CN103318282B - Crawler body and crawler crane - Google Patents
Crawler body and crawler crane Download PDFInfo
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- CN103318282B CN103318282B CN201210080076.0A CN201210080076A CN103318282B CN 103318282 B CN103318282 B CN 103318282B CN 201210080076 A CN201210080076 A CN 201210080076A CN 103318282 B CN103318282 B CN 103318282B
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Abstract
The present invention relates to a kind of crawler body, comprise track frame, be arranged on the drive wheel of described track frame end, be arranged on the caterpillar block that multiple caterpillar wheel bottom described track frame and envelope described drive wheel, described multiple caterpillar wheel and described track frame, the rolling friction structure can rolled with described caterpillar block motion is wherein set between described drive wheel and the caterpillar wheel near the distalmost end of described drive wheel.The invention still further relates to a kind of crawler crane with this crawler body.Rolling friction structure is provided with between drive wheel and the caterpillar wheel of distalmost end in the present invention, this structure can be rolled along with caterpillar block motion, thus the space not only served between drive wheel and the caterpillar wheel of distalmost end leans caterpillar block, suppress the effect of gnawing tooth phenomenon, and have also been changed original main cliding friction mode, and change into main friction of rolling mode, this mode can be avoided producing more serious wearing and tearing between track frame and caterpillar block effectively.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of crawler body and crawler crane.
Background technology
Along with the development of crawler crane, the various structural arrangement of crawler crane, function to be achieved more and more refinement, more and more pay attention to for detailed design.
In the design of track frame, in order to various cause specific, such as, in order to reduce walking turning propulsive effort, the distance of the ground connection caterpillar wheel reducing lie farthest away two ends in ground connection caterpillar wheel may be needed.But simultaneously structure design also may have certain particular/special requirement, such as, adopt monolateral two rear and front end of driving when all arranging driving speed reducer, have the mounting arrangements problem of the activity-driven frame of tensioning function concurrently, causing can not be close to distalmost end caterpillar wheel by drive wheel.In this case, larger space can be formed between drive wheel and distalmost end caterpillar wheel.
As shown in Figure 1, larger space is had between distalmost end caterpillar wheel a2 and drive wheel a5, during hoofing part, the caterpillar block a3 of this position, space will upwards arch upward, caterpillar block a3 is caused to produce difficulty with engaging of drive wheel a5, and then make caterpillar block a3 and drive wheel a5 generation gnaw tooth phenomenon, and cause the comparatively severe wear of track frame a1 and caterpillar block a3, cause the unnecessary loss being difficult to repair.
In order to address this problem, have employed the mode increasing fixed type pressing plate at present, see Fig. 1, the structure of the fixed type pressing plate a4 that structure welding that is direct and track frame a1 is integrated is added between distalmost end caterpillar wheel a2 and drive wheel a5, this structure can push down at crawler vehicle walking states the caterpillar block a3 arched upward, prevent caterpillar block a3 from arching upward, to avoid the problem of gnawing tooth.But under crawler travel state, between the a4 meeting of fixed type pressing plate and caterpillar block a3, produce rigid friction, cause caterpillar block a3 and be welded with the severe wear of unrepairable of track frame a1 of fixed type pressing plate a4, thus cause larger economic loss.
Summary of the invention
The object of the invention is to propose a kind of crawler body and crawler crane, can suppress between caterpillar block and drive wheel gnaw the generation of tooth phenomenon while, avoid the comparatively severe wear produced between track frame and caterpillar block.
For achieving the above object, the invention provides a kind of crawler body, comprise track frame, be arranged on the drive wheel of described track frame end, be arranged on the caterpillar block that multiple caterpillar wheel bottom described track frame and envelope described drive wheel, described multiple caterpillar wheel and described track frame, the rolling friction structure can rolled with described caterpillar block motion is wherein set between described drive wheel and the caterpillar wheel near the distalmost end of described drive wheel.
Further, described rolling friction structure is at least one floated roller, and the S. A. of described floated roller is arranged on described track frame.
Further, described rolling friction structure is single with described supporting wheel structure and measure-alike floated roller.
Further, the lower rim height of described floated roller is in the lower common tangent of the cylindrical of the caterpillar wheel of described drive wheel and distalmost end, or the lower common tangent of cylindrical higher than the caterpillar wheel of described drive wheel and distalmost end.
Further, described rolling friction structure is the floated roller that multiple and described supporting wheel structure and size are different.
Further, described in each, the lower rim height of floated roller is all not less than the lower common tangent of the cylindrical of the caterpillar wheel of described drive wheel and distalmost end.
Further, described rolling friction structure comprises at least one bracing frame, one end of support frame as described above is fixed on the track frame between described drive wheel and the caterpillar wheel of distalmost end, and other one end of support frame as described above is provided with at least one rotating caterpillar block top roller.
In technique scheme, rolling friction structure is provided with between drive wheel and the caterpillar wheel of distalmost end, this structure can be rolled along with caterpillar block motion, thus the space not only served between drive wheel and the caterpillar wheel of distalmost end leans caterpillar block, suppress the effect of gnawing tooth phenomenon, simultaneously also by original cliding friction mode, change into friction of rolling mode, this mode can be avoided producing more serious wearing and tearing between track frame and caterpillar block effectively.
In a specific embodiment, described rolling friction structure is at least one floated roller, and the S. A. of described floated roller is arranged on described track frame.Stable be arranged on floated roller on track frame need not bearing load when hoisting operation, it act as and rolls along with seesawing of caterpillar block, avoids the wearing and tearing causing track frame, caterpillar block, drive wheel unrepairable.Simultaneously floated roller also serves and leans caterpillar block and make it arch upward or can not arch upward excessive and avoid causing the effect of gnawing tooth.
In a specific embodiment, described rolling friction structure is single with described supporting wheel structure and measure-alike floated roller.Adopt the floated roller with caterpillar wheel same structure and size, be convenient to manufacture, replace and buying.And under this configuration, the lower rim height of floated roller can be in the lower common tangent of the cylindrical of the caterpillar wheel of described drive wheel and distalmost end, or the lower common tangent of cylindrical higher than the caterpillar wheel of described drive wheel and distalmost end.The lower rim height of floated roller like this can make floated roller be unlikely to have influence on the proper motion of caterpillar block.
In a specific embodiment, described rolling friction structure can also replace with multiple floated roller being less than described caterpillar wheel size.Adopt this structure or single floated roller depends primarily on concrete crawler body structure.When adopt multiple be less than the floated roller structure of described caterpillar wheel size time, the lower rim height of floated roller described in each all can be not less than the lower common tangent of the cylindrical of the caterpillar wheel of described drive wheel and distalmost end, to avoid the proper motion having influence on caterpillar block.
In a specific embodiment, described rolling friction structure comprises at least one bracing frame, one end of support frame as described above is fixed on the track frame between described drive wheel and the caterpillar wheel of distalmost end, and other one end of support frame as described above is provided with at least one rotating caterpillar block top roller.Although this structure is different from the floated roller in previous embodiments, but still can realize leaning effect to caterpillar block, and the function of moving along with caterpillar block and rolling, therefore can realize equally suppressing the generation of gnawing tooth phenomenon between caterpillar block and drive wheel, and avoid the comparatively severe wear between track frame and caterpillar block.
For achieving the above object, the invention provides a kind of crawler crane with aforementioned arbitrary crawler body.
In technique scheme, because crawler body of the present invention has above-mentioned technique effect, the crawler crane therefore with this crawler body also should possess corresponding technique effect.
In sum, gnaw the generation of tooth phenomenon between the caterpillar block that crawler body provided by the present invention can suppress caterpillar block to arch upward to cause effectively and drive wheel, and avoid between track frame and caterpillar block, producing comparatively severe wear.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the local structure schematic diagram of the track frame with fixed type pressing plate in prior art.
Fig. 2 is the local structure schematic diagram of an embodiment of crawler body of the present invention.
Fig. 3 is the scheme of installation of Fig. 2 embodiment.
Fig. 4 is position and the size relationship schematic diagram of each parts in Fig. 2 embodiment.
Detailed description of the invention
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
In the present invention, consider that original fixed type pressing plate rotates owing to cannot produce along with the motion of caterpillar block or rolls, therefore can produce rigid cliding friction with caterpillar block, between the track frame causing caterpillar block and be welded fixed type pressing plate, produce the severe wear of unrepairable.Therefore change pressing plate in the present invention and can not produce the structure of rotating or rolling along with the motion of caterpillar block, use the rolling friction structure that can rotate or roll to carry out alternative existing fixed type pressing plate.
In an embodiment of the present invention, crawler body comprises track frame, is arranged on the drive wheel of described track frame end, is arranged on the caterpillar block that multiple caterpillar wheel bottom described track frame and envelope described drive wheel, described multiple caterpillar wheel and described track frame.Certainly in addition to these components, also comprise the parts of other crawlers body, such as driving engine, walking pump, motor, upper track wheel and reductor etc., due to these parts with of the present invention conceive associate little, here just do not detail, these parts all can adopt existing technology to realize.
As shown in Figure 2, be the local structure schematic diagram of an embodiment of crawler body of the present invention.In fig. 2, drive wheel 1 and caterpillar wheel 3 are arranged on track frame 4 jointly.See Fig. 3, caterpillar block 6 envelope drive wheel 1, caterpillar wheel 3, track frame 4 etc., and forms an entirety with drive wheel 1, caterpillar wheel 3, track frame 4.During crawler crane walking, driving engine, walking pump, motor, reductor combined action order about drive wheel 1 and rotate, and realize the walking of complete machine by the tooth on drive wheel 1 and the engaging of tooth of caterpillar block 6.Between drive wheel 1 and the caterpillar wheel 3 near the distalmost end of drive wheel, be provided with single floated roller 2, the structure of this floated roller 2 and caterpillar wheel 3 and measure-alike, be convenient to manufacture, replace and buying.This floated roller 2 achieves and moves along with caterpillar block 6 and the rolling friction structure of rolling.
As shown in Figures 3 and 4, the scheme of installation of Fig. 2 embodiment and the position of each parts and size relationship schematic diagram is respectively.The S. A. of floated roller 2 and caterpillar wheel 3 all side by side be arranged on track frame 4, wherein caterpillar wheel 3 has multiple, wherein floated roller 2 in caterpillar wheel 3 near between the caterpillar wheel 3 of the distalmost end of drive wheel 1 and drive wheel 1.
Floated roller 2 is different from caterpillar wheel 3, its when hoisting operation without the need to bearing load, its effect leans caterpillar block to prevent it from upwards arching upward or to stop that it upwards arches upward too high when crawler crane is walked, and that effectively can avoid caterpillar block 6 like this gnaws tooth phenomenon.When caterpillar block 6 contacts with floated roller 2 simultaneously, along with seesawing of caterpillar block 6, corresponding drive floated roller 2 cw or rotate counterclockwise, in this course, the friction mainly friction of rolling of caterpillar block 6 and floated roller 2, the wearing and tearing of this mode to floated roller 2 and caterpillar block 6 are all smaller, even and if cause certain wearing and tearing, also can extend the life-span of crawler body by changing the mode of floated roller 2.
In addition, Fig. 3 and Fig. 4 also show the lower rim height of floated roller, it is usually a little more than the lower rim height of caterpillar wheel, and a little less than the lower rim height of drive wheel, as a rule, the lower rim height of floated roller should be in the lower common tangent of the cylindrical of the caterpillar wheel of described drive wheel and distalmost end, or the lower common tangent of cylindrical higher than the caterpillar wheel of described drive wheel and distalmost end.If the too low proper motion that may have influence on caterpillar block of the lower rim height of this floated roller.
Except the rolling friction structure of the single floated roller that Fig. 2-4 introduces, other embodiments of the present invention can also adopt the structure of plural floated roller, and the S. A. of these floated rollers is arranged on track frame.In order to multiple floated roller can be settled, the size of floated roller can be reduced, be less than the caterpillar wheel size of standard, floated roller that also can be different according to specific requirement choice structure, or the floated roller that size is larger.Distance such as between drive wheel and distalmost end caterpillar wheel is longer, and single floated roller may be difficult to reach desired effect, then can arrange multiple floated roller to overcome this problem.Usually require that these floated roller lower rim height are all not less than the lower common tangent of the cylindrical of the caterpillar wheel of described drive wheel and distalmost end, in order to avoid have influence on the proper motion of caterpillar block.
Except the rolling friction structure of the floated roller of above-mentioned introduction, adopt other implementation structures of the technical conceive of friction of rolling to be applicable to the present invention too, solve the technical problem to be solved in the present invention.Such as adopt following structure, rolling friction structure comprises at least one bracing frame, one end of support frame as described above is fixed on the track frame between described drive wheel and the caterpillar wheel of distalmost end, and other one end of support frame as described above is provided with at least one rotating caterpillar block top roller.These caterpillar block top rollers can roll along with the motion of caterpillar block, equally also can reach and lean the problem that caterpillar block prevents from caterpillar block from arching upward gnawing tooth, and also can avoid the comparatively severe wear between track frame and caterpillar block.
Present invention also offers a kind of crawler crane with the crawler body of foregoing description, because aforementioned crawler body has technique effect described above, the crawler crane therefore with this crawler body also should possess corresponding technique effect, just introduces no longer in detail at this.
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 to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (6)
1. a crawler body, comprise track frame, be arranged on the drive wheel of described track frame end, be arranged on the caterpillar block that multiple caterpillar wheel bottom described track frame and envelope described drive wheel, described multiple caterpillar wheel and described track frame, it is characterized in that, the rolling friction structure can rolled with described caterpillar block motion is set between described drive wheel and the caterpillar wheel near the distalmost end of described drive wheel;
Described rolling friction structure is at least one floated roller, and the S. A. of described floated roller is arranged on described track frame;
Tooth on described drive wheel engages the walking that can realize complete machine with the tooth of described caterpillar block.
2. crawler body according to claim 1, is characterized in that, described rolling friction structure is single with described supporting wheel structure and measure-alike floated roller.
3. crawler body according to claim 2, it is characterized in that, the lower rim height of described floated roller is in the lower common tangent of the cylindrical of the caterpillar wheel of described drive wheel and distalmost end, or the lower common tangent of cylindrical higher than the caterpillar wheel of described drive wheel and distalmost end.
4. crawler body according to claim 1, is characterized in that, described rolling friction structure is the floated roller that multiple and described supporting wheel structure and size are different.
5. crawler body according to claim 4, is characterized in that, described in each, the lower rim height of floated roller is all not less than the lower common tangent of the cylindrical of the caterpillar wheel of described drive wheel and distalmost end.
6. one kind has the crawler crane of the arbitrary described crawler body of Claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210080076.0A CN103318282B (en) | 2012-03-23 | 2012-03-23 | Crawler body and crawler crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210080076.0A CN103318282B (en) | 2012-03-23 | 2012-03-23 | Crawler body and crawler crane |
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| Publication Number | Publication Date |
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| CN103318282A CN103318282A (en) | 2013-09-25 |
| CN103318282B true CN103318282B (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210080076.0A Active CN103318282B (en) | 2012-03-23 | 2012-03-23 | Crawler body and crawler crane |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921855A (en) * | 2014-04-22 | 2014-07-16 | 徐工集团工程机械股份有限公司 | Compression roller device for crawler track unit, crawler track unit and hoisting equipment |
| CN111703516B (en) * | 2020-06-16 | 2022-03-29 | 常州市华谷机械科技有限公司 | Longitudinal beam structure of crawler frame and manufacturing process thereof |
| CN112340617A (en) * | 2020-12-09 | 2021-02-09 | 无锡市波茂科技有限公司 | Crawler frame with reinforcing web structure for crane |
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|---|---|---|---|---|
| JP2010132136A (en) * | 2008-12-04 | 2010-06-17 | Bridgestone Corp | Crawler traveling device |
| CN201619623U (en) * | 2010-01-29 | 2010-11-03 | 长沙中联重工科技发展股份有限公司 | Crawler crane and crawler travel system thereof |
| CN201761560U (en) * | 2010-09-10 | 2011-03-16 | 佳木斯煤矿机械有限公司 | Tunneling machine composite walking mechanism device |
| JP2011088519A (en) * | 2009-10-21 | 2011-05-06 | Sumitomo Rubber Ind Ltd | Elastic crawler vehicle |
| CN202641902U (en) * | 2012-03-23 | 2013-01-02 | 徐工集团工程机械股份有限公司 | Crawler chassis and crawler crane |
-
2012
- 2012-03-23 CN CN201210080076.0A patent/CN103318282B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010132136A (en) * | 2008-12-04 | 2010-06-17 | Bridgestone Corp | Crawler traveling device |
| JP2011088519A (en) * | 2009-10-21 | 2011-05-06 | Sumitomo Rubber Ind Ltd | Elastic crawler vehicle |
| CN201619623U (en) * | 2010-01-29 | 2010-11-03 | 长沙中联重工科技发展股份有限公司 | Crawler crane and crawler travel system thereof |
| CN201761560U (en) * | 2010-09-10 | 2011-03-16 | 佳木斯煤矿机械有限公司 | Tunneling machine composite walking mechanism device |
| CN202641902U (en) * | 2012-03-23 | 2013-01-02 | 徐工集团工程机械股份有限公司 | Crawler chassis and crawler crane |
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| CN103318282A (en) | 2013-09-25 |
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