A shaft end sealing device for the stirring shaft of the grouting tank of the shield machine
A shaft end sealing and stirring shaft technology, which is applied in the field of shaft end sealing device of agitating shaft of a grouting tank of a shield machine, can solve the problems such as affecting the sealing performance and reliability, unreasonable design, and damage to components, so as to ensure the sealing performance, Extended life, tight seal effect
Active Publication Date: 2017-01-25
WUHAN MARINE MACHINERY PLANT
View PDF7 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, the applicant found that the structure of the invention was too complicated and the design was unreasonable, resulting in certain defects in the mutual cooperation of the various components, which made the invention easy to cause damage to the various components when working in an environment with poor working conditions. Affects the sealing performance and reliability of the invention
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0028] In the following, the embodiments of the present invention will be further described in detail in conjunction with the accompanying drawings.
[0029] Such as figure 1 , figure 2 , image 3 As shown, the embodiment of the present invention provides a sealing device for the shaft end of the stirring shaft of the shield machine grouting tank, which adopts a sealing device, and the sealing device includes a shaft sleeve 21 matched with the stirring shaft 1, a sealing seat 3, and a sealing seat installation Flange 7, sealing compression ring 13, spacer ring 6, oil seal pressure plate 17, etc., the shaft sleeve 21 is installed on the stirring shaft 1, and the sealing seat mounting flange 7 is welded to the tank body 24 of the grouting tank In one piece, the sealing seat 3 is installed on the stirring shaft 1, and the sealing seat 3 is connected with the sealing seat mounting flange 7 through the positioning pin 23, the bolt 10 and the spring washer 11, and the sealing is pr...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a shaft-end sealing device for a stirring shaft of a grouting tank of a shield tunneling machine. A shaft sealing device is adopted and comprises a shaft sleeve matched with the stirring shaft, a sealing seat, a sealing seat installing flange, a sealing hold-down ring, an isolating ring and an oil seal pressing plate. The shaft sleeve is installed on the stirring shaft, the sealing seat installing flange and a tank body of the grouting tank are welded together, the sealing seat is installed on the stirring shaft, the sealing seat is connected with the sealing seat installing flange through a positioning pin, a bolt and a spring washer, the small end of the sealing pressing ring is installed in a sealing strip installing groove in the end, close to the outer side of the tank body of the grouting tank, of the sealing seat, and the large end of the sealing pressing ring is connected with the sealing seat installing ring through a stud and a nut. Pressure grease is injected into the sealing seat through a grease pipeline, sealing pressure is kept, the sealing effect of the whole device is guaranteed, the phenomenon of frequent grout leakage of the grouting tank in the construction process of the shield tunneling machine is effectively avoided, construction cost is reduced, and construction efficiency is improved.
Description
technical field [0001] The invention relates to the technical field of tunnel engineering, in particular to a shaft end sealing device for a stirring shaft of a shield machine grouting tank. Background technique [0002] Shield tunnel boring machine, referred to as shield machine, is a special construction machine for tunnel boring. It has been widely used in subway, railway, highway, municipal, hydropower and other tunnel projects. [0003] At present, when the shield machine is used for tunnel excavation construction, because the excavation diameter of the cutter head of the shield machine is larger than the outer diameter of the segment, when the assembled segment ring comes out of the shield tail, there will be a formation between the stratum and the segment. A certain building gap, in order to avoid the ground subsidence caused by the building gap and affect the surrounding buildings, a synchronous grouting system is installed on the shield machine, and the grout is inj...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F16J15/16
CPCF16C33/74F16C33/743
Inventor 杨阳陈云节刘发展陈离刘郴王正朱晓冬程旎
Owner WUHAN MARINE MACHINERY PLANT