CN216445807U - Steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device - Google Patents
Steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device Download PDFInfo
- Publication number
- CN216445807U CN216445807U CN202123129555.0U CN202123129555U CN216445807U CN 216445807 U CN216445807 U CN 216445807U CN 202123129555 U CN202123129555 U CN 202123129555U CN 216445807 U CN216445807 U CN 216445807U
- Authority
- CN
- China
- Prior art keywords
- anchor beam
- steel pipe
- pipe arch
- tensioning
- cable
- 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 relates to a steel pipe arch hydraulic lifting horizontal cable lifting lug and a connecting anchor beam device, and belongs to the technical field of bridge building construction. The tensioning device comprises a steel pipe arch, a tensioning lifting lug, a first anchor beam, a second anchor beam, a horizontal tensioning cable, an anchorage device and a jack; the left side and the right side below the steel pipe arch are respectively provided with a tensioning lifting lug, and the tensioning lifting lugs are fixedly connected with the steel pipe arch through ear plates; the two tensioning lifting lugs are respectively and movably connected with a first anchor beam and a second anchor beam, a horizontal tensioning cable is arranged between the two tensioning lifting lugs, one end of the horizontal tensioning cable is fixed on the first anchor beam, the other end of the horizontal tensioning cable penetrates through the second anchor beam, and a jack movably connected with the horizontal tensioning cable is arranged on the second anchor beam. The device simple structure, simple to operate, convenient to detach, the tension that the overcoming that can be fine was encircleed at the promotion in-process steel pipe produces makes the steel pipe encircle can not take place to warp, provides technical guarantee for the installation of foling of steel pipe arch.
Description
Technical Field
The utility model belongs to the technical field of bridge building construction, and particularly relates to a steel pipe arch hydraulic lifting horizontal cable lifting lug and an anchor beam connecting device.
Background
The construction method of the main arch of the steel tube concrete arch bridge mainly comprises a cable hoisting construction method, a rotating construction method and a bracket construction method. The cable hoisting construction method is commonly used, but because the concrete load of the steel pipe arch outsourcing is large, the steel pipe arch line shape can be changed in the hoisting process, the angle of the anchor beam can be changed accordingly, and the middle horizontal cable can be stressed greatly. Therefore, how to ensure that the anchor beam can rotate along with the change of the angle and ensure that the steel pipe arch can not change in line shape becomes a key consideration problem for lifting and mounting the steel pipe arch.
The closest technology in the prior patent to the utility model is as follows: a lifting frame (application number: CN 201821338955.8) for hoisting a steel pipe arch comprises a top connecting mechanism, an upper support, a steel pipe pile base and anchoring I-shaped steel; wherein, the top connecting mechanism is connected with the top of the upper bracket; the bottom of the upper support is connected with the top of the steel pipe pile base; the anchoring I-steel is positioned at the bottom of the steel pipe pile base; one end of the anchoring I-steel extends into the rock stratum, and a grouting layer is arranged between the anchoring I-steel and the rock stratum; and a concrete layer is arranged between the anchoring I-steel and the steel pipe pile base and is positioned on the upper part of the grouting layer. However, the hoisting method is a scaffold construction method. In the cable hoisting construction method, the problem that the two ends are easy to warp and deform when the two ends are hoisted due to the large span and heavy tonnage of the steel pipe arch is not solved.
Disclosure of Invention
The utility model aims to: the steel pipe arch hydraulic lifting horizontal cable lifting lug and the connecting anchor beam device have the advantages of high safety, easiness in assembly and disassembly, light and firm structure, capability of saving construction cost and capability of preventing deformation of a steel pipe arch axis in the hoisting process.
The technical scheme of the utility model is as follows:
a steel pipe arch hydraulic lifting horizontal cable lifting lug and a device for connecting an anchor beam comprise a steel pipe arch, a tensioning lifting lug, a first anchor beam, a second anchor beam, a horizontal tensioning cable, an anchorage device and a jack; the method is characterized in that: the left side and the right side below the steel pipe arch are respectively provided with a tensioning lifting lug, and the tensioning lifting lugs are fixedly connected with the steel pipe arch through ear plates; two stretch-draw lug on respectively swing joint have first anchor beam and second anchor beam, two stretch-draw lug between be provided with the level and open the cable, the level open cable one end fix at first anchor beam, the level is opened the cable other end and is passed the second anchor beam, be provided with on the second anchor beam with horizontal stretch-draw cable swing joint's jack.
Furthermore, the first anchor beam and the second anchor beam are both provided with anchor plate backing plates.
Furthermore, the middle parts of the first anchor beam and the second anchor beam are provided with through holes which are convenient for the horizontal tension cables to pass through.
Furthermore, the tensioning lifting lug is provided with a pin hole, and the first anchor beam and the second anchor beam are also respectively provided with a pin hole corresponding to the first anchor beam and the second anchor beam; and lug plate stiffening rings are arranged outside the pin holes.
Furthermore, the tensioning lifting lug is hinged with the first anchor beam through a pin shaft; the tensioning lifting lug is hinged with the second anchor beam through a pin shaft; the pin shaft is in clearance connection with the pin holes of the first anchor beam and the second anchor beam.
Furthermore, one end of the horizontal tension cable penetrates through the first anchor beam and is fixed through an anchorage device.
Furthermore, the anchorage device is assembled with the bearing plate and the spiral rib before use.
Furthermore, the jack is fixedly connected to the second anchor beam, and the length of the horizontal tension cable is controlled by adjusting the jack.
Furthermore, the ear plate is provided with an ear plate stiffening ring, and the ear plate stiffening ring are fixedly connected to the steel pipe arch through a stiffening plate.
Furthermore, a plurality of groups of arch rib reinforcing plates are arranged at the joint of the steel pipe arch and the tensioning lifting lug.
The utility model has the beneficial effects that:
in the steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device,
1. the anchor beam is hinged to the tensioning lifting lug through a pin shaft, so that in the process of hoisting the steel pipe arch, when the angle of the horizontal cable changes, the anchor beam can rotate along with the change of the angle. The anchor beam is ensured to be in a free state, and smooth lifting and installation of the steel pipe arch are further ensured;
2. the jack controls the length and the tension degree of the horizontal tension cable, so that the tension generated by the steel pipe arch in the lifting process can be well overcome;
3. the front ends of the first anchor beam and the second anchor beam are provided with a plurality of lug plate stiffening rings, and the rear ends of the first anchor beam and the second anchor beam are provided with anchor disc backing plates, so that the bearing capacity can be well improved, and the hoisting safety of the steel pipe arch can be ensured;
4. the stiffening plate is a steel plate, and aims to increase the welding area, further increase the bearing capacity and prevent the welding position from falling off during hoisting; the structure is more stable, the welding quality of the welding parts needs to be guaranteed, and the structure safety is guaranteed;
5. the device can ensure that the steel pipe arch is uniformly stressed and the line type is not changed in the lifting and mounting process, thereby smoothly ensuring the closure of the steel pipe arch;
6. the device simple to operate, convenient to detach, the tension that the overcoming that can be fine is encircleed at the lift in-process steel pipe and is produced makes the steel pipe arch can not take place to warp, closes up the installation for the steel pipe arch and provides technical guarantee.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a connection structure of a tensioning lifting lug and an arch bridge in front view;
FIG. 3 is a schematic diagram of a side view structure of the connection of the tensioning lifting lug and the arch bridge;
FIG. 4 is a schematic front view of a first anchor beam;
FIG. 5 is a schematic top view of the first anchor beam;
FIG. 6 is a side view schematic of the first anchor beam;
FIG. 7 is a schematic front view of a second anchor beam;
FIG. 8 is a schematic top view of a second anchor beam;
FIG. 9 is a schematic view of the structure of the jack;
FIG. 10 is a schematic view of a pin structure;
FIG. 11 is a schematic view of a stiffener configuration;
FIG. 12 is a schematic view of an ear plate stiffener structure.
In the figure: 1. tensioning the lifting lug; 2. a first anchor beam; 3. horizontally stretching a pull rope; 4. a second anchor beam; 5. a jack; 6. an ear plate; 7. an ear plate stiffening ring; 8. a stiffening plate; 9. an arch rib reinforcing plate; 10. a steel pipe arch; 11. an anchorage device; 12. a pin shaft; 13. an anchor disc backing plate; 14. lifting the lifting lug; 15. a pin hole; 16. a through hole; 17. and (4) hoisting the cable.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in the attached drawings 1-12, the steel pipe arch 10 hydraulic lifting horizontal cable lifting lug and anchor beam connecting device comprises a steel pipe arch 10, a tensioning lifting lug 1, a first anchor beam 2, a second anchor beam 4, a horizontal tensioning cable 3, an anchor 11 and a jack 5; the left side and the right side below the steel pipe arch 10 are respectively provided with a tensioning lifting lug 1, and the tensioning lifting lugs 1 are fixedly connected with the steel pipe arch 10 through ear plates 6; the tensioning lifting lugs 1 are respectively and movably connected with a first anchor beam 2 and a second anchor beam 4, a horizontal tensioning cable 3 is arranged between the tensioning lifting lugs 1, one end of the horizontal tensioning cable 3 is fixed on the first anchor beam 2, the other end of the horizontal tensioning cable 3 penetrates through the second anchor beam 4, and a jack 5 movably connected with the horizontal tensioning cable 3 is arranged on the second anchor beam 4.
The tensioning lifting lug 1 is provided with a pin hole 15, and the first anchor beam 2 and the second anchor beam 4 are also provided with a pin hole 15 corresponding to the pin hole 15 of the tensioning lifting lug 1. An ear plate stiffening ring 7 is arranged outside the pin hole 15, a pin shaft 12 penetrates through the pin hole 15, and the tensioning lifting lug 1 is hinged with the first anchor beam 2 through the pin shaft 12; the tensioning lifting lug 1 is hinged with the second anchor beam 4 through a pin shaft 12; the pin shaft 12 is in clearance connection with the pin holes 15 of the first anchor beam 2 and the second anchor beam 4. The anchor beam is hinged on the tensioning lifting lug 1 through a pin shaft 12, so that the anchor beam can rotate along with the change of the angle when the angle of the horizontal cable changes in the hoisting process of the steel pipe arch 10. The anchor beam is ensured to be in a free state, and further the smooth lifting and installation of the steel pipe arch 10 are ensured.
The anchor beam is connected with the tensioning lifting lug 1 through a pin shaft 12, the pin shaft 12 leaves a surplus limited movable space, and meanwhile, stress can be released, so that the connector is prevented from being subjected to large acting force when the angle of the horizontal cable is changed due to the change of the line type of the steel pipe arch 10 in the lifting and mounting process of the steel pipe arch 10.
The front ends of the first anchor beam 2 and the second anchor beam 4 are provided with stiffening plates 8, and the rear ends of the first anchor beam 2 and the second anchor beam 4 are provided with anchor disc backing plates 13, so that the bearing capacity of the anchor beams can be well improved, and the hoisting safety of the steel pipe arch 10 is ensured.
The middle parts of the first anchor beam 2 and the second anchor beam 4 are provided with through holes 16 which are convenient for the horizontal tension cables 3 to pass through. One end of the horizontal tension cable 3 passes through the through hole 16 on the first anchor beam 2 and is fixed through the anchorage device 11. The anchorage device 11 is assembled with the bearing plate and the spiral rib before use. The jack 5 is fixed on the second anchor beam 4, the horizontal tension cable 3 is movably connected with the jack 5, and the length of the horizontal tension cable 3 is controlled by adjusting the jack 5. The jack 5 controls the length and the tension degree of the horizontal tension cable 3, and can well overcome the tension generated by the steel pipe arch 10 in the lifting process.
A plurality of groups of arch rib reinforcing plates 9 are arranged at the joint of the steel pipe arch 10 and the tensioning lifting lug 1. The ear plate 6 is provided with an ear plate stiffening ring 7, and the ear plate 6 and the ear plate stiffening ring 7 are fixedly connected on the steel pipe arch 10 through a stiffening plate 8.
The stiffening plates 8 and the arch rib reinforcing plates 9 are steel plates, and the purpose is to increase the welding area, further increase the bearing capacity and prevent the welding position from falling off during hoisting; the structure is more stable, the welding quality of the welding part needs to be guaranteed, and the structure safety is guaranteed.
The anchor beam of the device is hinged on the tensioning lifting lug 1 through a pin shaft 12, so that in the hoisting process of the steel pipe arch 10, when the angle of the horizontal cable changes, the anchor beam can rotate along with the change of the angle. The anchor beam is ensured to be in a free state, and further the smooth lifting and installation of the steel pipe arch 10 are ensured. In the lifting and mounting process, the steel pipe arch 10 can be stressed uniformly, the line shape cannot be changed, and the folding of the steel pipe arch 10 is ensured smoothly; the device is convenient to install and convenient to detach, can overcome the tension generated by the steel pipe arch 10 in the lifting process well, enables the steel pipe arch 10 not to deform, and provides technical support for the folding installation of the steel pipe arch 10. The main structure mainly adopts continuous fillet weld joint to connect firmly and is welded with a plurality of stiffening plates 8 to make the structure more stable, and the welding quality and the structure safety are ensured at the welding position.
The specific working process of the device in use is as follows:
the first step is as follows: assembling the tensioning lifting lug 1; the adopted tensioning lifting lugs 1 comprise a left tensioning lifting lug 1 and a right tensioning lifting lug 1, and the tensioning lifting lugs 1 are assembled on a flat field; the ear plate 6 and the ear plate stiffening ring 7 are assembled in place.
The second step is that: installing a tensioning lifting lug 1; the left tensioning lifting lug 1 and the right tensioning lifting lug 1 are fixed below the steel pipe arch 10 through the stiffening plates 8, the positions of the left arch springing and the right arch springing of the steel pipe arch 10, where the tensioning lifting lugs 1 are installed, are respectively provided with the annular stiffening plates 8, namely the arch rib stiffening plates 9, so that the tension stress points are reinforced, and the deformation of the steel pipe arch 10 during tensioning is prevented.
The third step: assembling a first anchor beam 2 and a second anchor beam 4, assembling an extrusion type anchorage device 11 or an embossing type anchorage device 11 at the steel strand fixed end of the first anchor beam 2 with a bearing plate and a spiral rib in advance, and installing a fixed jack 5 on the second anchor beam 4.
The fourth step: a horizontal tension cable 3 penetrates through the first anchor beam 2; the horizontal stay cable 3 is usually formed by steel strand bundles in a manual bundle penetrating mode, and the steel strand bundles are straightened one by one and bundled into bundles without disorder when being braided; fixing the bundle by an anchorage device 11 after the bundle penetration is finished; when the anchorage device 11 is installed, the anchor plates are aligned, the clamping pieces are tightened, and the clamping positions are uniform, but the clamping pieces are not required to be beaten too much when tightened, so that the clamping pieces are prevented from being knocked down.
The fifth step; the other end of the horizontal tensioning cable 3 passes through the second anchor beam 4, and the large-tonnage prestressed tendon should be subjected to trial tensioning with a professional before being subjected to formal tensioning. And (4) determining that the tensioning process is reasonable, the tensioning elongation value is normal, and batch tensioning can be carried out after no harmful cracks appear.
And a sixth step: attaching a stress-strain observation sheet to the steel pipe arch 10; and attaching a stress strain gauge to the highest position in the middle of the steel pipe arch 10, and observing the axial change of the steel pipe arch 10 during tensioning.
The above is the utility model's use, the following is the conventional follow-up process of lifting by crane:
the seventh step: mounting lifting lugs 14, lifting ropes 17 and lifting brackets; welding a left lifting lug 14 and a right lifting lug 14 on the steel pipe arch 10 at the positions corresponding to the left tensioning lug 1 and the right tensioning lug 1 respectively; fixing a lifting rope 17; and a left lifting bracket and a right lifting bracket are respectively arranged on the left arch springing and the right arch springing of the steel pipe arch 10.
Eighth step: and lifting the counter-pulling steel pipe arch 10, and observing strain gauge data to keep the vertical lifting force and the counter-pulling force to be basically equal when the steel pipe arch 10 is lifted so as to prevent the steel pipe arch 10 from being lifted and deformed.
At present, the technical scheme of the application has been subjected to pilot plant test, namely small-scale experiment before large-scale mass production of products; after the pilot test is finished, the investigation for the use of the user is carried out in a small range, and the investigation result shows that the satisfaction degree of the user is higher; the preparation of products for formal production for industrialization (including intellectual property risk early warning research) has been set forth.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (10)
1. A steel pipe arch hydraulic lifting horizontal cable lifting lug and a device for connecting an anchor beam comprise a steel pipe arch (10), a tensioning lifting lug (1), a first anchor beam (2), a second anchor beam (4), a horizontal tensioning cable (3), an anchor (11) and a jack (5); the method is characterized in that: the left side and the right side below the steel pipe arch (10) are respectively provided with a tensioning lifting lug (1), and the tensioning lifting lugs (1) are fixedly connected with the steel pipe arch (10) through lug plates (6); two stretch-draw lug (1) on respectively swing joint have first anchor beam (2) and second anchor beam (4), two stretch-draw lug (1) between be provided with the level and open cable (3), the level open cable (3) one end and fix at first anchor beam (2), the level is opened cable (3) other end and is passed second anchor beam (4), be provided with on second anchor beam (4) with the level open cable (3) swing joint's jack (5).
2. The steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device according to claim 1, wherein: and through holes (16) which are convenient for the horizontal tension cables (3) to pass through are formed in the middle parts of the first anchor beam (2) and the second anchor beam (4).
3. The steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device according to claim 2, wherein: and the first anchor beam (2) and the second anchor beam (4) are both provided with anchor disc base plates (13).
4. The steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device according to claim 1, wherein: stretch-draw lug (1) on be provided with pinhole (15), first anchor beam (2) and second anchor beam (4) also be provided with pinhole (15) that correspond with it respectively, pinhole (15) all be provided with otic placode stiffening ring (7) outward.
5. The steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device according to claim 4, wherein: the tensioning lifting lug (1) is hinged with the first anchor beam (2) through a pin shaft (12); the tensioning lifting lug (1) is hinged with the second anchor beam (4) through a pin shaft (12); the pin shaft (12) is in clearance connection with the pin holes (15) of the first anchor beam (2) and the second anchor beam (4).
6. The steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device according to claim 1, wherein: one end of the horizontal tension cable (3) penetrates through the first anchor beam (2) and is fixed through an anchorage device (11).
7. The steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device according to claim 6, wherein: the anchorage device (11) is assembled with the bearing plate and the spiral rib before use.
8. The steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device according to claim 1, wherein: the jack (5) is fixedly connected to the second anchor beam (4), and the length of the horizontal tension cable (3) is controlled by adjusting the jack (5).
9. The steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device according to claim 1, wherein: the ear plate (6) is provided with an ear plate stiffening ring (7), and the ear plate (6) and the ear plate stiffening ring (7) are fixedly connected on the steel pipe arch (10) through a stiffening plate (8).
10. The steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device according to claim 1, wherein: and a plurality of groups of arch rib reinforcing plates (9) are arranged at the joint of the steel pipe arch (10) and the tensioning lifting lug (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123129555.0U CN216445807U (en) | 2021-12-13 | 2021-12-13 | Steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123129555.0U CN216445807U (en) | 2021-12-13 | 2021-12-13 | Steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216445807U true CN216445807U (en) | 2022-05-06 |
Family
ID=81375216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123129555.0U Active CN216445807U (en) | 2021-12-13 | 2021-12-13 | Steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216445807U (en) |
-
2021
- 2021-12-13 CN CN202123129555.0U patent/CN216445807U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103321416B (en) | Construction method for prestress of cable-stayed grid structure | |
| CN109487709B (en) | One-side riding type temporary rope self-balancing pushing type suspension bridge sling replacement underpinning device | |
| CN109750791B (en) | Assembled large cantilever steel structure | |
| CN110042767B (en) | Cable buckling and anchoring method of cable hoisting system | |
| CN101705660B (en) | Reaction frame prestress anchoring system and method for vertical rotating steel pipe arch on concrete bridge | |
| CN111807232A (en) | Cable crane system and hoisting method | |
| CN104047233B (en) | Method for construction of continuous beam linear segment without floor stand | |
| CN102425261A (en) | Large-span multiunit tensile membrane structure and installation construction method thereof | |
| CN105888227B (en) | Superelevation is tubaeform steel structure exterior finish operation platform and its building method | |
| CN216445807U (en) | Steel pipe arch hydraulic lifting horizontal cable lifting lug and connecting anchor beam device | |
| CN102877657A (en) | Large-span H-shaped plane composite structure beam string upper-air cable replacement construction method | |
| CN212641470U (en) | Prestressed fish-bellied beam steel strand construction guiding device | |
| CN211200399U (en) | Anti-falling structure of steel support and steel purlin | |
| CN209082344U (en) | A kind of cable-stayed type large-span steel roof beam structure | |
| CN211498489U (en) | Mountain area highway bridge bent cap prestressed steel strand stretch-draw construction operation rack | |
| CN219653525U (en) | Compression bar for horizontal splicing, pulling up and vertical rotation of single-column internal tilting steel tower of steel box girder cable-stayed bridge | |
| CN210368674U (en) | Bridge cantilever pouring construction device based on inclined pull buckle hanging | |
| CN101200876A (en) | Erection of second hole large-span steel girder by rear anchorage cable method | |
| CN207210932U (en) | Prefabricated bridge space concrete filled steel tube truss combination beamss attachment means | |
| CN205857661U (en) | Superelevation is tubaeform steel structure exterior finish operation platform and build and use equalizer bar | |
| CN115506604B (en) | Method for installing first truss of large-span steel structure | |
| CN218757430U (en) | Construction structure of overlength major diameter pile foundation steel reinforcement cage | |
| CN214245411U (en) | Large-span cable-stayed cantilever cable hoisting system | |
| CN217579809U (en) | Continuous beam assembled bracket | |
| CN220267260U (en) | Detachable tensioning device for adjusting elevation of cantilever steel beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |