CN111168312A - Steel grating installation angle fine adjustment device - Google Patents
Steel grating installation angle fine adjustment device Download PDFInfo
- Publication number
- CN111168312A CN111168312A CN202010195251.5A CN202010195251A CN111168312A CN 111168312 A CN111168312 A CN 111168312A CN 202010195251 A CN202010195251 A CN 202010195251A CN 111168312 A CN111168312 A CN 111168312A
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- rod
- steel grating
- frame body
- screw rod
- abutting
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 238000009434 installation Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0408—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work for planar work
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a fine adjustment device for the installation angle of a steel grating, which comprises a positioning frame, a rotating frame and an adjusting mechanism, wherein the positioning frame is arranged on the rotating frame; in order to realize convenient angle adjustment of the steel grating, the bottom of the steel grating is inserted into an insertion gap arranged between the outer side of the bottom rotating rod and the limiting hook, then the driving threaded cylinder is rotated to enable the driving threaded cylinder to perform threaded rotation on the first screw rod, and due to the fact that the threads of the second screw rod and the first screw rod are arranged oppositely, when the driving threaded cylinder performs threaded rotation on the first screw rod, the second screw rod can be driven to perform telescopic movement, the second screw rod drives the middle rod to move, and then the first screw rod and the rotating joint at the end of the second screw rod are matched, so that the abutting support, the middle rod and the limiting hook rotate around the penetrating circular tube through the bottom rotating rod, and the steel grating arranged on the limiting hook is driven to rotate to realize angle adjustment.
Description
Technical Field
The invention relates to a fine adjustment device for a mounting angle of a steel grating.
Background
In the welding of random steel grating plates of a blade male die and the like, the installation of the steel grating plates can be divided into vertical installation and angle installation according to different included angles between the planes of the steel grating plates and the horizontal plane, and the steel grating plates with the angle installation are generally positioned at the blade root of the male die. For the vertical installation of the steel grating, the steel grating can be installed only by hoisting and keeping the steel grating in a suspension state. When the steel grating plate needs to be installed with an angle, the method adopted at present is to finely adjust the steel grating plate to be dragged to incline by advancing or retreating the travelling crane so as to achieve a certain angle. The steel grating plate with the angle installation generally has larger dimension which is about a semicircle with a radius of about 2 meters, the thickness is only 5mm, the rigidity is insufficient, and the steel grating plate is easy to deform in the towing process of angle adjustment to influence the precision of a steel frame, so that a special tool is needed for auxiliary installation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the steel grating mounting angle fine-tuning device is convenient to fine-tune and disassemble the steel grating mounting angle.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a steel grating installation angle fine adjustment device comprises a positioning frame, a rotating frame and an adjusting mechanism; the positioning frame comprises a front frame body, a rear frame body, a connecting rod, a positioning frame, a transverse plate, a connecting steel sheet and a cross-connecting circular tube; the front frame body and the rear frame body are arranged in a front-back opposite mode; the peripheries of the front frame body and the rear frame body are respectively fixed through connecting rods; a positioning frame is arranged between the front frame body and the rear frame body from top to bottom; a transverse plate is arranged in the middle of the positioning frame; a plurality of connecting steel sheets are uniformly arranged at the bottom of the front frame body; the bottom of each connecting steel sheet is fixedly provided with a through round pipe; the rotating frame comprises a bottom rotating rod, an abutting support, a middle rod and a limiting hook; the bottom rotating rod is rotatably connected to the through round pipe in a penetrating mode; the upper end of the bottom rotating rod is provided with an abutting support; the abutting support and the front frame body are arranged in parallel; the middle of the abutting support is provided with a middle rod; a plurality of limiting hooks are uniformly and movably arranged on the bottom rotating rod; an inserting gap is formed between the outer side of the bottom rotating rod and the limiting hook; the adjusting mechanism is arranged between the transverse plate of the positioning frame and the middle rod of the rotating frame; the adjusting mechanism comprises a rotary joint, a first screw rod, a second screw rod and a driving threaded cylinder; the side part of the middle rod and the side part of the transverse plate are respectively provided with a rotary joint; one end of the first screw rod is rotatably arranged on the rotating joint of the transverse plate; one end of the second screw rod is rotatably arranged on the rotary joint of the middle rod; the other ends of the first screw and the second screw are respectively in threaded rotary connection into the driving threaded cylinder from two ends of the driving threaded cylinder; the threads on the first screw rod and the second screw rod are arranged oppositely; and annular inner thread surfaces with opposite threads are respectively arranged in the two ends of the driving thread cylinder.
Furthermore, the limiting hook comprises a transverse connecting sheet and a longitudinal connecting sheet; the transverse connecting sheets and the longitudinal connecting sheets form a right-angle structure; the transverse connecting sheet is fixed at the bottom of the bottom rotating rod; the longitudinal connecting sheet is positioned on the outer side of the rotating rod at the bottom; and an inserting gap is arranged between the longitudinal connecting sheet and the bottom rotating rod.
Furthermore, the outer end of the transverse connecting sheet is provided with an inserting groove; the lower end of the longitudinal connecting sheet is provided with inserting teeth; the longitudinal connecting piece is movably inserted into the inserting groove of the transverse connecting piece through the inserting teeth at the lower end.
Further, the front frame body and the rear frame body are both in a trapezoidal structure with a small upper part and a large lower part.
Furthermore, reinforced rectangular frame bodies are respectively arranged on two sides between the front frame body and the rear frame body.
Furthermore, a plurality of evenly distributed abutting gaskets are attached to the outer side of the bottom rotating rod; the plurality of abutting gaskets and the plurality of limiting hooks are distributed at intervals; and the outer side surfaces of the abutting support and the middle rod are provided with abutting gaskets.
Further, the abutment bracket comprises two brackets of X-shaped structures; the two X-shaped brackets are respectively arranged on the left side and the right side of the middle rod side by side; and the outer sides of the cross centers of the two X-shaped structure supports are respectively provided with an abutting gasket in a fitting manner.
Further, the abutting gasket is made of a rubber material.
Further, the front frame bodies of the positioning frames are distributed in an inclined mode; the rear frame bodies are vertically distributed; the longitudinal section of the side view of the positioning frame is of a right-angle trapezoidal structure with a small upper part and a large lower part.
The invention has the advantages of
1. In order to realize convenient angle adjustment of the steel grating, the bottom of the steel grating is inserted into an insertion gap arranged between the outer side of the bottom rotating rod and the limiting hook, the inner side surface of the steel grating is abutted with the abutting support, then the driving threaded cylinder is driven to rotate in a threaded manner on the first screw rod by rotating the driving threaded cylinder, the second screw rod and the first screw rod are arranged in an opposite manner due to the fact that the threads of the second screw rod and the first screw rod are arranged oppositely, the second screw rod can be driven to move in a telescopic manner when the driving threaded cylinder rotates in a threaded manner on the first screw rod, the second screw rod drives the middle rod to move, and then the rotating joint at the end part of the first screw rod and the second screw rod is matched, so that the abutting support, the middle rod and the limiting hook rotate around the penetrating circular tube through the bottom rotating rod, and the steel grating arranged on the limiting hook is driven to rotate, thereby realize spacing colluding the regulation of angle.
2. The limit hook designed by the invention comprises a transverse connecting sheet and a longitudinal connecting sheet, wherein the transverse connecting sheet and the longitudinal connecting sheet form a right-angle structure, the transverse connecting sheet is fixed at the bottom of a bottom rotating rod, the longitudinal connecting sheet is positioned at the outer side of the bottom rotating rod, an inserting gap is arranged between the longitudinal connecting sheet and the bottom rotating rod, so that the bottom of a steel grating can be inserted into the inserting gap, an inserting groove is arranged at the outer end of the transverse connecting sheet, an inserting tooth is arranged at the lower end of the longitudinal connecting sheet, so that the longitudinal connecting sheet is movably inserted into the inserting groove of the transverse connecting sheet connected with the transverse connecting sheet through the inserting tooth at the lower end, a structure for movably inserting the transverse connecting sheet and the longitudinal connecting sheet is formed, after the angle adjustment and the welding are finished, the longitudinal connecting sheet is directly pulled out from the transverse connecting sheet, the structural design is light and handy, and the installation is all very convenient with the dismantlement.
Drawings
FIG. 1 is a schematic view of the structure of the inserted steel grating of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a bottom partially enlarged view of the turret according to the present invention.
Fig. 4 is an enlarged schematic view of the adjusting mechanism of the present invention.
Fig. 5 is an enlarged schematic structural view of the limiting hook of the present invention.
FIG. 6 is a side view of the positioning frame and the rotating frame of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a fine adjustment device for the installation angle of a steel grating comprises a positioning frame 1, a rotating frame 2 and an adjusting mechanism 3; the positioning frame 1 comprises a front frame body 11, a rear frame body 12, a connecting rod 15, a positioning frame 16, a transverse plate 17, a connecting steel sheet 18 and a cross-connecting circular tube 13; the front frame body 11 and the rear frame body 12 are arranged in a front-back opposite mode; the peripheries of the front frame body 11 and the rear frame body 12 are respectively fixed through connecting rods 15; a positioning frame 16 is arranged between the front frame body 11 and the rear frame body 12 from top to bottom; a transverse plate 17 is arranged in the middle of the positioning frame 16; a plurality of connecting steel sheets 18 are uniformly arranged at the bottom of the front frame body 11; the bottom of the connecting steel sheet 18 is fixedly provided with a through round pipe 13 respectively; the rotating frame 2 comprises a bottom rotating rod 22, an abutting support 21, an intermediate rod 24 and a limiting hook 23; the bottom rotating rod 22 is rotatably connected to the penetrating circular tube 13 in a penetrating manner; the upper end of the bottom rotating rod 22 is provided with an abutting support 21; the abutting bracket 21 and the front frame body 11 are arranged in parallel; an intermediate rod 24 is arranged in the middle of the abutting bracket 21; a plurality of limiting hooks 23 are uniformly and movably arranged on the bottom rotating rod 22; an inserting gap is formed between the outer side of the bottom rotating rod 22 and the limiting hook 23; the adjusting mechanism 3 is arranged between the transverse plate 17 of the positioning frame 1 and the middle rod 24 of the rotating frame 2; the adjusting mechanism 3 comprises a rotary joint 33, a first screw 31, a second screw 32 and a driving threaded cylinder 34; a rotary joint 33 is respectively arranged at the side part of the middle rod 24 and the side part of the transverse plate 17; one end of the first screw 31 is rotatably mounted on a rotary joint 33 of the transverse plate 17; one end of the second screw 32 is rotatably mounted on a rotary joint 33 of the intermediate rod 24; the other ends of the first screw 31 and the second screw 32 are respectively connected into the driving threaded cylinder 34 from two ends of the driving threaded cylinder 34 in a threaded rotation mode; the threads on the first screw rod 31 and the second screw rod 32 are arranged oppositely; the driving screw cylinder 34 is provided with annular internal thread surfaces with opposite threads inside at two ends.
As shown in fig. 1 to 5, it is further preferable that the limiting hook 23 comprises a transverse connecting piece 231 and a longitudinal connecting piece 232; the transverse connecting sheet 231 and the longitudinal connecting sheet 232 form a right-angle structure; the transverse connecting piece 231 is fixed at the bottom of the bottom rotating rod 22; the longitudinal connecting piece 232 is located outside the bottom rotating rod 22; an insertion gap is formed between the longitudinal connecting piece 232 and the bottom rotating rod 22. Further, the outer end of the transverse connecting piece 231 is provided with an inserting groove 2311; the lower end of the longitudinal connecting sheet 232 is provided with an inserting tooth 2321; the longitudinal connecting piece 232 is movably inserted into the insertion groove 2311 connected to the transverse connecting piece 231 through the insertion tooth 2321 at the lower end. Further, the front frame 11 and the rear frame 12 each have a trapezoidal structure with a small top and a large bottom. Further, reinforcing rectangular frames 14 are respectively provided on both sides between the front frame 11 and the rear frame 12. Further, a plurality of evenly distributed abutting gaskets 5 are attached to the outer side of the bottom rotating rod 22; the plurality of abutting gaskets 5 and the plurality of limiting hooks 23 are distributed at intervals; and the outer side surfaces of the abutting bracket 21 and the middle rod 24 are provided with abutting gaskets 5. Further, the abutment bracket 21 comprises two brackets of X-shaped configuration; the two X-shaped brackets are respectively arranged on the left side and the right side of the middle rod 24 side by side; and the outer sides of the cross centers of the two X-shaped structure supports are respectively provided with an abutting gasket 5 in an attaching mode. Further, the abutting pad 5 is made of a rubber material. The butt gasket 5 is used for butting with the inner side surface of the steel grating 4, so that the butt of the inner side surface of the steel grating 4 is more stable and avoids colliding with the steel grating.
As shown in fig. 6, in order to limit the range of the fine adjustment angle, the front frame 11 of the positioning frame 1 is distributed obliquely; the rear frame body 12 is vertically distributed; the longitudinal section that locating rack 1 looked sideways at is big end down's right trapezoid structure, and the angle with the angle of inclination of preceding framework 11 and vertical direction is 4 degrees, keeps butt support 21 and preceding framework 11 parallel arrangement, and so butt support 21 also is 4 degrees with the inclination a of vertical direction, and the scope that so butt can rotate the regulation in the steel grating in the butt support 21 outside to outside vertical direction is 0 to 4 degrees, so can inject the angle scope of fine setting.
In order to realize convenient angle adjustment of the steel grating 4, the bottom of the steel grating 4 is inserted into an insertion gap arranged between the outer side of the bottom rotating rod 22 and the limiting hook 23, the inner side surface of the steel grating 4 is abutted to the abutting support 21, then the threaded cylinder 34 is driven to rotate, so that the threaded cylinder 34 is driven to rotate in a threaded manner on the first screw 31, the second screw 32 is driven to move in a telescopic manner when the threaded cylinder 34 is driven to rotate in a threaded manner on the first screw 31, the middle rod 24 is driven to move by the second screw 32, and the abutting support 21, the middle rod 24 and the limiting hook 23 rotate around the penetrating circular tube 13 through the bottom rotating rod 22 by matching with the rotating joints 33 at the ends of the first screw 31 and the second screw 32, thereby the steel grating 4 installed on the limiting hook 23 is driven to rotate, and the angle of the limiting hook 23 is adjusted. The limiting hook 23 designed by the invention comprises a transverse connecting sheet 231 and a longitudinal connecting sheet 232, the transverse connecting sheet 231 and the longitudinal connecting sheet 232 form a right-angle structure, the transverse connecting sheet 231 is fixed at the bottom of the bottom rotating rod 22, the longitudinal connecting sheet 232 is positioned at the outer side of the bottom rotating rod 22, an inserting gap is arranged between the longitudinal connecting sheet 232 and the bottom rotating rod 22, so that the bottom of a steel grating 4 can be inserted into the inserting gap, an inserting groove 2311 is arranged at the outer end of the transverse connecting sheet 231, an inserting tooth 2321 is arranged at the lower end of the longitudinal connecting sheet 232, so that the longitudinal connecting sheet 232 is movably inserted into the inserting groove 2311 connected with the transverse connecting sheet 231 through the inserting tooth 2321 at the lower end, a structure for movably inserting the transverse connecting sheet 231 and the longitudinal connecting sheet 232 is formed, after the angle adjustment and the welding are finished, the longitudinal connecting sheet 232 is directly, the device can be moved towards the rear side and is detachable, the structural design is light, and the installation and the detachment are very convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A steel grating installation angle fine adjustment device is characterized by comprising a positioning frame, a rotating frame and an adjusting mechanism; the positioning frame comprises a front frame body, a rear frame body, a connecting rod, a positioning frame, a transverse plate, a connecting steel sheet and a cross-connecting circular tube; the front frame body and the rear frame body are arranged in a front-back opposite mode; the peripheries of the front frame body and the rear frame body are respectively fixed through connecting rods; a positioning frame is arranged between the front frame body and the rear frame body from top to bottom; a transverse plate is arranged in the middle of the positioning frame; a plurality of connecting steel sheets are uniformly arranged at the bottom of the front frame body; the bottom of each connecting steel sheet is fixedly provided with a through round pipe; the rotating frame comprises a bottom rotating rod, an abutting support, a middle rod and a limiting hook; the bottom rotating rod is rotatably connected to the through round pipe in a penetrating mode; the upper end of the bottom rotating rod is provided with an abutting support; the abutting support and the front frame body are arranged in parallel; the middle of the abutting support is provided with a middle rod; a plurality of limiting hooks are uniformly and movably arranged on the bottom rotating rod; an inserting gap is formed between the outer side of the bottom rotating rod and the limiting hook; the adjusting mechanism is arranged between the transverse plate of the positioning frame and the middle rod of the rotating frame; the adjusting mechanism comprises a rotary joint, a first screw rod, a second screw rod and a driving threaded cylinder; the side part of the middle rod and the side part of the transverse plate are respectively provided with a rotary joint; one end of the first screw rod is rotatably arranged on the rotating joint of the transverse plate; one end of the second screw rod is rotatably arranged on the rotary joint of the middle rod; the other ends of the first screw and the second screw are respectively in threaded rotary connection into the driving threaded cylinder from two ends of the driving threaded cylinder; the threads on the first screw rod and the second screw rod are arranged oppositely; and annular inner thread surfaces with opposite threads are respectively arranged in the two ends of the driving thread cylinder.
2. The steel grating installation angle fine adjustment device of claim 1, wherein the limiting hook comprises a transverse connecting piece and a longitudinal connecting piece; the transverse connecting sheets and the longitudinal connecting sheets form a right-angle structure; the transverse connecting sheet is fixed at the bottom of the bottom rotating rod; the longitudinal connecting sheet is positioned on the outer side of the rotating rod at the bottom; and an inserting gap is arranged between the longitudinal connecting sheet and the bottom rotating rod.
3. The fine adjustment device for the installation angle of the steel grating as claimed in claim 2, wherein the outer end of the transverse connecting piece is provided with an insertion groove; the lower end of the longitudinal connecting sheet is provided with inserting teeth; the longitudinal connecting piece is movably inserted into the inserting groove of the transverse connecting piece through the inserting teeth at the lower end.
4. The fine adjustment device for the installation angle of the steel grating as claimed in claim 1, wherein the front frame body and the rear frame body are both in a trapezoidal structure with a small top and a large bottom.
5. The fine adjustment device for the installation angle of the steel grating as claimed in claim 1, wherein a reinforcing rectangular frame is provided at each of both sides between the front frame and the rear frame.
6. The fine adjustment device for the installation angle of the steel grating as claimed in claim 1, wherein a plurality of evenly distributed abutting gaskets are attached to the outer side of the bottom rotating rod; the plurality of abutting gaskets and the plurality of limiting hooks are distributed at intervals; and the outer side surfaces of the abutting support and the middle rod are provided with abutting gaskets.
7. The steel grating installation angle fine adjustment device of claim 6, wherein the abutting brackets comprise two X-shaped brackets; the two X-shaped brackets are respectively arranged on the left side and the right side of the middle rod side by side; and the outer sides of the cross centers of the two X-shaped structure supports are respectively provided with an abutting gasket in a fitting manner.
8. The steel grating installation angle fine adjustment device of claim 7, wherein the abutting gasket is made of a rubber material.
9. The steel grating installation angle fine adjustment device of claim 1, wherein the positioning frame front frame is distributed obliquely; the rear frame bodies are vertically distributed; the longitudinal section of the side view of the positioning frame is of a right-angle trapezoidal structure with a small upper part and a large lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010195251.5A CN111168312B (en) | 2020-03-19 | 2020-03-19 | Steel grating installation angle fine adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010195251.5A CN111168312B (en) | 2020-03-19 | 2020-03-19 | Steel grating installation angle fine adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111168312A true CN111168312A (en) | 2020-05-19 |
| CN111168312B CN111168312B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010195251.5A Active CN111168312B (en) | 2020-03-19 | 2020-03-19 | Steel grating installation angle fine adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111168312B (en) |
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|---|---|---|---|---|
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| CN205470065U (en) * | 2016-01-29 | 2016-08-17 | 天津市金桥焊材集团有限公司 | A angular adjustment mechanism for thin paper box is unpacked |
| CN206854892U (en) * | 2017-06-12 | 2018-01-09 | 梁广海 | A kind of steel grating automatic welding device |
| CN208353272U (en) * | 2018-07-20 | 2019-01-08 | 鑫威铝业（漳州）有限公司 | A kind of high-performance solar aluminum frame |
| CN208396445U (en) * | 2017-11-08 | 2019-01-18 | 河北森沃金属制品股份有限公司 | A kind of coloured silk steel assembly enclosing |
| CN208489824U (en) * | 2018-08-19 | 2019-02-12 | 深圳市湘零科技有限公司 | A kind of movable solar energy photovoltaic panel mounting bracket |
| CN110653544A (en) * | 2018-06-30 | 2020-01-07 | 湖北少专船舶修造股份有限公司 | Welding supporting tool for steel plate inside ship body |
| CN211991595U (en) * | 2020-03-19 | 2020-11-24 | 上海越科新材料股份有限公司 | Steel grating installation angle fine adjustment device |
-
2020
- 2020-03-19 CN CN202010195251.5A patent/CN111168312B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100022730A (en) * | 2008-08-20 | 2010-03-03 | 최성열 | The stand of the solar panel |
| CN205470065U (en) * | 2016-01-29 | 2016-08-17 | 天津市金桥焊材集团有限公司 | A angular adjustment mechanism for thin paper box is unpacked |
| CN206854892U (en) * | 2017-06-12 | 2018-01-09 | 梁广海 | A kind of steel grating automatic welding device |
| CN208396445U (en) * | 2017-11-08 | 2019-01-18 | 河北森沃金属制品股份有限公司 | A kind of coloured silk steel assembly enclosing |
| CN110653544A (en) * | 2018-06-30 | 2020-01-07 | 湖北少专船舶修造股份有限公司 | Welding supporting tool for steel plate inside ship body |
| CN208353272U (en) * | 2018-07-20 | 2019-01-08 | 鑫威铝业（漳州）有限公司 | A kind of high-performance solar aluminum frame |
| CN208489824U (en) * | 2018-08-19 | 2019-02-12 | 深圳市湘零科技有限公司 | A kind of movable solar energy photovoltaic panel mounting bracket |
| CN211991595U (en) * | 2020-03-19 | 2020-11-24 | 上海越科新材料股份有限公司 | Steel grating installation angle fine adjustment device |
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| Publication number | Publication date |
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| CN111168312B (en) | 2024-05-03 |
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