CN114232481A - Beam section sliding track system - Google Patents
Beam section sliding track system Download PDFInfo
- Publication number
- CN114232481A CN114232481A CN202111413144.6A CN202111413144A CN114232481A CN 114232481 A CN114232481 A CN 114232481A CN 202111413144 A CN202111413144 A CN 202111413144A CN 114232481 A CN114232481 A CN 114232481A
- Authority
- CN
- China
- Prior art keywords
- auxiliary
- supporting
- support
- bearing
- auxiliary frame
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention provides a beam section sliding track system which is characterized by comprising a bearing beam, a support, a distribution beam, a sliding track beam and an auxiliary frame, wherein the bearing beam, the support, the distribution beam and the sliding track beam are sequentially arranged from bottom to top, the auxiliary frame is arranged on one side of the support, the auxiliary frame is arranged above the bearing beam and is fixed with the bearing beam, a supporting platform is connected between the auxiliary frame and the support, and the supporting platform, the auxiliary frame and the support jointly define a construction channel. Through add the auxiliary frame in the outside of support, supporting platform erects between support and the auxiliary frame, compares in current cantilever beam bearing structure and has higher security and stability, and the construction degree of difficulty is lower moreover, and is also more convenient when the inspection is maintained.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a beam section sliding track system.
Background
In recent years, the application of the steel structure bridge beam section sliding construction process is more and more extensive, and in order to ensure that an operator has a proper operation space when the beam section slides, protection channels need to be arranged on two sides of a steel beam. The type of the protection channel commonly used at present is an overhanging type steel protection channel, as shown in fig. 1, the supporting structure of the protection channel is an overhanging beam or an overhanging truss made of section steel, the node of the overhanging beam is fixed on the crossing point of a bailey beam web member, and a steel pipe is arranged on the overhanging beam to be used as a guardrail. In the existing cantilever type protection channel, the fixing section of the cantilever beam is not less than 1.25 times of the cantilever section, a plurality of joints of the cantilever beam are required to be fixed on the crossing point of the web member of the Bailey beam, the operation space is narrow and small, the cantilever beam belongs to high-altitude operation, and the construction difficulty is high.
Disclosure of Invention
The invention aims to provide a beam section sliding track system capable of reducing construction difficulty.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a rail system that slides of roof beam section, includes spandrel girder, support, distribution roof beam and the rail beam that slides by supreme setting gradually down, still including setting up in the auxiliary frame of support one side, the auxiliary frame is erect and is arranged in the spandrel girder top and fixed with the spandrel girder, be connected with supporting platform between auxiliary frame and the support, supporting platform, auxiliary frame and support inject the construction passageway jointly.
Further setting: the supporting platform comprises a plurality of supporting beams arranged at intervals and supporting plates erected on the supporting beams, and the two ends of each supporting beam are respectively connected with the support and the auxiliary frame correspondingly.
Further setting: the backup pad includes passageway crossbeam, passageway longeron and wire net, the passageway crossbeam is equipped with many along supporting beam's distribution direction interval, the passageway longeron is connected with passageway crossbeam mutually perpendicular and forms frame structure jointly with many passageway crossbeams, the wire net is laid in passageway crossbeam and passageway longeron top.
Further setting: the auxiliary frame comprises an auxiliary cross beam and auxiliary stand columns, wherein the auxiliary cross beam is provided with at least two auxiliary cross beams along the height direction, and the auxiliary stand columns are vertically connected with the auxiliary cross beam and are provided with a plurality of auxiliary cross beams at intervals along the length direction of the auxiliary cross beam.
Further setting: the side wall of the auxiliary upright post is convexly provided with a bearing part along the extending direction of the auxiliary cross beam, and one end of the supporting cross beam is supported on the bearing part.
Further setting: and one end of the supporting cross beam close to the bearing part is connected with the side wall of the auxiliary upright post.
Further setting: the bearing part with be connected with the stiffener between the auxiliary cross beam, the stiffener is relative the auxiliary cross beam is the slope setting.
Further setting: the guardrail is installed at the top of auxiliary frame, the guardrail includes the protection montant that protection horizontal pole and many intervals set up, the protection montant with the protection crossbeam is connected perpendicularly, just the bottom of protection montant with the auxiliary frame is connected.
Further setting: still include the bearing beam, the bearing beam is connected to the bearing beam, just the bearing beam is connected to the bearing beam, and the bearing beam is the slope setting from top to bottom and passes supporting platform.
Further setting: the bottom end of the inclined supporting rod is connected to the connecting position of the auxiliary frame and the bearing beam.
Compared with the prior art, the scheme of the invention has the following advantages:
1. in the beam section sliding track system, the auxiliary frame is additionally arranged on the outer side of the support, and the supporting platform is erected between the support and the auxiliary frame.
2. In the beam section sliding track system, the supporting cross beam is arranged on the bearing part of the auxiliary stand column and is connected with the side wall of the auxiliary stand column, the auxiliary stand column can provide support for the supporting cross beam and can also provide transverse limit for the supporting cross beam, so that the conditions that the supporting cross beam is loosened and displaced along the horizontal direction are prevented, and the stability of the supporting platform is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a beam section sliding track system in the prior art;
FIG. 2 is a front view of a beam section skidding rail system in one embodiment of the present invention;
FIG. 3 is a side view of a beam segment slip track system in an embodiment of the present invention;
FIG. 4 is a top view of a support plate in an embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
As shown in fig. 2 to 4, the invention provides a beam section sliding track system, which comprises a bearing beam 1, a support 2, a distribution beam 3, a sliding track beam 4 and an auxiliary frame 5 arranged on one side of the support 2, wherein the bearing beam 1, the support 2, the distribution beam 3 and the sliding track beam are sequentially arranged from bottom to top, the auxiliary frame 5 is arranged above the bearing beam 1 and fixed with the bearing beam 1, a support platform 6 is connected between the auxiliary frame 5 and the support 2, and the support platform 6, the auxiliary frame 5 and the support 2 jointly define a construction channel 7. In the present embodiment, the upper side of the sliding track beam 4 is used for supporting a main longitudinal beam.
Through addding auxiliary frame 5 in the outside of support 2, supporting platform 6 erects between support 2 and auxiliary frame 5, compares in current cantilever beam bearing structure have higher security and stability, and the construction degree of difficulty is lower moreover, and is also more convenient when the inspection is maintained.
Further, supporting platform 6 includes many supporting beam 61 that the interval set up and erects in the backup pad 62 of many supporting beam 61, supporting beam 61 distributes along supporting platform 6's length direction, the both ends of supporting beam 61 correspond respectively and are connected with support 2 and auxiliary frame 5. In this embodiment, the supporting beam 61 is preferably a channel steel.
In this embodiment, the one end that supporting beam 61 is close to support 2 penetrates to be connected fixedly with support 2 in support 2, because supporting beam 61's both ends are connected with support 2 and auxiliary frame 5 respectively, auxiliary frame 5 supports in spandrel girder 1 top, auxiliary frame 5 and support 2 are supporting platform 6 and provide the support, consequently compare in current overhanging type steel protection passageway, supporting beam 61 stretches into the length in support 2 shorter, supporting beam 61 is less with support 2's erection joint, greatly reduced the degree of difficulty of building of construction passageway 7, and follow-up inspection maintenance construction is also more simple and convenient.
Further, the supporting plate 62 includes a channel cross beam 621, a channel longitudinal beam 622 and a steel wire mesh 623, the channel cross beam 621 is provided with a plurality of along the distribution direction interval of the supporting cross beam 61, the channel longitudinal beam 622 and the channel cross beam 621 are connected in a mutually perpendicular manner and form a frame structure together with the plurality of channel cross beams 621, the steel wire mesh 623 is laid above the channel cross beam 621 and the channel longitudinal beam 622.
In this embodiment, the two channel longitudinal beams 622 are provided, the two channel longitudinal beams 622 are parallel to each other, the channel cross beams 621 and the channel longitudinal beams 622 are located on the same plane, and the plurality of channel cross beams 621 are equidistantly distributed between the two channel longitudinal beams 622. Preferably, the spacing between two adjacent channel beams 621 is smaller than the spacing between two adjacent support beams 61. In this embodiment, the distance between two adjacent channel cross beams 621 is 90cm, and the distance between two channel longitudinal beams 622 is also 90 cm.
In this embodiment, the channel cross beam 621 adopts angle steel of 50 × 5, that is, angle steel with an edge width of 50mm and a thickness of 5mm, the channel longitudinal beam 622 adopts angle steel of 75 × 5, that is, angle steel with an edge width of 75mm and a thickness of 5mm, a steel sheet mesh with sufficient rigidity is laid above the channel cross beam 621 and the channel longitudinal beam 622, and the bearing strength is 150 kg/square meter.
Further, the auxiliary frame 5 includes two auxiliary beams 51 and two auxiliary columns 52, wherein the two auxiliary beams 51 are vertically distributed and parallel to each other, and the auxiliary columns 52 are vertically connected between the two auxiliary beams 51. Preferably, a load-bearing portion 521 is convexly provided on a side wall of the auxiliary column 52 along an extending direction of the auxiliary beam 51, a reinforcing rod 53 is connected between the load-bearing portion 521 and the auxiliary beam 51, and the reinforcing rod 53 is obliquely arranged relative to the auxiliary beam 51. In this embodiment, the load-bearing part 521 is connected to the midpoint position of the auxiliary column 52, and the reinforcing rods 53 are connected between the load-bearing part 521 and the upper and lower auxiliary beams 51. Preferably, the connection point of the reinforcing rod 53 and the auxiliary cross beam 51 is located on the symmetry center line of two adjacent auxiliary columns 52, four reinforcing rods 53 are arranged between two adjacent auxiliary columns 52, and the four reinforcing rods 53 enclose to form a square or prismatic structure. Further, the angle between the reinforcing bar 53 and the auxiliary cross beam 51 is preferably 45 °.
In this embodiment, the auxiliary frame 5 is formed by mutually connecting the auxiliary cross beam 51, the auxiliary upright column 52 and the reinforcing rod 53 into a whole, the supporting structure is stable, the whole processing and forming of the auxiliary frame 5 are simple, the supporting cross beam 61 and the auxiliary frame 5 are convenient to mount and fix, and the later-stage inspection and maintenance are also convenient.
Further, the supporting beam 61 is supported above the bearing portion 521 and is welded and fixed with the bearing portion 521, and preferably, one end of the supporting beam 61 close to the bearing portion 521 is connected with the side wall of the auxiliary upright 52.
Through the arrangement, the bearing part 521 is used as a connection point of the reinforcing rod 53 and the auxiliary upright 52, stress support can be provided for the reinforcing rod 53, meanwhile, the bearing part 521 also provides support for the supporting beam 61, so that the assembly of the supporting beam 61 and the auxiliary frame 5 can be facilitated, the auxiliary frame 5 has higher stability when providing support for the supporting platform 6, and the safety of construction personnel during construction on the construction channel 7 is improved. In addition, the supporting beam 61 is connected with the side wall of the auxiliary upright post 52, the auxiliary upright post 52 provides transverse limit for the supporting beam 61, the situation that the supporting beam 61 is loosened and displaced along the horizontal direction is prevented, the stability of the supporting platform 6 is improved, and the safety of construction personnel during construction on the construction channel 7 is further improved.
Further, the rail system that slides of roof beam section still includes bearing diagonal pole 8, bearing diagonal pole 8's top and distribution roof beam 3 are connected, bearing diagonal pole 8's bottom with spandrel girder 1 is connected, specifically, bearing diagonal pole 8's top is connected in distribution roof beam 3's bottom surface, bearing diagonal pole 8's bottom is connected on spandrel girder 1's top surface, bearing diagonal pole 8 is the slope from top to bottom and sets up and passes supporting platform 6. In this embodiment, the inclined supporting rod 8 is inclined from top to bottom towards the auxiliary frame 5. Preferably, the bottom end of the inclined supporting rod 8 is connected to the connecting position of the auxiliary frame 5 and the bearing beam 1.
Through connecting bearing diagonal pole 8 between distributive girder 3 and spandrel girder 1, bearing diagonal pole 8 can provide auxiliary stay for distributive girder 3, improves distributive girder 3's structural stability to it is more stable when making the roof beam section slide, improves the construction security.
In this embodiment, the auxiliary frame 5 is installed at a position 21.1m away from the support frame, and a gap is reserved between the support plate 62 and the auxiliary frame 5.
Further, guardrail 9 is installed at the top of auxiliary frame 5, guardrail 9 includes the protection montant 92 that protection horizontal pole 91 and many intervals set up, protection montant 92 with the protection crossbeam is connected perpendicularly, just the bottom of protection montant 92 with auxiliary frame 5 is connected.
In this embodiment, the protection montant 92 includes linkage segment 921 and lower linkage segment 922, and wherein linkage segment 921 is connected with protection horizontal pole 91, and lower linkage segment 922 is connected with auxiliary frame 5, and last linkage segment 921 adopts [10 channel-section steel, and lower linkage segment 922 adopts I22a worker steel, goes up linkage segment 921 and welds with lower linkage segment 922 four sides enclosure welding.
Further, the lower connecting section 922 is fixed to the auxiliary frame 5 by a saddle bolt 93, and in this embodiment, the bottom surface of the lower connecting section 922 abuts against the top surface of the auxiliary cross member 51 at the top of the auxiliary frame 5. Preferably, each lower connecting section 922 is secured using two riding bolts 93. In this embodiment, the saddle bolt 93 is formed by machining a steel bar having a diameter of 10mm and an L of 5 cm.
Through adopting on horse bolt 93 to fix guardrail 9 and auxiliary frame 5, keep the flexibility of the dismouting of guardrail 9, it is more convenient when the dismouting, guardrail 9 can reuse, but also can be according to actual construction needs, the position of adjustment guardrail 9 plays better protecting effect.
In this embodiment, a plurality of guardrails 9 are installed along its length direction in auxiliary frame 5 top, and every 9 length of guardrail is 6m, every the length of protection horizontal pole 91 is 6m, adopts the sleeve pipe to cup joint fixedly between two adjacent protection horizontal poles 91, and in this embodiment, the sleeve pipe adopts phi 57mm sounding pipe, sleeve pipe and protection montant 92 welded fastening.
In summary, the scheme of the invention has the following advantages:
1. in the beam section sliding track system, the auxiliary frame 5 is additionally arranged on the outer side of the support 2, and the supporting platform 6 is erected between the support 2 and the auxiliary frame 5, so that compared with the existing cantilever beam supporting structure, the beam section sliding track system has higher safety and stability, is lower in construction difficulty, and is more convenient to inspect and maintain.
2. In the beam section sliding track system, the supporting cross beam 61 is arranged on the bearing part 521 of the auxiliary upright post 52 and is connected with the side wall of the auxiliary upright post 52, the auxiliary upright post 52 provides support for the supporting cross beam 61 and can provide transverse limit for the supporting cross beam 61 at the same time, so that the conditions of looseness and displacement of the supporting cross beam 61 along the horizontal direction are prevented, and the stability of the supporting platform 6 is improved.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a rail system that slides of roof beam section, includes spandrel girder, support, distribution roof beam and the rail beam that slides, characterized by that by supreme spandrel girder, support, the setting gradually down: still including setting up in the auxiliary frame of support one side, the auxiliary frame is erect and is arranged in the spandrel girder top and fixed with the spandrel girder, be connected with supporting platform between auxiliary frame and the support, construction passageway is injectd jointly to supporting platform, auxiliary frame and support.
2. The beam segment slip track system of claim 1, wherein: the supporting platform comprises a plurality of supporting beams arranged at intervals and supporting plates erected on the supporting beams, and the two ends of each supporting beam are respectively connected with the support and the auxiliary frame correspondingly.
3. The beam segment slip track system of claim 2, wherein: the backup pad includes passageway crossbeam, passageway longeron and wire net, the passageway crossbeam is equipped with many along supporting beam's distribution direction interval, the passageway longeron is connected with passageway crossbeam mutually perpendicular and forms frame structure jointly with many passageway crossbeams, the wire net is laid in passageway crossbeam and passageway longeron top.
4. The beam segment slip track system of claim 2, wherein: the auxiliary frame comprises an auxiliary cross beam and auxiliary stand columns, wherein the auxiliary cross beam is provided with at least two auxiliary cross beams along the height direction, and the auxiliary stand columns are vertically connected with the auxiliary cross beam and are provided with a plurality of auxiliary cross beams at intervals along the length direction of the auxiliary cross beam.
5. The beam segment slip track system of claim 4, wherein: the side wall of the auxiliary upright post is convexly provided with a bearing part along the extending direction of the auxiliary cross beam, and one end of the supporting cross beam is supported on the bearing part.
6. The beam segment slip track system of claim 5, wherein: and one end of the supporting cross beam close to the bearing part is connected with the side wall of the auxiliary upright post.
7. The beam segment slip track system of claim 5, wherein: the bearing part with be connected with the stiffener between the auxiliary cross beam, the stiffener is relative the auxiliary cross beam is the slope setting.
8. The beam segment slip track system of claim 1, wherein: still include the bearing beam, the bearing beam is connected to the bearing beam, just the bearing beam is connected to the bearing beam, and the bearing beam is the slope setting from top to bottom and passes supporting platform.
9. The beam segment slip track system of claim 8, wherein: the bottom end of the inclined supporting rod is connected to the connecting position of the auxiliary frame and the bearing beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413144.6A CN114232481B (en) | 2021-11-25 | 2021-11-25 | Beam Duan Huayi track system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413144.6A CN114232481B (en) | 2021-11-25 | 2021-11-25 | Beam Duan Huayi track system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114232481A true CN114232481A (en) | 2022-03-25 |
| CN114232481B CN114232481B (en) | 2023-10-20 |
Family
ID=80751199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111413144.6A Active CN114232481B (en) | 2021-11-25 | 2021-11-25 | Beam Duan Huayi track system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114232481B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3074765U (en) * | 2000-07-11 | 2001-01-26 | 玉霞 唐 | Pillar building construction system equipment |
| JP2001146718A (en) * | 1999-11-22 | 2001-05-29 | Kawaju Koji Kk | Bridge floor slab projection moving and supporting structure |
| JP2011162945A (en) * | 2010-02-05 | 2011-08-25 | Okumura Corp | Rotary supporting structure for construction of overhang beam section of bridge pier |
| CN103334381A (en) * | 2013-06-25 | 2013-10-02 | 宁波市政工程建设集团股份有限公司 | Full-bracket track-bogie bearing and moving device and construction method for installing steel box girders |
| CN205116749U (en) * | 2015-07-27 | 2016-03-30 | 上海十三冶建设有限公司 | A track strutting arrangement that is used for large -span steel construction wholly to slide |
| CN109281254A (en) * | 2018-10-26 | 2019-01-29 | 中交路桥华南工程有限公司 | Girder steel slide device and system |
| CN109778713A (en) * | 2019-03-25 | 2019-05-21 | 中铁五局集团建筑工程有限责任公司 | A kind of steel truss girder bridge scene suspension and slipping assembly device and method |
| CN111593673A (en) * | 2020-06-12 | 2020-08-28 | 安徽省公路桥梁工程有限公司 | Steel truss arch bridge and construction method |
| CN111648246A (en) * | 2020-05-28 | 2020-09-11 | 中建筑港集团有限公司 | Construction method for building medium and large steel truss girder |
| CN214006440U (en) * | 2020-12-15 | 2021-08-20 | 陈建巧 | Extensible scaffold platform is assisted in engineering construction |
-
2021
- 2021-11-25 CN CN202111413144.6A patent/CN114232481B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001146718A (en) * | 1999-11-22 | 2001-05-29 | Kawaju Koji Kk | Bridge floor slab projection moving and supporting structure |
| JP3074765U (en) * | 2000-07-11 | 2001-01-26 | 玉霞 唐 | Pillar building construction system equipment |
| JP2011162945A (en) * | 2010-02-05 | 2011-08-25 | Okumura Corp | Rotary supporting structure for construction of overhang beam section of bridge pier |
| CN103334381A (en) * | 2013-06-25 | 2013-10-02 | 宁波市政工程建设集团股份有限公司 | Full-bracket track-bogie bearing and moving device and construction method for installing steel box girders |
| CN205116749U (en) * | 2015-07-27 | 2016-03-30 | 上海十三冶建设有限公司 | A track strutting arrangement that is used for large -span steel construction wholly to slide |
| CN109281254A (en) * | 2018-10-26 | 2019-01-29 | 中交路桥华南工程有限公司 | Girder steel slide device and system |
| CN109778713A (en) * | 2019-03-25 | 2019-05-21 | 中铁五局集团建筑工程有限责任公司 | A kind of steel truss girder bridge scene suspension and slipping assembly device and method |
| CN111648246A (en) * | 2020-05-28 | 2020-09-11 | 中建筑港集团有限公司 | Construction method for building medium and large steel truss girder |
| CN111593673A (en) * | 2020-06-12 | 2020-08-28 | 安徽省公路桥梁工程有限公司 | Steel truss arch bridge and construction method |
| CN214006440U (en) * | 2020-12-15 | 2021-08-20 | 陈建巧 | Extensible scaffold platform is assisted in engineering construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114232481B (en) | 2023-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107489264A (en) | Shaped steel adds the high support system construction method of steel pipe scaffold | |
| CN109138431B (en) | Super high-rise pump pipe bridge crossing device and construction method thereof | |
| CN213867405U (en) | Single-column bent cap steel pipe column bailey beam construction support system | |
| CN216663835U (en) | Beam section sliding track system | |
| CN112726411A (en) | Integral dragging construction method for single-hole large cantilever steel truss girder | |
| CN209816668U (en) | Superelevation cable tower entablature construction support | |
| CN208202602U (en) | Beam string construction temporary support structure | |
| CN209799126U (en) | roof large-span supporting structure that encorbelments | |
| CN114232481A (en) | Beam section sliding track system | |
| CN211221311U (en) | Segment prefabricated variable cross-section concrete box girder steel bar binding jig frame | |
| CN210600469U (en) | Assembled series pipeline support | |
| CN114725859A (en) | Tunnel cable installing support | |
| CN212000638U (en) | Overhead cover beam type steel supporting structure | |
| CN112726416A (en) | Support structure meeting field construction security and construction method | |
| CN207646620U (en) | The movable construction platform of prefabricated wide cut beam slab | |
| CN212925792U (en) | Large cantilever bent cap prestress tensioning hanging basket device | |
| CN109577632B (en) | Suspended scaffold and construction method thereof | |
| CN213625274U (en) | Continuous beam zero number block combined support | |
| CN108560731B (en) | Stride empty floor and use outer elevator anchor | |
| CN219137423U (en) | Steel-concrete combined bridge deck formwork supporting structure | |
| CN217923129U (en) | Assembled construction channel and operation platform | |
| CN215718762U (en) | Support structure for synchronous construction of station and shield | |
| CN214783194U (en) | Mountain area superelevation is protected and is led to curve cast-in-place box girder sectional shelf-unit | |
| CN220643830U (en) | Large-load bridge steel structure | |
| CN217815411U (en) | Large-span support hanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |