CN102359111B - Underwater concrete pouring elevation control device and use method thereof - Google Patents

Underwater concrete pouring elevation control device and use method thereof Download PDF

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Publication number
CN102359111B
CN102359111B CN201110328579.0A CN201110328579A CN102359111B CN 102359111 B CN102359111 B CN 102359111B CN 201110328579 A CN201110328579 A CN 201110328579A CN 102359111 B CN102359111 B CN 102359111B
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lever
driving lever
assembling
concrete
horizontal cross
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CN102359111A (en
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肖玉成
刘耀峰
张艳军
昌钰
潘献义
成晶
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Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
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Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
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Abstract

The invention discloses an underwater concrete pouring elevation control device, which is characterized in that one end of a lever horizontal cross rod (7) is connected with a suspension appliance (1) by using an intermediate lengthening rod (5) and an upper regulating rod (6), and the other end of the lever horizontal cross rod (7) is connected with a counter weight. The underwater concrete pouring elevation control device has the advantages that wide suitable range, simple and convenient installation method and low labor intensity, can be used for completely eliminating a concrete under-pouring phenomenon and favorably controlling an excessive over-pouring phenomenon during concrete pouring, and is beneficial to not only project cost reduction but also to great promotion of construction management level and quality of concrete pouring construction products.

Description

Underwater concrete pouring elevation control device and using method
Technical field
The present invention relates to geotechnical engineering construction field, specifically a kind of underwater concrete pouring elevation control device and using method.
Background technology
Enforcement along with China's policies of reform and opening to the outside world, national economic strength obtains strengthen continuously, it is increasing that domestic project is built dynamics, more and more major diameter underwater cast-in-place pile, the diaphragm walls of adopting in basis of the engineerings such as highrise building, speedway, high-speed railway, town road, bridge, harbour.Because basis is buried darker and darker, grout pile top (continuous wall top) absolute altitude of holding power body as basis is more and more darker, while how accurately to judge underwater grouting concrete, whether just in time reaches design elevation, becomes the key factor that affects engineering construction quality and engineering cost.The absolute altitude that judges in the past underwater concrete pouring face often relies on construction technical staff utilize bamboo pole or lengthen the simple tools such as strainer, with technician's micro-judgment.This method often error is very large, is not super filling too much, and waste is serious, exactly dense mud is judged to concrete, causes needing pile extension after excavation, cause economic loss etc., especially under the increasing situation in current stake footpath, larger to the cost impact of engineering, also become the construction team's level of weighing.For this situation, the domestic technician of having tackles key problems how judging concrete underwater grouting height, invented underwater concrete pouring level position indicator (application number: ZL200510024291.9 publication number: CN1831492A) utilize concrete in concrete pouring process, the pressure difference of the media such as mud, the location that adopts this pressure difference of single or multiple pressure sensor monitorings to realize concrete pouring absolute altitude (or degree of depth), this cover appliance requires cost is high, instrument uses needs electricity consumption, use procedure is complicated, generally need special messenger to be responsible for, and require user to have certain technical quality, the bad weather of sleet is large on result impact.Underwater concrete sampler (ZL 200920143171.4 notice of authorization CN201367588Y) adopts bottom of connection segment guide rod connection until design elevation place pulls material out, to propose aperture judgement with the storage tank of valve, applying this Technology Need special messenger is just lowered at set intervals sampler and drags on sample and judge, labour intensity is large, the degree of accuracy is also limited, in fact has no difference with conventional method.
Summary of the invention
The object of the invention is the problem existing for prior art, design a set of a kind of simple and easyly and easy to use, can not only accurately but also allow easily common constructor judge to determine concrete and build the underwater concrete pouring elevation control device whether degree of depth of face (absolute altitude) reaches precalculated position.
Underwater concrete pouring elevation control device of the present invention comprises: assembling and positioning latch with locking mechanism 10 through the assembling of inlaying insulating rigid snap ring in reserved on lever horizontal cross bar 7 to wearing circular hole 19, one of assembling and positioning latch 10 with locking mechanism arranges locking latch 15. assembling and positioning latch 10 other ends with locking mechanism and the set bolt 14 of assembling device are connected; Upper adjusting rod 6(or the upper fixed ruler bar of lever horizontal cross bar 7 one end and driving lever) be connected, adjusting rod 6(or upper fixed ruler bar on driving lever) be directly connected with scale bar 4 under driving lever, under driving lever, scale bar 4 is rigidly connected with suspension utensil 1 bottom, can adopt bolt or rivet be fixedly connected with at suspension utensil 1 upper end jewel hole, adjusting rod 6(or upper fixed ruler bar on the public silk of scale bar 4 other end bands or interior sieve and driving lever under driving lever) interior sieve or supporting the interconnecting of public silk of lower end.Adjusting rod 6(or upper connecting-rods with constant lengh on driving lever) there are two bars, wherein one end have one can be with locking mechanism with lever horizontal cross bar 7 use the collar of the hinged inner wall smooth of lever connecting bolt 9, on driving lever another root one end of adjusting rod 6 have can with supporting public silk or interior sieve being connected of lower scale bar 4, lever horizontal cross bar 7 other ends are connected with lever counterweight bracket 8, set bolt 14 other ends of assembling device are connected with operating platform 13, 12 1 of balanced pointers are connected on lever horizontal cross bar 7, other end is unsettled or rest on the acousto-optic warning device contact utmost point 20, the acousto-optic warning device contact utmost point 20 other ends are connected with operating platform 13, on operating platform 13, be carved with balance indication indentation 16.
Extension bar 5 in the middle of the Long degree that can root Ju between adjusting rod 6 on scale bar 4 and driving lever under driving lever need want adds, its connected mode is the same with 6 connected modes of adjusting rod on driving lever with scale bar 4 under driving lever.
Underwater concrete pouring elevation control device using method is as follows:
1, complete pore-forming (groove) operation, and placing stake aperture, hole (groove section) the placement operating platform 13 of reinforcing cage (reinforced mesh), before operating platform is in place, should install set bolt 14, setting balance indication indentation 16.
2,, according to the elevation difference h1 of the indentation 16 on the stake top mark high (wall top mark is high) of designing requirement and aperture operating platform 13, consider the length L of other factors calculation element driving lever 17, during calculating, still should consider the super filling height h2 of code requirement, consider suspension device effective height h3, consider the height h4 that after building the ultra-high concrete existing in last conduit all pours in a hole (diaphragm wall), concrete face raises, the inside and outside discrepancy in elevation of conduit inner concrete is larger on the impact of Small Diameter Pile, and this discrepancy in elevation and final stage conduit are imbedded the degree of depth of concrete face, the construction custom of each concrete construction teams and groups, the slump of concrete itself, stake top (wall top) design buried depth, pore-forming technique, sediment thickness, concentration of hydraulic mixture is all relevant, need to when each projects test pile, measure this discrepancy in elevation, during engineering pile, in strict accordance with test pile parameter, construct, guarantee that the same stake of single project type h4 is basically identical.Driving lever length L is calculated by following formula L=h1-h2-h3+h4, is accurate to cm.According to calculated length L, lower scale bar 4, middle extension bar 5, upper adjusting rod 6 with suspension device are reliably joined together to form to driving lever, integer rice deducts the length of 1 meter and is combined by lower scale bar 4 and middle extension bar 5, and remaining length is combined by two bars of upper adjusting rod 6.Also upper adjusting rod 6 can be made to cut lengths simply, during practical application, according to calculated length L, deduct the length of lower scale bar 4 and upper fixed ruler bar 6, the middle extension bar 5 that needs well length directly, then by bolt or sleeve or other form, firmly connect to form driving lever with upper and lower scale bar.Before assembling, each ingredient should be weighed or calculated weight, gather the weight G1 that forms driving lever.
3, balanced pointers 12 is well fixed in to lever horizontal cross bar 7 by precalculated position and hangs the upside of one end of counterweight bracket 8.
4, assembling and positioning latch 10 with locking mechanism is firmly connected with the set bolt 14 of assembling device on operating platform 13, then by lever horizontal cross bar 7 by quartile position reserved assembling circular hole 18 overlap to assembling and positioning latch 10, and be plugged the device locking latch 15 that prevents the 7 unexpected landings of lever horizontal cross bar.In assembling and positioning latch 10 outsides, assembling circular hole 18, all should smear sliding agent or lubrication oil.
5, device driving lever 17 suspension devices of assembling complete band suspension utensil 1 are being transferred to intending building in the stake hole (in groove section) of concrete, by lever connecting bolt 9, through adjusting rod 6 upper ends on device driving lever 17 and the lever horizontal cross bar 7 that has been connected to operating platform 13 sides, be unkitted the reserved assembling circular hole in one end of pointer, device driving lever 17 and lever horizontal cross bar 7 are linked together, now, under the weight G1 effect of device driving lever 17, lever horizontal cross bar 7 has one end of balanced pointers 12 vertically to point into the sky.For bascule is put into the buoyancy of mud, should according to the volume of suspension utensil and mud balance, calculate this weight G2 in advance, counterweight dog-house 2 reserved on by suspension utensil drops into the fine grained counterweight material of equivalent, and good seal, and counterweight material is generally used dry sand; In order to feed intake smoothly, before feeding intake, the air-vent 3 with sealing shroud on suspension utensil 1 should be opened, after having fed intake, reseal.Inventory should exceed calculated weight G2 slightly, so that after device installation in position, balanced pointers 12 is a less acute angle counterclockwise with balance indication indentation 16, balanced pointers 12 upwarps slightly; Sliding agent or lubrication oil all should be smeared in latch outside and circular hole inner side.
6, according to the weight G1 of device driving lever 17 1/3 and deduct the slip-off preventing balancing weight 11 of selecting approrpiate wts after the weight of lever counterweight bracket 8, by lever connecting bolt 9, through lever counterweight bracket 8 upper ends and the lever horizontal cross bar 7 that assemble balancing weight 11, filled the reserved assembling circular hole in pointer one end, whole device is linked together, now the balanced pointers 12 of lever horizontal cross bar 7 overlaps with balance indication indentation 16 substantially due to both sides equalising torque, and lever is in equilibrium state; Sliding agent or lubrication oil all should be smeared in latch outside and circular hole inner side.
7, start in hole (in groove section) and build concrete from bottom to top, and section by section, pull out the conduit of building concrete, the lever horizontal cross bar 7 of this timer can normally rise and fall up and down with casting process.
8, when the concrete face that (in groove section) builds in hole progressively arrives suspension utensil 1 bottom residing absolute altitude, because concrete and mud balance differ greatly, the suspension utensil 1 that originally can be suspended in mud moves up owing to being subject to the jacking of concrete face, on driving device driving lever 17, move, this timer lever balance is broken, balanced pointers 12 be take assembling and positioning latch 10 and is rotated clockwise as the center of circle, while being an angle form and the lasting increase of angle with balance indication indentation 16, now should stop pouring into concrete, on pull out conduit concrete in conduit all poured out, concrete face can reach the absolute altitude of designing requirement.Now can be according to the step provision for disengagement contrary with assembling.
9,, when being applied to be less than 800mm stake hole and building, because gap between reinforcing cage and conduit is less, device is easily blocked by reinforcing cage and conduit sometimes, if lever system is motionless while normally building, or pointer and indentation angle have differently, all should shake conduit, make the package unit can be freely movable.
Described suspension utensil 1: can be to establish with the counterweight dog-house 2 of sealing shroud with hard thin-wall and the band cavity substance of the air-vent 3 of sealing shroud, also can be not with the counterweight dog-house 2 of sealing shroud and not with the air-vent 3 of sealing shroud can be airtight hard thin-wall band cavity substance, making the material of suspension utensil 1 does not limit, diameter is not less than 5cm, with 5-20cm, is advisable; Sensitive for the reflection of assurance device effect, be convenient to lay, the large appropriate to the occasion suspension utensil 1 that diameter is large of selecting in stake footpath, the suspension utensil 1 that diameter is little is selected in stake footpath hour; Suspension utensil 1 can be spherical, cylindrical, cone cylinder body shape, can be also flat hemispherical, and suspension utensil 1 material can be steel, hard organic or inorganic synthetic materials, can also use cork ball, or hard bottle shaped article.
On described suspension utensil 1 with the counterweight dog-house 2 of sealing shroud: sealing shroud can be rubber jacket formula, cork or rubber stopper formula or plastics knob etc., as long as gas outlet can be sealed when the needs shutoff completely, while not needing shutoff, openable way all can.
On described suspension utensil 1 with the air-vent 3 of sealing shroud: with 2, sealing shroud can be multiple material or structural form.
Scale bar 4 under described driving lever: cut lengths is generally 50-100cm, lower scale section is rigidly connected with suspension utensil bottom, can adopt bolt or rivet and scale section fixing compact at suspension utensil 1 upper end jewel hole, scale section other end band screw thread (public silk or interior sieve), supporting with interior sieve or the public silk of upper fixed ruler section lower end, can interconnect closely.Also can weld temporarily.Scale section generally selects the smooth bar muscle of φ 6-φ 10mm or other metal or other material material of hard to make.
Extension bar 5 in the middle of described driving lever: general adopt with scale section with the material of material length as required by welding or sleeve is connected or bolt directly connects, also can adopt metal or the connection of composite material hollow pipe expansion coupling cassette.Preferably take 0.5 meter make isometric section as modulus, two ends all prepare the connector that is easy to assembling, process in advance, during assembling, length on demand connects.Also can, directly according to each engineering characteristic, with the degree of depth, water in batches the direct blanking of the on-the-spot reinforcing bar of front employing and lower scale section and raise sections welding and more save trouble.
Adjusting rod 6(or upper connecting-rods with constant lengh on described driving lever) upper adjusting rod is comprised of two bars, wherein a bar one end has one can use with lever horizontal cross bar the collar of the hinged inner wall smooth of latch, collar internal diameter 8-10mm, shaft is down all drilled with pinking every 5cm from collar center, another root bar one end have can with the supporting connection being connected of lower scale bar, from this connector, along shaft, every 5cm, bore a pair of pinking; The flat straight-bar that pole stock available metal or other material are made, two long 97cm left and right that are all preferably of bar, during use, two bars are adopted two cover stove bolts through the aperture docking of two bars, can obtain bar length and take the upper adjusting rod that 5cm is differential 100cm-195cm, easy to use.Adjusting rod also can adopt more convenient telescopic band clamping structure.In actual application, also upper adjusting rod can be made to scale bar with a root timber material, the ring-shaped sleeve that bar one end is inner wall smooth, one end be can with lower scale bar or the supporting connector being connected of middle extension bar.
Described-lever horizontal cross bar 7: total length 40-100cm left and right, two ends are consolidated with in the U-shaped chuck of same plane, and the both sides bifurcated of U-shaped chuck props up the circular hole that is drilled with through inner wall smooth, and Circularhole diameter is generally 6-8mm; In the quartile position of horizontal cross bar (can economize balance weight) or point midway and U-shaped chuck plane vertical direction of living in are reserved joins circular hole 18 to installing, circular-hole internal-wall should be smooth, and Circularhole diameter is generally 14-20mm.
Described-lever counterweight bracket 8: bracket is with pallet and hard peg, hard peg one end fixed with pallet (welding, bolt are connected, rivet connection all can), the fixed collar of the other end, collar internal diameter 8-10mm.
Described lever connecting bolt 9 with locking mechanism: the metal bolt that driving lever and lever horizontal cross bar and lever counterweight bracket are articulated as one, latch appearance should be smooth, and two ends all should be with the aperture to widow bolts diameter that can insert locking card.Latch is about 8-10cm, and diameter 5-9mm selects different-diameter latch according to empty hole depth difference, and empty hole depth is larger, and latch diameter is larger.
Described-assembling and positioning latch 10 with locking mechanism: device is fixed on to the fastening screw on the operating platform of aperture, and one end is with the aperture to widow bolts diameter that can insert locking card, and latch should be smooth near near about 5cm appearance locking card.Latch is about 10-15cm, diameter 12-18mm, and the fixed nut of the other end, the screw rod supporting with this nut has firmly been connected to operating platform side in advance.According to empty hole depth difference, select different-diameter latch, empty hole depth is larger, and latch diameter is larger.Easy way is this latch to be directly welded in to operating platform side.
Described-slip-off preventing balancing weight 11: the round iron plate of different-thickness is opened to a U-shaped groove from middle beginning along radius, while being conveniently placed on counterweight bracket, bracket peg is positioned at iron plate center, 1 through hole is respectively bored in both sides at U-shaped groove outside iron plate, balancing weight in place rear with iron wire through aperture, seal U-shaped notch, avoid the landing of counterweight iron plate.
Described-balanced pointers 12: elongated rod-shaped, be about 20cm, available metal thin bar one end is affixed (can weld or reserved good pilot hole on balancing pole and pointer, with bolt, fix or iron wire perforation colligation is fixed) in lever horizontal cross bar, hang the upside of one end of counterweight bracket, in order to direct and balance indentation, whether indicate lever balance, generally answer color eye-catching, can make of the eye-catching material of other hard colors; Or with metal material make, metal is connected on lever horizontal cross bar as the switch of triggering sound, optical, electrical alarm or as the utmost point of acousto-optic-electric alarm circuit.
Described operating platform 13: be generally shaped steel combination welding and form, can generally all the band valve chuck of laying A/C be welded on to operating platform central authorities according to individual works stake hole size (or continuous wall is wide) field fabrication, kill two birds with one stone.
The set bolt 14 of described-assembling device: be positioned at operating platform side, screw rod tail can be directly welded in to operating platform side, vertical with platform side with the shaft of screw thread; Better way is directly at the circular hole of the side of platform shaped steel pre-drilled Φ 20mm diameter, and the platform front supporting bolt of a set of and assembling and positioning latch of first loading onto in place, stretches out platform shaped steel face and is no less than 5cm in outside with the screw rod of screw thread.
Described-device locking latch 15: can be steel dedicated lock shotpin, the iron wire that also can adopt model to mate with aperture.
Described balance indication indentation 16: directly engraving indentation in shaped steel external surface and device set bolt same level position, also can adopt welding minor diameter reinforcing bar to replace on shaped steel surface, for eye-catching, generally indication indentation should be coated with and brush conspicuous color.
Described device driving lever 17: reliably linked together and form by lower scale bar 4, middle extension bar 5, upper adjusting rod 6, driving lever length need to be passed through calculative determination according to the design drawing of disparity items.
Assembling reserved on described lever horizontal cross bar is to wearing circular hole 18: reserving and joining circular hole to installing with U-shaped chuck plane vertical direction of living at the quartile position of horizontal cross bar (can economize balance weight) or point midway, circular-hole internal-wall should be smooth, and Circularhole diameter is generally 14-20mm.
The assembling of inlaying insulating rigid snap ring in reserved on described-lever horizontal cross bar is to wearing circular hole 19: at the quartile position of horizontal cross bar (can economize balance weight) or point midway, join circular hole with U-shaped chuck plane vertical direction of living in is reserved to installing, circular-hole internal-wall should be smooth, reserved Circularhole diameter adds greatly 18-24mm, in circular hole, snapping in insulating rigid material, can be hard PVC material or other hard material.
The described acousto-optic warning device contact utmost point 20: be positioned at the lower edge of operating platform side indentation, the general reinforcing bar one end that is about 20cm of using directly welds to the lower edge of operating platform shaped steel side, and this bar dowel axis is perpendicular to operating platform side; Can be used as a utmost point of external simple sound or simple light or acousto-optic linkage alarm device.
For achieving the above object, underwater concrete pouring face elevation control device of the present invention, utilize concrete in underwater concrete pouring process, mud balance difference, utilize suspension device to take into account lever balance theory and be combined into a covering device, when the concrete face of building reaches predetermined absolute altitude, suspension device meter rises with concrete face, the driving lever that is positioned at the lever under underwater or mud face rigidly connecting with suspension device rises immediately, the balance that is arranged at the visual balanced lever in aperture is broken, balancing pole angle changes rapidly or shake-up pointer shows or touch buzzer switch starts Acoustic control alarm, show that concrete face has arrived the reservation degree of depth.
The following advantage of underwater concrete pouring elevation control device in the present invention:
If do not connect acoustic control or light-operated or acousto-optic interlink warning device, main device is without electricity consumption, energy conservation;
This device is applied widely, no matter be castinplace pile or diaphragm wall, so long as water concrete under water, all can use this device;
Because driving lever length is adjustable, device is built the situation of face in any degree of depth (absolute altitude) applicable to concrete;
The material that device is used is not subject to the impact on construction adverse weather such as sleet;
The material price that producing device is used is cheap, and device strong adaptability, can almost can not limit number of times to use;
Device mounting method is easy, and labour intensity is low, and does not affect any operation of normal construction, only need before concrete is built, be placed in that need build can relieved building on the reserved pilot hole in the conduit chuck side in a hole or latch.
Device using method is easy, and any common constructor trains all a little can easily grasp using method, and during use, without any labour intensity, easy device only need be observed;
This device can with acoustic control or the interlock of light-operated or acousto-optic interlink warning device, use lighter;
Use this device can stop concrete and owe to water phenomenon, the excessively super phenomenon of filling with in the time of also well controlling concrete and build, not only reduces engineering cost, has also significantly promoted the quality of execution control level and concrete pouring construction product.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Accompanying drawing 1 is underwater concrete pouring elevation control device schematic diagram of the present invention;
Accompanying drawing 2 is suspension utensil patterns 2 of apparatus of the present invention;
Accompanying drawing 3 is suspension utensil patterns 3 of apparatus of the present invention;
Accompanying drawing 4 is apparatus of the present invention horizontal cross bar structure and installation drawing in place;
Accompanying drawing 5 is that apparatus of the present invention horizontal cross bar is overlooked and lateral view;
Accompanying drawing 6 is apparatus of the present invention rigging position schematic diagrames.
The specific embodiment
Shown in root Ju Fig. 1-Fig. 6, underwater concrete pouring elevation control device of the present invention comprises: assembling and positioning latch with locking mechanism 10 through the assembling of inlaying insulating rigid snap ring in reserved on lever horizontal cross bar 7 to wearing circular hole 19, one of assembling and positioning latch 10 with locking mechanism arranges locking latch 15, and assembling and positioning latch 10 other ends with locking mechanism and the set bolt 14 of assembling device are connected; Upper adjusting rod 6(or the upper fixed ruler bar of lever horizontal cross bar 7 one end and driving lever) be connected, adjusting rod 6(or upper fixed ruler bar on driving lever) be directly connected with scale bar 4 under driving lever, under driving lever, scale bar 4 is rigidly connected with suspension utensil 1 bottom, can adopt bolt or rivet be fixedly connected with at suspension utensil 1 upper end jewel hole, adjusting rod 6(or upper fixed ruler bar on the public silk of scale bar 4 other end bands or interior sieve and driving lever under driving lever) interior sieve or supporting the interconnecting of public silk of lower end.Adjusting rod 6(or upper connecting-rods with constant lengh on driving lever) there are two bars, wherein one end have one can be with locking mechanism with lever horizontal cross bar 7 use the collar of the hinged inner wall smooth of lever connecting bolt 9, on driving lever another root one end of adjusting rod 6 have can with supporting public silk or interior sieve being connected of lower scale bar 4, lever horizontal cross bar 7 other ends are connected with lever counterweight bracket 8, set bolt 14 other ends of assembling device are connected with operating platform 13, 12 1 of balanced pointers are connected on lever horizontal cross bar 7, other end is unsettled or rest on the acousto-optic warning device contact utmost point 20, the acousto-optic warning device contact utmost point 20 other ends are connected with operating platform 13, on operating platform 13, be carved with balance indication indentation 16.
Extension bar 5 in the middle of the Long degree that can root Ju between adjusting rod 6 on scale bar 4 and driving lever under driving lever need want adds, its connected mode is the same with 6 connected modes of adjusting rod on driving lever with scale bar 4 under driving lever.
Underwater concrete pouring elevation control device using method is as follows:
Method one is:
1 completes pore-forming (groove) operation, and has placed stake aperture, hole (groove section) the placement operating platform 13 of reinforcing cage (reinforced mesh), before operating platform is in place, should install set bolt 14, sets balance indication indentation 16.
2 according to the elevation difference h1 of the indentation 16 on the stake top mark high (wall top mark is high) of designing requirement and aperture operating platform 13, considers the length L of other factors calculation element driving lever 17, during calculating, still should consider the super filling height h2 of code requirement, consider suspension device effective height h3, consider the height h4 that after building the ultra-high concrete existing in last conduit all pours in a hole (diaphragm wall), concrete face raises, the inside and outside discrepancy in elevation of conduit inner concrete is larger on the impact of Small Diameter Pile, and this discrepancy in elevation and final stage conduit are imbedded the degree of depth of concrete face, the construction custom of each concrete construction teams and groups, the slump of concrete itself, stake top (wall top) design buried depth, pore-forming technique, sediment thickness, concentration of hydraulic mixture is all relevant, need to when each projects test pile, measure this discrepancy in elevation, during engineering pile, in strict accordance with test pile parameter, construct, guarantee that the same stake of single project type h4 is basically identical.Driving lever length L is calculated by following formula L=h1-h2-h3+h4, is accurate to cm.According to calculated length L, lower scale bar 4, middle extension bar 5, upper adjusting rod 6 with suspension device are reliably joined together to form to driving lever, integer rice deducts the length of 1 meter and is combined by lower scale bar 4 and middle extension bar 5, and remaining length is combined by two bars of upper adjusting rod 6.Also upper adjusting rod 6 can be made to cut lengths simply, during practical application, according to calculated length L, deduct the length of lower scale bar 4 and upper fixed ruler bar 6, the middle extension bar 5 that needs well length directly, then by bolt or sleeve or other form, firmly connect to form driving lever with upper and lower scale bar.Before assembling, each ingredient should be weighed or calculated weight, gather the weight G1 that forms driving lever.
3 are well fixed in lever horizontal cross bar 7 by balanced pointers 12 by precalculated position hangs the upside of one end of counterweight bracket 8.
4 are firmly connected assembling and positioning latch 10 with locking mechanism with the set bolt 14 of assembling device on operating platform 13, then by lever horizontal cross bar 7 by quartile position reserved assembling circular hole 18 overlap to assembling and positioning latch 10, and be plugged the device locking latch 15 that prevents the 7 unexpected landings of lever horizontal cross bar.In assembling and positioning latch 10 outsides, assembling circular hole 18, all should smear sliding agent or lubrication oil.
5 are transferring device driving lever 17 suspension devices of assembling complete band suspension utensil 1 to intending building in the stake hole (in groove section) of concrete, by lever connecting bolt 9, through adjusting rod 6 upper ends on device driving lever 17 and the lever horizontal cross bar 7 that has been connected to operating platform 13 sides, be unkitted the reserved assembling circular hole in one end of pointer, device driving lever 17 and lever horizontal cross bar 7 are linked together, now, under the weight G1 effect of device driving lever 17, lever horizontal cross bar 7 has one end of balanced pointers 12 vertically to point into the sky.For bascule is put into the buoyancy of mud, should according to the volume of suspension utensil and mud balance, calculate this weight G2 in advance, counterweight dog-house 2 reserved on by suspension utensil drops into the fine grained counterweight material of equivalent, and good seal, and counterweight material is generally used dry sand; In order to feed intake smoothly, before feeding intake, the air-vent 3 with sealing shroud on suspension utensil 1 should be opened, after having fed intake, reseal.Inventory should exceed calculated weight G2 slightly, so that after device installation in position, balanced pointers 12 is a less acute angle counterclockwise with balance indication indentation 16, balanced pointers 12 upwarps slightly; Sliding agent or lubrication oil all should be smeared in latch outside and circular hole inner side.
6 according to the weight G1 of device driving lever 17 1/3 and deduct the slip-off preventing balancing weight 11 of selecting approrpiate wts after the weight of lever counterweight bracket 8, by lever connecting bolt 9, through lever counterweight bracket 8 upper ends and the lever horizontal cross bar 7 that assemble balancing weight 11, filled the reserved assembling circular hole in pointer one end, whole device is linked together, now the balanced pointers 12 of lever horizontal cross bar 7 overlaps with balance indication indentation 16 substantially due to both sides equalising torque, and lever is in equilibrium state; Sliding agent or lubrication oil all should be smeared in latch outside and circular hole inner side.
7 start in hole (in groove section) builds concrete from bottom to top, and section by section, pulls out the conduit of building concrete, and the lever horizontal cross bar 7 of this timer can normally rise and fall up and down with casting process.
When the 8 concrete faces that (in groove section) builds in hole progressively arrive suspension utensil 1 bottom residing absolute altitude, because concrete and mud balance differ greatly, the suspension utensil 1 that originally can be suspended in mud moves up owing to being subject to the jacking of concrete face, on driving device driving lever 17, move, this timer lever balance is broken, balanced pointers 12 be take assembling and positioning latch 10 and is rotated clockwise as the center of circle, while being an angle form and the lasting increase of angle with balance indication indentation 16, now should stop pouring into concrete, on pull out conduit concrete in conduit all poured out, concrete face can reach the absolute altitude of designing requirement.Now can be according to the step provision for disengagement contrary with assembling.
9 when being applied to be less than 800mm stake hole and building, and because gap between reinforcing cage and conduit is less, device is easily blocked by reinforcing cage and conduit sometimes, if lever system is motionless while normally building, or pointer and indentation angle have differently, all should shake conduit, make the package unit can be freely movable.
Method two is:
1, complete pore-forming (groove) operation, and operating platform 13 is placed in the stake aperture, hole (groove section) that has placed reinforcing cage (reinforced mesh), before operating platform is in place, should install set bolt 14, set balance indication indentation 16, and burn-on sound or the light warning device contact utmost point 20.
2,, according to the elevation difference h1 of the indentation 16 on the stake top mark high (wall top mark is high) of designing requirement and aperture operating platform 13, consider the length L of other factors calculation element driving lever 17, during calculating, still should consider the super filling height h2 of code requirement, consider suspension device effective height h3, consider the height h4 that after building the ultra-high concrete existing in last conduit all pours in a hole (diaphragm wall), concrete face raises, the inside and outside discrepancy in elevation of conduit inner concrete is larger on the impact of Small Diameter Pile, and this discrepancy in elevation and final stage conduit are imbedded the degree of depth of concrete face, the construction custom of each concrete construction teams and groups, the slump of concrete itself, stake top (wall top) design buried depth, pore-forming technique, sediment thickness, concentration of hydraulic mixture is all relevant, need to when each projects test pile, measure this discrepancy in elevation, during engineering pile, in strict accordance with test pile parameter, construct, guarantee that the same stake of single project type h4 is basically identical.Driving lever length L is calculated by following formula L=h1-h2-h3+h4, is accurate to cm.According to calculated length L, lower scale bar 4, middle extension bar 5, upper adjusting rod 6 with suspension device are reliably joined together to form to driving lever, integer rice deducts the length of 1 meter and is combined by lower scale bar 4 and middle extension bar 5, and remaining length is combined by two bars of upper adjusting rod 6.Also upper adjusting rod 6 can be made to cut lengths simply, during practical application, according to calculated length L, deduct the length of lower scale bar 4 and upper fixed ruler bar 6, the middle extension bar 5 that needs well length directly, then by bolt or sleeve or other form, firmly connect to form driving lever with upper and lower scale bar.Before assembling, each ingredient should be weighed or calculated weight, gather the weight G1 that forms driving lever.
3, balanced pointers 12 is well fixed in to lever horizontal cross bar 7 by precalculated position and hangs the upside of one end of counterweight bracket 8.
4, the one-level of low pressure sound or visual alarm or acousto-optic interlink warning device is well being connected near near pilot hole with lever horizontal cross bar 7 with thin wire, another utmost point is connected closely with the acousto-optic warning device contact utmost point 20 with thin wire.
5, assembling and positioning latch 10 with locking mechanism is firmly connected with the set bolt 14 of assembling device on operating platform 13, then lever horizontal cross bar 7 is overlapped to assembling and positioning latch 10 wearing circular hole 19 by inlaying the assembling of insulating rigid snap ring in having reserved in quartile position, and be plugged the device locking latch 15 that prevents the 7 unexpected landings of lever horizontal cross bar.In latch 10 outsides, assembling circular hole 19, all should smear sliding agent or lubrication oil.
6, device driving lever 17 suspension devices of assembling complete band suspension utensil 1 are being transferred to intending building in the stake hole (in groove section) of concrete, by lever connecting bolt 9, through adjusting rod 6 upper ends on device driving lever 17 and the lever horizontal cross bar 7 that has been connected to operating platform 13 sides, be unkitted the reserved assembling circular hole in one end of pointer, device driving lever 17 and lever horizontal cross bar 7 are linked together, now, under the weight G1 effect of device driving lever 17, lever horizontal cross bar 7 has one end of balanced pointers 12 vertically to point into the sky.For bascule is put into the buoyancy of mud, should according to the volume of suspension utensil and mud balance, calculate this weight G2 in advance, counterweight dog-house 2 reserved on by suspension utensil drops into the fine grained counterweight material of equivalent, and good seal, and counterweight material is generally used dry sand; In order to feed intake smoothly, before feeding intake, the air-vent 3 with sealing shroud on suspension utensil 1 should be opened, after having fed intake, reseal.Inventory should exceed calculated weight G2 slightly, so that after device installation in position, balanced pointers 12 is a less acute angle counterclockwise with balance indication indentation 16, balanced pointers 12 upwarps slightly; Sliding agent or lubrication oil all should be smeared in latch outside and circular hole inner side.
7, according to the weight G1 of device driving lever 17 1/3 and deduct the slip-off preventing balancing weight 11 of selecting approrpiate wts after the weight of lever counterweight bracket 8, by lever connecting bolt 9, through lever counterweight bracket 8 upper ends and the lever horizontal cross bar 7 that assemble balancing weight 11, filled the reserved assembling circular hole in pointer one end, whole device is linked together, now the balanced pointers 12 of lever horizontal cross bar 7 overlaps with balance indication indentation 16 substantially due to both sides equalising torque, and lever is in equilibrium state; Sliding agent or lubrication oil all should be smeared in latch outside and circular hole inner side.
8, start in hole (in groove section) and build concrete from bottom to top, and section by section, pull out the conduit of building concrete, the lever horizontal cross bar 7 of this timer can normally rise and fall up and down with casting process.
9, when the concrete face that (in groove section) builds in hole progressively arrives suspension utensil 1 bottom residing absolute altitude, because concrete and mud balance differ greatly, the suspension utensil 1 that originally can be suspended in mud moves up owing to being subject to the jacking of concrete face, on driving device driving lever 17, move, this timer lever balance is broken, balanced pointers 12 be take assembling and positioning latch 10 and is rotated clockwise as the center of circle, be an acute angle form and the lasting increase of angle with balance indication indentation 16, when going to while contacting the utmost point 20 contact with acousto-optic warning device, trigger sound or light warning or acousto-optic linkage alarm device, now should stop pouring into concrete, on pull out conduit concrete in conduit all poured out, concrete face can reach the absolute altitude of designing requirement.Now can be according to the step provision for disengagement contrary with assembling.
10,, when being applied to be less than 800mm stake hole and building, because gap between reinforcing cage and conduit is less, device is easily blocked by reinforcing cage and conduit sometimes, if lever system is motionless while normally building, or pointer and indentation angle have differently, all should shake conduit, make the package unit can be freely movable.

Claims (2)

1. a underwater concrete pouring elevation control device using method: it is characterized in that: its step is as follows:
1. a kind of underwater concrete pouring elevation control device, comprise: assembling and positioning latch (10) with locking mechanism through lever horizontal cross bar (7) upper reserved in inlay insulating rigid snap ring assembling to wearing circular hole (19), one of assembling and positioning latch (10) with locking mechanism arranges locking latch (15), and assembling and positioning latch (10) other end with locking mechanism and the set bolt (14) of assembling device are connected, lever horizontal cross bar (7) one end is connected with the upper adjusting rod (6) of driving lever, adjusting rod on driving lever (6) is directly connected with scale bar (4) under driving lever, under driving lever, scale bar (4) is rigidly connected with suspension utensil (1) bottom, at suspension utensil (1) upper end jewel hole, adopt bolt or rivet to be fixedly connected with, interior sieve of adjusting rod (6) lower end or supporting the interconnecting of public silk on the public silk of scale bar (4) other end band or interior sieve and driving lever under driving lever, adjusting rod on driving lever (6) has two bars, wherein one end have one can with the collar of lever horizontal cross bar (7) with the hinged inner wall smooth of lever connecting bolt (9) with locking mechanism, another root one end of adjusting rod on driving lever (6) have can with supporting public silk or interior sieve being connected of lower scale bar (4), lever horizontal cross bar (7) other end is connected with lever counterweight bracket (8), the set bolt of assembling device (14) other end is connected with operating platform (13), (12) one of balanced pointers are connected on lever horizontal cross bar (7), other end is unsettled or rest on the acousto-optic warning device contact utmost point (20), the acousto-optic warning device contact utmost point (20) other end is connected with operating platform (13), is carved with balance indication indentation (16) on operating platform (13), extension bar (5) in the middle of the Long degree that can root Ju between adjusting rod (6) on scale bar (4) and driving lever under driving lever need want adds, its connected mode is the same with adjusting rod on driving lever (6) connected mode with scale bar (4) under driving lever, on described suspension utensil (1), be provided with the counterweight dog-house (2) with sealing shroud, sealing shroud is rubber jacket formula, cork or rubber stopper formula or plastics knob, also be provided with the air-vent (3) with sealing shroud, suspension utensil (1) is to establish with the counterweight dog-house (2) of sealing shroud with hard thin-wall and the band cavity substance of the air-vent (3) of sealing shroud, or not with the counterweight dog-house (2) of sealing shroud and not with the air-vent (3) of sealing shroud can be airtight hard thin-wall band cavity substance, suspension utensil (1) material is not limit, diameter is not less than 5cm, suspension utensil (1) is spherical, cylindrical, cone cylinder body shape, or flat hemispherical,
2. complete pore-forming or groove operation, and placing stake hole or the groove sector hole mouth placement operating platform (13) of reinforcing cage or reinforced mesh, before operating platform is in place, should install set bolt (14), setting balance indication indentation (16);
3. according to the elevation difference h1 of the indentation (16) on the high and aperture operating platform (13) of stake top mark of designing requirement, consider the length L of other factors calculation element driving lever;
4. balanced pointers (12) is well fixed in to the upside that lever horizontal cross bar (7) is hung one end of counterweight bracket (8) by precalculated position;
5. assembling and positioning latch (10) with locking mechanism is firmly connected with the set bolt (14) of assembling device on operating platform (13), then by lever horizontal cross bar (7) by quartile position reserved assembling circular hole (18) overlap to assembling and positioning latch (10), and be plugged the device locking latch (15) that prevents the unexpected landing of lever horizontal cross bar (7), in assembling and positioning latch (10) outside, assembling circular hole (18), all should smear sliding agent or lubrication oil;
6. device driving lever (17) the suspension utensil (1) of assembling complete band suspension utensil (1) is transferred again to intending building in the stake hole of concrete, by lever connecting bolt (9), through adjusting rod (6) upper end on device driving lever and the lever horizontal cross bar (7) that has been connected to operating platform (13) side, be unkitted the reserved assembling circular hole in one end of pointer, to install driving lever and lever horizontal cross bar (7) links together, now under the weight G1 effect of device driving lever, lever horizontal cross bar (7) has one end of balanced pointers (12) vertically to point into the sky, for bascule is put into the buoyancy of mud, should according to the volume of suspension utensil and mud balance, calculate this weight G2 in advance, by counterweight dog-house (2) reserved on suspension utensil, drop into again the fine grained counterweight material of equivalent, and good seal, counterweight material dry sand, in order to feed intake smoothly, before feeding intake, the air-vent with sealing shroud on suspension utensil (1) (3) should be opened, after having fed intake, reseal, inventory should exceed calculated weight G2 slightly, so that after device installation in position, balanced pointers (12) is a less acute angle counterclockwise with balance indication indentation (16), and balanced pointers (12) upwarps slightly, sliding agent or lubrication oil all should be smeared in assembling and positioning latch (10) outside and assembling circular hole (18) inner side,
7. according to the weight G1 of device driving lever 1/3 and deduct the slip-off preventing balancing weight (11) of selecting approrpiate wts after the weight of lever counterweight bracket (8), by lever connecting bolt (9), through lever counterweight bracket (8) upper end and the lever horizontal cross bar (7) that assemble balancing weight (11), filled the reserved assembling circular hole in pointer one end, whole device is linked together, now the balanced pointers (12) of lever horizontal cross bar (7) overlaps with balance indication indentation (16) substantially due to both sides equalising torque, and lever is in equilibrium state; Sliding agent or lubrication oil all should be smeared in assembling and positioning latch (10) outside and assembling circular hole (18) inner side;
8. start to build concrete from bottom to top in hole, and section by section, pull out the conduit of building concrete, the lever horizontal cross bar (7) of this timer can normally rise and fall up and down with casting process;
When the concrete face of 9. building in hole progressively arrives the residing absolute altitude in suspension utensil (1) bottom, because concrete and mud balance differ greatly, the suspension utensil (1) that originally can be suspended in mud moves up owing to being subject to the jacking of concrete face, on driving device driving lever, move, this timer lever balance is broken, balanced pointers (12) be take assembling and positioning latch (10) and is rotated clockwise as the center of circle, while being an angle form and the lasting increase of angle with balance indication indentation (16), now should stop pouring into concrete, on pull out conduit concrete in conduit all poured out, concrete face can reach the absolute altitude of designing requirement, now can be according to the route steps provision for disengagement contrary with former assembling route,
10. when being applied to be less than 800mm stake hole and building, because gap between reinforcing cage and conduit is less, device is easily blocked by reinforcing cage and conduit sometimes, if lever system is motionless while normally building, or pointer and indentation angle have differently, all should shake conduit, make the package unit can be freely movable.
2. a kind of underwater concrete pouring elevation control device using method according to claim 1, it is characterized in that: during the length L of calculation element driving lever, still should consider the super filling height h2 of code requirement, consider suspension utensil (1) effective height h3, consider the height h4 that after building the ultra-high concrete existing in last conduit all pours in a hole, concrete face raises, the inside and outside discrepancy in elevation of conduit inner concrete is larger on the impact of Small Diameter Pile, and this discrepancy in elevation and final stage conduit are imbedded the degree of depth of concrete face, the construction custom of each concrete construction teams and groups, the slump of concrete itself, design of pile top buried depth, pore-forming technique, sediment thickness, concentration of hydraulic mixture is all relevant, need to when each projects test pile, measure this discrepancy in elevation, during engineering test pile, in strict accordance with test pile parameter, construct, guarantee that the same stake of single project type h4 is basically identical, driving lever length L is calculated by following formula L=h1-h2-h3+h4, be accurate to cm, according to calculated length L by the lower scale bar (4) with suspension device, middle extension bar (5), upper adjusting rod (6) is joined together to form driving lever, integer rice deducts the length of 1 meter and is combined by lower scale bar (4) and middle extension bar (5), remaining length is combined by two bars of upper adjusting rod (6), simply adjusting rod on driving lever (6) is made to cut lengths, during practical application according to the length of adjusting rod (6) on scale bar (4) under calculated length L deduction driving lever and driving lever, the middle extension bar (5) that needs well length directly, by bolt or sleeve or other form, firmly connect to form driving lever with upper and lower scale bar again, before assembling, each ingredient should be weighed or calculated weight, gather the weight G1 that forms driving lever.
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