CN102322148A - Centre revolving device and construction machine - Google Patents
Centre revolving device and construction machine Download PDFInfo
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- CN102322148A CN102322148A CN 201110166502 CN201110166502A CN102322148A CN 102322148 A CN102322148 A CN 102322148A CN 201110166502 CN201110166502 CN 201110166502 CN 201110166502 A CN201110166502 A CN 201110166502A CN 102322148 A CN102322148 A CN 102322148A
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- steering device
- revolving body
- channel
- center steering
- housing
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- 238000010276 construction Methods 0.000 title abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004891 communication Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention discloses a centre revolving device. The centre revolving device comprises at least two revolving units, wherein each of the revolving units comprises a shell (1) and a revolving body (2) nested inside the shell (1); an annular groove (21) is arranged on the external peripheral surface of the revolving body (2); a first channel (22) which is used for communicating the annular groove (21) with the upper end face of the revolving body (2) is arranged inside the revolving body (2); the shell (1) is provided with a through hole (11) which is used for communicating the annular groove (21) with the external peripheral surface of the shell (1); a second channel (23) which is used for communicating the upper end face of the revolving body with the lower end face of the revolving body is also arranged inside the revolving body (2); and the first channel (22) is in communication with the second channel (23) or an outlet pipeline of the upper-layer revolving unit. The centre revolving device has the advantages of stronger universality, higher flexibility for assembling and wider application range. In addition, the invention also provides a construction machine which comprises the centre revolving device.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly a kind of center steering device of engineering machinery.In addition, the invention still further relates to a kind of engineering machinery that comprises above-mentioned center steering device.
Background technology
Along with rapid economy development; Engineering machinery more and more widely be applied to construction field, especially getting on the bus has the engineering machinery of relative slew gear, for example concrete mixer with the chassis; Hold fire fighting truck etc. high, become the indispensable special equipment of current construction construction field.
Wherein, The center steering device is to realize the rotating relatively important spare part of engineering machinery; Its not only can realize getting on the bus parts and the reliable of chassis is connected; And the power set of each part are installed on the chassis in the parts of getting on the bus, and hydraulic-driven pipeline and other transfer pipelines that connects power set need pass through the center steering device and can realize and being connected of the parts of getting on the bus.
Please refer to Fig. 1, Fig. 1 is the sectional view of a kind of typical center steering device of prior art.
The revolving body 2 ' that the center steering device comprises housing 1 ' and is positioned at housing 1 ' inside; Engineering machinery is provided with the installing hole that matches with the outer peripheral face of housing 1 '; Housing 1 ' is located at and is realized in the installing hole being connected with the reliable of engineering machinery chassis; And the circumferential relative fixed on housing 1 ' and chassis, thereby housing 1 ' can rotate with the chassis; Revolving body 2 ' is fixedly connected the parts of getting on the bus through the flange that the upper end is provided with, and can follow the parts housing 1 ' rotation relatively together of getting on the bus.
The face of cylinder of revolving body 2 ' is provided with the duct 2 ' 1 of cannelure 2 ' 2 and connection revolving body 2 ' upper surface, edge; And with have on the outer wall of cannelure 2 ' 2 corresponding shell 1 ' respectively and cannelure 2 ' 2 corresponding through holes 1 ' 1; Duct 2 ' 1, cannelure 2 ' 2 and through hole 1 ' 1 have constituted the passage of medium, and three's concrete quantity is set according to the actual conditions of engineering machinery.
The quantity of the communication passage in the center steering device of the prior art is predefined; Can not select to change according to the difference of engineering machinery, versatility be poor, and when the driver part of getting on the bus of engineering machinery increases; The center steering device can not satisfy instructions for use, need to change.
Therefore, how to research and develop a kind of center steering device, the versatility of this center steering device is more intense, uses more flexibly, and functional reliability is the present technical issues that need to address of those skilled in the art than higher.
Summary of the invention
The object of the invention purport is for providing a kind of center steering device, and the use of this center steering device is relatively more flexible and versatility is more intense.In addition, the another object of the present invention purport is that a kind of engineering machinery that comprises above-mentioned center steering device is provided.
For solving the problems of the technologies described above; The invention provides a kind of center steering device; Comprise at least two turning units, the revolving body that said turning unit comprises housing and is nested in said enclosure interior, the outer peripheral face of said revolving body is provided with cannelure; And the set inside of said revolving body has the first passage of the upper surface that is communicated with said cannelure and said revolving body; And said housing is provided with the through hole of the outer peripheral face that is communicated with said cannelure and said housing, and the inside of said revolving body also is provided with and is communicated with its second channel of both ends of the surface up and down, and said first passage is communicated with said second channel or the export pipeline with the said turning unit in upper strata.
Preferably, said second channel and said first passage circumferentially distribute with the footpath along said revolving body, and the central angle between central angle between the two adjacent said second channels and the two adjacent said first passages equates.
Preferably, the bottom of said second channel is provided with link slot, and said first passage is communicated with the said second channel of the said turning unit in upper strata through said link slot.
Preferably, the center of said revolving body is provided with the water conservancy diversion duct.
Preferably, the periphery wall of said housing is provided with locating piece.
Preferably, be provided with annular mounting groove between said cannelure or the said through hole, be provided with the sealing ring of the contact surface that extends to said housing and said revolving body in the said annular mounting groove.
Preferably, the upper end of said second channel is provided with groove, is provided with the O RunddichtringO that matches with it in the said groove.
The present invention also provides a kind of engineering machinery, comprises the chassis and is arranged at the center steering device on the said chassis, and said center steering device is above any described center steering device.
Preferably, said engineering machinery is specially concrete mixer.
A kind of center steering device provided by the invention; Comprise at least two turning units; The revolving body that said turning unit comprises housing and is nested in said enclosure interior; The outer peripheral face of said revolving body is provided with cannelure, and the set inside of said revolving body has the first passage of the upper surface that is communicated with said cannelure and said revolving body, and said housing is provided with the through hole of the outer peripheral face that is communicated with said cannelure and said housing; And the inside of said revolving body also is provided with and is communicated with its second channel of both ends of the surface up and down, and said first passage is communicated with said second channel or the export pipeline with the said turning unit in upper strata.
When center steering device provided by the present invention uses; The housing of its turning unit is fixed on the chassis of engineering machinery; Revolving body is fixedly connected the parts of getting on the bus; Medium pipeline on the chassis is communicated with the through hole on the housing, and the autonomous channel that medium can constitute through the second channel of the cannelure that is communicated with this through hole and first passage that is communicated with this cannelure and/or upper strata turning unit is communicated with the parts of getting on the bus; And can increase or reduce the medium channel of center steering device through the quantity that increases or reduce turning unit.
Center steering device versatility provided by the present invention is more intense, and the assembling flexibility is than higher, and range of application is wider.
Description of drawings
Fig. 1 is the sectional view of a kind of typical center steering device of prior art;
Fig. 2 is the sectional view of a kind of center steering device provided by the present invention;
Fig. 3 is the vertical view of center steering device shown in Figure 2.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 1:
1 ' housing; 2 ' revolving body; 1 ' 1 through hole; 2 ' 1 duct; 2 ' 2 cannelures.
Wherein, the corresponding relation between Reference numeral and the component names is among Fig. 2 and Fig. 3:
1 housing; 11 through holes; 12 locating pieces; 2 revolving bodies; 21 cannelures; 22 first passages; 23 second channels; 24 water conservancy diversion ducts; The 3O RunddichtringO; 4 sealing rings; 5 upper end covers; 51 second connecting holes; 52 second connecting holes; 6 bottom end covers; 7 bolts.
The specific embodiment
Core purport of the present invention is for providing a kind of center steering device, and the use of this center steering device is relatively more flexible and versatility is more intense.In addition, another core purport of the present invention is that a kind of engineering machinery that comprises above-mentioned center steering device is provided.
Be without loss of generality, this paper is applied as example introduction with the center steering device in concrete mixer, it will be understood by those skilled in the art that and also do not get rid of the application of center steering device provided by the present invention in the other field product.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is done further detailed description below in conjunction with accompanying drawing and specific embodiment.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the sectional view of a kind of center steering device provided by the present invention; Fig. 3 is the vertical view of center steering device shown in Figure 2.
A kind of center steering device provided by the invention; Comprise at least two turning units; The revolving body 2 that turning unit comprises housing 1 and is nested in housing 1 inside; The outer peripheral face of revolving body 2 is provided with cannelure 21, and the degree of depth of cannelure 21 can be set according to actual conditions, only otherwise the working strength that influences revolving body 2 gets final product.
And; The set inside of revolving body 2 has the first passage 22 of the end face that is communicated with cannelure 21 and revolving body 2; And housing 1 is provided with the through hole 11 of the outer peripheral face that is communicated with cannelure 21 and housing 1; The quantity of through hole 11 can be provided with one or more, and each through hole that is communicated with same cannelure 21 can only be colluded kind of a medium in principle.
The inside of revolving body 2 also is provided with and is communicated with its second channel 23 of both ends of the surface up and down; The second channel 23 or the export pipeline of first passage 22 connection upper strata turning units, promptly cannelure 21 can be communicated with extraneous through the autonomous channel that first passage 22 and/or second channel 23 constitute.The export pipeline at this place is meant the exterior line that is communicated with the parts of getting on the bus.
The fixed connection mode of each turning unit of center steering device can connect for bolt, promptly on each block construction, processes through hole, uses bolt 7 to pass all through holes each unit housing and revolving body are separately fixed at together.
When this center steering device uses; The housing 1 of its turning unit is fixed on the chassis of concrete mixer; Revolving body 2 is fixedly connected the parts of getting on the bus; Medium pipeline on the chassis is communicated with the through hole on the housing 1, and the cannelure 21 that medium can be through being communicated with this through hole and the second channel 23 of first passage 22 that is communicated with this cannelure 21 and/or upper strata turning unit are communicated with the parts of getting on the bus; And can increase or reduce the medium channel of center steering device through the quantity that increases or reduce revolving body 2, versatility is more intense, and range of application is wider, and uses flexibility than higher.
Need to prove that the first passage 22 of revolving body 2 and the shape of second channel 23 and quantity all can be selected according to calculating and practical experience, make and obtain the optimization utilization in the center steering device busy.This paper is that circle is that example is introduced with the shape of cross section of two passages; Be to be understood that; The description in this paper of the first passage 22 of revolving body 2 and the shape of second channel 23 is as long as the scheme of technique effect that can realize this paper is all in the protection domain of this paper.
In a kind of specific embodiment, second channel 23 and first passage 22 circumferentially distribute with the footpath along said revolving body, and the central angle between central angle between the two adjacent second channels 23 and the two adjacent said first passages 22 equates; Two cannelures for example are set on the single-revolution body; The quantity that is communicated with the first passage 22 of same cannelure 21 is two; And the quantity of second channel 23 is four and describes introduction for example; The quantity of second channel 23 and first passage 22 is set when bilevel turning unit is installed and can be selected suitable coupling angle on the revolving body, realizes the technique effect of this patent.
This revolving body relatively simple for structure, processing technology realizes easily, and helps the assembling of two adjacent turning units.
Some holes distribute on the circumferential same diameter of revolving body; Can reduce the working strength at this diametrical position place of revolving body to a great extent; The quantity of arranging through hole simultaneously is also limited, introduces a kind of first passage 22 and the method for second channel 23 along the Different Diameter layout below.
In the another kind of specific embodiment, the bottom of second channel 23 is provided with link slot, and first passage 22 is communicated with the said second channel 23 of upper strata turning unit through link slot; Second channel 23 can increase the quantity of second channel 23 and first passage 22 along its circumferential Different Diameter position distribution relatively with first passage 22 in the revolving body of this structure under the prerequisite that does not reduce revolving body 2 intensity, increases the number of channels of revolving body.
Among above-mentioned each embodiment; The center of revolving body 2 can be provided with coaxial water conservancy diversion duct 24; With the concrete mixer is example, and elephant trunk can be communicated to the relevant position of jib through water conservancy diversion duct 24, and the setting in water conservancy diversion duct 24 not only helps the accurate positioning of carrier pipe; Can also make full use of vehicle body space, help the compactedness that car load is arranged.
A kind of preferred embodiment in, the periphery wall of housing 1 is provided with locating piece 12, housing 1 is installed on the chassis through the locating piece on the perisporium 12, with the restriction housing 1 circumferentially rotate, simple in structure, reliable; Correspondingly, the bolt hole between above-mentioned each embodiment middle shell 1 can be arranged on the locating piece 12.
Ordinary circumstance; Engineering machinery is got on the bus the employed medium of parts maybe be a kind of incessantly, and control hydraulic oil possibly promptly arranged, and other fluids such as water are arranged again; Correspondingly; Promptly will there be hydraulic oil channel the inside of center steering device, other medium channels such as water is arranged again, and between each passage good sealing will be arranged.
Among above-mentioned each embodiment, can also be provided with annular mounting groove between the cannelure 21, be provided with the sealing ring 4 of the contact surface that extends to housing 1 and revolving body 2 in the annular mounting groove, sealing ring can be the O RunddichtringO, also can be other forms of sealing rings such as V-type; Sealing ring can be realized the sealing between the adjacent annular groove 21, the reliability of media isolated when increasing revolving body 2 rotations.
Among above-mentioned each embodiment, the upper end of second channel 23 can be provided with groove, is provided with the O RunddichtringO 3 that matches with it in the groove; The passage junction is provided with the sealing that O RunddichtringO 3 helps guaranteeing passage, avoids medium to leak in two revolving bodies, 2 link positions, guarantees the reliability of center steering device work.
Be to be understood that; The description of the set-up mode of second channel 23 upper grooves in this paper; Also groove can be set all on the upper and lower end face of second channel 23; O RunddichtringO 3 is arranged in the groove of two grooves formation, so not only can play the effect of sealing and can also play the effect of certain location to adjacent revolving body 2.
For the reliability that guarantees that revolving body 2 is connected with the parts of getting on the bus; Offer the upper end cover 5 coaxial and isometrical in the middle of can also comprising in the center steering device with flow-guiding channel; Offer first connecting hole 52 with first passage of revolving body 2 22 and second channel 23 corresponding positions, first passage 22 and second channel 23 can be connected the pipeline of the parts of respectively getting on the bus through above-mentioned first connecting hole; Upper end cover 5 is provided with screwed hole; Make it use second bolt 8 to be fixed in revolving body 2; And can also be provided with on the upper end cover 5 along its boss radially, boss is provided with second connecting hole 51 that connects the parts of getting on the bus, and makes things convenient for being connected of revolving body 2 and the parts of getting on the bus.
In like manner, the bottom of revolving body 2 assemblies can also be provided with and upper end cover 5 similar bottom end covers 6, and revolving body 2 assemblies are fixed on the bottom end cover 6, and the structure of bottom end cover 6 can be with reference to the structure of upper end cover 5, does not do at this and gives unnecessary details.
The upper and lower noun of locality that waits among the present invention is to define to each component and the relative position of characteristic in Fig. 2 and Fig. 3; Just for scheme describe clear; Language performance succinct; It will be understood by those skilled in the art that in the literary composition the noun of locality that uses should not limit the protection domain of this paper.
Except that above-mentioned center steering device, the present invention also provides a kind of engineering machinery, comprises the chassis and is arranged at the center steering device on the said chassis, and this center steering device is above each described center steering device.
A kind of preferred embodiment in, above-mentioned engineering machinery can be specially concrete mixer.
Since comprised above-described center steering device in this concrete mixer, its also corresponding technique effect with this center steering device, and in addition, the technical characterictic of other parts of this concrete mixer can repeat no more at this referring to prior art.
More than a kind of center steering device provided by the present invention and engineering machinery have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.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 domain of claim of the present invention.
Claims (10)
1. center steering device; It is characterized in that; Comprise at least two turning units; Said turning unit comprises housing (1) and is nested in the inner revolving body (2) of said housing (1); The outer peripheral face of said revolving body (2) is provided with cannelure (21), and the set inside of said revolving body (2) has the first passage (22) of the upper surface that is communicated with said cannelure (21) and said revolving body (2), and said housing (1) is provided with the through hole (11) of the outer peripheral face of connection said cannelure (21) and said housing (1); And the inside of said revolving body (2) also is provided with and is communicated with its second channel (23) of both ends of the surface up and down, and said first passage (22) is communicated with said second channel (23) or the export pipeline with the said turning unit in upper strata.
2. center steering device according to claim 1; It is characterized in that; Said second channel (23) and said first passage (22) circumferentially distribute with the footpath along said revolving body, and the central angle between central angle between the two adjacent said second channels (23) and the two adjacent said first passages (22) equates.
3. center steering device according to claim 1 is characterized in that, the bottom of said second channel (23) is provided with link slot, and said first passage (22) is communicated with the said second channel (23) of the said turning unit in upper strata through said link slot.
4. center steering device according to claim 1 is characterized in that, the center of said revolving body (2) is provided with water conservancy diversion duct (24).
5. center steering device according to claim 1 is characterized in that, the periphery wall of said housing (1) is provided with locating piece (12).
6. according to each described center steering device of claim 1 to 5; It is characterized in that; Be provided with annular mounting groove between said cannelure (21) or the said through hole (11), be provided with the sealing ring (4) of the contact surface that extends to said housing (1) and said revolving body (2) in the said annular mounting groove.
7. according to each described center steering device of claim 1 to 5, it is characterized in that the upper end of said second channel (23) is provided with groove, be provided with the O RunddichtringO that matches with it in the said groove.
8. center steering device according to claim 6 is characterized in that, the upper end of said second channel (23) is provided with groove, is provided with the O RunddichtringO that matches with it in the said groove.
9. an engineering machinery comprises the chassis and is arranged at the center steering device on the said chassis, it is characterized in that said center steering device is each described center steering device of claim 1 to 8.
10. engineering machinery according to claim 9 is characterized in that, is specially concrete mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110166502A CN102322148B (en) | 2011-06-20 | 2011-06-20 | Centre revolving device and construction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110166502A CN102322148B (en) | 2011-06-20 | 2011-06-20 | Centre revolving device and construction machine |
Publications (2)
| Publication Number | Publication Date |
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| CN102322148A true CN102322148A (en) | 2012-01-18 |
| CN102322148B CN102322148B (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110166502A Active CN102322148B (en) | 2011-06-20 | 2011-06-20 | Centre revolving device and construction machine |
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| Country | Link |
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| CN (1) | CN102322148B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103751934A (en) * | 2014-01-26 | 2014-04-30 | 明光市浩淼消防科技发展有限公司 | Multi-agent combination central revolving body device |
| CN107587717A (en) * | 2017-08-18 | 2018-01-16 | 陈保平 | A kind of centre revolving device, pump truck revolving dial and pump truck |
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| CN107587717A (en) * | 2017-08-18 | 2018-01-16 | 陈保平 | A kind of centre revolving device, pump truck revolving dial and pump truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102322148B (en) | 2012-08-29 |
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Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
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Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee after: Sany Automobile Manufacturing Co.,Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: SANY HEAVY INDUSTRY Co.,Ltd. |
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Effective date of registration: 20220223 Address after: 410000 3rd floor, Sany administrative center, Sany industrial city, Sany Road, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: SANY GROUP Co.,Ltd. Address before: 410100 31 industrial city, Changsha economic and Technological Development Zone, Hunan Patentee before: Sany Automobile Manufacturing Co.,Ltd. |
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Denomination of invention: A central rotating device and construction machinery Effective date of registration: 20231107 Granted publication date: 20120829 Pledgee: Business Department of Hunan Branch of China Construction Bank Co.,Ltd. Pledgor: SANY GROUP Co.,Ltd. Registration number: Y2023980064163 |
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