CN109779645B - Novel connection type central revolving body with high coaxiality tolerance - Google Patents
Novel connection type central revolving body with high coaxiality tolerance Download PDFInfo
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- CN109779645B CN109779645B CN201910134336.XA CN201910134336A CN109779645B CN 109779645 B CN109779645 B CN 109779645B CN 201910134336 A CN201910134336 A CN 201910134336A CN 109779645 B CN109779645 B CN 109779645B
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- outer cylinder
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- shaft
- revolving body
- rotation stopping
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Abstract
The invention discloses a novel connection type central revolving body with high coaxiality tolerance, which comprises a rotary outer barrel, a sealing sleeve, a transition shaft, a front revolving body, a rear revolving body and a detection device; the rotary outer cylinder is connected with the cutterhead, and a rotation stopping clamping block is arranged inside the rotary outer cylinder; the front end of the transition shaft is provided with a rotation stopping groove, the rotation stopping groove is connected with a rotation stopping clamping block, and a medium channel is arranged in the transition shaft; the novel rotary type shield is characterized in that the sealing sleeve is fixed on the shield body structure through bolts, the outer side of the sealing sleeve is connected with the rotary outer cylinder, the inner side of the sealing sleeve is connected with the transition shaft, the front rotary body comprises a first outer cylinder and a first rotary shaft, the rear rotary body comprises a second outer cylinder and a second rotary shaft, the detection device comprises a rotary encoder and a coupler, and the rotary encoder is connected with the second rotary shaft through the coupler. The center revolving body can reduce the machining precision of structures such as a cutter head, a shield body and the like by adopting the connection mode of the rotation stopping clamping block and the rotation stopping groove.
Description
Technical Field
The invention relates to the technical field of shield machines, in particular to a novel connection type central revolving body with high coaxiality tolerance.
Background
When the existing shield machine central revolving body outer cylinder is fixed on the shield body, if a rotating shaft is fixed on a cutter head, the machining precision requirements on the positions of the cutter head and the shield body mounting central revolving body are higher, and if the coaxiality machining of the cutter head and the shield body is out of tolerance, the shield machine central revolving body outer cylinder cannot be mounted; pipelines of hydraulic oil channels, foam channels and other media with different pressure grades in the rotary body are arranged in an outer cylinder and a rotary shaft, so that the sealing is easy to fail, and inconvenience is brought to maintenance; and the revolving speed and the position of the cutterhead cannot be detected through the revolving body.
Disclosure of Invention
The invention aims to provide a novel connection type central revolving body which has good machining and installation coaxiality tolerance and high coaxiality tolerance and has zero position detection and rotation speed detection and medium classification arrangement.
In order to solve the technical problems, the invention provides a novel connection type central revolving body with high coaxiality tolerance, which comprises a rotary outer cylinder, a sealing sleeve, a transition shaft, a front revolving body, a rear revolving body and a detection device;
the rotary outer cylinder is connected with the cutterhead, and a rotation stopping clamping block is arranged inside the rotary outer cylinder;
the front end of the transition shaft is provided with a rotation stopping groove, the rotation stopping groove is connected with a rotation stopping clamping block, and a medium channel is arranged in the transition shaft;
the sealing sleeve is fixed on the shield body structure through a bolt, the outer side of the sealing sleeve is connected with the rotary outer cylinder, and the inner side of the sealing sleeve is connected with the transition shaft;
the front revolving body comprises a first outer cylinder and a first rotating shaft, the first outer cylinder is sleeved outside the first rotating shaft, and the first rotating shaft is fixedly connected with the transition shaft;
the rear revolving body comprises a second outer cylinder and a second rotating shaft, the second outer cylinder is connected with the first outer cylinder through a torque arm, and the second rotating shaft is fixedly connected with the first rotating shaft;
a first medium channel is arranged in the first rotating shaft and the transition shaft, and a first medium inlet communicated with the first medium channel is formed in the first outer cylinder; the second rotary shaft, the first rotary shaft and the transition shaft are internally provided with second medium channels which are mutually communicated, and the second outer cylinder is provided with a second medium inlet which is communicated with the second medium channels;
the detection device comprises a rotary encoder and a coupler, and the rotary encoder is connected with the second rotary shaft through the coupler.
Preferably, one end of the rotary outer cylinder is provided with a maintenance end cover.
As an optimal scheme, the rotation stopping clamping blocks are provided with a plurality of rotation stopping clamping blocks.
Preferably, a plurality of sealing rings are arranged between the sealing sleeve and the transition shaft.
As an optimal scheme, a grease groove is arranged between the sealing rings, and a grease channel is connected to the grease groove.
Preferably, the front revolving body and the rear revolving body are provided with bearings.
The invention provides a novel connection type central revolving body with high coaxiality tolerance, which has the following beneficial effects:
the novel connection mode of the rotation stopping clamping blocks and the rotation stopping grooves on the central revolving body transition shaft and the rotary outer barrel can reduce the machining precision of structures such as a cutter head, a shield body and the like, has high coaxiality tolerance, and is convenient to machine, assemble and assemble; the front revolving body conveys grease to the appointed position of the front end sealing sleeve through the grease pipeline, so that the sealing safety is ensured; the central revolving body is divided into a front revolving body and a rear revolving body, so that the medium classification is more beneficial to sealing and selecting, the communication of high-pressure medium channels and low-pressure medium channels is avoided, and the maintenance is convenient; the detection device arranged at the tail end of the central revolving body can effectively detect the revolving position and the revolving speed of the cutterhead and monitor the state of the cutterhead in real time.
Drawings
Fig. 1 is a schematic diagram of a new connection type center rotator with high coaxiality tolerance according to an embodiment of the present invention.
Reference numerals: 1. rotating the outer cylinder; 2. sealing sleeve; 3. a transition shaft; 4. a first outer cylinder; 5. a first rotation shaft; 6. a second outer cylinder; 7. a second rotation shaft; 8. rotating the encoding and decoding; 9. a rotation stopping clamping block; 10. a rotation stopping groove; 11. a coupling; 12. and (5) maintaining the end cover.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a center rotator of a new connection type with high coaxiality tolerance according to a preferred embodiment of the present invention includes a rotating outer cylinder 1, a sealing sleeve 2, a transition shaft 3, a front rotator, a rear rotator and a detection device;
the rotary outer cylinder 1 is connected with a cutter head, and a rotation stopping clamping block 9 is arranged in the rotary outer cylinder 1;
the front end of the transition shaft 3 is provided with a rotation stopping groove 10, the rotation stopping groove 10 is connected with a rotation stopping clamping block 9, and a medium channel is arranged in the transition shaft 3;
the sealing sleeve 2 is fixed on the shield body structure through bolts, the outer side of the sealing sleeve 2 is connected with the rotary outer cylinder 1, and the inner side of the sealing sleeve 2 is connected with the transition shaft 3;
the front revolving body comprises a first outer cylinder 4 and a first rotating shaft 5, the first outer cylinder 4 is sleeved outside the first rotating shaft 5, and the first rotating shaft 5 is fixedly connected with the transition shaft 3;
the rear revolving body comprises a second outer cylinder 6 and a second rotating shaft 7, the second outer cylinder 6 is connected with the first outer cylinder 4 through a torque arm, and the second rotating shaft 7 is fixedly connected with the first rotating shaft 5;
a first medium channel is arranged in the first rotating shaft 5 and the transition shaft 3, and a first medium inlet communicated with the first medium channel is formed in the first outer cylinder 4; the second rotary shaft 7, the first rotary shaft 5 and the transition shaft 3 are internally provided with second medium channels which are mutually communicated, and the second outer cylinder 6 is provided with a second medium inlet which is communicated with the second medium channels;
the detection device comprises a rotary encoder 8 and a coupling 11, wherein the rotary encoder 8 is connected with the second rotary shaft 7 through the coupling 11.
The novel connection mode of the rotation stopping clamping block 9 and the rotation stopping groove 10 on the central revolving body transition shaft 3 and the rotary outer barrel 1 can reduce the machining precision of structures such as a cutter head, a shield body and the like, has high coaxiality tolerance, and is convenient to machine, assemble and assemble; the front revolving body conveys grease to the appointed position of the front end sealing sleeve 2 through a grease pipeline, so that the sealing safety is ensured; the central revolving body is divided into a front revolving body and a rear revolving body, so that the medium classification is more beneficial to sealing and selecting, the communication of high-pressure medium channels and low-pressure medium channels is avoided, and the maintenance is convenient; the detection device arranged at the tail end of the central revolving body can effectively detect the revolving position and the revolving speed of the cutterhead and monitor the state of the cutterhead in real time.
Preferably, a maintenance end cover 12 is arranged at one end of the rotary outer cylinder 1.
Preferably, the rotation stopping clamping blocks 9 are provided with a plurality of rotation stopping clamping blocks.
Optimally, a plurality of sealing rings are arranged between the sealing sleeve 2 and the transition shaft 3.
Preferably, a grease groove is arranged between the sealing rings, and a grease channel is connected to the grease groove.
Preferably, the front revolving body and the rear revolving body are provided with bearings.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (3)
1. The utility model provides a high new connection type's of axiality tolerance central solid of revolution which characterized in that: the device comprises a rotary outer cylinder, a sealing sleeve, a transition shaft, a front revolving body, a rear revolving body and a detection device;
the rotary outer cylinder is connected with the cutterhead, a rotation stopping clamping block is arranged in the rotary outer cylinder, and a maintenance end cover is arranged at one end of the rotary outer cylinder;
the front end of the transition shaft is provided with a rotation stopping groove, the rotation stopping groove is connected with a rotation stopping clamping block, and a medium channel is arranged in the transition shaft;
the sealing sleeve is fixed on the shield body structure through bolts, the outer side of the sealing sleeve is connected with the rotary outer cylinder, the inner side of the sealing sleeve is connected with the transition shaft, a plurality of sealing rings are arranged between the sealing sleeve and the transition shaft, grease grooves are arranged between the sealing rings, and grease channels are connected to the grease grooves;
the front revolving body comprises a first outer cylinder and a first rotating shaft, the first outer cylinder is sleeved outside the first rotating shaft, and the first rotating shaft is fixedly connected with the transition shaft;
the rear revolving body comprises a second outer cylinder and a second rotating shaft, the second outer cylinder is connected with the first outer cylinder through a torque arm, and the second rotating shaft is fixedly connected with the first rotating shaft;
a first medium channel is arranged in the first rotating shaft and the transition shaft, and a first medium inlet communicated with the first medium channel is formed in the first outer cylinder; the second rotary shaft, the first rotary shaft and the transition shaft are internally provided with second medium channels which are mutually communicated, and the second outer cylinder is provided with a second medium inlet which is communicated with the second medium channels;
the detection device comprises a rotary encoder and a coupler, and the rotary encoder is connected with the second rotary shaft through the coupler.
2. The new-connection-type center rotator with high coaxiality tolerance according to claim 1, wherein a plurality of anti-rotation clamping blocks are arranged.
3. The new-connection-type center rotor with high coaxiality tolerance according to claim 1, wherein the front rotor and the rear rotor are provided with bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134336.XA CN109779645B (en) | 2019-02-22 | 2019-02-22 | Novel connection type central revolving body with high coaxiality tolerance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134336.XA CN109779645B (en) | 2019-02-22 | 2019-02-22 | Novel connection type central revolving body with high coaxiality tolerance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109779645A CN109779645A (en) | 2019-05-21 |
| CN109779645B true CN109779645B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910134336.XA Active CN109779645B (en) | 2019-02-22 | 2019-02-22 | Novel connection type central revolving body with high coaxiality tolerance |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472793B (en) * | 2020-05-15 | 2021-09-03 | 上海隧道工程有限公司 | Shield constructs quick-witted center swivel joint with high axiality |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064786A (en) * | 1998-08-13 | 2000-02-29 | Komatsu Ltd | Oil-level measuring device for tunnel boring machine |
| CN201843619U (en) * | 2010-08-16 | 2011-05-25 | 上海地铁盾构设备工程有限公司 | Improved body of central rotary joint of shield |
| CN205654354U (en) * | 2016-04-29 | 2016-10-19 | 中铁工程装备集团有限公司 | Shield constructs unsteady connecting device of quick -witted centre revolving joint |
| CN106050249A (en) * | 2016-07-20 | 2016-10-26 | 江苏腾旋科技股份有限公司 | Muck improving medium conveying device of shield tunneling machine |
| CN106948824A (en) * | 2017-05-16 | 2017-07-14 | 郎溪腾旋科技有限公司 | A kind of floating type shield machine sediment improvement medium conveying apparatus |
| CN206722836U (en) * | 2017-03-14 | 2017-12-08 | 武汉善福重型机床有限公司 | A kind of shield machine revolving body attachment means |
-
2019
- 2019-02-22 CN CN201910134336.XA patent/CN109779645B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064786A (en) * | 1998-08-13 | 2000-02-29 | Komatsu Ltd | Oil-level measuring device for tunnel boring machine |
| CN201843619U (en) * | 2010-08-16 | 2011-05-25 | 上海地铁盾构设备工程有限公司 | Improved body of central rotary joint of shield |
| CN205654354U (en) * | 2016-04-29 | 2016-10-19 | 中铁工程装备集团有限公司 | Shield constructs unsteady connecting device of quick -witted centre revolving joint |
| CN106050249A (en) * | 2016-07-20 | 2016-10-26 | 江苏腾旋科技股份有限公司 | Muck improving medium conveying device of shield tunneling machine |
| CN206722836U (en) * | 2017-03-14 | 2017-12-08 | 武汉善福重型机床有限公司 | A kind of shield machine revolving body attachment means |
| CN106948824A (en) * | 2017-05-16 | 2017-07-14 | 郎溪腾旋科技有限公司 | A kind of floating type shield machine sediment improvement medium conveying apparatus |
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| CN109779645A (en) | 2019-05-21 |
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