CN111981107A - Gear shaft quick-dismounting type gearbox for large-scale circular sawing machine - Google Patents
Gear shaft quick-dismounting type gearbox for large-scale circular sawing machine Download PDFInfo
- Publication number
- CN111981107A CN111981107A CN202010638802.0A CN202010638802A CN111981107A CN 111981107 A CN111981107 A CN 111981107A CN 202010638802 A CN202010638802 A CN 202010638802A CN 111981107 A CN111981107 A CN 111981107A
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- half arc
- shaft
- gearbox
- gear shaft
- connecting block
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- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
-
- 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
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02034—Gearboxes combined or connected with electric machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
- F16H2057/0235—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly specially adapted to allow easy accessibility and repair
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sawing (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a gear shaft quick-dismounting type gearbox for a large-scale circular sawing machine, which comprises a gearbox body, wherein a driving motor is installed on one side of the gearbox body, a transmission shaft is fixed on the side wall of the gearbox body, a circular saw is connected onto the transmission shaft, a partition plate is arranged inside the gearbox body, one side, adjacent to the gearbox body, of the partition plate is connected with an installation hoop through a rotating shaft, a gear shaft is installed in the installation hoop, and the installation hoop comprises a first half arc, a second half arc and a tension rod. This large-scale disc sawing machine is with tooth axle quick assembly disassembly type gear box is connected with the installation staple bolt through the pivot, and first half arc and second half arc can rotate, conveniently press from both sides tight epaxial fixing bearing of tooth, and first half arc and second half arc pass through the straining rod and connect, and the straining rod can be dismantled through leading to the groove, convenient to use, during the installation, the straining rod is promoted to move down under the effect of depression bar, fixed straining rod, rotatory locking handle, convenient change and maintenance.
Description
Technical Field
The invention relates to the technical field of circular sawing machines, in particular to a gear shaft quick-dismounting type gearbox for a large circular sawing machine.
Background
The sawing machine is a cutting processing device and is mainly divided into three types: the circular saw machine mainly adopts a circular saw blade to perform rotary cutting motion, and has the advantages of stable feed, long service life of a cutter, high saw cutting precision and stable precision. The circular sawing machine is divided into three types, i.e., horizontal (horizontal feeding), vertical (vertical feeding) and pendulum (swinging feeding around a fulcrum), according to the feeding direction of the circular saw blade. Because the rotating speed of the motor is high, when the motor drives the circular sawing machine, the motor needs to change speed through the gearbox, and in the gearbox, the transmission is carried out through gears with different tooth numbers, so that the rotating speed of the output shaft is reduced.
The internal structure of the existing gearbox is shown in figure 1, two ends of a gear shaft are connected with a gearbox body through bearings and are fixed through flanges and screws, the gear shaft is not easy to disassemble and assemble, and the gear in the gearbox is damaged or needs to be replaced, so that the disassembly and the assembly are complex.
Disclosure of Invention
The invention aims to provide a gear shaft quick-dismounting type gearbox for a large-scale circular sawing machine, which has the advantages of quick dismounting, convenient maintenance and replacement of the gear shaft and solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a gear shaft quick-dismounting type gearbox for a large-scale circular sawing machine comprises a gearbox body, wherein a driving motor is installed on one side of the gearbox body, a transmission shaft is fixed on the side wall of the gearbox body, a circular saw is connected onto the transmission shaft, a partition plate is arranged inside the gearbox body, one side, adjacent to the partition plate and the gearbox body, of the partition plate is connected with an installation hoop through a rotating shaft, a gear shaft is installed in the installation hoop, the installation hoop comprises a first half arc, a second half arc and a tensioning rod, the lower end of the first half arc is hinged with the lower end of the second half arc through the rotating shaft, the upper ends of the first half arc and the second half arc are respectively connected with a first connecting block and a second connecting block, through grooves are respectively formed in the first connecting block and the second connecting block, a notch is formed in one side of the second connecting block, the tensioning rod penetrates through the through grooves, a locking hook is fixedly connected to one end of the tensioning rod, and a, bearing grooves are formed in two ends of the gear shaft respectively, fixed bearings are installed in the bearing grooves, a flange ring is fixedly connected to the outer wall of the gear shaft, and a gear is installed on one side of the flange ring through screws.
Preferably, one side of breach and first connecting block all is connected with the fixed plate, and run through on the fixed plate and be connected with the depression bar, the upper end fixedly connected with limiting plate of depression bar, the cover has the spring on the depression bar between limiting plate and the fixed plate, and the lower extreme of depression bar is connected with the briquetting, and the lower surface and the straining rod of briquetting offset.
Preferably, a hinge shaft penetrates through one side of the locking handle, the hinge shaft penetrates through the tension rod, and an open slot is formed in the side wall of the locking handle.
Preferably, the hinge shaft is installed at a non-center position of the locking handle.
Preferably, the height of the through groove is equal to the sum of the diameter of the tension rod and the height of the locking hook.
Preferably, the gearbox body is connected with a positioning block at a position above the rotating shaft.
Preferably, the two sides of the positioning block are connected with rubber pads, and the rubber pads are respectively connected with one sides of the first half arc and the second half arc.
Compared with the prior art, the invention has the following beneficial effects:
this large-scale disc is gear shaft quick assembly disassembly type gearbox for sawing machine, be connected with the installation staple bolt through the pivot, first half arc and second half arc can rotate, conveniently press from both sides tight epaxial fixing bearing of tooth, and first half arc and second half arc pass through the straining rod and connect, the straining rod can be dismantled through leading to the groove, high durability and convenient use, during the installation, the straining rod is under the effect of depression bar, it moves down to be promoted, fixed straining rod, rotatory locking handle, make one side that the articulated shaft was kept away from to locking handle offset with the second connecting block, the distance that can articulated shaft and second connecting block increases, thereby locking hook catches hold of first connecting block and second connecting block, fixing bearing is fixed, can quick assembly disassembly, conveniently change and overhaul.
Drawings
FIG. 1 is a prior art internal structure of a transmission body;
FIG. 2 is an overall structural view of the present invention;
FIG. 3 is a block diagram of the transmission body of the present invention;
FIG. 4 is a structural view of the mounting hoop of the present invention;
FIG. 5 is a front view of the present invention;
FIG. 6 is a gear shaft structure of the present invention;
fig. 7 is a partial structural view of a pinion shaft of the present invention.
In the figure: 1. a gearbox body; 11. a drive motor; 12. a drive shaft; 13. a circular saw; 14. a partition plate; 15. positioning blocks; 2. installing a hoop; 21. a rotating shaft; 22. a first half arc; 221. a first connection block; 222. a through groove; 223. a fixing plate; 224. a pressure lever; 225. a spring; 226. briquetting; 23. a second half arc; 231. a second connecting block; 232. a notch; 24. a tension bar; 241. locking the hook; 242. locking the handle; 2421. hinging a shaft; 2422. an open slot; 3. a gear shaft; 31. a bearing groove; 32. fixing the bearing; 33. a flange ring; 34. a gear.
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.
Referring to fig. 1-3, a gear shaft quick assembly disassembly type gearbox for a large-scale circular sawing machine comprises a gearbox body 1, a driving motor 11 is installed on one side of the gearbox body 1, a transmission shaft 12 is fixed on the side wall of the gearbox body 1, a circular saw 13 is connected onto the transmission shaft 12, a partition plate 14 is arranged inside the gearbox body 1, one side, adjacent to the partition plate 14 and the gearbox body 1, of each partition plate is connected with an installation hoop 2 through a rotating shaft 21, and a gear shaft 3 is installed in the installation hoop 2.
Referring to fig. 4-5, the mounting hoop 2 includes a first half arc 22, a second half arc 23 and a tension rod 24, the lower end of the first half arc 22 is hinged to the lower end of the second half arc 23 via a rotating shaft 21, the upper ends of the first half arc 22 and the second half arc 23 are respectively connected to a first connecting block 221 and a second connecting block 231, the first connecting block 221 and the second connecting block 231 are both provided with a through groove 222, the height of the through groove 222 is equal to the sum of the diameter of the tension rod 24 and the height of a locking hook 241, the tension rod 24 can drive the locking hook 241 to pass through the through groove 222, one side of the second connecting block 231 is provided with a notch 232, one side of the notch 232 and one side of the first connecting block 221 are both connected to a fixing plate 223, the fixing plate 223 is connected to a compression rod 224 in a penetrating manner, the upper end of the compression rod 224 is fixedly connected to a limiting plate, a spring 225 is, under the action of the spring 225, the pressing rod 224 is pulled to drive the pressing block 226 to press the tension rod 24, the lower surface of the pressing block 226 abuts against the tension rod 24, the tension rod 24 penetrates through the through groove 222, one end of the tension rod 24 is fixedly connected with a locking hook 241, the other end of the tension rod 24 is hinged with a locking handle 242, one side of the locking handle 242 penetrates through a hinge shaft 2421, the hinge shaft 2421 is installed at a non-circle center position of the locking handle 242, when the locking handle 242 is rotated, the locking handle 242 rotates around the hinge shaft 2421, one side of the locking handle 242, which is far away from the hinge shaft 2421, abuts against the second connecting block 231, the distance between the hinge shaft 2421 and the second connecting block 231 can be increased, so that the first connecting block 221 and the second connecting block 231 are tightly hooked by the locking hook 241, one side of the hinge shaft 2421 and the hinge shaft 2421 penetrate through the tension rod 24, an open slot 2422 is formed in the side wall of the locking handle, the position of the gearbox body 1 above the rotating shaft 21 is connected with the positioning block 15, two sides of the positioning block 15 are connected with rubber pads, the rubber pads are respectively connected with one sides of the first half arc 22 and the second half arc 23, when the first half arc 22 and the second half arc 23 are closed, the positioning block 15 is clamped tightly, the positions of the first half arc 22 and the second half arc 23 are fixed, and the first half arc 22 and the second half arc 23 are prevented from integrally rotating.
Referring to fig. 6-7, bearing grooves 31 are respectively formed at two ends of the gear shaft 3, a fixed bearing 32 is installed in the bearing groove 31, a flange ring 33 is fixedly connected to the outer wall of the gear shaft 3, and a gear 34 is installed on one side of the flange ring 33 through a screw.
The working process is as follows: during installation, a gear 34 required by the gear shaft 3 is installed, fixed bearings 32 are installed at two ends of the gear shaft 3, the fixed bearings 32 are wrapped by the first half arc 22 and the second half arc 23, the pressure lever 224 is integrally pulled up by the limiting block, the spring 225 is stretched, the pressing block 226 moves upwards along with the pressure lever 224, the tension lever 24 penetrates into the through groove 222 from one side of the second connecting block 231, after the tension lever 24 penetrates through the through groove 222, the pressure lever 224 is loosened, the pressure lever 224 is driven to integrally move downwards under the action of the spring 225, the pressing block 226 pushes the tension lever 24 to move downwards, one side of the locking hook 241 is clamped with the first connecting block 221, at the moment, the locking handle 242 is rotated around the hinge shaft 2421, one side of the locking handle 242242, which is far away from the hinge shaft 2421, is abutted against the second connecting block, the distance between the hinge shaft 2421 and the second connecting block 231 is increased, and the locking hook the first connecting block 221 and the second connecting block 231 tightly by, one ends of the first half arc 22 and the second half arc 23 are locked to clamp and fix the bearing 32, and when the gear fixing device is used, the driving motor 11 works to drive the gear 34 on the gear shaft 3 to rotate through the driving piece.
In summary, the following steps: this pinion quick assembly disassembly type gearbox for large-scale circular sawing machine, be connected with installation staple bolt 2 through pivot 21, first semi-arc 22 and second semi-arc 23 can rotate, conveniently press from both sides the fixing bearing 32 on the tight pinion 3, and first semi-arc 22 and second semi-arc 23 pass through the tie rod 24 and connect, the tie rod 24 can be dismantled through logical groove 222, high durability and convenient use, during the installation, the tie rod 24 is under depression bar 224's effect, pushed and moved down, fixing tie rod 24, rotatory locking handle 242, make one side that locking handle 242 kept away from articulated shaft 2421 offset with second connecting block 231, the distance that can articulated shaft 2421 and second connecting block 231 increases, thereby locking hook 241 hooks first connecting block 221 and second connecting block 231, fixing bearing 32 is fixed, can quick assembly disassembly, convenient change and maintenance.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a large-scale disc sawing machine is with gear shaft quick assembly disassembly type gearbox, includes gearbox body (1), its characterized in that: the transmission gear is characterized in that a driving motor (11) is installed on one side of a transmission gear body (1), a transmission shaft (12) is fixed on the side wall of the transmission gear body (1), a circular saw (13) is connected onto the transmission shaft (12), a partition plate (14) is arranged inside the transmission gear body (1), one side, adjacent to the partition plate (14) and the transmission gear body (1), of the transmission gear body is connected with an installation hoop (2) through a rotating shaft (21), a gear shaft (3) is installed in the installation hoop (2), the installation hoop (2) comprises a first half arc (22), a second half arc (23) and a tensioning rod (24), the lower end of the first half arc (22) is hinged with the lower end of the second half arc (23) through the rotating shaft (21), the upper ends of the first half arc (22) and the second half arc (23) are respectively connected with a first connecting block (221) and a second connecting block (231), through grooves (222) are formed in the first connecting block (221) and the second, a notch (232) is formed in one side of the second connecting block (231), the tensioning rod (24) penetrates through the through groove (222), a locking hook (241) is fixedly connected to one end of the tensioning rod (24), a locking handle (242) is hinged to the other end of the tensioning rod (24), bearing grooves (31) are formed in two ends of the gear shaft (3) respectively, a fixing bearing (32) is installed in each bearing groove (31), a flange ring (33) is fixedly connected to the outer wall of the gear shaft (3), and a gear (34) is installed on one side of the flange ring (33) through screws.
2. The gearbox of claim 1, wherein the gearbox comprises: one side of breach (232) and first connecting block (221) all is connected with fixed plate (223), and run through on fixed plate (223) and be connected with depression bar (224), the upper end fixedly connected with limiting plate of depression bar (224), and the cover has spring (225) on depression bar (224) between limiting plate and fixed plate (223), and the lower extreme of depression bar (224) is connected with briquetting (226), and the lower surface and the tightening rod (24) of briquetting (226) offset.
3. The gear shaft quick-release type gearbox for large-scale circular sawing machines according to claims 1-2, characterized in that: one side of the locking handle (242) penetrates through a hinged shaft (2421), the hinged shaft (2421) penetrates through the tension rod (24), and the side wall of the locking handle (242) is provided with an open slot (2422).
4. The gear shaft quick-release type gearbox for large-scale circular sawing machines according to claims 1-3, characterized in that: the hinge shaft (2421) is arranged at a non-circle center position of the locking handle (242).
5. The gear shaft quick-release type gearbox for large-scale circular sawing machines according to claims 1-4, characterized in that: the height of the through groove (222) is equal to the sum of the diameter of the tension rod (24) and the height of the locking hook (241).
6. The gearbox of the fast dismounting type for the gear shaft of the large circular sawing machine according to the claim 1 to 5, characterized in that: the gearbox body (1) is connected with a positioning block (15) at a position above the rotating shaft (21).
7. The gear shaft quick-release type gearbox for large-scale circular sawing machines according to claims 1-6, characterized in that: two sides of the positioning block (15) are connected with rubber pads which are respectively connected with one sides of the first half arc (22) and the second half arc (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638802.0A CN111981107B (en) | 2020-07-03 | 2020-07-03 | Gear shaft quick-dismounting type gearbox for large-scale circular sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010638802.0A CN111981107B (en) | 2020-07-03 | 2020-07-03 | Gear shaft quick-dismounting type gearbox for large-scale circular sawing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111981107A true CN111981107A (en) | 2020-11-24 |
| CN111981107B CN111981107B (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010638802.0A Active CN111981107B (en) | 2020-07-03 | 2020-07-03 | Gear shaft quick-dismounting type gearbox for large-scale circular sawing machine |
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| CN (1) | CN111981107B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858012A (en) * | 2021-11-11 | 2021-12-31 | 陈民新 | Metal primary processing device for manufacturing high-end equipment |
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| CN201143573Y (en) * | 2007-05-08 | 2008-11-05 | 南京德朔实业有限公司 | Miter saw |
| CN202951927U (en) * | 2012-11-21 | 2013-05-29 | 肇庆新奥燃气有限公司 | Hand-operated tube sawing unit |
| CN103527679A (en) * | 2013-10-29 | 2014-01-22 | 姬胜国 | Encircling brake device for pumping units |
| CN103527716A (en) * | 2013-09-26 | 2014-01-22 | 济南荣达机械制造有限公司 | Reduction gear of vertical type circular sawing machine |
| CN206344067U (en) * | 2016-12-19 | 2017-07-21 | 鞍钢股份有限公司 | Tightness tool for bearing wire ring |
| US20170274763A1 (en) * | 2014-09-19 | 2017-09-28 | Arcimoto, Inc. | Vehicle powertrain with dual-independent transmissions |
| CN207701631U (en) * | 2018-01-08 | 2018-08-07 | 李尚锟 | Oil pumping unit brake brake safe protects locking device |
| CN208307432U (en) * | 2018-03-01 | 2019-01-01 | 荆州市先隆包装制品有限公司 | A kind of opening steel drum anchor ear |
| CN209959639U (en) * | 2019-03-19 | 2020-01-17 | 河北鑫鹏通信设备有限公司 | Diameter-adjustable hoop |
-
2020
- 2020-07-03 CN CN202010638802.0A patent/CN111981107B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10169676A (en) * | 1996-12-04 | 1998-06-23 | Arai Seisakusho:Kk | Outside holding shoe type brake device |
| CN201143573Y (en) * | 2007-05-08 | 2008-11-05 | 南京德朔实业有限公司 | Miter saw |
| CN202951927U (en) * | 2012-11-21 | 2013-05-29 | 肇庆新奥燃气有限公司 | Hand-operated tube sawing unit |
| CN103527716A (en) * | 2013-09-26 | 2014-01-22 | 济南荣达机械制造有限公司 | Reduction gear of vertical type circular sawing machine |
| CN103527679A (en) * | 2013-10-29 | 2014-01-22 | 姬胜国 | Encircling brake device for pumping units |
| US20170274763A1 (en) * | 2014-09-19 | 2017-09-28 | Arcimoto, Inc. | Vehicle powertrain with dual-independent transmissions |
| CN206344067U (en) * | 2016-12-19 | 2017-07-21 | 鞍钢股份有限公司 | Tightness tool for bearing wire ring |
| CN207701631U (en) * | 2018-01-08 | 2018-08-07 | 李尚锟 | Oil pumping unit brake brake safe protects locking device |
| CN208307432U (en) * | 2018-03-01 | 2019-01-01 | 荆州市先隆包装制品有限公司 | A kind of opening steel drum anchor ear |
| CN209959639U (en) * | 2019-03-19 | 2020-01-17 | 河北鑫鹏通信设备有限公司 | Diameter-adjustable hoop |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858012A (en) * | 2021-11-11 | 2021-12-31 | 陈民新 | Metal primary processing device for manufacturing high-end equipment |
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| Publication number | Publication date |
|---|---|
| CN111981107B (en) | 2021-12-31 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220214 Address after: 214207 No. 928-2, Yibei Road, Qiting street, Yixing City, Wuxi City, Jiangsu Province Patentee after: Jiangsu hannida sawing machine Co.,Ltd. Address before: 523560 Dongguan Guda Machinery Manufacturing Co., Ltd., kairuifeng Industrial Park, No. 137, Changdong Road, Banshi village, Changping Town, Dongguan City, Guangdong Province Patentee before: Huang Pengfei |