YJ型液压减震器
YJ型液压减震器安装在紧靠钻头的位置,能很好地吸收或减缓钻具轴向振动和冲击载荷,对延长钻头的使用寿命、保护钻具和地面设备具有良好的效果。
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详细介绍
YJ型液压减震器安装在紧靠钻头的位置,能很好地吸收或减缓钻具轴向振动和冲击载荷,对延长钻头的使用寿命、保护钻具和地面设备具有良好的效果。
Model “YJ” Hydraulic Shock Sub should be mounted on the drilling string near the bit, absorbing or reducing axial vibration and thrust load of the drilling string. And it has a good results for prolonging the service life of the bit and protecting the drilling tools and the surface equipment.
Specifications
|
型号 Model |
外径 O.D. mm(in) |
内径 I.D. mm(in) |
接头螺纹Connection API |
许用拉力 Max. Working Load kN(lbf) |
屈服拉力 Yield Pull kN(lbf) |
许用扭矩 Max. Working Torque kN·m(lbf/ft) |
屈服扭矩 Yield Torque kN·m(lbf/ft) |
最大工作压力 Max. Working Pressure kN(lbf) |
工作行程 Working Stroke mm(in) |
总长 OverallLength mm(in) |
|
YJ95 |
96 (3-3/4) |
38 (1-1/2) |
NC26 |
400 (90000) |
530 (120000) |
8 (5900) |
10 (7400) |
120 (26000) |
100 (3.9) |
2880 (113.3) |
|
YJ121 |
121 4-3/4 |
38 (1-1/2) |
NC38 |
1500 (340000) |
2200 (490000) |
15 (11000) |
50 (36000) |
265 (60000) |
100 (3.9) |
4116 (162) |
|
YJ165 |
165 (6-1/2) |
50 (2) |
NC50 |
1600 (360000) |
2500 (560000) |
25 (18000) |
70 (51000) |
340 (76000) |
120 (4.7) |
3800 (149.6) |
|
YJ178Ⅲ |
178 (7) |
57 (2-1/4) |
NC50 |
2000 (450000) |
2700 (600000) |
35 (25800) |
95 (70000) |
390 (87000) |
125 (4.9) |
4070 (160) |
|
YJ203Ⅲ |
203 (8) |
68 (2-11/16) |
6 5/8REG |
2000 (450000) |
2700 (600000) |
35 (25800) |
95 (70000) |
490 (110000) |
140 (5.5) |
4040 (159) |
|
YJ229Ⅲ |
229 (9) |
71.4 (2-13/16) |
7 5/8REG |
3000 (670000) |
5000 (1120000) |
55 (40000) |
200 (147000) |
550 (120000) |
140 (5.5) |
4090 (161) |
|
YJ254 |
254 (10) |
71.4 (2-13/16) |
8 5/8REG |
3000 (670000) |
5000 (1120000) |
55 (40000) |
200 (147000) |
600 (130000) |
140 (5.5) |
4100 (161) |
|
YJ279 |
279 (11) |
76 (3) |
8 5/8REG |
4000 (900000) |
6500 (1460000) |
60 (44000) |
280 (206000) |
600 (130000) |
140 (5.5) |
3620 (142.5) |
|
YJ305 |
305 (12) |
76 (3) |
8 5/8REG |
6000 (1340000) |
12000 (2700000) |
100 (74000) |
600 (440000) |
600 (130000) |
150 (5.9) |
4950 (194.8) |
|
YJ356 |
356 (14) |
76 (3) |
8 5/8REG |
8000 (1800000) |
19000 (4270000) |
150 (110000) |
1000 (740000) |
600 (130000) |
150 (5.9) |
4000 (157.4) |
|
The Rigidity Scope Above-mentioned Specification: 1.2~4.3kN/cm |
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