Описание

JQ-DH Механический Удар Absorber

JQ-DH shock absorber is an absorbing tool acting as a vertical absorbing function when drilling with cone bits or Абразивный coring bits. It can absorb or slow down vertical shocking and impact a load of drill stem when drilling, thereby keep normal drilling pressure, prolong working life of drill bit, protect drilling tools and surface equipment, decrease drilling cost, increase drilling efficiency.

JQ-DH uses butterfly spring as an elastic element, it is different from hydraulic shock absorber using silicon oil and other fluid as working Среда, its working properly doesn’t be affected by working environment, this mechanical type shock absorber is a new R&D tool made by our factory and a foreign company, it has the Преимущества of simple structure, reliable working, convenient operation and maintenance, good absorbing effect, long working life, and high property, it’s one of the most widely used drilling tools oversea.

ype OD
(mm/inch)
ID
(mm/inch)
Соединение
(API)
Max.upward jarring force
(KN)
Ma.downward jarring force
(KN)
overall length
(mm/inch)
BZ121 121(4-3/4) 50.8(2) NC38 450 230 6356(250)
BZ159 159(6-1/4) 57.2(2-1/4) NC50 630 360 7265(286)
BZ165 165(6-1/2) 57.2(2-1/4) NC50 630 360 7265(286)
BZ196 196(7-3/4) 71.4(2-13/16) 6-5/8REG 820 460 7062(287)
BZ203 203(8) 71.4(2-13/16) 6-5/8REG 820 460 7062(287)