CN113510653A - Device for assisting shield machine hob sealing ring assembly - Google Patents
Device for assisting shield machine hob sealing ring assembly Download PDFInfo
- Publication number
- CN113510653A CN113510653A CN202110902390.1A CN202110902390A CN113510653A CN 113510653 A CN113510653 A CN 113510653A CN 202110902390 A CN202110902390 A CN 202110902390A CN 113510653 A CN113510653 A CN 113510653A
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- CN
- China
- Prior art keywords
- hob
- sealing ring
- sealing
- floating
- protruding
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 66
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 239000004677 Nylon Substances 0.000 claims abstract description 4
- 229920001778 nylon Polymers 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 230000005641 tunneling Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0028—Tools for removing or installing seals
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sealing Devices (AREA)
Abstract
A device for assisting shield machine hob sealing ring assembly relates to the technical field of hob assembly. The sealing tool comprises a sealing tool, a shaft hole for a cutter shaft of a hob to penetrate is formed in the middle of the sealing tool, a smooth force application surface for external force application is arranged on one side of the sealing tool, an annular protruding pressing table portion corresponding to a floating sealing ring of the hob and used for pressing the floating sealing ring in an external force application state is arranged on the outer side, away from one side of the force application surface and located in the shaft hole, of the sealing tool. The protruding edge that is located to keep away from the shaft hole on pressing the splenium is provided with protruding spacing portion, and when the installation floating seal circle, protruding spacing portion is used for spacing including the floating seal circle. By adopting the technical scheme, the specific nylon plastic is selected as the pressing cushion layer, so that the cutter can be prevented from being worn by external force on the metal surface of the floating sealing ring in the assembling process, the artificial damage is reduced, and the mechanical fixing, assembling and pressing modes can be adopted, so that the cutter sealing ring is uniformly stressed in the assembling process.
Description
Technical Field
The invention relates to the technical field of hob assembly, in particular to a device for assisting in assembling a hob sealing ring of a shield machine.
Background
With the continuous development of urban rail transit construction, the shield construction method is more and more widely applied due to the advantages of convenience, rapidness, safety, reliability and the like. The cutter head cutter is a core component of the shield excavation system, and the cutter is one of the most direct components for realizing the excavation function of the shield tunneling machine, so that the maintenance and management work of the shield cutter has very important significance.
In the maintenance process of the shield machine hob cutter, the installation of the floating seal is one of the most critical steps, and the assembly quality and the service life of components inside the cutter body are directly influenced. In the traditional process, when the hob is sealed, debugged and installed, a rubber hammer is generally used manually to directly smash and install the hob. Because of the inevitable error of manpower, easily cause seal installation atress uneven, lead to sealed effect not up to standard, even drop in the use in the bad condition such as, will directly lead to hobbing cutter sealing inefficacy, lubricating oil to reveal, the bearing is impaired, finally causes the hobbing cutter to damage, scrap, has reduced construction work efficiency, has increased construction cost.
Therefore, a device for assisting the assembly of the hob sealing ring of the shield machine needs to be researched.
Disclosure of Invention
The invention aims to provide a device for assisting the assembly of a shield machine hob sealing ring, aiming at the defects and shortcomings of the prior art, and the device has the advantages of avoiding abrasion to a floating sealing metal surface, reducing artificial damage, along with simple structure, low manufacturing cost and convenience in use in the assembly process of a cutter.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a supplementary shield constructs device of quick-witted hobbing cutter sealing washer assembly, includes: the utility model discloses a floating seal structure, including the hobbing cutter, the sealed frock, the middle part of sealed frock is provided with the shaft hole that supplies the arbor of hobbing cutter to wear to establish, sealed frock one side is provided with the smooth application of force face that supplies the outside application of force, keep away from on the sealed frock application of force face one side and be located the outside in shaft hole be provided with the floating seal circle of hobbing cutter corresponds, be used for pressing under the outside application of force state the platform portion is pressed to floating seal circle's annular arch.
The protruding pressing part is located far away from the edge of the shaft hole and is provided with a protruding limiting part, and when the floating seal ring is installed, the protruding limiting part is used for limiting the floating seal ring.
The protruding limiting portion and the edge between the protruding pressing portion and the sealing tool are provided with arc-shaped surfaces.
The sealing tool is made of nylon plastics.
The sealing tool is cylindrical.
After the technical scheme is adopted, the invention has the beneficial effects that:
1. when assembling the floating seal ring, the floating seal ring is sleeved on the cutter shaft of the hob needing to be assembled with the floating seal ring, then the shaft hole of the sealing tool is sleeved on the cutter shaft of the hob, so that the protrusion pressing part is in contact with one side of the opening on the floating seal ring, then the force is applied to the force applying surface of the sealing tool, so as to push the floating seal ring to be assembled on the floating seal position on the hob, the sealing tool is used for applying force to the floating seal ring, so that the sealing tool is more uniform, thereby reducing the phenomenon that the floating seal ring directly strikes the floating seal ring through a hammer in the assembling process to cause the abrasion of a sealing metal surface or the sealing effect is not up to standard due to the uneven force application, and even the condition of adverse conditions such as falling off in the using process occurs. In this embodiment, the hob requiring the assembly of the floating seal ring can be fixed in the center of the workbench of the adjusting hydraulic pump station, the floating seal ring is sleeved in the center of the workbench of the adjusting hydraulic pump station, then the hydraulic cylinder of the adjusting hydraulic pump station applies force to the force application surface of the sealing tool, so that the effect of mechanically installing the floating seal ring is facilitated, the hydraulic cylinder can also be fixedly connected with the shaft hole of the sealing tool close to the force application surface, so that the center of the sealing tool is stressed, and the stress uniformity of the seal ring is further improved.
2. The mechanical installation is convenient to realize, and the installation efficiency is improved while the labor is saved.
3. Is convenient for realizing mechanical automatic detection, can directly determine whether the installation result is qualified or not, and improves the assembly power of the cutter sealing ring
4. The poor sealing caused by human factors is effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view corresponding to FIG. 1;
FIG. 3 is a schematic structural view of another embodiment of the present invention;
fig. 4 is a sectional view corresponding to fig. 3.
Description of reference numerals: 1. sealing the tooling; a. a shaft hole; 11. a raised pressing table portion; 12. a boss limiting part; 13. an arc-shaped surface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.
The embodiment relates to a device for assisting shield machine hobbing cutter sealing ring assembly, as shown in fig. 1 and 2, comprising: the middle part of the sealing tool 1 is provided with a shaft hole a for a cutter shaft of the hob to penetrate through, one side of the sealing tool 1 is provided with a smooth force application surface for external force application, and the outer side, away from one side of the force application surface and located in the shaft hole a, of the sealing tool 1 is provided with an annular bulge pressing table part 11 corresponding to a floating seal ring of the hob and used for pressing the floating seal ring in an external force application state.
It should be noted that, when assembling the floating seal ring, the floating seal ring is sleeved on the cutter shaft of the hob needing to assemble the floating seal ring, then the shaft hole a of the sealing tool 1 is sleeved on the cutter shaft of the hob, so that the protrusion pressing part is in contact with one side of the opening on the floating seal ring, then force is applied to the force application surface of the sealing tool 1 to push the floating seal ring to be assembled on the floating seal position on the hob, the sealing tool 1 is used for applying force to the floating seal ring, so that the sealing tool 1 is more uniform, thereby reducing the occurrence of adverse conditions that the sealing effect is not up to standard due to the fact that the floating seal ring is directly hit by a hammer in the assembling process to cause the abrasion of the sealing metal surface or due to the uneven force application, and the like, even the floating seal ring drops in the using process. In this embodiment, the hob requiring the assembly of the floating seal ring can be fixed in the center of the workbench of the adjusting hydraulic pump station, the floating seal ring is sleeved in the center of the workbench of the adjusting hydraulic pump station, then the hydraulic cylinder of the adjusting hydraulic pump station applies force to the force application surface of the sealing tool 1, so as to facilitate the realization of the effect of mechanically installing the floating seal ring, the hydraulic cylinder can also be fixedly connected with the shaft hole a of the sealing tool 1, which is close to the force application surface, thereby the center of the item sealing tool 1 is stressed, and further the uniformity of the stress of the seal ring is realized.
Preferably, in order to ensure that the edge of the floating seal ring protruding pressing part, which is far away from the shaft hole a, is provided with a protruding limiting part 12, when the floating seal ring is installed, the protruding limiting part 12 is used for limiting the floating seal ring. The arrangement of the convex limiting part 12 can also be used for a user to analyze the distance between the convex limiting part 12 and a limiting standard, so that whether the installation result is qualified or not can be directly measured, whether the fit between the floating seal and the cutter body is up to the standard or not can be directly measured, the whole process of the installation of the floating seal ring can be integrally monitored in a controllable, visual and standardized mode, and the assembly quality and the effect of the cutter seal ring can be effectively improved.
In other embodiments, as shown in fig. 3 and 4, an arc-shaped surface 13 is provided at an edge between the protrusion limiting portion 12 and the protrusion pressing portion and an edge between the protrusion pressing portion and the sealing tool 1.
Preferably, the sealing tool 1 is made of nylon plastic. The noise that the wearing and tearing and the friction of sealed frock 1 to the metal covering of floating seal circle sent when reducing the installation, and have the effect of being convenient for make, cost of manufacture low and quality light. In this embodiment, the seal fixture 1 has a cylindrical shape.
The working principle of the invention is roughly as follows: when assembling the floating seal ring, the floating seal ring is sleeved on the cutter shaft of the hob needing to be assembled with the floating seal ring, then the shaft hole a of the sealing tool 1 is sleeved on the cutter shaft of the hob, so that the protrusion pressing part is in contact with one side of the opening on the floating seal ring, then the force is applied to the force application surface of the sealing tool 1, so as to push the floating seal ring to be assembled on the floating seal position on the hob, the sealing tool 1 is used for applying force to the floating seal ring, so that the sealing tool 1 is more uniform, thereby reducing the phenomenon that the floating seal ring directly strikes the floating seal ring through a hammer in the assembling process to cause the abrasion of a sealing metal surface or cause the substandard sealing effect due to the uneven stress, and even causing the occurrence of adverse conditions such as falling off in the using process. In this embodiment, the hob requiring the assembly of the floating seal ring can be fixed in the center of the workbench of the adjusting hydraulic pump station, the floating seal ring is sleeved in the center of the workbench of the adjusting hydraulic pump station, then the hydraulic cylinder of the adjusting hydraulic pump station applies force to the force application surface of the sealing tool 1, so as to facilitate the realization of the effect of mechanically installing the floating seal ring, the hydraulic cylinder can also be fixedly connected with the shaft hole a of the sealing tool 1, which is close to the force application surface, thereby the center of the item sealing tool 1 is stressed, and further the uniformity of the stress of the seal ring is realized.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered by the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides a supplementary shield constructs device of quick-witted hobbing cutter sealing washer assembly which characterized in that includes: seal frock (1), the middle part of sealed frock (1) is provided with shaft hole (a) that the arbor of confession hobbing cutter wore to establish, sealed frock (1) one side is provided with the application of force face of the outside application of force of leveled confession, keep away from on sealed frock (1) application of force face one side just is located the outside in shaft hole (a) be provided with the floating seal circle of hobbing cutter correspond, be used for pressing under outside application of force state the annular arch of floating seal circle presses stage portion (11).
2. The device for assembling the hob sealing ring of the auxiliary shield tunneling machine according to claim 1, wherein a protruding limiting portion (12) is arranged on the protruding pressing portion at an edge far away from the shaft hole (a), and when the floating sealing ring is installed, the protruding limiting portion (12) is used for limiting the floating sealing ring inside.
3. The device for assisting the shield tunneling machine hob sealing ring assembly according to claim 2, wherein an arc-shaped surface (13) is arranged at an edge between the protruding limiting portion (12) and the protruding pressing portion and an edge between the protruding pressing portion and the sealing tool (1).
4. The device for assisting the assembly of the seal ring of the hob of the shield tunneling machine according to any one of claims 1 to 3, wherein the sealing tool (1) is made of nylon plastic.
5. The device for assembling the hob sealing ring of the auxiliary shield tunneling machine according to claim 4, wherein the sealing tool (1) is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110902390.1A CN113510653A (en) | 2021-08-06 | 2021-08-06 | Device for assisting shield machine hob sealing ring assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110902390.1A CN113510653A (en) | 2021-08-06 | 2021-08-06 | Device for assisting shield machine hob sealing ring assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113510653A true CN113510653A (en) | 2021-10-19 |
Family
ID=78068409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110902390.1A Pending CN113510653A (en) | 2021-08-06 | 2021-08-06 | Device for assisting shield machine hob sealing ring assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113510653A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165523A (en) * | 2021-11-10 | 2022-03-11 | 嘉兴嘉优易轴承科技有限公司 | Automatic and accurate bearing double-seal press-fitting tool and press-fitting method thereof |
-
2021
- 2021-08-06 CN CN202110902390.1A patent/CN113510653A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165523A (en) * | 2021-11-10 | 2022-03-11 | 嘉兴嘉优易轴承科技有限公司 | Automatic and accurate bearing double-seal press-fitting tool and press-fitting method thereof |
| CN114165523B (en) * | 2021-11-10 | 2024-04-12 | 嘉兴嘉优易轴承科技有限公司 | Automatic and accurate press-fitting tool for double seals of bearing and press-fitting method thereof |
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