CN103241673A - Dynamic compactor and single-rope double winding device thereof - Google Patents
Dynamic compactor and single-rope double winding device thereof Download PDFInfo
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- CN103241673A CN103241673A CN2013102159592A CN201310215959A CN103241673A CN 103241673 A CN103241673 A CN 103241673A CN 2013102159592 A CN2013102159592 A CN 2013102159592A CN 201310215959 A CN201310215959 A CN 201310215959A CN 103241673 A CN103241673 A CN 103241673A
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Abstract
The invention discloses a dynamic compactor and a single-rope double winding device thereof. A double-winding-drum lifting device comprises two winding drums; the two ends of a steel wire rope are wound on the two winding drums respectively; the winding length on the two winding drums is the same; after compaction, a control device controls the two winding drums to rotate to roll up the steel wire rope; a compacting hammer is lifted; the control device calculates a length difference of the steel wire rope wound on the two winding drums during twice adjacent compacting hammer lifting; and the compacting depth is obtained. According to the dynamic compactor and the single-rope double winding device thereof, the compacting depth can be obtained automatically; heavy compaction can be free from unhooking; the problem that stress is different due to the fact that winding is not synchronous is solved; the operation efficiency is improved; dynamic compaction operation is safer, more reliable, more convenient and more comfortable; the operation cost of a user is lowered; and greater economic benefits are brought to the user.
Description
Technical field
The present invention relates to technical field of engineering machinery, relate in particular to a kind of single rope double hoisting device and dynamic compaction machinery of dynamic compaction machinery.
Background technology
At present, general dynamic consolidation construction adopts single rope monovolume to raise the technology of not breaking off relations or the duplex type double hoisting technology technology that do not break off relations, these two kinds of operating technique efficient height, good economy performance, but single rope monovolume is raised and is subjected to steel rope, mechanism's restriction and is difficult to realize the big rammer technology that can not break off relations, though the duplex type double hoisting can realize can not break off relations technology but duplex type double hoisting of big rammer and face the asynchronous problem of elevator and cause two stressed differences of rope, break down easily or dangerous, the working service cost is higher.A general dynamic compaction machinery is joined 3-4 people, and the manpower and materials of input are bigger, and, have a strong impact on operating efficiency by artificial hook and measurement, ram operation by force and belong to back and forth operation frequently, people's labour intensity is very big.Thereby fatigue appears in people easily causes safety misadventure to take place easily.
Summary of the invention
In view of this, single rope double hoisting device that the technical matters that the present invention will solve provides a kind of dynamic compaction machinery can obtain automatically and ram the degree of depth.
A kind of single rope double hoisting device of dynamic compaction machinery comprises: assembly pulley device, two reel jack up unit and control setup; Described pair of reel jack up unit comprises 2 reels; Lower end at described assembly pulley device hangs hammer ram; Described assembly pulley device is in transmission connection by steel rope and described pair of reel jack up unit, and wherein, the two ends of described steel rope are wrapped in respectively on described 2 reels, and the length of twining is identical; Wherein, after ramming, described control setup is controlled described 2 reels rotation and is rolled described steel rope, promote described hammer ram, and the length of steel wire rope that described control setup is wrapped on described 2 reels when calculating the described hammer ram of adjacent twice lifting is poor, obtains and rams the degree of depth.
According to an embodiment of device of the present invention, further, described jack up unit comprises: described jack up unit comprises: 2 travel switches that are separately positioned on the below of described 2 reels; Described 2 travel switches are electrically connected with described control setup; Wherein, whether described 2 travel switches number of turns of detecting the steel rope that twines at described 2 reels respectively reaches preset threshold.
According to an embodiment of device of the present invention, further, described pair of reel jack up unit comprises: provide the hydraulic efficiency gear of power for promoting described hammer ram.
According to an embodiment of device of the present invention, further, described jack up unit comprises: the sensor of measuring described hydraulic efficiency gear pressure; Wherein, described sensor is electrically connected with described control setup.
According to an embodiment of device of the present invention, further, when described control setup judge the pressure of described hydraulic efficiency gear output reach setting mention the pressure of described hammer ram the time, control described 2 reels and begin to roll up described steel rope, promote described hammer ram; Judge described hammer ram when described control setup and arrive specified altitude assignment, control described 2 reels and stop to roll up described steel rope, record the lifting number of turns of described steel rope; When the hammer ram free fall, judging the number of turns of described reel rotation when described control setup is the described lifting number of turns when adding preset threshold value, brakes.
According to an embodiment of device of the present invention, further, described 2 reels are respectively: first reel and second reel; Ram the back at adjacent twice and promote described hammer ram, first reel promotes the number of turns and is respectively a and c; Second reel promotes the number of turns and is respectively b and d; When the ground floor of described steel rope at described first reel and second reel, diff-H=the π that rams * { (c+d)-(a+b) } * (R+r), when described steel rope drops on the n layer of described first reel and second reel, n is more than or equal to 2, rams diff-H and be π * { (c+d)-(a+b) } * [R+r+1.732 * (n-1) r]; Wherein, R is described reel radius, and r is described steel rope radius.
According to an embodiment of device of the present invention, further, described jack up unit comprises: warning device; Described warning device is electrically connected with described control setup; Wherein, when described control setup judges that described hammer ram arrives specified altitude assignment, control described warning device and give the alarm.
A kind of dynamic compaction machinery comprises: single rope double hoisting device of aforesaid dynamic compaction machinery.
Single rope double hoisting device and the dynamic compaction machinery of dynamic compaction machinery of the present invention, can obtain automatically and ram the degree of depth, can realize that big rammer can not break off relations, solved the asynchronous stressed different difficult problem that causes of elevator, improve operating efficiency, make strong rammer operation safety and reliability, more convenient, more comfortable, for the user reduces operating cost, for the user brings bigger economic benefit.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Figure 1A to 1C is the scheme drawing according to an embodiment of single rope double hoisting device of dynamic compaction machinery of the present invention; Wherein, Figure 1A is the reel scheme drawing, and Figure 1B is the scheme drawing of jack up unit, and Fig. 1 C is the assembly pulley schematic representation of apparatus;
Fig. 2 is the scheme drawing of an embodiment of calculating rope capacity.
The specific embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Figure 1A to 1C is the scheme drawing according to an embodiment of the winding plant of dynamic compaction machinery of the present invention.As shown in the figure, the winding plant of dynamic compaction machinery comprises: assembly pulley device 1, jack up unit 3 and control setup (not drawing in the drawings).
Lower end at assembly pulley device 1 hangs hammer ram.Jack up unit 3 comprises reel.Assembly pulley device 1 is in transmission connection by steel rope 2 and jack up unit 3, and steel rope 3 is wrapped on the reel.
Shown in Fig. 1 C, steel rope and principal arm leading sheave 31, principal arm assembly pulley 32, lifting hook pulley group 33 are in transmission connection, and lifting hook pulley group 33 belows hang hammer ram.Be connected by flexible excessively chain between lifting hook pulley group 33 and the hammer ram.Change the flexible excessively chain of corresponding different length with hoisting depth, multiplying power, guarantee that elevator braking back running block device and hammer ram can not bump against.
The running block device comprises assembly pulley and main structure body, plays the steel rope guiding and bears the effect of hammer ram pulling force.Steel rope links to each other with two lifting mechanisms and running block device by special winding, detailed process is as follows: steel rope 34 is wound on the hoisting drum, then steel rope one end 35 is wound on another elevator that hoists by leading sheave, running block structure, leading sheave again, it is identical to guarantee to be wound into two rope capacities on the lifting mechanism at last.
In the dynamic compaction machinery working process, rotate by reel, roll or decontrol steel rope 3, and, to ram the back at adjacent twice and promote hammer ram, it is poor that control setup calculates the length of steel wire rope that is wrapped on the reel, obtains and ram the degree of depth.Control setup records the number of turns of rising and falling, and number of turns registration accuracy reaches 0.02 circle, band carried a fast playing function, unloaded snap catch function braking time 0.05～0.1 second.
Travel switch, position switch a kind of utilizes the collision of manufacturing machine movable parts to make its contact move to realize to connect or the disjunction control circuit, reaches certain control purpose.Usually, this class switch is used to position or the stroke of limit mechanical motion.
Also be proximity switch near switch, claim static position switch again, it can finish Stroke Control and position limitation protection.
Setting has the travel switch of induction hoisting depth or near switch, switch designs becomes electrodeless displacement to realize the differing heights setting, can realize artificial the adjustment or the man machine communication adjustment.
According to one embodiment of present invention, 2 detection hammer rams arrive the travel switch 23 of specified altitude assignments or near switch 22.Wherein, 2 travel switches 23 or be electrically connected with control setup near switch 22.
2 travel switches 23 are separately positioned on the below of 2 reels 21, and whether the number of turns that detects the steel rope that twines at 2 reels 21 reaches preset threshold, and the number of turns of the steel rope that twines on reel 21 is touched travel switch, and control setup control reel stops.Can be that 2 travel switches 23 all are triggered, or have only one to be triggered that control setup control reel stops.
Just the length computation of hoist rope is finished in design, at lifting mechanism lower side position place travel switch, can detect steel rope at the switch of which layer, determine the size of height in the position of which layer by detecting steel rope, when rising when being raised to certain altitude, travel switch is opened, and suspension hook stops upward movement, prevents dangerous the generation.Limit switch can be adjusted all around, adjusts according to different brachiums and different multiplying.
According to one embodiment of present invention,, work near switch 22 only during surplus three circles when detecting near switch 22 at reel 21 ground floor steel ropes, signal is passed to the power-transfer clutch of indoor design, power-transfer clutch is closed, force reel to be braked at once.Can be 2 and all be triggered near switch 22, or have only one to be triggered that control setup control reel stops.
According to one embodiment of present invention, jack up unit comprises: provide the sensor of the hydraulic efficiency gear of power, measurement hydraulic efficiency gear pressure for promoting hammer ram.Sensor is electrically connected with control setup.
According to one embodiment of present invention, when control setup judge the pressure of hydraulic efficiency gear output reach setting mention the pressure of hammer ram the time, the control reel begins to roll up steel rope, promotes hammer ram.Setting pressure can be set according to hammer ram weight.
Judge hammer ram when control setup and arrive specified altitude assignment, control 2 reels and stop to roll up steel rope, the lifting number of turns of record steel rope.When arriving preset height, elevator shuts down, and sends the prompting warning.Have only 2 alarm devices corresponding with 2 reels all to send and just can carry out hammer ram free fall action when prompting is reported to the police.Twice prompting reported to the police and paused the hammer ram free fall 2 seconds.
When the hammer ram free fall, when control setup judges that the number of turns of reel rotation adds preset threshold value for promoting the number of turns, start unloaded snap catch device.
After hammer ram lands, realize unloaded snap catch, the elevator number of turns adds 1 to 3 circle and sets according to on-the-spot soil property for promoting the number of turns when falling braking, the number of turns that for example hoists be 10 circles that fall behind down and specify the number of turns can be set at 11 circles.
According to one embodiment of present invention, when adopting single multiplying power to hoist, ram the back at adjacent twice and promote hammer ram.Described steel rope when the ground floor of described first reel and second reel, the diff-H=π that rams * { (c+d)-(a+b) } * (R+r).
As shown in Figure 2, when described steel rope dropped on the n layer of described first reel and second reel, n was more than or equal to 2, rammed diff-H and be π * { (c+d)-(a+b) } * [R+r+1.732 * (n-1) r]; R is described reel radius, and r is described steel rope radius.
Reciprocal like this ramming when ramming diff-H smaller or equal to the setting height difference stops to ram and points out to change and ram a little.
Can adopt the n multiplying power to hoist, namely refer to the mode of wiring, the multiplying power of the steel rope that great hoisting capacity is used is different.
When adopting n multiplying power (even number) when hoisting, when steel rope during at the reel ground floor, the diff-H of ramming=(2 π/n) * { (c+d)-(a+b) } * (R+r), R is the elevator radius, and r is the steel rope radius.When described steel rope dropped on the n layer of described first reel and second reel, n was more than or equal to 2, rammed diff-H and was (2 π/n) * { (c+d)-(a+b) } * [R+r+1.732 * (n-1) r]; R is described reel radius, and r is described steel rope radius.R is the reel radius, and r is the steel rope radius.
According to one embodiment of present invention, jack up unit comprises: warning device.Warning device is electrically connected with control setup.Wherein, when control setup judged that hammer ram arrives specified altitude assignment, the control warning device gave the alarm, and can be the flicker of audible alarm or alarm lamp.
According to one embodiment of present invention, a kind of dynamic compaction machinery comprises the winding plant of dynamic compaction machinery as above.
According to one embodiment of present invention, the lifting number of turns registration accuracy of the reel of jack up unit 3 reaches 0.02 circle, can according to the every circle rope capacity of elevator and construction reference formulate number of turns registration accuracy, band carry a fast playing function, unloaded snap catch function braking time 0.05～0.1 second,
When hydraulic efficiency gear reached setting pressure, winch opening entry elevator promoted the number of turns, and hammer ram arrives specified point and stops record, and records of values is waited for back usefulness.The setting pressure of hydraulic efficiency gear can be set according to hammer ram weight.
When hammer ram arrived preset height, elevator shut down, and sent the prompting warning, paused the hammer ram free fall 2 seconds.
After hammer ram lands, realize unloaded snap catch, the elevator number of turns is set according to on-the-spot soil property for the lifting number of turns adds 1 to 3 circle when falling braking, needs the scene to ram the submergence depth data, for example, promote the number of turns be 10 circles that fall behind down and specify the number of turns can be set at 11 circles.
Realize setting height, set when ramming the ramming of number of times that control setup need not to record diff-H.
According to one embodiment of present invention, calculate at first that to drop to the needed rope in ground from empty hook long, limit switch is installed near lifting mechanism then, by detecting the unloaded snap catch of how much realizing of lifting mechanism residue steel rope, has been calculated length of steel wire rope during design.
By programming control engine operation situation, driving engine can be regulated rotating speed, moment of torsion, horsepower output according to condition of loading, strong ram that the operating mode branch pulls out hammer, carries hammer, (stopping hammer) drops hammer, 5 processes are braked in zero load, requirement driving engine correspondence when pulling out hammer is exported than low rotation speed large torque, propose the high-power output of when hammer, drop hammer and engine idle state miniwatt output during unloaded braking.
According to one embodiment of present invention, because in the strong rammer process, single rope tension changes, the elongation difference of steel rope can influence the diff-H evaluation, adjusts by experiment.
Single rope double hoisting device and the dynamic compaction machinery of dynamic compaction machinery of the present invention have following advantage:
1. ramming Based Intelligent Control by force can use manpower and material resources sparingly greatly, improves operating efficiency, increases economic efficiency.
2. alleviate operator's labour intensity, reduce construction risk.
3. only need increase seldom cost, realize power.
May realize method and system of the present invention in many ways.For example, can realize method and system of the present invention by any combination of software, hardware, firmware or software, hardware, firmware.The said sequence that is used for the step of method only is in order to describe, and the step of method of the present invention is not limited to above specifically described order, unless special version otherwise.In addition, in certain embodiments, can be the program that is recorded in the recording medium with the invention process also, these programs comprise for the machine readable instructions that realizes the method according to this invention.Thereby the present invention also covers the recording medium that storage is used for the program of execution the method according to this invention.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (8)
1. single rope double hoisting device of a dynamic compaction machinery is characterized in that, comprising:
Assembly pulley device, two reel jack up unit and control setup;
Described pair of reel jack up unit comprises 2 reels; Lower end at described assembly pulley device hangs hammer ram;
Described assembly pulley device is in transmission connection by steel rope and described pair of reel jack up unit, and wherein, the two ends of described steel rope are wrapped in respectively on described 2 reels, and the length of twining at described 2 reels is identical;
Wherein, after ramming, described control setup is controlled described 2 reels rotation and is rolled described steel rope, promote described hammer ram, and the length of steel wire rope that described control setup is wrapped on described 2 reels when calculating the described hammer ram of adjacent twice lifting is poor, obtains and rams the degree of depth.
2. device as claimed in claim 1 is characterized in that:
Described jack up unit comprises: 2 travel switches that are separately positioned on the below of described 2 reels; Described 2 travel switches are electrically connected with described control setup;
Wherein, whether described 2 travel switches number of turns of detecting the steel rope that twines at described 2 reels respectively reaches preset threshold.
3. device as claimed in claim 2 is characterized in that:
Described pair of reel jack up unit comprises: provide the hydraulic efficiency gear of power for promoting described hammer ram.
4. device as claimed in claim 3 is characterized in that:
Described jack up unit comprises: the sensor of measuring described hydraulic efficiency gear pressure;
Wherein, described sensor is electrically connected with described control setup.
5. device as claimed in claim 3 is characterized in that:
When described control setup judge the pressure of described hydraulic efficiency gear output reach setting mention the pressure of described hammer ram the time, control described 2 reels and begin to roll up described steel rope, promote described hammer ram;
Judge described hammer ram when described control setup and arrive specified altitude assignment, control described 2 reels and stop to roll up described steel rope, record the lifting number of turns of described steel rope;
When the hammer ram free fall, judging the number of turns of described 2 reels rotation when described control setup is the described lifting number of turns when adding preset threshold value, brakes.
6. as device as described in the claim 5, it is characterized in that:
Described 2 reels are respectively: first reel and second reel;
Ram the back at adjacent twice and promote described hammer ram, first reel promotes the number of turns and is respectively a and c; Second reel promotes the number of turns and is respectively b and d;
When the ground floor of described steel rope at described first reel and second reel, the diff-H=π that rams * { (c+d)-(a+b) } * (R+r),
When described steel rope dropped on the n layer of described first reel and second reel, n was more than or equal to 2, rammed diff-H and be π * { (c+d)-(a+b) } * [R+r+1.732 * (n-1) r];
Wherein, R is described reel radius, and r is described steel rope radius.
7. device as claimed in claim 1 is characterized in that:
Described jack up unit comprises: warning device;
Described warning device is electrically connected with described control setup;
Wherein, when described control setup judges that described hammer ram arrives specified altitude assignment, control described warning device and give the alarm.
8. a dynamic compaction machinery is characterized in that, comprising:
Single rope double hoisting device as any described dynamic compaction machinery of claim 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310215959.2A CN103241673B (en) | 2013-06-03 | 2013-06-03 | A kind of list rope double hoisting device of dynamic compaction machinery and dynamic compaction machinery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310215959.2A CN103241673B (en) | 2013-06-03 | 2013-06-03 | A kind of list rope double hoisting device of dynamic compaction machinery and dynamic compaction machinery |
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| CN103241673A true CN103241673A (en) | 2013-08-14 |
| CN103241673B CN103241673B (en) | 2016-04-13 |
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| CN103862254A (en) * | 2014-03-10 | 2014-06-18 | 许姜德 | Automatic assembling machine capable of assembling mounting plate and pulley yoke |
| CN109292664A (en) * | 2018-12-07 | 2019-02-01 | 中联重科股份有限公司 | Rope press device, hoist engine and crane |
| CN113591026A (en) * | 2021-08-06 | 2021-11-02 | 杭叉集团股份有限公司 | System and method for detecting lifting height of rammer of dynamic compaction machine with main winch and multi-layer rope winding |
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| CN103241673B (en) | 2016-04-13 |
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