CN113834739B - Mechanical part strength testing device special for petroleum equipment - Google Patents
Mechanical part strength testing device special for petroleum equipment Download PDFInfo
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- CN113834739B CN113834739B CN202111411022.3A CN202111411022A CN113834739B CN 113834739 B CN113834739 B CN 113834739B CN 202111411022 A CN202111411022 A CN 202111411022A CN 113834739 B CN113834739 B CN 113834739B
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- control
- rod
- mechanical part
- conversion
- fixed shell
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
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- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The invention provides a mechanical part strength testing device special for petroleum equipment, which relates to the technical field of mechanical part strength testing, and comprises a conversion testing assembly, wherein a conversion block is inserted in a fixed shell, the conversion testing assembly of the device can test the strength of the mechanical part for resisting instantaneous pressure under the driving of a hydraulic push rod, the conversion testing assembly is more suitable for simulating impact of the mechanical part in use, the testing result is accurate and comprehensive, the strength of the mechanical part for resisting the instantaneous pressure can be freely adjusted, the mechanical part strength testing device can be suitable for testing the instantaneous pressure strength of different mechanical parts, and the adaptability is high. The invention solves the problem that the existing testing device only can gradually increase the pressure acting on the surface of the mechanical part when applying pressure, and can not test the strength of the mechanical part when resisting instantaneous pressure, so that the testing conclusion is incomplete.
Description
Technical Field
The invention relates to the technical field of mechanical part strength testing, in particular to a mechanical part strength testing device special for petroleum equipment.
Background
In oil exploitation, mechanical parts of an exploitation device are often impacted in the transportation, installation and use processes, so that the mechanical parts of the oil exploitation device need to be subjected to strength testing during production, and the strength of the mechanical parts is tested by pressing the mechanical parts down by a hydraulic cylinder at present.
However, as for the existing testing device, the strength of the mechanical part is tested through the hydraulic cylinder, the pressure applied to the surface of the mechanical part can only be gradually increased when the hydraulic cylinder applies pressure, the function is single, the strength of the mechanical part when resisting instantaneous pressure cannot be tested, the testing effect is not comprehensive, if the strength of the mechanical part resisting instantaneous pressure needs to be tested, an additional impact pressure testing device is needed, the testing cost is increased, the mechanical part needs to be transported for many times, and the testing device is troublesome and poor in practicability and flexibility.
Disclosure of Invention
In view of this, the invention provides a mechanical part strength testing device special for petroleum equipment, which is provided with a conversion testing assembly, wherein the conversion testing assembly can test the strength of the mechanical part against instantaneous pressure, the testing strength of the instantaneous pressure can be freely adjusted through an adjusting mechanism, the using and processing strength of the mechanical part can be comprehensively tested, and the use is convenient and flexible.
The invention provides a mechanical part strength testing device special for petroleum equipment, which specifically comprises: the mounting assembly comprises a mounting plate and a hydraulic push rod, the mounting plate is fixedly mounted on a fixed arm of the testing device, and the top of the hydraulic push rod is fixedly mounted at the bottom of the mounting plate; the conversion testing assembly comprises a control mechanism and a positioning mechanism, the control mechanism comprises a fixed shell and a conversion block, two sides of the fixed shell are fixedly arranged at the bottom of the hydraulic push rod, and the conversion block is inserted in the fixed shell; the positioning mechanism comprises a positioning rod and a control rod, the bottom of the control rod is rotatably connected to the top of the positioning rod, the control rod is inserted into the fixed shell, and the control rod is located at the bottom of the conversion block.
Optionally, the conversion test assembly further comprises an adjusting mechanism, the adjusting mechanism is composed of an adjusting rod and a control sheet, the adjusting rod is rotatably connected to the top of the fixed shell, and the control sheet is inserted into the fixed shell.
Optionally, a control groove is formed in the bottom of the fixed shell and is a spiral groove body, a control protrusion is arranged at the bottom of the rod body of the control rod, and the control protrusion is inserted into the control groove.
Optionally, a butt joint groove is formed in the side face of the rod body of the control rod, and a butt joint block is arranged inside the conversion block.
Optionally, an impact top spring is arranged at the top of the conversion block, and two ends of the impact top spring are respectively and fixedly connected to the top of the conversion block and the bottom of the control sheet.
Optionally, the rod body outside of adjusting the pole is equipped with the screw thread, and the inside of control piece is equipped with adjusts the screw hole, adjusts the pole and connects in the inside of adjusting the screw hole through body of rod screw thread.
Optionally, the fixed shell is provided with a track bar inside, and the side surface of the conversion block is provided with a track groove, and the track groove is inserted in the outside of the track bar.
Optionally, the control piece is located at the top of the conversion block, and a positioning groove is formed in the side face of the control piece and is inserted in the outer portion of the track strip.
Optionally, a reset top spring is sleeved outside the rod body of the positioning rod, and two ends of the reset top spring are respectively and fixedly connected to the bottom of the positioning rod and the bottom of the fixed shell.
Advantageous effects
1. When the device is used, the conversion test assembly can test the strength of the mechanical part for resisting the instantaneous pressure under the driving of the hydraulic push rod, the mechanical part is more attached to the simulation impact when the device is used, the test result is accurate and comprehensive, the strength of the mechanical part for resisting the instantaneous pressure can be freely adjusted, the device can be suitable for testing the strength of the different mechanical parts for resisting the instantaneous pressure, and the adaptability is high.
2. The conversion test assembly can release the impact top spring instantly, thereby realizing the purpose of testing the mechanical part to resist the instant pressure strength, when the fixed shell is driven by the hydraulic push rod to move downwards, the butt joint groove and the butt joint block are in a staggered design, thereby the conversion block can be jacked by the control rod to compress and impact the top spring when the fixed shell descends, thereby the impact top spring is compressed and stored energy, the control groove can drive the control rod to rotate through the control protrusion when the fixed shell moves downwards, thereby the butt joint groove and the butt joint block are aligned when the control rod moves to the top of the control groove, at the moment, the impact top spring is instantaneously released to drive the conversion block to fall to impact the control rod, the control rod transmits the impact force to the positioning rod and the tested mechanical assembly, thereby realizing the strength of testing the mechanical part to resist the instant pressure force, the use is flexible, and the operation is simple.
3. The device is after the single test is accomplished, and conversion test subassembly can reset along with hydraulic rod automatically, and when hydraulic rod shifted up when reseing, the locating lever drove the inside realization that the control lever was by the ejecting fixed shell of reset top spring and resets to be prepared for next mechanical parts's impact test, degree of automation is high.
4. The device is adjusted mechanical parts shock test's dynamics accessible adjustment mechanism to make the device can adapt to the intensity of resisting instantaneous pressure to different grade type and specification mechanical parts and test, strong adaptability, when rotating the regulation pole, adjust pole body of rod screw and drive the control piece through adjusting the screw hole and reciprocate and change the position of use, thereby change the initial compression length who strikes the top spring, change the biggest impact dynamics when striking the top spring when compressed promptly, it is convenient nimble to adjust, the step is simple and convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic diagram of the structure of the present invention;
FIG. 2 shows a schematic of the internal structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the conversion testing assembly driven by the hydraulic push rod of the present invention during downward movement for testing;
FIG. 4 is a schematic view of the internal structure of the present invention showing the alignment of the docking bay to the docking block during testing;
FIG. 5 is a schematic diagram showing the internal structure of the present invention after a single test is completed;
FIG. 6 is a schematic view of the internal structure of the conversion test assembly of the present invention after disassembly;
FIG. 7 shows a schematic view of the structure of the bottom of FIG. 6 of the present invention;
FIG. 8 is an enlarged view of portion A of FIG. 2 illustrating the present invention;
FIG. 9 is an enlarged view of the portion B of FIG. 3 according to the present invention;
fig. 10 is an enlarged schematic view of the point C in fig. 4 according to the present invention.
List of reference numerals
1. Mounting the component; 101. mounting a plate; 102. a hydraulic push rod; 2. a control mechanism; 201. fixing the housing; 2011. a control slot; 2012. a track bar; 202. a conversion block; 2021. a butt joint block; 2022. impacting a top spring; 2023. a track groove; 3. a positioning mechanism; 301. positioning a rod; 3011. resetting the top spring; 302. a control lever; 3021. a control projection; 3022. a butt joint groove; 4. an adjustment mechanism; 401. adjusting a rod; 402. a control sheet; 4021. adjusting the threaded hole; 4022. and (6) positioning a groove.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to 10:
the invention provides a mechanical part strength testing device special for petroleum equipment, which comprises: the mounting assembly 1, the mounting assembly 1 includes mounting panel 101 and hydraulic push rod 102, the mounting panel 101 is fixedly mounted on fixed arm of the testing device, and the top of the hydraulic push rod 102 is fixedly mounted on the bottom of the mounting panel 101, the hydraulic push rod 102 is connected with external power supply and controlling device, its concrete structure and working principle are the existing mature technology, do not describe here redundantly; the conversion testing assembly can test the strength of the mechanical part for resisting instantaneous pressure under the driving of the hydraulic push rod 102, is more fit for the simulation impact of the mechanical part in use, and has accurate and comprehensive testing results, the conversion testing assembly comprises a control mechanism 2 and a positioning mechanism 3, the control mechanism 2 comprises a fixed shell 201 and a conversion block 202, two sides of the fixed shell 201 are fixedly arranged at the bottom of the hydraulic push rod 102, and the conversion block 202 is inserted into the fixed shell 201; positioning mechanism 3 is including locating lever 301 and control lever 302, and the bottom of control lever 302 rotates to be connected at the top of locating lever 301, and control lever 302 pegs graft in the inside of fixed shell 201, and control lever 302 is located the bottom of conversion piece 202.
In addition, according to the embodiment of the present invention, as shown in fig. 6, the conversion testing assembly further includes an adjusting mechanism 4, the adjusting mechanism 4 is composed of an adjusting rod 401 and a control plate 402, the adjusting rod 401 is rotatably connected to the top of the fixed housing 201, and the control plate 402 is inserted into the fixed housing 201, in use, the force for impact testing of mechanical parts can be adjusted by the adjusting mechanism 4, so that the device can be adapted to test the strength of mechanical parts with different types and specifications against instantaneous pressure, and is highly adaptable.
In addition, according to the embodiment of the present invention, as shown in fig. 6, a control groove 2011 is arranged at the bottom inside the fixed casing 201, the control groove 2011 is a spiral groove body, a control protrusion 3021 is arranged at the bottom of the rod body of the control rod 302, and the control protrusion 3021 is inserted inside the control groove 2011, so that in use, the control groove 2011 can adjust the use angle of the control rod 302 through the control protrusion 3021.
In addition, according to the embodiment of the present invention, as shown in fig. 6, the top of the conversion block 202 is provided with an impact top spring 2022, and two ends of the impact top spring 2022 are respectively and fixedly connected to the top of the conversion block 202 and the bottom of the control plate 402, in use, the conversion test assembly can instantly release the impact top spring 2022, so as to achieve the purpose of testing the instant pressure strength of the mechanical component, when the fixed casing 201 is driven by the hydraulic push rod 102 to move downwards, the side of the rod body of the control rod 302 is provided with an abutting groove 3022, and the conversion block 202 is internally provided with an abutting block 2021, at this time, the abutting groove 3022 and the abutting block 2021 are in a staggered design, so that the conversion block 202 can be jacked up by the control rod 302 to compress the impact top spring 2022 when the fixed casing 201 moves downwards, so that the control groove 2011 can drive the control rod 302 to rotate by the control protrusion 3021 when the fixed casing 201 moves downwards, so that when the control rod 302 moves to the top of the control groove 2011, the butt joint groove 3022 and the butt joint block 2021 are butt-jointed, at this time, the impact top spring 2022 is instantaneously released to drive the conversion block 202 to fall and impact the control rod 302, and the control rod 302 transmits the impact force to the positioning rod 301 and the tested mechanical assembly, so that the strength of the tested mechanical part for resisting the instantaneous pressure is realized, the use is flexible, and the operation is simple and convenient.
In addition, according to the embodiment of the present invention, as shown in fig. 6, the exterior of the rod body of the adjusting rod 401 is provided with a screw thread, the interior of the control plate 402 is provided with an adjusting screw hole 4021, and the adjusting rod 401 is screwed inside the adjusting screw hole 4021 through the rod body screw thread, in use, when the adjusting rod 401 is rotated, the rod body screw thread of the adjusting rod 401 drives the control plate 402 to move up and down through the adjusting screw hole 4021 to change the use position, so as to change the initial compression length of the impact top spring 2022, i.e., change the maximum impact force when the impact top spring 2022 is compressed, and the adjustment is convenient and flexible, and the steps are simple.
In addition, according to the embodiment of the invention, as shown in fig. 6, a track bar 2012 is arranged inside the fixed housing 201, a track groove 2023 is arranged on a side surface of the conversion block 202, the track groove 2023 is inserted outside the track bar 2012, and in use, the track groove 2023 can limit a moving track of the conversion block 202 through the track bar 2012, so that the conversion block 202 does not skew or twist during moving to cause a phenomenon of device locking failure, and the use is stable.
In addition, according to the embodiment of the invention, as shown in fig. 6, the control sheet 402 is located at the top of the conversion block 202, and the side surface of the control sheet 402 is provided with the positioning groove 4022, the positioning groove 4022 is inserted outside the track bar 2012, and in use, the positioning groove 4022 can position the angle of the control sheet 402 through the track bar 2012, so that the control sheet 402 cannot rotate along with the adjustment rod 401 when the adjustment rod 401 rotates, thereby realizing the function of adjusting the test strength of the device, and the device is stable in use.
In addition, according to the embodiment of the present invention, as shown in fig. 6, a reset top spring 3011 is sleeved outside the rod body of the positioning rod 301, and two ends of the reset top spring 3011 are respectively and fixedly connected to the bottom of the positioning rod 301 and the bottom of the fixed housing 201, in use, after a single test is completed, the conversion test assembly can automatically reset along with the hydraulic push rod 102, when the hydraulic push rod 102 moves upwards to reset, the positioning rod 301 drives the control rod 302 to be pushed out of the fixed housing 201 by the reset top spring 3011 to reset, so as to prepare for the next impact test of the mechanical component, and the automation degree is high.
In another embodiment, the conversion block 202 is fixed inside the fixed housing 201 through a pin rod, so as to fix the use positions of the conversion block 202 and the control rod 302, and the strength of the mechanical part against continuously increased pressure can be tested through downward movement of the hydraulic push rod 102, so that the use is flexible, and the test result is comprehensive.
The specific use mode and function of the embodiment are as follows: in the invention, the testing force of the device is adjusted according to the specification and the type of a mechanical part, the device can be adjusted through an adjusting mechanism 4, when an adjusting rod 401 is rotated, the thread of a rod body of the adjusting rod 401 drives a control sheet 402 to move up and down through an adjusting threaded hole 4021 to change the using position, so that the initial compression length of an impact top spring 2022 is changed, namely the maximum impact force when the impact top spring 2022 is compressed is changed, after the adjustment is finished, the mechanical part to be tested is placed at the bottom of a positioning rod 301, a conversion testing component is driven by a hydraulic push rod 102 to move downwards to compact the bottom of the positioning rod 301 on the testing part of the mechanical part, at the moment, the hydraulic push rod 102 is controlled to continuously move downwards to test the strength of the mechanical part against the instantaneous pressure, the conversion testing component can instantly release the impact top spring 2022, so that the aim of testing the instantaneous pressure strength of the mechanical part is fulfilled, when the fixed shell 201 is driven by the hydraulic push rod 102 to move downwards, the butt-joint groove 3022 and the butt-joint block 2021 are in a staggered design, so that the conversion block 202 can be jacked by the control rod 302 to compress the impact jacking spring 2022 when the fixed shell 201 descends, the control groove 2011 can drive the control rod 302 to rotate through the control protrusion 3021 when the fixed shell 201 moves downwards, so that the butt-joint groove 3022 and the butt-joint block 2021 are aligned when the control rod 302 moves to the top of the control groove 2011, at this time, the impact jacking spring 2022 is released instantaneously to drive the conversion block 202 to fall down to impact the control rod 302, the control rod 302 transmits the impact force to the positioning rod 301 and the tested mechanical assembly, thereby the strength of the tested mechanical assembly against the instantaneous pressure is realized, after a single test is completed, the conversion test assembly can automatically reset along with the hydraulic push rod 102, when the hydraulic push rod 102 moves upwards to reset, the positioning rod 301 drives the control rod 302 to be jacked out of the reset spring 3011 to reset inside the fixed shell 201, to prepare for the next impact test of the mechanical part.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (5)
1. A mechanical part strength testing device special for petroleum equipment is characterized by comprising: the mounting assembly (1) comprises a mounting plate (101) and a hydraulic push rod (102), the mounting plate (101) is fixedly mounted on a fixed arm of the testing device, and the top of the hydraulic push rod (102) is fixedly mounted at the bottom of the mounting plate (101); the conversion testing assembly comprises a control mechanism (2) and a positioning mechanism (3), the control mechanism (2) comprises a fixed shell (201) and a conversion block (202), two sides of the fixed shell (201) are fixedly installed at the bottom of the hydraulic push rod (102), and the conversion block (202) is inserted into the fixed shell (201); the positioning mechanism (3) comprises a positioning rod (301) and a control rod (302), the bottom of the control rod (302) is rotatably connected to the top of the positioning rod (301), the control rod (302) is inserted into the fixed shell (201), and the control rod (302) is located at the bottom of the conversion block (202);
the conversion testing assembly further comprises an adjusting mechanism (4), the adjusting mechanism (4) is composed of an adjusting rod (401) and a control sheet (402), the adjusting rod (401) is rotatably connected to the top of the fixed shell (201), and the control sheet (402) is inserted into the fixed shell (201);
the side surface of the control rod (302) is provided with a butt joint groove (3022), and the interior of the conversion block (202) is provided with a butt joint block (2021);
the top of the conversion block (202) is provided with an impact top spring (2022), and two ends of the impact top spring (2022) are respectively and fixedly connected to the top of the conversion block (202) and the bottom of the control sheet (402);
the inside of fixed shell (201) is equipped with track strip (2012), and the side of conversion piece (202) is equipped with track groove (2023), and track groove (2023) pegs graft in the outside of track strip (2012).
2. The mechanical part strength testing device special for petroleum equipment as claimed in claim 1, characterized in that: the bottom in fixed shell (201) is equipped with control tank (2011), and control tank (2011) is the spiral cell body, and the body of rod bottom of control lever (302) is equipped with control arch (3021), and control arch (3021) pegs graft in the inside of control tank (2011).
3. The mechanical part strength testing device special for petroleum equipment as claimed in claim 1, characterized in that: the outside of the rod body of adjusting pole (401) is equipped with the screw thread, and the inside of controlling piece (402) is equipped with adjusts screw hole (4021), adjusts pole (401) and connects in the inside of adjusting screw hole (4021) through the screw thread of the rod body.
4. The mechanical part strength testing device special for petroleum equipment as claimed in claim 1, characterized in that: the control sheet (402) is positioned at the top of the conversion block (202), a positioning groove (4022) is formed in the side face of the control sheet (402), and the positioning groove (4022) is inserted and connected to the outer portion of the track bar (2012).
5. The mechanical part strength testing device special for petroleum equipment as claimed in claim 1, characterized in that: the outside of the rod body of locating lever (301) has cup jointed reset top spring (3011), and the both ends of resetting top spring (3011) fixed connection respectively are in the bottom of locating lever (301) and the bottom of fixed shell (201).
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CN202111411022.3A CN113834739B (en) | 2021-11-25 | 2021-11-25 | Mechanical part strength testing device special for petroleum equipment |
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CN202111411022.3A CN113834739B (en) | 2021-11-25 | 2021-11-25 | Mechanical part strength testing device special for petroleum equipment |
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CN113834739B true CN113834739B (en) | 2022-02-18 |
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US9719901B2 (en) * | 2014-04-22 | 2017-08-01 | The United States Of America As Represented By The Administrator Of The National Aeronuatics And Space Administration | Impact tester device |
CN207197964U (en) * | 2017-10-03 | 2018-04-06 | 中山德盛塑料有限公司 | A kind of shock machine |
CN109342223A (en) * | 2018-10-29 | 2019-02-15 | 北京科技大学 | A kind of Simple transmitting device for rock impact test |
CN209656469U (en) * | 2018-10-31 | 2019-11-19 | 广东中质检测技术有限公司 | A kind of novel impact testing machine |
CN109682696A (en) * | 2019-02-26 | 2019-04-26 | 中国矿业大学(北京) | A kind of impact test emitter |
CN209910939U (en) * | 2019-06-15 | 2020-01-07 | 广州立讯检测有限公司 | Impact test testing machine for new energy automobile shell |
US11067474B2 (en) * | 2019-07-29 | 2021-07-20 | American Honda Motor Company, Inc. | Methods and systems for controlling impact |
CN210774597U (en) * | 2019-12-16 | 2020-06-16 | 十堰福尔盾科技有限公司 | Impact-resistant detection device for vehicle filter |
CN211347761U (en) * | 2019-12-30 | 2020-08-25 | 东莞市锦辉检测设备制造有限公司 | Impact test box for pressure impact test |
CN111504813A (en) * | 2020-04-23 | 2020-08-07 | 陈辉 | Device and method for testing impact resistance of plastic pipe |
CN112461690A (en) * | 2020-11-16 | 2021-03-09 | 南京蔚进晟贸易有限公司 | Impact experiment table for testing surface strength of mobile phone |
CN112284941B (en) * | 2020-12-24 | 2021-03-12 | 长沙理工大学 | Electromagnetic loading device, multi-angle bidirectional electromagnetic loading test platform and test method |
CN112903491A (en) * | 2021-03-25 | 2021-06-04 | 贵州中建建筑科研设计院有限公司 | Building material detects with shock-resistant test device |
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