CN109132768A - The fatigue life of elevator components verifies system - Google Patents
The fatigue life of elevator components verifies system Download PDFInfo
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- CN109132768A CN109132768A CN201811275198.9A CN201811275198A CN109132768A CN 109132768 A CN109132768 A CN 109132768A CN 201811275198 A CN201811275198 A CN 201811275198A CN 109132768 A CN109132768 A CN 109132768A
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- China
- Prior art keywords
- mobile station
- wirerope
- bracket
- tapered sleeve
- electric cabinet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0037—Performance analysers
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention relates to a kind of fatigue lives of elevator components to verify system.It include: tapered sleeve group, pulley set, power device, mobile station, testing stand bracket, electric cabinet, the range unit and pressure sensor being electrically connected with the electric cabinet with wirerope；The mobile station and the pulley set are located on the testing stand bracket, and the mobile station is located at the top of the pulley set, and a space is formed between the pulley set；The tapered sleeve group is located in the space, and solderless wrapped connection is in the pulley set, and one end of the tapered sleeve group is fixedly connected with the mobile station；The power device is fixed on the testing stand bracket, and the electric cabinet is electrically connected with the power device, and the pressure sensor is for measuring under the tensioner state stress of the wirerope and by the force feedback to the electric cabinet., can be in the elongation of ground survey elevator wire rope using the system, structure is also fairly simple, therefore its cost that can substantially reduce verifying.
Description
Technical field
The present invention relates to field of engineering technology, verify system more particularly to a kind of fatigue life of elevator components.
Background technique
Elevator wire rope and terminating set are all the common components of elevator, and tapered sleeve is as mostly important in terminating set
A components, and wirerope fatigue life concerning the safe operation problem of elevator.Therefore, to the fatigue of wirerope
Service life and the fatigue life of tapered sleeve, which are verified, to be just particularly important.
The verifying of traditional Fatigue Life of Steel Wire Rope to elevator generally all elevator shaft bottom carry out, by manual measurement with
The elongation of the wirerope of the counterweight of lift car opposite side, to determine whether wirerope reaches fatigue life.To tapered sleeve
The strength theory value that fatigue life is generally all only calculated by mechanics of materials aspect, without experiment value.Therefore, usually exist
Do not know when a tapered sleeve can be replaced using how many times wirerope, for elevator safety operation, generallys use each replacement
When elevator wire rope, tapered sleeve is replaced together.
But the above-mentioned scheme for whether reaching fatigue life in elevator shaft bottom measuring steel wire rope, exist and verifies at high cost ask
Topic.
Summary of the invention
Based on this, it is necessary to for the above-mentioned scheme for whether reaching fatigue life in elevator shaft bottom measuring steel wire rope, exist
Problem at high cost is verified, a kind of fatigue life verifying system of elevator components is provided.
A kind of fatigue life verifying system of elevator components, comprising: tapered sleeve group, pulley set, power dress with wirerope
It sets, mobile station, testing stand bracket, electric cabinet, the range unit and pressure sensor being electrically connected with the electric cabinet；The shifting
Dynamic platform and the pulley set are located on the testing stand bracket, and the mobile station is located at the top of the pulley set, and with institute
It states and forms a space between pulley set；The tapered sleeve group is located in the space, and solderless wrapped connection is in the pulley set, and the cone
One end of set group is fixedly connected with the mobile station；The power device is fixed on the testing stand bracket, the electric cabinet
It is electrically connected with the power device；
The wirerope is in exceptionally straight state in the initial state, and the power device is defeated under the control of the electric cabinet
Driving force out, to drive the mobile station to move up and down；The wirerope is when the mobile station is moved upwards by exceptionally straight state
Become tensioner state, the elongation that the range unit is used to measure the wirerope when becoming tensioner state from exceptionally straight state,
The pressure sensor is for measuring under the tensioner state stress of the wirerope and by the force feedback to the electricity
Control case.
The pulley set includes: rope sheave, shaft, two rope sheave brackets being oppositely arranged, institute in one of the embodiments,
Two rope sheave brackets are stated to be fixed on the testing stand bracket；The shaft wears described two rope sheave brackets, the rope sheave set
It is located in the shaft, the wirerope solderless wrapped connection is on the rope sheave；When original state, work of the wirerope in the rope sheave
It is in exceptionally straight state with lower, and the length of the wirerope of the rope sheave two sides is identical.
The tapered sleeve group includes: two tapered sleeves, two voussoirs, wirerope, two hanging ring spiral shells in one of the embodiments,
Bolt, two pin shafts；One end of the lifting bolt plugs in the tapered sleeve and is connect by the pin shaft with the tapered sleeve, described
The other end of lifting bolt is fixedly connected with the mobile station；The both ends of the wirerope are located at the chamber inside the tapered sleeve
In body, and it is fixed in the tapered sleeve by the voussoir wedging.
The tapered sleeve group further includes fixing piece in one of the embodiments,；The other end of the lifting bolt wears institute
Mobile station is stated, and protrudes from the mobile station；The pressure sensor is socketed in the lifting bolt and protrudes from the mobile station
Part, the fixing piece is used to the pressure sensor and the lifting bolt being fixed on the mobile station.
The power device includes: torque motor, speed reducer, crossed-axes gear drive component, connection in one of the embodiments,
Axis device, ball-screw group；The drive shaft and the crossed-axes gear drive group that the drive shaft of the torque motor passes through the speed reducer
Part connection；The crossed-axes gear drive component is connect by shaft coupling with the ball-screw group；The torque motor and described subtract
Fast machine is electrically connected with the electric cabinet；The torque motor and the speed reducer are lauched flat turn in the electro ultrafiltration of the electric cabinet
It is dynamic, and generate horizontal power；The horizontal power passes to described under the action of the crossed-axes gear drive component and shaft coupling
Ball-screw group rotates the ball-screw group, and the mobile station is driven to move up and down.
The power device further includes lead screw bracket in one of the embodiments, and the shaft coupling is located at the lead screw
In the hollow cavity of internal stent, one end of the ball-screw group passes through through-hole and the shaft coupling on the lead screw bracket
Connection.
The testing stand bracket includes: bracket upper beam, bracket base, is oriented to polished rod in one of the embodiments, described
Bracket upper beam is connect by the guiding polished rod with the bracket base；The range unit is fixed on the bracket upper beam；
The power device and the pulley set are separately fixed on the bracket base, and on the ball-screw group and the bracket
Beam rotation connection；The mobile station moves up and down along the guiding polished rod.
The mobile station includes: mobile station bracket, ball nut group, linear bearing in one of the embodiments,；It is described
One end of guiding polished rod passes through the linear bearing and connect with the bracket upper beam；The other end of the guiding polished rod and the branch
The connection of frame pedestal；The ball-screw group passes through the ball nut group and the bracket upper beam is rotatablely connected；The ball spiral shell
Female group under the rotary action of the ball-screw group, drives the mobile station to move up and down along the guiding polished rod.
In one of the embodiments, the electric cabinet include: PLC programmable logic controller (PLC), Moment Motor Controller,
Display screen；The PLC programmable logic controller (PLC) is electrically connected with the Moment Motor Controller, the display screen；The torque
Electric machine controller and the torque motor and the deceleration mechatronics.
The system also includes the components of taking pictures that are electrically connected with the electric cabinet in one of the embodiments,；The bat
According to component for taking pictures to the tapered sleeve state in the tapered sleeve group, and the image of acquisition is sent to the electric cabinet.
The fatigue life of above-mentioned elevator components verifies system, comprising: tapered sleeve group, pulley set, power dress with wirerope
It sets, mobile station, testing stand bracket, electric cabinet, range unit and pressure sensor.After electric cabinet starts work, exist first
Parameter is inputted on electric cabinet, obtains the curve of pulling force and time that a wire rope is subject to, then electric cabinet can pass through control
Power device output driving power, so that wirerope be driven to stretch, generates elongation so that mobile station moves up and down；Pressure sensing
Whether device can monitor power device according to preset pulling force output driving power, and is transmitted to electric cabinet and is handled, and survey
Away from the elongation that device can be generated in mobile station moving process by measuring steel wire rope, to obtain the general extension of wirerope
Amount, and the total elongation of the wirerope of measurement and the elongation of scrapping of preset wirerope are compared, if reaching default
Wirerope scrap elongation, then just more change steel rope, if do not reach the elongation of scrapping of preset wirerope, just
The wirerope is continued with to be tested.System is verified using the fatigue life of elevator components provided by the embodiment, it can be true
The operational process of simulation elevator, therefore, the total elongation of the wirerope obtained by the system meet the true operation of elevator
Situation compares, so that it may whether verify wirerope so scrapping elongation by the total elongation and preset wirerope
It needs replacing, and the result verified is accurate.In addition, system provided in this embodiment can be implemented on ground, different from traditional
The scheme of the fatigue life of elevator wire rope is measured in elevator shaft bottom, composed structure is also fairly simple, therefore it can be with
Substantially reduce the cost of verifying.
Detailed description of the invention
Fig. 1 is to verify the structural schematic diagram of system the fatigue life for the elevator components that one embodiment provides；
Fig. 2 is the structural schematic diagram of pulley set in the fatigue life verifying system for the elevator components that one embodiment provides；
Fig. 3 is the structural schematic diagram of tapered sleeve group in the fatigue life verifying system for the elevator components that one embodiment provides；
Fig. 4 is the structural representation of power device in the fatigue life verifying system for the elevator components that one embodiment provides
Figure；
Fig. 5 is the structural representation of testing stand bracket in the fatigue life verifying system for the elevator components that one embodiment provides
Figure；
Fig. 6 is the structural schematic diagram of mobile station in the fatigue life verifying system for the elevator components that one embodiment provides；
Fig. 7 is the structural schematic diagram of electric cabinet in the fatigue life verifying system for the elevator components that one embodiment provides；
Fig. 8 is the curve graph of wirerope is subject in one embodiment pulling force and time；
Fig. 9 is to verify the structural schematic diagram of system the fatigue life for the elevator components that another embodiment provides.
Appended drawing reference:
10: tapered sleeve group；11: pulley set；
12: power device；13: mobile station；
14: testing stand bracket；15: electric cabinet；
16: range unit；17: pressure sensor；
18: component of taking pictures；101: wirerope；
102: tapered sleeve；103: voussoir；
104: lifting bolt；105: pin shaft；
106: fixing piece；107: elastic buffering pad；
111: rope sheave；112: shaft；
113: rope sheave bracket；114: fixing bolt；
121: torque motor；122: speed reducer；
123: crossed-axes gear drive component；124: shaft coupling；
125: ball-screw group；126: lead screw bracket；
131: mobile station bracket；132: ball nut group；
133: linear bearing；141: bracket upper beam；
142: bracket base；143: guiding polished rod；
144: ground footed glass；151:PLC programmable logic controller (PLC)；
152: Moment Motor Controller；153: display screen.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
The fatigue life of elevator components provided by the embodiments of the present application verifies system, can be applied to elevators field.It is not
It can only be used to measure whether elevator wire rope reaches fatigue life, the terminating set that can also be used to measure elevator wire rope is
It is no to reach fatigue life.Due to including the components such as tapered sleeve, voussoir in terminating set, electricity provided in an embodiment of the present invention
Fatigue life of terraced component verifies system, can also be that whether reaching fatigue life to tapered sleeve verifies, the embodiment of the present application
It does not limit this.
The verifying of traditional Fatigue Life of Steel Wire Rope to elevator generally all elevator shaft bottom carry out, by manual measurement with
The elongation of the wirerope of the counterweight of lift car opposite side, to determine whether wirerope reaches fatigue life.This scheme
Although whether fatigue life can be reached with measuring steel wire rope, since its needs is verified in elevator shaft bottom, exist
Verify problem at high cost.The embodiment of the present application provides a kind of fatigue life verifying system of elevator components, it is intended to solve tradition
Technical technical problem as above.
Fig. 1 is to verify the structural schematic diagram of system the fatigue life for the elevator components that one embodiment provides.Such as Fig. 1 institute
Show, which includes: tapered sleeve group 10, pulley set 11, power device 12, mobile station 13, testing stand bracket with wirerope 101
14, electric cabinet 15, the range unit 16 and pressure sensor 17 that are electrically connected with the electric cabinet 15；The mobile station 13 and institute
State pulley set 11 to be located on the testing stand bracket 14, and the mobile station 13 is located at the top of the pulley set 11, and with institute
It states and forms a space between pulley set 11；The tapered sleeve group 10 is located in the space, and solderless wrapped connection is in the pulley set 11, and
One end of the tapered sleeve group 10 is fixedly connected with the mobile station 13；The power device 12 is fixed on the testing stand bracket 14
On, the electric cabinet 15 is electrically connected with the power device 12.
The wirerope 101 is in exceptionally straight state in the initial state, and the power device 12 is in the electric cabinet 15
Lower output driving power is controlled, to drive the mobile station 13 to move up and down；The wirerope 101 is transported upwards in the mobile station 13
Tensioner state is become from exceptionally straight state when dynamic, the range unit 16 is become for measuring the wirerope 101 from exceptionally straight state
Elongation when tensioner state, the pressure sensor is for measuring under the tensioner state stress of the wirerope and by institute
Force feedback is stated to the electric cabinet.
Specifically, above-mentioned mobile station 13 and pulley set 11 are located on above-mentioned testing stand bracket 14, optionally, the two can make
It is bolted on testing stand bracket, is also possible to be attached using other fasteners, the present embodiment does not limit this
It is fixed；Above-mentioned mobile station 13 is located at the top of pulley set 11, therefore, has certain distance between pulley set 11 and mobile station 13, can
Choosing, the distance between mobile station 13 and pulley set 11 can be depending on the length of the wirerope 101 of actual use, this implementation
Example does not limit this.A space can be formed between above-mentioned mobile station 13 and pulley set 11, tapered sleeve group 10 is located in the space,
And solderless wrapped connection is in pulley set 11, and one end of tapered sleeve group 10 is fixedly connected with mobile station 13, optionally, which can be use
Nut is fixedly connected, and be can also be and is fixedly connected using other fasteners, the present embodiment does not limit this.Separately
Outside, above-mentioned power device 12 is fixed on testing stand bracket 14, and optionally, which, which can be using bolt, is consolidated
It is fixed, can also be and be fixed using other fasteners, the present embodiment to this also without limitation.
In addition, in the initial state, above-mentioned wirerope 101 is in exceptionally straight state, which is in for wirerope stretches
Directly, the state that elongation is zero.
The fatigue life of above-mentioned elevator components verifies system at work, its working principles are as follows:
Above system at work, will start electric cabinet 15 first, and electric cabinet 15 initially enters automatically controlled after starting work
Parameter setting in case 15 inputs carriage respectively according to test requirements document and is fully loaded with power, carriage operation acceleration, carriage operation acceleration
Frequency, intermittent time, single vibration number, wirerope scrap the numerical value of elongation.Above-mentioned carriage is fully loaded with power and refers to carriage
Weight adds the gravity for being loaded with carriage after the weight of people；Optionally, above-mentioned carriage operation acceleration can be one it is constant
Value, the acceleration characterize the change procedure of speed of the elevator in actual motion (such as when running up and down), carriage operational process
In be based on the acceleration, the pulling force for connecting the wirerope of elevator constantly changing.Optionally, above-mentioned carriage runs acceleration
Frequency refers to the case where speed of the elevator in uplink and downlink.After intermittent time refers to elevator operation a period of time, rest one
Then the section time is further continued for the case where running, this period of time rested is the intermittent time.Above-mentioned single vibration number refers to
Be that initial time in the true operational process of elevator, from cut-off time to the intermittent time next time of last intermittent time is
Only, how many layer and/or lower how many layer on elevator in this period of time.
Introduction based on above-mentioned parameter, it is the drawing that wirerope is subject to that electric cabinet can generate a longitudinal axis based on these parameters
Power, the curve that horizontal axis is the time, as shown in figure 8, the curve in Fig. 8 characterize be with the time it is continuous change, wirerope exists
Carriage operation acceleration, the fully loaded power of carriage, carriage operation acceleration frequency, intermittent time, single shake these parameters of number
Under the influence of stress situation of change.By taking the A point in Fig. 8 as an example, the horizontal line on curve simulates the wave that live carriage is fully loaded with power, curve
Wirerope stress when acceleration and deceleration when line simulates carriage operation.
Therefore, it is based on above-mentioned parameter, as long as electric cabinet, which monitors and controls the pulling force that pressure sensor measurement obtains, meets Fig. 8
Shown in curve, just simulate the true operating condition of carriage.Therefore, in practical control process, electric cabinet 15 be can control
12 output driving power of power device, since power device 12 is connect with mobile station 13, above-mentioned driving force also will drive movement
Platform 13 moves up and down；During mobile station 13 moves up and down, one can be generated to wirerope 101 upwardly or downwardly
Pulling force, above-mentioned pressure sensor 17 can monitor the pulling force that pressure sensor measurement obtains, and the pulling force that will be measured in real time in real time
Signal is uploaded to electric cabinet 15, on the pulling force that electric cabinet 15 is measured pressure sensor 17 and Fig. 8 curve this when
Corresponding pulling force is carved to compare；Optionally, if comparing result is the pulling force and preset pulling force that pressure sensor 17 measures
Unequal, then electric cabinet 15 can export new voltage or new current signal to power device 12, so that wirerope
Pulling force can satisfy the curvilinear motion in Fig. 8, to simulate true lift car operating condition.
Based on above-mentioned real simulation, mobile station more than 13 times move up and down during so that wirerope 101 be stretched to
Generate an elongation, above-mentioned range unit 16 can measure the elongation, by the elongation measured be uploaded to electric cabinet 15 into
Row processing, optionally, which can be the elongation for measuring range unit 16 multiplied by 2, obtain the total elongation of wirerope,
And it is scrapped into elongation with preset wirerope and is compared；Optionally, if comparing result is the total elongation of wirerope
Elongation is scrapped less than preset wirerope, then can continue to use the wirerope and be tested；If comparing result is steel wire
The total elongation of rope is equal to and/or scraps elongation greater than preset wirerope, then needs to replace on the wirerope, then
Next test is carried out again.Optionally, above-mentioned range unit 16 can be distance measuring sensor, can also be that other can measure distance
Device, the present embodiment do not limit this.
Based on above-mentioned this real simulation process, so that it may obtain the reality of elevator wire rope in the true operational process of elevator
Elongation, so that the total elongation of the wirerope obtained by verifying system more meets stretching for the wirerope under truth
Long amount.Therefore, system is verified using the fatigue life of elevator components provided in this embodiment, since it can true simulation electricity
The operating condition of ladder, therefore the total elongation of the wirerope obtained by the system meets the true operating condition of elevator, so
Elongation is scrapped by the total elongation and preset wirerope to compare, so that it may verify whether wirerope needs replacing,
And the result of verifying is accurate.That is, system provided in this embodiment can be implemented on ground, different from traditional in elevator
Shaft bottom measures the scheme of the fatigue life of elevator wire rope, and the component that composed structure includes is also fairly simple, therefore its
The cost of verifying can be substantially reduced.
The fatigue life of elevator components provided in this embodiment verifies system, comprising: tapered sleeve group, rope sheave with wirerope
Group, power device, mobile station, testing stand bracket, electric cabinet, range unit and pressure sensor.In the present embodiment, automatically controlled
After case starts work, parameter is inputted on electric cabinet first, obtains the curve of pulling force and time that a wire rope is subject to, then
Electric cabinet, so that mobile station moves up and down, so that wirerope be driven to stretch, can be produced by controlling power device output driving power
Raw elongation；Whether pressure sensor can monitor power device according to preset pulling force output driving power, and be transmitted to
Electric cabinet is handled, the elongation that range unit can be generated in mobile station moving process by measuring steel wire rope, thus
The total elongation of wirerope is obtained, and the elongation of scrapping of the total elongation of the wirerope of measurement and preset wirerope is carried out
Comparison, if reaching the elongation of scrapping of preset wirerope, just more change steel rope, if not reaching preset wirerope
Scrap elongation, then continue to be tested using the wirerope.Utilize the fatigue life of elevator components provided by the embodiment
Verifying system, can the operational process of truly simulant elevator therefore pass through the total elongation symbol for the wirerope that the system obtains
The true operating condition for closing elevator, compares so scrapping elongation by the total elongation and preset wirerope, so that it may
To verify whether wirerope needs replacing, and the result verified is accurate.In addition, system provided in this embodiment can be in ground reality
It applies, different from the scheme of traditional fatigue life for measuring elevator wire rope in elevator shaft bottom, composed structure also compares
Simply, therefore its cost that can substantially reduce verifying.
Fig. 2 is the structural representation of pulley set in the fatigue life verifying system for the above-mentioned elevator components that one embodiment provides
Figure.On the basis of the above embodiments, as shown in Fig. 2, the pulley set 11 include: rope sheave 111, shaft 112, be oppositely arranged two
A rope sheave bracket 113, described two rope sheave brackets 113 are fixed on the testing stand bracket 14；The shaft 112 wears described
Two rope sheave brackets 113, the rope sheave 111 are set in the shaft 112, and 101 solderless wrapped connection of wirerope is in the rope sheave 111
On；When original state, the wirerope 101 is in exceptionally straight state, and 111 liang of the rope sheave under the action of rope sheave 111
The length of the wirerope 101 of side is identical.
Specifically, above-mentioned pulley set 11 can also include fixing bolt 114, which can be used to will be above-mentioned
Two rope sheave brackets 113 are fixedly connected on testing stand bracket 14, and optionally, the present embodiment can be using four fixing bolts
114, can also be the fixing bolt 114 using other numbers, the present embodiment to the number of fixing bolt 114 without limitation；Separately
Outside, above-mentioned 111 center of rope sheave can have a through-hole, so that rope sheave can be set in above-mentioned shaft 112 by the through-hole；Its
In, the diameter of 111 central through hole of thickness and rope sheave for above-mentioned shaft 112, can according to the actual situation depending on, only
Both wanting can be mating, the present embodiment to this without limitation；In addition, for the diameter of rope sheave 111, it can also root
Depending on actual conditions, the present embodiment to this also without limitation.
In the initial state, rope sheave 111 can be driven to rotate by rotating shaft 112, so that solderless wrapped connection is in rope sheave
Wirerope 101 on 111 is in exceptionally straight state, while the rotation can also make wirerope 101 mobile, finally reach positioned at rope sheave
The equal length of the wirerope 101 of 111 two sides.
Pulley set in the present embodiment can also include solid including rope sheave, shaft, two rope sheave brackets being oppositely arranged
Determine bolt.Above-mentioned rope sheave bracket can be fixed on testing stand bracket by fixing bolt, and above-mentioned rope sheave can be set in shaft
On, which can wear above-mentioned two rope sheave bracket.Using the pulley set, the rope capacity positioned at rope sheave two sides can be made
It is equal, i.e., during pulley set can make the wirerope of rope sheave two sides move down on a mobile station, identical pulling force is obtained, into
And can produce identical elongation, convenient for range unit by the moving distance of measurement mobile station, then by the moving distance
The elongation of wirerope is obtained multiplied by 2.In addition, during can moving down on a mobile station, being changed using the pulley set
The Impact direction of wirerope on rope sheave, so that the fatigue life verifying system of above-mentioned elevator components can more preferable simulation
The real process of elevator up-down, and then the elongation of the wirerope measured is allow more to be bonded wirerope in running process of elevator
Actual elongation.
Fig. 3 is the structural representation of tapered sleeve group in the fatigue life verifying system for the above-mentioned elevator components that one embodiment provides
Figure.On the basis of the above embodiments, as shown in figure 3, the tapered sleeve group includes two tapered sleeves 102, two voussoirs 103, wirerope
101, two lifting bolts, 104, two pin shafts 105；One end of the lifting bolt 104 plugs in the tapered sleeve 102 and passes through
The pin shaft 105 is connect with the tapered sleeve 102, and the other end of the lifting bolt 104 is fixedly connected with the mobile station 13；Institute
The both ends of wirerope 101 are stated respectively by being located in the cavity inside the tapered sleeve 102, and solid by 103 wedging of voussoir
It is scheduled in the tapered sleeve 102.
Specifically, the other end of above-mentioned lifting bolt 104 is fixedly connected with mobile station 13, optionally, can be using spiral shell
Mother is attached, and can also be and is attached using other fasteners, the present embodiment does not limit this.In addition, for tapered sleeve
102 size and the size of voussoir 103, can according to the actual situation depending on, as long as the two can be mating, and can be by wirerope
101 are fixed in the internal cavity of tapered sleeve 102, and the present embodiment is not construed as limiting its size；Equally, for wirerope
101 thickness, the size of 102 internal cavity of tapered sleeve, as long as wirerope 101 can be by tapered sleeve 102, the present embodiment is to this
Also without limitation.
Optionally, continuing with referring to Fig. 3, above-mentioned tapered sleeve group 10 can also include fixing piece 106；The lifting bolt 104
The other end wear the mobile station 13, and protrude from the mobile station 13；The pressure sensor 17 is socketed in the hanging ring
Bolt 104 protrudes from the part of the mobile station 13, and the fixing piece 106 is used for the pressure sensor 17 and the hanging ring
Bolt 104 is fixed in the mobile station 13.
In the possible embodiment, above-mentioned tapered sleeve group can also include elastic buffering pad 107, in verifying system
Give mobile station 13 damping when operation, which is socketed in the portion that above-mentioned lifting bolt 104 protrudes from mobile station 13
Point, in the side with pressure sensor 17, which can be socketed in below pressure sensor 17；Above-mentioned pressure
Force snesor 17 can be hollow type pressure sensor, so that the pressure sensor 17 can be socketed in above-mentioned lifting bolt 104
The part for protruding from mobile station 13 measures the stress size of wirerope 101, and the stress size of the measurement is transferred to
Electric cabinet 15 is handled；Optionally, above-mentioned lifting bolt 104 protrudes from the height of the part of mobile station 13, can be according to reality
Depending on the situation of border, the present embodiment is not limited this；Optionally, above-mentioned fastener 106 can be nut, and being also possible to other can
With with the matched fastener of lifting bolt 104, the present embodiment does not limit this, as long as the fastener 106 can be by above-mentioned pressure
Force snesor 17 and lifting bolt 104 are fixed in mobile station 13.
Tapered sleeve group in the present embodiment, comprising: two tapered sleeves, two voussoirs, wirerope, two lifting bolts, two pins
Axis further includes pressure sensor and fastener.One end of above-mentioned lifting bolt plugs in tapered sleeve and is connect by pin shaft with tapered sleeve,
The other end of lifting bolt wears mobile station, and protrudes from mobile station, and above-mentioned pressure sensor is socketed on the protrusion of lifting bolt
Part, fastener can be fixed on a mobile station by the pressure sensor and lifting bolt, pass through the structure of above-mentioned each components
And the connection relationship between it, so that it may which truly operational process above and below simulant elevator is the tired of subsequent measuring steel wire rope
The labor service life establishes a basis.In addition, the both ends of above-mentioned wirerope are located in the cavity inside tapered sleeve, and pass through voussoir wedge
It fastens in tapered sleeve, on the one hand can prevent wirerope from falling off, it on the other hand can also truly simulating elevator running process
In wirerope time of day, to facilitate the fatigue life of subsequent measuring steel wire rope and the fatigue life of tapered sleeve.
Fig. 4 is that the structure of power device in the fatigue life verifying system for the above-mentioned elevator components that one embodiment provides is shown
It is intended to.On the basis of the above embodiments, as shown in figure 4, above-mentioned power device 12 include: torque motor 121, speed reducer 122,
Crossed-axes gear drive component 123, shaft coupling 124, ball-screw group 125；The drive shaft of the torque motor 121 passes through the deceleration
The drive shaft of machine 122 is connect with the crossed-axes gear drive component 123；The crossed-axes gear drive component 123 by shaft coupling 124 with
The ball-screw group 125 connects；The torque motor 121 and the speed reducer 122 are electrically connected with the electric cabinet 15；It is described
Torque motor 121 and the speed reducer 122 horizontally rotate under the electro ultrafiltration of the electric cabinet 15, and generate horizontal power；Institute
It states horizontal power and passes to the ball-screw group 125 under the action of the crossed-axes gear drive component 123 and shaft coupling 124,
The ball-screw group 125 is rotated, the mobile station 13 is driven to move up and down.
Specifically, the driving axis connection of the drive shaft of the torque motor 121 and speed reducer 122, optionally, which can
It to be to be fixedly connected, may be a detachable connection, such as can be connected using shaft coupling；In addition, the drive shaft of speed reducer 11
It is connect with crossed-axes gear drive component 123, optionally, which may be a fixed connection, and may be a detachable connection, for handing over
Wrong axis transmission component 123 optionally can use gear-driven assembly, can also use scroll bar worm gear drive component, this implementation
Example is not construed as limiting this.
Optionally, above-mentioned power device can also include lead screw bracket 126, and the shaft coupling 124 is located at the lead screw branch
In hollow cavity inside frame 126, one end of the ball-screw group 125 passes through through-hole and institute on the lead screw bracket 126
State the connection of shaft coupling 124.
In the possible embodiment, above-mentioned power device 12 can pass through the lead screw bracket 126 and testing stand bracket
14 connections, optionally, which can be is attached by bolt, be can also be and is attached by other fasteners, this
Embodiment does not limit this；In addition, for the size of the hollow cavity inside screw rod bracket 126, it can be according to the actual situation
Depending on, it for the shape of lead screw bracket 126, can be cuboid, be also possible to square, the present embodiment does not limit this；
In addition, for the size and shape of the through-hole on lead screw bracket 126, the present embodiment also without limitation, as long as above-mentioned ball-screw
One end of group 125 can be passed through from the through-hole.
Power device in the present embodiment, comprising: torque motor, speed reducer, crossed-axes gear drive component, shaft coupling, ball
Lead screw group.In the present embodiment, above-mentioned electric cabinet is after starting work, meeting control moment motor output level driving force, on
Torque can be increased to the drive shaft of torque motor by stating speed reducer, so as to change the output torque of torque motor；Torque electricity
Horizontal actuator force can be passed to ball-screw group by crossed-axes gear drive component and shaft coupling by machine, so that ball-screw group turns
Dynamic, which will drive mobile station when rotating and moves up and down, to make wirerope under tension, slowly from exceptionally straight state
Become tensioner state, and then generate elongation, convenient for the measurement of range unit.In addition, when above-mentioned power device further includes lead screw
When bracket, the through-hole that one end of above-mentioned ball-screw group passes through on the lead screw bracket is connect with above-mentioned shaft coupling, so as to protect
Demonstrate,prove the stability when rotation of ball-screw group；In addition to this, which can be fixed on testing stand bracket, to guarantee
The stability of entire power device during the motion, convenient for the elongation of subsequent measuring steel wire rope.
Fig. 5 is the structure of testing stand bracket in the fatigue life verifying system for the above-mentioned elevator components that one embodiment provides
Schematic diagram.On the basis of the above embodiments, as shown in figure 5, above-mentioned testing stand bracket 14 includes: bracket upper beam 141, bracket bottom
Seat 142, guiding polished rod 143, the bracket upper beam 141 are connect by the guiding polished rod 143 with the bracket base 142；Institute
Range unit 16 is stated to be fixed on the bracket upper beam 141；The power device 12 and the pulley set 11 are separately fixed at institute
It states on bracket base 142, and the ball-screw group 125 and the bracket upper beam 141 are rotatablely connected；The mobile station 13 is along institute
Guiding polished rod 143 is stated to move up and down.
Specifically, above-mentioned testing stand bracket 14 can also include ground footed glass 144, with guarantee the testing stand bracket it is horizontal with
And there is cushioning effect in the operation of the system of verifying.Optionally, the number of the ground footed glass 144 can be four, can also be six
A, eight ground footed glasses, the present embodiment do not limit this；Above-mentioned range unit 16 is fixed on bracket upper beam 141, optionally,
Range unit 16, which can be, to be fixed in the internal cavity of the formation of bracket upper beam 141, be can also be and is fixed on outside bracket upper beam 141
Portion, the present embodiment do not limit this；Above-mentioned power device 12 and pulley set 11 are separately fixed on bracket base 142, optional
, which, which can be, is fixed by bolts, can also be and be fixed using other fasteners, the present embodiment to this not
It limits；Optionally, the rotation connection between above-mentioned ball-screw group 125 and bracket upper beam 141, can be using ball nut
Group is attached, and be can also be and is attached using other rotating members.
Testing stand bracket in the present embodiment, comprising: bracket upper beam, bracket base, guiding polished rod, can also include lower margin
Cup.Above-mentioned bracket upper beam is connect by being oriented to polished rod with bracket base, and testing stand bracket is allow to form a frame to enhance
The intensity of testing stand bracket；In addition, above-mentioned guiding polished rod is for playing the guiding role to mobile station, to guarantee that mobile station is led on edge
It can run smoothly when moving up and down to polished rod；Above-mentioned power device and pulley set are separately fixed on bracket base, Ke Yibao
Results demonstrate,proves the stability of system at runtime；The ball-screw group and bracket upper beam of power device are rotatablely connected, it is ensured that dynamic
Stability of the ball-screw group of power device in rotation.
Fig. 6 is the structural representation of mobile station in the fatigue life verifying system for the above-mentioned elevator components that one embodiment provides
Figure.On the basis of the above embodiments, as shown in fig. 6, above-mentioned mobile station 13 includes: mobile station bracket 131, ball nut group
132, linear bearing 133；One end of the guiding polished rod 143 passes through the linear bearing 133 and connects with the bracket upper beam 141
It connects；The other end of the guiding polished rod 143 is connect with the bracket base 142；The ball-screw group 125 passes through the ball
Nut group 132 and the bracket upper beam 141 are rotatablely connected；Rotation of the ball nut group 132 in the ball-screw group 125
Under effect, the mobile station 13 is driven to move up and down along the guiding polished rod 143.
Specifically, one end of above-mentioned guiding polished rod 143 is connect with bracket upper beam 141, it is oriented to the other end and branch of polished rod 143
Frame pedestal 142 connects, and optionally, above-mentioned two connection may be a fixed connection, and may be a detachable connection, the present embodiment pair
This is without limitation.
Mobile station in the present embodiment, comprising: mobile station bracket, ball nut group, linear bearing.Above-mentioned guiding polished rod
One end passes through linear bearing and connect with bracket upper beam, and the other end of the guiding polished rod is connect with bracket base, to ensure that shifting
The stability of dynamic platform during the motion.
Fig. 7 is the structural representation of electric cabinet in the fatigue life verifying system for the above-mentioned elevator components that one embodiment provides
Figure.On the basis of the above embodiments, as shown in fig. 7, above-mentioned electric cabinet 15 includes: PLC programmable logic controller (PLC) 151, power
Torque motor controller 152, display screen 153；The PLC programmable logic controller (PLC) 151 and the Moment Motor Controller 152,
The display screen 153 is electrically connected；The Moment Motor Controller 152 and 122 electricity of the torque motor 121 and the speed reducer
Connection.
Specifically, above-mentioned electric cabinet 15 initially enters the parameter setting in display screen 153, according to examination after starting work
Testing requirement, input carriage is fully loaded with power, carriage operation acceleration, carriage operation acceleration frequency, intermittent time, single vibration respectively
Number, wirerope scrap the numerical value of elongation.The introduction of above-mentioned parameter can be found in the introductory section of Fig. 1 embodiment, the present embodiment
Details are not described herein.After parameter setting is completed, the start button on-test on display screen 153, PLC programmable logic are pressed
Controller 151 can be according to the parameter of above-mentioned input, and generating a longitudinal axis is the song that pulling force, the horizontal axis that wirerope is subject to are the time
Line, as shown in figure 8, the curve in Fig. 8 characterize be with the time it is continuous variation, wirerope carriage run acceleration, sedan-chair
It is fully loaded with the stress variation feelings under the influence of power, carriage operation acceleration frequency, intermittent time, single vibration these parameters of number in compartment
Condition.By taking the A point in Fig. 8 as an example, the horizontal line on curve is simulated to be added when live carriage is fully loaded with power, the ripple simulation carriage of curve is run
Wirerope stress when deceleration.
Therefore, it is based on above-mentioned parameter, as long as PLC programmable logic controller (PLC) 151 monitors and controls pressure sensor measurement
Obtained pulling force meets curve shown in Fig. 8, just simulates the true operating condition of carriage.Therefore, in practical control process,
PLC programmable logic controller (PLC) 151 can be by control moment electric machine controller 152, so that the output of control moment motor 121 is driven
Power, so that mobile station 13 be driven to move up and down；During mobile station 13 moves up and down, it can be generated to wirerope 101
One pulling force upwardly or downwardly, above-mentioned pressure sensor 17 can monitor the pulling force that pressure sensor measurement obtains in real time,
And the pulling force signal measured in real time is uploaded to PLC programmable logic controller (PLC) 151, so that PLC programmable logic controller (PLC) 151
The pulling force pulling force corresponding with this moment on Fig. 8 curve that pressure sensor 17 measures can be compared；Optionally, if
Comparing result is that the pulling force that pressure sensor 17 measures and preset pulling force are unequal, then PLC programmable logic controller (PLC) 151 can
To export new voltage or new current signal to power device 12, so that the pulling force of wirerope can satisfy in Fig. 8
Curvilinear motion, to simulate true lift car operating condition.
Turn in addition, the simulation pulling force signal that this is measured can also be carried out modulus by above-mentioned PLC programmable logic controller (PLC) 151
It changes, and the digital pulling force signal after conversion is transferred to display screen 153 and is shown, while being recorded and saved display screen
In 153.
Based on above-mentioned real simulation, mobile station more than 13 times move up and down during so that wirerope 101 be stretched to
An elongation is generated, above-mentioned range unit 16 can measure the elongation, and the elongation measured is uploaded to PLC is programmable to patrol
It collects controller 151 to be handled, optionally, which can be the elongation for measuring range unit 16 multiplied by 2, obtain steel wire
The total elongation of rope, and it is scrapped into elongation with preset wirerope and is compared；Optionally, if comparing result is steel wire
The total elongation of rope is less than preset wirerope and scraps elongation, then can continue to use the wirerope and be tested；If right
Than the result is that the total elongation of wirerope is equal to and/or scraps elongation greater than preset wirerope, then needing the wirerope
It is replaced, then carries out next test again.
In addition, above-mentioned PLC programmable logic controller (PLC) 151 can also believe the simulation of the total elongation of obtained wirerope
Number analog-to-digital conversion is carried out, and the digital data transmission after conversion is shown to display screen 153, while being recorded and saved
Into display screen 153.
Optionally, above-mentioned electric cabinet 15 can be placed on testing stand bracket 14, can also be placed on other positions, this reality
Example is applied not limit this.
Electric cabinet in the present embodiment, comprising: PLC programmable logic controller (PLC), Moment Motor Controller, display screen.?
After electric cabinet starts work, inputs parameter on a display screen first, obtains the curve of pulling force and time that a wire rope is subject to,
Then PLC programmable logic controller (PLC) can carry out control moment motor output driving power by control moment electric machine controller, with
Mobile station is moved up and down, so that wirerope be driven to stretch, generates elongation；Whether pressure sensor can monitor torque motor
It according to preset pulling force output driving power, and is transmitted to PLC programmable logic controller (PLC) and is handled, range unit can be with
The elongation generated in mobile station moving process by measuring steel wire rope to obtain the total elongation of wirerope, and will be surveyed
The total elongation of the wirerope of amount and the elongation of scrapping of preset wirerope compare, if reaching preset wirerope
Elongation is scrapped, then just more change steel rope, if do not reach preset wirerope scraps elongation, continued to using should
Wirerope continues to test.Using electric cabinet provided by the embodiment, can the operational process of truly simulant elevator therefore pass through
The total elongation for the wirerope that the electric cabinet obtains meets the true operating condition of elevator, so by the total elongation and preset
Wirerope scrap elongation and compare, so that it may verify whether wirerope needs replacing, and the result verified is accurate.
In existing technology, although can measure whether wirerope reaches fatigue life in underground, it cannot be surveyed
It measures whether tapered sleeve reaches fatigue life, therefore, generally in more change steel rope, can all select tapered sleeve while replace,
Elongation is scrapped although will result in wirerope in this way and reach, fatigue life has not been reached yet in tapered sleeve, leads to the dimension of elevator
The problem of protecting cost to increase, and will cause the wasting of resources.The application the following examples can further solve the problems, such as this.
Fig. 9 is to verify the structural schematic diagram of system the fatigue life for the elevator components that another embodiment provides.Above-mentioned
On the basis of embodiment, as shown in figure 9, above system can also include: the component 18 of taking pictures being electrically connected with the electric cabinet 15；
The image of acquisition is sent to by the component 18 of taking pictures for taking pictures to 102 state of tapered sleeve in the tapered sleeve group 10
The electric cabinet 15.
Specifically, the elongation of the wirerope of above-mentioned measurement reaches when scrapping elongation, so that it may more change steel rope, every
When secondary more change steel rope, electric cabinet 15 can star component 18 of taking pictures and work；Later, taking pictures component 18 can be to tapered sleeve
102 current state carries out nondestructive inspection film making, and by the tired longevity of preset tapered sleeve in the nondestructive inspection film making and electric cabinet 15
Life grade compares, and determines whether the current state of tapered sleeve 102 has reached preset tapered sleeve fatigue life grade；If not yet
Having and reaches tapered sleeve fatigue life grade, that continues to be tested using the tapered sleeve, if reaching tapered sleeve fatigue life grade, that
With regard to replacing tapered sleeve.Optionally, whether above-mentioned comparison tapered sleeve reaches fatigue life grade, can pass through the nondestructive inspection of comparison tapered sleeve
Weld seam grade in film making can also be the Air Bubble Size grade in the nondestructive inspection film making of comparison tapered sleeve, to compare weld seam etc.
For grade, the reference standard of above-mentioned preset tapered sleeve fatigue life grade may refer to " weld seam non-destructive testing ultrasound detection examination
Grade " classification standard in GB/T29712-2013.
Above-mentioned test will make film to the state of tapered sleeve using component is taken pictures in more change steel rope every time, see cone
Whether set reaches fatigue life, and therefore, when tapered sleeve, which reaches fatigue life, to be needed replacing, staff is apparent that more
A few set wirerope are changed, it can know that a set of tapered sleeve can just be needed replacing with a few set wirerope, that is, tapered sleeve has been determined
Fatigue life.Therefore, using verifying system provided in this embodiment, staff can be allowed convenient and known clearly and replaced
Tapered sleeve is just needed replacing when a few set wirerope, so as to avoid blindly replacement replacement tapered sleeve, and then has saved social resources,
Also reduce the maintenance cost of elevator.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of fatigue life of elevator components verifies system characterized by comprising tapered sleeve group, rope sheave with wirerope
Group, power device, mobile station, testing stand bracket, electric cabinet, the range unit and pressure sensing being electrically connected with the electric cabinet
Device；The mobile station and the pulley set are located on the testing stand bracket, and the mobile station is located at the upper of the pulley set
Side, and a space is formed between the pulley set；The tapered sleeve group is located in the space, and solderless wrapped connection is in the pulley set
On, and one end of the tapered sleeve group is fixedly connected with the mobile station；The power device is fixed on the testing stand bracket,
The electric cabinet is electrically connected with the power device；
The wirerope is in exceptionally straight state in the initial state, and the power device exports drive under the control of the electric cabinet
Power, to drive the mobile station to move up and down；The wirerope is become when the mobile station is moved upwards from exceptionally straight state
Tensioner state, the elongation that the range unit is used to measure the wirerope when becoming tensioner state from exceptionally straight state are described
Pressure sensor is for measuring under the tensioner state stress of the wirerope and by the force feedback to the electric cabinet.
2. system according to claim 1, which is characterized in that the pulley set includes: rope sheave, shaft, is oppositely arranged
Two rope sheave brackets, described two rope sheave brackets are fixed on the testing stand bracket；
The shaft wears described two rope sheave brackets, and the rope sheave is set in the shaft, and the wirerope solderless wrapped connection is in institute
It states on rope sheave；
When original state, the wirerope is in exceptionally straight state, and the steel wire of the rope sheave two sides under the action of rope sheave
The length of rope is identical.
3. system according to claim 2, which is characterized in that the tapered sleeve group includes: two tapered sleeves, two voussoirs, steel
Cord, two lifting bolts, two pin shafts；
One end of the lifting bolt plugs in the tapered sleeve and is connect by the pin shaft with the tapered sleeve, the lifting bolt
The other end be fixedly connected with the mobile station；The both ends of the wirerope are located in the cavity inside the tapered sleeve, and
It is fixed in the tapered sleeve by the voussoir wedging.
4. system according to claim 3, which is characterized in that the tapered sleeve group further includes fixing piece；
The other end of the lifting bolt wears the mobile station, and protrudes from the mobile station；The pressure sensor socket
The part of the mobile station is protruded from the lifting bolt, the fixing piece is used for the pressure sensor and the hanging ring
Bolt is fixed in the mobile station.
5. system according to claim 1, which is characterized in that the power device includes: torque motor, speed reducer, friendship
Wrong axis transmission component, shaft coupling, ball-screw group；
The drive shaft of the torque motor is connect by the drive shaft of the speed reducer with the crossed-axes gear drive component；The friendship
Wrong axis transmission component is connect by shaft coupling with the ball-screw group；The torque motor and the speed reducer with it is described automatically controlled
Case electrical connection；
The torque motor and the speed reducer horizontally rotate under the electro ultrafiltration of the electric cabinet, and generate horizontal power；Institute
It states horizontal power and passes to the ball-screw group under the action of crossed-axes gear drive component and shaft coupling, make the ball
The rotation of lead screw group, drives the mobile station to move up and down.
6. according to the method described in claim 5, it is characterized in that, the power device further includes lead screw bracket, the shaft coupling
Device is located in the hollow cavity of the lead screw internal stent, and one end of the ball-screw group passes through logical on the lead screw bracket
Hole is connect with the shaft coupling.
7. system according to claim 5, which is characterized in that the testing stand bracket includes: bracket upper beam, bracket bottom
Seat, guiding polished rod, the bracket upper beam are connect by the guiding polished rod with the bracket base；
The range unit is fixed on the bracket upper beam；The power device and the pulley set are separately fixed at the branch
On frame pedestal, and the ball-screw group and the bracket upper beam are rotatablely connected；The mobile station is above and below the guiding polished rod
Movement.
8. system according to claim 7, which is characterized in that the mobile station includes: mobile station bracket, ball nut
Group, linear bearing；One end of the guiding polished rod passes through the linear bearing and connect with the bracket upper beam；The guiding polished rod
The other end connect with the bracket base；
The ball-screw group passes through the ball nut group and the bracket upper beam is rotatablely connected；The ball nut group is in institute
Under the rotary action for stating ball-screw group, the mobile station is driven to move up and down along the guiding polished rod.
9. system according to claim 5, which is characterized in that the electric cabinet include: PLC programmable logic controller (PLC),
Moment Motor Controller, display screen；
The PLC programmable logic controller (PLC) is electrically connected with the Moment Motor Controller, the display screen；The torque motor
Controller and the torque motor and the deceleration mechatronics.
10. -9 described in any item systems according to claim 1, which is characterized in that the system also includes: with the electric cabinet
The component of taking pictures of electrical connection；
The image of acquisition is sent to described for taking pictures to the tapered sleeve state in the tapered sleeve group by the component of taking pictures
Electric cabinet.
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|---|---|---|---|
| CN201811275198.9A CN109132768B (en) | 2018-10-30 | 2018-10-30 | Fatigue life verification system for elevator components |
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|---|---|---|---|
| CN201811275198.9A CN109132768B (en) | 2018-10-30 | 2018-10-30 | Fatigue life verification system for elevator components |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112158696A (en) * | 2020-09-29 | 2021-01-01 | 中国人民解放军国防科技大学 | Method for judging elevator strain degree |
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| CN101183061A (en) * | 2006-11-14 | 2008-05-21 | 东芝电梯株式会社 | Wire rope end connector fatigue test apparatus |
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