CN201137057Y - Bridge subaqueous base floating type borehole platform - Google Patents
Bridge subaqueous base floating type borehole platform Download PDFInfo
- Publication number
- CN201137057Y CN201137057Y CNU2007203071184U CN200720307118U CN201137057Y CN 201137057 Y CN201137057 Y CN 201137057Y CN U2007203071184 U CNU2007203071184 U CN U2007203071184U CN 200720307118 U CN200720307118 U CN 200720307118U CN 201137057 Y CN201137057 Y CN 201137057Y
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Abstract
The utility model discloses a float drilling platform of a bridge in-water foundation, which comprises a floating pontoon and a flexible anchorage structure, the floating pontoon is equipped with a combined portal crane and a combined drilling platform, a thrust and suction drilling machine is mounted on the drilling platform, a vacant position is located on the float drilling platform, and a steel casing is inserted at the vacant position. Because the floating drilling platform and the steel casing are respectively in an independent system, the drilling quality is not affected by shaking of the platform, a limiting device at the upper end port of the steel casing guarantees high accuracy of drilling, the thrust and suction drilling machine is utilized, thereby being low in investment and light in weight without being affected by water rising and water falling, and is low in occupied area, the thrust and suction drilling machine doesn't generate horizontal torque to the floating drilling platform, enables quantity of the anchorage to be reduced, and is favorable for drilling accuracy, and the thrust and suction drilling machine is used on the floating platform, thereby being capable of overcoming shortages of unstable hole-bottom drilling pressure while using a rotating drill machine on the floating platform.
Description
Technical field
The utility model relates to a kind of bridge construction construction equipment, basic floating drilling platform in particularly a kind of bridge water.
Background technology
Along with developing rapidly of Chinese national economy, the industrial or agricultural construction is advanced by leaps and bounds, and transportation modernization needs the bridge of construction increasing.Foundation construction need be adopted the drilling platform structure in the large bridge water at present, but only be useful on the floating boring ship that geological prospecting or underwater demolition are removed obstacles up to now, its bore diameter is very little, usually less than tens centimetres, also really not can be used in the floating drilling platform of major diameter bridge engineering construction, can not be used for the boring of the above engineering piles of 1.5 rice diameters.So China is before this, the fixed drilling platform of the general employing of basic drilling construction in the large bridge water.
There is the shortcoming aspect following three in fixed drilling platform in construction: (1) difficulty of construction is big.Fixed drilling platform complex structure need be set up the positioning steel tube stake, and requires the positioning steel tube stake to be cemented under water in the bed body stabilized zone, and positioning steel tube stake top needs affixed with platform simultaneously.If in the profundal zone, then the drift of steel pipe pile is big, construction brings many unexpected difficulties to steel pipe pile, be difficult to insert and to throw under water in the stabilized zone, and for guaranteeing the stable attack with motive powers such as opposing current, stormy waves, morning and evening tides of fixed platform, still need set up the anchorage system fixed platform, its construction is loaded down with trivial details, difficulty is big, poor stability.Gantry crane is set on the fixed platform, changes with fluctuation in stage, the discrepancy in elevation of the platform end face and the water surface is a variable, so tiding can influence lifting operation when big.(2) fixed drilling platform, the construction period is long.When constructing in the profundal zone, for guaranteeing safety, need in the positioning steel tube stake, to irritate the sand ballast, to guarantee steel pipe pile stability, so it is longer to make up the construction period, time-consuming day.(3) fixed drilling platform cost height, expense is big.Fixed drilling platform need be provided with a large amount of positioning steel tube stakes, and distribution beam etc. also need be provided with interim supporting pile, various materials, the carrying assembling will spend a large amount of manpower and materials and financial resources, in case construction is finished, its dismounting handling workload is also very big, so the construction cost height.
Summary of the invention
It is low that the purpose of this utility model provides a kind of cost, basic floating drilling platform in the simple bridge water of constructing.
For achieving the above object, the utility model adopts following technical scheme: basic floating drilling platform in a kind of bridge water, the flexible anchorage structure that contains pontoon and location usefulness thereof, the composite assembly gantry crane is installed on the pontoon, the drilling platform of composite assembly is installed on pontoon, be equipped with on the drilling platform towards sucking drilling machine, the location is reserved with the room on the described floating drilling platform, and empty place is inserted and is equipped with the steel casing.
Described room has a plurality of, all insert in each room and be equipped with the steel casing, every steel casing root is inserted and is beaten in the severely-weathered rock stratum of embedding under water or under water in the good ground in riverbed, between each root steel casing top, be provided with rigid structures and connect system, being equipped with every steel casing upper port that rig carries is the stopping means of drill bit wire rope and dredging tube pump and heavy quarrel tube, carry is that drill bit wire rope stopping means is parallel to each other by two, rig center line symmetry is installed on the distribution beam of steel casing port and goes up the spacing assembly pulley of the wire rope that is provided with and form relatively, the pulley center position can be transposed by governor motion, and the distribution beam two ends tighten up by the bracket piece fastener that is fixed in steel casing external surface.
Described pontoon is the pontoon of two big displacement of the left and right symmetry that forms with the buoyancy tank assembling combination or the whole pontoon body of a hollow that connects and composes with buoyancy tank at pin-connected panel two pontoon front and back ends, or the flute profile pontoon body that is assembled into.
Described combined type gate-type loop wheel machine is assembled by universal rod body, gantry crane top is two-way cantilever construction, the top is equipped with the traveling crossbeam, traveling crossbeam two ends are equipped with travelling wheel and drive unit, the traveling overhead traveling crane is installed on the traveling crossbeam, traveling overhead traveling crane two ends are equipped with travelling wheel and drive unit, and the traveling crossbeam is vertical mutually with the direction of travel of traveling overhead traveling crane.
On described drilling platform, be equipped with and insert the guiding device of beating the steel casing, to this guiding device, vibro-pile driver is installed at steel casing top by the lifting of the gantry crane on buoyancy aid steel casing.
Described rig is a percussive drill, and drill bit is a drill hammer.
Because this floating drilling platform and steel casing become independent system separately, therefore platform rocks and does not influence drilling quality, the stopping means of steel casing upper port, guarantee the high accuracy of holing, employing is towards sucking drilling machine, small investment, in light weight, not risen by water and fall to influencing, area occupied is little, the floating drilling platform is not produced horizontal moment of torsion towards sucking drilling machine, anchorage quantity is reduced, very favourable to guaranteeing boring position, hole accuracy, and on floating platform, use percussive drill, can overcome and on floating platform, use rotary rig hole subdrilling to press unsettled defective.The floating drilling platform has been cancelled more positioning steel tube stake, distribution beam and supporting pile that fixed platform need be provided with, irritates series of processes such as sand ballast, compares with fixed drilling platform and saves investment greatly.Floating drilling platform pier interdigit is whole to be moved fast rapidly, and operation is few.Very time-consuming day of the fixedly installation of drilling platform, displacement, install, the dismantlement work amount is big, dismounting finishes, and to make up new drilling platform to new pier position very time-consuming, engineering progress is slow, and the floating drilling platform cuts and also reclaims the steel casing after boring is finished, it is in place that the available immediately tugboat of floating drilling platform is dragged to new pier position, conveniently moving is quick, shortens construction period greatly, reduces construction cost significantly.The floating drilling platform carries out integrated design with gantry crane and drilling platform and pontoon, and its overall stability is good, its flexible anchorage navigation system, and the location is accurately.Pontoon is combined by the standard buoyancy tank, gantry crane and floating drilling platform by reusable, assembly unit easily universal rod body assemble, assembling rapidly, high efficiency, the construction period is short.The floating drilling platform is particularly suitable for the depth of water big (depth of water greater than 30m time), the occasion that flow velocity and wind-force are little.During list pier drilled pile negligible amounts, more apparent superiority, it is little also can be applied to the depth of water, and the flow velocity wind speed is bigger, the foundation construction of the long bridge of large span.
Description of drawings
Fig. 1 is that schematic diagram is arranged in floating drilling platform plan structure and anchorage structural plan;
Fig. 2 is that two boom door type loop wheel machines of floating drilling platform and steel casing top rigidity connected system are faced structural representation;
Fig. 3 is the two boom door type loop wheel machine plan structure schematic diagrames of floating drilling platform;
Fig. 4 is the brill rope stopping means plane arrangement structure schematic diagram on steel casing top.
The specific embodiment
Shown in Fig. 1,2,3,4, the utility model comprises pontoon 1 that is positioned on the water surface 21 and the flexible anchorage structure of locating usefulness thereof, pontoon 1 is the pontoon of two big displacement of the left and right symmetry that forms with the buoyancy tank assembling combination, also can be the whole pontoon body of a hollow that connects and composes with buoyancy tank at pin-connected panel two pontoon front and back ends, or the flute profile pontoon body that is assembled into.Article two, by the lower transverse beam 10 of drilling platform 3, two boom door type loop wheel machines 2 it is linked to be an integral body between the pontoon 1.Composite assembly gantry crane 2 is installed on the pontoon 1, the drilling platform 3 of composite assembly is installed on pontoon 1, be equipped with towards sucking drilling machine 13 on the drilling platform 3.Combined type gate-type loop wheel machine 2 is assembled by universal rod body, gantry crane 2 tops are two-way cantilever construction, the top is equipped with traveling crossbeam 11, traveling crossbeam 11 two ends are equipped with travelling wheel and drive unit, traveling overhead traveling crane 12 is installed on the traveling crossbeam 11, traveling overhead traveling crane 12 two ends are equipped with travelling wheel and drive unit, and traveling crossbeam 11 is vertical mutually with the direction of travel of traveling overhead traveling crane 12.Floating drilling platform 3 transportation by drivings are to the pier position, and anchorage system positions the floating drilling platform from 8 directions.The step of casting anchor: utilize cast anchor ship and one of one of buoyancy tank assembly unit to cross anchor ship (not drawing among the figure) on the bank, on the ship that casts anchor, put anchor chain 5 and wire rope 6, the anchor chain 5 terminal anchors 4 that connect, the ship that will cast anchor links together with mistake anchor ship temporarily, with towboat floating drilling platform 3 is hauled to the pier position and to locate, 8 wire rope 6 crossing direct bearing on the anchor ship are tied up to respectively on the corresponding kingpost 7 of pontoon by design, utilize the 9 pairs of pontoons of folding and unfolding anchor system on the pontoon to position, make that floating drilling platform position deviation is not more than 2 centimetres in the present embodiment.The location is reserved with four rooms 20 on the floating drilling platform 3, and vibro-pile driver is installed at steel casing 17 tops, all inserts at each 20 place, room and beats steel casing 17.Every steel casing 17 root are inserted and are beaten in the severely-weathered rock stratum of embedding under water or under water in the good ground 22 in riverbed, being provided with the rigid structures connection between each root steel casing 17 top is 8, being equipped with every steel casing 17 upper port that rig carries is the stopping means 16 of drill bit wire rope 14 and dredging tube pump and heavy quarrel tube, carry is that drill bit wire rope stopping means is parallel to each other by two, rig center line symmetry is installed on the distribution beam of steel casing 17 ports and goes up the spacing assembly pulley of the wire rope that is provided with and form relatively, the pulley center position can be transposed by governor motion, and distribution beam 19 two ends tighten up by bracket piece 18 fastener that are fixed in steel casing external surface.
Shown in Fig. 2,3,4, insert and beat the steel casing: after floating drilling platform 3 is accurately located, insert and play 17 constructions of steel casing.Leading truck is installed at a stake place on drilling platform 3, will insert 4 steel casings 17 beating and put into leading truck, and it is in place that steel casing 17 is beaten in the 17 top installation vibratory pile driving machine transplanting of rice of steel casing.After 4 steel casings 17 all were in place, being rigidly connected of assembly unit steel casing 17 tops was 8 to make it to form the steel casing and stablize overall structure.Then leading truck is removed, floating drilling platform 3 and steel casing 17 are broken away from mutually, and have stabilising system of one's own.
Select for use towards sucking drilling machine 13 borings, pump is inhaled the job practices that quarrel is got in anti-circulation: the diagonal angle is arranged 2 towards sucking drilling machine 13 borings on drilling platform 3, every percussive drill 13 carries hoist engine, and it is that steel wire penetrating is installed on the stopping means 16 of steel casing top ports that drill hammer 15 is carried by wire rope 14.Stopping means 16 is installed in and is fixed in the steel casing and is at loggerheads on the distribution beam 19 on the leg piece 18.Be installed on the drilling platform 3 towards sucking drilling machine 13, require base steadily, level, drilling cramp and drilling platform 3 roof pendants are straight, and the gin wheel groove, boring, a stake center that keep rig 13 tops are greatly on a plumb line.The lower surface carcass of drill hammer 15 is fixed with the impact sword, and impacting sword length is 7～10 centimetres.The impact sword quantity that diameter is 1.5 meters is 30～32, and the impact sword quantity that diameter is 2.2 meters is 54～62.After the drill bit 15 align piles positions, transfer the deslagging pipe along drill bit 15 centre bores, should keep suitable distance at the bottom of deslagging pipe bottom and the hole, at the bottom of drill hammer 15 transferred to the hole, start the gravel pump deslagging, and the beginning percussive drilling, along with impact grinding rock and boring are deepened, in time loosen to carry and be wire rope 14 and transfer the deslagging pipe.
After boring reaches design elevation, carry out hole clearly, steel pipe pile (if there is) and reinforcing cage, fluid concrete pile are installed in qualified back.
Claims (6)
1, basic floating drilling platform in a kind of bridge water, the flexible anchorage structure that contains pontoon and location usefulness thereof, the composite assembly gantry crane is installed on the pontoon, the drilling platform of composite assembly is installed on pontoon, be equipped with on the drilling platform towards sucking drilling machine, it is characterized in that: the location is reserved with the room on the described floating drilling platform, and empty place is inserted and is equipped with the steel casing.
2, basic floating drilling platform in the bridge water as claimed in claim 1, it is characterized in that: described room has a plurality of, all insert in each room and be equipped with the steel casing, every steel casing root is inserted and is beaten in the severely-weathered rock stratum of embedding under water or under water in the good ground in riverbed, between each root steel casing top, be provided with rigid structures and connect system, being equipped with every steel casing upper port that rig carries is the stopping means of drill bit wire rope and dredging tube pump and heavy quarrel tube, carry is that drill bit wire rope stopping means is parallel to each other by two, rig center line symmetry is installed on the distribution beam of steel casing port and goes up the spacing assembly pulley of the wire rope that is provided with and form relatively, the pulley center position can be transposed by governor motion, and the distribution beam two ends tighten up by the bracket piece fastener that is fixed in steel casing external surface.
3, basic floating drilling platform in the bridge water as claimed in claim 1 or 2, it is characterized in that: described pontoon is the pontoon of two big displacement of the left and right symmetry that forms with the buoyancy tank assembling combination or the whole pontoon body of a hollow that connects and composes with buoyancy tank at pin-connected panel two pontoon front and back ends, or the flute profile pontoon body that is assembled into.
4, basic floating drilling platform in the bridge water as claimed in claim 3, it is characterized in that: described combined type gate-type loop wheel machine is assembled by universal rod body, gantry crane top is two-way cantilever construction, the top is equipped with the traveling crossbeam, traveling crossbeam two ends are equipped with travelling wheel and drive unit, the traveling overhead traveling crane is installed on the traveling crossbeam, and traveling overhead traveling crane two ends are equipped with travelling wheel and drive unit, and the traveling crossbeam is vertical mutually with the direction of travel of traveling overhead traveling crane.
5, basic floating drilling platform in the bridge water as claimed in claim 4, it is characterized in that: on described drilling platform, be equipped with and insert the guiding device of beating the steel casing, to this guiding device, vibro-pile driver is installed by the lifting of the gantry crane on buoyancy aid steel casing at steel casing top.
6, basic floating drilling platform in the bridge water as claimed in claim 5, it is characterized in that: described rig is a percussive drill, drill bit is a drill hammer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203071184U CN201137057Y (en) | 2007-12-19 | 2007-12-19 | Bridge subaqueous base floating type borehole platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203071184U CN201137057Y (en) | 2007-12-19 | 2007-12-19 | Bridge subaqueous base floating type borehole platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201137057Y true CN201137057Y (en) | 2008-10-22 |
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ID=40037743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203071184U Expired - Lifetime CN201137057Y (en) | 2007-12-19 | 2007-12-19 | Bridge subaqueous base floating type borehole platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201137057Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116017A (en) * | 2011-01-04 | 2011-07-06 | 广西电力工业勘察设计研究院 | Foam platform for drilling on waterways |
| CN102828496A (en) * | 2012-08-23 | 2012-12-19 | 中交第二航务工程局有限公司 | Tool type pile foundation drilling platform based on HSE (Health, Safety and Environmental) management system |
| CN103741657A (en) * | 2013-12-27 | 2014-04-23 | 中铁大桥局集团第一工程有限公司 | Construction method of large multifunctional over-water construction platform |
| CN104266041A (en) * | 2014-09-25 | 2015-01-07 | 江南工业集团有限公司 | Underwater bottom fixing device |
| CN105088964A (en) * | 2015-09-09 | 2015-11-25 | 中国铁建大桥工程局集团有限公司 | Movable construction platform for bridge foundation building |
| CN106801430A (en) * | 2017-03-17 | 2017-06-06 | 王燏斌 | A kind of workboat and its construction method for foundation in water |
| CN109838211A (en) * | 2019-04-03 | 2019-06-04 | 华北水利水电大学 | A kind of underwater pile drilling operation platform |
| CN111706257A (en) * | 2020-03-31 | 2020-09-25 | 中铁大桥局集团第二工程有限公司 | Underwater rock drilling and blasting guide frame device and construction method thereof |
| CN116043834A (en) * | 2022-12-14 | 2023-05-02 | 保利长大工程有限公司 | Bare rock pile foundation construction technology based on integrated construction floating platform |
| CN116289959A (en) * | 2022-12-13 | 2023-06-23 | 保利长大工程有限公司 | Floating lifting and lowering method and device for water pile foundation construction |
-
2007
- 2007-12-19 CN CNU2007203071184U patent/CN201137057Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116017A (en) * | 2011-01-04 | 2011-07-06 | 广西电力工业勘察设计研究院 | Foam platform for drilling on waterways |
| CN102116017B (en) * | 2011-01-04 | 2012-08-15 | 广西电力工业勘察设计研究院 | Foam platform for drilling on waterways |
| CN102828496A (en) * | 2012-08-23 | 2012-12-19 | 中交第二航务工程局有限公司 | Tool type pile foundation drilling platform based on HSE (Health, Safety and Environmental) management system |
| CN103741657A (en) * | 2013-12-27 | 2014-04-23 | 中铁大桥局集团第一工程有限公司 | Construction method of large multifunctional over-water construction platform |
| CN104266041A (en) * | 2014-09-25 | 2015-01-07 | 江南工业集团有限公司 | Underwater bottom fixing device |
| CN104266041B (en) * | 2014-09-25 | 2023-04-18 | 江南工业集团有限公司 | Underwater bottom-sinking fixing device |
| CN105088964A (en) * | 2015-09-09 | 2015-11-25 | 中国铁建大桥工程局集团有限公司 | Movable construction platform for bridge foundation building |
| CN106801430A (en) * | 2017-03-17 | 2017-06-06 | 王燏斌 | A kind of workboat and its construction method for foundation in water |
| CN109838211A (en) * | 2019-04-03 | 2019-06-04 | 华北水利水电大学 | A kind of underwater pile drilling operation platform |
| CN111706257A (en) * | 2020-03-31 | 2020-09-25 | 中铁大桥局集团第二工程有限公司 | Underwater rock drilling and blasting guide frame device and construction method thereof |
| CN116289959A (en) * | 2022-12-13 | 2023-06-23 | 保利长大工程有限公司 | Floating lifting and lowering method and device for water pile foundation construction |
| CN116043834A (en) * | 2022-12-14 | 2023-05-02 | 保利长大工程有限公司 | Bare rock pile foundation construction technology based on integrated construction floating platform |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081022 |
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| CX01 | Expiry of patent term |