CN108672815A - A kind of knife saw for cutting pipeline - Google Patents
A kind of knife saw for cutting pipeline Download PDFInfo
- Publication number
- CN108672815A CN108672815A CN201810826010.9A CN201810826010A CN108672815A CN 108672815 A CN108672815 A CN 108672815A CN 201810826010 A CN201810826010 A CN 201810826010A CN 108672815 A CN108672815 A CN 108672815A
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- China
- Prior art keywords
- saw
- cutting
- saw blade
- knife
- pipeline
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The invention belongs to pipe cutting technical fields, propose a kind of knife saw for cutting pipeline, including symmetrically arranged two saw bodies, one end of two saw bodies is hinged, saw handle is both provided on the other end, two opposite sides of saw body are both provided with semicircle opening, saw the saw blade for being provided on the surface of body and slidably reciprocating towards semicircle opening, saw blade is provided with the arcuate serrated being recessed inwardly close to the side of semicircle opening, the other side is connect with spring, solves the technical issues of inconvenient existing cutting pipeline and cutting planes out-of-flatness.
Description
Technical field
The invention belongs to pipe cutting technical fields, are related to a kind of knife saw for cutting pipeline.
Background technology
The knife saw of existing cutting pipeline is all that side or both sides are of a straight line type, when carrying out cutting operation to pipeline, knife
Saw and tube contacts are all a points, and the section also out-of-flatness that is very inconvenient, and cutting of when cutting goes out in the prior art
The knife saw of the cutting pipeline of clamp structure type is now crossed, but it in the presence of being easily damaged, the short technical problem of service life limits
It is used, and the linear mode cut back and forth, the technical issues of can not solving cutting planes out-of-flatness.
Invention content
The present invention proposes a kind of knife saw for cutting pipeline, solves above-mentioned technical problem.
The technical proposal of the invention is realized in this way：
A kind of knife saw for cutting pipeline, including：
One end of symmetrically arranged two saws body, two saw bodies are hinged, and are both provided with saw handle on the other end, and two
The opposite side of a saw body is both provided with semicircle opening, is provided with towards the semicircle and opens on the surface of the saw body
The saw blade that mouth slidably reciprocates, the saw blade are provided with the arcuate serrated being recessed inwardly close to the side of the semicircle opening, separately
Side is connect with spring.
As further technical solution, the groove for placing the saw blade, institute are provided on the surface of the saw body
The side for stating groove is provided with the bar-shaped trough penetrated through with it, and the spring is arranged in the bar-shaped trough, one end of the spring
It is connect with the end of the bar-shaped trough, the other end is connect with the saw blade.
As further technical solution, it is provided with cover board on the saw body, semicircle opening is provided on the cover board.
As further technical solution, threaded hole is both provided on the saw body and the cover board.
As further technical solution, one end of two saw bodies is hinged by hinge, two saw bodies
Its end surrounds a v-notch after connection, and the hinge is arranged in the v-notch.
As further technical solution, the position restrainer for limiting the saw blade sliding distance is provided on the saw body
Structure, the both sides of the saw blade are both provided with the rectangular aperture for blocking the position-limit mechanism.
As further technical solution, the position-limit mechanism is the limited block being arranged in the rectangular aperture.
As further technical solution, the position-limit mechanism is the limit hole being arranged in the rectangular aperture, described
The bolt for connecting the saw body and the cover board is provided in limit hole.
As further technical solution, symmetrical two arcuate serrateds surround round or ellipse, and it is straight
Diameter is less than the diameter of the semicircle opening.
Compared with prior art, it operation principle of the present invention and has the beneficial effect that：
1, in the present invention, when use, holds saw handle, is opened along the hinge joint of two saw bodies, and semicircle is open alignment pipe
The diameter in road, semicircle opening is bigger 1~3mm than the diameter of pipeline, and the arcuate serrated 5 of saw blade 4 is with tube contacts and by pipe
The extruding in road and be retracted into that saw is internal, the other end of saw blade pushes it to carry out cutting pipeline under the action of the spring, and when cutting will
After two saw handles are closed, hand-held saw handle swings back and forth along the direction of pipeline circumferential direction saws body, easily realizes the cutting of pipeline, and
Cutting planes are unexpected smooth, and in addition to this passing through practical operation and experiment proves that the service life of the present apparatus is than existing
The service life of pliers type knife saw extends 30% in technology, and the service life of saw blade extends 25%, because rotary type is cut
Mode is cut, in addition the effect of the buffering of spring and protection, extends the service life of saw blade, greatly reduces time for replacing saw blade
Number.
2, in the present invention, saw blade slidably reciprocates in groove, after covering cover board, will not be impacted to the sliding of saw blade,
And it can ensure the stationarity that saw blade slidably reciprocates, one end of spring is fixed on the end of bar-shaped trough, and the other end connects with saw blade
It connects, ensures the good cutting effect of saw blade, and play the role of protection to it, extend its service life；The setting of threaded hole
For connecting cover plate and saw body, installation and removal are all more convenient.
3, in the present invention, by hinge carry out it is hinged in the way of, stable structure, design is easy to process, and hinge is arranged in V-type
In notch, the rotational angle to sawing body has a degree of limitation, is more prone to control, using more convenient；The both sides of saw blade are equal
Be provided with opening, opening, which slidably reciprocates, to be fastened in position-limit mechanism, the distance that limitation saw blade moves back and forth, saw blade it is certain away from
Move back and forth from interior, guarantees more effectively to cut pipeline.
4, in the present invention, the limited block or limit hole that position-limit mechanism is, limited block are the boss for being fixed on groove, limit
The setting benefit in hole is to facilitate saving cost, and bolt is inserted into limit hole, can not only play fixed cover board and saw the work of body
With, additionally it is possible to play the role of limiting saw blade movement；And limit hole can be provided with it is multiple, can be according to spring or saw blade
Size select to be applicable in which limit hole, it is simpler, convenient and practical；Two arcuate serrateds surround round or oval
Shape, when body is sawed in rotation, saw blade stretches back and forth under the action of the spring, realizes safe cutting.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is present invention saw body structural schematic diagram；
Fig. 2 is structural schematic diagram after present invention saw body saw blade movement；
Fig. 3 is the present invention saw another example structure schematic diagram of body；
Fig. 4 is rear structural schematic diagram after present invention saw body docking；
Fig. 5 is present invention saw body along hinge joint swinging structure schematic diagram；
Fig. 6 is another example structure schematic diagram after present invention saw body docking；
Fig. 7 is that present invention saw body is capped external structure schematic diagram after plate；
Fig. 8 is present invention saw body and fixed ring structural schematic diagram；
Fig. 9 is fixed ring structural schematic diagram of the present invention；
Figure 10 is A-A cross-sectional views of the present invention；
In figure：1- saws body, 2- saw handles, 3- semicircles opening, 4- saw blades, 5- arcuate serrateds, 6- grooves, 7- springs, 8- items
Shape slot, 9- cover boards, 10- threaded holes, 11- hinges, 12-V type notches, 13- rectangular apertures, 14- limited blocks, 15- limit holes, 16-
Arc opening, 17- fixed rings, 18- connection boss, 19- non-slip mats, 20- bearings.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
As shown in Fig. 1~Figure 10, the present invention proposes a kind of knife saw for cutting pipeline, including：
Symmetrically arranged two saws body 1, one end of two saw bodies 1 are hinged, and are both provided with saw handle 2 on the other end, and two
The opposite side of a saw body 1 is both provided with semicircle opening 3, saws to be provided on the surface of body 1 towards semicircle opening 3 and slide back and forth
Dynamic saw blade 4, saw blade 4 are provided with the arcuate serrated 5 being recessed inwardly close to the side of semicircle opening 3, and the other side connects with spring 7
It connects.
In the present embodiment, saw handle 2 is held when use, is opened along the hinge joint of two saw bodies 1, by 3 pairs of semicircle opening
The diameter of quasi- pipeline, semicircle opening 3 is bigger 1~3mm than the diameter of pipeline, the arcuate serrated 5 of saw blade 4 with tube contacts and by
It is retracted into saw in vivo to the extruding of pipeline, the other end of saw blade 4 pushes it to carry out cutting pipeline under the action of spring 7, cuts
After being closed two saw handles 2 when cutting, hand-held saw handle 2 swings back and forth along the direction of pipeline circumferential direction saws body 1, easily realizes pipeline
Cutting, especially plastic conduit cutting effect is more preferable, and cutting planes are unexpected smooth, in addition to this by practical behaviour
Make and experiment proves, the service life of the service life of present apparatus pliers type knife saw than in the prior art extends 30%, saw blade
Service life extend 25%, because of the cutting mode of rotary type, in addition the effect of the buffering of spring 7 and protection, extends
The service life of saw blade greatly reduces the number for replacing saw blade.
Further, the groove 6 for placing saw blade 4 is provided on the surface of saw body 1, the side of groove 6 is provided with and it
The bar-shaped trough 8 of perforation, spring 7 are arranged in bar-shaped trough 8, and one end of spring 7 is connect with the end of bar-shaped trough 8, the other end and saw
Piece 4 connects.
Further, it saws on body 1 and is provided with cover board 9, semicircle opening 3 is provided on cover board 9.
In the present embodiment, saw blade 4 slidably reciprocates in groove 6, after covering cover board 9, will not cause shadow to the sliding of saw blade 4
Ring, and can ensure the stationarity that saw blade 4 slidably reciprocates, one end of spring 7 is fixed on the end of bar-shaped trough 8, the other end with
Saw blade 4 connects, and ensures 4 good cutting effect of saw blade, and play the role of protection to it, extends its service life.
Further, it saws on body 1 and cover board 9 and is both provided with threaded hole 10.
In the present embodiment, for connecting cover plate 9 and saw body 1, installation and removal are all more convenient for the setting of threaded hole 10.
Further, one end of two saw bodies 1 is hinged by hinge 11, its end surrounds a V after two saw bodies 1 connect
Type notch 12, hinge 11 are arranged in v-notch 12.
In the present embodiment, by hinge 11 carry out it is hinged in the way of, stable structure, design is easy to process, and hinge 11 is arranged
In v-notch 12, the rotational angle to sawing body 1 has a degree of limitation, is more prone to control, using more convenient.
Further, the position-limit mechanism being provided on body 1 for limiting 4 sliding distance of saw blade is sawed, the both sides of saw blade 4 are respectively provided with
There is the rectangular aperture 13 for blocking position-limit mechanism.
In the present embodiment, the both sides of saw blade 4 are both provided with opening 13, and opening 13, which slidably reciprocates, to be fastened in position-limit mechanism,
The distance that limitation saw blade 4 moves back and forth, saw blade 4 move back and forth in a certain distance, guarantee more effectively to cut pipeline.
Further, position-limit mechanism is the limited block 14 being arranged in rectangular aperture 13.
Further, position-limit mechanism is the limit hole 15 being arranged in rectangular aperture 13, is provided in limit hole 15 for connecting
Connect the bolt of saw body 1 and cover board 9
Further, limit hole 15 is provided with multiple.
In the present embodiment, position-limit mechanism is limited block 14 or limit hole 15, and limited block 14 is to be fixed on the convex of groove 6
Platform, the setting benefit of limit hole 15 are to facilitate saving cost, are inserted into bolt in limit hole 15, can not only play fixed cover board
9 and saw body 1 effect, additionally it is possible to play the role of limit saw blade 4 move.
And limit hole 15 can be provided with multiple, according to the size of spring 7 or saw blade 4 can select which is applicable in
Limit hole 15, it is simpler, convenient and practical.
Further, symmetrical two arcuate serrateds 5 surround round or ellipse, and its diameter is less than semicircle opening 3
Diameter.
In the present embodiment, two arcuate serrateds 5 surround round or ellipse, when body 1 is sawed in rotation, saw blade 4 is in spring 7
Under the action of stretch back and forth, realize safe cutting.
Further, two opposite sides of saw handle 2 are both provided with arc opening 16.
In the present embodiment, the setting of arc opening 16, hand-held handle 2 open and close when it is more convenient.
Further, saw body 1 and cover board 9 back to side be both provided with fixed ring 17, fixed ring 17 includes two semicircular rings,
One end of two semicircular rings is hinged, and the other end is provided with connection boss 18, and clamping screw 18 passes through on connection boss 18
Through-hole connects the end of two fixed rings, and non-slip mat 19 is provided in fixed ring 17, and fixed ring 17 is set by the rotation of bearing 20
It sets on saw body 1.
Both in the present embodiment, fixed ring 17 is separately connected by semicircular bearing 20 and saw body 1 or cover board 9, make
It can relatively rotate, when cutting pipeline, by the fixed ring 17 of both sides by clamping screw 18 by acting pipe locking, non-slip mat 19 has
Certain thickness can block pipeline, and after clamping, rotation saw body 1 realizes the cutting of pipeline, and cutting position is more accurate,
And cutting angle is more prone to control.
In addition the arcuate serrated 5 can also surround rectangle or parallelogram as needed, can between two saw handles
With there are certain gaps, the stretching degree of hand, more convenient when using and operating when can reduce clamp road in this way.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of knife saw for cutting pipeline, which is characterized in that including symmetrically arranged two saw bodies (1), two saws
One end of body (1) is hinged, and saw handle (2) is both provided on the other end, and two opposite sides of the saw body (1) are both provided with
Semicircle is open (3), and the saw blade to slidably reciprocate towards the semicircle opening (3) is provided on the surface of the saw body (1)
(4), the saw blade (4) is provided with the arcuate serrated (5) being recessed inwardly, the other side close to the semicircle side for being open (3)
It is connect with spring (7).
2. a kind of knife saw for cutting pipeline according to claim 1, which is characterized in that the surface of the saw body (1)
On be provided with groove (6) for placing the saw blade (4), the side of the groove (6) is provided with the bar-shaped trough penetrated through with it
(8), in the bar-shaped trough (8), one end of the spring (7) connects with the end of the bar-shaped trough (8) for spring (7) setting
It connects, the other end is connect with the saw blade (4).
3. a kind of knife saw for cutting pipeline according to claim 1, which is characterized in that be arranged on the saw body (1)
There is cover board (9), semicircle opening (3) is provided on the cover board (9).
4. according to claim 3 a kind of for cutting the knife saw of pipeline, which is characterized in that the saw body (1) and described
Threaded hole (10) is both provided on cover board (9).
5. according to claim 1 a kind of for cutting the knife saw of pipeline, which is characterized in that two saw bodies (1)
One end is hinged by hinge (11), its end surrounds a v-notch (12), the conjunction after two saw body (1) connections
Page (11) setting is in the v-notch (12).
6. a kind of knife saw for cutting pipeline according to claim 1, which is characterized in that be arranged on the saw body (1)
It is useful for limiting the position-limit mechanism of the saw blade (4) sliding distance, the both sides of the saw blade (4), which are both provided with, blocks the limit
The rectangular aperture (13) of mechanism.
7. a kind of knife saw for cutting pipeline according to claim 6, which is characterized in that the position-limit mechanism is setting
Limited block (14) in the rectangular aperture (13).
8. a kind of knife saw for cutting pipeline according to claim 6, which is characterized in that the position-limit mechanism is setting
Limit hole (15) in the rectangular aperture (13), be provided in the limit hole (15) for connect the saw body (1) and
The bolt of the cover board (9).
9. a kind of knife saw for cutting pipeline according to claim 1, which is characterized in that symmetrical two arcs
Sawtooth (5) surrounds round or ellipse, and its diameter is less than the diameter of the semicircle opening (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810826010.9A CN108672815A (en) | 2018-07-25 | 2018-07-25 | A kind of knife saw for cutting pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810826010.9A CN108672815A (en) | 2018-07-25 | 2018-07-25 | A kind of knife saw for cutting pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108672815A true CN108672815A (en) | 2018-10-19 |
Family
ID=63814865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810826010.9A Pending CN108672815A (en) | 2018-07-25 | 2018-07-25 | A kind of knife saw for cutting pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108672815A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089670A (en) * | 2021-05-26 | 2021-07-09 | 山东交通学院 | Underwater cutting device for maintaining old bridge pile foundation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4507863A (en) * | 1982-08-12 | 1985-04-02 | Rowe Jerry D | Packsaw |
| CN86205629U (en) * | 1986-08-11 | 1987-09-30 | 武汉电缆附件厂 | Pliers type saw for cutting steel armour of cable |
| CN104353897A (en) * | 2014-10-19 | 2015-02-18 | 车晋绥 | Pipe saw |
| US20150096420A1 (en) * | 2013-10-07 | 2015-04-09 | Techsouth, Inc. | Saw guide and method of using same |
| CN104858497A (en) * | 2015-05-27 | 2015-08-26 | 苏州博合雅工程材料科技有限公司 | Self-adaptive diamond wire saw for submarine pipeline cutting |
| CN106808533A (en) * | 2015-11-29 | 2017-06-09 | 重庆市丽丹装饰有限公司 | A kind of great Shi bamboo weaving pictures ring pincers saw |
| CN206343704U (en) * | 2016-12-22 | 2017-07-21 | 广州永大不锈钢有限公司 | A kind of stainless steel tube pipe installation |
| CN208662693U (en) * | 2018-07-25 | 2019-03-29 | 米向阳 | It is a kind of for cutting the knife saw of pipeline |
-
2018
- 2018-07-25 CN CN201810826010.9A patent/CN108672815A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4507863A (en) * | 1982-08-12 | 1985-04-02 | Rowe Jerry D | Packsaw |
| CN86205629U (en) * | 1986-08-11 | 1987-09-30 | 武汉电缆附件厂 | Pliers type saw for cutting steel armour of cable |
| US20150096420A1 (en) * | 2013-10-07 | 2015-04-09 | Techsouth, Inc. | Saw guide and method of using same |
| CN104353897A (en) * | 2014-10-19 | 2015-02-18 | 车晋绥 | Pipe saw |
| CN104858497A (en) * | 2015-05-27 | 2015-08-26 | 苏州博合雅工程材料科技有限公司 | Self-adaptive diamond wire saw for submarine pipeline cutting |
| CN106808533A (en) * | 2015-11-29 | 2017-06-09 | 重庆市丽丹装饰有限公司 | A kind of great Shi bamboo weaving pictures ring pincers saw |
| CN206343704U (en) * | 2016-12-22 | 2017-07-21 | 广州永大不锈钢有限公司 | A kind of stainless steel tube pipe installation |
| CN208662693U (en) * | 2018-07-25 | 2019-03-29 | 米向阳 | It is a kind of for cutting the knife saw of pipeline |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089670A (en) * | 2021-05-26 | 2021-07-09 | 山东交通学院 | Underwater cutting device for maintaining old bridge pile foundation |
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