Polyurethane Rubber Bumper

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Polyurethane Rubber Bumper

Product Name: Polyurethane Rubber Bumper

Model JHQ-A bumper is for a hoist trolley, which is composed of bolts and polyurethane rubber bumper.

Model JHQ-B is for an overhead crane or gantry crane, which is designed with a buffer base pressure plate.

Model JHQ-C bumper is for an overhead crane or gantry crane, which is composed of flange base and polyurethane rubber bumper.

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Description
Specification
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Description

A polyurethane rubber bumper is a buffer installed on a hoist trolley or a crane to protect the trolley or crane in the event of a collision. Polyurethane buffer adopts low-frequency collision design and is spray-treated. It has excellent abrasion resistance, good cushioning effect and long service life.

crane-trolley-bumper

Model JHQ-A bumper is for a hoist trolley, which is composed of bolts and polyurethane rubber bumper.

Model JHQ-B is for an overhead crane or gantry crane, which is designed with a buffer base pressure plate.

Model JHQ-C bumper is for an bridge crane or gantry crane, which is composed of flange base and polyurethane rubber bumper.

crane-rubber-bumper

Features of Rubber Bumper:

The product has a large polyurethane density ratio, a small cushioning stroke, easy installation, and a significant noise reduction effect on noise generated during a collision. Polyurethane buffer adopts low-frequency collision design and is spray-treated. It has excellent abrasion resistance, good cushioning effect and long service life. The installation is simple, and the height and level can be adjusted according to the actual installation requirements.

It has a light weight and reasonable price. In use, iron and rubber collide with each other, which will produce less noise during collision, and will not make sparks. It is widely used in explosion-proof cranes and flammable and explosive mining, building materials, chemical and metallurgical industry.

Polyurethane_Buffer

Specification

Model	D (mm)	H (mm)	h (mm)	B (mm)	b (mm)	Φ (mm)	Buffer Capacity (KN.m)	Buffer Stroke (mm)	Cushioning Force (KN)	Weight (kg)
JHQ-C-1	65	80	6	100	70	12	0.288	40	18	0.595
JHQ-C-2	80	80	6	115	85	12	0.432	40	27	1.115
JHQ-C-3	80	100	6	115	85	12	0.648	60	27	1.180
JHQ-C-4	100	80	8	130	100	14	0.672	40	42	1.540
JHQ-C-5	100	100	8	130	100	14	1.008	60	42	1.642
JHQ-C-6	100	125	8	130	100	14	1.344	80	42	1.970
JHQ-C-7	125	100	8	165	130	14	1.548	60	66	2.445
JHQ-C-8	125	125	8	165	130	14	2.112	80	66	2.648
JHQ-C-9	125	160	8	165	130	14	2.904	110	66	2.924
JHQ-C-10	160	125	10	200	160	18	3.456	80	108	4.885
JHQ-C-11	160	160	10	200	160	18	4.752	110	108	5.181
JHQ-C-12	160	200	10	200	160	18	6.048	140	108	7.281
JHQ-C-13	200	160	10	250	200	18	7.436	110	169	7.866
JHQ-C-14	200	200	10	250	200	18	9.464	140	169	8.867
JHQ-C-15	200	250	10	250	200	18	12.709	188	169	9.617
JHQ-C-16	250	200	12	320	250	22	14.840	140	265	14.94
JHQ-C-17	250	250	12	320	250	22	19.928	188	265	16.54
JHQ-C-18	250	320	12	320	250	22	25.440	240	265	18.77
JHQ-C-19	320	250	12	400	315	22	32.636	188	434	26.58
JHQ-C-20	320	320	12	400	315	22	41.664	240	434	29.22
JHQ-C-21	320	400	12	400	315	22	52.080	300	434	33.38
JHQ-C-22	400	300	12	480	400	24	52.240	200	678	45.29
JHQ-C-23	400	400	12	480	400	24	81.360	300	678	52.20
JHQ-C-24	500	330	12	580	500	24	97.520	230	1060	71.11
JHQ-C-25	500	440	12	580	500	24	144.160	340	1060	82.98