CN102226342B - Multi-functional piling machine for jet grouting pile-sinking - Google Patents
Multi-functional piling machine for jet grouting pile-sinking Download PDFInfo
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- CN102226342B CN102226342B CN 201110095388 CN201110095388A CN102226342B CN 102226342 B CN102226342 B CN 102226342B CN 201110095388 CN201110095388 CN 201110095388 CN 201110095388 A CN201110095388 A CN 201110095388A CN 102226342 B CN102226342 B CN 102226342B
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Abstract
The invention belongs to the field of foundation engineering construction equipment, and in particular relates to a multi-functional piling machine for jet grouting pile-sinking. The multi-functional piling machine for jet grouting pile-sinking comprises a chassis, an operating room, a hydraulic workstation, a rotating column and winches, wherein a jet-grouting drilling rig and a hydraulic hammerare respectively hanged on a main winch and a second winch, the rotating column is provided with two longitudinal slipways (a 90-drgree horizontal angle is formed between the two longitudinal slipways), and the jet-grouting drilling rig and the hydraulic hammer are respectively arranged in the two longitudinal slipways. By using the multi-functional piling machine provided by the invention, a cement-soil pile and a high-strength prestressed pipe pile construction machine are integrated, after the construction on a peripheral cement-soil pile is completed, the piling machine is immovable, then the construction on a high-strength prestressed pipe pile can be performed just by carrying out 90-degree in-situ rotation on the rotating column, thereby not only ensuring the coincidence of the centers of the high-strength prestressed pipe pile (PHC) and the peripheral cement-soil pile, but also greatly shortening the in-place time for pile hoisting; and meanwhile, the vertical precision of the pressed high-strength prestressed pipe pile can be improved.
Description
Technical field
The present invention relates to a kind of Multifunctional pilling machine for jet grouting pile sinking, belong to the basic engineering construction apparatus field.
Background technology
China's southeastern coast and the river flat area wide Deep Thick Soft Ground that distributing, hardpan buries darker, and weak soil substantially is soft moulding～stream and moulds state, and low bearing capacity, compressibilty are high.If building foundation adopts the flexible piles such as cement earth pile in this formation condition, there is collateral resistance greatly and the low weakness of self intensity; If adopt the rigid pile such as castinplace pile and preformed pile, then there is self intensity height and the low weakness of collateral resistance all can cause the problems such as low bearing capacity, waste of material and environment pollution.Therefore one-side application flexibility stake and rigid pile all can't satisfy the geologic requirements in above-mentioned area.For this geology, must adopt Novel composite pile-tubular pile cement composite foundation pile that collateral resistance is high, pile shaft material intensity is high.
The construction technology of tubular pile cement composite foundation pile need be carried out in two steps at present:
The first step adopts long-spiral drilling machine and high-pressure high-flow mud pump system and special drilling tool, the peripheral cement earth pile of constructing.The Specific construction technological process is as follows: (1) long-spiral drilling machine is in place, and the preparation cement paste also starts slush pump; (2) drilling to completion under the long-spiral drilling machine, lower brill carries out high-pressure rotary-spray and deep-layer stirring synchronously; (3) carry on the long-spiral drilling machine drilling tool, carry on the drilling tool and carry out synchronously high-pressure rotary-spray and deep-layer stirring; (4) close high pressure slurry pump, long-spiral drilling machine is displaced to next position.
Second step, the Static pressure pile driver of employing rated pressure 680t carries out the high-strength Prestressed Pipe Pile construction.The Specific construction technological process is as follows: (1) Static pressure pile driver is in place; (2) it is in place to hang high-strength Prestressed Pipe Pile (PHC); (3) piling.
Because employed stake machine function singleness in the at present construction work, single machine can only be implemented a kind of piling work, when therefore relating to above two kinds of technique, must be by the supporting ability smooth construction of many stake machines, but existing stake machine can not concentrate on multiple piling mode in the machine and carry out, and the piling construction engineering usually is subjected to the restriction of engineering geology, construction environment.This is for improving efficiency of construction, reduce operating expenses, shortening construction period and particularly grasp high-strength Prestressed Pipe Pile to be pressed into opportunity be very disadvantageous.At present, although also there is multi-functional piling machine to come into operation, be a kind of Multifunctional piling machine of mentioning in the patent of CN 201020282554 such as the patent No., but just with multiple stake machine simple combination, there are a lot of problems during use, such as hoisted in position time on the long opportunity that is pressed into that causes high-strength Prestressed Pipe Pile can't grasp, that high-strength Prestressed Pipe Pile and the two center of peripheral cement earth pile do not overlap, are pressed into the vertical precision of high-strength Prestressed Pipe Pile is poor etc., these problems are directly restricting the supporting capacity of tubular pile cement composite foundation pile, but also do not have good solution so far.
Summary of the invention
According to above deficiency of the prior art, the technical problem to be solved in the present invention is: provide a kind of cement earth pile and high-strength Prestressed Pipe Pile construction machine are incorporated into one, are applicable to the Multifunctional pilling machine for jet grouting pile sinking of the novel structure of tubular pile cement composite foundation pile construction, can not only guarantee high-strength Prestressed Pipe Pile (PHC) and the two center superposition of peripheral cement earth pile, and significantly shorten and hang stake with regard to bit time, improve simultaneously the vertical precision that is pressed into the high-strength prestress pile tube.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Multifunctional pilling machine for jet grouting pile sinking, comprise the chassis, be arranged on the walking mechanism and the operating room that is arranged on the top, chassis of below, chassis, it is characterized in that: Rotary cloumn is installed on the chassis, hydraulic workstation and the main winch that drives by hydraulic workstation, the second hoist engine, auxiliary hoist engine, the luffing hoist engine, corresponding each hoist engine is installed respectively pulley at the Rotary cloumn top, main winch, the second hoist engine hangs jet drill rig and hydraulic hammer by hoisting rope respectively, horizontal sextant angle be set be 90 ° two end slipways on the Rotary cloumn, jet drill rig and hydraulic hammer lay respectively in two end slipways, and the jet drill rig bottom connects the churning drilling tool.
Described jet drill rig is the all-hydraulic power head jet drill rig, and its volume is little, lightweight.Volume is little, and its transverse projection has guaranteed the working space of hydraulic hammer less than the diameter of Rotary cloumn; Lightweight, be conducive to strengthen the stability of vertical rotation shaft and increase margin of safety.
The distance of the work centre of described jet drill rig and Rotary cloumn axis equals the work centre of hydraulic hammer and the distance of Rotary cloumn axis, thereby can guarantee high-strength Prestressed Pipe Pile (PHC) and the two center superposition of peripheral cement earth pile.
Angle is set is 180 ° two horizontal ear arms on the outer wall of described Rotary cloumn, corresponding horizontal ear arm arranges rotary hydraulic cylinder, and the cylinder body of rotary hydraulic cylinder is hinged on the chassis, and the piston rod of rotary hydraulic cylinder connects horizontal ear arm.Make Rotary cloumn carry out ± 90 ° of rotations by the control rotary hydraulic cylinder, be convenient to the churning cement earth pile, be pressed into the conversion of two kinds of techniques of high-strength prestress pile tube.
Two guiding pile chucks are installed in the bottom of described Rotary cloumn, two guiding pile chucks lay respectively at jet drill rig and hydraulic hammer under, thereby guarantee churning boring and be pressed into the vertical precision of high-strength prestress pile tube (PHC).
Walking mechanism has two kinds of preferred versions:
Scheme one: the all-hydraulic stepping mechanism of described walking mechanism;
Scheme two: described walking mechanism is crawler type walking mechanism.
Described churning drilling tool is device conventional or that can realize, and the preferred pin shaft type joint of its joint is conducive to guiding and sealing.Establish the slip casting passage in the churning drilling tool, the stock inlet of slip casting passage connects the high-pressure slip-casting system, the bottom of churning drilling tool be provided with to around spray the jet of slurry.Adopt the churning drilling tool directly to pierce ground, behind the lower drilling to completion, carry in the rotation behind the churning certain hour; Lower brill and on carry and all carry out synchronously high-pressure rotary-spray and deep-layer stirring in the process.The advantage of comprehensive high-pressure rotary-spray and two kinds of methods of deep-layer stirring, the diameter of constructing out is large, pile quality even, the low cement earth pile that returns the slurry amount.
By jet drill rig construct out major diameter, pile quality evenly, low return the cement earth pile of slurry amount after, with the Rotary cloumn half-twist, it is in place directly to hang high-strength Prestressed Pipe Pile (PHC).Then the primer fluid hammer before the cement-soil initial set, is pressed into the high-strength Prestressed Pipe Pile (PHC) of size coupling in the cement earth pile center, forms tubular pile cement composite foundation pile.The tubular pile cement composite foundation pile that adopts the construction of this Multifunctional piling machine to form, can give full play to cement earth pile and high-strength Prestressed Pipe Pile (PHC) performance advantage separately, large and high-strength Prestressed Pipe Pile (PHC) pile strength high two large characteristics of cement earth pile stake week collateral resistance particularly, make high-strength prestress pile tube and cement earth pile shared upper load, and guarantee high-strength Prestressed Pipe Pile (PHC) and the two center superposition of peripheral cement earth pile, shorten and hang stake (PHC) with regard to bit time, and control piling (PHC) vertical precision.
The duty of this Multifunctional pilling machine for jet grouting pile sinking is as follows: handle walking mechanism and make a machine arrive the construction stake position, hydraulic hammer is down to the Rotary cloumn bottom, and it is high-order to setting to start main winch lifting jet drill rig.Bore by under the operational procedure, lower brill carries out high-pressure rotary-spray and deep-layer stirring synchronously, and drilling to completion under the churning is pressed operational procedure behind this projected depth churning certain hour, make in the rotation of churning drilling tool and carry, carry on the churning drilling tool and carry out synchronously high-pressure rotary-spray and deep-layer stirring.After peripheral cement earth pile construction finishes, close the high-pressure slip-casting system.Manipulation is contained in two rotary hydraulic cylinders on the chassis, and the control Rotary cloumn is rotated counterclockwise 90 °, allows hydraulic hammer over against the stake position.Start the second hoist engine of hanging hydraulic hammer and promote hydraulic hammer to setting a high position, then start auxiliary hoist engine, by the guiding pile chuck that is arranged on the vertical rotation shaft that high-strength Prestressed Pipe Pile (PHC) is in place, by operational procedure pile tube (PHC) is depressed into projected depth afterwards.Handle walking mechanism and make a machine arrive next construction stake position, handle two rotary hydraulic cylinders that are contained on the chassis, the control Rotary cloumn turns clockwise 90 °, allows jet drill rig over against the stake position, repeats above-mentioned construction.
The beneficial effect that the present invention has is:
Cement earth pile and high-strength Prestressed Pipe Pile construction machine are incorporated into one, a kind of Multifunctional pilling machine for jet grouting pile sinking of novel structure is provided, after the peripheral cement earth pile construction, the stake machine is motionless, Rotary cloumn original position half-twist can carry out the high-strength Prestressed Pipe Pile construction, can not only guarantee high-strength Prestressed Pipe Pile (PHC) and the two center superposition of peripheral cement earth pile, and significantly shorten and hang stake with regard to bit time, improve simultaneously the vertical precision that is pressed into the high-strength prestress pile tube; Adopt the all-hydraulic power head jet drill rig, volume is little, lightweight, has both guaranteed the hydraulic hammer working space, is conducive to again vertical rotation shaft stability and increases margin of safety.
Description of drawings
Fig. 1 is the structural representation of the all-hydraulic walking churning of the present invention state;
Fig. 2 is the structural representation of the all-hydraulic walking piling of the present invention state;
Fig. 3 is the structural representation of crawler type churning state of the present invention;
Fig. 4 is the structural representation of crawler type piling state of the present invention;
Fig. 5 is the structural principle schematic diagram of vertical rotation shaft;
Fig. 6 is the structural representation of all-hydraulic power head jet drill rig.
Among the figure: 1, chassis; 2, hydraulic workstation; 3, operating room; 4, main winch; 5, the second hoist engine; 6, luffing hoist engine; 7, auxiliary hoist engine; 8, Rotary cloumn; 9, jet drill rig; 10, churning drilling tool; 11, hydraulic hammer; 12, all-hydraulic stepping mechanism; 13, guiding pile chuck; 14, high-strength Prestressed Pipe Pile; 15, crawler type walking mechanism; 16, horizontal ear arm; 17, piston rod; 18, rotary hydraulic cylinder; 19, piston motor; 20, rotary reducer; 21, unit head; 22, joint; 23, leading truck; 24, water tap; 25, connect pulley.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described further:
Shown in Fig. 1～4, Multifunctional pilling machine for jet grouting pile sinking comprises chassis 1,1 below, chassis arranges walking mechanism, the top is provided with hydraulic workstation 2, operating room 3 and Rotary cloumn 8, hydraulic workstation 2 and the main winch 4 that drives by hydraulic workstation 2, the second hoist engine 5, auxiliary hoist engine 6, luffing hoist engine 7, corresponding each hoist engine is installed respectively pulley at Rotary cloumn 8 tops, main winch 4, the second hoist engine 5 hangs jet drill rig 9 and hydraulic hammer 11 by hoisting rope respectively, horizontal sextant angle be set be 90 ° two end slipways on the Rotary cloumn 8, jet drill rig 9 and hydraulic hammer 11 lay respectively in two end slipways, and jet drill rig 9 bottoms connect churning drilling tool 10.
The walking mechanism that 1 below, chassis arranges can be selected ripe all-hydraulic stepping mechanism 12 (as shown in Figure 1, 2), also can select crawler type walking mechanism 15 (shown in Fig. 3,4).All-hydraulic stepping mechanism comprises that mainly quadruplet hydraulic leg and a cover walking oil cylinder are with auxiliary walking and revolution, complete machine stability when increasing construction simultaneously, four landing leg hydraulic cylinders are propped up with propping up when advancing, lower wall is liftoff realizes that by hydraulic system driving walking oil cylinder stake machine shoe boots move ahead, then pack up supporting leg and fall, shrink the pulling chassis by hydraulic cylinder and move ahead, realize that through so repeatedly operating a stake machine moves ahead, its automaticity is high, can advance voluntarily, retreats and walk.
The quadruplet hoist engine of configuration on the chassis 1: main winch 4 is responsible for hanging jet drill rig 9; The second hoist engine 5 is responsible for hanging hydraulic hammer 11; Luffing hoist engine 6 is responsible for the installation adjustment of Rotary cloumn 8; Auxiliary hoist engine 7 is responsible for the back works such as lifting drilling tool in construction.Rotary cloumn 8 adopts pivoting support to be fixed on the chassis 1, misplace 90 ° on the Rotary cloumn and hang respectively jet drill rig 9 and hydraulic hammer 11, the distance of the work centre of jet drill rig 9 and Rotary cloumn axis equals the work centre of hydraulic hammer 11 and the distance of Rotary cloumn axis, thereby can guarantee high-strength Prestressed Pipe Pile (PHC) and the two center superposition of peripheral cement earth pile.Jet drill rig is the all-hydraulic power head jet drill rig, and volume is little and lightweight, and volume is little to make its transverse projection less than the diameter of Rotary cloumn, has guaranteed the working space of hydraulic hammer, and lightweight being conducive to strengthens the stability of vertical rotation shaft and increase margin of safety.Hydraulic hammer 11 is selected high-frequency hydraulic hammer, and operating efficiency is high, applied widely, and vibration sense is little during work, and noise is low, and is pollution-free.The bottom of Rotary cloumn 8 install two guiding pile chucks, 13, two guiding pile chucks 13 lay respectively at jet drill rig 9 and hydraulic hammer 11 under, can guarantee churning boring and be pressed into the vertical precision of pile tube (PHC).
The jet drill rig 9 of Multifunctional pilling machine for jet grouting pile sinking is comprised of parts such as piston motor 19, rotary reducer 20, unit head 21, joint 22, leading truck 23, water tap 24 and connection pulleys 25, as shown in Figure 6.Jet drill rig 9 is hung on Rotary cloumn 8 by main winch 4 by connecting pulley 25, leading truck 23 guarantees that jet drill rig 9 work centres are parallel with Rotary cloumn 8 axis, its spacing is identical with distance between axles in the Rotary cloumn 8 with hydraulic hammer 11 work centres, piston motor 19 is driven by the pressure oil of hydraulic workstation 2, by rotary reducer 20 and unit head 21 twice deceleration, the low speed high torque that acquisition needs offers churning drilling tool 10.Establish the slip casting passage in the churning drilling tool 10, the stock inlet of slip casting passage connects the high-pressure slip-casting system, the bottom of churning drilling tool be provided with to around spray the jet of slurry, adopt the churning drilling tool directly to pierce ground, carry in the rotation behind the churning certain hour behind the lower drilling to completion, lower brill and on carry and all carry out synchronously high-pressure rotary-spray and deep-layer stirring in the process, the advantage of comprehensive high-pressure rotary-spray and two kinds of methods of deep-layer stirring, the major diameter, pile quality of constructing out evenly, the low cement earth pile that returns the slurry amount, in addition, the churning drilling tool is pin shaft type joint, is conducive to guiding and sealing.
Operating principle and process:
Handle walking mechanism and make a machine arrive the construction stake position, allow jet drill rig 9 over against the stake position.Start the second hoist engine 5 decline hydraulic hammers 11 to the bottom of Rotary cloumn 8 by hydraulic workstation 2, start main winch 4 and promote jet drill rig 9 to setting a high position.Start jet drill rig 9, churning drilling tool 10 bores by under the operational procedure, and lower brill carries out high-pressure rotary-spray and deep-layer stirring synchronously.Behind 10 times drilling to completions of churning drilling tool, by operational procedure churning certain hour, start afterwards main winch 4 in the former degree of depth, churning drilling tool 10 on one side slow circumvolve is carried on one side, carries on the churning drilling tool 10 and carries out synchronously high-pressure rotary-spray and deep-layer stirring.Carry to design height on the churning drilling tool 10, peripheral cement earth pile construction finishes, and closes jet drill rig 9 and high-pressure slip-casting system.Then handle two rotary hydraulic cylinders 18 that are contained on the chassis, control Rotary cloumn 8 is rotated counterclockwise 90 °, allows hydraulic hammer 11 over against the stake position.Start the second hoist engine 5 of hanging hydraulic hammer 11, it is high-order to setting to promote hydraulic hammer 11.Restart auxiliary hoist engine 7, by the guiding pile chuck 13 that is arranged on the vertical rotation shaft 8 that high-strength Prestressed Pipe Pile 14 (shown in dotted line among Fig. 2,4) is in place.Then the primer fluid hammer 11, by operational procedure high-strength Prestressed Pipe Pile (PHC) are depressed into projected depth.The high-strength Prestressed Pipe Pile construction finishes, and closes hydraulic hammer 11.Handle walking mechanism and make a machine arrive next construction stake position, handle and be contained in the One On The Chassis two rotary hydraulic cylinders 18, control Rotary cloumn 8 turns clockwise 90 °, allows jet drill rig 9 over against the stake position, repeats above-mentioned construction.
Claims (5)
1. Multifunctional pilling machine for jet grouting pile sinking, comprise the chassis, be arranged on the walking mechanism and the operating room that is arranged on the top, chassis of below, chassis, it is characterized in that: Rotary cloumn is installed on the chassis, hydraulic workstation and the main winch that drives by hydraulic workstation, the second hoist engine, the luffing hoist engine, auxiliary hoist engine, the luffing hoist engine is responsible for the installation adjustment of Rotary cloumn, auxiliary hoist engine is used for hanging aid, corresponding each hoist engine is installed respectively pulley at the Rotary cloumn top, main winch, the second hoist engine hangs jet drill rig and hydraulic hammer by hoisting rope respectively, horizontal sextant angle be set be 90 ° two end slipways on the Rotary cloumn, jet drill rig and hydraulic hammer lay respectively in two end slipways, the jet drill rig bottom connects the churning drilling tool, the distance of the work centre of jet drill rig and Rotary cloumn axis equals the work centre of hydraulic hammer and the distance of Rotary cloumn axis, two guiding pile chucks are installed in the bottom of Rotary cloumn, two guiding pile chucks lay respectively at jet drill rig and hydraulic hammer under.
2. Multifunctional pilling machine for jet grouting pile sinking according to claim 1, it is characterized in that: described jet drill rig is the all-hydraulic power head jet drill rig.
3. Multifunctional pilling machine for jet grouting pile sinking according to claim 1, it is characterized in that: angle is set is 180 ° two horizontal ear arms on the outer wall of described Rotary cloumn, corresponding each horizontal ear arm respectively arranges a rotary hydraulic cylinder, the cylinder body of rotary hydraulic cylinder is hinged on the chassis, and the piston rod of rotary hydraulic cylinder connects horizontal ear arm.
4. Multifunctional pilling machine for jet grouting pile sinking according to claim 1, it is characterized in that: described walking mechanism is all-hydraulic stepping mechanism.
5. Multifunctional pilling machine for jet grouting pile sinking according to claim 1, it is characterized in that: described walking mechanism is crawler type walking mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110095388 CN102226342B (en) | 2011-04-15 | 2011-04-15 | Multi-functional piling machine for jet grouting pile-sinking |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110095388 CN102226342B (en) | 2011-04-15 | 2011-04-15 | Multi-functional piling machine for jet grouting pile-sinking |
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| CN102226342A CN102226342A (en) | 2011-10-26 |
| CN102226342B true CN102226342B (en) | 2013-05-01 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102787598A (en) * | 2012-08-31 | 2012-11-21 | 山东鑫国重机科技有限公司 | Multifunctional piling machine with rotary vertical shaft |
| CN105735313A (en) * | 2016-04-19 | 2016-07-06 | 黑龙江龙华岩土工程有限公司 | Jacking type pile machine mixing and jet grouting device and pile forming method thereof |
| CN105735277A (en) * | 2016-04-19 | 2016-07-06 | 黑龙江龙华岩土工程有限公司 | Hammering type pile machine mixing and jet grouting device and pile forming method thereof |
| CN105970960A (en) * | 2016-06-30 | 2016-09-28 | 广东力源液压机械有限公司 | Walking pile driver |
| CN107542404B (en) * | 2017-10-18 | 2019-07-23 | 徐工集团工程机械有限公司 | Jet drill rig and its drilling depth detection system, method |
| CN110439475B (en) * | 2019-08-30 | 2020-11-27 | 浙江国腾建设集团有限公司 | Rotary spraying drilling machine for road and bridge construction and repair |
| CN110485411A (en) * | 2019-09-09 | 2019-11-22 | 广东力源液压机械有限公司 | End supports amplitude variation type stirring piling all-in-one machine and its construction method |
| CN114561938A (en) * | 2021-12-20 | 2022-05-31 | 陕西建工新能源有限公司 | Novel photovoltaic concrete prestressed pipe pile |
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- 2011-04-15 CN CN 201110095388 patent/CN102226342B/en not_active Expired - Fee Related
Patent Citations (6)
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|---|---|---|---|---|
| CN2345585Y (en) * | 1996-05-10 | 1999-10-27 | 张建平 | Multifunctional reinforcing machine for soft soil foundation |
| JP2001098547A (en) * | 1999-07-29 | 2001-04-10 | Marugo Foundation Corp | Triaxial driving device and producing method for soil cement composite pile by using triaxial driving device |
| EP1146173A1 (en) * | 2000-04-11 | 2001-10-17 | Compagnie Du Sol | Apparatus for producing drilled piles |
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