CN202228084U - Bearing support fixed type double-edge hob cutter with wear indicating function - Google Patents
Bearing support fixed type double-edge hob cutter with wear indicating function Download PDFInfo
- Publication number
- CN202228084U CN202228084U CN 201120340739 CN201120340739U CN202228084U CN 202228084 U CN202228084 U CN 202228084U CN 201120340739 CN201120340739 CN 201120340739 CN 201120340739 U CN201120340739 U CN 201120340739U CN 202228084 U CN202228084 U CN 202228084U
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- cutter
- blade
- axle bed
- rotating shaft
- edge
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Abstract
The utility model relates to a bearing support fixed type double-edge hob cutter with the wear indicating function, which comprises two single-edge cutter bodies connected by a rotating shaft in a penetrating manner, a middle end cover arranged between the two single-edge cutter bodies, fixed end covers arranged on the two sides, and positioning bearings arranged inside the two single-edge cutter bodies respectively. The double-edge hob cutter is fixed on two side bearing supports and a middle bearing support through the fixed end covers on the two sides and the middle end cover. The double-edge hob cutter is provided with a connecting oil transfer system which is communicated from the end part of the rotating shaft to the inner cavity of each cutter edge, and the oil transfer system is provided with a pressure meter or a pressure sensor. The bearing support-fixed double-edge hob cutter with the wear indicating function works reliably under different loads, and has the advantage of strong working stability and the wear indicating function.
Description
Technical field
The utility model relates to a kind of shield machine roller cutter, relates in particular to the twolip hobboing cutter of the fixed belt wear deixis of a kind of axle bed.
Background technology
Shield method is the job practices of in broken rock or soil layer, tunneling tunnel with protecting cover special machinery (being shield machine); The cutterhead of shield machine is provided with cutter; It mainly is the rotation that utilizes cutterhead; Rock, soil layer etc. are ditched, rolled and fragmentation etc. by cutter, hobboing cutter is simple in structure in the shield cutter, the broken cutter that the rock amount is big, efficiency of breaking rock is high, is mainly used in the fragmentation, hard rock; The single-blade disk cutter then with its simple structure, higher efficiency of breaking rock with than the long life characteristics, is widely used in the shield machine.Yet in present shield-tunneling construction engineering, the cutter easy abrasion will be changed often, simultaneously because the influence that cutter is vibrated is bigger, causes cutter to occur phenomenon loosening and that come off easily, therefore, needs fixed cutting tool better.Shield machine does not have the wearing and tearing Presentation Function with the twolip hobboing cutter, so just can accurately the twolip hobboing cutter that wear and tear not chosen, in order to guarantee efficiency of construction and quality; The general method of replacement in batch that adopts; Some twolip hobboing cutters that do not have to damage also have been replaced, and have so just caused the wasting of resources, need to propose a kind of twolip hobboing cutter with wearing and tearing Presentation Function; Reach when maintenance and only replace the twolip hobboing cutter that has worn and torn, keep the purpose of unworn twolip hobboing cutter.
The utility model content
The utility model provides the twolip hobboing cutter of the fixed belt wear deixis of a kind of axle bed, to solve present shield-tunneling construction with hobboing cutter fixing bad and the problem that does not have the wearing and tearing demonstration.
For realizing above-mentioned purpose, adopt following technical scheme:
The twolip hobboing cutter of the fixed belt wear deixis of a kind of axle bed; The two single-blade cutter hubs that comprise a rotating shaft cross-under; And be arranged on the location bearing that all is provided with in fixedly end cap and the two single-blade cutter hubs of middle end cap between the two single-blade cutter hubs, both sides; Said twolip hobboing cutter is fixed on both sides axle bed and the middle axle bed through the fixedly end cap and the middle end cap of both sides; Said twolip hobboing cutter is provided with a connection fuel transfer system that is communicated to the inner chamber of each blade from roller end, and said fuel transfer system is provided with pressure meter or pressure sensor.
For realizing the optimum efficiency of the utility model further, the centre position of said single-blade cutter hub is respectively arranged with an annular solid, and a pair of needle bearing is set respectively between said annular solid and the location bearing; Said annular solid is socketed in the rotating shaft; And can relatively rotate each other; Lock through key respectively between said annular solid and the single-blade cutter hub; The place, mating face of said annular solid and rotating shaft all is provided with dynamic seal, and said annular solid and single-blade cutter hub joint all are provided with the O RunddichtringO, and the blade of said single-blade cutter hub and cutter hub junction all are provided with the O RunddichtringO; Said inner chamber comprises a horizontal main line that is arranged on the rotating shaft center and arranges along axis direction, and said horizontal main line is provided with two oil transportation branch roads that are communicated to blade; Be respectively arranged with annular oil groove in said cutter hub and the rotating shaft.
The beneficial effect of the utility model is: owing to fixedly end cap and the middle end cap of said twolip hobboing cutter through both sides is fixed on both sides axle bed and the middle axle bed; The twolip hobboing cutter is fixed on three axle beds through end cap, has strengthened the stability of twolip hobboing cutter when construction greatly; Because said twolip hobboing cutter is provided with a connection fuel transfer system that is communicated to the inner chamber of each blade from roller end, said fuel transfer system is provided with pressure meter or pressure sensor, can find out the twolip hobboing cutter that has worn and torn accurately.
Description of drawings
According to embodiment and accompanying drawing the utility model is done further explain below.
Fig. 1 is the utility model general structure sketch map;
Fig. 2 is that the A-A of the utility model Fig. 1 is to sectional drawing.
Among the figure:
1, blade; 2, cutter hub; 3, location bearing; 4, rotating shaft; 5, axle bed; 6, vertical branch road; 7, horizontal main line; 8, union; 9, fuel transfer system; 10, pressure meter or pressure sensor; 11, annular solid; 12, dynamic seal; 13, O RunddichtringO; 14, key; 15 oil transportation holes; 16, annular oil groove; 17, fixing end cap; 18, annular oil groove; 19, needle bearing; 20, middle axle bed; 21, the bolt hole that is used for fixing hobboing cutter.
The specific embodiment
Shown in Fig. 1 to 2; Provided specific embodiment of twolip hobboing cutter of the fixed belt wear deixis of the described axle bed of the utility model; Among the figure; Comprise two single-blade cutter hubs 2 of rotating shaft 4 cross-under, and be arranged on the location bearing 3 that all is provided with in fixedly end cap 17 and the two single-blade cutter hubs 2 of middle end cap between the two single-blade cutter hubs 2, both sides; In axle bed 5, have the bolt hole 21 that is used for fixing the twolip hobboing cutter, the twolip hobboing cutter is fixed on both sides axle bed 5 and the middle axle bed 20 with middle end cap through the fixedly end cap 17 of both sides; The twolip hobboing cutter is provided with a connection fuel transfer system 9 that is communicated to the inner chamber of each blade from rotating shaft 4 ends, and fuel transfer system 9 is provided with pressure meter or pressure sensor 10.
For realizing the optimum efficiency of the utility model further, the centre position of single-blade cutter hub is respectively arranged with an annular solid 11, and a pair of needle bearing 19 is set respectively between annular solid 11 and the location bearing 3; Annular solid 11 is socketed in the rotating shaft 4; And can relatively rotate each other; Lock through key 14 respectively between annular solid 4 and the single-blade cutter hub 2; Annular solid 11 all is provided with dynamic seal 12 with the place, mating face of rotating shaft 4, and annular solid 4 all is provided with O RunddichtringO 13 with single-blade cutter hub 2 joints, and the blade 1 and cutter hub 2 junctions of single-blade cutter hub 2 all are provided with O RunddichtringO 13; Inner chamber comprises a horizontal main line 7 that is arranged on rotating shaft 4 centers and arranges along axis direction, and horizontal main line 7 is provided with two vertical branch roads 6 that are communicated to blade; Be respectively arranged with annular oil groove 16 in cutter hub 2 and the rotating shaft 4.Be provided with a plurality of oil transportations hole 15 in the blade 1, and be connected with the annular oil groove 16 of setting in the cutter hub 2, vertically branch road 6 is connected with the annular oil grooves 18 of setting in the rotating shaft 4; Fuel transfer system 9 makes horizontal main line of oily arrival 7 and vertical branch road 6 through union 8, when do not wear and tear in blade 1 place, can be well with oil seal in inner chamber; When wearing and tearing appear in blade 1 place; The leakage of oil situation will appear in hobboing cutter, because blade 1 inside has plural oil transportation hole, can directly learn the abrasion condition of different parts on blade 1 circumference; Fuel transfer system 9 is provided with pressure meter or pressure sensor 10; When wearing and tearing appear in blade 1 place, can find out intuitively that the pressure of inner chamber changes, have wearing and tearing and show advantage accurately; Through a pair of needle bearing 19 that between annular solid 11 and location bearing 3, is provided with respectively, and be arranged symmetrically in the left and right sides of annular solid 11, the end play of controlled formulation position bearing 3.
Therefore the twolip hobboing cutter of the fixed belt wear deixis of the described axle bed of the utility model guarantees the reliability that hobboing cutter is worked under various loads, has the function of strong advantage of job stability and wearing and tearing indication.
Claims (5)
1. the twolip hobboing cutter of the fixed belt wear deixis of axle bed; The two single-blade cutter hubs that comprise a rotating shaft cross-under; And be arranged on the location bearing that all is provided with in fixedly end cap and the two single-blade cutter hubs of middle end cap between the two single-blade cutter hubs, both sides; It is characterized in that: said twolip hobboing cutter is fixed on both sides axle bed and the middle axle bed through the fixedly end cap and the middle end cap of both sides; Said twolip hobboing cutter is provided with a connection fuel transfer system that is communicated to the inner chamber of each blade from roller end, and said fuel transfer system is provided with pressure meter or pressure sensor.
2. the twolip hobboing cutter of the fixed belt wear deixis of a kind of axle bed according to claim 1; It is characterized in that: the centre position of said single-blade cutter hub is respectively arranged with an annular solid, and a pair of needle bearing is set respectively between said annular solid and the location bearing.
3. according to the twolip hobboing cutter of the fixed belt wear deixis of a kind of axle bed shown in claim 1 or 2; It is characterized in that: said annular solid is socketed in the rotating shaft; And can relatively rotate each other, respectively through key locking, the place, mating face of said annular solid and rotating shaft all is provided with dynamic seal between said annular solid and the single-blade cutter hub; Said annular solid and single-blade cutter hub joint all are provided with the O RunddichtringO, and the blade of said single-blade cutter hub and cutter hub junction all are provided with the O RunddichtringO.
4. the twolip hobboing cutter of the fixed belt wear deixis of a kind of axle bed according to claim 1; It is characterized in that: said inner chamber comprises a horizontal main line that is arranged on the rotating shaft center and arranges along axis direction, and said horizontal main line is provided with two oil transportation branch roads that are communicated to blade.
5. the twolip hobboing cutter of the fixed belt wear deixis of a kind of axle bed according to claim 1 is characterized in that: be respectively arranged with annular oil groove in said cutter hub and the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120340739 CN202228084U (en) | 2011-09-13 | 2011-09-13 | Bearing support fixed type double-edge hob cutter with wear indicating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120340739 CN202228084U (en) | 2011-09-13 | 2011-09-13 | Bearing support fixed type double-edge hob cutter with wear indicating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202228084U true CN202228084U (en) | 2012-05-23 |
Family
ID=46078672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120340739 Expired - Fee Related CN202228084U (en) | 2011-09-13 | 2011-09-13 | Bearing support fixed type double-edge hob cutter with wear indicating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202228084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265309A (en) * | 2014-09-20 | 2015-01-07 | 无锡市翱宇特新科技发展有限公司 | Shield end cover fixed type multi-blade hobbing cutter |
-
2011
- 2011-09-13 CN CN 201120340739 patent/CN202228084U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265309A (en) * | 2014-09-20 | 2015-01-07 | 无锡市翱宇特新科技发展有限公司 | Shield end cover fixed type multi-blade hobbing cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20151223 Granted publication date: 20120523 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160623 Granted publication date: 20120523 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20150913 |