CN207879349U - A kind of casting structure of shield machine - Google Patents
A kind of casting structure of shield machine Download PDFInfo
- Publication number
- CN207879349U CN207879349U CN201820312118.1U CN201820312118U CN207879349U CN 207879349 U CN207879349 U CN 207879349U CN 201820312118 U CN201820312118 U CN 201820312118U CN 207879349 U CN207879349 U CN 207879349U
- Authority
- CN
- China
- Prior art keywords
- agitating shaft
- soil pressure
- blade
- shield machine
- casting structure
- 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.)
- Expired - Fee Related
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a kind of casting structure of shield machine, including the shell of shield machine, the cutterhead positioned at shell cutting end and soil pressure storehouse；Agitating shaft top in soil pressure storehouse is stretched out soil pressure storehouse and is installed in the plane bearing at soil pressure silo roof end, the bottom end of agitating shaft is installed in deep groove ball bearing, deep groove ball bearing is fixed in columned bearing mounting base, and bearing mounting base is fixedly supported on by three supporting rods on the inner wall of soil pressure orlop portion outlet end；First blade on agitating shaft top is sequentially reduced from top to bottom along the axially downwardly spiral winding arrangement and its radius of spin of agitating shaft；The lower part of agitating shaft is equipped with several second blades, and the second blade is located at the recess portion of two piece of second blade on sustained height towards opposite in crescent shape and two row that are arranged as facing along the axial uniform intervals of agitating shaft；Screw conveyor shaft stretches into the underface of the agitating shaft in outlet end.Fully the dregs in firming storehouse can be discharged in time for the utility model.
Description
Technical field
The utility model belongs to municipal works technical field more particularly to a kind of shield machine of municipal works tunnel piercing
On casting structure.
Background technology
It is frequently necessary to carry out excavation construction to tunnel in municipal works, shield method is a kind of common form of construction work, shield
With transport in shield driven Metro tunnel construction, the dregs excavated from face will pass through addition for dregs processing in method constructing tunnel
The additives such as water, bentonite, bubble, are mixed evenly, and so that dregs is had and are preferably flowed plasticity, do not isolate, in shield
Soil pressure is formed in structure machine soil pressure storehouse, is balanced the soil pressure on face, is kept the stress balance of face.
Shield is constantly tunneled forward, and the dregs of excavation enters soil pressure storehouse, passes through a spiral dumper knot on rear side of soil pressure storehouse
Structure at the same rate excludes the soil in soil pressure storehouse, is then packed into slag-soil truck by feed belt.In existing soil pressure storehouse
Soil is difficult to exclude in time, is easy to be deposited in soil pressure storehouse, and screw conveyor shaft is arranged in the middle part of soil pressure storehouse or middle and lower part, nothing
Method fully excludes soil in time, and is arranged at soil pressure orlop portion, due to the adhesion for the native slag that cutterhead is cut out, is located above
Native slag again be easy accumulation, it is not easy to free-falling and seen off by screw conveyor shaft.
Utility model content
The purpose of this utility model is to provide a kind of casting structure of shield machine, the casting structure of the shield machine can be timely
Fully by dregs discharge soil pressure storehouse.
The technical solution of the utility model is as follows：
A kind of casting structure of shield machine, including the shell of shield machine, the cutterhead positioned at shell cutting end and soil pressure storehouse, institute
Cutterhead is stated with soil pressure storehouse to be connected；Agitating shaft is vertically equipped in the soil pressure storehouse, the agitating shaft top is stretched out soil pressure storehouse and pacified
In plane bearing loaded on soil pressure silo roof end, the bottom end of agitating shaft is installed in deep groove ball bearing, and the deep groove ball bearing is fixed
In columned bearing mounting base, the bearing mounting base is fixedly supported on soil pressure orlop portion outlet end by three supporting rods
Inner wall on；
The agitating shaft top be equipped with the first blade, first blade along agitating shaft axially downwardly spiral winding cloth
It sets and its radius of spin is sequentially reduced from top to bottom；The lower part of agitating shaft is equipped with several second blades, and second blade is in the moon
Tooth shape and two row for being arranged as facing along the axial uniform intervals of agitating shaft, two piece of second blade being located on sustained height
Recess portion towards opposite；
Screw conveyor shaft stretches into the underface of the agitating shaft in the outlet end.
Further, the length that first blade is wound along the axial screw of agitating shaft is equal to the second blade in agitating shaft
Axial direction on the length that is distributed.
Further, it is additionally provided with drenching tube at the top of the soil pressure storehouse.
Further, in coniform and its portlet, even there are one cylindrical drum, the supporting rods for the bottom end in the soil pressure storehouse
It is fixed on the inner wall of the cylindrical drum, the screw conveyor shaft stretches into cylindrical drum.
Further, the cross section of first blade assumes diamond in shape and one of diamond shape interior angle is 20~30 degree.
Further, the angle between second blade and horizontal plane is 35~45 degree.
Further, the cross section of the supporting rod assumes diamond in shape and one of diamond shape interior angle is 20~30 degree, and
Supporting rod along its length on most sharp one side edge upward, and the angle between supporting rod and agitating shaft is 45 degree.
Further, it is additionally provided with blind hole immediately below the installation bore of the deep groove ball bearing, the stirring the tip of the axis is worn
It is inserted into the blind hole and is not contacted with hole bottom, the bottom hole of the terminal surface of agitating shaft and the blind hole after crossing deep groove ball bearing
Between by harden steel ball be connected, the steel ball that hardens can be freely rotated in the inside of spherical groove at hole bottom.
The beneficial effects of the utility model：The agitating shaft of a Gent is arranged in the utility model in soil pressure storehouse, the stirring
Axis realizes rotation by plane bearing and deep-groove ball, it is ensured that the stability of flexible rotating is very suitable for for produced by shield
Dregs drag characteristic, be especially added to the corresponding reprocessed dregs of medicament；The top of the agitating shaft, which is set up separately, is set to circle
The helical blade of taper, lower part are arranged to two the second blades of row of crescent shape, can be fully by the slag in entire firming storehouse
Soil stirs evenly and dregs of stirring, and two the second blade recess portions faced separate native slag towards on the contrary, can uniformly cut, and prevent
Only native slag layering or blocking influences native slag flowing；On the basis of the said structure, just screw conveyor shaft can be mounted on soil pressure storehouse
Bottom, the native slag that not will produce top is easy the case where accumulation can not be excluded from bottom again, to fully and in time by cutterhead
The native slag cut out transports.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the cross-sectional view of the first blade and supporting rod.
Fig. 3 is stirring the tip of the axis mounting structure schematic diagram.
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figure 1, a kind of casting structure of shield machine, including the shell 1 of shield machine, the knife positioned at 1 cutting end of shell
Disk 2 and soil pressure storehouse 3, the cutterhead 2 are connected with soil pressure storehouse 3；Agitating shaft 4, the agitating shaft are vertically equipped in the soil pressure storehouse 3
4 tops are stretched out soil pressure storehouse 3 and are installed in the plane bearing 5 on 3 top of soil pressure storehouse, and the bottom end of agitating shaft 4 is installed on deep-groove ball axis
In holding 7, the deep groove ball bearing 7 is fixed in columned bearing mounting base 6, and the bearing mounting base 6 is supported by three
Bar 8 is fixedly supported on the inner wall at 3 outlet at bottom end of soil pressure storehouse.
4 top of the agitating shaft is equipped with the first blade 9, and first blade 9 is twined along the axially downwardly spiral of agitating shaft 4
Around arrangement and its radius of spin be sequentially reduced from top to bottom, formed it is coniform；The lower part of agitating shaft 4 is equipped with several second blades
10, second blade 10 is located at same in crescent shape and two row that are arranged as facing along the axial uniform intervals of agitating shaft 4
As soon as the recess portion of two piece of second blade 10 in height towards on the contrary, i.e. a piece of recess portion outwardly, another is arranged inwardly.
Screw conveyor shaft 11 stretches into the underface of the agitating shaft 4 in the outlet end, so that splicing transfers out.
Further, the length that first blade 9 is wound along the axial screw of agitating shaft 4 is being stirred equal to the second blade
The length being distributed in the axial direction of axis 4 makes native slag preferably turn movement to promote mixing effect.
Further, the top in the soil pressure storehouse 3 is additionally provided with drenching tube 12, for injecting medicament into soil pressure storehouse 3, improves
Dregs performance, to transport dregs.
Further, in coniform and its portlet, even there are one cylindrical drum 19, the supports for the bottom end in the soil pressure storehouse 3
Bar 8 is fixed on the inner wall of the cylindrical drum 19, and the screw conveyor shaft 11 stretches into cylindrical drum 19, and the structure design is convenient for upper
It is gathered under the dregs in portion in cylindrical drum 19, avoids the emptying of screw conveyor shaft 11 or dregs transfer rate not high.
Further, as shown in Fig. 2, the cross section of first blade 9 assumes diamond in shape and one of diamond shape interior angle B
It is 20~30 degree；Can there are preferable cutting, stirring action after 9 helical buckling of the first blade of this double-edged sword structure.
Further, the angle between second blade 10 and horizontal plane is 35~45 degree so that the second blade lean
Setting promotes cutting force and transmits the ability of dregs.
Further, as shown in Fig. 2-3, the cross section of the supporting rod 8 assumes diamond in shape and one of diamond shape interior angle
B is 20~30 degree, and supporting rod 8 along its length on most sharp one side edge upward, and supporting rod 8 and agitating shaft 4 it
Between angle be 45 degree so that supporting rod 8 itself have shear action drawn at supporting rod 8 when native slag falls vertically
Separation is opened, prevents from blocking.
Further, described as shown in figure 3, being additionally provided with blind hole immediately below the bearing mounting base 6 of the deep groove ball bearing 7
The end of agitating shaft 4 is inserted into the blind hole and is not contacted with hole bottom, the end of agitating shaft 4 after passing through deep groove ball bearing 7
It is connected by the steel ball 20 that hardens between face and the bottom hole of the blind hole, the steel ball 20 that hardens can be in the spherical groove at hole bottom
It is inside freely rotated, which mainly considers the anti-jamming of agitating shaft 4, is support using the steel ball 20 that hardens so that stir
Larger axial force can be rotated freely and bear by mixing axis 4, and effect is turned to the vertical direction of dregs to adapt to agitating shaft 4.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (8)
1. a kind of casting structure of shield machine, including the shell of shield machine, the cutterhead positioned at shell cutting end and soil pressure storehouse, described
Cutterhead is connected with soil pressure storehouse；It is characterized in that：Agitating shaft is vertically equipped in the soil pressure storehouse, soil is stretched out on the agitating shaft top
Pressure storehouse is simultaneously installed in the plane bearing at soil pressure silo roof end, and the bottom end of agitating shaft is installed in deep groove ball bearing, the deep-groove ball
Bearing is fixed in columned bearing mounting base, and the bearing mounting base is fixedly supported on soil pressure orlop by three supporting rods
On the inner wall of portion outlet end；
The agitating shaft top be equipped with the first blade, first blade along agitating shaft axially downwardly spiral winding arrangement and
Its radius of spin is sequentially reduced from top to bottom；The lower part of agitating shaft is equipped with several second blades, and second blade is in crescent shape
And two row for being arranged as facing along the axial uniform intervals of agitating shaft, it is located at the recessed of two piece of second blade on sustained height
Portion is towards on the contrary；
Screw conveyor shaft stretches into the underface of the agitating shaft in the outlet end.
2. the casting structure of shield machine according to claim 1, it is characterised in that：Axial direction of first blade along agitating shaft
The length of spiral winding is equal to the length that the second blade is distributed in the axial direction of agitating shaft.
3. the casting structure of shield machine according to claim 1, it is characterised in that：It is additionally provided with perfusion at the top of the soil pressure storehouse
Pipe.
4. the casting structure of shield machine according to claim 1, it is characterised in that：The bottom end in the soil pressure storehouse in coniform and
Its portlet is even there are one cylindrical drum, and the supporting rod is fixed on the inner wall of the cylindrical drum, and the screw conveyor shaft stretches into
In cylindrical drum.
5. according to the casting structure of any one of claim 1-4 shield machine, it is characterised in that：The cross of first blade
Section assumes diamond in shape and one of diamond shape interior angle is 20~30 degree.
6. the casting structure of shield machine according to claim 1, it is characterised in that：Between second blade and horizontal plane
Angle is 35~45 degree.
7. the casting structure of shield machine according to claim 1, it is characterised in that：The cross section of the supporting rod assume diamond in shape and
One of diamond shape interior angle is 20~30 degree, and supporting rod along its length on most sharp one side edge upward, and
Angle between supporting rod and agitating shaft is 45 degree.
8. the casting structure of shield machine according to claim 1, it is characterised in that：The installation bore of the deep groove ball bearing is just
Lower section is additionally provided with blind hole, and the stirring the tip of the axis is inserted into the blind hole after passing through deep groove ball bearing and is not connect with hole bottom
It touches, is connected by the steel ball that hardens between the terminal surface of agitating shaft and the bottom hole of the blind hole, the steel ball that hardens can be in hole
The inside of spherical groove at bottom is freely rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820312118.1U CN207879349U (en) | 2018-03-07 | 2018-03-07 | A kind of casting structure of shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820312118.1U CN207879349U (en) | 2018-03-07 | 2018-03-07 | A kind of casting structure of shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879349U true CN207879349U (en) | 2018-09-18 |
Family
ID=63496134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820312118.1U Expired - Fee Related CN207879349U (en) | 2018-03-07 | 2018-03-07 | A kind of casting structure of shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207879349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905472A (en) * | 2020-07-28 | 2020-11-10 | 南京龙源环保有限公司 | Rotary blowing bottom support assembly device of bag type dust collector |
-
2018
- 2018-03-07 CN CN201820312118.1U patent/CN207879349U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111905472A (en) * | 2020-07-28 | 2020-11-10 | 南京龙源环保有限公司 | Rotary blowing bottom support assembly device of bag type dust collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20190307 |