CN216030500U - Steel construction installation device that can install fast - Google Patents
Steel construction installation device that can install fast Download PDFInfo
- Publication number
- CN216030500U CN216030500U CN202121865766.8U CN202121865766U CN216030500U CN 216030500 U CN216030500 U CN 216030500U CN 202121865766 U CN202121865766 U CN 202121865766U CN 216030500 U CN216030500 U CN 216030500U
- Authority
- CN
- China
- Prior art keywords
- fixed
- steel structure
- connecting block
- block
- workbench
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 58
- 239000010959 steel Substances 0.000 title claims abstract description 58
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 title claims description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses a steel structure installation device capable of being installed quickly, which comprises a workbench and a steel structure body, two second support plates are respectively arranged at the front end and the rear end of one side of the upper surface of the workbench, a transverse plate is fixed on the upper surfaces of the two second support plates, the upper surface of the transverse plate is provided with a round hole, the upper surface of the transverse plate is fixed with a hydraulic cylinder, a hydraulic rod movably arranged on the lower surface of the hydraulic cylinder penetrates through the round hole arranged on the transverse plate, a first connecting block is fixed at the bottom end of the hydraulic rod, a second motor is fixed at the bottom end of the first connecting block, the bottom end of a transmission shaft connected with the second motor in a rotating mode is fixedly provided with a fixed block, the front end and the rear end of the fixed block are respectively fixedly provided with two fixed strips, two fixed blocks are symmetrically fixed on one side, opposite to each other, of each fixed strip, a through groove is formed in one side of each fixed block, and the steel structure body penetrates through the through groove formed in the fixed block. The utility model has the advantages of fixing the steel structure and adjusting and installing according to the required angle.
Description
Technical Field
The utility model relates to the technical field of steel equipment, in particular to a steel structure mounting device capable of being mounted quickly.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer. The steel structure is easy to rust, and generally the steel structure needs to be derusted, galvanized or painted, and needs to be maintained regularly. When the steel structure is installed, the steel structure is placed on a workbench and is easy to roll off, and time and labor are wasted when the steel structure is installed and the steel structure is required to be moved and adjusted manually by adjusting the angle.
Through a large number of searches, the following results are found: chinese utility model patent column: application number CN201822163251.8, publication number CN209319165U, steel construction installation device mainly has the workstation, the top of workstation is provided with the mount table, the spacing groove has been seted up at the top of mount table, the top rear side rigid coupling of workstation has the backup pad, the top rigid coupling of backup pad has the crossbeam board, the activity groove has been seted up at the top of crossbeam board, the inner chamber in activity groove is connected with bears the frame, the top left side of crossbeam board is provided with the cylinder, the inner chamber that bears the frame is provided with erects to move hydraulic rod, it is provided with fixture to erect the bottom that moves hydraulic rod, the left and right sides of mount table is provided with compresses tightly the roating seat, it all rotates in one side of keeping away from each other to compress tightly the roating seat and is connected with the compression bar, bottom between the compression bar rotates and is connected with and compresses tightly hydraulic rod.
The angle that current steel construction installation device can not adjust the steel construction as required installs.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel structure installation device capable of being installed quickly, which has the advantages of fixing a steel structure and adjusting and installing the steel structure according to a required angle, and solves the problems that the steel structure is easy to roll off when being placed on a workbench, and the steel structure needs to be moved and the angle needs to be adjusted manually during installation, so that time and labor are wasted.
In order to achieve the purpose, the utility model provides the following technical scheme: a steel structure installation device capable of being quickly installed, which comprises a workbench, a steel structure body, a second groove and a third connecting block, two second support plates are respectively arranged at the front end and the rear end of one side of the upper surface of the workbench, a transverse plate is fixed on the upper surfaces of the two second support plates, the upper surface of the transverse plate is provided with a round hole, the upper surface of the transverse plate is fixed with a hydraulic cylinder, a hydraulic rod movably arranged on the lower surface of the hydraulic cylinder penetrates through the round hole arranged on the transverse plate, a first connecting block is fixed at the bottom end of the hydraulic rod, a second motor is fixed at the bottom end of the first connecting block, the bottom end of a transmission shaft connected with the second motor in a rotating mode is fixedly provided with a fixed block, the front end and the rear end of the fixed block are respectively fixedly provided with two fixed strips, two fixed blocks are symmetrically fixed on one side, opposite to each other, of each fixed strip, a through groove is formed in one side of each fixed block, and the steel structure body penetrates through the through groove formed in the fixed block.
Preferably, two first supporting plates are fixed to the front end and the rear end of the other side of the upper surface of the workbench respectively, and transverse plates are fixed to the upper surfaces of the two first supporting plates.
Preferably, a control switch box is fixed on one side of the front end of the workbench, and a display screen and buttons are sequentially embedded and mounted on the control switch box from top to bottom.
Preferably, a first sliding groove is formed in the front end of the upper surface of the workbench, a second sliding block is fixed at the bottom end of a second supporting plate at the front end of the upper surface of the workbench, and the second sliding block fixed by the second supporting plate is in sliding connection with the first sliding groove formed in the workbench.
Preferably, a second groove is formed in the rear end of the upper surface of the workbench, a fixing plate is fixed to the bottom end of the second groove formed in the workbench, two second sliding grooves are formed in the front end and the rear end of the fixing plate respectively, a first sliding block fixed to the lower surface of the third connecting block is in sliding connection with the second sliding grooves, a second connecting block is fixed to the upper surface of the third connecting block, and a second supporting plate is fixed to the upper surface of the second connecting block.
Preferably, a first motor is fixed on one side of the workbench, a transmission shaft connected through rotation of the first motor penetrates through a round hole formed in one side of the workbench, a lead screw is fixed on one side of the transmission shaft connected through rotation of the first motor, a threaded hole is formed in one side of the third connecting block, the lead screw is in threaded connection with the threaded hole formed in the third connecting block and penetrates through the threaded hole, and one side of the lead screw is connected with one side of the inner wall of the second groove in a rotating mode.
Preferably, a first groove is formed in the middle of the upper surface of the workbench.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement, two second support plates are respectively arranged at the front end and the rear end of one side of the upper surface of the workbench, the upper surfaces of the two second support plates are fixedly provided with transverse plates, the upper surfaces of the transverse plates are provided with round holes, hydraulic cylinders are fixedly arranged on the upper surfaces of the transverse plates, hydraulic rods movably arranged on the lower surfaces of the hydraulic cylinders penetrate through the round holes formed in the transverse plates, first connecting blocks are fixedly arranged at the bottom ends of the hydraulic rods, second motors are fixedly arranged at the bottom ends of transmission shafts rotatably connected with the second motors, two fixing strips are respectively fixedly arranged at the front end and the rear end of each fixing block, two fixing blocks are symmetrically fixed at the opposite sides of the two fixing strips, penetrating grooves are formed in one side of the three fixing blocks, a steel structure body penetrates through the penetrating grooves formed in the fixing blocks, when the steel structure body needs to be adjusted and fixed, the steel structure body penetrates through the penetrating grooves formed in the fixing blocks, and then the hydraulic cylinders and the second motors are started, make the steel construction body rise rotation regulation to suitable angle, reached fixed and angle regulation's effect.
2. The utility model is provided with a first sliding groove arranged at the front end of the upper surface of a workbench, a second sliding block fixed at the bottom end of a second support plate arranged at the front end of the upper surface of the workbench, the second sliding block fixed by the second support plate is connected with the first sliding groove arranged on the workbench in a sliding way, a second groove arranged at the rear end of the upper surface of the workbench, a fixed plate fixed at the bottom end of the second groove arranged on the workbench, two second sliding grooves respectively arranged at the front end and the rear end of the fixed plate, a first sliding block fixed at the lower surface of a third connecting block is connected with the second sliding groove in a sliding way, a second connecting block fixed at the upper surface of the third connecting block, a second support plate fixed at the upper surface of the second connecting block, when the steel structure body needs to be moved, the first motor is started, so that the first motor rotates to drive the screw rod to rotate, the second support plate is moved to a proper position, and the effects that manual movement is not needed and the working efficiency is improved are achieved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a side cross-sectional structural schematic view of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 4 in accordance with the present invention;
fig. 6 is an enlarged view of fig. 4 at B according to the present invention.
In the figure: 1. a first motor; 2. a work table; 3. a fixed block; 4. a transverse plate; 5. a hydraulic cylinder; 6. a first support plate; 7. a steel structure body; 8. a fixing strip; 9. a second support plate; 10. controlling a switch box; 11. a hydraulic lever; 12. a first connection block; 13. a second motor; 14. a through groove; 15. a first groove; 16. a first chute; 17. a screw rod; 18. a second groove; 19. a second connecting block; 20. a threaded hole; 21. a third connecting block; 22. a first slider; 23. a second chute; 24. a fixing plate; 25. and a second slider.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, an embodiment of the present invention includes: a steel structure installation device capable of being installed rapidly comprises a workbench 2, a steel structure body 7, a second groove 18 and a third connecting block 21, wherein two second support plates 9 are respectively placed at the front end and the rear end of one side of the upper surface of the workbench 2, two first support plates 6 are respectively fixed at the front end and the rear end of the other side of the upper surface of the workbench 2, a transverse plate 4 is fixed on the upper surfaces of the two first support plates 6, a control switch box 10 is fixed on one side of the front end of the workbench 2, a display screen and buttons are sequentially embedded and installed on the control switch box 10 from top to bottom, a first groove 15 is formed in the middle of the upper surface of the workbench 2, the workbench 2 is used for installing the steel structure body 7, the second support plates 9 are used for supporting the transverse plate 4, the second support plates 9 are convenient to install a moving device and are convenient to move, the first support plates 6 are used for supporting the transverse plate 4, the control switch box 10 is used for controlling the starting and stopping of a first motor 1, a hydraulic cylinder 5 and a second motor 13, the first groove 15 facilitates placement of the fixing block 3 and installation of the steel structure body 7, and as is well known to those skilled in the art, the control switch box 10 is provided with common knowledge belonging to conventional means or common general knowledge, which is not described herein again, and those skilled in the art can make any choice according to their needs or convenience.
A transverse plate 4 is fixed on the upper surfaces of the two second support plates 9, a first chute 16 is arranged at the front end of the upper surface of the workbench 2, a second sliding block 25 is fixed at the bottom end of the second support plate 9 at the front end of the upper surface of the workbench 2, the second sliding block 25 fixed on the second support plate 9 is slidably connected with the first chute 16 arranged on the workbench 2, a second groove 18 is arranged at the rear end of the upper surface of the workbench 2, a fixed plate 24 is fixed at the bottom end of the second groove 18 arranged on the workbench 2, two second chutes 23 are respectively arranged at the front end and the rear end of the fixed plate 24, a first sliding block 22 fixed on the lower surface of a third connecting block 21 is slidably connected with the second chute 23, a second connecting block 19 is fixed on the upper surface of the third connecting block 21, a second support plate 9 is fixed on the upper surface of the second connecting block 19, a first motor 1 is fixed on one side of the workbench 2, a transmission shaft rotatably connected with the first motor 1 penetrates through a round hole arranged on one side of the workbench 2, a screw rod 17 is fixed on one side of a transmission shaft rotationally connected with a first motor 1, a threaded hole 20 is formed on one side of a third connecting block 21, the screw rod 17 is in threaded connection with the threaded hole 20 formed in the third connecting block 21 and penetrates through the threaded hole, one side of the screw rod 17 is rotationally connected with one side of the inner wall of a second groove 18, a hydraulic cylinder 5 is conveniently fixed by a transverse plate 4, a first sliding groove 16 is in sliding connection with a second sliding block 25 so that a second supporting plate 9 can conveniently move, the second groove 18 is convenient for fixing a fixing plate 24, a second sliding groove 23 formed in the fixing plate 24 is convenient for sliding connection with a first sliding block 22, meanwhile, the first sliding block 22 plays a limiting role, the screw rod 17 is in threaded connection with the threaded hole 20 so that the third connecting block 21 can move when the screw rod 17 rotates, the third connecting block 21 moves so that the second supporting plate 9 moves, the first motor 1 provides power for the rotation of the screw rod 17, as well known by the skilled person, the provision of the first electric machine 1 is well known and is of conventional or common general knowledge and will not be described in detail herein, and any adaptation may be made by a person skilled in the art as required or convenient.
As is well known to those skilled in the art, the hydraulic cylinder 5 is provided on the upper surface of the transverse plate 4, and the hydraulic cylinder 5 provides power for the extension and retraction of the hydraulic rod 11, and as is well known to those skilled in the art, the hydraulic cylinder 5 is provided with a common knowledge, which belongs to a conventional means or a common knowledge and is not described herein again, and those skilled in the art can optionally select and match according to their needs or convenience, the hydraulic rod 11 movably mounted on the lower surface of the hydraulic cylinder 5 penetrates through the circular hole provided in the transverse plate 4, the bottom end of the hydraulic rod 11 is fixed with the first connecting block 12, the first connecting block 12 is used for fixing the second motor 13, the bottom end of the first connecting block 12 is fixed with the second motor 13, the second motor 13 provides power for the rotation of the fixed block 3, as is well known to those skilled in the art, the second motor 13 provides a common knowledge, which belongs to a conventional means or a common knowledge and is not described herein again, technical personnel in the field can carry out arbitrary apolegamy according to its needs or facility, second motor 13 rotates the transmission shaft bottom mounting of connecting and has fixed block 3, both ends are fixed with two fixed strips 8 respectively around fixed block 3, fixed strip 8 can be fixed with three fixed block 3, two fixed strip 8 relative one side symmetries are fixed with two fixed blocks 3, three fixed block 3 one side has been seted up and has been run through groove 14, steel structure body 7 runs through the groove 14 that runs through that fixed block 3 seted up, run through groove 14 and make steel structure body 7 can run through and make steel structure body 7 can not roll down in the installation on workstation 2.
The working principle is as follows: when steel structure body 7 is required to be installed, run through the through groove 14 that fixed block 3 was seted up with steel structure body 7, at operation control switch box 10, make pneumatic cylinder 5 start, raise fixed block 3, at operation control switch box 10, make second motor 13 start, make the steel structure body 7 rotation adjustment in the fixed block 3 to suitable angle, open first motor 1 again, make first motor 1 rotate the transmission shaft of connecting and rotate and drive lead screw 17 and rotate, lead screw 17 rotates and makes second extension board 9 remove to suitable position, steel structure body 7 butt joint installation.
It will be evident to those skilled in the art that the utility model 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 utility model 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.
Claims (7)
1. The utility model provides a but steel construction installation device of quick installation, includes workstation (2), steel construction body (7), second recess (18) and third connecting block (21), its characterized in that: two second support plates (9) are respectively placed at the front end and the rear end of one side of the upper surface of the workbench (2), a transverse plate (4) is fixed on the upper surface of the two second support plates (9), a round hole is formed in the upper surface of the transverse plate (4), a hydraulic cylinder (5) is fixed on the upper surface of the transverse plate (4), a hydraulic rod (11) movably mounted on the lower surface of the hydraulic cylinder (5) penetrates through the round hole formed in the transverse plate (4), a first connecting block (12) is fixed at the bottom end of the hydraulic rod (11), a second motor (13) is fixed at the bottom end of the first connecting block (12), a fixed block (3) is fixed at the bottom end of a transmission shaft rotatably connected with the second motor (13), two fixed strips (8) are respectively fixed at the front end and the rear end of the fixed block (3), two fixed blocks (3) are symmetrically fixed at one side opposite to the fixed strips (8), and a penetrating groove (14) is formed in one side of the three fixed blocks (3), the steel structure body (7) penetrates through a penetrating groove (14) formed in the fixing block (3).
2. The steel structure installation device capable of being installed rapidly according to claim 1, wherein: two first supporting plates (6) are respectively fixed at the front end and the rear end of the other side of the upper surface of the workbench (2), and transverse plates (4) are fixed on the upper surfaces of the two first supporting plates (6).
3. The steel structure installation device capable of being installed rapidly according to claim 1, wherein: a control switch box (10) is fixed on one side of the front end of the workbench (2), and a display screen and buttons are sequentially installed on the control switch box (10) in an embedded mode from top to bottom.
4. The steel structure installation device capable of being installed rapidly according to claim 1, wherein: first spout (16) have been seted up to workstation (2) upper surface front end, second extension board (9) bottom mounting of workstation (2) upper surface front end has second sliding block (25), and first spout (16) that workstation (2) were seted up are connected to second sliding block (25) sliding connection that second extension board (9) were fixed.
5. The steel structure installation device capable of being installed rapidly according to claim 1, wherein: second recess (18) have been seted up to workstation (2) upper surface rear end, second recess (18) bottom mounting that workstation (2) were seted up has fixed plate (24), two second spout (23) have been seted up respectively at both ends around fixed plate (24), first sliding block (22) sliding connection second spout (23) of third connecting block (21) fixed surface, third connecting block (21) upper surface fixed has second connecting block (19), second connecting block (19) upper surface fixed has second extension board (9).
6. The steel structure installation device capable of being installed rapidly according to claim 1, wherein: workstation (2) one side is fixed with first motor (1), and the transmission shaft that first motor (1) rotated to connect runs through the round hole that workstation (2) one side was seted up, and transmission shaft one side that first motor (1) rotated to connect is fixed with lead screw (17), and threaded hole (20) are seted up to third connecting block (21) one side, and screw hole (20) that third connecting block (21) were seted up are connected to lead screw (17) threaded connection, and run through, lead screw (17) one side is rotated with second recess (18) inner wall one side and is connected.
7. The steel structure installation device capable of being installed rapidly according to claim 1, wherein: a first groove (15) is formed in the middle of the upper surface of the workbench (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121865766.8U CN216030500U (en) | 2021-08-11 | 2021-08-11 | Steel construction installation device that can install fast |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121865766.8U CN216030500U (en) | 2021-08-11 | 2021-08-11 | Steel construction installation device that can install fast |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216030500U true CN216030500U (en) | 2022-03-15 |
Family
ID=80619850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202121865766.8U Expired - Fee Related CN216030500U (en) | 2021-08-11 | 2021-08-11 | Steel construction installation device that can install fast |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216030500U (en) |
-
2021
- 2021-08-11 CN CN202121865766.8U patent/CN216030500U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN209261234U (en) | A kind of truss floor support plate automatic assembling apparatus | |
CN218363073U (en) | Steel pipe iron tower equipment reinforcing and forming machine | |
CN216030500U (en) | Steel construction installation device that can install fast | |
CN216607805U (en) | Fixing device convenient to steel construction welding | |
CN109244910B (en) | Assembling tool for switch cabinet | |
CN215443185U (en) | Adjustable support for steel structure installation | |
CN212428001U (en) | Telescopic scaffold for building engineering | |
CN208445117U (en) | A kind of power distribution cabinet support frame being moved easily installation | |
CN216802225U (en) | Welding device for producing small wind driven generator | |
CN211949207U (en) | Reinforced structure of steel structure column | |
CN215156910U (en) | Mounting platform is used in electromechanical device production | |
CN212217805U (en) | Steel pipe machining clamping device | |
CN219158173U (en) | Steel structure beam | |
CN215317327U (en) | Steel structure cutting device | |
CN217053666U (en) | Municipal works drainage open channel construction maintenance device | |
CN221095918U (en) | Quick hoist and mount positioner of PC superimposed sheet | |
CN115263002B (en) | Masonry mortar joint thickness control joint pointing-free device and method for house construction | |
CN215316711U (en) | Steel member processing and welding device with good fixing effect | |
CN214744745U (en) | Multifunctional device for electromechanical installation of construction engineering | |
CN215618852U (en) | Box girder wedge-shaped block prefabricating pedestal for different spans | |
CN219098355U (en) | Chemical fiber winding structure for chemical fiber quilt production | |
CN216399565U (en) | A processing crane for door and window | |
CN220955431U (en) | 35Kv or more skid-mounted electric control integrated transformer substation movable type cat ladder | |
CN219975664U (en) | Auxiliary device for electromechanical engineering construction | |
CN220943821U (en) | Steel construction auxiliary device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |