CN110216327A - A kind of fixed device of large-diameter pipeline ring cutting toothless saw and its application method - Google Patents
A kind of fixed device of large-diameter pipeline ring cutting toothless saw and its application method Download PDFInfo
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- CN110216327A CN110216327A CN201910531598.XA CN201910531598A CN110216327A CN 110216327 A CN110216327 A CN 110216327A CN 201910531598 A CN201910531598 A CN 201910531598A CN 110216327 A CN110216327 A CN 110216327A
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- pedestal
- toothless saw
- handle
- pipeline
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- 238000005520 cutting process Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 77
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/12—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade for cutting tubes
-
- 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
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/02—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of frames; of guiding arrangements for work-table or saw-carrier
-
- 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
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/08—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for bringing the circular saw blade to the workpiece or removing same therefrom
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The present invention provides a kind of fixed device of large-diameter pipeline ring cutting toothless saw, including casing, bracket and pedestal, casing are cylinder type, are set around pipeline outer wall, and casing width is greater than base width；Bracket cross section is triangular structure, and pedestal lower end plane is fixedly connected with casing, and cradle top surface and pedestal lower end surface are hinged；Pedestal is vertically arranged with cannula center axis, and pedestal one end is equipped with handle, and the pedestal other end is equipped with motor, and toothless saw is fixed on pedestal close to handle side, and motor output end is driven driving toothless saw by belt and rotates；Bracket is greater than from one lateral extent of handle far from one lateral extent of handle in pedestal, and handle is arranged perpendicular to pedestal.The present invention also proposes a kind of application method of fixed device of large-diameter pipeline ring cutting toothless saw.Present invention fixation device is adapted to large-diameter pipeline ring cutting, and structure is simple, easy to use and easily operated, can get smooth annular cut surface, and cutting efficiency is high, pollutes safely and not.
Description
Technical field
The invention belongs to pipe installation technology fields, more particularly, to a kind of fixed device of large-diameter pipeline ring cutting toothless saw
And its application method.
Background technique
Large-sized rolling mills are hydraulic, lubricating system oil return line is generally relatively large in diameter and wall thickness is thicker, and pipeline internal request reaches
To certain cleannes, when blanking, cuts pipeline.According to the methods of cutting torch or plasma, the oxidizing slag of blowout is adhered to
Pollution can be generated to pipeline inside to inner wall of the pipe, and notch cross section is irregular, influences welding quality.It is cut according to hand-held
Cutting mill power is lower, and cutting speed is slow, and cutting sheet loss is big, and needing artificial long-term holding cutting machine, time-consuming, and personnel's physical strength disappears
Consumption is big, and it is strong that cutting machine is not capable of fixing generation shake freedom degree, not can guarantee the flatness of notch.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, it is therefore an objective to provide a kind of large-diameter pipeline ring cutting toothless saw
Fixed device and its application method are particularly suitable for the pipeline that diameter is greater than 500mm, solve in the prior art that kerf quality is not
The technical problem good, cutting efficiency is low and flexibility is poor.
Above-mentioned technical purpose of the invention is achieved through the following technical solutions:
A kind of fixed device of large-diameter pipeline ring cutting toothless saw, including casing, bracket and pedestal, described sleeve pipe are cylinder type
Structure, is set around pipeline outer wall, and described sleeve pipe width is greater than the base width；Support frame as described above cross section is triangle knot
Structure, support frame as described above lower end plane are fixedly connected with described sleeve pipe, and support frame as described above top surface and the pedestal lower end surface are hinged；Institute
It states pedestal and described sleeve pipe central axis upright is arranged, described pedestal one end is equipped with handle, and the pedestal other end is equipped with motor,
Toothless saw is fixed on the pedestal close to the handle side, and the motor output end drives the toothless saw by belt transmission
Rotation；Support frame as described above is greater than with a distance from the handle side far from one lateral extent of handle, the hand in the pedestal
Handle is arranged perpendicular to the pedestal.
Further, support frame as described above is parallel to the setting of described sleeve pipe central axis.
Further, the triangle is isosceles triangle, and the vertex angle angle is 30-60 °.
Further, described sleeve pipe is equipped with opening, and the opening is parallel with support frame as described above and contraposition is arranged, and opens described
Fastener is equipped at mouthful.
Further, the motor output end is equipped with driving wheel, and the driving wheel is ipsilateral to be equipped with driven wheel, the driving wheel
The driven wheel rotation is driven by the belt, the driven wheel is by being arranged between the driven wheel and the toothless saw
Shaft drive toothless saw rotation.
Further, the driving wheel and the toothless saw set up separately in the pedestal two sides.
It further, further include the first cover and the second cover, first cover is arranged in the toothless saw upper end,
The first cover contour structures are adapted with the toothless saw；The belt is embedded in second cover, second cover
Body contour structures are adapted with the driving wheel and the driven wheel.
Further, it is equipped with first support in the shaft two sides, described first support one end is fixed on the pedestal
On upper surface, the first support other end is fixed on the first cover outer wall.
Further, it is equipped with second support far from the toothless saw side in the pedestal, described second support one end is solid
It is scheduled on the pedestal upper surface, the other end is fixed on the second cover outer wall.
A kind of application method of the fixed device of large-diameter pipeline ring cutting toothless saw, including device is fixed as described above, step
It is rapid as follows:
S1: an annular reference line is first being drawn by Pipe Cutting pipeline outer wall, and is making described sleeve pipe far from the toothless saw side
Side is corresponding with the reference line, then described sleeve pipe is fixed on pipeline outer wall, and makes the pedestal perpendicular to the pipeline axis
Line setting；
S2: holding the position that the handle adjusts the toothless saw, makes the toothless saw apart from the pipeline outer wall height
Not less than 150mm；
S3: connection power supply pushes the handle, starts to cut the pipeline, until the toothless saw runs through institute
Until stating pipeline；
S4: lifting the handle makes the toothless saw far from the pipeline, then disconnects power supply；
S5: unclamping the fastener, and directional-rotation described sleeve pipe simultaneously makes described sleeve pipe far from the side of the toothless saw side
It is corresponding with the reference line, then described sleeve pipe is fixed on pipeline outer wall；
S6: repeating step S1-S5, until the pipeline is cut open.
Compared with prior art, the fixation device that the present invention designs is particularly suitable for the pipeline that diameter is greater than 500mm, knot
Structure is simple, easy to use, flexible operation；Can get smooth annular cut surface, kerf quality is good, cutting efficiency is high, safety and
Do not pollute.
Detailed description of the invention
Fig. 1 is a kind of side perspective view of the fixed device of large-diameter pipeline ring cutting toothless saw of one embodiment of the invention；
Fig. 2 is a kind of other side perspective view of the fixed device of large-diameter pipeline ring cutting toothless saw of one embodiment of the invention；
Fig. 3 is a kind of side view of the fixed device of large-diameter pipeline ring cutting toothless saw of one embodiment of the invention；
Fig. 4 is the perspective view of the fixation device for removing casing of one embodiment of the invention；
Fig. 5 is the enlarged drawing of the A of one embodiment of the invention；
Fig. 6 is the support frame perspective view of one embodiment of the invention；
Fig. 7 is that second cover of one embodiment of the invention removes the perspective view of outer cover；
Fig. 8 is the first support of one embodiment of the invention and the fit structure schematic diagram of the first cover；
Fig. 9 is the second support of one embodiment of the invention and the fit structure schematic diagram of the second cover；
Figure 10 is the structural schematic diagram of the second support of one embodiment of the invention；
Figure 11 is the fixation device of one embodiment of the invention and the perspective view of tube fit.
In figure:
1, casing 2, support frame 201, tripod
202, axle sleeve 203, pin shaft 204, floor clip
3, fastener 4, pedestal 5, motor
6, shaft 7, first support 8, the first cover
9, toothless saw 10, second support 1001, mounting surface
1002, mounting surface 11, the second cover 12, driving wheel
13, driven wheel 14, belt 15, handle
16, pipeline 17, reference line
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention will be further described:
A kind of fixed device of large-diameter pipeline ring cutting toothless saw, as shown in Figure 1-3, include casing 1, support frame 2 and pedestal
4, wherein casing 1 is cylinder type, is fastened around on the outer wall of pipeline 16, and the width of casing 1 is greater than the width of pedestal 4.
The cross section of bracket 3 is triangular structure, and the lower end plane of bracket 3 and the side wall of casing 1 connect by the way that two rows of four bolts are fixed
It connects, and is located at setting in the middle part of the outer wall of casing 1, the top surface of bracket 1 and the lower end surface of pedestal 4 are hinged.In pedestal 4 and casing 1
Mandrel line is vertically arranged, and one end of pedestal 4 is equipped with handle 15, and the other end of pedestal 4 is equipped with motor 5, and toothless saw 9 is fixed on pedestal
4 close to the side of handle 15, and 5 output end of motor is driven to drive toothless saw 9 to carry out rotary work by belt 14.Support frame 2
It is greater than the length of the outermost end far from 15 side of handle, handle in outermost end length of the pedestal 4 from 15 side of handle
15 are arranged perpendicular to pedestal 4.
Specifically, as shown in Figs. 1-2, the internal diameter of casing 1 is adapted with pipeline 16, for being fixed in the outer of pipeline 16
Toothless saw 9 and entire fixed device are fixed on wall, the size of casing 1 needs depending on by the outer dimension of cutting pipeline 16,
The width of casing 1 is greater than the width of support frame 2 and is greater than the width of pedestal 4, it is preferable that the every side ragged edge of casing 1 exceeds phase
Answer the outer side length 50-100mm of a wing base 4, it is therefore an objective to guarantee that support frame 2 can be firmly secured on casing 1.Casing 1 not only may be used
It is socketed on horizontal positioned pipeline 16, and the pipeline 16 or tilted-putted pipeline 16 placed vertically can be fixed, grasp
Facilitate.As shown in figure 3, distance H1 of the casing 1 close to 4 outside of back gauge pedestal of 9 side of toothless saw need to be less than toothless saw 9
Distance H2 apart from 4 outside of pedestal, it is therefore an objective to prevent toothless saw 9 from the outside of casing 1 is interfered, influence to cut pipeline 16.Accordingly
The cooperation of ground casing 1 and pipeline 16 can be cut referring to Figure 10, casing 1 from extra pipeline 16, it is also possible to steel plate curling
It forms, need to guarantee two sides being consistent property in parallel when preparing casing 1.The outer wall of casing 1 is open interface, i.e., in casing
1 is equipped with opening, and aperture position is parallel and corresponding with the position that support frame 2 is mounted on casing 1.It is solid in opening two sides
For Dingan County's dress there are two symmetrically arranged fastener 3, fastener 3 is conventional part, can be connected with fastener 3 in market purchasing
And it is secured firmly to casing 1 on the outer wall of pipeline 16, while opening can be adjusted according to the diameter of different pipelines 16
Degree, and then make entirely to fix device and be fixed on the outer wall of pipeline 16.
As in Figure 2-4, support frame 2 is parallel to the central axis of casing 1 and is arranged with perpendicular to pedestal 4, it is therefore an objective to can
So that pedestal 4 does the rotation of upper and lower position using the vertex of support frame 2 as axle center, support frame 2 is mounted on the centre of casing 1, support
The length of frame 2 is less than the inner wall width of pedestal 4, is conducive to support frame 2 and is fixedly connected with the lower end surface of pedestal 4, and support frame 2 hangs down
Straight height is of same size with the outer wall of pedestal 4, and being conducive to pedestal 4 can be firmly mounted on the top surface of support frame 2, support frame 2
It is excessively high to will lead to motor 5 and 9 position of toothless saw is too high, so that the section length that toothless saw 9 is contacted with pipeline 16 is shorter, toothless saw
9 utilization rate reduces；Support frame 2 is too low to will lead to toothless saw 9 and the interference of pipeline 16 before not cutting, influences cutting effect.
Further, 2 cross section of support frame is isosceles triangle, which is acute angle, and preferably angle is 30-60 °, because of branch
The vertical height of support 2 is certain, when less than 30 °, the narrower width of 2 lower end plane of support frame, can not stablize support base 4,
The fixation of motor 5 and toothless saw 9；When being greater than 60 °, the narrower width of 2 lower end plane of support frame, 2 lower end plane of support frame
Wider width not only wastes material but also will lead to entire fixed device installation not beyond the arc range cooperated with pipeline 16
Surely, the job stability of toothless saw 9 is seriously affected.
Further, support frame 2 and the cooperation figure of pedestal 4 and the structure chart of support frame 2 are as Figure 4-Figure 6, support frame 2
The middle part of upper surface is equipped with groove, and the interior side frame of pedestal 4 and support frame 2 are interfered when preventing support frame 2 and pedestal 4 from cooperating.It is propping up
An axle sleeve 202 is welded and fixed on the top surface of 2 groove two sides of support, pin shaft 203 sequentially passes through pedestal 4 and axle sleeve 202 and passes through
The purpose of support frame 2 and pedestal 4 are fixed together by floor clip 204, the setting of floor clip 204 is to prevent pin shaft 203
It slides and falls off from axle sleeve 202.Pedestal 4 is rectangle structure, and the steel plate that can be integral type slab construction is made, is also possible to
The tower structure being welded by angle steel, if be able to satisfy with the cooperation of other each components and firm installation, herein not
Do excessive requirement.
As shown in fig. 7, motor 5 is laterally vertically fixed on the upper surface of pedestal 4, and it is arranged with the contraposition of handle 4 in pedestal 4
Two ends, the output end of motor 5 connect with driving wheel 12, and driving wheel 12 is ipsilateral to be equipped with driven wheel 13, and toothless saw 9 is located at close
4 side of handle and toothless saw 9 and driving wheel 12 set up separately in the two sides of pedestal 4.Driving wheel 12 drives driven wheel 13 by belt 14
Rotation, driven wheel 13 pass through the shaft 6 being arranged between driven wheel 13 and toothless saw 9 and toothless saw 9 are driven to rotate.Motor 5 is logical
It crosses belt transport and kinetic energy is passed into shaft 6, and then shaft 6 drives toothless saw 9 to carry out rotary work.Further, support frame 2
It is greater than the length of the outermost end far from 15 side of handle in outermost end length of the pedestal 4 from 15 side of handle, namely
It is on pedestal 4, distance of the support frame 2 apart from 15 side end face of handle is greater than the distance of 5 side end face of motor,
It knows to increase movable range of the toothless saw 9 with support frame 2 for the center of circle, and then toothless saw 9 can be increased and cut with pipeline 16
Area, be beneficial to improve cutting efficiency.Handle 15 is arranged perpendicular to pedestal 4, and handle 15 is that U-shaped knot is made by round steel bending
Structure, both ends are welded on the upper surface side of pedestal 4, are conducive to operator's holding handle 15 and are carried out up and down with controlling toothless saw 9
Cutting operation, no matter which kind of cut state toothless saw 9 is in, and handle 15 is always perpendicular to pedestal 4, so that operator is to handle
15 control power of holding passes through that handle 15 is down-set perpendicular to pedestal 4 always, according to the conservation principle of power, holds control power and is entirely used for controlling
The position of pedestal 4 processed is without being broken down into other component.
As shown in fig. 7, the fixed device of the present invention further includes the first cover 8 and the second cover 11, the first cover 8 is semicircle
The upper end of toothless saw 9 is arranged in cover, and the contour structures of the first cover 8 are adapted with the structure of toothless saw 9, it is therefore an objective to
The splashing for preventing cutting from generating is hurted sb.'s feelings, and is shielded.Second cover 11 is enclosed cover, and belt 14 is embedded in the second cover
In body 11, the contour structures of the second cover 11 are adapted with driving wheel 12 and driven wheel 13, it is therefore an objective to can be effectively isolated belt biography
Dynamic device is directly contacted with operator, to prevent damaging.First support 7 is respectively equipped in the two sides of shaft 6, first
7 one end of frame is bolted on 4 upper surface of pedestal, and 7 other end of first support is bolted on the outer of the first cover 8
On wall.
As shown in figure 8, it can also be seen that the structure of first support 7 and first support 7 and the first cover 11 are matched from figure
Coincidence is set, and in the present embodiment, first support 7 is that the strip iron plate bending of narrower width forms, and production is simple and is easy to fixed,
The first support 7 of two sides setting, which can be stablized, fixes the first cover 8.As shown in figs. 9-10, in side of the pedestal 4 far from toothless saw 9
Equipped with second support 10,10 one end of second support is fixed on 4 upper surface of pedestal, and the other end is fixed on the outer of the second cover 11
Wall, second support are the bending plate of wider width, and mounting surface 1001 and the upper surface of pedestal 4 are bolted, mounting surface
1002 are bolted with the outer wall of the second cover 11, and structure is simple and is easily assembled to.As can be seen that the from Fig. 2 and Fig. 7
Two covers 11 are modular construction, and the inner casing of the second cover 11 is fixed on by second support 10 close to the side of pedestal 4, and main
Driving wheel 12, driven wheel 13 and belt 14 are completely embedded to be fixed in inner casing, and cap is fitted together by bolt and inner casing.?
In the present invention, can also be used the first supports 7 of other structures, second support 10 respectively to the first cover 8 and the second cover 11 into
Row is fixed, as long as being able to satisfy fixed requirement, is not specifically limited herein.
As shown in figure 11, in the present embodiment, toothless saw 9 and entire fixed device are secured firmly to by fastener 3
On the pipeline 16 cut；Pedestal 4 can be made to do upper and lower position rotation with the vertex axle center of support frame 2 by support frame 2；Motor
Kinetic energy is passed to shaft 6 by belt transport by 5, and shaft 6 drives toothless saw 9 to carry out rotary work；It is controlled again by handle 15
The cutting position of Toothless saw blade 9 and pipeline 16.Total is simple, is easy to device and safe operation, overcomes artificial cutting pipe
The time-consuming disadvantage in road 16, not only section port is straight, and cutting gap is small, and cutting efficiency is high, while also without other
Cut bits.
This fixation device is easy to dismount, and is not only applicable to be cut in horizontal positioned pipeline 16 on the ground, also suitable
For the cutting to the pipeline 16 or tilted-putted pipeline 16 placed vertically.The making material of all structure members can be on the spot
Materials are conventional common raw material, and low manufacture cost is not necessarily to other ancillary equipments, and assembling is simple.It can be according to different pipelines
16 diameter makes the casing 1 of different size to use, and it is round in 16 diameters of pipeline ± 50mm for being applicable to diameter range
The cutting of pipeline, it is also reusable, it not only can guarantee the cutting effect of pipeline 16 but also greatly improve cutting efficiency.
A kind of application method of the fixed device of large-diameter pipeline ring cutting toothless saw, including device is fixed as described above, step
It is rapid as follows:
S1: first by the annular reference line 17 of the outer mural painting one in Pipe Cutting road 16, and make casing 1 far from 9 side of toothless saw
Side is corresponding with reference line 16, then casing 1 is fixed on the outer wall of pipeline 16, and sets pedestal 4 perpendicular to the axis of pipeline 16
It sets.
Specifically, casing 1 can be first fixed on pipeline 16 by the setting of reference line 17, then with casing 1 far from toothless saw 9
On the basis of the side of side, the reference line 17 of an annular is drawn on pipeline 16.Then it is entirely cut on the basis of the reference line 17 again
It cuts process and is aligned far from the side of 9 side of toothless saw with reference line 17 with casing 1, guarantee that the cutting position of toothless saw 9 exists always
It on same plane, that is, can guarantee the straightness for the section port cut, obtain the preferable section port of consistency.
S2: it holds handle 15 and adjusts the position of toothless saw 9, and be not less than toothless saw 9 apart from the height of 16 outer wall of pipeline
150mm。
S3: connection power supply pushes handle 15, starts to cut pipeline 16, until toothless saw 9 is through pipeline 16
Only.
S4: lifting handle 15 again makes toothless saw 9 far from pipeline 16, then disconnects power supply, this is because first power-off is easy to make nothing
Rack saw 9 snaps at cutting mouth.
S5: loosening fasteners 3, directional-rotation casing 1 simultaneously keep side and reference line 9 of the casing 1 far from 9 side of toothless saw right
It answers, then casing 1 is fixed on the outer wall of pipeline 16.
S6: step S1-S5 is repeated, until pipeline 16 is cut open.
Compared with prior art, the fixation device that the present invention designs is particularly suitable for the pipeline that diameter is greater than 500mm, knot
Structure is simple, easy to use, flexible operation；Can get smooth annular cut surface, kerf quality is good, cutting efficiency is high, safety and
Do not pollute.
The technical program has the following advantages and benefits:
It is compared with the prior art, the fixation device that the present invention designs is easy to dismount, and is not only applicable to lying in a horizontal plane in ground
Pipeline on face is cut, and the cutting to the pipeline or tilted-putted pipeline placed vertically is applied also for.All structural portions
The making material of part is available locally, and is conventional common raw material, and low manufacture cost is not necessarily to other ancillary equipments, group
Dress is simple.The casing of different size can be made according to the diameter of different pipelines come using being applicable to diameter range is that pipeline is straight
The cutting of round pipeline in diameter ± 50mm, it is also reusable, it not only can guarantee the cutting effect of pipeline but also mention significantly
High cutting efficiency.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still be within the scope of the patent of the present invention.
Claims (10)
1. a kind of fixed device of large-diameter pipeline ring cutting toothless saw, which is characterized in that including casing, bracket and pedestal, the set
Pipe is cylinder type, is set around pipeline outer wall, and described sleeve pipe width is greater than the base width；Support frame as described above cross section is
Triangular structure, support frame as described above lower end plane are fixedly connected with described sleeve pipe, support frame as described above top surface and the pedestal lower end
Face is hinged；The pedestal and described sleeve pipe central axis upright are arranged, and described pedestal one end is equipped with handle, the pedestal other end
Equipped with motor, toothless saw is fixed on the pedestal close to the handle side, and the motor output end is driven by belt and is driven
The toothless saw rotation；Support frame as described above the pedestal from one lateral extent of handle be greater than far from the handle side away from
From the handle is arranged perpendicular to the pedestal.
2. the fixed device of a kind of large-diameter pipeline ring cutting toothless saw according to claim 1, which is characterized in that the support
Frame is parallel to the setting of described sleeve pipe central axis.
3. the fixed device of a kind of large-diameter pipeline ring cutting toothless saw according to claim 2, which is characterized in that the triangle
Shape is isosceles triangle, and the vertex angle angle is 30-60 °.
4. the fixed device of a kind of large-diameter pipeline ring cutting toothless saw according to claim 3, which is characterized in that described sleeve pipe
Equipped with opening, the opening is parallel with support frame as described above and contraposition is arranged, and is equipped with fastener in the opening.
5. the fixed device of a kind of large-diameter pipeline ring cutting toothless saw according to claim 1-4, which is characterized in that
The motor output end is equipped with driving wheel, and the driving wheel is ipsilateral to be equipped with driven wheel, and the driving wheel is driven by the belt
The driven wheel rotation, the driven wheel pass through the shaft being arranged between the driven wheel and the toothless saw and drive the nothing
Rack saw rotation.
6. the fixed device of a kind of large-diameter pipeline ring cutting toothless saw according to claim 5, which is characterized in that the active
Wheel sets up separately with the toothless saw in the pedestal two sides.
7. a kind of fixed device of large-diameter pipeline ring cutting toothless saw according to claim 6, which is characterized in that further include the
One cover and the second cover, first cover are arranged in the toothless saw upper end, the first cover contour structures and institute
Toothless saw is stated to be adapted；The belt is embedded in second cover, the second cover contour structures and the driving wheel and
The driven wheel is adapted.
8. the fixed device of a kind of large-diameter pipeline ring cutting toothless saw according to claim 7, which is characterized in that at described turn
Axis two sides are equipped with first support, and described first support one end is fixed on the pedestal upper surface, and the first support is another
End is fixed on the first cover outer wall.
9. the fixed device of a kind of large-diameter pipeline ring cutting toothless saw according to claim 7 or 8, which is characterized in that in institute
It states pedestal and is equipped with second support far from the toothless saw side, described second support one end is fixed on the pedestal upper surface,
The other end is fixed on the second cover outer wall.
10. a kind of application method of the fixed device of large-diameter pipeline ring cutting toothless saw, which is characterized in that including such as claim 1-
Fixation device described in 9, steps are as follows:
S1: first drawing an annular reference line by Pipe Cutting pipeline outer wall, and make side of the described sleeve pipe far from the toothless saw side with
The reference line is corresponding, then described sleeve pipe is fixed on pipeline outer wall, and set the pedestal perpendicular to the conduit axis
It sets；
S2: holding the position that the handle adjusts the toothless saw, keeps the toothless saw not small apart from the pipeline outer wall height
In 150mm；
S3: connection power supply pushes the handle, starts to cut the pipeline, until the toothless saw runs through the pipe
Until road；
S4: lifting the handle makes the toothless saw far from the pipeline, then disconnects power supply；
S5: unclamping the fastener, and directional-rotation described sleeve pipe simultaneously makes side and institute of the described sleeve pipe far from the toothless saw side
It is corresponding to state reference line, then described sleeve pipe is fixed on pipeline outer wall；
S6: repeating step S1-S5, until the pipeline is cut open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531598.XA CN110216327A (en) | 2019-06-19 | 2019-06-19 | A kind of fixed device of large-diameter pipeline ring cutting toothless saw and its application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110722208A (en) * | 2019-09-24 | 2020-01-24 | 刘可夫 | Mechanical pump long shaft damaged bearing cutter device and operation method |
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