conducting ring (6A)
Section with between described first component and described second component in relative rotation maximum angle scope (θ) corresponding.
Electricity revolving body device the most according to claim 2, it is characterised in that the conductive lengths of described first conducting ring (6A)
Section with between described first component and described second component in relative rotation scope beyond maximum angle corresponding.
Electricity revolving body device the most according to claim 1, it is characterised in that the detection of described Angle Position and checking signal transmit
Unit includes Angle Position detection signal transfer unit and Angle Position checking signal transfer unit, the detection signal transmission of described Angle Position
Unit is for transmitting the described first component of detection and the signal of described second component angular limit position in relative rotation, position, described angle
Put checking signal transfer unit, for transmission, described Angle Position is detected the letter that the testing result of signal transfer unit verifies
Number.
Electricity revolving body device the most according to claim 6, it is characterised in that described Angle Position detection signal transfer unit bag
Including the second conducting ring and the first brush (4A), described Angle Position checking signal transfer unit includes the 3rd conducting ring and the second brush
(4B), described first brush (4A) and described second brush (4B) can turn described first component is relative with described second component
The signal that in dynamic angular limit position range, output is different.
Electricity revolving body device the most according to claim 1, it is characterised in that the plurality of signal transfer unit layering superposition
Arranging, the detection of described Angle Position and checking signal transfer unit are at least one of which in the plurality of signal transfer unit.
9. according to the arbitrary described electric revolving body device of claim 1～8, it is characterised in that the plurality of signal transfer unit
Layering superposition is arranged, and every layer of described signal transfer unit includes conducting ring (6) and brush (4), and each described conducting ring (6) is extremely
Few corresponding two described brushes (4).
Electricity revolving body device the most according to claim 9, it is characterised in that brush described at least two (4) is along accordingly
The circumference of described conducting ring (6) is angularly arranged.
11. electricity revolving body devices according to claim 10, it is characterised in that corresponding two of each described conducting ring (6)
Described brush (4), the central plane at deviation described conducting ring (6) power up brush (4) place, end of two described brushes (4) and court
To on the contrary.
12. electricity revolving body devices according to claim 9, it is characterised in that also include that dividing plate (3), described dividing plate (3) set
Between the described brush (4) that two described conducting rings (6) are corresponding.
13. electricity revolving body devices according to claim 9, it is characterised in that also wrap in the plurality of signal transfer unit
Including brush holder (5), described brush (4) is located on described brush holder (5), and the described brush holder (5) of same described conducting ring (6) correspondence is mutual
Independent.
14. according to the arbitrary described electric revolving body device of claim 1～8, it is characterised in that also includes lid (2) and stirs
Portion (8), described clicking section (8) are provided with cell body (11), and described lid (2) is embedded in described cell body (11) by end with peace
It is contained on described clicking section (8).
15. 1 kinds of engineering machinery, it is characterised in that include the arbitrary described electric revolving body device of claim 1～14.
16. engineering machinery according to claim 15, it is characterised in that described engineering machinery is aerial work platform, institute
Stating first component for getting on the bus, described second component is for getting off.
17. according to the engineering machinery described in claim 15 or 16, it is characterised in that the detection of described Angle Position and checking signal pass
The initial position passing unit is corresponding with the anterior position of described engineering machinery.
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Denomination of invention: Electric rotary device and construction machinery applying the electric rotary device Effective date of registration: 20200927 Granted publication date: 20190322 Pledgee: Xugong Group Finance Co.,Ltd. Pledgor: XCMG FIRE SAFETY EQUIPMENT Co.,Ltd. Registration number: Y2020320000201 |
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