CN209195420U - A kind of minor diameter normal pressure tool changing cutterhead - Google Patents
A kind of minor diameter normal pressure tool changing cutterhead Download PDFInfo
- Publication number
- CN209195420U CN209195420U CN201821917351.9U CN201821917351U CN209195420U CN 209195420 U CN209195420 U CN 209195420U CN 201821917351 U CN201821917351 U CN 201821917351U CN 209195420 U CN209195420 U CN 209195420U
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- normal pressure
- spoke arm
- cutterhead
- tool changing
- arm
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Abstract
The utility model discloses a kind of minor diameter normal pressure tool changing cutterhead, solve the problems, such as that the tool changing of prior art medium-small diameter shield cutter is difficult, ineffective.The utility model includes cutterhead body, the cutterhead body front is equipped at least three king spoke arms and at least three secondary spoke arms, the one end at the nearly cutterhead body center of king spoke arm rest is connected, king spoke arm and secondary spoke arm are arranged in a crossed manner, secondary spoke arm is connected by ring muscle with king spoke arm, V-arrangement is equipped between two neighboring king spoke arm at cutterhead body center to close up, corresponding cutter is equipped on king spoke arm and secondary spoke arm, the rear portion of cutterhead body is equipped with gate.The utility model makes full use of space, is reasonably arranged to cutter, and different type normal pressure tool changing device is arranged, and realizes the normal pressure tool changing of minor diameter cutterhead, improves tool changing efficiency.
Description
Technical field
The utility model relates to shield machine technical fields, particularly relate to a kind of minor diameter normal pressure tool changing cutterhead.
Background technique
Shield excavation machine is the heavy construction equipment applied to tunnel excavation, and shield cutter is shield excavation machine excavation construction
Important component, cutter on cutterhead rotates cutting face with cutterhead, completes driving.When driving mileage is longer, midway
It has to check for, replace cutter, shield driving is normally at the biggish high hydraulic pressure environment of buried depth, is carried out by modes such as saturation tool changing
Tool changing, it is not only inconvenient, time-consuming, somewhat expensive, and tool changing personnel carry out saturation diving operation needs and are overpressurized decompression
Process, careless slightly to suffer from decompression sickness etc., injury is very big.Therefore normal pressure has been had already appeared in large-diameter shield cutterhead to change
Knife cutterhead solves problems.In order to realize that atmospheric pressure environment carries out the function of tool changing, the design of normal pressure tool changing device is relative to normal
It is big to advise cutter occupied space, so should guarantee that variety classes, a certain number of cutters are excavated in small diameter shield,
Guarantee that each tool changing device inside cutterhead, each tool changing tooling is not interfered when replacing cutter is very difficult again.
Utility model content
For the deficiency in above-mentioned background technique, the utility model proposes a kind of minor diameter normal pressure tool changing cutterheads, solve
Prior art medium-small diameter shield cutter tool changing difficulty, ineffective problem.
The technical solution of the utility model is achieved in that a kind of minor diameter normal pressure tool changing cutterhead, including cutterhead body,
The cutterhead body front is equipped at least three king spoke arms and at least three secondary spoke arms, in the nearly cutterhead body of king spoke arm rest
One end of the heart is connected, and king spoke arm and secondary spoke arm are arranged in a crossed manner, and secondary spoke arm is connected by ring muscle with king spoke arm, phase
V-arrangement is equipped between adjacent two king spoke arms at cutterhead body center to close up, is equipped with phase on king spoke arm and secondary spoke arm
The cutter answered.
The middle part of the king spoke arm is equipped with a replaceable tearing cutter of column normal pressure, and the two sides of king spoke arm outer end face are set respectively
There is a replaceable scraper of column normal pressure, column welding tearing is respectively equipped between the replaceable tearing cutter of normal pressure and the replaceable scraper of normal pressure
Knife, king spoke arm are equipped with several spouts.
The middle part of the pair spoke arm is equipped with welding tearing cutter, and the two sides of secondary spoke arm outer end face are respectively equipped with a column normal pressure
Scraper, the replaceable scraper gate layering of the gate and normal pressure of the replaceable tearing cutter of normal pressure are arranged in a crossed manner.
It is set in the cutterhead body there are three the secondary spoke arms of king spoke arm and three, king spoke arm and secondary spoke arm are respectively etc.
Angle is arranged on cutterhead body front end face, is equipped with wearing plate on the outer surface of spoke arm and secondary spoke arm.
The middle line of the pair spoke arm is overlapped with the middle line that V-arrangement closes up.
The excircle of the cutterhead body is equipped with protection knife and gauge knife.
The cross section of the king spoke arm is front wide and rear narrow trapezoidal.
The replaceable scraper of normal pressure is inclined at the two sides of king spoke arm, and two normal pressures in the same plane can
The angle replaced between scraper is 60 ~ 90 °.
The utility model makes full use of space, is reasonably arranged to cutter, and different type normal pressure tool changing device is arranged,
It realizes the normal pressure tool changing of minor diameter cutterhead, improves tool changing efficiency.In addition, between two neighboring king spoke arm in cutterhead body
It is equipped with V-arrangement at the heart to close up, as far as possible increase cutter head center region openings rate, while improving stock-removing efficiency, convenient for the row of dregs
Out, chuck clogging is prevented.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of the utility model embodiment
It is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is A-A direction view in Fig. 1.
Fig. 3 is king spoke arm cross-sectional structure schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are under that premise of not paying creative labor
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, embodiment 1, a kind of minor diameter normal pressure tool changing cutterhead, including cutterhead body 1, cutterhead body are circle
Annular is used to support king spoke arm and secondary spoke arm.1 front of cutterhead body is equipped at least three king spoke arms 2 and at least
Three secondary spoke arms 3, king spoke arm 2 and secondary spoke arm 3 are arranged in a crossed manner, and secondary spoke arm 3 is carried out along the excircle of cutterhead body etc.
Angle installation, king spoke arm 2 are connected close to the one end at 1 center of cutterhead body, form petal-shaped, and secondary spoke arm 3 passes through ring muscle 4
Be connected with king spoke arm 2, ring muscle 4 it is settable two or three, ring muscle 4 forms annular shape and concentric with cutterhead body.It is adjacent
V-arrangement closing in 20 is equipped between two king spoke arms 2 at 1 center of cutterhead body, the design of V-arrangement closing in 20 increases in cutterhead
The phenomenon that heart district domain aperture opening ratio reduces cutter head center position because of mud lining caused by not being open, influences cutterhead normal use, king spoke
Corresponding cutter, replaceable 6 gate of scraper of gate and normal pressure of the replaceable tearing cutter 5 of normal pressure are equipped on arm 2 and secondary spoke arm 3
It is layered arranged in a crossed manner；Gate is alternately arranged in tunneling direction layered arrangement, single, double valve system, makes full use of panel space cloth
Brazed shank tool is set, auxiliary normal pressure cutter carries out broken rock, and tool life realizes excavation function.
Further, the middle part of the king spoke arm 2 is equipped with the replaceable tearing cutter 5 of a column normal pressure, the replaceable tearing cutter 5 of normal pressure
It can be replaced under normal pressure state, the two sides of 2 outer end face of king spoke arm are respectively equipped with the replaceable scraper 6 of a column normal pressure, normal pressure
Replaceable scraper 6 can be replaced under normal pressure state, between the replaceable tearing cutter 5 of normal pressure and the replaceable scraper 6 of normal pressure respectively
Equipped with one column welding tearing cutter 7, welding tearing cutter 7 be fixedly connected with cutterhead body, welding tearing cutter there are two types of height, using divide
The form of layer arrangement guarantees to can reduce cutter head torque while excavation effect.Tearing cutter and scraper are within the scope of cutter path
Realize all standing.King spoke arm 2 is equipped with several spouts 8, and spout is connected with rear with the upper shotcrete pipe of set.The pair spoke
The middle part of arm 3 is equipped with welding tearing cutter, and the two sides of secondary 3 outer end face of spoke arm are respectively equipped with a column normal pressure scraper 9.Secondary spoke arm 3
Length be less than king spoke arm length, guarantee V-arrangement close up 20 aperture opening ratio, dregs is smoothly discharged.
As Figure 2-3, embodiment 2, a kind of minor diameter normal pressure tool changing cutterhead, including cutterhead body 1, the cutterhead body
It is set on 1 there are three king spoke arm 2 and three secondary spoke arms 3, king spoke arm 2 and secondary spoke arm 3 are equiangularly arranged in cutterhead respectively
On 1 front end face of ontology, the angle between the two neighboring king spoke arm 2 of three king spoke arms 2 is 120 °, three secondary spoke arms 3
Two neighboring secondary spoke arm 2 between angle be 120 °, the angle between secondary spoke arm 3 and adjacent king spoke arm 2 is 60 °.
It is equipped with wearing plate 11 on the outer surface of spoke arm 2 and secondary spoke arm 3, Wear-Resistant Compound Steel Plate can be used in wearing plate, improves wear-resisting
Property, protect cutter head structure.The middle line of the pair spoke arm 3 is overlapped with the middle line of V-arrangement closing in 20, and taper can be used in secondary spoke arm 3,
Increase the aperture opening ratio that V-arrangement closes up.The excircle of the cutterhead body 1 is equipped with protection knife 10 and gauge knife 12；Improve excavation face
Play the role of protecting cutterhead while product.
Further, the cross section of the king spoke arm 2 is front wide and rear narrow trapezoidal, and make dregs enters channel by narrow change
Width enters Tu Cang convenient for dregs.The replaceable scraper 6 of normal pressure is inclined at the two sides of king spoke arm 2, is generally aligned in the same plane
On the replaceable scraper 6 of two normal pressures between angle theta be one of 60 °, 70 °, 80 °, 90 °, reasonable Arrangement cutter, sufficiently
Utilize space.In the case of identical cutterhead, normal pressure cutterhead digging diameter is bigger, and cutter arrangement is opposite to be easier to, therefore in cutter ruler
It is very little to reduce, i.e., when normal pressure tool changing device size can not further decrease, reasonable cutter arrangement, different type normal pressure tool changing
Device and tool changing mode are the key that further decrease normal pressure cutter diameter.
Other structures are same as Example 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of minor diameter normal pressure tool changing cutterhead, including cutterhead body (1), it is characterised in that: cutterhead body (1) front is set
Have an at least three king spoke arms (2) and at least three secondary spoke arms (3), king spoke arm (2) close to cutterhead body (1) center one
End is connected, and king spoke arm (2) and secondary spoke arm (3) are arranged in a crossed manner, and secondary spoke arm (3) passes through ring muscle (4) and king spoke arm (2)
It is connected, is equipped with V-arrangement between two neighboring king spoke arm (2) at cutterhead body (1) center and closes up (20), king spoke arm
(2) and on secondary spoke arm (3) it is equipped with corresponding cutter.
2. minor diameter normal pressure tool changing cutterhead according to claim 1, it is characterised in that: the middle part of the king spoke arm (2)
Equipped with a replaceable tearing cutter of column normal pressure (5), the two sides of king spoke arm (2) outer end face are respectively equipped with a replaceable scraper of column normal pressure
(6), column welding tearing cutter (7), main spoke are respectively equipped between the replaceable tearing cutter of normal pressure (5) and the replaceable scraper of normal pressure (6)
Arm (2) is equipped with several spouts (8).
3. minor diameter normal pressure tool changing cutterhead according to claim 2, it is characterised in that: the middle part of the pair spoke arm (3)
Equipped with welding tearing cutter (7), the two sides of secondary spoke arm (3) outer end face are respectively equipped with a column normal pressure scraper (9), and normal pressure is replaceable to be torn
Gate and the layering of normal pressure replaceable scraper (6) gate for splitting knife (5) are arranged in a crossed manner.
4. described in any item minor diameter normal pressure tool changing cutterheads according to claim 1 ~ 3, it is characterised in that: the cutterhead body
(1) king spoke arm (2) and three secondary spoke arms (3) there are three setting on, king spoke arm (2) and secondary spoke arm (3) difference are angularly
It is arranged on cutterhead body (1) front end face, is equipped with wearing plate (11) on the outer surface of spoke arm (2) and secondary spoke arm (3).
5. minor diameter normal pressure tool changing cutterhead according to claim 4, it is characterised in that: the middle line of the pair spoke arm (3)
It is overlapped with the middle line of V-arrangement closing in (20).
6. minor diameter normal pressure tool changing cutterhead according to claim 5, it is characterised in that: the outer circle of the cutterhead body (1)
Week is equipped with protection knife (10) and gauge knife (12).
7. described in any item minor diameter normal pressure tool changing cutterheads according to claim 1 ~ 3, it is characterised in that: the king spoke arm
(2) cross section is front wide and rear narrow trapezoidal.
8. minor diameter normal pressure tool changing cutterhead according to claim 7, it is characterised in that: the replaceable scraper of normal pressure (6)
The two sides of king spoke arm (2) are inclined at, the angle between two replaceable scrapers of normal pressure (6) in the same plane is
60~90°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821917351.9U CN209195420U (en) | 2018-11-21 | 2018-11-21 | A kind of minor diameter normal pressure tool changing cutterhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821917351.9U CN209195420U (en) | 2018-11-21 | 2018-11-21 | A kind of minor diameter normal pressure tool changing cutterhead |
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| Publication Number | Publication Date |
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| CN209195420U true CN209195420U (en) | 2019-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821917351.9U Active CN209195420U (en) | 2018-11-21 | 2018-11-21 | A kind of minor diameter normal pressure tool changing cutterhead |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666498A (en) * | 2019-10-21 | 2020-01-10 | 中铁隧道局集团有限公司 | Method for replacing hob cutter in normal pressure state in boulder area tunneling process |
| CN110821506A (en) * | 2019-12-06 | 2020-02-21 | 中铁隧道局集团有限公司 | Shield constructs machine with telescopic ordinary pressure trades sword storehouse |
| CN111206940A (en) * | 2020-03-31 | 2020-05-29 | 中铁工程装备集团有限公司 | Knife interval arrangement device for normal-pressure knife disc |
-
2018
- 2018-11-21 CN CN201821917351.9U patent/CN209195420U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666498A (en) * | 2019-10-21 | 2020-01-10 | 中铁隧道局集团有限公司 | Method for replacing hob cutter in normal pressure state in boulder area tunneling process |
| CN110821506A (en) * | 2019-12-06 | 2020-02-21 | 中铁隧道局集团有限公司 | Shield constructs machine with telescopic ordinary pressure trades sword storehouse |
| CN110821506B (en) * | 2019-12-06 | 2020-11-24 | 中铁隧道局集团有限公司 | Shield constructs machine with telescopic ordinary pressure trades sword storehouse |
| CN111206940A (en) * | 2020-03-31 | 2020-05-29 | 中铁工程装备集团有限公司 | Knife interval arrangement device for normal-pressure knife disc |
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