CN220955624U - Steel supporting structure for subway construction - Google Patents
Steel supporting structure for subway construction Download PDFInfo
- Publication number
- CN220955624U CN220955624U CN202322292367.2U CN202322292367U CN220955624U CN 220955624 U CN220955624 U CN 220955624U CN 202322292367 U CN202322292367 U CN 202322292367U CN 220955624 U CN220955624 U CN 220955624U
- Authority
- CN
- China
- Prior art keywords
- steel
- middle section
- movable end
- end head
- subway construction
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 103
- 239000010959 steel Substances 0.000 title claims abstract description 103
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 241000221035 Santalaceae Species 0.000 description 1
- 235000008632 Santalum album Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model discloses a steel support structure for subway construction, which is arranged between steel purlins and comprises a fixed end, a middle section and a movable end which are sequentially and coaxially connected together; the fixed end head comprises a steel table in the shape of a round table, and a plurality of bolt perforations are uniformly formed on the end surface of the steel table; the middle section comprises a cylindrical steel cylinder body, and connecting rings with bolt holes are respectively arranged at two ends of the steel cylinder body; the movable end head comprises a steel table connected with the middle section, and the end face of the steel table is connected with a plurality of support rods of which the other ends are connected with the steel purlin; the below of bracing piece is provided with the layer board, and the layer board passes through the bolt and encloses the purlin with the steel and be connected. The utility model has the advantages of convenient use, convenient operation, good stability and high reliability.
Description
Technical Field
The utility model relates to the technical field of subway construction, in particular to a steel supporting structure for subway construction.
Background
The steel support is used for enhancing the stability of engineering structures by using steel pipes, H-shaped steel, angle steel and the like, is generally an inclined connecting member, is most commonly in a herringbone shape and a crossed shape, and is widely applied to subway and foundation pit support at present.
The steel support is erected very time, the time and the position of the steel support are directly related to the stability of the deep foundation pit, and the steel support is erected to meet the design requirement. However, the existing rail support still has a plurality of defects, the installation is difficult, the rapid installation and fixation cannot be realized, and the existing rail support often has the deviation, so that the limitation effect on the rail is reduced.
Therefore, there is a need for a steel support structure for subway construction.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a steel support structure for subway construction, which aims to solve the problem in the background technology.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
The steel support structure for subway construction is arranged between steel purlins and comprises a fixed end, a middle section and a movable end which are coaxially connected in sequence, wherein a plurality of middle sections can be arranged, and a steel wedge block can be inserted between the movable end and the connected steel purlins; the fixed end head comprises a steel table in the shape of a round table, and a plurality of bolt perforations parallel to the axial direction are uniformly formed in the end face of the steel table; the middle section comprises a cylindrical steel cylinder body, and connecting rings with bolt holes are respectively arranged at two ends of the steel cylinder body; the movable end head comprises a steel table connected with the middle section, and the end face of the steel table is connected with a plurality of support rods of which the other ends are connected with the steel purlin; the below of bracing piece is provided with the layer board that is used for increasing bearing stability, and the layer board is connected with steel enclosing purlin through the bolt.
According to the further optimized technical scheme, the supporting rod is sleeved with the steel sleeve, and one end of the steel sleeve is connected with the steel table on the movable end.
According to the further optimized technical scheme, two jacks can be arranged between the steel table and the steel enclosing purlin in the movable end head.
According to the further optimized technical scheme, a plurality of rib plates for increasing the connection strength are arranged between the connecting ring and the steel cylinder body.
According to the further optimized technical scheme, a plurality of rib plates for increasing the connection strength are arranged between the fixed end head and the middle section and between the movable end head and the middle section.
By adopting the technical scheme, the utility model has the following technical progress.
The utility model provides a steel support structure for subway construction, which consists of a movable end, a fixed end and a middle section, wherein the movable end, the fixed end and the middle section are connected by bolts, a positive and a negative mode is adopted, and each bolt is ensured to be screwed up and cannot be loosened; reinforcing is performed by arranging rib plates, so that deformation is prevented.
The utility model has the advantages of convenient use, convenient operation, good stability and high reliability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Wherein: 1. the movable end, 101, a support rod, 2, a fixed end, 21, a steel table, 22, bolt perforation, 3, a middle section, 31, a steel cylinder, 32, a connecting ring, 4, a jack, 5, a supporting plate, 6, a rib plate, 7, a steel purlin, 8, a steel wedge block, 9, a bolt, 10 and a steel sleeve.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific embodiments.
The steel supporting structure for subway construction is arranged between steel purlins 7 and is shown in combination with fig. 1, and comprises a movable end head 1, a fixed end head 2, a middle section 3, a jack 4, a supporting plate 5, a rib plate 6, bolts 9 and a steel sleeve 10.
The fixed end head 2, the middle section 3 and the movable end head 1 are sequentially and coaxially connected together, and when the steel wedge block is installed, a plurality of the middle sections 3 can be arranged according to the distance between the steel purlins 7 at two sides, and steel wedge blocks can be inserted between the movable end head 1 and the connected steel purlins 9; and the axes of the waist beam, the end head and the jack 4 are on the same plane, and the flange bolts 9 on the transverse support are wrenched diagonally and in a grading sequence to ensure straight.
The fixed end head 2 comprises a steel table 21 in a round table shape, a plurality of bolt through holes 22 are uniformly formed in the end face of the steel table 21, and the bolt through holes 22 are parallel to the axial direction of the steel table 21. The small end face of the steel table 21 is contacted with the middle section 3, and the large end face of the steel table 21 is attached to the steel purlin 7.
The middle section 3 comprises a cylindrical steel cylinder 31, connecting rings 32 are respectively arranged at two ends of the steel cylinder 31, the connecting rings 32 are perpendicular to the steel cylinder 31, and a plurality of bolt holes are uniformly formed in the connecting rings 32. A plurality of rib plates 6 are arranged between the connecting ring 32 and the steel cylinder 31 for increasing the strength of connection.
The movable end 1 comprises a steel table 21 connected with the middle joint 3 and is arranged symmetrically relative to the steel table 21 in the fixed end 2. The large end face of the steel table 21 is connected with a plurality of supporting rods 101, and the other ends of the supporting rods 101 are connected with the steel purlin 7. The below of bracing piece 101 is provided with layer board 5 that the level set up, and layer board 5 is connected with steel purlin 7 through bolt 9 for increase the stability of bearing.
The supporting rod 101 is sleeved with a steel sleeve 10, and one end of the steel sleeve 10 is connected with a steel table 21 on the movable end head 1.
A plurality of rib plates 6 are arranged between the fixed end head 2 and the middle section 3 and between the movable end head 1 and the middle section 3 for increasing the strength of connection.
When the hydraulic jack is in actual use, after a soil layer is excavated to a steel support erection position, the steel support is hoisted in place, a lifting hook is not loosened, a fixed end head 2 is placed on a steel enclosing purlin 7 on one side, a movable end head 1 at one end is pulled out to prop against the steel enclosing sandalwood, and then the hydraulic jack 4 is placed in a jacking position. The jack 4 is put into 2 jacks 4 to apply prestress to the soil retaining structure, the jack 4 is required to be attached with a pressure gauge, calibration is required in a laboratory before use, the two jacks are required to synchronously apply jacking force, and after the design value is reached, the jack 4 can be removed by plugging the steel wedge block 8. When the jack 4 is put in, one end of the jack 4 is firstly propped against the steel surrounding sandal, and the other end is propped against the steel table 21 of the movable end head 1. After the jack 4 is connected with an oil pipe, the pump can be started to apply prestress, and after the prestress is applied in place, a gap at the end is tightly supported by a steel wedge block 8 and welded firmly; and then returning oil to loosen the jack 4, and unlocking the hoisting steel wire rope to finish the installation of the support.
Claims (5)
1. Steel bearing structure is used in subway construction sets up between steel surrounding purlin (7), its characterized in that: the steel wedge block comprises a fixed end (2), a middle joint (3) and a movable end (1) which are coaxially connected in sequence, wherein a plurality of middle joints (3) can be arranged, and a steel wedge block (8) can be inserted between the movable end (1) and a connected steel enclosing purlin (7); the fixed end head (2) comprises a steel table (21) in a shape of a round table, and a plurality of bolt perforations (22) parallel to the axial direction are uniformly formed in the end face of the steel table (21); the middle section (3) comprises a cylindrical steel cylinder body (31), and connecting rings (32) with bolt holes are respectively arranged at two ends of the steel cylinder body (31); the movable end head (1) comprises a steel table (21) connected with the middle section (3), and a plurality of support rods (101) with the other ends connected with the steel purlins (7) are connected to the end face of the steel table (21); the support plate (5) for increasing the bearing stability is arranged below the support rod (101), and the support plate (5) is connected with the steel purlin (7) through bolts (9).
2. The steel support structure for subway construction according to claim 1, characterized in that: the supporting rod (101) is sleeved with a steel sleeve (10), and one end of the steel sleeve (10) is connected with a steel table (21) on the movable end head (1).
3. The steel support structure for subway construction according to claim 2, characterized in that: two jacks (4) can be arranged between the steel table and the steel purlin in the movable end head (1).
4. The steel support structure for subway construction according to claim 1, characterized in that: a plurality of rib plates (6) for increasing the connection strength are arranged between the connecting ring (32) and the steel cylinder body (31).
5. The steel support structure for subway construction according to claim 4, wherein: a plurality of rib plates (6) for increasing the connection strength are arranged between the fixed end head (2) and the middle section (3) and between the movable end head (1) and the middle section (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322292367.2U CN220955624U (en) | 2023-08-25 | 2023-08-25 | Steel supporting structure for subway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322292367.2U CN220955624U (en) | 2023-08-25 | 2023-08-25 | Steel supporting structure for subway construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955624U true CN220955624U (en) | 2024-05-14 |
Family
ID=90973527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322292367.2U Active CN220955624U (en) | 2023-08-25 | 2023-08-25 | Steel supporting structure for subway construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955624U (en) |
-
2023
- 2023-08-25 CN CN202322292367.2U patent/CN220955624U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105863362A (en) | Deviation rectifying device for inclined transmission tower | |
| CN105203398A (en) | Experiment loading device and method considering stress amplitude of web member joint and applied to truss arch bridge | |
| CN206143757U (en) | It expands bored concrete pile stake pipe and pile driver to add elongated immersed tube rammer | |
| CN112854008A (en) | Prefabricated bridge pier and beam integrated bridge girder erection machine and construction method thereof | |
| CN211228518U (en) | Steel pipe supporting structure | |
| CN109629449B (en) | Mounting and positioning support and alignment method for steel-concrete combined section of arch foot of steel box arch bridge | |
| CN110700332A (en) | Existing building reinforcing pile foundation static load test counterforce device and test method thereof | |
| CN220955624U (en) | Steel supporting structure for subway construction | |
| CN209907206U (en) | Auxiliary device for installing dumbbell-shaped arch ribs | |
| CN217419647U (en) | Prestress applying structure and foundation pit beam string steel pull rod prestress applying node | |
| CN214738224U (en) | Concrete prefabricated assembling tower crane foundation structure | |
| CN114772455A (en) | Temporary hoisting point installation system and method | |
| CN208996499U (en) | A kind of traction device of house displacement | |
| CN212294684U (en) | Prestressed supporting rod for foundation pit enclosure | |
| CN215566017U (en) | Steel bearing structure convenient to equipment | |
| CN210975793U (en) | Special counter-force frock of segment pile construction | |
| CN217438744U (en) | Pier reinforcing device for pushing construction of three-main-truss steel truss girder bridge | |
| CN220747273U (en) | Lattice column supports quick splicing device | |
| CN220117227U (en) | Reinforced structure of foundation pit inner support | |
| CN213574127U (en) | Retractable stull device that tunnel construction used | |
| CN216896076U (en) | Multifunctional hole supporting device for slurry balance pipe jacking construction | |
| CN220414960U (en) | Tool for eliminating load settlement of erection support in existing culvert | |
| CN113027102B (en) | Soft soil foundation construction support inner support construction operation platform and construction method | |
| CN116201132A (en) | Main support applied to foundation pit engineering | |
| CN112112153B (en) | Efficient construction method for segmental pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |