CN208168882U - A kind of split type centre revolving joint - Google Patents
A kind of split type centre revolving joint Download PDFInfo
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- CN208168882U CN208168882U CN201820650034.9U CN201820650034U CN208168882U CN 208168882 U CN208168882 U CN 208168882U CN 201820650034 U CN201820650034 U CN 201820650034U CN 208168882 U CN208168882 U CN 208168882U
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Abstract
The utility model proposes a kind of split type centre revolving joints, including precursor and rear body, precursor includes preceding rotor, front stator and precursor toggle, body includes rear rotor afterwards, stator and rear body toggle afterwards, front stator and forward subactivity cooperate, front stator is connect with precursor toggle, precursor toggle is connect with the anti-twisted arm of force, stator and rear rotor activity cooperate afterwards, stator is connect with rear body toggle afterwards, preceding rotor is connect with rear rotor, precursor toggle is flexibly connected with rear body toggle, the slurry channel of preceding rotor is connected to the slurry channel of rear rotor, the slurry channel of rotor is connected to the slurry channel of rear stator afterwards, preceding rotor is equipped with rotor hydraulic channel, front stator is equipped with stator hydraulic channel, stator hydraulic channel is connected to rotor hydraulic channel.The advantages of the utility model：Reduce hydraulic channel and the mutual influence of slurry channel；Increase the reliability of hydraulic channel, swivel joint work；Improve maintenance convenience.
Description
Technical field
The utility model relates to shield machines, particularly relate to a kind of split type centre revolving joint.
Background technique
Centre revolving joint is slurry balance shield important composition component, is that the media such as mud, hydraulic oil are delivered to cutterhead
On necessary channel.Centre revolving joint is mainly made of rotor, stator, hydraulic channel, slurry channel and sealing etc., conventional
There is usually one rotor and stator, integral center swivel joint 18 as shown in Figure 1, rotors for integral center swivel joint
19 connect with cutterhead attachment base 1, and 20 tail portion of stator is connect with mud channel, and stator 20 is connect with toggle 21, toggle 21 with
The anti-twisted arm of force 2 connects, but vibration when due to mud tube installation error or operation cause the stator being connect with mud channel by
To pulling force and offset loading force backward, stator is caused to move axially rearward, and then hydraulic channel dislocation and end face seal is caused to be lost
Effect, hydraulic channel dislocation influence the normal work of hydraulic channel, and the failure of end face seal causes mud leakage to cause rear bearings, turn
In sub- stator faying face and hydraulic channel, influences hydraulic channel and work normally the global failure for also resulting in centre revolving joint.
Utility model content
The utility model proposes a kind of split type centre revolving joints, solve conventional integral centre revolving joint because of mud
Slurry pipe external force causes stator to move back the problem of causing hydraulic channel that can not work, and improves the reliability of hydraulic channel, solves
The problem of reasons such as mud channel vibration lead to section seal failure improves centre revolving joint maintenance convenience.
What the technical solution of the utility model was realized in：A kind of split type centre revolving joint, including precursor is with after
Body, precursor include preceding rotor, front stator and precursor toggle, and rear body includes rear rotor, rear stator and rear body toggle, front stator
It covers on preceding rotor, front stator and forward subactivity cooperate, and front stator is connect with precursor toggle, precursor toggle and anti-twisted power
Arm connection, rear stator sleeve is on rear rotor, and rear stator and rear rotor activity cooperate, and rear stator is connect with rear body toggle, forward
Sub to connect with rear rotor, precursor toggle is flexibly connected with rear body toggle, the mud of the slurry channel of preceding rotor and rear rotor
Channel connection, the slurry channel of rear rotor are connected to the slurry channel of rear stator, and preceding rotor is equipped with rotor hydraulic channel, preceding fixed
Son is equipped with stator hydraulic channel, and stator hydraulic channel is connected to rotor hydraulic channel.
The forward land outer diameter of the rear rotor is greater than the internal diameter of front stator.
Bearing is equipped between the rear stator and rear rotor, rear rotor is equipped with the snap ring with bearing fit, rear stator
End part seal is equipped between rear rotor.
The preceding rotor is connect with cutterhead attachment base, and the slurry channel of preceding rotor is connected to front mud tube, rear stator
Slurry channel be connected to rear portion mud tube.
The preceding rotor is connect by bolt with cutterhead attachment base, and preceding rotor is connect by Split bolt with rear rotor,
Stator is connect by bolt with rear portion mud tube afterwards.
Function of the utility model：1. front and back split type structure separates hydraulic channel and slurry channel, avoid holding
Mud leakage causes in hydraulic channel after the bad seals of face；2. rear stator due to the pulling force axial movement of mud channel or when falling off not
It will affect front stator；3. the axial movement of rear stator or while falling off, will not shadows using pattern is flexibly connected between the toggle of front and back
Ring front stator；4. the forward land outer diameter of rear rotor is greater than the internal diameter of front stator, the axis that can limit front stator is mobile；After 5.
Body maintenance/replacement does not influence the assembly relation and hydraulic channel of precursor, body assembly relation after precursor maintenance does not influence, maintenance operation
It is convenient.
The beneficial effects of the utility model：1. split type structure design allows hydraulic channel and each function of slurry channel and dress
Relatively independent with relationship, mutual influence minimizes；2. split-type design increases the reliability of hydraulic channel work；
3. split-type design reduces influence of the mud channel to hydraulic channel, the reliability of swivel joint is improved；4. split-type design mentions
High maintenance convenience.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is existing integral center swivel joint structural schematic diagram.
Fig. 2 is the utility model structure diagram.
In figure：Rotor, 5- stator are hydraulic before 1- cutterhead attachment base, the anti-twisted arm of force of 2-, the split type centre revolving joint of 3-, 4-
Body toggle, 12- mud after stator, 11- after rotor, 10- after channel, 6- front stator, 7- precursor toggle, 8- Split bolt, 9-
Starch channel, the rear portion 13- mud tube, the front 14- mud tube, 15- rotor hydraulic channel, 16- snap ring, 17- end part seal, 18- mono-
Body formula centre revolving joint, 19- rotor, 20- stator, 21- toggle.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Fig. 2, a kind of split type centre revolving joint 3, including precursor and rear body, precursor includes preceding rotor 4, preceding fixed
Son 6 and precursor toggle 7, rear body include rear rotor 9, rear stator 10 and rear body toggle 11,6 sets of front stator on preceding rotor 4,
Front stator 6 and 4 activity of preceding rotor cooperate, and front stator 6 is connect with precursor toggle 7, and precursor toggle 7 is connect with the anti-twisted arm of force 2,
Afterwards 10 sets of stator on rear rotor 9, rear stator 10 cooperates with rear 9 activity of rotor, and rear stator 10 is connect with rear body toggle 11, preceding
Rotor 4 is connect with rear rotor 9, and precursor toggle 7 is flexibly connected with rear body toggle 11, and the slurry channel 12 of preceding rotor 4 is with after
The slurry channel 12 of rotor 9 is connected to, and the slurry channel 12 of rear rotor 9 is connected to the slurry channel 12 of rear stator 10, on preceding rotor 4
Equipped with rotor hydraulic channel 15, front stator 6 is equipped with stator hydraulic channel 5, and stator hydraulic channel 5 and rotor hydraulic channel 15 connect
It is logical.
The forward land outer diameter of the rear rotor 9 is greater than the internal diameter of front stator 6.
Bearing is equipped between the rear stator 10 and rear rotor 9, rear rotor 9 is equipped with the snap ring 16 with bearing fit,
End part seal 17 is equipped between stator 10 and rear rotor 9 afterwards.
The preceding rotor 4 is connect with cutterhead attachment base 1, and the slurry channel 12 of preceding rotor 4 is connected to front mud tube 14,
The slurry channel 12 of stator 10 is connected to rear portion mud tube 13 afterwards.
The preceding rotor 4 is connect by bolt with cutterhead attachment base 1, and preceding rotor 4 passes through Split bolt 8 and rear rotor 9
Connection, rear stator 10 are connect by bolt with rear portion mud tube 13.
The utility model adds the structural shape of rear body using precursor, and precursor is connect with rear body by Split bolt, precursor packet
Preceding rotor, front stator and preceding toggle are included, rear body includes rear rotor, rear stator and rear toggle, and preceding rotor front and cutterhead connect
Joint chair connection, rear stator are connect with mud channel；The forward land outer diameter of rotor is greater than the internal diameter of front stator afterwards, before rear rotor
The rear end face of front stator is withstood in the end face of portion's boss, and the axis that can limit front stator is mobile；Preceding toggle and rear toggle it
Between using pattern is flexibly connected, only limitation front and back toggle relative rotary motion, the rotation of toggle before the anti-twisted arm of force limits；Axis
It holds and is located between rear rotor and rear stator, for reducing friction between the two, snap ring is used to carry out bearing at axial limiting, end
Portion's sealing is for the sealing between rear rotor and rear stator.
The split type structure design makes hydraulic channel and each function of slurry channel and assembly relation relatively independent, mutually it
Between influence minimize, such as：1）Split-type design increases the reliability of hydraulic channel work；2）Split-type design is reduced
Influence of the axis play to hydraulic channel caused by mud channel pulling force, improves the reliability of swivel joint；3）Split-type design
Improve maintenance convenience.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of split type centre revolving joint, it is characterised in that：Including precursor and rear body, precursor includes preceding rotor（4）, it is preceding fixed
Son（6）With precursor toggle（7）, rear body includes rear rotor（9）, rear stator（10）With rear body toggle（11）, front stator（6）Set
In preceding rotor（4）On, front stator（6）With preceding rotor（4）Activity cooperation, front stator（6）With precursor toggle（7）Connection, precursor
Toggle（7）With the anti-twisted arm of force（2）Connection, rear stator（10）It covers in rear rotor（9）On, rear stator（10）With rear rotor（9）It is living
Dynamic cooperation, rear stator（10）With rear body toggle（11）Connection, preceding rotor（4）With rear rotor（9）Connection, precursor toggle（7）
With rear body toggle（11）It is flexibly connected, preceding rotor（4）Slurry channel（12）With rear rotor（9）Slurry channel（12）Even
It is logical, rear rotor（9）Slurry channel（12）With rear stator（10）Slurry channel（12）Connection, preceding rotor（4）It is equipped with rotor
Hydraulic channel（15）, front stator（6）It is equipped with stator hydraulic channel（5）, stator hydraulic channel（5）With rotor hydraulic channel（15）
Connection.
2. split type centre revolving joint according to claim 1, it is characterised in that：The rear rotor（9）Front
Boss outer diameter is greater than front stator（6）Internal diameter.
3. split type centre revolving joint according to claim 1, it is characterised in that：The rear stator（10）With rear turn
Son（9）Between be equipped with bearing, rear rotor（9）It is equipped with the snap ring with bearing fit（16）, rear stator（10）With rear rotor（9）It
Between be equipped with end part seal（17）.
4. split type centre revolving joint according to claim 1, it is characterised in that：The preceding rotor（4）With cutterhead
Attachment base（1）Connection, preceding rotor（4）Slurry channel（12）With front mud tube（14）Connection, rear stator（10）Mud it is logical
Road（12）With rear portion mud tube（13）Connection.
5. split type centre revolving joint according to claim 4, it is characterised in that：The preceding rotor（4）Pass through spiral shell
Bolt and cutterhead attachment base（1）Connection, preceding rotor（4）Pass through Split bolt（8）With rear rotor（9）Connection, rear stator（10）Pass through
Bolt and rear portion mud tube（13）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820650034.9U CN208168882U (en) | 2018-05-03 | 2018-05-03 | A kind of split type centre revolving joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820650034.9U CN208168882U (en) | 2018-05-03 | 2018-05-03 | A kind of split type centre revolving joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208168882U true CN208168882U (en) | 2018-11-30 |
Family
ID=64368560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820650034.9U Active CN208168882U (en) | 2018-05-03 | 2018-05-03 | A kind of split type centre revolving joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208168882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253130A (en) * | 2020-09-07 | 2021-01-22 | 辽宁三三工业有限公司 | Center slewing device |
-
2018
- 2018-05-03 CN CN201820650034.9U patent/CN208168882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253130A (en) * | 2020-09-07 | 2021-01-22 | 辽宁三三工业有限公司 | Center slewing device |
| CN112253130B (en) * | 2020-09-07 | 2022-09-27 | 辽宁三三工业有限公司 | Center slewing device |
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