CN202947719U - Dynamic compactor and ramming depth measurement device thereof - Google Patents
Dynamic compactor and ramming depth measurement device thereof Download PDFInfo
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- CN202947719U CN202947719U CN201220623621.1U CN201220623621U CN202947719U CN 202947719 U CN202947719 U CN 202947719U CN 201220623621 U CN201220623621 U CN 201220623621U CN 202947719 U CN202947719 U CN 202947719U
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Abstract
The utility model provides a dynamic compactor and a ramming depth measurement device thereof. The device is used in a non-decoupling dynamic compactor. The device comprises an angle displacement detection device and a processor, wherein the angle displacement detection device is used for detecting the rotary angle displacement of a pulley, and the processor is connected to the angle displacement detection device and used for calculating the ramming strength of a tamper in accordance with the angle displacement of the pulley and the radius of the pulley. The device also can comprise a display device and/or an alarm. The ramming depth can be measured automatically, the measurement is accurate, the error is little, the reliability is high, the use is convenient and the automatic monitoring is achieved. The construction of the dynamic compactor is optimized and the best ramming number is guaranteed.
Description
Technical field
The utility model relates generally to engineering machinery field, specifically, relates to a kind of dynamic compaction machinery tamping depth measurement mechanism, and the dynamic compaction machinery that comprises this dynamic compaction machinery tamping depth measurement mechanism.
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 covil construction, warehouse, stockyard, harbour, airport, highway and railway roadbed, man-made island etc.After dynamic compaction machinery hangs specified altitude assignment with hammer ram, discharge hammer ram and make its free-falling, thereby can give ground with strong impulsive force and vibration, destroy the soil body and it is carried out compacting, reduce its compressibility, improve the degree of uniformity of soil layer, reduce the relative settlement that may occur in the future.
The ramming times of hammer ram and tamping depth are the important parameters in the dynamic compaction machinery work progress.In prior art, ramming times and tamping depth are mainly to rely on management personnel's real-time counting and actual measurement to obtain.Be accompanied by the whereabouts of hammer ram, the soil of hammer ram surrounding will swell, and this has brought very large difficulty to ramming the measurement that whether puts in place; In addition, if can not detail record to the historical data in certain construction, bring very large problem can for the quality of construction quality.
Such as, ram intensity and put in place, but because the protuberance of surrounding ground causes the personnel's of managing mistake measurement to make the increase of ramming times, and then make oil consumption increase, meaningless prolongation of activity duration has not only reduced operating efficiency, has also caused very large energy dissipation.
Adopt the mode of aforementioned manual record tamping depth, have the following disadvantages:
1) strong rammer building-site condition very severe, surveying instrument and personnel are nearer apart from dynamic compaction machinery, easily cause casualties;
2) measuring accuracy and the data recording accuracy human factor of being measured the record affects, and the survey record transmittance process is loaded down with trivial details, needs the surveyor to calculate, judge;
3) manual measurement has reduced operating efficiency, and increases cost of labor;
4) relatively poor at light, in the time of especially need carrying on construction work at night, measurement is difficult to carry out;
5) partially the conversion of the physical presence of hammer, the vertical measuring point of Sopwith staff institute and the error of perpendicularity of vertical Sopwith staff, and amass soil on the peen face and all make measuring error outwardness, more difficult elimination again;
6) there is hammer leakage hammer phenomenon steathily, can't automatically supervises.
Therefore, how providing a kind of online detection technique in real time, to raise the efficiency, to reduce error, to save cost, optimize the work progress of dynamic compaction machinery, is the technical matters 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 tamping depth measurement mechanism, can automatically measure tamping depth, improves the accuracy of measurement data, and improves convenience and the security of measuring process.
Dynamic compaction machinery tamping depth measurement mechanism of the present utility model, be used for non-disconnecting type dynamic compaction machinery, described dynamic compaction machinery comprises lift cylinder, rope and hammer ram, described rope winding is on one or more pulleys and connect described hammer ram, when described lift cylinder is flexible described hammer ram correspondingly fall or on carry, described dynamic compaction machinery tamping depth measurement mechanism comprises:
Angular displacement detecting device is for detection of the angular displacement of described pulley rotation;
Processor connects described angular displacement detecting device, and according to the angular displacement of described pulley and the radius of described pulley, calculates the tamping depth of described hammer ram.
Further, also comprise:
Display device connects described processor, is used for showing described tamping depth; And/or
Warning device connects described processor, is used for according to tamping depth and rams size cases between standard value, carries out corresponding alarm.
Another aspect of the present utility model also provides a kind of dynamic compaction machinery, and this dynamic compaction machinery is provided with the dynamic compaction machinery tamping depth measurement mechanism of aforementioned any one.
Further, be provided with pressure transducer in the buffer zone of the rodless cavity of described lift cylinder, when described pressure transducer detected compensator or trimmer pressure more than or equal to preset value, the piston rod of controlling described lift cylinder stopped action.
Further, the pulley of described dynamic compaction machinery comprises fixed pulley group, running block and arm head leading block, and car body, the second end that the first end of described lift cylinder is used for connecting dynamic compaction machinery connect described running block; Described rope is walked around described arm head leading block after reeling on described fixed pulley group and described running block, and is diverted to the described hammer ram of connection.
Further, described angular displacement detecting device is scrambler, and the axle center of described scrambler is connected with the rotating shaft of described arm head leading block.
Further, also comprise the reel that is arranged at rotationally on car body, the head end of described rope is fixed on described reel, but the part folding and unfolding of described rope be wound on described reel.
Further, the quantity of described reel is 2, and the quantity of described rope may be selected to be 1 or 2, realizes respectively single rope stretching state and double-rope state, and at described single rope stretching state, the head end of described rope connection wherein 1 reel, end connects hammer ram; At described double-rope state, the head end of 2 described ropes connects respectively 1 reel, end all connects hammer ram.
Further, described running block comprises a plurality of many pulleys, and each travelling block all is arranged on same installation shaft, and rotates centered by the axis of this installation shaft, described installation shaft is arranged on mounting bracket, and the second end of described lift cylinder connects described mounting bracket.
The utility model is the established angle displacement detector on the pulley of dynamic compaction machinery, and according to the tamping depth of the radius calculation hammer ram of the angular displacement of pulley and pulley, can realize the automatic measurement of tamping depth.
As a kind of preferred implementation, the rodless cavity buffer zone setting pressure sensor by at lift cylinder can guarantee that hammer ram is promoted to peak, the situation of cylinder can not occur hitting, and angle displacement measurement all can be in this zero clearing, thereby realizes without cumulative errors.
Scrambler of the present utility model can be passed to control system in real time with record data, and the utility model also can be stored real time data, records automatically full and accurate working condition information, saves human cost, convenient inquiry.
Whether the utility model can also automatic decision be rammed up to standardly, by automatic supervision, has avoided stealing the generation that hammer leaks the hammer phenomenon, has also avoided ramming too much, has optimized work progress, guarantees that ramming times is best.
Description of drawings
Fig. 1 is the process flow diagram of the dynamic compaction machinery tamping depth measuring method of the utility model the first embodiment;
Fig. 2 is the schematic diagram that the tamping depth of the utility model one embodiment is measured;
The graph of a relation of the angular velocity of pulley and time when Fig. 3 is the strong rammer operation;
Fig. 4 is the process flow diagram of the dynamic compaction machinery tamping depth measuring method of the utility model the second embodiment;
Fig. 5 is the structured flowchart of the dynamic compaction machinery tamping depth measurement mechanism of the utility model one embodiment;
Fig. 6 is the structural representation of the dynamic compaction machinery of the utility model one embodiment;
Fig. 7 is the structural representation of deciding running block of the utility model dynamic compaction machinery embodiment illustrated in fig. 6;
Fig. 8 a is the structure principle chart of the utility model one embodiment list rope stretching state;
Fig. 8 b is the structure principle chart of the utility model one embodiment double-rope state;
Fig. 9 is the structural representation of the lift cylinder of the utility model one embodiment.
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.
Basic thought of the present utility model is to provide a kind of dynamic compaction machinery and tamping depth measurement mechanism thereof, and this device is completed measuring process by dynamic compaction machinery tamping depth measuring method described herein.For the ease of the understanding of those skilled in the art to technical scheme, this paper first is described dynamic compaction machinery tamping depth measuring method.
Shown in Figure 1 is the process flow diagram of the dynamic compaction machinery tamping depth measuring method of the utility model the first embodiment.This dynamic compaction machinery tamping depth measuring method is used for non-disconnecting type dynamic compaction machinery.This non-disconnecting type dynamic compaction machinery comprises lift cylinder 1, rope 5 and hammer ram G, and its structure can be with reference to figure 2.Rope 5 is wound on one or more pulleys and connects hammer ram G, when lift cylinder 1 is flexible hammer ram G correspondingly fall or on carry, this dynamic compaction machinery has adopted the hoisting gear of hydraulic oil cylinder driving.
This dynamic compaction machinery tamping depth measuring method comprises:
Step 1: detect the angular displacement that pulley rotates;
This step 1 can detect any one or several pulley of dynamic compaction machinery hoisting gear, as the fixed pulley in the travelling block in running block 3 (with reference to figure 2), fixed pulley group 2, arm head leading block 4 etc.The angular displacement that preferred detection arm head leading block 4 rotates.
Step 2: according to the angular displacement of pulley and the radius of pulley, calculate the tamping depth △ H of hammer ram G.
In the first embodiment shown in Figure 1, dynamic compaction machinery tamping depth measuring method specifically comprises:
Step 11: at hammer ram and ground time of contact t1, detect the first angle θ 1 of pulley;
Step 12: at t2 of the downward stop motion moment of hammer ram, detect the second angle θ 2 of pulley;
Step 21: according to the first difference (θ 2-θ 1) of the second angle θ 2, the first angle θ 1 and the radius r of pulley, calculate the tamping depth △ H of hammer ram G.
The utility model can be determined the downward stop motion of aforementioned hammer ram and ground time of contact t1 and hammer ram t2 constantly in several ways.As a kind of embodiment, control system to the angular displacement differentiate of record, calculates the angular velocity w that pulley rotates according to angular displacement and the time relationship of record, and can draw as shown in Figure 3 pulley angular velocity w and the graph of a relation of time T.
With reference to figure 3, belong to accelerated motion during hammer ram G free-falling, at hammer ram and ground time of contact t1, angular velocity begins to descend; Then hammer ram G begins to ram ground, does retarded motion, until t2 of the downward stop motion moment of hammer ram, angular velocity is kept to zero.
With reference to figure 6, at hammer ram and ground time of contact t1, the rope stretching length of rope 5 is H1; At t2 of the downward stop motion moment of hammer ram, the rope stretching length of rope 5 is H2, the computing formula of tamping depth: △ H=H2-H1=θ 2r-θ 1r=(θ 2-θ 1) r.This computing formula can also be carried out various corrections.
Further, in the first embodiment shown in Figure 1, dynamic compaction machinery tamping depth measuring method also comprises:
Step 3: set and to ram standard value H0, and judgement tamping depth △ H and the size of ramming between standard value H0, if tamping depth △ H is greater than ramming standard value H0, points out and continue to ram; If tamping depth △ H is less than or equal to ramming standard value H0, prompting is rammed and is completed.
Whether this step can automatic decision be rammed up to standardly, when tamping depth △ H is very little, when namely being difficult to ground be tamped downwards again, reaching and rams requirement.By automatic supervision, avoided stealing the generation that hammer leaks the hammer phenomenon, also avoided ramming too much, optimized work progress, guarantee that ramming times is best.
In addition, the first embodiment also comprises the step that shows tamping depth △ H.Operating personnel can know the tamping depth △ H that operation is rammed in each time intuitively, and strategy provides foundation in order to construct.The demonstration of tamping depth △ H can be both that numeral shows, can be also that mimic diagram shows.
As the second embodiment of the present utility model, as shown in Figure 4, dynamic compaction machinery tamping depth measuring method specifically comprises:
Step 1a: begin to discharge t0 constantly at hammer ram, detect the start angle θ 0 of pulley;
Step 1b: at t2 of the downward stop motion moment of hammer ram, detect the second angle θ 2 of pulley;
As previously mentioned, to stop t2 constantly downwards be preferably zero constantly to determine according to angular velocity to hammer ram.Hammer ram begins to discharge constantly that t0 can determine according to the moment of start-up operation switch, also can determine according to angular velocity moment that increases of starting from scratch.
The rope stretching length that each time rammed when completing can adopt following formula: H
n=［ θ 2
(n)-θ 0
(n)R.Tamping depth is: △ H=H
n-H
n-1Need to prove, for the second embodiment, the measurement of aforementioned first each time of embodiment tamping depth △ H all can complete independently, thereby realizes the measurement without cumulative errors.
Similarly, the utility model the second embodiment also can comprise and whether judges tamping depth △ H less than or equal to the step of ramming standard value H0, and the step that shows tamping depth △ H.Because preamble illustrates, do not repeat them here.
Shown in Figure 5 is the structured flowchart of the dynamic compaction machinery tamping depth measurement mechanism of the utility model one embodiment.This dynamic compaction machinery tamping depth measurement mechanism is used for non-disconnecting type dynamic compaction machinery, and comprises angular displacement detecting device 71 and processor 72.Wherein, the angular displacement that this angular displacement detecting device 71 rotates for detection of pulley, it can be converted into electric signal with the angular displacement signal that pulley rotates, and exports processor 72 to.Different according to angular displacement detecting device 71 types, it can be installed on the diverse location of pulley.This angular displacement detecting device 71 is preferably scrambler, and the axle center of this scrambler is connected with the rotating shaft of pulley.
These processor 72 joint angle displacement detectors 71, and according to the angular displacement of pulley and the radius of pulley, calculate the tamping depth △ H of hammer ram G.The method of processor 72 calculating tamping depth △ H can be with reference to the embodiment of aforementioned dynamic compaction machinery tamping depth measuring method.
Further, this dynamic compaction machinery depth measurement device can also comprise display device 73 and/or warning device 74.Wherein, this display device 73 connects processor 72, is used for showing tamping depth △ H, and this display device 73 both can have been carried out numeral and shown, also can carry out mimic diagram and show.
This warning device 74 connects processors 72, is used for according to tamping depth △ H and rams size cases between standard value H0, carries out corresponding alarm.This warning device 74 can be the acousto-optic parts such as hummer or pilot lamp, and correspondingly alerting signal can be the buzzing of hummer, the luminous or flicker of pilot lamp.Such as, as tamping depth △ H when ramming standard value, the hummer sounding alarm, thus alert is rammed up to standard completing.
In addition, the invention also discloses a kind of dynamic compaction machinery that comprises aforementioned dynamic compaction machinery depth measurement device, the structure of this dynamic compaction machinery as shown in Figure 6.This dynamic compaction machinery also comprises lift cylinder 1, rope 5, hammer ram G and pulley, and each several part can be with reference to above stated specification.
As shown in Figure 2, the pulley of this dynamic compaction machinery preferably includes fixed pulley group 2, running block 3 and arm head leading block 4, and car body, the second end that the first end of lift cylinder 1 connects dynamic compaction machinery connect running block 3; Rope 5 is preferably walked around arm head leading block 4 from bottom to top after reeling on fixed pulley group 2 and running block 3, and is diverted to and connects from the top down hammer ram G.Aforementioned can be both straight up and down up and down, can be also the above-below direction of inclination certain angle.
Arm head leading block 4 can arrange one or two according to the structure of arm head.In Fig. 2 and embodiment shown in Figure 6, arm head leading block 4 comprises two, and rope 5 is walked around two arm head leading blocks 4 successively.
The utility model fixed pulley group 2 can comprise one or more fixed pulleys, and similarly, running block 3 also can comprise one or more travelling block.In order to increase multiplying power, fixed pulley group 2 of the present utility model preferably includes a plurality of fixed pulleys, and the travelling block quantity of running block 3 and the quantity of fixed pulley are complementary, and the stroke of hammer ram G is N times of lift cylinder 1 stroke, and wherein N is the integer greater than 1.
In the embodiment shown in Figure 2, fixed pulley and travelling block include 3, N=6, and the stroke of lift cylinder 1 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 travelling block comprises 4, N=8, and the stroke of lift cylinder 1 equally also can remain on rational scope.
Carry on hammer ram G with dropping process in, each fixed pulley all rotates accordingly, each travelling block will carry out translation under the effect of lift cylinder 1 when rotating.Can connect by multiple possible link between running block 3 and lift cylinder 1, can independently install between each travelling block, also can integral installation.
In the embodiment shown in fig. 7, each travelling block 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 mounting bracket 62, the second end connection support 62 of lift cylinder 1.The direction of lift cylinder 1 stretching motion is vertical with the axis direction of this installation shaft 61.By the push-and-pull action of 1 pair of mounting bracket 62 of lift cylinder, can realize the motion of running block 3 integral body.
Need to prove, because rope 5 ends of the present utility model connect hammer ram G, under long-term work, the parts that rope 5 connects hammer ram G easily produce wearing and tearing.If the length of this rope 5 can't be adjusted, after end fray lost efficacy, need to change the whole-root rope rope, use cost is high.
In view of this, embodiment shown in the utility model Fig. 8 a and Fig. 8 b also provides a kind of technical scheme of capable of regulating rope rope stretching length, comprise the reel 90 that is arranged at rotationally on car body, the head end of rope 5 is fixed on reel 90, but the part folding and unfolding of rope 5 be wound on reel 90.This reel 90 can be arranged on the getting-on platform of dynamic compaction machinery, both can adopt hand rotation, also can adopt mechanism's drivings such as oil motor.After rope 5 connects the end fray of hammer ram G, can cut off the part that end has worn and torn, the rope 5 that is wound on reel 90 is emitted, reconnect hammer ram G, namely can compensate the partial-length of cutting, need not to change the whole-root rope rope, can guarantee the rope stretching amount of rope 5, guarantee to ram requirement.
In the transportation of dynamic compaction machinery, need to be with the separately transportation of boom system of dismounting.For aforementioned reel 90, can also when transportation, rope 5 be packed up, the very convenient rope closing of this reel 90 avoids the random bulk storage of rope on platform, has advantages of to be artistically decorated.
Further, for same dynamic compaction machinery, can realize ramming and to expand by changing baudrier.The utility model can also be realized the double-rope state shown in the single rope stretching state shown in Fig. 8 a and Fig. 8 b.The hammer ram G weight of mating during single rope stretching state is that M(is as 20 tons), the hammer ram G weight of mating during the double-rope state can reach 2M(as 40 tons), under the identical prerequisite of hoisting depth, can make rammer to be doubled.Correspondingly, the quantity of the reel 90 that arranges on car body is 2, and the quantity of rope 5 may be selected to be 1 or 2, realizes respectively single rope stretching state and double-rope state.
At the single rope stretching state shown in Fig. 8 a, the head end of rope 5 connection wherein 1 reel 90, end connects hammer ram G; Other 1 reel 90 is in idle state.Rope 5 is also reeled on fixed pulley group 2 and running block 3, and can realize that rope 5 turns to that (aforementioned angular displacement detecting device 71 also can be arranged on leading block through leading block.) in the state shown in this figure, the quantity of travelling block is 4, N=8.
At the double-rope state shown in Fig. 8 b, the head end of 2 ropes 5 connects respectively 1 reel 90, end all connects hammer ram G.Each rope 5 is also reeled on fixed pulley group 2 and running block 3, and can realize that rope 5 turns to through leading block.In the state shown in this figure, the travelling block quantity of each rope 5 processes is 2, N=4.2 reels 90 can be adjusted each rope lengths respectively, thereby guarantee the consistance of 2 rope rope stretching length and action, improve the functional reliability of dynamic compaction machinery.
For the dynamic compaction machinery of aforementioned structure, action control for the ease of lift cylinder 1, can be provided with pressure transducer 10 as shown in Figure 9 in the buffer zone of the rodless cavity of lift cylinder 1, when pressure transducer 10 detected compensator or trimmer pressure more than or equal to preset value, the piston rod of controlling lift cylinder 1 stopped action.All can retract when this pressure transducer 10 can guarantee that lift cylinder 1 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 angle displacement measurement all can be in this zero clearing, thereby realization is without the measurement of cumulative errors.
Angular displacement detecting device 71 is preferably scrambler, and the axle center of scrambler is connected with the rotating shaft of arm head leading block 4.Scrambler can directly or indirectly be connected with arm head leading block 4.As a kind of embodiment, scrambler connects arm head leading block 4 by gear drive.By adopting high-precision rotary encoder as angular displacement detecting device 71, can realize the accurate measurement of tamping depth △ H.
In sum, the utility model is established angle displacement detector 71 on the pulley of dynamic compaction machinery, and according to the tamping depth △ H of the radius calculation hammer ram G of the angular displacement of pulley and pulley.Compared with prior art, the utlity model has following advantage:
1) measurement is accurate, error is little
The utility model can adopt high-precision rotary encoder as angular displacement detecting device 71, thereby realizes the accurate measurement of tamping depth △ H; And, by the rodless cavity buffer zone setting pressure sensor 10 at lift cylinder 1, can guarantee all can retract when lift cylinder 1 is rammed operation at every turn and put in place, hammer ram G is promoted to peak, the situation of cylinder can not appear hitting, and angle displacement measurement all can be in this zero clearing, thereby realizes without cumulative errors.
2) reliability is high, easy to use
Scrambler of the present utility model can be passed to control system in real time with record data, and computation process is carried out in control system, convenience of calculation, and debugging is simple, and reliability is high; In addition, the utility model also can be stored real time data, records automatically full and accurate working condition information, saves human cost, convenient inquiry.
3) automatic supervision, Optimizing construction
The utility model can be set and ram standard value, and contrasts the tamping depth △ H that each time ram and ram size between standard value, by automatic supervision, has avoided stealing the generation that hammer leaks the hammer phenomenon; In addition, after the strong rammer operation is up to standard, avoided having optimized work progress because ramming the problems such as the too much activity duration prolongation that causes, energy consumption increase, guaranteed that ramming times is best.
Therefore, the beneficial effects of the utility model are apparent.
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 (9)
1. dynamic compaction machinery tamping depth measurement mechanism, be used for non-disconnecting type dynamic compaction machinery, it is characterized in that, described dynamic compaction machinery comprises lift cylinder (1), rope (5) and hammer ram (G), described rope (5) is wound on one or more pulleys and connects described hammer ram (G), when described lift cylinder (1) is flexible described hammer ram (G) correspondingly fall or on carry, described dynamic compaction machinery tamping depth measurement mechanism comprises:
Angular displacement detecting device (71) is for detection of the angular displacement of described pulley rotation;
Processor (72) connects described angular displacement detecting device (71), and according to the angular displacement of described pulley and the radius of described pulley, calculates the tamping depth (△ H) of described hammer ram (G).
2. dynamic compaction machinery tamping depth measurement mechanism according to claim 1, is characterized in that, also comprises:
Display device (73) connects described processor (72), is used for showing described tamping depth (△ H); And/or
Warning device (74) connects described processor (72), is used for according to tamping depth (△ H) and rams size cases between standard value (H0), carries out corresponding alarm.
3. a dynamic compaction machinery, is characterized in that, is provided with the described dynamic compaction machinery tamping depth of claim 1 or 2 measurement mechanism.
4. dynamic compaction machinery according to claim 3, it is characterized in that, be provided with pressure transducer (10) in the buffer zone of the rodless cavity of described lift cylinder (1), when described pressure transducer (10) detected compensator or trimmer pressure more than or equal to preset value, the piston rod of controlling described lift cylinder (1) stopped action.
5. dynamic compaction machinery according to claim 3, it is characterized in that, the pulley of described dynamic compaction machinery comprises fixed pulley group (2), running block (3) and arm head leading block (4), and car body, the second end that the first end of described lift cylinder (1) is used for connecting dynamic compaction machinery connect described running block (3); Described rope (5) is walked around described arm head leading block (4) after described fixed pulley group (2) and the upper coiling of described running block (3), and is diverted to connection described hammer ram (G).
6. dynamic compaction machinery according to claim 5, is characterized in that, described angular displacement detecting device (71) is scrambler, and the axle center of described scrambler is connected with the rotating shaft of described arm head leading block (4).
7. dynamic compaction machinery according to claim 3, it is characterized in that, also comprise the reel (90) that is arranged at rotationally on car body, the head end of described rope (5) is fixed on described reel (90), described rope (5) but the part folding and unfolding be wound on described reel (90).
8. dynamic compaction machinery according to claim 7, it is characterized in that, the quantity of described reel (90) is 2, the quantity of described rope (5) may be selected to be 1 or 2, realize respectively single rope stretching state and double-rope state, at described single rope stretching state, the head end of described rope (5) connects wherein 1 reel (90), end connection hammer ram (G); At described double-rope state, the head end of 2 described ropes (5) connects respectively 1 reel (90), end all connects hammer ram (G).
9. dynamic compaction machinery according to claim 5, it is characterized in that, described running block (3) comprises a plurality of many pulleys, each travelling block 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 mounting bracket (62), and the second end of described lift cylinder (1) connects described mounting bracket (62).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980548A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Dynamic compaction machine, ramming depth measuring method and device of dynamic compaction machine |
| CN103241672A (en) * | 2013-06-03 | 2013-08-14 | 徐工集团工程机械股份有限公司 | Dynamic compactor and winding device thereof |
| CN105467915A (en) * | 2015-12-31 | 2016-04-06 | 浙江三一装备有限公司 | Automatic control system and automatic control method for dynamic compactor |
| CN110862039A (en) * | 2019-11-12 | 2020-03-06 | 湖南博邦重工有限公司 | Dynamic compaction machine control system |
-
2012
- 2012-11-22 CN CN201220623621.1U patent/CN202947719U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980548A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Dynamic compaction machine, ramming depth measuring method and device of dynamic compaction machine |
| CN103241672A (en) * | 2013-06-03 | 2013-08-14 | 徐工集团工程机械股份有限公司 | Dynamic compactor and winding device thereof |
| CN105467915A (en) * | 2015-12-31 | 2016-04-06 | 浙江三一装备有限公司 | Automatic control system and automatic control method for dynamic compactor |
| CN110862039A (en) * | 2019-11-12 | 2020-03-06 | 湖南博邦重工有限公司 | Dynamic compaction machine control system |
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