A prototype observation method for a submerged ship lift winding drum set

Abstract

The application discloses a kind of water entry type ship lift reel group prototype observation method, comprising the following steps: 1), reel device is installed after, and is arranged multiple observation points on reel device, and all observation points are zero, further comprising installation in reel device one side, and the light ranging sensor of detection end is opposite observation point;2), the predetermined length of steel wire rope wound on reel device is assembled with ship cabin, and reel device is driven by winch mechanism to carry out steel wire rope winding and unwinding to make idle ship cabin keep vertical direction movement, record each measuring point in idle ship cabin operation change;3), winch mechanism drives steel wire rope and balance weight is connected.The water entry type ship lift reel group prototype observation method provided by the application provides guidance for ship lift design and operation through ship lift reel device, stress condition, transmission torque direction, running axial displacement and other observation methods, and provides basis for optimizing design and online monitoring of reel device.

Description

TECHNICAL FIELD

[0001] The application relates to a water-entry type ship lift device and particularly relates to a water-entry type ship lift drum set prototype observation method. BACKGROUND

[0002] The water-entry type ship lift of 500t applied to Goupitan is the largest water-entry type ship lift in the world, and there is no related observation method and observation research on the operation state of each working condition of the drum. Since the force change of each mechanism of the water-entry type ship lift under the water-entry state is relatively complex, the force of each part of the drum of the hoist mechanism in the running process, axial displacement and torque transmission direction of the drum provide a strong reference for the design and operation of the ship lift. SUMMARY

[0003] The application aims to provide a water-entry type ship lift drum set prototype observation method to solve the above problems.

[0004] In order to achieve the above-mentioned purpose, the application provides the following technical scheme: a water-entry type ship lift drum set prototype observation method, comprising the following steps:

[0005] 1) After the drum device is installed, a plurality of observation points are arranged on the drum device, all the observation points are zeroed, and an optical distance measuring sensor is installed on one side of the drum device and faces the observation points;

[0006] 2) A predetermined length of steel wire rope wound on the drum device is assembled with a ship cabin, a hoist mechanism drives the drum device to wind and unwind the steel wire rope to make the idle ship cabin move in the vertical direction, and the running changes of each measuring point in the idle ship cabin are recorded;

[0007] 3) The hoist mechanism drives the steel wire rope to be connected with a counterweight, water is added to the idle ship cabin to a predetermined height, and the numerical value changes of each measuring point are collected in real time during the water adding process;

[0008] 4) The ship cabin runs at different lifting speeds respectively, and the running data changes of each measuring point are collected in real time;

[0009] 5) The ship cabin runs at different lifting speeds respectively to execute normal stopping, rapid stopping and emergency stopping, and the running data changes of each measuring point are collected in real time;

[0010] 6) During the running of the ship cabin, simulation 1 and 2 motor exit tests are respectively executed at different lifting speeds, and the running data of each measuring point is collected in real time;

[0011] 7) The ship is out of water at 10%, 50% and 100% speed respectively, and normal stopping, rapid stopping and emergency stopping are executed;

[0012] 8), the ship compartment respectively with 10%, 50%, 100% speed into the water, respectively, the normal stop, fast stop, emergency stop, real-time acquisition of each measuring point value;

[0013] 9), the ship compartment respectively with 10%, 50%, 100% speed out of the water, respectively, the normal stop, fast stop, emergency stop, real-time acquisition of each measuring point value.

[0014] As preferred, the water in the 3 empty ship compartment is 1.7m.

[0015] As preferred, the water in the 3 empty ship compartment is 2.1m.

[0016] As preferred, the water in the 3 empty ship compartment is 2.5m.

[0017] As preferred, the lifting speed in the step 4, step 5 and step 6 is 20%, 50%, 75%, 100% respectively.

[0018] As preferred, the winding drum device includes winding drum cylinder, brake disc, winding drum web, winding drum shaft sleeve, winding drum shaft, and each observation measuring point arrangement method is measuring point paste strain gauge and 45° with the axis direction, and the arrangement mode is as follows:

[0019] A, the winding drum cylinder torque observation is arranged with 2# and 6# observation points at both ends of the winding drum cylinder;

[0020] B, the winding drum shaft torque observation is arranged with 8#, 9# and 11# observation points on the winding drum shaft.

[0021] As preferred, the winding drum device is located at each bending stress observation point arrangement method is along the horizontal or vertical direction arrangement strain gauge measuring point, and the specific is as follows:

[0022] C, the bending stress observation of the winding drum cylinder is arranged with 3#, 4#, 5#, 7# observation points in the horizontal direction inner wall of the cylinder;

[0023] D, the bending stress observation of the winding drum shaft is arranged with 10# observation point in the middle position of the winding drum shaft;

[0024] F, the bending stress observation of the winding drum web is arranged with 13# and 15# observation points in the vertical direction of the surgical winding drum web;

[0025] G, the bending stress observation of the brake disc is arranged with 16#, 17#, 19#, 21# observation points in the vertical direction of the brake disc.

[0026] As preferred, the winding drum device shaft force observation point arrangement method is arranged with 1# observation point on the winding drum shaft sleeve.

[0027] Preferably, the weld stress of the drum device includes observation points 12# and 14# arranged circumferentially on the web of the drum, with the two observation points close to the weld.

[0028] Preferably, the braking stress of the drum device includes observation points #18 and #20 arranged circumferentially on the brake disc.

[0029] In the above technical solution, the prototype observation method of the water-type ship lift drum assembly provided by the present invention has the following beneficial effects: it can fully understand the operating mechanism of the water-type ship lift drum assembly, and the observation of the force, axial displacement and torque transmission of the drum assembly under various working conditions provides an effective reference for the design and operation of the ship lift. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0031] Fig. 1 This is a schematic diagram of the measuring point arrangement of the rolling device provided in an embodiment of the present invention;

[0032] Fig. 2 This is a schematic diagram of the brake disc measuring point arrangement provided in an embodiment of the present invention;

[0033] Fig. 3 This is a schematic diagram of the arrangement of measuring points on the web of a roll provided in an embodiment of the present invention.

[0034] Explanation of reference numerals in the attached figures:

[0035] Ⅰ. Drum body; Ⅱ. Brake disc; Ⅲ. Drum web; Ⅴ. Drum bushing; Ⅳ. Drum shaft Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] Example 1

[0038] like Figs. 1-3 As shown, a prototype observation method for a water-entry ship lift drum assembly includes the following steps:

[0039] 1) The winding drum device is installed and a plurality of observation points are arranged on the winding drum device, and all the observation points are zeroed, and a light distance measuring sensor is installed on one side of the winding drum device and the detection end is opposite the observation point;

[0040] 2) The predetermined length of steel wire wound on the winding drum device is assembled with the ship cabin, the winding mechanism drives the winding drum device to wind and unwind the steel wire to make the idle ship cabin move in the vertical direction, and the changes of each measuring point in the operation of the idle ship cabin are recorded;

[0041] 3) The winding mechanism drives the steel wire to be connected with the counterweight, then water is added to the idle ship cabin to a predetermined height, and the value changes of each measuring point are collected in real time during the water adding process;

[0042] 4) The ship cabin runs at different lifting speeds respectively, and the running data changes of each measuring point are collected in real time;

[0043] 5) The ship cabin runs at different lifting speeds respectively to execute normal stopping, rapid stopping and emergency stopping, and the running data changes of each measuring point are collected in real time;

[0044] 6) During the operation of the ship cabin, simulated one and two motor exit tests are performed at different lifting speeds respectively, and the running data of each measuring point is collected in real time;

[0045] 7) The ship is out of water at 10%, 50% and 100% speed respectively, and normal stopping, rapid stopping and emergency stopping are performed respectively;

[0046] 8) The ship cabin is respectively entered into water at 10%, 50% and 100% speed respectively, and normal stopping, rapid stopping and emergency stopping are performed respectively, and the values of each measuring point are collected in real time;

[0047] 9) The ship cabin is respectively out of water at 10%, 50% and 100% speed respectively, and normal stopping, rapid stopping and emergency stopping are performed respectively, and the values of each measuring point are collected in real time.

[0048] Specifically, the observation method in the above embodiment includes observation of winding drum body torque, winding drum shaft torque, winding drum body bending stress, winding drum shaft bending stress, winding drum web plate bending stress, brake disc bending stress, winding drum device axial force, winding drum device axial displacement, weld stress, brake stress and the like under different working conditions of the ship chamber hoist.

[0049] The observation working conditions of the method include static prototype observation and dynamic operation observation of the winding drum device during the water adding process of the ship cabin. The dynamic prototype observation includes observation of the operation working condition of the empty ship cabin, normal stopping, rapid stopping, emergency stopping, simulated motor exit and the like under different water depths and operation speeds of the ship cabin, and prototype observation under different speed in and out working conditions of the ship cabin.

[0050] Thus, the observation method based on the reel device is realized, the dynamic prototype observation test content is the change condition of the bending stress, the axial force, the torque, the displacement and the like of each observation point under each operation condition, and the static observation content is the stress change requirement of the reel in the static state during the water adding process of the ship compartment.

[0051] Further, the reel device comprises a reel barrel I, a brake disc II, a reel web plate III, a reel shaft sleeve V and a reel shaft IV, and the observation point arrangement method is that the strain gauges are attached to the observation points and are 45 degrees to the axial direction, and the arrangement mode is as follows:

[0052] A, the torque observation of the reel barrel I is arranged with 2# and 6# observation points at both ends of the reel barrel I;

[0053] B, the torque observation of the reel shaft IV is arranged with 8#, 9# and 11# observation points on the reel shaft IV.

[0054] Further, the reel device is arranged with the strain gauges along the horizontal or vertical direction at each bending stress observation point, and the specific arrangement is as follows:

[0055] C, the bending stress observation of the reel barrel I is arranged with 3#, 4#, 5# and 7# observation points on the inner wall in the horizontal direction of the barrel;

[0056] D, the bending stress observation of the reel shaft IV is arranged with 10# observation points at the middle position of the reel shaft IV;

[0057] F, the bending stress observation of the reel web plate III is arranged with 13# and 15# observation points in the vertical direction of the surgical reel web plate III;

[0058] G, the bending stress observation of the brake disc II is arranged with 16#, 17#, 19# and 21# observation points in the vertical direction of the brake disc II.

[0059] Further, the reel device is arranged with 1# observation point on the reel shaft sleeve V.

[0060] The weld stress of the reel device comprises 12# and 14# observation points arranged in the circumferential direction of the reel web plate III, and the two observation points are close to the weld.

[0061] In the above embodiment, the brake stress of the reel device comprises 18# and 20# observation points arranged in the circumferential direction of the brake disc II.

[0062] Embodiment 2

[0063] Another embodiment provided by the application further comprises the following steps:

[0064] 1), after the reel device is installed, a plurality of observation points are arranged on the reel device, all the observation points are zeroed, and an optical distance measuring sensor is installed on one side of the reel device and the detection end faces the observation point.

[0065] 2) Assemble the predetermined length of wire rope wound on the winding drum device with the ship cabin, and drive the winding drum device to wind and unwind the wire rope to keep the empty ship cabin moving vertically, and record the changes of each measuring point in the operation of the empty ship cabin;

[0066] 3) Drive the wire rope connected with the counterweight by the hoisting mechanism, then add water to the empty ship cabin to a predetermined 1.7m, and collect the value changes of each measuring point in real time during the water adding process;

[0067] 4) Run the ship cabin at 20%, 50%, 75%, and 100% speed respectively, and collect the running data changes of each measuring point in real time;

[0068] 5) Run the ship cabin at 20%, 50%, 75%, and 100% speed respectively to execute normal stop, fast stop, and emergency stop, and collect the running data changes of each measuring point in real time;

[0069] 6) Execute simulation 1 and 2 motor exit tests at 20%, 50%, 75%, and 100% speed respectively during the ship cabin operation, and collect the running data of each measuring point in real time;

[0070] 7) Drain water at 10%, 50%, and 100% speed, and execute normal stop, fast stop, and emergency stop respectively;

[0071] 8) Fill water at 10%, 50%, and 100% speed, and execute normal stop, fast stop, and emergency stop respectively, and collect the values of each measuring point in real time;

[0072] 9) Drain water at 10%, 50%, and 100% speed, and execute normal stop, fast stop, and emergency stop respectively, and collect the values of each measuring point in real time.

[0073] Specifically, the observation method in the above embodiment includes observation of the winding drum body torque, winding drum shaft torque, winding drum body bending stress, winding drum shaft bending stress, winding drum web bending stress, brake disc bending stress, winding drum device axial force, winding drum device axial displacement, weld stress, and brake stress in different working conditions of the ship chamber hoist.

[0074] The observation working conditions of the method include static prototype observation and dynamic operation observation of the winding drum device during the water filling process of the ship cabin. The dynamic prototype observation includes observation of the empty ship cabin operation working condition, execution of normal stop, fast stop, emergency stop, simulation motor exit under different water depths and running speeds of the ship cabin, and prototype observation under different speed in and out working conditions of the ship cabin.

[0075] Thus, the observation method based on the reel device is realized, the dynamic prototype observation test content is the change condition of the bending stress, the axial force, the torque, the displacement and the like of each observation point under each operation condition, and the static observation content is the stress change requirement of the reel in the static state during the water adding process of the ship compartment.

[0076] Further, the reel device comprises a reel barrel I, a brake disc II, a reel web plate III, a reel shaft sleeve V and a reel shaft IV, and the observation point arrangement method is that the strain gauges are attached to the observation points and are 45 degrees to the axial direction, and the arrangement mode is as follows:

[0077] A, the torque observation of the reel barrel I is arranged with 2# and 6# observation points at both ends of the reel barrel I;

[0078] B, the torque observation of the reel shaft IV is arranged with 8#, 9# and 11# observation points on the reel shaft IV.

[0079] Further, the reel device is arranged with the strain gauges along the horizontal or vertical direction at each bending stress observation point, and the specific arrangement is as follows:

[0080] C, the bending stress observation of the reel barrel I is arranged with 3#, 4#, 5# and 7# observation points on the inner wall in the horizontal direction of the barrel;

[0081] D, the bending stress observation of the reel shaft IV is arranged with 10# observation points at the middle position of the reel shaft IV;

[0082] F, the bending stress observation of the reel web plate III is arranged with 13# and 15# observation points in the vertical direction of the surgical reel web plate III;

[0083] G, the bending stress observation of the brake disc II is arranged with 16#, 17#, 19# and 21# observation points in the vertical direction of the brake disc II.

[0084] Further, the reel device is arranged with 1# observation point on the reel shaft sleeve V.

[0085] The weld stress of the reel device comprises 12# and 14# observation points arranged in the circumferential direction of the reel web plate III, and the two observation points are close to the weld.

[0086] In the above embodiment, the brake stress of the reel device comprises 18# and 20# observation points arranged in the circumferential direction of the brake disc II.

[0087] Embodiment 3

[0088] The application further provides another embodiment, which comprises the following steps:

[0089] 1), after the reel device is installed, a plurality of observation points are arranged on the reel device, all the observation points are zeroed, and an optical distance measuring sensor is installed on one side of the reel device and the detection end faces the observation point.

[0090] 2) Assemble the predetermined length of wire rope wound on the winding drum device with the ship chamber, and drive the winding drum device to wind and unwind the wire rope to keep the idle ship chamber moving in the vertical direction, and record the changes of each measuring point in the operation of the idle ship chamber;

[0091] 3) Drive the wire rope connected with the counterweight by the hoisting mechanism, then add water to the idle ship chamber to a predetermined 2.1m, and collect the value changes of each measuring point in real time during the water adding process;

[0092] 4) Run the ship chamber at 20%, 50%, 75%, and 100% speed respectively, and collect the running data changes of each measuring point in real time;

[0093] 5) Run the ship chamber at 20%, 50%, 75%, and 100% speed respectively to execute normal stop, fast stop, and emergency stop, and collect the running data changes of each measuring point in real time;

[0094] 6) Execute simulation 1 and 2 motor exit tests at 20%, 50%, 75%, and 100% speed respectively during the ship chamber operation, and collect the running data of each measuring point in real time;

[0095] 7) Drain water from the ship chamber at 10%, 50%, and 100% speed respectively, and execute normal stop, fast stop, and emergency stop respectively;

[0096] 8) Fill water into the ship chamber at 10%, 50%, and 100% speed respectively, and execute normal stop, fast stop, and emergency stop respectively, and collect the values of each measuring point in real time;

[0097] 9) Drain water from the ship chamber at 10%, 50%, and 100% speed respectively, and execute normal stop, fast stop, and emergency stop respectively, and collect the values of each measuring point in real time.

[0098] Specifically, the observation method in the above embodiment includes the observation of the winding drum body torque, winding drum shaft torque, winding drum body bending stress, winding drum shaft bending stress, winding drum web plate bending stress, brake disc bending stress, winding drum device axial force, winding drum device axial displacement, weld stress, and brake stress under different working conditions of the ship chamber.

[0099] The observation working conditions of the method include static prototype observation and dynamic operation observation of the winding drum device during the water filling process of the ship chamber. The dynamic prototype observation includes idle ship chamber operation working condition observation, normal stop, fast stop, emergency stop, simulation motor exit under different water depths and running speeds of the ship chamber, and prototype observation under different speed in and out working conditions of the ship chamber.

[0100] Thus, the observation method based on the reel device is realized, the dynamic prototype observation test content is the change condition of the bending stress, the axial force, the torque, the displacement and the like of each observation point under each operation condition, and the static observation content is the stress change requirement of the reel in the static state during the water adding process of the ship compartment.

[0101] Further, the reel device comprises a reel barrel I, a brake disc II, a reel web plate III, a reel shaft sleeve V and a reel shaft IV, and the observation point arrangement method is that the strain gauges are attached to the observation points and are 45 degrees to the axial direction, and the arrangement mode is as follows:

[0102] A, the torque observation of the reel barrel I is arranged with 2# and 6# observation points at both ends of the reel barrel I;

[0103] B, the torque observation of the reel shaft IV is arranged with 8#, 9# and 11# observation points on the reel shaft IV.

[0104] Further, the reel device is arranged with the strain gauges along the horizontal or vertical direction at each bending stress observation point, and the specific arrangement is as follows:

[0105] C, the bending stress observation of the reel barrel I is arranged with 3#, 4#, 5# and 7# observation points on the inner wall in the horizontal direction of the barrel;

[0106] D, the bending stress observation of the reel shaft IV is arranged with 10# observation points at the middle position of the reel shaft IV;

[0107] F, the bending stress observation of the reel web plate III is arranged with 13# and 15# observation points in the vertical direction of the surgical reel web plate III;

[0108] G, the bending stress observation of the brake disc II is arranged with 16#, 17#, 19# and 21# observation points in the vertical direction of the brake disc II.

[0109] Further, the reel device is arranged with 1# observation point on the reel shaft sleeve V.

[0110] The weld stress of the reel device comprises 12# and 14# observation points arranged in the circumferential direction of the reel web plate III, and the two observation points are close to the weld.

[0111] In the above embodiment, the brake stress of the reel device comprises 18# and 20# observation points arranged in the circumferential direction of the brake disc II.

[0112] Embodiment 4

[0113] The application further provides another embodiment, which comprises the following steps:

[0114] 1), after the reel device is installed, a plurality of observation points are arranged on the reel device, all the observation points are zeroed, and an optical distance measuring sensor is installed on one side of the reel device and the detection end faces the observation point.

[0115] 2) Assemble the predetermined length of wire rope wound on the winding drum device with the ship cabin, and drive the winding drum device to wind and unwind the wire rope to keep the empty ship cabin moving in the vertical direction, and record the changes of each measuring point in the operation of the empty ship cabin;

[0116] 3) Drive the wire rope connected with the counterweight by the hoisting mechanism, then add water to the empty ship cabin to a predetermined 2.5m, and collect the value changes of each measuring point in real time during the water adding process;

[0117] 4) Run the ship cabin at 20%, 50%, 75%, and 100% speed respectively, and collect the running data changes of each measuring point in real time;

[0118] 5) Run the ship cabin at 20%, 50%, 75%, and 100% speed respectively to execute normal stop, fast stop, and emergency stop, and collect the running data changes of each measuring point in real time;

[0119] 6) Execute simulation 1 and 2 motor exit tests at 20%, 50%, 75%, and 100% speed respectively during the ship cabin running process, and collect the running data of each measuring point in real time;

[0120] 7) Drain water at 10%, 50%, and 100% speed, and execute normal stop, fast stop, and emergency stop respectively;

[0121] 8) Drain water at 10%, 50%, and 100% speed, and execute normal stop, fast stop, and emergency stop respectively, and collect the values of each measuring point in real time;

[0122] 9) Drain water at 10%, 50%, and 100% speed, and execute normal stop, fast stop, and emergency stop respectively, and collect the values of each measuring point in real time.

[0123] Specifically, the observation method in the above embodiment includes observation of the winding drum body torque, winding drum shaft torque, winding drum body bending stress, winding drum shaft bending stress, winding drum web bending stress, brake disc bending stress, winding drum device axial force, winding drum device axial displacement, weld stress, and brake stress in different working conditions of the ship chamber hoist.

[0124] The observation working conditions of the method include static prototype observation and dynamic operation observation of the winding drum device during the water adding process of the ship cabin. The dynamic prototype observation includes observation of the empty ship cabin running working condition, execution of normal stop, fast stop, emergency stop, simulation motor exit, and the like under different water depths and running speeds of the ship cabin, and prototype observation under different speed in and out working conditions of the ship cabin.

[0125] Thus, the observation method based on the reel device is realized, the dynamic prototype observation test content is the change condition of the bending stress, the axial force, the torque, the displacement and the like of each observation point under each operation condition, and the static observation content is the stress change requirement of the reel in the static state during the water adding process of the ship compartment.

[0126] Further, the reel device comprises a reel barrel I, a brake disc II, a reel web plate III, a reel shaft sleeve V and a reel shaft IV, and the observation point arrangement method is that the strain gauges are attached to the observation points and are 45 degrees to the axial direction, and the arrangement mode is as follows:

[0127] A, the torque observation of the reel barrel I is arranged with 2# and 6# observation points at both ends of the reel barrel I;

[0128] B, the torque observation of the reel shaft IV is arranged with 8#, 9# and 11# observation points on the reel shaft IV.

[0129] More further, the arrangement method of each bending stress observation point of the reel device is that the strain gauges are arranged along the horizontal or vertical direction, and the specific arrangement is as follows:

[0130] C, the bending stress observation of the reel barrel I is arranged with 3#, 4#, 5# and 7# observation points on the inner wall in the horizontal direction of the barrel;

[0131] D, the bending stress observation of the reel shaft IV is arranged with 10# observation point at the middle position of the reel shaft IV;

[0132] F, the bending stress observation of the reel web plate III is arranged with 13# and 15# observation points in the vertical direction of the surgical reel web plate III;

[0133] G, the bending stress observation of the brake disc II is arranged with 16#, 17#, 19# and 21# observation points in the vertical direction of the brake disc II.

[0134] Further, the arrangement method of the axial force observation point of the reel device is that 1# observation point is arranged on the reel shaft sleeve V.

[0135] Among them, the weld stress of the reel device includes that 12# and 14# observation points are arranged in the hoop direction of the reel web plate III, and the two observation points are close to the weld.

[0136] In the above embodiment, the brake stress of the reel device includes that 18# and 20# observation points are arranged in the hoop direction of the brake disc II.

[0137] Embodiment 5

[0138] The optimal embodiment mode provided by the application further comprises the following steps:

[0139] 1), after the reel device is installed, a plurality of observation points are arranged on the reel device, all the observation points are zeroed, and an optical distance measuring sensor is installed on one side of the reel device and the detection end faces the observation point.

[0140] 2) Assemble the predetermined length of wire rope wound on the reel device with the ship chamber, and drive the reel device to wind and unwind the wire rope by the hoisting mechanism to keep the idle ship chamber moving in the vertical direction, and record the changes of the measured points in the idle ship chamber;

[0141] 3) Connect the wire rope with the counterweight driven by the hoisting mechanism, and then add water to the idle ship chamber to the predetermined 1.7m, 2.1m and 2.5m respectively, and record the changes of the measured points in real time during the three water adding processes;

[0142] 4) Run the ship chamber at 20%, 50%, 75% and 100% speed respectively, and collect the running data changes of the measured points at three different liquid levels in real time;

[0143] 5) Run the ship chamber at 20%, 50%, 75% and 100% speed respectively to execute normal stop, fast stop and emergency stop, and collect the running data changes of the measured points in real time;

[0144] 6) Execute simulation 1 and 2 motor exit tests at 20%, 50%, 75% and 100% speed respectively during the ship chamber running process, and collect the running data of the measured points at three different liquid levels in real time;

[0145] 7) Drain water at 10%, 50% and 100% speed respectively, and collect the values of the measured points at three different liquid levels in real time;

[0146] 8) Drain water at 10%, 50% and 100% speed respectively, and execute normal stop, fast stop and emergency stop respectively, and collect the values of the measured points at three different liquid levels in real time;

[0147] 9) Drain water at 10%, 50% and 100% speed respectively, and execute normal stop, fast stop and emergency stop respectively, and collect the values of the measured points at three different liquid levels in real time.

[0148] Specifically, the observation method in the above embodiment includes the observation of the reel body torque, reel shaft torque, reel body bending stress, reel shaft bending stress, reel web bending stress, brake disc bending stress, reel device axial force, reel device axial displacement, weld stress, brake stress and the like under different working conditions of the ship chamber.

[0149] The observation working conditions of the method include static prototype observation and dynamic running observation of the reel device during the water adding process of the ship chamber. The dynamic prototype observation includes idle ship chamber running working condition observation, normal stop, fast stop, emergency stop, simulation motor exit and the like under different water depths and running speeds of the ship chamber, and prototype observation under different speed in and out working conditions of the ship chamber.

[0150] Thus, the observation method based on the reel device is realized, and the dynamic prototype observation test content is the change of the bending stress, axial force, torque, displacement and the like of each observation point under each operating condition, and the static observation content is the stress change requirement of the reel in the static state during the water adding process of the ship compartment.

[0151] Further, the reel device comprises a reel cylinder I, a brake disc II, a reel web plate III, a reel shaft sleeve V and a reel shaft IV, and the arrangement method of each observation point is that the strain gauges are attached to the observation points and are 45° to the axial direction, and the arrangement mode is as follows:

[0152] A. The torque observation of the reel cylinder I is arranged with 2# and 6# observation points at both ends of the reel cylinder;

[0153] B. The torque observation of the reel shaft IV is arranged with 8#, 9# and 11# observation points on the reel shaft IV.

[0154] More further, the arrangement method of each bending stress observation point of the reel device is that the strain gauges are arranged along the horizontal or vertical direction, and the specific arrangement is as follows:

[0155] C. The bending stress observation of the reel cylinder I is arranged with 3#, 4#, 5# and 7# observation points on the inner wall in the horizontal direction of the cylinder;

[0156] D. The bending stress observation of the reel shaft IV is arranged with 10# observation point at the middle position of the reel shaft IV;

[0157] F. The bending stress observation of the reel web plate III is arranged with 13# and 15# observation points in the vertical direction of the surgical reel web plate III;

[0158] G. The bending stress observation of the brake disc II is arranged with 16#, 17#, 19# and 21# observation points in the vertical direction of the brake disc II.

[0159] Further, the arrangement method of the axial force observation point of the reel device is that 1# observation point is arranged on the reel shaft sleeve V.

[0160] Among them, the weld stress of the reel device comprises 12# and 14# observation points arranged in the circumferential direction of the reel web plate III, and the two observation points are close to the weld.

[0161] In the above embodiment, the brake stress of the reel device comprises 18# and 20# observation points arranged in the circumferential direction of the brake disc II.

[0162] It should be noted that after the three different liquid level data are collected in sequence, the average value is taken.

[0163] In summary, the operation mechanism of the water-type ship lift winding drum device can be fully understood, and the observation of the stress, axial displacement and torque transmission of the winding drum device under various working conditions can provide effective reference for the design and operation of the ship lift.

[0164] In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction. The above is only an example of the embodiment of the present application and is not used to limit the embodiment of the present application. The embodiment of the present application can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the embodiment of the present application shall be included in the scope of claims of the embodiment of the present application.

Claims

1. A prototype observation method for a water-entry ship lift drum assembly, characterized in that, Includes the following steps: 1) After the drum device is installed, multiple observation points are arranged on the drum device and all observation points are marked to zero. It also includes an optical ranging sensor installed on one side of the drum device with its detection end facing the observation point. 2) Assemble the predetermined length of wire rope wound on the drum device with the cabin, and drive the drum device to wind and unwind the wire rope so that the empty cabin remains in a vertical direction. Record the changes in the movement of each measuring point in the empty cabin. 3) The winch mechanism drives the wire rope to connect with the counterweight, and then adds water to the empty cabin to a predetermined height, while collecting the changes in values ​​at each measuring point in real time during the water filling process; 4) The cabins operate at different lifting speeds, and the operating data changes at each measuring point are collected in real time; 5) The cabins operate at different lifting speeds to perform normal shutdown, rapid shutdown, and emergency shutdown, and the operating data changes at each measuring point are collected in real time; 6) During the operation of the cabin, the simulation test of one and two motors being disconnected was performed at different lifting speeds, and the operation data of each measuring point was collected in real time; 7) The ship exits the water at 10%, 50%, and 100% speeds, respectively executing normal shutdown, rapid shutdown, and emergency shutdown. 8) The ship chambers were submerged in water at speeds of 10%, 50%, and 100% respectively, and normal shutdown, rapid shutdown, and emergency shutdown were performed respectively, with real-time data collection at each measuring point; 9) The ship chambers were discharged at 10%, 50%, and 100% speeds respectively, and normal shutdown, rapid shutdown, and emergency shutdown were performed respectively, with real-time data collection at each measuring point; The drum device includes a drum body (Ⅰ), a brake disc (Ⅱ), a drum web (Ⅲ), a drum bushing (Ⅴ), and a drum shaft (Ⅳ). The torque measurement points are arranged by attaching strain gauges to the observation points at a 45° angle to the axial direction, as follows: A. The torque observation of the drum body (Ⅰ) is arranged at observation points 2# and 6# at both ends of the drum body; B. The torque of the drum shaft (Ⅳ) is observed by observation points 8#, 9# and 11# arranged on the drum shaft (Ⅳ); The bending stress observation points of the drum device are arranged by arranging strain gauge observation points along the horizontal or vertical direction, as follows: C. The bending stress of the drum body (Ⅰ) is observed by observation points 3#, 4#, 5# and 7# arranged on the inner wall of the drum body in the horizontal direction; D. The bending stress of the drum shaft (Ⅳ) is observed by observation point #10 located at the middle of the drum shaft (Ⅳ); F. The bending stress of the surgical roll web (Ⅲ) is observed by observation points 13# and 15# arranged vertically on the surgical roll web (Ⅲ); G. The bending stress of the brake disc (II) is observed by observation points 16#, 17#, 19# and 21# arranged vertically on the brake disc (II); The method for arranging the axial force observation points of the drum device is to arrange observation point #1 on the drum bushing (V); The method for arranging weld stress observation points of the drum device includes arranging observation points 12# and 14# circumferentially on the web plate (Ⅲ) of the drum, with the two observation points close to the weld.

2. The prototype observation method for the drum assembly of a water-entry ship lift according to claim 1, characterized in that, In step 3, 1.7m of water is added to the empty cabin.

3. The prototype observation method for the drum assembly of a water-entry ship lift according to claim 1, characterized in that, In step 3, 2.1m of water is added to the empty cabin.

4. The prototype observation method for the drum assembly of a water-entry ship lift according to claim 1, characterized in that, In step 3, 2.5m of water is added to the empty cabin.

5. The prototype observation method for the drum assembly of a water-entry ship lift according to claim 1, characterized in that, The lifting and lowering speeds in steps 4, 5, and 6 are 20%, 50%, 75%, and 100%, respectively.

6. The prototype observation method for the drum assembly of a water-entry ship lift according to claim 1, characterized in that, The method for arranging the braking stress observation points of the drum device includes arranging observation points #18 and #20 in the circumferential direction of the brake disc (II).

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