CN201395947Y - Electro-hydraulic swivel joint - Google Patents
Electro-hydraulic swivel joint Download PDFInfo
- Publication number
- CN201395947Y CN201395947Y CN2009201063318U CN200920106331U CN201395947Y CN 201395947 Y CN201395947 Y CN 201395947Y CN 2009201063318 U CN2009201063318 U CN 2009201063318U CN 200920106331 U CN200920106331 U CN 200920106331U CN 201395947 Y CN201395947 Y CN 201395947Y
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- CN
- China
- Prior art keywords
- circuit
- concrete mixer
- getting
- oil
- swivel coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000008878 coupling Effects 0.000 claims description 28
- 238000010168 coupling process Methods 0.000 claims description 28
- 238000005859 coupling reaction Methods 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 37
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
An electro-hydraulic swivel joint is used on a concrete pump truck, and includes an oil-way swivel body and a circuit swivel body. The oil-way swivel body includes a swivel sleeve connected with the lower truck of the concrete pump truck, and a swivel shaft connected with the upper truck of the concrete pump truck; a guide line hole and a plurality of oil-way holes are axially formed on the swivelshaft; oil outlets respectively communicated with the oil-way holes are radially formed on the swivel sleeve. The circuit swivel body includes an electric brush and a conducting ring; the electric brush is fixedly connected with the lower end of the swivel shaft; the conducting ring is fixedly connected with the lower end of the swivel sleeve; a radial through-hole allowing a feed delivery pipe of the concrete pump truck to pass through is formed on the swivel shaft; and the conducting ring is a hollow swivel body and has a hollow part corresponding to the radial through-hole. The utility model can meet the requirement of transferring power or data from a fixed position to a rotary position, and meet the installation requirement of the feed delivery pipe of the concrete pump truck.
Description
Technical field
The utility model relates to a kind of swivel coupling, specifically, relates to a kind of electric liquid swivel coupling that is used for concrete mixer.
Background technology
At present, on the market between the brace table of most concrete mixers and the jib connection of fluid pressure line be to use high-pressure hose, because flexible pipe rotates with conveying pipeline, makes the jib angle of revolution also limited, so when pump truck is carried out operation, often bring very big inconvenience.Pump truck adopts common swivel coupling to connect with part galianconism frame (three joint arms), and common swivel coupling does not have the circuit communication function, and the oil circuit that can only do upper and lower two parts hydraulic system is communicated with, and can not satisfy the demand from brace table to jib delivering power or data.Though, the patent No. is that " 200820030874.1 ", patent name are " the large-sized machinery hydraulic central authorities swivel coupling of charged brush ", the swivel coupling of its announcement can satisfy from the permanent position to the demand of position of rotation delivering power or data, but, because its gyroaxis is that solid shafting, brush are arranged in the end cap, it can not satisfy the conveying pipeline installation requirements of concrete mixer.
The utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, provides a kind of energy to satisfy from the permanent position to the demand of position of rotation delivering power or data and can satisfy the electric liquid swivel coupling of the conveying pipeline installation requirements of concrete mixer.
To achieve these goals, electric liquid swivel coupling of the present utility model, be used for concrete mixer, comprise oil circuit revolving body and circuit revolving body, described oil circuit revolving body comprises revolving sleeve that is connected with getting off of concrete mixer and the gyroaxis that is connected with getting on the bus of concrete mixer, axially offer wire guide and many oil circuit holes on the described gyroaxis, described revolving sleeve radially offers the oil-out that communicates respectively with many oil circuit holes, described circuit revolving body comprises brush and conducting ring, described brush is fixedly connected on the lower end of described gyroaxis, described conducting ring is fixedly connected on the lower end of described revolving sleeve, it is characterized in that: described gyroaxis is provided with for the current axially extending bore of the conveying pipeline of concrete mixer, described conducting ring is hollow revolving body, and it has the hollow part corresponding with described axially extending bore.
Above-mentioned electric liquid swivel coupling, wherein, described axially extending bore is arranged on the center of described gyroaxis.
Above-mentioned electric liquid swivel coupling, wherein, described revolving sleeve is provided with the limited block of fixedlying connected with getting off of concrete mixer.
Above-mentioned electric liquid swivel coupling, wherein, described revolving sleeve below is fixedly connected with protective jacket, and described protective jacket is hollow revolving body, has cavity on it, and described circuit revolving body is placed in the described cavity.
Above-mentioned electric liquid swivel coupling, wherein, the mating face of described protective jacket and revolving sleeve is equipped with O shape circle.
Above-mentioned electric liquid swivel coupling, wherein, described brush comprises conductive filament, and an end of described conductive filament connects a lead, and described lead passes described wire guide and is connected with the circuit of getting on the bus of concrete mixer.
Above-mentioned electric liquid swivel coupling, wherein, described conducting ring is made up of insulating layer and conducting strip stack, the other end of the described conductive filament of internal terminal one end in contact of described conducting strip, the other end is connected with the circuit of getting off of concrete mixer.
Beneficial functional of the present utility model is, oil circuit revolving body and circuit revolving body are set, and the gyroaxis of oil circuit revolving body is provided with for the current axially extending bore of the conveying pipeline of concrete mixer, the conducting ring of circuit revolving body has the hollow part corresponding with axially extending bore, thereby makes electric liquid swivel coupling can satisfy from the permanent position to the demand of position of rotation delivering power or data and can satisfy the conveying pipeline installation requirements of pump truck.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the vertical view of the utility model electricity liquid swivel coupling;
Fig. 2 is the A-A sectional view among Fig. 1;
Fig. 3 is the B-B sectional view among Fig. 1;
Fig. 4 is the I portion enlarged drawing among Fig. 2;
Fig. 5 is the II portion enlarged drawing among Fig. 2.
Wherein, Reference numeral
100 electric liquid swivel couplings
10 oil circuit revolving bodies
11 gyroaxises
111 oil circuit holes
112 oil circuit holes
113 oil circuit holes
114 oil circuit holes
115 wire guides
116 axially extending bores
12 revolving sleeves
121 annular oil grooves
122 annular oil grooves
123 annular oil grooves
124 annular oil grooves
125 limited blocks
20 circuit revolving bodies
21 conducting rings
211 insulating layers
212 conducting strips
213 hollow parts
214 conducting ring mount pads
22 brushes
221 conductive filaments
222 brush bearings
23 thrust bearings
24 leads of getting off
25 leads
3 protective jackets
31 cavitys
4O shape circle
5 sealing rings
61 flanges
62 flanges
71 oil pipes of getting off
72 oil pipes of getting on the bus
81 bolts
82 screws
83 pins
84 screws
91 cables of getting off
92 cables of getting on the bus
93 rubber sleeves
The specific embodiment
Below in conjunction with accompanying drawing electric liquid swivel coupling structure of the present utility model is done concrete description:
Consult Fig. 1 to Fig. 3, as shown in the figure, electric liquid swivel coupling 100 of the present utility model is mainly used on the concrete mixer, comprises oil circuit revolving body 10 and circuit revolving body 20.
Oil circuit revolving body 10 comprises gyroaxis 11 and revolving sleeve 12, gyroaxis 11 axially inserts in the revolving sleeve 12, be equipped with O shape circle 4 and sealing ring 5 between gyroaxis 11 and revolving sleeve 12 mating faces, and gyroaxis 11 front ends stretch out outside the revolving sleeve 12, be welded with flange 61 on the extension, relend by this flange 61 and to help bolt 81 that gyroaxis 11 is connected with getting on the bus of concrete mixer, axially offer wire guide 115 and four oil circuit holes 111 on the gyroaxis 11,112,113,114, the upper end in these four oil circuit holes communicates (number of the oil pipe 72 of herein getting on the bus is corresponding with the number in oil circuit hole) with the oil pipe 72 of getting on the bus of concrete mixer, and the center of gyroaxis 11 is provided with for the current axially extending bore 116 of the conveying pipeline of concrete mixer.Revolving sleeve 12 is provided with limited block 125, by this limited block 125 revolving sleeve 12 is fixedlyed connected with getting off of concrete mixer, the inwall of revolving sleeve 12 offers four annular oil grooves 121,122,123,124, corresponding four oil-outs radially of these four annular oil grooves, these four ends of oil-out communicate with the oil pipe 71 of getting off of concrete mixer (number of oil pipe 71 of herein getting off is corresponding with the number of oil-out radially) radially, the other end respectively with four oil circuit holes 111,112,113,114 communicate, like this, by the oil circuit hole, the connection of annular oil groove and oil-out, make the get on the bus oil circuit and the oil circuit connection of getting off of concrete mixer, certainly, oil circuit hole herein, annular oil groove and oil-out are not limited to four, can adjust the quantity of oil circuit hole and oil-out as required.
In conjunction with Fig. 4 and Fig. 5, circuit revolving body 20 comprises conducting ring 21 and brush 22 again, and its center brush 22 is fixedly connected on the lower end of gyroaxis 11 by flange 62; Conducting ring 21 has conducting ring mount pad 214, by pin 83 this conducting ring mount pad 214 is fixedlyed connected with revolving sleeve 12, conducting ring 21 is fixedly connected on the lower end of revolving sleeve 12, conducting ring 21 is hollow revolving body, have the hollow part 213 corresponding on it with axially extending bore 116, current with the conveying pipeline that makes things convenient for concrete mixer.Brush 22 comprises conductive filament 221 and brush bearing 222, wherein, brush bearing 222 is fixedlyed connected with flange 62 by screw 84, thereby brush 22 is fixedly connected on the lower end of gyroaxis 11, certainly, for convenience the conveying pipeline of concrete mixer is current, and flange 62 and brush bearing 222 all have the hollow part (not shown) corresponding with axially extending bore 116, one end of conductive filament 221 connects lead 25, and this lead 25 passes wire guide 115 and is connected with the cable 92 of getting on the bus of concrete mixer.Conducting ring 21 is made up of insulating layer 211 and conducting strip 212 stacks, the other end of the internal terminal one end in contact conductive filament 221 of conducting strip 212, the other end is connected with the cable 91 of getting off by the lead 24 of getting off, thereby the circuit of getting on the bus of concrete mixer is connected with the circuit of getting off.Further, because brush 22 is along with gyroaxis 11 rotates, thereby rotate, so between flange 62 and conducting ring mount pad 214, thrust bearing 23 is set relative to conducting ring 21.
For holding circuit revolving body 20; below revolving sleeve 12, pass through bolt 82 fixedly connected protective jackets 3; protective jacket 3 has and the doughnut similar shapes; be hollow revolving body; has cavity 31 on it; circuit revolving body 20 is placed in the cavity 31, and the mating face of protective jacket 3 and revolving sleeve 12 is equipped with O shape circle 4.The chamber wall of cavity 31 is provided with through hole, passing this through hole with the cable 91 of conveniently getting off is connected with the lead 24 of getting off, in order better to avoid circuit revolving body 20 to make moist, the get off mating face of cable 91 and through hole is provided with rubber sleeve 93, similarly, on the mating face of cable 92 of getting on the bus rubber sleeve 93 is set also with wire guide 115.
From as can be seen above-mentioned, the utility model can not only realize that hydraulic oil, the signal of telecommunication getting off by (pump truck brace table/underframe) and getting on the bus transmission between (pump truck turntable/capstan head), and the gyroaxis of this swivel coupling and conducting ring all are hollow revolving bodies, the concrete conveying pipeline can be arranged in the center, thereby makes things convenient for the pump truck construction.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (7)
1, a kind of electric liquid swivel coupling, be used for concrete mixer, comprise oil circuit revolving body and circuit revolving body, described oil circuit revolving body comprises revolving sleeve that is connected with getting off of concrete mixer and the gyroaxis that is connected with getting on the bus of concrete mixer, axially offer wire guide and many oil circuit holes on the described gyroaxis, described revolving sleeve radially offers the oil-out that communicates respectively with many oil circuit holes, described circuit revolving body comprises brush and conducting ring, described brush is fixedly connected on the lower end of described gyroaxis, described conducting ring is fixedly connected on the lower end of described revolving sleeve, it is characterized in that: described gyroaxis is provided with for the current axially extending bore of the conveying pipeline of concrete mixer, described conducting ring is hollow revolving body, and it has the hollow part corresponding with described axially extending bore.
2, electric liquid swivel coupling according to claim 1 is characterized in that described axially extending bore is arranged on the center of described gyroaxis.
3, electric liquid swivel coupling according to claim 2 is characterized in that described revolving sleeve is provided with the limited block of fixedlying connected with getting off of concrete mixer.
4, electric liquid swivel coupling according to claim 1 is characterized in that, described revolving sleeve below is fixedly connected with protective jacket, and described protective jacket is hollow revolving body, has cavity on it, and described circuit revolving body is placed in the described cavity.
5, electric liquid swivel coupling according to claim 4 is characterized in that, the mating face of described protective jacket and revolving sleeve is equipped with O shape circle.
6, electric liquid swivel coupling according to claim 1 is characterized in that described brush comprises conductive filament, and an end of described conductive filament connects a lead, and described lead passes described wire guide and is connected with the circuit of getting on the bus of concrete mixer.
7, electric liquid swivel coupling according to claim 6, it is characterized in that, described conducting ring is made up of insulating layer and conducting strip stack, the other end of the described conductive filament of internal terminal one end in contact of described conducting strip, and the other end is connected with the circuit of getting off of concrete mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201063318U CN201395947Y (en) | 2009-03-04 | 2009-03-04 | Electro-hydraulic swivel joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201063318U CN201395947Y (en) | 2009-03-04 | 2009-03-04 | Electro-hydraulic swivel joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201395947Y true CN201395947Y (en) | 2010-02-03 |
Family
ID=41618453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201063318U Expired - Lifetime CN201395947Y (en) | 2009-03-04 | 2009-03-04 | Electro-hydraulic swivel joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201395947Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587717A (en) * | 2017-08-18 | 2018-01-16 | 陈保平 | A kind of centre revolving device, pump truck revolving dial and pump truck |
| CN112082027A (en) * | 2020-09-30 | 2020-12-15 | 三一汽车制造有限公司 | Hydraulic swivel joint, electro-hydraulic swivel connecting device and work vehicle |
-
2009
- 2009-03-04 CN CN2009201063318U patent/CN201395947Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587717A (en) * | 2017-08-18 | 2018-01-16 | 陈保平 | A kind of centre revolving device, pump truck revolving dial and pump truck |
| CN112082027A (en) * | 2020-09-30 | 2020-12-15 | 三一汽车制造有限公司 | Hydraulic swivel joint, electro-hydraulic swivel connecting device and work vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIQI FUTIAN AUTOMOBILE CO., LTD. Free format text: FORMER OWNER: FOTON HEAVY MACHINERY CO., LTD. Effective date: 20100716 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: FOTON HEAVY MACHINERY CO., LTD. Free format text: FORMER NAME: FOTON LOVOL INTERNATIONAL HEAVY INDUSTRIES CO., LTD. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100094 NO.1, FENGXIU MIDDLE ROAD, HAIDIAN DISTRICT, BEIJING CITY TO: 102206 SHAYANG ROAD, SHAHE TOWN, CHANGPING DISTRICT, BEIJING CITY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100094, No. 1, Feng Xiu Road, Beijing, Haidian District Patentee after: FOTON HEAVY MACHINERY Co.,Ltd. Address before: 100094, No. 1, Feng Xiu Road, Beijing, Haidian District Patentee before: FOTON LOVOL INT HEAVY IND Co. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100716 Address after: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee after: BEIQI FOTON MOTOR Co.,Ltd. Address before: 100094, No. 1, Feng Xiu Road, Beijing, Haidian District Patentee before: FOTON HEAVY MACHINERY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |