CN213114268U - Steel construction corridor bridge convenient to field assembly and mounting structure thereof - Google Patents
Steel construction corridor bridge convenient to field assembly and mounting structure thereof Download PDFInfo
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- CN213114268U CN213114268U CN202021860499.0U CN202021860499U CN213114268U CN 213114268 U CN213114268 U CN 213114268U CN 202021860499 U CN202021860499 U CN 202021860499U CN 213114268 U CN213114268 U CN 213114268U
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Abstract
The utility model discloses a steel structure gallery bridge convenient for field assembly and an installation structure thereof, which comprises two main beams and a plurality of secondary beams, wherein the two main beams are horizontally arranged, the secondary beams are distributed between the two main beams, and the two ends of the secondary beams are fixedly connected with the two main beams; the secondary beam is a rectangular hollow tube, and two ends of the secondary beam are respectively provided with a first connecting plate; one side of the two main beams, which is far away from the other side, is provided with an operation seam along the length mode of the main beams, so that the section of each main beam is C-shaped; the first connecting plates at two ends of the secondary beam are respectively clung to the main beam and are fixed together through the matching of high-strength bolts penetrating through the first connecting plates and the side wall of the main beam and nuts; and second connecting plates used for being connected with a building or an elevator shaft are respectively arranged at two ends of the main beam. The utility model discloses can shorten installation cycle, environmental pollution and the potential safety hazard that the at utmost reduction field installation leads to.
Description
Technical Field
The utility model relates to an elevator technical field, concretely relates to steel construction corridor bridge and mounting structure thereof convenient to field assembly.
Background
In order to facilitate the outgoing of people, more and more elevators are additionally arranged in the existing old building. At present, the elevator is additionally installed, and an elevator shaft and a corridor bridge are mostly constructed by adopting a steel structure. One end of the corridor bridge is connected with the existing building, and the other end of the corridor bridge is connected with the elevator shaft. At present, the gallery bridge is mainly welded on site and then coated to prevent corrosion. During welding, a welder fully welds the hoistway component on the high-altitude scaffold, and needs to perform operations such as overhead welding, vertical welding and transverse welding, so that the operation difficulty of the welder is increased, and certain potential safety hazards are also provided. Welding also has an influence on the straightness of the gallery bridge, and the welding may cause local bending of the gallery bridge, affecting the stress and the attractiveness of the gallery bridge. In addition, the on-site welding has the defects of low installation efficiency, long period, environmental pollution and great obstruction to travel. The old buildings are mostly located in places with dense population, and the anticorrosion construction after the construction can also pollute the environment and influence the normal life of residents around.
SUMMERY OF THE UTILITY MODEL
The aforesaid that exists to prior art is not enough, the utility model discloses a solve current steel construction gallery bridge and adopt on-the-spot welding and the anticorrosive mode installation of application, have that welding operation difficulty, quality are difficult to guarantee, construction cycle length and polluted environment's problem, provide a steel construction gallery bridge and mounting structure convenient to on-the-spot assembly, can shorten installation cycle, environmental pollution and the potential safety hazard that the at utmost reduction on-the-spot installation leads to.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a steel structure gallery bridge convenient for field assembly comprises two main beams and a plurality of secondary beams which are horizontally arranged, wherein the secondary beams are distributed between the two main beams, and two ends of each secondary beam are fixedly connected with the two main beams; the secondary beam is a rectangular hollow tube, and two ends of the secondary beam are respectively provided with a first connecting plate; one side of the two main beams, which is far away from the other side, is provided with an operation seam along the length mode of the main beams, so that the section of each main beam is C-shaped; the first connecting plates at two ends of the secondary beam are respectively clung to the main beam and are fixed together through the matching of high-strength bolts penetrating through the first connecting plates and the side wall of the main beam and nuts; and second connecting plates used for being connected with a building or an elevator shaft are respectively arranged at two ends of the main beam.
The cross section of the main beam is C-shaped by arranging two main beams and a plurality of secondary beams, wherein the secondary beams are distributed between the two main beams, and an operation seam is arranged on one side of the main beam, which is far away from the main beam, along the length of the main beam; two ends of the main beam are respectively provided with a second connecting plate used for being connected with a building or an elevator shaft; therefore, the section of the main beam is C-shaped, the inertia moment of the main beam is not less than that of the section of the original rectangular pipe, the main beam is convenient to connect through bolts, and the design is reasonable. All adopt high strength bolted connection between the girder of steel construction gallery bridge and the secondary beam, between the both ends of gallery bridge and building and the elevator well, when satisfying steel construction gallery bridge's load and construction needs, can make things convenient for quick assembly and the installation that carries on the gallery bridge, shorten installation cycle and the present environmental pollution and the potential safety hazard that the welding installation leads to of at utmost reduces.
Further, a plurality of reinforcing plates are uniformly distributed on the inner side of the main beam along the length direction of the main beam, and the reinforcing plates are welded and fixed with the inner side wall of the main beam, so that the reinforcing plates can bear the force with the main beam together, the load requirement of the gallery bridge is met, and the gallery bridge is safe and reliable.
Furthermore, the through holes through which the high-strength bolts penetrate are formed in the first connecting plate and the second connecting plate respectively, so that the main beam and the secondary beam are connected through the bolts conveniently, the main beam is connected with the building and the elevator shaft, and the design is reasonable.
Further, the through-hole is four, is the rectangular distribution and lies in the outside of girder or secondary beam, like this, after the installation high strength bolt, the connecting plate can the atress even.
Further, the aperture of the operation seam of girder is greater than distance between the through-hole on the first connecting plate, the operation of being convenient for can improve the installation effectiveness of shelter bridge.
Further, the girder is the piece of bending, and the factory production of being convenient for and prefabricating practice thrift the manufacturing cost of shelter bridge, furthest avoids the field installation.
Furthermore, the high-strength bolts are 8.8-10.9-grade bolts, so that the load requirement of the gallery bridge can be met, and the assembled gallery bridge is safe and reliable.
The utility model also provides an installation structure of the steel structure gallery bridge, which comprises a building and an elevator shaft, wherein the elevator shaft comprises four upright posts; the steel structure gallery bridge convenient for field assembly is further included; an anchor plate is arranged on the building, and a second connecting plate positioned at one end of the gallery bridge is tightly attached to the anchor plate and then fixed through a high-strength bolt; the second connecting plate that is located the gallery bridge other end passes through high strength bolt fastening on the stand of elevator well, make elevator well, gallery bridge and building link as an organic whole.
Thus, one end of the gallery bridge is tightly attached to an anchor plate on a building and then fixed by a high-strength bolt; the other end passes through high strength bolt fastening on the stand of elevator well, realized the bolted connection of shelter bridge and building and elevator well, avoided appearing adopting the installation effectiveness that the welding leads to when installing the elevator additional low, the cycle length, the polluted environment, to the big scheduling problem of hindrance of trip to construction efficiency has been improved.
Furthermore, the anchor plate is fixed on the building through chemical rivets, so that the anchor plate is firmly fixed, the corridor bridge is reliably connected with the building, and the stress generated by settlement between the newly-built corridor bridge and the elevator shaft and the original building can be solved.
Compared with the prior art, the utility model has the advantages of as follows:
1. the cross section of the main beam is C-shaped by arranging two main beams and a plurality of secondary beams, wherein the secondary beams are distributed between the two main beams, and an operation seam is arranged on one side of the main beam, which is far away from the main beam, along the length of the main beam; two ends of the main beam are respectively provided with a second connecting plate used for being connected with a building or an elevator shaft; therefore, the section of the main beam is C-shaped, the inertia moment of the main beam is not less than that of the section of the original rectangular pipe, the main beam is convenient to connect through bolts, and the design is reasonable.
2. All adopt high strength bolted connection between the girder of steel construction gallery bridge and the secondary beam, between the both ends of gallery bridge and building and the elevator well, when satisfying steel construction gallery bridge's load and construction needs, can make things convenient for quick assembly and the installation that carries on the gallery bridge, shorten installation cycle and the present environmental pollution and the potential safety hazard that the welding installation leads to of at utmost reduces.
Drawings
Figure 1 is the utility model relates to a steel construction corridor bridge's schematic diagram convenient to field assembly.
Fig. 2 is a top view of fig. 1.
Fig. 3 is the schematic view of the installation structure of the steel structure gallery bridge of the present invention.
In the figure: the gallery bridge comprises a gallery bridge 1, a main beam 11, a second connecting plate 111, a reinforcing plate 112, a secondary beam 12, a first connecting plate 121, a building 2, an elevator shaft 3 and a stand column 31.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example (b):
referring to fig. 1 and 2, the steel structure corridor bridge convenient for field assembly comprises two main beams 11 and a plurality of secondary beams 12 which are horizontally arranged. The secondary beam 12 is distributed between the two main beams 11, and two ends of the secondary beam are fixedly connected with the two main beams 11. The secondary beam 12 is a rectangular hollow tube, and first connection plates 121 are respectively arranged at two ends of the secondary beam 12. The side of the two main beams 11 which is deviated from each other is provided with an operation seam along the length mode, so that the section of the main beam 11 is C-shaped. During specific implementation, the main beam 11 is a bending piece, so that factory production and prefabrication are facilitated, a coating process is completed in a factory, the manufacturing cost of the gallery bridge 1 is saved, field installation is avoided to the maximum extent, and the influence of field coating on the environment is also avoided. A plurality of reinforcing plates 112 are uniformly distributed on the inner side of the main beam 11 along the length direction of the main beam, and the reinforcing plates 112 are welded and fixed with the inner side wall of the main beam 11, so that the reinforcing plates 112 and the main beam 11 can bear force together, the load requirement of the gallery bridge 1 is met, and the gallery bridge 1 is safe and reliable. The first connecting plates 121 at the two ends of the secondary beam 12 are respectively attached to the main beam 11 and fixed together by the high-strength bolts penetrating through the first connecting plates 121 and the side walls of the main beam 11 in cooperation with nuts. Second connection plates 111 for connecting to the building 2 or the elevator shaft 3 are provided at both ends of the main beam 11, respectively. In practice, through holes through which high-strength bolts pass are formed in the first connecting plate 121 and the second connecting plate 111, respectively. The through-holes are four and are distributed in a rectangular shape and located on the outer side of the main beam 11 or the secondary beam 12, and therefore after the high-strength bolt is installed, the connecting plate can be stressed evenly. Specifically, the aperture of the operation seam of the main beam 11 is greater than the distance between the through holes of the first connecting plate 121, so that the high-strength bolt can be conveniently installed, and the installation efficiency of the gallery bridge 1 can be improved. Preferably, the high-strength bolts are 8.8-10.9-grade bolts, so that the load requirement of the gallery bridge 1 can be met, and the assembled gallery bridge 1 is safe and reliable.
During assembly, see fig. 3, several bridges 1 are provided between the building 2 and the elevator shaft 3. The building 2 is provided with the anchor plate, and the preferred anchor plate is fixed on the building 2 through chemical rivets, so that the anchor plate is firmly fixed, the corridor bridge 1 and the building 2 are reliably connected, and the stress generated by settlement between the newly-built corridor bridge 1 and the elevator hoistway 3 and the original building 2 can be solved. The second connecting plate 111 that will be located 1 one end of gallery bridge is hugged closely the back with the anchor slab and is fixed gallery bridge 1 and building 2 through high strength bolt, the second connecting plate 111 that is located 1 other end of gallery bridge pass through high strength bolt with the stand 31 of elevator well 3 is fixed, makes elevator well 3, gallery bridge 1 and building 2 link to each other as an organic whole. Like this, can make things convenient for quick assembly and the installation of carrying out corridor bridge 1, shorten installation cycle and the environmental pollution and the potential safety hazard that present welding installation leads to of furthest reduction.
The cross section of the main beam is C-shaped by arranging two main beams and a plurality of secondary beams, wherein the secondary beams are distributed between the two main beams, and an operation seam is arranged on one side of the main beam, which is far away from the main beam, along the length of the main beam; two ends of the main beam are respectively provided with a second connecting plate used for being connected with a building or an elevator shaft; therefore, the section of the main beam is C-shaped, the inertia moment of the main beam is not less than that of the section of the original rectangular pipe, the main beam is convenient to connect through bolts, and the design is reasonable. All adopt high strength bolted connection between the girder of steel construction gallery bridge and the secondary beam, between the both ends of gallery bridge and building and the elevator well, when satisfying steel construction gallery bridge's load and construction needs, can make things convenient for quick assembly and the installation that carries on the gallery bridge, shorten installation cycle and the present environmental pollution and the potential safety hazard that the welding installation leads to of at utmost reduces.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.
Claims (9)
1. A steel structure gallery bridge convenient for field assembly comprises two main beams and a plurality of secondary beams which are horizontally arranged, wherein the secondary beams are distributed between the two main beams, and two ends of each secondary beam are fixedly connected with the two main beams; the device is characterized in that the secondary beam is a rectangular hollow tube, and two ends of the secondary beam are respectively provided with a first connecting plate; one side of the two main beams, which is far away from the other side, is provided with an operation seam along the length mode of the main beams, so that the section of each main beam is C-shaped; the first connecting plates at two ends of the secondary beam are respectively clung to the main beam and are fixed together through the matching of high-strength bolts penetrating through the first connecting plates and the side wall of the main beam and nuts; and second connecting plates used for being connected with a building or an elevator shaft are respectively arranged at two ends of the main beam.
2. The steel structure gallery bridge convenient for field assembly of claim 1, wherein a plurality of reinforcing plates are uniformly distributed on the inner side of the main beam along the length direction of the main beam, and the reinforcing plates are welded and fixed with the inner side wall of the main beam.
3. The steel structure gallery bridge of claim 1, wherein the first and second connecting plates are provided with through holes for passing high-strength bolts.
4. The steel structure gallery bridge convenient for field assembly of claim 3, wherein the number of the through holes is four, and the four through holes are distributed in a rectangular shape and are positioned on the outer side of the main beam or the secondary beam.
5. The steel structure corridor bridge convenient for field assembly according to claim 4, wherein the opening degree of the operation seam of the main beam is larger than the distance between the through holes on the first connecting plate.
6. The steel structure gallery bridge of claim 1, wherein the main beams are bent pieces.
7. The steel structural gallery bridge of any one of claims 1 to 6, wherein the high strength bolts are 8.8-10.9 grade bolts.
8. A mounting structure of a steel structure gallery bridge comprises a building and an elevator shaft, wherein the elevator shaft comprises four upright posts; the steel structure gallery bridge convenient for field assembly as claimed in any one of claims 1 to 7; an anchor plate is arranged on the building, and a second connecting plate positioned at one end of the gallery bridge is tightly attached to the anchor plate and then fixed through a high-strength bolt; the second connecting plate that is located the gallery bridge other end passes through high strength bolt fastening on the stand of elevator well, make elevator well, gallery bridge and building link as an organic whole.
9. The installation structure of a steel structural bridge, as claimed in claim 8, wherein said anchor plates are fixed to the building by chemical rivets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021860499.0U CN213114268U (en) | 2020-08-31 | 2020-08-31 | Steel construction corridor bridge convenient to field assembly and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021860499.0U CN213114268U (en) | 2020-08-31 | 2020-08-31 | Steel construction corridor bridge convenient to field assembly and mounting structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN213114268U true CN213114268U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021860499.0U Active CN213114268U (en) | 2020-08-31 | 2020-08-31 | Steel construction corridor bridge convenient to field assembly and mounting structure thereof |
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| Country | Link |
|---|---|
| CN (1) | CN213114268U (en) |
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