CN213865087U - Prefabricated portal frame of whole bolted connection - Google Patents
Prefabricated portal frame of whole bolted connection Download PDFInfo
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- CN213865087U CN213865087U CN202022910686.1U CN202022910686U CN213865087U CN 213865087 U CN213865087 U CN 213865087U CN 202022910686 U CN202022910686 U CN 202022910686U CN 213865087 U CN213865087 U CN 213865087U
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- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000007689 inspection Methods 0.000 claims 1
- 238000009417 prefabrication Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an integral bolt connection prefabricated portal frame, which comprises a first portal frame unit, a second portal frame unit, a third portal frame unit and a girder; the first portal frame unit and the third portal frame unit are arranged on two sides of the second portal frame unit; a cross brace unit and a horizontal brace unit are arranged between the first portal frame unit and the second portal frame unit; a cross brace unit and a horizontal brace unit are arranged between the second portal frame unit and the third portal frame unit; two ends of the main beam are respectively installed on the first portal frame unit and the third portal frame unit through bolts, and the middle of the main beam is hung on the second portal frame unit; install the canopy above first portal frame unit, second portal frame unit and the third portal frame unit, the utility model provides a portal frame, including the prefabricated unit of three portal frame, pass through bolted connection, easy dismounting when the equipment.
Description
Technical Field
The utility model belongs to the technical field of engineering equipment, concretely relates to prefabricated portal frame of whole bolted connection.
Background
The girder, the stull, the bridging etc. of current portal frame installation scheme all adopt welded connection, have risks such as conflagration, electric shock injury in the installation, and need cut the dismouting of accomplishing at the corresponding steel of dismantlement in-process, cause steel length difference when steel reuse, and the length inaccuracy easily leads to the fact the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a whole bolted connection prefabricated portal frame to among the solution prior art, the difficult dismouting problem of longmen.
In order to realize the purpose, the following technical scheme is adopted:
an integrally bolted prefabricated portal frame comprises a first portal frame unit, a second portal frame unit, a third portal frame unit and a main beam; the first portal frame unit and the third portal frame unit are arranged on two sides of the second portal frame unit; a cross brace unit and a horizontal brace unit are arranged between the first portal frame unit and the second portal frame unit; a cross brace unit and a horizontal brace unit are arranged between the second portal frame unit and the third portal frame unit; two ends of the main beam are respectively installed on the first portal frame unit and the third portal frame unit through bolts, and the middle of the main beam is hung on the second portal frame unit; and the rainshed is arranged above the first portal frame unit, the second portal frame unit and the third portal frame unit, and sealing baffles are respectively arranged on the periphery of the first portal frame unit, the periphery of the second portal frame unit and the periphery of the third portal frame unit through sealing supports.
Preferably, the first portal frame unit comprises two first columns and a first beam, and two ends of the first beam are respectively mounted at the top ends of the two first columns by using bolts.
Preferably, the first gantry unit and the third gantry unit have the same structure.
Preferably, the second portal frame unit comprises two second columns and a second beam, and two ends of the second beam are respectively mounted at the top ends of the two second columns by using bolts.
Preferably, one end of the main beam is mounted in the middle of a first beam of the first portal frame unit by using a bolt, and the other end of the main beam is mounted in the middle of a beam of the third portal frame unit by using a bolt; and the middle part of the main beam is hung in the middle part of a second beam of the second portal frame unit.
Preferably, the pair of bridging units is divided into a first bridging unit and a second bridging unit which have the same structure; the horizontal support unit is divided into a first horizontal support unit and a second horizontal support unit which have the same structure; the first cross bracing unit and the first horizontal bracing unit are arranged between the first portal frame unit and the second portal frame unit by bolts; and the second cross bracing unit and the second horizontal bracing unit are arranged between the second portal frame unit and the third portal frame unit by bolts.
Preferably, the bridging unit comprises a bridging middle connecting plate and bridging channel steel, the bridging middle connecting plate is respectively in bolted connection with one end of the four bridging channel steel, and the other end of the bridging channel steel is respectively in bolted connection with a bridging connecting plate; the bridging connecting plate is installed on the portal frame unit through bolts.
Preferably, the horizontal support unit comprises a horizontal support channel steel, two ends of the horizontal support channel steel are respectively connected with a horizontal support connecting plate through bolts, and the horizontal support connecting plates are installed on the portal frame unit through bolts.
Preferably, the lower part of the second portal frame unit is provided with an operation platform, and the upper part of the second portal frame unit is provided with an overhaul platform; the operation platform comprises a walking platform and an inclined strut, an inner side bolt of the walking platform is installed on the second portal frame unit, one end of the inclined strut is fixedly connected to the outer side of the walking platform through a bolt, and the other end of the inclined strut is fixedly connected to the second portal frame unit through a bolt; the maintenance platform comprises a platform bottom plate and guardrails.
Preferably, install the electric hoist on the girder, the electric hoist sets up to follow girder reciprocating motion.
The utility model has the advantages as follows:
the embodiment of the utility model provides a portal frame, including the prefabricated unit of three portal frame, pass through bolted connection, easy dismounting when the equipment. The problem of current portal frame installation can be solved, and is energy-concerving and environment-protective, guarantees that the portal frame structure is more stable when reducing corresponding risk. The bolt connection has the advantages of convenience in installation, various forms, reliability in connection and convenience in disassembly. The practicality is stronger, convenient operation.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a frame diagram of a portal frame in an embodiment of the present invention;
FIG. 2 is a structural view of a canopy and a closed support in an embodiment of the present invention;
fig. 3 is a cross-sectional view of a portal frame in an embodiment of the present invention;
fig. 4 is a longitudinal cutting view of the portal frame in the embodiment of the present invention;
FIG. 5 is a diagram of the installation positions of the operation platform and the maintenance platform in the embodiment of the present invention;
FIG. 6 is a diagram illustrating an installation position of an operation platform according to an embodiment of the present invention;
FIG. 7 is a structural diagram of a middle connection plate of a cross brace in an embodiment of the present invention;
FIG. 8 is a structural diagram of a bridging plate of the embodiment of the present invention;
wherein: 1 a first gantry unit; 11 a first upright; 12 a first cross member; 2 a second gantry unit; 21 a second upright; 22 a second cross member; 3 a third gantry unit; 4 a first scissor unit; 5 a first horizontal supporting unit; 6 a second scissor-bracing unit; 7 a second horizontal support unit; 8, a main beam; 9 operating the platform; 91 a walking platform; 92 an inclined strut; 10, overhauling the platform; 101 a platform floor; 102 a guardrail; 100 cross brace intermediate junction plates; 200 bridging channel steel; 300 bridging connecting plates; 400 horizontally supporting channel steel; 500 horizontal supporting connection plates; 600 closing the bracket; 700 canopy.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.
As shown in fig. 1 to 3, an integral bolt connection prefabricated portal frame comprises a first portal frame unit 1, a second portal frame unit 2, a third portal frame unit 3 and a main beam 8; the first portal frame unit 1 and the third portal frame unit 3 are arranged at two sides of the second portal frame unit 2; a cross bracing unit and a horizontal bracing unit are arranged between the first portal frame unit 1 and the second portal frame unit 2; a cross bracing unit and a horizontal bracing unit are arranged between the second portal frame unit 2 and the third portal frame unit 3; reduce because of the rocking of dynamic load lead to the stand, increase the overall stability of portal frame. Two ends of the main beam 8 are respectively installed on the first portal frame unit 1 and the third portal frame unit 3 through bolts, and the middle part of the main beam 8 is hung on the second portal frame unit 2 through bolts, so that the main beam 8 forms a 2-span continuous beam. The first portal frame unit 1, the second portal frame unit 2 and the third portal frame unit 3 are respectively installed on a portal frame foundation, the portal frame foundation comprises a reinforced concrete buttress and embedded foundation bolts, and the embedded foundation bolts are respectively connected with the first portal frame unit 1, the second portal frame unit 2 and the third portal frame unit 3.
Canopy 700 is installed to first portal frame unit 1, second portal frame unit 2 and third portal frame unit 3 top, and sealing baffle is installed through close support 600 all around respectively to first portal frame unit 1, second portal frame unit 2, third portal frame unit 3.
The vertical column of the portal frame is welded with a ladder. 1 5t electric hoist is installed on the girder 8, and the bucket adopts diameter 1m3 capacity plan, and the electric hoist sets up to can follow girder 8 reciprocating motion.
The first portal frame unit 1 comprises two first vertical columns 11 and a first cross beam 12, and two ends of the first cross beam 12 are respectively installed at the top ends of the two first vertical columns 11 by using bolts. The first gantry unit 1 and the third gantry unit 3 have the same structure.
The second gantry unit 2 includes two second columns 21 and a second beam 22, and both ends of the second beam 22 are respectively mounted on top ends of the two second columns 21 using bolts. One end of the main beam 8 is arranged in the middle of the first beam 12 of the first portal frame unit 1 by bolts, and the other end of the main beam is arranged in the middle of the beam of the third portal frame unit 3 by bolts; the middle part of the main beam 8 is hung in the middle of the second beam 22 of the second portal frame unit 2. And the root of the upright post and the embedded steel plate are subjected to girth welding and reinforced by a rib plate.
As shown in fig. 4 and 7-8, the cross-brace units are divided into a first cross-brace unit 4 and a second cross-brace unit 6 with the same structure; the horizontal support unit is divided into a first horizontal support unit 5 and a second horizontal support unit 7 which have the same structure; the first cross bracing unit 4 and the first horizontal bracing unit 5 are arranged between the first portal frame unit 1 and the second portal frame unit 2 by bolts; the second cross bracing unit 6 and the second horizontal bracing unit 7 are installed between the second portal frame unit 2 and the third portal frame unit 3 by bolts.
The cross brace unit comprises cross brace middle connecting plates 100 and cross brace channel steel 200, the cross brace middle connecting plates 100 are respectively in bolted connection with one ends of the four cross brace channel steel 200, and the other ends of the cross brace channel steel 200 are respectively in bolted connection with cross brace connecting plates 300; the bridging connection plate 300 is bolted to the gantry unit.
The horizontal support unit comprises a horizontal support channel steel 400, two ends of the horizontal support channel steel 400 are respectively in bolted connection with a horizontal support connecting plate 500, and the horizontal support connecting plate 500 is mounted on the portal frame unit through bolts.
As shown in fig. 5 to 6, the lower part of the second gantry unit 2 is provided with an operation platform 9, and the upper part is provided with an overhaul platform 10; the operating platform 9 comprises a walking platform 91 and an inclined strut 92, an inner side bolt of the walking platform 91 is installed on the second portal frame unit 2, one end of the inclined strut 91 is fixedly connected to the outer side of the walking platform 91 through a bolt, and the other end of the inclined strut is fixedly connected to the second portal frame unit 2 through a bolt; the maintenance platform 10 comprises a platform bottom plate 101 and guardrails 102, wherein the platform bottom plate 101 is formed by 12-number channel steel, and the guardrails are formed by 30-2.5 square pipes.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (10)
1. An integral bolted prefabricated portal frame is characterized by comprising a first portal frame unit (1), a second portal frame unit (2), a third portal frame unit (3) and a main beam (8); the first portal frame unit (1) and the third portal frame unit (3) are arranged on two sides of the second portal frame unit (2); a cross bracing unit and a horizontal bracing unit are arranged between the first portal frame unit (1) and the second portal frame unit (2); a cross bracing unit and a horizontal bracing unit are arranged between the second portal frame unit (2) and the third portal frame unit (3); two ends of the main beam (8) are respectively installed on the first portal frame unit (1) and the third portal frame unit (3) through bolts, and the middle of the main beam (8) is hung on the second portal frame unit (2); canopy (700) are installed to first portal frame unit (1), second portal frame unit (2) and third portal frame unit (3) top, and seal baffle is installed through close support (600) respectively all around first portal frame unit (1), second portal frame unit (2), third portal frame unit (3).
2. The integrally bolted prefabricated portal frame of claim 1, wherein said first portal frame unit (1) comprises two first uprights (11) and a first cross member (12), and two ends of said first cross member (12) are respectively mounted on top ends of said two first uprights (11) by bolts.
3. The integrally bolted pre-fabricated portal frame according to claim 2, characterized in that said first portal frame unit (1) and said third portal frame unit (3) are structurally identical.
4. The integrally bolted prefabrication portal frame of claim 3, wherein said second portal frame unit (2) comprises two second uprights (21) and a second cross-beam (22), and two ends of said second cross-beam (22) are respectively mounted on the top ends of the two second uprights (21) by bolts.
5. The integrally bolted prefabricated portal frame according to claim 4, wherein one end of the main beam (8) is bolted to the middle of the first beam (12) of the first portal frame unit (1), and the other end is bolted to the middle of the beam of the third portal frame unit (3); the middle part of the main beam (8) is hung in the middle of a second cross beam (22) of the second portal frame unit (2).
6. The integrally bolted pre-fabricated portal frame of claim 1, wherein said bridging units are divided into a first (4) and a second (6) structurally identical; the horizontal support unit is divided into a first horizontal support unit (5) and a second horizontal support unit (7) which have the same structure; the first cross bracing unit (4) and the first horizontal bracing unit (5) are installed between the first portal frame unit (1) and the second portal frame unit (2) by bolts; the second cross bracing unit (6) and the second horizontal bracing unit (7) are installed between the second portal frame unit (2) and the third portal frame unit (3) by bolts.
7. The integrally bolted precast portal frame of claim 1, wherein said scissor units comprise a scissor middle connection plate (100) and a scissor channel (200), said scissor middle connection plate (100) being bolted to one end of each of four said scissor channels (200), and the other end of each of said scissor channels (200) being bolted to a scissor connection plate (300); the cross brace connecting plate (300) is installed on the portal frame unit through bolts.
8. The integrally bolted precast portal frame of claim 1, wherein the horizontal strut unit comprises a horizontal strut channel steel (400), two ends of the horizontal strut channel steel (400) are respectively bolted with a horizontal strut connecting plate (500), and the horizontal strut connecting plates (500) are bolted on the portal frame unit.
9. The integrally bolted prefabricated portal frame of claim 1, wherein an operating platform (9) is mounted on the lower part of said second portal frame unit (2), and an inspection platform (10) is mounted on the upper part; the operation platform (9) comprises a walking platform (91) and an inclined strut (92), an inner side bolt of the walking platform (91) is installed on the second portal frame unit (2), one end of the inclined strut (92) is fixedly connected to the outer side of the walking platform (91) through a bolt, and the other end of the inclined strut is fixedly connected to the second portal frame unit (2) through a bolt; the service platform (10) comprises a platform floor (101) and a guardrail (102).
10. An integrally bolted precast portal frame according to claim 1, characterized in that an electric hoist is mounted on said main beam (8), said electric hoist being arranged to be able to reciprocate along said main beam (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022910686.1U CN213865087U (en) | 2020-12-07 | 2020-12-07 | Prefabricated portal frame of whole bolted connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022910686.1U CN213865087U (en) | 2020-12-07 | 2020-12-07 | Prefabricated portal frame of whole bolted connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213865087U true CN213865087U (en) | 2021-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022910686.1U Active CN213865087U (en) | 2020-12-07 | 2020-12-07 | Prefabricated portal frame of whole bolted connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213865087U (en) |
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2020
- 2020-12-07 CN CN202022910686.1U patent/CN213865087U/en active Active
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