CN219708839U - Bridge assembled lifting appliance applicable to different beam lengths - Google Patents
Bridge assembled lifting appliance applicable to different beam lengths Download PDFInfo
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- CN219708839U CN219708839U CN202320437883.7U CN202320437883U CN219708839U CN 219708839 U CN219708839 U CN 219708839U CN 202320437883 U CN202320437883 U CN 202320437883U CN 219708839 U CN219708839 U CN 219708839U
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- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
A bridge assembled lifting appliance applicable to different beam lengths comprises a rectangular frame, a zipper lifting lug and a coupling lifting lug; the rectangular frame comprises two cross beams and three longitudinal beams, the two cross beams are arranged side by side at intervals, and each cross beam comprises two cross beam end beams connected through a pin rod; the three longitudinal beams are respectively arranged at two ends and the middle position of the cross beam and are positioned between the two cross beams, the cross beams are connected with the longitudinal beams through welding, each longitudinal beam comprises two longitudinal beam end beams, and at least one adjusting beam is arranged between the two longitudinal beam end beams; the zipper lifting lugs are arranged at two ends of the top plate of the cross beam; the connecting lifting lugs are arranged at two ends of the bottom plate of the cross beam. The utility model has the advantages of foundation adaptability, high assembling and turnover speed, high structural safety and comfort, greatly reduced production cost and the like, and provides two functions of working channels with different beam lengths and a platform for common operation of the cross beam and the longitudinal beam through the connection and fixation of the pin shafts and the laying of the lifting lugs.
Description
Technical Field
The utility model relates to the technical field of assembly type lifting appliances, in particular to a bridge assembly type lifting appliance applicable to different beam lengths.
Background
The girder is the most important component of the upper structure of the bridge, can be used as a construction platform in the construction process, and bears the live load of automobiles and the like after the bridge is formed. The construction method of the large-span bridge girder is critical, and decisions are generally made by combining hydrogeological conditions. For the steel girder bridge, an assembly method is generally adopted for construction. The beam body is prefabricated in a factory, is transported to a construction site and is hoisted by a lifting appliance.
The traditional bridge sling construction generally adopts a double-machine lifting beam, the beam plates are required to be provided with four beam guide plates by a beam guide frame, and then different beams are installed by cranes with different beam lengths. Along with the continuous increase of the variety of prefabricated girder steel, traditional hoist can play the effect different in the face of different roof beams, can't exert its full performance, and the construction platform of hoist installation work platform of different roof beams builds difficulty simultaneously.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defect that the conventional lifting appliance in the prior art cannot be strained against different beams, so as to provide the bridge assembly lifting appliance applicable to different beam lengths.
A bridge assembled lifting appliance applicable to different beam lengths comprises a rectangular frame, a zipper lifting lug and a coupling lifting lug;
the rectangular frame comprises two cross beams and three longitudinal beams, the two cross beams are arranged side by side at intervals and transversely extend, and each cross beam comprises two cross beam end beams connected through a pin rod; the three longitudinal beams are respectively arranged at two ends and the middle position of the cross beam and are positioned between the two cross beams, the cross beams are connected with the longitudinal beams through welding, each longitudinal beam comprises two longitudinal beam end beams, at least one adjusting beam connected through a flange is arranged between the two longitudinal beam end beams, and the cross beams and the longitudinal beams are riveted through bolts;
the zipper lifting lugs are arranged at two ends of a top plate of the cross beam, and four zipper lifting lugs which are uniformly arranged along the axial direction of the cross beam at intervals are arranged at each end of the top plate of the cross beam;
the connecting lifting lugs are arranged at two ends of the bottom plate of the cross beam, and each end of the bottom plate of the cross beam is provided with two connecting lifting lugs which are arranged at intervals along the axial direction of the bottom plate of the cross beam.
As one preferable mode of the assembled lifting appliance, the zipper lifting lugs and the coupling lifting lugs are symmetrically arranged along the longitudinal beam positioned in the middle of the cross beam, the zipper lifting lugs at the outermost sides of the two ends of the top plate of the cross beam are respectively positioned on the same straight line with the longitudinal beams at the two ends, and the distance between the two coupling lifting lugs is slightly smaller than the width of the longitudinal beam.
As one preferable mode of the assembled lifting appliance, the flange is rectangular and comprises a plurality of flange steel plates and stiffening rib plates positioned between two adjacent flange steel plates, and a flange bolt hole is formed in the center of each flange steel plate.
As one preferable mode of the assembled lifting appliance, the top plate of the cross beam is welded with the lifting lug of the zipper, and stiffening plates are respectively fixedly arranged on the side walls of the lifting lug plate adjacent to the top plate.
As one preferable mode of the assembled lifting appliance, the bottom plate of the cross beam is welded with the connecting lifting lug, stiffening plates are respectively and fixedly arranged on the side walls of the lifting lug plate adjacent to the bottom plate, and the connecting lifting lug is provided with a pin shaft.
As a preferred embodiment of the assembled spreader of the present utility model, the rectangular frame is further provided with diagonal braces, which are arranged between two adjacent stringers.
The technical scheme of the utility model has the following advantages:
1. the cross beam end beam and the longitudinal beam end beam can be welded in advance, the longitudinal beam end beam and the adjusting beam are of split type structures, the occupied space is small, and the storage and the transportation of the lifting appliance are facilitated;
2. the lifting appliance can adapt to the size of the lifting beam by adjusting the number of the adjusting beams when in use, and can be used for lifting various types of beams.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top plan view of the structure of the present utility model;
FIG. 2 is a schematic view of the beam end and beam end connection structure of the cross beam of the present utility model;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;
FIG. 4 is a schematic view of a flange structure according to the present utility model;
FIG. 5 is a schematic view of the hoisting in embodiment 2 of the present utility model;
reference numerals illustrate:
1. a rectangular frame; 101. a cross beam; 102. a longitudinal beam; 1021. an adjustment beam; 103. diagonal bracing; 2. a zipper lifting lug; 3. connecting lifting lugs; 4. a flange; 401. a flange steel plate; 4011. flange bolt holes; 402. stiffening rib plates; 5. stiffening plates; 6. a pin shaft; 7. a pin rod; 8. and hanging the lug plate.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Example 1
The embodiment provides a bridge assembly type lifting appliance applicable to different beam lengths, which is shown in figures 1-3 and comprises a rectangular frame 1, a zipper lifting lug 2 and a coupling lifting lug 3;
the rectangular frame 1 comprises two cross beams 101 and three longitudinal beams 102, wherein the two cross beams 101 are arranged side by side at intervals and transversely extend, and each cross beam 101 comprises two cross beam end beams connected through a pin rod 7; the three longitudinal beams 102 are respectively arranged at two ends and the middle position of the cross beam 101 and are positioned between the two cross beams 101, the cross beam 101 is connected with the longitudinal beams 102 through welding, each longitudinal beam 102 comprises two longitudinal beam end beams, at least one adjusting beam 1021 connected through a flange 4 is arranged between the two longitudinal beam end beams, and the cross beam 101 and the longitudinal beam 102 are riveted through bolts;
the zipper lifting lugs 2 are arranged at two ends of a top plate of the cross beam 101, and four zipper lifting lugs 2 which are uniformly arranged along the axial direction of the top plate of the cross beam 101 at intervals are arranged at each end of the top plate of the cross beam 101;
the coupling lifting lugs 3 are arranged at two ends of the bottom plate of the cross beam 101, and each end of the bottom plate of the cross beam 101 is provided with two coupling lifting lugs 3 which are arranged at intervals along the axial direction of the cross beam.
By adopting the structure, the lifting appliance has the advantages of stable structure, high degree of mechanization, foundation adaptation diversity, high assembling and turnover speed, high structural safety and comfort, greatly reduced production cost, connection and fixation through the pin shaft 6, laying of lifting lugs, and two functions of providing operation channels with different beam lengths and platform for common operation of the cross beam 101 and the longitudinal beam 102
The cross beam 101 and the longitudinal beam 102 are made of steel box girders. The spreader is generally rectangular in shape, and the spreader of the present utility model may be fabricated such that the length of the cross member 101 is greater than the length of the longitudinal member 102. Between the ends of the cross beam 101 are steel box girder segments of standard length.
In this embodiment, the zipper lifting lugs 2 and the coupling lifting lugs 3 are symmetrically arranged along the longitudinal beam 102 positioned at the middle of the cross beam 101, the outer-most zipper lifting lugs 2 at the two ends of the top plate of the cross beam 101 are respectively positioned on the same straight line with the longitudinal beams 102 at the two ends, and the distance between the two coupling lifting lugs 3 is slightly smaller than the width of the longitudinal beam 102.
By adopting the structure, the symmetrically arranged zipper lifting lugs 2 and the coupling lifting lugs 3 are stressed more reasonably in the lifting process of the beam, so that the whole rectangular frame 1 is kept stable, the beam body overturning and falling accidents in the lifting Liang Guocheng are avoided, and the safety of the beam lifting operation is improved.
As shown in fig. 4, the flange 4 is rectangular, and includes a plurality of flange steel plates 401 and stiffening ribs 402 located between two adjacent flange steel plates 401, and a flange bolt hole 4011 is provided at the center of the flange steel plates 401.
By adopting the structure, the size and the shape of the flanges 4 are the same as those of the longitudinal beam 102, the flange has good comprehensive performance, the two flanges 4 can be tightly connected through bolts penetrating through the flange bolt holes 4011, the flanges 4 are convenient and firm to connect, the assembly time of the adjusting beam 1021 is greatly reduced, and the working efficiency is improved.
In this embodiment, the top plate of the cross beam 101 is welded to the zipper lifting lug 2, and stiffening plates 5 are respectively fixed on the side walls of the lifting lug plates 8 adjacent to the top plate. The bottom plate of the cross beam 101 is welded with the connecting lifting lug 3, stiffening plates 5 are respectively and fixedly arranged on the side walls of the lifting lug plates 8 adjacent to the bottom plate, and pin shafts 6 are arranged on the connecting lifting lug 3.
By adopting the structure, the setting of the stiffening plate 5 strengthens the connection firmness between the zipper lifting lug 2 and the coupling lifting lug 3 and the cross beam 101, so that the whole structure is more stable, the probability of falling and damaging the zipper lifting lug 2 and the coupling lifting lug 3 in the using process of the lifting appliance is reduced, the setting of the pin shaft 6 is convenient for the switching between the cross beam 101 and the total amount 102,
in this embodiment, the rectangular frame 1 is further provided with diagonal braces 103, which are provided between two adjacent stringers 102.
By adopting the structure, the diagonal brace 103 divides the rectangular structure into the triangular structure, so that the space stability of the rectangular frame 1 is ensured, the stress of the rectangular frame 1 is more reasonable, and the overall rigidity is increased.
Example 2
The present embodiment is a method for using the lifting appliance in embodiment 1, as shown in fig. 5:
s1: preparation: the number of the adjusting beams 1021 in the longitudinal beam 102 is adjusted according to the specification of the lifting beam, so that the size of the rectangular frame 1 is the same as that of the lifting beam, and a lifting cable of the crane is connected with the zipper lifting lug 2 and the coupling lifting lug 3;
s2: hoisting operation: the lifting appliance is moved to the position right above the beam through the crane, after the connection of the lifting appliance and the beam body is completed, the crane lifts the beam body to be separated from the beam transporting vehicle, and accurately transports the beam body to the position above the region to be erected, and slowly falls down the beam body;
s3: and (2) after the beam body is correctly positioned, connecting the contact lifting appliance with the beam body, and repeating the step (S2) until the lifting operation of the area is completed.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (6)
1. The utility model provides a bridge assembled hoist that can be applicable to different beam lengths, includes rectangular frame (1), zip fastener lug (2) and joins lug (3), its characterized in that:
the rectangular frame (1) comprises two cross beams (101) and three longitudinal beams (102), wherein the two cross beams (101) are arranged side by side at intervals and transversely extend, and each cross beam (101) comprises two cross beam end beams connected through a pin rod (7); the three longitudinal beams (102) are respectively arranged at two ends and the middle position of the cross beam (101) and are positioned between the two cross beams (101), the cross beams (101) are connected with the longitudinal beams (102) through welding, each longitudinal beam (102) comprises two longitudinal beam end beams, at least one adjusting beam (1021) connected through a flange (4) is arranged between the two longitudinal beam end beams, and the cross beams (101) and the longitudinal beams (102) are riveted through bolts;
the zipper lifting lugs (2) are arranged at two ends of a top plate of the cross beam (101), and four zipper lifting lugs (2) which are uniformly arranged along the axial direction of the cross beam (101) at intervals are arranged at each end of the top plate of the cross beam;
the connecting lifting lugs (3) are arranged at two ends of the bottom plate of the cross beam (101), and two connecting lifting lugs (3) which are arranged at intervals along the axial direction of the bottom plate of the cross beam (101) are arranged at each end of the bottom plate of the cross beam.
2. Bridge assembled lifting appliance applicable to different beam lengths according to claim 1, wherein the zipper lifting lugs (2) and the coupling lifting lugs (3) are symmetrically arranged along the longitudinal beams (102) positioned in the middle of the cross beam (101), the outer-most zipper lifting lugs (2) at the two ends of the top plate of the cross beam (101) are respectively positioned on the same straight line with the longitudinal beams (102) at the two ends, and the distance between the two coupling lifting lugs (3) is slightly smaller than the width of the longitudinal beams (102).
3. Bridge fitting-type lifting appliance applicable to different beam lengths according to claim 1, characterized in that the flange (4) is rectangular and comprises a plurality of flange steel plates (401) and stiffening ribs (402) positioned between two adjacent flange steel plates (401), and a flange bolt hole (4011) is formed in the center of the flange steel plates (401).
4. Bridge assembled lifting appliance applicable to different beam lengths according to claim 1, wherein the top plate of the cross beam (101) is welded with the zipper lifting lug (2), and stiffening plates (5) are respectively fixedly arranged on the side walls of the lifting lug plates (8) adjacent to the top plate.
5. Bridge assembled lifting appliance applicable to different beam lengths according to claim 1, characterized in that the bottom plate of the cross beam (101) is welded with the connecting lifting lug (3), stiffening plates (5) are respectively and fixedly arranged on the side walls of the lifting lug plates (8) adjacent to the bottom plate, and pin shafts (6) are arranged on the connecting lifting lug (3).
6. Bridge-mounted spreader applicable to different girder lengths according to claim 1, characterized in that the rectangular frame (1) is further provided with diagonal braces (103) arranged between two adjacent stringers (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320437883.7U CN219708839U (en) | 2023-03-09 | 2023-03-09 | Bridge assembled lifting appliance applicable to different beam lengths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320437883.7U CN219708839U (en) | 2023-03-09 | 2023-03-09 | Bridge assembled lifting appliance applicable to different beam lengths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219708839U true CN219708839U (en) | 2023-09-19 |
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ID=87978781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320437883.7U Active CN219708839U (en) | 2023-03-09 | 2023-03-09 | Bridge assembled lifting appliance applicable to different beam lengths |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219708839U (en) |
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2023
- 2023-03-09 CN CN202320437883.7U patent/CN219708839U/en active Active
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