CN111098208B - Hand-held type pipeline cutting device - Google Patents
Hand-held type pipeline cutting device Download PDFInfo
- Publication number
- CN111098208B CN111098208B CN201911392879.8A CN201911392879A CN111098208B CN 111098208 B CN111098208 B CN 111098208B CN 201911392879 A CN201911392879 A CN 201911392879A CN 111098208 B CN111098208 B CN 111098208B
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- Prior art keywords
- arc
- rod
- clamping plate
- square
- bent pipe
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- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/028—Angle tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/005—Auxiliary devices used in connection with portable grinding machines, e.g. holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/08—Grinders for cutting-off being portable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Abstract
The invention discloses a handheld pipeline cutting device, and relates to the technical field of pipeline cutting. The invention comprises a clamping device, wherein the clamping device comprises an arc-shaped bent pipe; one end of the arc-shaped bent pipe is fixed with a fixed rod; the arc-shaped bent pipe is internally and slidably connected with an arc-shaped rod; one end of the arc rod is fixed with the first hinged support, and the other end of the arc rod is fixedly connected with the lower clamping plate; one side of the fixed rod is connected with a sliding block in a sliding manner; the slide block is rotationally connected with an angle grinder; the fixing rod is provided with a square through hole, and the square through hole is in sliding connection with the square shaft; the fixed rod is rotatably connected with a stud; the square shaft is provided with a threaded hole matched with the stud; an upper clamping plate is fixed on the square shaft; a second hinged support is fixed on the side surface of the square shaft; the second hinged support is hinged with the first hinged support through a connecting rod. According to the invention, the pipeline is clamped by the clamping device and the upper clamping plate on the square shaft and the lower clamping plate on the arc-shaped rod, so that the problems that the flatness of the cut of the pipeline is poor when the pipeline is manually cut and the cutting efficiency is affected by the fatigue of workers are solved.
Description
Technical Field
The invention belongs to the technical field of pipeline cutting, and particularly relates to a handheld pipeline cutting device.
Background
The pipeline is generally used for a fluid conveying device for gas, liquid or solid particles, and the application scenes are various. When the pipeline is arranged and installed, the pipeline is required to be cut according to the installation condition.
Existing workers typically cut the pipe using a hand-held angle grinder. Although the manual cutting is high in flexibility, the flatness of the pipeline cut after the manual cutting is poor, the pipeline cut needs to be repeatedly ground and calibrated after the manual cutting, and then welding or pipeline connection operation can be carried out, so that the pipeline installation efficiency is low.
Meanwhile, the manual cutting is adopted, so that the arms of workers are easy to fatigue due to the vibration generated by cutting, the labor intensity is high, and the overall cutting efficiency is influenced.
Disclosure of Invention
The invention aims to provide a handheld pipeline cutting device, which is characterized in that a clamping device is arranged, an upper clamping plate on a square shaft and a lower clamping plate on an arc-shaped rod are used for clamping a pipeline, and the problems that the flatness of the cut of the existing manual cutting pipeline is poor, and the cutting efficiency is easily affected by fatigue of workers are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a handheld pipeline cutting device, which comprises an angle grinder; the angle grinder is rotationally connected with a clamping device; the clamping device comprises an arc-shaped bent pipe; one end of the arc-shaped bent pipe is fixedly connected with a fixed rod; the side wall of the arc-shaped bent pipe is provided with a straight notch; the arc-shaped bent pipe is internally and slidably connected with an arc-shaped rod;
the arc-shaped rod is matched with the inner wall of the arc-shaped bent pipe; one end of the arc-shaped rod is fixedly connected with a first hinged support in clearance fit with the straight notch; the other end of the arc-shaped rod is fixedly connected with a lower clamping plate;
one side surface of the fixed rod is connected with a sliding block in a sliding manner; the sliding block is rotatably connected with a connecting rod; one end of the connecting rod is connected with the angle grinder; the end face of the fixed rod is provided with a square through hole; one side surface of the fixed rod close to the straight notch is provided with a rectangular notch; the end face of the fixed rod is fixedly connected with a cover plate; the cover plate is rotatably connected with a stud, and one end of the stud extends into the square through hole;
a square shaft is connected in the square through hole in a sliding manner; the end face of the square shaft is provided with a threaded hole matched with the stud; the other end of the square shaft is fixedly connected with an upper clamping plate; the side surface of the square shaft is fixedly connected with a second hinged support in clearance fit with the rectangular notch; the second hinged support is hinged with a connecting rod; one end of the connecting rod is hinged with the first hinged support.
Further, the arc-shaped bent pipe is of a square pipe structure; the inner arc surface of the arc-shaped bent pipe is provided with a rubber pad.
Further, the connecting rod is an arc-shaped bent rod.
Furthermore, a slider locking handle is connected to the side surface of the slider.
Furthermore, the lower clamping plate and the upper clamping plate are both arc-shaped bent plates; the inner arc surfaces of the lower clamping plate and the upper clamping plate are provided with rubber anti-slip pads.
The invention has the following beneficial effects:
1. according to the invention, the arc-shaped bent pipe and the fixed rod are arranged, and the arc-shaped bent pipe, the square shaft in the fixed rod and the arc-shaped rod are synchronously driven to stretch and move through the stud on the fixed rod, so that the pipeline is clamped by the upper clamping plate and the lower clamping plate at the end parts of the square shaft and the arc-shaped rod, and the pipeline is fixed by matching with the inner arc surface of the arc-shaped bent pipe, thereby facilitating the cutting of an angle grinder, effectively reducing the labor intensity of manual operation and being beneficial to improving the cutting effect.
2. According to the invention, the angle grinder is rotatably connected with the sliding block on the fixed rod, so that the angle grinder is more stable in cutting, the cutting can be completed in the same vertical plane, the flatness of a pipeline cutting opening is effectively improved, and the subsequent installation efficiency is favorably improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a hand-held pipe cutting apparatus according to the present invention;
FIG. 2 is a schematic rear view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of the clamping device;
FIG. 4 is a front view of the structure of FIG. 3;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
in the drawings, the components represented by the respective reference numerals are listed below:
1-angle grinder, 2-clamping device, 3-arc rod, 4-sliding block, 5-square shaft, 6-rubber pad, 201-arc bent pipe, 202-fixed rod, 203-straight notch, 204-rectangular notch, 205-cover plate, 206-stud, 207-square through hole, 301-first hinged support, 302-lower clamping plate, 401-first connecting rod, 402-sliding block locking handle, 501-threaded hole, 502-upper clamping plate, 503-second hinged support and 504-second connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-4, the present invention is a hand-held pipe cutting apparatus, including an angle grinder 1; the angle grinder 1 is rotationally connected with a clamping device 2;
the clamping device 2 comprises an arc-shaped bent pipe 201; the fixed rod 202 is welded to one end of the arc-shaped bent pipe 201, the arc-shaped bent pipe 201 may be a semicircular structure, and the fixed rod 202 is welded to the end face of the arc-shaped bent pipe 201 and extends outward along the diameter direction of the arc-shaped bent pipe 201.
As shown in fig. 5, the curved elbow 201 is a square tube structure; a straight notch 203 is formed in the outer arc side wall of the arc-shaped bent pipe 201; the arc-shaped bent pipe 201 is internally and slidably connected with an arc-shaped rod 3; the arc rod 3 is matched with the inner wall of the arc bent pipe 201; one end of the arc rod 3 is welded with a first hinged support 301 in clearance fit with the straight notch 203, and the first hinged support 301 extends from the straight notch 203 to the outer side of the arc bent pipe 201; the other end of the arc rod 3 is welded or hinged with a lower clamping plate 302.
One side of the fixed rod 202 is connected with a sliding block 4 in a sliding way through a slideway or a sliding rail and the like; the sliding block 4 is welded with a connecting lug and is rotationally connected with a first connecting rod 401 through the connecting lug; one end of the first connecting rod 401 is connected with a connecting lug arranged on the angle grinder 1, so that the angle grinder 1 can freely rotate through the first connecting rod 401 and can move along the diameter direction of the arc-shaped bent pipe 201 through the sliding block 4, and a pipeline can be cut.
The end face of the fixing rod 202 is provided with a square through hole 207, and the fixing rod 202 can be directly replaced by a square pipe; one side surface of the fixing rod 202 close to the straight notch 203 is provided with a rectangular notch 204; the end face of the fixed rod 202 is fixedly connected with a cover plate 205 through a screw; the cover plate 205 is rotatably connected with a stud 206 through a bearing, and one end of the stud 206 extends into the square through hole 207; the cover plate 205 may also be provided with a through hole, the stud 206 may be provided with a groove, and the stud 206 may be locked in the groove by a C-shaped retainer ring to limit the axial movement of the stud 206 relative to the cover plate 205.
A square shaft 5 is connected in the square through hole 207 in a sliding manner; the end surface of the square shaft 5 is provided with a threaded hole 501 matched with the stud 206; one end of the square shaft 5 close to the lower clamping plate 302 is welded or hinged with an upper clamping plate 502; the side surface of the square shaft 5 is welded with a second hinged support 503 which is in clearance fit with the rectangular notch 204; the second hinge base 503 is hinged with a second connecting rod 504; one end of the second connecting rod 504 is hinged to the first hinge base 301.
During the use, in the arc return bend 201 is gone into to the pipeline card, revolve the clamping part of twisting double-screw bolt 206 upper end, rotation through double-screw bolt 206 for square shaft 5 removes, and push away first free bearing 301 through second free bearing 503 and second connecting rod 504 are crowded, thereby extrude arc return bend 201 with arc pole 3, thereby carry out the centre gripping through last grip block 502 and lower grip block 302 to the pipeline, and the interior circular arc of cooperation arc return bend 201 realizes three point clamping to the pipeline, thereby carries out fixed connection with clamping device 2 and pipeline. The second connecting rod 504 is an arc-shaped bent rod, and the interference of the outer arc of the arc-shaped bent pipe 201 to the position of the second connecting rod 504 can be reduced by using the arc-shaped bent rod, so that the second connecting rod 504 can push the arc-shaped rod 3 out for a longer distance.
The inner arc surface of the arc-shaped bent pipe 201 is glued or screwed with a rubber pad 6, the rubber pad 6 can further improve the fixing effect on the pipeline, and the lower clamping plate 302 and the upper clamping plate 502 are both arc-shaped bent plates; the inner arc surfaces of the lower clamping plate 302 and the upper clamping plate 502 are provided with rubber anti-slip pads, the arc-shaped bending plate can improve the clamping effect on the pipeline, and the rubber anti-slip pads can improve the fixing effect and reduce the damage to the surface of the pipeline.
After clamping is finished, the angle grinder 1 can be rotated to cut the pipeline, and when the pipeline cannot be cut off at one time, the sliding block 4 can be moved to adjust the position of the angle grinder 1, so that the pipeline can be further cut; the slider 4 side is connected with slider locking handle 402, can fix slider 4 position through slider locking handle 402, is convenient for cut the stability of angle mill 1 when the pipeline that the diameter is less, can once only cut off.
When a pipeline with a smaller diameter is switched to a pipeline with a larger diameter for cutting, the square shaft 5 and the arc rod 3 can be synchronously retracted into the corresponding arc bent pipe 201 and the corresponding fixed rod 202 by screwing the stud 6, and then the pipeline with the larger diameter is clamped again to perform the clamping step to finish clamping; by the telescopic adjustment of the square shaft 5 and the arc-shaped rod 3, the clamping device disclosed by the invention can be suitable for clamping pipelines with different diameters, the cutting effect of the pipelines is effectively improved, and the practicability and the adaptability of the clamping device are improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A hand-held pipe cutting device comprising an angle grinder (1); the angle grinder (1) is rotationally connected with a clamping device (2); the method is characterized in that:
the clamping device (2) comprises an arc-shaped bent pipe (201); one end of the arc-shaped bent pipe (201) is fixedly connected with a fixing rod (202); a straight notch (203) is formed in the side wall of the arc-shaped bent pipe (201); the arc-shaped bent pipe (201) is connected with an arc-shaped rod (3) in a sliding way;
the arc rod (3) is matched with the inner wall of the arc bent pipe (201); one end of the arc-shaped rod (3) is fixedly connected with a first hinged support (301) in clearance fit with the straight notch (203); the other end of the arc-shaped rod (3) is fixedly connected with a lower clamping plate (302);
one side surface of the fixed rod (202) is connected with a sliding block (4) in a sliding manner; the sliding block (4) is rotatably connected with a first connecting rod (401); one end of the first connecting rod (401) is connected with the angle grinder (1);
a square through hole (207) is formed in the end face of the fixing rod (202); one side surface of the fixing rod (202) close to the straight notch (203) is provided with a rectangular notch (204); the end face of the fixed rod (202) is fixedly connected with a cover plate (205); the cover plate (205) is rotatably connected with a stud (206), and one end of the stud (206) extends into the square through hole (207);
a square shaft (5) is connected in the square through hole (207) in a sliding manner; a threaded hole (501) matched with the stud (206) is formed in the end face of the square shaft (5); the other end of the square shaft (5) is fixedly connected with an upper clamping plate (502); the side surface of the square shaft (5) is fixedly connected with a second hinged support (503) in clearance fit with the rectangular notch (204); the second hinged support (503) is hinged with a second connecting rod (504); one end of the second connecting rod (504) is hinged with the first hinge base (301).
2. A hand-held pipe cutting device according to claim 1, wherein the curved elbow (201) is of square pipe construction; the inner arc surface of the arc-shaped bent pipe (201) is provided with a rubber pad (6).
3. A hand-held pipe cutting apparatus according to claim 1, wherein the second connecting rod (504) is an arcuate bent rod.
4. A hand-held pipe cutting device according to claim 1, wherein a slider locking handle (402) is attached to the side of the slider (4).
5. A hand-held pipe cutting apparatus according to claim 1 or claim 2, wherein the lower clamping plate (302) and the upper clamping plate (502) are both curved plates; the inner arc surfaces of the lower clamping plate (302) and the upper clamping plate (502) are provided with rubber anti-slip pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911392879.8A CN111098208B (en) | 2019-12-30 | 2019-12-30 | Hand-held type pipeline cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911392879.8A CN111098208B (en) | 2019-12-30 | 2019-12-30 | Hand-held type pipeline cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111098208A CN111098208A (en) | 2020-05-05 |
| CN111098208B true CN111098208B (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911392879.8A Active CN111098208B (en) | 2019-12-30 | 2019-12-30 | Hand-held type pipeline cutting device |
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| Country | Link |
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| CN (1) | CN111098208B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170701B (en) * | 2020-09-15 | 2021-07-13 | 嘉兴考普诺机械科技有限公司 | Cold drawing roller machine for processing reinforcing steel bars |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3456400A (en) * | 1967-07-26 | 1969-07-22 | Westinghouse Electric Corp | Portable polishing tool for in-place polishing of thrust runner bearings |
| DE3045262C2 (en) * | 1980-12-01 | 1986-02-20 | Stadtwerke Neu-Isenburg, 6078 Neu-Isenburg | Additional device for a portable, hand-held cut-off machine for cutting cylindrical pipes |
| CN204308725U (en) * | 2014-10-31 | 2015-05-06 | 长葛市昆泰建筑机械厂 | A kind of portable cutter |
| CN108312098A (en) * | 2018-04-04 | 2018-07-24 | 中国人民解放军陆军装甲兵学院 | Adjustable oil filter dismounting and installation tool |
| CN110039459A (en) * | 2018-01-16 | 2019-07-23 | 闫丽娟 | It is a kind of for clamping the assemble method of the device of insulator |
-
2019
- 2019-12-30 CN CN201911392879.8A patent/CN111098208B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3456400A (en) * | 1967-07-26 | 1969-07-22 | Westinghouse Electric Corp | Portable polishing tool for in-place polishing of thrust runner bearings |
| DE3045262C2 (en) * | 1980-12-01 | 1986-02-20 | Stadtwerke Neu-Isenburg, 6078 Neu-Isenburg | Additional device for a portable, hand-held cut-off machine for cutting cylindrical pipes |
| CN204308725U (en) * | 2014-10-31 | 2015-05-06 | 长葛市昆泰建筑机械厂 | A kind of portable cutter |
| CN110039459A (en) * | 2018-01-16 | 2019-07-23 | 闫丽娟 | It is a kind of for clamping the assemble method of the device of insulator |
| CN108312098A (en) * | 2018-04-04 | 2018-07-24 | 中国人民解放军陆军装甲兵学院 | Adjustable oil filter dismounting and installation tool |
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| CN111098208A (en) | 2020-05-05 |
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