CN103132501B - Dynamic compaction machine - Google Patents
Dynamic compaction machine Download PDFInfo
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- CN103132501B CN103132501B CN201310076378.5A CN201310076378A CN103132501B CN 103132501 B CN103132501 B CN 103132501B CN 201310076378 A CN201310076378 A CN 201310076378A CN 103132501 B CN103132501 B CN 103132501B
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Abstract
The invention provides a dynamic compactor. This dynamic compaction machine includes: an arm support (10); the lifting rope (50) comprises a first section of rope body (51) and a second section of rope body (52) which are connected with each other and are respectively positioned on two opposite sides of the arm support (10), the first section of rope body (51) is provided with a lifting mechanism connecting end, and the second section of rope body (52) is provided with a rammer connecting end; a first straight line where the first section of rope body (51) is located, a second straight line where the second section of rope body (52) is located and the longitudinal center line of the arm support (10) are intersected at one point, and a first included angle between the first straight line and the longitudinal center line of the arm support (10) and a second included angle between the second straight line and the longitudinal center line of the arm support (10) are matched. The invention can reduce the vibration of the arm support when the rammer falls, maintain the stability of the whole machine, prolong the service life of elements and improve the operating environment.
Description
Technical field
The present invention relates to technical field of engineering machinery, in particular to a kind of dynamic compaction machinery.
Background technology
As shown in Figure 1, dynamic compaction machinery is a kind of engineering machinery for compacting foundation, and its effect, after repeatedly the hammer ram 20 ' demarcating weight being risen to certain height by lifting rope 50 ', hammer ram 20 ' is fallen, in soil, form powerful impact, reach the object improving foundation capability.
The crawler belt type dynamic compaction machine generally applied at present is that development is formed on the basis of crawler crane, and adopt jib lubbing mechanism 30 ' to connect jib 10 ', jib lubbing mechanism 30 ' comprises variable-amplitude steel wire rope 31 ' and arm-tie 32 '.When promoting hammer ram 20 ', exerted a force by jib lubbing mechanism 30 ' and make jib 10 ' reach equalising torque; Before hammer ram 20 ' falls, jib lubbing mechanism 30 ' deformation energy, jib 10 ' is also because of eccentric bearing strain energy storage.When hammer ram 20 ' falls moment, above-mentioned energy discharges suddenly, causes jib 10 ' to rebound, equalising torque state is destroyed, turn over after making jib 10 ' unlikely, the inclination-proof device 40 ' arranging band pooling feature in the middle of jib 10 ' stops and the vibration of decay jib 10 ', finally reaches inactive state; Inclination-proof device 40 ' is generally a set of the first sway bar 41 ' being positioned at below, in order to reduce vibration further, even can increase a set of the second sway bar 42 ' being positioned at top.Because rebounce power is comparatively large, although the first sway bar 41 ' and the second sway bar 42 ' are provided with spring respectively, can play certain cushioning effect, but suitable impact can be formed to turntable, rocking of aggravation complete machine.Due to the groundwork feature that high, the frequent Condition of Sudden Unloading of working level is dynamic compaction machinery, under the percussion of long term frequent, easily there is fatigue failure in structural member, and the reliability of element also will significantly reduce, impact frequently simultaneously and rock, cause the working environment of operator and the non-constant of safety.
Summary of the invention
The present invention aims to provide a kind of dynamic compaction machinery, can reduce vibration of arm when hammer ram falls.
To achieve these goals, according to an aspect of the present invention, provide a kind of dynamic compaction machinery, comprising: jib; And lifting rope, comprise and be interconnected and lay respectively at first paragraph rope body and the second segment rope body of jib two opposite sides, first paragraph rope body has lifting mechanism link, and second segment rope body has hammer ram link; First straight line at first paragraph rope body place, second straight line at second segment rope body place and the longitudinal centre line of jib intersect at a point, and the first angle between the first straight line and the longitudinal centre line of jib and the second angle between the second straight line and the longitudinal centre line of jib adapt.
Further, the angle that the first straight line and the second straight line are formed has angular bisector, and jib is arranged rotationally, and the center line of the slewing area of jib overlaps with angular bisector.
Further, dynamic compaction machinery also comprises: turntable; And lifting mechanism, be arranged on turntable, lifting mechanism is connected with the lifting mechanism link of first paragraph rope body.
Further, lifting mechanism comprises: lifting rope adjusting part, to be arranged on turntable and to be connected with the lifting mechanism link of first paragraph rope body, to regulate the action of the hammer ram link of second segment rope body; And first support portion, first end is connected with turntable, and the second end is connected with lifting rope adjusting part, encloses formation triangular structure between the first support portion, lifting rope adjusting part and turntable.
Further, lifting rope adjusting part comprises: installing rack, respectively with turntable and the first support portion hinged, enclose formation triangular structure between installing rack, turntable and the first support portion; Fixed pulley group, is arranged on installing rack; And running block, being arranged on installing rack and being positioned at the below of fixed pulley group, running block has to away from first duty of fixed pulley prescription to motion, and near second duty of fixed pulley prescription to motion; The lifting mechanism link pile warp fixed pulley group of first paragraph rope body and running block.
Further, lifting rope adjusting part also comprises regulating part, to be arranged on to regulating part adjustable in length on installing rack and to be connected with the lifting mechanism link of first paragraph rope body, regulating part has contraction in length and is connected with running block to make running block be positioned at the 3rd duty of the first duty, and is separated to make running block be positioned at the 4th duty of the second duty with running block.
Further, installing rack has the bending segment in the portion of being located thereon, and the cross section of bending segment reduces gradually along the direction away from turntable; Fixed pulley group has two, and two fixed pulley groups are arranged on the bending segment of installing rack respectively, and arrange in turn along the overbending direction of bending segment.
Further, jib and turntable hinged; The jib lubbing mechanism that dynamic compaction machinery is arranged with also comprising adjustable in length, first end and the jib of jib lubbing mechanism are hinged, and the second end of jib lubbing mechanism is fixedly installed relative to turntable.
Further, any one in the second end of jib lubbing mechanism and the first support portion, lifting rope adjusting part or turntable is hinged.
Further, the second support portion that dynamic compaction machinery is arranged with also comprising adjustable in length, the second support portion is fixedly connected with the side of turntable away from jib, and along the direction away from turntable to downward-extension.
Apply technical scheme of the present invention, by two opposite sides making first paragraph rope body that lifting rope is connected and second segment rope body lay respectively at jib, first paragraph rope body is connected with lifting mechanism, second segment rope body is connected with hammer ram, and first paragraph rope body place first straight line, second segment rope body place second straight line and jib longitudinal centre line three line intersect at a point, now only one-way shaft is to pressure-bearing for jib, and namely external applied load is to jib substantially without moment of flexure, and jib structure is without flexural deformation.Because the angle between the first straight line and jib longitudinal centre line, angle between the second straight line and jib longitudinal centre line adapt, namely substantially equal, so jib both sides wire rope power is identical, therefore, when promoting hammer ram, external applied load is to jib hinge equalising torque.When dropping hammer moment, arm head both sides wire rope power disappears simultaneously, and jib will maintain above-mentioned equilibrium state.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and 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 shows the schematic diagram of the dynamic compaction machinery according to prior art;
Fig. 2 shows the schematic diagram of dynamic compaction machinery according to first embodiment of the invention;
Fig. 3 shows the C place enlarged drawing of the dynamic compaction machinery of first embodiment according to Fig. 2;
Fig. 4 shows the schematic diagram of the lifting rope adjusting part of dynamic compaction machinery according to first embodiment of the invention;
Fig. 5 shows the schematic diagram of jib three operating positions of dynamic compaction machinery according to first embodiment of the invention;
Fig. 6 shows the schematic diagram of the dynamic compaction machinery according to second embodiment of the present invention;
Fig. 7 shows the schematic diagram of the dynamic compaction machinery according to the 3rd embodiment of the present invention; And
Fig. 8 shows the schematic diagram of the dynamic compaction machinery according to the 4th embodiment of the present invention.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figures 2 to 5, according to first embodiment of the invention, provide a kind of dynamic compaction machinery, comprise crawler body 90, turntable 80, jib 10, hammer ram 20, lifting rope 50, jib lubbing mechanism 30 and lifting mechanism 70.Its intermediate station 80 is arranged on crawler body 90 rotationally, and jib 10 and lifting mechanism 70 are arranged on turntable 80 servo-actuatedly, and jib 10 and turntable 80 are articulated with G point.The first end of lifting rope 50 is the lifting mechanism link be connected with lifting mechanism 70, second end is the hammer ram link be connected with hammer ram 20 after the fixed pulley at pile warp jib 10 top, part wherein between the lifting mechanism link of lifting rope 50 and jib 10 top is first paragraph rope body 51, part between the hammer ram link of lifting rope 50 and jib 10 top is second segment rope body 52, and first paragraph rope body 51 and second segment rope body 52 lay respectively at two opposite sides of jib 10.
In conjunction with see Fig. 5, first straight line at first paragraph rope body 51 place, second straight line at second segment rope body 52 place and the longitudinal centre line of jib 10 intersect at a point, and the second angle between the longitudinal centre line of the first angle between the longitudinal centre line of the first straight line and jib 10 and the second straight line and jib 10 adapts, namely substantially equal.That is, the angle that the first straight line and the second straight line are formed has angular bisector, and jib 10 is arranged rotationally, and the center line of the slewing area of jib overlaps with this angular bisector.
In the present invention, the quantity of jib 10 both sides lifting rope 50 is equal, is namely equivalent to single multiplying power operation.Suppose ground level and ignore jib 10 to conduct oneself with dignity, in dynamic compaction machinery working range as shown in Figure 5, namely jib 10 rotate 70 ° within the scope of 80 °, first straight line at first paragraph rope body 51 place, second straight line at second segment rope body 52 place and longitudinal centre line three line of jib 10 intersect at a bit substantially, namely, when jib 10 anglec of rotation is 80 °, this intersection point is X
1, the angle between the longitudinal centre line of now the first straight line and jib 10 is α
1, the angle between the longitudinal centre line of the second straight line and jib 10 is β
1; When jib 10 anglec of rotation is 75 °, this intersection point is X
2, the angle between the longitudinal centre line of now the first straight line and jib 10 is α
2, the angle between the longitudinal centre line of the second straight line and jib 10 is β
2; When jib 10 anglec of rotation is 70 °, this intersection point is X
3, the angle between the longitudinal centre line of now the first straight line and jib 10 is α
3, the angle between the longitudinal centre line of the second straight line and jib 10 is β
3, no matter be in which angle, all only one-way shaft is to pressure-bearing for jib 10, and namely external applied load is to jib 10 substantially without moment of flexure, and jib structure is without flexural deformation.In Fig. 5, P is the point of contact of the fixed pulley group 714 at the top of lifting rope 50 and lifting mechanism 70.
Due to the first angle between the first straight line and the longitudinal centre line of jib 10 and the second angle between the second straight line and the longitudinal centre line of jib 10 substantially equal, i.e. α
1≈ β
1, α
2≈ β
2, α
3≈ β
3, make the first paragraph rope body 51 of jib 10 both sides identical with the power of second segment rope body 52, therefore, when promoting hammer ram 20, external applied load is to the equalising torque of the hinge G of jib 10.When hammer ram 20 falls moment, the first paragraph rope body 51 of jib 10 both sides disappears with the power of second segment rope body 52 simultaneously, and jib 10 will maintain above-mentioned equilibrium state.
Here the first angle is equal with the second angle is a kind of perfect condition of optimum, general in practical operation, due to the impact of various external condition, desirable identical state can not be reached, as long as but be tending towards equal, just substantially can realize the object of above-mentioned balance jib 10.
And in fact, the deadweight of ground inclination and jib 10 be can not ignore, now, the deviation of the dead-load moment of jib 10 and the moment of the jib 10 both sides first paragraph rope body 51 caused because ground is uneven and second segment rope body 52, the power by jib lubbing mechanism 30 balances with it.The power of this jib lubbing mechanism 30 may be pressure also may be pulling force.Because ground inclination can not be very large, be substantially less than 5%, and jib 10 is conducted oneself with dignity less, therefore the power of jib lubbing mechanism 30 also can be little, completely in the tolerance range of jib structure.Substitute existing variable-amplitude steel wire rope and luffing arm-tie by jib lubbing mechanism 30, make the overall structure of dynamic compaction machinery more simple, control convenient.
In conjunction with see Fig. 2, in the present invention, jib lubbing mechanism 30 is amplitude oil cylinder, its first end and jib 10 hinged, second end and lifting mechanism 70 hinged, rotated around hinge G by the telescopic drive jib 10 of the piston rod of amplitude oil cylinder, make the angle of inclination of jib 10 reduce or increase, realize the balance of jib 10.Certainly, here jib lubbing mechanism 30 is not limited to amplitude oil cylinder, as long as the structure of adjustable in length, the moment of jib 10 can be balanced, as one group of telescope, when the body of internal layer is retracted in outer field body, sleeve pipe entire length reduces, when the body of internal layer stretches out outer field body, sleeve pipe entire length increases, and can play the effect identical with amplitude oil cylinder equally.
Lifting mechanism 70 comprises lifting rope adjusting part 71 and the first support portion 72, wherein lifting rope adjusting part 71 is hinged with turntable 80, for connecting lifting rope 50 and adjusting the height of the hammer ram 20 that lifting rope 50 is sling, the first end of the first support portion 72 is connected with turntable 80, second end is connected with lifting rope adjusting part 71, for supporting lifting rope adjusting part 71, the second end of jib lubbing mechanism 30 is hinged on the first support portion 72.Enclose the triangular structure that formation one is fixing between first support portion 72, lifting rope adjusting part 71 and turntable 80, add the stability of lifting mechanism, and lifting mechanism 70 itself can play the effect of part counterweight.
In conjunction with see Fig. 4, lifting rope adjusting part 71 comprises installing rack 711, fixed pulley group 714 and running block 713, wherein installing rack 711 is for being articulated with the trussed construction on turntable 80, installing rack 711 inside has the installing space of the miscellaneous part for installing lifting rope adjusting part 71, fixed pulley group 714 and running block 713 are separately positioned on installing rack 711, and running block 713 is positioned at the below of fixed pulley group 714, running block 713 is arranged movingly along the slideway of the installing space inside being arranged at installing rack 711, it has the first duty to moving away from fixed pulley group 714 direction, and to the second duty arranged near fixed pulley group 714 direction, lifting mechanism link pile warp running block 713 and the fixed pulley group 714 respectively of lifting rope 50.
In the present invention, the motion of running block 713 is driven by regulating part 712, regulating part 712 is arranged in the installing space of installing rack 711, it is positioned at the below of running block 713 and is connected with the lifting mechanism link of first paragraph rope body 51, the length of regulating part 712 can adjust, when the contraction in length of regulating part 712, regulating part 712 is connected with running block 713, and move downward along slideway with running block 713, running block 713 is made to be positioned at the first duty, the hammer ram 20 simultaneously driving the hammer ram link of second segment rope body 52 to connect rises, at this moment regulating part 712 is positioned at the 3rd duty, after hammer ram 20 arrives predetermined altitude, the stopping under reach of regulating part 712, then regulating part 712 and running block 713 are separated, running block 713 is moved along slideway to the direction near fixed pulley group 714, fixed pulley group 714 enters the second duty, hammer ram 20 falls, and at this moment regulating part 712 is positioned at the 4th duty.Hoisting of the hammer ram 20 that lifting rope 50 connects can be realized by the length adjustment of regulating part 712 self and being connected with running block 713 selective.
Preferably, regulating part 712 is for regulating oil cylinder, but regulating part here 712 is not limited to regulate oil cylinder, also can replace with the structure of other adjustable in length, sleeve pipe as the aforementioned.
The top of installing rack 711 has bending segment, the cross section of this bending segment subtracts gradually along the direction away from turntable 80, one in two fixed pulley groups 714 top being arranged on bending segment rotationally, another bottom near bending segment is arranged, and two fixed pulley group 714 entirety are arranged in turn along the overbending direction of bending segment.
Certainly, fixed pulley group 714 is here not limited to two, and its concrete quantity and position should be arranged according to actual needs, such as, arrange the fixed pulley group 714 of varying number according to the required multiplying power that hoists.
In conjunction with see Fig. 3, before and after hammer ram 20 whereabouts, machine gravity existence sudden change, therefore, when hammer ram 20 times backwardnesss, floor resilient properties distortion is recovered, and complete machine has the trend of layback.Can alleviate this trend along the direction away from turntable 80 to the second support portion 60 of downward-extension by being fixedly connected with one at turntable 80 away from the side of jib 10, the second support portion 60 is fixed on turntable 80 by junction plate 61.In the present invention, the second support portion 60 is support oil cylinder, but the structure of the second support portion 60 is not limited to support oil cylinder, also can replace with the structure of other adjustable in length, also can realize this purpose.
As shown in the above, dynamic compaction machinery of the present invention is in operation process, the self-balancing of jib 10 can be realized, namely before and after hammer ram 20 falls, jib 10 is substantially without bounce-back trend, and rocking of complete machine also will significantly be cut down, therefore and significantly the reliability of structural life-time and components and parts will improve, and working environment and the safety of operator are also improved.Meanwhile, dynamic compaction machinery structure composition of the present invention and installation control comparatively simple, and lifting mechanism 70, turntable 80 and the first support portion 72 are relatively fixing, and in the working range of jib 10, the change of its operation amplitude can not affect the self-balancing of jib 10.In addition, as balance weight type crane gear, counterweight is absolutely necessary vitals.Dynamic compaction machinery of the present invention utilizes the weight of lifting mechanism 70 to replace part counterweight, and itself is as hoisting mechanism, and cost also carries free off the hook elevator lower than same level band.
In conjunction with see Fig. 6, according to second embodiment of the present invention, provide a kind of dynamic compaction machinery, it is substantially identical with first example structure, difference is, in the present embodiment, the second end and the lifting rope adjusting part 71 of jib lubbing mechanism 30 are hinged, and this connected mode can serve the same role with the jib lubbing mechanism 30 in first embodiment.
In conjunction with see Fig. 7, according to the 3rd embodiment of the present invention, provide a kind of dynamic compaction machinery, it is substantially identical with first example structure, difference is, in the present embodiment, the second end and the turntable 80 of jib lubbing mechanism 30 are hinged, and this connected mode can serve the same role with the jib lubbing mechanism 30 in first embodiment.
As can be seen from above-mentioned three embodiments, the mounting means of jib lubbing mechanism 30 is versatile and flexible, can connect arbitrarily according to actual conditions, as long as its second end is fixed relative to turntable 80, with the basis provided support.
In conjunction with see Fig. 8, according to the 4th embodiment of the present invention, provide a kind of dynamic compaction machinery, it is substantially identical with first example structure, difference is, when improving tamping energy operation, increase auxiliary mast 40 and hoist engine 53, now, variable amplitude rope 31 is connected between the top of jib 10 and lifting mechanism 70, for realizing the function playing arm and luffing of jib 10, under this structure, jib lubbing mechanism 30 can not be set, hoist engine 53 is arranged on turntable 80, the first end of lifting rope 50 is connected with hoist engine 53, the regulatory function of lifting rope 50 no longer born by lifting mechanism 70, and substituted by hoist engine 53.The dynamic compaction machinery of this structure, because the annexation of lifting rope 50 changes, the lifting rope 50 of jib 10 both sides that needs not for another example described in first embodiment meets at a bit with the longitudinal centre line of jib 10, but owing to there being auxiliary mast 40, jib 10 still can realize balance, reduces vibration.
From above description, can find out, the above embodiments of the present invention achieve following technique effect: apply technical scheme of the present invention, by two opposite sides making first paragraph rope body that lifting rope is connected and second segment rope body lay respectively at jib, first paragraph rope body is connected with lifting mechanism, second segment rope body is connected with hammer ram, and first paragraph rope body place first straight line, second segment rope body place second straight line and jib longitudinal centre line three line intersect at a point, now jib only one-way shaft to pressure-bearing, namely external applied load to jib substantially without moment of flexure, jib structure is without flexural deformation.Because the angle between the first straight line and jib longitudinal centre line, angle between the second straight line and jib longitudinal centre line adapt, namely substantially equal, so jib both sides wire rope power is identical, therefore, when promoting hammer ram, external applied load is to jib hinge equalising torque.When dropping hammer moment, arm head both sides wire rope power disappears simultaneously, and jib will maintain above-mentioned equilibrium state.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a dynamic compaction machinery, comprising:
Jib (10); And
Lifting rope (50), comprise and be interconnected and lay respectively at first paragraph rope body (51) and the second segment rope body (52) of described jib (10) two opposite sides, described first paragraph rope body (51) has lifting mechanism link, and described second segment rope body (52) has hammer ram link;
It is characterized in that, first straight line at described first paragraph rope body (51) place, described second straight line at second segment rope body (52) place and the longitudinal centre line of described jib (10) intersect at a point, and the second angle between the longitudinal centre line of the first angle between the longitudinal centre line of described first straight line and described jib (10) and described second straight line and described jib (10) adapts.
2. dynamic compaction machinery according to claim 1, it is characterized in that, the angle that described first straight line and described second straight line are formed has angular bisector, and described jib (10) is arranged rotationally, and the center line of the slewing area of described jib (10) overlaps with described angular bisector.
3. dynamic compaction machinery according to claim 1 and 2, is characterized in that, described dynamic compaction machinery also comprises:
Turntable (80); And
Lifting mechanism (70), is arranged on described turntable (80), and described lifting mechanism (70) is connected with the described lifting mechanism link of described first paragraph rope body (51).
4. dynamic compaction machinery according to claim 3, is characterized in that, described lifting mechanism (70) comprising:
Lifting rope adjusting part (71), is arranged at described turntable (80) and goes up and be connected with the described lifting mechanism link of described first paragraph rope body (51), to regulate the action of the described hammer ram link of described second segment rope body (52); And
First support portion (72), first end is connected with described turntable (80), second end is connected with described lifting rope adjusting part (71), encloses formation triangular structure between described first support portion (72), described lifting rope adjusting part (71) and described turntable (80).
5. dynamic compaction machinery according to claim 4, is characterized in that, described lifting rope adjusting part (71) comprising:
Installing rack (711), respectively with described turntable (80) and described first support portion (72) hinged, enclose between described installing rack (711), described turntable (80) and described first support portion (72) formed described triangular structure;
Fixed pulley group (714), is arranged on described installing rack (711); And
Running block (713), be arranged at described installing rack (711) to go up and the below being positioned at described fixed pulley group (714), described running block (713) has to the first duty away from the motion of described fixed pulley group (714) direction, and to the second duty near the motion of described fixed pulley group (714) direction;
Fixed pulley group (714) and described running block (713) described in the described lifting mechanism link pile warp of described first paragraph rope body (51).
6. dynamic compaction machinery according to claim 5, it is characterized in that, described lifting rope adjusting part (71) also comprises regulating part (712), be arranged on to described regulating part (712) adjustable in length described installing rack (711) go up and be connected with the described lifting mechanism link of described first paragraph rope body (51), described regulating part (712) has contraction in length and is connected with described running block (713) to make described running block (713) be positioned at the 3rd duty of described first duty, and be separated to make described running block (713) be positioned at the 4th duty of described second duty with described running block (713).
7. dynamic compaction machinery according to claim 5, is characterized in that,
Described installing rack (711) has the bending segment in the portion of being located thereon, and the cross section of described bending segment reduces gradually along the direction away from described turntable (80);
Described fixed pulley group (714) has two, and two described fixed pulley groups (714) are arranged on the described bending segment of described installing rack (711) respectively, and arrange in turn along the overbending direction of described bending segment.
8. dynamic compaction machinery according to claim 4, is characterized in that,
Described jib (10) is hinged with described turntable (80);
The jib lubbing mechanism (30) that described dynamic compaction machinery is arranged with also comprising adjustable in length, first end and the described jib (10) of described jib lubbing mechanism (30) are hinged, and the second end of described jib lubbing mechanism (30) is fixedly installed relative to described turntable (80).
9. dynamic compaction machinery according to claim 8, is characterized in that, any one in the second end of described jib lubbing mechanism (30) and described first support portion (72), described lifting rope adjusting part (71) or described turntable (80) is hinged.
10. dynamic compaction machinery according to claim 3, it is characterized in that, the second support portion (60) that described dynamic compaction machinery is arranged with also comprising adjustable in length, described second support portion (60) is fixedly connected with the side of described turntable (80) away from described jib (10), and along the direction away from described turntable (80) to downward-extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310076378.5A CN103132501B (en) | 2013-03-11 | 2013-03-11 | Dynamic compaction machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310076378.5A CN103132501B (en) | 2013-03-11 | 2013-03-11 | Dynamic compaction machine |
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| Publication Number | Publication Date |
|---|---|
| CN103132501A CN103132501A (en) | 2013-06-05 |
| CN103132501B true CN103132501B (en) | 2015-02-11 |
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| CN201310076378.5A Active CN103132501B (en) | 2013-03-11 | 2013-03-11 | Dynamic compaction machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103603353B (en) * | 2013-11-06 | 2016-03-02 | 上海市基础工程集团有限公司 | Anti-rotation lock during vibrating hammer pile sinking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2641124Y (en) * | 2003-09-25 | 2004-09-15 | 中化岩土工程有限公司 | Crawler type strong rammer compactor for special uprpose |
| DE602004026354D1 (en) * | 2004-01-12 | 2010-05-12 | Soletanche Freyssinet | POETRY |
| CN101736729B (en) * | 2009-12-28 | 2011-04-27 | 中化岩土工程股份有限公司 | Lifting mechanism of free dropping type forced ramming machine with hammer |
| CN201873983U (en) * | 2010-12-14 | 2011-06-22 | 中化岩土工程股份有限公司 | Dynamic compactor with propeller strut following up amplitude variation of arm support |
| CN202214717U (en) * | 2011-06-08 | 2012-05-09 | 徐工集团工程机械股份有限公司 | Hydraulic jacking-type dynamic compactor |
| CN102635106B (en) * | 2012-04-27 | 2015-05-20 | 中国一冶集团有限公司 | Dynamic compaction buffer damping method of crawler crane |
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2013
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