CN109286274A - A kind of direct driving motor is in the application of piling machinery and piling machine - Google Patents

A kind of direct driving motor is in the application of piling machinery and piling machine Download PDF

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Publication number
CN109286274A
CN109286274A CN201810014913.7A CN201810014913A CN109286274A CN 109286274 A CN109286274 A CN 109286274A CN 201810014913 A CN201810014913 A CN 201810014913A CN 109286274 A CN109286274 A CN 109286274A
Authority
CN
China
Prior art keywords
direct
driving motor
drilling rod
direct driving
piling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810014913.7A
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Chinese (zh)
Inventor
郭克诚
江永胜
袁德顺
张龙
孙伟
王相民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Qiancheng Piling Technology Co Ltd
Original Assignee
Wuhan Qiancheng Piling Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Qiancheng Piling Technology Co Ltd filed Critical Wuhan Qiancheng Piling Technology Co Ltd
Priority to CN201810014913.7A priority Critical patent/CN109286274A/en
Publication of CN109286274A publication Critical patent/CN109286274A/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • E21B3/02Surface drives for rotary drilling

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

The present invention relates to piling machinery field, spy is related to a kind of direct driving motor in the application of piling machinery and piling machine.The drilling rod or drill bit that the direct driving motor directly driven is loaded by motor shaft with required piling machinery are connected directly by the present invention, the driving torque servo-system formed by control device direct-driving motor and load matched.The present invention can greatly improve the transmission efficiency and construction efficiency of piling machinery, reduce the operating cost of equipment, because reducing mechanical transmission component, the noise of reduced operation, environmental protection construction.

Description

A kind of direct driving motor is in the application of piling machinery and piling machine
Technical field
The application that the present invention relates to direct driving motors on piling machinery, specially capital construction industry engineering machinery field are used In a kind of piling machinery equipment using motor direct-drive of piling machinery, belong to building trade engineering machinery technology neck Domain.
Background technique
The engineering machinery in China is occupied an important position in mechanical equipment field at present, and especially intelligentized innovation machinery is The important industry that China's emphasis is supported and first developed.
Traditional engineering machinery is essentially all the power source by various motors and internal combustion engine as equipment, motor It generally will be by a whole set of complicated machine driving, including clutch, gear, shaft coupling, turbine and worm, skin to workpiece The intermediate mechanism such as belt wheel converts to realize required mechanical action and task.These intermediate links can bring a series of ask Topic, such as cause biggish friction, noise, vibration and abrasion, organization distribution many and diverse and motion delay, mechanized equipment can be made Machining accuracy, operational reliability, mechanical efficiency reduce, increase time and the cost of maintenance.
Engineering machinery field at present, especially in piling machinery field, the transmission of all kinds of mechanized equipments is main or with machinery Based on transmission and hydraulic transmission mode.By taking relatively advanced hydraulic drive as an example, it is desired nonetheless to engine is driven into hydraulic pump, it is defeated The high pressure liquid pressure oil sent drives hydraulic motor again, and there are also reduction gearing etc., a substantial or inter-species for matched possibility Connect the mechanical type of driving.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of direct driving motors in the application of piling machinery and piling machine. Drilling rod the motor and required mechanical load that directly drive of the invention is connected directly, by the large torque torque of motor, revolution, Speed, position etc. are directly passed to the drilling tool of load, therefore can greatly improve the transmission efficiency and construction efficiency of piling machinery, The operating cost for reducing equipment, because reducing mechanical transmission component, the noise of reduced operation, environmental protection construction.
The technical scheme is that a kind of application of direct driving motor in piling machinery, it is characterised in that: by direct driving motor The drilling rod or drill bit loaded by direct-drive motor shaft and required piling machinery is connected, by control device drive direct driving motor to Realize the revolution of drilling rod or drill bit.
According to direct driving motor as described above piling machinery application, it is characterised in that: the direct driving motor be forever One kind of magnetic alternating current generator, permanent magnet DC motor, permanent magnetic servo synchronous motor or alternating current asynchronous servo motor.
According to direct driving motor as described above piling machinery application, it is characterised in that: the direct driving motor includes Direct-drive motor shaft, rotor, stator, shell, inside the shell, rotor is arranged on the inside of stator, and internal rotor is set for rotor, stator setting Set direct-drive motor shaft, direct-drive motor shaft is through shell.
For the direct driving motor in the application of piling machinery, each executing agency therein includes promotion, pressurization, liquid conveying The independent agencies such as pump are containing by the way of electric-machine directly-driven.Drilling rod or drill bit are in direct driving motor rotary course, by drilling rod Portion presses downwards, makes drilling rod and drill bit to earth drilling;By pressurizeing and being promoted the hoist engine of direct driving motor driving, drilling tool is realized Pressurization and promoted operating condition.Each drilling pressurization, is promoted, the direct driving motor of pump condition, is programmed and is linked by central processing unit, auxiliary With artificial intelligence control.
According to direct driving motor as described above piling machinery application, it is characterised in that: under the direct driving motor is Set formula driving method, the direct-drive motor shaft of direct driving motor be in lead to, drilling rod pass through in the direct-drive motor shaft that leads to, pass through torque transmission mechanism Directly drive drilling rod revolution.
According to direct driving motor as described above piling machinery application, it is characterised in that: the described direct driving motor output The lower end of axis and the upper end of drilling rod are direct-connected, and direct driving motor directly drives drilling rod.
According to direct driving motor as described above piling machinery application, it is characterised in that: the drilling rod of the load is Non-rotating or opposite revolution, the upper end of direct driving motor are fixedly connected with drilling rod lower end, and the lower end of direct driving motor passes through straight It drives motor shaft to connect with drill bit, direct driving motor directly drives the construction that drill bit completes pile foundation.
The invention also discloses a kind of piling machines, including direct driving motor, torque transmission mechanism, drilling rod and drill bit, it is characterised in that: The direct driving motor includes direct-drive motor shaft, rotor, stator, shell, and inside the shell, rotor setting exists for rotor, stator setting On the inside of stator, direct-drive motor shaft is arranged in internal rotor, and direct-drive motor shaft passes through torsion pass through shell, the direct-drive motor shaft Mechanism is connected with drilling rod or drill bit.
According to piling machine as described above, it is characterised in that: the direct driving motor be underlying mode, further include a machine, Control device, drill bit are arranged on front side of drilling rod, and drilling rod is connected in direct-drive motor shaft by torque transmission mechanism.
According to piling machine as described above, it is characterised in that: the torque transmission mechanism is to mend core wheel, and mending core wheel includes torsion pass Roller shaft is arranged in idler wheel, roller shaft, roller shaft cover board, attachment device, torsion pass idler wheel centre, and torsion pass idler wheel two sides are idler wheel shaft-cup Plate, multiple torsion idler wheels are linked together by attachment device, are mended core wheel and are arranged two above and below direct driving motor by torsion pass roller mount Side, direct-drive motor shaft and drilling rod are polygon.
According to piling machine as described above, it is characterised in that: the torque transmission mechanism is keyway arrangements, is arranged on drilling rod and bores Axis internal key is arranged in bar torsion pass key, direct-drive motor shaft, and drilling rod torsion pass key and axis internal key are mutual ratcheting structure.
According to piling machine as described above, it is characterised in that: the piling machine is overhead type piling machine, further includes straight stake Machine, control device, in drilling rod lower end, direct driving motor drives direct-drive motor shaft rotation, direct-drive motor shaft lower end and brill for drill bit setting The upper end of bar is direct-connected.
According to piling machine as described above, it is characterised in that: piling machine is that well sets formula piling machine, and drilling rod and direct driving motor are solid Fixed connection, the direct-drive motor shaft of direct driving motor front end are connect with drill bit.
The beneficial effects of the present invention are: reduction is equipped first is that the transmission efficiency and construction efficiency of piling machinery can be improved Operating cost;Second is that the noise of reduced operation, environmental protection construction;It is loaded third is that being driven using direct driving motor difference setting Drilling tool realizes the different engineering duty of piling machinery.The structure can be improved device reliability of operation;Fourth is that existing suitable not yet For directly driving the direct driving motor of piling machine, the present invention makes it easy to carry out straight by the reasonable setting to direct-drive motor shaft Connect driving.
Detailed description of the invention
Fig. 1 is underneath type working method schematic diagram of the present invention;
Fig. 2 is overhead type working method schematic diagram of the present invention;
Fig. 3 is that well of the present invention sets formula working method schematic diagram;
Fig. 4 is the schematic diagram that direct driving motor is connect with hexagon drilling rod;
Fig. 5 direct driving motor hexagonal kelly torsion pass schematic diagram (drilling rod is hexagon);
The positive kelly bar torsion pass schematic diagram of Fig. 6 direct driving motor (drilling rod is square);
Fig. 7 direct driving motor drilling rod key torsion pass schematic diagram (drilling rod is circle).
Marked in the figure: direct driving motor 1, rotor 12, stator 13, shell 14, terminal box 15, inlet wire 16, feedback outlet 17, straight Drive motor shaft 2, stake machine 3, torque transmission mechanism 4, torsion pass idler wheel 41, torsion pass roller mount 42, roller shaft 43, roller shaft cover board 44, connection Device 45, drilling rod torsion pass key 46, axis internal key 47, control device 5, drilling rod 6, drill bit 7, stake holes 8.
Specific embodiment
Direct driving motor of the invention is electric motor with large torque, and torque range is 5000n/m~500000n/m, that is, 0.5 be commonly called as ~50 tons/meter.
Convolution in the present invention is to rotate.
Below in conjunction with attached drawing, the invention will be further described.
As shown in Figure 1, the piling machine of AC or DC servo direct driving motor of the invention, is underneath type piling machine, including Direct driving motor 1, direct-drive motor shaft 2, stake machine 3, torque transmission mechanism 4, control device 5, drilling rod 6 and drill bit 7, drill bit 7 are arranged in drilling rod 6 Front side, drilling rod 6 drive direct-drive motor shaft 2 to rotate by torque transmission mechanism 4 and direct-drive motor shaft 2, direct driving motor 1.Direct driving motor 1 is put It sets on the processing platform of stake machine 3.Control device 5 is used to control the rotation of direct driving motor 1, and then improves the transmitting of piling machinery Efficiency and construction efficiency reduce the operating cost of equipment, because reducing mechanical transmission component, reduce the noise of operation, environmental protection Construction.Direct-drive motor shaft 2 of the invention is middle energization arbor, drilling rod 6 pass through in the axis that leads to, pass through polygon (hexagon or just It is rectangular) torsion pass idler wheel 4 or all types of keys transmit torque, directly drive drilling rod revolution, at the same drilling rod 6 can it is axial on move down Dynamic, torsion pass idler wheel prolongs drilling rod outer side edges and rolls cooperation.Direct driving motor 1, which can also be arranged, to be gone up and down in a certain range, such as can be 0 It is gone up and down within the scope of ~ 4 meters.
Torque transmission mechanism 4 of the present invention is easy high-torque torque transmission mechanism, and main function is situations such as preventing stall, it is ensured that Direct driving motor 1 can be run steadily in the long term.Torque transmission mechanism 4 of the invention preferably mends core wheel, and mending core wheel includes torsion pass idler wheel 41, rolling Wheel shaft 43, roller shaft cover board 44, attachment device 45, roller shaft 43 is arranged among torsion pass idler wheel 41, and 41 two sides of torsion pass idler wheel are rolling Wheel shaft cover board 44, multiple torsion idler wheels 41 are linked together by attachment device 45.Core wheel is mended to be arranged by torsion pass roller mount 42 About 1 two sides of direct driving motor, and the direct-drive motor shaft 2 of direct driving motor 1 is polygon, as shown in Fig. 4, direct-drive motor shaft at this time 2 be interior hexagon, then torsion pass roller mount 42 is that corresponding six square keys mode connects, then drilling rod 6 is also hexagon.Biography of the invention Mechanism 4 or keyway arrangements are turned round, as shown in fig. 7, drilling rod torsion pass key 46 is arranged on drilling rod 6, direct-drive motor shaft 2 is arranged in axis Key 47, drilling rod torsion pass key 46 and axis internal key 47 are mutual ratcheting structure.
It is attached i.e. between motor and drilling rod preferably by mending core wheel, in electric-machine directly-driven mode, drilling rod card such as occurs Stagnant situation, then motor is easily damaged, and by mending the connection of core wheel, when there is the case where stall, motor, which can drive, mends core wheel Rotation, the occurrence of so as to avoid stall.
Direct driving motor 1 of the invention can be intelligent electromagnetic direct driving motor or Intelligent servo direct driving motor, or same for permanent magnetism Walk (servo) motor, asynchronous (servo) motor of permanent magnet AC etc..
It is overhead type piling machine as shown in Fig. 2, the piling machine of electric-machine directly-driven drilling rod of the invention, including direct driving motor 1, Direct-drive motor shaft 2, stake machine 3, control device 5, drilling rod 6 and drill bit 7, the setting of drill bit 7 drive directly in 6 front side of drilling rod, direct driving motor 1 It drives motor shaft 2 to rotate, 2 lower end of direct-drive motor shaft and the upper end of drilling rod 6 are direct-connected, directly drive brill by direct-drive motor shaft 2 in this way First 7.
As shown in figure 3, the piling machine of electric-machine directly-driven drilling rod of the invention, formula piling machine is set for well, including direct driving motor 1, Stake machine 3, control device 5, drilling rod 6 and drill bit 7, drilling rod 6 are fixedly connected with direct driving motor 1, the direct driving motor of 1 front end of direct driving motor Axis 2 is connect with drill bit 7.In the present embodiment, drilling rod 6 is only used as upper and lower drilling tool, and main function is drilling plus-minus pressure.Direct driving motor 1 Lower end is fixedly connected with drill bit 7, directly drives drill bit 7, completes the construction of stake holes 8.
As shown in figure 4, direct driving motor 1 of the invention includes direct-drive motor shaft 2, rotor 12, stator 13, shell 14, rotor 12, stator 13 is arranged in shell 14, and direct-drive motor shaft 2 is arranged inside 13 inside of stator, rotor 12 in the setting of rotor 12, straight to drive Motor shaft 2 is through shell 14.As shown in Figures 5 to 7, direct-drive motor shaft 2 of the invention can be bond in polygon or axis Structure, polygon can be shapes more than three sides such as triangle, four deformations, hexagon, and direct-drive motor shaft 2 of the invention is rotor Axis.As shown in figure 4, direct driving motor 1 of the invention can also include terminal box 15, terminal box 15 includes inlet wire 16, feedback outlet 17, inlet wire 16 includes power supply line, control line etc., and feedback outlet 17 is used for transmission motor speed, torque, electric current, position signals.
The device of the invention can be connected directly the motor and the drilling rod of required mechanical load etc. directly driven, by motor Large torque torque, revolution, direction, speed, position etc. be directly passed to drilling tool of load etc..
Application the invention also discloses AC or DC direct driving motor in piling machinery, the direct driving motor that will be directly driven Be connected directly with the drilling rod or drill bit of required piling machinery task load, by control device 5 directly drive torque motor with The driving torque servo-system that load matched is formed.The frequency converter of system, is separately connected PLC console at encoder, and will control Information feed back to the electromagnetic energy of servo motor and be converted into large torque torque, revolution, direction, the speed of mechanical energy needed for piling machinery Degree, position etc. are directly passed to the drilling tool etc. of load.Each executing agency in piling machinery is defeated including promotion, pressurization, liquid Send equal independent agencies containing by the way of electric-machine directly-driven.The control of its each mechanism programs linkage by central processing unit and provides. During drilling rod or bit of the invention, pressed downwards by drilling rod top, thus make rod bit to earth drilling, by In course of exerting pressure be technology commonly used in the art, therefore herein no longer in detail narration.
And the motor 1 directly driven can be permanent magnet AC or servo motor and Permanent magnet DC or servo motor etc..Permanent magnetism AC servo motor need to give mating driver through sensor and encoder feedback speed, position or torque reference value, then by driving Device adjusts driving current in real time and rotates by control motor is actually specified to.
The application of AC or DC direct driving motor of the invention in piling machinery, the side that direct driving motor drives drilling rod to install Formula may is that underneath type, overhead type, middle, well set one of formula.Underneath type direct driving motor 1, direct-drive motor shaft 2 are In lead to, the drilling rod of required mechanical load pass through in lead to direct-drive motor shaft 2, be bolted to connection in direct-drive motor shaft 2 Torsion pass idler wheel or all types of keys 4 transmit torque, directly drive revolution, torsion pass idler wheel or all types of keys 4 and drilling rod use It is slidably matched, while radially transmitting torque, drilling rod can be moved up and down axially.The underneath type motor workbench can be It is gone up and down within the scope of 0~4 meter.
Overhead type mounting means of the present invention are as follows: the lower end of direct-driven servo motor output shaft 2 and the upper end of drilling rod use end Flange adds sunk key, and high-strength bolt fastening is direct-connected, and required mechanical load directly drives drilling rod.
Well of the present invention sets the course of work of formula are as follows: the drilling rod 6 of carry load is non-rotating or opposite revolution, drilling rod It is only used as upper and lower drilling tool, the effect of drilling plus-minus pressure, the upper end of carry load motor and the lower end and drilling rod that are mounted on drilling rod are solid The lower end of fixed connection, load direct driving motor 1 is fixedly connected with 7 component of drill bit, directly drives drill bit, completes the construction of pile foundation 8.
Apparatus and method of the present invention reduces drive mechanism, to keep the device of the invention transmission efficiency high, noise is small, So that methods and apparatus of the present invention is suitable for the construction beside residential area, can greatly reduce noise, it is good in machinery debugging Situation under, noise in work progress can be made to will not influence the sleep and rest of construction area nearby residents less than 50 decibels.

Claims (12)

1. a kind of direct driving motor is in the application of piling machinery, it is characterised in that: by direct driving motor by direct-drive motor shaft with it is required The drilling rod or drill bit of piling machinery load are connected, and drive direct driving motor by control device to realize time of drilling rod or drill bit Turn.
2. direct driving motor according to claim 1 is in the application of piling machinery, it is characterised in that: the direct driving motor is One kind of permanent magnet AC motor, permanent magnet DC motor, permanent magnetic servo synchronous motor or alternating current asynchronous servo motor, the drive electricity Machine includes direct-drive motor shaft, rotor, stator, shell, and inside the shell, rotor is arranged on the inside of stator, rotor for rotor, stator setting Inside setting direct-drive motor shaft, direct-drive motor shaft is through shell.
3. direct driving motor described in claim 1 is in the application of piling machinery, each executing agency therein include promoted, pressurization or Liquid delivery pump containing by the way of electric-machine directly-driven, drilling rod or drill bit in direct driving motor rotary course, by drilling rod top to Lower pressure, makes drilling rod and drill bit to earth drilling;By pressurizeing and being promoted the hoist engine of direct driving motor driving, adding for drilling tool is realized Pressure pressurization, is promoted, the direct driving motor of pump condition with operating condition, each drilling is promoted, and is programmed and is linked by central processing unit, is aided with people Work intelligent control.
4. direct driving motor according to claim 1 or 3, in the application of piling machinery, direct driving motor drives drilling rod installation Mode may is that underneath type, overhead type, middle, well set one of formula.
5. direct driving motor according to claim 1 be underneath type driving method, the direct-drive motor shaft of direct driving motor be in lead to, Drilling rod pass through in lead to direct-drive motor shaft, by torque transmission mechanism directly drive drilling rod revolution.
6. direct driving motor according to claim 1 is overhead type driving method, it is characterised in that: the direct driving motor is defeated The lower end of shaft and the upper end of drilling rod are direct-connected, and direct driving motor directly drives drilling rod.
7. direct driving motor according to claim 1 is that well sets formula driving method, it is characterised in that: the drilling rod of the load For non-rotating or opposite revolution, the upper end of direct driving motor is fixedly connected with drilling rod lower end, and the lower end of direct driving motor passes through Direct-drive motor shaft is connect with drill bit, and direct driving motor directly drives the construction that drill bit completes pile foundation.
8. a kind of piling machine, including direct driving motor, torque transmission mechanism, drilling rod and drill bit, it is characterised in that: the direct driving motor packet Direct-drive motor shaft, rotor, stator, shell are included, inside the shell, rotor is arranged on the inside of stator, internal rotor for rotor, stator setting Direct-drive motor shaft is set, and direct-drive motor shaft passes through torque transmission mechanism and drilling rod or drill bit through shell, the direct-drive motor shaft It is connected.
9. piling machine according to claim 8, it is characterised in that: the direct driving motor is underlying mode, further includes stake Machine, control device, drill bit are arranged on front side of drilling rod, and drilling rod is connected in direct-drive motor shaft by torque transmission mechanism.
10. piling machine according to claim 8, it is characterised in that: the torque transmission mechanism is to mend core wheel, mends core wheel and includes Roller shaft is arranged in torsion pass idler wheel, roller shaft, roller shaft cover board, attachment device, torsion pass idler wheel centre, and torsion pass idler wheel two sides are idler wheel Shaft-cup plate, multiple torsion idler wheels are linked together by attachment device, are mended core wheel and are arranged on direct driving motor by torsion pass roller mount Lower two sides, direct-drive motor shaft and drilling rod are polygon.
11. piling machine according to claim 8, it is characterised in that: the torque transmission mechanism is keyway arrangements, is set on drilling rod Drilling rod torsion pass key, direct-drive motor shaft setting axis internal key are set, drilling rod torsion pass key and axis internal key are mutual ratcheting structure.
12. piling machine according to claim 8, it is characterised in that: the piling machine is overhead type piling machine, further includes Straight stake machine, control device, in drilling rod lower end, direct driving motor drives direct-drive motor shaft rotation, direct-drive motor shaft lower end for drill bit setting It is direct-connected with the upper end of drilling rod.
CN201810014913.7A 2018-01-08 2018-01-08 A kind of direct driving motor is in the application of piling machinery and piling machine Withdrawn CN109286274A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810014913.7A CN109286274A (en) 2018-01-08 2018-01-08 A kind of direct driving motor is in the application of piling machinery and piling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810014913.7A CN109286274A (en) 2018-01-08 2018-01-08 A kind of direct driving motor is in the application of piling machinery and piling machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112049021A (en) * 2020-09-21 2020-12-08 谢军 Bridge construction method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203669735U (en) * 2014-01-15 2014-06-25 邵金安 Composite power pile work drilling machine
CN105970960A (en) * 2016-06-30 2016-09-28 广东力源液压机械有限公司 Walking pile driver
CN106382095A (en) * 2016-10-13 2017-02-08 广西大学 Mobile heat-dissipation pile driver
CN107124072A (en) * 2017-06-20 2017-09-01 刘志运 A kind of diesel pile driver motor
CN107425662A (en) * 2017-09-11 2017-12-01 刘志运 A kind of impactor motor
CN107461150A (en) * 2017-09-07 2017-12-12 无锡飞述科技有限公司 A kind of piling machine for bridge construction
CN207277335U (en) * 2017-09-29 2018-04-27 武汉谦诚桩工科技股份有限公司 A kind of piling machine using direct driving motor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203669735U (en) * 2014-01-15 2014-06-25 邵金安 Composite power pile work drilling machine
CN105970960A (en) * 2016-06-30 2016-09-28 广东力源液压机械有限公司 Walking pile driver
CN106382095A (en) * 2016-10-13 2017-02-08 广西大学 Mobile heat-dissipation pile driver
CN107124072A (en) * 2017-06-20 2017-09-01 刘志运 A kind of diesel pile driver motor
CN107461150A (en) * 2017-09-07 2017-12-12 无锡飞述科技有限公司 A kind of piling machine for bridge construction
CN107425662A (en) * 2017-09-11 2017-12-01 刘志运 A kind of impactor motor
CN207277335U (en) * 2017-09-29 2018-04-27 武汉谦诚桩工科技股份有限公司 A kind of piling machine using direct driving motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112049021A (en) * 2020-09-21 2020-12-08 谢军 Bridge construction method

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Application publication date: 20190129