GB/T 14521.9-1993 Terminology of transport machinery Hoist GB/T14521.9-1993 Standard download decompression password: www.bzxz.net

GB/T 14521. 9-93
3.4.3 Single-passage bucket elevator Single-passage bucket elevator A bucket elevator with the load branch and return branch running in the same casing channel. 3.4.4 Twin-passage bucket elevator Twin-passage bucket elevator A bucket elevator with the load branch and return branch running in two casing channels. 3.4.5 Internal bucket elevator Internal bucket elevator A bucket elevator with a bucket installed on the inner side of the traction member. 3.4.6 Bag elevator Bag elevator An elevator with a bag installed on the traction member. 3.5 Arm elevator Arm elevator
An elevator with a bracket installed on the traction chain. 3.6 Swingle elevator A elevator with a pallet installed on the traction chain. 4 Main parameters
4.1 Performance parameters
4.1.1 Capacity
The mass of the conveyed material or article per unit time (hour). Elevating speed
The speed of the traction member of the elevator in the forward direction of the conveyed material. 4. 1. 2. 1 Belt speed. The speed of the traction belt in the forward direction of the conveyed material. Chain speed
The speed of the traction chain in the forward direction of the conveyed material. 4.1.3 Rotational speed of driving shaft The speed of the transmission drum shaft or the transmission sprocket shaft. Bucket capacity
The volume of the bucket.
4.1.5 Pole
When the material particles rotate with the bucket around the transmission roller, the combined force of its gravity and centrifugal force and the intersection of the plumb line passing through the center of the roller 4. 1.6 Polar distance
The distance from the pole to the center of the transmission roller.
Linear capacity of bucket4. 1. 7
Ratio of bucket capacity to bucket spacing.
Filling coefficient
Ratio of the volume of material in the bucket to the bucket capacity. 4.1.9 Pawer of driving shaft Calculated power on the driving pulley shaft or the driving sprocket shaft. 4.1.10 Power of motor Rated power of the driving motor.
Facing friction coefficient of driving pulley4.1.11
Friction coefficient between the driving pulley surface and the traction member. Safety coefficient
Ratio of the breaking tension of the traction structure to the maximum calculated tension. 4.1.13 Wrap angle
GB/T 14521. 9
The wrap angle of the traction member on the driving pulley or sprocket. 4.2 Load and mass parameters
4.2. 1 Lifting resistance The resistance generated when the material is lifted or lowered (the lifting resistance is a negative value when it is lowered). 4.2.2 Raveling resistance The resistance generated when the traction member moves in a straight line or curve. 4.2.3 Excavating resistance The resistance encountered when the bucket excavates the material.
Pcriphcral force
The tension difference between the winding point and the winding point of the traction member on the driving drum or driving sprocket. 4.2.5
Tight-side tension The tension at the winding point of the traction member when it is wound around the roller or sprocket. 4.2.6Slack-side tension The tension at the winding point of the traction member when it is wound around the roller or sprocket. 4.2.7Maximum static tension The maximum tension of the traction member calculated under static conditions. 4.2.8 Maximum dynamic tension Maximum tension of the traction member calculated according to the dynamic state. 4.2.9 Pre-tension pre-tension
The minimum initial tension that needs to be applied to the traction member to ensure the normal operation of the elevator. 4.2. 10 Take-up tension The force applied to the traction member by the tensioning device to ensure the normal operation of the elevator. Mass of handled materials per meter4.2.11
The mass of the transported materials per meter.
Mass of traction member per length masssoftractiveelementpermeter4.2. 121
The mass of traction member per meter
4.3 Dimensional parameters
4.3.1 Lifting height lifting height
The vertical distance from the feed port to the discharge port of the elevator. 4.3.2 Centre height of elevator The vertical distance between the drive drum and the tension drum or between the drive sprocket and the tension sprocket. 4.3.3 Height of elevator The height of the elevator wheel.
Angle of inclination
The acute angle between the theoretical center line of the elevator and the horizontal plane. 4.3.5 Half width hucket width
The distance between the inner edges of the two sides of the hopper.
4.3.6 Bucket height
The maximum inner edge height of the hopper measured perpendicular to the bucket width. 4.3.7 Bucket width The distance from the inner edge of the outer side of the hopper to the inner edge of the other side. Bucket spacing
GB/T 14521.9—93
The distance between two adjacent hoppers installed on the traction member. Driving pulley diameter diameter or driving pulley 4.3.9
The radial wheel diameter of the driving pulley. 4.3.10 The radial profile of the take-up pulley.
Pitch circle diameter of driving procket 4.3.11
The pitch circle diameter of the driving sprocket.
4.3.12 Pitch circle diameter of take-up spracket The pitch circle diameter of the take-up spracket.
4.3.13 Gear number of sprocket The number of teeth or edges of a sprocket.
4.3.14 Working distance of take-up unit Working distance of take-up unit.
Chain centres
The distance between the centre lines of two adjacent traction chains in a double-chain or multi-chain bucket elevator. 5 Loading capacity and main parts
5. 1 Drag belt
The belt that fixes the hopper and drives it to run. 5.2
Drag chain
The chain that fixes the hopper bracket, tray, etc. and drives it to run. 5.3
Pulley
The cylindrical component that wraps the traction belt.
5.3.1 Driving pulley
A pulley that transmits traction to the traction belt by friction. Take-up pulley
A pulley that applies tension to the traction belt.
Crown face pulley
A pulley with a raised drum shape in the middle of the working surface. 5.3.4#
PulleywithfacingrubbetThe working surface of the pulley has a layer of rubber waist cover. Cagepulley
The working surface of the pulley is shaped like a bird cage.
Wingedpulley
The working surface of the pulley is composed of several wing-shaped slats. 5.4 Sprocket
The wheel that meshes with the chain.
Driving sprocket
The sprocket that drives the traction chain.
Take-upsprocket
The sprocket that applies tension to the traction chain.
Behd spracket
The sprocket that changes the running direction of the traction chain.
5.5 Bucket
The container for lifting materials in a bucket elevator.
5.5.1 Shallaw bucket
GB/T 14521.9—93
A bucket with a large front wall slope, a 45° angle between the bucket mouth and the rear wall, and a small bucket depth. 5.5.2 Deep bucket
A bucket with a small front wall slope, a 60° angle between the bucket mouth and the rear wall, and a large bucket depth. 5.5.3 V-bucket
A diagonal bucket with a 50° bottom angle and a guide side 5.5.4 Round bottom bucketA bucket with a 45° front wall slope, a 90° angle between the bucket mouth and the rear wall, and an arc-shaped bottom. 5.5.5 Round bucket
A bucket with an arc-shaped front wall.
5. 5.6 Mid-deep bucket
A bucket between a deep bucket and a shallow bucket.
5.5.7 Trapezium bucket A bucket with a trapezium-shaped cross section.
5. 5.8 Combined bucket A bucket with the performance of a deep bucket and a shallow bucket.
5.5.9 Dewater bucket
A bucket with dewatering holes.
5.6 Arm
A loading device mounted on a traction chain.
5.7 Suspended tray
A loading device mounted on a traction chain and capable of rotating around a pin. 5.8 Bag
A bag-shaped loading device for bag elevators.
5.9 Guiding plate
A guiding and anti-biasing device for traction components.
5. 10 intermediate casing sectionThe casing between the head and tail of the elevator. head casingheadcasingsection
The casing where the drive device is installed at the head of the elevator. upper casingsection
The top casing of the elevator.
5. 13 lower casing sectionThe casing where the tensioning device is installed at the tail of the elevator. 5. 14
inlet
Material inlet with flange on the tail casing of the elevator. 5.15
outletbZxz.net
Material outlet with flange on the head casing of the elevator. 5.16 sheal pin
Shear protection pin on the drive sprocket to prevent overload. Take-up unit
GB/T 14521.9-93
A device for adjusting the pre-tension of the hoist traction component to ensure its normal operation 518 mateadvider
A mechanism for making the return material of the hoist fall on both sides of the tail shell This standard is proposed by the Ministry of Machinery and Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the Beijing Hoisting and Conveying Machinery Research Institute of the Ministry of Machinery and Electronics Industry This standard is drafted by the Beijing Hoisting and Conveying Machinery Research Institute of the Ministry of Machinery and Electronics Industry and the Taiyuan Heavy Machinery College. The main drafters of this standard are Ji Xinqiang, Bai Jinhui and Meng Wenjun.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.