CN111962909B - Slidable supporting system suitable for vertical narrow space - Google Patents
Slidable supporting system suitable for vertical narrow space Download PDFInfo
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- CN111962909B CN111962909B CN202011127681.XA CN202011127681A CN111962909B CN 111962909 B CN111962909 B CN 111962909B CN 202011127681 A CN202011127681 A CN 202011127681A CN 111962909 B CN111962909 B CN 111962909B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/04—Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action
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Abstract
The invention provides a slidable supporting system suitable for a vertical narrow space, which adopts a ring well track, a plurality of telescopic supporting assemblies and two driving transmission parts, wherein the ring well track is arranged on the inner wall of the vertical narrow space, the telescopic supporting assemblies tightly push the two opposite inner walls of the vertical narrow space through the tightly-pushing ring well track, the stress condition of the vertical narrow space wall during supporting is optimized, the stress of the vertical narrow space wall is more uniform, the influence of peripheral foundation pit construction on the vertical narrow space is greatly reduced, the safety factor of the vertical narrow space is improved, sliding parts at two ends of the telescopic supporting assemblies can move along the ring well track under the action of the corresponding driving transmission parts, the telescopic supporting assemblies can horizontally move, pipelines can be avoided, multi-professional constructors can synchronously work, and the construction efficiency is improved. In addition, the construction and installation steps of the support system in the vertical narrow space are simplified, and the convenience in construction is greatly improved.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a slidable supporting system suitable for a vertical narrow space.
Background
Vertical narrow space, the fire control that generally plays in the building is discharged fume, the air conditioner is ventilated etc. and still need lay the pipeline circuit in some vertical narrow spaces.
When underground engineering construction such as foundation excavation is carried out around the vertical narrow space, the influence on the vertical narrow space can be generated, the collapse of the vertical narrow space can be seriously caused, and therefore the vertical narrow space needs to be supported and reinforced.
At present, a vertical narrow space is supported, and the currently commonly used reinforcing mode is to set a steel pipe or an I-shaped steel in the vertical narrow space for supporting, so that on one hand, a larger construction space is often needed, and the installation in the vertical narrow space is difficult; on the other hand, the construction difficulty is greatly increased by the arrangement of the supporting device and the obstruction of the original pipeline; on the other hand, the steel pipe or the I-steel is directly contacted with the wall of the vertical narrow space, the contact area is small, and the supporting device is likely to damage the wall of the vertical narrow space when the vertical narrow space is stressed too much.
Disclosure of Invention
The invention aims to provide a slidable supporting system suitable for a vertical narrow space, which is convenient for installing the supporting system in the vertical narrow space, can avoid pipelines by moving a telescopic supporting assembly, can enlarge the contact area, and transmits load to the periphery of the vertical narrow space through a circular well track, thereby ensuring the safety of the vertical narrow space.
In order to solve the technical problems, the invention provides the following technical scheme:
a slidable supporting system applicable to a vertical narrow space comprises a well surrounding track, a plurality of retractable supporting assemblies and two driving transmission components, wherein the outer contour of the well surrounding track is matched with the inner wall of the vertical narrow space, the well surrounding track is installed on the inner wall of the vertical narrow space, the well surrounding track is of a rectangular structure formed by connecting four track sections, two ends of each retractable supporting assembly are respectively arranged on one pair of opposite track sections of the well surrounding track through sliding parts, the two driving transmission components are respectively installed on the two opposite inner walls of the vertical narrow space, each retractable supporting assembly tightly supports the two opposite inner walls of the vertical narrow space through tightly supporting the well surrounding track, the sliding parts at two ends of each retractable supporting assembly can move along the well surrounding track under the action of the corresponding driving transmission components, so that the telescopic supporting component realizes horizontal movement.
Preferably, in the above slidable support system suitable for a vertical narrow space, the retractable support assembly includes a support rod and a tightening device, one end of the support rod is connected to one end of the tightening device, and the other end of the support rod and the other end of the tightening device are respectively connected to corresponding sliding parts.
Preferably, in foretell slidable braced system who is applicable to vertical narrow space, the ring well track includes the tank bottom board and two L templates of vertical setting, two L templates set up relatively in the upper and lower both ends of tank bottom board form a recess, the L template is including the horizontal plate and the vertical board that are connected, the upper and lower end of tank bottom board is connected with the one end of the horizontal plate of the L template that corresponds respectively, and the distance between two horizontal plates is greater than the distance between two vertical boards, and the tank bottom board is connected with the inner wall laminating of vertical narrow space.
Preferably, in the above slidable support system suitable for a vertical narrow space, the slider includes a slider main body, a vertical steel plate is provided at an end portion of the slider main body close to the inner wall of the vertical narrow space, the slider main body can penetrate through a gap between the two vertical plates, the vertical steel plate is located in the groove, and a distance between an upper end and a lower end of the vertical steel plate is greater than a distance between the two vertical plates.
Preferably, in the above slidable support system suitable for a vertical narrow space, a lower end of a portion of the slider body located outside the groove of the annular well track is provided with a second rack horizontally arranged with a downward-facing tooth surface.
Preferably, in the slidable support system applicable to the vertical narrow space, the driving transmission part includes a driving wheel driven by a motor, a belt ring with a first rack on the outer surface, and a driven tension wheel, the driving wheel and the driven tension wheel are installed on two sides of the belt ring, the driving wheel drives the belt ring to rotate, the driving wheel and the driven tension wheel are installed on the inner wall of the vertical narrow space, and the first rack on the belt ring is meshed with the second rack on the slider main body.
Preferably, in the slidable support system applicable to the vertical narrow space, the driving transmission part is a rotating belt, the rotating belt comprises a belt ring, the outer surface of the belt ring is provided with a first rack, a plurality of driving wheels are arranged inside the belt ring, at least one driven wheel is arranged between the adjacent driving wheels, the driving wheels and the driven wheels are the same in size, the axial leads of the driving wheels and the driven wheels are located at the same height, the driving wheels drive the belt ring to rotate, and the first rack on the belt ring is meshed with the second rack on the sliding part main body.
Preferably, in the above slidable support system suitable for a vertical narrow space, the slider body is made of i-steel, the support rod is made of i-steel, and two ends of the support rod are respectively connected with the slider and the tightening device through bolts via flanges.
Preferably, in the above-described slidable support system adapted to a vertically narrow space, a portion of the slider body located outside the groove of the trepan track is connected to the second rack through a telescopic member so that the second rack can move up and down.
Preferably, in the above slidable support system suitable for a vertical narrow space, the circular well track is a rectangular structure formed by connecting four track sections, and two ends of the telescopic support assembly are respectively disposed on one pair of opposite track sections of the circular well track.
According to the technical scheme disclosed above, compared with the prior art, the invention has the following beneficial effects:
the invention provides a slidable supporting system suitable for a vertical narrow space, which adopts a circular well track, a plurality of telescopic supporting components and two driving transmission parts, because the outer contour of the annular well track is matched with the inner wall of the vertical narrow space, the annular well track is arranged on the inner wall of the vertical narrow space, the circular well track is of a rectangular structure formed by connecting four track sections, two ends of the telescopic supporting component are respectively arranged on one pair of opposite track sections of the circular well track through sliding parts, the telescopic supporting component tightly supports the two opposite inner walls of the vertical narrow space by supporting the annular well track, so that the stress condition of the vertical narrow space wall during supporting is optimized, the stress of the vertical narrow space is more uniform, the influence of the peripheral foundation pit construction on the vertical narrow space is greatly reduced, and the safety factor of the vertical narrow space is improved. Two drive transmission parts install respectively in on the two relative inner walls in vertical narrow space, the slider at retractable supporting component's both ends can move along the ring well track under the effect that corresponds drive transmission part for retractable supporting component realizes horizontal migration, thereby can avoid the electromechanical pipeline in vertical narrow space, makes many professional constructors can synchronous working, improves the efficiency of construction. In addition, no matter the support system is installed or disassembled, complex connection operation is not needed, the construction and installation steps of the support system in the vertical narrow space are simplified, the convenience in construction is greatly improved, manual adjustment operation required due to construction change is greatly reduced, the support operation in the vertical narrow space is more convenient and faster, and the operability and safety of construction are improved by adopting a support adjustment method of replacing manual work with machinery.
Drawings
Fig. 1 is a schematic structural view (plan view) of a slidable support system suitable for a vertical narrow space.
3 fig. 32 3 is 3 a 3 sectional 3 view 3 a 3- 3 a 3 of 3 fig. 31 3. 3
Fig. 3 is a partial view of fig. 2 taken along direction B.
Fig. 4 is a schematic structural view of the slider.
Fig. 5 is a side view of fig. 4.
FIG. 6 is a schematic view of the installation of the trepan track and slips.
In the figure: the device comprises a 1-circular well track, an 11-groove bottom plate, a 12-L-shaped plate, a 121-horizontal plate, a 122-vertical plate, a 2-air shaft, a 3-sliding piece, a 31-sliding piece main body, a 32-vertical steel plate, a 33-second rack, a 34-telescopic part, a 4-supporting rod, a 5-tightening device, a 6-driving transmission part, a 61-belt ring, a 62-driving wheel, a 63-driven wheel, a 7-baffle and an 8-flange.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. The technical contents and features of the present invention will be described in detail below with reference to the embodiments illustrated in the accompanying drawings. It is further noted that the drawings are in greatly simplified form and are not to precise scale, merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. For convenience of description, the directions of "up" and "down" described below are the same as the directions of "up" and "down" in the drawings, but this is not a limitation of the technical solution of the present invention.
Referring to fig. 1 to 6, the present embodiment discloses a slidable support system suitable for a vertical narrow space, which includes a shaft-surrounding track 1, a plurality of retractable support assemblies and two driving transmission components 6, in the present embodiment, the vertical narrow space is a wind shaft 2, an outer contour of the shaft-surrounding track 1 matches with an inner wall of the vertical narrow space, the shaft-surrounding track 1 is installed on the inner wall of the vertical narrow space, the shaft-surrounding track 1 is a rectangular structure formed by connecting four track sections, two ends of the retractable support assemblies are respectively arranged on one pair of opposite track sections of the shaft-surrounding track 1 through sliding members 3, the two driving transmission components 6 are respectively installed on two opposite inner walls of the vertical narrow space, the retractable support assemblies tightly push the two opposite inner walls of the vertical narrow space through pushing the shaft-surrounding track 1, the sliding parts 3 at the two ends of the telescopic supporting component can move along the well surrounding track 1 under the action of the corresponding driving transmission part 6, so that the telescopic supporting component can horizontally move.
The invention provides a slidable supporting system suitable for a vertical narrow space, which adopts a well surrounding track 1, a plurality of telescopic supporting components and two driving transmission parts 6, wherein the outer contour of the well surrounding track 1 is matched with the inner wall of the vertical narrow space, the well surrounding track 1 is arranged on the inner wall of the vertical narrow space, the well surrounding track 1 is of a rectangular structure formed by connecting four track sections, two ends of each telescopic supporting component are respectively arranged on one pair of opposite track sections of the well surrounding track 1 through a sliding part 3, the telescopic supporting components tightly support the two opposite inner walls of the vertical narrow space through tightly supporting the well surrounding track 1, the stress condition of the wall of the vertical narrow space during supporting is optimized, the stress of the wall of the vertical narrow space is more uniform, and the influence of peripheral foundation pit construction on the vertical narrow space is greatly reduced, the safety factor of vertical narrow space has been improved. And through with two drive transmission parts 6 install respectively on two relative inner walls in vertical narrow space, the slider 3 at retractable supporting component's both ends can move along ring well track 1 under the effect that corresponds drive transmission part 6 for retractable supporting component realizes horizontal migration, thereby can avoid the electromechanical pipeline in vertical narrow space, makes many professional constructors can synchronous working, improves the efficiency of construction. In addition, no matter the support system is installed or disassembled, complex connection operation is not needed, the construction and installation steps of the support system in the vertical narrow space are simplified, the convenience in construction is greatly improved, manual adjustment operation required due to construction change is greatly reduced, the support operation in the vertical narrow space is more convenient and faster, and the operability and safety of construction are improved by adopting a support adjustment method of replacing manual work with machinery.
Preferably, in the above-mentioned slidable braced system who is applicable to vertical narrow space, retractable supporting component includes bracing piece 4 and top tight device 5, and bracing piece 4 can choose for use according to narrow space length, top tight device 5 can be hydraulic jack, the one end of bracing piece 4 is connected with the one end of top tight device 5, the other end of bracing piece 4 and the other end of top tight device 5 is connected with corresponding slider 3 respectively. Through at the inside tight device 5 in top that sets up of retractable supporting component, can realize the flexible of retractable supporting component's whole length to the realization is tight with double-phase internal wall top in vertical narrow space, that is to say, the tight device 5 accessible in top increases pressure and makes retractable supporting component top prop in vertical narrow space in order to maintain the inside and outside stress balance in vertical narrow space. The jacking device 5 can be a hydraulic jack, is convenient to realize automatic control, greatly reduces manual adjustment operation required by construction change, enables vertical narrow space support operation to be more convenient and faster, adopts machinery to replace a manual support adjustment method, and improves operability and safety of construction.
Preferably, in the above slidable support system suitable for a vertical narrow space, the shaft surrounding track 1 includes a vertically arranged groove bottom plate 11 and two L-shaped plates 12, the two L-shaped plates 12 are oppositely arranged at the upper and lower ends of the groove bottom plate 11 to form a groove, the L-shaped plates 12 include a horizontal plate 121 and a vertical plate 122 which are connected, the upper and lower ends of the groove bottom plate 11 are respectively connected with one end of the horizontal plate 121 of the corresponding L-shaped plate 12, the distance between the two horizontal plates 121 is greater than the distance between the two vertical plates 122, the groove bottom plate 11 is connected with the inner wall of the vertical narrow space in an attaching manner, so as to not only provide guidance for the sliding of the sliding member 3 and limit the vertical displacement thereof, but also transmit the supporting force of the retractable support assembly to the periphery of the vertical narrow space through the closed shaft surrounding track 1, thereby optimizing the stress condition of the vertical narrow space wall during supporting, the stress of the vertical narrow space is more uniform, the influence of the peripheral foundation pit construction on the vertical narrow space is greatly reduced, and the safety factor of the vertical narrow space is improved.
Preferably, in the above slidable support system suitable for a vertical narrow space, the slider 3 includes a slider main body 31, an end portion of the slider main body 31 close to an inner wall of the vertical narrow space is provided with a vertical steel plate 32 for dispersing a tightening pressure, the slider main body 31 can penetrate through a gap between the two vertical plates 122, the vertical steel plate 32 is located in the groove, and a distance between an upper end and a lower end of the vertical steel plate 32 is greater than a distance between the two vertical plates 122, so as to prevent the slider 3 from separating from the ring well track 1, and ensure safety of the support system.
Preferably, in the above-mentioned slidable support system suitable for a vertical narrow space, the lower end of the portion of the slider body 31 located outside the groove of the annular well track 1 is provided with a second rack 33 with a horizontally arranged downward-facing tooth.
Preferably, in the above slidable support system suitable for a vertical narrow space, the driving transmission part 6 is a rotating belt, the rotating belt includes a belt ring 61 provided with a first rack on an outer surface, a plurality of driving wheels 62 are provided inside the belt ring 61, at least one driven wheel 63 is provided between adjacent driving wheels 62, the driving wheels 62 and the driven wheels 63 are the same in size, axial leads of the driving wheels 62 and the driven wheels 63 are located at the same height, the driving wheels 62 drive the belt ring 61 to rotate, the first rack on the belt ring 61 is meshed with, i.e., clamped together with, the second rack 33 on the slider body 31, and the second rack 33 can move synchronously with the first rack.
In addition, the driving transmission part 6 may also adopt other structural forms, for example, the driving transmission part 6 may also include a driving wheel 62 driven by a motor, a belt ring 61 provided with a first rack on an outer surface thereof, and a driven tension wheel, the driving wheel 62 and the driven tension wheel are mounted on two sides of the belt ring 61, the driving wheel 62 drives the belt ring 61 to rotate, the driving wheel 62 and the driven tension wheel are mounted on an inner wall of the vertical narrow space, a first rack on the belt ring 61 is meshed with, i.e., clamped together with, a second rack 33 on the slider body 31, and the second rack 33 can move synchronously with the first rack.
Preferably, in the above slidable support system suitable for a vertical narrow space, the slider body 31 is made of i-steel, the support rod 4 is also made of i-steel, and two ends of the support rod 4 are respectively bolted to the slider 3 and the tightening device 5 through the flange 8.
Preferably, in the above-mentioned slidable support system suitable for a vertically narrow space, a portion of the slider body 31 located outside the groove of the trepan track 1 is connected to the second rack 33 through the telescopic member 34 so that the second rack 33 can move up and down.
Preferably, in the above-mentioned slidable support system suitable for a vertical narrow space, a baffle 7 for covering the sliding member 3 and the driving transmission member 6 is provided above the shaft rail 1, so as to prevent impurities from falling onto the driving transmission member 6.
In conclusion, compared with the traditional construction technology, the construction method is convenient to install, simplifies the construction and installation steps of the support system in the vertical narrow space, greatly improves the convenience during construction, greatly reduces manual adjustment operation required by construction change, enables the support operation in the vertical narrow space to be more convenient and faster, and improves the operability and safety of construction by adopting a mechanical support adjustment method instead of manual support.
In the invention, the sliding parts 3 at two ends of the telescopic supporting component can move along the circular well track 1 under the action of the corresponding driving transmission parts 6, so that the telescopic supporting component can horizontally move, the electromechanical pipelines in a vertical narrow space can be effectively avoided, multi-professional constructors can synchronously work, and the construction efficiency is improved.
According to the invention, the annular well track 1 is arranged on the inner wall of the vertical narrow space, the outer contour of the annular well track 1 is matched with the inner wall of the vertical narrow space, two ends of the telescopic supporting assembly are respectively arranged in the annular well track 1 through the sliding parts 3, the telescopic supporting assembly tightly props the two opposite inner walls of the vertical narrow space through propping up the annular well track 1, the stress condition of the vertical narrow space wall during supporting is optimized, the stress of the vertical narrow space wall is more uniform, the influence of peripheral foundation pit construction on the vertical narrow space is greatly reduced, and the safety coefficient of the vertical narrow space is improved.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. A slidable supporting system suitable for a vertical narrow space is characterized by comprising a well surrounding track, a plurality of retractable supporting assemblies and two driving transmission parts, wherein the outer contour of the well surrounding track is matched with the inner wall of the vertical narrow space, the well surrounding track is installed on the inner wall of the vertical narrow space and is of a rectangular structure formed by connecting four track sections, two ends of each retractable supporting assembly are respectively arranged on one pair of opposite track sections of the well surrounding track through sliding parts, the two driving transmission parts are respectively installed on the two opposite inner walls of the vertical narrow space, each retractable supporting assembly tightly supports the two opposite inner walls of the vertical narrow space through tightly supporting the well surrounding track, the sliding parts at two ends of each retractable supporting assembly can move along the well surrounding track under the action of the corresponding driving transmission parts, so that the telescopic supporting component realizes horizontal movement.
2. The sliding support system for vertical narrow spaces according to claim 1, wherein said telescopic support assembly comprises a support rod and a tightening device, one end of said support rod is connected with one end of said tightening device, and the other end of said support rod and the other end of said tightening device are respectively connected with corresponding sliding members.
3. The sliding support system for vertical confined spaces as claimed in claim 2 wherein said circular well rail comprises a vertically disposed bottom plate and two L-shaped plates, said two L-shaped plates are oppositely disposed at the upper and lower ends of said bottom plate to form a groove, said L-shaped plates comprise a horizontal plate and a vertical plate which are connected, the upper and lower ends of said bottom plate are respectively connected with one end of the corresponding horizontal plate of the L-shaped plate, the distance between the two horizontal plates is greater than the distance between the two vertical plates, and the bottom plate is attached to the inner wall of the vertical confined space.
4. The sliding support system for a vertical narrow space as claimed in claim 3, wherein said sliding member comprises a sliding member body, the end of said sliding member body near the inner wall of the vertical narrow space is provided with a vertical steel plate, said sliding member body can pass through the gap between said two vertical plates, said vertical steel plate is located in said groove, and the distance between the upper and lower ends of said vertical steel plate is greater than the distance between the two vertical plates.
5. The sliding support system for vertical confined spaces as claimed in claim 4 wherein the lower end of the portion of the slider body outside the well-encircling track groove is provided with a second rack of horizontally disposed teeth facing downwards.
6. The sliding support system for vertical narrow spaces as claimed in claim 5, wherein said driving transmission member comprises a motor-driven driving wheel, a belt ring with a first rack on its outer surface, and a driven tension wheel, said driving wheel and said driven tension wheel are mounted on both sides of said belt ring, said driving wheel drives said belt ring to rotate, said driving wheel and said driven tension wheel are mounted on the inner wall of the vertical narrow space, and the first rack on the belt ring is engaged with the second rack on the slider body.
7. The sliding support system for vertical narrow spaces according to claim 5, wherein said driving transmission member is a rotating belt, said rotating belt comprises a belt ring with a first rack on the outer surface, said belt ring has a plurality of driving wheels inside, at least one driven wheel is arranged between adjacent driving wheels, said driving wheels and driven wheels are the same size, the axial leads of said driving wheels and driven wheels are at the same height, said driving wheels drive the belt ring to rotate, and the first rack on the belt ring is meshed with the second rack on the slider body.
8. The sliding support system for vertical narrow spaces according to claim 4, wherein said sliding member main body is made of I-steel, said supporting rod is made of I-steel, and both ends of said supporting rod are respectively bolted to said sliding member and said tightening device through flanges.
9. The sliding support system for a vertical narrow space according to claim 4, wherein the portion of the slider body located outside the groove of the trepan track is connected to the second rack by a telescopic member so that the second rack can move up and down.
10. The sliding support system for vertical confined spaces as claimed in claim 1 wherein said endless well track is provided above with a baffle for covering the slides and the drive transmission means.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127681.XA CN111962909B (en) | 2020-10-21 | 2020-10-21 | Slidable supporting system suitable for vertical narrow space |
| PCT/CN2021/120833 WO2022083413A1 (en) | 2020-10-21 | 2021-09-27 | Slidable support system suitable for vertical narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011127681.XA CN111962909B (en) | 2020-10-21 | 2020-10-21 | Slidable supporting system suitable for vertical narrow space |
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| CN111962909A CN111962909A (en) | 2020-11-20 |
| CN111962909B true CN111962909B (en) | 2020-12-29 |
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| CN202011127681.XA Active CN111962909B (en) | 2020-10-21 | 2020-10-21 | Slidable supporting system suitable for vertical narrow space |
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| CN (1) | CN111962909B (en) |
| WO (1) | WO2022083413A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111962909B (en) * | 2020-10-21 | 2020-12-29 | 上海建工五建集团有限公司 | Slidable supporting system suitable for vertical narrow space |
| CN115506626B (en) * | 2022-10-13 | 2024-03-05 | 河北君诚金属结构制造有限公司 | Reinforced building steel structure |
| CN115338577B (en) * | 2022-10-18 | 2023-01-10 | 天津蓝弧焊接技术有限公司 | Stepless telescopic platform and large power station rotor narrow gap welding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002257322A (en) * | 2001-02-26 | 2002-09-11 | Abe Ganaito Kogyo:Kk | Elevating gondola for work within chimney |
| US8646224B2 (en) * | 2008-09-17 | 2014-02-11 | Wurtec Elevator Products & Services | Construction apparatus |
| CN203856190U (en) * | 2014-04-09 | 2014-10-01 | 中国建筑股份有限公司 | Adjustable platform beam support device |
| CN208777664U (en) * | 2018-08-03 | 2019-04-23 | 宁波赛威电梯设备有限公司 | It is a kind of for installing the telescopic foot hand cradle of elevator shaft frame |
| CN208858135U (en) * | 2018-09-28 | 2019-05-14 | 中国建筑第二工程局有限公司 | A kind of integral lifting construction of lift well job platform |
| CN209556421U (en) * | 2018-12-14 | 2019-10-29 | 河南文博建设工程有限公司 | Build built-in ruggedized construction |
| WO2020142001A1 (en) * | 2019-01-04 | 2020-07-09 | Em Services Pte Ltd | A moveable platform |
| WO2020237541A1 (en) * | 2019-05-29 | 2020-12-03 | 王盈 | Steel-supported reinforcing structure for use in heritage building seismic resistance and use method therefor |
| CN211114733U (en) * | 2019-11-07 | 2020-07-28 | 湖北旺科模板有限公司 | Telescopic shaft platform support |
| CN211473481U (en) * | 2019-12-05 | 2020-09-11 | 郑州一建集团有限公司 | Telescopic hard protection framework for elevator shaft |
| CN211447718U (en) * | 2019-12-13 | 2020-09-08 | 中国建筑第七工程局有限公司 | Well operation platform |
| CN111962909B (en) * | 2020-10-21 | 2020-12-29 | 上海建工五建集团有限公司 | Slidable supporting system suitable for vertical narrow space |
| CN112376929B (en) * | 2020-10-21 | 2022-05-24 | 上海建工五建集团有限公司 | Use method of slidable support system suitable for vertical narrow space |
| CN112376928A (en) * | 2020-10-21 | 2021-02-19 | 上海建工五建集团有限公司 | Installation method of slidable support system suitable for vertical narrow space |
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2020
- 2020-10-21 CN CN202011127681.XA patent/CN111962909B/en active Active
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- 2021-09-27 WO PCT/CN2021/120833 patent/WO2022083413A1/en active Application Filing
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| WO2022083413A1 (en) | 2022-04-28 |
| CN111962909A (en) | 2020-11-20 |
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