EP Series Resonance Free Variable Frequency and Eccentric Moment Vibro Hammer

EP series eccentricity stepless adjustable electric drive vibrating pile hammer is a new series of products jointly developed by our company, Beijing Institute of Construction Mechanization and Japan Construction Engineering Co., Ltd. This series of products has won the first prize of scientific and technological progress of the Ministry of Construction, and is listed as a guide project for the promotion and transformation of scientific and technological achievements of the Ministry of Construction; exported to Japan, it is known as the "new era pile hammer", and the Ministry of Construction of Japan (now the Ministry of Land, Infrastructure, Transport and Tourism) has approved this series of models Tested and evaluated, and listed as a product for the promotion and use of new technologies.

Product Consultation

Product Performance

EP Series Resonance Free Variable Frequency and Eccentric Moment Vibro Hammer is a new series of products jointly developed by our company, Beijing Institute of Construction Mechanization and Japan Construction Engineering Co., Ltd. This series of products has won the first prize of scientific and technological progress of the Ministry of Construction, and is listed as a guide project for the promotion and transformation of scientific and technological achievements of the Ministry of Construction; exported to Japan, it is known as the "new era pile hammer", and the Ministry of Construction of Japan (now the Ministry of Land, Infrastructure, Transport and Tourism) has approved this series of models Tested and evaluated, and listed as a product for the promotion and use of new technologies.

The mechanism of EP series electric drive vibrating pile hammer is characterized by the use of hydraulic control eccentricity conversion device, which can realize "zero" start, "zero" stop and any stepless adjustment of eccentric torque from zero to the designed maximum value during operation. Compared with the traditional vibrating pile hammer, it shows great advantages.

◆Reduce starting energy consumption

Realize starting under the condition of no eccentric moment, which solves the problem that the widely used vibrating pile hammer starts with eccentric moment and needs a large-capacity power supply

◆"Zero" startup, "zero" shutdown

Realize "zero" start and "zero" stop, overcome the resonance generated when starting and stopping with eccentric moment, and prevent the occurrence of noise caused by resonance and damage to other equipment parts

◆Stepless adjustment of eccentric moment

The eccentric moment can be adjusted conveniently and freely during the operation of the machine to adapt to the pile sinking and pulling requirements of different soil layers, so as to achieve the ideal pile sinking and pulling speed and efficiency

◆Low center of gravity, good stability

The exciter of the large-scale vibrating pile hammer adopts a horizontal structure, the center of gravity of the whole machine is low, and the stability is good. It is equipped with a beam type vibration reduction system, which greatly reduces the height of the whole machine

Schematic diagram of the internal structure

Product Parameters

Project		Unit	EP80	EP120	EP120KS	EP160	EP160KS		EP200	EP220A		EP240			EP240KS		EP270
Motor power		kW	60	90	45*2	120	60*2		150	150		180			90*2		200
Static eccentric moment		kg*m	0-36	0-41	0-70	0-70	0-70	0-120	0-77	0-120	0-150	0-120	0-150	0-200	0-120	0-180	0-200	0-250
Maximum vibration frequency		r/min	1100	1100	950	1000	1030	800	1100	900	800	940	840	700	960	780	750	620
Exciting force		t	0-49	0-56	0-70	0-80	0-83	0-86	0-104	0-109	0-107	0-118	0-118	0-109	0-123	0-98	0-126	0-107
No-load amplitude		mm	0-8	0-8	0-7.8	0-9.7	0-6.5	0-10.9	0-10	0-12	0-14.1	0-11.3	0-11.3	0-14.9	0-6.7	0-10	0-14.5	0-18.4
No-load acceleration		g	10.9	10.9	7.9	10.8	7.7	7.5	13.5	10.9	10.1	8.9	8.9	8.1	6.9	6.8	9.1	7.6
Maximum allowable pile pulling force		t	22	25	25	30	40		40	60		60			60		60
Vibrating mass	Without clamp	kg	4480	5100	9005	7230	10830	11030	7660	10010	10650	13320	13420	13530	17870	17980	14100	14600
Total mass	Without clamp	kg	5230	6300	10860	8950	12850	13050	9070	12610	13150	16640	16740	16670	22520	22640	17670	18800
Long		mm	1710	1770	2580	1780	2740		1930	2200		2470				3350	2470
Width		mm	1180	1270	1500	1650	1760		1350	1510		1630				2070	1630
High		mm	2530	2750	2580	2820	2650		3520	3810		4310			3190		4360

Project		Unit	EP320T	EP320		EP320KS		EP360KS		EP400A		EP400	EP480KS	EP550
Motor power		kW	240	240		120*2		135*2		300		300	360	400
Static eccentric moment		kg*m	0-250	0-220	0-300	0-180	0-240	0-240	0-280	0-220	0-300	0-300	0-360	0-300	0-400
Maximum vibration frequency		r/min	620	810	620	870	750	750	700	890	760	760	660	820	710
Exciting force		t	0-107	0-161	0-129	0-152	0-151	0-151	0-153	0-195	0-195	0-195	0-175	0-226	0-226
No-load amplitude		mm	0-16.6	0-18.4	0-17.9	0-7.6	0-10.1	0-10	0-11.7	0-12.5	0-16.9	0-14	0-17.1	0-14	0-18.1
No-load acceleration		g	7.1	9.4	7.4	8.1	7.6	6.4		11.1	10.9	9	8.3	10.5	10.2
Maximum allowable pile pulling force		t	60	90		90		90		90		90	90	90
Vibrating mass	Without clamp	kg	15100	17100	17400	23660	23700	23900		17600	17800	21000	29000	22000	22600
Total mass	Without clamp	kg	21630	23600	24000	29160	29200	29400		25200	25400	27800	36000	29200	29700
Long		mm	2490	2570		3370		3390		2580				2700
Width		mm	1650	1890		2090		2100		1890				1880
High		mm	4390	3760		3200		3230		3860				4710

Project		Unit	EP550B	EP550C	EP650		EP650B	EP650KS	EP800	EP800C	EP1100	EP1100C	EP1600	EP1600C	EP2200
Motor power		kW	400		500		500	240×2	600	600	800	800	1200	1200	1600
Static eccentric moment		kg*m	0-400	0-480	0-480	0-580	0-580	480	0-560	0-560	0-670	0-670	0-1120	0-1340	0-1450
Maximum vibration frequency		r/min	640	580	750	680	580	750	750	750	750	750	750	680	750
Exciting force		t	0-184	0-180	0-300		0-248	0-300	0-350	0-350	0-420	0-420	0-700	0-695	0-910
No-load amplitude		mm	0-18.2	0-21	0-15.1	0-18.1	0-18.1	0-13.7	0-15.9	0-13.6	0-17	0-17	0-17.5	0-20.3	0-20.7
No-load acceleration		g	8.3	7.9	9.5	9.4	7.2	8.5	10	8.6	10.7	10.7	11	10.5	8.4
Maximum allowable pile pulling force		t	90		120		120	120	180	240	240	360	360	480	480
Vibrating mass	Without clamp	kg	22600	22900	30000	30200	30200	35100	35400	41000	41800	50800	62100	66100	70000
Total mass	Without clamp	kg	31500	32000	38400	38600	40600	43500	49200	58500	59300	73000	96000	105000	110000
Long		mm	2700		3250		3250	4400	3350	3350	3380	3380	5650	5650	5650
Width		mm	1880		2160		2160	2400	2160	2350	2350	2200	2240	2490	2490
High		mm	4710		5250		5250	4900	5340	5650	5650	5740	5740	5800	5800

Application Scope

振沉预制工程桩(钢管桩、混凝土桩)、灌注桩施工，也可应用于沉拔临时支护(钢管、钢板)桩，以及地基改良等工程施工,配合双套管工法可应用于引孔、植桩等施工

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