CN203382356U - Self-assembling and disassembling adjustable lifting point device for self-assembly and disassembly of crawler frame and crawler crane - Google Patents
Self-assembling and disassembling adjustable lifting point device for self-assembly and disassembly of crawler frame and crawler crane Download PDFInfo
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- CN203382356U CN203382356U CN201320279838.XU CN201320279838U CN203382356U CN 203382356 U CN203382356 U CN 203382356U CN 201320279838 U CN201320279838 U CN 201320279838U CN 203382356 U CN203382356 U CN 203382356U
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- lifting plate
- lifting
- bearing pin
- track frame
- point device
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Abstract
The utility model relates to a self-assembling and disassembling adjustable lifting point device for a crawler frame and a crawler crane. The device comprises two support lugs, a lifting plate with two through holes, a first pin shaft, a first clamp and a shackle, wherein the two support lugs are welded on the crawler frame; the lifting plate is arranged between the two support lugs; the first pin shaft is inserted into the support lug on one side, sequentially penetrates through the through hole in one side of the lifting plate and the support lug on the other side, and is fastened by using the first clamp; the through hole in the other side of the lifting plate is connected with the shackle. The device also comprises adjusting suspension loops, wherein the adjusting suspension loops are suspended on the two support lugs and the first pin shaft between the support lugs and the lifting plate, and pressing forces in the opposite directions are applied to the two sides of the lifting plate to fix the lifting plate on the first pin shaft. According to the device, the position of the lifting plate can be more conveniently regulated, and the crawler frame can be kept stable and prevented from being swayed in assembling and disassembling processes, which is favorable for assembly and disassembly.
Description
Technical field
The utility model relates to middle large-tonnage crawler crane lifting field, relates in particular to a kind of track frame and can regulate lifting-point device and be provided with this track frame from dismounting and can regulate the crawler crane of lifting-point device from dismounting.
Background technology
In industry, crawler frame of crawler crane is varied from the dismounting form at present.According to the quantitative classification of suspension centre have any hang, 2 hang, 3 hang with 4 and hang.Whether can regulate to be divided into according to lifting point and can regulate and unadjustable two kinds of forms.The Principles of Regulation that adopt are all identical,, by regulating the suspension centre geometric centre, make it to coincide with the geometric centre of track frame.
As shown in Fig. 1 a-1c, more not shown form of hanging, any hangs needs to use hoisting fixture; What Fig. 1 a showed is 2 forms of hanging, and 2 are hung as the bilateral symmetry layout, can regulate the position of lifting; What Fig. 1 b showed is 3 forms of hanging, and 3 are hung is suspension centre of a side, two suspension centres of opposite side; What Fig. 1 c showed is 4 forms of hanging, and hangs minute both sides full symmetric layout and both sides at 4 o'clock and not exclusively is arranged symmetrically with two kinds of forms.No matter be to adopt which kind of suspension centre form, as long as guarantee that the geometric centre of suspension centre and the center of track frame coincide.
Because crawler crane is walked for a long time, cause the caterpillar block wearing and tearing, crawler belt fluffs, and correspondingly needs the lifting rope in lifting-point device is carried out to tensioning, and the center of gravity of track frame also can be offset thereupon.So, adjustable version for use after a period of time guarantee track frame from dismounting steadily, fast necessary.
As shown in Fig. 2-6, what in figure, show is 4 forms of hanging, and is subject to the impact of crawler crane complete vehicle structure, and inboard lifting-point device is arranged to fixed, and the lifting-point device in the outside is arranged to adjustable.Each adjustable lifting-point device 1 ' in the outside comprises adjustment ring 15 ' and a shackle 16 ' of two journal stirrups 11 ', a lifting plate 12 ', first bearing pin 13 ', the first clamp 14 ', different-thickness, wherein: two journal stirrups 11 ' are welded on track frame 2 ', and, through hole on two journal stirrups 11 ' is oppositely arranged, and the axial line of the through hole on the through hole of lifting plate 12 ' one side and two journal stirrups 11 ' aligns.The first bearing pin 13 ' penetrates from the outside of a journal stirrup 11 ', by lifting plate 12 ', from the outside of another journal stirrup 11 ', passes, and then adopts the first clamp 14 ' fixing.Shackle 16 ' is connected in the through hole of lifting plate 12 ' opposite side, for connecting lifting rope 3 '.Lifting plate 12 ' can slide along the first bearing pin 13 ', by the slip of lifting plate 12 ' on the first bearing pin 13 ', the geometric centre that just can regulate four lifting-point devices on track frame.The first bearing pin 13 ' that adjustment ring 15 ' is set between two journal stirrups 11 ' is upper, for the position of the lifting plate 12 ' to after adjusting, is fixed.
But, when the lifting plate 12 ' in above-mentioned lifting-point device is readjusted, need to be set in the first bearing pin 13 ' outer adjustment ring 15 ' and take off, just can readjust the lifting position of plate 12 ' on the first bearing pin 13 '.In this case, need a people to hold lifting plate 12 ' and prevent from falling down, other two people will take into account adjustment ring 15 ' simultaneously, and dismounting is cumbersome.
The utility model content
The purpose of this utility model is to propose a kind of easier track frame of position adjustment that lifts plate can regulate lifting-point device and crawler crane from dismounting.
For achieving the above object, the utility model provides following technical scheme:
A kind of track frame can be regulated lifting-point device from dismounting, comprises journal stirrup, has lifting plate, the first bearing pin, the first clamp and the shackle of two through holes, and wherein: two described journal stirrups are welded on track frame; Described lifting plate is placed between two described journal stirrups; Described the first bearing pin penetrates from the described journal stirrup of a side, successively through the through hole of described lifting plate one side and the described journal stirrup of opposite side, and with described the first clamp fastening; The through hole of described lifting plate opposite side connects described shackle; It comprises the adjustment hangers; Described adjustment hangers hangs on described the first bearing pin between two described journal stirrups and described journal stirrup and lifting plate, applies thrust in opposite directions in the both sides of described lifting plate and makes described lifting plate fixing on described the first bearing pin.
Further, described adjustment hangers comprises curve and connecting portion, and wherein: described curve and connecting portion are one-body molded; The curvature of the curvature of described curve and described the first bearing pin is suitable.
Further, also comprise the second bearing pin; The connecting portion of described journal stirrup, lifting plate and adjustment hangers all offers the through hole that wears described the second bearing pin, and described the second bearing pin is by the second clamp fastening.
Further, the thickness of described adjustment hangers comprises 20mm, 30mm, 50mm and 60mm.
The utility model also provides a kind of crawler crane, and it comprises that the track frame in the various embodiments described above can regulate lifting-point device from dismounting.
Arbitrary technical scheme based in technique scheme, the utility model embodiment at least can produce following technique effect:
Because the utility model can be regulated on the existing structure basis of lifting-point device from dismounting at track frame, utilize the adjustment hangers to replace existing adjustment ring, and will adjust hangers and hang on the first bearing pin between two journal stirrups and journal stirrup and lifting plate, apply thrust in opposite directions just can to make to lift plate fixing on the first bearing pin in the both sides of lifting plate, therefore, when the position of lifting plate need to be adjusted, in the situation that the first bearing pin does not take off, only need to change different-thickness or take off the adjustment hangers to get final product, with existing lifting-point device, using adjustment ring need to take off the loaded down with trivial details defect of dismounting that the first bearing pin brings when adjusting the lifting Board position compares, in the utility model, the position adjustment of lifting plate is easier, guaranteed in disassembly process that track frame is steadily without rocking, be convenient to fast assembling-disassembling.
In addition, the utility model also comprises the second bearing pin, and all offer at the connecting portion of journal stirrup, lifting plate and adjustment hangers the through hole that wears the second bearing pin, recycle the second clamp the second bearing pin is fastening, therefore utilizing two attachment points will lift plate is fixed in a plane, and then guarantee that on the one hand track frame does not have the first bearing pin to rock transporting the lifting plate, track frame collides with, cause the track frame surface to have cut to affect product appearance, to adjust hangers by the second bearing pin on the other hand and be through together, not only outward appearance is neat but also prevent from adjusting hangers and come off or taken away by the people.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 a, 1b, 1c are the schematic diagram of different suspension centre arrangements on track frame in prior art;
The front view that Fig. 2 is 4 track frames that hang in prior art;
The left view that Fig. 3 is 4 track frames that hang in prior art;
The birds-eye view that Fig. 4 is 4 track frames that hang in prior art;
Fig. 5 is that in prior art, track frame can be regulated the generalized section of lifting-point device from dismounting;
Fig. 6 is that track frame provided by the utility model can be regulated the structural representation of lifting-point device one embodiment from dismounting;
Fig. 7 adjusts the structural representation of hanger in Fig. 6;
The structural representation that Fig. 8 is lifting plate in Fig. 6;
Fig. 9 is provided with track frame provided by the utility model can regulate the structural representation of the track frame of lifting-point device from dismounting;
Mark in figure:
1 ', adjustable lifting-point device; 11 ', journal stirrup; 12 ', lifting plate; The 13 ', first bearing pin; The 14 ', first clamp; 15 ', adjustment ring; 16 ', shackle; 2 ', track frame;
1, journal stirrup; 2, lifting plate; 3, the first bearing pin; 4, the first clamp; 5, adjust hangers; 6, shackle; 7, the second bearing pin; 8, the second clamp; 9, lifting rope.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
As Figure 6-9, the track frame that the present embodiment provides can regulate from dismounting lifting plate 2, the first bearing pin 3, the first clamp 4, adjustment hangers 5 and the shackle 6 that lifting-point device comprises journal stirrup 1, has two through holes, wherein:
Two journal stirrups 1 are welded on track frame A above abreast, and with track frame, A is perpendicular.All there is mounting hole on two journal stirrups 1, and axial line is located on the same line.
The first bearing pin 3 and the first clamp 4 are existing device, are not described in detail in this.
Adjust the device that hangers 5 is newly established for the utility model, the position that the utility model is adjusted hangers 5 by change further changes the position that lifts plate 2, regulate the geometric centre position of lifting point by adjusting four lifting plate 2 positions, and then guarantee that lifting geometric centre position is consistent with the center-of-gravity position of track frame A.
As shown in Figure 6, adjust hangers 5 and hang on the first bearing pin 3 between two journal stirrups 1 and journal stirrup 1 and lifting plate 2, apply thrust in opposite directions in the both sides of lifting plate 2 and make to lift plate 2 and fix on the first bearing pin 3.
As shown in Figure 7, adjust hangers 5 and comprise curve 51 and connecting portion 52, wherein: curve 51 and connecting portion 52 are one-body molded.This integrated method can obtain by known the whole bag of tricks, such as adopting casting, forging or Shooting Technique etc.The curvature of the curvature of curve 51 and the first bearing pin 3 is suitable, and therefore, curve 51 can be hung on the first bearing pin 3 more securely.
Because the utility model can be regulated on the existing structure basis of lifting-point device from dismounting at track frame, utilize the adjustment hangers to replace existing adjustment ring, and will adjust hangers and hang on the first bearing pin between two journal stirrups and journal stirrup and lifting plate, apply thrust in opposite directions just can to make to lift plate fixing on the first bearing pin in the both sides of lifting plate, therefore, when the position of lifting plate need to be adjusted, in the situation that the first bearing pin does not take off, only need to change different-thickness or take off the adjustment hangers to get final product, with existing lifting-point device, using adjustment ring need to take off the loaded down with trivial details defect of dismounting that the first bearing pin brings when adjusting the lifting Board position compares, in the utility model, the position adjustment of lifting plate is easier, guaranteed in disassembly process that track frame is steadily without rocking, be convenient to fast assembling-disassembling.
In above-described embodiment, adjust hangers 5 and have the specification of different-thickness, array mode is determined according to the situation of the centre-of gravity shift of track frame A, can be also a kind of thickness specification.The thickness of adjusting hangers 5 can comprise the various thickness of 20mm, 30mm, 50mm and 60mm, in actual use procedure, in the regulated quantity situation that is 140mm, can use so the adjustment hangers 5 of 20mm, 30mm, 50mm and these several thickness of 60mm to be combined, also can adopt the adjustment hangers 5 of 7 20mm thickness.
As shown in Figure 6, in above-described embodiment, the track frame that the present embodiment provides can be regulated lifting-point device from dismounting can also comprise the second bearing pin 7, correspondingly, journal stirrup 1 offers the through hole (this through hole is not shown) that wears the second bearing pin 7, lifting plate 2 also offers the through hole 23 that wears the second bearing pin 7, and the connecting portion of adjusting hangers 5 also offers through hole 53, the second bearing pins 7 that wear the second bearing pin 7 and undertaken fastening by the second clamp 8.
When track frame provided by the utility model can be regulated the lifting-point device use from dismounting, in transportation, lifting plate 2 need to be put down, adopt the second bearing pin 7 and the second clamp 8 will lift plate 2 and adjust hangers 5 and fix, prevent from transportation lifting rocking of plate 2, knock the paint on bad track frame A surface.In working process, the second bearing pin 7 is extracted, adjusted lifting plate 2 to correct position, to adjust hangers 5 hangs on the first bearing pin 3 again, will lift the position fix tightly of plate 2, after then by shackle 6, lifting rope 9 and lifting plate 2 being fixed, plug the second bearing pin 7 and can steadily lift by crane.
The utility model also provides a kind of crawler crane, comprises that the track frame in track frame A and the various embodiments described above can be regulated lifting-point device from dismounting, and what in Fig. 9, show is 4 forms of hanging.But the utility model not only is confined to 4 forms of hanging, can also be applicable to other 3 hang, form that 2 are hung and a bit hang, use very flexible.The other parts of described crawler crane can be with reference to prior art, and this paper no longer launches to describe.Crawler crane adopts track frame provided by the utility model after dismounting can be regulated lifting-point device, not only can to the geometric centre of each suspension centre, be adjusted easily, can also reduce the working strength of adjusting the staff, effectively avoid lifting plate 2 in transportation rock the damage track frame or cause potential safety hazard.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can modify or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (5)
1. a track frame can be regulated lifting-point device from dismounting,
Comprise journal stirrup, there is lifting plate, the first bearing pin, the first clamp and the shackle of two through holes, wherein:
Two described journal stirrups are welded on track frame;
Described lifting plate is placed between two described journal stirrups;
Described the first bearing pin penetrates from the described journal stirrup of a side, successively through the through hole of described lifting plate one side and the described journal stirrup of opposite side, and with described the first clamp fastening;
The through hole of described lifting plate opposite side connects described shackle;
It is characterized in that:
Also comprise the adjustment hangers;
Described adjustment hangers hangs on described the first bearing pin between two described journal stirrups and described journal stirrup and lifting plate, applies thrust in opposite directions in the both sides of described lifting plate and makes described lifting plate fixing on described the first bearing pin.
2. track frame as claimed in claim 1 can be regulated lifting-point device from dismounting, it is characterized in that:
Described adjustment hangers comprises curve and connecting portion, wherein:
Described curve and connecting portion are one-body molded;
The curvature of the curvature of described curve and described the first bearing pin is suitable.
3. track frame as claimed in claim 2 can be regulated lifting-point device from dismounting, it is characterized in that:
Also comprise the second bearing pin;
The connecting portion of described journal stirrup, lifting plate and adjustment hangers all offers the through hole that wears described the second bearing pin, and described the second bearing pin is by the second clamp fastening.
4. track frame as claimed in claim 1 can be regulated lifting-point device from dismounting, it is characterized in that:
The thickness of described adjustment hangers comprises 20mm, 30mm, 50mm and 60mm.
5. a crawler crane is characterized in that:
Comprise that track frame as described as any one in claim 1-4 can regulate lifting-point device from dismounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320279838.XU CN203382356U (en) | 2013-05-21 | 2013-05-21 | Self-assembling and disassembling adjustable lifting point device for self-assembly and disassembly of crawler frame and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320279838.XU CN203382356U (en) | 2013-05-21 | 2013-05-21 | Self-assembling and disassembling adjustable lifting point device for self-assembly and disassembly of crawler frame and crawler crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203382356U true CN203382356U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320279838.XU Expired - Lifetime CN203382356U (en) | 2013-05-21 | 2013-05-21 | Self-assembling and disassembling adjustable lifting point device for self-assembly and disassembly of crawler frame and crawler crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203382356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016219A (en) * | 2014-05-19 | 2014-09-03 | 浙江三一装备有限公司 | Hoisting assembly and crawler frame |
-
2013
- 2013-05-21 CN CN201320279838.XU patent/CN203382356U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016219A (en) * | 2014-05-19 | 2014-09-03 | 浙江三一装备有限公司 | Hoisting assembly and crawler frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
|
| CX01 | Expiry of patent term |