Technical Specification. Set of Screw Lifting Jacks. Operated above open side pits

Transcription

1 Technical Specification Set of Screw Lifting Jacks Operated above open side pits

2 Table of contents 2 :נמחק. 1 General... 2 :נמחק 2. Specifications... 3 :נמחק 3. Structural description and requirements :נמחק 4. Maintenance :נמחק 5. Spare parts Installation and Acceptance Tests :נמחק 7. SLA :נמחק 8. Scope of Supply...

3 1. General Screw Lifting Jacks (the "Jacks") will serve railway Coaches and locomo The railway vehicles maintenance and repair works will be carried out at wheel- sets or other parts of the vehicle. The Jacks will be use to lift the v maintenance work can be done. The Jacks will be connected, operated an controlled from a central mobile control panel. The jacks will serve the v a service channel according to drawing HW B 2. Specifications ton 40 ton 10 ton Loading force per Jack 250 KN 400 KN 100 KN Lifting speed 0.40 m/min 0.30 m/min 0.40 m/min Driving speed 6 m/min 6 m/min 6 m/min Bottom bracket position 400 mm 400 mm 400 mm Top bracket position 2500 mm 3400 mm 3000 mm Effective course 2100 mm 3000 mm 2600 mm Synchronization precision ± 3 mm ± 3 mm ± 3 mm Floor clearance 20 mm 20 mm 20 mm Insulation ISO class F F F Protection IP 54 IP 54 IP Supply voltage / fq 400/50 V/Hz 400/50 V/Hz 400/50 V/Hz Control voltage / fq 24V/DC 24V/DC 24V/DC Noise level (2m above TOR) 80 db(a) max. 80 db(a) max. 80 db(a) max Number of Jacks נמחק: Effective Course (mm) Type of Operation Load (tons) Loading Force per Jack ( kn) Horizontal Stroke of Loading Bracket (mm) Distance From track Centerline (mm) Top Bracket Position (mm) Effective Course (mm) Above open side pits Above standard channel Above open side pits Above open side pits Above standard channel

4 3. Structural description and requirements General The wheels will be individually suspended so when unloade Jacks will raise in approximately- 20 mm Each Jack will be marked in such a way so that it will be eas identify each Jack and its control switches and the alarm sig control panel The Jack's movement The Jacks will be moved via a 4 - wheels undercarriage The Jacks will be guided by a special liner and will be move concrete floor parallel to the main rails The lifting jacks should be able to move on a concrete floor The lifting jacks should be able to move to the lifting positi integrated electric drive unit and guiding system parallel to t The loading brackets should be able to move manually via a wheel when unloaded. This feature permits the precise align the rail vehicle to be lifted Construction The design should be based upon a - heavy-duty application safety factor for minimum deflection and low stress values Total design should be according to European Standards (E machinery device and pertinent standard DIN EN 1493 vehi A large base plate should make contact with the floor and la downward thrust of the load, spreading it over a wide area, e stability when lifting and avoiding damage to the floor The carriage elevating unit should be freely supported by sel system The pressure on the concrete floor should be limited to 200 k

5 An additional pad mounted on the bottom part of the base pl be designed to transfer the load to the steel beam ( HEA pro according to drawing HW B The lifting brackets should allow lateral movement of ±25 m lifting pads adjusted by a screw shaft The loading brackets should be equipped with aluminum pad (100x120x135 mm) When the Jack is in a lifting position, the load to the floor an beam should be transferred through 3 pads: One pad at the steel beam (HEA 450 profile) two pads on the floor - one in the front and one in the bac The cross section dimensions of the Jacks and the guiding the electrical cables should be according to the limits shown drawings HW B attached herewith Lifting device The spindle (pulling spindle) should be made from high grad with self-locking trapezoidal thread The spindle will be freely suspended from the self- aligning the trestle Quick changing of the spindle nut without dismounting the without additional hoists should be possible The spindle would be driven by a completely closed reductio (long duration lubrication) running in an oil bath with flange motor The gear torque support should be equipped with rubber bum The screw shaft should be guarded and protected by neopren bellows or other equivalent protections, resistant to oil, grea steam The spindle nut should be made of cast bronze The spindle nut should be reinforced and secured with a sec nut.

6 The safety nut should be able to run behind the spindle nut w any load and should be compliance with EN 1493 vehicle lif The spindle nut should be attached to the lifting carriage. detaching of the nut from the lifting carriage during process, device will prevent detaching and will stop the process In case of failure of the spindle nut due to the extreme we the jack is loaded, the safety nut should be able to assure the of the spindle nut and the load should be lowered by a manu function which allows lowering the load safely Electrical control The Jacks should be operated and controlled from a mobile c control panel The central control unit should be able to supply all the pow control signals The electrical control should contain a programmable logic c (PLC/ PLS). The PLS should monitor all connected hardwar components (input and output modules, safety switches, con etc.) Each lifting jack should have its own control panel (pendant The control panel should contain Emergency- stop button to stopping the whole set of 4 jacks together and/or separately lifting jack.

7 3.6. Central Control Panel The central control panel should comprise of: Emergency stop button; Key switch for starting the system; Light indicator for the operating and warning states; Control key- manual operation for safety failure cases (for e every jack) Selecting switch for operate state. The Display of the Contr should display operating states, such as: 3.7. Control lamps should comprise of: Control voltage; Synchronization; Motor protection; Safety limit switch; Overload protection; Wear on the load nut; Phase-sequence; 3.8. Safety Functions: group/individual lifting/lowering mode actual lifting height fault analysis power consumption operating time counter The electrical control should contain the following safety fu Emergency stop; Upper/ lower operating limit switch for each and ev Jack;

8 Key switch for manual safety operations. Manual mode would be allowed only while failure is obtaine Monitor the gap between main nut and safety nut The system will synchronize all jacks while operatio with the permissible tolerance. In case of failure syst will shut off Motor protection through thermal motor protection relay Limit Switches and Functions The lifting movement should be limited in its bottom and top final positions by a limit switch One additional emergency limit switch should be allocated to both switches, making sure switching of in case of failure of the normal limit switch The screw nut should be electrically supervised by a limit switch at a distance of approximately - 2 mm to the safety nut. In case of a nut break, this limit switch should come into action and switch off the drives Synchronization Control The electric control should be equipped with an electronic synchronization control effecting equal speed of lifting and lowering the Jacks in group mod which will assure the uniform lifting and lowering of the vehicle Synchronization control will be switched on automatically, as soon as the Jacks run in group operation In case of malfunction in the synchronization control the Jack drives will be switched off Motor and Load Detector Each drive should be equipped with a motor load detector In case of a 10 % or more overloading of the Jack drive, all drives will be switched off.

9 LCD Display The control panel should be equipped with an LCD, able to display the lifting height and several paramet of faults as following: The height of each bracket The following faults while attributing the fault to the specific jack: Up lifting limit fault; Encoder fault; Leveling fault; lower limit switch fault; Overload fault; 3.9. Operation Sequence The complete installation will be switched on by means of a control panel Actuate key switch "Control On" Green indicator light "Ready for Service" will light Setting the selector switch "Individual Operation/Group Ope the individual operation. In the individual mode only, it shou possible to operate the "Lift / Lower" switch from the respec Each Jack will be brought to the lifting position of the vehic Switch the selector to group operation Synchronization control will be activated Activate button Lift/Lower Group operation Lift/ Lower will be only possible from th control panel, by pushing an additional relevant Lift/ Lowe on one of the jacks located in the opposite side of the vehicle Malfunction Indication of a malfunction will be by a red indicator ligh reaction of an emergency limit switch for the lifting moveme

10 The drives should automatically switch off in case a malf will occur The system shall be safeguarded and the malfunction shal indicated out Safety wiring cab should be bridged over via a button in t panel and lifting jack will be carried out from the dangero situation The malfunction should be eliminated after the successful the malfunction via a second button in the switch cabinet Connecting Cable For every lifting jack a connecting flexible cable (lift -con console) for the main and control current with connectors mounted on both sides should be delivered. The length of of the 4 cables should be divided to two pairs - The first pair of (each one of the cables) and the second pair 32 mm long one of the cables) Connecting Cable will be installed into elastic under floo 100 mm. dia All the connectors should be equipped with protection co The main current lead of the control console should be Painting All steel materials should be blasted to grade SA 2 ½ and before using Welded parts should be cleaned before painting Painting of the jacks will be according to: standart UIC 842-2, Color of final painting will be RAL Testing Static Test.

11 Testing shall be carried out in a factory with static lo of 150% at the middle height of the lifting course. There must be no permanent deformations as a result the test Dynamic Test should :נמחק 1 :נמחק. :נמחק The test will be carried out with a load of 25% more than nominal load. while Two up and down strokes will be carried out All functions and sensors should be tested. 4. Maintenance The set of jacks will be designed to minimize maintenance cost, using the following : 4.2. All mechanical and electrical components will be located in such a way that they will be easy to check and replace Screw /nut lubrication will be done permanently by an automatic adju greaser. 5. Spare parts 5.1. The delivery shall include spare parts for two years of operation durin warranty period The supplier shall guarantee availability of spare parts for 10 years If a spare part is no longer available on the market the supplier must offer an adequate substitute. 6. Installation and Acceptance Tests 6.1. The manufacturer shall be responsible for delivery of components and according to the technical specification, including supply of all access adapters and recommended spare parts The manufacturer shall be responsible for the installation of the system functioning, running-in and proper operation of the system Installation of equipment shall be in accordance with the installation supplied by the manufacturer and approved by ISR.

12 6.4. The manufacturer shall be responsible for correction of all defects, de ISR after testing and run-in The manufacturer shall provide training at all levels (operators and maintenance) not less than two working day at ISR facility in Qishon Haifa Bay The final acceptance is subject to the approval of ISR in writing. 7. SLA 7.1. Due to a service call- the supplier will comply and arrive to site in no then 3 working days The problem will be fixed within 5 working days from the service cal 7.3. Spare parts will be delivered within 14 days from the issuance date of 8. Scope of Supply 8.1. The complete Set of 4 Screw Lifting Jacks should be composed of: Central control cabinet; Cable Drag Chain System; Guiding System; Connecting Cables; Supervising and responsibility of installation, correct functio operation and run-in 2 working days Training ISR personnels, as specified in section Supply of Spare parts for two years of maintenance during t warranty period Documentation - three sets of hard and soft copies of installation and maintenance manual, comprising of the following: Signed Technical specification including drawing with critic external dimensions; Safety regulations; Electrical circular diagram;

13 Description of each one of the jack's control unit and central including connections diagram; Instructions regarding the period prior to installing of the eq and also regarding the first time startup; Operation instructions and trouble- shooting; Spare parts catalog; Training and qualification programs;