CN111172882A - Beam section transportation method for assembling bridge girder cantilever - Google Patents
Beam section transportation method for assembling bridge girder cantilever Download PDFInfo
- Publication number
- CN111172882A CN111172882A CN202010033911.XA CN202010033911A CN111172882A CN 111172882 A CN111172882 A CN 111172882A CN 202010033911 A CN202010033911 A CN 202010033911A CN 111172882 A CN111172882 A CN 111172882A
- Authority
- CN
- China
- Prior art keywords
- sling
- beam section
- girder
- section
- lifting
- 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.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a method for transporting a beam section assembled by cantilever beams of a bridge girder, which can lift the beam section to be installed at a fixed lifting point such as a position close to a pier by a beam transporting vehicle connected below the installed beam section, can directly utilize a construction pavement or a cofferdam platform of the pier, reduce extra engineering quantity, reduce construction measure cost and is not influenced by the arrangement of a bridge floor, when the beam section to be installed is transported to a preset position, a second lifting part of a girder erection machine is anchored on the beam section to be installed, and after the beam section to be installed is moved to a design position, the first lifting part is loosened, the beam erection machine lifts the beam section to the preset position and then carries out next installation, the method is convenient in construction operation, high in mechanization level, safe and reliable, high in construction efficiency, effectively avoids a large amount of additional engineering cost, and is widely suitable for the lifting and transporting of a cable-stayed bridge or a continuous rigid frame bridge limited by terrain, and the construction speed and the construction quality are ensured.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a beam section transportation method for assembling a cantilever of a main beam of a bridge.
Background
With the improvement of the technical level of bridge construction in China, the construction of a large-span bridge (the span is more than or equal to 100 m) spanning the mountains, rivers, lakes and seas is not a difficult problem for a long time, the construction by adopting a cantilever splicing method is an economical, reliable and convenient choice for the bridge, but the transportation of prefabricated sections is greatly limited by construction site conditions.
There are two methods for conventional segment hoisting: the construction method has the advantages that firstly, the vertical hoisting method is adopted, beam sections needing to be assembled are transported to the positions below hoisting points through ships or vehicles and are vertically hoisted through floating cranes, tower cranes or beam erecting cranes, the construction method has high requirements on the transportation conditions of bridge site positions, hoisting points need to be located below beam end projections, and the construction method is difficult to be applied to operation environments with poor transportation conditions such as land side spans or mountain deep valleys, busy water channels, side-facing steep slopes and the like; the other is a multi-crane cantilever assembling method, a plurality of full-rotation beam erecting cranes are required to be installed at a bridge tower and on a beam, a beam section is hoisted by the crane at the bridge tower, then the beam section is transported to a beam end by a vehicle on the beam, and the beam section is assembled by the beam erecting crane at the beam end.
Disclosure of Invention
The invention aims to overcome the defects of high requirement on operating environment conditions, complex construction procedures, high construction cost and the like of a beam section hoisting method in the prior art, and provides a beam section transportation method for assembling a main beam of a bridge by using a cantilever.
In order to achieve the purpose, the invention provides the following technical scheme:
a beam section transportation method for assembling main beams of a bridge through cantilevers comprises a transportation device, wherein the transportation device comprises a beam transporting vehicle connected below an installed beam section and a beam erecting machine connected above the installed beam section, the beam transporting vehicle comprises a first walking part and a first lifting part, and the beam erecting machine comprises a second walking part and a second lifting part;
comprises the following steps:
a. installing the beam erecting machine on the installed beam section, and hoisting the beam transporting vehicle to a preset position through the beam erecting machine;
b. transporting the beam section to be installed to a lifting point of the beam transporting vehicle;
c. connecting the first lifting part to the beam section to be installed, and transporting the beam section to be installed to a preset position by the first lifting part and the first walking part by the beam transporting vehicle:
d. the girder erection machine moves to a preset position, the second lifting part is connected to the girder segment to be installed, the girder segment to be installed is transported to a lifting point of the girder erection machine, and the connection between the first lifting part and the girder segment to be installed is disconnected;
e. and the girder erection machine lifts the girder section to be installed to a designed elevation through the second lifting part to finish the transportation of the girder section.
The girder section transportation method for assembling the cantilever of the main girder of the bridge is adopted, the girder section to be installed can be lifted at a fixed lifting point such as a position close to a pier and the like by the girder transporting vehicle connected below the installed girder section, the construction sidewalk or the cofferdam platform of the pier can be directly utilized, the extra engineering quantity is reduced, the construction measure cost is reduced, and the construction safety is ensured, the girder transporting vehicle is connected below the girder and is not influenced by the arrangement of the bridge floor, the structure is simple, the movement is convenient, when the girder section to be installed is transported to a preset position, the lifting part II of the girder erection machine is anchored on the girder section to be installed, and after the girder section is moved to the design position, the lifting part I is released, the girder transporting vehicle can carry out the lifting preparation of the next girder section to be installed, the girder section to be installed is lifted to the preset position by the girder erection machine so as to be connected with the installed girder section, construction convenient operation, the level of mechanization is high, safe and reliable, the efficiency of construction is high, effectively avoids a large amount of additional engineering expenses, and the girder segment need not to transport to the position below assembling through ground or surface of water, extensively is applicable to the hoist and mount transportation of cable-stay bridge or continuous rigid frame bridge that receives the restriction of topography ground thing, effectively reduction in production cost, guarantees construction speed and construction quality.
Preferably, the first lifting means comprises a main sling and a stabilising sling.
The beam section hoisting device is used for hoisting and stabilizing the beam section respectively, and the safety of the beam section in the translation and hoisting process is guaranteed.
Further preferably, the step c comprises the following steps:
c1, respectively connecting the main sling and the stabilizing sling to the beam section to be installed;
c2, lifting the beam section to be installed to a preset running elevation;
c3, moving the beam section to be installed along the installed beam section through the first walking part to transport the beam section to a preset position.
Further preferably, the top surface of the beam section to be installed is provided with a first anchoring pedestal, a second anchoring pedestal, a first steering hinge and a second steering hinge, the first anchoring pedestal is located in front of the second anchoring pedestal, the first steering hinge is located in front of the second steering hinge, and in the step c1, the main sling is connected to the first anchoring pedestal.
Preferably, the second lifting part comprises a first sling and a second sling, the first sling is positioned in front of the second sling, and the distance between the first steering hinge and the second steering hinge is matched with the distance between the first sling and the second sling.
Further preferably, the step d comprises the following steps:
d1, the girder erection machine moves through the second walking part and is fixed at a preset position;
d2, connecting the first sling to the first steering hinge of the beam section to be installed;
d3, loosening the main sling and the stabilizing sling to enable the beam section to be installed to gradually swing forwards through the first sling;
d4, when the second steering hinge on the beam section to be installed moves to the outside of the projection plane of the installed beam section, connecting the second sling to the second steering hinge;
d5, continuously loosening the main sling and the stabilizing sling to make the beam section to be installed swing to the lifting point of the girder erection machine;
d6, respectively disconnecting the main sling and the beam section to be installed and the stabilizing sling and the beam section to be installed.
Further preferably, the main sling, the stabilizing sling, the first sling and the second sling all comprise two slings, and the first steering hinge and the second steering hinge all comprise two hinges.
Further preferably, the first steering hinge is connected to the first anchoring base, and the second steering hinge is connected to the second anchoring base.
Preferably, the installed beam section is a No. 0 block.
The No. 0 block is a unit poured firstly during cantilever construction, and is generally a section right above a pier, namely the beam section transportation method is adopted after the No. 0 block.
Preferably, the beam transporting vehicle is a beam-holding self-propelled beam transporting trolley, the first walking part comprises a walking wheel and a driving system thereof, the beam erecting machine is a bridge deck beam erecting crane, and the second walking part comprises a sliding rail and a driving system thereof.
Preferably, the bridge adopts a steel box girder, a concrete box girder or a steel-concrete combined box girder as a main girder.
In summary, compared with the prior art, the invention has the beneficial effects that:
1. by adopting the beam section transportation method assembled by the cantilever of the main beam of the bridge, through the beam transportation vehicle connected below the installed beam section, the beam section to be installed can be lifted at a fixed lifting point such as a position close to a pier, the construction access or cofferdam platform of the pier can be directly utilized, the extra engineering quantity is reduced, the construction measure cost is reduced, the influence of the arrangement of a bridge deck is avoided, the structure is simple, the movement is convenient, then the beam erecting machine lifts the beam section to be installed to a preset position, so as to be connected with the installed beam section, construction convenient operation, mechanized level is high, safe and reliable effectively avoids a large amount of additional engineering expenses, and the girder section need not to be transported to the position below of assembling through ground or surface of water, extensively is applicable to the hoist and mount transportation of cable-stay bridge or continuous rigid frame bridge that receives the restriction of topography ground thing, effectively reduces manufacturing cost, guarantees construction speed and construction quality.
Description of the drawings:
FIG. 1 is a schematic view of the structure of a transportation apparatus in embodiment 1;
FIG. 2 is a first diagram illustrating a third step in example 1;
FIG. 3 is a diagram II illustrating a third step in example 1;
FIG. 4 is a first diagram illustrating a fourth step in example 1;
FIG. 5 is a diagram II illustrating a fourth step in example 1;
fig. 6 is a schematic diagram of step five in example 1.
The labels in the figure are: 1-installed beam section, 2-beam carrying vehicle, 21-walking part I, 3-beam erecting machine, 31-walking part II, 4-beam section to be installed, 41-first anchoring pedestal, 42-second anchoring pedestal, 43-first steering hinge, 44-second steering hinge, 51-main sling, 52-stabilizing sling, 61-first sling, 62-second sling.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments. It should be understood that the scope of the above-described subject matter is not limited to the following examples, and any techniques implemented based on the disclosure of the present invention are within the scope of the present invention.
Example 1
The invention relates to a beam section transportation method for assembling main beams of bridges and cantilevers, which comprises a transportation device, wherein the transportation device comprises a beam transporting vehicle 2 connected below an installed beam section 1 and a beam erecting machine 3 connected above the installed beam section 1, the beam transporting vehicle 2 comprises a first walking part 21 and a first lifting part, and the beam erecting machine 3 comprises a second walking part 31 and a second lifting part;
comprises the following steps:
step one, installing the beam erecting machine 3 on the installed beam section 1, and hoisting the beam transporting vehicle 2 to a preset position through the beam erecting machine 3;
secondly, transporting the beam section 4 to be installed to a lifting point of the beam transporting vehicle 2;
step three, connecting the lifting component I to the beam section 4 to be installed, and transporting the beam section 4 to be installed to a preset position by the beam transport vehicle 2 through the lifting component I and the walking component I21:
fourthly, the girder erection machine 3 moves to a preset position, the lifting component II is connected to the girder section 4 to be installed, the girder section 4 to be installed is transported to a lifting point of the girder erection machine 3, and the connection between the lifting component I and the girder section 4 to be installed is disconnected;
and fifthly, the girder erection machine 3 lifts the girder section 4 to be installed to a designed elevation through the second lifting part, and the transportation of the girder section is completed.
The beam transporting vehicle 2 connected below the installed beam section 1 can lift the beam section to be installed at a fixed lifting point such as a position close to a pier, can directly utilize a construction access way or a cofferdam platform of the pier, reduces extra engineering quantity, reduces construction measure cost and ensures construction safety, the beam transporting vehicle 2 is connected below the beam and is not influenced by the arrangement of a bridge floor, the structure is simple, the movement is convenient, when the beam section to be installed is transported to a preset position, the second lifting part of the beam erecting machine is anchored on the beam section to be installed, after the beam transporting vehicle is moved to the designed position, the lifting component I is released, the beam transporting vehicle 2 can carry out the preparation of lifting the next beam section to be installed, the beam erecting machine lifts the beam section to be installed to the preset position, so as to be connected with the installed beam section, and is widely applied to the bridge construction of highways, railways or combined construction of highways and railways.
Specifically, as shown in fig. 1, in this embodiment, a cable-stayed bridge is taken as an example, the bridge is a main beam with a box-shaped cross section such as a steel box beam, a concrete box beam or a steel-concrete combined box beam, the box beam can be a single chamber, a double chamber or a multi-chamber, the transportation device includes a beam-holding self-propelled beam transportation trolley suspended at the bottom of the beam, and a bridge deck beam crane provided on the bridge deck, the beam-holding self-propelled beam transportation trolley includes a traveling wheel and a driving system thereof, a main sling 51 and a stable sling 52, the bridge deck beam crane includes a slide rail and a driving system thereof, a first sling 61 and a second sling 62, the main sling 51, the stable sling 52, the first sling 61 and the second sling 62 all include two slings, the first sling 61 is located in front of the second sling 62, and the front-back positional relationship refers to the beam transportation direction of the beam transporter 2.
Firstly, the beam erecting machine 3 is installed on the installed beam section 1, the beam transporting vehicle 2 is hoisted to a preset position through the beam erecting machine 3, the installed beam section 1 can start from any beam section and also can start from a No. 0 block of a bridge, namely after the No. 0 block is constructed, the bridge deck beam erecting crane is assembled on the bridge deck, then the beam-embracing self-propelled beam transporting vehicle is assembled through the bridge deck beam erecting crane, and test hoisting is carried out.
And then transporting the beam section 4 to be installed to the lifting point of the beam transporting vehicle 2, and installing a first anchoring base 41, a second anchoring base 42, a first steering hinge 43 and a second steering hinge 44 on the top surface of the beam section 4 to be installed, wherein the first anchoring base 41 is positioned in front of the second anchoring base 42, and the first steering hinge 43 is positioned in front of the second steering hinge 44. Wherein the first steering hinge 43 and the second steering hinge 44 each comprise two hinges, the first steering hinge 43 is connected to the first anchoring base 41, the second steering hinge 44 is connected to the second anchoring base 42, and the distance between the first steering hinge 43 and the second steering hinge 44 is adapted to the distance between the first sling 61 and the second sling 62.
Then, the main suspension cable 51 and the stabilizing suspension cable 52 are connected to the beam segment 4 to be installed, respectively, wherein the main suspension cable 51 is connected to the first anchoring base 41, the stabilizing suspension cable 52 is provided behind both sides of the main suspension cable 51 and anchored to the beam segment 4 to be installed, and of course, the main suspension cable 51 may be connected to the second anchoring base 42, and the stabilizing suspension cable 52 may be anchored in front of both sides of the main suspension cable 51, so as to horizontally transport the beam segment 4 to be installed. And then starting the lifting part of the beam-holding self-propelled beam-transporting trolley to perform short-stroke trial lifting safety, and lifting the beam section 4 to be installed to a preset walking elevation, as shown in fig. 2. After the beam section 4 to be installed is lifted to a walking elevation, the walking wheels are started, and the beam transporting vehicle 2 drives the beam section 4 to be installed to move to a preset position, which is shown in fig. 3.
Then the girder erection machine 3 moves through the slide rail and is fixed at a preset position, the first sling 61 is firstly put down, the first sling 61 is connected to the first steering hinge 43 of the girder segment to be installed 4, the main sling 51 and the stabilizing sling 52 are loosened, so that the girder segment to be installed 4 gradually swings forwards through the first sling 61, and the swinging speed and amplitude of the girder segment to be installed are controlled by the stabilizing sling 52 in the process, as shown in fig. 4. When the second steering hinge 44 on the beam section 4 to be installed is moved out of the plane of projection of the installed beam section 1, the second sling 62 is connected to the second steering hinge 44, as shown in fig. 5. And then continuously loosening the main sling 51 and the stabilizing sling 52 to enable the beam section 4 to be installed to swing to the lifting point of the girder erection machine 3, and after the beam section 4 to be installed is stabilized, disconnecting the main sling 51 from the beam section 4 to be installed and disconnecting the stabilizing sling 52 from the beam section 4 to be installed.
Finally, as shown in fig. 6, embrace roof beam self-propelled fortune roof beam dolly and withdraw from operating position, prepare before lifting by crane of next beam section, girder erection machine 3 passes through it will to promote to the design elevation to wait to install beam section 4, accomplishes the beam section transportation, so that with install beam section 1 and connect, repeat above step, hoist and mount and fold up to accomplishing the full-bridge, can accomplish the hoist and mount construction like cable-stay bridge, continuous steel structure bridge.
The method has the advantages of convenient construction operation, high mechanization level, safety, reliability and high construction efficiency, effectively avoids a large amount of additional engineering cost, and the girder sections of the main girders are not required to be transported to the lower part of the splicing position through the ground or the water surface, thereby being widely suitable for the hoisting and transportation of the cable-stayed bridge or the continuous rigid frame bridge limited by terrain and ground objects, effectively reducing the production cost and ensuring the construction speed and the construction quality.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The method for transporting the beam sections assembled by the cantilevers of the main beams of the bridge is characterized by comprising a transporting device, wherein the transporting device comprises a beam transporting vehicle (2) connected below an installed beam section (1) and a beam erecting machine (3) connected above the installed beam section (1), the beam transporting vehicle (2) comprises a first walking part (21) and a first lifting part, and the beam erecting machine (3) comprises a second walking part (31) and a second lifting part;
comprises the following steps:
a. installing the girder erection machine (3) on the installed beam section (1), and hoisting the girder transporting vehicle (2) to a preset position through the girder erection machine (3);
b. transporting the beam section (4) to be installed to a lifting point of the beam transporting vehicle (2);
c. connecting the lifting component I to the beam section (4) to be installed, and transporting the beam section (4) to be installed to a preset position by the beam transport vehicle (2) through the lifting component I and the walking component I (21):
d. the girder erection machine (3) moves to a preset position, the second lifting part is connected to the girder section (4) to be installed, the girder section (4) to be installed is transported to a lifting point of the girder erection machine (3), and the connection between the first lifting part and the girder section (4) to be installed is disconnected;
e. and the beam erecting machine (3) lifts the beam section (4) to be installed to a designed elevation through the second lifting part, and the beam section transportation is completed.
2. A method of transportation according to claim 1, wherein the lifting means comprises a main sling (51) and a stabilising sling (52).
3. The transportation method according to claim 2, wherein the step c comprises the steps of:
c1, connecting the main sling (51) and the stabilizing sling (52) to the beam section (4) to be installed respectively;
c2, lifting the beam section (4) to be installed to a preset running elevation;
c3, moving the first walking part (21) along the installed beam section (1) to drive the beam section (4) to be installed to be transported to a preset position.
4. A method of transportation according to claim 3, characterized in that the top surface of the beam section (4) to be mounted is provided with a first anchoring seat (41), a second anchoring seat (42), a first steering hinge (43) and a second steering hinge (44), the first anchoring seat (41) being located in front of the second anchoring seat (42), the first steering hinge (43) being located in front of the second steering hinge (44), the main sling (51) being connected to the first anchoring seat (41) in step c 1.
5. Method of transportation according to claim 4, characterized in that the second lifting part comprises a first sling (61) and a second sling (62), the first sling (61) being located in front of the second sling (62), the spacing of the first and second steering hinges (43, 44) being adapted to the spacing of the first and second slings (61, 62).
6. The transportation method according to claim 5, wherein the step d comprises the steps of:
d1, the girder erection machine (3) moves and is fixed at a preset position through the second walking part (31);
d2, a first steering hinge (43) connecting the first sling (61) to the beam section (4) to be mounted;
d3, loosening the main sling (51) and the stabilizing sling (52) to ensure that the beam section (4) to be installed gradually swings forwards through the first sling (61);
d4, connecting the second sling (62) to the second steering hinge (44) after the second steering hinge (44) on the beam section (4) to be installed is moved out of the plane of projection of the installed beam section (1);
d5, continuously loosening the main sling (51) and the stabilizing sling (52) to make the beam section (4) to be installed swing to the lifting point of the girder erection machine (3);
d6, respectively disconnecting the main sling (51) from the beam section (4) to be installed and the stabilising sling (52) from the beam section (4) to be installed.
7. Method of transportation according to claim 6, characterized in that the main sling (51), the stabilizing sling (52), the first sling (61), the second sling (62) each comprise two slings, the first knuckle joint (43) and the second knuckle joint (44) each comprise two joints, the first knuckle joint (43) being connected to the first anchoring block (41) and the second knuckle joint (44) being connected to the second anchoring block (42).
8. Method of transportation according to any of claims 1-7, characterized in that the installed beam section (1) is a No. 0 block.
9. The transportation method according to any one of claims 1 to 7, wherein the girder transport vehicle (2) is a girder-embracing self-propelled girder transport vehicle, the first traveling member (21) comprises traveling wheels and a driving system thereof, the girder erection machine (3) is a bridge deck girder erection crane, and the second traveling member (31) comprises sliding rails and a driving system thereof.
10. The transportation method according to any one of claims 1 to 7, wherein the main beam of the bridge is a steel box beam, a concrete box beam or a steel-concrete combined box beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010033911.XA CN111172882A (en) | 2020-01-13 | 2020-01-13 | Beam section transportation method for assembling bridge girder cantilever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010033911.XA CN111172882A (en) | 2020-01-13 | 2020-01-13 | Beam section transportation method for assembling bridge girder cantilever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111172882A true CN111172882A (en) | 2020-05-19 |
Family
ID=70646670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010033911.XA Pending CN111172882A (en) | 2020-01-13 | 2020-01-13 | Beam section transportation method for assembling bridge girder cantilever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111172882A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593492A (en) * | 2020-12-11 | 2021-04-02 | 保利长大工程有限公司 | Method for transporting bridge deck beam slab |
| CN113235460A (en) * | 2021-06-23 | 2021-08-10 | 张志新 | Prefabricated segment swinging method for bridge cantilever assembly |
| CN114232488A (en) * | 2021-12-15 | 2022-03-25 | 中交路桥建设有限公司 | Method for erecting main beam of large-span cable-stayed bridge |
| CN114232487A (en) * | 2021-12-15 | 2022-03-25 | 中交路桥建设有限公司 | Construction system for erecting main beam of large-span cable-stayed bridge |
| CN114622495A (en) * | 2022-03-15 | 2022-06-14 | 甘肃建投隧道工程有限公司 | Horizontal type assembling structure for highway bridge construction and using method thereof |
| CN114855632A (en) * | 2022-05-31 | 2022-08-05 | 中交路桥建设有限公司 | Steel-concrete composite beam cable-stayed bridge construction system and steel-concrete composite beam construction method |
| CN114934450A (en) * | 2021-11-02 | 2022-08-23 | 青岛理工大学 | Lightweight self-balancing assembling device and process for steel box girder cantilever construction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08311817A (en) * | 1995-05-18 | 1996-11-26 | Mitsubishi Heavy Ind Ltd | Bridge erection device |
| CN1162669A (en) * | 1996-02-16 | 1997-10-22 | 川田工业株式会社 | Method for erecting truss of bridge |
| CN104762882A (en) * | 2015-04-16 | 2015-07-08 | 天津城建大学 | Bridge segment lifting device and method |
| CN105200923A (en) * | 2015-09-08 | 2015-12-30 | 贵州省公路工程集团有限公司 | Hoisting device for steel truss sections of steel truss cable-stayed bridge and hoisting method of hoisting device |
| CN206173818U (en) * | 2016-11-17 | 2017-05-17 | 中交路桥华东工程有限公司 | Bridge deck crane that hoist and mount range can change |
| CN108301331A (en) * | 2018-04-02 | 2018-07-20 | 山东省路桥集团有限公司 | Steel box-girder installation erection crane and steel box girder cantilever assembling and construction method |
| CN109137759A (en) * | 2018-09-29 | 2019-01-04 | 中铁第四勘察设计院集团有限公司 | A kind of prestressed concrete box girder precast segment cantilever assembling method and system |
-
2020
- 2020-01-13 CN CN202010033911.XA patent/CN111172882A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08311817A (en) * | 1995-05-18 | 1996-11-26 | Mitsubishi Heavy Ind Ltd | Bridge erection device |
| CN1162669A (en) * | 1996-02-16 | 1997-10-22 | 川田工业株式会社 | Method for erecting truss of bridge |
| CN104762882A (en) * | 2015-04-16 | 2015-07-08 | 天津城建大学 | Bridge segment lifting device and method |
| CN105200923A (en) * | 2015-09-08 | 2015-12-30 | 贵州省公路工程集团有限公司 | Hoisting device for steel truss sections of steel truss cable-stayed bridge and hoisting method of hoisting device |
| CN206173818U (en) * | 2016-11-17 | 2017-05-17 | 中交路桥华东工程有限公司 | Bridge deck crane that hoist and mount range can change |
| CN108301331A (en) * | 2018-04-02 | 2018-07-20 | 山东省路桥集团有限公司 | Steel box-girder installation erection crane and steel box girder cantilever assembling and construction method |
| CN109137759A (en) * | 2018-09-29 | 2019-01-04 | 中铁第四勘察设计院集团有限公司 | A kind of prestressed concrete box girder precast segment cantilever assembling method and system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593492A (en) * | 2020-12-11 | 2021-04-02 | 保利长大工程有限公司 | Method for transporting bridge deck beam slab |
| CN112593492B (en) * | 2020-12-11 | 2021-08-17 | 保利长大工程有限公司 | Method for transporting bridge deck beam slab |
| CN113235460A (en) * | 2021-06-23 | 2021-08-10 | 张志新 | Prefabricated segment swinging method for bridge cantilever assembly |
| CN113235460B (en) * | 2021-06-23 | 2022-08-05 | 张志新 | Prefabricated segment swinging method for bridge cantilever assembly |
| CN114934450A (en) * | 2021-11-02 | 2022-08-23 | 青岛理工大学 | Lightweight self-balancing assembling device and process for steel box girder cantilever construction |
| CN114934450B (en) * | 2021-11-02 | 2024-04-26 | 青岛理工大学 | Lightweight self-balancing assembly device and process for steel box girder cantilever construction |
| CN114232488A (en) * | 2021-12-15 | 2022-03-25 | 中交路桥建设有限公司 | Method for erecting main beam of large-span cable-stayed bridge |
| CN114232487A (en) * | 2021-12-15 | 2022-03-25 | 中交路桥建设有限公司 | Construction system for erecting main beam of large-span cable-stayed bridge |
| CN114232488B (en) * | 2021-12-15 | 2023-11-28 | 中交路桥建设有限公司 | Method for erecting main girder of large-span cable-stayed bridge |
| CN114232487B (en) * | 2021-12-15 | 2024-04-19 | 中交路桥建设有限公司 | Construction system for erecting main girder of large-span cable-stayed bridge |
| CN114622495A (en) * | 2022-03-15 | 2022-06-14 | 甘肃建投隧道工程有限公司 | Horizontal type assembling structure for highway bridge construction and using method thereof |
| CN114855632A (en) * | 2022-05-31 | 2022-08-05 | 中交路桥建设有限公司 | Steel-concrete composite beam cable-stayed bridge construction system and steel-concrete composite beam construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111172882A (en) | Beam section transportation method for assembling bridge girder cantilever | |
| CN100476076C (en) | Mobile integral construction platform, construction method thereof and special sling for the same | |
| WO2024148715A1 (en) | Method for erecting continuous steel truss bridge | |
| CN115748513A (en) | Construction method of ultra-small high-span-ratio all-welded steel truss girder bridge based on cantilever aerial work platform | |
| CN108625270A (en) | Nose girder gantry crane installs bridge prefabrication box girder construction method | |
| CN110468743B (en) | Movable hanging bracket for transformation of old bridge pier cap and construction method | |
| WO2023005126A1 (en) | Steel box girder lifting and transporting frame system and construction method therefor | |
| CN109680614B (en) | Method and equipment for quickly transferring ultra-large bridge girder erection machine of assembled steel-concrete combined bridge | |
| CN111350135B (en) | Large-span steel truss girder floating towing frame facility construction method | |
| CN113605255A (en) | Rapid construction method for steel truss and steel box combined beam bridge in offshore height-limiting and navigation-limiting area | |
| CN115652859B (en) | Integral type installation method for offshore pile foundation marine structure superstructure | |
| CN104746432A (en) | Carriageway slab transportation and installation vehicle capable of traveling on slab and beam | |
| CN116497760A (en) | Installation method of gravity type caisson wharf precast beam slab bridge girder erection machine | |
| CN113250093B (en) | Method for assembling small-plane curve radius concrete segmental beam | |
| CN114427199A (en) | Excavation-free mechanized construction method for mountain pedestrian footpath | |
| CN114016422B (en) | Steel girder erection method | |
| CN216474531U (en) | Water steel box girder lifting, sliding and installing system with existing bridge penetrating downwards | |
| CN215801070U (en) | Open bridge hoist and mount track platform | |
| CN114319136B (en) | Rapid construction method for pushing steel bridge floating crane in navigable water area | |
| CN117051717A (en) | Integral self-floating lifting erection method for middle section arched girder of long-span middle-bearing steel box arched bridge | |
| CN212769526U (en) | Lower bearing lifting type bridge floor crane | |
| CN114525734B (en) | Erection method based on steel-concrete composite beam erection system | |
| CN217536681U (en) | Assembling support of large-tonnage steel-concrete combined cross beam of cable-stayed bridge cable tower | |
| CN219637728U (en) | Aerial working platform for cantilever assembly ultra-small high span ratio all-welded steel truss bridge | |
| CN218371324U (en) | Bridge floor system steel reinforced concrete construction auxiliary trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200519 |