CN110966904A - Tunnel segment is with assembly test bench of multidirectional regulation - Google Patents
Tunnel segment is with assembly test bench of multidirectional regulation Download PDFInfo
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- CN110966904A CN110966904A CN201911307207.2A CN201911307207A CN110966904A CN 110966904 A CN110966904 A CN 110966904A CN 201911307207 A CN201911307207 A CN 201911307207A CN 110966904 A CN110966904 A CN 110966904A
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- lifting platform
- rotary lifting
- multidirectional
- concrete base
- detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A multi-directionally adjusted splicing detection test bed for tunnel segments comprises a steel protection cage, an annular concrete base and a rotary lifting platform which are coaxially and fixedly arranged on the ground, wherein the rotary lifting platform is positioned at an axis position, the annular concrete base is arranged outside the rotary lifting platform, and the annular steel protection cage with an opening at the top is arranged outside the annular concrete base; a plurality of limiting grooves are axially formed in the annular concrete base, and a plurality of multidirectional supporting units which extend out of the annular concrete base upwards are fixedly arranged in the limiting grooves; the top of the rotary lifting platform is horizontally rotated and vertically lifted and provided with a horizontal support for detecting the inner radian of the pipe piece. The detection test bed can be used for radian detection and splicing interface goodness of fit detection of a plurality of segments spliced into a ring, the segment supporting height and the detection height of the detection platform can be adjusted, and meanwhile, the adjustment of the segment supporting angle can be realized, and the detection test bed is simple in structure and easy to realize.
Description
Technical Field
The invention relates to the technical field of detection, in particular to an assembling detection test bed for tunnel segments through multidirectional adjustment.
Background
The shield segment is a main assembly component for shield construction, is the innermost barrier of the tunnel and plays a role in resisting soil layer pressure, underground water pressure and some special loads. The section of jurisdiction among the prior art is the arc structure, and the section of jurisdiction all need carry out the radian and detect after solidifying the shaping.
And section of jurisdiction concatenation test bench is used for detecting the section of jurisdiction and is interior circular arc error under the annular concatenation condition, and the base of section of jurisdiction concatenation test bench can realize the lift adjustment function of vertical direction among the prior art, but can't realize inclination's three-dimensional regulation, can't twist reverse around realizing on the basis of lift adjustment promptly or twist reverse about, and this has just resulted in the section of jurisdiction to have human error after assembling, and the section of jurisdiction concatenation user state in the unable accurate simulation tunnel detects the radian error of section of jurisdiction.
Through published patent searches, the following comparison documents were found:
the utility model provides a pipe piece internal diameter detection device (CN206321178U) discloses a pipe piece internal diameter detection device, and its technical scheme main points are pipe piece internal diameter detection device, characterized by: including the testing stand, the testing stand includes two parallels and is used for the centre gripping curb plate of centre gripping section of jurisdiction, and two centre gripping curb plates are slided and are connected with the detection box, are equipped with the location axle that is used for conflict section of jurisdiction intrados on the detection box, still are equipped with two sliding shaft rather than sliding connection, be used for conflict section of jurisdiction intrados on the detection box, and the length of sliding shaft is less than the location axle, is equipped with the scale that supplies the sliding shaft to measure the distance of sliding on the detection box. Through section of jurisdiction internal diameter detection device, get the measurement that single section of jurisdiction can realize the internal diameter, need not to assemble a plurality of sections of jurisdiction, detect more laborsavingly.
Through the analysis, except that the internal and external surface radian when the section of jurisdiction is examined, still must detect the section of jurisdiction concatenation interface coincide all around, this just requires to splice into its annular state when laying in the tunnel with the section of jurisdiction, and section of jurisdiction internal diameter detection device in the above-mentioned patent publication can detect the radian of single section of jurisdiction, obviously does not possess annular radian and detects the function, consequently does not influence the novelty of this application.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a multidirectional-adjustment splicing detection test bed for tunnel segments, the detection test bed can be used for performing radian detection and splicing interface goodness of fit detection on a plurality of segments spliced into a ring, the supporting height of the segments and the detection height of a detection platform can be adjusted, meanwhile, the adjustment of the supporting angle of the segments can be realized, and the multidirectional-adjustment splicing detection test bed is simple in structure and easy to realize.
A multi-directionally adjusted splicing detection test bed for tunnel segments comprises a steel protection cage, an annular concrete base and a rotary lifting platform which are coaxially and fixedly arranged on the ground, wherein the rotary lifting platform is positioned at an axis position, the annular concrete base is arranged outside the rotary lifting platform, and the annular steel protection cage with an opening at the top is arranged outside the annular concrete base; a plurality of limiting grooves are axially formed in the annular concrete base, and a plurality of multidirectional supporting units which extend out of the annular concrete base upwards are fixedly arranged in the limiting grooves; the top of the rotary lifting platform is horizontally rotated and vertically lifted and provided with a horizontal support for detecting the inner radian of the pipe piece.
The multidirectional supporting unit comprises a hydraulic cylinder, a fixed base and an I-shaped steel adjusting frame, wherein the hydraulic cylinder is axially and fixedly arranged in the limiting groove, and the output end of the hydraulic cylinder is coaxially and fixedly provided with the fixed base; the top surface of the fixed base is adjustably connected with an I-shaped steel adjusting frame, four corners of the top surface of the fixed base are fixedly connected with adjusting screws, and the middle part of the top surface of the fixed base is provided with a spherical groove; four corners of the bottom surface of the I-shaped steel adjusting frame are provided with through holes, and the middle part of the bottom surface of the I-shaped steel adjusting frame is fixedly welded with a spherical convex block which is arranged in the spherical groove and slides in a matching way.
The rotary lifting platform also comprises a cylinder barrel base, a lifting piston and a rotating shaft which are coaxially arranged, wherein the bottom of the cylinder barrel base is fixedly arranged on the ground at the axis position of the rotary lifting platform, and a hydraulic oil cavity is arranged in the cylinder barrel base; a lifting piston which axially slides and upwards extends out of the cylinder barrel base is arranged in the hydraulic oil cavity; the top of the lifting piston is coaxially inserted and is connected with a rotating shaft in a rotating fit mode, and the top of the rotating shaft is fixedly connected with a horizontal support.
And the adjusting screw rod upwards penetrates through the through hole, and a plurality of adjusting nuts pressed on the bottom surface of the I-shaped steel adjusting frame are in threaded connection with the adjusting screw rod.
And the diameter of the through hole is larger than that of the adjusting screw rod, and the diameter of the through hole is smaller than the diameter of the outer circle of the adjusting nut.
The invention has the advantages and technical effects that:
according to the assembling detection test bed for the tunnel segment in the multidirectional adjustment mode, the cylindrical steel protection cage is used for external protection to prevent the segment from overturning, and the top of the steel protection cage is provided with an opening, so that the segment can be conveniently hoisted and spliced from the top of the test bed; the multidirectional supporting units are limited and supported by the annular concrete base, and the segments are supported by the combination of the multidirectional supporting units, so that the lifting adjustment and the supporting angle adjustment in the segment splicing process are realized, and the segment splicing operation before detection is facilitated; the segments are spliced into a ring and then rotated by a horizontal bracket of the rotary lifting platform, and measuring instruments such as dial indicators and the like can be arranged at the two ends of the horizontal bracket during detection so as to detect the coaxiality of the ring-shaped segments and the rotating shaft; and finally, the cylinder barrel base provides bottom support for the rotary lifting platform, a hydraulic oil cavity in the cylinder barrel base is connected with an oil pump, the support height adjustment of the lifting piston can be realized, the rotating shaft is inserted into the top of the lifting piston, the rotating shaft is radially limited and circumferentially and rotatably supported, and finally, the lifting adjustable horizontal support and the detection function of rotation on the horizontal plane are realized.
According to the assembling detection test bed for the multidirectional adjustment of the tunnel segment, the hydraulic cylinder in the supporting unit provides basic support, the spherical groove on the top surface of the fixed base is matched with the spherical convex block on the bottom surface of the I-shaped steel adjusting frame in a sliding mode to support, so that the structural stability of the inclined support after the angle adjustment is ensured, meanwhile, the fixed base is connected with the I-shaped steel adjusting frame in an angle-adjustable mode through the adjusting screw rod and the adjusting nut, the supporting heights of four corners of the I-shaped steel adjusting frame are respectively controlled through the screwing position of the adjusting nut on the adjusting screw rod, and therefore the three-dimensional adjusting function of the segment support is achieved.
The assembling detection test bed for the tunnel segment with the multidirectional adjustment can detect the splicing state of the segment, not only can detect the radian of the segment, but also can detect the goodness of a connecting interface at the end part of the segment according to the actual splicing state, can detect a plurality of segments at one time, has high detection efficiency, can adjust the supporting height of the segment and the detection height of a horizontal support, is suitable for detecting the segments with different sizes and specifications, and is a more creative assembling detection test bed for the tunnel segment with the multidirectional adjustment.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic diagram of the detection state of the present invention;
FIG. 3 is a cross-sectional view of the rotary lift table of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
FIG. 5 is a top view of the present invention;
in the figure: 1-steel cage protection; 2-a horizontal support; 3-rotating the lifting table; 4-a multidirectional supporting unit; 5-an annular concrete base; 6-a duct piece; 7-a rotating shaft; 8-lifting piston; 9-a cylinder base; 10-a hydraulic oil chamber; 11-an I-steel adjusting frame; 12-an adjusting nut; 13-a through hole; 14-adjusting the screw; 15-a fixed base; 16-a hydraulic cylinder; 17-a limit groove; 18-spherical grooves; 19-spherical bumps;
Detailed Description
For a further understanding of the contents, features and effects of the present invention, reference will now be made to the following examples, which are to be considered in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A multi-direction adjusting assembly detection test bed for tunnel segments comprises a steel protection cage 1, an annular concrete base 5 and a rotary lifting platform 3 which are coaxially and fixedly arranged on the ground, wherein the rotary lifting platform is positioned at an axis position, the annular concrete base is arranged outside the rotary lifting platform, and the annular steel protection cage with an opening at the top is arranged outside the annular concrete base; a plurality of limiting grooves 17 are axially formed in the annular concrete base, and a plurality of multidirectional supporting units 4 extending out of the annular concrete base upwards are fixedly arranged in the limiting grooves; the top of the rotary lifting platform is horizontally rotated and vertically lifted, and a horizontal bracket 2 for detecting the inner radian of the pipe piece is arranged on the top of the rotary lifting platform.
The multidirectional supporting unit comprises a hydraulic cylinder 16, a fixed base 15 and an I-shaped steel adjusting frame 11, wherein the hydraulic cylinder is axially and fixedly arranged in the limiting groove, and the output end of the hydraulic cylinder is coaxially and fixedly provided with the fixed base; the top surface of the fixed base is adjustably connected with an I-shaped steel adjusting frame, four corners of the top surface of the fixed base are fixedly connected with adjusting screws 14, and the middle part of the top surface of the fixed base is provided with a spherical groove 18; through holes 13 are formed at four corners of the bottom surface of the I-shaped steel adjusting frame, and a spherical convex block 19 which is arranged in the spherical groove and slides in a matching manner is fixedly welded in the middle of the bottom surface of the I-shaped steel adjusting frame.
The rotary lifting platform also comprises a cylinder barrel base 9, a lifting piston 8 and a rotating shaft 7 which are coaxially arranged, wherein the bottom of the cylinder barrel base is fixedly arranged on the ground at the axis position of the rotary lifting platform, and a hydraulic oil cavity 10 is arranged in the cylinder barrel base; a lifting piston which axially slides and upwards extends out of the cylinder barrel base is arranged in the hydraulic oil cavity; the top of the lifting piston is coaxially inserted and is connected with a rotating shaft in a rotating fit mode, and the top of the rotating shaft is fixedly connected with a horizontal support.
And the adjusting screw rod upwards penetrates through the through hole, and a plurality of adjusting nuts 12 pressed on the bottom surface of the I-shaped steel adjusting frame are in threaded connection with the adjusting screw rod.
And the diameter of the through hole is larger than that of the adjusting screw rod, and the diameter of the through hole is smaller than the diameter of the outer circle of the adjusting nut.
To more clearly illustrate the embodiments of the present invention, an example is provided below:
the invention relates to an assembling detection test bed for tunnel segments, which is characterized in that when in detection, segments 6 need to be hoisted by a crane or a gantry crane and the like, the segments are placed down from a top opening of a steel cage until the segments are stably supported by multidirectional supporting units, so that the segments are reciprocated until the segments are supported at the tops of the multidirectional supporting units in a ring shape (namely, the actual assembling state of the segments in a tunnel is simulated), then a detector adjusts the jacking height of the multidirectional supporting units according to the assembling interface of the end surfaces of the segments to detect the interface matching degree of the assembled annular segments, ensures that the segments are all positioned on the same horizontal plane, in order to prevent the segments from deflecting after assembling or the segments from deforming (inner arc is changed into conical surface), the detector needs to sample data with different detection heights according to the width of the segments, and only needs to control the oil pressure in a cavity by an oil pump in the prior art when detecting the height, the lifting adjustment of the horizontal support is powered, the rotating power of the horizontal support is provided by the reverse force of a detector standing on the horizontal support for pushing the duct piece by hands, and the two ends of the horizontal support are provided with dial indicators in the prior art, so that the deformation, namely the error, of the inner arc of the duct piece can be conveniently detected.
According to the assembling detection test bed for the tunnel segment, the supporting height and the supporting angle of the segment are adjusted through the multidirectional supporting units during detection, the segment needs to be sequentially hoisted to the top surface of an I-shaped steel adjusting frame of the multidirectional supporting units by hoisting equipment (two ends of a single segment are respectively supported by the two multidirectional supporting units), adjusting nuts on the multidirectional supporting units are sequentially adjusted according to seam gaps after the segment is assembled, the tight connection of seams between the segments is ensured, and the inner arc error of the annular segment is detected through a dial indicator on the horizontal support after the adjustment is completed.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (5)
1. The utility model provides a tunnel segment is with assembly test bench of multidirectional regulation which characterized in that: the device comprises a steel protection cage, an annular concrete base and a rotary lifting platform which are coaxially and fixedly arranged on the ground, wherein the rotary lifting platform is positioned at the axis position, the annular concrete base is arranged outside the rotary lifting platform, and the annular steel protection cage with an opening at the top is arranged outside the annular concrete base; a plurality of limiting grooves are axially formed in the annular concrete base, and a plurality of multidirectional supporting units which extend out of the annular concrete base upwards are fixedly arranged in the limiting grooves; and a horizontal support for detecting the inner radian of the pipe piece is horizontally rotated and vertically lifted at the top of the rotary lifting platform.
2. The assembly detection test bed for the multidirectional adjustment of the tunnel segment according to claim 1, is characterized in that: the multidirectional supporting unit comprises a hydraulic cylinder, a fixed base and an I-shaped steel adjusting frame, wherein the hydraulic cylinder is axially and fixedly arranged in the limiting groove, and the output end of the hydraulic cylinder is coaxially and fixedly provided with the fixed base; the top surface of the fixed base is adjustably connected with an I-shaped steel adjusting frame, four corners of the top surface of the fixed base are fixedly connected with adjusting screws, and the middle part of the top surface of the fixed base is provided with a spherical groove; four corners of the bottom surface of the I-shaped steel adjusting frame are provided with through holes, and the middle part of the bottom surface of the I-shaped steel adjusting frame is fixedly welded with a spherical convex block which is arranged in the spherical groove and slides in a matched mode.
3. The assembly detection test bed for the multidirectional adjustment of the tunnel segment according to claim 1, is characterized in that: the rotary lifting platform also comprises a cylinder barrel base, a lifting piston and a rotating shaft which are coaxially arranged, wherein the bottom of the cylinder barrel base is fixedly arranged on the ground at the axis position of the rotary lifting platform, and a hydraulic oil cavity is arranged in the cylinder barrel base; a lifting piston which axially slides and upwards extends out of the cylinder barrel base is arranged in the hydraulic oil cavity; the top of the lifting piston is coaxially inserted and is connected with a rotating shaft in a rotating fit mode, and the top of the rotating shaft is fixedly connected with a horizontal support.
4. The assembly detection test bed for the multidirectional adjustment of the tunnel segment as claimed in claim 2, wherein: the adjusting screw rod penetrates through the through hole upwards, and a plurality of adjusting nuts pressed on the bottom surface of the I-shaped steel adjusting frame are connected to the adjusting screw rod in a threaded mode.
5. The assembly detection test bed for the multidirectional adjustment of the tunnel segment as claimed in claim 2, wherein: the diameter of the through hole is larger than that of the adjusting screw rod, and the diameter of the through hole is smaller than the diameter of the outer circle of the adjusting nut.
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CN201911307207.2A CN110966904B (en) | 2019-12-18 | 2019-12-18 | Tunnel segment is with assembly test bench of multidirectional regulation |
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CN201911307207.2A CN110966904B (en) | 2019-12-18 | 2019-12-18 | Tunnel segment is with assembly test bench of multidirectional regulation |
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Citations (13)
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US5511760A (en) * | 1993-11-02 | 1996-04-30 | Kambara; Goro | Post installable self locking machine leveling device |
CN202769187U (en) * | 2012-06-28 | 2013-03-06 | 中国科学院苏州纳米技术与纳米仿生研究所 | Multi-angle fine-tuning platform |
CN205806839U (en) * | 2016-07-18 | 2016-12-14 | 哈尔滨理工大学 | The software experimentation platform that high in the clouds is merged |
WO2017081502A1 (en) * | 2015-11-09 | 2017-05-18 | Kármán Balázs | Spherical head assembly for attaching an optical and/or electronic device to a stander |
CN206321178U (en) * | 2016-12-27 | 2017-07-11 | 深圳市高新建混凝土有限公司 | A kind of section of jurisdiction internal diameter detection means |
CN107167049A (en) * | 2017-05-26 | 2017-09-15 | 郑州大学 | A kind of crankshaft grinding processes on-position measure device |
CN107621362A (en) * | 2017-09-01 | 2018-01-23 | 西北工业大学 | Multi-angle deflection test platform |
CN207058873U (en) * | 2017-06-21 | 2018-03-02 | 北京建工新型建材科技股份有限公司 | A kind of levelling device assembled for the examination of the ring of metro shield section of jurisdiction three |
CN208168390U (en) * | 2018-04-24 | 2018-11-30 | 中建幕墙有限公司 | A kind of adjustable load carrier of multiple degrees of freedom |
CN108915768A (en) * | 2018-08-28 | 2018-11-30 | 北京城建设计发展集团股份有限公司 | Heat distribution pipeline fixing force transfer bracket system in heating power shield tunnel |
CN109162739A (en) * | 2018-09-30 | 2019-01-08 | 广东省长大公路工程有限公司 | A kind of adjustable I-steel connecting bracket and steel arch-shelf welding method |
CN208616152U (en) * | 2018-05-18 | 2019-03-19 | 青岛造船厂有限公司 | A kind of adjustable buttress device |
CN209369838U (en) * | 2018-03-28 | 2019-09-10 | 河南河阳鸿丰建材有限公司 | A kind of shield duct piece tricyclic assembly jig |
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2019
- 2019-12-18 CN CN201911307207.2A patent/CN110966904B/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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US5511760A (en) * | 1993-11-02 | 1996-04-30 | Kambara; Goro | Post installable self locking machine leveling device |
CN202769187U (en) * | 2012-06-28 | 2013-03-06 | 中国科学院苏州纳米技术与纳米仿生研究所 | Multi-angle fine-tuning platform |
WO2017081502A1 (en) * | 2015-11-09 | 2017-05-18 | Kármán Balázs | Spherical head assembly for attaching an optical and/or electronic device to a stander |
CN205806839U (en) * | 2016-07-18 | 2016-12-14 | 哈尔滨理工大学 | The software experimentation platform that high in the clouds is merged |
CN206321178U (en) * | 2016-12-27 | 2017-07-11 | 深圳市高新建混凝土有限公司 | A kind of section of jurisdiction internal diameter detection means |
CN107167049A (en) * | 2017-05-26 | 2017-09-15 | 郑州大学 | A kind of crankshaft grinding processes on-position measure device |
CN207058873U (en) * | 2017-06-21 | 2018-03-02 | 北京建工新型建材科技股份有限公司 | A kind of levelling device assembled for the examination of the ring of metro shield section of jurisdiction three |
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CN209369838U (en) * | 2018-03-28 | 2019-09-10 | 河南河阳鸿丰建材有限公司 | A kind of shield duct piece tricyclic assembly jig |
CN208168390U (en) * | 2018-04-24 | 2018-11-30 | 中建幕墙有限公司 | A kind of adjustable load carrier of multiple degrees of freedom |
CN208616152U (en) * | 2018-05-18 | 2019-03-19 | 青岛造船厂有限公司 | A kind of adjustable buttress device |
CN108915768A (en) * | 2018-08-28 | 2018-11-30 | 北京城建设计发展集团股份有限公司 | Heat distribution pipeline fixing force transfer bracket system in heating power shield tunnel |
CN109162739A (en) * | 2018-09-30 | 2019-01-08 | 广东省长大公路工程有限公司 | A kind of adjustable I-steel connecting bracket and steel arch-shelf welding method |
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