CN219604159U - Assembled pi beam bridge installation bridge girder erection machine and assembled pi beam bridge - Google Patents
Assembled pi beam bridge installation bridge girder erection machine and assembled pi beam bridge Download PDFInfo
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- CN219604159U CN219604159U CN202320122718.2U CN202320122718U CN219604159U CN 219604159 U CN219604159 U CN 219604159U CN 202320122718 U CN202320122718 U CN 202320122718U CN 219604159 U CN219604159 U CN 219604159U
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Abstract
The utility model discloses an assembled pi bridge installation bridge girder erection machine and assembled pi bridge relates to bridge girder erection machine technical field, along girder bridge direction setting, include: the adjustable front supporting leg is arranged at the front end of the main beam; the turnover type rear supporting leg is arranged at the rear end of the main beam, and the bottom of the turnover type rear supporting leg is attached to the beam bridge; the tire type landing leg is arranged in the middle of the main beam, and the tire is attached to the beam bridge. The beneficial effects of the utility model are that: through tire formula landing leg, girder, realize that the girder can steady removal at removal in-process to whole equipment dead weight is little, when rural regional large-scale hoist can't get into and out of the scene, only need small-size loop wheel machine can accomplish the bridge crane and assemble, through can turn over the landing leg behind the book formula, realize reducing the whole height of girder, only need less headroom can satisfy prefabricated component entering demand, when there is facilities such as high-voltage line in the top, need not have a power failure and can accomplish the girder erection, and establish temporary facilities between the pier stud, no influence to the river course.
Description
Technical Field
The utility model relates to a bridge crane technical field specifically relates to an assembled pi beam bridge installation bridge crane and assembled pi beam bridge.
Background
The prefabricated pi beam is a novel main beam form in a middle-small span bridge in rural areas, has the characteristics of good integrity, anti-overturning and the like, and has a large width and a large weight compared with a conventional T beam with the same span, and the pi Liang Changgui span is 8m and 10m;
however, in rural areas, large cranes cannot enter and leave the field, only a small crane is used for assembling a bridge girder erection machine to finish the hoisting of precast girders, and high-voltage wires, cables and the like exist above a large number of rural bridges, and if the high-voltage wires are interrupted or cut off, the interference to nearby residents is caused due to the fact that the lifting height of the cables is low, so that coordination cost is increased, and safety is low.
Disclosure of Invention
The utility model aims at overcoming the defects of the background technology, and providing an assembled pi beam bridge installation bridge girder erection machine and an assembled pi beam bridge.
In a first aspect, the present utility model provides an assembled pi beam bridge installation bridge girder erection machine, comprising:
the main beam is arranged along the direction of the beam bridge and above the beam bridge, the left section part of the main beam is a supporting part, and the right section part of the main beam is an erection part;
the adjustable front supporting leg is arranged at the front end of the main beam;
the turnover type rear supporting leg is arranged at the rear end of the main beam, and the bottom of the turnover type rear supporting leg is attached to the beam bridge;
the tire type supporting leg is arranged in the middle of the main beam, a tire is arranged on the lower end face of the tire type supporting leg, and the tire is attached to the beam bridge;
the front crown block and the rear crown block are arranged on the upper end face of the main beam, rollers are arranged at the bottoms of the front crown block and the rear crown block, and hoisting mechanisms are arranged on the lower end faces of the front crown block and the rear crown block;
the tire type supporting leg and the turnover type rear supporting leg are located at the supporting part of the main beam, and the adjustable front supporting leg, the front crown block and the rear crown block are located at the erecting part of the main beam.
Further, the bottom of the adjustable front supporting leg is formed by a telescopic rod, and the height of the adjustable front supporting leg is higher than that of the beam bridge.
Further, the foldable rear supporting leg is connected with the main beam through a hinge, and a first driving mechanism is arranged on one side of the main beam and used for driving the foldable rear supporting leg to rotate.
Further, the bottom of the foldable rear supporting leg is fixedly connected with a supporting block, and the lower end face of the supporting block is attached to the beam bridge.
Further, the tire type supporting leg is arranged at the center of the lower end face of the main beam, the upper end face of the beam bridge is provided with a track, and the tire type supporting leg is arranged along the laying direction of the beam bridge and in the track of the beam bridge.
Further, the front crown block and the rear crown block are both provided with a second driving mechanism, and the second driving mechanism is connected with the front crown block and the rear crown block and used for rotating the idler wheels.
Further, the upper end face of the main beam is provided with a transverse rolling groove, and the rollers of the front crown block and the rear crown block are arranged in the rolling groove.
In a second aspect, the utility model further provides an assembled pi beam bridge, which comprises the assembled pi beam bridge installation bridge girder erection machine according to any one of the above schemes, and further comprises: a plurality of first units and a plurality of second units;
the first unit comprises a pi beam;
the second unit comprises a bearing platform, pier columns and a capping beam;
the second units are distributed equidistantly, and the distance length between the two second units is smaller than the length of the main beam of the bridge girder erection machine.
Further, the pier column, the capping beam and the pi beam are all arranged on the bearing platform.
Further, the pier column is arranged above the bearing platform, the capping beam is arranged above the pier column, the pi beam is arranged above the capping beam, and the hoisting mechanisms of the front crown block and the rear crown block can be arranged on the pier column, the capping beam and the pi beam.
Compared with the prior art, the utility model has the following advantages: through tire formula landing leg, girder, realize that the girder can steady removal at removal in-process to whole equipment dead weight is little, when rural regional large-scale hoist can't get into and out of the scene, only need small-size loop wheel machine can accomplish the bridge crane and assemble, through can turn over the landing leg behind the book formula, realize reducing the whole height of girder, only need less headroom can satisfy prefabricated component entering demand, when there is facilities such as high-voltage line in the top, need not have a power failure and can accomplish the girder erection, and establish temporary facilities between the pier stud, no influence to the river course.
Drawings
FIG. 1 is a schematic diagram of the whole practical bridge girder erection machine.
FIG. 2 is a schematic view of the prefabricated pier stud of the present utility model in its longitudinal position.
Fig. 3 is a schematic view of the prefabricated capping beam in place longitudinally.
Fig. 4 is a schematic view of the prefabricated pi beam in place longitudinally.
Fig. 5 is a turnover schematic diagram of a turnover type rear supporting leg of the practical bridge girder erection machine.
In the figure:
1. a main beam;
2. an adjustable front leg;
3. tyre type supporting legs;
4. a foldable rear leg;
5. a front crown block;
6. a rear crown block;
7. a first unit;
8. and a second unit.
Detailed Description
Reference will now be made in detail to the present embodiments of the utility model, examples of which are illustrated in the accompanying drawings. While the utility model will be described in conjunction with the specific embodiments, it will be understood that it is not intended to limit the utility model to the described embodiments. On the contrary, it is intended to cover alternatives, modifications, and equivalents as may be included within the spirit and scope of the utility model as defined by the appended claims. It should be noted that the method steps described herein may be implemented by any functional block or arrangement of functions, and any functional block or arrangement of functions may be implemented as a physical entity or a logical entity, or a combination of both.
In order that those skilled in the art will better understand the present utility model, the following description will be made in detail with reference to the accompanying drawings and detailed description.
Note that: the examples to be described below are only one specific example, and not as limiting the embodiments of the present utility model must be the following specific steps, values, conditions, data, sequences, etc. Those skilled in the art can, upon reading the present specification, make and use the concepts of the present utility model to construct additional embodiments not described in the present specification.
The prefabricated pi beam is a novel main beam form in a middle-small span bridge in rural areas, has the characteristics of good integrity, anti-overturning and the like, and has a large width and a large weight compared with a conventional T beam with the same span, and the pi Liang Changgui span is 8m and 10m; however, in rural areas, large cranes cannot enter and leave the field, only a small crane is used for assembling a bridge girder erection machine to finish the hoisting of precast girders, and high-voltage wires, cables and the like exist above a large number of rural bridges, and if the high-voltage wires are interrupted or cut off, the interference to nearby residents is caused due to the fact that the lifting height of the cables is low, so that coordination cost is increased, and safety is low.
In order to solve the above-mentioned problem of the bridge girder erection machine, the present utility model provides an assembled pi girder bridge installation bridge girder erection machine, in this embodiment, please refer to fig. 1-5, including: the girder 1 is arranged along the girder bridge direction and above the girder bridge, the left section part of the girder 1 is a supporting part, and the right section part of the girder 1 is an erection part; the adjustable front supporting leg 2 is arranged at the front end of the main beam 1; the turnover type rear supporting leg 4 is arranged at the rear end of the main beam 1, and the bottom of the turnover type rear supporting leg 4 is attached to the beam bridge; the tire type supporting leg 3 is arranged in the middle of the main beam 1, a tire is arranged on the lower end face of the tire type supporting leg 3, and the tire is attached to the beam bridge; the front crown block 5 and the rear crown block 6 are arranged on the upper end face of the main beam 1, rollers are arranged at the bottoms of the front crown block 5 and the rear crown block 6, and hoisting mechanisms are arranged on the lower end faces of the front crown block 5 and the rear crown block 6; the tire type supporting leg 3 and the turnover type rear supporting leg 4 are positioned at the supporting part of the main beam 1, and the adjustable front supporting leg 2, the front crown block 5 and the rear crown block 6 are positioned at the erection part of the main beam 1;
in the utility model, the whole mechanism has small dead weight, so that the prefabricated beam hoisting can be conveniently completed by using a small crane assembly bridge girder erection machine, the turnover type rear supporting leg 4 is arranged at one end of the main beam 1, when the main beam 1 needs to be supported in the use process, the turnover type rear supporting leg 4 is supported on a girder bridge, and when the main beam 1 moves, the turnover type rear supporting leg 4 turns over, thereby reducing the whole height of the main beam 1 and ensuring that the main beam 1 can pass through various areas;
in other embodiments, the middle part of the tire type supporting leg 3 is of a platform structure, the bottom is provided with a tire, the upper end surface of the tire type supporting leg 3 is provided with a telescopic mechanism, and the telescopic end of the telescopic mechanism is installed with the main beam 1;
in the utility model, the tire type supporting leg 3 is divided into two parts, and the telescopic mechanism of the tire type supporting leg 3 can be matched with the adjustable front supporting leg 2 to adjust the height of the main beam 1, so that the main beam 1 can smoothly adjust the whole height.
In the embodiment, the bottom of the adjustable front supporting leg 2 is formed by a telescopic rod, and the height of the adjustable front supporting leg 2 is higher than that of the bridge;
in the utility model, the adjustable front supporting leg 2 is arranged at the front end of the main beam 1, the whole telescopic height of the adjustable front supporting leg 2 is higher than that of the main beam 1, and the adjustable front supporting leg 2 can be supported on the beam bridge in the process that the main beam 1 keeps motionless to hoist the beam bridge.
In the embodiment, a turnover type rear supporting leg 4 is connected with a main beam 1 through a hinge, one side of the main beam 1 is provided with a first driving mechanism for driving the turnover type rear supporting leg 4 to rotate, the bottom of the turnover type rear supporting leg 4 is fixedly connected with a supporting block, and the lower end face of the supporting block is attached to a beam bridge;
in the utility model, the turnover type rear supporting leg 4 is arranged at one end of the main girder 1 to play a main supporting role, and the turnover type rear supporting leg 4 is supported on the girder bridge to support the main girder 1 in the process of hoisting the girder bridge, so that the stability of the main girder 1 is ensured;
in other embodiments, the bottom of the foldable rear supporting leg 4 is provided with a supporting block, the width of the supporting block is larger than that of the foldable rear supporting leg 4, the contact area is increased, the supporting stability is guaranteed, the supporting block is matched with the adjustable front supporting leg 2, the main beam 1 can be arranged on a beam bridge in a horizontal parallel mode, the supporting block can be made of soft materials with small elasticity, in the overturning process of the foldable rear supporting leg 4, the supporting block cannot be blocked by the beam bridge due to the angle problem, and therefore the foldable rear supporting leg 4 can be conveniently overturned.
In the embodiment, the tire type supporting leg 3 is arranged at the central part of the lower end surface of the main beam 1, the upper end surface of the beam bridge is provided with a track, and the tire type supporting leg 3 is arranged along the laying direction of the beam bridge and in the track of the beam bridge;
in the utility model, the bottom of the tire type supporting leg 3 is replaced by a tire, the diameter of the tire is larger than the gap between the beam bridges, and the tire type supporting leg 3 is ensured not to be blocked into the gap due to undersize in the moving process.
In the embodiment, the front crown block 5 and the rear crown block 6 are both provided with a second driving mechanism, the second driving mechanism is connected with the front crown block 5 and the rear crown block 6 and used for rotating the rollers, the upper end surface of the main beam 1 is provided with a transverse rolling groove, and the rollers of the front crown block 5 and the rear crown block 6 are arranged in the rolling groove;
in the utility model, the front crown block 5 and the rear crown block 6 move through the second driving mechanism, so that the positions between the hoisting mechanisms are adjusted, each part of the girder bridge can be hoisted by the hoisting mechanisms, the rolling grooves on the girder 1 can move in the moving process of the front crown block 5 and the rear crown block 6, and the front crown block 5 and the rear crown block 6 are limited, so that the front crown block 5 and the rear crown block 6 are more stable;
in other embodiments, a locking mechanism is provided between the rollers of the front crown block 5 and the rear crown block 6, so that the front crown block 5 and the rear crown block 6 are stationary when they do not need to be moved, thereby facilitating the lifting of the bridge member.
A fabricated pi beam bridge, comprising: a plurality of first units 7 and a plurality of second units 8; the first unit 7 comprises a pi beam; the second unit 8 comprises a bearing platform, pier columns and a capping beam; the second units 8 are equidistantly distributed, the distance length between the two second units 8 is smaller than the length of the main beam 1 of the bridge girder erection machine, the pier column, the bent cap and the pi beam are all arranged on the bearing platform, the pier column is arranged above the bearing platform, the bent cap is arranged above the pier column, the pi beam is arranged above the bent cap, and the hoisting mechanisms of the front crown block 5 and the rear crown block 6 can be arranged on the pier column, the bent cap and the pi beam.
When the utility model is used, the following steps are: firstly, when erecting the components of a beam bridge, the front crown block 5 and the rear crown block 6 move on the main beam 1, the components of the beam bridge are hoisted by using a hoisting mechanism of the front crown block and the rear crown block, and then the components are moved to a designated position and are installed;
when girder 1 wholly removes, upset turn over the back landing leg of formula of turning over, make the back landing leg of formula of turning over leave the bridge to adjustable preceding landing leg 2 stretches out and draws back, leaves the supporting part, and the tire of tire formula landing leg 3 is driven to rotate to make tire formula landing leg 3 remove simultaneously, drive girder 1 and stride down and remove, after removing the assigned position, adjustable preceding landing leg 2 and turnover formula back landing leg 4 are adjusted, make adjustable preceding landing leg 2 and turnover formula back landing leg 4 support girder 1 again.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in this application will be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely exemplary of embodiments of the present utility model to enable those skilled in the art to understand or practice the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An assembled pi beam bridge installation bridge girder erection machine, comprising:
the main beam (1) is arranged along the direction of the beam bridge and above the beam bridge, the left section part of the main beam (1) is a supporting part, and the right section part of the main beam (1) is an erection part;
the adjustable front supporting leg (2) is arranged at the front end of the main beam (1);
the turnover type rear supporting leg (4) is arranged at the rear end of the main beam (1), and the bottom of the turnover type rear supporting leg (4) is attached to the beam bridge;
the tire type supporting leg (3) is arranged in the middle of the main beam (1), a tire is mounted on the lower end face of the tire type supporting leg (3), and the tire is attached to the beam bridge;
the front crown block (5) and the rear crown block (6) are arranged on the upper end face of the main beam (1), rollers are arranged at the bottoms of the front crown block (5) and the rear crown block (6), and hoisting mechanisms are arranged on the lower end faces of the front crown block (5) and the rear crown block (6);
the tire type supporting leg (3) and the turnover type rear supporting leg (4) are located at the supporting position of the main beam (1), and the adjustable front supporting leg (2), the front crown block (5) and the rear crown block (6) are located at the erecting position of the main beam (1).
2. The bridge girder erection machine for the assembled pi beam bridge according to claim 1, wherein the bottom of the adjustable front supporting leg (2) is composed of a telescopic rod, and the height of the adjustable front supporting leg (2) is higher than that of the bridge.
3. The assembly pi beam bridge installation bridge girder erection machine according to claim 1, wherein the turnover type rear supporting leg (4) is connected with the main girder (1) through a hinge, and a first driving mechanism is arranged on one side of the main girder (1) and is used for driving the turnover type rear supporting leg (4) to rotate.
4. A pi beam bridge mounting bridge girder erection machine according to claim 3, wherein the bottom of the foldable rear supporting leg (4) is fixedly connected with a supporting block, and the lower end surface of the supporting block is attached to the beam bridge.
5. The assembly pi beam bridge installation bridge girder erection machine according to claim 1, wherein the tire type supporting leg (3) is installed at the center part of the lower end face of the main girder (1), a track is arranged on the upper end face of the beam bridge, and the tire type supporting leg (3) is arranged along the laying direction of the beam bridge and is arranged in the track of the beam bridge.
6. An assembled pi beam bridge installation bridge girder erection machine according to claim 1, wherein the front crown block (5) and the rear crown block (6) are provided with a second driving mechanism, and the second driving mechanism is connected with the front crown block (5) and the rear crown block (6) and is used for driving the roller to rotate.
7. An assembled pi beam bridge installation bridge girder erection machine as claimed in claim 6, wherein the upper end surface of the main girder (1) is provided with a transverse rolling groove, and the rollers of the front crown block (5) and the rear crown block (6) are arranged in the rolling groove.
8. An assembled pi bridge, comprising the assembled pi bridge mounting bridge girder erection machine of any one of claims 1-7, further comprising: a plurality of first units (7) and a plurality of second units (8);
the first unit (7) comprises a pi beam;
the second unit (8) comprises a bearing platform, pier columns and a capping beam;
the second units (8) are distributed equidistantly, and the distance length between the two second units (8) is smaller than the length of the main girder (1) of the bridge girder erection machine.
9. The fabricated pi beam bridge according to claim 8, wherein the pier stud, the capping beam, and the pi beam are all disposed on a deck.
10. The assembled pi beam bridge according to claim 9, wherein the pier is arranged above the bearing platform, the bent cap is arranged above the pier, the pi beam is arranged above the bent cap, and the hoisting mechanisms of the front crown block (5) and the rear crown block (6) can be arranged on the pier, the bent cap and the pi beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320122718.2U CN219604159U (en) | 2023-01-18 | 2023-01-18 | Assembled pi beam bridge installation bridge girder erection machine and assembled pi beam bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320122718.2U CN219604159U (en) | 2023-01-18 | 2023-01-18 | Assembled pi beam bridge installation bridge girder erection machine and assembled pi beam bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219604159U true CN219604159U (en) | 2023-08-29 |
Family
ID=87755480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320122718.2U Active CN219604159U (en) | 2023-01-18 | 2023-01-18 | Assembled pi beam bridge installation bridge girder erection machine and assembled pi beam bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219604159U (en) |
-
2023
- 2023-01-18 CN CN202320122718.2U patent/CN219604159U/en active Active
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