CN218405627U - Folding lifting lug and excavator - Google Patents
Folding lifting lug and excavator Download PDFInfo
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- CN218405627U CN218405627U CN202222231506.6U CN202222231506U CN218405627U CN 218405627 U CN218405627 U CN 218405627U CN 202222231506 U CN202222231506 U CN 202222231506U CN 218405627 U CN218405627 U CN 218405627U
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- side plate
- connecting plate
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- folding
- lifting
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Abstract
The utility model discloses a folding lifting lug and an excavator, wherein the folding lifting lug comprises a mounting seat assembly, a lifting lug assembly and a pin shaft assembly; the mounting seat assembly comprises a first side plate, a baffle and a second side plate, the first side plate is connected with the second side plate through the baffle, and a cavity for containing the lifting lug assembly is formed between the first side plate and the second side plate; the pin shaft assembly comprises a pin shaft; the lifting lug assembly comprises a first connecting plate, a lifting shaft and a second connecting plate, the first connecting plate is rotatably connected with the second side plate through a pin shaft, the second connecting plate is rotatably connected with the first side plate through a pin shaft, and the lifting shaft is arranged between the first connecting plate and the second connecting plate; during hoisting, the first connecting plate and the second connecting plate are rotated, the hoisting shaft extends out of a cavity between the first side plate and the second side plate, and the first connecting plate and the second connecting plate are abutted to the baffle; when the lifting lug assembly is not required to be lifted, the lifting lug assembly is integrally accommodated in the cavity between the first side plate and the second side plate. The passing performance of the whole vehicle is ensured, and the phenomenon that the steel wire rope shakes to damage the machine is avoided.
Description
Technical Field
The patent of the utility model relates to an engineering machine tool field especially relates to a folding lug and excavator.
Background
At present, crawler-type hydraulic shovel wide application is in each scene such as engineering, water conservancy, steel mill, harbour, because of its self weight and the slower reason of crawler travel, adopts the trailer to operate during conventional excavator transition, but under scenes such as some narrow regions, export loading, harbour construction, need lift by crane the excavator and carry out transition or shipment, the current mode of lifting by crane passes frame bottom down through wire rope, is connected to the hoist cable frock and lifts by crane. Along with the hoist cable rises, wire rope can slide because the excavator focus is not aligned, has the potential safety hazard that the focus deflects, puts down iterative wire rope adjustment, seriously influences the efficiency of transporting.
For the scheme that lifting lugs are directly welded on the side faces of the frame longitudinal beams and then hoisting and positioning are carried out, if the lifting lugs do not extend out of the crawler, the steel wire ropes can hit a crawler plate, and damage is caused; if the welded lifting lug extends out of the crawler belt, the passing ability cannot meet the use requirement.
CN 210509918U has designed a folded cascade rings structure, and folding lug passes through the rotatable installation of axle and accomodates the groove in, and the lug is spacing through rotating and the cooperation of splining the step, and the side is equipped with magnet for the actuation, and the outside is equipped with the sealed cowling and covers the lug, guarantees beautifully.
Patents such as CN 209274909U disclose a missile folding lifting lug rotation limiting device, wherein the lifting lug is rotatably installed on a cabin body through a shaft, a protrusion is arranged on the lifting lug, in the rotation process, the protrusion structure is in contact with the cabin body to limit rotation, and the same device is reversely installed on the other side to limit relative movement of a missile.
The prior art has the following disadvantages:
(1) The existing hoisting crawler-type hydraulic excavator adopts a steel wire rope to penetrate through the bottom of a lower frame, when the hydraulic excavator is hoisted, the steel wire rope and the frame can slide relatively, the whole excavator shakes in the air, and the safety is low.
(2) For the scheme of welding the lifting lugs on the longitudinal beam, the lifting lugs generally do not extend out of the outer edge of the track, and the wide track is used to collide with a steel wire rope, so that the machine is damaged; when the lifting lug extends out of the outer edge of the crawler, the passing performance of the whole machine is affected, particularly under the condition of width limitation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a folding lug and excavator.
In order to solve the prior art problem, the utility model discloses a folding lifting lug, which comprises a mounting seat component, a lifting lug component and a pin shaft component; the mounting seat assembly comprises a first side plate, a baffle and a second side plate, the first side plate is connected with the second side plate through the baffle, and a cavity for accommodating the lifting lug assembly is formed between the first side plate and the second side plate; the pin shaft assembly comprises a pin shaft; the lifting lug assembly comprises a first connecting plate, a lifting shaft and a second connecting plate, the first connecting plate is rotatably connected with the second side plate through a pin shaft, the second connecting plate is rotatably connected with the first side plate through a pin shaft, and the lifting shaft is arranged between the first connecting plate and the second connecting plate;
during hoisting, the first connecting plate and the second connecting plate are rotated, the hoisting shaft extends out of a cavity between the first side plate and the second side plate, and the first connecting plate and the second connecting plate are abutted to the baffle;
when the lifting lug assembly is not required to be hoisted, the lifting lug assembly is integrally accommodated in the cavity between the first side plate and the second side plate.
Furthermore, the end of the pin shaft is provided with a pin shaft fixing plate, and the pin shaft is fixed on the first side plate or the second side plate through the pin shaft fixing plate.
Further, still include the bolt, the round pin axle fixed plate passes through the bolt fastening in first curb plate or second curb plate.
The second connecting plate and the first connecting plate are connected with each other, and/or the first connecting plate and the second connecting plate are provided with threaded holes for the butterfly bolts to be screwed in; when hoisting is not needed, the butterfly bolt is screwed into the second connecting plate and the threaded hole for connecting the first side plate and/or the first connecting plate and the second side plate, and the lifting lug assembly is fixed in the cavity between the first side plate and the second side plate; during hoisting, the butterfly bolt penetrates through the first side plate to limit the second connecting plate and/or penetrates through the second side plate to limit the first connecting plate.
Further, the first side plate and the second side plate are connected with the baffle plate in a welding mode.
Furthermore, the first connecting plate and the second connecting plate are provided with through holes for connecting a hanging shaft, one end of the hanging shaft is arranged in the through hole of the first connecting plate and is welded and fixed, and the other end of the hanging shaft is arranged in the through hole of the second connecting plate and is welded and fixed.
Furthermore, the root parts of the first connecting plate and the second connecting plate are arc-shaped.
Correspondingly, the two sides of the frame system of the excavator are respectively provided with a longitudinal beam, and the longitudinal beam is provided with a plurality of the folding lifting lugs.
Correspondingly, the two sides of a frame system of the excavator are respectively provided with a longitudinal beam, one end of each longitudinal beam is provided with a guide seat, the other end of each longitudinal beam is provided with a driving seat, the excavator further comprises four folding lifting lugs, two folding lifting lugs are arranged on each longitudinal beam on each side, one of the two folding lifting lugs on the same side of the longitudinal beam is close to the guide seat, and the other folding lifting lug is close to the driving seat.
Further, the mounting seat assembly of the folding lifting lug is welded with the vertical plate of the driving seat.
The utility model discloses beneficial effect who has:
(1) The lifting lug structure is added, the problem that the steel wire rope is difficult to slide and balance during lifting is solved, and the lifting danger of the excavator is reduced;
(2) The foldable lifting lugs ensure the trafficability of the whole vehicle, and the design that the foldable lifting lugs extend out of the crawler in an unfolded state avoids the phenomenon that a steel wire rope shakes to damage a machine;
(3) The assembled lifting lug can realize the matching problem of replacing a wide crawler belt or a special lifting hook, and the practicability and the applicability are improved.
Drawings
Fig. 1 is a schematic view illustrating the installation of the frame system and the folding lifting lug of the present invention;
fig. 2 is an explosion diagram illustrating the installation of the folding lifting lug of the present invention;
fig. 3 is the unfolding state diagram of the folding lifting lug of the utility model.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 2-3, the folding lug of the present invention, the folding lug 5 mainly comprises three parts, namely, a mounting seat assembly 5-1, a lug assembly 5-2 and a pin assembly 5-3;
the mounting seat assembly 5-1 comprises a first side plate 101, a baffle plate 102 and a second side plate 103, wherein the first side plate 101 is connected with the second side plate 103 through the baffle plate 102, and a cavity for accommodating the lifting lug assembly 5-2 is formed between the first side plate 101 and the second side plate 103;
the pin shaft assembly 5-3 comprises a pin shaft 301;
the lifting lug assembly 5-2 comprises a first connecting plate 201, a lifting shaft 202 and a second connecting plate 203, wherein the first connecting plate 201 is rotatably connected with the second side plate 103 through a pin 301, the second connecting plate 203 is rotatably connected with the first side plate 101 through a pin 301, and the lifting shaft 202 is arranged between the first connecting plate 201 and the second connecting plate 203;
during hoisting, the first connecting plate 201 and the second connecting plate 203 are rotated, the hoisting shaft 202 extends out of a cavity between the first side plate 101 and the second side plate 103, and the first connecting plate 201 and the second connecting plate 203 are abutted to the baffle plate 102;
when the lifting lug assembly 5-2 is not required to be lifted, the lifting lug assembly is integrally accommodated in the cavity between the first side plate 101 and the second side plate 103.
When the mounting seat assembly is specifically applied to an excavator, the mounting seat assembly 5-1 does not protrude out of the outer edge of the excavator track, the width of the excavator cannot be expanded when the mounting seat assembly is not required to be hoisted, good trafficability characteristic of the excavator is ensured, the hoisting shaft 202 protrudes out of the outer edge of the excavator track only when the mounting seat assembly is hoisted, and damage to the excavator track in the hoisting process is avoided
For convenience in assembly, a pin fixing plate 302 is disposed at an end of the pin 301, and the pin 301 is fixed to the first side plate 101 or the second side plate 103 through the pin fixing plate 302. The bolt 5-4 is further included, and the pin shaft fixing plate 302 is fixed to the first side plate 101 or the second side plate 103 through the bolt 5-4.
The utility model discloses a folding lug still includes butterfly bolt 5-5 for keep the expansion state and the fold condition of lug subassembly 5-2. The second connecting plate 203 and the first side plate 101 and/or the first connecting plate 201 and the second side plate 103 are provided with threaded holes for the butterfly bolts 5-5 to be screwed in; when hoisting is not needed, the butterfly bolt 5-5 is screwed into the second connecting plate 203 and the threaded hole for connecting the first side plate 101 and/or the first connecting plate 201 and the second side plate 103, so that the lifting lug assembly 5-2 is fixed in the cavity between the first side plate 101 and the second side plate 103; as shown in fig. 3, during hoisting, the butterfly bolt 5-5 passes through the first side plate 101 to limit the second connecting plate 203 and/or passes through the second side plate 103 to limit the first connecting plate 201.
The first side plate 101 and the second side plate 103 are connected with the baffle plate 102 through welding; the first connecting plate 201 and the second connecting plate 203 are provided with through holes for connecting the hanging shaft 202, one end of the hanging shaft 202 is arranged in the through hole of the first connecting plate 201 and is welded and fixed, and the other end of the hanging shaft 202 is arranged in the through hole of the second connecting plate 203 and is welded and fixed; has good rigidity.
The root parts of the first connecting plate 201 and the second connecting plate 203 are arc-shaped, so that smooth friction is formed between the first connecting plate and the bottom of the baffle plate 102, and gaps are reduced.
Adopt the utility model discloses an excavator of folding lug 5 can set up it on the longeron 6 of 1 both sides of frame system as required, sets up two folding lugs 5 on the longeron 6 of preferred every side, lies in and is close to with two folding lugs 5 of longeron 6 one of same side guide holder 4, another are close to and drive seat 7. The device has good balance during hoisting.
And the mounting seat assembly 5-1 of the folding lifting lug 5 is welded with a vertical plate of the driving seat 7. To improve the coupling strength of the mount assembly 5-1.
It should be noted that, in this document, 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. Also, 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. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In addition, in the drawings of the present invention, the filling pattern is only for distinguishing the pattern layer, and is not limited to any other pattern.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A folding lifting lug, characterized in that the folding lifting lug (5) comprises a mounting seat component (5-1), a lifting lug component (5-2) and a pin shaft component (5-3); the mounting seat assembly (5-1) comprises a first side plate (101), a baffle plate (102) and a second side plate (103), the first side plate (101) is connected with the second side plate (103) through the baffle plate (102), and a cavity for accommodating the lifting lug assembly (5-2) is formed between the first side plate (101) and the second side plate (103); the pin shaft assembly (5-3) comprises a pin shaft (301); the lifting lug assembly (5-2) comprises a first connecting plate (201), a lifting shaft (202) and a second connecting plate (203), the first connecting plate (201) is rotatably connected with the second side plate (103) through a pin shaft (301), the second connecting plate (203) is rotatably connected with the first side plate (101) through the pin shaft (301), and the lifting shaft (202) is arranged between the first connecting plate (201) and the second connecting plate (203);
during hoisting, the first connecting plate (201) and the second connecting plate (203) are rotated, the hoisting shaft (202) extends out of a cavity between the first side plate (101) and the second side plate (103), and the first connecting plate (201) and the second connecting plate (203) are abutted to the baffle (102);
when the lifting lug assembly (5-2) is not required to be hoisted, the lifting lug assembly is integrally accommodated in a cavity between the first side plate (101) and the second side plate (103).
2. The folding ear according to claim 1, characterized in that the end of the pin (301) is provided with a pin fixing plate (302), and the pin (301) is fixed to the first side plate (101) or the second side plate (103) through the pin fixing plate (302).
3. The folding lug according to claim 2, further comprising a bolt (5-4), wherein the pin fixing plate (302) is fixed to the first side plate (101) or the second side plate (103) by the bolt (5-4).
4. The folding lug according to claim 1, further comprising a thumb screw (5-5), wherein the second connecting plate (203) and the first side plate (101) and/or the first connecting plate (201) and the second side plate (103) are provided with threaded holes for screwing the thumb screw (5-5) in; when the lifting is not needed, the butterfly bolt (5-5) is screwed into the second connecting plate (203) and the threaded hole for connecting the first side plate (101) and/or the first connecting plate (201) and the second side plate (103), and the lifting lug assembly (5-2) is fixed in the cavity between the first side plate (101) and the second side plate (103); during hoisting, the butterfly bolts (5-5) penetrate through the first side plate (101) to limit the second connecting plate (203) and/or penetrate through the second side plate (103) to limit the first connecting plate (201).
5. The folding ear according to claim 1, characterized in that said first side plate (101) and said second side plate (103) are connected to said flap (102) by means of welding.
6. The folding lifting lug according to claim 1, wherein the first connecting plate (201) and the second connecting plate (203) are provided with through holes for connecting the lifting shafts (202), one end of each lifting shaft (202) is arranged in the through hole of the first connecting plate (201) and is fixed by welding, and the other end of each lifting shaft (202) is arranged in the through hole of the second connecting plate (203) and is fixed by welding.
7. A folding tab according to claim 1, characterized in that the root portions of said first and second webs (201, 203) are rounded.
8. An excavator, the frame system (1) of which is provided with longitudinal beams (6) on both sides, characterized in that the longitudinal beams (6) are provided with a plurality of folding lifting lugs (5) according to any one of claims 1 to 7.
9. An excavator, the frame system (1) both sides of excavator are equipped with longeron (6) respectively, longeron (6) one end is equipped with guide holder (4), and the other end is equipped with drive seat (7), characterized by, still include four folding lug (5) according to any one of claims 1-7, set up two folding lug (5) on longeron (6) of each side, lie in with one two folding lug (5) of longeron (6) of one side near guide holder (4), the other is near drive seat (7).
10. An excavator according to claim 9, wherein the mounting seat assembly (5-1) of the folding lifting lug (5) is welded to the vertical plate of the driving seat (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222231506.6U CN218405627U (en) | 2022-08-24 | 2022-08-24 | Folding lifting lug and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222231506.6U CN218405627U (en) | 2022-08-24 | 2022-08-24 | Folding lifting lug and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218405627U true CN218405627U (en) | 2023-01-31 |
Family
ID=85027906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222231506.6U Active CN218405627U (en) | 2022-08-24 | 2022-08-24 | Folding lifting lug and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218405627U (en) |
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2022
- 2022-08-24 CN CN202222231506.6U patent/CN218405627U/en active Active
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