CN209907213U - Large-span front support point guy cable hanging basket - Google Patents
Large-span front support point guy cable hanging basket Download PDFInfo
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- CN209907213U CN209907213U CN201920366305.2U CN201920366305U CN209907213U CN 209907213 U CN209907213 U CN 209907213U CN 201920366305 U CN201920366305 U CN 201920366305U CN 209907213 U CN209907213 U CN 209907213U
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- back shaft
- gyro wheel
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Abstract
The utility model relates to a basket is hung to long-span fore-stock guy cable, including main longitudinal beam and secondary longitudinal beam, hang the afterbody of basket and install the back shaft, the back shaft rotates with hanging the basket to be connected, rotates on the back shaft to be connected with wheel components, is provided with the retaining member that is used for locking back shaft and hangs the basket on hanging the basket, and the bottom surface of bridge is sunken to have a groove, and the back shaft rotates to align with a groove, and the back shaft stretches into a inslot, and wheel components supports tightly with a groove. The roller components roll along the bottom surface of the hanging basket in the moving process of the hanging basket. The rolling force is arranged between the hanging basket and the bottom surface of the bridge through the roller assemblies, the overturning resistance of the hanging basket is increased, and the hanging basket can move stably.
Description
Technical Field
The utility model belongs to the technical field of the technique of hanging the basket and specifically relates to a basket is hung to long-span fore-stock stay cord.
Background
At present, large-span rigid frame bridges and cable-stayed bridges are increasingly widely applied, and accordingly the use of the hanging baskets is more and more frequent, the structural forms of the hanging baskets are more and more, and the hanging baskets are continuously developed towards the directions of practicality and convenience. The stay cable hanging basket is mainly used for construction of a main beam of a prestressed concrete cable-stayed bridge, and is construction equipment which utilizes a stay cable of a beam section to be cast as a front fulcrum of the hanging basket to provide supporting force, anchors the rear end of the hanging basket at the cast beam section, bears the self weight and construction load of a beam body and can move forwards section by section.
When laying, the slide rail is generally installed in both sides on the bridge floor of having pour to current bridge, and the bottom surface of bridge spanes the bridge and installs and hang the basket, and the both sides of hanging basket width direction all are fixed with the hangers, hangers and slide rail sliding connection, run through the bridge on the bridge and install the jib, hang the basket and pass through jib and bridge detachable fixed connection, install the elevating gear who is used for going up and down to hang the basket on the bridge, are equipped with the thrust unit who is used for promoting to hang the basket on the slide rail.
At the in-process of laying the bridge, hang the basket and include two main longitudinal griders and a plurality of time longerons, two main longitudinal griders and a plurality of time longerons are parallel to each other and place, and two main longitudinal griders are placed in the side department that is close to the bridge, and the hangers of fixedly connected with C shape on the main longitudinal grider, the direction of buckling of the hangers on two main longitudinal griders is relative, and the front end of two main longitudinal griders is fixed with the arc head. After finishing pouring at the present section bridge, pull down the jib, use elevating gear to descend and the bridge floor separation of hanging the basket, and simultaneously, hangers and slide rail contact, the place ahead that uses thrust unit to lay toward the bridge promotes the hangers, make the basket move along the slide rail, make the front end of hanging the basket stretch out the bridge terminal surface, start elevating gear will hang the basket and rise, make the rear end of hanging the basket and the bottom surface laminating of bridge, then it is fixed with the bridge of pouring to reuse the jib, then alright build at hanging basket extension bridge part, use the anchor device to fix the front end at hanging the basket temporarily with the suspension cable simultaneously, pour work, after this section bridge solidifies, again will hang the basket and promote toward the direction of laying of bridge, work more than the repetition, until pouring finishes.
The above prior art solutions have the following drawbacks: because of the bottom surface separation of hanging basket and bridge, the arc head is located the front end of hanging the basket in addition for it is heavier to hang the basket front end, hangs the basket at the in-process that removes, and the problem of toppling before appearing easily is unfavorable for hanging the steady removal of basket, needs to improve this.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a basket is hung to long-span front support point guy cable, has to hang the basket and removes stable advantage.
The above object of the present invention can be achieved by the following technical solutions:
basket is hung to pivot guy cable before large-span, including main longeron and secondary longeron, its characterized in that: hang the afterbody of basket and install the back shaft, the back shaft with hang the basket and rotate and connect, it is connected with wheel components to rotate on the back shaft, it is used for locking to be provided with on the basket hang the back shaft with hang the retaining member of basket, the bottom surface of bridge is sunken to have a top groove, the back shaft
When the roller assembly rotates to be aligned with the top groove, the supporting shaft extends into the top groove, and the roller assembly is tightly abutted to the top groove.
Through adopting above-mentioned technical scheme, through with the unblock piece unblock when removing string basket, use the jack to exert the motive force for the back shaft and promote the back shaft for the back shaft rotates around the junction of back shaft and string basket, and until wheel components stretch into the apical trough in with the apical trough butt, use the retaining member with back shaft and string basket locking, then take off the jack from hanging the basket, the bottom surface of hanging the basket this moment is laminated with the bottom surface of bridge. Through the butt effect of wheel components to the top groove for hang the basket when pouring, reduce rocking of hanging basket circumference, increased the stability of hanging the basket, made things convenient for going on of pouring work. When the basket is removed to needs, hang the bottom surface separation of basket and bridge, resume original state with wheel components, then misplace wheel components and top groove subassembly, reuse jack props up the back shaft for wheel components and the bottom surface butt of bridge, then with retaining member with back shaft and basket locking, then alright removal string basket, wheel components rolls along the bottom surface of hanging the basket at the in-process that string basket removed. The rolling force is arranged between the hanging basket and the bottom surface of the bridge through the roller assemblies, the overturning resistance of the hanging basket is increased, and the hanging basket can move stably.
The utility model discloses further set up to: the roller component comprises an active roller and a passive roller, a connecting rod is connected between the active roller and the passive roller, the number of the supporting shafts is two, one ends of the two supporting shafts are fixedly connected, the other end of one supporting shaft is rotatably connected with the rotating shaft of the active roller, the other end of the other supporting shaft is rotatably connected with the rotating shaft of the passive roller, the length of the supporting shaft connected with the active roller is larger than that of the supporting shaft connected with the passive roller, and the connecting rod and the two supporting shafts are in the same plane.
Through adopting above-mentioned technical scheme, be in the coplanar through initiative gyro wheel and driven gyro wheel, when hanging the basket static simultaneously with the butt in apical trough, perhaps with bridge bottom surface roll connection when hanging the basket and removing, form stable triangle-shaped bearing structure between two spinal branch axles and the connecting rod, be difficult for taking place the rupture between connecting rod and the back shaft, the back shaft is to the stable holding power that provides of initiative gyro wheel and driven gyro wheel, and two gyro wheels can bear bigger pressure, initiative gyro wheel and driven gyro wheel are difficult to be crushed.
The utility model discloses further set up to: every the tail end of inferior longeron all caves in the recess, all be located when back shaft and passive gyro wheel are quiet put in the recess, the initiative gyro wheel with passive gyro wheel all with the recess swing joint, when with the bracing piece of the connection of passive gyro wheel is vertical, passive gyro wheel with passive gyro wheel all stretches out the recess.
By adopting the technical scheme, when the roller assembly is not used, the driven roller and the supporting shaft are placed in the groove, so that the hanging basket is not easily damaged in the state conversion process; simultaneously, the recess can be used for accomodating wheel components temporarily, then when needs prop up the back shaft, can place the jack in the recess, makes things convenient for the jack to jack up back shaft and wheel components.
The utility model discloses further set up to: every recess on the time longeron is provided with two, every all be provided with wheel components in the recess.
By adopting the technical scheme, the bearing capacity of the roller assemblies is increased by increasing the number of the roller assemblies, so that the roller assemblies are not easily damaged in the rolling process, and the service lives of the roller assemblies are prolonged; moreover, the contact area between the rolling assemblies and the top groove can be increased through the two sets of roller assemblies, so that the roller assemblies can be more tightly abutted to the top groove, or the balance between the rolling assemblies and the bottom surface of the bridge during rolling is increased, and the hanging basket can move forwards more stably.
The utility model discloses further set up to: the locking piece is a locking rod, a through hole penetrates through the tail end of the secondary longitudinal beam, the locking rod penetrates through the through hole, and when the locking rod penetrates through the through hole, the locking rod is abutted to the support shaft.
Through adopting above-mentioned technical scheme, wear into the effect to the back shaft butt with the initiative gyro wheel from the through-hole through the locking lever for the roller components can keep the state with bridge bottom surface or top groove butt. When the roller assembly needs to be placed in the groove, the locking rod is taken down from the through hole and then abuts against the supporting shaft connected with the driven roller, so that the roller assembly can be stored in the groove, and the roller assembly is not prone to random shaking.
The utility model discloses further set up to: the top groove is internally provided with a top block, the top block is in sliding connection with the sliding groove, and when the top block is completely inserted into the top groove, the groove depth of the top groove is larger than the height of the top block.
Through adopting above-mentioned technical scheme, promote the back shaft of being connected with the initiative gyro wheel, be connected with the connecting rod because of between initiative gyro wheel and the passive gyro wheel, thereby make the passive gyro wheel promoted by the initiative gyro wheel, and simultaneously, the length of the back shaft of being connected with the initiative gyro wheel is greater than the length of the back shaft of being connected with the passive gyro wheel, make when promoting the back shaft of being connected with the initiative gyro wheel, passive gyro wheel contacts with the kicking block earlier, promotes the cell wall direction of kicking block toward the kicking block, then the initiative gyro wheel contacts with the kicking block again, the initiative gyro wheel is in same horizontal plane with passive. Through the arrangement, the friction force between the roller assembly and the top block during swinging is reduced, the abrasion of the top block and the rolling member is reduced, and the roller assembly is convenient to turn. The roller assembly is tightly abutted to the top block, and when the roller assembly shakes, the side edge of the top groove has a limiting effect on the supporting shaft, so that the shaking of the supporting shaft is reduced; meanwhile, the abrasion between the roller components and the jacking blocks is smaller than that between the roller components and the bridge deck, so that the friction between the roller components and the jacking grooves is reduced, and the damage to the bridge is further reduced.
The utility model discloses further set up to: the top block and the top groove are detachably connected.
Through adopting above-mentioned technical scheme, will hang after the basket moves the next section of pouring, will take the kicking block and place next apical groove in and continue to use, the cyclic utilization of kicking block has reduced the waste of resource, has saved the cost of engineering.
The utility model discloses further set up to: the connecting rod and the supporting shaft are rigid.
Through adopting above-mentioned technical scheme, through the rigid nature of connecting rod and back shaft for connecting rod and back shaft have certain bending resistance, when wheel components and kicking block butt, perhaps passive gyro wheel and driven gyro wheel roll in the bridge bottom surface, back shaft and connecting rod are difficult for being broken, and the back shaft is good to passive gyro wheel and driven gyro wheel's support effect.
To sum up, the utility model discloses a beneficial technological effect does:
1. the roller components roll along the bottom surface of the hanging basket in the moving process of the hanging basket. The rolling force is arranged between the hanging basket and the bottom surface of the bridge through the roller assemblies, so that the anti-overturning force of the hanging basket is increased, and the hanging basket can stably move;
2. the driving idler wheel and the driven idler wheel are positioned on the same horizontal plane, and are abutted against the top groove when the hanging basket is static or are in rolling connection with the bottom surface of the bridge when the hanging basket moves, a stable triangular supporting structure is formed between the two supporting shafts and the connecting rods, the connecting rods and the supporting shafts are not easy to break, and the supporting shafts provide stable supporting force for the driving idler wheel and the driven idler wheel;
3. when the roller assembly is not used, the driven roller and the support shaft are placed in the groove, so that the hanging basket is not easily damaged in the state conversion process; meanwhile, the groove can be used for temporarily storing the roller assembly, and then when the supporting shaft needs to be supported, the jack can be placed in the groove, so that the supporting shaft and the roller assembly can be conveniently jacked by the jack;
4. the bearing capacity of the roller assemblies is increased by increasing the number of the roller assemblies, so that the roller assemblies are not easily damaged in the rolling process, and the service lives of the roller assemblies are prolonged;
5. the roller component can keep a state of being abutted with the bottom surface or the top groove of the bridge through the action of the locking rod penetrating from the through hole to abut against the supporting shaft of the driving roller;
6. after the hanging basket is moved to the next pouring section, the ejector block is taken and placed in the next ejector groove to be continuously used, the ejector block is recycled, the waste of resources is reduced, and the cost of engineering is saved.
Drawings
FIG. 1 is a schematic view of the rolling assembly of the present embodiment abutting against the bottom of a bridge;
fig. 2 is an enlarged schematic view of a in fig. 1.
In the figure, 1, a main longitudinal beam; 2. a secondary stringer; 3. a support shaft; 4. a roller assembly; 5. a top groove; 6. a top block; 7. a groove; 41. a driving roller; 42. a passive roller; 8. a connecting rod; 9. a locking lever; 10. a through hole; 11. and (5) hanging a basket.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a basket 11 is hung to long-span fore-stock guy cable, including main longitudinal beam 1 and secondary longeron 2, hang the afterbody of basket 11 and install back shaft 3, back shaft 3 rotates with hanging basket 11 to be connected, rotates on the back shaft 3 and is connected with wheel components 4, is provided with the retaining member that is used for locking wheel components 4 and hangs basket 11 on hanging basket 11, and the bottom surface of bridge is sunken to have top groove 5, and when back shaft 3 rotated to align with top groove 5, back shaft 3 stretched into in the top groove 5, wheel components 4 and top groove 5 butt.
The top groove 5 is rectangular, a rigid rectangular top block 6 is movably connected in the top groove 5, and the top block 6 is detachably connected with the top groove 5.
The side of kicking block 6 and the cell wall clearance fit of kicking groove 5, kicking block 6 and kicking groove 5 sliding connection, when kicking block 6 inserted the kicking groove 5 completely in, the degree of depth of kicking groove 5 was greater than the height of kicking block 6.
Mutual balance is placed between main longitudinal beam 1 and the time longeron 2, and the length direction of main longitudinal beam 1 is unanimous with the direction of laying of bridge, and main longitudinal beam 1 has two, and time longeron 2 has two, and two time longerons 2 are adjacent to be placed, and two main longitudinal beams 1 are placed in the both sides of two time longerons 2, and wheel components 4 are all installed to every end of time longeron 2.
The top surface and the side surface of the tail end of each secondary longitudinal beam 2 are sunken and run through to form a groove 7 with a 7-shaped section, the roller assemblies 4 are installed in the grooves 7, and the roller assemblies 4 are connected with the grooves 7 in a swinging mode.
In this embodiment, each secondary longitudinal beam 2 is recessed with two grooves 7, and the roller assemblies 4 are placed in each groove 7.
The roller component 4 comprises an active roller 41 and a passive roller 42, a rigid connecting rod 8 is connected between the active roller 41 and the passive roller 42, the active roller 41 and the passive roller 42 are both rotatably connected with the connecting rod 8, the two support shafts 3 are provided, one ends of the two support shafts 3 are fixedly connected and then rotatably connected with the groove 7, the other end of one support shaft 3 is rotatably connected with the rotating shaft of the active roller 41, and the other end of the other support shaft 3 is rotatably connected with the rotating shaft of the passive roller 42.
The length of the supporting shaft 3 rotatably connected with the driving roller 41 is greater than that of the supporting shaft 3 connected with the driven roller 42, and the connecting rod 8 is positioned on the same plane as the two supporting shafts 3.
The retaining member is locking lever 9, the lateral wall of two recesses 7 link up and is formed with through-hole 10, locking lever 9 wears on through-hole 10, when locking lever 9 with connect the back shaft 3 butt of passive gyro wheel 42, active gyro wheel 41 stretches out outside recess 7 from the opening part of secondary longitudinal beam 2 tail end recess 7, passive gyro wheel 42 stays in recess 7, when locking lever 9 with connect the back shaft 3 butt of active gyro wheel 41, the back shaft 3 of being connected with passive gyro wheel 42 is vertical to be placed, active gyro wheel 41 and passive gyro wheel 42 stretch out and are in the coplanar from the opening part of secondary longitudinal beam 2 top surface recess 7.
In the present embodiment, the connecting rod 8, the support shaft 3, and the locking lever 9 are all made of a rigid material.
The working process of the embodiment is as follows:
when a bridge is poured, the jacking block 6 is placed into the jacking groove 5, then the jack is placed in the groove 7, one end of the jack is jacked on the supporting shaft 3 connected with the driving roller 41, the jack exerts upward jacking force on the supporting shaft 3, the driving roller 41 is pushed upwards, in the jacking process of the jack, the driven roller 42 is firstly contacted with the jacking block 6, meanwhile, the jacking block 6 is pushed towards the bottom of the jacking groove 5, then the driving roller 41 is abutted against the jacking block 6 until the jacking block 6 is completely jacked in the jacking groove 5, the jack is closed, at the moment, the supporting shaft 3 connected with the driven roller 42 is vertically placed, and the driving roller 41 and the driven roller 42 are located on the same horizontal plane and extend out of the groove 7.
Through setting up initiative gyro wheel 41 and passive gyro wheel 42 and 6 butts of kicking block for at the in-process of pouring cement, the power of supporting is exerted to kicking block 6 to initiative gyro wheel 41 and passive gyro wheel 42, has increased the area of contact of hanging basket 11 and bridge bottom surface, and then makes the junction of hanging basket 11 and bridge more firm, has reduced the influence that rocks and pour the cause to the bridge of hanging basket 11, is favorable to pouring going on of work more.
Can dismantle with the apical groove 5 and be connected through setting up kicking block 6 for kicking block 6 can carry out repetitious use, has reduced the waste of resource, has practiced thrift the cost of engineering.
Through setting up initiative gyro wheel 41 and passive gyro wheel 42, through two contact points with the bridge contact, increased wheel components 4's bearing capacity, and then increased wheel components 4 and bridge contact department's stability for hang basket 11 is more stable at the in-process that the bridge was laid.
Through the triangular supporting structure formed between the connecting rod 8 and the supporting shaft 3, the connecting rod 8 and the supporting shaft 3 are not easy to break, the supporting effect on the driving roller 41 and the driven roller 42 is good, and meanwhile, the service lives of the driving roller 41 and the driven roller 42 are also prolonged.
When hanging basket 11 needs to be moved, roller assembly 4 is taken out from top groove 5, top block 6 is taken down from top groove 5, roller assembly 4 and top groove 5 are dislocated, then support shaft 3 connected with driving roller 41 is pushed up by using the jack again until support shaft 3 connected with driven roller 42 is vertical, driving roller 41 and driven roller 42 are abutted to the bottom surface of the bridge, locking rod 9 penetrates through hole 10, locking rod 9 is abutted to support shaft 3 connected with driven roller 42, the jack is taken down, and then hanging basket 11 can be moved.
Through in the moving process of the hanging basket 11, the driving roller 41 and the driven roller 42 are in rolling connection with the bottom surface of the bridge, the anti-overturning force of the hanging basket 11 is increased, so that in the moving process of the hanging basket 11, the hanging basket 11 is not easy to move due to the fact that the weight of the front end is larger than that of the rear end, and the hanging basket 11 is kept to move forwards stably.
Through the support shaft 3 abutted by the locking rod 9, the support shaft 3 is anti-swinging, the driving roller 41 and the driven roller 42 are kept in rolling connection with the bottom surface of the bridge in a horizontal state or in abutting connection with the top block 6, and the stability of the state of the roller assembly 4 is kept.
Increase wheel components 4's partial pressure ability through the quantity that increases wheel components 4 for wheel components 4 are difficult to be crushed when with kicking block 6 butt or with bridge bottom surface roll connection, simultaneously, two sets of roll groups more can keep wheel components 4 the equilibrium when with kicking block 6 butt or with bridge bottom surface roll connection, further make the basket 11 of hanging be connected with the bridge more stable.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. Basket is hung to pivot guy cable before large-span, including main longeron (1) and secondary longeron (2), its characterized in that: hang the afterbody of basket (11) and install back shaft (3), back shaft (3) with hang basket (11) and rotate the connection, it is connected with wheel components (4) to rotate on back shaft (3), it is used for locking to be provided with on basket (11) back shaft (3) with hang the retaining member of basket (11), the bottom surface of hanging basket (11) is sunken to have top groove (5), back shaft (3) rotate to with when top groove (5) are aligned, back shaft (3) stretch into in top groove (5), wheel components (4) with top groove (5) support tightly.
2. The large-span front pivot guy rope hanging basket according to claim 1, wherein: roller components (4) are including initiative gyro wheel (41) and passive gyro wheel (42), initiative gyro wheel (41) with be connected with connecting rod (8) between passive gyro wheel (42), back shaft (3) have two, the one end fixed connection of two back shafts (3), and the other end of one of them back shaft (3) rotates with the pivot of initiative gyro wheel (41) to be connected, and the other end of another back shaft (3) rotates with the pivot of passive gyro wheel (42) to be connected, and the length of back shaft (3) of being connected with initiative gyro wheel (41) is greater than the length of back shaft (3) of being connected with passive gyro wheel (42), and connecting rod (8) are in with two back shafts (3) and are in the same side.
3. The large-span front pivot guy rope hanging basket according to claim 2, wherein: every the tail end of inferior longeron (2) all is sunken recess (7), all be located when back shaft (3) and passive gyro wheel (42) are quiet put in recess (7), initiative gyro wheel (41) with passive gyro wheel (42) all with recess (7) swing joint, when with the bracing piece of the connection of passive gyro wheel (42) is vertical, passive gyro wheel (42) with passive gyro wheel (42) all stretch out recess (7).
4. The large-span front pivot guy rope hanging basket according to claim 3, wherein: every recess (7) on inferior longeron (2) are provided with two, every all be provided with wheel components (4) in recess (7).
5. The large-span front pivot guy rope hanging basket according to claim 1, wherein: the locking piece is a locking rod (9), a through hole (10) penetrates through the tail end of the secondary longitudinal beam (2), the locking rod (9) penetrates through the through hole (10), and when the locking rod (9) penetrates through the through hole (10), the locking rod (9) is abutted to the support shaft (3).
6. The large-span front pivot guy rope hanging basket according to claim 1, wherein: ejector block (6) have been placed in kicking groove (5), kicking block (6) with kicking groove (5) sliding connection, work as kicking block (6) insert completely when kicking groove (5), the groove depth of kicking groove (5) is greater than the height of kicking block (6).
7. The large-span front pivot guy rope hanging basket according to claim 6, wherein: the top block (6) and the top groove (5) are detachably connected.
8. The large-span front pivot guy rope hanging basket according to claim 2, wherein: the connecting rod (8) and the supporting shaft (3) are rigid.
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CN201920366305.2U CN209907213U (en) | 2019-03-21 | 2019-03-21 | Large-span front support point guy cable hanging basket |
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CN201920366305.2U CN209907213U (en) | 2019-03-21 | 2019-03-21 | Large-span front support point guy cable hanging basket |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113309006A (en) * | 2021-07-01 | 2021-08-27 | 中交二航局第四工程有限公司 | Five-row adjacent parallel suspension casting continuous beam dislocation synchronization equipment and construction method thereof |
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2019
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113309006A (en) * | 2021-07-01 | 2021-08-27 | 中交二航局第四工程有限公司 | Five-row adjacent parallel suspension casting continuous beam dislocation synchronization equipment and construction method thereof |
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