CN208041395U - A kind of high pressure low speed rotation connector - Google Patents
A kind of high pressure low speed rotation connector Download PDFInfo
- Publication number
- CN208041395U CN208041395U CN201820393999.4U CN201820393999U CN208041395U CN 208041395 U CN208041395 U CN 208041395U CN 201820393999 U CN201820393999 U CN 201820393999U CN 208041395 U CN208041395 U CN 208041395U
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- CN
- China
- Prior art keywords
- rotary shaft
- high pressure
- low speed
- pressure low
- speed rotation
- 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 - Fee Related
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Abstract
The utility model discloses a kind of high pressure low speed rotation connectors can be drained the oil leak automatic back flow of oil inlet by the setting of check valve, round return flow line and interior reflux line, be timely entered fuel tank and be lubricated to rotating seal ring.The utility model high pressure low speed rotation connector, high pressure low speed rotation connector includes from top to bottom rotary shaft, fixing sleeve and rear cover successively, and upper bearing (metal), at least one rotating seal ring, check valve and the lower bearing being arranged on the rotary shaft are from top to bottom disposed in fixing sleeve;Upper and lower two and the hydraulic fluid port that connect of oil transportation channel up and down in rotary shaft are provided on fixing sleeve;After cover and be provided with round return flow line, connection oil duct is additionally provided among round return flow line, connection oil duct is connected to by the check valve with lower oil transportation channel, round return flow line is connected and fixed in set with lower bearing and is provided with interior reflux line, one end of interior reflux line is connect with rotary shaft peripheral surface, and the other end is connect by lower bearing with round return flow line.
Description
Technical field
The utility model is related to machinery field more particularly to a kind of high pressure low speed rotation connectors.
Background technology
Rotary joint is a kind of mechanically-sealing apparatus of rotation, it is for fixed pipeline and rotating drum conveying and to exclude
Heat-conduction medium.Heat-conduction medium using rotary joint includes steam, water, conduction oil, hydraulic oil and coolant liquid.
The advantages of due to hydraulic drive relative to Electrified Transmission and machine driving, hydraulic drive is in every profession and trade using more next
More extensive, the application of extra-lnigh tension rotary joint is gradually extensive.Chicksan will have Leakage Energy, existing
Have in technology, it is general using workshop is first flow back to, it is then handled in such a way that workshop pipeline flows back fuel tank again, this place
The structure of reason mode is simple, but needs to flow back by pipeline, cannot timely enter fuel tank, can cause oil sealing may be because of scarce
Oil and damage.
Therefore, for the above situation, the structure of existing chicksan how is improved, so as to solve above-mentioned ask
Topic, becomes those skilled in the art's important technological problems urgently to be resolved hurrily.
Utility model content
The utility model discloses a kind of high pressure low speed rotation connectors, pass through check valve, round return flow line and interior reflux
The oil leak automatic back flow of oil inlet can be drained, timely enter fuel tank and be lubricated to rotating seal ring by the setting of pipeline.
High pressure low speed rotation connector provided by the utility model is placed high pressure low speed rotation connector, wherein rear cover vertically
Positioned at bottom, rotary shaft is located at top;
The high pressure low speed rotation connector is described from top to bottom successively including the rotary shaft, fixing sleeve and the rear cover
The upper bearing (metal) being set in the rotary shaft, at least one rotating seal ring, unidirectional is from top to bottom disposed in fixing sleeve
Valve and lower bearing;
Upper and lower two and the hydraulic fluid port that connect of oil transportation channel up and down in the rotary shaft are provided on the fixing sleeve;
The check valve and the lower bearing are arranged at the rotation shaft end, wherein the check valve is arranged described
Rotary shaft terminus inner is simultaneously connected with the lower oil transportation channel of the rotary shaft, and the lower bearing sleeve is located at the rotary shaft peripheral surface
On;
It is covered after described and is provided with round return flow line, connection oil duct, institute are additionally provided among the circle return flow line
It states connection oil duct to be connected to the lower oil transportation channel by the check valve, the circle return flow line connects with the lower bearing
It connects;
Interior reflux line is provided in the fixing sleeve, one end of the interior reflux line connects with the rotary shaft peripheral surface
It connects, the other end is connect by the lower bearing with the round return flow line.
Preferably,
The interior reflux line is T-type structure, and wherein one end of the transverse part of T-type structure connects with the rotary shaft peripheral surface
It connects, the other end is connected to the fixing sleeve peripheral surface and is sealed by seal member.
Preferably,
The seal member is the screw for being arranged with sealing ring.
Preferably,
The upper bearing (metal) is single ball bearing;
The lower bearing is double ball bearing.
Preferably,
The high pressure low speed rotation connector includes five rotating seal rings;
Five rotating seal rings are arranged between the upper bearing (metal) and the lower bearing.
High pressure low speed rotation connector provided by the utility model is placed high pressure low speed rotation connector, wherein rear cover vertically
Positioned at bottom, rotary shaft is located at top;The high pressure low speed rotation connector includes from top to bottom the rotary shaft, fixing sleeve successively
With the rear cover, the upper bearing (metal) being set in the rotary shaft, at least one is from top to bottom disposed in the fixing sleeve
Rotating seal ring, check valve and lower bearing;Upper and lower two are provided on the fixing sleeve with upper and lower oil transportation in the rotary shaft to lead to
The hydraulic fluid port of road connection;The check valve and the lower bearing are arranged at the rotation shaft end, wherein the check valve is arranged
It is connected in the rotary shaft terminus inner and with the lower oil transportation channel of the rotary shaft, the lower bearing sleeve is located at the rotary shaft
On peripheral surface;It is covered after described and is provided with round return flow line, connection oil duct, institute are additionally provided among the circle return flow line
It states connection oil duct to be connected to the lower oil transportation channel by the check valve, the circle return flow line connects with the lower bearing
It connects;Interior reflux line is provided in the fixing sleeve, one end of the interior reflux line is connect with the rotary shaft peripheral surface, separately
One end is connect by the lower bearing with the round return flow line.Pass through check valve, round return flow line and interior reflux line
Setting, the high pressure low speed rotation connector of the utility model can drain the oil leak automatic back flow of oil inlet, timely enter oil
Case is lubricated rotating seal ring.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model high pressure low speed rotation plug embodiments.
Specific implementation mode
The utility model discloses a kind of high pressure low speed rotation connectors, pass through check valve, round return flow line and interior reflux
The oil leak automatic back flow of oil inlet can be drained, timely enter fuel tank and be lubricated to rotating seal ring by the setting of pipeline.
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu and detailed description, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all real
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.Referring to Fig. 1, being provided by the utility model
High pressure low speed rotation connector places high pressure low speed rotation connector vertically, and wherein rear cover 3 is located at bottom, and rotary shaft 1 is located at top
Portion;
The high pressure low speed rotation connector includes from top to bottom the rotary shaft 1, fixing sleeve 2 and the rear cover 3, institute successively
It states and is from top to bottom disposed with the upper bearing (metal) 4 being set in the rotary shaft 1, at least one rotating seal ring in fixing sleeve 2
5, check valve 6 and lower bearing 7;
Upper and lower two and the hydraulic fluid port 21 that connect of oil transportation channel up and down in the rotary shaft 1 are provided on the fixing sleeve 2;
The check valve 6 and the lower bearing 7 are arranged at 1 end of the rotary shaft, wherein the setting of the check valve 6 exists
1 terminus inner of the rotary shaft is simultaneously connected with the lower oil transportation channel 11 of the rotary shaft 1, and the lower bearing 7 is set in the rotation
On 1 peripheral surface of shaft;
It is provided with round return flow line 31 on the rear cover 3, connection oil is additionally provided among the circle return flow line 31
Road 32, the connection oil duct 32 are connected to by the check valve 6 with the lower oil transportation channel 11, the circle return flow line 31 with
The lower bearing 7 connects;
Be provided with interior reflux line 22 in the fixing sleeve 2, one end of the interior reflux line 22 with outside the rotary shaft 1
Circumferential surface connects, and the other end is connect by the lower bearing 7 with the round return flow line 31.
In the present invention, hydraulic fluid port 21 connects external oil pipeline, and oil enters defeated up and down in rotary shaft 1 by hydraulic fluid port 21
Oily channel can be drained after the oily spill-over of oil transportation channel up and down in rotary shaft 1 by check valve 6, then be flowed back by circle
Channel 31 carries out being back to 1 peripheral surface of rotary shaft, is lubricated to rotating seal ring 5 and upper bearing (metal) 4, in addition, round reflux is logical
Oil in road 31 can also be lubricated lower bearing 7 structure design that this oil leaks of can drain automatically, not only structure letter
It is single, it is easy to use, and drain tap need not be set.
Preferably,
The interior reflux line 22 is T-type structure, wherein one end of the transverse part of T-type structure and 1 peripheral surface of the rotary shaft
Connection, the other end are connected to 2 peripheral surface of the fixing sleeve and are sealed by seal member 8.
Preferably,
The seal member 8 is the screw for being arranged with sealing ring.
Preferably,
The upper bearing (metal) 4 is single ball bearing;
The lower bearing 7 is double ball bearing.
Preferably,
The high pressure low speed rotation connector includes five rotating seal rings 5;
Five rotating seal rings 5 are arranged between the upper bearing (metal) 4 and the lower bearing 7.
High pressure low speed rotation connector provided by the utility model is placed high pressure low speed rotation connector, wherein rear cover 3 vertically
Positioned at bottom, rotary shaft 1 is located at top;The high pressure low speed rotation connector includes from top to bottom the rotary shaft 1 successively, fixes
The set 2 and rear cover 3 is from top to bottom disposed with the upper bearing (metal) 4 being set in the rotary shaft 1, extremely in the fixing sleeve 2
A few rotating seal ring 5, check valve 6 and lower bearing 7;Two and the rotary shaft 1 up and down are provided on the fixing sleeve 2
The hydraulic fluid port 21 of the interior connection of oil transportation channel up and down;The check valve 6 and the lower bearing 7 are arranged at 1 end of the rotary shaft,
Described in check valve 6 be arranged in 1 terminus inner of the rotary shaft and be connected with the lower oil transportation channel 11 of the rotary shaft 1, it is described
Lower bearing 7 is set on 1 peripheral surface of the rotary shaft;Round return flow line 31, the round reflux are provided on the rear cover 3
Connection oil duct 32 is additionally provided among channel 31, the connection oil duct 32 passes through the check valve 6 and the lower oil transportation channel 11
Connection, the circle return flow line 31 are connect with the lower bearing 7;Interior reflux line 22 is provided in the fixing sleeve 2, it is described
One end of interior reflux line 22 is connect with 1 peripheral surface of the rotary shaft, and the other end passes through the lower bearing 7 and the round reflux
Channel 31 connects.By the setting of check valve 6, round return flow line 31 and interior reflux line 22, the height of the utility model forces down
Fast rotary joint can drain the oil leak automatic back flow of oil inlet, timely enter fuel tank to rotating seal ring 5, upper bearing (metal) 4 and
Lower bearing 7 is lubricated.
High pressure low speed rotation connector provided by the utility model is described in detail above, for the one of this field
As technical staff have change in specific embodiments and applications based on the idea of the embodiment of the present invention
Place, in conclusion the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. a kind of high pressure low speed rotation connector, which is characterized in that place high pressure low speed rotation connector vertically, wherein rear cover is located at
Bottom, rotary shaft are located at top;
The high pressure low speed rotation connector includes from top to bottom the rotary shaft, fixing sleeve and the rear cover, the fixation successively
Set in be from top to bottom disposed with the upper bearing (metal) being set in the rotary shaft, at least one rotating seal ring, check valve and
Lower bearing;
Upper and lower two and the hydraulic fluid port that connect of oil transportation channel up and down in the rotary shaft are provided on the fixing sleeve;
The check valve and the lower bearing are arranged at the rotation shaft end, wherein the check valve is arranged in the rotation
It is connected inside shaft end and with the lower oil transportation channel of the rotary shaft, the lower bearing sleeve is located on the rotary shaft peripheral surface;
It is covered after described and is provided with round return flow line, connection oil duct, the company are additionally provided among the circle return flow line
It connects oil duct to be connected to the lower oil transportation channel by the check valve, the circle return flow line is connect with the lower bearing;
Interior reflux line is provided in the fixing sleeve, one end of the interior reflux line is connect with the rotary shaft peripheral surface,
The other end is connect by the lower bearing with the round return flow line.
2. high pressure low speed rotation connector according to claim 1, which is characterized in that the interior reflux line is T-type structure,
Wherein one end of the transverse part of T-type structure is connect with the rotary shaft peripheral surface, and the other end is connected to the fixing sleeve peripheral surface simultaneously
It is sealed by seal member.
3. high pressure low speed rotation connector according to claim 2, which is characterized in that the seal member is to be arranged with sealing
The screw of circle.
4. high pressure low speed rotation connector according to any one of claim 1 to 3, which is characterized in that the upper bearing (metal) is
Single ball bearing;
The lower bearing is double ball bearing.
5. high pressure low speed rotation connector according to any one of claim 1 to 3, which is characterized in that the high pressure low speed
Rotary joint includes five rotating seal rings;
Five rotating seal rings are arranged between the upper bearing (metal) and the lower bearing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820393999.4U CN208041395U (en) | 2018-03-22 | 2018-03-22 | A kind of high pressure low speed rotation connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820393999.4U CN208041395U (en) | 2018-03-22 | 2018-03-22 | A kind of high pressure low speed rotation connector |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208041395U true CN208041395U (en) | 2018-11-02 |
Family
ID=63948335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820393999.4U Expired - Fee Related CN208041395U (en) | 2018-03-22 | 2018-03-22 | A kind of high pressure low speed rotation connector |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208041395U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110497534A (en) * | 2019-08-31 | 2019-11-26 | 中铁工程装备集团有限公司 | A kind of ultra-high pressure water fluid jet auxiliary rock rotary joint |
-
2018
- 2018-03-22 CN CN201820393999.4U patent/CN208041395U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110497534A (en) * | 2019-08-31 | 2019-11-26 | 中铁工程装备集团有限公司 | A kind of ultra-high pressure water fluid jet auxiliary rock rotary joint |
CN110497534B (en) * | 2019-08-31 | 2022-02-08 | 中铁工程装备集团有限公司 | Rotary joint for ultrahigh-pressure water jet auxiliary rock breaking |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20210322 |