CN102839667A - High-power electric-driven vibratory hammer for sand compaction pile construction - Google Patents
High-power electric-driven vibratory hammer for sand compaction pile construction Download PDFInfo
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- CN102839667A CN102839667A CN2012103291391A CN201210329139A CN102839667A CN 102839667 A CN102839667 A CN 102839667A CN 2012103291391 A CN2012103291391 A CN 2012103291391A CN 201210329139 A CN201210329139 A CN 201210329139A CN 102839667 A CN102839667 A CN 102839667A
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- 239000004576 sand Substances 0.000 title claims abstract description 28
- 238000005056 compaction Methods 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000013307 optical fiber Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims abstract description 4
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 238000012423 maintenance Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 7
- SFKQVVDKFKYTNA-OGNLOKFRSA-N (2S)-N-[(2R)-6-amino-1-[(2-amino-2-oxoethyl)amino]-1-oxohexan-2-yl]-1-[(4R,7S,10S,13S,16S,19R)-19-amino-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-13,16-dibenzyl-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]pyrrolidine-2-carboxamide Chemical compound NCCCC[C@@H](NC(=O)[C@@H]1CCCN1C(=O)[C@@H]1CSSC[C@H](N)C(=O)N[C@@H](Cc2ccccc2)C(=O)N[C@@H](Cc2ccccc2)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(N)=O)C(=O)N1)C(=O)NCC(N)=O SFKQVVDKFKYTNA-OGNLOKFRSA-N 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
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- 230000001133 acceleration Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
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- 238000012545 processing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a high-power electric-driven vibratory hammer for sand compaction pile construction. The vibratory hammer comprises a main motor, a secondary motor, two belt transmission systems, a vibration exciter and an electric driving system, wherein the power of the main motor is more than or equal to 250kW; and the electric driving system comprises a main variable frequency inverter, a secondary variable frequency inverter, an optical fiber variable frequency control system and a filter. The main variable frequency inverter and the secondary variable frequency inverter can be synchronous by the high-speed fiber-optic link; the torque output of the secondary motor is refreshed and adjusted at a speed of 2 millisecond by the main variable frequency inverter based on the running torque signal of the main motor in the speed acceleration, speed reduction and constant speed running processes of the system to match the torque output of the secondary motor with that of the main motor so as to equally distribute the output loads of the main motor and the secondary motor. The high-power electric-driven vibratory hammer for sand compaction pile construction can guarantee the consistent torque outputs of the main motor and the secondary motor of the vibratory hammer, the dynamic equal distribution of the output load, adaptability to a pile driving barge power supply system with unstable voltage, stability and reliability in work, and effective prolonging of the service life of equipment.
Description
Technical field
The present invention relates to a kind of large power, electrically and drive vibrating hammer, more particularly, relate to a kind of off-lying sea and build in port, marine man-made island and the marine wind electric field construction sand compaction pile construction of ground consolidation process is driven vibrating hammer with large power, electrically.
Background technology
At present; Along with the development and utilization of marine resources; Compacted formula sand pile under water becomes China's a kind of bedding processing new technology, builds in the off-lying sea in the ocean engineerings such as port, man-made island construction, marine wind electric field, bridge spanning the sea and offshore oil platform to have unrivaled technical advantage.This technology is on specialized ships, to force sand to be pressed under water in the soft foundation through vibratory equipment and tube chamber supercharging device, through vibration pipe-drawing, return, compacted hole enlargement, thereby form the purpose that major diameter close sand cylinder reaches the displacement soft foundation.Sand compaction pile can be applicable to the ground stabilization processing of nearly all soil properties such as sandy soil, cohesive soil and organic soil under water; Compare with common sand pile; Have that density height, reinforcement replacement rate reach 70%, characteristics such as degree of depth 60m and sand pile diameter 2m under water, simultaneously, because the high replacement ratio composite foundation that forms of sand compaction pile has higher capacity, lower compressibilty under water; Make it can with the superstructure integrated application of various ways; Therefore, Technological Economy property is better, can effectively reduce construction costs.According to the construction characteristic of compacted formula sand pile, the vibratory equipment that needs must have main stable operating current, bigger working amplitude, and suitable vibration acceleration and exciting force, to improve the pile sinking effect and the operating efficiency of sand compaction pile.Therefore; The sand compaction pile construction is driven vibrating hammer to the electricity more than 500 kW has had the further market demand; And the peak power of separate unit motor is 300kW at present; Reach the above general power of 500kW, can only adopt the scheme of two above motors of 250kW through gear train assembly driven in common vibrator.But maximum difficult point is in this scheme; Two motors exist certain driving error when adopting hard connecting mode to be connected to same gear train assembly; Can make two motors can not reach on all four rotating speed, it is inconsistent to cause vibrating hammer that unbalanced, the power output of exerting oneself of two motors will inevitably take place in pile sinking work operations process, even can occur that a motor is exerted oneself, another motor is the situation of resistance; Thereby reduce the operating efficiency of vibrating hammer greatly; Also can cause to exceed normal mechanical wear, even cause network system tripping operation and cause electricity to drive vibrating hammer to stop, had a strong impact on the construction speed and the operating efficiency of sand compaction pile.
Summary of the invention
The objective of the invention is to according to the deficiency that exists in the prior art, provide that a kind of torque output that can guarantee two motors is consistent, the output load consecutive mean distributes, adapt to the pile driving barge electric power system of spread of voltage, the sand compaction pile construction that working stability reliably, effectively improves application life is driven vibrating hammer with large power, electrically.
The present invention realizes through following technical scheme:
A kind of sand compaction pile construction is driven vibrating hammer with large power, electrically; Comprise the main motor of moving rate >=250kW and from motor, two belt drive systems, vibrator and electrical drive systems, wherein: vibrator comprises casing, four eccentric shafts that are square arranged at right angles; It is characterized in that: said main motor and be installed on the outer tip end of casing from motor side by side; The driving wheel of said belt drive system is installed on main motor respectively and from the shaft extension of motor, its driven pulley is installed on the input of eccentric shaft respectively; Said electrical drive system comprise contain main transformer frequently controller, from frequency-variable controller, connect main transformer controller and from the optical fiber of frequency-variable controller, frequency-changing control system, first wave filter and second wave filter, first air switch and second air switch, the first maintenance air switch and the second maintenance air switch of operation control device frequently; First air switch and second air switch are through respectively doing for oneself three first fuse and the parallelly connected connection with three-phase alternating current of second fuse; And their output be connected respectively to main transformer frequently controller three inputs and from three inputs of frequency-variable controller; Main transformer frequently controller three outputs and be connected respectively to the input of the first maintenance air switch and the second maintenance air switch from three outputs of frequency-variable controller; The output of the first maintenance air switch and the second maintenance air switch is connected respectively to three inputs of first wave filter and second wave filter; The output of first wave filter and second wave filter is connected main motor respectively and from motor, said main transformer controller frequently reaches synchronous with being connected through optical fiber from frequency-variable controller.
The present invention can be; Said optical fiber is high speed fibre; In system's raising speed, reduction of speed and constant-speed operation process; The main transformer frequently controller operation dtc signal of press main motor can be regulated the torque output from motor with 2 milliseconds refresh rate, makes it and the main motor coupling realization main motor and from the dynamic mean allocation of motor output load.
The present invention can be still; The operation control device of said frequency-changing control system comprises voltmeter, ammeter, motor speed table, motor torque table, motor speed adjusting knob and the starting switch on the setting operation panel; At the frequency-changing control system of electrical drive system after energising; With the parameter of operating voltage, rated current input frequency-changing control system, main transformer frequently controller and read voltage and rated current respectively from frequency-variable controller after, press starting switch; Main motor and from motor operation; Drive vibrator through two belt drive systems and make electricity drive the vibrating hammer operation, and can regulate the different output torque of motor through the motor speed adjusting knob on the guidance panel of regulating frequency-changing control system.
The present invention can be still, and said frequency-changing control system has the power supply input characteristics of wide voltage of 323-475V and 48-63Hz broadband.
The present invention can be still, and said frequency-changing control system is provided with two kinds of preference patterns of this locality/Long-distance Control, when selecting " local control ", can directly on the guidance panel of frequency-changing control system, start, stop and speed governing; When selecting " Long-distance Control ", can connect level controlling system and start, stop and speed governing.
The present invention can be still, and heat dissipating ring is all installed in the inner edge end of the driven pulley of said belt drive system, and this heat dissipating ring has a plurality of blades of evenly arranging along its radial direction, and this blade tilts in the same direction, and the angle that forms between the base plate=75～90 °.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 drives the structural representation of vibrating hammer with large power, electrically for sand compaction pile construction of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is electrical drive system principle schematic among the present invention;
Fig. 4 is the operation control device sketch map of electrical drive system among the present invention;
Fig. 5 be among Fig. 1 A-A to sectional view;
Fig. 6 be among Fig. 4 B-B to partial sectional view.
The specific embodiment
Shown in Fig. 1-6; A kind of sand compaction pile construction is driven vibrating hammer with large power, electrically; Comprise the main motor M1 of moving rate >=250kW and from motor M2, two belt drive systems 2 and 2, vibrator 3 and electrical drive system; Wherein: vibrator 3 comprises that 31, four of casings are the eccentric shaft 37,37 ', 39 and 39 ' of square arranged at right angles; It is characterized in that: said main motor M1 and rise outer tip end opposing, be installed on casing 31 side by side with screw bolt and nut from motor M2 axle; The driving wheel of said belt drive system 2,2 is installed on main motor M1 respectively and from the shaft extension of motor M2; Its driven pulley 22,22 ' is installed on eccentric shaft 37,37 ' input respectively; Eccentric shaft 37,37 ' be should go up and eccentric block, travelling gear and synchromesh gear all were fixed with; Should go up eccentric shaft 37,37 ' and constitute a biaxially oriented inertia and divide vibrator, power passes to down the travelling gear of eccentric shaft 39 and 39 ', transmission termination by travelling gear, the transition gear of this minute vibrator; Equally; Therefore following eccentric shaft 39 and 39 ' all is fixed with eccentric block and synchromesh gear, and also forming a biaxially oriented inertia divides vibrator, and electricity drives vibrating hammer and divides at two biaxially oriented inertia under the effect of vibrator and carry out the pile vibrosinking operation.
Said electrical drive system comprise contain main transformer frequently controller UF1, from frequency-variable controller UF2, connect main transformer controller UF1 and from the optical fiber 5 of frequency-variable controller UF2, frequency-changing control system, the first wave filter PLV1 and the second wave filter PLV2, the first air switch QF1 and the second air switch QF2, the first maintenance air switch QF10 and the second maintenance air switch QF20 of operation control device 6 frequently; The first air switch QF1 and the second air switch QF2 are through respectively doing for oneself three the first fuse FU1 and the parallelly connected connection with three-phase alternating current of the second fuse FU2; And their output be connected respectively to main transformer frequently controller UF1 three input U11 and from three input U21 of frequency-variable controller UF2; Main transformer frequently controller UF1 three output U12 and be connected respectively to the input of the first maintenance air switch QF10 and the second maintenance air switch QF20 from three output U22 of frequency-variable controller UF2; The output of the first maintenance air switch QF10 and the second maintenance air switch QF20 is connected respectively to three input U13 of the first wave filter PLV1 and three input U23 of the second wave filter PLV2; The output of the first wave filter PLV1 and the second wave filter PLV2 is connected main motor M1 respectively and from motor M2; Avoid the interference of frequency-variable controller to other control element; Alleviate the crest voltage of frequency-variable controller output, effectively alleviate motor is damaged; Said main transformer controller UF1 frequently reaches synchronous with being connected through optical fiber 5 from frequency-variable controller UF2; Said optical fiber is high speed fibre; In system's raising speed, reduction of speed and constant-speed operation process; Main transformer frequency controller UF1 presses the operation dtc signal of main motor M1 and regulates the torque output from motor M2 with 2 milliseconds refresh rate; Make it and main motor M1 coupling, realize main motor M1 and from the dynamic mean allocation of motor M2 output load; The operation control device 6 of said frequency-changing control system comprises voltmeter 61, ammeter 62, motor speed table 63, motor torque table 64, motor speed adjusting knob 65 and the starting switch 66 on the setting operation panel; At the frequency-changing control system of electrical drive system after energising; Operating voltage 380V, rated current 280A are imported frequency-changing control system; Main transformer frequently controller UF1 and read voltage and rated current respectively from frequency-variable controller UF2 after; Press starting switch 66; Main motor M1 and from motor M2 running drives vibrator 3 through two belt drive systems 2,2 ' and makes electricity drive the vibrating hammer operation, and can be through the motor speed adjusting knob 65 on the guidance panel of regulating frequency-changing control system; Regulate the different output torque of motor, adapt to different phase and stratum needs in the sand compaction pile construction operation process; Said frequency-changing control system has the power supply input characteristics of wide voltage of 323-475V and 48-63Hz broadband, can adapt to the situation of the easy fluctuation of house generator voltage on the pile driving barge; Said frequency-changing control system is provided with 67 2 kinds of preference patterns of this locality/Long-distance Control, when selecting " local control ", can directly on the guidance panel of frequency-changing control system, start, stop and speed governing; When selecting " Long-distance Control ", can connect level controlling system and start, stop and speed governing.
When large power, electrically drives vibrating hammer when carrying out marine sand compaction pile operation; Because heat dissipating ring 4 is all installed in belt drive system 2,2 ' driven pulley 22,22 ' inner edge end; This heat dissipating ring 4 has a plurality of blades of evenly arranging along its radial direction 42, and this blade 42 tilts in the same direction, and angle=75～90 of formation between the base plate 41 °; The a plurality of blades 42 that are provided with on the heat dissipating ring 1 just can be to the blowing that circulates of vibrator 3 and bearing end; Help vibrator, bearing (ball) cover and obtain sufficient external heat radiation cooling, the cooling-down effect and the application life of further improving bearing, guarantee that electricity drives the vibrating hammer reliable operation; Improve its continuous firing ability, improve the pile foundation operating efficiency greatly.
Claims (6)
1. a sand compaction pile construction is driven vibrating hammer with large power, electrically; Comprise the main motor (M1) of moving rate >=250kW and from motor (M2), two belt drive systems (2; 2 '), vibrator (3) and electrical drive system, wherein: vibrator (3) comprises casing (31), four eccentric shafts (37,37 ' that are square arranged at right angles; 39,39 '); It is characterized in that: said main motor (M1) and be installed on the outer tip end of casing (31) from motor (M2) side by side; The driving wheel of said belt drive system (2,2 ') is installed on main motor (M1) respectively and from the shaft extension of motor (M2), its driven pulley (22,22 ') is installed on the eccentric shaft input of (37,37 ') respectively; Said electrical drive system comprise contain main transformer frequently controller (UF1), from frequency-variable controller (UF2), connect main transformer controller (UF1) and from the optical fiber (5) of frequency-variable controller (UF2), frequency-changing control system, first wave filter and the second wave filter (PLV1 of operation control device (6) frequently; PLV2), first air switch and the second air switch (QF1; QF2), the first maintenance air switch and the second maintenance air switch (QF10; QF20); First air switch and the second air switch (QF1; QF2) through respectively doing for oneself three first fuse and the second fuse (FU1; FU2) parallelly connected connection with three-phase alternating current, and their output be connected respectively to main transformer frequently controller (UF1) three inputs (U11) and from three inputs (U21) of frequency-variable controller (UF2), main transformer frequently controller (UF1) three outputs (U12) and be connected respectively to the first maintenance air switch and the second maintenance air switch (QF10 from three outputs (U22) of frequency-variable controller (UF2); QF20) input; (QF10, output QF20) are connected respectively to first wave filter and second wave filter (PLV1, three input (U13 PLV2) for the first maintenance air switch and the second maintenance air switch; U23); (PLV1, output PLV2) connect main motor (M1) respectively and from motor (M2), said main transformer controller (UF1) frequently reaches synchronous with being connected through optical fiber (5) from frequency-variable controller (UF2) for first wave filter and second wave filter.
2. sand compaction pile construction according to claim 1 is driven vibrating hammer with large power, electrically; It is characterized in that said optical fiber (5) is high speed fibre; In system's raising speed, reduction of speed and constant-speed operation process; Main transformer frequency controller (UF1) is pressed the operation dtc signal of main motor (M1) can regulate the torque output from motor (M2) with 2 milliseconds refresh rate; Make it and main motor (M1) coupling, realize main motor (M1) and from the dynamic mean allocation of motor (M2) output load.
3. sand compaction pile construction according to claim 1 is driven vibrating hammer with large power, electrically; The operation control device (6) that it is characterized in that said frequency-changing control system comprises voltmeter (61), ammeter (62), motor speed table (63), motor torque table (64), motor speed adjusting knob (65) and starting switch (66) on the setting operation panel; At the frequency-changing control system of electrical drive system after energising; Parameter input frequency-changing control system with operating voltage, rated current; Main transformer frequently controller (UF1) and read voltage and rated current respectively from frequency-variable controller (UF2) after, press starting switch (66), main motor (M1) and turn round from motor (M2); Through two belt drive systems (2; 2 ') drive vibrator (3) and make electricity drive the vibrating hammer operation, and can regulate the different output torque of motor through the motor speed adjusting knob (65) on the guidance panel of regulating frequency-changing control system.
4. sand compaction pile construction according to claim 1 and 2 is driven vibrating hammer with large power, electrically, it is characterized in that said frequency-changing control system has the power supply input characteristics of wide voltage of 323-475V and 48-63Hz broadband.
5. drive vibrating hammer according to claim 1 or 3 described sand compaction pile constructions with large power, electrically; It is characterized in that said frequency-changing control system is provided with (67) two kinds of preference patterns of this locality/Long-distance Control; When selecting " local control ", can directly on the guidance panel of frequency-changing control system, start, stop and speed governing; When selecting " Long-distance Control ", can connect level controlling system and start, stop and speed governing.
6. sand compaction pile construction according to claim 1 is driven vibrating hammer with large power, electrically; It is characterized in that said belt drive system (2; Heat dissipating ring (44) is all installed in the inner edge end of driven pulley 2 ') (22,22 '), and this heat dissipating ring (44) has a plurality of blades of evenly arranging along its radial direction (42); This blade (42) tilts in the same direction, and angle=75～90 that form between the base plate (41) °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210329139.1A CN102839667B (en) | 2012-09-07 | 2012-09-07 | A kind of high-power electric-driven vibratory hammer for sand compaction pile construction |
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| CN201210329139.1A CN102839667B (en) | 2012-09-07 | 2012-09-07 | A kind of high-power electric-driven vibratory hammer for sand compaction pile construction |
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| CN102839667B CN102839667B (en) | 2015-10-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452087A (en) * | 2013-08-21 | 2013-12-18 | 浙江江南春建设集团有限公司 | Construction method for erecting steel frame platform by utilizing eccentric vibrator |
| CN104028709A (en) * | 2014-05-28 | 2014-09-10 | 宁夏共享模具有限公司 | Sand spreading and compaction device for 3D printing |
| CN110552341A (en) * | 2019-08-05 | 2019-12-10 | 徐州贝峰机械制造有限公司 | Electric excitation vibration pile hammer equipment of engineering machinery |
| WO2022023254A1 (en) | 2020-07-30 | 2022-02-03 | Ajd-Solutions B.V. | Vibratory hammer with electric motor |
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| CN2052784U (en) * | 1989-07-05 | 1990-02-14 | 湖南省桩机制造厂 | Frequency and amplitude modulated vibration hammer |
| CN101886389A (en) * | 2010-06-24 | 2010-11-17 | 河海大学常州校区 | Control system for eccentric moment and striking frequency of vibrating pile driver |
| JP2012136910A (en) * | 2010-12-28 | 2012-07-19 | Chowa Kogyo Kk | Hydraulic vibration hammer and operation method thereof, and pile driving method |
| CN202830914U (en) * | 2012-09-07 | 2013-03-27 | 中交第三航务工程局有限公司 | High-power electric-driven vibratory hammer for sand compaction pile construction |
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2012
- 2012-09-07 CN CN201210329139.1A patent/CN102839667B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052784U (en) * | 1989-07-05 | 1990-02-14 | 湖南省桩机制造厂 | Frequency and amplitude modulated vibration hammer |
| CN101886389A (en) * | 2010-06-24 | 2010-11-17 | 河海大学常州校区 | Control system for eccentric moment and striking frequency of vibrating pile driver |
| JP2012136910A (en) * | 2010-12-28 | 2012-07-19 | Chowa Kogyo Kk | Hydraulic vibration hammer and operation method thereof, and pile driving method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452087A (en) * | 2013-08-21 | 2013-12-18 | 浙江江南春建设集团有限公司 | Construction method for erecting steel frame platform by utilizing eccentric vibrator |
| CN103452087B (en) * | 2013-08-21 | 2016-05-04 | 浙江江南春建设集团有限公司 | Bias is vibrated and is set up steelframe platform construction engineering method |
| CN104028709A (en) * | 2014-05-28 | 2014-09-10 | 宁夏共享模具有限公司 | Sand spreading and compaction device for 3D printing |
| CN110552341A (en) * | 2019-08-05 | 2019-12-10 | 徐州贝峰机械制造有限公司 | Electric excitation vibration pile hammer equipment of engineering machinery |
| WO2022023254A1 (en) | 2020-07-30 | 2022-02-03 | Ajd-Solutions B.V. | Vibratory hammer with electric motor |
| NL2026179B1 (en) | 2020-07-30 | 2022-04-04 | Ajd Solutions B V | Vibratory hammer with electric motor |
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| CN102839667B (en) | 2015-10-28 |
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