CN108889502B - Clamping equipment for outer surface treatment of U-shaped steel for building - Google Patents
Clamping equipment for outer surface treatment of U-shaped steel for building Download PDFInfo
- Publication number
- CN108889502B CN108889502B CN201810980597.9A CN201810980597A CN108889502B CN 108889502 B CN108889502 B CN 108889502B CN 201810980597 A CN201810980597 A CN 201810980597A CN 108889502 B CN108889502 B CN 108889502B
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- Prior art keywords
- shaped steel
- fixed
- welded
- plate
- bevel gear
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- 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.)
- Expired - Fee Related
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/74—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process for obtaining burned-in conversion coatings
Abstract
The invention discloses clamping equipment for treating the outer surface of U-shaped steel for buildings, which comprises a base, clamping plates and U-shaped steel; upright columns are welded and fixed on the upper portion of the base in a bilateral symmetry mode, a main shaft is rotatably installed between the left upright column and the right upright column, the right end of the main shaft penetrates through the right upright column and is welded and fixed with the left end face of the rotary table, and a handle is welded and fixed on the right end face of the rotary table; a fixing device is arranged above the turntable; an outer expanding fastening mechanism is further welded and fixed on the main shaft, the top end of the outer expanding fastening mechanism is located between the front clamping plate and the rear clamping plate, and the front clamping plate and the rear clamping plate are tightly attached to the front inner wall and the rear inner wall of the U-shaped steel respectively. The inner wall of the U-shaped steel is fixed through expansion of the outward expansion fastening mechanism, processing treatment of the outer surface of the U-shaped steel is not affected after the U-shaped steel is fixed, and meanwhile, the technical effect of freely rotating the U-shaped steel is achieved by holding the handle to rotate the turntable after the U-shaped steel is fixed, and the U-shaped steel fixing device is extremely high in practicability.
Description
Technical Field
The invention relates to the technical field of equipment for building construction, in particular to clamping equipment for treating the outer surface of U-shaped steel for buildings.
Background
The U-shaped steel is steel with a cross section similar to English letter U, and mainly has the characteristics of large bearing pressure, long supporting time, easiness in installation, difficulty in deformation and the like. The U-shaped steel is mainly used for secondary support of mine roadways, support of through-hill tunnels and the like. U-shaped steel is widely adopted at home and abroad as main section steel for manufacturing the retractable metal support of the roadway. However, the properties and requirements of the U-shaped steel are not consistent, so the cross-sectional shapes, geometric parameters, materials and the like of the U-shaped steel are different in different countries.
In the prior art, the U-shaped steel sometimes needs to be subjected to surface treatment such as polishing, painting and bluing before being used, so that the U-shaped steel needs to be clamped and fixed. The existing clamping equipment is usually clamped from the outer surface, the surface treatment of the U-shaped steel is affected after clamping, meanwhile, the U-shaped steel is fixed after clamping is completed, and the clamping needs to be carried out twice when the left vertical surface and the right vertical surface of the U-shaped steel are treated, so that time and labor are wasted.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides clamping equipment for processing the outer surface of U-shaped steel for buildings.
In order to achieve the purpose, the invention provides the following technical scheme:
a clamping device for processing the outer surface of U-shaped steel for buildings comprises a base, clamping plates and the U-shaped steel; upright columns are welded and fixed on the base in a bilateral symmetry mode, a main shaft is rotatably installed between the left upright column and the right upright column through a bearing, a key, a bearing installation plate and a fastening screw, the right end of the main shaft penetrates through the right upright column and is fixedly welded with the left end face of a turntable, a handle is welded and fixed on the right end face of the turntable, and the technical effect of rotating the main shaft is achieved by holding the handle to rotate the turntable; the surface of the grip is provided with anti-slip lines, so that slipping is avoided, and the friction force between the grip and a hand is improved; a fixing device is arranged above the turntable and used for fixing the turntable, so that the main shaft can be fixed after rotating for a certain angle; the fixing device comprises a screw, a screw mounting plate and a gasket, the left end face of the screw mounting plate is fixedly welded on the right end face of the right upright post, the screw is mounted on the screw mounting plate in a threaded manner, the gasket is bonded at the bottom of the screw, and the gasket is made of hard rubber and protects the turntable from being abraded; still welded fastening has outer fastening device that expands on the main shaft, outer fastening device top of expanding is located around between the splint, around the splint are hugged closely respectively inner wall around the U shaped steel, through splint extrusion the U shaped steel inner wall reaches the fastening the technological effect of U shaped steel does not influence right the processing of U shaped steel surface.
As a further scheme of the invention, the externally-expanding fastening mechanism comprises a bottom rod, a coupler, a rotating shaft, a top plate, a driving bevel gear, a driven shaft mounting plate, a rotating bearing, a sleeve and a push plate, wherein the bottom rod is welded and fixed on the main shaft, the upper end of the bottom rod is connected with the bottom end of the rotating shaft through the coupler, the top end of the rotating shaft is rotatably mounted on the top plate, the rotating shaft can rotate between the coupler and the top plate, the driving bevel gear is welded and fixed in the middle of the rotating shaft, the driven bevel gears are symmetrically arranged on the left and right sides of the driving bevel gear, the driving bevel gear is meshed with the driven bevel gear, the driven bevel gear is welded and fixed on the driven shaft close to the end of the driving bevel gear, and the, the top end of the driven shaft mounting plate is fixedly welded to the bottom surface of the top plate, threads are machined on the end, away from the driving bevel gear, of the driven shaft and are mounted in the sleeve, the sleeve is fixedly welded to the side surface, close to the driving bevel gear, of the push plate, the side surface, away from the driving bevel gear, of the push plate is fixedly welded to the clamping plate, the rotating shaft is rotated to drive the driving bevel gear to rotate, the driven bevel gear and the driven shaft rotate along with the rotating shaft, the driven shaft is screwed out of the sleeve to push the push plate to expand outwards, and the technical effect that the clamping plate extrudes the inner wall of the U-shaped steel to; and a rotating drum is welded and fixed on the rotating shaft, so that the rotating shaft can rotate conveniently.
According to the further scheme of the invention, the upper end of the push plate is provided with the insertion plate, the insertion plate is slidably mounted in the clamping groove, and the clamping groove is formed in the left end and the right end of the top plate, so that the technical effects of fixing the push plate and improving the stability of the push plate are achieved.
Compared with the prior art, the invention has the beneficial effects that:
the U-shaped steel is placed on the outward expanding fastening mechanism, the top end of the outward expanding fastening mechanism is positioned between the front clamping plate and the rear clamping plate, the front clamping plate and the rear clamping plate are respectively tightly attached to the front inner wall and the rear inner wall of the U-shaped steel, the inner wall of the U-shaped steel is extruded by the clamping plates to achieve the technical effect of fastening the U-shaped steel, and the processing treatment on the outer surface of the U-shaped steel is not influenced; after the clamping, the rotating disc can be rotated by holding the grip, so that the main shaft rotates, and the technical effect of freely rotating the U-shaped steel is achieved; the fixing device is arranged above the turntable and used for fixing the turntable, so that the U-shaped steel can be fixed after rotating for a certain angle, and the application range of the U-shaped steel is greatly improved. The inner wall of the U-shaped steel is fixed through expansion of the outward expansion fastening mechanism, processing treatment of the outer surface of the U-shaped steel is not affected after the U-shaped steel is fixed, and meanwhile, the technical effect of freely rotating the U-shaped steel is achieved by holding the handle to rotate the turntable after the U-shaped steel is fixed, and the U-shaped steel fixing device is extremely high in practicability.
Drawings
FIG. 1 is a front view of a clamping device for treating the outer surface of U-shaped steel for buildings.
FIG. 2 is a left side view of an external fastening mechanism in the clamping equipment for treating the outer surface of the U-shaped steel for the building.
Fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1-base, 2-clamping plate, 3-U-shaped steel, 4-upright post, 5-bearing, 6-key, 7-bearing mounting plate, 8-fastening screw, 9-main shaft, 10-external-expanding fastening mechanism, 11-rotary table, 12-handle, 13-fixing device, 14-screw, 15-screw mounting plate, 16-gasket, 17-bottom rod, 18-coupler, 19-rotating shaft, 20-top plate, 21-driven bevel gear, 22-driven bevel gear, 23-driven shaft, 24-driven shaft mounting plate, 25-rotating bearing, 26-sleeve, 27-push plate, 28-clamping groove, 29-inserting plate and 30-rotating cylinder.
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, in the embodiment of the present invention, a clamping apparatus for processing an outer surface of U-shaped steel for a building includes a base 1, a clamping plate 2, and U-shaped steel 3; upright posts 4 are welded and fixed on the base 1 in a bilateral symmetry mode, a main shaft 9 is rotatably installed between the left upright post 4 and the right upright post 4 through a bearing 5, a key 6, a bearing installation plate 7 and a fastening screw 8, the right end of the main shaft 9 penetrates through the right upright post 4 and is welded and fixed with the left end face of a turntable 11, a handle 12 is welded and fixed on the right end face of the turntable 11, and the technical effect of rotating the main shaft 9 is achieved by holding the handle 12 to rotate the turntable 11; the surface of the grip 12 is provided with anti-slip lines, so that slipping is avoided, and the friction force between the grip and a hand is improved; a fixing device 13 is arranged above the turntable 11, and the fixing device 13 is used for fixing the turntable 11 so that the main shaft 9 can be fixed after rotating for a certain angle; the fixing device 13 comprises a screw 14, a screw mounting plate 15 and a gasket 16, the left end surface of the screw mounting plate 15 is fixedly welded on the right end surface of the right upright post 4, the screw 14 is mounted on the screw mounting plate 15 in a threaded manner, the gasket 16 is bonded at the bottom of the screw 14, and the gasket 16 is made of hard rubber and protects the rotary table 11 from being abraded; an outward expansion fastening mechanism 10 is further welded and fixed on the main shaft 9, the top end of the outward expansion fastening mechanism 10 is located between the front clamping plate 2 and the rear clamping plate 2, the front clamping plate 2 and the rear clamping plate 2 are respectively tightly attached to the front inner wall and the rear inner wall of the U-shaped steel 3, the inner wall of the U-shaped steel 3 is extruded through the clamping plates 2, the technical effect of fastening the U-shaped steel 3 is achieved, and the processing treatment on the outer surface of the U-shaped steel 3 is not influenced;
referring to fig. 2, the flaring fastening mechanism 10 includes a bottom rod 17, a coupler 18, a rotating shaft 19, a top plate 20, a driving bevel gear 21, a driven bevel gear 22, a driven shaft 23, a driven shaft mounting plate 24, a rotating bearing 25, a sleeve 26, and a push plate 27, the bottom rod 17 is welded and fixed on the main shaft 9, the upper end of the bottom rod 17 is connected with the bottom end of the rotating shaft 19 through the coupler 18, the top end of the rotating shaft 19 is rotatably mounted on the top plate 20, the rotating shaft 19 can rotate between the coupler 18 and the top plate 20, the driving bevel gear 21 is welded and fixed in the middle of the rotating shaft 19, the driven bevel gears 22 are symmetrically arranged on the left and right of the driving bevel gear 21, the driving bevel gear 21 is engaged with the driven bevel gear 22, and the driven bevel gear 22 is welded and fixed on the driven, the middle part of the driven shaft 23 is rotatably installed in the driven shaft installation plate 24 through the rotating bearing 25, the top end of the driven shaft installation plate 24 is fixedly welded on the bottom surface of the top plate 20, the end, away from the driving bevel gear 21, of the driven shaft 23 is provided with threads, the threads are installed in the sleeve 26, the sleeve 26 is fixedly welded on the side, close to the driving bevel gear 21, of the push plate 27, the side, away from the driving bevel gear 21, of the push plate 27 is fixedly welded with the clamping plate 2, the rotating shaft 19 is rotated to drive the driving bevel gear 21 to rotate, the driven bevel gear 22 and the driven shaft 23 rotate along with the rotation of the driving bevel gear, the driven shaft 23 is screwed out of the sleeve 26 to push the push plate 27 to expand outwards, and the technical effect that; a rotating drum 30 is also welded and fixed on the rotating shaft 19, so that the rotating shaft 19 can rotate conveniently;
referring to fig. 3, an insert plate 29 is processed at the upper end of the push plate 27, the insert plate 29 is slidably mounted in a slot 28, and the slot 28 is opened at the left end and the right end of the top plate 20, so as to fix the push plate 27 and improve the stability of the push plate 27.
The working principle of the invention is that the U-shaped steel 3 is placed on the outward expanding fastening mechanism 10, the top end of the outward expanding fastening mechanism 10 is positioned between the front and the rear clamping plates 2, the front and the rear clamping plates 2 are respectively clung to the front and the rear inner walls of the U-shaped steel 3, the inner walls of the U-shaped steel 3 are extruded by the clamping plates 2 to achieve the technical effect of fastening the U-shaped steel 3, and the processing treatment on the outer surface of the U-shaped steel 3 is not influenced; after clamping, the rotating disc 11 can be rotated by holding the grip 12, so that the main shaft 9 rotates, and the technical effect of freely rotating the U-shaped steel 3 is achieved; the fixing device 13 is arranged above the rotary table 11, and the fixing device 13 is used for fixing the rotary table 11, so that the U-shaped steel 3 can be fixed after rotating for a certain angle, and the application range of the invention is greatly improved. The inner wall of the U-shaped steel 3 is fixed through expansion of the outward expansion fastening mechanism 10, processing of the outer surface of the U-shaped steel 3 is not affected after the fixing is completed, meanwhile, the rotating disc 11 can be rotated by holding the handle 12 after the fixing, the technical effect of freely rotating the U-shaped steel 3 is achieved, and the practicability is high.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The clamping equipment for treating the outer surface of U-shaped steel for buildings comprises a base (1), clamping plates (2) and U-shaped steel (3), and is characterized in that upright columns (4) are welded and fixed on the upper portion of the base (1) in a bilateral symmetry mode, a main shaft (9) is rotatably installed between the left upright column and the right upright column (4) through a bearing (5), a key (6), a bearing installation plate (7) and a fastening screw (8), the right end of the main shaft (9) penetrates through the right upright column (4) and is welded and fixed with the left end face of a turntable (11), and a handle (12) is welded and fixed on the right end face of the turntable (11); a fixing device (13) is arranged above the rotary table (11); an outward-expanding fastening mechanism (10) is further welded and fixed on the main shaft (9), the top end of the outward-expanding fastening mechanism (10) is located between the front clamping plate and the rear clamping plate (2), and the front clamping plate and the rear clamping plate (2) are respectively tightly attached to the front inner wall and the rear inner wall of the U-shaped steel (3);
the external expanding fastening mechanism (10) comprises a bottom rod (17), a coupler (18), a rotating shaft (19), a top plate (20), a driving bevel gear (21), a driven bevel gear (22), a driven shaft (23), a driven shaft mounting plate (24), a rotating bearing (25), a sleeve (26) and a push plate (27), wherein the bottom rod (17) is welded and fixed on the main shaft (9), the upper end of the bottom rod (17) is connected with the bottom end of the rotating shaft (19) through the coupler (18), the top end of the rotating shaft (19) is rotatably mounted on the top plate (20), the middle part of the rotating shaft (19) is welded and fixed with the driving bevel gear (21), the driving bevel gear (21) is bilaterally symmetrically provided with the driven bevel gear (22), the driving bevel gear (21) is meshed with the driven bevel gear (22), and the driven bevel gear (22) is welded and fixed on the driven shaft (23) close to the end of, the middle of the driven shaft (23) is rotatably installed in the driven shaft installation plate (24) through the rotating bearing (25), the top end of the driven shaft installation plate (24) is welded and fixed to the bottom surface of the top plate (20), the driven shaft (23) is far away from the end of the driving bevel gear (21) is provided with threads, the threads are installed in the sleeve (26), the sleeve (26) is welded and fixed to the side surface of the driving bevel gear (21), the push plate (27) is far away from the side surface of the driving bevel gear (21) and the clamping plate (2) are welded and fixed.
2. The clamping equipment for treating the outer surface of the U-shaped steel for the building as claimed in claim 1, wherein the surface of the grip (12) is provided with anti-skid lines.
3. The clamping equipment for treating the outer surface of the U-shaped steel for the building according to claim 1, wherein the fixing device (13) comprises a screw (14), a screw mounting plate (15) and a gasket (16), the left end face of the screw mounting plate (15) is fixedly welded to the right end face of the right upright post (4), the screw (14) is mounted on the screw mounting plate (15) in a threaded mode, and the gasket (16) is bonded to the bottom of the screw (14).
4. The clamping equipment for treating the outer surface of the U-shaped steel for the building according to claim 3, wherein the gasket (16) is made of hard rubber.
5. The clamping equipment for treating the outer surface of the U-shaped steel for the building according to claim 1, wherein a rotating cylinder (30) is further welded and fixed on the rotating shaft (19).
6. The clamping equipment for treating the outer surface of the U-shaped steel for the building according to claim 1, wherein the upper end of the push plate (27) is provided with an inserting plate (29), the inserting plate (29) is slidably arranged in a clamping groove (28), and the clamping groove (28) is formed in the left end and the right end of the top plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980597.9A CN108889502B (en) | 2018-08-27 | 2018-08-27 | Clamping equipment for outer surface treatment of U-shaped steel for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810980597.9A CN108889502B (en) | 2018-08-27 | 2018-08-27 | Clamping equipment for outer surface treatment of U-shaped steel for building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108889502A CN108889502A (en) | 2018-11-27 |
| CN108889502B true CN108889502B (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810980597.9A Expired - Fee Related CN108889502B (en) | 2018-08-27 | 2018-08-27 | Clamping equipment for outer surface treatment of U-shaped steel for building |
Country Status (1)
| Country | Link |
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| CN (1) | CN108889502B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08118225A (en) * | 1994-10-21 | 1996-05-14 | Furukawa Electric Co Ltd:The | Clamp device for polishing end surface of optical connector ferrule |
| CN201802421U (en) * | 2010-10-12 | 2011-04-20 | 陶方新 | Device for fixing beam support of U-shaped steel support for tunnel |
| CN203047773U (en) * | 2013-01-24 | 2013-07-10 | 广西景典钢结构有限公司 | Structural steel fixing device |
| CN206519794U (en) * | 2017-03-03 | 2017-09-26 | 东莞海欣科电子科技有限公司 | A kind of mobile phone fin making sander of convenient fixed section bar |
| CN207358737U (en) * | 2017-09-14 | 2018-05-15 | 付礼梅 | A kind of building bar sanding apparatus |
| CN207387407U (en) * | 2017-09-25 | 2018-05-22 | 新昌县七星街道炜德机械厂 | A kind of grinding machine frock clamp |
-
2018
- 2018-08-27 CN CN201810980597.9A patent/CN108889502B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08118225A (en) * | 1994-10-21 | 1996-05-14 | Furukawa Electric Co Ltd:The | Clamp device for polishing end surface of optical connector ferrule |
| CN201802421U (en) * | 2010-10-12 | 2011-04-20 | 陶方新 | Device for fixing beam support of U-shaped steel support for tunnel |
| CN203047773U (en) * | 2013-01-24 | 2013-07-10 | 广西景典钢结构有限公司 | Structural steel fixing device |
| CN206519794U (en) * | 2017-03-03 | 2017-09-26 | 东莞海欣科电子科技有限公司 | A kind of mobile phone fin making sander of convenient fixed section bar |
| CN207358737U (en) * | 2017-09-14 | 2018-05-15 | 付礼梅 | A kind of building bar sanding apparatus |
| CN207387407U (en) * | 2017-09-25 | 2018-05-22 | 新昌县七星街道炜德机械厂 | A kind of grinding machine frock clamp |
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| Publication number | Publication date |
|---|---|
| CN108889502A (en) | 2018-11-27 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200528 Address after: 430000 No. 436, Xiong Chu Road, Wuhan, Hubei Applicant after: ZHIGAO CONSTRUCTION GROUP Co.,Ltd. Address before: 210000 Jiangnan Road 128-1, Jianye District, Nanjing, Jiangsu, -8 102 Applicant before: Wang Li |
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Granted publication date: 20200630 |