CN102862914B - Support leg disc and crane - Google Patents
Support leg disc and crane Download PDFInfo
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- CN102862914B CN102862914B CN201210363521.4A CN201210363521A CN102862914B CN 102862914 B CN102862914 B CN 102862914B CN 201210363521 A CN201210363521 A CN 201210363521A CN 102862914 B CN102862914 B CN 102862914B
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- splice
- groove
- leg disc
- ball seat
- projection
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- 210000005056 cell body Anatomy 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a support leg disc, which comprises a ball seat (1) with a spherical groove on the top surface and a chassis (2) supported at the bottom of the ball seat. Wherein the tee is removably mounted to the chassis and the chassis includes a plurality of removably connected splices (20). The invention also provides a crane, which comprises the support leg disc; wherein, the ball head of the vertical oil cylinder of the supporting leg of the crane is matched with the spherical groove of the ball seat. The support leg disc can be rapidly carried and positioned, the storage space is saved, and the load distribution of the support leg disc can be adjusted and optimized.
Description
Technical field
The present invention relates to engineering machinery field, particularly, relate to a kind of leg disc and hoisting crane.
Background technology
The leg disc of hoisting crane is arranged on the bottom of the Vertical Cylinders of movable supporting legs, the contact component on supporting leg and ground during formation crane job.Because the weight of the weight of hoisting crane self and the weight of lifting is all delivered to ground by leg disc, therefore leg disc bears very large support reaction.Particularly in the hoisting crane of large-tonnage, super-tonnage, in order to enable leg disc bear larger load, usually leg disc is set to larger size.
Shown in accompanying drawing 1 is the longitudinal section of typical leg disc of the prior art.The top of leg disc is ball seat 1, and the end face of ball seat 1 has the spherical groove matched with the bulb of Vertical Cylinders.The bottom support of ball seat 1 has chassis 2.Chassis 2 has the Area of bearing being obviously greater than ball seat 1, to ensure the stability of strutting system of leg disc.The displacement that the location of leg disc adopts artificial and auxiliary jack up unit to match substantially aligns mode, and in order to disposable lifting usually leg disc is arranged to integrative-structure.But as mentioned above in the hoisting crane of large-tonnage, super-tonnage, along with the increase of the size of leg disc, its weight also increases thereupon.Like this, leg disc structure of the prior art just existence is difficult to fast removal and defect in place, thus have impact on the work efficiency of hoisting crane.
Summary of the invention
The object of this invention is to provide a kind of leg disc and hoisting crane, to realize fast removal and the location of leg disc.
To achieve these goals, the invention provides a kind of leg disc, this leg disc comprises the ball seat that end face is provided with ball recess, and is supported on the chassis of bottom of this ball seat.Wherein, ball seat is removably mounted on chassis, and chassis comprises multiple splice removably connected.
Preferably, multiple splice is multiple general splices; Wherein, each splice is provided with the spacing stitching section matched with another splice.
Preferably, spacing stitching section comprises the groove and projection that the edge along splice arranges at intervals; Wherein, on the cross-sectional plane of groove, the width of cell body is greater than the width of opening; Projection has the neck matched with the width of the opening of groove and the head matched with the width of the cell body of groove, and neck is connected between head and the edge of splice.
Preferably, groove is T slot, and the cross-sectional plane of projection is match with T slot T-shaped; Or groove is dovetail furrow, the cross-sectional plane of projection is the dovetail form matched with dovetail furrow; Or groove is C shape groove, the cross-sectional plane of projection is the C font matched with C shape groove.
Preferably, the cross-sectional plane of chassis and splice is quadrangle, and groove and projection are separately positioned on two adjacent limits of the splice of quadrangle.
Preferably, the end face of each splice is provided with knock hole, the bottom surface of ball seat is provided with the registration mast matched with knock hole.
Preferably, the diameter of knock hole is greater than the diameter of registration mast.
Preferably, ball seat and each splice are provided with the handle for carrying.
On the other hand, the present invention also provides a kind of hoisting crane, and this hoisting crane comprises above-mentioned leg disc; Wherein, the bulb of the Vertical Cylinders of the leg of hoisting crane and the ball recess of ball seat match.
By technique scheme, the invention provides a kind of knockdown leg disc.Wherein, removably connecting between ball seat and chassis, is also removably connect between each splice on chassis, thus leg disc is resolved into little, the lightweight assembly parts of multiple volume.Like this, the carrying effectively reducing leg disc and the difficulty hoisted, thus the fast removal and the location that are conducive to leg disc.In addition, each splice is set to general modular assembly, can reduce the assembling difficulty on chassis, thus improves the locating speed of leg disc further.Meanwhile, small-sized modular splice can also save the parking space of leg disc.Have again, knock hole between ball seat and chassis and the matching relationship of registration mast, the Fast Installation location between ball seat and chassis can not only be realized, can also be adjusted by the transitional slide among a small circle of registration mast in knock hole and optimize the load assignment of leg disc.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the longitudinal section of leg disc of the prior art;
Fig. 2 is the exploded perspective view of leg disc according to an embodiment of the invention;
Fig. 3 is the birds-eye view of the leg disc assembled according to an embodiment of the invention;
Fig. 4 is the block diagram of splice according to an embodiment of the invention;
Fig. 5 is the birds-eye view of the splice shown in Fig. 4.
Description of reference numerals
1 ball seat
2 chassis 20 splice 201 grooves
203 projection 2031 neck 2033 heads
205 knock holees
The width of the opening of the width T groove of the cell body of S groove
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
Referring to figs. 2 and 3, the invention provides a kind of leg disc.This leg disc comprises ball seat 1, and is supported on the chassis 2 of bottom of ball seat 1.The end face of ball seat 1 is provided with ball recess, for holding the bulb of the Vertical Cylinders of the leg of hoisting crane.During crane job, chassis 2 is placed on the ground, and the ball recess of ball seat 1 supports the bulb of the Vertical Cylinders of the leg of heavy-duty machine.According to embodiments of the invention, ball seat 1 is removably mounted on chassis 2, and chassis 2 comprises multiple splice 20 removably connected.By this, leg disc is resolved into little, the lightweight assembly parts of multiple volume by the present invention.In addition, according to embodiments of the invention, handle can be set on ball seat 1 and each splice 20.When carrying leg disc or assembling leg disc, can be operated by lift handle.Therefore, the present invention's carrying of effectively reducing leg disc and the difficulty that hoists.
With reference to figure 4 and Fig. 5, according to embodiments of the invention, splice 20 is set to general part.That is, splice 20 is modular parts, and the shape of each splice 20, size, structure are identical.When assembling, splice 20 can mate arbitrarily between two.By this, the assembling difficulty on chassis 2 can be reduced, thus improve assembling and the locating speed of leg disc further.Specifically, each splice 20 is provided with the spacing stitching section matched with another splice 20.By this spacing stitching section, every two splices 20 can be assembled mutually.Thus, multiple splice 20 can be fitted together and form chassis 2.
In more detail, according to embodiments of the invention, spacing stitching section comprises groove 201 and projection 203.That is, each splice 20 is provided with groove 201 and projection 203, and the groove 201 on a splice 20 can coordinate with projection 203 grafting on another splice 20.Specifically, groove 201 and projection 203 are arranged at intervals along the edge of splice 20.Wherein, on the cross-sectional plane of groove 201, the width S of the cell body of groove 201 is greater than the width T of the opening of groove 11.That is, the shape of the cross-sectional plane of groove 201 is shapes that opening shrinks.By this, groove 201 forms the chute with limit function.Projection 203 comprises neck 2031 and head 2033, and the position relationship of this neck 2031 and head 2033 is set to: for the edge of splice 20, and neck 2031 is near this edge, and head 2033 is away from this edge.In other words, neck 2031 is connected between the edge of splice 20 and head 2033.Further, the width of the size and shape of the neck 2031 of projection 203 and the opening of groove 201 matches, and the width of the size and shape of the head 2033 of projection 203 and the cell body of groove 201 matches.
According to above-mentioned, when two splices 20 are assembled, the head 2033 of the projection 203 of first splice 20 is suitable in the cell body of the groove 201 being contained in second splice 20, and the neck 2031 of the projection 203 of first splice 20 is suitable for extending out to cell body outside from the opening of the groove 201 of second splice 20.Further, the projection 203 of first splice 20 can slide along the bearing of trend of the groove 201 of second splice 20.Simultaneously, because the head 2033 of the projection 203 of first splice 20 cannot pass from the opening of the groove 201 of second splice 20, therefore, after the projection 203 of first splice 20 is connected with the groove 201 of second splice 20, the projection 203 of first splice 20 can only slide along the groove 201 of second splice 20, and can not depart from from groove 201 along the direction of the groove depth of the groove 201 of second splice 20.The groove 201 of first splice 20 is identical with the grafting matching way of the projection 203 of second splice 20.
Further, according to embodiments of the invention, groove 201 can be arranged to T slot, and correspondingly, the cross-sectional plane of projection 203 is match with T slot T-shaped.According to another embodiment of the invention, groove 201 can be arranged to dovetail furrow, and the cross-sectional plane of projection 203 is the dovetail form matched with dovetail furrow.According to another embodiment of the invention, groove 201 can be arranged to C shape groove, and the cross-sectional plane of projection 203 is the C font matched with C shape groove.
Referring to figs. 2 to Fig. 5, according to embodiments of the invention, it is quadrangle that cross-sectional plane is arranged on chassis 2, and splice 20 is arranged to chassis 2 to resolve into equably symmetrically the quadrangle formed after four pieces.Wherein, groove 201 and projection 203 are separately positioned on two adjacent limits of the splice 20 of quadrangle, thus four pieces of splices 20 can couple together in turn from beginning to end.Should be appreciated that, other shapes can be arranged in chassis 2, and the shape of splice 20 can be arranged according to the shape on chassis 2.
Continue referring to figs. 2 to Fig. 5, according to embodiments of the invention, the end face of each splice 20 is provided with knock hole 205, the bottom surface of ball seat 1 is provided with registration mast.After chassis 2 has been assembled, registration mast can insert in knock hole 205, thus limits the position between ball seat 1 and chassis 2.According to embodiments of the invention, the diameter of knock hole 205 is arranged to the diameter being greater than registration mast, to make registration mast can slippage in knock hole 205.Like this, the operation easier of registration mast and knock hole 205 location fit can be reduced on the one hand, on the other hand, when there is car load revolution, knock hole 205 tightly against can not limit the position of registration mast, thus reduces the stress of horizontal direction, optimizes the load assignment of leg disc.
On the other hand, the present invention also provides a kind of hoisting crane.This hoisting crane has above-mentioned leg disc.Further, the bulb of the Vertical Cylinders of the leg of hoisting crane and the ball recess of ball seat 1 match.During this crane job, chassis 2 is placed on the ground, and the bulb of Vertical Cylinders is supported in the ball recess of ball seat 1.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (7)
1. a leg disc, this leg disc comprises the ball seat (1) that end face is provided with ball recess, and be supported on the chassis (2) of bottom of this ball seat, it is characterized in that, described ball seat (1) is removably mounted on described chassis (2), and described chassis (2) comprise multiple splice (20) removably connected
The end face of each described splice (20) is provided with knock hole (205), the bottom surface of described ball seat (1) is provided with the registration mast matched with described knock hole (205), and the diameter of described knock hole (205) is greater than the diameter of described registration mast.
2. leg disc according to claim 1, is characterized in that, described multiple splice (20) is multiple general splice (20);
Wherein, splice described in each (20) is provided with the spacing stitching section matched with splice described in another (20).
3. leg disc according to claim 2, is characterized in that, described spacing stitching section comprises the groove (201) and projection (203) that the edge along described splice (20) arranges at intervals;
Wherein, on the cross-sectional plane of described groove (201), the width (S) of cell body is greater than the width (T) of opening; Described projection (203) has the neck (2031) matched with the width (T) of the opening of described groove (201) and the head (2033) matched with the width (S) of the cell body of described groove (201), and described neck (2031) is connected between the edge of described head (2033) and described splice (20).
4. leg disc according to claim 3, is characterized in that, described groove (201) is T slot, and the cross-sectional plane of described projection (203) is match with described T slot T-shaped; Or
Described groove (201) is dovetail furrow, and the cross-sectional plane of described projection (203) is the dovetail form matched with described dovetail furrow; Or
Described groove (201) is C shape groove, and the cross-sectional plane of described projection (203) is the C font matched with described C shape groove.
5. the leg disc according to claim 3 or 4, it is characterized in that, the cross-sectional plane of described chassis (2) and described splice (20) is quadrangle, and described groove (201) and described projection (203) are separately positioned on two adjacent limits of the splice (20) of described quadrangle.
6. leg disc according to claim 1 and 2, is characterized in that, described ball seat (1) and each described splice (20) is provided with the handle for carrying.
7. a hoisting crane, is characterized in that, this hoisting crane comprises the leg disc according to any one of claim 1-6;
Wherein, the bulb of the Vertical Cylinders of the leg of described hoisting crane and the ball recess of described ball seat (1) match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363521.4A CN102862914B (en) | 2012-09-26 | 2012-09-26 | Support leg disc and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363521.4A CN102862914B (en) | 2012-09-26 | 2012-09-26 | Support leg disc and crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102862914A CN102862914A (en) | 2013-01-09 |
| CN102862914B true CN102862914B (en) | 2015-06-03 |
Family
ID=47442100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210363521.4A Active CN102862914B (en) | 2012-09-26 | 2012-09-26 | Support leg disc and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102862914B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027558A (en) * | 2022-05-27 | 2022-09-09 | 中联重科股份有限公司 | Modular chassis and walking machinery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201647819U (en) * | 2010-04-23 | 2010-11-24 | 三一汽车起重机械有限公司 | Crane and stabilizer plate device thereof |
| CN202016455U (en) * | 2011-04-19 | 2011-10-26 | 贵州成智重工科技有限公司 | Supporting leg structure of wheel movable crusher |
| CN102416933A (en) * | 2010-09-28 | 2012-04-18 | 徐州重型机械有限公司 | Construction machinery chassis and supporting leg supporting device thereof |
| CN102491201A (en) * | 2011-12-05 | 2012-06-13 | 中联重科股份有限公司 | Supporting leg disc, supporting device and engineering vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58174052A (en) * | 1982-04-02 | 1983-10-13 | Japan Metals & Chem Co Ltd | Underlying board for outrigger jack of truck crane |
-
2012
- 2012-09-26 CN CN201210363521.4A patent/CN102862914B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201647819U (en) * | 2010-04-23 | 2010-11-24 | 三一汽车起重机械有限公司 | Crane and stabilizer plate device thereof |
| CN102416933A (en) * | 2010-09-28 | 2012-04-18 | 徐州重型机械有限公司 | Construction machinery chassis and supporting leg supporting device thereof |
| CN202016455U (en) * | 2011-04-19 | 2011-10-26 | 贵州成智重工科技有限公司 | Supporting leg structure of wheel movable crusher |
| CN102491201A (en) * | 2011-12-05 | 2012-06-13 | 中联重科股份有限公司 | Supporting leg disc, supporting device and engineering vehicle |
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| Publication number | Publication date |
|---|---|
| CN102862914A (en) | 2013-01-09 |
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