CN202187776U - Single-blade hob device with square end covers for shield machine - Google Patents
Single-blade hob device with square end covers for shield machine Download PDFInfo
- Publication number
- CN202187776U CN202187776U CN 201120314795 CN201120314795U CN202187776U CN 202187776 U CN202187776 U CN 202187776U CN 201120314795 CN201120314795 CN 201120314795 CN 201120314795 U CN201120314795 U CN 201120314795U CN 202187776 U CN202187776 U CN 202187776U
- Authority
- CN
- China
- Prior art keywords
- end cap
- cutter
- hob
- blade
- right end
- 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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Abstract
The utility model discloses a single-blade hob device with square end covers for a shield machine. The single-blade hob device comprises a hob body, a hob shaft and a bearing, wherein a tool bit is mounted on the hob body; a left end cover and a right end cover are respectively arranged on the left side and the right side of the hob shaft; the parts of the left and the right end covers, which are used for fixing the single-blade hob device, adopt square cross sections; the four corners of each square cross section are round corners; and the left end cover is connected with the hob shaft through a bolt. As the cross sections of the left and the right end covers are square, the processing and the manufacture are easy, the cost is reduced, symmetry is achieved, and the use is more flexible. Moreover, as a dynamic seal ring is arranged between the cutter body and the left end cover as well as between the cutter body and the right end cover for sealing, the working reliability of the hob under various loads is guaranteed.
Description
Technical field
The utility model relates to the square end cap single-blade of a kind of shield machine hobboing cutter device.
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, in case run into complicated geology, hobboing cutter is stressed big, and is in for a long time and works in the muddy water medium and produce the problem of seal failure, and then hobboing cutter is damaged; The end cap shape of simultaneously present shield machine single-blade hobboing cutter device is also complicated, and processing cost is high.
The utility model content
The utility model provides the square end cap single-blade of a kind of shield machine hobboing cutter device; Work in the muddy water medium and produce seal failure to solve to be in for a long time at present; And then the problem that hobboing cutter is damaged, end cap shape, easy processing and manufacturing and on-the-spot use of simplifying shield machine single-blade hobboing cutter device simultaneously.
For realizing above-mentioned purpose, adopt following technical scheme:
The square end cap single-blade of a kind of shield machine hobboing cutter device; Comprise cutter hub, cutter shaft and bearing; On the said cutter hub cutter head is installed, the left and right sides of said cutter shaft is respectively arranged with left end cap and right end cap, and the cross sectional shape that is used for fixing single-blade hobboing cutter device part on the said left and right end cap is square; Said foursquare 4 angles are fillets, and left end cap and cutter shaft connect with bolt.
Be provided with dynamic seal between said cutter hub and the left and right end cap.
The beneficial effect of the utility model is: between cutter hub and left and right end cap, be provided with dynamic seal simultaneously sealing is provided, guarantee the reliability that hobboing cutter is worked under various loads.Compare with the hobboing cutter of other type, the square end cap single-blade of said shield machine hobboing cutter device has the better seal effect, because the cross sectional shape on the left and right end cap is a square; Be easy to processing and manufacturing; Reduce cost, because of it has symmetry, more flexible when installing and using.
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 the structural representation of the utility model left end cap;
Fig. 3 is the structural representation of the utility model right end cap.
Among the figure:
1, right end cap; 2, spacer ring; 3, dynamic seal; 4, bearing; 5, cutter head; 6, cutter hub; 7, left end cap; 8, bolt; 9, cutter shaft.
The specific embodiment
Shown in Fig. 1 to 3; Provide a specific embodiment of the utility model, among the figure, comprised cutter hub 6, cutter shaft 9, bearing 4 and spacer ring 2; On the said cutter hub 6 cutter head 5 is installed; The left and right sides of said cutter shaft 9 is respectively arranged with left end cap 7 and right end cap 1, and the cross section that is used for fixing single-blade hobboing cutter device part of said left end cap 7 and right end cap 1 is square, and foursquare 4 angles can be fillets.Left end cap 7 is connected with cutter shaft 9 usefulness bolts 8, and spacer ring 2 is installed between said two bearings 4; Cutter hub 6 is provided with dynamic seal 3 respectively and between left end cap 7 and the right end cap 1.
The utility model is equipped with spacer ring 2 between bearing 4, purpose is the end play that controllable shaft is held, and guarantees the reliability that hobboing cutter is worked under various loads; Left end cap 7 is connected with cutter shaft 9 usefulness bolts 8, has improved the rigidity of axle; Because left end cap 7 is square with right end cap 1 partial cross section, can be contained in the special cutter head of shield machine, compares with the hobboing cutter of other type, also has the big advantage of integral rigidity; Between cutter hub 6 and left end cap 7 and right end cap 1, be provided with dynamic seal 3, make said shield machine roller cutter device have the better seal effect, therefore have under complex geological conditions, hobboing cutter is difficult for producing the problem of seal failure.
Claims (2)
1. the square end cap single-blade of shield machine hobboing cutter device; Comprise cutter hub, cutter shaft and bearing, on the said cutter hub cutter head is installed, it is characterized in that; The left and right sides of said cutter shaft is respectively arranged with left end cap and right end cap; The cross sectional shape that is used for fixing single-blade hobboing cutter device part on the said left and right end cap is square, and said foursquare 4 angles are fillets, and left end cap and cutter shaft connect with bolt.
2. the square end cap single-blade of a kind of shield machine according to claim 1 hobboing cutter device is characterized in that, is provided with dynamic seal between said cutter hub and the left and right end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120314795 CN202187776U (en) | 2011-08-26 | 2011-08-26 | Single-blade hob device with square end covers for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120314795 CN202187776U (en) | 2011-08-26 | 2011-08-26 | Single-blade hob device with square end covers for shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202187776U true CN202187776U (en) | 2012-04-11 |
Family
ID=45919235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120314795 Expired - Fee Related CN202187776U (en) | 2011-08-26 | 2011-08-26 | Single-blade hob device with square end covers for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202187776U (en) |
-
2011
- 2011-08-26 CN CN 201120314795 patent/CN202187776U/en not_active Expired - Fee Related
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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: 20120411 |
|
| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20160623 Granted publication date: 20120411 |
|
| 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: 20120411 Termination date: 20150826 |