CN103692244A - Crane-type shaft box processing and positioning device - Google Patents
Crane-type shaft box processing and positioning device Download PDFInfo
- Publication number
- CN103692244A CN103692244A CN201310724419.7A CN201310724419A CN103692244A CN 103692244 A CN103692244 A CN 103692244A CN 201310724419 A CN201310724419 A CN 201310724419A CN 103692244 A CN103692244 A CN 103692244A
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- type shaft
- shaft box
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- 239000006096 absorbing agent Substances 0.000 claims abstract description 22
- 230000035939 shock Effects 0.000 claims abstract description 22
- 238000003754 machining Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a crane-type shaft box processing and positioning device which comprises a base, a positioning post, a support seat, a press device and a positioning stop post, wherein an installation positioning hole is formed in the base, the positioning post is arranged on the base and used for positioning a shock absorber installation hole of a crane-type shaft box, the support seat is arranged on the base and used for supporting one end, far from the shock absorber installation hole, of the crane-type shaft box, the press device is arranged at one end, close to the support seat, of the base, and used for tightly pressing one end, far from the shock absorber installation hole, of the crane-type shaft box, and the positioning stop post is arranged on the base and used for positioning one end, far from the shock absorber installation hole, of the crane-type shaft box. With the adoption of the crane-type shaft box processing and positioning device provided by the embodiment of the invention, a crane-type shaft box can be positioned relative to a processing device by fixedly positioning and movably positioning, error accumulation caused by frequently positioning and clamping the crane-type shaft box is prevented, and the processing accuracy of the crane-type shaft box is further effectively improved.
Description
Technical Field
The invention relates to the technical field of motor train unit equipment, in particular to a rotating arm type shaft box body processing and positioning device.
Background
In the process of machining the knuckle arm type axle box body of the bogie, due to the complex shape of the knuckle arm type axle box body, machining needs to be carried out on multiple surfaces of the knuckle arm type axle box body. Due to the fact that different devices are needed for machining, the rotating arm type shaft box body needs to be clamped for many times in the machining process.
The equipment required for processing the rotating arm type shaft box body comprises a vertical processing center, a planer milling cutter, a numerical control vertical lathe, a rocker drill and the like, and the rotating arm type shaft box body is respectively clamped in the equipment, so that clamping and processing errors on the equipment are accumulated, the processing error of the rotating arm type shaft box body is large, and the rotating arm type shaft box body can not be used even in serious cases.
Therefore, how to improve the processing precision of the swing arm type shaft box body is a problem to be solved urgently by the technical field.
Disclosure of Invention
In view of this, the invention provides a positioning device for processing a swing arm type shaft box body, which improves the processing precision of the swing arm type shaft box body.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a jib formula axle box processing positioner, includes:
the base is provided with an installation positioning hole;
the positioning column is arranged on the base and used for positioning a shock absorber mounting hole of the rotating arm type shaft box body;
the supporting seat is arranged on the base and used for supporting one end, far away from the shock absorber mounting hole, of the rotating arm type shaft box body;
the pressing device is arranged at one end, close to the supporting seat, of the base and is used for pressing one end, far away from the shock absorber mounting hole, of the rotating arm type shaft box body;
and the positioning stop column is arranged on the base and used for positioning one end of the rotating arm type shaft box body, which is far away from the shock absorber mounting hole.
Preferably, in the above-mentioned swing arm type shaft box processing and positioning device, the positioning stop column is telescopically arranged on the base.
Preferably, the device for processing and positioning the swing-arm-type shaft box further comprises a bolt arranged on the base and used for being in threaded connection with the swing-arm-type shaft box.
Preferably, in the above-mentioned device for processing and positioning a swing-arm type shaft box, an adjusting seat is further included, which is disposed between the bolt and the support seat and used for transverse alignment of the swing-arm type shaft box.
Preferably, in the above-mentioned swing arm type shaft box processing and positioning device, the adjusting seat includes a supporting seat fixedly disposed on the base and a fastening screw device disposed on the supporting seat;
the number of the fastening screw devices is two, and the arrangement direction of the fastening screw devices is perpendicular to the arrangement direction of the bolts and the supporting seats.
Preferably, in the above-mentioned jib-type shaft box processing and positioning device, the support seat is connected with the base by a bolt;
the supporting seat and the base are positioned through a positioning pin.
Preferably, in the above-mentioned jib type shaft box processing positioner, the pressing device includes a connecting rod disposed on the base, a pressing block sleeved on the connecting rod, and a nut in threaded fit with the connecting rod.
Preferably, in the above-mentioned jib type shaft box processing positioner, the pressing block has a slot through which the connecting rod passes.
Preferably, in the above-mentioned processing and positioning device for a swing-arm type shaft box, one end of the pressing block is a pressing end for contacting with the swing-arm type shaft box, and the other end is a supporting end;
the base is provided with a supporting column, and the top end of the supporting column is abutted to the supporting end of the bottom of the pressing block.
Preferably, in the above-mentioned jib type axle box processing positioner, still include set up in the eyebolt of base.
According to the technical scheme, when the rotating arm type shaft box body is assembled on the rotating arm type shaft box body machining and positioning device provided by the embodiment of the invention, the rotating arm type shaft box body is already machined to form the shock absorber mounting hole. Sleeving a shock absorber mounting hole of the rotating arm type shaft box body on the positioning column; one end of the rotating arm type shaft box body, which is far away from the shock absorber mounting hole, is supported on the supporting seat, and is positioned in a rotation stopping way through a positioning stopping post arranged on the base, and is pressed to the top surface of the base through the pressing device. The two ends of the rotating arm type shaft box body are fixed, and the rotating arm type shaft box body is accurately installed on the rotating arm type shaft box body processing and positioning device provided by the embodiment of the invention. According to the processing and positioning device for the swing-arm-type shaft box body provided by the embodiment of the invention, the swing-arm-type shaft box body can be positioned relative to the processing device only through the mounting positioning column and the positioning stop of the base, so that error accumulation caused by multiple positioning and clamping of the swing-arm-type shaft box body is avoided, and the processing precision of the swing-arm-type shaft box body is further effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an assembly schematic view of a jib type shaft box processing and positioning device and a jib type shaft box provided by an embodiment of the invention;
fig. 2 is an assembly front view of the jib type shaft box processing and positioning device and the jib type shaft box provided by the embodiment of the invention;
fig. 3 is a schematic structural diagram of a rotating arm type shaft box processing and positioning device provided in the embodiment of the present invention.
Wherein,
the device comprises a base-1, a pressing device-2, a supporting seat-3, a positioning column-4, a positioning stop column-5, a bolt-6, an adjusting seat-7, a supporting column-8, a lifting bolt-9 and a rotating arm type shaft box body-A.
Detailed Description
The invention discloses a processing and positioning device for a rotating arm type shaft box body, which improves the processing precision of the rotating arm type shaft box body.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is an assembly schematic view of a machining and positioning device for a jib type shaft box and the jib type shaft box according to an embodiment of the present invention; fig. 2 is an assembly front view of the jib type shaft box processing and positioning device and the jib type shaft box provided by the embodiment of the invention; fig. 3 is a schematic structural diagram of a rotating arm type shaft box processing and positioning device provided in the embodiment of the present invention.
The invention provides a rotating arm type shaft box processing and positioning device, which comprises: the device comprises a base 1, wherein a mounting positioning hole is formed in the base 1; the positioning column 4 is arranged on the base 1 and used for positioning a shock absorber mounting hole of the rotating arm type shaft box body A; the supporting seat 3 is arranged on the base 1 and used for supporting one end, away from the shock absorber mounting hole, of the rotating arm type shaft box body A; the pressing device 2 is arranged at one end of the base 1 close to the supporting seat 3 and used for pressing one end of the rotating arm type shaft box body A away from the shock absorber mounting hole; and the positioning stop column 5 is arranged on the base 1 and is used for positioning one end of the rotating arm type shaft box body A, which is far away from the shock absorber mounting hole.
As shown in fig. 1 and fig. 2, when the swing arm type shaft box body a is assembled on the swing arm type shaft box body processing and positioning device provided by the embodiment of the invention, the swing arm type shaft box body a is already processed to complete the shock absorber mounting hole. Sleeving a shock absorber mounting hole of the rotating arm type shaft box body A on the positioning column 4; one end of the rotating arm type shaft box body A far away from the shock absorber mounting hole is supported on the supporting seat 3, carries out rotation stopping positioning through a positioning stopping post 5 arranged on the base 1, and presses to the top surface of the base 1 through the pressing device 2. The two ends of the rotating arm type shaft box body A are fixed, and the rotating arm type shaft box body A is accurately installed on the rotating arm type shaft box body processing and positioning device provided by the embodiment of the invention. According to the processing and positioning device for the swing-arm-type shaft box body provided by the embodiment of the invention, the swing-arm-type shaft box body can be positioned relative to the processing device only by positioning the swing-arm-type shaft box body through the positioning column 4 and the positioning stop column 5 of the base, so that error accumulation caused by multiple positioning and clamping of the swing-arm-type shaft box body A is avoided, and the processing precision of the swing-arm-type shaft box body A is further effectively improved.
In this embodiment, the positioning stop column 5 of the rotating arm type shaft box processing and positioning device is telescopically arranged on the base 1. In the installation process of the rotating arm type shaft box body A, the positioning stop column 5 extends out relative to the base 1 so as to position one end of the rotating arm type shaft box body A supported on the supporting seat 3, and in the machining process of the rotating arm type shaft box body A, the positioning stop column 5 retracts into the base 1 so as to avoid mutual interference of machining equipment and the positioning stop column 5.
Further, the device for processing and positioning the swing-arm-type shaft box body provided by the embodiment of the invention further comprises a bolt 6 which is arranged on the base 1 and is used for being in threaded connection with the swing-arm-type shaft box body A. As shown in fig. 2, the bolt 6 penetrates through the upper supporting plate of the base 1, is in threaded fit with the swing-arm-type shaft box body a, applies a pulling force to the swing-arm-type shaft box body a towards the base 1, and further improves the position accuracy of the swing-arm-type shaft box body a on the base 1 through the fit of the bolt 6 with the threaded hole of the swing-arm-type shaft box body a.
As shown in fig. 1 and 2, the positioning device for processing the swing arm type shaft box further includes an adjusting seat 7 disposed between the bolt 6 and the supporting seat 3 for transverse alignment of the swing arm type shaft box a. Through setting up adjusting seat 7, further to the position adjustment on the range direction of jib type axle box A perpendicular to supporting seat 3 and reference column 4 on base 1, further the mounted position accuracy of jib type axle box A on jib type axle box processing positioner. Wherein, the transverse direction of the transverse alignment of the rotating arm type axle box body A is vertical to the arrangement direction of the supporting seat 3 and the positioning column 4.
Furthermore, the adjusting seat 6 comprises a supporting seat fixedly arranged on the base 1 and a fastening screw device arranged on the supporting seat; the number of the fastening screw devices is two, and the arrangement direction of the fastening screw devices is vertical to the arrangement direction of the bolts 6 and the supporting seat 3. When the swing-arm type shaft box body A is assembled relative to the swing-arm type shaft box body processing and positioning device provided by the embodiment of the invention, after two ends of the swing-arm type shaft box body A are respectively fixed on the supporting seat 3 and the positioning column 4, the middle part of the swing-arm type shaft box body A is positioned between the two fastening screw devices, and the screw end parts of the two fastening screw devices are abutted against two sides of the swing-arm type shaft box body A by adjusting the two fastening screw devices, so that the transverse alignment of the swing-arm type shaft box body A is completed.
Preferably, the supporting seat is connected with the base 1 through bolts; the supporting seat and the base 1 are positioned through a positioning pin.
In the processing and positioning device for the swing-arm type shaft box provided by the embodiment of the invention, the pressing device 2 comprises a connecting rod arranged on the base 1, a pressing block sleeved on the connecting rod and a nut in threaded fit with the connecting rod, and the effect that the pressing block presses the swing-arm type shaft box A to the base 1 is achieved by screwing the nut relative to the connecting rod.
As shown in fig. 1, the compression block has a slot through which the link passes. Through setting up the draw-in groove for the nut is installed on the connecting rod all the time, only needs to set up the tip of jib formula axle box A on supporting seat 3, and the compact heap sets up between nut and jib formula axle box A, and the connecting rod passes through the draw-in groove cover and locates in the compact heap, and furtherly can set up the gasket between nut and compact heap.
One end of the pressing block is a pressing end used for contacting with the rotating arm type shaft box body A, and the other end of the pressing block is a supporting end; be provided with support column 8 on the base 1, the top of support column 8 offsets with the support end at the bottom of the compact heap.
As shown in fig. 1, the supporting column 8 is disposed between the pressing device 2 and the positioning column 4; other positions are also possible, as shown in fig. 2 and 3, in which the supporting column 8 is arranged on the side of the pressing device 2 away from the positioning column 4. The specific position of the supporting column 8 depends on the actual machining size of the rotating arm type shaft box body A, and is not described one by one and is within the protection range.
In order to facilitate carrying, the rotating arm type shaft box processing and positioning device provided by the embodiment of the invention further comprises a lifting bolt 9 arranged on the base 1.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a jib formula axle box processing positioner which characterized in that includes:
the device comprises a base (1), wherein a mounting positioning hole is formed in the base (1);
the positioning column (4) is arranged on the base (1) and used for positioning a shock absorber mounting hole of the rotating arm type shaft box body (A);
the supporting seat (3) is arranged on the base (1) and is used for supporting one end, away from the shock absorber mounting hole, of the rotating arm type shaft box body (A);
the pressing device (2) is arranged at one end, close to the supporting seat (3), of the base (1) and used for pressing one end, far away from the shock absorber mounting hole, of the rotating arm type shaft box body (A);
and the positioning stop column (5) is arranged on the base (1) and is used for positioning one end of the rotating arm type shaft box body (A) far away from the shock absorber mounting hole.
2. The swing-arm type shaft box processing and positioning device as claimed in claim 1, wherein the positioning stop column (5) is telescopically arranged on the base (1).
3. The swing-arm type axle box processing and positioning device of claim 1, further comprising a bolt (6) arranged on the base (1) and used for being in threaded connection with the swing-arm type axle box A.
4. The positioning device for machining the swivel-arm type axle box body according to claim 3, further comprising an adjusting seat (7) arranged between the bolt (6) and the supporting seat (3) and used for transverse alignment of the swivel-arm type axle box body (A).
5. The swing-arm type axle box processing and positioning device of claim 4, wherein the adjusting seat (6) comprises a supporting seat fixedly arranged on the base (1) and a fastening screw device arranged on the supporting seat;
the number of the fastening screw devices is two, and the arrangement direction of the fastening screw devices is perpendicular to the arrangement direction of the bolts (6) and the supporting seat (3).
6. The swing-arm type axle box processing and positioning device of claim 5, wherein the supporting seat is connected with the base (1) through bolts;
the supporting seat and the base (1) are positioned through a positioning pin.
7. The swing arm type axle box processing and positioning device of claim 1, wherein the pressing device (2) comprises a connecting rod arranged on the base (1), a pressing block sleeved on the connecting rod and a nut in threaded fit with the connecting rod.
8. The swing arm type axle box processing and positioning device of claim 7, wherein the pressing block is provided with a clamping groove for the connecting rod to pass through.
9. The swing-arm type axle box body processing and positioning device of claim 7 or 8, wherein one end of the pressing block is a pressing end for contacting with the swing-arm type axle box body (A), and the other end is a supporting end;
the base (1) is provided with a supporting column (8), and the top end of the supporting column (8) is abutted to the supporting end of the pressing block bottom.
10. The machining and positioning device for the swing-arm type shaft box body according to claim 1, characterized by further comprising an eyebolt (9) arranged on the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724419.7A CN103692244B (en) | 2013-12-24 | 2013-12-24 | Crane-type shaft box processing and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724419.7A CN103692244B (en) | 2013-12-24 | 2013-12-24 | Crane-type shaft box processing and positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103692244A true CN103692244A (en) | 2014-04-02 |
| CN103692244B CN103692244B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310724419.7A Active CN103692244B (en) | 2013-12-24 | 2013-12-24 | Crane-type shaft box processing and positioning device |
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| Country | Link |
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| CN (1) | CN103692244B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034542A (en) * | 2014-06-23 | 2014-09-10 | 常州华德机械有限公司 | Fatigue test tool for high-speed train bogie journal box |
| CN104907960A (en) * | 2015-06-15 | 2015-09-16 | 鹰普（中国）有限公司 | Rocker arm detection fixture |
| CN107838714A (en) * | 2017-11-01 | 2018-03-27 | 中车长江铜陵车辆有限公司 | A kind of borehole positioning apparatus of rail vehicle truck pivoted arm |
| CN110732972A (en) * | 2019-11-19 | 2020-01-31 | 中国航发贵州黎阳航空动力有限公司 | positioning method and positioning block |
| CN112059653A (en) * | 2020-09-15 | 2020-12-11 | 湖北三环锻造有限公司 | Clamp system of steering straight pull rod arm with disc part structure |
| CN113369921A (en) * | 2021-06-21 | 2021-09-10 | 长春中车轨道车辆有限公司 | EMUs axle box node spot facing work frock |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5746135A (en) * | 1995-11-08 | 1998-05-05 | General Electric Company | Self-steering railway truck |
| CN202144023U (en) * | 2011-07-05 | 2012-02-15 | 中国北车集团大同电力机车有限责任公司 | Fixture used for axle box body of electric locomotive |
| CN102825477A (en) * | 2012-09-12 | 2012-12-19 | 南车洛阳机车有限公司 | Machining tooling of axle hanging box of locomotive |
| CN103419037A (en) * | 2013-08-29 | 2013-12-04 | 南车南京浦镇车辆有限公司 | Once-processing tool of shaft housing |
| CN203751714U (en) * | 2013-12-24 | 2014-08-06 | 南车青岛四方机车车辆股份有限公司 | Rotating arm type axle box body processing and positioning device |
-
2013
- 2013-12-24 CN CN201310724419.7A patent/CN103692244B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5746135A (en) * | 1995-11-08 | 1998-05-05 | General Electric Company | Self-steering railway truck |
| CN202144023U (en) * | 2011-07-05 | 2012-02-15 | 中国北车集团大同电力机车有限责任公司 | Fixture used for axle box body of electric locomotive |
| CN102825477A (en) * | 2012-09-12 | 2012-12-19 | 南车洛阳机车有限公司 | Machining tooling of axle hanging box of locomotive |
| CN103419037A (en) * | 2013-08-29 | 2013-12-04 | 南车南京浦镇车辆有限公司 | Once-processing tool of shaft housing |
| CN203751714U (en) * | 2013-12-24 | 2014-08-06 | 南车青岛四方机车车辆股份有限公司 | Rotating arm type axle box body processing and positioning device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034542A (en) * | 2014-06-23 | 2014-09-10 | 常州华德机械有限公司 | Fatigue test tool for high-speed train bogie journal box |
| CN104907960A (en) * | 2015-06-15 | 2015-09-16 | 鹰普（中国）有限公司 | Rocker arm detection fixture |
| CN107838714A (en) * | 2017-11-01 | 2018-03-27 | 中车长江铜陵车辆有限公司 | A kind of borehole positioning apparatus of rail vehicle truck pivoted arm |
| CN110732972A (en) * | 2019-11-19 | 2020-01-31 | 中国航发贵州黎阳航空动力有限公司 | positioning method and positioning block |
| CN112059653A (en) * | 2020-09-15 | 2020-12-11 | 湖北三环锻造有限公司 | Clamp system of steering straight pull rod arm with disc part structure |
| CN113369921A (en) * | 2021-06-21 | 2021-09-10 | 长春中车轨道车辆有限公司 | EMUs axle box node spot facing work frock |
| CN113369921B (en) * | 2021-06-21 | 2022-09-20 | 长春中车轨道车辆有限公司 | EMUs axle box node hole processing frock |
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| CN103692244B (en) | 2017-01-11 |
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