CN204140083U - A kind of core pack arrangement hobboing cutter - Google Patents
A kind of core pack arrangement hobboing cutter Download PDFInfo
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- CN204140083U CN204140083U CN201420599423.5U CN201420599423U CN204140083U CN 204140083 U CN204140083 U CN 204140083U CN 201420599423 U CN201420599423 U CN 201420599423U CN 204140083 U CN204140083 U CN 204140083U
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- cutter
- shaft
- ring
- hobboing cutter
- hobboing
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Abstract
A kind of core pack arrangement hobboing cutter, comprise cutter shaft, cutter hub, cutter ring and end cap, the center position of cutter shaft arranges the shaft shoulder, the bilateral symmetry of the shaft shoulder is provided with step, cutter shaft runs through cutter hub, shaft shoulder both sides arrange described thrust bearing respectively, arrange described cylinder roller bearing between thrust bearing and step; The utility model core pack arrangement hobboing cutter adopts cylinder roller bearing and thrust bearing to instead of the bearing of traditional approach, the radial supporting capacity of hobboing cutter is increased by the quantity increasing cylindrical roller, the axial carrying capacity of hobboing cutter is increased by thrust bearing, correspondingly increase the supporting capacity of hobboing cutter entirety, enhance the abrasion resistance of hobboing cutter, extend the application life of hobboing cutter.
Description
Technical field
The utility model relates to a kind of core pack arrangement hobboing cutter, belongs to mine mechanism technical field.
Background technology
China is a mountainous terrain country, and the excavation in tunnel can shorten path length effectively, TBM tunnel machine, is utilize rotating tool to excavate, and country rock and driving in broken hole, form a kind of novel, the advanced tunnel construction machinery of whole tunnel cross-section simultaneously; Relative to method conventional at present, TBM integrates brill, driving, supporting, uses the new and high technologies such as electronics, information, remote measurement, remote control to guide whole operation and monitor, makes tunneling process be in optimum state all the time.In the world, now be widely used in the engineerings such as water conservancy and hydropower, mining, traffic, municipal administration, national defence, in tunnelling process, the cutter used affects construction progress to a great extent, and hobboing cutter is as the pith of TBM cutter, also be the easily worn part of TBM use procedure, the application life of hobboing cutter and replacement frequency directly affect the driving speed of TBM, thus along with the development of TBM, study a kind of supporting capacity large, high abrasion, the New Kind of Hob of long service life becomes the Main way of hobboing cutter research.
Chinese patent literature CN101672184A discloses a kind of full face rock tunnel boring machine hobboing cutter rice font structure, this technical scheme mainly adopts meter font structure method for arranging and coevolution method to determine the position of positive hobboing cutter and limit hobboing cutter, its objective is and solve the position of hobboing cutter on cutterhead, and then meet cutterhead overall technology performance indications.But this technical scheme does not make improvement to the supporting capacity of hobboing cutter, abrasion resistance.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of core pack arrangement hobboing cutter.
The technical solution of the utility model is as follows:
A kind of core pack arrangement hobboing cutter, comprise cutter shaft, cutter hub, cutter ring and end cap, the center position of described cutter shaft arranges the shaft shoulder, the bilateral symmetry of the described shaft shoulder is provided with step, described cutter shaft runs through cutter hub, arrange thrust bearing and cylinder roller bearing between described cutter shaft and cutter hub, described shaft shoulder both sides arrange described thrust bearing respectively, arrange described cylinder roller bearing between described thrust bearing and step;
The inner opposite end of described cutter hub arranges boss, the lateral ends of described cutter hub arranges boss and the other end arranges groove, be provided with back-up ring in described groove, the cutter ring described in the arranged outside of described cutter hub, the side of described cutter ring contacts with boss and opposite side contacts with back-up ring;
The two ends of described cutter shaft arrange described end cap respectively, arrange locking nut between described end cap and cutter hub, arrange locking nut between described end cap and cutter shaft.
Preferably, floating seal assembly is provided with between described end cap and cutter shaft.Benefit of this design is, floating seal assembly can ensure that floating ring all the time and keep best seal clearance between rotating shaft, and multi-sealed technology and powerful oil film tension force effectively can stop the leakage of sealing medium.
Preferably, between described cutter hub and cylinder roller bearing, be provided with O RunddichtringO, between described end cap and cutter shaft, be provided with O RunddichtringO.The object of this design is, the O RunddichtringO of increase mainly plays sealing function, prevents leakage of oil.
Preferably, described cutter ring is the integral type cutter ring of inserted cutter ring or not embedded alloy.In actual job process, cutter ring can be single-blade or multiple-cutting-edge cutter ring according to actual job ambient As, to meet different user demands.
Preferably, between described cutter hub and locking nut, be provided with thrust pin, between described locking nut and cutter shaft, be provided with thrust pin.
The beneficial effects of the utility model are:
1. the utility model core pack arrangement hobboing cutter adopts cylinder roller bearing and thrust bearing to instead of the bearing of traditional approach, the radial supporting capacity of hobboing cutter is increased by the quantity increasing cylindrical roller, increased the axial carrying capacity of hobboing cutter by thrust bearing, correspondingly increase the supporting capacity of hobboing cutter entirety.
2. in the utility model, the endoporus side of cutter hub is provided with step, and opposite side installs the cylinder roller bearing that locking nut fixes both sides; The external diameter side of cutter hub arranges step, and the back-up ring arranged with opposite side matches, and effectively tool setting can enclose retaining effect, enhance the stability of cutter ring in use procedure, extend the application life of hobboing cutter.
3. in the utility model, cutter shaft is set to centrosymmetric structure, center arranges the shaft shoulder, thrust bearing is placed in shaft shoulder both sides, the axial force that carrying thrust bearing transmits, the left and right sides arranges step, place cylindrical roller between centers and step, this design changes the project organization of traditional hobboing cutter inner core, embodies the advantage of New-core pack arrangement hobboing cutter.
4. the design concept of the utility model core pack arrangement hobboing cutter is ingenious, and obviously, Be very effective, has good economic benefit and using value in effect.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of the utility model core pack arrangement hobboing cutter;
Fig. 2 is the structure right view of the utility model core pack arrangement hobboing cutter;
Wherein: 1, the inserted cutter ring of three swords, 2, cutter hub, 3, end cap, 4, cutter shaft, 5, floating seal assembly, 6, locking nut, 7, overcoat, 8, back-up ring, 9, O-ring seals, 10, cylindrical roller, 11, O-ring seals, 12, thrust bearing, 13, retaining pin, 14, carbide alloy, 15, retaining pin, 16, the shaft shoulder, 17, step.
Detailed description of the invention
Also by reference to the accompanying drawings the utility model is described further below by embodiment, but is not limited thereto.
Embodiment 1:
A kind of core pack arrangement hobboing cutter, comprise cutter shaft 4, the inserted cutter ring 1 of cutter hub 2, three sword and end cap 3, the center position of cutter shaft 4 arranges the shaft shoulder 16, the bilateral symmetry of the shaft shoulder 16 is provided with step 17, cutter shaft 4 runs through cutter hub 2, arranges thrust bearing 12 and cylinder roller bearing between cutter shaft 4 and cutter hub 2, and cylinder roller bearing is made up of cylindrical roller 10 and overcoat 7, the shaft shoulder 16 both sides arrange described thrust bearing 12 respectively, arrange described cylinder roller bearing between thrust bearing 12 and step 17;
The inner opposite end of cutter hub 2 arranges boss, the lateral ends of cutter hub 2 arranges boss and the other end arranges groove, be provided with back-up ring 8 in described groove, the side of the inserted cutter ring 1 of three sword inserted cutter ring 1, three swords described in the arranged outside of cutter hub 2 contacts with boss and opposite side contacts with back-up ring 8; Back-up ring effectively tool setting can enclose retaining effect, can guarantee that the position of cutter ring immobilizes, and ensures cutter ring stability in use.
The two ends of cutter shaft 4 arrange described end cap 3 respectively, be provided with locking nut 6, arrange locking nut between end cap 3 and cutter shaft 4 between end cap 3 and cutter hub 2.
In addition, floating seal assembly 5 is provided with between end cap 3 and cutter shaft 4.Floating seal assembly can ensure that floating ring all the time and keep best seal clearance between rotating shaft, and multi-sealed technology and powerful oil film tension force effectively can stop the leakage of sealing medium.
Embodiment 2:
A kind of core pack arrangement hobboing cutter, as described in Example 1, its difference is structure, is provided with O RunddichtringO 9, is provided with O RunddichtringO 11 between end cap 3 and cutter shaft 4 between cutter hub 2 and cylinder roller bearing.The O RunddichtringO increased mainly plays sealing function, prevents leakage of oil.
Embodiment 3:
A kind of core pack arrangement hobboing cutter, as described in Example 1, its difference is structure, and cutter ring is the integral type cutter ring of not embedded alloy.In actual job process, cutter ring can be single-blade or multiple-cutting-edge cutter ring according to actual job ambient As.Be provided with thrust pin 13 between cutter hub 2 and locking nut 6, be provided with thrust pin 15 between locking nut and cutter shaft 4, thrust pin effectively can prevent loosening of locking nut and end cap.
The using method of this core pack arrangement hobboing cutter: described hobboing cutter is arranged on cutterhead, in the cutterhead course of work, when cutter ring contact rock is subject to external force, footpath outward force is delivered on cylinder roller bearing, cylinder roller bearing bears the radial supporting capacity that footpath outward force increases hobboing cutter entirety, axial force is delivered on thrust bearing, and thrust bearing bears the axial carrying capacity that axial force increases hobboing cutter.In TBM tunnel machine actual job process, be arranged on by hobboing cutter on TBM tunnel machine cutterhead, the core pack arrangement hobboing cutter described in utilizing when cutterhead operation excavates tunnel.
Claims (5)
1. a core pack arrangement hobboing cutter, it is characterized in that, comprise cutter shaft, cutter hub, cutter ring and end cap, the center position of described cutter shaft arranges the shaft shoulder, the bilateral symmetry of the described shaft shoulder is provided with step, and described cutter shaft runs through cutter hub, arranges thrust bearing and cylinder roller bearing between described cutter shaft and cutter hub, described shaft shoulder both sides arrange described thrust bearing respectively, arrange described cylinder roller bearing between described thrust bearing and step;
The inner opposite end of described cutter hub arranges boss, the lateral ends of described cutter hub arranges boss and the other end arranges groove, be provided with back-up ring in described groove, the cutter ring described in the arranged outside of described cutter hub, the side of described cutter ring contacts with boss and opposite side contacts with back-up ring;
The two ends of described cutter shaft arrange described end cap respectively, arrange locking nut between described end cap and cutter hub, arrange locking nut between described end cap and cutter shaft.
2. core pack arrangement hobboing cutter as claimed in claim 1, is characterized in that, be provided with floating seal assembly between described end cap and cutter shaft.
3. core pack arrangement hobboing cutter as claimed in claim 1 or 2, is characterized in that, be provided with O RunddichtringO between described cutter hub and cylinder roller bearing, be provided with O RunddichtringO between described end cap and cutter shaft.
4. core pack arrangement hobboing cutter as claimed in claim 3, is characterized in that, described cutter ring is the integral type cutter ring of inserted cutter ring or not embedded alloy.
5. core pack arrangement hobboing cutter as claimed in claim 1 or 2, is characterized in that, be provided with thrust pin between described cutter hub and locking nut, be provided with thrust pin between described locking nut and cutter shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599423.5U CN204140083U (en) | 2014-10-16 | 2014-10-16 | A kind of core pack arrangement hobboing cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599423.5U CN204140083U (en) | 2014-10-16 | 2014-10-16 | A kind of core pack arrangement hobboing cutter |
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| Publication Number | Publication Date |
|---|---|
| CN204140083U true CN204140083U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420599423.5U Active CN204140083U (en) | 2014-10-16 | 2014-10-16 | A kind of core pack arrangement hobboing cutter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265320A (en) * | 2014-10-16 | 2015-01-07 | 山东天工岩土工程设备有限公司 | Core bag structure hobbing cutter, and use method as well as application thereof |
| CN107740695A (en) * | 2017-10-25 | 2018-02-27 | 常德市中天精密工具有限公司 | A kind of novel shield hobboing cutter |
| CN107939410A (en) * | 2017-12-26 | 2018-04-20 | 中铁工程装备集团有限公司 | A kind of integral type cutter ring hobboing cutter |
| CN110529133A (en) * | 2019-10-08 | 2019-12-03 | 西南交通大学 | A kind of TBM disk cutter of cutter ring excircle fluting |
-
2014
- 2014-10-16 CN CN201420599423.5U patent/CN204140083U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265320A (en) * | 2014-10-16 | 2015-01-07 | 山东天工岩土工程设备有限公司 | Core bag structure hobbing cutter, and use method as well as application thereof |
| CN107740695A (en) * | 2017-10-25 | 2018-02-27 | 常德市中天精密工具有限公司 | A kind of novel shield hobboing cutter |
| CN107740695B (en) * | 2017-10-25 | 2019-04-02 | 常德市中天精密工具有限公司 | A kind of novel shield hobboing cutter |
| CN107939410A (en) * | 2017-12-26 | 2018-04-20 | 中铁工程装备集团有限公司 | A kind of integral type cutter ring hobboing cutter |
| CN110529133A (en) * | 2019-10-08 | 2019-12-03 | 西南交通大学 | A kind of TBM disk cutter of cutter ring excircle fluting |
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