CN203007925U - Dynamic compactor - Google Patents
Dynamic compactor Download PDFInfo
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- CN203007925U CN203007925U CN201220623557.7U CN201220623557U CN203007925U CN 203007925 U CN203007925 U CN 203007925U CN 201220623557 U CN201220623557 U CN 201220623557U CN 203007925 U CN203007925 U CN 203007925U
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- compaction machinery
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- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 238000005056 compaction Methods 0.000 claims description 75
- 238000009434 installation Methods 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 7
- 239000002828 fuel tank Substances 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 52
- 239000010720 hydraulic oil Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 239000012530 fluid Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a dynamic compactor which comprises a travelling mechanism, a getting off base and a getting on platform, wherein the travelling mechanism is arranged on the getting off base; a lifting mechanism, an variable amplitude mechanism and an arm support are arranged on the getting on platform; the getting off base is fixedly connected with the getting on platform directly; and the rotation of the arm support is realized by the turning of the travelling mechanism. Landing legs can also be arranged on the getting on platform, and the lifting mechanism and the variable amplitude mechanism can also be a structure formed by an oil cylinder and fixed and movable pulley groups. As a swing mechanism is removed, the dynamic compactor provided by the utility model has the advantages of stable structure, high reliability, low manufacturing cost, safety and the like.
Description
Technical field
The utility model relates generally to engineering machinery field, specifically, relates to a kind of dynamic compaction machinery with new structure.
Background technology
Dynamic compaction machinery is a kind of engineering machinery for material or ground are carried out shock compaction, is widely used in the construction operation process of industry and civilian construction, warehouse, stockyard, harbour, airport, highway and railway roadbed, man-made island etc.
In prior art, the stepped type dynamic compaction machinery is to transform to form on the basis of crawler crane, realizes the strong rammer operation by increasing the servicing units such as hammer ram.As shown in Figure 1, this dynamic compaction machinery generally comprises walking mechanism 81 ', the base 82 ' of getting off, getting-on platform 83 ' and slew gear 84 ', walking mechanism 81 ' is arranged on the base 82 ' of getting off, slew gear 84 ' is arranged at gets off between base 82 ' and getting-on platform 83 ', by slew gear 84 ', getting-on platform 83 ' can be with respect to base 82 ' and the walking mechanism 81 ' revolution of getting off.Be provided with hoisting mechanism, jib lubbing mechanism, jib on getting-on platform 83 ', hoisting mechanism is connected with hammer ram, and jib lubbing mechanism is used for realizing playing arm and falling arm of jib.
In the process of strong rammer, slew gear 84 ' bears a large amount of impact moments of flexure, and causes the Relative Vibration of getting on or off the bus, and can cause fatigue damage or the inefficacy of slew gear 84 ' each parts when serious, has improved the maintenance cost of dynamic compaction machinery.In addition, in order to alleviate vibration, extend the life-span of slew gear 84 ', usually also at slew gear 84 ' rear portion, the hydraulic shock-absorption oil cylinder is set, but this hydraulic shock-absorption oil cylinder has increased the manufacturing cost of dynamic compaction machinery, has increased the trouble point.
And the construction ground of dynamic compaction machinery is partially soft, and the place out-of-flatness is subjected to the impact of factors such as sinking more, carries out the revolution operation of jib under this environment, and whole vehicle stability is relatively poor, easily causes the security incident of tumbling.
Along with the rammer of dynamic compaction machinery can and tonnage day by day increase, the job site is also more and more higher to the requirement of its stability.Therefore, how providing that a kind of cost is low, the dynamic compaction machinery of high, the long service life of stability, to satisfy user's demand increasing to dynamic compaction machinery, is the technical problem that those skilled in the art need to be resolved hurrily.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of dynamic compaction machinery simple in structure, can improve complete machine stability, and reduces manufacturing cost.
Dynamic compaction machinery of the present utility model, comprise walking mechanism, get off base and getting-on platform, described walking mechanism is arranged on the described base of getting off, be provided with hoisting mechanism, jib lubbing mechanism and jib on described getting-on platform, described getting off directly is fixedly connected with between base and getting-on platform, and the rotation of described jib is by the realization that turns to of described walking mechanism.
Further, be provided with a plurality of the first installing holes on the described base of getting off, the correspondence position of described getting-on platform is provided with a plurality of the second installing holes, and the bolt that passes described the first installing hole and the second installing hole is fixedly connected with the described base of getting off with getting-on platform.
Further, described get off integrally formed between base and getting-on platform.
Further, be provided with single or multiple supporting legs on described getting-on platform, described supporting leg comprises can be at the flexible supporting leg of above-below direction, and described supporting leg is by Driven by Hydraulic Cylinder, and during described dynamic compaction machinery work, described supporting leg stretches out kiss the earth; During described dynamic compaction machinery walking, described supporting leg is retracted.
Further, described supporting leg also comprises outrigger arm, and an end of described outrigger arm is swingable or telescopically connects described getting-on platform, the other end connects described supporting leg.
Further, described hydraulic cylinder also is connected with two position three-way valve, and described two position three-way valve comprises oil-in, oil-out and actuator port, and described actuator port connects the rodless cavity of described hydraulic cylinder, and described oil-in connects accumulator, and described oil-out connects fuel tank.
Further, also be provided with orifice plug between described oil-out and described fuel tank.
Further, also comprise overflow valve, one way valve and hydraulic container, the oil-in of described overflow valve connects described hydraulic cylinder, oil-out connects described hydraulic container, and the oil-in of described one way valve connects described hydraulic container, oil-out connects described hydraulic cylinder.
Further, described hoisting mechanism comprises the first rope of the first oil cylinder, the first fixed pulley group, the first running block, arm head leading block and connection hammer ram, wherein:
Car body, the second end that the first end of described the first oil cylinder is used for connecting dynamic compaction machinery connect described the first running block;
Described the first rope is walked around described arm head leading block after reeling on described the first fixed pulley group and the first running block, and is diverted to the described hammer ram of connection;
During described the first oil cylinder stretching motion, described the first running block is with described the first cylinder movement, and the distance between described the first running block and described the first fixed pulley group increases or reduces, and the end of described the first rope and described hammer ram are carried or fall on correspondingly.
Further, described the first fixed pulley group comprises a plurality of fixed pulleys, and the movable pulley quantity of described the first running block and the quantity of described fixed pulley are complementary, and the stroke of described hammer ram is M times of the first oil cylinder stroke, and wherein M is the integer greater than 1.
Further, each movable pulley all is arranged on same installation shaft, and rotates centered by the axis of this installation shaft, and described installation shaft is arranged on installing rack, and the second end of described the first oil cylinder connects described installing rack.
Further, the jib of described dynamic compaction machinery is box structure or trussed construction, and the first end of described the first oil cylinder is arranged on described jib, and described the first oil cylinder be arranged in parallel with respect to described jib.
Further, be provided with pressure sensor in the buffer area of the rodless cavity of described the first oil cylinder, when described pressure sensor detected compensator or trimmer pressure more than or equal to preset value, the piston rod of controlling described the first oil cylinder stopped action.
Further, described dynamic compaction machinery also comprises encoder, and the axle center of described encoder is connected with the rotating shaft of described arm head leading block, and described encoder is for detection of the rotational displacement of described arm head leading block.
Further, described jib lubbing mechanism comprises the second oil cylinder, the second fixed pulley group, the second running block and the second rope, wherein:
Car body, the second end that the first end of described the second oil cylinder is used for connecting dynamic compaction machinery connect described the second running block;
Described the second rope is after reeling on described the second fixed pulley group and described the second running block, and its end is used for connecting the jib of dynamic compaction machinery;
During described the second oil cylinder stretching motion, described the second running block is with described the second cylinder movement, distance between described the second running block and the second fixed pulley group increases or reduces, and the jib that is used for driving described dynamic compaction machinery swings centered by the pin joint of itself and car body.
Further, described the second fixed pulley group comprises a plurality of fixed pulleys, and the movable pulley quantity of described the second running block and the quantity of described fixed pulley are complementary, and the stroke of described the second rope is N times of the second oil cylinder stroke, and wherein N is the integer greater than 1.
Dynamic compaction machinery of the present utility model, will get off directly is fixedly connected with between base and getting-on platform, has cancelled in the prior art at the slew gear of getting off between base and getting-on platform, and the rotation of jib has been saved manufacturing cost by the realization that turns to of walking mechanism.
The utility model is in the process of strong rammer, and the impact moment of flexure that dynamic compaction machinery bears is passed to ground by walking mechanism, has avoided fatigue damage or the inefficacy of parts, has improved structural stability and the reliability of complete machine.
In addition, in a preferred embodiment, the utility model can also adopt the hoisting mechanism of hydraulic oil cylinder driving, and the jib lubbing mechanism of hydraulic oil cylinder driving, and for the elevator driving mechanism of prior art, it is simple in structure, for ease of maintenaince.
The utility model can also be by the supporting role of supporting leg, and the machine gravity when stablizing the strong rammer operation has been avoided tumbling on partially soft out-of-flatness ground, has increased job stabilization and safety.
Description of drawings
Fig. 1 is a kind of structural representation of dynamic compaction machinery of prior art;
Fig. 2 is the structural representation of the dynamic compaction machinery of the utility model one embodiment;
Fig. 3 is the structural representation of the dynamic compaction machinery of another embodiment of the utility model;
Fig. 4 is the enlarged drawing of a-quadrant in Fig. 3;
Fig. 5 is the schematic diagram of the supporting leg buffering oil circuit of another embodiment of the utility model;
Fig. 6 is the schematic diagram of the hoisting mechanism of the utility model one embodiment;
Fig. 7 is the structural representation of deciding running block of the utility model one embodiment;
Fig. 8 is the structural representation of the dynamic compaction machinery of the another embodiment of the utility model;
Fig. 9 is the schematic diagram of the jib lubbing mechanism of the utility model one embodiment.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.
A lot of details have been set forth in the following description so that fully understand the utility model, but, the utility model can also adopt other to be different from other modes described here and implement, and therefore, the utility model is not limited to the restriction of following public specific embodiment.
Shown in Figure 2 is the structural representation of the dynamic compaction machinery of the utility model one embodiment, the shown in this figure walking mechanism 81 of dynamic compaction machinery, get off base 82 and getting-on platform 83.Wherein, walking mechanism 81 is arranged on the base 82 of getting off, be provided with hoisting mechanism, jib lubbing mechanism and jib (not shown) on getting-on platform 83, can also arrange on this getting-on platform 83 in motor, electrical control system, hydraulic system, driver's cabin, counterweight partly or entirely, the each several part structure can be with reference to prior art.
Need to prove, getting on the bus, getting off of the utility model indication is to divide take getting-on platform 83 as boundary, and getting-on platform is upper frame part more than 83; Getting-on platform is lower frame part below 83.Aforementioned walking mechanism 81 can be both the rubber-tyred walking mechanism, can be also crawler type walking mechanism; Aforementioned jib both can be truss-type cantilever crane, also can be box jib.
As shown in Figure 2, getting off directly is fixedly connected with between base 82 and getting-on platform 83, and the rotation of jib 7 is by the realization that turns to of walking mechanism 81.Modes such as getting off and can adopt welding between base 82 and getting-on platform 83, rivet, be spirally connected or be integrally formed is fixed.As a kind of embodiment, be provided with a plurality of the first installing holes on the base 82 of getting off, the correspondence position of getting-on platform 83 is provided with a plurality of the second installing holes, and the bolt that passes the first installing hole and the second installing hole base 82 of getting off is fixedly connected with getting-on platform 83.As another kind of embodiment, get off integrally formed between base 82 and getting-on platform 83, the whole structure that is similar to vehicle frame that forms of the parts after this is integrally formed.
Above-described embodiment of the present utility model according to dynamic compaction machinery actual job characteristics, has been cancelled the setting of slew gear.The mode that generally adopts single-point to ram continuously due to dynamic compaction machinery, do not need frequent as crawler crane jib to be turned round control, in view of the dynamic compaction machinery rotating accuracy require not as crawler crane high, can realize the revolution operation by turning to of walking mechanism self fully, such as realizing the revolution operation by monolateral crawler belt or wheel tyre bead central rotation.
The one side of above-described embodiment can reduce the manufacturing cost of dynamic compaction machinery; On the other hand, in the process of strong rammer, the impact moment of flexure that dynamic compaction machinery bears is passed to ground by walking mechanism, has avoided fatigue damage or the inefficacy of parts, has improved structural stability and the reliability of complete machine.
In order further to improve the job stabilization of complete machine, avoid dynamic compaction machinery tumbling on partially soft out-of-flatness ground, the utility model can also comprise the supporting leg 9 shown in Fig. 3-5, supporting leg is arranged on getting-on platform 83, supporting leg 9 comprises can be at the flexible supporting leg of above-below direction, supporting leg is by Driven by Hydraulic Cylinder, and during dynamic compaction machinery work, supporting leg stretches out kiss the earth; During the dynamic compaction machinery walking, supporting leg is retracted.
By the supporting role of supporting leg, the machine gravity in the time of can stablizing the strong rammer operation.Aforementioned supporting leg can be only arranges single or multiple at the front end of getting-on platform 83, also can arrange in the rear end of getting-on platform 83 single or multiple, can also be provided with in the front-end and back-end of getting-on platform 83 single or multiplely, the utility model is not limited to this.
In addition, supporting leg 9 can also comprise outrigger arm, and an end of outrigger arm is swingable or telescopically connects getting-on platform 83, the other end connects supporting leg, thereby forms swing type outrigger or telescopic leg.When dynamic compaction machinery was worked, outrigger arm was shown or stretches out from getting-on platform, had extended the complete machine span, and the safe operation range of jib is larger.
Further, for the hydraulic fluid pressure in the stabilizing solution cylinder pressure, hydraulic cylinder of the present utility model also is connected with two position three-way valve 91 as shown in Figure 4, two position three-way valve 91 comprises oil-in, oil-out and actuator port, the rodless cavity of actuator port connecting fluid cylinder pressure, oil-in connects accumulator 92, and oil-out connects fuel tank 93.
When dynamic compaction machinery is worked, hydraulic cylinder stretches out, be full of hydraulic oil in its rodless cavity, when because of job state impact, when causing hydraulic fluid pressure in this rodless cavity to increase, two position three-way valve 91 is arranged in the next of Fig. 4, hydraulic oil leaks into fuel tank, in order to play cushioning effect, guarantee that this earial drainage process is mild, can also be provided with orifice plug 94 between the oil-out of two position three-way valve and fuel tank 93; In addition, when because of job state impact, when causing hydraulic fluid pressure in rodless cavity to reduce, two position three-way valve 91 is arranged in the upper of Fig. 4, accumulator in the rodless cavity repairing to guarantee its pressure.
Shown in Figure 5 is the schematic diagram of the supporting leg buffering oil circuit of another embodiment of the utility model, comprise overflow valve 95, one way valve 96 and hydraulic container 97, the oil-in connecting fluid cylinder pressure of overflow valve 95, oil-out connecting fluid pressure vessel 97, the oil-in connecting fluid pressure vessel 97 of one way valve 96, oil-out connecting fluid cylinder pressure.Overflow valve 95 and one way valve 96 are arranged in parallel between hydraulic cylinder and hydraulic container 97.Wherein, hydraulic container 97 can be accumulator, little hydraulic oil container etc., and volume can be determined according to hydraulic cylinder cushion stroke etc.
When the hydraulic cylinder pressurized of supporting leg, hydraulic fluid pressure is during greater than the opening pressure of overflow valve 95, and oil circuit to hydraulic container 97, plays cushioning effect by overflow valve 95 off-loads, and when the large I of the opening pressure of overflow valve 95 is worked according to car load, impact force is carried out relative set; And when the hydraulic cylinder stand under load hour, the hydraulic oil in hydraulic container 97 by one way valve 95 to the hydraulic cylinder repairing, to keep the oil-filled amount of hydraulic cylinder.
On the basis of technique scheme, the utility model can stabilizing leg hydraulic cylinder in hydraulic oil, can adapt to the intermittent impact force in the strong rammer process, guarantee that supporting leg can stably support complete machine weight, can not occur significantly rocking, increase job stabilization and safety.
In addition, in the embodiment shown in fig. 3, the utility model also provides a kind of hoisting mechanism of hydraulic oil cylinder driving, and this hoisting mechanism comprises the first oil cylinder 11, the first fixed pulley group 21, the first running block 31, arm head leading block 4 and connects the first rope 51 of hammer ram G.Wherein, the first end of the first oil cylinder 11 connects car body, second end connection first running block 31 of dynamic compaction machinery.The tailpiece of the piston rod of preferred the first oil cylinder 11 connects the cylinder barrel end connection body of the first running block 31, the first oil cylinders 11.
Shown in Figure 6 is the schematic diagram of the hoisting mechanism of the utility model one embodiment.In orientation shown in Figure 6, the first oil cylinder 11 carries out stretching motion at above-below direction, when the first oil cylinder 11 stretches out, the first oil cylinder 11 entire length are elongated, the first running block 31 moves upward, and the distance between the first running block 31 and the first fixed pulley group 21 reduces, and hammer ram G correspondingly falls; When the first oil cylinder 11 was retracted, the first oil cylinder 11 entire length shortened, and the first running block 31 moves downward, and the distance between the first running block 31 and the first fixed pulley group 21 increases, and hammer ram G carries on correspondingly.
The first fixed pulley group 21 can comprise one or more fixed pulleys, and similarly, the first running block 31 also can comprise one or more movable pulley.In order to increase multiplying power, the first fixed pulley group 21 preferably includes a plurality of fixed pulleys, and the movable pulley quantity of the first running block 31 and the quantity of fixed pulley are complementary, and the stroke of hammer ram G is M times of the first oil cylinder 11 strokes, and wherein M is the integer greater than 1.
In the embodiment shown in fig. 6, fixed pulley and movable pulley include 3, N=6, and the stroke of the first oil cylinder 11 can remain on rational scope, has reduced manufacturing difficulty, has advantages of easy to implement.In the embodiment shown in fig. 7, fixed pulley comprises 3, and movable pulley comprises 4, N=8, and the stroke of the first oil cylinder 11 equally also can remain on rational scope.
Carry on hammer ram G with dropping process in, each fixed pulley all rotates accordingly, each movable pulley will carry out translation under the effect of the first oil cylinder 11 when rotating.Can connect by multiple possible link between the first running block 31 and the first oil cylinder 11, can independently install between each movable pulley, also can integral installation.
In the embodiment shown in fig. 7, each movable pulley of the present utility model all is arranged on same installation shaft 61, and rotates centered by the axis of this installation shaft 61, and installation shaft 61 is arranged on installing rack 62, the second end connection frame 62 of the first oil cylinder 11.The direction of the first oil cylinder 11 stretching motions is vertical with the axis direction of this installation shaft 61.By the push-and-pull action of 11 pairs of installing racks 62 of the first oil cylinder, can realize the motion of moving the first assembly pulley 31 integral body.
Further, the jib 7 of preferred dynamic compaction machinery is box structure or trussed construction, and the first end of the first oil cylinder 11 is arranged on jib 7, and the first oil cylinder 11 be arranged in parallel with respect to jib 7, thereby can optimize space layout, and can be so that bulk shape is attractive in appearance.
Arm head leading block 4 is arranged on the arm head of end of jib 7, can arrange according to the structure of arm head single or multiple.In Fig. 3 and embodiment shown in Figure 8, arm head leading block 4 comprises two, and the first rope 51 is walked around two arm head leading blocks 4 successively.
On arm head leading block 4, encoder 40 can also be installed, the axle center of this encoder 40 is connected with the rotating shaft of arm head leading block 4, and encoder 40 is for detection of the rotational displacement of arm head leading block 4.This rotational displacement can be used as the foundation of construction policy development.Such as, can calculate the tamping depth of at every turn ramming according to this rotational displacement, and then whether up to standard judgement is rammed.
In addition, be provided with pressure sensor in the buffer area of the rodless cavity of the first oil cylinder 11, when pressure sensor detected compensator or trimmer pressure more than or equal to preset value, the piston rod of controlling the first oil cylinder 11 stopped action.All can retract when this pressure sensor can guarantee that the first oil cylinder 11 is rammed operation at every turn puts in place, and hammer ram G is promoted to peak, the situation of cylinder can not occur hitting, and encoder 40 all can be in this zero clearing calculating, thereby realization is without the measurement of cumulative errors.
Fig. 8 is the structural representation of the dynamic compaction machinery of the another embodiment of the utility model, and this dynamic compaction machinery also is provided with the hoisting mechanism of hydraulic oil cylinder driving shown in Figure 3.Different from cylinder jacking formula jib lubbing mechanism shown in Figure 3 is that this dynamic compaction machinery also is provided with a kind of jib lubbing mechanism of rope rear pull type.Shown in Figure 9 is the schematic diagram of the jib lubbing mechanism of the utility model one embodiment, and this jib lubbing mechanism comprises the second oil cylinder 12, the second fixed pulley group 22, the second running block 32 and the second rope 52.Wherein, the first end of the second oil cylinder 12 connects car body, second end connection second running block 32 of dynamic compaction machinery.
The principle of this jib lubbing mechanism is similar to aforementioned hoisting mechanism, the second rope 52 and can be with reference to aforementioned hoisting mechanism at the winding method of deciding on running block, and this paper does not repeat them here.
In orientation shown in Figure 9, the second oil cylinder 12 carries out stretching motion at above-below direction, when the second oil cylinder 12 stretches out, the second oil cylinder 12 entire length are elongated, the second running block 32 moves upward, distance between the second running block 32 and the second fixed pulley group 22 reduces, and jib 7 correspondingly leans forward centered by the pin joint of itself and car body; When the second oil cylinder 12 was retracted, the second oil cylinder 12 entire length shortened, and the second running block 32 moves downward, and the distance between the second running block 32 and the second fixed pulley group 22 increases, and jib 7 is correspondingly swung back centered by the pin joint of itself and car body.
The second fixed pulley group 22 can comprise one or more fixed pulleys, and similarly, the second running block 32 also can comprise one or more movable pulley.In order to increase multiplying power, the second fixed pulley group 22 preferably includes a plurality of fixed pulleys, and the movable pulley quantity of the second running block 32 and the quantity of fixed pulley are complementary, and the stroke of the second rope 52 is N times of the second oil cylinder 12 strokes, and wherein N is the integer greater than 1.On the basis of technique scheme, the stroke of the second oil cylinder 12 can remain on rational scope, has reduced manufacturing difficulty, has advantages of easy to implement.
The second fixed pulley group 22 can be arranged on a plurality of fixed parts on the dynamic compaction machinery car body, preferably is provided with support on the getting-on platform 83 of dynamic compaction machinery, and the second fixed pulley group 22 is arranged on support.This support can be as structures such as herringbones.Similar to the first running block 31, each movable pulley of the second running block 32 all can be arranged on same installation shaft, and installation shaft is arranged on installing rack, and the second end of the second oil cylinder 12 connects this installing rack.
In sum, dynamic compaction machinery of the present utility model, to get off directly is fixedly connected with between base 82 and getting-on platform 83, has cancelled in the prior art at the slew gear of getting off between base 82 and getting-on platform 83, and the rotation of jib 7 is by the realization that turns to of walking mechanism 81.Compared with prior art, the utlity model has following advantage:
1) Stability Analysis of Structures, reliability are high
The utility model requires characteristics lower than crawler crane according to the dynamic compaction machinery rotating accuracy, and the structure of crawler crane is optimized, and has cancelled slew gear.In the process of strong rammer, the impact moment of flexure that dynamic compaction machinery bears is passed to ground by walking mechanism 81, has avoided fatigue damage or the inefficacy of parts, has improved structural stability and the reliability of complete machine.
2) low cost of manufacture
The utility model has been owing to having cancelled slew gear, thereby can save the manufacturing cost of the parts such as pivoting support, hydraulic shock-absorption oil cylinder; In addition, in a preferred embodiment, the utility model can also adopt the hoisting mechanism of hydraulic oil cylinder driving, and the jib lubbing mechanism of hydraulic oil cylinder driving, for the elevator driving mechanism that prior art comprises motor, reductor and brake, it is simple in structure, for ease of maintenaince, when guaranteeing the strong rammer function, also greatly reduced manufacturing cost.
3) safety is good
The utility model can also be when dynamic compaction machinery be worked, the supporting leg of supporting leg 9 is stretched out kiss the earth, by the supporting role of supporting leg, the machine gravity in the time of can stablizing the strong rammer operation, avoid tumbling on partially soft out-of-flatness ground, increased job stabilization and safety.
Therefore, the beneficial effects of the utility model are significant.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (16)
1. dynamic compaction machinery, comprise walking mechanism (81), the base of getting off (82) and getting-on platform (83), described walking mechanism (81) is arranged on the described base of getting off (82), be provided with hoisting mechanism, jib lubbing mechanism and jib (7) on described getting-on platform (83), it is characterized in that, directly be fixedly connected with between the described base of getting off (82) and getting-on platform (83), the rotation of described jib (7) is by the realization that turns to of described walking mechanism (81).
2. dynamic compaction machinery according to claim 1, it is characterized in that, be provided with a plurality of the first installing holes on the described base of getting off (82), the correspondence position of described getting-on platform (83) is provided with a plurality of the second installing holes, and the bolt that passes described the first installing hole and the second installing hole is fixedly connected with the described base of getting off (82) with getting-on platform (83).
3. dynamic compaction machinery according to claim 1, is characterized in that, and is integrally formed between the described base of getting off (82) and getting-on platform (83).
4. dynamic compaction machinery according to claim 1, it is characterized in that, be provided with single or multiple supporting legs (9) on described getting-on platform (83), described supporting leg (9) comprises can be at the flexible supporting leg of above-below direction, described supporting leg is by Driven by Hydraulic Cylinder, during described dynamic compaction machinery work, described supporting leg stretches out kiss the earth; During described dynamic compaction machinery walking, described supporting leg is retracted.
5. dynamic compaction machinery according to claim 4, is characterized in that, described supporting leg (9) also comprises outrigger arm, and an end of described outrigger arm is swingable or telescopically connects described getting-on platform (83), the other end connects described supporting leg.
6. dynamic compaction machinery according to claim 4, it is characterized in that, described hydraulic cylinder also is connected with two position three-way valve (91), described two position three-way valve (91) comprises oil-in, oil-out and actuator port, described actuator port connects the rodless cavity of described hydraulic cylinder, described oil-in connects accumulator (92), and described oil-out connects fuel tank (93).
7. dynamic compaction machinery according to claim 6, is characterized in that, also is provided with orifice plug (94) between described oil-out and described fuel tank (93).
8. dynamic compaction machinery according to claim 4, it is characterized in that, also comprise overflow valve (95), one way valve (96) and hydraulic container (97), the oil-in of described overflow valve (95) connects described hydraulic cylinder, oil-out connects described hydraulic container (97), and the oil-in of described one way valve (96) connects described hydraulic container (97), oil-out connects described hydraulic cylinder.
9. according to claim 1-8 described dynamic compaction machineries of any one, it is characterized in that, described hoisting mechanism comprises first rope (51) of the first oil cylinder (11), the first fixed pulley group (21), the first running block (31), arm head leading block (4) and connection hammer ram (G), wherein:
Car body, the second end that the first end of described the first oil cylinder (11) is used for connecting dynamic compaction machinery connect described the first running block (31);
Described the first rope (51) is walked around described arm head leading block (4) after described the first fixed pulley group (21) and the upper coiling of the first running block (31), and is diverted to connection described hammer ram (G);
During described the first oil cylinder (11) stretching motion, described the first running block (31) moves with described the first oil cylinder (11), distance between described the first running block (31) and described the first fixed pulley group (21) increases or reduces, and the end of described the first rope (51) and described hammer ram (G) are carried or fall on correspondingly.
10. dynamic compaction machinery according to claim 9, it is characterized in that, described the first fixed pulley group (21) comprises a plurality of fixed pulleys, the movable pulley quantity of described the first running block (31) and the quantity of described fixed pulley are complementary, the stroke of described hammer ram (G) is M times of the first oil cylinder (11) stroke, and wherein M is the integer greater than 1.
11. dynamic compaction machinery according to claim 10, it is characterized in that, each movable pulley all is arranged on same installation shaft (61), and rotate centered by the axis of this installation shaft (61), described installation shaft (61) is arranged on installing rack (62), and the second end of described the first oil cylinder (11) connects described installing rack (62).
12. dynamic compaction machinery according to claim 9, it is characterized in that, the jib of described dynamic compaction machinery (7) is box structure or trussed construction, and the first end of described the first oil cylinder (11) is arranged on described jib (7), and described the first oil cylinder (11) be arranged in parallel with respect to described jib (7).
13. dynamic compaction machinery according to claim 9, be provided with pressure sensor in the buffer area of the rodless cavity of described the first oil cylinder (11), when described pressure sensor detected compensator or trimmer pressure more than or equal to preset value, the piston rod of controlling described the first oil cylinder (11) stopped action.
14. dynamic compaction machinery according to claim 9, it is characterized in that, also comprise encoder (40), the axle center of described encoder (40) is connected with the rotating shaft of described arm head leading block (4), and described encoder (40) is for detection of the rotational displacement of described arm head leading block (4).
15. according to claim 10-14 described dynamic compaction machineries of any one is characterized in that, described jib lubbing mechanism comprises the second oil cylinder (12), the second fixed pulley group (22), the second running block (32) and the second rope (52), wherein:
Car body, the second end that the first end of described the second oil cylinder (12) is used for connecting dynamic compaction machinery connect described the second running block (32);
Described the second rope (52) is after described the second fixed pulley group (22) and the upper coiling of described the second running block (32), and its end is used for connecting the jib (7) of dynamic compaction machinery;
During described the second oil cylinder (12) stretching motion, described the second running block (32) moves with described the second oil cylinder (12), distance between described the second running block (32) and the second fixed pulley group (22) increases or reduces, and the jib (7) that is used for driving described dynamic compaction machinery swings centered by the pin joint of itself and car body.
16. dynamic compaction machinery according to claim 15, it is characterized in that, described the second fixed pulley group (22) comprises a plurality of fixed pulleys, the movable pulley quantity of described the second running block (32) and the quantity of described fixed pulley are complementary, the stroke of described the second rope (52) is N times of the second oil cylinder (12) stroke, and wherein N is the integer greater than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220623557.7U CN203007925U (en) | 2012-11-22 | 2012-11-22 | Dynamic compactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220623557.7U CN203007925U (en) | 2012-11-22 | 2012-11-22 | Dynamic compactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203007925U true CN203007925U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220623557.7U Withdrawn - After Issue CN203007925U (en) | 2012-11-22 | 2012-11-22 | Dynamic compactor |
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| Country | Link |
|---|---|
| CN (1) | CN203007925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979075A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Dynamic compaction machine |
-
2012
- 2012-11-22 CN CN201220623557.7U patent/CN203007925U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979075A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Dynamic compaction machine |
| CN102979075B (en) * | 2012-11-22 | 2014-01-15 | 三一重工股份有限公司 | Dynamic compaction machine |
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