WO2017215208A1 - 超深井多层缠绕钢丝绳与卷筒动态接触状态监测装置及方法 - Google Patents
超深井多层缠绕钢丝绳与卷筒动态接触状态监测装置及方法 Download PDFInfo
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- WO2017215208A1 WO2017215208A1 PCT/CN2016/108882 CN2016108882W WO2017215208A1 WO 2017215208 A1 WO2017215208 A1 WO 2017215208A1 CN 2016108882 W CN2016108882 W CN 2016108882W WO 2017215208 A1 WO2017215208 A1 WO 2017215208A1
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- wire rope
- double
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- strain gauge
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 39
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 238000012806 monitoring device Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 39
- 238000012360 testing method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000004540 process dynamic Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000009662 stress testing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
Definitions
- the invention relates to an ultra-deep well multi-layer winding wire rope and reel dynamic contact state monitoring device and method, and is used for researching an ultra-deep well wound hoist double-fold multi-layer winding steel wire rope and reel in a steel wire rope subjected to dynamic load lifting process Dynamic contact stress on the surface of the drum and the double-reel drum baffle.
- the mine hoist is responsible for the promotion of minerals and lifting personnel, equipment and materials in the production process, and is an important hub for contacting the ground and underground.
- the coal resources under the kilometer formation in China account for 53% of the proven coal reserves. Therefore, the mining and transportation of ultra-deep mines have received extensive attention.
- Ultra-deep mine lifting generally adopts two types of vertical shaft multi-rope friction lifting system and winding type lifting system.
- the existing multi-rope friction type lifting machine standard in China is generally not recommended to use in the case of depth exceeding 1200 meters.
- the system uses a single-layer winding method to increase the diameter of the reel by increasing the diameter of the reel and increasing the length of the reel.
- the effect of the reel is limited, and the amount of the rope of the reel must be greatly increased.
- the way of multi-layer winding In the multi-rope winding type lifting system, China's “Coal Mine Safety Regulations” stipulates that the number of steel wire ropes wound on the reel is two layers when lifting the material in the vertical shaft, and the Ontario “Otto Occupational Health and Safety Act” stipulates that there are Do not exceed 3 layers of winding when the spiral groove is used.
- the main components of the winding hoist are spindle, reel (glossy wire rope reel, spiral wire rope reel and double-fold wire rope reel), wire rope, lifting container, sky wheel and brake, etc.
- the wire rope is fixed at one end and wrapped around the lifting.
- the other end bypasses the crown wheel to suspend the lifting container, and uses the reel to rotate or unwind the wire rope in the forward and reverse directions to realize the lifting and lowering movement of the lifting container; the double-wound double-folded wire rope reel (double-folded reel)
- the rope groove is composed of two straight line segments perpendicular to the axis of the reel and two-fold line segments at an angle to the axis of the reel. They can reduce the space size of the hoisting mechanism and greatly extend the life of the wire rope compared with other reels. . Therefore, the double-reel drum of the winding hoist is a key component for the load and transmission of the hoist. Once the failure occurs, it will cause serious economic losses and serious casualties.
- the hoisting wire rope wound on the reel circulates and lowers the lifting container cyclically.
- the acceleration, uniform speed and deceleration characteristics of the hoist and the length of the overhanging steel wire rope cause the lateral and longitudinal coupling of the vertical shaft lifting system.
- the vibration characteristics cause the dynamic load of the hoisting wire rope, which leads to the dynamic contact stress between the first layer of the wound wire rope and the double-folded roll surface and the different winding layer climbing wire rope and the double-folded wire spool baffle wound on the double-folded reel .
- the radial pressure generated on the surface of the double-folded reel during the winding process of the first-layer wound steel wire and the shaft generated by the double-wound reel baffle of the different winding layer climbing section The thrust will cause fatigue damage such as deformation, cracking and even breakage of the double-folded reel and its reel baffle, which further affects the service life of the hoist and even causes a safety accident.
- the ultra-deep well winding hoist double Multi-layer winding wire rope and reel dynamic contact state monitoring device and method for exploring the first layer of wound wire rope on the double-draw line reel surface and the different winding layer climbing line wire rope to double-fold line reel The dynamic contact stress of the plate further has important theoretical guiding significance for the failure mechanism and life prediction of the fatigue damage of the double-folded drum.
- Patent No. CN201310398365.X discloses a mine hoist load simulation hydraulic loading test device, which is a wire rope through which the hoist drum of the hoist main lifting mechanism is wound and The hoist load simulates the hydraulic loading test mechanism to connect the wire rope wound with the test roll, and provides the continuous load and driving torque for the tested hoist according to the actual working conditions; Patent No.
- CN201410528414.1 discloses an ultra-deep mine lifting system
- the test bench and the method specifically relate to the detection of important parameters such as the tension of the steel wire rope of the lifting system, the pressure of the reel, and the coordinates of the position of the lifting container
- the patent number CN201520661617.8 discloses a reel stress testing device, through a set
- the drive unit can be used as a universal part for the different reel stress tests.
- none of the above patents can consider the dynamic contact stress of the multi-layer wound wire rope and the reel and the reel baffle under dynamic loading of the wire rope.
- the present invention provides a super-deep well multi-layer wound wire rope and reel dynamic contact state monitoring device and method, which can study the ultra-deep well wound hoist double-fold line multi-layer winding steel wire rope and The dynamic contact stress of the wire rope on the surface of the double-folded reel and the double-folded reel baffle during the dynamic load lifting of the wire rope.
- an ultra-deep well multi-layer wound wire rope and reel dynamic contact state monitoring device including a support system, a winding system, a dynamic loading monitoring system, and a stress monitoring system;
- the support system comprises a bottom plate and a servo electric cylinder support, and the servo electric cylinder support is fixed on the bottom plate;
- the winding system includes an electric motor, a high speed stage coupling, a speed reducer, a low speed coupling, a bearing housing A, a friction disc A, a disc brake A, a disc brake B, a main shaft, a double folding reel, and a friction disc B.
- Disc brake C, disc brake D, bearing block B, wire rope, the motor is fixed on the bottom plate, the motor output shaft is connected to the input end of the reducer through a high-speed coupling, and the output of the reducer is passed through a low-speed coupling.
- One end of the main shaft is connected, and the two ends of the main shaft are installed in the bearing housing A and the bearing housing B through bearings.
- the bearing housing A and the bearing housing B are fixed on the bottom plate through the bearing housing, and two flanges are arranged on the main shaft, and the sleeve is placed on the main shaft.
- the double-folded reel on the main shaft is fixed with two flanges, the friction disc A and the friction disc B are fixed on both sides of the double-folded reel, and the disc brake A and the disc brake B are fixed on the bottom plate of the friction disc A side.
- the disc brake C and the disc brake D are fixed on the bottom plate on the side of the friction disc B, and the steel cord is wound on the rope groove of the double-folded reel, and the steel cord is wound at least two layers;
- the dynamic loading monitoring system includes a servo electric cylinder, an S-type tensile force sensor, a wire rope clamp, and a wire rope U Type lock, the servo electric cylinder is fixed on the servo electric cylinder support, the threaded rod of the servo electric cylinder is connected with one end of the S-type tensile sensor, and the other end of the S-type tensile sensor is connected with the wire rope clamp, one end of the wire rope passes through the wire rope clamp and passes through the wire rope U Type lock is locked;
- the stress monitoring system includes a strain gauge group A, a strain gauge group B, a strain gauge group C, a strain gauge group D, and a baffle side strain gauge, and a U-shaped pass is formed in two straight line sections of the rope groove of the double fold line reel.
- the groove B and the U-shaped through groove D are provided with a U-shaped through groove A and a U-shaped through groove C in the two-fold line portion of the rope groove of the double-folded reel, and the baffle side U is opened on the baffle of the double-folded reel
- the type of through groove the strain gauge group A is adhered to the inner wall of the U-shaped through groove A
- the strain gauge group B is pasted to the inner wall of the U-shaped through groove B
- the strain gauge group C is pasted to the inner wall of the U-shaped through groove C
- the strain gauge group D is pasted to the U
- the inner wall of the through groove D and the strain gauge on the baffle side are attached to the inner wall of the U-shaped through groove on the baffle side
- the number of strain gauges on the baffle side is the same as the number of wound layers of the wire rope, and each baffle side strain piece corresponds to a layer of steel wire rope.
- the U-shaped through groove A, the U-shaped through groove B, the U-shaped through groove C, and the U-shaped through groove D are all disposed parallel to the axis of the double-folded reel.
- the ultra-deep well multi-layer winding wire rope and reel dynamic contact state monitoring method comprises the following steps:
- all the strain gauges are attached to the inner walls of the corresponding U-shaped through grooves, and the baffle side strain gauges are attached to the inner wall of the U-shaped through grooves on the baffle side;
- the strain gauge group D and the baffle side strain gauge are energized, the S-type tensile force sensor is used to record the change of the dynamic load of the steel wire rope, the strain gauge group is used to record the dynamic stress of the steel wire rope on the surface of the double-folded reel, and the baffle side strain gauge records the different layers of the steel wire rope. Dynamic stress on the double-folded reel baffle;
- the present invention is directed to an ultra-deep well wound hoist capable of dynamically monitoring the first layer of wound wire rope on the surface of the double-folded reel and the different wound wire in the condition that the wire rope is subjected to dynamic load and the winding of the double-folded reel is changed.
- the evolution law of the dynamic contact stress parameters of the double-folded reel baffle provides an effective experimental equipment and basis for the study of the fatigue damage behavior of the double-wound multi-layer wound wire rope reel of the ultra-deep well-wound hoist under different lifting conditions. It is predicted that the service life of the ultra-deep well wound hoist double-fold multi-layer wound wire rope reel has wide application, and it has important guiding significance for the ultra-deep well wound hoist mine to improve the operation safety.
- Figure 1 is a front view of the structure of the present invention
- Figure 2 is a view taken along line A-A of Figure 1;
- Figure 3 is a B-B arrow view of Figure 1;
- Figure 4 is a front view of the double fold line reel
- Figure 5 is a partial enlarged view of IV in Figure 4.
- Figure 6 is a development view of a double-folded reel
- Figure 7 is a view taken along line C in Figure 4.
- Figure 8 is a partial enlarged view of a portion I in Figure 7;
- Figure 9 is a partial enlarged view of the portion III in Figure 7;
- Figure 10 is a view in the direction of D in Figure 4.
- Figure 11 is a partial enlarged view of the portion II in Figure 10;
- an ultra-deep well multi-layer wound wire rope and reel dynamic contact state monitoring device includes a support system, a winding system, a dynamic loading monitoring system, and a stress monitoring system.
- the support system comprises a bottom plate 1, a servo electric cylinder support 9, and a servo electric cylinder support 9 is fixed on the bottom plate 1.
- the winding system includes an electric motor 10, a high speed stage coupling 11, a speed reducer 12, a low speed stage coupling 13, a bearing housing A14, a friction disc A15, a disc brake A20, a disc brake B21, a main shaft 18, and a double fold line coil.
- Motor 10 fixed On the bottom plate 1, the output shaft of the motor 10 is connected to the input end of the speed reducer 12 through the high speed stage coupling 11, and the output end of the speed reducer 12 is connected to one end of the main shaft 18 through the low speed stage coupling 13, and both ends of the main shaft 18 are mounted by bearings.
- the bearing housing A14 and the bearing housing B19 are fixed on the bottom plate 1 through the bearing housing.
- the main shaft 18 is provided with two flanges, and the double sleeves are placed on the main shaft 18 by high-strength bolts.
- the folding reel 16 is fixed with two flanges, and the friction disc A15 and the friction disc B17 are respectively fixed on both sides of the double-folded reel 16 by high-strength bolts, and the disc brake A20 and the disc brake B21 are fixed on the friction disc A15 side.
- the disc brake C3 and the disc brake D2 are fixed to the bottom plate 1 on the side of the friction disc B17.
- a wire rope 4 is wound around the rope groove of the double-folded reel 16, and the wire rope 4 is wound at least twice.
- the dynamic loading monitoring system includes a servo electric cylinder 8, an S-type tension sensor 7, a wire rope clamp 6, and a wire rope U-shaped lock 5.
- the servo electric cylinder 8 is fixed on the servo electric cylinder support 9, and the threaded rod of the servo electric cylinder 8 is
- the S-type tension sensor 7 is connected at one end, and the other end of the S-type tension sensor 7 is connected to the wire rope clamp 6, and one end of the wire rope 4 passes through the wire rope clamp 6 and is locked by the wire rope U-shaped lock 5.
- the stress monitoring system includes a strain gauge group A23, a strain gauge group B25, a strain gauge group C27, a strain gauge group D29, and a baffle side strain gauge, and a U-shaped portion is formed in two straight line portions of the rope groove of the double-folded spool 16
- the through groove B24 and the U-shaped through groove D28 are provided with a U-shaped through groove A22 and a U-shaped through groove C26 in the two-fold line portion of the rope groove of the double-folded reel 16, the U-shaped through groove A22 and the U-shaped through groove.
- the B24, the U-shaped through groove C26 and the U-shaped through groove D28 are all disposed parallel to the axis of the double-folded reel 16 , and the baffle-side U-shaped through groove is opened in the baffle of the double-folded reel 16 .
- the strain gauge group A23 is attached to the inner wall of the U-shaped through groove A22
- the strain gauge group B25 is attached to the inner wall of the U-shaped through groove B24
- the strain gauge group C27 is attached to the inner wall of the U-shaped through groove C26
- the strain gauge group D29 is attached to the U-shaped through groove D28.
- the inner wall and the baffle side strain gauge are attached to the inner wall of the U-shaped groove on the baffle side, and the number of strain gauges on the baffle side is the same as the number of wound layers of the wire rope 4, and each baffle side strain piece corresponds to a layer of steel wire rope.
- the wire rope 4 is wound in three layers, and the number of the U-shaped through grooves on the baffle side is three, respectively, the U-shaped through groove E30, the U-shaped through groove F32, the U-shaped through groove G34, and the baffle side strain gauges are three.
- the strain gauge E31 attached to the inner wall of the U-shaped groove E30
- the strain gauge F33 attached to the inner wall of the U-shaped groove F32
- the strain gauge G35 attached to the inner wall of the U-shaped groove G34
- the strain gauge E31 corresponding to the first layer of the wire rope
- the strain gauge F33 corresponds to the second layer of steel wire rope
- the strain gauge G35 corresponds to the third layer of steel wire rope.
- the ultra-deep well multi-layer winding wire rope and reel dynamic contact state monitoring method comprises the following steps:
- all the strain gauges are attached to the inner walls of the corresponding U-shaped through grooves, and the baffle side strain gauges are attached to the inner wall of the U-shaped through grooves on the baffle side;
- the motor 10 is started by the controller, and the wire rope 4 is wound on the double-folded reel 16, and when the required number of winding layers is obtained, the rotation of the motor 10 is stopped, and the disc brake is applied to the friction disc to make the double-folded reel 16 brake, the horizontal movement of the servo electric cylinder 9 is controlled by the computer, so that the wire rope 4 is forced to reach the set fatigue load or deformation value;
- the alternating displacement amplitude (ie, telescopic displacement and frequency) of the servo electric cylinder 9 through a computer control program to obtain the dynamic alternating load of the steel wire rope 4, simulating the wire rope 4 pairs of double-folded wire reels during the dynamic load-lifting process of the wire rope Dynamic stress of surface 16 and baffle, when the dynamic stress of the wire rope 4 on the surface of the double-folded reel 16 and the baffle during the dynamic load-lifting process of the simulated steel wire rope, the electric power is turned on to the electric motor 10, the servo electric cylinder 9, the S-type tensile force sensor 8
- the strain gauge group A23, the strain gauge group B25, the strain gauge group C27, the strain gauge group D29, the strain gauge E31, the strain gauge F33, and the strain gauge G35 are energized, and the S-type tensile force sensor 8 records the change of the dynamic load of the steel cord 4, and the strain is used.
- the film group records the dynamic stress of the wire rope 4
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Abstract
Description
Claims (3)
- 一种超深井多层缠绕钢丝绳与卷筒动态接触状态监测装置,其特征在于:包括支撑系统、缠绕系统、动态加载监测系统、应力监测系统;所述支撑系统包括底板(1)、伺服电动缸支座(9),伺服电动缸支座(9)固定在底板(1)上;所述缠绕系统包括电动机(10)、高速级联轴器(11)、减速器(12)、低速级联轴器(13)、轴承座A(14)、摩擦盘A(15)、盘式制动器A(20)、盘式制动器B(21)、主轴(18)、双折线卷筒(16)、摩擦盘B(17)、盘式制动器C(3)、盘式制动器D(2)、轴承座B(19)、钢丝绳(4),电动机(10)固定在底板(1)上,电动机(10)输出轴通过高速级联轴器(11)与减速器(12)输入端连接,减速器(12)输出端通过低速级联轴器(13)与主轴(18)的一端连接,主轴(18)两端通过轴承安装在轴承座A(14)、轴承座B(19)内,轴承座A(14)、轴承座B(19)通过轴承座支撑固定在底板(1)上,主轴(18)上设有两个法兰盘,将套在主轴(18)上的双折线卷筒(16)与两个法兰盘固定,摩擦盘A(15)、摩擦盘B(17)固定在双折线卷筒(16)两侧,盘式制动器A(20)、盘式制动器B(21)固定在摩擦盘A(15)一侧的底板(1)上,盘式制动器C(3)、盘式制动器D(2)固定在摩擦盘B(17)一侧的底板(1)上,在双折线卷筒(16)的绳槽上缠绕钢丝绳(4),钢丝绳(4)至少缠绕两层;所述动态加载监测系统包括伺服电动缸(8)、S型拉力传感器(7)、钢丝绳夹具(6)、钢丝绳U型锁具(5),伺服电动缸(8)固定在伺服电动缸支座(9)上,伺服电动缸(8)的螺纹杆与S型拉力传感器(7)一端连接,S型拉力传感器(7)另一端与钢丝绳夹具(6)连接,钢丝绳(4)一端穿过钢丝绳夹具(6)并通过钢丝绳U型锁具(5)锁紧;所述应力监测系统包括应变片组A(23)、应变片组B(25)、应变片组C(27)、应变片组D(29)、挡板侧应变片,在双折线卷筒(16)的绳槽的两直线段部分开设有U型通槽B(24)、U型通槽D(28),在双折线卷筒(16)的绳槽的两折线段部分开设有U型通槽A(22)、U型通槽C(26),在双折线卷筒(16)的挡板开设有挡板侧U型通槽,应变片组A(23)粘贴于U型通槽A(22)内壁,应变片组B(25)粘贴于U型通槽B(24)内壁,应变片组C(27)粘贴于U型通槽C(26)内壁,应变片组D(29)粘贴于U型通槽D(28)内壁,挡板侧应变片粘贴于挡板侧U型通槽内壁,挡板侧应变片数量与钢丝绳(4)缠绕层数相同,每个挡板侧应变片对应一层钢丝绳。
- 根据权利要求1所述的一种超深井多层缠绕钢丝绳与卷筒动态接触状态监测装置,其特征在于:所述U型通槽A(22)、U型通槽B(24)、U型通槽C(26)、U型通槽D(28)均平行于双折线卷筒(16)轴线设置。
- 根据权利要求1所述监测装置的超深井多层缠绕钢丝绳与卷筒动态接触状态监 测方法,其特征在于,包括以下步骤:a)、将所有应变片组粘贴到各自对应的U型通槽内壁上,挡板侧应变片粘贴于挡板侧U型通槽内壁上;b)、选取合适长度的钢丝绳(4),将钢丝绳(4)一端穿过钢丝绳夹具(6)并用钢丝绳U型锁具(5)锁紧;c)、通过控制器启动电动机(10),将钢丝绳(4)缠绕在双折线卷筒(16)上,当获得所需的缠绕层数时,停止电动机(10)转动,用盘式制动器作用于摩擦盘使双折线卷筒(16)制动,通过计算机控制伺服电动缸(9)水平移动使得钢丝绳(4)受力达到设定疲劳载荷或变形值;d)、通过计算机控制程序设定伺服电动缸(9)的交变位移幅值,获得钢丝绳(4)的动态交变载荷,模拟钢丝绳动态承载提升过程中钢丝绳(4)对双折线卷筒(16)表面和挡板的动态应力,在模拟钢丝绳动态承载提升过程中钢丝绳(4)对双折线卷筒(16)表面和挡板的动态应力时,打开电源给电动机(10)、伺服电动缸(9)、S型拉力传感器(8)、应变片组A(23)、应变片组B(25)、应变片组C(27)、应变片组D(29)、挡板侧应变片通电,用S型拉力传感器(8)记录钢丝绳(4)动态载荷的变化,用应变片组记录钢丝绳(4)对双折线卷筒(16)表面的动态应力,挡板侧应变片记录不同层钢丝绳(4)对双折线卷筒(16)挡板的动态应力;e)、通过改变钢丝绳(4)的缠绕层数及伺服电动缸(9)的交变位移幅值,模拟不同缠绕层及不同动态载荷下钢丝绳(4)对双折线卷筒(16)表面及挡板的动态接触应力。
Priority Applications (2)
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