CN206487482U - A kind of compact center duplex hobboing cutter - Google Patents
A kind of compact center duplex hobboing cutter Download PDFInfo
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- CN206487482U CN206487482U CN201720068078.6U CN201720068078U CN206487482U CN 206487482 U CN206487482 U CN 206487482U CN 201720068078 U CN201720068078 U CN 201720068078U CN 206487482 U CN206487482 U CN 206487482U
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- end cap
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Abstract
The utility model discloses a kind of compact center duplex hobboing cutter, including end-cap assembly and cutter shaft, end-cap assembly includes left end cap, middle end cap and the right end cap being set up in parallel, cutter shaft is vertically mounted between left end cap, middle end cap and right end cap and is bolted on left end cap, hob assembly is arranged with cutter shaft on cutter shaft between left end cap and middle end cap between middle end cap and right end cap respectively, hob assembly includes floating seal ring, cutter ring, bearing and knife hub；Bearing is set on cutter shaft, and is provided with floating seal ring between bearing and adjacent end cap；Knife hub sleeve is located on bearing, and cutter ring is set on knife hub.The utility model uses improved bearing, and bearing outer ring widens, and milled processed is passed through on surface, and finish is high, and with floating seal becket phase lapping-in, form single sealing system.And compared with Traditional center duplex hobboing cutter, knife spacing reduces between two blades, rock breaking efficiency is good.
Description
Technical field
A kind of shield cutter technical field that the utility model belongs in underground engineering application, and in particular to compact center
Duplex hobboing cutter.
Background technology
21 century is the century of underground space great development, the tunnel construction day such as city underground, water conservancy and hydropower, highway, railway
Benefit increases, and shield is safely and fast waited many advantages with it and gradually popularized as the professed machine of tunnel excavation.In lithostratigraphy
, it is necessary to carry out broken rock by center duplex hobboing cutter in tunnel excavation, but in some places, conventional use of center duplex hobboing cutter
Two cutter ring gaps are larger, and rock breaking capacity is weaker, and sealing structure is comparatively laborious.
Utility model content
To be solved in the utility model is that knife spacing is big between the former cutter ring of center duplex hobboing cutter two, and rock breaking capacity is less to ask
Topic, so as to propose a kind of compact center duplex hobboing cutter, reduces the gap of cutter ring, improves the rock breaking capacity of central hob, moreover,
Floating seal ring is directly engaged with outer race, simplifies the sealing structure form of original hobboing cutter.
In order to solve the above technical problems, the technical scheme that the utility model is used is as follows：
A kind of compact center duplex hobboing cutter, including end-cap assembly and cutter shaft, the end-cap assembly include left end cap, middle-end
Lid and right end cap, left end cap, middle end cap and right end cap are set up in parallel, and cutter shaft is vertically mounted on left end cap, middle end cap and right end cap
Between and be bolted on left end cap, on the cutter shaft between left end cap and middle end cap and between middle end cap and right end cap
Cutter shaft on be arranged with hob assembly respectively, the hob assembly includes floating seal ring, cutter ring, bearing and knife hub；Bearing holder (housing, cover)
It is located on cutter shaft, and floating seal ring is provided between bearing and adjacent end cap；Knife hub sleeve is located on bearing, and cutter ring is set in knife
On hub.
The hob assembly includes the first hob assembly and the second hob assembly, and first hob assembly includes first and floated
Dynamic seal ring, the first cutter ring, the first left bearing, the first right bearing and the first knife hub；First left bearing and the first right bearing are parallel
It is set on cutter shaft, and the first floating seal ring is provided between the left side of the first left bearing and the right side of left end cap, the
The left side of one right bearing and middle end cap is provided with the first floating seal ring；First knife hub sleeve is located at the first left bearing and first right side
On bearing, the first cutter ring is set on the first knife hub；Second hob assembly include the second floating seal ring, the second cutter ring,
Second left bearing, the second right bearing and the second knife hub；Second left bearing and the second right bearing is parallel is set on cutter shaft, and second
A left side for the second floating seal ring, the second right bearing and right end cap is provided between the left side of left bearing and the right side of middle end cap
End face is provided with the second floating seal ring；Second knife hub sleeve is located on the second left bearing and the second right bearing, and the second cutter ring is arranged
On the second knife hub.
Be respectively arranged between the first left bearing and the first right bearing, between the second left bearing and the second right bearing every
Circle, spacer ring is set on cutter shaft.
Back-up ring is respectively arranged between the first cutter ring and the first knife hub, between the second cutter ring and the second knife hub.
The left side of the left end cap is provided with holding tank I, and holding tank I is engaged with the first right bearing；On left end cap
It is provided with cutter shaft hole I and oil filler point, cutter shaft hole I and oil filler point are parallel and vertical with holding tank I respectively communicate.
The left side of the middle end cap is provided with holding tank II, and holding tank II is engaged with the first right bearing；In middle end cap
Right side be provided with holding tank III, holding tank III is engaged with the second left bearing；Middle-end, which is covered, is provided with cutter shaft hole II, cutter shaft
Hole II is communicated with holding tank II and holding tank III.
The left side of the right end cap is provided with holding tank IV, and holding tank IV is engaged with the second right bearing, on right end cap
Cutter shaft hole III communicated with holding tank IV.
Spacing between first cutter ring and the second cutter ring is 180mm.Compared with Traditional center duplex hobboing cutter, two blades
Between knife spacing reduce, rock breaking efficiency is good.
The size of the cutter ring is 19 cun.Its wear-resisting limiting quantity is increased, number of changing knife is reduced.
The utility model uses improved bearing, and compared with same model bearing, bearing outer ring is widened, and surface is by grinding
Reason, finish is high, and with floating seal becket phase lapping-in, form single sealing system, the operation to mounting plate and workman
Level requirement is high.And compared with Traditional center duplex hobboing cutter, knife spacing reduces between two blades, rock breaking efficiency is good；With routine
Center duplex hobboing cutter is compared, and the utility model entirety axial dimension is greatly reduced, and adds the stability of center girff.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model left end cap.
Fig. 3 is the structural representation of end cap in the utility model.
Fig. 4 is the structural representation of the utility model right end cap.
Embodiment
As Figure 1-4, a kind of compact center duplex hobboing cutter, including end-cap assembly and cutter shaft 1, the end-cap assembly bag
Left end cap 2, middle end cap 3 and right end cap 4 are included, left end cap 2, middle end cap 3 and right end cap 4 are set up in parallel, and cutter shaft 1 is vertically mounted on a left side
Between end cap 2, middle end cap 3 and right end cap 4 and it is bolted on left end cap 2.
The left side of the left end cap 2 is provided with holding tank I 2-1, the 2-1 of holding tank I and is engaged with the first right bearing 7；
Be provided with the 2-2 of cutter shaft hole I and oil filler point 2-3 on left end cap 2, the 2-2 of cutter shaft hole I and oil filler point 2-3 it is parallel and respectively with receiving
The 2-1 of groove I is vertically communicated.
The left side of the middle end cap 3 is provided with holding tank II 3-1, the 3-1 of holding tank II and is engaged with the first right bearing 8；
Holding tank III 3-2, the 3-2 of holding tank III is provided with the right side of middle end cap 3 to be engaged with the second left bearing 12；On middle end cap 3
It is provided with the 3-3 of cutter shaft hole II, the 3-3 of cutter shaft hole II and the 3-1 of holding tank II and the 3-2 of holding tank III is communicated.
The left side of the right end cap 4 is provided with holding tank IV 4-1, the 4-1 of holding tank IV and is engaged with the second right bearing 13,
The 4-2 of cutter shaft hole III on right end cap 4 is communicated with the 4-1 of holding tank IV.
Covered respectively on cutter shaft 1 between left end cap 2 and middle end cap 3 and on the cutter shaft 1 between middle end cap 3 and right end cap 4
Provided with hob assembly, the hob assembly includes floating seal ring, cutter ring, bearing and knife hub；Bearing is set on cutter shaft 1, and
Floating seal ring is provided between bearing and adjacent end cap；Knife hub sleeve is located on bearing, and cutter ring is set on knife hub.The cutter ring
Size be 19 cun.Its wear-resisting limiting quantity is increased, number of changing knife is reduced.
Specifically, the hob assembly includes the first hob assembly and the second hob assembly, the first hob assembly bag
Include the first floating seal ring 5, the first cutter ring 6, the first left bearing 7, the first right bearing 8 and the first knife hub 9；The He of first left bearing 7
First right bearing 8 is parallel to be set on cutter shaft 1, and is provided between the left side of the first left bearing 7 and the right side of left end cap 2
First floating seal ring 5, the left side of the first right bearing 8 and middle end cap 3 is provided with the first floating seal ring 5；First 9 sets of knife hub
It is located on the first left bearing 7 and the first right bearing 8, the first cutter ring 6 is set on the first knife hub 9；The second hob assembly bag
Include the second floating seal ring 10, the second cutter ring 11, the second left bearing 12, the second right bearing 13 and the second knife hub 14；Second left axle
Hold 12 it is parallel with the second right bearing 13 be set on cutter shaft 1, and the left side of the second left bearing 12 and middle end cap 3 right side it
Between be provided with the second floating seal ring 10, the left side of the second right bearing 13 and right end cap 4 is provided with the second floating seal ring 10；
Second knife hub 14 is set on the second left bearing 12 and the second right bearing 13, and the second cutter ring 11 is set on the second knife hub 14.
Preferably, between the first left bearing 7 and the first right bearing 8, between the second left bearing 12 and the second right bearing 13
Spacer ring 15 is respectively arranged with, spacer ring 15 is set on cutter shaft 1.
It is further preferred that between the first cutter ring 6 and the first knife hub 9, between the second cutter ring 11 and the second knife hub 14 point
Back-up ring 16 is not provided with.
Particularly, the spacing between the cutter ring 11 of the first cutter ring 6 and second is 180mm.With Traditional center duplex hobboing cutter
Compare, knife spacing reduces between two blades, rock breaking efficiency is good.
Claims (9)
1. a kind of compact center duplex hobboing cutter, it is characterised in that：Including end-cap assembly and cutter shaft（1）, the end-cap assembly bag
Include left end cap（2）, middle end cap（3）And right end cap（4）, left end cap（2）, middle end cap（3）And right end cap（4）It is set up in parallel, cutter shaft
（1）It is vertically mounted on left end cap（2）, middle end cap（3）And right end cap（4）Between and be bolted on left end cap（2）On,
Left end cap（2）With middle end cap（3）Between cutter shaft（1）Upper and middle end cap（3）And right end cap（4）Between cutter shaft（1）Upper difference
Hob assembly is arranged with, the hob assembly includes floating seal ring, cutter ring, bearing and knife hub；Bearing is set in cutter shaft（1）
On, and it is provided with floating seal ring between bearing and adjacent end cap；Knife hub sleeve is located on bearing, and cutter ring is set on knife hub.
2. a kind of compact center duplex hobboing cutter according to claim 1, it is characterised in that：The hob assembly includes the
One hob assembly and the second hob assembly, first hob assembly include the first floating seal ring（5）, the first cutter ring（6）,
One left bearing（7）, the first right bearing（8）With the first knife hub（9）；First left bearing（7）With the first right bearing（8）It is parallel to be set in
Cutter shaft（1）On, and the first left bearing（7）Left side and left end cap（2）Right side between be provided with the first floating seal ring
（5）, the first right bearing（8）With middle end cap（3）Left side be provided with the first floating seal ring（5）；First knife hub（9）It is set in
First left bearing（7）With the first right bearing（8）On, the first cutter ring（6）It is set in the first knife hub（9）On；The second hobboing cutter group
Part includes the second floating seal ring（10）, the second cutter ring（11）, the second left bearing（12）, the second right bearing（13）With the second knife hub
（14）；Second left bearing（12）With the second right bearing（13）It is parallel to be set in cutter shaft（1）On, and the second left bearing（12）Left end
Face and middle end cap（3）Right side between be provided with the second floating seal ring（10）, the second right bearing（13）With right end cap（4）'s
Left side is provided with the second floating seal ring（10）；Second knife hub（14）It is set in the second left bearing（12）With the second right bearing
（13）On, the second cutter ring（11）It is set in the second knife hub（14）On.
3. a kind of compact center duplex hobboing cutter according to claim 2, it is characterised in that：In the first left bearing（7）With
First right bearing（8）Between, the second left bearing（12）With the second right bearing（13）Between be respectively arranged with spacer ring（15）, spacer ring
（15）It is set in cutter shaft（1）On.
4. a kind of compact center duplex hobboing cutter according to claim 2, it is characterised in that：In the first cutter ring（6）With
One knife hub（9）Between, the second cutter ring（11）With the second knife hub（14）Between be respectively arranged with back-up ring（16）.
5. a kind of compact center duplex hobboing cutter according to claim 1 or 2, it is characterised in that：The left end cap（2）'s
Left side is provided with holding tank I（2-1）, holding tank I（2-1）With the first right bearing（7）It is engaged；In left end cap（2）It is upper to set
There is cutter shaft hole I（2-2）And oil filler point（2-3）, cutter shaft hole I（2-2）And oil filler point（2-3）It is parallel and respectively with holding tank I（2-
1）Vertically communicate.
6. a kind of compact center duplex hobboing cutter according to claim 1 or 2, it is characterised in that：The middle end cap（3）'s
Left side is provided with holding tank II（3-1）, holding tank II（3-1）With the first right bearing（8）It is engaged；In middle end cap（3）The right side
End face is provided with holding tank III（3-2）, holding tank III（3-2）With the second left bearing（12）It is engaged；Middle end cap（3）On be provided with
Cutter shaft hole II（3-3）, cutter shaft hole II（3-3）With holding tank II（3-1）With holding tank III（3-2）Communicate.
7. a kind of compact center duplex hobboing cutter according to claim 1 or 2, it is characterised in that：The right end cap（4）'s
Left side is provided with holding tank IV（4-1）, holding tank IV（4-1）With the second right bearing（13）It is engaged, right end cap（4）On knife
Axis hole III（4-2）With holding tank IV（4-1）Communicate.
8. a kind of compact center duplex hobboing cutter according to claim 2, it is characterised in that：First cutter ring（6）With
Second cutter ring（11）Between spacing be 180mm.
9. a kind of compact center duplex hobboing cutter according to claim 1, it is characterised in that：The size of the cutter ring is 19
It is very little.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720068078.6U CN206487482U (en) | 2017-01-20 | 2017-01-20 | A kind of compact center duplex hobboing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720068078.6U CN206487482U (en) | 2017-01-20 | 2017-01-20 | A kind of compact center duplex hobboing cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487482U true CN206487482U (en) | 2017-09-12 |
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ID=59766727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720068078.6U Active CN206487482U (en) | 2017-01-20 | 2017-01-20 | A kind of compact center duplex hobboing cutter |
Country Status (1)
| Country | Link |
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| CN (1) | CN206487482U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454181A (en) * | 2019-09-11 | 2019-11-15 | 中铁工程装备集团有限公司 | A kind of cutter head of shield machine of variable cutter spacing |
| CN111206939A (en) * | 2020-02-20 | 2020-05-29 | 浙江鼎昊新能源设备股份有限公司 | Shield tunneling machine cutter head applied to multi-rock environment |
| CN113431591A (en) * | 2021-07-28 | 2021-09-24 | 广州市力劲机电有限公司 | External oil-filled shield hobbing cutter |
-
2017
- 2017-01-20 CN CN201720068078.6U patent/CN206487482U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454181A (en) * | 2019-09-11 | 2019-11-15 | 中铁工程装备集团有限公司 | A kind of cutter head of shield machine of variable cutter spacing |
| CN110454181B (en) * | 2019-09-11 | 2021-05-28 | 中铁工程装备集团有限公司 | Shield tunneling machine cutter head with variable cutter spacing |
| CN111206939A (en) * | 2020-02-20 | 2020-05-29 | 浙江鼎昊新能源设备股份有限公司 | Shield tunneling machine cutter head applied to multi-rock environment |
| CN111206939B (en) * | 2020-02-20 | 2022-02-11 | 浙江鼎昊新能源设备股份有限公司 | Shield tunneling machine cutter head applied to multi-rock environment |
| CN113431591A (en) * | 2021-07-28 | 2021-09-24 | 广州市力劲机电有限公司 | External oil-filled shield hobbing cutter |
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