CN103241673B - A kind of list rope double hoisting device of dynamic compaction machinery and dynamic compaction machinery - Google Patents
A kind of list rope double hoisting device of dynamic compaction machinery and dynamic compaction machinery Download PDFInfo
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- CN103241673B CN103241673B CN201310215959.2A CN201310215959A CN103241673B CN 103241673 B CN103241673 B CN 103241673B CN 201310215959 A CN201310215959 A CN 201310215959A CN 103241673 B CN103241673 B CN 103241673B
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Abstract
The invention discloses a kind of list rope double hoisting device and dynamic compaction machinery of dynamic compaction machinery, two reel jack up unit comprises 2 reels; The two ends of steel rope are wrapped on 2 reels respectively, and the length be wound around on 2 reels is identical; After ramming, control setup controls 2 spool turns and rolls steel rope, promotes hammer ram, and, be wrapped in the length difference of the steel rope on 2 reels when control setup calculates adjacent twice lifting hammer ram, obtain tamping depth.The list rope double hoisting device of dynamic compaction machinery of the present invention and dynamic compaction machinery, can automatic acquisition tamping depth, large rammer can be realized break off relations, solve the asynchronous stressed different difficult problem caused of elevator, improve operating efficiency, make strong rammer operation safety and reliability, more convenient, more comfortable, for user reduces operating cost, for user brings larger economic benefit.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of list 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 that do not break off relations or duplex type double hoisting not break off relations technology technology, these two kinds of operating technique efficiency are high, good economy performance, but single rope monovolume is raised and is subject to steel rope, mechanism's restriction is difficult to realize ramming the technology that can not break off relations greatly, although duplex type double hoisting can realize large ramming the technology that can not break off relations but duplex type double hoisting faces the asynchronous problem of elevator causes two stressed differences of restricting, easily to break down or dangerous, working service cost is higher.A general dynamic compaction machinery joins 3-4 people, and the manpower and materials of input are comparatively large, and have a strong impact on operating efficiency by manually linking up with and measuring, strong rammer operation belongs to back and forth operation frequently, and the labour intensity of people is very large.Easily there is fatigue thus easily cause safety misadventure to occur in people.
Summary of the invention
In view of this, the technical matters that the present invention will solve is to provide a kind of list rope double hoisting device of dynamic compaction machinery, can automatic acquisition tamping depth.
A list rope double hoisting device for dynamic compaction machinery, comprising: assembly pulley device, two reel jack up unit and control setup; Described pair of reel jack up unit comprises 2 reels; Hammer ram is hung in the lower end of described assembly pulley device; 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 on described 2 reels respectively, and the length be wound around is identical; Wherein, after ramming, described control setup controls described 2 spool turns and rolls described steel rope, promote described hammer ram, further, when described control setup calculates adjacent twice lifting described hammer ram, be wrapped in the length difference of the steel rope on described 2 reels, obtain tamping 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 being separately positioned on the below of described 2 reels; Described 2 travel switches are electrically connected with described control setup; Wherein, whether the number of turns that described 2 travel switches detect the steel rope be wound around on described 2 reels respectively reaches the threshold value of setting.
According to an embodiment of device of the present invention, further, described pair of reel jack up unit comprises: the hydraulic efficiency gear providing power for promoting described hammer ram.
According to an embodiment of device of the present invention, further, described jack up unit comprises: the sensor 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 pressure that described hydraulic efficiency gear exports reach setting mention the pressure of described hammer ram time, control described 2 reels and start to roll up described steel rope, promote described hammer ram; When described control setup judges that described hammer ram arrives specified altitude assignment, control described 2 reels and stop the described steel rope of volume, record the lifting number of turns of described steel rope; When hammer ram free fall, when described control setup judge the number of turns that described reel rotates be the described lifting number of turns add default threshold value time, brake.
According to an embodiment of device of the present invention, further, described 2 reels are respectively: the first reel and the second reel; Promote described hammer ram after ramming at adjacent twice, the first drum lifting number of turns is respectively a and c; The second drum lifting number of turns is respectively b and d; When the ground floor of described steel rope at described first reel and the second reel, diff-H=the π rammed × { (c+d)-(a+b) } × (R+r), when described steel rope drops on the n-th layer of described first reel and the second reel, n is more than or equal to 2, and ramming diff-H is 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, comprising: the list rope double hoisting device of dynamic compaction machinery as above.
The list rope double hoisting device of dynamic compaction machinery of the present invention and dynamic compaction machinery, can automatic acquisition tamping depth, large rammer can be realized break off relations, solve the asynchronous stressed different difficult problem caused of elevator, improve operating efficiency, make strong rammer operation safety and reliability, more convenient, more comfortable, for user reduces operating cost, for user brings larger economic benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1A to 1C is the schematic diagram of an embodiment of list rope double hoisting device according to dynamic compaction machinery of the present invention; Wherein, Figure 1A is reel schematic diagram, and Figure 1B is the schematic diagram of jack up unit, and Fig. 1 C is the schematic diagram of assembly pulley device;
Fig. 2 is the schematic diagram of the embodiment calculating rope capacity.
Detailed description of the invention
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Figure 1A to 1C is the schematic diagram of an embodiment of winding plant according to 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).
Hammer ram is hung in the lower end of assembly pulley device 1.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 reel.
As shown in Figure 1 C, steel rope and principal arm leading sheave 31, principal arm assembly pulley 32, lifting hook pulley group 33 are in transmission connection, lifting hook pulley group 33 underhung hammer ram.Lifting hook pulley group 33 is connected by flexible excessive chain with between hammer ram.Change the flexible excessive chain of corresponding different length with hoisting depth, multiplying power, after ensureing elevator braking, running block device and hammer ram can not bump against.
Running block device comprises assembly pulley and main structure body, plays steel rope guiding and bears the effect of hammer ram pulling force.Steel rope is connected with two lifting mechanisms and running block device by special winding, detailed process is as follows: steel rope 34 is wound on a hoisting drum, then steel rope one end 35 is wound into another is again hoisted on elevator by leading sheave, running block structure, leading sheave, finally ensure that the rope capacity be wound on two lifting mechanisms is identical.
In dynamic compaction machinery working process, by spool turns, roll or decontrol steel rope 3, and promote hammer ram after ramming at adjacent twice, control setup calculates the length difference of the steel rope be wrapped on reel, obtains tamping depth.Control setup record rises and falls the number of turns, and number of turns registration accuracy reaches 0.02 circle, band carries a fast playing function, unloaded snap catch function braking time 0.05 ~ 0.1 second.
Travel switch, the one of position switch, utilizes the collision of manufacturing machine movable parts to make its contact action to realize to connect or disjunction control circuit, reaches certain control object.Usually, this kind of switch is used to position or the stroke of limit mechanical motion.
Proximity switch is also proximity switch, and also known as static position switch, it can complete Stroke Control and position limitation protection.
Arrange the travel switch or proximity switch with induction hoisting depth, switch designs becomes electrodeless displacement to realize differing heights setting, can realize artificial adjustment or man machine communication adjustment.
According to one embodiment of present invention, 2 detection hammer rams arrive travel switch 23 or the proximity switch 22 of specified altitude assignments.Wherein, 2 travel switches 23 or proximity switch 22 are electrically connected with control setup.
2 travel switches 23 are separately positioned on the below of 2 reels 21, and whether the number of turns detecting the steel rope be wound around on 2 reels 21 reaches the threshold value of setting, and when the number of turns of the steel rope that reel 21 is wound around touches travel switch, control setup controls reel to be stopped.Can be that 2 travel switches 23 are all triggered, or only have one to be triggered, control setup controls reel to be stopped.
Just the length computation of hoist rope is completed in design, at lifting mechanism lower position place travel switch, the switch of steel rope at which layer can be detected, size is highly determined in the position of which layer by detecting steel rope, when rise be raised to certain altitude time, travel switch is opened, and suspension hook stops upward movement, prevents dangerous generation.Limit switch can adjust all around, adjusts according to different brachium and different multiplying.
According to one embodiment of present invention, when proximity switch 22 detect reel 21 ground floor steel rope only surplus three circle time, proximity switch 22 works, and signal is passed to the power-transfer clutch of indoor design, is closed by power-transfer clutch, forces reel to be braked at once.Can be that 2 proximity switches 22 are all triggered, or only have one to be triggered, control setup controls reel to be stopped.
According to one embodiment of present invention, jack up unit comprises: providing the hydraulic efficiency gear of power for promoting hammer ram, measuring the sensor of hydraulic efficiency gear pressure.Sensor is electrically connected with control setup.
According to one embodiment of present invention, when control setup judge pressure that hydraulic efficiency gear exports reach setting mention the pressure of hammer ram time, control reel and start to roll up steel rope, promote hammer ram.Setting pressure can according to hammer ram weight set.
When control setup judges that hammer ram arrives specified altitude assignment, control 2 reels and stop volume steel rope, the lifting number of turns of record steel rope.When arriving preset height, elevator shuts down, and sends prompting warning.Just hammer ram free fall action can be carried out when only having 2 alarm devices corresponding with 2 reels all to send and point out and report to the police.Twice prompting warning pause 2 seconds, hammer ram free fall.
When hammer ram free fall, when control setup judge the number of turns that reel rotates be promote the number of turns add default threshold value time, start unloaded Quick-speed braking arrangement.
After hammer ram lands, realize unloaded snap catch, during fall arrest, the elevator number of turns sets according to on-the-spot soil property for the lifting number of turns adds 1 to 3 circles, and the number of turns that such as hoists is that lower backwardness of 10 circles specifies number of turns can be set as 11 circles.
According to one embodiment of present invention, when adopting single multiplying power to hoist, after ramming at adjacent twice, hammer ram is promoted.Described steel rope when the ground floor of described first reel and the second reel, the diff-H=π rammed × { (c+d)-(a+b) } × (R+r).
As shown in Figure 2, when described steel rope drops on the n-th layer of described first reel and the second reel, n is more than or equal to 2, and ramming diff-H is 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 ram when ram diff-H be less than or equal to setting height difference time, stop ram and point out replacing tamping point.
N multiplying power can be adopted 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) to hoist, when steel rope is at reel ground floor, the diff-H rammed=(2 π/n) × { (c+d)-(a+b) } × (R+r), R is elevator radius, and r is steel rope radius.When described steel rope drops on the n-th layer of described first reel and the second reel, n is more than or equal to 2, and ramming diff-H is (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 reel radius, and r is 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 judges that hammer ram arrives specified altitude assignment, controlling warning device and give the alarm, can be audible alarm or alarm lamp flicker.
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 often enclose rope capacity and construction reference formulation number of turns registration accuracy according to elevator, be with a year fast playing function, unloaded snap catch function braking time 0.05 ~ 0.1 second,
When hydraulic efficiency gear reaches setting pressure, winch starts to record the hoisting number of turns, and hammer ram arrives specified point and stops record, and records of values is used after waiting for.The setting pressure of hydraulic efficiency gear can according to hammer ram weight set.
When hammer ram arrives preset height, elevator shuts down, and sends prompting warning, pauses 2 seconds, hammer ram free fall.
After hammer ram lands, realize unloaded snap catch, during fall arrest, the elevator number of turns sets according to on-the-spot soil property for the lifting number of turns adds 1 to 3 circles, and submergence depth data is rammed at needs scene, such as, promoting the number of turns is that lower backwardness of 10 circles specifies the number of turns can be set as 11 circles.
When realizing setting height, setting the ramming of ramming times, control setup is without the need to recording diff-H.
According to one embodiment of present invention, first the rope dropped to required for ground from empty hook is calculated long, then mounting limit switch near lifting mechanism, by detect lifting mechanism residue steel rope number realize unloaded snap catch, calculated the length of steel rope during design.
By programming control engine behavior, driving engine can according to condition of loading adjusting rotary speed, moment of torsion, horsepower output, strong rammer operating mode divide pull out hammer, carry hammer, (stopping hammer) drop hammer, unloaded braking 5 processes, require the driving engine correspondence comparatively low rotation speed large torque output when pulling out hammer, high-power output when carrying hammer, drop hammer and unloaded braking time engine idle conditions miniwatt export.
According to one embodiment of present invention, due in strong rammer process, single rope tension is change, and the elongation of steel rope is different, can affect diff-H evaluation, adjust by experiment.
The list rope double hoisting device of dynamic compaction machinery of the present invention and dynamic compaction machinery have following advantages:
1. strong rammer Based Intelligent Control can use manpower and material resources sparingly greatly, improves operating efficiency, increases economic efficiency.
2. alleviate operator's labour intensity, reduce construction risk.
3. a needs increases little cost, realizes power.
Method and system of the present invention may be realized in many ways.Such as, any combination by software, hardware, firmware or software, hardware, firmware realizes method and system of the present invention.Said sequence for the step of method is only to be described, and the step of method of the present invention is not limited to above specifically described order, unless specifically stated otherwise.In addition, in certain embodiments, can be also record program in the recording medium by the invention process, these programs comprise the machine readable instructions for realizing according to method of the present invention.Thus, the present invention also covers the recording medium stored for performing the program according to method of the present invention.
Description of the invention provides in order to 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 in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (6)
1. a list rope double hoisting device for dynamic compaction machinery, comprising:
Assembly pulley device and control setup;
It is characterized in that, also comprise:
Two reel jack up unit;
Described pair of reel jack up unit comprises 2 reels; Hammer ram is hung in the lower end of described assembly pulley device;
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 on described 2 reels respectively, and the length be wound around on described 2 reels is identical;
Described jack up unit comprises: 2 travel switches being separately positioned on the below of described 2 reels; Described 2 travel switches are electrically connected with described control setup; Wherein, whether the number of turns that described 2 travel switches detect the steel rope be wound around on described 2 reels respectively reaches the threshold value of setting;
Wherein, after ramming, described control setup controls described 2 spool turns and rolls described steel rope, promote described hammer ram, further, when described control setup calculates adjacent twice lifting described hammer ram, be wrapped in the length difference of the steel rope on described 2 reels, obtain tamping depth;
Described 2 reels are respectively: the first reel and the second reel;
Promote described hammer ram after ramming at adjacent twice, the first drum lifting number of turns is respectively a and c; The second drum lifting number of turns is respectively b and d;
When the ground floor of described steel rope at described first reel and the second reel, the diff-H=π rammed × { (c+d)-(a+b) } × (R+r),
When described steel rope drops on the n-th layer of described first reel and the second reel, n is more than or equal to 2, and ramming diff-H is 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.
2. device as claimed in claim 1, is characterized in that:
Described pair of reel jack up unit comprises: the hydraulic efficiency gear providing power for promoting described hammer ram.
3. device as claimed in claim 2, is characterized in that:
Described jack up unit comprises: the sensor measuring described hydraulic efficiency gear pressure;
Wherein, described sensor is electrically connected with described control setup.
4. device as claimed in claim 2, is characterized in that:
When described control setup judge pressure that described hydraulic efficiency gear exports reach setting mention the pressure of described hammer ram time, control described 2 reels and start to roll up described steel rope, promote described hammer ram;
When described control setup judges that described hammer ram arrives specified altitude assignment, control described 2 reels and stop the described steel rope of volume, record the lifting number of turns of described steel rope;
When hammer ram free fall, when described control setup judge the number of turns that described 2 reels rotate be the described lifting number of turns add default threshold value time, brake.
5. 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.
6. a dynamic compaction machinery, is characterized in that, comprising:
The list rope double hoisting device of the dynamic compaction machinery as described in claim 1 to 5 any one.
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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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| 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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| CN103241673B true CN103241673B (en) | 2016-04-13 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103862254B (en) * | 2014-03-10 | 2016-08-17 | 许姜德 | A kind of automatic assembling that installation sheet is assembled with pulley yoke |
| CN109292664A (en) * | 2018-12-07 | 2019-02-01 | 中联重科股份有限公司 | Rope pressing device, winch and crane |
| CN113591026B (en) * | 2021-08-06 | 2024-05-24 | 杭叉集团股份有限公司 | Dynamic compactor rammer lifting height detection system and calculation method for multi-layer rope winding of main winch |
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