CN207866928U - A kind of elevator cable level acceleration bending life test equipment - Google Patents
A kind of elevator cable level acceleration bending life test equipment Download PDFInfo
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- CN207866928U CN207866928U CN201721924746.7U CN201721924746U CN207866928U CN 207866928 U CN207866928 U CN 207866928U CN 201721924746 U CN201721924746 U CN 201721924746U CN 207866928 U CN207866928 U CN 207866928U
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- cable
- elevator
- elevator cable
- clamping plate
- life test
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Abstract
The utility model discloses a kind of elevator cable levels to accelerate bending life test equipment, including：Being set on the base can horizontal high speed reciprocating mechanism；It is assemblied in the stationary fixture mechanism that adjustment spacing is moved on pedestal；The conducting being connected with multiple wire loops in elevator cable and pressure resistant testing device.After the experimental rig of the utility model, it can be obviously shortened the elevator cable life test period, compared with vertical analog operating life test device, the period shortened to 75 days from 180 days, and equipment investment, failure rate and experiment noise reduce at double；Online conducting and pressure resistant testing device, help to improve accuracy in detection.The experimental rig of the utility model, great convenience is provided for the exploitation and technological improvement of elevator cable new product, also strong support is provided for the elevator manufacturer rapid evaluation elevator cable service life, and can be used for the research of the elevator cable service life technology more tightened up than actual motion condition.
Description
Technical field
The utility model is related to a kind of cable testing equipments, and in particular to a kind of elevator cable level acceleration flex life examination
Test equipment.
Background technology
Flat type elevator cable is widely used in low speed, middling speed and high speed (containing ultrahigh speed) elevator, is current elevator cable
Mainstream kind is responsible for elevator controlling and information signal transfer function, is the important auxiliary equipment of elevator, and service life is directly closed
It is the reliability and operating cost to elevator.The life search of elevator cable is elevator technology and the important class of cables manufacturing industry
Topic.There is following four technology to the life test of elevator cable at present.
European Technical is to carry out deflecting experiment to cable, test wheel a diameter of 25~30 times of cable maximum gauge (
Referred to as minor axis diameter), cable forms 2 U-bends songs reversed each other by 4 experiment wheels, and cable ends hang certain weight,
Test period is 30,000 cycles.Deflect experiment be it is a kind of being commonly used to the test method that flexible cable includes circular flexible cable,
The case where cable passes through bending reversed each other twice in experiment, only bend in one direction operation practical with elevator cable incomplete phase
Together, and speed is relatively low, generally only does accordance experiment, is rarely used in life appraisal.
General elevator manufacturer can carry out run-in test to elevator cable, carried out using the method for hanging ladder operation, be one
Kind identical with actual operating mode test method, can relatively accurately detection cable service life.But because run to electricity
Cable damage take it is especially long, about 10~20 years, therefore will not all change the expense so long time and go detection cable service life, generally
It is hanging ladder trial operation three months to six months, operation bending 5~100,000 times or so will put into engineer application.Therefore, this
Run-in test can not the real detection cable service life.Japanese Teng Cang has one and elevator operation similar test tower in kind,
Volume is big, of high cost, and the period is long, suitable for the long-term evaluation to the elevator cable service life, unsuitable elevator cable new varieties
Life appraisal experiment before sizing.
Chinese patent CN101439821A provides a kind of elevator cable simulation run flexing life experiment on-line checking dress
It sets, is difficult to carry out the deficiency of life tests to solve existing elevator cable.The detection device, including：One frame；It is arranged in frame
The elevating mechanism that can be moved up and down vertically in frame；The detection module being connected with multiple wire loops in elevator cable.The technology
It is a kind of detection for elevator cable simulation actual flexion service life, has started the elder generation of domestic elevator cable life tests
River, but there are detection cycle length (180 days), testing equipment high failure rate, the high problems of experimentation cost, in manufacture to a certain degree
Constrain the exploitation of elevator cable new product.
Chinese patent CN105084142B provides a kind of life detecting device of elevator cable, including multiple be arranged in electricity
Multiple the piezoelectric part that can be arbitrarily bent with cable, and each temperature sensing is arranged on cable in temperature sensor on cable
Device or each piezoelectric part are placed equidistant with along the length direction of cable, and each piezoelectric part or each temperature sensor respectively with
The master control system of elevator is electrically connected；Wherein, at runtime, master control system receives piezoelectricity letter caused by each piezoelectric part to elevator
Number or receive the temperature signal that each temperature sensor is uploaded, judge the piezoelectric part for generating piezoelectric signal or upload temperature signal
Temperature sensor corresponding to cable section whether be bent, and judgement generate piezoelectric signal piezoelectric part or upload temperature
After cable section bending corresponding to the temperature sensor of signal, which is preserved into the memory of inside, to make work
The number of bends of cable each section can be checked from master control system at any time by making personnel, to be overhauled in time to cable.It is one
Service life early warning detection device of the kind for cable actual motion is not suitable for the life appraisal experiment before cable sizing.
Utility model content
A kind of elevator cable level acceleration bending is provided the purpose of the utility model is to overcome the defect of the prior art
Life test equipment, it can solve the problems, such as that the existing elevator cable life tests time cycle is partially long and high expensive, can be with
It is obviously shortened the development time of elevator cable new product, reduces development cost.
Realizing the purpose of this utility model technical solution is：A kind of elevator cable level acceleration bending life test equipment,
Including a pedestal, the experimental rig further includes the horizontal high speed reciprocating mechanism being set on the base and stationary fixture mechanism
And it is located at conducting and the pressure resistant testing device of pedestal periphery；Wherein,
The mobile clamping plate that the horizontal high speed reciprocating mechanism includes driving mechanism and connect with driving mechanism, the movement
Cable cleat is installed on clamping plate；The driving mechanism includes two synchronous driving wheels being horizontally installed on pedestal, wound on two
Flexible drive parts on a synchronous driving wheel and the driving motor coupled with any synchronous driving wheel, the flexible drive parts pass through
Driving connector is connect with mobile clamping plate；
The stationary fixture mechanism include the distance regulating mechanism being located on pedestal, be mounted on distance regulating mechanism on and with
The parallel strap of the mobile clamping plate and on strap and the electricity opposite with the cable cleat on mobile clamping plate
Cable clamp；
The stationary fixture mechanism is connect by the cable cleat on strap with the fixing end of tested cable, the water
Flat high speed reciprocating mechanism is connect by the cable cleat on mobile clamping plate with the free end of tested cable, keeps tested cable curved
Song makes the free end of tested cable be moved back and forth with the horizontal high speed of flexible drive parts work at U-shaped；
The strap adjusts the distance between mobile clamping plate by distance regulating mechanism；
The conducting and pressure resistant testing device are connected with multiple wire loops in tested cable and can be in continuity test shapes
Switch between state and voltage-withstand test state.
Above-mentioned elevator cable level accelerates bending life test equipment, wherein the driving connector includes Intermediate Gray
There are two axis hole and the sliding block being connect with flexible drive parts, two guide rods being respectively slidably inserted in two axis holes of sliding block
The guide rod seat being respectively connected and fixed to the both ends of two guide rods on pedestal with two.
Above-mentioned elevator cable level accelerates bending life test equipment, wherein the flexible drive parts and the sliding block
Between pass through be driven fixing piece connection.
Above-mentioned elevator cable level accelerates bending life test equipment, wherein the driving connector and mobile clamping plate
Between connected by transition piece.
Above-mentioned elevator cable level accelerates bending life test equipment, wherein the distance regulating mechanism includes two
It is opened in longitudinal straight trough on the lateral both sides of the pedestal respectively and two is respectively mounted in two longitudinal straight troughs and will be described
The butterfly screw that strap is fixed on the base.
Above-mentioned elevator cable level accelerates bending life test equipment, wherein the conducting and pressure resistant testing device packet
It includes the plug and socket being connected with each wire in tested cable, the constant-current source for generating continuity test electric current 100MA, exchange height
Press generator, triple-pole double throw switching switch, continuity test signal output port and voltage-withstand test signal output port；Continuity test
Signal output port and voltage-withstand test signal output port are connect with PLC controller；Triple-pole double throw switching switch can be surveyed in conducting
Switch between examination state and voltage-withstand test state.
Above-mentioned elevator cable level accelerates bending life test equipment, wherein the quantity of the socket is n and installs
Conducting and pressure resistant testing device panel on, n socket is divided to odd, even number to line up two row, remove No. 1, No. 2, No. (n-1)th and
No. n-th socket and triple-pole double throw switching switch connection are outer, remaining socket is carried out in the inside of conducting and pressure resistant testing device
It connects two-by-two.
The flat type elevator cable level of the utility model accelerates bending life test equipment to have the characteristics that：
The elevator cable level of the utility model accelerates bending life test device, can be obviously shortened the examination of elevator cable service life
The period is tested, compared with vertical analog operating life test device, the period shortened to 75 days from 180 days, and testing equipment investment, event
Barrier rate and experiment noise reduce at double, no accumulated error, the experimental rig of the utility model, while can carry out two cables
Test, by the way that the switching with pressure resistant testing device is connected, experiment midway need not change wiring to tested cable, can facilitate reality
Present line conducting and voltage-withstand test can avoid static state voltage-withstand test and are not easy to find the possibility of electric cable stoppage, it is accurate to improve detection
Exactness provides great convenience for the exploitation and technological improvement of elevator cable new product, is also elevator manufacturer rapid evaluation
The elevator cable service life provides strong support.Simultaneously as the U-shaped spacing of cable bend is variable, cable difference U-shaped may be implemented
Quick life tests under bending, can be used for the research of the elevator cable service life technology than actual motion under the conditions of tightened up.
Description of the drawings
Fig. 1 is that the elevator cable level of the utility model accelerates the vertical view of bending life test equipment；
Fig. 2 is that the elevator cable level of the utility model accelerates the horizontal high speed in bending life test equipment to move back and forth
The structural schematic diagram of mechanism；
Fig. 3 is the A-A direction views of Fig. 2；
Fig. 4 is that the elevator cable level of the utility model accelerates the conducting in bending life test equipment and voltage-withstand test dress
The structural schematic diagram set.
Specific implementation mode
Below in conjunction with attached drawing, the utility model is described in further detail.
It please refers to Fig.1 to Fig.4, the elevator cable level of the utility model accelerates bending life test equipment, including a bottom
Seat 1, the horizontal high speed reciprocating mechanism being arranged on pedestal 1 and stationary fixture mechanism and the conducting for being located at 1 periphery of pedestal
With pressure resistant testing device 100.
Pedestal 1 is the skeleton of entire experimental rig, plays the role of the other components of installation, and shape is cuboid, top
It is frame-type under platform for a platform, stainless steel plate or other steel plates or the closing of other materials plank may be used on four sides, also may be used
Not close.Pedestal 1 can mainly play the role of installing other component.
Horizontal high speed reciprocating mechanism includes driving mechanism and the movement by driving connector 3 to be connect with driving mechanism
Clamping plate 4 makes mobile clamping plate 4 be moved back and forth by driving mechanism band level of movement high speed.
Cable cleat is installed on mobile clamping plate 4, two cable cleats 5,6 are installed on the mobile clamping plate 4 of the present embodiment.
Driving mechanism is mounted on pedestal 1 and is covered by a case 2, and experiment is enable to carry out under secure conditions.
Driving mechanism include be horizontally installed on pedestal 1 two synchronous belts (transmission) wheel 17,18, wound on two synchronous pulleys 17,
Synchronous belt 19 (flexible drive parts) on 18 and the driving motor (not shown) coupled with synchronous pulley 17 and synchronous pulley 18；
Driving connector 3 includes Intermediate Gray respectively to be slided there are two axis hole and the sliding block that connect with synchronous belt 19 23, two
The guide rod 22 being inserted in dynamicly in two axis holes of sliding block 23, two both ends respectively with two guide rods 22 are connected and fixed to pedestal
Guide rod seat 20 on 1；Two guide rods 22 are arranged one on the other；Two guide rod seats 20 are respectively fixed on two together at the same distance
Walk the inside of belt wheel 17,18；The front end of sliding block 23 is connect with the transmission fixing piece 24 being fixed on the medial surface of synchronous belt 19；It is sliding
It is connected by the transition piece 25 that cross section is inverted U shape between the rear end of block 23 and mobile clamping plate 4.The horizontal movement of synchronous belt 19 is logical
The support of sliding block 23 and two guide rods 22 is crossed, harmful effect of the weight of tested cable to synchronous belt 19 can be eliminated, ensures examination
Test the stabilization and long term life of the experimental condition of equipment.
Stationary fixture mechanism include the distance regulating mechanism being located on pedestal 1 and on the distance regulating mechanism and with shifting
The parallel strap 9 of dynamic clamping plate 4；Wherein,
Distance regulating mechanism includes longitudinal straight trough 12,13 on two lateral both sides being opened in respectively on the platform of pedestal 1
It is respectively mounted in two longitudinal straight troughs 12,13 with two and strap 9 is fixed on to the butterfly screw on the platform of pedestal
10、11；
The shape of strap 9 is L-shaped, and two and two cables on mobile clamping plate 4 are installed on the facade of strap 9
The opposite cable cleat 7,8 one by one of fixture 5,6.
Mobile clamping plate 4 is identical with the height of the facade of strap 9 and is aluminum or aluminum alloy material.
Stationary fixture mechanism is connect by the cable cleat 7,8 on strap 9 with the fixing end of tested cable 15,16,
Horizontal high speed reciprocating mechanism is connect by the cable cleat 5,6 on mobile clamping plate 4 with the free end of tested cable 15,16,
So that tested cable 15,16 is bent to U-shaped, and makes the free end of tested cable 15,16 as the horizontal high speed of 19 work of synchronous belt is reciprocal
Movement；The cable cleat 5 on cable cleat 7 and mobile clamping plate 4 on strap 9 connects one section of tested cable 15, clamp plate 9
On cable cleat 8 and mobile clamping plate 4 on cable cleat 6 connect another section of tested cable 16.
Strap 9 adjusts the distance between mobile clamping plate 4 by distance regulating mechanism, and strap 9 can be along longitudinal direction
Straight trough 12,13 is moved and is fixed by two butterfly screws 10,11 in different positions, to obtain different cable testings
U-shaped bending value, match different cables and different experimental conditions.Scale 14, Ke Yifang is also provided on the platform of pedestal 1
Just the U-shaped bending value of tested cable 15,16 is obtained by the reading on scale 14.
In order to be measured in real time to the core circuit being tested in cable 15 or 16 and signal exports, the examination of the utility model
It tests equipment and also sets up conducting and pressure resistant testing device 100.Conducting and pressure resistant testing device with it is multiple in tested cable 15 or 16
Wire loop is connected switches (see Fig. 4) by triple-pole double throw switching switch between continuity test state and voltage-withstand test state.
Conducting and pressure resistant testing device include the plug and socket being connected with each wire in tested cable 15, generate and lead
Constant-current source, ac high-voltage generator, continuity test signal output port and the output of voltage-withstand test signal of logical test electric current 100MA
Port；Wherein,
Plug and socket can bear pressure resistance >=5kV, and quantity and the cable core number of plug and socket match, and are up to 160
Core.The quantity of socket is n and is mounted on the panel of conducting and pressure resistant testing device that n socket is divided to odd, even number to line up two
Row, in addition to No. 1, No. 2, No. (n-1)th (No. 159) and No. n-th (No. 160) socket and triple-pole double throw switching switch connection,
Remaining socket is connected in the inside of conducting and pressure resistant testing device by odevity sequence two-by-two；
Triple-pole double throw switching switch is controlled the high-voltage relay of internal two double-pole double throw by a single-pole double-throw switch (SPDT), real
Existing triple-pole double throw high pressure handoff functionality can bear pressure resistance >=5kV, the same high pressure triac device such as effect, principle
It is not repeated herein.
The constant-current source of 100MA is located inside conducting and pressure resistant testing device, the electric current for providing continuity test；One with
The sample of signal of LED green luminotrons the mark conducting state and conducting of triple-pole double throw switching switch connection, draws on luminous tube
Go out Continuity signal port to the PLC controller of switch board, realizes that the record of conducting state and open circuit shut down, alarm.In addition, passing through
Electric resistance partial pressure device draws pressure-resistant signal port to the PLC controller of switch board, realizes record and the breakdown of pressure test data
It shuts down, alarm.
Continuity test signal output port and voltage-withstand test signal output port are connect with PLC controller.
The elevator cable level of the utility model accelerates the application method of bending life test equipment to include the following steps：
Sampling is tested cable, and one section of tested cable is taken at disk or lopping cable, and the length for being tested cable is removed and conducting
It is outside one's consideration, should meet bent in nature U-bend between mobile clamping plate and strap with the length of pressure resistant testing device wiring；
Between tested cable is mounted on the horizontal mobile clamping plate and strap for accelerating bending life test equipment, i.e., will
The fixing end of tested cable is connected on the cable cleat of strap, and the free end of tested cable is fixed on mobile clamping plate
On cable cleat, tested cable is made to bend to U-shaped between fixing end and free end；
The U-shaped bending diameter for being tested cable is adjusted, is adjusted between strap and mobile clamping plate by distance regulating mechanism
Distance, to meet test request；The thickness of cable of the U-shaped bending diameter equal to 15 times of tested cable；
Tested cable connection is connected and pressure resistant testing device, each core in tested cable is first connected into plug, then will
Plug is inserted by odd, even number in corresponding socket；
Triac device on conducting and pressure resistant testing device is thrown to conducting test mode, it is reciprocal to start horizontal high speed
The driving motor of motion, makes that the free end of tested cable is 500mm using stroke and 30 reciprocating frequences per minute is works
Horizontal high speed moves back and forth；If open circuit occurs in the core in tested cable, PLC controller is outputed signal to, driving motor is made
It stops and alarms, and record data；Tested cable often carries out 300,000 sub-levels high speed and moves back and forth, and carries out a pressure test,
Triac device is thrown in voltage-withstand test state at this time, the voltage-drop loading of high pressure generator generates resistance on tested cable
Test signal is pressed, exports to PLC controller, is recorded together with number of bends, and be sent to detection computer；If cable core it
Between or core and cable cleat between puncture, then driving motor is made by voltage-withstand test signal output end to PLC controller
It stops and alarms, and record breakdown data；After voltage-withstand test passes through, then triac device is switched to continuity test state,
Repeatedly, until completing the flex life testing time of setting.In general, after flex life test has carried out 3,000,000 times
Without being further continued for testing.When for cable destructiveness life test research, the number that is not put to the test limitation.
Above example is only for illustration of the utility model rather than limitations of the present invention, related technical field
Technical staff can also make various transformation or modification in the case where not departing from the spirit and scope of the utility model, because
This all equivalent technical solution should also belong to the scope of the utility model, should be limited by each claim.
Claims (7)
1. a kind of elevator cable level accelerates bending life test equipment, including a pedestal, which is characterized in that the testing equipment
Further include the horizontal high speed reciprocating mechanism being set on the base and stationary fixture mechanism and the conducting for being located at pedestal periphery
And pressure resistant testing device；
The mobile clamping plate that the horizontal high speed reciprocating mechanism includes driving mechanism and connect with driving mechanism, the movement clamping plate
Upper installation cable cleat；The driving mechanism includes two synchronous driving wheels being horizontally installed on pedestal, same wound on two
The driving motor for walking the flexible drive parts on driving wheel and coupling with any synchronous driving wheel, the flexible drive parts pass through driving
Connector is connect with mobile clamping plate；
The stationary fixture mechanism include the distance regulating mechanism being located on pedestal, be mounted on distance regulating mechanism on and with it is described
The parallel strap of mobile clamping plate and on strap and the cable clip opposite with the cable cleat on mobile clamping plate
Tool；
The stationary fixture mechanism is connect by the cable cleat on strap with the fixing end of tested cable, described horizontal high
Fast reciprocating mechanism is connect by the cable cleat on mobile clamping plate with the free end of tested cable, make to be tested cable bend at
U-shaped, and the free end of tested cable is made to be moved back and forth with the horizontal high speed of flexible drive parts work；
The strap adjusts the distance between mobile clamping plate by distance regulating mechanism；
The conducting and pressure resistant testing device be connected with multiple wire loops in tested cable and can in continuity test state and
Switch between voltage-withstand test state.
2. elevator cable level according to claim 1 accelerates bending life test equipment, which is characterized in that the driving
Connector includes Intermediate Gray, and there are two axis hole and the sliding block being connect with flexible drive parts, two to be respectively slidably inserted in sliding block
Guide rod in two axis holes and two guide rod seats being respectively connected and fixed to the both ends of two guide rods on pedestal.
3. elevator cable level according to claim 2 accelerates bending life test equipment, which is characterized in that the flexibility
By being driven fixing piece connection between driving member and the sliding block.
4. elevator cable level according to claim 1 accelerates bending life test equipment, which is characterized in that the driving
It is connected by transition piece between connector and mobile clamping plate.
5. elevator cable level according to claim 1 accelerates bending life test equipment, which is characterized in that the spacing
Regulating mechanism include longitudinal straight trough on two lateral both sides for being opened in the pedestal respectively and two be respectively mounted on two it is vertical
The butterfly screw being fixed on the base into straight trough and by the strap.
6. elevator cable level according to claim 1 accelerates bending life test equipment, which is characterized in that the conducting
Include the plug and socket being connected with each wire in tested cable with pressure resistant testing device, generate continuity test electric current
Constant-current source, ac high-voltage generator, triple-pole double throw switching switch, continuity test signal output port and the voltage-withstand test of 100MA
Signal output port；Continuity test signal output port and voltage-withstand test signal output port are connect with PLC controller；Three knives are double
Switching switch is thrown between continuity test state and voltage-withstand test state to switch.
7. elevator cable level according to claim 6 accelerates bending life test equipment, which is characterized in that the socket
Quantity be n and on the panel of conducting and pressure resistant testing device, n socket is divided to odd, even number to line up two row, except the 1st
Number, No. 2, No. (n-1)th and No. n-th socket and triple-pole double throw switching switch connection it is outer, remaining socket is in conducting and pressure resistance
The inside of test device is connected two-by-two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924746.7U CN207866928U (en) | 2017-12-31 | 2017-12-31 | A kind of elevator cable level acceleration bending life test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924746.7U CN207866928U (en) | 2017-12-31 | 2017-12-31 | A kind of elevator cable level acceleration bending life test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207866928U true CN207866928U (en) | 2018-09-14 |
Family
ID=63464111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721924746.7U Expired - Fee Related CN207866928U (en) | 2017-12-31 | 2017-12-31 | A kind of elevator cable level acceleration bending life test equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN207866928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061837A (en) * | 2017-12-31 | 2018-05-22 | 上海南洋-藤仓电缆有限公司 | A kind of elevator cable is horizontal to accelerate bending life test equipment and test method |
-
2017
- 2017-12-31 CN CN201721924746.7U patent/CN207866928U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061837A (en) * | 2017-12-31 | 2018-05-22 | 上海南洋-藤仓电缆有限公司 | A kind of elevator cable is horizontal to accelerate bending life test equipment and test method |
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| CF01 | Termination of patent right due to non-payment of annual fee |