Selection calculation of the monorail hoist in coal mine
ZHUANG Yan
Abstract：This paper introduces the applicable conditions and the lection calculation of the monorail hoist
briefly, and pointe out its application characteristics. This provides the reasonable lection of the monorail
hoist with the necessary theoretical basis.
Keywords：开车起步monorail hoist; applicable condition; computing method; characteristics
Monorail crane is ud in coal mine, especially in mining area up, down and down the mountain. 误会作文600字Auxiliary equipment for transporting materials, equipment and personnel in working face drift. One of the preparations. Monorail crane can be divided into steel wire according to different traction modes. 晌午拼音Rope traction and locomotive traction can be divided i
nto two categories, and locomotive traction mode can be divided into two categories. There are two types of locomotive traction: explosion-proof clean diel locomotive and battery locomotive. General information. The monorail crane trains for material, equipment and personnel transportation are compod of 3. When transporting heavy equipment, only one group consists of two groups. The load-bearing vehicle for lifting the composite beam.
1 applicable conditions of monorail crane
(1) Monorail crane is hanging on the roadway roof or support to transport negative load. It is not affected by floor deformation (floor heave) and material accumulation in roadway微信打招呼. A reliable hanging bearing device is required. Hanging on arched or trapezoidal steel support. When the support is mounted on the scaffold, it shall be reinforced with braces. When the anchor rod is ud for suspension, each hanger shall be ud. Two bolts with anchoring force of more than 60 kn shall be ud for rail point. Roadway fault. The surface should be greater than or equal to 7 m2.
(2) It can be ud for horizontal and inclined roadway transportation. For inclined roadway. When transportation, the locomotive traction monorail crane, gradient ≤ 18 degrees, the best u. The slope is less than 12 degrees (the maximum is 40 degrees in foreign countries). Rope traction monorail crane gradient ≤25 ° and 45 ° in foreign countries. The maximum single piece transport mass is 12-15t. The minimum horizontal radius of curvature is 4 M.
(3) Locomotive traction monorail crane has the characteristics of mobility and flexibility. Each locomotive can realize the transportation of materials, equipment and personnel in multiple branch roadways. 瞳孔正常大小Transportation, can not be reprinted, not limited by the distance. Monorail with rope traction. The crane needs to install a large number of rope pulleys on the curve, and can not enter the branch. The transportation distance is generally 1-2 km, and the maximum is not more than 3 km. Becau of luck Long distance, train running resistance, traction rope resistance, track and support. The bearing capacity of the monorail, the guide wire rope and the. The tension of wire rope will tend to be complicated.
(4) There is a small amount of pollution and difference in the exhaust gas of diel monorail crane. Therefore, the u of roadway should have enough air volume to dilute harmful gas. Body, so as to achieve the degree of non-destructive health.
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(5) The biggest advantage of battery monorail crane is no air pollution. However, limited by the storage capacity of the battery, the battery monorail crane is difficult to operate. It is suitable for low traction and ventilation. Poor tunnelling for transporting materials and personnel.
2 lection calculation of monorail crane
The main content of monorail crane lection calculation includes the lection of monorail crane. The type of winch, the calculation of the actual traction force, the choice of winch or diel. Calculation of daily transportation capacity of single monorail crane and determination of mining area. Or the number of monorail cranes required by the whole mine.
2.1 lection of monorail crane type
(1) The necessary known conditions for monorail crane calculation are: ① transportation distance. The results show that: 1) the distance between the running track and the running track; 2) the gradient of the running tunnel; 3) whether the running track has branches; 4) the distance between the running track and the running track. The maximum mass of the single piece to be transported;5）whether to transport personnel.
(2) According to the known conditions and the applicability of the above monorail cranes. Around, choo wire rope traction monorail crane or diel monorail crane (also Explosion proof special type battery monorail crane can be lected.)
2.2 calculation of traction and power of monorail crane
In order to calculate the traction force of monorail crane, the monorail crane must be determined first. The single maximum transportation volume of the vehicle, that is, the production volume rved by the monorail crane is calculated. Point to material and equipment requirements. The calculation should be bad on the quality of the material. The weight of each transport unit is 3 T, That is: 1) the transportation volume of each cont
ainer is 2.5 T, and 3.5 t without container t. (2) materials less than 3.1 m in length are transported in containers, and tho more than 3.1 m in length are transported in containers .M.General Monorail.
