WO2016141760A1 - 一种缠绕式提升机钢丝绳层间摩擦检测装置及方法 - Google Patents
一种缠绕式提升机钢丝绳层间摩擦检测装置及方法 Download PDFInfo
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- WO2016141760A1 WO2016141760A1 PCT/CN2015/099143 CN2015099143W WO2016141760A1 WO 2016141760 A1 WO2016141760 A1 WO 2016141760A1 CN 2015099143 W CN2015099143 W CN 2015099143W WO 2016141760 A1 WO2016141760 A1 WO 2016141760A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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- the invention relates to a friction detecting device and a method for friction between layers of a wire rope hoist, and is particularly suitable for simulating an experiment environment and working condition of a wire rope on a winding hoist drum in a mine lifting process, and is used for detecting a winding hoist drum The friction between the upper layers of the wire rope.
- China's demand for mineral resources has increased significantly, prompting the deepening of the exploitation of China's underground mineral resources.
- the average mining depth of mines in China is about 500m.
- the future mining depth will inevitably reach 1000-2000m.
- China's deep well lifting mostly uses single rope winding hoists (single and double cylinder) and multi-rope friction hoists.
- domestic multi-rope friction hoists are generally not recommended for use in depths exceeding 1200m. The tension of the wire rope changes too much and affects the service life of the wire rope.
- the hoisting wire rope As a key transmission component of the winding type lifting system, the hoisting wire rope is connected with the hoist and the lifting container.
- the reliability of the steel wire rope seriously affects the safety production of the coal mine and the life safety of the employees. Once the lifting wire rope fails, the machine will destroy the serious and serious safety accident. happened.
- the lifting wire rope circulates around and around the drum cyclically, especially when the wire rope is wound in multiple layers on the drum, the hoisting wire rope is circulated in and out of the drum to cause the winding, Friction and wear occurs between the wound wire rope and the lower layer wound wire rope.
- the lifting height increases, the lifting load increases, and the lifting speed increases. The influence of such friction and wear on the life of the wire rope becomes larger and larger.
- a friction device and method for detecting the friction between the wire ropes of the winding hoist are proposed.
- the friction, the temperature field, the friction coefficient and the internal crack propagation of the wire rope during the friction and wear of the wire rope are dynamically monitored in real time to reveal the friction and wear fracture of the wire rope.
- the invention solves the problem that the prior device can not detect the multi-layer high-speed winding process of the winding hoist wire rope drum
- the friction and wear are interposed, and a device and method for simulating the friction between the wires of the winding hoist drum are proposed, and the friction and wear condition of the wire rope can be dynamically monitored in real time.
- the invention firstly provides an inter-layer friction detecting device for a winding hoist wire rope, comprising a bracket, a loading wire rope positioning system arranged on the bracket, a jointless wire rope positioning system, a braking system, a power loading system and a condition monitoring system;
- the bracket comprises a base (17) and four uprights (14) fixed on the base (17), the four uprights (14) enclosing a rectangle, two longitudinal uprights perpendicular to the axis of the drive shaft (28) a beam (25) is arranged at the top, and a fixed pulley support beam (11) is arranged between the two lateral columns parallel to the axial direction of the transmission shaft (28);
- the loading wire rope positioning system comprises a fixed pulley support arranged on a fixed pulley support beam (11), two fixed pulleys (13) symmetrically arranged with respect to a vertical plane of the axis of the transmission shaft (28), and two fixed pulleys (13)
- the pin (10) is connected to the fixed sheave support, and the load wire is positioned on the two non-jointed wire ropes (27) tensioned on the hub (01) by the grooves on the circumference of the two fixed pulleys (13) The position between the gaps;
- the jointless wire rope positioning system comprises a hub (01), two parallel circular arc grooves disposed on the circumference of the hub (01), a flanged top cover (33), and a flanged top cover two (30) ), T-bolt (29), jointless wire rope (27); the outer circumference of both sides of the hub (01) are set to be inclined, flanged top cover (33), flanged top cover two (30)
- the inner side is provided with a slope structure that cooperates with the slope;
- the brake system includes a brake disc (09) disposed at an intermediate position of the coupling three (06), a pneumatic driving brake (07) disposed on the brake disc (09), and the brake is driven by the air pressure (07) a brake force acting on the brake disc (09) to brake the hub (01);
- the power loading system includes a rotary drive system and a loading system;
- the rotary drive system includes a motor (08) disposed on the base (17), a coupling three (06) coupled to the output shaft of the motor (08), and Reducer (05) with coupling three (06), coupling two (04) connected to output shaft of reducer (05), dynamic torque speed sensor (03) connected to coupling two (04) a coupling (02) connected to the dynamic torque speed sensor (03), a transmission shaft (28) connected to the coupling one (02), and a hub (01) connected to the transmission shaft (28) by a key, Rotating the hub (01) by rotation of the motor (08);
- the loading system includes a pull ring (16) coupled to the base (17), a tensioner (15) coupled to the pull ring (16), and tensioning a loading wire rope (12) connected to the device (15), a rope hook (21) connected to the other end of the loading wire rope (12), a tension sensor (20) connected to the rope hook (21), and a tension sensor (20).
- the loading wire rope (12) generates a pressure load on the two jointless wire ropes (27) on the hub (01);
- the condition monitoring system includes a dynamic torque speed sensor (03) disposed on the rotary drive system for dynamically monitoring dynamic alternating load torque and speed of the hub (01); a tension sensor (20) disposed on the loading system, For dynamically monitoring the load applied to the load wire rope (12) by the electric tie rod (19); the infrared camera (24) placed on the upper right side of the load wire rope (12) for dynamically detecting the loaded wire rope (12) and the jointless wire rope (27)
- the temperature variation law of the friction contact side during the friction and wear process; the acoustic emission sensor (26) disposed above the loading wire rope (12) is used to monitor the expansion law of the internal crack of the loaded steel wire rope (12) during the friction between the steel wire ropes.
- the winding hoist wire rope interlayer friction detecting device is provided with a circular arc rubber washer (31) in the circular arc groove to increase the attachment between the two jointless wire ropes (27) and the hub (01) Focus on avoiding the damage of the jointless wire rope (27) by the force of the hub.
- the flanged top cover (33), the inner side of the flanged top cover two (30) and the two jointless steel wire ropes (27) are provided with L-shaped rubber washer (32) prevents the jointless wire rope (27) from being damaged by the flanged top cover (33) and the flanged top cover two (30) during tensioning.
- the winding hoist wire rope interlayer friction detecting device simulates the winding friction of the winding hoist drum by loading the wire rope (12) with the contact friction of the jointless wire rope (27) symmetrically disposed on the rotating hub (01) The friction between the layers of the wire rope.
- the through holes are provided at the same angles in the upper circumference of the blue to facilitate the fastening of the T-bolts (29).
- the winding hoist wire rope interlayer friction detecting device the loading load of the loading wire rope (12) is applied by the electric pulling rod (19), and the frictional wear performance of the wire rope under different loads can be tested by changing the loading load.
- the winding lining friction wire detecting device of the winding hoist the change of the contact wrap angle between the loading wire rope (12) and the jointless steel wire rope (27) is realized by replacing the fixed pulleys (13) of different diameters, and changing the contact angle of the wire rope is The friction and wear properties of the wire rope under different contact wrap angles can be tested.
- the wound hoist wire rope interlaminar friction detecting device tests the influence of different wire rope structures on the friction between the steel wires by using differently loaded wire ropes (12) and jointless wire ropes (27).
- the invention also provides a detecting method for detecting the friction between the layers of the steel wire rope by using the above device, the flange type top cover (33) and the flange type top cover two (30) are matched with the wheel hub (01) through the inclined surface, T The bolt (29) passes through the bolt hole on the flange top cover (33) and the flange top cover two (30). The tightening nut acts under the tightening force of the T-bolt (29).
- the top cover one (33) and the flange top cover two (30) continuously squeeze the two jointless steel cords (27) so that the two jointless steel cords (27) enter the hub along the inclined surface of the hub (01) ( 01) Two parallel circles In the arcuate groove, the two jointless steel cords (27) are tensioned and fixed in the arcuate grooves in the hub (01) under the action of their own radial elastic force, and the two jointless steel cords (27) There is a gap between the joints; after the jointless steel wire rope (27) is tensioned on the circular arc groove on the hub (01), the flanged top cover (33) and the flanged top cover two (30) are removed;
- the motor (08) drives the hub (01) to rotate the unconnected wire rope (27) to rotate, and the load wire rope (12) generates frictional wear with the two jointless wire ropes (27) under the load applied by the electric pull rod (19);
- the contact friction force of the uncoupled wire rope (27) symmetrically disposed on the loading wire rope (12) and the rotating wheel hub (01) is calculated by the torque variation measured by the dynamic torque speed sensor (03);
- the contact position of the load-free wire rope (12) and the jointless wire rope (27) symmetrically disposed on the rotating hub (01) is aligned by the infrared camera (24), and the temperature variation law of the frictional contact side of the wire rope during the experiment is monitored;
- the wheel hub (01) is braked by a brake force applied to the brake disc (09) by a pneumatically driven brake (07) to test the load between the wire rope (12) and the two jointless wire ropes (27) during braking. Friction and wear performance;
- the contact angle of the loaded wire rope (12) and the jointless wire rope (27) is changed by replacing the fixed pulleys (13) of different diameters, and the effects of different contact wrap angles on the friction and wear performance between the steel wires are tested;
- the invention further provides a tension fixing method for a jointless steel wire rope applied to any of the above devices, the flange type top cover (33) and the flange type top cover two (30) pass the inclined surface and the hub (01) Fitted together, the T-bolt (29) passes through the bolt holes on the flanged top cover (33) and the flanged top cover two (30), and the tightening force of the tightening nut on the T-bolt (29) Under the action, the flanged top cover (33) and the flanged top cover two (30) continuously squeeze the two jointless steel wire ropes (27), so that the two jointless steel wire ropes (27) are along the wheel hub (01).
- the inclined surface enters two parallel circular arc-shaped grooves in the hub (01), and the two jointless steel ropes (27) are tensioned and fixed to the circular arc shape in the hub (01) under the action of the radial elastic force of the same. In the groove.
- the invention can realize the friction and wear experiment between the loaded steel wire rope and the jointless steel wire rope on the rotating hub, to reveal the friction and wear fracture mechanism of the steel wire rope, evaluate the wear damage evolution of the steel wire rope and the fatigue life of the steel wire rope. It can simulate the friction between the ropes on the winding hoist drum.
- the fixed pulley positioning device and the computer software-controlled electric lever loading method can continuously apply stable wire rope contact load, and can monitor the friction and temperature field between the ropes in real time.
- Friction coefficient and the expansion law of internal crack of steel wire rope revealing the friction and wear fracture mechanism of steel wire rope, evaluating the friction damage evolution of steel wire rope and fatigue of steel wire rope
- the life provides an effective experimental device; the experimental device is simple in operation and good in effect, and has wide practicality in the technical field.
- Figure 1 is a schematic top plan view of the present invention
- Figure 2 is a schematic left side view of the present invention
- Figure 3 is a structural view of the A-A direction hub of Figure 2;
- Figure 4 is a front view showing the structure of the jointless wire rope positioning system
- Figure 5 is a B-B arrow view of Figure 4 during tensioning of the jointless wire rope
- Figure 6 is a B-B arrow view of Figure 4 after tensioning of the jointless wire rope
- a winding hoist wire rope inter-layer friction detecting device includes a bracket, a loading wire rope positioning system on the bracket, a jointless wire rope positioning system, a brake system, a power loading system, and condition monitoring. system;
- the bracket comprises a base 17 and four uprights 14 fixed on the base 17, the four uprights 14 enclosing a rectangle, and a cross member 25 is disposed between the two longitudinal columns perpendicular to the axial direction of the drive shaft 28, parallel to the transmission
- a fixed pulley support beam 11 is disposed in the middle between the two lateral columns in the axial direction of the shaft 28.
- the loading wire rope positioning system comprises a fixed pulley support arranged on the fixed pulley support beam 11 and two fixed pulleys 13 symmetrically arranged about a vertical plane of the axis of the transmission shaft 28, and the two fixed pulleys 13 are passed through the pin shaft 10
- the fixed pulley support is connected, and the loading wire rope is positioned by a groove on the circumference of the two fixed pulleys 13 at a gap position between the two jointless steel wires 27 tensioned on the hub 01;
- the jointless wire rope positioning system comprises a hub 01, two parallel circular arc grooves provided on the circumference of the hub 01, a flanged top cover 33, a flanged top cover two 30, a T-bolt 29, and none
- the flanged top cover two 30 is matched with the hub 01 through the inclined surface, and the T-bolt 29 passes through the flange top cover 33, the bolt hole on the flange type top cover 30, and the tightening nut is in the T type.
- the flanged top cover 33 and the flanged top cover 20 30 continuously squeeze the two jointless steel cords 27, so that the two jointless steel cords 27 enter the hub along the inclined surface of the hub 01.
- the two jointless steel cords 27 are tensioned and fixed in the circular arc-shaped grooves in the hub 01 under the action of their own radial elastic force, and the two jointless steel cords 27 There is a gap between them.
- the flange type top cover 33 and the flange type top cover cover 30 can be removed by disassembling the nut 23 and the T-bolt 29.
- a circular arc-shaped rubber washer 31 is disposed in the circular arc groove to increase the adhesion between the two jointless wire ropes 27 and the hub 01 and to prevent the jointless wire rope 27 from being damaged by the force of the hub. 33.
- the inner side of the flanged top cover two 30 is in contact with the two jointless steel cords 27, and an L-shaped rubber washer 32 is arranged to prevent the jointless steel wire rope 27 from being flanged by the flange top cover 33 and the flange type during the tensioning process.
- the top cover is 30 damaged.
- the brake system includes a brake disc 09 disposed at an intermediate position of the coupling 36, a pneumatically driven brake 07 disposed on the brake disc 09, and a brake actuator 07 acting on the brake disc 09 by the air pressure. Brake force to brake the hub 01.
- the power loading system includes a rotary drive system and a loading system;
- the rotary drive system includes a motor 08 disposed on the base 17, a coupling 36 connected to the output shaft of the motor 08, and a deceleration coupled to the coupling 36
- the switch 05 connected to the output shaft of the reducer 05, the dynamic torque rotational speed sensor 03 connected to the coupling 28, the coupling 02 connected to the dynamic torque rotational speed sensor 03, and the coupling 1
- the connected transmission shaft 28 and the hub 01 connected to the transmission shaft 28 by a key are rotated by the rotation of the motor 08 to drive the hub 01;
- the loading system includes a pull ring 16 connected to the base 17, a tensioner 15 connected to the pull ring 16, a load wire 12 connected to the tensioner 15, a rope hook 21 connected to the other end of the load wire 12, and a rope
- the tension sensor 20 connected to the hook 21, the electric pull rod 19 connected to the tension sensor 20, the anchor bolt 18 connected to the electric pull rod 19, and the anchor bolt 18 are connected to the base 17, and the pulling force applied by the electric pull rod 19 acts on the loading wire rope 12.
- the wire rope 12 is then loaded to create a compressive load on the two jointless wire ropes 27 on the hub 01.
- the condition monitoring system includes a dynamic torque speed sensor 03 disposed on the rotary drive system for dynamically monitoring dynamic alternating load torque and speed of the hub 01; and a tension sensor 20 disposed on the loading system for moving
- the state is monitored by the electric pull rod 19 applied to the load of the load wire rope 12; the infrared thermal imager 24 disposed at the upper right of the load wire rope 12 is used for dynamically detecting the temperature change law of the friction contact side during the friction and wear process of the load wire rope 12 and the jointless wire rope 27
- An acoustic emission sensor 26 disposed above the loading wire rope 12 for monitoring the expansion of the internal crack of the wire rope 12 during the friction between the wires.
- the invention relates to a winding hoist wire rope inter-layer friction detecting device, which simulates the contact friction between the wire rope 12 and the jointless wire rope 27 symmetrically disposed on the rotating hub 01 to simulate the wire rope layer on the winding hoist drum Friction condition.
- the flanges of the flanged top cover two 30 are circumferentially spaced apart from each other at the same angle, and the flanges of the flanged top cover 33 are circumferentially spaced at the same angle to facilitate the fastening of the T-bolt 29 .
- the loading load of the loading wire rope 12 is applied by the electric pull rod 19.
- the friction and wear properties of the wire rope under different loads can be tested by changing the loading load.
- the invention relates to a winding hoist wire rope inter-layer friction detecting device, wherein the change of the contact angle between the loading wire rope 12 and the jointless wire rope 27 is realized by replacing the fixed pulleys 13 of different diameters, and the wire rope contact wrap angle can be changed to test different Friction and wear performance of the wire rope in contact with the wrap angle.
- the winding friction detecting device for a winding hoist wire rope is characterized in that the contact friction between the loading wire rope 12 and the jointless wire rope 27 symmetrically disposed on the rotating hub 01 is calculated by the dynamic torque rotating speed sensor 03. inferred.
- the invention relates to a winding hoist wire rope interlaminar friction detecting device, wherein the infrared camera 24 is aligned with the contact position of the unloaded wire rope 27 symmetrically disposed on the rotating wire rope 12 and the rotating wheel hub 01 for monitoring the wire rope during the experiment.
- the temperature change law of the friction contact side is a winding hoist wire rope interlaminar friction detecting device, wherein the infrared camera 24 is aligned with the contact position of the unloaded wire rope 27 symmetrically disposed on the rotating wire rope 12 and the rotating wheel hub 01 for monitoring the wire rope during the experiment.
- the above-mentioned winding hoist wire rope interlayer friction detecting device is provided with an acoustic emission sensor 26 disposed above the loading wire rope 12 for monitoring the expansion law of the internal crack of the wire rope 12 during the friction process between the steel wires.
- the above-mentioned winding hoist wire rope inter-layer friction detecting device tests the influence of different wire rope structures on the friction between the steel wires by using the loaded steel wire rope 12 and the jointless steel wire rope 27 with different structures.
- the jointless steel wire rope 27 passes through the flange type top cover 33 and the flange type top cover two 30 under the fastening force of the T-bolt 29, so that the two jointless steel wire ropes 27 have a certain taper along the hub 01.
- the symmetrical inclined surface enters the circular arc-shaped groove symmetrically disposed in the hub 01, and the two jointless steel wire ropes 27 are tensioned and fixed in the circular arc-shaped groove in the hub 01 under the action of the radial elastic force thereof, and the two are not There is a gap between the joint wires 27.
- the jointless wire rope 27 is tensioned on the circular arc groove on the hub 01, the flanged top cover 33 and the flanged top cover two 30 are removed.
- the motor 08 drives the hub 01 to rotate to drive the unconnected wire rope 27 to rotate, and the load wire rope 12 generates frictional wear with the two jointless wire ropes 27 under the load applied by the electric pull rod 19.
- the contact friction force of the unconnected wire rope 27 symmetrically disposed on the loading wire rope 12 and the rotating wheel hub 01 is calculated by the torque variation amount measured by the dynamic torque speed sensor 03;
- the contact position of the loaded wire rope 12 and the jointless wire rope 27 symmetrically disposed on the rotating hub 01 is aligned by the infrared camera 24, and the temperature variation law of the frictional contact side of the wire rope during the experiment is monitored.
- the frictional wear performance between the loaded wire rope 12 and the two jointless wire ropes 27 during braking is tested by braking the brake force applied to the brake disc 09 by the air brake brake 07 to brake the hub 01.
- the contact angle of the loaded wire rope 12 and the jointless wire rope 27 was changed by replacing the fixed pulley 13 of different diameters, and the influence of different contact wrap angles on the friction and wear performance between the steel wires was tested.
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Claims (9)
- 一种缠绕式提升机钢丝绳层间摩擦检测装置,包括支架、设在支架上的加载钢丝绳定位系统、无接头钢丝绳定位系统、制动系统、动力加载系统、状态监测系统;所述支架包括底座(17)和固定在底座(17)上的四个立柱(14),四个立柱(14)围成一矩形,垂直于传动轴(28)轴线方向的两个纵向立柱之间顶部设有横梁(25),平行于传动轴(28)轴线方向的两个横向立柱之间中部设有定滑轮支撑梁(11);所述加载钢丝绳定位系统包括设在定滑轮支撑梁(11)上的定滑轮支座、关于传动轴(28)轴线所在的竖直平面对称设置的两个定滑轮(13),两个定滑轮(13)通过销轴(10)与定滑轮支座连接,通过两定滑轮(13)圆周上的凹槽将加载钢丝绳定位于张紧在轮毂(01)上的两根无接头钢丝绳(27)之间的间隙位置;所述无接头钢丝绳定位系统包括轮毂(01)、设置在轮毂(01)圆周上的两条平行的圆弧形凹槽、法兰式顶盖一(33)、法兰式顶盖二(30)、T型螺栓(29)、无接头钢丝绳(27);轮毂(01)两侧的圆周外缘均设置为斜面,法兰式顶盖一(33)、法兰式顶盖二(30)内侧均设置有与该斜面配合的斜面结构;所述制动系统包括设置在联轴器三(06)中间位置的制动圆盘(09)、设置在制动圆盘(09)上的气压驱动制动器(07),通过气压驱动制动器(07)作用于制动圆盘(09)上的制动力来制动轮毂(01);所述动力加载系统包括旋转驱动系统和加载系统;所述旋转驱动系统包括设在底座(17)上的电机(08)、与电机(08)输出轴连接的联轴器三(06)、与联轴器三(06)连接的减速器(05)、与减速器(05)输出轴连接的联轴器二(04)、与联轴器二(04)连接的动态扭矩转速传感器(03)、与动态扭矩转速传感器(03)连接的联轴器一(02)、与联轴器一(02)连接的传动轴(28)、与传动轴(28)通过键连接的轮毂(01),通过电机(08)的旋转驱动轮毂(01)旋转;所述加载系统包括与底座(17)连接的拉环(16)、与拉环(16)连接的拉紧器(15)、与拉紧器(15)连接的加载钢丝绳(12)、与加载钢丝绳(12)另一端连接的绳钩(21)、与绳钩(21)连接的拉力传感器(20)、与拉力传感器(20)连接的电动拉杆(19)、与电动拉杆(19)连接的地脚螺栓(18),地脚螺栓(18)与底座(17)连接,电动拉杆(19)施加的拉力作用于加载钢丝绳(12)上,进而加载钢丝绳(12)对轮毂(01)上的两无接头钢丝绳(27)产生压力载荷;所述状态监测系统包括设置在旋转驱动系统上的动态扭矩转速传感器(03),用于动态监测轮毂(01)的动态交变负载扭矩和转速;设置在加载系统上的拉力传感器(20), 用于动态监测电动拉杆(19)施加于加载钢丝绳(12)的载荷;设置在加载钢丝绳(12)右上方的红外热像仪(24),用于动态检测加载钢丝绳(12)与无接头钢丝绳(27)摩擦磨损过程中摩擦接触侧面的温度变化规律;设置在加载钢丝绳(12)上方的声发射传感器(26),用于监测钢丝绳间摩擦过程中加载钢丝绳(12)内部裂纹的拓展规律。
- 根据权利要求1所述的缠绕式提升机钢丝绳层间摩擦检测装置,其特征在于,圆弧形凹槽内设置有圆弧形橡胶垫圈(31),以增加两个无接头钢丝绳(27)和轮毂(01)之间的附着力并避免无接头钢丝绳(27)被轮毂的作用力损伤,法兰式顶盖一(33)、法兰式顶盖二(30)内侧与两个无接头钢丝绳(27)接触的部位设置有L型橡胶垫圈(32),防止在张紧过程中无接头钢丝绳(27)被法兰式顶盖一(33)、法兰式顶盖二(30)损伤。
- 根据权利要求1所述的缠绕式提升机钢丝绳层间摩擦检测装置,其特征在于,其通过加载钢丝绳(12)与旋转的轮毂(01)上对称设置的无接头钢丝绳(27)的接触摩擦,来模拟缠绕式提升机滚筒上钢丝绳层间的摩擦状况。
- 根据权利要求1所述的缠绕式提升机钢丝绳层间摩擦检测装置,其特征在于,所述的法兰式顶盖二(30)的法兰上周向间隔相同角度设置沉孔,法兰式顶盖一(33)的法兰上周向间隔相同角度设置通孔,便于T型螺栓(29)紧固。
- 根据权利要求1所述的缠绕式提升机钢丝绳层间摩擦检测装置,其特征在于,加载钢丝绳(12)的加载载荷通过电动拉杆(19)施加,改变加载载荷即可测试钢丝绳在不同载荷下的摩擦磨损性能。
- 根据权利要求1所述的缠绕式提升机钢丝绳层间摩擦检测装置,其特征在于,加载钢丝绳(12)与无接头钢丝绳(27)接触包角的变化通过更换不同直径的定滑轮(13)来实现,改变钢丝绳接触包角即可测试不同接触包角状态下钢丝绳的摩擦磨损性能。
- 根据权利要求1所述的缠绕式提升机钢丝绳层间摩擦检测装置,其特征在于,通过采用不同结构的加载钢丝绳(12)和无接头钢丝绳(27)来测试不同钢丝绳结构对钢丝绳间摩擦的影响规律。
- 应用权利要求1-7任一所述装置进行检测的检测方法,其特征在于,法兰式顶盖一(33)、法兰式顶盖二(30)通过斜面与轮毂(01)配合在一起,T型螺栓(29)穿过法兰式顶盖一(33)、法兰式顶盖二(30)上的螺栓孔,旋紧螺母在T型螺栓(29)的紧固力作用下,法兰式顶盖一(33)、法兰式顶盖二(30)不断挤压两个无接头钢丝绳(27),使得两个无接头钢丝绳(27)沿着轮毂(01)上的斜面进入轮毂(01)中两条平 行的圆弧形凹槽内,两个无接头钢丝绳(27)在本身径向弹性力的作用下张紧并固定于轮毂(01)中的圆弧形凹槽中,两个无接头钢丝绳(27)之间留有缝隙;无接头钢丝绳(27)张紧在轮毂(01)上的圆弧形凹槽后,将法兰式顶盖一(33)、法兰式顶盖二(30)拆卸下来;电机(08)驱动轮毂(01)旋转带动无接头钢丝绳(27)旋转,加载钢丝绳(12)在电动拉杆(19)施加的载荷下与两个无接头钢丝绳(27)产生摩擦磨损;通过动态扭矩转速传感器(03)测得的扭矩变化量计算得出加载钢丝绳(12)与旋转的轮毂(01)上对称设置的无接头钢丝绳(27)的接触摩擦力;通过红外热像仪(24)对准加载钢丝绳(12)与旋转轮毂(01)上对称设置的无接头钢丝绳(27)的接触位置,监测实验过程中钢丝绳摩擦接触侧面的温度变化规律;通过加载钢丝绳(12)上方的声发射传感器(26),监测钢丝绳间摩擦过程中加载钢丝绳(12)内部裂纹的拓展规律;通过气压驱动制动器(07)作用于制动圆盘(09)上的制动力来制动轮毂(01),来测试制动过程中加载钢丝绳(12)与两个无接头钢丝绳(27)间的摩擦磨损性能;通过更换不同直径的定滑轮(13)改变加载钢丝绳(12)与无接头钢丝绳(27)的接触包角,测试不同接触包角对钢丝绳间摩擦磨损性能的影响;通过更换不同结构的加载钢丝绳(12)和两个无接头钢丝绳(27),测试不同钢丝绳结构对钢丝绳间摩擦磨损性能的影响。
- 应用于权利要求1-7任一所述装置的无接头钢丝绳的张紧固定方法,其特征在于,法兰式顶盖一(33)、法兰式顶盖二(30)通过斜面与轮毂(01)配合在一起,T型螺栓(29)穿过法兰式顶盖一(33)、法兰式顶盖二(30)上的螺栓孔,旋紧螺母在T型螺栓(29)的紧固力作用下,法兰式顶盖一(33)、法兰式顶盖二(30)不断挤压两个无接头钢丝绳(27),使得两个无接头钢丝绳(27)沿着轮毂(01)上的斜面进入轮毂(01)中两条平行的圆弧形凹槽内,两个无接头钢丝绳(27)在本身径向弹性力的作用下张紧并固定于轮毂(01)中的圆弧形凹槽中。
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| AU2015383063A1 (en) | 2016-09-29 |
| GB2540516B (en) | 2020-07-08 |
| CN104634686A (zh) | 2015-05-20 |
| GB201619905D0 (en) | 2017-01-11 |
| GB2540516A (en) | 2017-01-18 |
| CN104634686B (zh) | 2017-05-03 |
| AU2015383063B2 (en) | 2017-02-02 |
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