CN102427194A - Electrical revolving body and crane - Google Patents
Electrical revolving body and crane Download PDFInfo
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- CN102427194A CN102427194A CN201210006047XA CN201210006047A CN102427194A CN 102427194 A CN102427194 A CN 102427194A CN 201210006047X A CN201210006047X A CN 201210006047XA CN 201210006047 A CN201210006047 A CN 201210006047A CN 102427194 A CN102427194 A CN 102427194A
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- revolving body
- brush
- annular conductive
- electric revolving
- conducting ring
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Abstract
The invention discloses an electrical revolving body. The electrical revolving body comprises multilayer conducting ring pedestals. The each conducting ring pedestal is provided with a plurality of annular conductive cores which are concentric. The each annular conductive core is provided with a corresponding brush. A contact of the brush is contacted with and is communicated with a surface of the annular conductive core. A single layer conducting ring can only transmit a single channel signal. By using the electrical revolving body, the above limitation can be overcome. Under a same transmission capability, a size of the electrical revolving body is small. A transmission reliability is high. The invention also discloses a crane which is provided with the electrical revolving body.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly be used to transmit the electric revolving body of the signal of telecommunication that gets on and off on the crane.The invention still further relates to the crane that is provided with said electric revolving body.
Background technology
Crane generally includes upper frame part and lower frame part, and wherein upper frame part can carry out 360 ° of revolution operations with respect to lower frame part.
Generally speaking; The power supply of little tonnage crane, oil pump, part valve member all are arranged in and get off; In the actual use, need control the working condition of these parts, need design a kind of when getting on the bus the revolution operation for this reason at the control cabinl pulpit of getting on the bus; Can transmit the device of the signal of telecommunication, promptly electric revolving body.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of electric revolving body commonly used on the crane.
As shown in the figure, this electricity revolving body is installed in the crane rotation mechanism in the heart, mainly is made up of wiper mechanism 1, conducting ring 2, top cover 3, base 4 etc., and base 4 is connected with crane through bolt, hydraulic gyration joint.
When the crane spinning movement, base 4, wiper mechanism 1 rotate synchronously, and conducting ring 2 is fixed, and this moment, electric revolving body just can be followed the synchronization action of getting on the bus; The signal of getting off then is delivered to wiper mechanism 1 through conducting ring 2, is delivered to the wire harness of getting on the bus then, the transmission of the signal of telecommunication of realizing getting on and off.
This electric revolving body, every layer of conducting ring 2 can only the transmission of one line signals of telecommunication, and when a plurality of signals transmission of needs, its volume is bigger.In addition, in limited space, be difficult for carrying out Redundancy Design, when promptly adopting a plurality of passages to transmit a signal, reliability is not high.
Therefore, how eliminating the limitation that the individual layer conducting ring can only transmit one-channel signal, reduce the size of electric revolving body, and improve transmission reliability, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
First purpose of the present invention provides a kind of electric revolving body.This electricity revolving body has overcome the limitation that the individual layer conducting ring can only transmit one-channel signal, and under equal transmittability, its size is less relatively, and have higher transmission reliability.
Second purpose of the present invention provides a kind of crane that is provided with said electric revolving body.
In order to realize above-mentioned first purpose; The present invention provides a kind of electric revolving body; Comprise multilayer conductive ring base; Each said conducting ring base is provided with the annular conductive cores of a plurality of concentrics, is respectively equipped with corresponding brush on each said annular conductive cores, and the contact of said brush contacts connection with said annular conductive cores surface.
Preferably, said annular conductive cores is positioned at the upper surface and/or the lower surface of said conducting ring base.
Preferably, the same lip-deep annular conductive cores quantity of said conducting ring base is 2-4.
Preferably, offer cable-through hole on the said conducting ring base, except that inner ring annular conductive cores, cable one end of all the other each annular conductive cores is connected with annular conductive cores, and the other end causes conducting ring base inside through said cable-through hole.
Preferably, said cable-through hole inwardly radially extends from the side of conducting ring base.
Preferably, said brush is installed on brush carriage, and said brush carriage is positioned at said conducting ring base one side.
Preferably, said brush is a compressing tablet formula brush.
Preferably, said compressing tablet formula brush comprises a plurality of brush heads that inwardly radially extend, and said contact is positioned at the end of each said brush head.
In order to realize above-mentioned second purpose; The present invention also provides a kind of crane; Comprise and get on the bus, get off and connect the said slew gear of getting on the bus and getting off; The center of said slew gear is provided with and on circuit, is communicated with the said electric revolving body of getting on the bus and getting off, and said electric revolving body is above-mentioned each described electric revolving body.
Preferably, the conducting ring base of said electric revolving body is connected with getting off, and its each annular conductive cores is communicated with on circuit with the corresponding parts of getting off through cable; The brush of said electric revolving body is connected with getting on the bus, and on circuit, is communicated with the corresponding parts of getting on the bus through cable.
Electric revolving body provided by the present invention is furnished with the annular conductive cores of a plurality of concentrics on one deck conducting ring base; On each annular conductive cores corresponding brush is set respectively; When brush rotates with respect to annular conductive cores, can slide on annular conductive cores surface, make to be in contact condition between annular conductive cores and the brush all the time; Guaranteed the good communication of signal; Can realize that the individual layer conducting ring carries out the transmission of multiple signal, improve the utilance of conducting ring, reduce the height dimension of electric revolving body.In addition, under identical overall dimension, this electricity revolving body can design more passage, realizes that a plurality of passages transmit the purpose of some signals, improves the reliability of signal transmission.
In a kind of embodiment, offer cable-through hole on the said conducting ring base, except that inner ring annular conductive cores, cable one end of all the other each annular conductive cores is connected with annular conductive cores, and the other end causes conducting ring base inside through said cable-through hole.So; When each annular conductive cores of assurance is separate on circuit, can the stube cable of annular conductive cores be hidden in conducting ring base inside, thereby avoids and the brush interference; Guarantee that in the course of the work cable winding etc. can not occur influences the stable phenomenon of circuit.
Crane provided by the present invention is provided with above-mentioned electric revolving body, because above-mentioned electric revolving body has above-mentioned technique effect, the crane that is provided with this electricity revolving body also should possess the corresponding techniques effect.
Description of drawings
Fig. 1 is the structural representation of a kind of electric revolving body commonly used on the crane;
Fig. 2 is the cross sectional representation of electric revolving body provided by the present invention;
Fig. 3 is that the A of Fig. 2 is to view.
Among Fig. 1:
1. wiper mechanism 2. conducting rings 3. top covers 4. bases
Among Fig. 2,3:
10. the conducting ring base 20-1. first annular conductive cores 20-2. second annular conductive cores 30-1. first brush 30-2. second brush 40-1. first brush carriage 40-2. second brush carriage 50. cable-through holes
Embodiment
Core of the present invention provides a kind of electric revolving body.This electricity revolving body has overcome the limitation that the individual layer conducting ring can only transmit one-channel signal, and under equal transmittability, its size is less relatively, and have higher transmission reliability.
Another core of the present invention provides a kind of crane that is provided with said electric revolving body.
The term that relates to expression orientation such as " upper and lower, left and right " among this paper is based on the position relation of accompanying drawing; Should it be interpreted as the absolute qualification to protection range; In like manner; Terms such as " first, second " only is for the ease of describing, and with the different building blocks that differentiation has same names, does not represent successively or the primary and secondary relation.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 2, Fig. 3, Fig. 2 is the cross sectional representation of electric revolving body provided by the present invention; Fig. 3 is that the A of Fig. 2 is to view.
In a kind of embodiment; Electric revolving body provided by the invention mainly is made up of parts such as brush carriage, brush, conducting ring base, annular conductive cores; The quantity of conducting ring base 10 is multilayer; The upper surface of each conducting ring base 10 and lower surface are respectively equipped with the first annular conductive cores 20-1 and the second annular conductive cores 20-2 of concentric; Be respectively equipped with the corresponding first brush 30-1 and the second brush 30-2 on each annular conductive cores, the contact of each brush contacts connection with each annular conductive cores surface respectively.
The first brush 30-1 and the second brush 30-2 are compressing tablet formula brush, are installed on the first brush carriage 40-1 and the second brush carriage 40-2, and the first brush carriage 40-1 and the second brush carriage 40-2 are positioned at conducting ring base 10 1 sides, and symmetric arrangement; The first brush 30-1 and the second brush 30-2 all have four brush heads that inwardly radially extend, and each brush head contacts with annular conductive cores through the contact of end.
During use, general the getting off with crane of conducting ring base is connected, and brush is connected with crane through brush carriage.When crane turns round operation; Drive brush around annular conductive cores rotational slide; Wherein one road signal of telecommunication of getting off is passed to annular conductive cores through cable, is passed to through brush and another cable then and gets on the bus, the signal transmission between realizing getting on and off.
The annular conductive cores that above-mentioned electric revolving body has a plurality of concentrics in upper surface and lower surface arrangement with one deck conducting ring base; Realize the signal transmission through brush separately respectively; Can realize that the individual layer conducting ring carries out the transmission of multiple signal; Improve the utilance of conducting ring, reduced the height dimension of electric revolving body.
In addition, under identical overall dimension, this electricity revolving body can design more passage, realizes that a plurality of passages transmit the purpose of some signals, improves the reliability of signal transmission.
Further, offer cable-through hole 50 on the conducting ring base 10, except that inner ring annular conductive cores, cable one end of all the other each annular conductive cores is connected with annular conductive cores, and the other end causes conducting ring base 10 inside through cable-through hole 50.
As shown in the figure; When conducting ring base 10 is provided with two annular conductive cores; Cable-through hole 50 inwardly radially extends from the side of conducting ring base 10, and the first annular conductive cores 20-1 and its cable directly are welded to connect in interior ring side, and the cable of the second annular conductive cores 20-2 is outwards drawn through cable-through hole 50 from conducting ring base 10 inside; And connect in succession at the outer shroud face down bonding with the second annular conductive cores 20-2 after upwards turning back, thereby realize the conducting on the circuit.
Like this; When each annular conductive cores of assurance is separate on circuit, can the stube cable of annular conductive cores be hidden in conducting ring base inside, thereby avoids and the brush interference; Guarantee that in the course of the work cable winding etc. can not occur influences the stable phenomenon of circuit.
Above-mentioned electric revolving body only is a kind of preferred version, specifically is not limited thereto, and can make pointed adjustment according to actual needs on this basis, thereby obtain different embodiment.For example, according to the characteristics of transmission signals, the brush contact and the annular conductive cores of varying number, different sizes can be set, to satisfy the user demand of various products.Because mode in the cards is more, just illustrate no longer one by one here.
Except above-mentioned electric revolving body; The present invention also provides a kind of crane; Comprise and get on the bus, get off and connect the said slew gear of getting on the bus and getting off; The center of said slew gear is provided with and on circuit, is communicated with the said electric revolving body of getting on the bus and getting off, and said electric revolving body is above-mentioned each described electric revolving body.
Particularly, the conducting ring base of said electric revolving body is connected with getting off, and its each annular conductive cores is communicated with on circuit with the corresponding parts of getting off through cable; The brush of said electric revolving body is connected with getting on the bus, and on circuit, is communicated with the corresponding parts of getting on the bus through cable.
More than electric revolving body provided by the present invention and crane have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present invention.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection range of claim of the present invention.
Claims (10)
1. electric revolving body; It is characterized in that comprise multilayer conductive ring base, each said conducting ring base is provided with the annular conductive cores of a plurality of concentrics; Be respectively equipped with corresponding brush on each said annular conductive cores, the contact of said brush contacts connection with said annular conductive cores surface.
2. electric revolving body according to claim 1 is characterized in that, said annular conductive cores is positioned at the upper surface and/or the lower surface of said conducting ring base.
3. electric revolving body according to claim 2 is characterized in that, the same lip-deep annular conductive cores quantity of said conducting ring base is 2-4.
4. according to each described electric revolving body of claim 1 to 3; It is characterized in that; Offer cable-through hole on the said conducting ring base; Except that inner ring annular conductive cores, cable one end of all the other each annular conductive cores is connected with annular conductive cores, and the other end causes conducting ring base inside through said cable-through hole.
5. electric revolving body according to claim 4 is characterized in that, said cable-through hole inwardly radially extends from the side of conducting ring base.
6. according to each described electric revolving body of claim 1 to 3, it is characterized in that said brush is installed on brush carriage, said brush carriage is positioned at said conducting ring base one side.
7. electric revolving body according to claim 6 is characterized in that, said brush is a compressing tablet formula brush.
8. electric revolving body according to claim 7 is characterized in that, said compressing tablet formula brush comprises a plurality of brush heads that inwardly radially extend, and said contact is positioned at the end of each said brush head.
9. crane; Comprise and get on the bus, get off and connect the said slew gear of getting on the bus and getting off; The center of said slew gear is provided with and on circuit, is communicated with the said electric revolving body of getting on the bus and getting off; It is characterized in that said electric revolving body is aforesaid right requirement 1 to 8 each described electric revolving body.
10. crane according to claim 9 is characterized in that, the conducting ring base of said electric revolving body is connected with getting off, and its each annular conductive cores is communicated with on circuit with the corresponding parts of getting off through cable; The brush of said electric revolving body is connected with getting on the bus, and on circuit, is communicated with the corresponding parts of getting on the bus through cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006047XA CN102427194A (en) | 2012-01-10 | 2012-01-10 | Electrical revolving body and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006047XA CN102427194A (en) | 2012-01-10 | 2012-01-10 | Electrical revolving body and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102427194A true CN102427194A (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210006047XA Pending CN102427194A (en) | 2012-01-10 | 2012-01-10 | Electrical revolving body and crane |
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| CN (1) | CN102427194A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887439A (en) * | 2012-10-31 | 2013-01-23 | 南通润邦重机有限公司 | Marine telescopic crane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344896Y (en) * | 1998-11-17 | 1999-10-20 | 虞松光 | Conducting ring assembly |
| CN2725749Y (en) * | 2004-03-04 | 2005-09-14 | 欧阳维秀 | Rotary disk of electric chafing dish |
| CN1770570A (en) * | 2005-09-29 | 2006-05-10 | 倚天资讯股份有限公司 | Pivot device for portable electronic installation |
| CN102117999A (en) * | 2009-12-31 | 2011-07-06 | 徐州重型机械有限公司 | Electric revolution body and engineering machinery with same |
| CN202423789U (en) * | 2012-01-10 | 2012-09-05 | 徐州重型机械有限公司 | Electrical revolving body and crane |
-
2012
- 2012-01-10 CN CN201210006047XA patent/CN102427194A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2344896Y (en) * | 1998-11-17 | 1999-10-20 | 虞松光 | Conducting ring assembly |
| CN2725749Y (en) * | 2004-03-04 | 2005-09-14 | 欧阳维秀 | Rotary disk of electric chafing dish |
| CN1770570A (en) * | 2005-09-29 | 2006-05-10 | 倚天资讯股份有限公司 | Pivot device for portable electronic installation |
| CN102117999A (en) * | 2009-12-31 | 2011-07-06 | 徐州重型机械有限公司 | Electric revolution body and engineering machinery with same |
| CN202423789U (en) * | 2012-01-10 | 2012-09-05 | 徐州重型机械有限公司 | Electrical revolving body and crane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887439A (en) * | 2012-10-31 | 2013-01-23 | 南通润邦重机有限公司 | Marine telescopic crane |
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Application publication date: 20120425 |