CN102862914A - Leg plate and crane - Google Patents
Leg plate and crane Download PDFInfo
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- CN102862914A CN102862914A CN2012103635214A CN201210363521A CN102862914A CN 102862914 A CN102862914 A CN 102862914A CN 2012103635214 A CN2012103635214 A CN 2012103635214A CN 201210363521 A CN201210363521 A CN 201210363521A CN 102862914 A CN102862914 A CN 102862914A
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- splice
- groove
- ball seat
- complementary
- leg disc
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Abstract
The invention discloses a leg plate. The leg plate comprises a ball seat (1) and a chassis (2), wherein the top surface of the ball seat (1) is provided with a spherical groove, and the chassis (2) is supported at the bottom of the ball seat; and the ball seat is removably arranged on the chassis, and the chassis comprises a plurality of detachably connected splicing components (20). The invention also provides a crane, and the crane comprises the leg plate; and the ball head of a vertical cylinder of a leg of the crane is matched with the spherical groove of the ball seat. The leg plate disclosed by the invention can be carried and positioned rapidly, thereby saving the storage space; and the load distribution of the leg plate 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 installed in the bottom of the Vertical Cylinders of movable supporting legs, the contact component on supporting leg and ground when forming crane job.Because the weight of the weight of hoisting crane self and the weight of lifting all is delivered to ground by leg disc, so leg disc bears very large support reaction.Particularly in the hoisting crane of large-tonnage, super-tonnage, can bear larger load in order to make leg disc, leg disc is set to larger size usually.
Shown in the 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 that the bulb with Vertical Cylinders is complementary.The bottom support of ball seat 1 has chassis 2.Chassis 2 has obvious Area of bearing greater than ball seat 1, to guarantee 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 disposable lifting usually leg disc to be 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 exists and is difficult to fast carrying and defective in place, thereby has affected the work efficiency of hoisting crane.
Summary of the invention
The purpose of this invention is to provide a kind of leg disc and hoisting crane, to realize quick carrying and the location of leg disc.
To achieve these goals, the invention provides a kind of leg disc, this leg disc comprises that end face is provided with the ball seat of ball recess, and the chassis that is supported on the bottom of this ball seat.Wherein, ball seat is removably mounted on the chassis, and the chassis comprises a plurality of splices that removably connect.
Preferably, a plurality of splices are a plurality of general splices; Wherein, be provided with the spacing stitching section that is complementary with another splice on each splice.
Preferably, spacing stitching section comprises groove and the projection that arranges at intervals along the edge of splice; Wherein, on the cross-sectional plane of groove, the width of cell body is greater than the width of opening; The head that projection has neck that the width with the opening of groove is complementary and is complementary with the width of the cell body of groove, and neck is connected between the edge of head and splice.
Preferably, groove is T slot, and the cross-sectional plane of projection is the T font that is complementary with T slot; Perhaps groove is dovetail furrow, and the cross-sectional plane of projection is the dovetail form that is complementary with dovetail furrow; Perhaps groove is C shape groove, and the cross-sectional plane of projection is the C font that is complementary 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 tetragonal splice.
Preferably, be provided with knock hole at the end face of each splice, be provided with the registration mast that is complementary with knock hole in the bottom surface of ball seat.
Preferably, the diameter of knock hole is greater than the diameter of registration mast.
Preferably, be provided with for the handle of carrying on ball seat and each splice.
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 ball recess of the bulb of the Vertical Cylinders of the leg of hoisting crane and ball seat is complementary.
By technique scheme, the invention provides a kind of knockdown leg disc.Wherein, removably connect between ball seat and the chassis, also be removably to connect between each splice on chassis, thereby leg disc is resolved into little, the lightweight assembly parts of a plurality of volumes.Like this, effectively reduce the carrying of leg disc and the difficulty that hoists, thereby be conducive to quick carrying and the location of leg disc.In addition, each splice is set to general modular assembly, can reduce the assembling difficulty on chassis, thereby further improves the locating speed of leg disc.Simultaneously, small-sized modular splice can also be saved the parking space of leg disc.Have again, knock hole between ball seat and the chassis and the matching relationship of registration mast, the Fast Installation location between ball seat and the chassis not only can be realized, the load distribution of leg disc can also be adjusted and optimize by among a small circle the transitional slide of registration mast in knock hole.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and consists of the part of specification sheets, is used from explanation the present invention with the following specific embodiment one, but is not construed as limiting the invention.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 that assembles 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 splices, 201 grooves
203 projections, 2031 necks, 2033 heads
205 knock holees
The width of the opening of the width T groove of the cell body of S groove
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation 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 the chassis 2 that is supported on the bottom of ball seat 1.Be provided with ball recess on the end face of ball seat 1, be used for holding the bulb of Vertical Cylinders of the leg of hoisting crane.During crane job, place on the ground on chassis 2, and the ball recess of ball seat 1 supports the bulb of Vertical Cylinders of the leg of heavy-duty machine.According to embodiments of the invention, ball seat 1 is removably mounted on the chassis 2, and chassis 2 comprises a plurality of splices 20 that removably connect.By this, the present invention is resolved into little, the lightweight assembly parts of a plurality of volumes with leg disc.In addition, according to embodiments of the invention, can on ball seat 1 and each splice 20, handle be set.When carrying leg disc or assembling leg disc, can operate by lifting handle.Therefore, the present invention effectively reduces the carrying of 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 to say, splice 20 is modular parts, and the shape of each splice 20, size, structure are identical.When assembling, splice 20 can mate arbitrarily in twos.By this, the assembling difficulty on chassis 2 be can reduce, thereby assembling and the locating speed of leg disc further improved.Particularly, be provided with the spacing stitching section that is complementary with another splice 20 on each splice 20.By this spacing stitching section, per two splices 20 can be assembled mutually.Thereby, a plurality of splices 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, be provided with groove 201 and projection 203 on each splice 20, and the groove 201 on splice 20 can with another splice 20 on projection 203 peg graft and cooperate.Particularly, groove 201 and projection 203 arrange 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 to say, 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, neck 2031 is near this edge, and head 2033 is away from this edge.In other words, neck 2031 is connected between the edge and head 2033 of splice 20.And the width of the size and shape of the neck 2031 of projection 203 and the opening of groove 201 is complementary, and the width of the size and shape of the head 2033 of projection 203 and the cell body of groove 201 is complementary.
According to above-mentioned, when two splices 20 are assembled, the head 2033 of the projection 203 of first splice 20 is suitable for being contained in the cell body of groove 201 of second splice 20, and the neck 2031 of the projection 203 of first splice 20 is suitable for extending out to the cell body outside from the opening of the groove 201 of second splice 20.And 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 can't pass from the opening of the groove 201 of second splice 20, therefore, when the projection 203 of first splice 20 be connected with the groove 201 of second splice 20 complete after, the projection 203 of first splice 20 can only slide along the groove 201 of second splice 20, and can not break away from from groove 201 along the direction of the groove depth of the groove 201 of second splice 20.The grafting matching way of the groove 201 of first splice 20 and the projection 203 of second splice 20 is identical.
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 the T font that is complementary with T slot.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 that is complementary 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 that is complementary with C shape groove.
Referring to figs. 2 to Fig. 5, according to embodiments of the invention, chassis 2 is arranged to cross-sectional plane and is quadrangle, and splice 20 is arranged to the quadrangle that forms after four is resolved on chassis 2 symmetrically equably.Wherein, groove 201 and projection 203 are separately positioned on two adjacent limits of tetragonal splice 20, thereby four 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 according to the shape setting on chassis 2.
Continuation is referring to figs. 2 to Fig. 5, according to embodiments of the invention, is provided with knock hole 205 at the end face of each splice 20, is provided with registration mast in the bottom surface of ball seat 1.After chassis 2 assemblings were finished, registration mast can insert in the knock hole 205, thereby limited the position between ball seat 1 and the chassis 2.According to embodiments of the invention, the diameter of knock hole 205 is arranged to diameter greater than registration mast, so that registration mast can slippage in knock hole 205.Like this, can reduce on the one hand the operation easier that registration mast and knock hole 205 location cooperate, on the other hand, when the car load revolution occurs when, knock hole 205 can not crossed the position of limiting tightly registration mast, thereby reduces the stress of horizontal direction, and the load of optimizing leg disc distributes.
On the other hand, the present invention also provides a kind of hoisting crane.This hoisting crane has above-mentioned leg disc.And the ball recess of the bulb of the Vertical Cylinders of the leg of hoisting crane and ball seat 1 is complementary.During this crane job, place on the ground on chassis 2, and the bulb of Vertical Cylinders is supported in the ball recess of ball seat 1.
Below describe by reference to the accompanying drawings preferred implementation of the present invention in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope 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.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the present invention is to the no longer separately explanation of various possible array modes.
In addition, also can carry out combination in any between the various 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 (9)
1. leg disc, this leg disc comprises that end face is provided with the ball seat of ball recess (1), and the chassis (2) that is supported on the bottom of this ball seat, it is characterized in that, described ball seat (1) is removably mounted on the described chassis (2), and described chassis (2) comprise a plurality of splices (20) that removably connect.
2. leg disc according to claim 1 is characterized in that, described a plurality of splices (20) are a plurality of general splices (20);
Wherein, be provided with the spacing stitching section that is complementary with another described splice (20) on each described splice (20).
3. leg disc according to claim 2 is characterized in that, described spacing stitching section comprises groove (201) and the projection (203) that arranges at intervals along the edge of described splice (20);
Wherein, on the cross-sectional plane of described groove (201), the width of cell body (S) is greater than the width (T) of opening; The head (2033) that described projection (203) has neck (2031) that the width (T) with the opening of described groove (201) is complementary and is complementary 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 the T font that is complementary with described T slot; Perhaps
Described groove (201) is dovetail furrow, and the cross-sectional plane of described projection (203) is the dovetail form that is complementary with described dovetail furrow; Perhaps
Described groove (201) is C shape groove, and the cross-sectional plane of described projection (203) is the C font that is complementary with described C shape groove.
5. according to claim 3 or 4 described leg discs, 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 described tetragonal splice (20).
6. leg disc according to claim 1 and 2 is characterized in that, is provided with knock hole (205) at the end face of each described splice (20), is provided with the registration mast that is complementary with described knock hole (205) in the bottom surface of described ball seat (1).
7. leg disc according to claim 6 is characterized in that, the diameter of described knock hole (205) is greater than the diameter of described registration mast.
8. leg disc according to claim 1 and 2 is characterized in that, is provided with the handle for carrying on described ball seat (1) and each the described splice (20).
9. a hoisting crane is characterized in that, this hoisting crane comprises each described leg disc among the claim 1-8;
Wherein, the ball recess of the bulb of the Vertical Cylinders of the leg of described hoisting crane and described ball seat (1) is complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363521.4A CN102862914B (en) | 2012-09-26 | 2012-09-26 | Leg plate and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210363521.4A CN102862914B (en) | 2012-09-26 | 2012-09-26 | Leg plate and crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102862914A true CN102862914A (en) | 2013-01-09 |
| CN102862914B CN102862914B (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210363521.4A Active CN102862914B (en) | 2012-09-26 | 2012-09-26 | Leg plate and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102862914B (en) |
Cited By (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 (5)
| 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 |
| 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 | Support leg disc, support device and engineering vehicle |
-
2012
- 2012-09-26 CN CN201210363521.4A patent/CN102862914B/en active Active
Patent Citations (5)
| 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 |
| 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 | Support leg disc, support device and engineering vehicle |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN102862914B (en) | 2015-06-03 |
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