CN115434434A - Overhead warehouse support beam installation device that slides - Google Patents
Overhead warehouse support beam installation device that slides Download PDFInfo
- Publication number
- CN115434434A CN115434434A CN202211081757.9A CN202211081757A CN115434434A CN 115434434 A CN115434434 A CN 115434434A CN 202211081757 A CN202211081757 A CN 202211081757A CN 115434434 A CN115434434 A CN 115434434A
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- sliding
- wheel
- support beam
- support
- wheels
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- 238000009434 installation Methods 0.000 title claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 75
- 239000010959 steel Substances 0.000 claims abstract description 75
- 239000004677 Nylon Substances 0.000 claims abstract description 49
- 229920001778 nylon Polymers 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000007704 transition Effects 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 4
- 239000003973 paint Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention discloses an overhead warehouse support beam sliding installation device which is characterized by comprising nylon riding wheels, shaft seals, supports, bases, connecting shafts, positioning shaft ends and bolt holes, wherein the shaft seals are installed on two sides of each nylon riding wheel in a matched mode, the shaft seals are concentric with the nylon riding wheels, the connecting shafts penetrate through the middles of the nylon riding wheels, the mounting supports are machined in the outer sides of the shaft seals on the two sides in a matched mode, the connecting shafts penetrate through the supports, the shaft ends of the positioning shafts are installed at the positions of the shaft heads of the connecting shafts, the bottoms of the supports are welded on the bases, two groups of nylon riding wheels are welded on the bases, the two groups of nylon riding wheels are identical in structure and identical in height, the bolt holes are machined on the peripheries of the bases, the bolt holes are matched with the bolt holes in the beams of overhead warehouse steel frames, and the bases are fixed on the beams through pins. The installation work load is few, and installation work efficiency is high, avoids the support roof beam to slide the in-process and warp, avoids haring the steel construction paint layer, avoids anticorrosive technology to be destroyed, avoids steel perishable damage, improves steel construction installation quality.
Description
Technical Field
The invention relates to the technical field of building steel structure installation, in particular to a sliding installation device for a support beam of an elevated warehouse.
Background
The overhead warehouse has the advantages that the support beams of the profile steel structures are located on the main steel frame cross beam, the overall transverse length of the overhead warehouse is large, the column distance of the overhead warehouse is small, the support beams need to be dragged and installed from one side to the inner side, and the longest dragging distance can reach 100-200 m.
The main structure beam is not enough in installation height, the conventional installation method adopts a chain crane or a winch for dragging, binding points on the seat beam are moved again after the seat beam slides for a certain distance, and the seat beam is finally in place.
Disclosure of Invention
The invention provides a sliding installation device for a support beam of an elevated warehouse, which aims to solve a series of technical problems of low sliding efficiency, poor quality and the like of the support beam of the elevated warehouse.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sliding installation device for a support beam of an elevated warehouse is characterized by comprising nylon riding wheels, shaft seals, supports, bases, connecting shafts, positioning shaft ends and bolt holes, wherein the shaft seals are installed on two sides of each nylon riding wheel in a matched mode, the shaft seals are concentric with the nylon riding wheels, the connecting shafts penetrate through the middles of the nylon riding wheels, the outer sides of the shaft seals on the two sides are matched with and used for machining the installation supports, the connecting shafts penetrate through the supports, the shaft ends of the connecting shafts are installed at the positions of the positioning shaft ends, the bottoms of the supports are welded on the bases, two groups of nylon riding wheels are welded on the bases, the two groups of nylon riding wheels are identical in structure and identical in height, the bolt holes are machined on the peripheries of the bases, and the bolt holes are matched with bolt holes in a crossbeam of the steel frame of the elevated warehouse and used for fixing the bases on the crossbeam through pins;
the nylon riding wheel, the shaft seal, the support, the base, the connecting shaft, the positioning shaft end and the bolt hole form a group of sliding wheels, the whole sliding installation device needs at least three groups of sliding wheels and comprises a supporting wheel, a transition wheel and a guide wheel, the supporting wheel is installed on an installation initial steel frame beam, the transition wheel is installed on a second steel frame beam next to the supporting wheel, and the guide wheel is installed on a third steel frame beam.
The distance between the nylon riding wheels is 2/3 of the height of the support beam.
The diameter of the nylon riding wheel is 10mm-15mm larger than the width of the flange plate of the support beam.
The use method of the elevated warehouse support beam sliding installation device is as follows:
s1, at least three groups of sliding wheel devices are needed for installing a sliding support beam, each sliding wheel is sequentially installed on a steel frame cross beam of the elevated warehouse, a supporting wheel is installed on a starting steel frame cross beam of the installation support beam, a transition wheel is installed on the next steel frame cross beam, and a guide wheel is installed on the third steel frame cross beam which is next to the guide wheel;
s2, according to the number of steel structure depth steel frames of the elevated warehouse, each steel frame cross beam is provided with a sliding wheel, and all the sliding wheels are ensured to keep a straight line in the sliding direction;
s3, lifting the support beam to be in place by two-point lifting by a hydraulic crane, enabling a head web plate of the support beam to be in contact with the nylon riding wheels of the supporting wheels, enabling flange plates on two sides to fall on two sides of the two nylon riding wheels, pushing the support beam forwards, enabling the support beam to slide along the rolling direction of the nylon riding wheels, enabling the support beam web plate to be in contact with the second transition wheel and continue to slide forwards, and enabling the support beam web plate to be in contact with the third guide wheel, so that the sliding direction of the support beam is determined, the three groups of sliding wheels can sufficiently support the head weight of the support beam, the support beam is prevented from sliding off, and the sliding work is guaranteed to be carried out smoothly;
s4, continuously pushing the support beam forwards, enabling the steel wire rope at the lifting point at one side to contact the steel frame beam, and loosening the steel wire rope contacting the lifting point at one side of the steel frame beam, wherein the sliding wheel in the way not only plays a role of sliding guide, but also plays a role of bearing the weight of the support beam, and when the steel wire rope at the lifting point at the other side contacts the steel frame beam, the steel wire rope at the lifting point at the other side is loosened;
s5, the support beam can be easily and quickly slid to reach an installation area through the sliding action of the sliding wheels, the support beam is lifted by adopting a chain block to turn over for 90 degrees, the support beam is separated from the sliding installation device, the sliding wheel set is removed, and the support beam is installed and fixed;
s6, installing a group of sliding wheel sets in the installation areas of other support beams according to the method, and accordingly completing the translation installation and positioning work of all the support beams from the starting point to the depth direction of the elevated warehouse.
Compared with the prior art, the invention has the beneficial effects that:
1) The sliding wheel of the sliding installation device is simple in structure, convenient to assemble and install, less in construction hoisting equipment use, less in installation workload and high in installation work efficiency.
2) The sliding installation device avoids deformation of the support beam in the sliding process, avoids damage to a steel structure paint layer, avoids damage to an anticorrosion process, avoids corrosion damage to steel, and improves the installation quality of the steel structure.
3) The sliding wheel changes the original sliding friction into rolling friction, the friction force is reduced, labor is saved, the sliding wheel is fast, the sliding wheel bears the bearing effect in the sliding process, the sliding wheel is guaranteed to be evenly stressed, the sliding is convenient, the sliding wheel has a guiding effect, and the support beam is prevented from deviating and falling in the sliding process.
Drawings
Fig. 1 is a schematic view of an installation structure of an elevated warehouse support beam sliding installation device according to the present invention.
Fig. 2 is a front view of the mounting device for the support beam of the elevated warehouse in the invention.
Fig. 3 is a front view of a structure of a sliding wheel of the support beam sliding installation device of the elevated warehouse.
Fig. 4 is a left side view of a structure of a slipping wheel of the support beam slipping installation device of the elevated warehouse.
Fig. 5 is a top view of a slipping wheel structure of the support beam slipping installation device of the elevated warehouse.
In the figure: 1. slipping wheel 2, supporting wheel 3, transition wheel 4, guide wheel 5, steel frame 6, pin 7 and cross beam
8. Support beam
11. Nylon riding wheel 12, shaft seal 13, support 14, base 15, connecting shaft 16 and positioning shaft end
17. Bolt hole
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, 2, 3, 4, 5, a device for installing a bearing beam in an elevated warehouse in a sliding manner comprises a nylon riding wheel 11, a shaft seal 12, a support 13, a base 14, a connecting shaft 15, a positioning shaft end 16 and bolt holes 17, wherein the two sides of the nylon riding wheel 11 are provided with the shaft seal 12 in a matching manner, the shaft seal 12 is concentric with the nylon riding wheel 11, the middle of the nylon riding wheel is penetrated with the connecting shaft 15, the outer sides of the shaft seals 12 at the two sides are provided with the installing support 13 in a matching manner, the connecting shaft 15 penetrates through the support 13, the outer side of the support 13 is provided with the shaft end 16 in a position of the shaft end of the connecting shaft 15, the bottom of the support 13 is welded on the base 14, the two sets of nylon riding wheels 11 are welded on the base 14, the two sets of nylon riding wheels 11 have the same structure and the same height, the bolt holes 17 are machined on the periphery of the base 14, the bolt holes 17 are matched with the bolt holes 17 on the cross beam 7 of the steel frame 5 in the elevated warehouse 5, the base is fixed on the cross beam 7 through a pin 6, the nylon riding wheel 11 rotates on the connecting shaft 15, and can transmit the rotating linear speed to the bearing beam 8 pressed thereon, so that the bearing beam 8 slides forwards of the nylon riding wheel 11;
the nylon riding wheel 11, the shaft seal 12, the support 13, the base 14, the connecting shaft 15, the positioning shaft end 16 and the bolt hole 17 form a group of sliding wheels 1, the whole sliding installation device needs at least three groups of sliding wheels 1 and comprises a supporting wheel 2, a transition wheel 3 and a guide wheel 4, the supporting wheel 2 is installed on a beam 7 of an installation starting steel frame 5, the transition wheel 3 is close to the supporting wheel 2 and installed on the beam 7 of a second steel frame 5, the guide wheel 4 is installed on the beam 7 of a third steel frame 5, after the supporting beam 8 is hoisted by a crane, the supporting wheel 2 is contacted firstly to support the supporting beam 8 and then push the supporting beam 8, the nylon riding wheel 11 rotates, the supporting beam 8 slides forwards under the rolling of the nylon riding wheel 11, the sliding friction force of the supporting beam 8 is small, the sliding speed is high, the supporting beam 8 is contacted forwards to the transition wheel 3, the transition wheel and the supporting wheel 2 have the same height, the central line is the supporting beam 8 is erected on the beam 7 of the steel frame 5, the nylon riding wheel 11, the supporting beam 8 continuously rolls, the supporting beam is contacted to the transition wheel 4, the sliding wheels and the sliding wheels 2 continuously, the sliding wheels and the sliding wheels are installed on the longitudinal beam, and the sliding wheels 1 and the sliding wheels 8 is installed in the longitudinal beam, and the longitudinal beam, the sliding wheels are installed in the same depth direction, and the longitudinal beam, and the sliding wheels 8, and the sliding wheels are installed on the longitudinal beam.
As shown in FIG. 1, the distance between the nylon idlers 11 is 2/3 of the height of the support beam 8.
As shown in FIG. 1, the diameter of the nylon riding wheel 11 is 10mm-15mm larger than the width of the flange plate of the support beam 8.
As shown in fig. 2, the use method of the sliding installation device for the support beam 8 of the elevated warehouse is as follows:
s1, at least three groups of sliding wheel 1 devices are needed for installing a sliding support beam 8, each sliding wheel 1 is sequentially installed on a cross beam 7 of a steel frame 5 of an overhead warehouse, a supporting wheel 2 is installed on a cross beam 7 of a starting steel frame 5 of the installing support beam 8, a transition wheel 3 is installed on the cross beam 7 of the next steel frame 5, and a guide wheel 4 is installed on a third cross beam 7 of the steel frame 5 which is next to the guide wheel 4;
s2, according to the number of steel structure depth steel frames 5 of the elevated warehouse, each steel frame 5 crossbeam 7 is provided with a sliding wheel 1, and all the sliding wheels 1 are ensured to keep a straight line in the sliding direction;
s3, lifting the support beam 8 to be in place by two-point lifting by a hydraulic crane, enabling a head web of the support beam 8 to be in contact with the nylon riding wheels 11 of the support wheels 2, enabling flange plates at two sides to fall on two sides of the two nylon riding wheels 11, pushing the support beam 8 forwards, enabling the support beam 8 to slide along the rolling direction of the nylon riding wheels 11, enabling a web of the support beam 8 to be in contact with the second transition wheel 3, continuing to slide forwards, and enabling a web of the support beam 8 to be in contact with the third guide wheel 4, so that the sliding direction of the support beam 8 is determined, the three groups of sliding wheels 1 can sufficiently support the head weight of the support beam 8, prevent the support beam 8 from weightlessness and sliding, and ensure that the sliding work is carried out smoothly;
s4, continuously pushing the support beam 8 forwards, enabling the steel wire rope at the lifting point at one side to contact the cross beam 7 of the steel frame 5, loosening the steel wire rope at the lifting point at one side of the cross beam 7 of the steel frame 5, continuously pushing forwards, enabling the sliding wheel 1 in the way to play a role in sliding and guiding and simultaneously playing a role in bearing the weight of the support beam 8, and loosening the steel wire rope at the lifting point at the other side when the steel wire rope at the lifting point at the other side contacts the cross beam 7 of the steel frame 5;
s5, the support beam can be easily and quickly slid to reach an installation area through the sliding action of the sliding wheel, the support beam 8 is lifted by adopting a chain block to turn over for 90 degrees, the support beam 8 is separated from the sliding installation device, the sliding wheel 1 group is disassembled, and the support beam 8 is installed and fixed;
s6, installing the grouped sliding wheels 1 in the installation areas of other support beams 8 according to the method, and thus completing the translation installation and positioning work of all the support beams 8 from the starting point to the depth direction of the elevated warehouse.
The following examples are carried out on the premise of the technical scheme of the invention, and detailed embodiments and specific operation processes are given, but the scope of the invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ examples ] A method for producing a compound
The width of the south and north of the elevated warehouse is 20.25 meters, the length of the east and the west is 292.25 meters, the height of the column is 28.1 meters, the column spacing in the east and west direction is 3100mm, the steel column and the roof beam are H-shaped section structures, 792 steel frame columns are in total, 1-89 rows are arranged from the west to the east, a-i rows are arranged from the south to the north, 89 steel frames are in total in the elevated warehouse engineering, 8 layers of horizontal platforms are in total, and 72 support beams are in total.
As shown in fig. 3, 4 and 5, the processed nylon riding wheel 11, the shaft seal 12, the bracket 13, the base 14, the connecting shaft 15, the positioning shaft end 16 and the bolt hole 17 are assembled into the slipping wheel 1.
As shown in fig. 1 and 2, the slipping wheel 1 is mounted on a cross beam 7 of a platform starting frame 5 at the top layer of the first layer of the elevated warehouse, the slipping wheel 1 is fixed by using a pin 6, and the slipping wheel 1 is mounted on each cross beam 7 of the steel frame 5 along the depth direction.
The support beam 8 is hoisted by a crane, the support beam 8 sequentially contacts the supporting wheel 2, the transition wheel 3 and the guide wheel 4, the support beam 8 is guaranteed to slide on a straight line, the support beam 8 is pushed again to slide along the arrangement direction of the sliding wheels, and the support beam 8 is slid to the installation area through the sliding wheels 1.
The support beam 8 is turned over by 90 degrees by using a chain block at the top, the sliding wheel 1 is turned down, the support beam 8 is placed on the cross beam 7 of the steel frame 5, the lower sliding wheel 1 is disassembled, and then the support beam 8 is installed and fixed on the cross beam 7 of the steel frame 5.
The sliding wheels 1 at other positions of the top platform are installed in the same method, and then the supporting beams 8 are transported in the same manner in a sliding mode, so that the time and labor are saved, and the installation tasks of the other supporting beams 8 are efficiently completed.
And (3) completing the installation of the support beam of the top platform, installing the sliding wheel 1 in the same way on other platforms, sliding and conveying other support beams 8, and completing the installation of the support beam 8 of the whole elevated warehouse.
The invention has simple structure, convenient assembly and installation, less use of construction hoisting equipment, less installation workload and high installation work efficiency, avoids deformation of the support beam in the sliding process, avoids damaging the paint layer of the steel structure, avoids damaging the anticorrosion process, avoids easy corrosion and damage of steel products and improves the installation quality of the steel structure.
Claims (4)
1. A sliding installation device for a support beam of an elevated warehouse is characterized by comprising nylon riding wheels, shaft seals, a support, a base, a connecting shaft, a positioning shaft end and bolt holes, wherein the shaft seals are installed on two sides of each nylon riding wheel in a matched mode, the shaft seals are concentric with the nylon riding wheels, the connecting shaft penetrates through the middle of each nylon riding wheel, the outer sides of the shaft seals on the two sides are matched with each other to machine the installation support, the connecting shaft penetrates through the support, the outer side of the support is provided with the positioning shaft end in the position of the shaft end of the connecting shaft, the bottom of the support is welded on the base, two groups of nylon riding wheels are welded on the base, the two groups of nylon riding wheels are identical in structure and identical in height, the bolt holes are machined on the periphery of the base, and the bolt holes are matched with the bolt holes in a crossbeam of the steel frame of the elevated warehouse and are fixed on the base through pins;
the nylon riding wheel, the shaft seal, the support, the base, the connecting shaft, the positioning shaft end and the bolt hole form a group of sliding wheels, the whole sliding installation device needs at least three groups of sliding wheels and comprises a supporting wheel, a transition wheel and a guide wheel, the supporting wheel is installed on an installation initial steel frame beam, the transition wheel is installed on a second steel frame beam next to the supporting wheel, and the guide wheel is installed on a third steel frame beam.
2. The elevated warehouse support beam sliding installation device of claim 1, wherein the distance between the nylon jockey pulleys is 2/3 of the height of the support beam.
3. The elevated warehouse girder skid-mounting apparatus of claim 1, wherein the diameter of the nylon riding wheel is 10mm to 15mm larger than the width of the girder flange plate.
4. The elevated warehouse support beam sliding installation device of claim 1, wherein the elevated warehouse support beam sliding installation device is used by the following method:
s1, at least three groups of sliding wheel devices are needed for installing a sliding support beam, each sliding wheel is sequentially installed on a steel frame cross beam of the elevated warehouse, a supporting wheel is installed on a starting steel frame cross beam of the installation support beam, a transition wheel is installed on the next steel frame cross beam, and a guide wheel is installed on the third steel frame cross beam which is next to the guide wheel;
s2, according to the number of steel structure depth steel frames of the elevated warehouse, each steel frame cross beam is provided with a sliding wheel, and all the sliding wheels are ensured to keep a straight line in the sliding direction;
s3, lifting the support beam to be in place by two-point lifting by a hydraulic crane, enabling a head web plate of the support beam to be in contact with the nylon riding wheels of the supporting wheels, enabling flange plates on two sides to fall on two sides of the two nylon riding wheels, pushing the support beam forwards, enabling the support beam to slide along the rolling direction of the nylon riding wheels, enabling the support beam web plate to be in contact with the second transition wheel and continue to slide forwards, and enabling the support beam web plate to be in contact with the third guide wheel, so that the sliding direction of the support beam is determined, the three groups of sliding wheels can sufficiently support the head weight of the support beam, the support beam is prevented from sliding off, and the sliding work is guaranteed to be carried out smoothly;
s4, continuously pushing the support beam forwards, enabling the steel wire rope at the lifting point at one side to contact the steel frame beam, and loosening the steel wire rope contacting the lifting point at one side of the steel frame beam, wherein the sliding wheel in the way not only plays a role of sliding guide, but also plays a role of bearing the weight of the support beam, and when the steel wire rope at the lifting point at the other side contacts the steel frame beam, the steel wire rope at the lifting point at the other side is loosened;
s5, the support beam can be easily and quickly slid to reach an installation area through the sliding action of the sliding wheels, the support beam is lifted by adopting a chain block to turn over for 90 degrees, the support beam is separated from the sliding installation device, the sliding wheel set is removed, and the support beam is installed and fixed;
s6, installing a group of sliding wheel sets in the installation areas of other support beams according to the method, and accordingly completing the translation installation and positioning work of all the support beams from the starting point to the depth direction of the elevated warehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211081757.9A CN115434434A (en) | 2022-09-06 | 2022-09-06 | Overhead warehouse support beam installation device that slides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211081757.9A CN115434434A (en) | 2022-09-06 | 2022-09-06 | Overhead warehouse support beam installation device that slides |
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| Publication Number | Publication Date |
|---|---|
| CN115434434A true CN115434434A (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211081757.9A Pending CN115434434A (en) | 2022-09-06 | 2022-09-06 | Overhead warehouse support beam installation device that slides |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1493316A (en) * | 1976-02-19 | 1977-11-30 | French Ltd W & C | Manufacture of pre-stressed concrete beams |
| FR2555287A1 (en) * | 1983-11-17 | 1985-05-24 | Framatome Sa | DEVICE FOR CENTERING AND GUIDING A SUPPORT ROLL OF A MAJOR MASS ELEMENT |
| CN103774856A (en) * | 2014-01-24 | 2014-05-07 | 成张佳宁 | Method for glidingly constructing large-span special-shaped heavy steel girder on super high-rise roof |
| CN104895336A (en) * | 2015-05-21 | 2015-09-09 | 中冶天工集团有限公司 | Method for installing stiff mixed-structure steel girders in place |
| CN205804063U (en) * | 2016-02-29 | 2016-12-14 | 中国建筑土木建设有限公司 | Point tongue and stock rail assembly slide device on bridge |
| CN110984591A (en) * | 2019-12-05 | 2020-04-10 | 中冶天工集团有限公司 | Device and method for mounting large-span steel structure roof by using guide beam |
| CN212897661U (en) * | 2020-04-24 | 2021-04-06 | 中冶天工集团有限公司 | Rolling support construction device for track-free sliding construction |
-
2022
- 2022-09-06 CN CN202211081757.9A patent/CN115434434A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1493316A (en) * | 1976-02-19 | 1977-11-30 | French Ltd W & C | Manufacture of pre-stressed concrete beams |
| FR2555287A1 (en) * | 1983-11-17 | 1985-05-24 | Framatome Sa | DEVICE FOR CENTERING AND GUIDING A SUPPORT ROLL OF A MAJOR MASS ELEMENT |
| CN103774856A (en) * | 2014-01-24 | 2014-05-07 | 成张佳宁 | Method for glidingly constructing large-span special-shaped heavy steel girder on super high-rise roof |
| CN104895336A (en) * | 2015-05-21 | 2015-09-09 | 中冶天工集团有限公司 | Method for installing stiff mixed-structure steel girders in place |
| CN205804063U (en) * | 2016-02-29 | 2016-12-14 | 中国建筑土木建设有限公司 | Point tongue and stock rail assembly slide device on bridge |
| CN110984591A (en) * | 2019-12-05 | 2020-04-10 | 中冶天工集团有限公司 | Device and method for mounting large-span steel structure roof by using guide beam |
| CN212897661U (en) * | 2020-04-24 | 2021-04-06 | 中冶天工集团有限公司 | Rolling support construction device for track-free sliding construction |
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