CN104192640B - A kind of conducting wire testing apparatus - Google Patents
A kind of conducting wire testing apparatus Download PDFInfo
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- CN104192640B CN104192640B CN201410418513.4A CN201410418513A CN104192640B CN 104192640 B CN104192640 B CN 104192640B CN 201410418513 A CN201410418513 A CN 201410418513A CN 104192640 B CN104192640 B CN 104192640B
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Abstract
The present invention provides a kind of conducting wire testing apparatus, and it is theed improvement is that：The detection means includes fixed hydraulic oil cylinder, coaster, tension force charging assembly and the switch board being successively set on same axial direction；The tension force charging assembly includes：The driving pulley system being correspondingly arranged with the coaster, the top between the driving pulley system and the coaster are provided with the skeleton tower of head pulley, and/or the inverted triangle sport(s) car between the skeleton tower and the active movable pulley system, and for guide rail of the sport(s) car along the axial movement.Wire provided by the invention crosses pulley comprehensive detection device, its positive triangle cross pulley detection means and inverted triangle cross pulley detection means can complete independently cross pulley detection, dual system can also carry out simultaneously as needed.
Description
Technical field
The present invention relates to a kind of power system detection means, and in particular to a kind of wire crosses pulley detection means.
Background technology
Power industry is the basic industry of national economy, growing continuously and fast for power demand, has further speeded up electric power
The speed of development.Optimize energy resources configuration, ensure national energy security, high-quality, peace is provided for national economy and social development
Complete reliable supply of electric power, is that society is served in power industry, the important mission built a harmonious society.
During erecting power transmission lines, wire will pass in succession through multiple pulleys.If the process technique or unwrapping wire of wire
Machinery and technique are improper, and wire such as loose stock, can play lantern, jump stock, sternly in the process by different degrees of injury
Weight occurs that wire is difficult to the consequence unfolded, and undoubtedly this not only can cause economic loss to supplier and Construction Party, can also
Cause potential safety hazard.And as the continuous development of power network, novel conductive wire are applied in power grid construction more and more, this is also required to
Conventional pulley arrangement of crossing is undergone technological transformation to meet that heavy in section novel conductive wire crosses the needs of pulley detection.
In view of phenomena such as loose stock of existing UHV transmission line engineering wire appearance, a lantern, jump stock, the present invention is set
A kind of wire is counted and has crossed pulley detection means, its is simple in construction and reliable and stable.
The content of the invention
To achieve the above object, the present invention takes following means：
A kind of conducting wire testing apparatus, it is characterised in that：The detection means includes being successively set on consolidating on same axial direction
Determine hydraulic jack 1, coaster, tension force charging assembly and switch board 17；The tension force charging assembly includes：Correspondingly set with the coaster
The driving pulley system 16 put, the top between the driving pulley system 16 and the coaster are provided with the skeleton tower of head pulley
11, and or the inverted triangle sport(s) car 18 between the skeleton tower 11 and the driving pulley system 16, and supply the motion
Guide rail of the car along the axial movement.
Wherein, coaster includes apparatus for suspension, movable stand and pulley support frame；The apparatus for suspension includes and the axially in parallel water
The part of placing flat and the cuboid formed with the axially vertical part；Apparatus for suspension is provided with and the axially in parallel cunning
Groove；The inverted triangle sport(s) car (18) includes the sport(s) car car body and the inverted triangle support frame on the car body；Institute
State hydraulic jack and the axially in parallel placement；The hydraulic jack includes：Cylinder body, movement parts and seal；The hydraulic oil
Cylinder cylinder body includes cylinder seat and cylinder barrel；The cylinder seat is placed in the cylinder barrel bottom, and the cylinder seat is welded as a whole with the cylinder barrel.
Wherein, movable stand is the movable stand along the slide；The movable stand include respectively with it is described axially in parallel
With the component perpendicular to horizontal direction；Projection corresponding with the chute is provided with the movable stand, is connected in the apparatus for suspension
On chute in；The sport(s) car car body includes supporting plate and wheel, and the supporting plate is placed on wheel；The cylinder barrel is annular circle
Post；Annular tube plug is provided with the top of the cylinder barrel；The cylinder barrel top inner wall is provided with projection；The annular canister beyond the Great Wall wall be provided with
Neck corresponding to the projection；The annular tube plug and the cylinder barrel clamping；The seal is interior located at the annular tube plug
On wall.
Wherein, movable stand is provided with and the axially in parallel pulley support frame；The pulley support frame is that height is different
Two pairs of components；The pulley support frame is provided with the pulley matched with the scantling；The inverted triangle support frame includes
With the moving carriage being arranged in an axially parallel mode, two pieces with the axially in parallel clamping plate uprightly placed, be placed in two pieces of folders
Between plate and positioned at center central pulley and two side rollers positioned at clamping plate drift angle；The movement parts include piston and piston
Bar；The piston is placed in the cylinder barrel, is contacted with the inner wall of cylinder；One end of the piston rod is fixed on piston, separately
One end passes through the annular tube plug inwall；The cylinder seat is provided with disengaging oil stream road；The hydraulic jack with it is described one of them
Pulley connection on pulley support frame.
Wherein, the steel wire rope as fixed wire test specimen passes through the head pulley of the tension force charging assembly together with test specimen；
The pulley that wire test specimen passes through inverted triangle sport(s) car.
Wherein, skeleton tower 11 includes connector vertically and horizontally, and the platform to be bound by sheet material；It is described
The head pulley support member of support head pulley 9 is provided with platform；The head pulley support member both sides are provided with camera 10；Institute
State guide rail center and or the inverted triangle sport(s) car pass through the skeleton tower.
Wherein, the jack support frame 8 being made up of the component of horizontal direction and vertical direction is arranged above the guide rail；Institute
The member height for stating vertical direction is more than the skeleton tower 11；Jack normal thereto is provided with the component of the horizontal direction
13。
Wherein, the both ends of guide rail 6 are respectively provided with stroke limit protection switch 5；The steel wire rope is provided with the He of limit induction collision block 7
Pulling force sensor 15.
With immediate prior art ratio, detection means provided by the invention has the advantages that：
Positive triangle cross pulley detecting system and inverted triangle cross pulley detecting system can complete independently cross pulley detection, can also
Dual system as needed is carried out simultaneously, saves testing cost, improves detection efficiency.
Head pulley position is variable, so as to change the envelope angle angle of wire test specimen and head pulley, under different envelope angles
Measure respectively, obtain more comprehensively more accurately testing result.
This detection means is using coaster as its tension applying apparatus, and its is simple in construction firm, and tension force applies stable, installation
It is easy to use.
This detection means sets stroke limit protection switch, limits the maximum displacement of wire and sport(s) car, security performance
It is good.
The pulling force sensor that this detection means uses is more smart for the special sensor of detection rope stress, its measurement effect
It is accurate.
Cross pulley detecting system to control using microcomputer, the electron controls technology used is advanced, is realized to the detection
The closed-loop control of machine, the accuracy, the real-time of conductor conditions observation and the ease for operation of detection of detection can be effectively improved.
This complete equipment can be by changing inverted triangle pulley arrangement frock, and increase wire crosses the mode of pulley, for systematicness
Detection research provides entry.
This detection means low cost, performance safety is reliable, can be widely applied to the wire detection of transmission line of electricity.
Loose stock that this detection means is likely to occur to engineering wire, lantern is played, phenomena such as stock is jumped and is accurately detected, most
Then there is potential safety hazard in avoiding for limits, substantially increases security.
Brief description of the drawings
Fig. 1 wires cross pulley positive triangle detection means
Fig. 2 wires cross pulley inverted triangle detection means
Fig. 3 wires cross pulley inverted triangle detection means axonometric drawing
Fig. 4 pulley structure figures
Fig. 5 inverted triangle sport(s) cars
Fig. 6 hydraulic jack schematic diagrames
Fig. 7 pulling force sensor schematic diagrames
1st, fixed hydraulic oil cylinder 2, apparatus for suspension 3, movable stand 4, follow-up pulley 5, stroke limit protection switch 6, guide rail
7th, limit induction collision block 8, jack support frame 9, head pulley 10, camera 11, skeleton tower 12, line card 13, jack 14, inspection
Survey wire test specimen 15, pulling force sensor 16, driving pulley system 17, switch board 18, inverted triangle sport(s) car 19, cylinder seat
20th, oil duct 21, circular tube plug 22, piston 23, seal 24, neck 25, oil duct 26, fore-set 27, fulcrum pulley 28,
Spring beam 29, resistance strain gage
Embodiment
A kind of wire provided by the invention crosses pulley detection means, including the fixed hydraulic oil cylinder being arranged on same axial direction
1st, coaster, guide rail, driving pulley system 16 and switch board 17；Skeleton tower is provided with the middle part of guide rail；Inverted triangle is set to move on guide rail
Car.Said apparatus connects and composes positive triangle detection means, and inverted triangle detection means.Wherein, positive triangle crosses pulley detection dress
Put with inverted triangle cross pulley detection means can complete independently cross pulley detection, dual system can also carry out simultaneously as needed.
Embodiment 1
Positive triangle detection means is connected by coaster, skeleton tower, driving pulley system.
Coaster includes apparatus for suspension, movable stand and pulley support frame.Movable stand is in the axial movement where this detection means.It is sliding
Vehicle frame is to be provided with chute with the axially in parallel cuboid, side；The main body of movable stand be and the axially in parallel flat board
Shape structure, its both sides are provided with the bending vertical with flat board, form the non-enclosed rectangle shell in three faces, and bending part is provided with and the cunning
It is raised corresponding to groove, it is connected in the chute on apparatus for suspension.Movable stand length is the 1/3-1/2 of apparatus for suspension length.On movable stand
It is fixed with the component highly different from axially in parallel, upright two couple, relatively high component support follow-up pulley；Another branch
Support truckle.Truckle applies drive connection with tension force；The 1/3-1/2 of a diameter of follow-up pulley diameter of truckle；Support member is wide
Degree is corresponding with pulley size.Follow-up pulley, head pulley and driving pulley, which connect, forms upright triangle closed loop detecting system.
Skeleton tower 11 is iron stand, the platform structure to be bound by connector vertically and horizontally and sheet material
Into；The support member of support head pulley (9) is provided with platform；Head pulley support member both sides are provided with the camera, for observing
The stress change in two exits of wire；Ladder is installed on skeleton tower 11, can be when loading test specimen with changing head pulley axle position
Operated on skeleton tower platform.
Driving pulley system is made up of driving pulley 16 and servomotor, is connected with coaster, drives test specimen to move reciprocatingly
While, detection tension force is also loaded to test specimen simultaneously.
During connection：Supratrochlear truckle is connected with fixed hydraulic oil cylinder；Follow-up pulley 4, head pulley 9 and driving pulley 16
It is connected two-by-two by steel wire rope, establishes upright triangle loop detector.
The pulley bottom footpath envelope angle of the present apparatus can be adjusted according to the change of head pulley shaft position；Using 12 meters of test specimens
The upright triangle loop detector of composition is connected with three sections of steel wire ropes, three sections of steel wire ropes are connected by multigroup line card and oil cylinder respectively
Connect, wire test specimen is connected with steel wire rope by net, reciprocating on head pulley at the top of wire center alignment head pulley.
Because tension force application system stroke is limited, therefore equilateral triangle loop detector is respectively necessary for multigroup line card and entered afterwards before detection
Row stringing and loose ends.
Embodiment 2
Inverted triangle detection means is connected by coaster, skeleton tower, driving pulley system and inverted triangle sport(s) car 18.
Wherein, coaster, skeleton tower and driving pulley system are identical with the component used in above-mentioned positive triangle detection means.
Separately setting guide rail 6 passes through head pulley skeleton tower 11, and is placed between driving pulley 16 and coaster；Set three on guide rail
Angular movement car 18.Inverted triangle sport(s) car includes sport(s) car car body and the inverted triangle support frame on the car body.Inverted triangle
Support is placed on car body.
Sport(s) car car body includes wheel and supporting plate；Wheel is provided with below supporting plate；The supporting plate and guide rail are wide；The support
Plate length is the 1/6-1/8 of rail length.
The clamping plate that inverted triangle support frame includes bottom plate and two pieces of parallel verticals are placed, Boards wall is on bottom plate, between clamping plate
Place pulley；The pulley of support frame includes：Positioned at clamping plate center central pulley on the upper side and it is placed in the two of clamping plate drift angle
Individual side roller.The length of the car body supporting plate of about 1.5-2 times of clamping plate length.
Central pulley diameter is equal with clamping plate width；Between the 2/3-3/4 of a diameter of central pulley of side roller.
Clamping plate both sides are respectively provided with a pull bar with guide rail parallel；The pull bar is connected with steel wire rope.
Jack support frame 8 is placed on the outside of guide rail；Jack 13 is set on the crossbeam above head pulley.
During connection：Inverted triangle sport(s) car is connected and composed down by steel wire rope and head pulley 9, driving pulley 16, follow-up pulley
Three angle detecting devices；The reciprocating motion of sport(s) car is realized by driving pulley.
Wherein, wire test specimen passes through at the top of the side roller bottom of inverted triangle sport(s) car and its central pulley during detection.
Wire test specimen one end is fixed on the concrete-pile of driving pulley 16, and the other end is connected to 3 on coaster, and lotus will be detected by coaster
Load passes to wire.
Embodiment 3
Positive triangle detection is run simultaneously with inverted triangle detection means, to be detected to two wires simultaneously.
Wire passes through inverted triangle sport(s) car, and sport(s) car detects when track moves to wire.Another wire examination simultaneously
Part is connected with steel wire rope, reciprocating on head pulley at the top of wire center alignment head pulley.
The wire stroke of this comprehensive detection device is conditional, therefore respectively sets a stroke limit to protect at guide rail both ends
Shield switch 5；Connection active, the steel wire rope of follow-up pulley are provided with limit induction collision block 7, are respectively used to limit inverted triangle experiment mould
The displacement of block and wire.
This comprehensive detection device sets pulling force sensor 15 on the steel wire rope being connected with head pulley, is drawn with measure traverse line
Power；Switch board 17 is provided with the outside of driving pulley, on-line monitoring is placed in this control with data acquisition and processing automatic control system
In cabinet, control stroke limit protection switch 5, sensing collision block 7, and pulling force sensor 15, ensure that this detection means can safely, surely
Fixed operation.
Jack support frame 8 is additionally provided with to be placed on the outside of comprehensive detection device；Jack 13 is set on the crossbeam above head pulley.
Pulling force sensor used includes elastic component, cable support part and resistance strain gage 29 in the present invention；Elastic structure
Part is spring beam, and the fulcrum at its both ends is pulley 27, and intermediate support is fore-set 26, has difference in height between pulley fulcrum and fore-set.Electricity
Resistance foil gauge 29 is arranged at the both sides up and down of spring beam 28.In experiment, wire passes through support pulley and fore-set, resistance strain gage sense
Deformation caused by spring beam is answered, so as to obtain wire tension measured value.
Hydraulic jack used is made up of cylinder body, movement parts and seal etc. in the present invention；Cylinder body of hydraulic oil cylinder includes cylinder
Seat 19 and cylinder barrel；Cylinder seat 19 is provided with disengaging oil stream road 20,25, is placed in cylinder barrel bottom, and be welded as a whole with cylinder barrel.Cylinder barrel is
Ring-shaped cylinder；Annular tube plug 21 is provided with the top of cylinder barrel；Cylinder barrel top inner wall is provided with projection；Wall is provided with and projection annular canister beyond the Great Wall
Corresponding neck 24, is easy to annular tube plug and cylinder barrel clamping；Seal 23 is on annular tube plug inwall.Movement parts include piston
22 and piston rod；Piston is cylinder, is placed in the cylinder barrel, is contacted with inner wall of cylinder；One end of piston rod is fixed on piston
On, the other end passes through the annular tube plug inwall.
Line card used is metal binding belt or Plastic Bandage in the present invention；Metal binding belt, generally stainless steel material, or nylon
The Plastic Bandage of material.Tie body used includes free end and fixing end, in addition to fixes sawtooth, free end insert port, consolidates
Determine hole, band opening/closing portion, tie body fixing end is provided with mobile sawtooth to the position that free end extends, and free end insert port is located at
Fixing end, its top are provided with fixed sawtooth, and band opening/closing portion is arranged at the insert port of free end, is arc at the insert port of free end
Shape.
Switch board in the present invention uses PLC control cabinet, and control system can be realized with prior arts such as PLC.
The extent of deterioration of wire when in use is detected to realize, the technical parameter of this detection means is as follows：
Present invention test piece lengths use 12000mm, the driving pulley and follow-up pulley during implementation used in the present invention
Centre-to-centre spacing is 18000mm；Envelope angle can be changed by changing head pulley position, during detection envelope angle angle using 30 °, 40 °,
50°、60°；The vertical range of head pulley and driving and driven pulley line corresponding to its envelope angle is respectively；2412mm、
3276mm、4197mm、5196mm.Wire test specimen point-to-point speed is 1m/s or 0.5m/s during detection；Test specimen moves along a straight line most
Distance 6m greatly；The maximum tension that test specimen is born is 200kN.Above-mentioned each parameter error is less than ± 1% to ensure to obtain accurately
Detect data.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution, and without departing from any of spirit and scope of the invention
Modification or equivalent substitution, it all should cover among scope of the presently claimed invention.
Claims (7)
- A kind of 1. conducting wire testing apparatus, it is characterised in that：The detection means includes the fixation being successively set on same axial direction Hydraulic jack (1), coaster, tension force charging assembly and switch board (17)；The tension force charging assembly includes：It is corresponding with the coaster The driving pulley system (16) of setting, the top between the driving pulley system (16) and the coaster are provided with head pulley Skeleton tower (11), and the inverted triangle sport(s) car (18) between the skeleton tower (11) and the driving pulley system (16), with And for guide rail of the inverted triangle sport(s) car along the axial movement；The coaster includes apparatus for suspension, movable stand and pulley support frame；The apparatus for suspension includes putting with the axially in parallel level The part put and the cuboid formed with the axially vertical part；Apparatus for suspension is provided with and the axially in parallel chute； The inverted triangle sport(s) car (18) includes the inverted triangle sport(s) car car body and the inverted triangle support frame on the car body；It is described Fixed hydraulic oil cylinder and the axially in parallel placement；The fixed hydraulic oil cylinder includes：Cylinder body, movement parts and seal；It is described Fixed hydraulic cylinder block includes cylinder seat and cylinder barrel；The cylinder seat is placed in the cylinder barrel bottom, and the cylinder seat is welded with the cylinder barrel It is connected in one.
- 2. detection means according to claim 1, it is characterised in that the movable stand is moving along the slide Frame；The movable stand include respectively with component described axially in parallel and perpendicular to horizontal direction；In the movable stand be provided with It is raised corresponding to the chute, it is connected in the chute on the apparatus for suspension；The inverted triangle sport(s) car car body include supporting plate and Wheel, the supporting plate are placed on wheel；The cylinder barrel is ring-shaped cylinder；Annular tube plug is provided with the top of the cylinder barrel；The cylinder Cylinder top inner wall is provided with projection；Wall is provided with neck corresponding with the projection to the annular canister beyond the Great Wall；The annular tube plug and institute State cylinder barrel clamping；The seal is on the inwall of the annular tube plug.
- 3. detection means according to claim 2, it is characterised in that the movable stand be provided with it is described axially in parallel Pulley support frame；The pulley support frame is two pairs of different components of height；The pulley support frame is provided with and the pulley The pulley of support frame size matching；The inverted triangle support frame include with the moving carriage being arranged in an axially parallel mode, two pieces with The axially in parallel clamping plate uprightly placed, it is placed between two pieces of clamping plates and the central pulley positioned at center and positioned at clamping plate Two side rollers of drift angle；The movement parts include piston and piston rod；The piston is placed in the cylinder barrel, with the cylinder barrel Inwall contacts；One end of the piston rod is fixed on piston, and the other end passes through the annular tube plug inwall；Set in the cylinder seat There is disengaging oil stream road；The fixed hydraulic oil cylinder is connected with the pulley on one of pulley support frame.
- 4. detection means according to claim 1, it is characterised in that：Steel wire rope as fixed wire test specimen is led with described Line test specimen passes through the head pulley of the tension force charging assembly together；The pulley that wire test specimen passes through inverted triangle sport(s) car.
- 5. detection means according to claim 1, it is characterised in that：The skeleton tower (11) includes vertical direction and level The connector in direction, and the platform to be bound by sheet material；The head pulley support of support head pulley (9) is provided with the platform Part；The head pulley support member both sides are provided with camera (10)；The center of the guide rail and/or the inverted triangle sport(s) car pass through The skeleton tower.
- 6. detection means according to claim 1, it is characterised in that：By the component of horizontal direction and the component of vertical direction The jack support frame (8) of composition is arranged above the guide rail；The member height of the vertical direction is more than the skeleton tower (11)；Jack normal thereto (13) is provided with the component of the horizontal direction.
- 7. detection means according to claim 4, guide rail (6) both ends are respectively provided with stroke limit protection switch (5)；Steel Cord is provided with limit induction collision block (7) and pulling force sensor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418513.4A CN104192640B (en) | 2014-08-22 | 2014-08-22 | A kind of conducting wire testing apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418513.4A CN104192640B (en) | 2014-08-22 | 2014-08-22 | A kind of conducting wire testing apparatus |
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| CN104192640A CN104192640A (en) | 2014-12-10 |
| CN104192640B true CN104192640B (en) | 2017-12-05 |
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| CN107826919B (en) * | 2017-10-20 | 2019-09-13 | 中国矿业大学 | A kind of lifting system critical component multimode health monitoring device and monitoring method |
| CN110261095A (en) * | 2019-07-23 | 2019-09-20 | 广东电网有限责任公司 | A kind of tension stringing experimental rig |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101216397B (en) * | 2008-01-10 | 2010-11-17 | 上海交通大学 | Elevator armored rope bending fatigue state experimental bench |
| US7552649B1 (en) * | 2008-07-29 | 2009-06-30 | Cheng Uei Precision Industry Co., Ltd. | Cable testing device |
| CN101556238B (en) * | 2009-05-11 | 2011-11-16 | 中国船舶重工集团公司第七二五研究所 | Device and method for testing linear reciprocating sliding friction and abrasion |
| CN201530641U (en) * | 2009-06-23 | 2010-07-21 | 上海金东线缆设备有限公司 | Automatic wire coil feeding and discharging device |
| CN102175548B (en) * | 2011-03-21 | 2013-02-06 | 武汉理工大学 | Test device for abrasion of multilayer winding wire rope-pulley |
| CN202305317U (en) * | 2011-10-20 | 2012-07-04 | 无锡通用钢绳有限公司 | Horizontal steel wire rope fatigue tester |
| US8820715B2 (en) * | 2012-02-22 | 2014-09-02 | Marmon Utility, Llc | Wire stringing angle clamp |
| CN203501987U (en) * | 2013-10-09 | 2014-03-26 | 国家电网公司 | Fixed-length small-span ground wire length measuring device |
| CN103558107A (en) * | 2013-11-06 | 2014-02-05 | 无锡俊达测试技术服务有限公司 | Textile wear-resistance testing device |
| CN203672736U (en) * | 2013-11-19 | 2014-06-25 | 江苏法尔胜技术开发中心有限公司 | Fretting wear testing device for aviation control steel wire rope |
| CN103950792A (en) * | 2014-05-07 | 2014-07-30 | 国家电网公司 | Detecting device for interaction of wires and paying-off pulleys in tension stringing process |
| CN103956682B (en) * | 2014-05-07 | 2018-05-01 | 国家电网公司 | A kind of adjustable pulley block test stand |
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