CN104018507B - A kind of underwater concrete filling pile elevation control device and using method thereof - Google Patents
A kind of underwater concrete filling pile elevation control device and using method thereof Download PDFInfo
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- CN104018507B CN104018507B CN201410290407.2A CN201410290407A CN104018507B CN 104018507 B CN104018507 B CN 104018507B CN 201410290407 A CN201410290407 A CN 201410290407A CN 104018507 B CN104018507 B CN 104018507B
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Abstract
The invention provides a kind of underwater concrete filling pile elevation control device and using method thereof.Described control device comprises feeding cylinder and shrinkage-rule bar, it is characterized in that: described shrinkage-rule bar is hollow form, is fixedly installed on the upper end of feeding cylinder; Described feeding cylinder is the cylindrical shape of lower ending opening, its barrel offers multiple diameter and is less than underwater concrete particle diameter, and be greater than the mud hole of mud particle diameter, mud hole can only pass mud, can not concrete be passed, be provided with the bottom end cover of unidirectional unlatching in cylinder at the lower opening of feeding cylinder, hang in feeding cylinder and be provided with proportion and be greater than mud balance, be less than the vibrating mass of concrete proportion, vibrating mass.Structure of the present invention is simple, easy to operate, dismounting easily, assembling flexibly, can reuse for dissimilar underwater cast-in-place pile, effectively can control that the stake top mark of underwater cast-in-place pile is high and concrete is super fills with height.Can effectively reduce building project cost of production, good economic benefit can be obtained.
Description
Technical field
The present invention relates to pile foundation construction field, specifically a kind of can quick and precisely keyhole bored pile underwater concrete build height underwater concrete filling pile elevation control device and using method.
Background technology
Along with the fast development of building trade, the use of underwater concrete filling pile also increases gradually, such as some high-rise building bases, underground chamber, subterranean tunnel, bridge, harbour, harbour basis etc., particularly the basic engineering of the bridge of some soft clay area, harbour, harbour and highrise building, often adopts bored pile to carry out underwater gliders.
Due to the exploitation of the underground space; the design elevation on stake top is often below bottom surface; because of the existence of slurry mixture in filling concrete process; the true absolute altitude of concrete surface is difficult to correct positioning control; often according to construction experience and some interim simple instruments of constructor; judge as dragged for the height to concreting face such as son, lining rope; existing metering system there will be some problems often; when particularly the stake that some empty hole depths are large being poured into; because light instrument cannot use, produced problem is more more serious.
Current underwater gliders adopts more method to be tremie method and pump pressure method, wherein tremie method uses the most extensive, specifically using the steel pipe (or intensity higher hard non-metallic pipe) that the is tightly connected perfusion channel as underwater concrete, be embedded in the suitable degree of depth bottom it in concrete-agitating thing poured into, under certain head pressure effect, form concrete pile body closely knit continuously.But according to pile foundation construction code requirement, constantly pour into along with concrete, the pipe laying depth of top of concrete height and conduit should be measured in time, promote in time and remove conduit, the degree of depth in conduit Transducers Embedded in Concrete is remained between 2m ~ 6m.Owing to cannot truly determine concrete surface height, often there will be tube drawing and too much to make at the bottom of conduit, higher than concrete surface height, to cause the generation of broken pile, or too short the making of tube drawing builds the problems such as difficulty.And in specification, also require that concrete should surpass filling 800mm after being poured into design elevation, equally owing to cannot accurately determine concrete surface height, often causes concrete to surpass filling and is highly far longer than 800mm, cause a large amount of waste.As pressed stake footpath 800mm, super 2.5m, the C30 concrete of filling with of average every pile presses every cube by 275 yuan/m
3calculate, waste amount of concrete V=3.14x O.4x 0.4x 2.5=1.25m
3.From security standpoint, single-unit cuts pile length and is generally no more than 1.5 meters.As super filling 2.5 meters needs segmentation to cut stake, then every pile needs secondary to cut stake, and by the market price everyone 150 yuan/day of current labour cost, by cutting two for each person every day, the stake expense of cutting of so every pile is: 1 × 150=150 unit; Waste concrete expense is: 1.25 × 275=343.75 unit; The total cost of an average pile waste is: 343.75+150=493.75 unit.If there is the object of construction production of 1000 piles, the supplementary payments expense of engineering cost: (343.75+150) × 1000=493750 unit, if stake footpath is larger, the extra charge of average every pile is higher.
Summary of the invention
The present invention according to the deficiencies in the prior art, provide a kind of simple to operate, detection accuracy is high, and quick and precisely can build control device and the using method thereof of height by keyhole bored pile underwater concrete.
Technical scheme provided by the invention: described a kind of underwater concrete filling pile elevation control device comprises feeding cylinder and shrinkage-rule bar, it is characterized in that: described shrinkage-rule bar is hollow form, scale layer is provided with at chi rod outer surface, shrinkage-rule bar is fixedly installed on the upper end of feeding cylinder, generally be arranged on its top, shrinkage-rule bar can be that more piece hollow chi bar is socketed to form, can its length of telescopic adjustment, its shape is similar to fishing rod, described feeding cylinder is the cylindrical shape of lower ending opening, its barrel offers multiple diameter and is less than underwater concrete particle diameter, and be greater than the mud hole of mud particle diameter, mud hole can only pass mud, concrete can not be passed, the bottom end cover of unidirectional unlatching in cylinder is provided with at the lower opening of feeding cylinder, hang in feeding cylinder and be provided with proportion and be greater than mud balance, be less than the vibrating mass of concrete proportion, vibrating mass is fixed on inside the upper end cover of feeding cylinder by lifting rope, described elevation control device also comprises controller, alarm and vibrating sensor, described vibrating sensor is arranged on the position of corresponding vibrating mass inside feeding cylinder upper end cover, described controller and alarm are all arranged on the upper end of shrinkage-rule bar, the signal output part of vibrating sensor is connected with the signal output part of controller, and the signal output part of controller is connected with the signal output part of alarm.
The further technical scheme of the present invention: described vibrating mass is cone, hangs the central position being located at feeding cylinder, and its proportion is between 1.8 ~ 2.1; Vibrating mass is the cone of hollow, adds the material of different specific weight, regulate, the proportion of vibrating mass is between 1.8-2.1 to the proportion of whole vibrating mass at hollow cone.
The present invention is technical scheme preferably: the bottom end cover of described feeding cylinder is formed by connecting by hinge member by two semicircle lids, described hinge member is made up of a fixed axis and multiple hinge, its fixed axis is placed on the axis of feeding cylinder lower ending opening, two ends are separately fixed on the barrel of feeding cylinder, multiple hinge is arranged on fixed axis, and two semicircle lids are connected into a circular lid, the diameter of this circular lid is equal with the internal diameter of feeding cylinder, the one or more blocks preventing two semicircle lids from opening are provided with downwards at the lower ending opening edge of feeding cylinder.
The present invention is technical scheme preferably: the signal output part of described controller is connected with the control end of underwater gliders device.
The present invention is technical scheme preferably: the height of described feeding cylinder is 10-20cm.
The present invention is technical scheme preferably: when feeding cylinder lower port place arranges a block, is the block of annular; When arranging multiple, be block arc or square block.
The present invention is technical scheme preferably: the aperture in described mud hole is 3.5-4.5mm.
Another technical scheme provided by the invention: the using method of described a kind of underwater concrete filling pile elevation control device, is characterized in that concrete steps are as follows:
(1) underwater concrete filling pile elevation control device is prepared, this device comprises feeding cylinder and the shrinkage-rule bar that barrel offers multiple mud hole, the diameter in mud hole is greater than the mud hole that mud particle diameter is less than underwater concrete particle diameter, the aperture in mud hole is generally 3.5-4.5mm, the bottom end cover of unidirectional unlatching in cylinder is provided with at the lower opening of feeding cylinder, hang in feeding cylinder and be provided with the vibrating mass that proportion is 1.8-2.1, inside feeding cylinder upper end cover, the position of corresponding vibrating mass arranges a vibrating sensor, and the control box of built-in controller and alarm is provided with at shrinkage-rule masthead end, controller is connected by wire with vibrating sensor,
(2) clear up underwater gliders hole, and assemble underwater gliders device, determine the absolute altitude of underwater concrete filling pile, calculate the distance of design elevation from aperture, underwater gliders hole;
(3) length of shrinkage-rule bar is regulated, make the distance 500-800mm of design elevation from aperture, underwater gliders hole of the length of shrinkage-rule bar calculating middle than step (2), and ready underwater concrete filling pile elevation control device is vertically placed in underwater gliders hole, make feeding cylinder just be placed in the position of the above 500-800mm of design elevation, and the top of elevation control device is fixed on ground;
(4) pouring underwater concrete is started, concrete in filling process in underwater gliders hole and mud upwards constantly can rise by bottom filling concrete hole from conduit, when concrete surface arrives feeding bottom of the barrel, the impact force that concrete and mud rise is backed down the bottom end cover bottom feeding cylinder in cylinder, and enter in feeding cylinder, the mud entered overflows from the mud hole feeding cylinder barrel, concrete continues to enter, when touching vibrating mass, because the proportion of vibrating mass is less than concrete proportion, just can float on liquid concrete, along with concrete liquid level rises together, and touch vibrating sensor, vibrating mass can vibrate in concrete liquid level, vibrating sensor receives vibration signal, just by wire transmission to controller, again by controlling alarm equipment alarm, now just can judge that concrete surface reaches design elevation, just temporarily concrete perfusion is stopped,
(5) after stopping filling concrete, underwater concrete filling pile elevation control device is taken out in hole, check the concrete in feeding cylinder, if also have concrete in feeding cylinder, just dually can determine that concrete surface has reached the stake top mark of designing requirement high, finally complete filling concrete task.
Elevation control device of the present invention is made up of length-adjustable rule and feeding cylinder, and on the barrel of feeding cylinder, offer the hole that multiple aperture is less than concrete particle diameter, hang at the top of feeding cylinder and establish one can be greater than mud, to be less than concrete object by proportion, because heavy object can sink in the liquid object that proportion is little, the object that proportion is little can be floating in heavy liquid object.And mud and concrete in filling process all in liquid, obtain according to detection, the proportion about 1.15 of general mud, and concrete proportion is about 2.4, according to above principle, we just can control whole cone proportion by the quality changing the material be added in vibrating mass makes it be between 1.8 ~ 2.1, thus vibrating mass is sunk in mud, floating on concrete surface.The mud entered in feeding cylinder can be flowed out by mud hole, avoids Shale Shaker to sensor, causes unnecessary interference effect to sensor, be convenient to feeding bucket feeding.When concrete enters feeding cylinder, hang the vibrating mass established and just can float over concrete surface because proportion is less than concrete, and along with concrete surface rising, sensor is provided with at feeding cylinder top cover inwall, the vibrating mass risen just can feeler, because concrete surface produces impact force and vibration in uphill process, just vibrating mass can be driven to vibrate, when sensor sensing is to the vibrating mass vibrated, just can by signal transmission to controller, alarm equipment alarm is controlled by controller, just temporarily concrete perfusion is stopped after warning, take out this device, and check in feeding bucket whether have concrete, determine that concrete arrives absolute altitude really, just the perfusion of this concrete pile can be terminated.
Structure of the present invention is simple, easy to operate, dismounting easily, assembling flexibly, can reuse for dissimilar underwater cast-in-place pile, effectively can control that the stake top mark of underwater cast-in-place pile is high and concrete is super fills with height, the interference of mud can not be received in control procedure, the height of concrete surface can be judged accurately, effective reduction building project cost of production, can obtain good economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of feeding cylinder of the present invention;
Fig. 3, Fig. 4 are the schematic bottom view of feeding cylinder in the present invention;
Fig. 5 is the structural representation of control box of the present invention;
Fig. 6 is using state schematic diagram of the present invention.
In figure: 1-feeding cylinder, 2-shrinkage-rule bar, 3-mud hole, 4-bottom end cover, 4-1-semicircle lid, 4-2-hinge member, 4-3-block, 5-vibrating mass, 6-lifting rope, 7-controller, 8-alarm, 9-vibrating sensor, 10-control box, 11-battery case, 12-switch, 13-sensor wiring hole, 14-wire, 15-underwater gliders hole, 16-concrete perfusion conduit, 17-code requirement underwater concrete filling pile perfusion absolute altitude
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.As shown in Figure 1, described a kind of underwater concrete filling pile elevation control device comprises feeding cylinder 1 and shrinkage-rule bar 2, it is characterized in that: described shrinkage-rule bar 2 can adopt the structure of existing telescopic sleeving rod, be socketed to form by more piece hollow form chi bar, and by its length of telescopic adjustment, often joint cover chi is being stretched out or all can fixed (fixed form that its fixed form directly can adopt existing telescopic sleeving rod) after shrinking, guarantee can not arbitrarily change its length after regulating length, the structure of shrinkage-rule bar 2 can adopt the structure of similar fishing rod; Be equipped with scale layer at the external surface often saving cover chi, and the scale value of more piece cover chi is continuous print, just form a complete shrinkage-rule after stretching out, shrinkage-rule bar 2 is fixedly installed on the top of feeding cylinder 1.The height on cast-in-place concrete pile end face and ground can be determined in use according to the absolute altitude of underwater concrete filling pile, then shrinkage-rule bar 2 is adjusted to than stake elevation of top that (length here is specifically determined according to the height of feeding cylinder to the length of the long 500-800mm of ground level, guarantee feeding position can under water concrete pile absolute altitude the meaning about 800mm position, the height that can control underwater concrete stake accurately reaches design specifications, because stake top place has the sediment of laitance and mud after pile, intact in order to ensure last stake top mark high concrete, in all pile foundation constructions, design drawing and construction contract all can require that the concrete absolute altitude of in-site pouring will exceed design elevation 500-800mm), this device is placed in underwater gliders hole, and be fixed by some modes and (clamp its end as by a geometrical clamp, then geometrical clamp is fixed on the ground, or by other existing mode, it stable is fixed on ground, guarantee the position of 500-800mm above the absolute altitude that feeding cylinder is placed in underwater concrete filling pile, can be filled into when exceeding absolute altitude 500-800mm by cast-in-place concrete pile under water, can feeding report to the police, the absolute altitude of underwater concrete filling pile is controlled.
As shown in Figure 2, described feeding cylinder 1 is the cylindrical shape of upper end sealing, lower ending opening, and its diameter is 10-20cm, be highly 30cm, this highly mainly designs for the stake of stake diameter 800mm, because the diameter of concrete perfusion conduit is about 30cm, conduit two back gauge pile lining spacing is 25cm.The stake of other types can carry out concrete setting according to stake diameter, the highly too little and too high feeding and affect working sensor of being unfavorable for.The barrel of feeding cylinder 1 offers multiple diameter and is less than underwater concrete particle diameter, be greater than the mud hole 3 of mud particle diameter, the aperture in mud hole 3 is 3-5-4.5mm, in Concrete Grouting Pale, the material footpath of concrete gravel is in 5-31.5mm continuous grading, and in mud, the particle diameter of sand is generally at below 2mm.The aperture in mud hole 3 is arranged between sand and concrete gravel, can only pass mud, not by concrete, after mud enters feeding cylinder 1, just can be discharged by mud hole 3, just the mud in concrete can be separated, avoid the absolute altitude of mud influence concrete surface to control.Hang in feeding cylinder 1 and be provided with proportion and be greater than mud balance, be less than the vibrating mass 5 of concrete proportion, described vibrating mass 5 is hollow cone, material is glass fiber reinforced plastic (FRP) i.e. fiber-reinforced plastic, light weight and hard, non-conductive, mechanical strength is high, corrosion-resistant, smooth surface.May be corrosive in earth during Underwater pile construction material, and the various additives in concrete have certain corrosivity, and vibrating mass can not be corroded.Described vibrating mass is fixed on inside the upper end cover of feeding cylinder 1 by lifting rope 6, and it just hangs the central position being located at feeding cylinder 1 after fixing, and is changed the proportion of whole vibrating mass, its proportion is between 1.8-2.1 by the material adding different proportion.The solid that vibrating mass 5 also can directly adopt the material of proportion between 1.8 ~ 2.1 to make, is provided with the bottom end cover 4 of unidirectional unlatching in cylinder at the lower opening of feeding cylinder 1.
As shown in Figure 3, the bottom end cover 4 of described feeding cylinder 1 is formed by connecting by hinge member 4-2 by two semicircle lid 4-1, described hinge member is made up of a fixed axis and multiple hinge (ordinary circumstance two hinges), its fixed axis is placed on the axis of feeding cylinder 1 lower ending opening, two ends are separately fixed on the barrel of feeding cylinder 1, multiple hinge is arranged on fixed axis, and two semicircle lid 4-1 are connected into a circular lid, the diameter of this circular lid is equal with the internal diameter of feeding cylinder 1, the one or more block 4-3 preventing two semicircle lids from opening are provided with downwards at the lower ending opening edge of feeding cylinder 1, guarantee that two semicircle lids can not be opened downwards, only unidirectional unlatching inside meeting feeding cylinder.Feeding cylinder 1 lower port in enforcement illustration in Fig. 3 is provided with a collar stop, and feeding cylinder 1 lower port in the enforcement illustration in Fig. 4 arranges multiple square block.
As shown in Figure 1, described elevation control device also comprises controller 7, alarm 8 and vibrating sensor 9, described vibrating sensor is arranged on the position of corresponding vibrating mass 5 inside feeding cylinder 1 upper end cover, described controller 7 and alarm 8 are all arranged in a control box, and be placed in the top of shrinkage-rule bar 2, conveniently install and can not fix with shrinkage-rule bar 2, when mounted, it directly can be fixed on bottom surface.As shown in Figure 5, battery case 11 is also provided with in this control box, control box is provided with sensor wiring hole 13, the signal output part of vibrating sensor 9 is connected by the signal output part of wire 14 with the controller 7 be arranged in control box, wire 14 passes in the hollow cavity of shrinkage-rule bar 2, and the signal output part of controller 7 is connected with the signal output part of alarm 8; Its controller can also be connected with the control end of underwater gliders device, while touching alarm signal, automatically controls underwater gliders device and stops perfusion.
First, by average maximum specific weight and the concrete average minimum proportion of mud prepared by Instrument measuring, then according to two numerical value to 4 proportion carry out adjustment and make its proportion be between mud and concrete proportion, the length of 2 is highly first adjusted according to empty hole depth in hole and the super filling of permission, then tremie concrete pile head elevation control device is vertically put into hole, 1 is positioned over ground, and the top horizontal ground or above ground level of 2, is then fixed.In concrete casting process, the scale in the warning by 1 and 2 and the feeding of 3 carry out the height in double-direction control concreting face, thus better control concrete pouring quality.
Embodiment: certain Tall Building Foundation adopts castinplace pile, and stake is long about 60 meters, but its empty hole depth reaches 17 meters, the control difficulty for concreting height is large, according to above situation, selects to adopt the present invention highly to control concrete building.First, according to actual measurement, the average maximum specific weight obtaining mud is 1.26, adopting the concrete of C45 to survey its proportion is 2.42, according to above two values, the cone of rotary hollow is filled fine sand therein and is obtained the vibrating mass that proportion is 2, and be fixed in feeding cylinder 1, after measurement mechanism is ready to, by the length adjustment of shrinkage-rule bar 2 to 500-800mm longer than empty hole depth, the i.e. length of 17.7-17.8 rice, it is vertically placed in underwater gliders hole 15, as shown in Figure 6, and fix, after fixing, feeding cylinder 1 is placed in the position of code requirement underwater concrete filling pile perfusion absolute altitude 17 (i.e. the position of underwater concrete filling pile absolute altitude 800mm), then the perfusion normally carrying out underwater concrete stake is started, concrete perfusion is put into hopper and is flowed via a conduit bottom hole, concrete constantly puts into hopper, concrete in hole and mud upwards constantly can rise by bottom hole from conduit, when concrete surface arrives bottom feeding cylinder 1, the impact force that concrete and mud rise is opened the bottom end cover 4 bottom feeding cylinder 1 in feeding cylinder, concrete and mud enter in feeding cylinder, now mud can overflow from the mud hole 3 barrel of feeding cylinder.Concrete and pyramid type vibrating mass rise gradually, just vibrating sensor 9 can be touched, add concrete and there will be vibration in filling process, just vibrating mass 5 can be made to vibrate, vibrating sensor 9 receives the vibration signal of vibrating mass 5, by wire transmission to controller 7, then controls alarm 8 by controller 7 and sends chimes of doom, now by manually or automatically controlling concrete casting device, temporarily stop concrete perfusion.Fluid concrete pile head elevation control device is taken out in underwater gliders hole 15, check the concrete in feeding cylinder, object is to carry out double-direction control, alarm 8 gives the alarm, also concrete is had in feeding cylinder 1, illustrate that concrete surface has reached the stake top mark of designing requirement high, finally complete filling concrete task.
Fluid concrete pile head elevation control device vertically puts into hole internal procedure collision free to conduit and hole wall along hole wall, in order to avoid cause unnecessary damage to controller, according to the aperture of stake and the size of tremie, processing fluid concrete pile head elevation control device can be produced in batches.It is high advanced reliable that this controller controls concrete pile top mark, has the function and efficacy of double-direction control, simple to operate understandable.Can to the investor of building project and construction enterprises cost-saving.
Claims (8)
1. a using method for underwater concrete filling pile elevation control device, is characterized in that concrete steps are as follows:
(1) underwater concrete filling pile elevation control device is prepared, this device comprises feeding cylinder and the shrinkage-rule bar that barrel offers multiple mud hole, the diameter in mud hole is greater than mud particle diameter and is less than underwater concrete particle diameter, the bottom end cover of unidirectional unlatching in cylinder is provided with at the lower opening of feeding cylinder, hang in feeding cylinder and be provided with the vibrating mass that proportion is 1.8-2.1, inside feeding cylinder upper end cover, the position of corresponding vibrating mass arranges a vibrating sensor, and the control box of built-in controller and alarm is provided with at shrinkage-rule masthead end, controller is connected by wire with vibrating sensor,
(2) clear up underwater gliders hole, and assemble underwater gliders device, determine the absolute altitude of underwater concrete filling pile, calculate the distance of design elevation from aperture, underwater gliders hole;
(3) length of shrinkage-rule bar is regulated, make the distance 500-800mm of design elevation from aperture, underwater gliders hole of the length of shrinkage-rule bar calculating middle than step (2), and ready underwater concrete filling pile elevation control device is vertically placed in underwater gliders hole, make feeding cylinder just be placed in the position of the above 500-800mm of design elevation, and the top of elevation control device is fixed on ground;
(4) pouring underwater concrete is started, concrete in filling process in underwater gliders hole and mud upwards constantly can rise by bottom filling concrete hole from conduit, when concrete surface arrives feeding bottom of the barrel, the impact force that concrete and mud rise is backed down the bottom end cover bottom feeding cylinder in cylinder, and enter in feeding cylinder, the mud entered overflows from the mud hole feeding cylinder barrel, concrete continues to enter, when touching vibrating mass, because the proportion of vibrating mass is less than concrete proportion, just can float on liquid concrete, along with concrete liquid level rises together, and touch vibrating sensor, vibrating mass can vibrate in concrete liquid level, vibrating sensor receives vibration signal, just by wire transmission to controller, alarm equipment alarm is controlled again by controller, now just can judge that concrete surface reaches design elevation, just temporarily concrete perfusion is stopped,
(5) after stopping filling concrete, underwater concrete filling pile elevation control device is taken out in hole, check the concrete in feeding cylinder, if also have concrete in feeding cylinder, just dually can determine that concrete surface has reached the stake top mark of designing requirement high, finally complete filling concrete task.
2. the using method of a kind of underwater concrete filling pile elevation control device according to claim 1, it is characterized in that: the underwater concrete filling pile elevation control device used in step (1) comprises feeding cylinder (1) and shrinkage-rule bar (2), described shrinkage-rule bar (2) is hollow form, is fixedly installed on the top of feeding cylinder (1); The cylindrical shape that described feeding cylinder (1) is lower ending opening, its barrel offers multiple diameter and is less than underwater concrete particle diameter, and be greater than the mud hole (3) of mud particle diameter, the bottom end cover (4) of unidirectional unlatching in cylinder is provided with at the lower opening of feeding cylinder (1), hang in feeding cylinder (1) and be provided with proportion and be greater than mud balance, be less than the vibrating mass (5) of concrete proportion, vibrating mass (5) is fixed on inside the upper end cover of feeding cylinder (1) by lifting rope (6); Described elevation control device also comprises controller (7), alarm (8) and vibrating sensor (9), described vibrating sensor is arranged on the position of corresponding vibrating mass (5) inside feeding cylinder (1) upper end cover, described controller (7) and alarm (8) are all arranged on the upper end of shrinkage-rule bar (2), the signal output part of vibrating sensor (9) is connected with the signal output part of controller (7), and the signal output part of controller (7) is connected with the signal output part of alarm (8).
3. the using method of a kind of underwater concrete filling pile elevation control device according to claim 2, it is characterized in that: described vibrating mass (5) is cone, hang the central position being located at feeding cylinder (1), its proportion is between 1.8 ~ 2.1.
4. the using method of a kind of underwater concrete filling pile elevation control device according to claim 2, it is characterized in that: the bottom end cover (4) of described feeding cylinder (1) is formed by connecting by hinge member (4-2) by two semicircle lids (4-1), described hinge member is made up of a fixed axis and multiple hinge, its fixed axis is placed on the axis of feeding cylinder (1) lower ending opening, two ends are separately fixed on the barrel of feeding cylinder (1), multiple hinge is arranged on fixed axis, and two semicircle lids (4-1) are connected into a circular lid, the diameter of this circular lid is equal with the internal diameter of feeding cylinder (1), the one or more blocks (4-3) preventing two semicircle lids from opening are provided with downwards at the lower ending opening edge of feeding cylinder (1).
5. the using method of a kind of underwater concrete filling pile elevation control device according to claim 2, is characterized in that: the signal output part of described controller (7) is connected with the control end of underwater gliders device.
6. the using method of a kind of underwater concrete filling pile elevation control device according to claim 2, is characterized in that: the diameter of described feeding cylinder (1) is 10-20cm, is highly 30cm-50cm.
7. the using method of a kind of underwater concrete filling pile elevation control device according to claim 2, is characterized in that: the aperture of described mud hole (3) is 3.5-4.5mm.
8. the using method of a kind of underwater concrete filling pile elevation control device according to claim 3, is characterized in that: when feeding cylinder (1) lower port place arranges a block, is the block of annular; When arranging multiple, be block arc or square block.
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| CN202694059U (en) * | 2012-06-21 | 2013-01-23 | 山东大学 | Underwater concreting elevation control equipment |
| CN202730765U (en) * | 2012-07-12 | 2013-02-13 | 江苏省交通工程集团有限公司 | Sampler for underwater concrete pouring of cast-in-situ bored pile |
| CN103267464A (en) * | 2013-05-03 | 2013-08-28 | 中冶集团武汉勘察研究院有限公司 | Tool for measuring concrete pouring height |
| CN103643703B (en) * | 2013-12-17 | 2017-01-18 | 中国矿业大学 | Intelligent monitoring device and method for underwater concrete pouring elevation |
| CN203905005U (en) * | 2014-06-25 | 2014-10-29 | 中冶集团武汉勘察研究院有限公司 | Underwater cast-in-place concrete pile elevation control device |
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2014
- 2014-06-25 CN CN201410290407.2A patent/CN104018507B/en active Active
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