CN202039369U - Multifunctional pilling machine for jet grouting pile sinking - Google Patents

Multifunctional pilling machine for jet grouting pile sinking Download PDF

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Publication number
CN202039369U
CN202039369U CN201120112045XU CN201120112045U CN202039369U CN 202039369 U CN202039369 U CN 202039369U CN 201120112045X U CN201120112045X U CN 201120112045XU CN 201120112045 U CN201120112045 U CN 201120112045U CN 202039369 U CN202039369 U CN 202039369U
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CN
China
Prior art keywords
machine
pile
hydraulic
drill rig
rotary cloumn
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Expired - Fee Related
Application number
CN201120112045XU
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Chinese (zh)
Inventor
卢秉恒
宋义仲
王庆军
史维祥
李正泉
马凤生
赵西久
徐海波
杜彦亭
于克永
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SHANDONG XINGUO HEAVY MACHINERY TECHNOLOGY Co Ltd
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SHANDONG XINGUO HEAVY MACHINERY TECHNOLOGY Co Ltd
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Priority to CN201120112045XU priority Critical patent/CN202039369U/en
Application granted granted Critical
Publication of CN202039369U publication Critical patent/CN202039369U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model belongs to the field of foundation engineering construction equipment, and particularly relates to a multifunctional pilling machine for jet grouting pile sinking, which comprises a chassis, an operating chamber, a hydraulic working station, a rotary stand column and winches, wherein a jet grouting drilling machine and a hydraulic hammer are suspended on a main winch and a second winch respectively; the rotary stand column is provided with two longitudinal sideways with a 90-degree horizontal included angle; and the jet grouting drilling machine and the hydraulic hammer are respectively positioned in the two longitudinal sideways. In the utility model, a cement soil pile construction machine and a high-strength prestressing pipe pile construction machine are integrated into a whole, the pilling machine is static after a peripheral cement soil pile is constructed, and the high-strength prestressing pipe pile construction can be conducted by rotating the rotary stand column by 90 degrees in situ, so that not only can the centers of a high-strength prestressing pipe pile (PHC) and the peripheral cement soil pile be ensured to be coincided, but also the pile hoisting in-place time can be greatly reduced, and the vertical accuracy of the pressed high-strength prestressing pipe pile can be improved simultaneously.

Description

The multi-functional stake of churning pile sinking machine
Technical field
The utility model relates to the multi-functional stake of a kind of churning pile sinking machine, belongs 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 is soft moulding~stream substantially and moulds state, and bearing capacity is low, compressibilty is high.Building foundation in this formation condition is if adopt flexible pile such as cement earth pile, has the big and low weakness of self intensity of collateral resistance; If adopt rigid pile such as castinplace pile and preformed pile, then there is self intensity height and the low weakness of collateral resistance, can cause all that bearing capacity is low, problems such as 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.At this geology, necessary employing collateral resistance height, NEW TYPE OF COMPOSITE stake-tubular pile cement composite foundation pile that 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.Concrete construction technology 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, following brill carry out high-pressure rotary-spray and deep layer synchronously and stir; (3) carry on the long-spiral drilling machine drilling tool, carry on the drilling tool and carry out the stirring of high-pressure rotary-spray and deep layer synchronously; (4) close high pressure slurry pump, long-spiral drilling machine is displaced to next position.
In second step, the Static pressure pile driver of employing rated pressure 680t carries out the high-strength Prestressed Pipe Pile construction.Concrete construction technology 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 construction work at present, single machine can only be implemented a kind of piling work, therefore when relating to above two kinds of technologies, 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, though also there is multi-functional piling machine to come into operation, as the patent No. is a kind of multi-functional stake machine of being mentioned in the patent of CN 201020282554, 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, high-strength Prestressed Pipe Pile and the two center of peripheral cement earth pile do not overlap, be pressed into the vertical precision difference etc. of high-strength Prestressed Pipe Pile, these problems are directly restricting the supporting capacity of tubular pile cement composite foundation pile, but also do not have good solution so far.
The utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of cement earth pile and high-strength Prestressed Pipe Pile construction machine are incorporated into one, are applicable to the multi-functional stake of the churning pile sinking machine of the novel structure of tubular pile cement composite foundation pile construction, can not only guarantee that the two center of high-strength Prestressed Pipe Pile (PHC) and peripheral cement earth pile overlaps, and shorten significantly and hang stake, improve the vertical precision that is pressed into the high-strength prestress pile tube simultaneously with regard to bit time.
The technical scheme that its technical problem that solves the utility model adopts is: the multi-functional stake of a kind of churning pile sinking machine, 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, second hoist engine, auxiliary hoist engine, the luffing hoist engine, corresponding each hoist engine is installed pulley respectively at the Rotary cloumn top, main winch, 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, in light weight.Volume is little, and its transverse projection has guaranteed the working space of hydraulic hammer less than the diameter of Rotary cloumn; In light weight, help strengthening the stability of vertical rotation shaft and increasing 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 that high-strength Prestressed Pipe Pile (PHC) and the two center of peripheral cement earth pile overlap.
Angle is set is 180 ° two horizontal ear arms on the outer wall of described Rotary cloumn, corresponding horizontal ear arm is provided with the rotating hydraulic oil cylinder, and the cylinder body of rotating hydraulic oil cylinder is hinged on the chassis, and the piston rod of rotating hydraulic oil cylinder connects horizontal ear arm.Make Rotary cloumn carry out ± 90 ° of rotations by control rotating hydraulic oil cylinder, be convenient to the churning cement earth pile, be pressed into the conversion of two kinds of technologies 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 stride of described walking mechanism mechanism;
Scheme two: described walking mechanism is a crawler type walking mechanism.
Described churning drilling tool is a device conventional or that can realize, and the preferred pin type joint of its joint helps 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 following drilling to completion, carry in the rotation behind the churning certain hour; Following brill and on carry and all carry out high-pressure rotary-spray and deep layer in the process synchronously and stir.Comprehensive high-pressure rotary-spray and deep layer stir the advantage of two kinds of methods, and the diameter of constructing out is big, 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).The primer fluid hammer before the cement-soil initial set, is pressed into the high-strength Prestressed Pipe Pile (PHC) of size match in the cement earth pile center then, forms tubular pile cement composite foundation pile.The tubular pile cement composite foundation pile that adopts this multi-functional ram machine construction to form, can give full play to cement earth pile and high-strength Prestressed Pipe Pile (PHC) performance advantage separately, big and high-strength Prestressed Pipe Pile (PHC) pile strength high two big characteristics of cement earth pile stake week collateral resistance particularly, make high-strength prestress pile tube and cement earth pile bear upper load jointly, and guarantee that the two center of high-strength Prestressed Pipe Pile (PHC) and peripheral cement earth pile overlaps, shorten and hang stake (PHC) with regard to bit time, and control piling (PHC) vertical precision.
The duty of the multi-functional stake of this churning pile sinking machine is as follows: handle walking mechanism and make a machine arrive the construction stake position, hydraulic hammer is reduced to the Rotary cloumn bottom, and it is high-order to setting that the startup main winch promotes jet drill rig.Bore by under the operational procedure, following brill carries out high-pressure rotary-spray and deep layer synchronously and stirs, 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 the stirring of high-pressure rotary-spray and deep layer synchronously.After peripheral cement earth pile construction finishes, close the high-pressure slip-casting system.Manipulation is contained in two rotating hydraulic oil cylinders on the chassis, and the control Rotary cloumn is rotated counterclockwise 90 °, allows hydraulic hammer over against the stake position.Start second hoist engine of hanging hydraulic hammer and promote hydraulic hammer to setting a high position, start auxiliary hoist engine then, 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 rotating hydraulic oil 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 utility model had is:
Cement earth pile and high-strength Prestressed Pipe Pile construction machine are incorporated into one, a kind of multi-functional stake of churning pile sinking machine 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 that the two center of high-strength Prestressed Pipe Pile (PHC) and peripheral cement earth pile overlaps, and shorten significantly and hang stake, improve the vertical precision that is pressed into the high-strength prestress pile tube simultaneously with regard to bit time; Adopt the all-hydraulic power head jet drill rig, volume is little, in light weight, has both guaranteed the hydraulic hammer working space, helps vertical rotation shaft stability again and increases margin of safety.
Description of drawings
Fig. 1 is the structural representation of the all-hydraulic walking churning of the utility model state;
Fig. 2 is the structural representation of the all-hydraulic walking piling of the utility model state;
Fig. 3 is the structural representation of the utility model crawler type churning state;
Fig. 4 is the structural representation of the utility model crawler type piling state;
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, 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 stride mechanism; 13, guiding pile chuck; 14, high-strength Prestressed Pipe Pile; 15, crawler type walking mechanism; 16, horizontal ear arm; 17, piston rod; 18, rotating hydraulic oil 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 embodiment of the present utility model is described further:
Shown in Fig. 1~4, the multi-functional stake of churning pile sinking machine comprises chassis 1,1 below, chassis is provided with 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, second hoist engine 5, auxiliary hoist engine 6, luffing hoist engine 7, corresponding each hoist engine is installed pulley respectively at Rotary cloumn 8 tops, main winch 4, 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 is provided with can be selected 12 (as shown in Figure 1, 2) of ripe all-hydraulic stride mechanism for use, also can select crawler type walking mechanism 15 (shown in Fig. 3,4) for use.All-hydraulic stride mechanism comprises that mainly a 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, pack up supporting leg then and fall, shrink the pulling chassis by hydraulic cylinder and move ahead, realize that through repeatable operation like this stake machine moves ahead, its automaticity height can advance voluntarily, retreats and walk.
Hydraulic workstation 2 is made up of Diesel engine, Variable plunger pump, fuel tank, control valve group, instrument and pipeline, and being responsible for provides power to each operating cylinder.Operating room 3 adopts full impregnateds bright, makes operating personnel's indefatigability, also disposes inductance load angle monitor instrument, deep-mixed pile monitor and the automatic detection record instrument of computer in the operating room 3, operates easily, convenient, and data are accurately for future reference, guarantee construction quality.
The quadruplet hoist engine of configuration on the chassis 1: main winch 4 is responsible for hanging jet drill rig 9; 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 back works such as lifting drilling tool in construction.Rotary cloumn 8 adopts pivoting support to be fixed on the chassis 1, dislocation is hung jet drill rig 9 and hydraulic hammer 11 respectively for 90 ° on the Rotary cloumn, 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 that high-strength Prestressed Pipe Pile (PHC) and the two center of peripheral cement earth pile overlap.Jet drill rig is the all-hydraulic power head jet drill rig, and volume is little and in light weight, and volume makes the diameter of its transverse projection less than Rotary cloumn for a short time, has guaranteed the working space of hydraulic hammer, and in light weight helping strengthens the stability of vertical rotation shaft and increase margin of safety.Hydraulic hammer 11 is selected the high frequency hydraulic vibration driver for use, operating efficiency height, applied widely, and the sense of shaking during work is little, 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).
Rotary cloumn 8 adopts pivoting support to be fixed on the chassis 1, dislocation is hung jet drill rig 9 and hydraulic hammer 11 respectively for 90 ° on the Rotary cloumn 8, the cylinder body hinge joint of left and right two cover rotating hydraulic oil cylinders 13 is on chassis 1, and piston rod is connected on the two horizontal ear arms 16 of Rotary cloumn 8, as shown in Figure 5.Handle the hydraulic control valve of rotating hydraulic oil cylinder 13, push away before the piston rod 17 with left side rotating hydraulic oil cylinder 18, piston rod 17 post-tensionings of right side rotating hydraulic oil cylinder 18, then Rotary cloumn 8 will turn clockwise among the figure.Postpone the displacement of drawing before the control rotating hydraulic oil cylinder 18, can accurately control Rotary cloumn 8 and turn clockwise 90 °, jet drill rig 9 is over against the stake position.In like manner as can be known, operating hydraulically operated control valve pushes away piston rod 17 post-tensionings of left side rotating hydraulic oil cylinder 18 before the piston rod 17 of right side rotating hydraulic oil cylinder 18, and then Rotary cloumn 8 will be rotated counterclockwise.Postpone the displacement of drawing before the control rotating hydraulic oil cylinder 18, can accurately control Rotary cloumn 8 and be rotated counterclockwise 90 °, allow hydraulic hammer 11 over against the stake position.
The jet drill rig 9 of the multi-functional stake of churning pile sinking machine is made up 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 following drilling to completion, following brill and on carry and all carry out high-pressure rotary-spray and deep layer in the process synchronously and stir, comprehensive high-pressure rotary-spray and deep layer stir the advantage of two kinds of methods, 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 the pin type joint, helps 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 bottom of second hoist engine, 5 decline hydraulic hammers 11 by hydraulic workstation 2, start main winch 4 and promote jet drill rig 9 to setting a high position to Rotary cloumn 8.Start jet drill rig 9, churning drilling tool 10 bores by under the operational procedure, and following brill carries out high-pressure rotary-spray and deep layer synchronously and stirs.Behind 10 times drilling to completions of churning drilling tool, press operational procedure churning certain hour in the former degree of depth, start main winch 4 afterwards, churning drilling tool 10 is slowly carried in the rotation on one side on one side, carries on the churning drilling tool 10 and carries out the stirring of high-pressure rotary-spray and deep layer synchronously.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.Handle two rotating hydraulic oil cylinders 18 that are contained on the chassis then, control Rotary cloumn 8 is rotated counterclockwise 90 °, allows hydraulic hammer 11 over against the stake position.Start 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.The primer fluid hammer 11 then, 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 rotating hydraulic oil cylinders 18, control Rotary cloumn 8 turns clockwise 90 °, allows jet drill rig 9 over against the stake position, repeats above-mentioned construction.

Claims (7)

1. the multi-functional stake of churning pile sinking machine, 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, second hoist engine, the luffing hoist engine, auxiliary hoist engine, corresponding each hoist engine is installed pulley respectively at the Rotary cloumn top, main winch, 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.
2. the multi-functional stake of churning pile sinking according to claim 1 machine, it is characterized in that: described jet drill rig is the all-hydraulic power head jet drill rig.
3. the multi-functional stake of churning pile sinking according to claim 1 and 2 machine, it is characterized in that: 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.
4. the multi-functional stake of churning pile sinking according to claim 1 machine, it is characterized in that: angle is set is 180 ° two horizontal ear arms on the outer wall of described Rotary cloumn, corresponding horizontal ear arm is provided with the rotating hydraulic oil cylinder, the cylinder body of rotating hydraulic oil cylinder is hinged on the chassis, and the piston rod of rotating hydraulic oil cylinder connects horizontal ear arm.
5. according to the multi-functional stake of claim 1 or 4 described churning pile sinking machine, it is characterized in that: 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.
6. the multi-functional stake of churning pile sinking according to claim 1 machine is characterized in that: described walking mechanism is an all-hydraulic stride mechanism.
7. the multi-functional stake of churning pile sinking according to claim 1 machine, it is characterized in that: described walking mechanism is a crawler type walking mechanism.
CN201120112045XU 2011-04-15 2011-04-15 Multifunctional pilling machine for jet grouting pile sinking Expired - Fee Related CN202039369U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120112045XU CN202039369U (en) 2011-04-15 2011-04-15 Multifunctional pilling machine for jet grouting pile sinking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120112045XU CN202039369U (en) 2011-04-15 2011-04-15 Multifunctional pilling machine for jet grouting pile sinking

Publications (1)

Publication Number Publication Date
CN202039369U true CN202039369U (en) 2011-11-16

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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226342A (en) * 2011-04-15 2011-10-26 山东鑫国重机科技有限公司 Multi-functional piling machine for jet grouting pile-sinking
CN108221990A (en) * 2018-02-05 2018-06-29 福州清河源环保科技有限公司 A kind of construction fixing glue stake equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102226342A (en) * 2011-04-15 2011-10-26 山东鑫国重机科技有限公司 Multi-functional piling machine for jet grouting pile-sinking
CN102226342B (en) * 2011-04-15 2013-05-01 山东鑫国重机科技有限公司 Multi-functional piling machine for jet grouting pile-sinking
CN108221990A (en) * 2018-02-05 2018-06-29 福州清河源环保科技有限公司 A kind of construction fixing glue stake equipment

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Granted publication date: 20111116

Termination date: 20160415