CN103344208A - Method and device for measuring compacting depth of oil-cylinder-type dynamic compactor and dynamic compactor - Google Patents
Method and device for measuring compacting depth of oil-cylinder-type dynamic compactor and dynamic compactor Download PDFInfo
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- CN103344208A CN103344208A CN2013102367595A CN201310236759A CN103344208A CN 103344208 A CN103344208 A CN 103344208A CN 2013102367595 A CN2013102367595 A CN 2013102367595A CN 201310236759 A CN201310236759 A CN 201310236759A CN 103344208 A CN103344208 A CN 103344208A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
- E02D3/054—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil involving penetration of the soil, e.g. vibroflotation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
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- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
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Abstract
The invention provides a method and device for measuring compacting depth of an oil-cylinder-type dynamic compactor and the dynamic compactor. The device for measuring compacting depth of the oil-cylinder-type dynamic compactor comprises a straight-line displacement detecting device and a processor, wherein the straight-line displacement detecting device is used for detecting travel of a lifting oil cylinder, the processor is connected with the straight-line displacement detecting device, and the compacting depth of a compacting hammer at every time is calculated according to the travel of the lifting oil cylinder and multiplying power K of a pulley block. The device for measuring compacting depth of the oil-cylinder-type dynamic compactor can further comprise a displaying device, an alarming device, a pressure sensor and the like. According to the method and device for measuring compacting depth of the oil-cylinder-type dynamic compactor, automatic measuring of the compacting depth can be achieved, and the method and device for measuring compacting depth of the oil-cylinder-type dynamic compactor have the advantages of being high in measurement accuracy, low in cost and good in reliability.
Description
Technical field
The present invention relates generally to engineering machinery field, specifically, relates to a kind of cylinder type dynamic compaction machinery and rams depth measurement method and device, and comprise that this cylinder type dynamic compaction machinery rams the dynamic compaction machinery of depth measurement device.
Background technology
Dynamic compaction machinery is a kind of for the engineering machinery that material or ground are carried out shock compaction, is widely used in the every field of capital construction.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.
Hammer ram rams number of times and rams the important parameter that the degree of depth is the dynamic compaction machinery construction in the work progress.In the prior art, ramming number of times and ramming the degree of depth mainly is to rely on management personnel's real-time counting and actual measurement to obtain.Be accompanied by the whereabouts of hammer ram, the soil around the hammer ram will swell, and this has brought very big 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 big problem then 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 to measure the feasible increase of ramming number of times, and then make oil consumption increase, meaningless prolongation of activity duration has not only reduced operating efficiency, has also caused very big energy dissipation.
Adopt aforementioned manual record to ram the mode of the degree of depth, have that operating efficiency is low, cost is high, error is big, measurement is not enough, the personnel that easily cause injure and exist and steal hammer and leak deficiencies such as hammer phenomenon.In order to address these problems, the application people be that SANY Heavy Industry Co., Ltd, application number are 201210477177.1, are called that the Chinese patent application of " a kind of dynamic compaction machinery and ram depth measurement method, device " discloses a kind ofly can measure the technical scheme of ramming the degree of depth automatically, the angular displacement that this method is measured and the different pulleys constantly of record rotate, draw angle difference, and then the length difference of twice rope before and after being converted into, ram the degree of depth thereby draw.
But for the scheme of aforementioned automatic measurement, because it is applied in the non-disconnecting type dynamic compaction machinery, the prerequisite of this metering system is to have good synchronism between requirement hammer ram ropes and the pulley, and requires rope to be in tensioning state always.But owing to skid poor synchronization easily between rope and the pulley; And in the hammer ram dropping process, rope is followed the hammer ram motion, but after hammer ram landed, under inertia effect, rope still can continue motion.These two reasons have directly influenced the synchronism of rope and pulley, thereby cause measurement result inaccurate.
Therefore, when improving measurement efficient with respect to the manual measurement mode, reducing cost, how to improve the accuracy of ramming depth survey of dynamic compaction machinery, be still the technical matters that those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of cylinder type dynamic compaction machinery to ram depth measurement method, can measure automatically and ram the degree of depth, and can solve the deficiency of prior art measurement data poor accuracy.
Cylinder type dynamic compaction machinery of the present invention is rammed depth measurement method, described dynamic compaction machinery comprises lift cylinder, pulley blocks, rope and hammer ram, described rope is wound on the described pulley blocks and connects described hammer ram, the multiplying power of described pulley blocks is K, when described lift cylinder is flexible described hammer ram correspondingly fall or on carry, described cylinder type dynamic compaction machinery is rammed depth measurement method and is comprised:
Step 1: the stroke that detects described lift cylinder;
Step 2: according to stroke and the pulley block ratio K of described lift cylinder, calculate the degree of depth of ramming of the each ramming of described hammer ram.
Further, cylinder type dynamic compaction machinery of the present invention is rammed depth measurement method and is specifically comprised:
Step 11: for the i time ramming, detect first length between described lift cylinder point of fixity and the transfer point;
Step 12: for the i+1 time ramming, detect second length between described lift cylinder point of fixity and the transfer point;
Step 21: according to difference and the pulley block ratio K of described second length, first length, described hammer ram rams the degree of depth when calculating the i+1 time ramming.
Further, step 11 is specially:
After the i time ramming finished, lift cylinder action makes on the rope to be carried, and reached moment of first preset value, first length of record described lift cylinder this moment at the rod chamber pressure of described lift cylinder.
Replacedly, step 11 is specially:
After the i time ramming finished, lift cylinder action makes on the rope to be carried, and reached moment of second preset value, first length of record described lift cylinder this moment at the pulling force of described rope.
Further, cylinder type dynamic compaction machinery of the present invention is rammed depth measurement method and is also comprised:
Step 3: set and ram the dark required value in hole, and judge and ram the degree of depth and the described size of ramming between the dark required value in hole, if ram the degree of depth greater than the described dark required value in hole of ramming, then prompting continues to ram; If ram the degree of depth smaller or equal to the described dark required value in hole of ramming, then prompting is rammed and is finished.
Another aspect of the present invention, also provide a kind of cylinder type dynamic compaction machinery to ram depth measurement device, described dynamic compaction machinery comprises lift cylinder, pulley blocks, rope and hammer ram, described rope is wound on the described pulley blocks and connects described hammer ram, the multiplying power of described pulley blocks is K, when described lift cylinder is flexible described hammer ram correspondingly fall or on carry, described cylinder type dynamic compaction machinery is rammed depth measurement device and is comprised:
The straight-line displacement pick-up unit is for detection of the stroke of described lift cylinder;
Processor connects described straight-line displacement pick-up unit, and according to stroke and the pulley block ratio K of described lift cylinder, calculates the degree of depth of ramming of the each ramming of described hammer ram.
Further, cylinder type dynamic compaction machinery of the present invention is rammed depth measurement device and is also comprised:
Display device connects described processor, is used for showing the described degree of depth of ramming; And/or
Warning device connects described processor, is used for carrying out corresponding alarm according to ramming the degree of depth and ramming the size cases of cheating between the dark required value.
Further, described straight-line displacement pick-up unit is backguy displacement transducer, laser displacement sensor or ultrasonic displacement sensor.
Further, the rod chamber of described lift cylinder is provided with pressure transducer, and the pressure that detects the lift cylinder rod chamber at described pressure transducer reaches the moment of first preset value, the length of described straight-line displacement detection device records lift cylinder this moment.
Replacedly, be connected with stretching force detecting apparatus on the described rope, the pulling force that detects rope at described stretching force detecting apparatus reaches the moment of second preset value, the length of described straight-line displacement detection device records lift cylinder this moment.
Another aspect of the present invention also provides a kind of dynamic compaction machinery, and this dynamic compaction machinery is provided with aforementioned each cylinder type dynamic compaction machinery and rams depth measurement device.
Further, described dynamic compaction machinery comprises fixed pulley group, running block and arm head leading block, and car body, second end that first end of described lift cylinder connects dynamic compaction machinery connect described running block; Described rope is walked around described arm head leading block behind described fixed pulley group and described running block coiling, and is diverted to the described hammer ram of connection, and the travelling block of described running block is X, and pulley block ratio K is relevant with X.
Further, described dynamic compaction machinery also comprises guide rail and guiding moving member, and described guide rail is fixed, and described guiding moving member is limited on the described guide rail, and can move along described guide rail, and described guiding moving member is connected with described running block and/or described lift cylinder.
Further, described guiding moving member is rolling member, and described rolling member comprises first roller on the erecting frame that is arranged at described running block and/or is arranged at second roller on the hinged seat of described running block and described lift cylinder.
The present invention passes through to detect the stroke of lift cylinder, and concerns according to the fixedly multiplying power of pulley blocks, can calculate the degree of depth of ramming of hammer ram, realizes ramming the automatic measurement of the degree of depth.
Because also keep strict multiplying power relation between the stroke of lift cylinder and the stroke of hammer ram, synchronism is very good, influences the problem of accuracy because skidding between rope and the pulley in the time of can avoiding measurement of angle, therefore can guarantee measurement accuracy and reliability.
And the application detects the displacement detecting that is converted in the little stroke range of lift cylinder with the big travel displacement of rope and hammer ram, reduced the measurement difficulty.
In further technical scheme, can pressure transducer be set at the rod chamber of lift cylinder, perhaps connect stretching force detecting apparatus at rope, thereby guarantee that each moment rope that detects the lift cylinder stroke is identical tensioning state, reduced measuring error, by keeping the consistance of measuring basis, improved and measured stability.
In addition, the present invention can also judge whether to ram up to standard automatically, 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 to ram number of times the best.
Description of drawings
The accompanying drawing that constitutes a part of the present invention is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram that the cylinder type dynamic compaction machinery of one embodiment of the invention is rammed depth measurement method;
Fig. 2 is the annexation figure of lift cylinder, rope and the hammer ram of one embodiment of the invention;
Fig. 3 a is the constitutional diagram of lift cylinder when ramming for the i time of one embodiment of the invention;
Fig. 3 b is the constitutional diagram of lift cylinder when ramming for the i+1 time of one embodiment of the invention;
Fig. 4 is the structured flowchart that the cylinder type dynamic compaction machinery of one embodiment of the invention is rammed depth measurement device;
Fig. 5 is the structural representation of the dynamic compaction machinery of one embodiment of the invention;
Fig. 6 is the structural representation of the lift cylinder of one embodiment of the invention;
Fig. 7 is the scheme of installation of the running block of one embodiment of the invention.
Description of reference numerals:
Lift cylinder-1 fixed pulley group-2 running block-3 arm head leading block-4 rope-5 hammer rams-G pressure transducer-1a guide rail-10 first roller-11 second roller-12 erecting frame-30 hinged seat-31 straight-line displacement pick-up unit-71 processor-72 display device-73 warning device-74
Embodiment
In order more to be expressly understood above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments the present invention is further described in detail.
Set forth a lot of details in the following description so that fully understand the present invention, still, the present invention can also adopt other to be different from other modes described here and implement, and therefore, the present invention is not limited to the restriction of following public specific embodiment.
Basic thought of the present invention is to provide a kind of cylinder type dynamic compaction machinery and rams depth measurement device, and this device is rammed depth measurement method by cylinder type dynamic compaction machinery described herein and finished measuring process.For the ease of the understanding of those skilled in the art to technical scheme, this paper rams depth measurement method to the cylinder type dynamic compaction machinery earlier and is described.
Shown in Figure 1 is the process flow diagram that the cylinder type dynamic compaction machinery of one embodiment of the invention is rammed depth measurement method, and this cylinder type dynamic compaction machinery is rammed depth measurement method and is used for non-disconnecting type dynamic compaction machinery.This non-disconnecting type dynamic compaction machinery comprises lift cylinder 1, pulley blocks, rope 5 and hammer ram G, and its structure can be with reference to figure 2.Rope 5 is wound on the pulley blocks and connects hammer ram G, and the multiplying power of pulley blocks is K, 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.Wherein, the stroke of hammer ram G be lift cylinder 1 stroke K doubly.
For different pulley connection status, the value difference of aforementioned K.Hammer ram G fall and the process carried in, also have the multiplying power relation between the stroke of the stroke of hammer ram G and lift cylinder 1, its multiplying power concerns can equal K, perhaps according to the real work situation, carries out various corrections on the basis of K.The value of this K can be 1, is preferably greater than 1, thereby the little travel displacement of lift cylinder 1 is converted into the big travel displacement of hammer ram G.In addition, according to the real work situation, the value of this K can also be carried out various corrections.
This cylinder type dynamic compaction machinery is rammed depth measurement method and is comprised:
Step 1: the stroke that detects lift cylinder 1;
This step 1 can be chosen point of fixity at the cylinder barrel end by the stroke of detected in various ways lift cylinder 1, selects transfer point at tailpiece of the piston rod.The length of this lift cylinder 1 can be point of fixity to the distance between the transfer point, the stroke of lift cylinder 1 then is before the motion and the length difference of motion back lift cylinder 1.
Step 2: according to stroke and the pulley block ratio K of lift cylinder 1, that calculates the each ramming of hammer ram G rams degree of depth △ H.
What the present invention can finally draw hammer ram G by the conversion of multiple formula rams degree of depth △ H, such as the difference that can calculate the lift cylinder stroke earlier, also can calculate rope stretching length calculated difference etc. then earlier.The present invention is not limited to various concrete account forms, measures the lift cylinder stroke and calculates and ram degree of depth △ H so long as be dependent on, and namely belongs within the technical scheme scope that the present invention contains.
In the embodiment shown in fig. 1, the cylinder type dynamic compaction machinery is rammed depth measurement method and is specifically comprised:
Step 11: for the i time ramming, detect first length L between lift cylinder 1 point of fixity and the transfer point
i
Step 12: for the i+1 time ramming, detect second length L between lift cylinder 1 point of fixity and the transfer point
I+1
Step 21: according to second length L
I+1, first length L
iDifference L
I+1-L
iWith pulley block ratio K, hammer ram G's rams degree of depth △ H when calculating the i+1 time ramming.
Aforementioned i is the integer more than or equal to zero, this cylinder type dynamic compaction machinery rams that depth measurement method can calculate the 1st, 2,3... ramming ram degree of depth △ H.When i equals zero, also do not begin ramming, at this moment, the lift cylinder length L of this moment can be detected in same level height in hammer ram G and dynamic compaction machinery chassis
0, and its demarcation can be absolute reference value.
For abovementioned steps 21, preferably adopt two kinds of calculating to ram the method for degree of depth △ H:
Method 1, with L
0As absolute reference value, ask and ram degree of depth △ H.
The lift cylinder stroke L that obtains during by the i time and the i+1 time ramming
iAnd L
I+1, with reference to figure 3a and Fig. 3 b, obtain relative L respectively
0Stroke difference △ L
i=L
i– L
0With △ L
I+1=L
I+1– L
0Thereby what obtain the i+1 time ramming rams degree of depth △ H=K * [(L
I+1– L
0) – (L
i– L
0)]=K * (L
I+1– L
i).
Method 2, with L
iAs the relative reference value, ask and ram degree of depth △ H.
The lift cylinder length measurements L of (the i time) during with a preceding ramming
iAs the relative reference value, lift cylinder length measurements L when obtaining the i+1 time ramming
I+1After, that can obtain the i+1 time ramming rams degree of depth △ H=K * (L
I+1– L
i).
In addition, the present invention can also calculate the hoisting depth of hammer ram G.When lift cylinder 1 is promoted to a certain height with hammer ram G, detect the lift cylinder length L of this moment
Ti, height can get a promotion | H|=K * (L
Ti-L
0).
Because also keep strict multiplying power relation between the stroke of lift cylinder 1 and the stroke of hammer ram G, synchronism is very good, influences the problem of accuracy because skidding between rope and the pulley in the time of can avoiding measurement of angle, therefore can guarantee measurement accuracy and reliability.
Because after ramming was finished, rope was generally relaxed state, in further technical scheme, in order to guarantee the accuracy when measuring the lift cylinder stroke at every turn, the present invention has also unified measuring basis, and rope 5 is identical tensioning state when namely measuring at every turn.Preferably, cylinder type dynamic compaction machinery of the present invention is rammed depth measurement method and is also constantly stipulated measuring, for detecting first length L
i, after the i time ramming finished, lift cylinder 1 action makes on the rope 5 to be carried, and reached moment of first preset value, first length L of record lift cylinder 1 this moment at the rod chamber pressure of lift cylinder 1
i
This first preset value is less than mentioning hammer ram G fully and breaking away from the needed pressure of ground, namely measures constantly at this, and rope 5 is for tension but hammer ram G does not break away from ground.Similarly, detect second length L
I+1Also reach when requiring equally at rod chamber pressure and carry out.
As another preferred embodiment, after the i time ramming finished, lift cylinder 1 action makes on the rope 5 to be carried, and reached moment of second preset value, first length L of record lift cylinder 1 this moment at the pulling force of rope 5
iSecond preset value is less than mentioning hammer ram G fully and breaking away from the needed pulling force of ground, namely measures constantly at this, and rope 5 is for tension but hammer ram G does not break away from ground.Similarly, detect second length L
I+1Also reach when requiring equally at rope pull and carry out.
Further, in the embodiment shown in fig. 1, the cylinder type dynamic compaction machinery is rammed depth measurement method and is also comprised:
Step 3: set and ram the dark required value H0 in hole, and judge and ram degree of depth △ H and ram the size of cheating between the dark required value H0, if ram degree of depth △ H greater than ramming the dark required value H0 in hole, then prompting continues to ram; If ram degree of depth △ H smaller or equal to ramming the dark required value H0 in hole, then prompting is rammed and is finished.H
0For the degree of depth of setting is cheated dark required value, for greater than 0 number.
This step can judge whether to ram up to standard automatically, and degree of depth △ H is very little when ramming, and when namely being difficult to ground be tamped downwards again, then 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 to ram number of times the best.
In addition, first embodiment also comprises and shows the step ram degree of depth △ H.What operating personnel can know intuitively that each time ram operation rams degree of depth △ H, and strategy provides foundation in order to construct.The demonstration of ramming degree of depth △ H both can be that numeral shows, also can be that mimic diagram shows.
Shown in Figure 4 is the structured flowchart that the cylinder type dynamic compaction machinery of one embodiment of the invention is rammed depth measurement device.This cylinder type dynamic compaction machinery is rammed depth measurement device and is used for non-disconnecting type dynamic compaction machinery, and comprises straight-line displacement pick-up unit 71 and processor 72.Wherein, straight-line displacement pick-up unit 71 is for detection of the stroke of lift cylinder 1; Processor 72 connects straight-line displacement pick-up units 71, and according to stroke and the pulley block ratio K of lift cylinder 1, and that calculates the each ramming of hammer ram G rams degree of depth △ H.
This straight-line displacement pick-up unit 71 can be the position transducer of multiple structure, and can have different mounting meanss with respect to lift cylinder 1.As an embodiment, this straight-line displacement pick-up unit 71 is the backguy displacement transducer that comprises backguy, and an end of backguy connects the piston rod of lift cylinder 1, the folding and unfolding on bobbin winoler of the other end of backguy, and the axle center of bobbin winoler connects scrambler.Scrambler can detect the angular displacement of bobbin winoler, and this angular displacement can be exchanged into the straight-line displacement of backguy, thereby corresponding with the stroke of lift cylinder 1.
In addition, this straight-line displacement pick-up unit 71 can be laser displacement sensor, by laser triangulation air line distance; Perhaps be the ultrasonic displacement sensor, according to measuring air line distance hyperacoustic reflection interval.
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 and rams degree of 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 processor 72, is used for carrying out corresponding alarm according to ramming degree of depth △ H and ramming the size cases of cheating between the dark required value H0.This warning device 74 can be 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, when ramming degree of depth △ H when ramming the dark required value H0 in hole, the hummer sounding alarm, thus alert is rammed up to standard finishing.
Further, can be provided with pressure transducer 1a at the rod chamber of lift cylinder 1, the pressure that detects lift cylinder 1 rod chamber at pressure transducer 1a reaches the moment of first preset value, the length of straight-line displacement pick-up unit 71 record lift cylinders 1 this moment.As shown in Figure 6, this pressure transducer 1a can be installed on the rod chamber oil-in place of lift cylinder 1.This pressure transducer 1a can guarantee that the moment rope 5 that at every turn detects lift cylinder 1 stroke is identical tensioning state, by keeping the consistance of measuring basis, has improved and has measured stability, has reduced measuring error.
As another kind of embodiment, be connected with stretching force detecting apparatus on the rope 5, the pulling force that detects rope 5 at stretching force detecting apparatus reaches the moment of second preset value, the length of straight-line displacement pick-up unit 71 record lift cylinders 1 this moment.This stretching force detecting apparatus can guarantee that also the moment rope 5 that at every turn detects lift cylinder 1 stroke is identical tensioning state, has reduced measuring error.
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 5.This dynamic compaction machinery also comprises lift cylinder 1, rope 5, hammer ram G and pulley blocks, and each several part can be with reference to above stated specification.
The pulley blocks that is connected between lift cylinder 1 and the hammer ram G can have multiple possible annexation.As a kind of embodiment, as shown in Figure 2, this dynamic compaction machinery preferably includes fixed pulley group 2, running block 3 and arm head leading block 4, and car body, second end that 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 fixed pulley group 2 and running block 3 reeled, and is diverted to and connects hammer ram G from the top down, and the travelling block of running block 3 is X, and pulley block ratio K is relevant with X.Aforementioned both can be up and down straight up and down, also can be the above-below direction of inclination certain angle.
In synoptic diagram shown in Figure 2, travelling block is 3, then as K=f(X)=during 2 * X, K=6, the stroke of hammer ram G are 6 times of lift cylinder 1 stroke.The stroke of lift cylinder 1 can remain on reasonable range, has reduced manufacturing difficulty, has advantage easy to implement.
Further, because in the process of lift cylinder 1 action, running block 3 in the ramming process, can produce strong impact shock with lift cylinder 1 action to jib, cause the jib distortion and then the motion of lift cylinder 1 and running block 3 is exerted an influence.Action for limitation and restriction running block 3, improve stability and reliability, as shown in Figure 7, the dynamic compaction machinery of preferred this embodiment also comprises guide rail 10 and guiding moving member, guide rail 10 is fixing, the guiding moving member is limited on the guide rail 10, and can move along guide rail 10, and the guiding moving member is connected with running block 3 and/or lift cylinder 1.The degree of freedom of guiding moving member on guide rail 10 is subjected to respective limits.Guide rail 10 can arrange row, two row or other columns, and the quantity of guiding moving member is corresponding with guide rail 10.
Preferably in guide rail 10 movement of rolling, the moving member that namely leads is rolling member to this guiding moving member, and rolling member comprises first roller 11 on the erecting frame 30 that is arranged at running block 3 and is arranged at second roller 12 on the hinged seat 31 of running block 3 and oil cylinder 1.Should be understood that first roller 11 can roll at different guide rail 10 with second roller 12, preferably rolls at same guide rail 10.In addition, replacedly, also can only be provided with first roller 11 or second roller 12.Guide rail 10 can adopt channel-section steel, angle steel and joist steel, also can adopt other material or structure, and the present invention is not limited to this.In addition, should be understood that also that this guiding moving member preferably also can move in guide rail 10 enterprising line slips, the moving member that namely leads is slide block, and slide block and guide rail 10 cooperatively interact.
The dynamic compaction machinery of above-described embodiment by supporting and constraint running block 3 and lift cylinder 1, can guarantee that lift cylinder 1 steadily moves, and is beneficial to straight-line displacement pick-up unit 71 to the detection of its stroke, rams accuracy and the reliability that degree of depth △ H measures thereby improve.
In sum, previous embodiment of the present invention is by detecting the stroke of lift cylinder 1, and according to the fixedly multiplying power relation of pulley blocks, and what can calculate hammer ram rams degree of depth △ H, realizes ramming the automatic measurement of degree of depth △ H.Compared with prior art, previous embodiment of the present invention has the following advantages:
1) measuring accuracy height
Because keep strict multiplying power relation between the stroke of lift cylinder 1 and the stroke of hammer ram G, synchronism is very good, influences the problem of accuracy because skidding between rope and the pulley in the time of can avoiding measurement of angle, therefore can guarantee measurement accuracy and reliability.
2) the measurement difficulty is little
Previous embodiment of the present invention detects the displacement detecting that is converted in the lift cylinder 1 little stroke range with the big travel displacement of rope 5 and hammer ram G, has reduced the measurement difficulty.
3) measuring basis unanimity, good stability
In aforesaid preferred embodiment, rod chamber at lift cylinder 1 arranges pressure transducer 1a, perhaps connect stretching force detecting apparatus at rope 5, thereby guarantee that each moment rope 5 that detects the lift cylinder stroke is identical tensioning state, reduced measuring error, by keeping the consistance of measuring basis, improved and measured stability.
In addition, the cylinder type dynamic compaction machinery of previous embodiment is rammed degree of depth method and apparatus and is also had advantages such as cost is low, good reliability.
Therefore, the beneficial effect of previous embodiment of the present invention is significant.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a cylinder type dynamic compaction machinery is rammed depth measurement method, it is characterized in that, described dynamic compaction machinery comprises lift cylinder (1), pulley blocks, rope (5) and hammer ram (G), described rope (5) is wound on the described pulley blocks and connects described hammer ram (G), the multiplying power of described pulley blocks is K, when described lift cylinder (1) is flexible described hammer ram (G) correspondingly fall or on carry, described cylinder type dynamic compaction machinery is rammed depth measurement method and is comprised:
Step 1: the stroke that detects described lift cylinder (1);
Step 2: according to stroke and the pulley block ratio K of described lift cylinder (1), that calculates the each ramming of described hammer ram (G) rams the degree of depth (△ H).
2. cylinder type dynamic compaction machinery according to claim 1 is rammed depth measurement method, it is characterized in that, specifically comprises:
Step 11: for the i time ramming, detect the first length (L between described lift cylinder (1) point of fixity and the transfer point
i);
Step 12: for the i+1 time ramming, detect the second length (L between described lift cylinder (1) point of fixity and the transfer point
I+1);
Step 21: according to the described second length (L
I+1), the first length (L
i) difference (L
I+1-L
i) and pulley block ratio K, described hammer ram (G) rams the degree of depth (△ H) when calculating the i+1 time ramming.
3. cylinder type dynamic compaction machinery according to claim 2 is rammed depth measurement method, it is characterized in that step 11 is specially:
After the i time ramming finished, lift cylinder (1) action makes on the rope (5) to be carried, and reached moment of first preset value, the first length (L of record described lift cylinder this moment (1) at the rod chamber pressure of described lift cylinder (1)
i).
4. cylinder type dynamic compaction machinery according to claim 2 is rammed depth measurement method, it is characterized in that step 11 is specially:
After the i time ramming finished, lift cylinder (1) action makes on the rope (5) to be carried, and reached moment of second preset value, the first length (L of record described lift cylinder this moment (1) at the pulling force of described rope (5)
i).
5. ram depth measurement method according to each described cylinder type dynamic compaction machinery of claim 1-4, it is characterized in that, also comprise:
Step 3: set and ram hole dark required value (H0), and judge and ram the degree of depth (△ H) and the described size of ramming between the dark required value in hole (H0), if ram the degree of depth (△ H) greater than the described hole dark required value (H0) of ramming, then prompting continues to ram; If ram the degree of depth (△ H) smaller or equal to the described hole dark required value (H0) of ramming, then prompting is rammed and is finished.
6. a cylinder type dynamic compaction machinery is rammed depth measurement device, it is characterized in that, described dynamic compaction machinery comprises lift cylinder (1), pulley blocks, rope (5) and hammer ram (G), described rope (5) is wound on the described pulley blocks and connects described hammer ram (G), the multiplying power of described pulley blocks is K, when described lift cylinder (1) is flexible described hammer ram (G) correspondingly fall or on carry, described cylinder type dynamic compaction machinery is rammed depth measurement device and is comprised:
Straight-line displacement pick-up unit (71) is for detection of the stroke of described lift cylinder (1);
Processor (72) connects described straight-line displacement pick-up unit (71), and according to stroke and the pulley block ratio K of described lift cylinder (1), and that calculates the each ramming of described hammer ram (G) rams the degree of depth (△ H).
7. cylinder type dynamic compaction machinery according to claim 6 is rammed depth measurement device, it is characterized in that, also comprises:
Display device (73) connects described processor (72), is used for showing the described degree of depth (△ H) of ramming; And/or
Warning device (74) connects described processor (72), is used for carrying out corresponding alarm according to ramming the degree of depth (△ H) and ramming the size cases of cheating between the dark required value (H0).
8. cylinder type dynamic compaction machinery according to claim 6 is rammed depth measurement device, it is characterized in that, described straight-line displacement pick-up unit (71) is backguy displacement transducer, laser displacement sensor or ultrasonic displacement sensor.
9. ram depth measurement device according to each described cylinder type dynamic compaction machinery of claim 6-8, it is characterized in that, the rod chamber of described lift cylinder (1) is provided with pressure transducer (1a), the pressure that detects the lift cylinder rod chamber at described pressure transducer (1a) reaches the moment of first preset value, the length of described straight-line displacement pick-up unit (71) record lift cylinder this moment (1).
10. ram depth measurement device according to each described cylinder type dynamic compaction machinery of claim 6-8, it is characterized in that, described rope is connected with stretching force detecting apparatus on (5), the pulling force that detects rope (5) at described stretching force detecting apparatus reaches the moment of second preset value, the length of described straight-line displacement pick-up unit (71) record lift cylinder this moment (1).
11. a dynamic compaction machinery is characterized in that, is provided with each described cylinder type dynamic compaction machinery of claim 6-10 and rams depth measurement device.
12. dynamic compaction machinery according to claim 11, it is characterized in that, described dynamic compaction machinery comprises fixed pulley group (2), running block (3) and arm head leading block (4), and car body, second end that first end of described lift cylinder (1) connects dynamic compaction machinery connect described running block (3); Described rope (5) is behind described fixed pulley group (2) and described running block (3) coiling, walk around described arm head leading block (4), and be diverted to connection described hammer ram (G), and the travelling block of described running block (3) is X, pulley block ratio K is relevant with X.
13. dynamic compaction machinery according to claim 12, it is characterized in that, also comprise guide rail (10) and guiding moving member, described guide rail (10) is fixing, described guiding moving member is limited on the described guide rail (10), and can be mobile along described guide rail (10), described guiding moving member is connected with described running block (3) and/or described lift cylinder (1).
14. dynamic compaction machinery according to claim 13, it is characterized in that, described guiding moving member is rolling member, and described rolling member comprises first roller (11) on the erecting frame (30) that is arranged at described running block (3) and/or is arranged at second roller (12) on the hinged seat (31) of described running block (3) and described lift cylinder (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310236759.5A CN103344208B (en) | 2013-05-30 | 2013-06-14 | Cylinder type dynamic compaction machinery tamping depth measuring method, device and dynamic compaction machinery |
| PCT/CN2013/087040 WO2014198102A1 (en) | 2013-06-14 | 2013-11-13 | Dynamic compactor, and method and device for measuring compaction depth of oil cylinder type dynamic compactor |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207943.7 | 2013-05-30 | ||
| CN201310207943 | 2013-05-30 | ||
| CN2013102079437 | 2013-05-30 | ||
| CN201310236759.5A CN103344208B (en) | 2013-05-30 | 2013-06-14 | Cylinder type dynamic compaction machinery tamping depth measuring method, device and dynamic compaction machinery |
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| Publication Number | Publication Date |
|---|---|
| CN103344208A true CN103344208A (en) | 2013-10-09 |
| CN103344208B CN103344208B (en) | 2016-08-24 |
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| WO (1) | WO2014190902A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486994A (en) * | 2013-10-11 | 2014-01-01 | 徐工集团工程机械股份有限公司 | Dynamic compaction machine as well as ramming depth detection device and method |
| WO2014190902A1 (en) * | 2013-05-30 | 2014-12-04 | 湖南三一智能控制设备有限公司 | Method and apparatus for measuring compacting depth of oil cylinder-type dynamic compactor, and dynamic compactor |
| WO2014198102A1 (en) * | 2013-06-14 | 2014-12-18 | 湖南三一智能控制设备有限公司 | Dynamic compactor, and method and device for measuring compaction depth of oil cylinder type dynamic compactor |
| CN107630445A (en) * | 2016-07-19 | 2018-01-26 | 利勃海尔南兴有限公司 | Number of shocks optimization method |
| CN108168402A (en) * | 2017-12-20 | 2018-06-15 | 徐州重型机械有限公司 | A kind of measuring motion and survey long-cylinder |
| CN114411683A (en) * | 2022-01-05 | 2022-04-29 | 中交第二公路工程局有限公司 | Method for improving ramming settlement measurement precision |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115077432B (en) * | 2022-05-20 | 2024-07-09 | 浙江大学高端装备研究院 | Oil cylinder stroke detection system, oil leakage detection system and stroke detection method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3256945A (en) * | 1962-12-05 | 1966-06-21 | Grospas Pierre | Drive device for percussion drills, pile drivers and other rammers |
| CN101413275A (en) * | 2008-10-29 | 2009-04-22 | 山东大学 | Foundation accumulating and sedimentation in-situ simulating apparatus and method under action of traffic loading |
| CN101736729A (en) * | 2009-12-28 | 2010-06-16 | 中化岩土工程股份有限公司 | Lifting mechanism of free dropping type forced ramming machine with hammer |
| WO2011159659A1 (en) * | 2010-06-18 | 2011-12-22 | Pile Dynamics, Inc. | Measurement device and a system and method for using the same |
| 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 |
| CN102979078A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Cylinder driven lifting mechanism of dynamic compaction machine and dynamic compaction machine |
| CN102979074A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Wireless remote control dynamic compaction machine |
| CN102979079A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Cylinder driven derricking mechanism of dynamic compaction machine and dynamic compaction machine |
| CN203393694U (en) * | 2013-05-30 | 2014-01-15 | 三一重工股份有限公司 | Oil-cylinder compaction depth measuring device for dynamic compaction machine and dynamic compaction machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202706012U (en) * | 2012-07-07 | 2013-01-30 | 西安长大公路养护技术有限公司 | Intellectualized continuous dynamic compactor |
| CN103344208B (en) * | 2013-05-30 | 2016-08-24 | 三一重工股份有限公司 | Cylinder type dynamic compaction machinery tamping depth measuring method, device and dynamic compaction machinery |
-
2013
- 2013-06-14 CN CN201310236759.5A patent/CN103344208B/en not_active Expired - Fee Related
-
2014
- 2014-05-28 WO PCT/CN2014/078598 patent/WO2014190902A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3256945A (en) * | 1962-12-05 | 1966-06-21 | Grospas Pierre | Drive device for percussion drills, pile drivers and other rammers |
| CN101413275A (en) * | 2008-10-29 | 2009-04-22 | 山东大学 | Foundation accumulating and sedimentation in-situ simulating apparatus and method under action of traffic loading |
| CN101736729A (en) * | 2009-12-28 | 2010-06-16 | 中化岩土工程股份有限公司 | Lifting mechanism of free dropping type forced ramming machine with hammer |
| WO2011159659A1 (en) * | 2010-06-18 | 2011-12-22 | Pile Dynamics, Inc. | Measurement device and a system and method for using the same |
| 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 |
| CN102979078A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Cylinder driven lifting mechanism of dynamic compaction machine and dynamic compaction machine |
| CN102979074A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Wireless remote control dynamic compaction machine |
| CN102979079A (en) * | 2012-11-22 | 2013-03-20 | 三一重工股份有限公司 | Cylinder driven derricking mechanism of dynamic compaction machine and dynamic compaction machine |
| CN203393694U (en) * | 2013-05-30 | 2014-01-15 | 三一重工股份有限公司 | Oil-cylinder compaction depth measuring device for dynamic compaction machine and dynamic compaction machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014190902A1 (en) * | 2013-05-30 | 2014-12-04 | 湖南三一智能控制设备有限公司 | Method and apparatus for measuring compacting depth of oil cylinder-type dynamic compactor, and dynamic compactor |
| WO2014198102A1 (en) * | 2013-06-14 | 2014-12-18 | 湖南三一智能控制设备有限公司 | Dynamic compactor, and method and device for measuring compaction depth of oil cylinder type dynamic compactor |
| CN103486994A (en) * | 2013-10-11 | 2014-01-01 | 徐工集团工程机械股份有限公司 | Dynamic compaction machine as well as ramming depth detection device and method |
| CN107630445A (en) * | 2016-07-19 | 2018-01-26 | 利勃海尔南兴有限公司 | Number of shocks optimization method |
| CN107630445B (en) * | 2016-07-19 | 2021-09-14 | 利勃海尔南兴有限公司 | Impact frequency optimization method |
| CN108168402A (en) * | 2017-12-20 | 2018-06-15 | 徐州重型机械有限公司 | A kind of measuring motion and survey long-cylinder |
| CN114411683A (en) * | 2022-01-05 | 2022-04-29 | 中交第二公路工程局有限公司 | Method for improving ramming settlement measurement precision |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014190902A1 (en) | 2014-12-04 |
| CN103344208B (en) | 2016-08-24 |
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