CN112536479A - Fixed prosthetic devices of electric saw chain blade - Google Patents
Fixed prosthetic devices of electric saw chain blade Download PDFInfo
- Publication number
- CN112536479A CN112536479A CN202011420973.2A CN202011420973A CN112536479A CN 112536479 A CN112536479 A CN 112536479A CN 202011420973 A CN202011420973 A CN 202011420973A CN 112536479 A CN112536479 A CN 112536479A
- Authority
- CN
- China
- Prior art keywords
- blade
- chain
- iron
- organism
- electric saw
- 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.)
- Granted
Links
- 239000004575 stone Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 78
- 229910052742 iron Inorganic materials 0.000 claims description 37
- 238000005520 cutting process Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 9
- 230000001012 protector Effects 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
- B23D57/02—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws
- B23D57/023—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00 with chain saws hand-held or hand-operated
-
- 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
- B23D63/00—Dressing the tools of sawing machines or sawing devices for use in cutting any kind of material, e.g. in the manufacture of sawing tools
- B23D63/08—Sharpening the cutting edges of saw teeth
- B23D63/12—Sharpening the cutting edges of saw teeth by grinding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
- B28D1/124—Saw chains; rod-like saw blades; saw cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
Abstract
The invention discloses a fixed repairing device of an electric saw chain blade, which belongs to the technical field of blade repairing, and comprises a guide plate, a chain, a blade, a connecting plate, a machine body and a blade repairing device, wherein the blade repairing device is fixedly arranged on one side of the back surface of the machine body, the guide plate is movably connected with one side of the machine body through the connecting plate, the chain is movably connected above the guide plate, the blade is fixedly connected to the top of the chain, and the blade can be polished on the machine by a chain saw through the matching use of the blade of the chain blade and a knife stone on the blade repairing device, so that the problems of blade abrasion and dullness are solved.
Description
Technical Field
The invention relates to the technical field of blade repair, in particular to a fixing and repairing device for an electric saw chain blade.
Background
The chain saw is widely applied to the cutting field and is a tool convenient for cutting object materials by cutting workers, the existing chain saw mainly comprises a chain, a guide plate and a machine body, when the cutting workers prepare to cut the object, the guide plate and the chain are arranged on the machine body, the cutting action on the object materials is carried out by the transverse movement of blades staggered on the saw chain, the power of the electric chain saw is stable, the starting is fast, the use cost is lower, the workload of people is greatly reduced, and the convenience in working is provided for the cutting workers in the daily cutting process;
the cutting technique of current chain saw, the assembly of chain and baffle is simple, and it is also not loaded down with trivial details to dismantle the process, uses convenience very, has improved cutting workman's cutting efficiency greatly in the work, but, current chain saw still has following defect in the use:
when the chain saw is used, when a blade on the chain cuts an object, the blade is easy to wear and dull in a long-time working environment, the working time of a cutter is greatly prolonged by replacing the blade, the working efficiency is low, great inconvenience is brought to the cutter in the operation process, and therefore the blade repairing device for the electric saw chain blade is necessary to mount.
Disclosure of Invention
Aiming at the problems of abrasion and blunting of a blade of a cutting object easily caused by the use of the existing chain saw, the invention provides the fixing and repairing device for the chain blade of the electric saw, wherein the grinding surface of a knife stone of the blade repairing device and the started blade are rubbed with each other for grinding, so that the inconvenience caused by the disassembly of parts by cutting workers can be effectively avoided.
In order to achieve the purpose, the invention provides the following technical scheme:
a fixed restoration device for an electric saw chain blade comprises a guide plate, a chain, a blade, a connecting plate, a machine body and a blade restoration device; blade prosthetic devices fixed mounting in back one side of organism, blade prosthetic devices include iron sheet, stay cord, spring, external member, draw the axle, stretch out pole, cover shell, whetstone and solid iron, the external member inside be provided with the iron sheet, iron sheet and stay cord one side swing joint, iron sheet one side be provided with the spring, stay cord one side pass the spring inside and draw axle one side swing joint, stretch out the pole and draw axle fixed mounting, stretch out pole and cover shell swing joint, whetstone and cover shell carry out the joint, solid iron fixed connection on the external member surface.
Preferably, the stretch rod is connected to a fixed iron on the surface of the sleeve, the knife grinder is connected to a casing of the stretch rod, the frosted surface of the knife grinder contacts the cutting surface of the blade, and the iron button on the machine body can connect the casing and the knife grinder.
Preferably, the organism include handle, vice handle, adjustment button, louvre, hand protector baffle, power cord sheath, switch trigger and button iron, the organism on be provided with the louvre, organism one side and handle swing joint.
Preferably, switch trigger swing joint in the inside top of handle, organism one side top be provided with the power cord sheath, organism top and adjustment button swing joint, hand protector baffle and organism top fixed connection, vice handle both ends respectively swing joint in organism top and positive below, knot iron fixed mounting is in organism back top.
Preferably, one side of the back of the machine body is provided with screw holes, the sleeve piece of the blade repairing device is provided with screw holes, and the number of the screw holes in the sleeve piece is the same as that of the screw holes in the side of the back of the machine body.
Preferably, the guide plate is movably connected with one side of the machine body through a connecting plate, the chain is movably connected above the guide plate, and the blade is movably connected to the top of the chain.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. according to the blade repairing device installed on the chain saw, the pull shaft is pulled, the iron sheet at one end of the pull rope moves along the pulling direction of the pull shaft, the spring contracts, the pull rope is lengthened, the casing and the knife stone clamped on the button iron are pulled out, the extension rod of the extension rod is clamped in the fixed iron, the frosted surface of the knife stone clamped on the casing can fully contact the cutting surface of the blade, the chain saw is started, the rotation direction of the chain is anticlockwise, the rotation of the chain drives the blade to rotate, the blade is in contact with the knife stone to be polished in the starting process, after polishing is completed, the pull shaft is pulled, the casing and the knife stone are clamped in the button iron again, the situation that a cutting worker needs to manually replace the blade is effectively avoided due to the use of the blade repairing device, the working efficiency is greatly improved, and inconvenience caused by the fact that the cutting worker detaches, installs and polishes in the operation process is solved.
2. The blade repairing device installed on the chain saw is used without disassembly, installation and polishing, and meanwhile, compared with manual polishing, the blade repairing device for the chain saw is more time-saving and labor-saving in machine polishing, convenient to operate and strong in service performance.
3. The blade repairing device installed on the chain saw is safer to use, and avoids blade scratches caused in the processes of disassembly, grinding and installation.
Drawings
FIG. 1 is a schematic front view of a device for fixing and repairing a chain blade of an electric saw;
FIG. 2 is a schematic view of a rear side of a device for fixing and repairing a chain blade of an electric saw;
FIG. 3 is a schematic view of a blade repairing device of a fixing repairing device for a chain blade of an electric saw;
FIG. 4 is a schematic cross-sectional view of a blade repairing device of a fixing repairing device for a chain blade of an electric saw;
FIG. 5 is an enlarged view of a cross-sectional view A of a blade repairing apparatus of a fixing repairing apparatus of an electric saw chain blade;
fig. 6 is a schematic view of a fixing structure of a fixing and repairing device for a chain blade of an electric saw.
In the figure:
10. a body; 11. a handle; 12. an auxiliary handle; 13. an adjustment button; 14. heat dissipation holes;
20. a hand guard baffle; 21. a power line sheath; 22. a connecting plate; 23. a guide plate; 24. a chain;
30. a blade; 31. a power switch trigger; 32. a blade repair device;
321. iron sheets; 322. pulling a rope; 323. a spring; 324. a kit; 325. pulling the shaft; 326. stretching the rod;
327. a housing; 328. grinding a knife stone; 329. fixing iron;
33. and (5) buckling iron.
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.
As shown in fig. 1 to 6, which are schematic structural views of a fixing and repairing device for a chain blade of an electric saw according to a preferred embodiment of the present invention, a component used in conjunction with a chain saw body 10 includes a guide plate 23, a chain 24, a blade 30, a connecting plate 22, the body 10 and the blade repairing device 32, the guide plate 23 is movably connected to one side of the body 10 through the connecting plate 22, the chain 24 is sleeved above the guide plate 23, the blade 30 is movably connected to the top of the chain 24, both the chain 24 and the guide plate 23 can be detached through the connecting plate 22,
in this embodiment, the body 10 includes a handle 11, an auxiliary handle 12, an adjusting button 13, heat dissipation holes 14, a hand guard 20, a power line sheath 21, a button 33 and a power switch trigger 31, the heat dissipation holes 14 are disposed on the body 10, one side of the body 10 is movably connected with the handle 11, the power switch trigger 31 is movably connected with the upper portion inside the handle 11, the power line sheath 21 is disposed on the upper portion of one side of the body 10, the top of the body 10 is movably connected with the adjusting button 13, the hand guard 20 is fixedly connected with the top of the body 10, two ends of the auxiliary handle 12 are respectively movably connected with the top of the body 10 and the front lower surface, the button 33 is fixedly mounted on the back of the body 10,
in this embodiment, the blade repairing device 32 is fixedly installed on one side of the back of the machine body 10, the blade repairing device 32 includes an iron sheet 321, a pulling rope 322, a spring 323, a sleeve 324, a pulling shaft 325, a stretching rod 326, a sleeve 327, a whetstone 328 and a fixing iron 329, the iron sheet 321 is installed inside the sleeve 324, the iron sheet 321 is movably connected with one end of the pulling rope 322, the spring 323 is installed on one side of the iron sheet 321, the pulling rope 322 passes through the inside of the spring 323 and comes out from a central hole on one side of the sleeve 324, the other end of the pulling rope 322 is movably connected with one side of the pulling shaft 325, the fixing iron 329 is fixedly connected to the surface of the sleeve 324, the stretching rod 326 is fixedly installed with the pulling shaft 325, the stretching rod 326 is movably installed with the sleeve 327, and the whetstone 328 is clamped with the sleeve 327,
the working principle of the invention is as follows: before the chain saw is started, the guide plate 23, the chain 24 and the pull shaft 325 are required to be installed, the pull shaft 325 is pulled, the iron sheet 321 at one end of the pull rope 322 moves along the pulling direction of the pull shaft 325, the spring 323 contracts, the pull rope 322 lengthens, the sleeve 327 and the knife grinder 328 which are clamped and connected with the button iron 33 are pulled out, the extending rod 326 is clamped and connected in the fixed iron 329, the frosted surface of the knife grinder 328 can fully contact the cutting surface of the blade 30, a power supply is connected to the power supply wire sheath 21, the trigger of the power switch trigger 31 is pressed, the auxiliary handle 12 is held by one hand, the power switch trigger 31 on the handle 11 is pressed by one hand to be started, the rotation direction of the chain 24 is anticlockwise, the rotation of the chain 24 drives the blade 30 to rotate, the blade 30 is in the starting process of contacting with the knife grinder 328 for grinding, after grinding is finished, the pull shaft 325 is pulled, the sleeve 327 and the knife grinder 328 is clamped and connected with the button iron 33 again, and the use of the blade repairing device 32 effectively avoids the cutter worker The inconvenience brought by the components improves the working efficiency, has strong operation performance, and avoids the potential safety hazard caused by the blade 30 in the processes of disassembly, polishing and installation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A fixing and repairing device for a chain blade of an electric saw comprises a guide plate (23), a chain (24), a blade (30), a connecting plate (22), a machine body (10) and a blade repairing device (32);
the method is characterized in that:
the blade repairing device (32) is fixedly arranged on one side of the back surface of the machine body (10), the blade repairing device (32) comprises an iron sheet (321), a pull rope (322), a spring (323), a sleeve (324), a pull shaft (325), an extension rod (326), a casing (327), a knife stone (328) and a fixed iron (329), an iron sheet (321) is arranged in the sleeve (324), the iron sheet (321) is movably connected with one side of the pull rope (322), a spring (323) is arranged on one side of the iron sheet (321), one side of the pull rope (322) penetrates through the inside of the spring (323) and is movably connected with one side of the pull shaft (325), the extension rod (326) is fixedly arranged with the pull shaft (325), the extension rod (326) is movably arranged with the casing (327), the knife stone (328) is clamped with the sleeve (327), and the fixed iron (329) is fixedly connected to the surface of the sleeve (324).
2. The device for fixedly repairing a chain blade of an electric saw as claimed in claim 1, wherein: the stretching rod (326) is connected to a fixed iron (329) on the surface of the sleeve (324) in a clamped mode, the knife grinder (328) is connected to a casing (327) of the stretching rod (326 in a clamped mode, the frosted surface of the knife grinder (328) is in contact with the cutting surface of the blade (30), and the casing (327) and the knife grinder (328) can be connected in a clamped mode through a button iron (33) on the machine body (10).
3. The device for fixedly repairing a chain blade of an electric saw as claimed in claim 1, wherein: organism (10) include handle (11), vice handle (12), adjustment button (13), louvre (14), hand protector baffle (20), power cord sheath (21), switch trigger (31) and knot iron (33), organism (10) on be provided with louvre (14), organism (10) one side and handle (11) swing joint.
4. A device for the fixed restoration of an electric saw chain blade according to claim 1 or 2, wherein: switch trigger (31) swing joint in inside top of handle (11), organism (10) one side top be provided with power cord sheath (21), organism (10) top and adjustment button (13) swing joint, hand protector baffle (20) and organism (10) top fixed connection, vice handle (12) both ends difference swing joint in organism (10) top and positive below, button iron (33) fixed mounting is in organism (10) back top.
5. A device for the fixed restoration of an electric saw chain blade according to claim 3 or 4, wherein: one side of the back of the machine body (10) is provided with screw holes, the sleeve piece (324) of the blade repairing device (32) is provided with screw holes, and the number of the screw holes in the sleeve piece (324) is the same as that of the screw holes in the side of the back of the machine body (10).
6. The device for fixing and repairing an electric saw chain blade according to any one of claims 1 to 5, wherein: the guide plate (23) is movably connected with one side of the machine body (10) through a connecting plate (22), the chain (24) is sleeved above the guide plate (23), and the blade (30) is movably connected to the top of the chain (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011420973.2A CN112536479B (en) | 2020-12-08 | 2020-12-08 | Fixing and repairing device for chain blade of electric saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011420973.2A CN112536479B (en) | 2020-12-08 | 2020-12-08 | Fixing and repairing device for chain blade of electric saw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112536479A true CN112536479A (en) | 2021-03-23 |
| CN112536479B CN112536479B (en) | 2024-02-06 |
Family
ID=75018273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011420973.2A Active CN112536479B (en) | 2020-12-08 | 2020-12-08 | Fixing and repairing device for chain blade of electric saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112536479B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1179606A (en) * | 1957-07-19 | 1959-05-27 | Device for sharpening circular saws and the like | |
| US3435860A (en) * | 1966-11-18 | 1969-04-01 | Omark Industries Inc | Top sharpening,floating sprocket chain saw |
| AU2689477A (en) * | 1976-07-08 | 1979-01-11 | Cornelis Johannes Behrens | File guide device for saw teeth sharpening |
| CA1145943A (en) * | 1981-02-11 | 1983-05-10 | Lynn J. Ziegelmeyer | Saw chain depth-grinding apparatus |
| CN1289276A (en) * | 1998-01-30 | 2001-03-28 | 链锯主导公司 | Saw chain sharpener adapted to be mounted on a chain saw |
| US6241595B1 (en) * | 1999-12-21 | 2001-06-05 | Richard Skinner | Edger blade sharpener |
| CN102371601A (en) * | 2011-10-14 | 2012-03-14 | 浙江亚特电器有限公司 | Improved structure of electric chain saw |
| CN202278618U (en) * | 2011-10-14 | 2012-06-20 | 浙江亚特电器有限公司 | Improved structure of electric chain saw |
| CN102581380A (en) * | 2012-02-07 | 2012-07-18 | 浙江亚特电器有限公司 | Electric chain saw with sharpening mechanism |
| CN103317192A (en) * | 2013-06-25 | 2013-09-25 | 永康市威力园林机械有限公司 | Automatic chain grinding machine with chain saw clamping device |
| DE102012015814A1 (en) * | 2012-08-10 | 2014-05-15 | Mogatec Moderne Gartentechnik Gmbh | Motor chain saw for use with wrap spring clutch and friction brake, has actuation sleeve set on inner periphery of stop unit, bracket arranged on longitudinal side of brake plates, and adjustable cam levers mounted on braking plates |
| CN104827125A (en) * | 2015-05-05 | 2015-08-12 | 浙江中坚科技股份有限公司 | Rapid coping device for chain of chain saw |
| CN205124570U (en) * | 2015-11-12 | 2016-04-06 | 马康 | Chain blade of chain saw |
| JP2017013162A (en) * | 2015-06-30 | 2017-01-19 | 日立工機株式会社 | Chain saw |
| CN208067476U (en) * | 2018-04-18 | 2018-11-09 | 赵国英 | A kind of polishing automatic saw blade gear grinding machine with high accuracy |
| CN210877863U (en) * | 2019-09-30 | 2020-06-30 | 天津市众鑫达金属制品有限公司 | Saw bit gear grinding auxiliary impurity removing device for steel pipe cold saw |
| CN211194172U (en) * | 2019-04-26 | 2020-08-07 | 天津鑫达来消防设备有限公司 | Multifunctional motor-driven chain saw |
| CN211509917U (en) * | 2019-12-19 | 2020-09-18 | 武义县鸥鸥动力机械有限公司 | Chain saw capable of automatically grinding chain |
-
2020
- 2020-12-08 CN CN202011420973.2A patent/CN112536479B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1179606A (en) * | 1957-07-19 | 1959-05-27 | Device for sharpening circular saws and the like | |
| US3435860A (en) * | 1966-11-18 | 1969-04-01 | Omark Industries Inc | Top sharpening,floating sprocket chain saw |
| AU2689477A (en) * | 1976-07-08 | 1979-01-11 | Cornelis Johannes Behrens | File guide device for saw teeth sharpening |
| CA1145943A (en) * | 1981-02-11 | 1983-05-10 | Lynn J. Ziegelmeyer | Saw chain depth-grinding apparatus |
| CN1289276A (en) * | 1998-01-30 | 2001-03-28 | 链锯主导公司 | Saw chain sharpener adapted to be mounted on a chain saw |
| US6241595B1 (en) * | 1999-12-21 | 2001-06-05 | Richard Skinner | Edger blade sharpener |
| CN102371601A (en) * | 2011-10-14 | 2012-03-14 | 浙江亚特电器有限公司 | Improved structure of electric chain saw |
| CN202278618U (en) * | 2011-10-14 | 2012-06-20 | 浙江亚特电器有限公司 | Improved structure of electric chain saw |
| CN102581380A (en) * | 2012-02-07 | 2012-07-18 | 浙江亚特电器有限公司 | Electric chain saw with sharpening mechanism |
| DE102012015814A1 (en) * | 2012-08-10 | 2014-05-15 | Mogatec Moderne Gartentechnik Gmbh | Motor chain saw for use with wrap spring clutch and friction brake, has actuation sleeve set on inner periphery of stop unit, bracket arranged on longitudinal side of brake plates, and adjustable cam levers mounted on braking plates |
| CN103317192A (en) * | 2013-06-25 | 2013-09-25 | 永康市威力园林机械有限公司 | Automatic chain grinding machine with chain saw clamping device |
| CN104827125A (en) * | 2015-05-05 | 2015-08-12 | 浙江中坚科技股份有限公司 | Rapid coping device for chain of chain saw |
| JP2017013162A (en) * | 2015-06-30 | 2017-01-19 | 日立工機株式会社 | Chain saw |
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| CN208067476U (en) * | 2018-04-18 | 2018-11-09 | 赵国英 | A kind of polishing automatic saw blade gear grinding machine with high accuracy |
| CN211194172U (en) * | 2019-04-26 | 2020-08-07 | 天津鑫达来消防设备有限公司 | Multifunctional motor-driven chain saw |
| CN210877863U (en) * | 2019-09-30 | 2020-06-30 | 天津市众鑫达金属制品有限公司 | Saw bit gear grinding auxiliary impurity removing device for steel pipe cold saw |
| CN211509917U (en) * | 2019-12-19 | 2020-09-18 | 武义县鸥鸥动力机械有限公司 | Chain saw capable of automatically grinding chain |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112536479B (en) | 2024-02-06 |
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