CN111561112B - Steel construction factory building receive and releases ceiling - Google Patents
Steel construction factory building receive and releases ceiling Download PDFInfo
- Publication number
- CN111561112B CN111561112B CN202010307636.6A CN202010307636A CN111561112B CN 111561112 B CN111561112 B CN 111561112B CN 202010307636 A CN202010307636 A CN 202010307636A CN 111561112 B CN111561112 B CN 111561112B
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- arc
- skylight
- top end
- factory building
- shaped
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 76
- 239000010959 steel Substances 0.000 title claims abstract description 76
- 238000010276 construction Methods 0.000 title claims description 6
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000005286 illumination Methods 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
- E04D13/0358—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts moving, in their own plane, e.g. rolling or sliding, or moving in parallel planes with or without an additional movement, e.g. both pivoting and rolling or sliding
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Tents Or Canopies (AREA)
Abstract
The invention discloses a steel structure factory building retractable ceiling which comprises a frame main body and a skylight, wherein the frame main body comprises a pillar and a top end beam, an I-shaped guide rail is arranged on the upper surface of the top end beam, the skylight comprises at least one arc-shaped support, sliding block assemblies matched with the I-shaped guide rail are fixedly arranged at the bottom corners of two ends of the arc-shaped support, any two adjacent arc-shaped supports are connected through a steel wire rope, a driving device is arranged on the top end beam and comprises a driving motor, a speed reducer and wheels, the tail end arc-shaped support of the skylight is fixed on the top end beam, the skylight further comprises awning cloth arranged on the arc-shaped supports, a support frame is arranged around the driving motor, and. According to the steel structure factory building, the skylight can be opened through the driving device when lighting is needed, sufficient illumination is obtained, and the lighting rate of the factory building is improved; the skylight can be closed in rainy and snowy days, so that the objects in the factory building are prevented from being invaded by rain and snow.
Description
Technical Field
The invention relates to the field of buildings, in particular to a retractable ceiling of a steel structure factory building.
Background
In recent years, steel-structure plants are fast to build, and are environmentally friendly and attractive, and are favored by building units. Based on the advantage of steel construction factory building, the steel construction factory building is also commonly used for plant planting. However, in the prior art, the steel structure factory building is generally provided with the skylight in order to ensure natural ventilation and natural lighting in the factory building, but the skylight in the prior art cannot be opened usually, so that the lighting efficiency of the steel structure factory building is low.
Based on the above problem, need design the efficient steel construction factory building of daylighting and receive and release the ceiling.
Disclosure of Invention
The invention aims to provide a retractable ceiling of a steel structure factory building, and the retractable ceiling aims to solve the technical problem that the lighting efficiency of the steel structure factory building is low in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a steel structure factory building retractable ceiling comprises a frame main body and a skylight, wherein the frame main body comprises a pillar and a top end beam, an I-shaped guide rail is arranged on the upper surface of the top end beam, the skylight comprises at least one arc-shaped support, the arc-shaped support is arranged on the top end beam, sliding block assemblies matched with the I-shaped guide rail are arranged at two ends of the arc-shaped support, any two adjacent arc-shaped supports are connected through a steel wire rope, a driving device is further arranged on the top end beam and can move on the top end beam in a reciprocating mode, the driving device comprises a driving motor, a speed reducer and wheels supported on the top end beam, the driving device is connected with a head end arc-shaped support of the skylight, the tail end arc-shaped support of the skylight is fixed on the top end beam, and the driving device is used for driving the, the skylight still includes the tarpaulin of setting on the arc support, be equipped with the support frame on the top crossbeam around the driving motor, the tarpaulin is located the one end of head end arc support and extends to fix to the support frame.
Further, the sliding block assembly comprises a mounting plate and vertical plates fixed to two sides of the mounting plate, the vertical plates on two sides of the mounting plate are three, each vertical plate is provided with a bearing at the bottom end, the inner ring of each bearing is fixed to the corresponding vertical plate through a mounting rod, the outer ring of each bearing abuts against the lower edge of the corresponding I-shaped guide rail, a positioning shaft is further fixed between the vertical plates on two opposite sides of the mounting plate and is located above the corresponding I-shaped guide rail, each positioning shaft is fixedly provided with a second bearing, the inner ring of each second bearing is fixed to the corresponding positioning shaft, the outer ring of each second bearing is connected to the upper end of the corresponding I-shaped guide rail in a rolling mode, and a first.
Further, the bottom of arc support still is provided with the auxiliary stand, the auxiliary stand includes two V-arrangement branches that fall, the sill bar of arc support also is the V-arrangement that falls, two V-arrangement branches of auxiliary stand with the sill bar is two liang fixed between be provided with the second connecting rod, and two V-arrangement branches of auxiliary stand set up about arc support place plane symmetry, and the both ends of two V-arrangement branches of auxiliary stand are all fixed to be set up on corresponding sliding block set spare.
Further, the wheels are gears, a chain matched with the wheels is further arranged on the top end cross beam, and the chain is fixed on the top end cross beam.
Further, the wheel shaft of the wheel protrudes out of the wheel to form a protruding portion, the sliding block assembly of the first-end arc-shaped support is a first-end sliding block assembly, a pulley is further arranged on the first-end sliding block assembly and is in rolling connection with the first-end sliding block assembly, the pulley is arranged on the protruding portion, and the protruding portion serves as a rotating shaft of the pulley.
Furthermore, the tail end of the top end beam is also provided with an overhauling platform.
Furthermore, a control room is also arranged on the maintenance platform.
Furthermore, a steel wire rope net is arranged below the skylight, the steel wire rope net is formed by longitudinally and transversely staggered steel wire ropes, the steel wire rope net is in a shape like a Chinese character jing, and the staggered parts of the longitudinally and transversely staggered steel wire ropes are fixed connecting parts of the longitudinally and transversely arranged steel wire ropes.
Furthermore, the support is also provided with an inclined strut.
Furthermore, a travel switch is further arranged on the top end beam.
According to the steel structure factory building retractable ceiling, the I-shaped guide rail is arranged on the top end beam, the sliding block assembly matched with the I-shaped guide rail is arranged on the arc-shaped support of the skylight, the sliding block assembly can play a role in stabilizing the arc-shaped support, the arc-shaped supports are connected through the steel wire rope, the top end beam is further provided with the driving device for driving the first-end arc-shaped support, and the first-end arc-shaped support is driven to pull the arc-shaped support behind the first-end arc-shaped support to move, so that the skylight; when the skylight needs to be opened, the driving device returns in the original way, and the arc-shaped support at the front end extrudes the subsequent arc-shaped support to retract the skylight. According to the steel structure factory building, the skylight can be opened through the driving device when lighting is needed, sufficient illumination is obtained, and the lighting rate of the factory building is improved; the skylight can be closed in rainy and snowy days, so that the objects in the factory building are prevented from being invaded by rain and snow.
Drawings
Fig. 1 is a front view of an embodiment 1 of the steel structure factory building retractable ceiling of the invention;
FIG. 2 is a side view of embodiment 1 of the retractable ceiling of the steel structure factory building of the present invention;
FIG. 3 is a plan view of embodiment 1 of the retractable ceiling of the steel structure factory building of the present invention;
FIG. 4 is a schematic front structural view of a sliding block assembly of embodiment 1 of the retractable ceiling of the steel structure factory building;
FIG. 5 is a schematic side view of a slider assembly of embodiment 1 of the retractable ceiling of a steel structure factory building;
FIG. 6 is a front view of an arc-shaped bracket and an auxiliary bracket of embodiment 2 of the retractable ceiling of the steel structure factory building of the invention;
FIG. 7 is a top view of the arcuate bracket and accessory bracket of FIG. 6;
fig. 8 is a side view of the curved bracket and the auxiliary bracket of fig. 6.
In the figure: 1. a pillar; 2. a top end beam; 21. an I-shaped guide rail; 22. a slider assembly; 221. mounting a plate; 222. a vertical plate; 223. a bearing; 224. mounting a rod; 225. a limiting sheet; 226. a second bearing; 227. a first link; 23. a wire rope; 24. a chain; 25. a projection; 3. an arc-shaped bracket; 31. a head end arc support; 32. a tail end arc-shaped bracket; 33. a threaded hole; 34. an inverted V-shaped strut; 35. a bottom bar; 36. a second link; 4. a drive device; 41. a wheel; 5. a control room; 6. a transverse wire rope; 7. a middle cross beam; 8. a longitudinal wire rope; 9. and (5) overhauling the platform.
Detailed Description
The steel structure factory building of the invention is explained in detail with the attached drawings.
The embodiment 1 of the steel structure plant retractable ceiling comprises a frame main body and a skylight, wherein the frame main body comprises a pillar 1 and a top end beam 2, an I-shaped guide rail 21 is arranged on the upper surface of the top end beam 2, and the skylight comprises 9 arc-shaped supports 3, as shown in figures 1-3. The arc-shaped supports 3 are vertically arranged on the top end cross beam 2, the two ends of each arc-shaped support 3 are fixedly provided with the sliding block assemblies 22 matched with the I-shaped guide rails 21, the sliding block assemblies 22 are assembled in the I-shaped guide rails 21, any two adjacent arc-shaped supports 3 are connected through the steel wire ropes 23, the steel wire ropes 23 are arranged on the sliding block assemblies 22 of the adjacent arc-shaped supports 3, and the length of the steel wire ropes 23 between the two adjacent arc-shaped supports 3 is equal. The top end beam 2 is also provided with a driving device 4, the driving device 4 can reciprocate on the top end beam 2, and the top end beam 2 is also provided with a travel switch (not shown in the figure) which automatically stops when the driving device 4 reaches the limit position of the travel. The driving device 4 comprises a driving motor, a speed reducer and wheels 41 supported on the top end beam, wherein the wheels 41 are gears, the top end beam 2 is further provided with a chain 24 matched with the wheels 41, and the chain 24 is fixed on the top end beam 2. The driving device 4 is connected with the arc-shaped bracket 31 at the head end of the skylight, the arc-shaped bracket 32 at the tail end of the skylight is fixed on the top end beam 2, the driving device 4 is used for driving the skylight to be opened or closed, and the skylight further comprises a tarpaulin (not shown in the figure) arranged on the arc-shaped bracket 3. Wherein, be provided with screw hole 33 on the upper surface of arc support 3, tarpaulin passes through bolted connection on arc support 3, and the both sides of tarpaulin are close to the position at edge and still are provided with wash port (not shown in the figure), and the below of wash port is connected with drain pipe (not shown in the figure), and the setting of drain pipe can avoid ponding increase frame main body's pressure on the tarpaulin. In addition, the wheel shaft of the wheel 41 protrudes out of the wheel 41 to form a protruding part 25, the slider assembly of the first-end arc-shaped bracket 31 is a first-end slider assembly, a pulley is further arranged on the first-end slider assembly, the pulley is in rolling connection with the first-end slider assembly, the pulley is arranged on the protruding part 25, and the protruding part 25 serves as a rotating shaft of the pulley.
The top end beam 2 around the driving motor is provided with a support frame, the driving motor, the speed reducer and other structures are positioned in the support frame, one end of the tarpaulin positioned at the head end arc-shaped support 31 extends outwards partially, the extending part is erected on the support frame to cover the driving motor, the speed reducer and other structures, and then the tarpaulin can be fixed on the support frame by utilizing bolts. Therefore, rainwater can be prevented from directly sprinkling on the driving motor in rainy days, and impurities can be prevented from falling on the driving motor to influence the normal operation of the driving motor.
Referring to fig. 4 to 5, the slider assembly 22 includes a mounting plate 221 and three vertical plates 222 fixedly connected to two sides of the mounting plate 221, the three vertical plates are respectively disposed on two sides of the mounting plate 221, a mounting rod 224 is respectively fixedly connected to a bottom end of each vertical plate 222, a bearing 223 is disposed on the mounting rod 224, an inner ring of the bearing 223 is fixedly connected to the mounting rod 224, an outer ring is abutted to a lower edge of the i-shaped guide rail 21, so that the bearing 223 can roll on the i-shaped guide rail 21, a limiting plate 225 is fixed to one end of the mounting rod 224 near the middle of the i-shaped guide rail 21, the mounting rods 224 disposed on two sides of the guide rail are respectively fixed to the limiting plate 225, the limiting plate is abutted to a side wall surface of the i-shaped guide rail 21, a certain offset of the bearing 223 is avoided during the movement of the bearing 223, and first connecting rods 227 are respectively fixedly connected between the vertical plates 222, thereby enhancing the connection strength thereof. A positioning shaft is further fixed between the vertical plates 222 opposite to the two sides of the mounting plate 221, the positioning shaft is located above the I-shaped guide rail 21, a second bearing 226 is arranged on the positioning shaft, the inner ring of the second bearing 226 is fixedly connected onto the positioning shaft, and the outer ring of the second bearing 226 is connected onto the upper end face of the I-shaped guide rail 21 in a rolling manner, so that the sliding block assembly is further limited, the sliding block assembly can run more stably, and further the sliding block assemblies on the two sides of the arc-shaped support can move synchronously.
In addition, the tail end of the top end beam is also provided with an overhauling platform 9, the overhauling platform 9 is used for overhauling the skylight and the driving device 4, the height of the overhauling platform 9 is slightly lower than the height of the folded tarpaulin, and the width of the overhauling platform 9 is the same as that of the arc-shaped support 3. The maintenance platform 9 is further provided with a control room 5, and the control room 5 is used for controlling the driving device 4 to move so as to control the opening or closing of the skylight. In order to prevent the skylight from falling to cause damage to people or objects in a factory building, a steel wire rope net is further arranged below the skylight, the steel wire rope net is formed by transverse steel wire ropes 6 and longitudinal steel wire ropes 8 in a criss-cross mode, the steel wire rope net is in a cross shape, the cross positions of the longitudinal steel wire ropes 8 and the transverse steel wire ropes 6 are fixed connection portions of the longitudinal steel wire ropes 8 and the transverse steel wire ropes 6, and a lamp (not shown in the figure) is further arranged on the steel wire rope net. When the skylight dropped, the wire rope net can block dropping in skylight. In addition, a steel cable (not shown in the figure) is arranged below the steel wire rope net and close to the steel wire rope net, the steel wire cable and the steel wire rope are connected through a movable hook, and the steel wire cable is used for hanging a maintenance hanging basket on the steel wire cable when a maintenance worker maintains the lamp on the steel wire rope net. In addition, to enhance the stability of the support column 1, diagonal braces (not shown) are provided on both sides of the support column 1. In addition, a middle cross beam 7 is further arranged below the top end cross beam 2, a ventilation channel is formed between the middle cross beam 7 and the top end cross beam 2, and an overhaul channel (not shown in the figure) is further arranged on the outer side of the top cross beam 2 and corresponding to the upper end of the strut 1.
According to the steel structure factory building retractable ceiling, the I-shaped guide rail is arranged on the top end beam, the sliding block assembly matched with the I-shaped guide rail is arranged on the arc-shaped support of the skylight, the arc-shaped supports are connected through the steel wire rope, the driving device for driving the first-end arc-shaped support is further arranged on the top end beam, and the first-end arc-shaped support is driven to pull the rear arc-shaped support to move, so that the skylight is opened or closed. According to the steel structure factory building, the skylight can be opened through the driving device when lighting is needed, sufficient illumination is obtained, and the lighting rate of the factory building is improved; the skylight can be closed in rainy and snowy days, so that the objects in the factory building are prevented from being invaded by rain and snow.
As shown in fig. 5-7, the difference between embodiment 2 and embodiment 1 of the steel structure factory building retractable ceiling of the present invention is that an auxiliary support is further disposed at the bottom of the arc support 3, the auxiliary support includes two inverted V-shaped support rods 34, the bottom rod 35 of the arc support 3 is also inverted V-shaped, a second connecting rod 36 is fixedly disposed between two inverted V-shaped support rods 34 and the bottom rod 35 of the auxiliary support, the two inverted V-shaped support rods 34 of the auxiliary support are symmetrically disposed with respect to the plane of the arc support 3, and both ends of the two inverted V-shaped support rods 34 of the auxiliary support are fixedly disposed on the corresponding sliding block assemblies 22. Two rods of the two inverted V-shaped supporting rods 34 of the auxiliary bracket are inclined upwards by 5 degrees relative to the horizontal plane, two rods of the bottom rod 35 of the arc-shaped bracket 3 are inclined upwards by 7 degrees, and the inclination angles of the inverted V-shaped supporting rods and the bottom rod relative to the horizontal plane can be adjusted according to the needs of actual conditions in other embodiments. The auxiliary support is arranged, so that the structural stability of the arc-shaped support can be greatly enhanced, and the auxiliary support can be suitable for a factory building with a wider width.
In other embodiments, when the ventilation channel is not needed, the middle cross beam is not needed to be arranged below the top cross beam, and only the ventilation window is arranged on the wall body of the plant.
In other embodiments, the top end beam can be not provided with a travel switch, and the start and stop of the driving device can be manually controlled.
In other embodiments, no brace may be provided on the support, and the support may have poor stability.
In other embodiments, the steel wire rope net is not arranged below the skylight.
In other embodiments, the top end beam can be provided with no maintenance platform or a control room, and the driving device can be controlled by a remote controller.
In other embodiments, the first-end slider assembly may not be provided with a pulley, and the wheel shaft of the wheel may not protrude outward to form a protruding portion, and at this time, a traction connection portion may be provided on the driving device to be fixedly connected with the first-end slider assembly, so as to drive the first-end slider assembly to move.
In other embodiments, the wheels may be conventional non-skid wheels, and no chain is required on the top cross member.
In other embodiments, the tarpaulin can be fixed on the arc-shaped bracket by clips or adhesive tapes.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a steel construction factory building receive and releases ceiling, includes frame main part and skylight, its characterized in that: the frame main body comprises a pillar and a top end beam, an I-shaped guide rail is arranged on the upper surface of the top end beam, the skylight comprises at least one arc-shaped support, the arc-shaped support is arranged on the top end beam, sliding block assemblies matched with the I-shaped guide rail are arranged at two ends of the arc-shaped support, any two adjacent arc-shaped supports are connected through a steel wire rope, a driving device is further arranged on the top end beam and can reciprocate on the top end beam, the driving device comprises a driving motor, a speed reducer and wheels supported on the top end beam, the driving device is connected with a head end arc-shaped support of the skylight, a tail end arc-shaped support of the skylight is fixed on the top end beam, the driving device is used for driving the skylight to be opened or closed, the skylight further comprises tarpaulin arranged on the arc-shaped support, and supporting frames are arranged on the top end beam, one end of the tarpaulin, which is positioned at the head end arc-shaped support, extends and is fixed on the support frame; the slider component comprises a mounting plate and vertical plates fixed to two sides of the mounting plate, the vertical plates on two sides of the mounting plate are three in number and are respectively provided with a bearing at the bottom end of each vertical plate, an inner ring of each bearing is fixed to each vertical plate through a mounting rod, an outer ring of each bearing is abutted to the lower edge of each I-shaped guide rail, a positioning shaft is further fixed between the vertical plates opposite to two sides of the mounting plate and is located above each I-shaped guide rail, a second bearing is fixed to each positioning shaft, an inner ring of each second bearing is fixed to each positioning shaft, an outer ring is connected to the upper end of each I-shaped guide rail in a rolling mode, and a first connecting rod is further fixed.
2. The retractable ceiling of the steel structure factory building according to claim 1, characterized in that: the bottom of arc support still is provided with the auxiliary stand, the auxiliary stand includes two V-arrangement branches that fall, the sill bar of arc support also is the V-arrangement that falls, two V-arrangement branches of auxiliary stand with the sill bar is two double-row fixed second connecting rod that is provided with between, and two V-arrangement branches of auxiliary stand set up about arc support place plane symmetry, and the both ends of two V-arrangement branches of auxiliary stand are all fixed to be set up on corresponding sliding block set spare.
3. The retractable ceiling of the steel structure factory building according to claim 1, characterized in that: the wheels are gears, chains matched with the wheels are further arranged on the top end cross beam, and the chains are fixed on the top end cross beam.
4. The retractable ceiling of the steel structure factory building according to claim 1, characterized in that: the pulley shaft of the wheel protrudes out of the wheel to form a protruding portion, the sliding block assembly of the first-end arc-shaped support is a first-end sliding block assembly, a pulley is further arranged on the first-end sliding block assembly and is in rolling connection with the first-end sliding block assembly, the pulley is arranged on the protruding portion, and the protruding portion serves as a rotating shaft of the pulley.
5. The retractable ceiling of the steel structure factory building according to claim 1, characterized in that: the tail end of the top end beam is also provided with an overhauling platform.
6. The retractable ceiling of the steel structure factory building according to claim 5, characterized in that: the maintenance platform is also provided with a control room.
7. The retractable ceiling of the steel structure factory building according to claim 1, characterized in that: the skylight is characterized in that a steel wire rope net is further arranged below the skylight, the steel wire rope net is formed by longitudinally and transversely staggering steel wire ropes, the steel wire rope net is in a shape like a Chinese character jing, and the staggered parts of the longitudinally steel wire ropes and the transversely steel wire ropes are fixed connecting parts of the longitudinally steel wire ropes and the transversely steel wire ropes.
8. The retractable ceiling of the steel structure factory building according to claim 1, characterized in that: the strut is also provided with an inclined strut.
9. The retractable ceiling of the steel structure factory building according to claim 1, characterized in that: and a travel switch is further arranged on the top end beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010307636.6A CN111561112B (en) | 2020-04-17 | 2020-04-17 | Steel construction factory building receive and releases ceiling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010307636.6A CN111561112B (en) | 2020-04-17 | 2020-04-17 | Steel construction factory building receive and releases ceiling |
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| Publication Number | Publication Date |
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| CN111561112A CN111561112A (en) | 2020-08-21 |
| CN111561112B true CN111561112B (en) | 2021-03-16 |
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| CN202010307636.6A Active CN111561112B (en) | 2020-04-17 | 2020-04-17 | Steel construction factory building receive and releases ceiling |
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| CN114562128B (en) * | 2022-03-31 | 2024-03-26 | 中铁城建集团第一工程有限公司 | steel structure factory building maintenance plate reinforcing structure and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2843927Y (en) * | 2005-07-10 | 2006-12-06 | 陈修成 | The movable telescopic lorry is fluffy |
| CN100584660C (en) * | 2007-12-19 | 2010-01-27 | 中机新创科技（北京）有限公司 | Totally-enclosed environmental protection straw cover device with hood structure |
| CN201495695U (en) * | 2009-08-26 | 2010-06-02 | 刘卫明 | Automatic fire control movable scuttle |
| CN202787721U (en) * | 2012-08-14 | 2013-03-13 | 随州市珠峰钢构工程有限公司 | Folding-type movable roof |
| CN207032697U (en) * | 2017-06-13 | 2018-02-23 | 四川春兰食品有限公司 | A kind of vermicelli threshing ground skylight |
| CN209670208U (en) * | 2018-12-27 | 2019-11-22 | 大唐七台河发电有限责任公司 | A kind of roller shutter type boiler workshop skylight |
| CN110578371B (en) * | 2019-10-07 | 2024-03-29 | 山东华泰钢结构工程有限公司 | Super-huge steel structure supporting framework |
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Effective date of registration: 20210223 Address after: 222002 group 18, Shuoxiang village, Xin'an Town, Guannan County, Lianyungang City, Jiangsu Province Applicant after: Zhou Zhenxing Applicant after: Zhao Lili Address before: 223500 No.31, Gongxing village, Xin'an Town, Guannan County, Lianyungang City, Jiangsu Province Applicant before: Zhao Lili |
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