GB 19402-2012Safety requirements for passengers funiculars (English PDF)

1.2 Rolled profiles and square tube holder 2

Note. Allow the use of wind tunnel test data obtained.

3.6.7 Dynamic load During the civil structures should consider the effect of the calculation of the track and wheel material, loading of the vehicle should be multiplied by the dynamic load factor phi = 1.3.

3.1 Line Selection

3.1.1 Select the line, you should consider.

--- Local climate and geographical conditions, the cable car through the roads and buildings across facilities and emergency requirements;

--- Avoid endangering the safety of the tramway has built in the region avalanches, landslides, landslides, tsunamis, floods, etc., approved by the competent authorities, to take When precautions exception;

--- Effect of acceleration on the normal staff (see 3.1.5);

--- Rope on the wheel support Toso safety (see 3.1.4);

--- Vehicle safety-oriented, and the slope of the line changes (see 3.1.2);

--- Required braking force and the role of the safety rail brake.

3.1.2 Ground track longitudinal inclination variation value beta (on line, the difference between the lower slope angle) should not exceed ± 20% (± 11 ° 19 '). Variable slope lifts Line is shown in Figure 1. Explanation. alpha

--- differential slope angle; m1

--- the segment slope; m2

--- lower slopes.

1 cable car line schematic variable slope

3.1.3 Trend lines should be smooth to make rope. Should be able to observe from the station to the line on the vehicle deceleration start position at least.

3.1.4 For recessed line, wire rope should be securely supported on Toso round. When the maximum deceleration brake, the rope should not be from Toso float on the wheel.

3.2 Size Limits

3.2.1 Scope limit depends on the vehicle itself lifts the shape and geometry. It should also consider.

a) When the vehicle is running to change the slope of the curve and on the track when the vehicle is moving in the horizontal and vertical directions;

b) the vehicle lateral floating;

c) suspension of the vehicle in all directions possible mobile device;

d) axis with respect to the rail (normal gauge) the possible lateral movement;

e) possible dimensional offsets (such as vehicles, rail position);

f) the obstacle clearance requirements between the hand.

--- All windows can be opened and open vehicles 1.0m;

--- Tilt windows is not less than 0.2m;

--- After the lower edge of the window to open the windows from the vehicle floor plane is not less than 1.80m, is 0.20m;

--- Open the windows at the edge of the window from the vehicle floor plane is not less than 1.50m, is 0.50m.

3.2.2 Station gap between the platform edge and the vehicle shall not exceed 0.05m.

3.3 Safe distance

3.3.1 tramcars each side of the car and the upper portion of the fixing member on any line (except part of the track and stations) between the distance shall not be less To 0.1m.

3.3.2 channel along the line staff should be located outside the track, its width should be not less than 0.6m, the minimum clear height should not exceed 2.0m. Nearby more than 1m above ground or downhill slope greater than 60% of passengers and passenger channel range of activities should be installed where a rigid railing.

3.3.3 tramway lines and highways, roads and ski slopes should not cross the same height.

3.3.4 When the cable car line parallel to the road, on the cable car line distance between any edge of the highway between the outer edge of the facility shall not be less than 1.5m. If the vehicle is on the road there is the possibility of a cable car into the road should be provided protection.

3.3.5 cable car line and power lines are parallel and intersect, should be consistent with the relevant provisions of GB 50061. When the cable cars and lifts in parallel, in the following cases the distance between any facility of the cable car and the outside edge of the cableway facilities 3.3.6, It should not be less than 1.5m.

--- Ropeway. wire rope sling and in the case of the maximum static deflection yaw 20%;

--- Towing cableway. Towing towing cableway from the outer edge of its pulling cable on both sides of at least 10m.

3.3.7 ropeway cable car line and cross the line at the cableway should ensure the maximum static deflection increased by 10% of the vehicle to cableway Vehicle lifts, vertical lifts clearance between structures or tramway overhead lines shall not be less than 1.5m.

3.3.8 When the cable cars and other buildings (such as water, gas pipelines, water pipes and similar buildings) should be parallel or cross over Foot-related provisions.

3.3.9 When the trees on both sides of the track's collapse would endanger the safe operation of the cable car down the tree should be installed safety stopping device.

3.4 Speed

3.4.1 maximum operating speed should not exceed 12m/s, should also consider the following factors. the

--- Vehicle safety and smooth operation;

--- Driver brakes, brakes and tracks the performance of the buffer means;

--- Line conditions;

--- Radius of curvature.

3.4.2 auxiliary drive should be less than half the speed of the main drive running speed. Speed emergency drive unit shall not exceed Over 2m/s.

3.4.3 When the vehicle or stop by the station house when the maximum speed shall not exceed 1.0m/s.

3.5 Effective car area

3.5.1 less than 6 people standing car, according to calculated per 0.3m2; 6 people and 6 or more people inside, the effective floor area see equation (1). A = 0.6 0.20 × n (1) Where. A

--- effective area of the cabin floor, in square meters (m2); n

--- carriage capacity.

3.5.2 Seat width. When two seats side by side, clear width of the seat should not be less than 1m, when the three seats side by side, clear width of the seat should not be less than 1.4m.

3.6 Calculation Line

3.6.1 weight The actual value of the vehicle and the weight of the rope should be consistent with the line taken calculate the weight variation should not exceed ± 5%.

3.6.2 Payload Capacity of 15 people or less an average gravity shall 740N computing; capacity when more than 16 people, with an average gravity shall 690N per meter Operators; transporting skiers to the cable car should be equipped per person plus gravity 50N.

3.6.3 dynamic forces (inertial force)

--- When overridden to

1.2 times the actual value of the row, starting acceleration inertia force 0.15m/s2 at the minimum;

--- When a heavy load down, the braking force can be adjusted automatically, the deceleration of the inertia force 0.4m/s2 of;

--- When a heavy load down, can not automatically adjust the braking force, the deceleration of the inertia force 0.6m/s2 of;

--- Overloaded upward, average brake deceleration brake work up to 1.5m/s2 when inertial force;

--- Should verify when the brake track throughout the dynamic forces of pulling cable loop.

3.6.4 Friction coefficient

3.6.4.1 drive wheel spacers allowable friction coefficient µzul Table 1. µzul depending on the actual conditions (such as wet rope, 40 °C Wire rope oiled) pad friction coefficient µ, calculated according to the following criteria.

--- Consider the dynamic forces under normal deceleration, the coefficient of friction allowable µzul take 2/3µ;

--- Consider the dynamic forces under abnormal conditions the maximum deceleration, friction coefficient allowable take 80% µ values. Other practical engineering materials friction coefficient obtained experimentally. Table

1 The coefficient of friction coefficient of friction pad material of uniform motion when starting and braking Cable groove or cast iron rope grooves 0.07

0.07 Rubber, plastic liner, etc. 0.2

0.22 Soft aluminum gasket (Brinell hardness <=500N/mm2) 0.2 0.2

3.6.4.2 For the coefficient of friction of steel holder and hold inside and outside the cable holding the card should be 0.13.

3.6.4.3 For fixed rope reel slots should be used following the coefficient of friction.

--- Wood or plastic liner. 0.11;

--- Steel liner. 0.08.

3.6.4.4 If the rail brake force acts on the wheel, the friction coefficient of the wheels and track shall be calculated according to the maximum 0.08.

3.6.5 frictional resistance It was calculated as a percentage of the line force as the following friction, which includes wire friction in all situations Under bending resistance.

--- Rubber lining sheave wheel pressure of 3.0%;

--- Plastic lining sheave wheel pressure of 2.0%; 0.3%

3.6.6 Wind loads

3.6.6.1 The basic wind pressure as follows:

--- Runtime. 0.25kN/m2;

--- Decommissioning. 0.8kN/m2, wind speed exceeds 36m/s in the region, according to local wind pressure value.

3.6.8 Snow load

3.6.8.1 If the height at an altitude of 2000m or less, where there is snow load, according to the following formula to determine the covered surface per square meter Snow loads, see formula (2). S = [1 (h0/350) 2] × 0.4kN/m2 >=0.9kN/m2 (2) Where. S

--- m^2 snow load, in units of kN per square meter (kN/m2); h0

--- altitude provided by the Department of Geological Prospecting in meters (m).

3.6.8.2 In exceptional cases, for example, the height of the ground at an altitude of 2000m above or snowfall in the area rich, you should local weather Data provided by the department to determine the snow load. Top

3.6.8.3 room station by 0.5m deep snow vehicle, snow density by 0.4kN/m3 calculated.

3.6.9 Additional load The following should be for several or all of the additional load is calculated according to the cable car situation.

1.3 times the braking force of the rail brake force on the wheel;

1.1 times the force of snow avalanches and landslides role;

1.1 times at the site of impact buffer;

1.1 times the tensioning carriage or hammer impact;

1.1 times the force of the impact of building construction; Ability to cut down the time

1.1 times the wire (used to calculate the security structure).

3.7 Rescue Along the outside of the cable car line should be provided with a rescue channel, the channel width should be no less than 0.6m. Slope of more than 15% or in ground clearance When 1m or more, shall be fitted with railings along the edge, if there are stairs, handrails shall be provided and seating area.

3.8 Autorun ground lifts

3.8.1 Operation Monitoring In case of failure, 30min staff should arrive within a room, and to take appropriate measures. In the area of the platform should be set up closed circuit Depending on the monitor to monitor.

3.8.2 spaced fence line Tram line running personnel easy access to local application fenced off, fencing Gao of not less than 1.8m. In the countryside around Column height shall be not less than 1.2m.

3.8.3 out of line Fence all the doors should be equipped with safety devices when the door is opened, the device will automatically stop. The door should not be inward (track direction) opens. when When the doors for evacuation use, the door should be from the inside without a key can be opened.

3.8.4 Rescue

--- Halted under the circumstances, in the staff car should be no danger of evacuation and emergency exit doors should be open.

--- Should be set to notify the passenger station house monitor alarm device.

--- When halted staff may be reached within 15min of the vehicle, or by other methods of evacuation.

3.8.5 out of the car Station house platform should be set rigid sliding doors, its specifications should be consistent with the vehicle door. In order to prevent passengers sliding door clothes were caught, the vehicle door And horizontal sliding door between the closed top floor 1.8m headroom in the high range should not exceed 0.12m, in this range of equipment Except for additional monitoring. Threshold level and the threshold of the sliding door between the vehicle door clearance should not exceed 35mm.

Selection Principle

4.1.1 The rope should be consistent with GB 8918 requirements.

4.1.2 pulling cable, cable should be used to balance the line contact (or surface contact) with twisted rope to rope with fiber core; tension cords should be flexible, and resistant Curved wire rope. Working in corrosive environments pulling cable, cable balance, tension cords should be made of galvanized steel wire rope.

4.1.3 balanced cable car cable, which pulling cable balanced cable or wire rope shall be for the whole, does not allow connections. When led by an endless wound When the lead rope, the length of splicing joints should be not less than 1200 times the nominal rope diameter. Insertion length should exceed the nominal rope diameter 60 times. Two adjacent splicing wire rope length between the ends should be not less than 3000 times the nominal rope diameter. Wire rope safety factor of 4.2

4.2.1 pulling rope and rope safety factor of balance, that minimum breaking strength of the rope maximum tension (including the inertia force from braking) ratio, Should be greater than 5. When considering the impact of rail brake safety factor should be more than three. For no ground rail brake cable Car safety factor pulling cable and balance cable should be not less than 6.

4.2.2 tension cable safety factor should not be less than 5.5.

4.2.3 Maximum traction rope tension should work under the most unfavorable load cases included the following strength values.

--- First tension tensioning device begins;

--- Gravity and weight pulling cable car of the force of gravity caused by the elevation;

--- Lu Tuosuo wheel line resistance;

4.3.1 Basic requirements

4.3.1.1 bending stresses rope near the junction due to the vibration generated by the rope should be avoided. If necessary, shall be equipped with a protective lining Sleeve. Protective sleeve liner shall meet the following requirements.

a) at least the length of the pad 4d (d is the no...