CN102839667B - A kind of high-power electric-driven vibratory hammer for sand compaction pile construction - Google Patents
A kind of high-power electric-driven vibratory hammer for sand compaction pile construction Download PDFInfo
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- CN102839667B CN102839667B CN201210329139.1A CN201210329139A CN102839667B CN 102839667 B CN102839667 B CN 102839667B CN 201210329139 A CN201210329139 A CN 201210329139A CN 102839667 B CN102839667 B CN 102839667B
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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 21
- 239000013307 optical fiber Substances 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A kind of high-power electric-driven vibratory hammer for sand compaction pile construction, a kind of high-power electric-driven vibratory hammer for sand compaction pile construction, comprise power >=250kW main motor and from motor, two belt drive systems, vibrator and electrical drive system, described electrical drive system comprises containing main frequency-variable controller, from frequency-changing control system and the wave filter of frequency-variable controller and optical fiber, described main frequency-variable controller reaches synchronous with being connected from frequency-variable controller by high speed fibre, in system raising speed, in reduction of speed and constant speed operation, the operation dtc signal that main frequency-variable controller presses main motor exports from the torque of motor with 2 milliseconds of speed refreshing adjustments, make it to mate with main motor, realize main, from the dynamic mean allocation of motor output load, the present invention can ensure that the torque of vibrating hammer principal and subordinate motor exports unanimously, output load consecutive mean distributes, the pile driving barge electric power system of adaptation spread of voltage, working stability reliably, effectively improve 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 that port is built in a kind of off-lying sea, marine man-made island and marine wind electric field build in high-power electric-driven vibratory hammer for sand compaction pile construction to stiffening basic ground.
Background technology
At present, along with the development and utilization of marine resources, compacted formula under water sand pile becomes a kind of foundation bed treatment new technology of China, builds in the ocean engineerings such as port, man-made island construction, marine wind electric field, bridge spanning the sea and offshore oil platform have unrivaled technical advantage in off-lying sea.This technology by vibratory equipment and tube chamber supercharging device, sand is forced to be pressed under water in soft foundation on specialized ships, through vibration pipe-drawing, return, compacted expanding, form major diameter close sand cylinder thus reach the object of displacement soft foundation.Underwater sand compaction pile can be applicable to the stiffening basic ground of nearly all soil properties such as sandy soil, cohesive soil and organic soil, compared with common sand pile, have that density is high, the feature such as reinforcement replacement rate reaches 70%, depth under water 60m and sand pile diameter 2m, simultaneously, the high replacement ratio composite foundation formed due to underwater sand compaction pile has higher bearing capacity, lower compressibilty, it can be integrated with the superstructure of various ways apply, therefore, Technical Economy is better, effectively can reduce construction costs.According to the construction characteristic of compacted formula sand pile, the vibratory equipment of needs must have main stable operating current, larger working amplitude, and suitable vibration acceleration and exciting force, to improve pile sinking effect and the operating efficiency of sand compaction pile.Therefore, sand compaction pile construction drives vibrating hammer to the electricity of 500 more than kW the further market demand, and the peak power of single motor is 300kW at present, reach the general power of more than 500kW, two more than 250kW motors can only be adopted by gear train assembly jointly to be driven the scheme of vibrator.But maximum difficult point is in the program, two motors also exist certain driving error when adopting hard connecting mode to be connected to same gear train assembly, two motors can be made can not to reach on all four rotating speed, causing vibrating hammer that two motors will inevitably occur in pile sinking work operations process exerts oneself unbalanced, power stage is inconsistent, even there will be a motor to exert oneself, another motor is the situation of resistance, thus greatly reduce the operating efficiency of vibrating hammer, also can cause and exceed normal mechanical wear, even cause network system to trip and cause electricity to drive vibrating hammer parking, construction speed and the operating efficiency of sand compaction pile are had a strong impact on.
Summary of the invention
The object of the invention is to according to the deficiencies in the prior art, provide a kind of and can ensure that the torque output of two motors is consistent, output load consecutive mean distributes, reliable, the effective high-power electric-driven vibratory hammer for sand compaction pile construction improving application life of the pile driving barge electric power system of adaptation spread of voltage, working stability.
The present invention is achieved through the following technical solutions:
A kind of high-power electric-driven vibratory hammer for sand compaction pile construction, comprise power >=250kW main motor and from motor, two belt drive systems, vibrator and electrical drive systems, wherein: vibrator comprises casing, four in the upper eccentric shaft of square arranged at right angles with lower eccentric shaft, it is characterized in that: described main motor and be installed on the outer tip end of casing from motor side by side, the driving wheel of described belt drive system is installed on main motor and the shaft extension from motor respectively, and its driven pulley is installed on the input of eccentric shaft respectively, described electrical drive system comprises containing main frequency-variable controller, from frequency-variable controller, connect main frequency-variable controller and the optical fiber from frequency-variable controller, the frequency-changing control system of operation control device, first wave filter and the second wave filter, first air switch and the second air switch, first maintenance air switch and the second maintenance air switch, first air switch and the second air switch are by being first fuse of three and the second fuse is in parallel with three-phase alternating current connects separately, and their output is connected respectively to three inputs of main frequency-variable controller and three inputs from frequency-variable controller, three outputs of main frequency-variable controller 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 the first wave filter and the second wave filter, first wave filter is connected main motor with the output of the second wave filter and respectively from motor, described main frequency-variable controller and reach synchronous by Fiber connection from frequency-variable controller.
The present invention can be, described optical fiber is high speed fibre, in system raising speed, reduction of speed and constant speed operation, the operation dtc signal that main frequency-variable controller presses main motor can export from the torque of motor with the refresh rate of 2 milliseconds adjustment, make it to mate with main motor, realize main motor and from the dynamic mean allocation of motor output load.
The present invention can be still, the operation control device of described frequency-changing control system comprises the voltmeter on setting operation panel, ammeter, motor speed table, motor torque table, motor speed adjusting knob and starting switch, electrical drive system frequency-changing control system after powered up, by operating voltage, the parameters input frequency-changing control system of rated current, at main frequency-variable controller with after reading voltage and rated current respectively from frequency-variable controller, press starting switch, main motor and from motor operation, drive vibrator to make electricity drive vibrating hammer by two belt drive systems to run, and by regulating the motor speed adjusting knob on the guidance panel of frequency-changing control system, regulate the Driving Torque that motor is different.
The present invention can still, and described frequency-changing control system has the power supply input characteristics of 323-475V Width funtion and 48-63Hz broadband.
The present invention can still, and described frequency-changing control system arranges local/remote and controls two kinds of selection modes, when selecting " local control ", can directly carry out starting, stopping and speed governing on the guidance panel of frequency-changing control system; When selecting " Long-distance Control ", upper-level control system can be connected and carry out starting, stopping and speed governing.
The present invention can still, and the inner peripheral end of the driven pulley of described belt drive system all installs heat dissipating ring, and this heat dissipating ring has the blade that multiple radially direction is evenly arranged, and this blade tilts in the same direction, and angle α=75 ~ 90 ° formed between base plate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural representation of high-power electric-driven vibratory hammer 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 in the present invention;
Fig. 4 is the operation control device schematic diagram of electrical drive system in the present invention;
Fig. 5 be in Fig. 1 A-A to sectional view;
Fig. 6 be in Fig. 4 B-B to partial sectional view.
Detailed description of the invention
As shown in figures 1 to 6, a kind of high-power electric-driven vibratory hammer for sand compaction pile construction, comprise power >=250kW main motor M1 and from motor M2, two belt drive systems 2 and 2, vibrator 3 and electrical drive systems, wherein: vibrator 3 comprises casing 31, four is the upper eccentric shaft 37,37 ' of square arranged at right angles and lower eccentric shaft 39 and 39 ', it is characterized in that: described main motor M1 and outer tip end opposing from motor M2 axle liter, be installed on casing 31 side by side with screw bolt and nut, described belt drive system 2, the driving wheel of 2 is installed on main motor M1 and the shaft extension from motor M2 respectively, its driven pulley 22, 22 ' is installed on eccentric shaft 37 respectively, the input of 37 ', eccentric shaft 37 on this, 37 ' are all fixed with eccentric block, travelling gear and synchromesh gear, eccentric shaft 37 on this, 37 ' forms a biaxially oriented inertia divides vibrator, power is by the travelling gear of this point of vibrator, transition gear passes to the travelling gear of lower eccentric shaft 39 and 39 ', transmission stops, equally, lower eccentric shaft 39 and 39 ' is all fixed with eccentric block and synchromesh gear, therefore also form a biaxially oriented inertia and divide vibrator, electricity drives vibrating hammer and carry out pile vibrosinking operation under two biaxially oriented inertia divides the effect of vibrator.
Described electrical drive system comprises containing main frequency-variable controller UF1, from frequency-variable controller UF2, connect main frequency-variable controller UF1 and the optical fiber 5 from frequency-variable controller UF2, the frequency-changing control system of operation control device 6, first wave filter PLV1 and the second wave filter PLV2, first air switch QF1 and the second air switch QF2, first maintenance air switch QF10 and second maintenance air switch QF20, first air switch QF1 and the second air switch QF2 is by being the first fuse FU1 of three and the second fuse FU2 is in parallel with three-phase alternating current connects separately, and their output is connected respectively to three input U11 of main frequency-variable controller UF1 and three input U21 from frequency-variable controller UF2, three output U12 of main frequency-variable controller UF1 and be connected respectively to the input of the first maintenance air switch QF10 and second maintenance air switch QF20 from three output U22 of frequency-variable controller UF2, the output of the first maintenance air switch QF10 and 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, first wave filter PLV1 is connected main motor M1 with the output of the second wave filter PLV2 and respectively from motor M2, avoid frequency-variable controller to the interference of other control element, alleviate the crest voltage that frequency-variable controller exports, effectively alleviate and motor is damaged, described main frequency-variable controller UF1 reaches synchronous with being connected from frequency-variable controller UF2 by optical fiber 5, described optical fiber is high speed fibre, in system raising speed, reduction of speed and constant speed operation, the operation dtc signal that main frequency-variable controller UF1 presses main motor M1 exports from the torque of motor M2 with the refresh rate of 2 milliseconds adjustment, make it to mate with main motor M1, realize main motor M1 and from the dynamic mean allocation of motor M2 output load, the operation control device 6 of described frequency-changing control system comprises the voltmeter 61 be arranged on guidance panel, ammeter 62, motor speed table 63, motor torque table 64, motor speed adjusting knob 65 and starting switch 66, after the frequency-changing control system energising of electrical drive system, by operating voltage 380V, rated current 280A inputs frequency-changing control system, at main frequency-variable controller UF1 with after reading voltage and rated current respectively from frequency-variable controller UF2, press starting switch 66, main motor M1 and operating from motor M2, by two belt drive systems 2, 2 ' drives vibrator 3 to make electricity drive vibrating hammer runs, and by regulating the motor speed adjusting knob 65 on the guidance panel of frequency-changing control system, regulate the Driving Torque that motor is different, adapt to the different phase in sand compaction pile construction operation process and stratum needs, described frequency-changing control system has the power supply input characteristics of 323-475V Width funtion and 48-63Hz broadband, can adapt to the situation that on pile driving barge, house generator voltage easily fluctuates, described frequency-changing control system arranges local/remote and controls 67 2 kinds of selection modes, when selecting " local control ", can directly carry out starting, stopping and speed governing on the guidance panel of frequency-changing control system, when selecting " Long-distance Control ", upper-level control system can be connected and carry out starting, stopping and speed governing.
When large power, electrically drives vibrating hammer when carrying out marine sand compaction pile operation, due to belt drive system 2, the driven pulley 22 of 2 ', the inner peripheral end of 22 ' all installs heat dissipating ring 4, this heat dissipating ring 4 has the blade 42 that multiple radially direction is evenly arranged, this blade 42 tilts in the same direction, and angle α=75 ~ 90 ° formed between base plate 41, multiple blades 42 that heat dissipating ring 1 is arranged just can carry out circulation blowing to vibrator 3 and bearing end, be conducive to vibrator, bearing (ball) cover obtains sufficient external cooling, the cooling-down effect of further raising bearing and application life, guarantee that electricity drives vibrating hammer reliable operation, improve its continuous firing ability, greatly improve pile foundation operating efficiency.
Claims (6)
1. a high-power electric-driven vibratory hammer for sand compaction pile construction, comprise power >=250kW main motor (M1) and from motor (M2), two belt drive systems (2,2 '), vibrator (3) and electrical drive system, wherein: vibrator (3) comprises casing (31), four upper eccentric shafts (37 in square arranged at right angles, 37 ') and lower eccentric shaft (39,39 '), it is characterized in that: described main motor (M1) and be installed on the outer tip end of casing (31) from motor (M2) side by side, the driving wheel of described belt drive system (2,2 ') is installed on main motor (M1) and the shaft extension from motor (M2) respectively, and its driven pulley (22,22 ') is installed on the input of eccentric shaft (37,37 ') respectively, described electrical drive system comprises containing main frequency-variable controller (UF1), from frequency-variable controller (UF2), connect main frequency-variable controller (UF1) and the optical fiber (5) from frequency-variable controller (UF2), the frequency-changing control system of operation control device (6), first wave filter and the second wave filter (PLV1, PLV2), first air switch and the second air switch (QF1, QF2), first maintenance air switch and the second maintenance air switch (QF10, QF20), first air switch and the second air switch (QF1, QF2) the first fuse and the second fuse (FU1 by being three separately, FU2) in parallelly with three-phase alternating current to connect, and their output is connected respectively to three inputs (U11) of main frequency-variable controller (UF1) and three inputs (U21) from frequency-variable controller (UF2), three outputs (U12) of main frequency-variable controller (UF1) 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, first maintenance air switch and the second maintenance air switch (QF10, QF20) output is connected respectively to the first wave filter and the second wave filter (PLV1, PLV2) three input (U13, U23), first wave filter and the second wave filter (PLV1, PLV2) output connects main motor (M1) and respectively from motor (M2), described main frequency-variable controller (UF1) reaches synchronous with being connected from frequency-variable controller (UF2) by optical fiber (5).
2. high-power electric-driven vibratory hammer for sand compaction pile construction according to claim 1, it is characterized in that described optical fiber (5) is high speed fibre, in system raising speed, reduction of speed and constant speed operation, main frequency-variable controller (UF1) can regulate with the refresh rate of 2 milliseconds by the operation dtc signal of main motor (M1) and export from the torque of motor (M2), make it to mate with main motor (M1), realize main motor (M1) and from the dynamic mean allocation of motor (M2) output load.
3. high-power electric-driven vibratory hammer for sand compaction pile construction according to claim 1, it is characterized in that the operation control device (6) of described frequency-changing control system comprises the voltmeter (61) be arranged on guidance panel, ammeter (62), motor speed table (63), motor torque table (64), motor speed adjusting knob (65) and starting switch (66), electrical drive system frequency-changing control system after powered up, by operating voltage, the parameters input frequency-changing control system of rated current, at main frequency-variable controller (UF1) with after reading voltage and rated current respectively from frequency-variable controller (UF2), press starting switch (66), main motor (M1) and operating from motor (M2), by two belt drive systems (2, 2 ') drive vibrator (3) to make electricity drive vibrating hammer to run, and by regulating the motor speed adjusting knob (65) on the guidance panel of frequency-changing control system, regulate the Driving Torque that motor is different.
4. high-power electric-driven vibratory hammer for sand compaction pile construction according to claim 1 and 2, is characterized in that described frequency-changing control system has the power supply input characteristics of 323-475V Width funtion and 48-63Hz broadband.
5. the high-power electric-driven vibratory hammer for sand compaction pile construction according to claim 1 or 3, it is characterized in that described frequency-changing control system arranges local/remote and controls (67) two kinds of selection modes, when selecting " local control ", can directly carry out starting, stopping and speed governing on the guidance panel of frequency-changing control system; When selecting " Long-distance Control ", upper-level control system can be connected and carry out starting, stopping and speed governing.
6. high-power electric-driven vibratory hammer for sand compaction pile construction according to claim 1, it is characterized in that described belt drive system (2,2 ') driven pulley (22,22 ') inner peripheral end all installs heat dissipating ring (44), this heat dissipating ring (44) has the blade (42) that multiple radially direction is evenly arranged, this blade (42) tilts in the same direction, and angle α=75 ~ 90 ° formed between base plate (41).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN102839667A CN102839667A (en) | 2012-12-26 |
| CN102839667B true CN102839667B (en) | 2015-10-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN104028709B (en) * | 2014-05-28 | 2017-03-01 | 宁夏共享模具有限公司 | A kind of sanding of 3D printing and mold compacting device |
| 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 |
| NL2026179B9 (en) | 2020-07-30 | 2022-06-29 | Electric Found Equipment B V | Vibratory hammer with electric motor |
Citations (3)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5444205B2 (en) * | 2010-12-28 | 2014-03-19 | 調和工業株式会社 | Hydraulic vibro hammer, operation method thereof, and pile driving method |
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2012
- 2012-09-07 CN CN201210329139.1A patent/CN102839667B/en active Active
Patent Citations (3)
| 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 |
| 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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