CN104329556B - Shield machine centre revolving joint - Google Patents
Shield machine centre revolving joint Download PDFInfo
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- CN104329556B CN104329556B CN201410481159.XA CN201410481159A CN104329556B CN 104329556 B CN104329556 B CN 104329556B CN 201410481159 A CN201410481159 A CN 201410481159A CN 104329556 B CN104329556 B CN 104329556B
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- revolving body
- foam solution
- hub
- seal groove
- central shaft
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Abstract
Shield machine centre revolving joint relates to a kind of swivel coupling connecting shield machine anterior shield and cutterhead.Design principally for solving the problems such as existing shield machine centre revolving joint intermediate seal is bad.It includes the revolving body front and back ends by Flange joint；Revolving body front end includes central shaft; rocking arm is arranged on the front end of central shaft; seals wheel rim and is sleeved on the front portion of central shaft; have sealing ring in the seal groove on the internal ring of sealing wheel rim and outer shroud; the hub outside central shaft and anterior shield are fixed; the lubricating oil inlet on hub is connected with the cannelure on hub inwall, and grease channel has opening at corresponding cannelure place, and there is moment of torsion flange hub rear end；The outer casing inner wall of revolving body rear end has seal groove and circular passage, having sealing ring in seal groove, have foam solution passage in revolving body back-end central axle, the foam solution import on shell is connected with circular passage, foam solution passage has opening at corresponding circular passage place, and case nose sets copper packing.Advantage is that intermediate seal is good.
Description
Technical field:
The present invention relates to swivel coupling that apply on a kind of shield machine, that connect shield machine anterior shield and cutterhead.
Background technology:
The centre revolving joint two ends bearings of existing connection shield machine anterior shield and cutterhead, intermediate seal, it is disadvantageous in that difficulty of processing is big, if intermediate seal leakage has water to flow into bearing place can cause bearing stuck phenomenon, causes that centre revolving joint stops the rotation.Additionally mounted bearing needs certain space, increases the size of centre revolving joint, and installing space is restricted.
Summary of the invention:
The technical problem to be solved is to provide a kind of processing and installs easily, and intermediate seal not easily leaks, the shield machine centre revolving joint that installing space is little.
Above-mentioned purpose is achieved in that it is made up of revolving body front end and revolving body rear end, and revolving body front end and revolving body rear end are linked together by adpting flange；
Described revolving body front end includes central shaft, rocking arm is arranged on the front end of central shaft by fastening bolt, rocking arm is connected with the cutter head center of shield machine, the wheel rim that seals of annular is sleeved on the front portion of central shaft, the wheel rim that seals of annular is connected with the anterior shield of shield machine by bolt, the internal ring of ring packing wheel rim and outer shroud all have the seal groove of some roads annular, it is equipped with sealing ring in per pass seal groove, the sealing ring being wherein contained in the seal groove on ring packing wheel rim outer shroud contacts with the cutter head center of shield machine, the sealing ring being contained in the seal groove on ring packing wheel rim internal ring contacts with central shaft, it is positioned at the central shaft outer cover at ring packing wheel rim rear equipped with hub, hub is connected fixing with the anterior shield of shield machine, the inwall of hub has the cannelure that some roads pass through for lubricating oil, several foam solution passages and several grease channels it are provided with in central shaft, each lubricating oil inlet on hub is connected with each cannelure on hub inwall respectively, each grease channel in central shaft has opening at each cannelure place of corresponding hub inwall, lubricating oil enters into after in the cannelure on hub inwall from the lubricating oil inlet hub, enter back in grease channel, lubricating oil flows out from the other end of grease channel, the rear end of hub is equipped with moment of torsion flange, moment of torsion flange also is provided with seal groove, seal groove is built with sealing ring；
Described revolving body rear end includes shell, revolving body back-end central axle sets in the enclosure, outer casing inner wall has seal groove and the circular passage, some roads of some roads annular, one ring packing ring recess is set between every twice circular passage, it is designed with sealing ring in per pass seal groove, sealing ring contacts with revolving body back-end central axle, some roads foam solution passage it is provided with in revolving body back-end central axle, described some roads foam solution passage setting corresponding with the foam solution passage in revolving body front end center axle, after revolving body front end and revolving body rear end link together, each foam solution passage in revolving body back-end central axle is connected with each foam solution passage in revolving body front end center axle, shell is provided with several foam solution imports, each foam solution import on shell is connected with each circular passage on outer casing inner wall respectively, the each foam solution passage in revolving body back-end central axle each circular passage place on corresponding outer casing inner wall has opening, foam solution enters into after in the cannelure on outer casing inner wall from the foam solution import shell, enter back in foam solution passage, then flow out from the other end of foam solution passage, the front end of shell is provided with copper packing.
The invention have the advantage that processing and install easily, owing to the internal ring of ring packing wheel rim and outer shroud all having some roads seal groove, it is equipped with sealing ring in per pass seal groove, the inwall of hub has some roads cannelure, foam solution passage and grease channel is had in revolving body front end center axle, each lubricating oil inlet on hub is connected with each cannelure on hub inwall respectively, the each grease channel in central shaft each cannelure place on corresponding hub inwall has opening, lubricating oil enters into after in the cannelure on hub inwall from the lubricating oil inlet hub, enter back in grease channel, then flow out from the grease channel other end；Revolving body rear end outer casing inner wall has seal groove and the circular passage of annular, foam solution passage is had in revolving body back-end central axle, each foam solution import on shell is connected with each cannelure on outer casing inner wall respectively, each foam solution passage in revolving body back-end central axle has opening at each cannelure place of corresponding outer casing inner wall, foam solution enters into after in the circular passage of outer casing inner wall from the foam solution import shell, enter back in foam solution passage, flow out from the foam solution passage in revolving body front end, so intermediate seal is good, not easily leak, additionally it is without bearings, so installing space is little.
Accompanying drawing illustrates:
Accompanying drawing is the structural representation of the present invention, and in figure, 19 is the cutter head center of shield machine, and 20 is the anterior shield of shield machine.
Detailed description of the invention:
With reference to accompanying drawing, it is made up of revolving body front end and revolving body rear end, and revolving body front end and revolving body rear end are linked together by adpting flange 1；
Described revolving body front end includes central shaft 2, rocking arm 3 is arranged on the front end of central shaft by fastening bolt, rocking arm is connected with the cutter head center of shield machine, the wheel rim 4 that seals of annular is sleeved on the front portion of central shaft, the wheel rim that seals of annular is connected with the anterior shield of shield machine by bolt, the internal ring of ring packing wheel rim and outer shroud all have the seal groove of some roads annular, sealing ring 5 it is equipped with in per pass seal groove, the sealing ring being wherein contained in the seal groove on ring packing wheel rim outer shroud contacts with the cutter head center of shield machine, the sealing ring being contained in the seal groove on ring packing wheel rim internal ring contacts with central shaft, it is positioned at the central shaft outer cover at ring packing wheel rim rear equipped with hub 6, hub is connected fixing with the anterior shield of shield machine, the inwall of hub has the cannelure 7 that some roads pass through for lubricating oil, several foam solution passage 8 and several grease channels 9 it are provided with in central shaft, each lubricating oil inlet 10 on hub is connected with each cannelure on hub inwall respectively, each grease channel in central shaft has opening 11 at each cannelure place of corresponding hub inwall, lubricating oil enters into after in the cannelure on hub inwall from the lubricating oil inlet hub, enter back in grease channel, lubricating oil flows out from the other end of grease channel, the rear end of hub is equipped with moment of torsion flange 12, moment of torsion flange also is provided with seal groove, seal groove is built with sealing ring；
Described revolving body rear end includes shell 13, revolving body back-end central axle 14 sets in the enclosure, outer casing inner wall has seal groove 16 and the circular passage, some roads 15 of some roads annular, one ring packing ring recess is set between every twice circular passage, it is designed with sealing ring in per pass seal groove, sealing ring contacts with revolving body back-end central axle, some roads foam solution passage 8 it is provided with in revolving body back-end central axle, described some roads foam solution passage setting corresponding with the foam solution passage in revolving body front end center axle, after revolving body front end and revolving body rear end link together, each foam solution passage in revolving body back-end central axle is connected with each foam solution passage in revolving body front end center axle, shell is provided with several foam solution imports 17, each foam solution import on shell is connected with each circular passage on outer casing inner wall respectively, the each foam solution passage in revolving body back-end central axle each circular passage place on corresponding outer casing inner wall has opening, foam solution enters into after in the cannelure on outer casing inner wall from the foam solution import shell, enter back in foam solution passage, then flow out from the other end of foam solution passage, the front end of shell is provided with copper packing 18.
Claims (1)
1. shield machine centre revolving joint, is made up of revolving body front end and revolving body rear end, and revolving body front end and revolving body rear end are linked together by adpting flange (1)；It is characterized in that: described revolving body front end includes central shaft (2), rocking arm (3) is arranged on the front end of central shaft by fastening bolt, rocking arm is connected with the cutter head center of shield machine, the sealing wheel rim (4) of annular is sleeved on the front portion of central shaft, the wheel rim that seals of annular is connected with the anterior shield of shield machine by bolt, the internal ring of ring packing wheel rim and outer shroud all have the seal groove of some roads annular, sealing ring (5) it is equipped with in per pass seal groove, the sealing ring being wherein contained in the seal groove on ring packing wheel rim outer shroud contacts with the cutter head center of shield machine, the sealing ring being contained in the seal groove on ring packing wheel rim internal ring contacts with central shaft, it is positioned at the central shaft outer cover at ring packing wheel rim rear equipped with hub (6), hub is connected fixing with the anterior shield of shield machine, the inwall of hub has the cannelure (7) that some roads pass through for lubricating oil, several foam solution passages (8) and several grease channels (9) it is provided with in central shaft, each lubricating oil inlet (10) on hub is connected with each cannelure on hub inwall respectively, each grease channel in central shaft has opening (11) at each cannelure place of corresponding hub inwall, the rear end of hub is equipped with moment of torsion flange (12), moment of torsion flange also is provided with seal groove, seal groove is built with sealing ring；
Described revolving body rear end includes shell (13), revolving body back-end central axle (14) sets in the enclosure, outer casing inner wall has seal groove (16) and the circular passage, some roads (15) of some roads annular, one ring packing ring recess is set between every twice circular passage, it is designed with sealing ring in per pass seal groove, sealing ring contacts with revolving body back-end central axle, some roads foam solution passage (8) it are provided with in revolving body back-end central axle, described some roads foam solution passage setting corresponding with the foam solution passage in revolving body front end center axle, after revolving body front end and revolving body rear end link together, each foam solution passage in revolving body back-end central axle is connected with each foam solution passage in revolving body front end center axle, shell is provided with several foam solution imports (17), each foam solution import on shell is connected with each circular passage on outer casing inner wall respectively, the each foam solution passage in revolving body back-end central axle each circular passage place on corresponding outer casing inner wall has opening, the front end of shell is provided with copper packing (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410481159.XA CN104329556B (en) | 2014-09-20 | 2014-09-20 | Shield machine centre revolving joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410481159.XA CN104329556B (en) | 2014-09-20 | 2014-09-20 | Shield machine centre revolving joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104329556A CN104329556A (en) | 2015-02-04 |
| CN104329556B true CN104329556B (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410481159.XA Active CN104329556B (en) | 2014-09-20 | 2014-09-20 | Shield machine centre revolving joint |
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| Country | Link |
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| CN (1) | CN104329556B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221154B (en) * | 2015-09-30 | 2018-06-29 | 中铁工程装备集团有限公司 | Shield machine swivel joint |
| CN105782621B (en) * | 2016-04-29 | 2017-10-27 | 中铁工程装备集团有限公司 | A kind of shield machine centre revolving joint floating junction device |
| CN106704748A (en) * | 2016-12-30 | 2017-05-24 | 中船重型装备有限公司 | Shield tunneling machine centre revolving joint |
| CN108626562B (en) * | 2018-05-31 | 2024-04-26 | 辽宁三三工业有限公司 | Center rotary joint of main driving frame of shield machine |
| CN109681709A (en) * | 2018-12-14 | 2019-04-26 | 中船重型装备有限公司 | A kind of shield machine flexible conduit centre revolving joint |
| CN109681218B (en) * | 2018-12-14 | 2020-10-30 | 中船重型装备有限公司 | Novel central revolving body of shield tunneling machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2230241A5 (en) * | 1973-05-14 | 1974-12-13 | Sigma Diesel | Rotating joint for lathe turret - has series of annular lubricating oil grooves in rotating sleeve |
| CN202302483U (en) * | 2011-10-21 | 2012-07-04 | 江阴市长龄机械制造有限公司 | Rotating joint capable of effectively maintaining pressure |
| CN202690064U (en) * | 2012-06-29 | 2013-01-23 | 南车资阳机车有限公司 | Center rotating joint of shield machine |
| CN103062560A (en) * | 2011-10-21 | 2013-04-24 | 江阴市长龄机械制造有限公司 | Hydraulic slewing connector with large slewing angle |
| CN204083753U (en) * | 2014-09-20 | 2015-01-07 | 辽宁三三工业有限公司 | Shield machine centre revolving joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100877580B1 (en) * | 2008-01-03 | 2009-01-07 | 주식회사 동아지질 | Eexperiment of grout stability for shield method |
-
2014
- 2014-09-20 CN CN201410481159.XA patent/CN104329556B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2230241A5 (en) * | 1973-05-14 | 1974-12-13 | Sigma Diesel | Rotating joint for lathe turret - has series of annular lubricating oil grooves in rotating sleeve |
| CN202302483U (en) * | 2011-10-21 | 2012-07-04 | 江阴市长龄机械制造有限公司 | Rotating joint capable of effectively maintaining pressure |
| CN103062560A (en) * | 2011-10-21 | 2013-04-24 | 江阴市长龄机械制造有限公司 | Hydraulic slewing connector with large slewing angle |
| CN202690064U (en) * | 2012-06-29 | 2013-01-23 | 南车资阳机车有限公司 | Center rotating joint of shield machine |
| CN204083753U (en) * | 2014-09-20 | 2015-01-07 | 辽宁三三工业有限公司 | Shield machine centre revolving joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104329556A (en) | 2015-02-04 |
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