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China Type WJ-7 Elastic Clip Rail Track Fastener System

China Type WJ-7 Elastic Clip Rail Track Fastener System photo-1
China Type WJ-7 Elastic Clip Rail Track Fastener System photo-2
China Type WJ-7 Elastic Clip Rail Track Fastener System photo-3
China Type WJ-7 Elastic Clip Rail Track Fastener System photo-4
China Type WJ-7 Elastic Clip Rail Track Fastener System photo-5
US$ 0.4 - 11.6 MOQ: 5000 Sets
Key Specifications
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Brand Name:
ALEX
Place of Origin:
China
Material:
60Si2Cr, Q235, QT40015, 35#,ETC
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
30 days
Brand Name ALEX
Place of Origin China
Material 60Si2Cr, Q235, QT40015, 35#,ETC
Type Other, Rail fastening system

WJ-7 Fastener System Features:

High flexibility, high insulation, strong versatility of the structure, high pressure attenuation of the elastic buckle and high fatigue strength, reliable connection with the foundation, high and low rail position and large adjustment of the left and right position are needed for the passenger-only line ballastless track fastener system.

Following aspects of the fastener system has been optimized:

  • Improve the versatility of the fastener structure;

  • Improve the insulation performance of the fastener system;

  • Reduce the pressure attenuation of the spring buckle and improve its fatigue strength;

  • Improve the reliability of the fastener system and the foundation;

  • Reduce the fastener The rigidity of the system;

  • Improve the reliability of the T-bolt in the iron pad. 

WJ-7 Rail Fastening System Parts Details

Serial number  Name  Quantity  Material  Mass or volume  Remarks 
T-bolt T1  Q235-A  0.76 kg 
Nut M24  Q235-A  0.224 kg 
Flat Washers  Q235-A  0.138 kg 
W1 type elastic bar  60Si2MnA  1.44 kg  Choose one according to the line resistance. 
X2 type elastic bar  1.22 kg 
WJ7 insulation block  Glass fiber reinforced polyamide 66  72.6 cm3 
WJ7 iron pad  QT450-10  10.2 kg 
WJ7 insulation cushion board  Rubber  420 cm3 
WJ7-A rubber pad  rubber  270 cm3  The speed is 250km/h for passenger dedicated lines, and one of them is selected according to the specific requirements of line resistance. 
WJ7-A composite pad  rubber  270 cm3 
    stainless steel       0.24 kg 
WJ7-B rubber pad  rubber  325 cm3  The speed is 350km/h for passenger dedicated lines, and one of them is selected according to the specific requirements of line resistance. 
WJ7-B composite pad  rubber  325 cm3 
    stainless steel       0.24 kg 
Anchor bolt B1  Q235-A  2.20 kg 
10  Heavy duty spring washer 30  65Mn, 60Si2Mn  0.09 kg 
11  WJ-7 flat pad  QT450-10  0.50 kg 
12  Pre-embedded casing D2  Glass fiber reinforced polyamide 66  200 cm3 
13  WJ7 rail heightening pad 
Polyethylene  27.7 cm3/mm  According to the specific situation 
14  WJ7 iron pad down the high pad 
Rubber  310 cm3/5mm  According to the specific situation 
WJ-7 Rail Fastening System Technical Requirements:
Fastener type  WJ-7 fastener 
Taxonomy  With iron pad (thickness 16mm) 
Withstand lateral force  Mainly overcome by the friction under the iron pad 
Connection with the foundation  Embedded plastic casing 
Embedded member pull-out resistance  Not less than 100kN 
Rail Clip   Types W1 type  Type X2 

Buckle pressure  >9kN  6kN 

Strike  14mm  12mm 

Fastening method  Bolt fastening 

Tightening torque  About 120 Nm  About 80Nm 
Rail longitudinal resistance  >9kN  4 kN 
Rail pad fastening torque  300~350Nm 
Elastic Rail Insulator Setting  An elastic cushion layer (rubber pad or composite rubber pad) is arranged under the rail, and a cushion layer (insulation cushion pad) is arranged under the iron pad plate. 
size  Class A  Class B 

Under-rail rubber pad: 169×168×12 (composite thickness 13.2)  Rubber pad: 169 × 168 × 14 (composite thickness 15.2) 

Insulation cushion plate: 486 × 204 × 5 
Under-arc cushion stiffness  30~40kN/mm  20~30kN/mm 
Sub-layer cushion stiffness  >1000kN/mm 
Rail height  High rail surface  Class A  Class B 
211 rubber pad 212.2 composite pad  213 rubber pad 214.2 composite pad 
Adjustment amount  30mm 
Adjustment method  The adjustment of 10mm and 20mm is achieved by inserting the heightening pad between the rail and the iron pad and between the iron pad and the foundation. The filling pad can be adjusted steplessly. 
gauge  Adjustment amount  ±12mm 
Adjustment method  This is achieved by moving an iron pad with a long round hole, without the need for spare parts. 
Adjustment level  Continuous stepless adjustment 
Rail joint treatment  General purpose 
Applicable to ballastless track  No shoulder-free track structure 
Drawing number and standard  Research Line 0603, Science and Technology Base [2007] 207 
Application condition  250 km/h  350 km/h passenger dedicated line 


Product Tags: China Type WJ-7 Elastic Clip Rail Track Fastener System , WJ-7 high-speed Railroad Fastener System , WJ-7 ballastless track fastener system

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Verified Business License
Business Type
Manufacturer
Year Established
2014
Annual Export Value
US$5 Million - US$10 Million
Product Certifications
ISO9001

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