CN206608187U - Shield machine fish tail knife slip-casting mud mouth - Google Patents
Shield machine fish tail knife slip-casting mud mouth Download PDFInfo
- Publication number
- CN206608187U CN206608187U CN201720336517.7U CN201720336517U CN206608187U CN 206608187 U CN206608187 U CN 206608187U CN 201720336517 U CN201720336517 U CN 201720336517U CN 206608187 U CN206608187 U CN 206608187U
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- China
- Prior art keywords
- mud
- note
- overhead gage
- main aperture
- note mud
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Abstract
The utility model discloses a kind of shield machine fish tail knife slip-casting mud mouth, it includes installing pipe, the inside pipe wall of installing has the erecting bed of annular, the slip-casting mud mouth also includes the note mud overhead gage being installed on the erecting bed, multiple note mud holes are offered on the note mud overhead gage, note mud hole on the note mud overhead gage includes main aperture and secondary orifices, the main aperture is divided into multigroup, centered on multigroup main aperture infall, the main aperture is distributed from note mud overhead gage center to surrounding in divergent shape, and the area of the main aperture is successively decreased laterally by center.The utility model mud sprays from note mud overhead gage, directly mud is noted to easily forming the overstocked position of the soil body in the middle part of fish tail knife, it can thoroughly prevent the soil body from overstocking to form mud cake, and note position of opening and size on mud overhead gage and flow is consistent everywhere in installing pipe, flow velocity loss is not resulted in, also there will not be extra pressure to note mud overhead gage, greatly improve the service life of note mud overhead gage.
Description
Technical field
The utility model is related to shield machine, more particularly to a kind of shield machine fish tail knife slip-casting mud mouth.
Background technology
Shield machine generally includes center flange, the fish tail knife being fixedly mounted on center flange and peace with fish tail knife assembly
Loaded on the note mud nozzle on center flange, such as Publication No. CN105370292A patent application, it is noted mud nozzle and is in the form of a column,
Multiple spray orifices are offered on the side wall for noting mud nozzle, because emission direction and the mud of spray orifice are noting the flowing in mud nozzle
Direction is perpendicular, therefore when mud sprays certain flow velocity can be caused to be lost, it is impossible to thoroughly prevent from producing mud cake on fish tail knife,
And easily being internally formed the overstocked of mud in nozzle tip in turn results in blocking.
The content of the invention
The purpose of this utility model is to provide that a kind of slip fluidity is good and shield machine fish tail knife of service life length note
Slurry-mud mouth.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of shield machine fish tail knife slip-casting mud mouth,
It includes installing pipe, and the installation inside pipe wall has the erecting bed of annular, and the slip-casting mud mouth also includes being installed on the installation
The note mud hole bag on multiple note mud holes, the note mud overhead gage is offered on note mud overhead gage on platform, the note mud overhead gage
Include main aperture and secondary orifices, the main aperture is divided into multigroup, and centered on multigroup main aperture infall, the main aperture is in note mud overhead gage
The heart is distributed to surrounding in divergent shape, and the area of the main aperture is successively decreased laterally by center.
Optimization, the note mud mouth also includes that baffle plate pressing plate, the pressure that mud overhead gage is pressed on erecting bed will be noted by bolt
Opened up in the middle part of note mud lower baffle plate and note mud packing ring between the note mud overhead gage and the erecting bed, the note mud lower baffle plate
Have note mud mouthful and its be located between the note mud overhead gage and note mud packing ring, the baffle plate pressing plate is pressed on the note mud overhead gage
Square and its middle part offers and notes mud through hole.
Optimization, the secondary orifices is uniformly distributed on the note mud overhead gage.
Optimization, the main aperture is divided into two groups, is arranged in decussation.
Further, the cross section of the main aperture is successively decreased laterally in isosceles trapezoid and area by center, on the note mud
The lower surface right-angled intersection connected in star of baffle plate, the center of groove is the center of main aperture infall, and recess width and depth are by center
Successively decrease to four ends, two waists of main aperture trapezoidal cross-section are located on the side of groove.
Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：The utility model
Mud sprays from note mud overhead gage, directly notes mud to easily forming the overstocked position of the soil body in the middle part of fish tail knife, can thoroughly prevent the soil body
Overstock and form mud cake, and note position of opening and size on mud overhead gage and flow is consistent everywhere in installing pipe, do not result in
Flow velocity is lost, and also will not have extra pressure to note mud overhead gage, greatly improve the service life of note mud overhead gage.
Brief description of the drawings
Accompanying drawing 1 is the three-dimensional view of the utility model nozzle；
Accompanying drawing 2 is the top view of the utility model nozzle；
Accompanying drawing 3 is the A-A sectional views of accompanying drawing 2；
Accompanying drawing 4 is the three-dimensional view of note mud overhead gage.
Embodiment
Shown embodiment is further described to the utility model below in conjunction with the accompanying drawings.
Slip-casting mud mouth, which includes inwall, as shown in Figure 1, 2, 3 has the installing pipe 6 of annular erecting bed, is installed on the installation
On platform and offer the note mud overhead gages 7 in multiple note mud holes, note mud overhead gage 7 is pressed on by baffle plate on erecting bed by bolt 14
Under pressing plate 8, the note mud lower baffle plate 9 being pressed between the note mud overhead gage 7 and the erecting bed and note mud packing ring 10, the note mud
The middle part of baffle plate 9 offers note mud mouthful and it is located between the note mud overhead gage 7 and note mud packing ring 10, and note mud packing ring 10 is without stone
Cotton pad piece, the baffle plate pressing plate 8 is pressed on the top of note mud overhead gage 7 and its middle part offers note mud through hole.As shown in figure 4,
Note mud hole on the note mud overhead gage 7 includes main aperture 11 and secondary orifices 12, and 11 points of the main aperture is two groups, is arranged in decussation
Cloth, the secondary orifices 12 is uniformly distributed on the note mud overhead gage 7.Centered on the infall of main aperture 11 described in two groups, the main aperture
11 cross section is successively decreased laterally in isosceles trapezoid and area by center, the lower surface cruciform shape of the note mud overhead gage 7
Groove, the center of groove is the center of the infall of main aperture 11, and recess width and depth are successively decreased from center to four ends, main aperture 11
Two waists of trapezoidal cross-section are located on the side of groove, and the design successively decreased by width and depth from four circumferential centers can be protected
The pressure for demonstrate,proving slurry injection mud overhead gage 7 is uniform, and note mud overhead gage 7 will not be caused to deform because of long-term use, eliminated in the past
The problem of needing frequently to change note mud overhead gage 7.
Above-described embodiment is only to illustrate technical concepts and features of the present utility model, and its object is to allow be familiar with technique
Personage can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover protection domain of the present utility model it
It is interior.
Claims (5)
1. a kind of shield machine fish tail knife slip-casting mud mouth, it is characterised in that：It includes installing pipe, and the installation inside pipe wall has ring
The erecting bed of shape, the slip-casting mud mouth is also included on the note mud overhead gage being installed on the erecting bed, the note mud overhead gage
Offering the note mud holes on multiple note mud holes, the note mud overhead gage includes main aperture and secondary orifices, the main aperture be divided into it is multigroup, it is multigroup
Centered on the main aperture infall, the main aperture is distributed from note mud overhead gage center to surrounding in divergent shape, the face of the main aperture
Ji You successively decreases at center laterally.
2. shield machine fish tail knife slip-casting mud mouth according to claim 1, it is characterised in that：The note mud mouth also includes logical
Cross bolt by note mud overhead gage be pressed on erecting bed baffle plate pressing plate, be pressed on it is described note mud overhead gage and the erecting bed between
Mud lower baffle plate and note mud packing ring are noted, the note mud lower baffle plate middle part offers note mud mouthful and it is located at the note mud overhead gage and note
Between mud packing ring, the baffle plate pressing plate is pressed on above the note mud overhead gage and its middle part offers note mud through hole.
3. shield machine fish tail knife slip-casting mud mouth according to claim 1, it is characterised in that：The secondary orifices is uniformly distributed in
On the note mud overhead gage.
4. shield machine fish tail knife slip-casting mud mouth according to claim 1, it is characterised in that：The main aperture is divided into two groups,
Arranged in decussation.
5. shield machine fish tail knife slip-casting mud mouth according to claim 4, it is characterised in that：The cross section of the main aperture is in
In isosceles trapezoid and area is successively decreased laterally by center, the lower surface right-angled intersection connected in star of the note mud overhead gage, groove
The heart is the center of main aperture infall, and recess width and depth are successively decreased from center to four ends, two of main aperture trapezoidal cross-section
Waist is located on the side of groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720336517.7U CN206608187U (en) | 2017-03-31 | 2017-03-31 | Shield machine fish tail knife slip-casting mud mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720336517.7U CN206608187U (en) | 2017-03-31 | 2017-03-31 | Shield machine fish tail knife slip-casting mud mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608187U true CN206608187U (en) | 2017-11-03 |
Family
ID=60174047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720336517.7U Active CN206608187U (en) | 2017-03-31 | 2017-03-31 | Shield machine fish tail knife slip-casting mud mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206608187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761844A (en) * | 2017-03-31 | 2017-05-31 | 中交天和机械设备制造有限公司 | Shield machine fish tail knife slip-casting mud mouth |
-
2017
- 2017-03-31 CN CN201720336517.7U patent/CN206608187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761844A (en) * | 2017-03-31 | 2017-05-31 | 中交天和机械设备制造有限公司 | Shield machine fish tail knife slip-casting mud mouth |
| CN106761844B (en) * | 2017-03-31 | 2019-11-22 | 中交天和机械设备制造有限公司 | Shield machine fish tail knife slip-casting mud mouth |
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| GR01 | Patent grant |