CN113882871A - Stride firm support frame of thing formula operation - Google Patents
Stride firm support frame of thing formula operation Download PDFInfo
- Publication number
- CN113882871A CN113882871A CN202111220901.8A CN202111220901A CN113882871A CN 113882871 A CN113882871 A CN 113882871A CN 202111220901 A CN202111220901 A CN 202111220901A CN 113882871 A CN113882871 A CN 113882871A
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- Prior art keywords
- supporting platform
- platform
- support frame
- gear
- dull
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
- E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws
Abstract
The invention relates to a cross-object type operation stable support frame which comprises a crawler type vehicle body, a rotating platform, at least two hydraulic cylinders, at least two pulling devices and a movable support platform, wherein the rotating platform is fixed at the upper end of the crawler type vehicle body, the hydraulic cylinders are fixed between the rotating platform and the flat plate support platform, the pulling devices are arranged on the right side of the top surface of the flat plate support platform, the movable support platform is hinged on the right side of the flat plate support platform, and the pulling devices are connected with the movable support platform and control the pulling and the putting down of the movable support platform. The movable supporting device not only solves the problem of inconvenient movement, but also solves the problem of inconvenient adjustment of the angle of the cross-object operation platform, enlarges the application range, can be suitable for stably supporting various roadways or mines, reduces the probability of safety accidents, ensures the personal safety of constructors, and is simple to operate and convenient to use.
Description
Technical Field
The invention relates to the technical field of coal mine mechanical equipment, in particular to a span-object type operation stable support frame.
Background
Coal mine tunnels are tunnels for underground mining lifting, transportation, ventilation, drainage, power supply and the like, and can be divided into development tunnels, preparation tunnels, stope tunnels, vertical tunnels, horizontal tunnels and inclined tunnels according to the application and service range. Under the general condition, the space in a coal mine tunnel is narrow, in a limited tunnel space, the object spanning work is often needed when the engineering operation is carried out on the coal mine tunnel, and a support is usually built in a common mode. By adopting the mode, a lot of time is consumed when the building and the dismounting are carried out, the working efficiency is seriously influenced, and the labor cost is increased.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a stable support frame for object-spanning operation, which is used for carrying out object-spanning operation on a coal mine tunnel, can change the operation position of an operation platform according to the height difference of the coal mine tunnel, increases the operation range and realizes omnibearing operation.
The invention aims to provide a stable support frame for object-spanning operation, which can improve the working efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a cross-object type operation stabilizing support frame which comprises a crawler type vehicle body, a rotating platform, at least two hydraulic cylinders, a flat plate supporting platform, at least two pulling-up devices and a movable supporting platform, wherein the rotating platform is fixed at the upper end of the crawler type vehicle body, the hydraulic cylinders are fixed between the rotating platform and the flat plate supporting platform, the pulling-up devices are arranged on the right side of the top surface of the flat plate supporting platform, the movable supporting platform is hinged on the right side of the flat plate supporting platform, and the pulling-up devices are connected with the movable supporting platform and control the pulling-up and the putting-down of the movable supporting platform.
Preferably, the movable supporting platform comprises a first supporting plate hinged to the left side of the flat supporting platform, a second supporting plate located on the right side of the first supporting plate, and a plurality of rotating devices connected between the first supporting plate and the second supporting plate.
Preferably, rotating device includes first gear, second gear, L shape connecting plate, dwang, first gear is installed through first fixed axle first backup pad side, the second gear is installed through the second fixed axle second backup pad side, first gear with the second gear meshes mutually, the right angle department cover of L shape connecting plate is in on the first fixed axle, the pot head of L shape connecting plate is in on the second fixed axle, dwang one end articulates dull and stereotyped supporting platform right side and the other end articulates keep away from on the L shape connecting plate the one end of second fixed axle.
Preferably, the pulling device comprises a supporting rod, a motor, a pulley and a pull rope, the supporting rod and the motor are arranged on the top surface of the flat supporting platform, the motor is arranged on the left side of the supporting rod, a scroll is arranged on an output shaft of the motor, and one end of the pull rope is fixedly connected with the scroll and the other end of the pull rope is connected with the movable supporting platform.
Preferably, electric telescopic handle is fixedly arranged on the left side of the top surface of the flat plate supporting platform, and a stabilizing mechanism is arranged at the upper end of the electric telescopic handle.
Preferably, the stabilizing mechanism comprises a flat plate and a plurality of bumps on the flat plate.
Preferably, a cab is arranged on the rotating platform.
Preferably, the flat plate supporting platform and the movable supporting platform are provided with an operation guardrail and protective doors arranged on two sides of the operation guardrail.
Compared with the prior art, the invention has the beneficial effects that:
1. through the matching between the rotating mechanism and the crawler-type vehicle body, the problem of inconvenient movement is solved, and meanwhile, the problem of inconvenient rotation according to requirements is also solved, so that the flexibility is greatly improved;
2. the lifting device can lift and put down the movable supporting device, so that the storage space of the device is saved;
3. the height of the supporting platform can be adjusted according to the height of the roadway to adapt to different roadway requirements, so that the construction of workers is greatly facilitated, the labor intensity is reduced, and the operation efficiency is high;
4. the top surface of flat supporting platform sets up electric telescopic handle and stabilizing mean, and stabilizing mean can withstand the top surface in tunnel, makes this device remain stable, has increased staff's security.
In conclusion, the invention not only solves the problem of inconvenient movement, but also solves the problem of inconvenient angle adjustment of the object-crossing operation platform, enlarges the application range, can be suitable for the problem of stable supporting operation of various roadways or mines, reduces the probability of safety accidents, ensures the personal safety of constructors, and has simple operation and convenient use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention with the first support plate and the second support plate in horizontal positions;
FIG. 3 is an enlarged view of the point A in FIG. 2;
FIG. 4 is a schematic view of the structure of the pulling device of the present invention;
FIG. 5 is a schematic top view of the structure of FIG. 2;
in the drawings: 1. a crawler body; 2. a hydraulic cylinder; 3. a flat plate support platform; 4. rotating the platform; 5. a movable support platform; 6. a pulling-up device; 7. a rotating device; 8. pulling a rope; 9. a support bar; 10. a pulley; 11. a motor; 12. a reel; 13. an electric telescopic rod; 14. a first support plate; 15. a second support plate; 16. a first fixed shaft; 17. a second fixed shaft; 18. a first gear; 19. a second gear; 20. rotating the rod; 21. an L-shaped connecting plate; 22. a cab; 23. a stabilizing mechanism; 24. and (4) bumps.
Detailed Description
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.
Referring to fig. 1-5, a cross-object type work stabilizing support frame comprises a crawler-type vehicle body 1, a rotary platform 4, at least two hydraulic cylinders 2, a flat plate supporting platform 3, at least two pulling-up devices 6 and a movable supporting platform 5, wherein the rotary platform 4 is fixed at the upper end of the crawler-type vehicle body, the hydraulic cylinders 2 are fixed between the rotary platform 4 and the flat plate supporting platform 3, the pulling-up devices 6 are arranged on the right side of the top surface of the flat plate supporting platform 3, the movable supporting platform 5 is hinged on the right side of the flat plate supporting platform 3, and the pulling-up devices 6 are connected with the movable supporting platform 5 and control the movable supporting platform 5 to be pulled up and put down.
Adopt above-mentioned technical scheme, crawler-type automobile body 1 can remove in the tunnel, adaptable different road surface condition, rotary platform 4 can make dull and stereotyped supporting platform 3 and activity supporting platform 5 rotate, thereby enlarge workman's working range, pneumatic cylinder 2 can drive dull and stereotyped supporting platform 3 and activity supporting platform 5 and reciprocate, dull and stereotyped supporting platform 3 and activity supporting platform 5 can carry people, pull-up device 6 can be pulled up and put down activity supporting platform 5, the staff can carry out the operation of striding the thing on the activity supporting platform 5 that expandes.
The rotary platform 4 belongs to the prior art, and the description of the embodiment is omitted.
Referring to fig. 1-2, in the present embodiment, the apparatus is provided with 4 hydraulic cylinders 2, and the platform supporting platform is moved up and down by controlling the 4 hydraulic cylinders 2. It will be appreciated that the number of hydraulic cylinders 2 is not particularly limited as long as the platform support platform is maintained stable, and in other embodiments, the number of hydraulic cylinders 2 may be 3, 5, 6, 7, 8, 10.
Further, referring to fig. 2-3, the movable supporting platform 5 includes a first supporting plate 14 hinged to the left side of the flat supporting platform 3 at the left end, a second supporting plate 15 located at the right side of the first supporting plate 14, and a plurality of rotating devices 7 connected between the first supporting plate 14 and the second supporting plate 15.
Specifically, referring to fig. 5, the first supporting plate 14 and the second supporting plate 15 have the same width, and the widths of the first supporting plate 14 and the second supporting plate 15 are both smaller than the width of the flat supporting platform 3.
Further, referring to fig. 1-3, the rotating device 7 includes a first gear 18, a second gear 19, an L-shaped connecting plate 21, and a rotating rod 20, the first gear 18 is mounted on the side of the first supporting plate 14 through a first fixing shaft 16, the second gear 19 is mounted on the side of the second supporting plate 15 through a second fixing shaft 17, the first gear 18 is engaged with the second gear 19, the right angle of the L-shaped connecting plate 21 is sleeved on the first fixing shaft 16, one end of the L-shaped connecting plate 21 is sleeved on the second fixing shaft 17, one end of the rotating rod 20 is hinged on the right side of the flat supporting platform 3, and the other end of the rotating rod 20 is hinged on the end of the L-shaped connecting plate 21 away from the second fixing shaft 17.
When the support plate 14 rotates downward, the first gear 18 is engaged with the second gear 19, and the L-shaped connecting plate 21 rotates around the first fixed shaft 16, so that the first support plate 14 and the second support plate 15 are horizontally coplanar.
Further, referring to fig. 1 and 4, the pulling-up device 6 includes a support rod 9, a motor 11, a pulley 10, and a pull rope 8, the support rod 9 and the motor 11 are disposed on the top surface of the flat plate supporting platform 3, the motor 11 is disposed on the left side of the support rod 9, the reel 7 is disposed on the output shaft of the motor, one end of the pull rope 8 is fixedly connected with the reel 7, and the other end is connected with the movable supporting platform 5. The reel 7 winds the pull rope 8, so that the movable supporting platform 5 can be pulled up and put down.
Further, the top surface left side of dull and stereotyped supporting platform 3 is fixed and is set up electric telescopic handle 13, and electric telescopic handle 13's upper end sets up firm mechanism 23. Electric telescopic handle 13 can make stabilizing mean 23 reciprocate, and stabilizing mean 23 can withstand the top surface in tunnel, makes crawler-type automobile body 1 remain stable, has increased staff's security.
Further, referring to fig. 1, fig. 2, and fig. 5, the fixing mechanism 23 includes a flat plate and a plurality of bumps 24 on the flat plate. The salient points 24 can increase the friction force between the stabilizing mechanism 23 and the roadway top, and improve the stability of the device.
In this embodiment, the cab 22 is disposed on the rotary platform 4, so that a driver can operate the crawler-type vehicle body in the cab 22 conveniently, and then the crawler-type vehicle body can be moved conveniently.
Further, in order to ensure the safety of the operator, an operation guardrail (not shown in the figure) and protection doors (not shown in the figure) arranged on two sides of the operation guardrail are arranged on the flat supporting platform 3 and the movable supporting platform 5.
Further, the number of the pulling-up means 6 corresponds to the number of the rotating means 7. For example, in the embodiment, there are 2 pulling devices 6 and two corresponding rotating devices 7. Specifically, the number of the support rods 9, the motor 11, the pulleys 10 and the pull ropes 8 is 2, and the number of the first gears 18, the second gears 19, the L-shaped connecting plates 21 and the rotating rods 20 is 2.
In this embodiment, the motor 11, the hydraulic cylinder 2 and the electric telescopic rod 13 are controlled by a PLC, and the PLC is S7-400 in model number.
The use mode of the invention is as follows:
when using, the driver operates in driver's cabin 22, make 1 shift position of crawler-type automobile body, after removing suitable position, when need carrying out stable support to different angles, rotary platform 4 drives dull and stereotyped supporting platform 3 and activity supporting platform 5 and rotates, when rotatory suitable position, through PLC control hydraulic cylinder 2's height, readjust electric telescopic handle 13, make the top in 23 tight roadways in firm mechanism top, and then make supporting platform 3 and crawler-type automobile body 1 remain stable. Through PLC control motor 11, make stay cord 8 extension, when first backup pad 14 rotated clockwise owing to receiving gravity, L shape connecting plate 21 was rotatory around first fixed axle 16, and first gear 18 meshes with second gear 19 mutually, and then makes first backup pad 14 and 15 level coplanarities of second backup pad, makes things convenient for constructor to be under construction, and then reaches the purpose of striding the thing operation. After the operation is accomplished, through PLC control motor 11, make stay cord 8 draw in, first backup pad 14 is when anticlockwise rotating owing to the effect that receives the stay cord, L shape connecting plate 21 is rotatory around first fixed axle 16, first gear 18 meshes with second gear 19 mutually, and then make first backup pad 14 and second backup pad 15 fold, then through PLC control hydraulic cylinder 2's height, readjust electric telescopic handle 13, make firm mechanism 23 break away from the top in tunnel, crawler-type automobile body 1 can continue to move other positions.
According to the crawler-type vehicle body, the problem of inconvenient movement is solved through the matching of the rotating mechanism and the crawler-type vehicle body, and meanwhile, the problem of inconvenient rotation according to requirements is also solved, so that the flexibility is greatly improved; the lifting device can lift and put down the movable supporting device, so that the storage space of the device is saved; the height of the supporting platform can be adjusted according to the height of the roadway to adapt to different roadway requirements, so that the construction of workers is greatly facilitated, the labor intensity is reduced, and the operation efficiency is high; the top surface of flat supporting platform sets up electric telescopic handle and stabilizing mean, and stabilizing mean can withstand the top surface in tunnel, makes this device remain stable, has increased staff's security. The invention not only solves the problem of inconvenient movement, but also solves the problem of inconvenient adjustment of the angle of the object-crossing operation platform, enlarges the application range, can be suitable for stably supporting various roadways or mines, reduces the probability of safety accidents, ensures the personal safety of constructors, and has simple operation and convenient use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a stride firm support frame of thing formula operation which characterized in that: including crawler-type automobile body (1), rotary platform (4), two at least pneumatic cylinders (2), dull and stereotyped supporting platform (3), two at least pull-up device (6), activity supporting platform (5), the upper end of crawler-type automobile body is fixed with rotary platform (4), pneumatic cylinder (2) are fixed rotary platform (4) with between dull and stereotyped supporting platform (3), pull-up device (6) set up the top surface right side of dull and stereotyped supporting platform (3), activity supporting platform (5) articulate the right side of dull and stereotyped supporting platform (3), pull-up device (6) and connect activity supporting platform (5) and control pull-up and putting down of activity supporting platform (5).
2. The straddle type work stabilizing support frame of claim 1, wherein: activity supporting platform (5) include the left end with dull and stereotyped supporting platform (3) left side hinge first backup pad (14), be located second backup pad (15) on first backup pad (14) right side, connect first backup pad (14) with a plurality of rotating device (7) between second backup pad (15).
3. The straddle type work stabilizing support frame of claim 2, wherein: rotating device (7) include first gear (18), second gear (19), L shape connecting plate (21), dwang (20), first gear (18) are installed through first fixed axle (16) first backup pad (14) side, second gear (19) are installed through second fixed axle (17) second backup pad (15) side, first gear (18) with second gear (19) mesh mutually, the right angle department cover of L shape connecting plate (21) is in on first fixed axle (16), the pot head of L shape connecting plate (21) is in on second fixed axle (17), dwang (20) one end articulates dull and stereotyped supporting platform (3) right side and other end articulate keep away from on L shape connecting plate (21) the one end of second fixed axle (17).
4. The straddle type work stabilizing support frame of claim 1, wherein: the pulling-up device (6) comprises a supporting rod (9), a motor (11), a pulley (10) and a pull rope (8), the supporting rod (9) and the motor (11) are arranged on the top surface of the flat supporting platform (3), the motor (11) is arranged on the left side of the supporting rod (9), a reel (7) is arranged on an output shaft of the motor (11), one end of the pull rope (8) is fixedly connected with the reel (7) and the other end of the pull rope is connected with the movable supporting platform (5).
5. The straddle type work stabilizing support frame of claim 1, wherein: the top surface left side of dull and stereotyped supporting platform (3) is fixed and is set up electric telescopic handle (13), electric telescopic handle's (13) upper end sets up stabilizing mean (23).
6. The straddle type work stabilizing support frame of claim 5, wherein: the stabilizing mechanism (23) comprises a flat plate and a plurality of salient points (24) on the flat plate.
7. The straddle type work stabilizing support frame of claim 1, wherein: and a cab (22) is arranged on the rotating platform (4).
8. The straddle type work stabilizing support frame of claim 1, wherein: the flat plate supporting platform (3) and the movable supporting platform (5) are provided with operation guardrails and protective doors arranged on two sides of the operation guardrails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220901.8A CN113882871A (en) | 2021-10-20 | 2021-10-20 | Stride firm support frame of thing formula operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220901.8A CN113882871A (en) | 2021-10-20 | 2021-10-20 | Stride firm support frame of thing formula operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113882871A true CN113882871A (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111220901.8A Pending CN113882871A (en) | 2021-10-20 | 2021-10-20 | Stride firm support frame of thing formula operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113882871A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117702741A (en) * | 2024-02-05 | 2024-03-15 | 山西路桥第六工程有限公司 | Novel multifunctional pile foundation construction operation platform |
| CN117702741B (en) * | 2024-02-05 | 2024-04-23 | 山西路桥第六工程有限公司 | Novel multifunctional pile foundation construction operation platform |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1656437A (en) * | 2002-06-04 | 2005-08-17 | 兄弟工业株式会社 | Foldable keyboard |
| CN105863510A (en) * | 2016-06-07 | 2016-08-17 | 陶德明 | Platform drilling machine for dead-corner-free construction of tunnel |
| CN109469308A (en) * | 2018-10-26 | 2019-03-15 | 何嘉文 | The structure of major diameter group storehouse support platform |
| CN110009970A (en) * | 2019-04-17 | 2019-07-12 | 齐鲁师范学院 | A kind of multifunctional learning display board |
| CN111483382A (en) * | 2019-01-28 | 2020-08-04 | 姚爱军 | Delivery transfer trolley for transporting express delivery vehicle and delivery mode |
| CN212642729U (en) * | 2020-07-23 | 2021-03-02 | 河南铁福来装备制造股份有限公司 | Drilling operation machine with adjustable go up and down with tunnel support function |
| CN213743298U (en) * | 2020-12-24 | 2021-07-20 | 曹西强 | Pipe column moving device for offshore drilling platform |
-
2021
- 2021-10-20 CN CN202111220901.8A patent/CN113882871A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1656437A (en) * | 2002-06-04 | 2005-08-17 | 兄弟工业株式会社 | Foldable keyboard |
| CN105863510A (en) * | 2016-06-07 | 2016-08-17 | 陶德明 | Platform drilling machine for dead-corner-free construction of tunnel |
| CN109469308A (en) * | 2018-10-26 | 2019-03-15 | 何嘉文 | The structure of major diameter group storehouse support platform |
| CN111483382A (en) * | 2019-01-28 | 2020-08-04 | 姚爱军 | Delivery transfer trolley for transporting express delivery vehicle and delivery mode |
| CN110009970A (en) * | 2019-04-17 | 2019-07-12 | 齐鲁师范学院 | A kind of multifunctional learning display board |
| CN212642729U (en) * | 2020-07-23 | 2021-03-02 | 河南铁福来装备制造股份有限公司 | Drilling operation machine with adjustable go up and down with tunnel support function |
| CN213743298U (en) * | 2020-12-24 | 2021-07-20 | 曹西强 | Pipe column moving device for offshore drilling platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117702741A (en) * | 2024-02-05 | 2024-03-15 | 山西路桥第六工程有限公司 | Novel multifunctional pile foundation construction operation platform |
| CN117702741B (en) * | 2024-02-05 | 2024-04-23 | 山西路桥第六工程有限公司 | Novel multifunctional pile foundation construction operation platform |
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