CN215887882U - High-bearing assembly type liftable steel trestle - Google Patents
High-bearing assembly type liftable steel trestle Download PDFInfo
- Publication number
- CN215887882U CN215887882U CN202121785583.5U CN202121785583U CN215887882U CN 215887882 U CN215887882 U CN 215887882U CN 202121785583 U CN202121785583 U CN 202121785583U CN 215887882 U CN215887882 U CN 215887882U
- Authority
- CN
- China
- Prior art keywords
- steel
- steel pipe
- truss
- pipe column
- reinforcing
- 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
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a construction auxiliary facility, and particularly relates to a high-bearing assembled type liftable steel trestle, which comprises two groups of steel pipe column groups which are oppositely arranged, wherein each group of steel pipe column group comprises four steel pipe columns, a first reinforcing structure is arranged between the adjacent steel pipe columns, bearing beams are arranged on the two groups of steel pipe columns, truss structures are arranged on the bearing beams, a road surface is arranged on the truss structures, support frames are arranged on two sides of each group of steel pipe column group, a second reinforcing structure is arranged between each support frame and the corresponding steel pipe column, a fixed platform is arranged on each support frame, a lifting device is arranged on each fixed platform, and the lifting devices are connected with the truss structures. Each group of steel pipe column group is composed of four steel pipe columns arranged in a matrix mode, and adjacent steel pipe columns are connected through first reinforcing steel, second reinforcing steel and third reinforcing steel, so that the steel pipe column group has strong structural strength and bearing capacity.
Description
Technical Field
The utility model belongs to the technical field of construction auxiliary facilities, and particularly relates to a high-bearing assembly type liftable steel trestle.
Background
When a large-scale water structure is constructed, a steel trestle needs to be built as a temporary channel for construction equipment and personnel to come and go between a shore and a water construction position. Traditional steel trestle bridge floor height is fixed, generally satisfies the demand that the ship normally navigates by traffic through the mode that improves steel trestle elevation, but too high height can reduce the stability of steel trestle structure, reduces its bearing capacity, if for improving bearing capacity then need a large amount of reinforced structure, the material quantity is big, the cost-push.
The Chinese utility model patent with the application number of 201721489130.1 discloses a liftable steel trestle structure, which comprises a steel trestle bridge floor, piers supported below the steel trestle bridge floor, and two lifting mechanisms, wherein the two lifting mechanisms are respectively arranged at the front end and the rear end of the steel trestle bridge floor; the lifting mechanism comprises a lifting gantry, a lifting beam and two winches; the lifting gantry comprises two supporting mechanisms, the lifting beam is arranged under the cross beam, two ends of the lifting beam are fixedly provided with sliding blocks, and two ends of each sliding block are respectively clamped in vertical sliding grooves of two stand columns in the same supporting mechanism; the two same hoisting machines in the lifting mechanism are symmetrically arranged at the left end and the right end of the cross beam, steel strands are wound on the two hoisting machines, and the lower ends of the two steel strands vertically penetrate through the cross beam and then are connected with the left end and the right end of the hanging beam respectively. The utility model ensures that the bridge deck of the lifted steel trestle does not swing left and right or front and back by respectively installing the sliding blocks at the two ends of the hanging beam.
Among the above-mentioned over-and-under type steel trestle, the bearing structure of steel trestle is comparatively simple, and the bearing capacity is not enough, and the stability of structure is not enough when facing great load, takes place danger easily, provides a high over-and-under type steel trestle who bears for this reason.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems and provides a steel trestle with high bearing capacity and capable of lifting.
The purpose of the utility model is realized as follows: the utility model provides a high bearing assembled liftable steel trestle, includes the steel tubular column group that two sets of relative settings. Two sets of steel pipe column group symmetries set up and constitute navigation passageway, and every steel pipe column group of group is the matrix form by four steel-pipe columns and arranges and constitute, connects through first reinforced structure between the adjacent steel-pipe column, can strengthen the joint strength between the adjacent steel-pipe column to strengthen the holistic structural strength of steel pipe column group, improve bearing capacity. The bearing beams are fixedly mounted on the two groups of steel pipe column groups, truss structures are arranged on the bearing beams, and the truss structures are provided with road surfaces. The both sides of every group steel pipe column group are equipped with the support frame, set up elevating gear on the support frame, and elevating gear connects truss structure, can promote truss structure through elevating gear to open the navigation passageway, make things convenient for the ship to pass through, the ship passes through the back by elevating gear with truss structure below to spandrel girder, make construction equipment and personnel can continue current. The support frame passes through the second reinforced structure and is connected with the steel-pipe column, can strengthen the installation intensity of support frame, guarantees its bearing structure's in the time of elevating gear's the operation stability.
In this technical scheme, first reinforced structure includes first reinforcement steel, second reinforcement steel and third reinforcement steel, be provided with first staple bolt and second staple bolt on the steel-pipe column, first staple bolt sets up the top at the second staple bolt, the second staple bolt of two adjacent steel-pipe columns is connected at the both ends of first reinforcement steel, the first staple bolt of one side steel-pipe column is connected to second reinforcement steel one end, first reinforcement steel is connected to the other end, the first staple bolt of opposite side steel-pipe column is connected to third reinforcement steel one end, first reinforcement steel is connected to the other end, thereby make the second reinforce steel and constitute "V" font structure with the third reinforcement steel, make first reinforcement steel and second reinforcement steel constitute triangle structure, first reinforcement steel and third reinforcement steel constitute triangle structure, can effectively strengthen joint strength between the steel-pipe column, improve bearing capacity.
In this technical scheme, the second reinforced structure includes that the shearing force of multiunit cross arrangement props, and the equidistance setting is propped in the multiunit shearing force, can strengthen the joint strength between support frame and the steel-pipe column. Simultaneously, the upper end and the lower end of each group of shear braces are provided with horizontal braces, the connection strength can be further enhanced through the horizontal braces, the stability of the supporting frame structure is guaranteed, and the safety of the lifting device during lifting is improved.
In the technical scheme, the truss structure comprises a first supporting truss and a second supporting truss, a plurality of groups of Bailey frames which are arranged at equal intervals are arranged between the first supporting truss and the second supporting truss, the integral structural strength of the truss structure can be enhanced, and the bearing capacity is improved. The first supporting truss and the second supporting truss are arranged up and down, and the second supporting truss is located at the upper end of the first supporting truss. The road surface sets up in the upper end of second support truss, and the lower extreme fixedly connected with lifing beam of second support truss, and the both ends and the elevating gear of lifing beam are connected, reciprocate through the elevating gear lifing beam to drive the holistic reciprocating of truss structure.
Furthermore, the lifting device comprises a fixed platform at the top end of the support frame, a winch is mounted on the fixed platform and connected with the lifting beam through a steel wire rope, and the lifting beam is pulled to ascend and descend through the winch. Set up the guide way on the support frame, the both ends of lifting beam can reciprocate in the guide way to including the uniformity of rising with the decline direction, prevent that the deviation from appearing in the position.
The utility model has the beneficial effects that:
1. the steel pipe column group is arranged, each steel pipe column group is composed of four steel pipe columns arranged in a matrix, and adjacent steel pipe columns are connected through first reinforcing steel, second reinforcing steel and third reinforcing steel, so that the steel pipe column group has strong structural strength and bearing capacity.
2. Set up the support frame, set up elevating gear on the support frame, can go up and down to the truss structure to make things convenient for the navigation of ship, and simple structure need not a large amount of reinforced structure, reduces the building material, reduces construction cost.
3. The support frame is connected with the steel pipe column through the cross-arranged shear support and the horizontal supports arranged on the upper side and the lower side of the shear support, so that the structural strength of the support frame can be guaranteed, and the safety of the lifting device on the support frame during lifting is guaranteed.
Drawings
FIG. 1 is a schematic view of a steel tubular column assembly and truss structure of the present invention;
FIG. 2 is a schematic view of the lifting device of the present invention in lifting a truss structure;
wherein the reference numerals are: 1. steel pipe columns; 11. a first reinforcing steel; 12. a second reinforcing steel; 13. a third reinforcing steel; 14. a first hoop; 15. a second hoop; 16. a spandrel girder; 2. a truss structure; 21. a first support truss; 22. a second support truss; 23. a bailey frame; 24. a pavement; 25. a lifting beam; 3. a support frame; 31. a fixed platform; 32. a winch; 321. a wire rope; 33. a guide groove; 4. a scissor support; 41. and (7) horizontally supporting.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description clearly and completely describes the technical solution in the embodiments of the present invention with reference to the accompanying drawings:
when a large-scale water structure is constructed, a steel trestle is constructed as a temporary construction channel for connecting a shore foundation and a water construction position, so that vehicles, construction equipment and personnel can come and go conveniently.
As shown in figure 1, a high-bearing assembled liftable steel trestle comprises two sets of steel pipe columns 1 which are oppositely arranged, wherein the two sets of steel pipe columns 1 are symmetrically arranged to form a navigation channel, each set of steel pipe columns 1 is formed by arranging four steel pipe columns 1 in a matrix manner, the adjacent steel pipe columns 1 are connected through a first reinforcing structure, the connection strength between the adjacent steel pipe columns 1 can be enhanced, the overall structural strength of the steel pipe columns 1 is enhanced, and the bearing capacity is improved. The bearing beams 16 are fixedly mounted on the two groups of steel pipe columns 1, the truss structures 2 are arranged on the bearing beams 16, and the road surfaces 24 are arranged on the truss structures 2. The both sides of 1 group of every group steel-pipe column are equipped with support frame 3, set up elevating gear on the support frame 3, and elevating gear connects truss structure 2, can promote truss structure 2 through elevating gear to open the navigation passageway, make things convenient for the ship to pass through, the ship passes through the back by elevating gear with truss structure 2 below to spandrel girder 16, make construction equipment and personnel can continue current. Support frame 3 is connected with steel-pipe column 1 through second reinforced structure, can strengthen support frame 3's installation intensity, guarantees elevating gear's the operation its bearing structure's of going stability.
The first reinforcing structure comprises first reinforcing steel 11, second reinforcing steel 12 and third reinforcing steel 13, two adjacent steel pipe columns 1 are connected to two ends of the first reinforcing steel 11 respectively, one end of the second reinforcing steel 12 is connected with the steel pipe column 1 on one side, the other end of the second reinforcing steel 12 is connected with the first reinforcing steel 11, the first end of the third reinforcing steel 13 is connected with the steel pipe column 1 on the other side, the other end of the third reinforcing steel 13 is connected with the first reinforcing steel 11, and the second reinforcing steel 12 and the third reinforcing steel 13 form a V-shaped structure. Be provided with first staple bolt 14 and second staple bolt 15 on the steel-pipe column 1, first staple bolt 14 sets up in the top of second staple bolt 15, the second staple bolt 15 of two adjacent steel-pipe columns 1 is connected at the both ends of first reinforcement steel 11, the first staple bolt 14 of one side steel-pipe column 1 is connected to 12 one ends of second reinforcement steel, first reinforcement steel 11 is connected to the other end, the first staple bolt 14 of opposite side steel-pipe column 1 is connected to 13 one ends of third reinforcement steel, first reinforcement steel 11 is connected to the other end, thereby make second reinforcement steel 12 and third reinforcement steel 13 constitute "V" font structure, make first reinforcement steel 11 and second reinforcement steel 12 constitute the triangle structure, first reinforcement steel 11 and third reinforcement steel 13 constitute the triangle structure, can effectively strengthen joint strength between the steel-pipe column 1, improve bearing capacity.
The second reinforcing structure comprises two groups of cross-arranged shear braces, the upper end and the lower end of each shear brace are respectively provided with a horizontal brace 41, and the connecting strength between the support frame 3 and the steel pipe column 1 can be enhanced. Simultaneously the upper and lower both ends utensil that every group shearing force propped is provided with the level and props 41, can further strengthen joint strength through the level props 41, guarantees the stability of support frame 3 structure, security when improving elevating gear and go up and down.
As shown in fig. 2, the truss structure 2 includes a first supporting truss 21 and a second supporting truss 22, and a plurality of groups of beret frames 23 are arranged between the first supporting truss 21 and the second supporting truss 22 at equal intervals, so that the overall structural strength of the truss structure 2 can be enhanced, and the bearing capacity can be improved. The first support truss 21 and the second support truss 22 are disposed up and down, and the second support truss 22 is located at the upper end of the first support truss 21. The pavement 24 is arranged at the upper end of the second supporting truss 22, the lower end of the second supporting truss 22 is fixedly connected with a lifting beam 25, two ends of the lifting beam 25 are connected with a lifting device, and the lifting beam 25 moves up and down through the lifting device, so that the whole truss structure 2 is driven to move up and down. The upper end of the support frame 3 is a fixed platform 31, a winch 32 is arranged on the fixed platform 31, the winch 32 is connected with the lifting beam 25 through a steel wire rope 321, and the lifting beam 25 is pulled to ascend and descend through the winch 32. The support frame 3 is provided with a guide groove 33, and two ends of the lifting beam 25 can move up and down in the guide groove 33, so that the consistency of the lifting direction and the descending direction is included, and the position deviation is prevented.
The above-mentioned embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained by those skilled in the art based on the above-mentioned embodiments should also belong to the protection scope of the present invention without any creative effort, so that: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (5)
1. The utility model provides a high assembled liftable steel trestle that bears which characterized in that includes:
the steel pipe column group comprises four steel pipe columns (1);
the bearing beam (16) is arranged on the steel pipe column (1) group;
the truss structure (2) is arranged on the bearing beam (16);
the support frames (3) are arranged on two sides of each group of steel pipe groups;
the lifting device is arranged on the support frame (3) and connected with the truss structure (2);
wherein the content of the first and second substances,
a first reinforcing structure is arranged between the adjacent steel pipe columns (1);
and a second reinforcing structure is arranged between the support frame (3) and the steel pipe column (1) group.
2. The high load bearing fabricated liftable steel trestle of claim 1, wherein the first reinforcement structure comprises:
the first reinforcing steel (11) is used for connecting two adjacent steel pipe columns (1);
one end of the second reinforcing steel (12) is connected with the steel pipe column (1) on one side, and the other end of the second reinforcing steel is connected with the first reinforcing steel (11);
one end of the third reinforcing steel (13) is connected with the steel pipe column (1) on the other side, and the other end of the third reinforcing steel is connected with the first reinforcing steel (11);
wherein the content of the first and second substances,
the second reinforcing steel (12) and the third reinforcing steel (13) form a V-shaped structure.
3. The high load bearing fabricated liftable steel trestle of claim 1, wherein the second reinforcement structure comprises:
the shear support (4) is connected with the support frame (3) and the steel pipe column group;
the horizontal support (41) is arranged at the upper end and the lower end of the shear support;
wherein the content of the first and second substances,
the number of the shear braces (4) is at least two.
4. A high load bearing fabricated liftable steel trestle according to claim 1, wherein the truss structure (2) comprises:
a first supporting truss (21);
a second support truss (22) disposed opposite to the first support truss (21);
the bailey frames (23) are provided with a plurality of groups and are arranged between the first supporting truss (21) and the second supporting truss (22);
wherein the content of the first and second substances,
the second supporting truss (22) is arranged at the upper end of the first supporting truss (21),
the upper end of the second supporting truss (22) is provided with a road surface (24).
5. The high-load-bearing fabricated liftable steel trestle of claim 4, wherein the lifting device comprises:
a lifting beam (25) arranged at the lower end of the second supporting truss (22);
the fixed platform (31) is arranged on the support frame (3);
a winch (32) arranged on the fixed platform (31);
the guide groove (33) is arranged on the support frame (3);
wherein the content of the first and second substances,
the winch (32) is connected with the lifting beam (25) through a steel wire rope (321),
the lifting beam (25) can move up and down in the guide groove (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121785583.5U CN215887882U (en) | 2021-08-02 | 2021-08-02 | High-bearing assembly type liftable steel trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121785583.5U CN215887882U (en) | 2021-08-02 | 2021-08-02 | High-bearing assembly type liftable steel trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215887882U true CN215887882U (en) | 2022-02-22 |
Family
ID=80501938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121785583.5U Active CN215887882U (en) | 2021-08-02 | 2021-08-02 | High-bearing assembly type liftable steel trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215887882U (en) |
-
2021
- 2021-08-02 CN CN202121785583.5U patent/CN215887882U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201106155Y (en) | Inclined guy cable auxiliary full cantaliver crane trussed steel beam device | |
| CN110468743B (en) | Movable hanging bracket for transformation of old bridge pier cap and construction method | |
| CN214362953U (en) | Single-column pier reinforcing structure for improving bridge anti-overturning capacity | |
| CN112267390A (en) | Single-column pier reinforcing structure for improving bridge anti-overturning capacity | |
| CN215887882U (en) | High-bearing assembly type liftable steel trestle | |
| CN209873572U (en) | Interim navigation lifting station of adjustable vertical lift height | |
| CN219218724U (en) | Main girder hanging and paving integrated machine for combined girder cable-stayed bridge | |
| CN215101546U (en) | Chinese ancient architecture pavilion maintenance and roof lifting device | |
| CN212426804U (en) | Hang basket moving system | |
| CN214573768U (en) | Self-climbing sliding formwork pouring system for second-stage concrete pouring of gate slot | |
| CN112127282B (en) | Main pier steel structure of super bridge | |
| CN212613456U (en) | Integrally cooperative stress platform end non-column steel structure stair | |
| CN112627045A (en) | Hang basket template scissors cat ladder | |
| CN110469126B (en) | Binding trolley for concrete reinforcing steel bars and binding construction method thereof | |
| CN209923780U (en) | Suspended support of segment prefabricated bent cap | |
| CN107700363B (en) | Bridge tower rack with lifting system and construction method | |
| CN213061657U (en) | Large-span cable-stayed steel trestle structure | |
| CN219490682U (en) | Basket hanging device for prestress construction of light T-pier cantilever cap beam | |
| CN111305539A (en) | Integrated system for hard protection and crane in core barrel of super high-rise building | |
| CN218970751U (en) | Large-span steel truss gallery deflection control temporary buttress device | |
| CN210104566U (en) | Convenient and stable lifting frame | |
| CN220950981U (en) | Hydraulic lifting structure for steel truss corridor | |
| CN212954042U (en) | Lattice formula cable saddle hoist and mount portal | |
| CN218667192U (en) | Bridge ramp supporting structure | |
| CN220413980U (en) | Push construction double-purpose prestressing force holds formula Bei Leigang landing stage down |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |