CN209041553U - The mixed rotary sealing appts of a kind of air-liquid, electricity - Google Patents
The mixed rotary sealing appts of a kind of air-liquid, electricity Download PDFInfo
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- CN209041553U CN209041553U CN201821543864.8U CN201821543864U CN209041553U CN 209041553 U CN209041553 U CN 209041553U CN 201821543864 U CN201821543864 U CN 201821543864U CN 209041553 U CN209041553 U CN 209041553U
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- rotary shaft
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- sealing ring
- signal transmission
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Abstract
The utility model relates to a kind of gas, liquid, the mixed rotary sealing appts of electricity, including shell, the rotary shaft being rotatably arranged in shell, the first fluid passage is equipped in rotary shaft, first gas passage and the first signal transmission passage, second liquid channel is correspondingly provided on shell, second gas channel and second signal transmission channel, first signal transmission passage is equipped with signal transfer means, second signal transmission channel is equipped with chromacoder, shell includes main casing and end cap, main casing is equipped with the first support base along axial one end, main casing is equipped with the second support base along the axial other end, first bearing is equipped between first support base and rotary shaft, second bearing is equipped between second support base and rotary shaft, end cap is close to equipped with accommodating groove, chromacoder is fixed in accommodating groove, signal transmitting apparatus is mounted on rotary shaft Second end on.The utility model balance is more preferable, is able to ascend revolving speed, service life and the medium transmission efficiency of device.
Description
Technical field
The utility model relates to a kind of air-liquids, the mixed rotary sealing appts of electricity.
Background technique
Common mixed rotary joint mainly uses field currently on the market: experiment or production monitoring equipment, wind power generation
Machine, robot, automation slewing, revolving door, engineering machinery, environmental protection equipment, turntable, military industry equipment etc..Most of conveying
Medium be sky gas and water, hydraulic oil and hot oil etc., fewer parts increases conducting slip ring on the basis of gas and liquid medium
Realize the conveying of electric signal or data-signal, and the exterior portion that conducting slip ring is largely all installed in rotary joint uses
Bolt lock is on rotary joint, and for the use temperature highest of beam conduction slip ring no more than 80 DEG C, corresponding revolution highest cannot
More than 150 revs/min.Revolute joint portion mostly uses greatly the form of axial plane elastomeric seal, using rubber sealing ring,
When the swivel design under this form is at multiple medium channels, when normal use, can generate higher friction temperature,
If the use revolution of hypertonia or rotary joint in medium is too fast, the surface temperature of rotary joint is even more directly increased
Degree, this is easy to the use for influencing electric slip ring, leads to rotary joint reduced service life, if in addition rotary joint is let out
Leakage, the liquid medium of leakage can destroy electric slip ring, cause short circuit, easily cause safety accident.
In consideration of it, the present inventor carries out in-depth study to the above problem, there is this case generation then.
Utility model content
The high air-liquid of good, long service life that the purpose of this utility model is to provide a kind of stability, running efficiency, electricity
Mixed rotary sealing appts.
In order to achieve the above object, the utility model uses such technical solution:
The mixed rotary sealing appts of a kind of air-liquid, electricity, including shell, the rotary shaft being rotatably arranged in shell, rotation
One end of shaft is the installation end for protruding into shell, and the other end is the connecting pin for stretching out shell, and it is logical to be equipped with the first liquid in rotary shaft
Road, first gas passage and the first signal transmission passage are correspondingly provided with the second liquid being connected to the first fluid passage on shell
Body channel is correspondingly provided with the second gas channel being connected to first gas passage on shell, is correspondingly provided on shell and the first letter
Number corresponding second signal transmission channel of transmission channel, the first signal transmission passage are equipped with signal transfer means, and second signal passes
Defeated channel corresponds to signal transmitting apparatus equipped with chromacoder, and shell includes the end cap of main casing and connection on a main housing,
The main casing is equipped with the first support base along axial one end, and the main casing is equipped with the second support base along the axial other end,
It is equipped with first bearing between first support base and the rotary shaft, the second axis is equipped between the second support base and the rotary shaft
It holds, the end cap is equipped with the accommodating groove being connected to second signal transmission channel close to one end of the rotary shaft, and the signal turns
Changing device is fixed in accommodating groove, and the signal transmitting apparatus correspondence is mounted on the upper of the rotary shaft.
As a kind of preferred embodiment of the utility model, the signal transmitting apparatus includes first lead and electric current conversion
Device, the chromacoder include for receiving the current sensing means of current converter signal and being connected to electric current induction dress
The second lead set, current converter are mounted in the rotary shaft by synchronization blocks, and current sensing means are solid by screw
It is scheduled on the end cap.
As a kind of preferred embodiment of the utility model, between the shell and the rotary shaft be equipped with the first sealing ring,
Second sealing ring and third sealing ring, the first gas passage and second gas channel docking location are arranged first
Between sealing ring and the second sealing ring, first fluid passage is arranged close second with second liquid channel docking location
Between seal and third sealing ring, the first sealing ring, the second sealing ring and third sealing ring be respectively positioned on the first bearing with
Between the second bearing.
After the technical solution of the utility model, front and back dual-gripper is realized by first bearing and second bearing, entirely
The balance of rotary sealing appts is more preferable, is able to ascend the revolving speed of device, and signal transmitting apparatus and chromacoder are arranged
Inside the shell, signal transmission is realized by the rotation of rotary shaft, improve the service life and medium transmission efficiency of rotating device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (flow direction of arrow expression medium in figure) of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
10- shell 11- first bearing
12- second bearing the first support base of 13-
14- the second support base 15- second gas channel
16- second liquid channel 17- second signal transmission channel
20- rotary shaft 21- first gas passage
22- second gas channel 23- second signal transmission channel
24- synchronization blocks 30- end cap
31- accommodating groove 32- screw
41- first lead 42- current converter
51- the second lead 52- current sensing means
61- the first sealing ring the second sealing ring of 62-
63- third sealing ring 70- radiating groove
Specific embodiment
In order to which the technical solution of the utility model is explained further, it is described in detail with reference to the accompanying drawing.
Referring to Figures 1 and 2, a kind of air-liquid, the mixed rotary sealing appts of electricity, including shell 10, be rotatably arranged in it is outer
Rotary shaft 20 in shell 10, when in use, rotary shaft 20 is connect with production equipment.One end of rotary shaft 20 is to protrude into shell 10
Installation end, the other end are the connecting pin for stretching out shell, be equipped in rotary shaft 20 first fluid passage 22, first gas passage 21 with
And first signal transmission passage 23, the second liquid channel 16 being connected to the first fluid passage 22 is correspondingly provided on shell 10, outside
It is correspondingly provided with the second gas channel 15 being connected to first gas passage 21 on shell 10, is correspondingly provided on shell 10 and the first signal
The corresponding second signal transmission channel 17 of transmission channel 23, the first signal transmission passage 23 are equipped with signal transfer means, the second letter
The corresponding signal transmitting apparatus of number transmission channel 17 is equipped with chromacoder.
In the utility model, shell 10 includes the end cap 30 of main casing and connection on a main housing, and main casing is cylindrical in shape, end
Lid 30 is locked in main casing along axial one end by hexagon socket head cap screw, and the main casing is equipped with first along axial one end
Support seat 13, the main casing is equipped with the second support base 14 along the axial other end, the first support base 13 and the rotary shaft 20 it
Between be equipped with first bearing 11, second bearing 12, first bearing 11 and the are equipped between the second support base 14 and the rotary shaft 20
Two bearings 12, which set up separately, realizes that the spacing of support maximizes at the both ends of main casing.The end cap 30 is close to the rotary shaft 20
One end is equipped with the accommodating groove 31 being connected to second signal transmission channel 17, and the chromacoder is fixed in accommodating groove 31,
The signal transmitting apparatus correspondence is mounted on the upper of the rotary shaft 20.The sealing device operation of the utility model is relatively reliable,
Maximum speed can reach 350 revs/min.
As a kind of preferred embodiment of the utility model, the signal transmitting apparatus includes first lead 41 and electric current conversion
Device 42, the chromacoder include for receiving the current sensing means 52 of 42 signal of current converter and being connected to electric current
The second lead 51 on sensing device 52, current converter 42 are mounted in the rotary shaft 20 by synchronization blocks 24, electric current sense
Device 52 is answered to be fixed on the end cap 30 by screw 32.Utilize the current converter 42 and current sensing means 52 of relative rotation
The technology for realizing signal transmission is the routine techniques in physical field, and current converter 42 can for example use magnet, electric current sense
Answer device 52 for example can generate rotating excitation field using induction coil, the magnet of rotation, induction coil cutting magnetic induction line generates electricity
The transmission of kinetic potential realization electric signal.It is of course also possible to use current converter 42 and current sensing means 52 realize data-signal
And the transmission of other signals.In the utility model, devised on current converter 42 electric signal conversion, data-signal conversion and
Other monitoring signals convert three parts, and the first lead 41 in rotary shaft 20 is then connected with current converter 42, electric signal,
Data-signal or monitoring signal can be corresponded to after being transmitted to the corresponding conversion portion of current converter 42 by current sensing means 52
Induction part induction, then drawn by the second lead 51 from end cap 30, and current converter 42 and current sensing means 52
On signal can mutually convert and incude.
The first sealing is equipped with as a kind of preferred embodiment of the utility model, between the shell 10 and the rotary shaft 20
The 61, second sealing ring 62 of circle and third sealing ring 63, the first gas passage 21 are docked with the second gas channel 15
Position is arranged between the first sealing ring 61 and the second sealing ring 62, first fluid passage 22 and the second liquid channel
26 docking locations be arranged between the second sealing ring 62 and third sealing ring 63, the first sealing ring 61, the second sealing ring 62 and
Third sealing ring 63 is respectively positioned between the first bearing 11 and the second bearing 12.Wherein, the first sealing ring 61 is one,
Second sealing ring 62 and third sealing ring 63 are twice, the first sealing ring 61, the second sealing ring 62 and third sealing ring 63
It, can further progress sealing between rotary shaft 20 and end cap 30 in order to realize better seal effect as primary seal.This reality
With the novel design leakage induction switching-off protective device also in current sensing means 52, internal data protection lead can be independent
Extraction is connected with computer monitor equipment, can form real time leak detection, effectively prevent caused by causing short circuit because of leakage
Safety accident.
Also multiple radiating grooves 70, current converter 42 and electric current induction dress is arranged in the lateral wall of shell 10 in the utility model
52 are set using heat-resisting material, can effectively be cooled down to circuit part and improve circuit part under high temperature environment
Service life, maximum operation (service) temperature is up to 230 DEG C.Use parameter: 1. fluid media (medium): water, hot water, air, hydraulic oil, high temperature
Oil, electric signal and data-signal etc.；2. using revolution≤350 rev/min；3. using temperature≤230 DEG C；4. using pressure≤
45Mpa。
The product form of the utility model is not limited to this case diagram and embodiment, anyone carries out similar thinking to it
Appropriate changes or modifications all should be regarded as the patent category for not departing from the utility model.
Claims (3)
1. the mixed rotary sealing appts of a kind of air-liquid, electricity, including shell, the rotary shaft being rotatably arranged in shell, rotation
One end of axis is the installation end for protruding into shell, and the other end is the connecting pin for stretching out shell, be equipped in rotary shaft the first fluid passage,
It is logical to be correspondingly provided with the second liquid being connected to the first fluid passage on shell for first gas passage and the first signal transmission passage
Road is correspondingly provided with the second gas channel being connected to first gas passage on shell, is correspondingly provided on shell and the first signal passes
The corresponding second signal transmission channel in defeated channel, the first signal transmission passage are equipped with signal transfer means, and second signal transmission is logical
Road corresponds to signal transmitting apparatus equipped with chromacoder, and shell includes the end cap of main casing and connection on a main housing, special
Sign is: the main casing is equipped with the first support base along axial one end, and the main casing is equipped with second along the axial other end
Support base is equipped with first bearing, is equipped between the second support base and the rotary shaft between the first support base and the rotary shaft
Second bearing, the end cap is equipped with the accommodating groove being connected to second signal transmission channel close to one end of the rotary shaft, described
Chromacoder is fixed in accommodating groove, and the signal transmitting apparatus correspondence is mounted on the upper of the rotary shaft.
2. a kind of air-liquid as described in claim 1, the mixed rotary sealing appts of electricity, it is characterised in that: the signal transmission dress
It sets including first lead and current converter, the chromacoder includes the electric current sense for receiving current converter signal
The second lead answering device and being connected on current sensing means, current converter are mounted on the rotary shaft by synchronization blocks
On, current sensing means are fixed by screws in the end cap.
3. the mixed rotary sealing appts of a kind of air-liquid as described in claim 1, electricity, it is characterised in that: the shell with it is described
The first sealing ring, the second sealing ring and third sealing ring, the first gas passage and described second are equipped between rotary shaft
Gas passage docking location is arranged between the first sealing ring and the second sealing ring, first fluid passage and second liquid
Body channel docking location is arranged between the second sealing ring and third sealing ring, the first sealing ring, the second sealing ring and third
Sealing ring is respectively positioned between the first bearing and the second bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821543864.8U CN209041553U (en) | 2018-09-20 | 2018-09-20 | The mixed rotary sealing appts of a kind of air-liquid, electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821543864.8U CN209041553U (en) | 2018-09-20 | 2018-09-20 | The mixed rotary sealing appts of a kind of air-liquid, electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041553U true CN209041553U (en) | 2019-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821543864.8U Active CN209041553U (en) | 2018-09-20 | 2018-09-20 | The mixed rotary sealing appts of a kind of air-liquid, electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273656A (en) * | 2019-07-12 | 2019-09-24 | 宝鸡通力鼎新专用汽车有限公司 | The conveying device of electro-hydraulic gas three types signal is inputted in composite coiled tubing simultaneously |
-
2018
- 2018-09-20 CN CN201821543864.8U patent/CN209041553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273656A (en) * | 2019-07-12 | 2019-09-24 | 宝鸡通力鼎新专用汽车有限公司 | The conveying device of electro-hydraulic gas three types signal is inputted in composite coiled tubing simultaneously |
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