CN112824621A - High-span steel structure arc top device based on pressure difference turbulence principle - Google Patents
High-span steel structure arc top device based on pressure difference turbulence principle Download PDFInfo
- Publication number
- CN112824621A CN112824621A CN201911138022.3A CN201911138022A CN112824621A CN 112824621 A CN112824621 A CN 112824621A CN 201911138022 A CN201911138022 A CN 201911138022A CN 112824621 A CN112824621 A CN 112824621A
- Authority
- CN
- China
- Prior art keywords
- movably connected
- rod
- seat
- pressure difference
- device based
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 47
- 239000010959 steel Substances 0.000 title claims abstract description 47
- 230000008093 supporting effect Effects 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 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
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
- E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
- E04B7/102—Shell structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/16—Roof structures with movable roof parts
- E04B7/166—Roof structures with movable roof parts characterised by a translation movement of the movable roof part, with or without additional movements
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of combined steel structures, and discloses a high-span steel structure arc top device based on a pressure difference turbulence principle, which comprises a cross beam, wherein the middle part of the lower end of the cross beam is movably connected with a supporting seat, the right end of the supporting seat is movably connected with a hinged rod, one end of the hinged rod, which is far away from the supporting seat, is movably connected with a movable seat, the middle part of the movable seat is movably connected with a threaded rod, the outer side of the threaded rod, which is close to the lower end of the movable seat, is movably connected with a supporting frame, the high-span steel structure arc top device based on the pressure difference turbulence principle, achieves the effect of simple use by matching the structures such as the hinged rod, the movable seat, the threaded rod and the like, achieves the effect of wide applicability by matching the structures such as the fixed column, the oscillating rod, the movable block, the sliding, in the using process of the device, the effect of good safety performance is achieved.
Description
Technical Field
The invention relates to the technical field of combined steel structures, in particular to a high-span steel structure arc top device based on a pressure difference turbulence principle.
Background
The combined steel structure is a structure formed by steel materials, is one of main building structure types, mainly comprises beam steel, steel columns, steel trusses and other members made of section steel, steel plates and the like, adopts rust removal and prevention processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like, and is generally connected by welding lines, bolts or rivets among all members or parts, has light dead weight and simple and convenient construction, is widely applied to the fields of large-scale factory buildings, venues, super-high buildings and the like, and meanwhile, the steel structure building gradually appears in the vision of people, has various shapes and enriches the shapes of modern buildings.
In the prior various buildings, various types of combined steel structures can be seen, the combined steel structures not only have a supporting effect for the construction of the buildings, but also have a certain decorative effect to a certain extent, in some occasions, in order to ensure that the internal space is large enough, a high-span steel structure arc top structure is generally adopted as the optimization, the top of the structure adopts arc toughened glass to cover the top, certain dust can be accumulated on the top in the actual use, a certain height difference exists between the bottom and the ground, so that the dust on the top of the structure is difficult to remove, and sometimes other sundries fall on the arc top and are difficult to directly take out, and in daily use, severe weather is often encountered, in the arc top buildings, when a large storm occurs, the greater the flow velocity of fluid is known, namely the greater the pressure is smaller, the flow velocity at the arc top is large, pressure is little, leads to arc top below can produce ascending lift, when external wind-force is too big for the below of arc top receives very big effort, and ordinary arc top structure does not have the spoiler device of adaptation to come stable structure, has brought huge danger for in-service use, also can have certain safety risk simultaneously.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-span steel structure arc top device based on a pressure difference turbulence principle, which has the advantages of simplicity in use, wide applicability, good safety performance and the like, and solves the problems of complex operation, narrow applicability and safety risk of the traditional steel structure arc top device.
(II) technical scheme
In order to realize the purposes of simple use, wide applicability and good safety performance, the invention provides the following technical scheme: a high-span steel structure arc-shaped jacking device based on a pressure difference turbulence principle comprises a cross beam, wherein a supporting seat is movably connected to the middle of the lower end of the cross beam, a hinge rod is movably connected to the right end of the supporting seat, a moving seat is movably connected to one end, away from the supporting seat, of the hinge rod, a threaded rod is movably connected to the middle of the moving seat, a supporting frame is movably connected to the outer side, close to the lower end of the moving seat, of the threaded rod, a steel column is movably connected to the right end of the supporting frame, a fixed column is movably connected to the middle of the upper end of the cross beam, a swing rod is movably connected to the inner portion of the fixed column, a movable block is movably connected to the lower end of the swing rod, a slide rod is movably connected to the, the outer surface swing joint of pendulum rod has the brush piece, the lower extreme swing joint of brush piece has the arc, the right-hand member swing joint of arc has the fixed block, the inside swing joint of fixed block has the worm, the right-hand member swing joint of worm has the turbine, the upper end swing joint of turbine has spacing seat, the left end swing joint of worm has drive arrangement, the lower extreme swing joint of turbine has the movable rod.
Preferably, the left side and the right side of the supporting seat are movably connected with positioning bolts, the two hinged rods on the left side and the right side are movably connected onto the supporting seat through the positioning bolts, and the two hinged rods are symmetrical relative to the supporting seat.
Preferably, the hinge rod is movably connected with the movable seat through a screw.
Preferably, the number of the steel columns is two, the two steel columns are movably connected to the left side and the right side of the lower end of the cross beam respectively, and the moving seat and the supporting frame are connected to the left end of the steel column on the right side.
Preferably, the height of the swing rod is larger than that of the fixed column, and the upper end of the swing rod penetrates through the brush block and the arc-shaped plate.
Preferably, the lower end of the limiting ring is movably connected with a spring, the other end of the spring is movably connected to the upper end of the brush block, and the spring is wrapped on the outer side of the upper end of the oscillating rod.
Preferably, both ends swing joint has same fixed block about the arc, the inside of arc embedding fixed block, through screw swing joint between arc and the fixed block.
Preferably, the worm penetrates through the fixed block, the outer surface of the right end of the worm is provided with threads, and the threads of the worm are movably connected to the inner wall of the turbine.
Preferably, the upper end of the movable rod penetrates through the turbine and the limiting seat, and the top end of the movable rod is movably connected with a spoiler.
(III) advantageous effects
Compared with the prior art, the invention provides a high-span steel structure arc top device based on a pressure difference turbulence principle, which has the following beneficial effects:
1. this high-span steel constructs arc top device based on pressure difference vortex principle uses through the cooperation of hinge bar, removal seat, threaded rod, support frame isotructure, and in the device use, rotatory threaded rod, the position of adjustment removal seat has just changed the angle of hinge bar for the position of supporting seat is fixed or is relaxed, thereby has reached and has used simple and easy effect.
2. This high-span steel constructs arc top device based on pressure difference vortex principle uses through the cooperation of fixed column, pendulum rod, movable block, slide bar isotructure, and in the device use, behind the starter motor, the connecting rod just can drive the slide bar and rotate, and then the pendulum rod just swings thereupon, and then the brush piece of pendulum rod upper end will take place to remove to extensive applicability's effect has been reached.
3. This high-span steel constructs arc top device based on poor vortex principle of pressure uses through the cooperation of worm, turbine, spacing seat, drive arrangement isotructure, and in the device use, after starting drive arrangement, the worm just can drive the turbine rotation, and then the inside movable rod of worm wheel just can realize the up-and-down motion, and the effort that later arc received can change to the effect that the security performance is good has been reached.
Drawings
FIG. 1 is a schematic view of a connection structure according to the present invention;
FIG. 2 is an enlarged view of the area A in FIG. 1, together with a connection structure of a movable base, a threaded rod, a support frame, etc.;
FIG. 3 is an enlarged view of area B of FIG. 1 showing the connection structure of the fixed column, the swing rod, the movable block, etc.;
FIG. 4 is an enlarged view of the area C in FIG. 1, showing the connection structure of the fixing block, worm wheel, etc.
In the figure: 1-beam, 2-supporting seat, 3-hinged rod, 4-moving seat, 5-threaded rod, 6-supporting frame, 7-steel column, 8-fixed column, 9-swing rod, 10-movable block, 11-slide rod, 12-connecting rod, 13-motor, 14-spacing ring, 15-brush block, 16-arc plate, 17-fixed block, 18-worm, 19-turbine, 20-spacing seat, 21-driving device and 22-movable rod.
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. 1-4, a high-span steel structure arc-shaped roof device based on a pressure difference turbulence principle comprises a beam 1, a support seat 2 is movably connected to the middle of the lower end of the beam 1, a hinge rod 3 is movably connected to the right end of the support seat 2, positioning bolts are movably connected to the left side and the right side of the support seat 2, the two hinge rods 3 on the left side and the right side are movably connected to the support seat 2 through the positioning bolts, the two hinge rods 3 are symmetrical with respect to the support seat 2, the two hinge rods 3 are designed to ensure the stability of the support seat 2, a movable seat 4 is movably connected to one end of the hinge rod 3 away from the support seat 2, the hinge rod 3 is movably connected with the movable seat 4 through screws, a threaded rod 5 is movably connected to the middle of the movable seat 4, a support frame 6 is movably connected to the outer side, the steel column 7 has two altogether, swing joint is in the left and right sides of crossbeam 1 lower extreme respectively, remove the left end that seat 4 and support frame 6 connect at right side steel column 7, the middle part swing joint of crossbeam 1 upper end has fixed column 8, the inside swing joint of fixed column 8 has pendulum rod 9, the height that highly is greater than fixed column 8 of pendulum rod 9, brush 15 and arc 16 are run through to the upper end of pendulum rod 9, the lower extreme swing joint of pendulum rod 9 has movable block 10, the middle part swing joint of pendulum rod 9 has slide bar 11, the one end swing joint that pendulum rod 9 was kept away from to slide bar 11 has connecting rod 12, the lower extreme swing joint of connecting rod.
The top end of the swing rod 9 is movably connected with a limiting ring 14, the outer surface of the swing rod 9 is movably connected with a brush block 15, the lower end of the limiting ring 14 is movably connected with a spring, the other end of the spring is movably connected with the upper end of the brush block 15, meanwhile, the spring is wrapped on the outer side of the upper end of the swing rod 9, the spring is designed to provide a downward acting force for the brush block 15, so that the brush block 15 can always move around the outer surface of an arc-shaped plate 16 in the moving process, the lower end of the brush block 15 is movably connected with an arc-shaped plate 16, the right end of the arc-shaped plate 16 is movably connected with a fixed block 17, the left end and the right end of the arc-shaped plate 16 are movably connected with the same fixed block 17, the arc-shaped plate 16 is embedded into the fixed block 17, the arc-shaped plate 16, the outer surface of the right end of the worm gear is provided with threads, the thread of the worm 18 is movably connected to the inner wall of the turbine 19, the upper end of the turbine 19 is movably connected with a limiting seat 20, the left end of the worm 18 is movably connected with a driving device 21, the lower end of the turbine 19 is movably connected with a movable rod 22, the upper end of the movable rod 22 penetrates through the turbine 19 and the limiting seat 20, the top end of the movable rod 22 is movably connected with a spoiler, the spoiler is changed to ensure the stress condition of the arc-shaped plate 16, and meanwhile, the stability of the whole device is also ensured.
The working principle is that when the high-span steel structure arc top device based on the pressure difference turbulence principle is used and a high-span steel structure arc top structure needs to be reinforced, a worker shakes the threaded rod 5, the upper end of the threaded rod 5 is connected with the movable seat 4, the inner wall of the movable seat 4 is provided with grains matched with the surface of the threaded rod 5, then the threaded rod 5 and the movable seat 4 perform threaded motion to generate relative displacement, namely the movable seat 4 moves upwards, the hinged rod 3 is connected to the left end of the movable seat 4, the movable seat 4 moves upwards to generate thrust to the hinged rod 3, namely the supporting seat 2 at the left end of the hinged rod 3 is supported, the supporting seat 2 is connected to the lower end of the cross beam 1, namely the cross beam 1 is supported by the supporting seat 2, and the stability of the cross beam 1 is enhanced.
When a large storm occurs, the driving device 21 is started to rotate forwardly, the worm 18 is connected to the right end of the driving device 21, namely the driving device 21 drives the worm 18 to rotate, the other end of the worm 18 is connected to the inside of the turbine 19, namely the turbine 19 rotates along with the worm, the movable rod 22 is connected to the lower end of the turbine 19, the movable rod 22 is driven to perform threaded motion after the turbine 19 rotates, relative displacement is generated, the upper end of the turbine 19 is limited by the limiting seat 20, the movable rod 22 moves upwards under the guidance of the turbine 19, meanwhile, the spoiler at the top end is driven to lift up, when wind passes through the spoiler, the flow velocity below the spoiler is large, the pressure intensity is small, a pressure difference is generated above and below the spoiler, the spoiler has downward pressure on the cross beam 1, the cross beam 1 is stabilized, the upward lift force generated by the arc-shaped plate 16 is counteracted, and the structural stability.
When sundries need to be removed from the upper surface of the arc top 7, the motor 13 is started, the front of the motor 13 is connected with the connecting rod 12, namely the connecting rod 12 rotates to drive the sliding rod 11 at the upper end of the connecting rod to rotate, the other end of the sliding rod 11 is connected to the oscillating rod 9, the oscillating rod 9 can be driven to oscillate after the sliding rod 11 rotates, the upper end of the oscillating rod 9 is movably connected with the brush block 15, the brush block 15 rotates along with the oscillating rod 9 after the oscillating rod 9 oscillates, the bottom end of the brush block 15 is connected with the arc-shaped plate 16, after the brush block 15 rotates, the surface of the arc-shaped plate 16 is cleaned, and dust removal is.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a high-span steel constructs arc top device based on pressure difference vortex principle, includes crossbeam (1), its characterized in that: the middle part of the lower end of the cross beam (1) is movably connected with a supporting seat (2), the right end of the supporting seat (2) is movably connected with a hinged rod (3), one end, far away from the supporting seat (2), of the hinged rod (3) is movably connected with a movable seat (4), the middle part of the movable seat (4) is movably connected with a threaded rod (5), the lower end, close to the movable seat (4), of the outer side of the threaded rod (5) is movably connected with a supporting frame (6), the right end of the supporting frame (6) is movably connected with a steel column (7), the middle part of the upper end of the cross beam (1) is movably connected with a fixed column (8), the inner part of the fixed column (8) is movably connected with a swing rod (9), the lower end of the swing rod (9) is movably connected with a movable block (10), the middle part of the swing rod, the lower extreme swing joint of connecting rod (12) has motor (13), the top swing joint of pendulum rod (9) has spacing ring (14), the surface swing joint of pendulum rod (9) has brush block (15), the lower extreme swing joint of brush block (15) has arc (16), the right-hand member swing joint of arc (16) has fixed block (17), the inside swing joint of fixed block (17) has worm (18), the right-hand member swing joint of worm (18) has turbine (19), the upper end swing joint of turbine (19) has spacing seat (20), the left end swing joint of worm (18) has drive arrangement (21), the lower extreme swing joint of turbine (19) has movable rod (22).
2. The high-span steel structure arc top device based on the pressure difference turbulence principle of claim 1, characterized in that: the left and right sides swing joint of supporting seat (2) has the pilot pin, and two articulated rods (3) of the left and right sides pass through pilot pin swing joint on supporting seat (2) to two articulated rods (3) are symmetrical about supporting seat (2).
3. The high-span steel structure arc top device based on the pressure difference turbulence principle of claim 1, characterized in that: the hinged rod (3) is movably connected with the movable seat (4) through a screw.
4. The high-span steel structure arc top device based on the pressure difference turbulence principle of claim 1, characterized in that: the two steel columns (7) are respectively movably connected to the left side and the right side of the lower end of the cross beam (1), and the moving seat (4) and the support frame (6) are connected to the left end of the right steel column (7).
5. The high-span steel structure arc top device based on the pressure difference turbulence principle of claim 1, characterized in that: the height of the swing rod (9) is larger than that of the fixed column (8), and the upper end of the swing rod (9) penetrates through the brush block (15) and the arc-shaped plate (16).
6. The high-span steel structure arc top device based on the pressure difference turbulence principle of claim 1, characterized in that: the lower end of the limiting ring (14) is movably connected with a spring, the other end of the spring is movably connected with the upper end of the brush block (15), and the spring is wrapped on the outer side of the upper end of the swing rod (9).
7. The high-span steel structure arc top device based on the pressure difference turbulence principle of claim 1, characterized in that: the left end and the right end of the arc-shaped plate (16) are movably connected with the same fixing blocks (17), the arc-shaped plate (16) is embedded into the fixing blocks (17), and the arc-shaped plate (16) is movably connected with the fixing blocks (17) through screws.
8. The high-span steel structure arc top device based on the pressure difference turbulence principle of claim 1, characterized in that: the worm (18) penetrates through the fixed block (17), the outer surface of the right end of the worm (18) is provided with threads, and the threads of the worm (18) are movably connected to the inner wall of the turbine (19).
9. The high-span steel structure arc top device based on the pressure difference turbulence principle of claim 1, characterized in that: the upper end of the movable rod (22) penetrates through the turbine (19) and the limiting seat (20), and the top end of the movable rod (22) is movably connected with a spoiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138022.3A CN112824621A (en) | 2019-11-20 | 2019-11-20 | High-span steel structure arc top device based on pressure difference turbulence principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911138022.3A CN112824621A (en) | 2019-11-20 | 2019-11-20 | High-span steel structure arc top device based on pressure difference turbulence principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112824621A true CN112824621A (en) | 2021-05-21 |
Family
ID=75906600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911138022.3A Pending CN112824621A (en) | 2019-11-20 | 2019-11-20 | High-span steel structure arc top device based on pressure difference turbulence principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112824621A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022248755A1 (en) * | 2021-05-25 | 2022-12-01 | Martinez Gil Mocoroa Marina | Thermally-controlled movable roof |
-
2019
- 2019-11-20 CN CN201911138022.3A patent/CN112824621A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022248755A1 (en) * | 2021-05-25 | 2022-12-01 | Martinez Gil Mocoroa Marina | Thermally-controlled movable roof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111686538B (en) | Heatstroke prevention dust removal watering device for construction | |
| CN106082047A (en) | A kind of high-lift operation car platform leveling device | |
| CN112832490A (en) | High-rise spraying robot | |
| CN112824621A (en) | High-span steel structure arc top device based on pressure difference turbulence principle | |
| CN211229128U (en) | High-span steel structure arc top device based on pressure difference turbulence principle | |
| CN206888659U (en) | A kind of street lamp installation tool | |
| CN210946525U (en) | Folding type internal hanging basket for construction of wet joint of highway bridge | |
| CN210380740U (en) | Mounting structure of solar photovoltaic board | |
| CN214531767U (en) | High-rise spraying robot | |
| CN211488785U (en) | Cleaning device for machining steel skeleton | |
| CN115162628A (en) | Steel construction factory building of illumination intensity adjustable | |
| CN201683845U (en) | Window glass cleaning device | |
| CN211368403U (en) | Bridge maintenance device | |
| CN209462313U (en) | A kind of multi-functional photovoltaic bracket | |
| CN212656117U (en) | Two-way slope V type cable-stay bridge concrete bridge tower folds section support | |
| CN111561112B (en) | Steel construction factory building receive and releases ceiling | |
| CN210194435U (en) | Movable trolley for transverse prestress construction of continuous beam | |
| CN113914641A (en) | Wallboard fixed position equipment convenient to adjust support height | |
| CN217128532U (en) | Stretch-proofing formula steel construction node subassembly | |
| CN205311553U (en) | Window cleaner | |
| CN216615540U (en) | Crack repairing device for road and bridge construction | |
| CN214460576U (en) | Energy-saving foundation of light steel structure assembly type building | |
| CN209066946U (en) | A kind of noise reduction protective canopy for preventing cement mortar from splashing | |
| CN219043204U (en) | Dust fall device for hydraulic breaking hammer | |
| CN202299575U (en) | Folding wind tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210521 |