CN220845136U - Lifting lug structure and truss girder - Google Patents
Lifting lug structure and truss girder Download PDFInfo
- Publication number
- CN220845136U CN220845136U CN202322709189.9U CN202322709189U CN220845136U CN 220845136 U CN220845136 U CN 220845136U CN 202322709189 U CN202322709189 U CN 202322709189U CN 220845136 U CN220845136 U CN 220845136U
- Authority
- CN
- China
- Prior art keywords
- plate
- lug
- ear
- reinforcing rib
- 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.)
- Active
Links
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 78
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model belongs to the technical field of bridge construction, and discloses a lifting lug structure and a truss girder. The lifting lug structure specifically comprises an ear plate assembly, a pin shaft and a reinforcing assembly. The ear plate assembly includes first and second ear plates disposed in opposition, the first and second ear plates configured to be disposed on the spar. One end of the pin shaft is arranged on the first lug plate, the other end of the pin shaft is arranged on the second lug plate, and the pin shaft is configured to be connected with the lifting rope. The reinforcing assembly comprises a plurality of first reinforcing rib plates, the plurality of first reinforcing rib plates are arranged at intervals along the extending direction of the first lug plates, one end of each first reinforcing rib plate is connected with each first lug plate, and the other end of each first reinforcing rib plate is connected with each second lug plate.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a lifting lug structure and a truss girder.
Background
Lifting lugs which are required to meet requirements during lifting of the steel truss bridge deck are single-lug plates, and steel wire ropes penetrate through lug holes of the single-lug plates to be connected with the lifting lugs. However, as the inclination angle of the steel wire rope is in a dynamic change state, the stress state of the lug plate is correspondingly changed, uneven stress of the lug plate is easily caused, the lug plate is forced to be partially torn, the lifting lug is separated from the steel wire rope, and safety accidents occur.
Disclosure of utility model
The utility model aims to provide a lifting lug structure and a truss girder, which can improve the bearing capacity of the lifting lug structure and reduce the non-uniformity of the force applied by a steel wire rope to the lifting lug structure.
To achieve the purpose, the utility model adopts the following technical scheme:
Lug structure includes:
an ear plate assembly comprising first and second ear plates disposed in opposition, the first and second ear plates configured to be disposed on a truss;
The hinge pin is provided with one end arranged on the first lug plate and the other end arranged on the second lug plate, and is configured to be connected with a lifting rope;
The reinforcing assembly comprises a plurality of first reinforcing rib plates, wherein the plurality of first reinforcing rib plates are arranged at intervals along the extending direction of the first lug plate, one end of each first reinforcing rib plate is connected with the first lug plate, and the other end of each first reinforcing rib plate is connected with the second lug plate.
Optionally, the first and second ear plates are disposed on the base plate, and the base plate is configured to be fixed on the truss.
Optionally, the reinforcing component further includes a plurality of second reinforcing ribs, and the plurality of second reinforcing ribs are disposed on one side of the first ear plate away from the second ear plate along the extending direction of the first ear plate at intervals, and disposed on the bottom plate.
Optionally, the second reinforcing rib plates are in one-to-one correspondence with the first reinforcing rib plates, and the first reinforcing rib plates and the corresponding second reinforcing rib plates are coplanar.
Optionally, the reinforcing component further includes a plurality of third reinforcing ribs, and the plurality of third reinforcing ribs are disposed on one side of the second ear plate away from the first ear plate along the extending direction of the first ear plate at intervals, and disposed on the bottom plate.
Optionally, the third reinforcing rib plates are in one-to-one correspondence with the first reinforcing rib plates, and the first reinforcing rib plates and the corresponding third reinforcing rib plates are coplanar.
Optionally, the first otic placode includes first master otic placode, first subplate and second subplate, first subplate pastes and establishes one side of first master otic placode, the second subplate pastes and establishes the opposite side of first master otic placode, the second otic placode includes second master otic placode, third subplate and fourth subplate, the third subplate pastes and establishes one side of second master otic placode, the fourth subplate pastes and establishes the opposite side of second master otic placode, the one end of round pin axle wears to locate first subplate first master otic placode with the second subplate, the other end wears to locate third subplate second master otic placode with fourth subplate.
Optionally, the pin shaft comprises a first pin cap, a main shaft and a second pin cap, one end of the main shaft penetrates through the first ear plate, the other end of the main shaft penetrates through the second ear plate, the first pin cap is fixed at one end of the main shaft and is attached to one side, far away from the second ear plate, of the first ear plate, and the second pin cap is fixed at the other end of the main shaft and is attached to one side, far away from the first ear plate, of the second ear plate.
Optionally, a limiting ring groove is provided on the main shaft, and the limiting ring groove is configured to accommodate the lifting rope.
The truss girder comprises a girder body and any lifting lug structure, wherein the lifting lug structure is arranged on the girder body.
The beneficial effects are that:
According to the lifting lug structure, the lifting rope penetrates through the space among the pin shaft, the first lug plate, the second lug plate and the truss girder, the acting force for lifting the lifting rope is applied to the pin shaft, the two ends of the pin shaft transmit the force to the first lug plate and the second lug plate, the first lug plate and the second lug plate both play a bearing role, the bearing capacity of the lifting lug structure is improved, the first lug plate and the second lug plate can be effectively reinforced by the plurality of first reinforcing rib plates between the first lug plate and the second lug plate, the bearing capacity of the lifting lug structure is improved, and stress deformation is avoided. Moreover, the acting force and the change of the force application surface caused by the change of the angle of the lifting rope directly act on the pin shaft, and are transmitted to the first lug plate and the second lug plate through the pin shaft, so that the bearing uniformity of the first lug plate and the second lug plate is improved, and the risk of damage to the first lug plate or the second lug plate due to stress concentration is reduced.
Drawings
Fig. 1 is a front view of a shackle structure provided by an embodiment of the present utility model;
FIG. 2 is a side view of a shackle structure provided by an embodiment of the present utility model;
FIG. 3 is a front view of a spar provided by an embodiment of the present utility model;
Fig. 4 is a side view of a girder provided in an embodiment of the present utility model.
In the figure:
1. An ear plate assembly; 11. a first ear plate; 111. a first main ear plate; 112. a first sub-plate; 113. a second sub-plate; 12. a second ear plate; 121. a second main ear plate; 122. a third sub-plate; 123. a fourth sub-plate;
2. A pin shaft;
3. a reinforcement assembly; 31. a first reinforcing rib plate; 32. a second reinforcing rib plate; 33. a third reinforcing rib plate;
4. A bottom plate;
100. a lifting lug structure; 101. a beam body; 102. a lifting rope.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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 the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The present embodiment provides a shackle structure 100. As shown in fig. 1-2, the shackle structure 100 specifically includes an ear plate assembly 1, a pin shaft 2, and a stiffening assembly 3.
The ear plate assembly 1 comprises a first ear plate 11 and a second ear plate 12 arranged opposite each other, the first ear plate 11 and the second ear plate 12 being configured to be arranged on a truss. One end of the pin 2 is disposed on the first ear plate 11 and the other end is disposed on the second ear plate 12, the pin 2 being configured to be connected to the lifting rope 102. The reinforcing component 3 comprises a plurality of first reinforcing rib plates 31, the plurality of first reinforcing rib plates 31 are arranged at intervals along the extending direction of the first ear plates 11, one end of each first reinforcing rib plate 31 is connected with the first ear plate 11, and the other end of each first reinforcing rib plate 31 is connected with the second ear plate 12.
The lifting lug structure 100 that this embodiment provided, pass round pin axle 2 with lifting rope 102, space between first otic placode 11 and second otic placode 12 and the longeron, the effort that lifting rope 102 lifted by crane is applyed on round pin axle 2, on first otic placode 11 and second otic placode 12 are passed with the power to the both ends of round pin axle 2, first otic placode 11 and second otic placode 12 all play the effect of bearing, the bearing capacity of lifting lug structure 100 has been improved, a plurality of first deep floor 31 can consolidate first otic placode 11 and second otic placode 12 effectively between first otic placode 11 and second otic placode 12, the bearing capacity of lifting lug structure 100 is improved, avoid the atress deformation. Moreover, the change of acting force and force application surface caused by the change of the angle of the lifting rope 102 directly acts on the pin shaft 2, and is transmitted to the first ear plate 11 and the second ear plate 12 through the pin shaft 2, so that the bearing uniformity of the first ear plate 11 and the second ear plate 12 is improved, and the risk of damage to the first ear plate 11 or the second ear plate 12 due to stress concentration is reduced.
Optionally, the lifting lug structure 100 further comprises a base plate 4, the first and second ear plates 11, 12 being arranged on the base plate 4, the base plate 4 being configured to be fixed to the girder. The base plate 4 serves as a base plate of the lifting lug structure 100, and facilitates integration of the lifting lug structure 100 itself, thereby facilitating installation of the lifting lug structure 100 on various trusses. The bottom plate 4 is illustratively welded to the truss.
Optionally, the reinforcing assembly 3 further includes a plurality of second reinforcing ribs 32, and the plurality of second reinforcing ribs 32 are disposed on a side of the first ear panel 11 facing away from the second ear panel 12 at intervals along the extending direction of the first ear panel 11, and disposed on the bottom plate 4. The second reinforcing rib plate 32 and the first reinforcing rib plate 31 are respectively supported on two sides of the first ear plate 11, and can remarkably improve the deformation resistance of the first ear plate 11.
Optionally, the second reinforcing rib plates 32 are in one-to-one correspondence with the first reinforcing rib plates 31, and the first reinforcing rib plates 31 and the corresponding second reinforcing rib plates 32 are coplanar. Specifically, the first reinforcing rib plate 31 and the second reinforcing rib plate 32 are perpendicular to the first ear plate 11, the acting force of the first reinforcing rib plate 31 and the second reinforcing rib plate 32 which are arranged in a coplanar manner on the first ear plate 11 is coplanar, and the risk of torsional deformation of the first ear plate 11 is reduced.
Optionally, the reinforcing assembly 3 further comprises a plurality of third reinforcing ribs 33, the plurality of third reinforcing ribs 33 being arranged at intervals along the extension direction of the first ear panel 11 on the side of the second ear panel 12 facing away from the first ear panel 11 and on the bottom panel 4. The third reinforcing rib plate 33 and the first reinforcing rib plate 31 are respectively supported on both sides of the second ear plate 12, and both can significantly improve the deformation resistance of the first ear plate 11.
Optionally, the third reinforcing rib plates 33 are in one-to-one correspondence with the first reinforcing rib plates 31, and the first reinforcing rib plates 31 and the corresponding third reinforcing rib plates 33 are coplanar. Specifically, the third reinforcing rib plate 33 and the first reinforcing rib plate 31 are perpendicular to the second ear plate 12, the acting force of the third reinforcing rib plate 33 and the first reinforcing rib plate 31 which are arranged in a coplanar manner on the second ear plate 12 is coplanar, and the risk of torsional deformation of the first ear plate 11 is reduced.
Optionally, the first ear plate 11 includes a first main ear plate 111, a first auxiliary plate 112 and a second auxiliary plate 113, the first auxiliary plate 112 is attached to one side of the first main ear plate 111, the second auxiliary plate 113 is attached to the other side of the first main ear plate 111, the second ear plate 12 includes a second main ear plate 121, a third auxiliary plate 122 and a fourth auxiliary plate 123, the third auxiliary plate 122 is attached to one side of the second main ear plate 121, the fourth auxiliary plate 123 is attached to the other side of the second main ear plate 121, one end of the pin shaft 2 is penetrating through the first auxiliary plate 112, the first main ear plate 111 and the second auxiliary plate 113, and the other end is penetrating through the third auxiliary plate 122, the second main ear plate 121 and the fourth auxiliary plate 123. The first auxiliary plate 112 and the second auxiliary plate 113 can enhance the bearing strength of the first main ear plate 111, avoid being damaged by stress deformation, and the third auxiliary plate 122 and the fourth auxiliary plate 123 can enhance the bearing strength of the second main ear plate 121, avoid being damaged by stress deformation.
Optionally, the pin shaft 2 includes a first pin cap, a main shaft and a second pin cap, one end of the main shaft is penetrated through the first ear plate 11, the other end is penetrated through the second ear plate 12, the first pin cap is fixed at one end of the main shaft, and is attached to one side of the first ear plate 11 far away from the second ear plate 12, and the second pin cap is fixed at the other end of the main shaft, and is attached to one side of the second ear plate 12 far away from the first ear plate 11. That is, the first and second pin caps are limited to enable the mounting of the pin shaft 2 on the first and second ear plates 11, 12. The pin shaft 2 can also rotate relative to the first ear plate 11 and the second ear plate 12, and is suitable for angle adjustment of the lifting rope 102.
Optionally, a retaining ring groove is provided on the spindle and configured to receive the lifting rope 102. The limiting ring groove is beneficial to limiting the lifting rope 102, and the lifting rope 102 can be prevented from sliding along the axial direction of the pin shaft 2.
As shown in fig. 3-4, the present embodiment further provides a girder including a girder body 101 and the lifting lug structure 100 of any one of the above, wherein the lifting lug structure 100 is disposed on the girder body 101. Specifically, the lifting lug structures 100 are four, are distributed at four corners of the rectangular girder body 101, and the lifting ropes 102 are connected to the pin shafts 2 of the lifting lug structures 100, so that the girder can be lifted.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. Lug structure, its characterized in that includes:
An ear panel assembly (1) comprising a first ear panel (11) and a second ear panel (12) arranged in opposition, the first ear panel (11) and the second ear panel (12) being configured to be arranged on a truss;
The hinge pin (2), one end of the hinge pin (2) is arranged on the first lug plate (11), the other end of the hinge pin is arranged on the second lug plate (12), and the hinge pin (2) is configured to be connected with the lifting rope (102);
The reinforcing component (3) comprises a plurality of first reinforcing rib plates (31), wherein the first reinforcing rib plates (31) are arranged at intervals along the extending direction of the first lug plates (11), one end of each first reinforcing rib plate (31) is connected with the first lug plate (11), and the other end of each first reinforcing rib plate is connected with the second lug plate (12).
2. Lifting lug structure according to claim 1, further comprising a base plate (4), the first and second lug plates (11, 12) being arranged on the base plate (4), the base plate (4) being configured to be fixed on the girder.
3. Lifting lug structure according to claim 2, characterized in that the reinforcing assembly (3) further comprises a plurality of second reinforcing webs (32), the plurality of second reinforcing webs (32) being arranged at intervals along the extension direction of the first lug plate (11) on a side of the first lug plate (11) facing away from the second lug plate (12) and on the base plate (4).
4. A lifting lug structure according to claim 3, wherein the second reinforcing rib plates (32) and the first reinforcing rib plates (31) are in one-to-one correspondence, and the first reinforcing rib plates (31) and the corresponding second reinforcing rib plates (32) are coplanar.
5. Lifting lug structure according to claim 2, characterized in that the reinforcement assembly (3) further comprises a plurality of third reinforcing webs (33), the plurality of third reinforcing webs (33) being arranged at intervals in the direction of extension of the first lug plate (11) on a side of the second lug plate (12) facing away from the first lug plate (11) and on the base plate (4).
6. The lifting lug structure according to claim 5, wherein the third reinforcing rib plate (33) and the first reinforcing rib plate (31) are in one-to-one correspondence, and the first reinforcing rib plate (31) and the corresponding third reinforcing rib plate (33) are coplanar.
7. The lifting lug structure according to claim 1, wherein the first ear plate (11) comprises a first main ear plate (111), a first auxiliary plate (112) and a second auxiliary plate (113), the first auxiliary plate (112) is attached to one side of the first main ear plate (111), the second auxiliary plate (113) is attached to the other side of the first main ear plate (111), the second ear plate (12) comprises a second main ear plate (121), a third auxiliary plate (122) and a fourth auxiliary plate (123), the third auxiliary plate (122) is attached to one side of the second main ear plate (121), the fourth auxiliary plate (123) is attached to the other side of the second main ear plate (121), and one end of the pin shaft (2) is arranged through the first auxiliary plate (112), the first main ear plate (111) and the second auxiliary plate (113) in a penetrating mode, and the other end of the pin shaft is arranged through the third auxiliary plate (122), the second main ear plate (121) and the fourth auxiliary plate (121).
8. The lifting lug structure according to any one of claims 1-7, wherein the pin shaft (2) comprises a first pin cap, a main shaft and a second pin cap, one end of the main shaft is arranged through the first lug plate (11) in a penetrating manner, the other end of the main shaft is arranged through the second lug plate (12) in a penetrating manner, the first pin cap is fixed at one end of the main shaft, is abutted against one side, far away from the second lug plate (12), of the first lug plate (11), and the second pin cap is fixed at the other end of the main shaft, is abutted against one side, far away from the first lug plate (11), of the second lug plate (12).
9. The shackle structure as defined by claim 8 wherein said main shaft is provided with a retaining ring groove configured to receive said lifting rope (102).
10. Truss, characterized in that it comprises a beam body (101) and a lifting lug structure according to any of claims 1-9, said lifting lug structure being arranged on said beam body (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322709189.9U CN220845136U (en) | 2023-10-10 | 2023-10-10 | Lifting lug structure and truss girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322709189.9U CN220845136U (en) | 2023-10-10 | 2023-10-10 | Lifting lug structure and truss girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220845136U true CN220845136U (en) | 2024-04-26 |
Family
ID=90782125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322709189.9U Active CN220845136U (en) | 2023-10-10 | 2023-10-10 | Lifting lug structure and truss girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220845136U (en) |
-
2023
- 2023-10-10 CN CN202322709189.9U patent/CN220845136U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214570313U (en) | Lower chord connecting structure of cargo boom of flat-top tower crane | |
| CN220845136U (en) | Lifting lug structure and truss girder | |
| CN214399524U (en) | Hoop for hoisting square prefabricated pier stud | |
| CN202346648U (en) | Integral standard knot | |
| CN214399503U (en) | Multi-steel-beam component hoisting rigging for high-rise steel structure construction | |
| CN210368600U (en) | Connecting structure of steel truss bridge beam and longitudinal beam | |
| CN210594860U (en) | Fixing device for elevator balancing weight | |
| CN201678344U (en) | Layout structure of elevator tractor | |
| CN219507438U (en) | Main drive lifting device | |
| CN203159050U (en) | Crane end beam | |
| CN210975493U (en) | Plate girder bridge | |
| CN218371171U (en) | Split combined type lifting appliance for lifting elevator shaft | |
| CN214835189U (en) | Sideslip frame and garage parking | |
| CN216141115U (en) | Steel construction bridge construction is with assembled lug | |
| CN216945776U (en) | Elevator hauler mounting structure with split type host computer base | |
| CN221321039U (en) | Equipment foundation on board | |
| CN206645717U (en) | A kind of novel crane girder | |
| CN210236844U (en) | General hoist of large-scale girder machine hoist and mount steel box girder and wave form web beam | |
| CN219156369U (en) | Vehicle frame for mobile crane and mobile crane | |
| CN216038332U (en) | Tower crane balance arm counter weight subassembly | |
| CN207078863U (en) | Large-tonnage large span machine-roomless lift spandrel girder | |
| CN211470438U (en) | Overload-prevention lifting device | |
| CN111439670B (en) | Wind-resistant and overturning-resistant device for quay crane and quay crane unit | |
| CN219771603U (en) | Tower machine platform guardrail connecting device | |
| CN214456116U (en) | Hoisting device convenient for hoisting steel temporary bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |