CN2609696Y - Ring cutting saw - Google Patents
Ring cutting saw Download PDFInfo
- Publication number
- CN2609696Y CN2609696Y CN 03240835 CN03240835U CN2609696Y CN 2609696 Y CN2609696 Y CN 2609696Y CN 03240835 CN03240835 CN 03240835 CN 03240835 U CN03240835 U CN 03240835U CN 2609696 Y CN2609696 Y CN 2609696Y
- Authority
- CN
- China
- Prior art keywords
- saw
- eccentric
- saw blade
- base
- cutting
- 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
A ring-shaped saw which can cut conduit in narrower place. A saw bow and a saw blade are ring-shaped, saw teeth are on inner side of the saw blade circular ring, and the saw blade is fixed on inner side of the saw bow. Both saw blade and saw bow are composed of at least two parts, which can be detached, in order to sheath conduit needed to cut in the middle. The cast-cutting saw is driven by a motor through a gear cluster, and a driven gear of the gear cluster is processed outside the saw bow.
Description
Affiliated technical field
The utility model relates to a kind of annular cast-cutting saw that is used to cut pipeline etc.
Technical background
The saw blade of the various cast-cutting saws that use all is linear or disc (sawtooth outside) basically at present, owing to be subjected to saw bow, the isostructural restriction in transmission device installation site, will be in some spaces narrower and small place is with pipeline (mainly being large pipeline) when sawed-off, be very limited, be difficult to operation.
Summary of the invention
Be subjected to saw bow, the isostructural restriction in transmission device installation site and deficiency in order to overcome existing various saw, the utility model provides a structure band saw, it can cut pipeline (particularly large pipeline) in narrower and small place in some spaces, it is little influenced by ambient conditions, can operate in the place that many other cast-cutting saws can't use.
The technical scheme that its technical problem that solves the utility model adopts is: saw frame, saw blade are designed to annular, and sawtooth is in saw blade annulus inboard, and saw blade is fixed on the inboard of saw frame, and saw blade, saw frame all are made of two parts at least.By gear set drive, just processing is in the outside of saw frame for the driven gear of gear train by power-equipment for cast-cutting saw, and power can be provided by motor, pneumatic equipment, hydraulic test, and best mode is to provide power by motor.During operation, earlier saw blade, saw frame are taken into apart several parts, pipeline is enclosed within the middle of the saw blade then, after saw blade, saw frame assembled, drive saw blade, saw frame around the pipeline rotation by power-equipment (main motor) by transmission device (gear train), simultaneously, Auxiliary Power Unit (auxiliary motor) drives eccentric wheel and rotates, gear train, saw blade, saw frame etc. are made eccentric circular motion with respect to steel pipe, sawtooth just can contact and cut tube wall in the motion, and the contact point of sawtooth and tube wall along the circumferential direction moves, and moves like this once week and whole pipe can be cut.And by the distance of eccentric shaft and central shaft on the adjusting eccentric wheel, the degree of depth that just can regulate cutting is to adapt to the pipeline of different wall.
The beneficial effects of the utility model are, the place cutting pipeline (particularly large pipeline) that this ring-like cast-cutting saw is can be in some spaces narrower and small, thus avoid having that oil, gas etc. are flammable, using flame cutting method such as oxy-acetylene under the situation of explosive material.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the assembly drawing of the utility model embodiment.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the A-A cutaway view of Fig. 2.
1. main motors among the figure, 2. driving gear, 3. gear bracing frame, 4. driven gear (saw frame), 5. base, 6. decelerator, 7. auxiliary motor, 8. auxiliary motor base, 9. support, 10. eccentric wheel, 11. supports, 12. support, 13. saw blades, 14. steel pipes, 15. eccentric wheels, 16. connecting plates.
Concrete embodiment
In the embodiment shown in fig. 1, driven gear (4) double as saw frame, circular saw blade (13) just is contained in the inboard of driven gear (4), circular saw blade (13) and driven gear (4) all are made up of two parts---as shown in Figure 2 circular saw blade (13) by (13-1) and (13-2) two parts form, driven gear (4) by (4-1) and (4-2) two parts form, two parts of driven gear are connected by connecting plate (16), and circular saw blade (13) is contained in driven gear (4) inboard and can fixes.Pipeline is enclosed within the middle of the circular saw blade (13), and main motor (1) drives driven gear (4) by driving gear (2) and saw blade (13) rotates, and plays dissection; Auxiliary motor (7) drives base (5), main motor (1), gear train and saw blade integral body by decelerator (6) and eccentric wheel (10) and makes circular motion, by regulating the distance between eccentric central shaft and the eccentric shaft, just can be so that sawtooth and tube wall contact point move a week along tube wall, and cut tube wall.When eccentric wheel rotates a week, just whole pipe can be cut off.
Claims (6)
1, a kind of annular cast-cutting saw, it is made up of power-equipment, driving gear set, saw frame, saw blade, base, support, it is characterized in that saw blade is an annular, and sawtooth is in the annulus inboard, and saw blade, saw frame all are made up of at least 2 parts.
2, annular cast-cutting saw according to claim 1 is characterized in that: the driven gear of driving gear set is to process on saw frame.
3, according to claim 1,2 described annular cast-cutting saws, it is characterized in that: its power-equipment is a motor.
4, according to claim 1,2 described annular cast-cutting saws, it is characterized in that; Power-equipment, driving gear set are fixed on the base, and base is connected with support by eccentric wheel, and eccentric wheel has 1 central shaft and 1 eccentric shaft, and eccentric central shaft is rack-mount, and eccentric shaft is connected on the base.
5, annular cast-cutting saw according to claim 3, it is characterized in that: power-equipment, driving gear set are fixed on the base, and base is connected with support by eccentric wheel, and eccentric wheel has 1 central shaft and 1 eccentric shaft, eccentric central shaft is rack-mount, and eccentric shaft is connected on the base.
6, annular cast-cutting saw according to claim 4, it is characterized in that: the distance of eccentric eccentric shaft and central shaft can be regulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03240835 CN2609696Y (en) | 2003-03-12 | 2003-03-12 | Ring cutting saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03240835 CN2609696Y (en) | 2003-03-12 | 2003-03-12 | Ring cutting saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2609696Y true CN2609696Y (en) | 2004-04-07 |
Family
ID=34168250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03240835 Expired - Fee Related CN2609696Y (en) | 2003-03-12 | 2003-03-12 | Ring cutting saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2609696Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249575B (en) * | 2008-03-27 | 2010-11-10 | 陶国荣 | Cut-off machine of helical gas pipe forming machines |
-
2003
- 2003-03-12 CN CN 03240835 patent/CN2609696Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249575B (en) * | 2008-03-27 | 2010-11-10 | 陶国荣 | Cut-off machine of helical gas pipe forming machines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |