CN111168312B - Steel grating installation angle fine adjustment device - Google Patents
Steel grating installation angle fine adjustment device Download PDFInfo
- Publication number
- CN111168312B CN111168312B CN202010195251.5A CN202010195251A CN111168312B CN 111168312 B CN111168312 B CN 111168312B CN 202010195251 A CN202010195251 A CN 202010195251A CN 111168312 B CN111168312 B CN 111168312B
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- rod
- frame body
- screw rod
- steel grating
- connecting piece
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- 238000009434 installation Methods 0.000 title claims abstract description 23
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect 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
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 steel grating installation angle fine adjustment device 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 rotate in a threaded mode on the first screw rod, and threads of the second screw rod and the first screw rod are oppositely arranged, so that when the driving threaded cylinder rotates in the threaded mode on the first screw rod, the second screw rod can be driven to stretch and retract, the second screw rod drives the middle rod to move, and then the abutting support, the middle rod and the limiting hook rotate around the cross-connection circular tube through the bottom rotating rod in a matched mode, and accordingly the steel grating mounted on the limiting hook is driven to rotate to realize angle adjustment.
Description
Technical Field
The invention relates to a steel grating installation angle fine adjustment device.
Background
In welding a blade male die and the like with a steel grating, the installation of the steel grating can be divided into vertical installation and angular installation according to different included angles between the plane of the steel grating and the horizontal plane, and the steel grating with the angular installation is 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 lifting and maintaining the hanging state. When the steel grating plate needs to be installed with an angle, the method adopted at present is to finely adjust the forward or backward dragging steel grating plate to incline to a certain angle. The steel grating plate with angle installation is large in size and about a semicircle with a radius of about 2 meters, and the steel grating plate is only 5mm thick and is not enough in rigidity, and the steel grating plate is easy to deform in the angle adjustment towing process to influence the accuracy of a steel frame, so that a special tool is required for auxiliary installation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the steel grating installation angle fine adjustment device is convenient to fine-adjust and detach.
In order to solve the problems, the invention adopts the following technical scheme:
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-connected circular tube; the front frame body and the rear frame body are arranged in a front-back opposite way; 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 bottoms of the connecting steel sheets are respectively fixedly provided with a cross-connected circular tube; the rotating frame comprises a bottom rotating rod, an abutting support, a middle rod and a limiting hook; the bottom rotating rod is rotationally connected to the connected circular pipe in a penetrating way; 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; an intermediate rod is arranged in the middle of the abutting support; a plurality of limit hooks are uniformly and movably arranged on the bottom rotating rod; an inserting gap is arranged 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 rotary 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 rod and the second screw rod are respectively connected into the driving thread cylinder in a threaded manner from two ends of the driving thread cylinder respectively; the screw teeth on the first screw rod and the second screw rod are oppositely arranged; annular internal thread surfaces with opposite threads are respectively arranged in the two ends of the driving thread cylinder.
Further, the limit hook comprises a transverse connecting sheet and a longitudinal connecting sheet; the transverse connecting piece and the longitudinal connecting piece form a right-angle structure; the transverse connecting piece is fixed at the bottom of the bottom rotating rod; the longitudinal connecting piece 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.
Further, the outer end of the transverse connecting piece is provided with a splicing 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 connected with the transverse connecting piece through the inserting tooth at the lower end.
Furthermore, the front frame body and the rear frame body are of trapezoid structures with small upper parts and large lower parts.
Further, the two sides between the front frame body and the rear frame body are respectively provided with a reinforced rectangular frame body.
Further, a plurality of uniformly 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 structure; 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 structural brackets are respectively attached and provided with an abutting gasket.
Further, the abutting pad is made of rubber materials.
Further, the front frame body of the positioning frame is obliquely distributed; the rear frame body is vertically distributed; the longitudinal section of the locating rack in side view is of a right trapezoid structure with a small upper part and a large lower part.
The beneficial effects of the invention are that
1. In order to achieve 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 face of the steel grating is abutted against the abutting support, then the driving threaded cylinder is rotated to enable the driving threaded cylinder to rotate in a threaded mode on the first screw rod, and as threads of the second screw rod and threads of the first screw rod are oppositely arranged, the second screw rod can be driven to stretch and retract when the driving threaded cylinder rotates in the threaded mode, the second screw rod drives the middle rod to move, and then the middle rod and the rotating joint at the end portion of the second screw rod are matched, so that the abutting support, the middle rod and the limiting hook rotate around the penetrating round tube through the bottom rotating rod, the steel grating mounted on the limiting hook is driven to rotate, and therefore the limiting hook angle is adjusted.
2. The limiting hook comprises a transverse connecting piece and a longitudinal connecting piece, wherein the transverse connecting piece and the longitudinal connecting piece form a right-angle structure, the transverse connecting piece is fixed at the bottom of a bottom rotating rod, the longitudinal connecting piece is positioned at the outer side of the bottom rotating rod, an inserting gap is arranged between the longitudinal connecting piece and the bottom rotating rod, 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 piece, inserting teeth are arranged at the lower end of the longitudinal connecting piece, the longitudinal connecting piece is movably inserted into the inserting groove of the transverse connecting piece connected with the transverse connecting piece through the inserting teeth at the lower end, a structure for movably inserting the transverse connecting piece and the longitudinal connecting piece is formed, after angle adjustment and welding are finished, the longitudinal connecting piece is directly pulled out from the transverse connecting piece, the device can be disassembled after being moved to the rear side, the structure design is light, and the installation and disassembly are very convenient.
Drawings
Fig. 1 is a schematic view of the structure of an insert steel grating according to the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention.
Fig. 3 is a schematic view of a partial enlarged bottom structure 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 view of the limiting hook according to the present invention.
Fig. 6 is a schematic 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 steel grating installation angle fine adjustment device comprises a positioning frame 1, a rotating frame 2 and an adjusting mechanism 3; the positioning frame 1 comprises a front frame 11, a rear frame 12, a connecting rod 15, a positioning frame 16, a transverse plate 17, a connecting steel sheet 18 and a penetrating round tube 13; the front frame 11 and the rear frame 12 are arranged in a front-back opposite way; the peripheries of the front frame 11 and the rear frame 12 are respectively fixed through connecting rods 15; a positioning frame 16 is arranged in the middle of the front frame 11 and the rear frame 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 11; the bottoms of the connecting steel sheets 18 are respectively fixedly provided with a cross-connected circular tube 13; the rotating frame 2 comprises a bottom rotating rod 22, an abutting support 21, a middle rod 24 and a limit hook 23; the bottom rotating rod 22 is rotationally connected to the connecting round pipe 13 in a penetrating way; the upper end of the bottom rotating rod 22 is provided with an abutting support 21; the abutting support 21 and the front frame 11 are arranged in parallel; an intermediate lever 24 is installed in the middle of the abutment bracket 21; a plurality of limit hooks 23 are uniformly and movably arranged on the bottom rotating rod 22; an inserting gap is arranged 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 thread cylinder 34; the side of the intermediate lever 24 and the side of the cross plate 17 are respectively provided with a rotary joint 33; one end of the first screw 31 is rotatably mounted on the 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 lever 24; the other ends of the first screw 31 and the second screw 32 are respectively screwed into the driving thread cylinder 34 from two ends of the driving thread cylinder 34; the threads on the first screw 31 and the second screw 32 are oppositely arranged; annular inner thread surfaces with opposite threads are respectively arranged inside the two ends of the driving thread cylinder 34.
As shown in fig. 1 to 5, it is further preferable that the limit hook 23 includes a transverse connection piece 231 and a longitudinal connection piece 232; the transverse connecting piece 231 and the longitudinal connecting piece 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 positioned on the outer side of the bottom rotating rod 22; an insertion gap is provided between the longitudinal connecting piece 232 and the bottom rotating rod 22. Further, an insertion slot 2311 is formed at the outer end of the transverse connection piece 231; the lower end of the longitudinal connecting piece 232 is provided with a plug tooth 2321; the longitudinal connecting piece 232 is movably inserted into the inserting groove 2311 of the transverse connecting piece 231 through the inserting tooth 2321 at the lower end. Further, the front frame 11 and the rear frame 12 each have a trapezoid 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 uniformly 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; the outer side surfaces of the abutting support 21 and the intermediate lever 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 crossed centers of the two X-shaped structural brackets are respectively attached and provided with an abutting gasket 5. Further, the abutment pad 5 is made of a rubber material. The abutting gasket 5 is used for abutting with the inner side face of the steel grating 4, so that the inner side face of the steel grating 4 is more stable in abutting and collision is avoided.
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 obliquely distributed; the rear frame 12 is vertically distributed; the longitudinal section of locating rack 1 looks sideways is the right trapezoid structure of big end down, and the angle of inclination of frame 11 and vertical direction is 4 degrees before with, keeps butt support 21 and the parallel arrangement of frame 11 before, and the inclination a of butt support 21 and vertical direction is 4 degrees like this, and the steel grating of butt in the butt support 21 outside can rotate the scope of adjusting for 0 to 4 degrees in outside vertical direction like this, so can inject the angle scope of fine setting.
In order to achieve convenient angle adjustment of the steel grating 4, the bottom of the steel grating 4 is inserted into an insertion gap 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 against the abutting support 21, then the driving thread cylinder 34 is rotated by rotating the driving thread cylinder 34 to enable the driving thread cylinder 34 to rotate in a thread mode on the first screw rod 31, and as threads of the second screw rod 32 and the first screw rod 31 are oppositely arranged, the driving thread cylinder 34 can drive the second screw rod 32 to stretch and retract when the first screw rod 31 rotates, the second screw rod 32 drives the middle rod 24 to move, and then the rotating joints 33 at the ends of the first screw rod 31 and the second screw rod 32 are matched, so that the abutting support 21, the middle rod 24 and the limiting hook 23 rotate around the penetrating round pipe 13 through the bottom rotating rod 22, and the steel grating 4 mounted on the limiting hook 23 is driven to rotate, and therefore angle adjustment of the limiting hook 23 is achieved. The limiting hook 23 designed by the invention comprises a transverse connecting piece 231 and a longitudinal connecting piece 232, wherein the transverse connecting piece 231 and the longitudinal connecting piece 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 positioned at the outer side of the bottom rotating rod 22, an inserting gap is arranged between the longitudinal connecting piece 232 and the bottom rotating rod 22, the bottom of the steel grating 4 can be inserted into the inserting gap, an inserting groove 2311 is arranged at the outer end of the transverse connecting piece 231, an inserting tooth 2321 is arranged at the lower end of the longitudinal connecting piece 232, the longitudinal connecting piece 232 is movably inserted into the inserting groove 2311 of the transverse connecting piece 231 through the inserting tooth 2321 at the lower end, a structure of movably inserting the transverse connecting piece 231 and the longitudinal connecting piece 232 is formed, after angle adjustment and welding are finished, the longitudinal connecting piece 232 is directly pulled out from the transverse connecting piece 231, the device can be disassembled after being moved to the rear side, the structure design is light, and the installation and disassembly are quite convenient.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The 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-connected circular tube; the front frame body and the rear frame body are arranged in a front-back opposite way; 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 bottoms of the connecting steel sheets are respectively fixedly provided with a cross-connected circular tube; the rotating frame comprises a bottom rotating rod, an abutting support, a middle rod and a limiting hook; the bottom rotating rod is rotationally connected to the connected circular pipe in a penetrating way; 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; an intermediate rod is arranged in the middle of the abutting support; a plurality of limit hooks are uniformly and movably arranged on the bottom rotating rod; an inserting gap is arranged 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 rotary 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 rod and the second screw rod are respectively connected into the driving thread cylinder in a threaded manner from two ends of the driving thread cylinder respectively; the screw teeth on the first screw rod and the second screw rod are oppositely arranged; annular internal thread surfaces with opposite threads are respectively arranged in the two ends of the driving thread cylinder; the limit hook comprises a transverse connecting sheet and a longitudinal connecting sheet; the transverse connecting piece and the longitudinal connecting piece form a right-angle structure; the transverse connecting piece is fixed at the bottom of the bottom rotating rod; the longitudinal connecting piece 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; the front frame body and the rear frame body are of trapezoid structures with small upper parts and large lower parts.
2. The steel grating installation angle fine adjustment device according to claim 1, wherein the outer end of the transverse connecting piece is provided with a plugging 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 connected with the transverse connecting piece through the inserting tooth at the lower end.
3. The steel grating installation angle fine adjustment device according to claim 1, wherein the reinforcing rectangular frames are respectively arranged on two sides between the front frame and the rear frame.
4. The steel grating installation angle fine adjustment device according to claim 1, wherein a plurality of uniformly distributed abutting gaskets are attached to the outer side of the bottom rotating rod; the abutting gaskets and the limiting hooks are distributed alternately; and the outer side surfaces of the abutting support and the middle rod are provided with abutting gaskets.
5. The steel grating installation angle fine adjustment device according to claim 4, wherein the abutment bracket 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 side by side; and the outer sides of the cross centers of the two X-shaped brackets are respectively attached and provided with an abutting gasket.
6. The steel grating installation angle fine adjustment device according to claim 5, wherein the abutment pad is made of a rubber material.
7. The steel grating installation angle fine adjustment device according to claim 1, wherein the front frame body of the positioning frame is obliquely distributed; the rear frame body is vertically distributed; the longitudinal section of the locating rack in side view is of a right trapezoid 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 CN111168312A (en) | 2020-05-19 |
| CN111168312B true CN111168312B (en) | 2024-05-03 |
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Family Applications (1)
| 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) |
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 |
| 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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| CN111168312A (en) | 2020-05-19 |
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