CN218405051U - Internal mold for cast-in-situ box girder - Google Patents

Abstract

The application discloses centre form for cast-in-place case roof beam relates to construction site construction equipment technical field, including a plurality of inner formworks that are used for forming the case roof beam inner wall, a plurality of inner formworks connect gradually, be fixed with the base on the inner formwork, it is connected with a plurality of connection cylinders to rotate on the base, and a plurality of connection cylinders are located the plane of symmetry both sides of case roof beam on the width direction, and a plurality of connection cylinders are arranged along the length direction interval of case roof beam, and the tailpiece of the piston rod portion of connecting the cylinder rotates and is connected with the plate, and the plate lateral wall is through connecting cylinder butt in the inner formwork, and rotates on the plate and be connected with a plurality of support bars that are used for supporting the inner formwork. This application has the effect that reduces the practical quantity of cylinder, reduces construction cost.

Description

Internal mold for cast-in-situ box girder

Technical Field

The application relates to the technical field of construction site construction equipment, in particular to an internal mold for a cast-in-place box girder.

Background

The box girder is one of the middle girders in bridge engineering, the inner part of the box girder is hollow, and flanges are arranged on two sides of the upper part of the box girder and are similar to a box, so that the box girder is named. During the construction of case roof beam, need use the centre form to finalize the design.

In the correlation technique, precast box girder need a plurality of inner formworks that are used for forming the case roof beam inner wall pouring the in-process, still be provided with a plurality of bases on the inner formworks, set up a plurality of connection cylinders on the base, connect the cylinder and rotate to connect in the base, the piston rod of connecting the cylinder rotates connects the inner formworks, through the flexible of connecting the cylinder, realizes butt and the support to the inner formworks.

In realizing this application in-process, the inventor finds that there is following problem at least in this technique, and the design of inner formword is realized through a plurality of connection cylinder butts to need to use a large amount of connection cylinders when setting up a plurality of inner formwords, increased the cost of construction.

SUMMERY OF THE UTILITY MODEL

In order to reduce the practicality of connecting the cylinder, realize the effect that reduces construction cost then, this application provides a cast-in-place centre form for box girder.

The application provides a cast-in-place centre form for box girder adopts following technical scheme:

the utility model provides a cast-in-place centre form for case roof beam, is including a plurality of interior formworks that are used for forming the case roof beam inner wall, and a plurality of interior formworks connect gradually, be fixed with the base on the interior formwork, rotate on the base and be connected with a plurality of connection cylinders, a plurality of connection cylinders are located the box roof beam in the ascending symmetrical plane both sides of width direction, and a plurality of connection cylinders are arranged along the length direction interval of case roof beam, and the tailpiece of the piston rod portion of connecting the cylinder rotates and is connected with the plate, and the plate lateral wall rotates and is connected with a plurality of support bars that are used for supporting the interior formwork through connecting cylinder butt in the interior formwork on the plate.

By adopting the technical scheme, after the inner formwork is moved to a proper position by a worker, the plate is driven to move by the extension and contraction of the connecting air cylinder, the plate moves to the proper position, and the plate is abutted against the inner formwork to realize the fixation of the plate; in the motion process of the plate, workers can move the supporting bars to enable the supporting bars to be abutted against the inner template better; rotatable coupling majority support bar on the plate realizes the multiple spot location, reduces the use quantity of connecting the cylinder to this reduces the cost of construction.

Optionally, the support bars located on the same plate are divided into a plurality of groups, the support bars in the same group are arranged along the length direction of the box girder, each group of support bars is provided with a connecting rod for connecting the support bars in the same group, the connecting rod drives the support bars in the same group to rotate synchronously, and the axis of the connecting rod is parallel to the axis of the support bars and is rotationally connected to the plate; be provided with on the connecting rod with a plurality of connecting blocks that organize the support bar corresponding, wear to be equipped with the dwang on the connecting block, and the axis of dwang is on a parallel with the connecting rod, threaded connection has two swivel nuts that prevent support bar and connecting block and break away from the dwang on the dwang.

By adopting the technical scheme, the connecting rods are connected to the same group of supporting bars, so that the synchronous rotation of the same group of supporting bars is realized, and the supporting bars can be conveniently adjusted by workers; the connecting rod is rotated through connecting block and support bar and is connected, and the staff can pass connecting block and support bar with the dwang to the bolt rotates the nut, prevents that the support bar from breaking away from the connecting block.

Optionally, a plurality of mounting holes penetrating through the connecting rod are formed in the connecting rod, the mounting holes are arranged along the length direction of the connecting rod, and the mounting holes correspond to the connecting blocks one by one; the connecting rod is provided with a mounting bolt which is positioned in the mounting hole, the end part of the mounting bolt is fixed on the connecting block, and the mounting bolt is provided with an adjusting piece for realizing independent adjustment of the angle of the supporting bar.

Through adopting above-mentioned technical scheme, realize the regulation of one of them supporting strip independent position as needs, staff's accessible regulating part realizes that mounting bolt keeps away from or is close to the regulation of connecting rod, and the connection of connecting block and connecting rod realizes through mounting bolt.

Optionally, the support bar is provided with a movable groove, the movable groove extends along the length direction of the support bar, and the rotating rod penetrates through the movable groove of the corresponding support bar; the adjusting piece is a sleeve which is in threaded connection with the mounting bolt, and the sleeve is positioned in the mounting hole; the sleeve terminal surface is fixed with the cyclic annular piece that is used for the butt connecting rod, and cyclic annular piece is located the connecting rod and deviates from connecting block one side.

By adopting the technical scheme, the relative positions of the sleeve and the mounting bolt can be adjusted by workers, so that the support bar can be independently adjusted, and the rotating rod is positioned in the movable groove, so that the interference phenomenon is avoided; and then the connecting block and the connecting rod are fixed by the connecting ring which is abutted against the connecting rod.

Optionally, the side wall of the connecting rod is provided with a plurality of clamping grooves for clamping the annular blocks, and the clamping grooves are communicated with the mounting holes.

Through adopting above-mentioned technical scheme, lie in the draw-in groove through cyclic annular piece, realize telescopic fixed, prevent that the sleeve from rotating around the construction bolt pivot.

Optionally, the support bar includes a first support bar connected to the plate and a second support bar connected to the first support bar, the first support bar is provided with a plurality of moving holes, and the plurality of moving holes extend along the length direction of the first support bar; two moving rods penetrate through the second supporting rod and penetrate through the corresponding two moving holes; the moving rod is provided with a clamping piece for preventing the moving rod from rotating.

By adopting the technical scheme, the support bar comprises a first support bar and a second support bar, the second support bar is connected to the first support bar through the movable bars, and the two movable bars are arranged in different movable holes in a penetrating manner to realize the length adjustment of the support bar; two travelling bars wear to establish, the joint strength of the first branch and the second branch that improve on the one hand, on the other hand has avoided second branch around first branch pivoted possibility, improves stability.

Optionally, the side wall of the first strut is provided with moving grooves which correspond to the moving holes one to one and are communicated with the moving holes; the clamping piece is a clamping block fixed at one end of the moving rod, the clamping block is clamped in the moving groove, and the moving rod is connected with a moving nut through threads, so that the second support rod is prevented from being separated from the moving rod.

Through adopting above-mentioned technical scheme, behind the fixture block that moves on the hole was located the shifting chute, the fixture block will unable rotation to this unable rotation that realizes the carriage release lever makes the connection of first branch and second branch more stable.

Optionally, the base includes a plurality of suspension rods fixed on the inner wall of the inner formwork, and a base plate fixed on the suspension rods and connected with the plurality of suspension rods.

Through adopting above-mentioned technical scheme, the base has a plurality of jibs and bed plate to constitute.

Optionally, an adjusting template capable of adjusting the size of the inner template is arranged in the plurality of inner templates, adjusting grooves are formed in the side walls of the adjusting templates connected to the adjacent inner templates, and matching plates located in the adjusting grooves are arranged on the adjusting templates in a sliding manner; the matching plates are provided with a plurality of adjusting holes for adjusting the size of the template, and the adjusting holes are arranged along the direction of the back motion of the two matching plates; the adjusting template is provided with an adjusting bolt which penetrates through an adjusting hole of the matching plate and is in threaded connection with the adjusting template.

By adopting the technical scheme, in order to enable the inner formworks to be suitable for more box girders with different sizes, the size of part of the inner formworks can be adjusted by adjusting the formworks in an adjustable mode, so that the shape of the inner wall of the box girder formed by the inner formworks is adjusted; the adjustment of the adjusting plate is realized by how much the matching plate is positioned in the adjusting groove, and the fixing of the matching plate and the adjusting template is realized by the adjusting bolt.

Optionally, a filler plate for filling a gap between the fitting plate and the inner wall of the box girder is fixed on the fitting plate.

Through adopting above-mentioned technical scheme for the case roof beam inner wall that forms is level and smooth.

In summary, the present application includes at least one of the following beneficial technical effects:

connect the cylinder and rotate the connection plate piece, rotate on the plate and be connected with a plurality of support bars to this realizes the multiple spot location to the inner formword, reduces the use of cylinder, reduces the construction cost then.

Realize the simultaneous movement to the same group's support bar through the connecting rod to this effect of being convenient for adjust is realized.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of the support bars connected to the panels.

Fig. 3 is a schematic view of the structure of the first bar connected to the second bar.

Fig. 4 is a view showing a structure of connection between the adjustment template and the mating plate.

Description of the reference numerals:

1. an inner template; 2. a base; 3. a connecting cylinder; 4. a plate block; 5. a supporting strip; 6. a connecting rod; 7. connecting blocks; 8. a movable groove; 9. rotating the nut; 10. mounting holes; 11. installing a bolt; 12. an adjustment member; 13. a sleeve; 14. an annular block; 15. a card slot; 16. a first strut; 17. a second support bar; 18. moving the hole; 19. a travel bar; 20. a fastener; 21. a moving groove; 22. a clamping block; 23. moving the nut; 24. a boom; 25. a base plate; 26. rotating the rod; 27. adjusting the template; 28. an adjustment groove; 29. a mating plate; 30. an adjustment hole; 31. adjusting the bolt; 32. and (4) a filler plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses cast-in-place box girder inner mold. Referring to fig. 1, the box girder comprises a plurality of inner formworks 1 for forming the inner wall of a box girder, wherein the inner formworks 1 are sequentially connected, and adjacent inner formworks 1 are hinged to each other to realize connection; the lower surface of an inner template 1 for forming the upper surface of the inner wall of the box girder is provided with a base 2, the base 2 is rotatably connected with a plurality of connecting cylinders 3, the connecting cylinders 3 are positioned on two sides of the symmetrical surface of the box girder in the width direction, and the connecting cylinders 3 are uniformly distributed along the length direction of the box girder at intervals; the connecting cylinder 3 is used for abutting against the inner formwork 1 so that a box girder can be formed after pouring; the base 2 comprises a plurality of suspension rods 24 welded on the inner wall of the inner template 1, the suspension rods 24 are channel steel, the base 2 further comprises a base 2 plate welded at one end of each suspension rod 24 far away from the inner template 1, the base 2 plate is connected with the suspension rods 24, and the base 2 plate is horizontally arranged; the connecting cylinder 3 is rotatably connected to the lower surface of the base 2 plate, the end part of a piston rod of the connecting cylinder 3 is rotatably connected with a plate 4, and the plate 4 is formed by welding a plurality of channel steel in a staggered manner; the plate 4 is rotatably connected with a plurality of supporting strips 5, and the supporting strips 5 are positioned on one side of the plate 4, which is far away from the connecting cylinder 3; one side of the supporting strip 5, which is far away from the plate 4, is abutted against the inner formwork 1, so that the inner formwork 1 is supported.

In the working process of the device, firstly, an initially built inner template 1 is placed in a steel bar of a built box girder structure, a suspender 24 and a base plate 25 are welded on the inner template 1, and a connecting cylinder 3 is erected; the connecting cylinder 3 is started again, a piston rod of the connecting cylinder 3 moves to realize the movement of the plate 4, and the side wall of the plate 4 is abutted against the inner formwork 1 under the action of the connecting cylinder 3 of the plate 4, so that the plate 4 is fixed under the action of the connecting cylinder 3; the movement of the supporting bars 5 is realized through the movement of the plate 4, and the supporting bars 5 support the inner template 1 to realize the effect of reinforcing the inner template 1 at multiple points; under the condition of all being fixed in plate 4 through a plurality of support bars 5, can reduce the quantity of connecting cylinder 3 to this reduces construction cost.

Referring to fig. 2 and 3, a plurality of support bars 5 positioned on the same plate 4 are divided into two groups, and each group of support bars 5 are uniformly distributed along the length direction of the box girder; the connecting rods 6 are arranged on one supporting strip 5 in different groups on the same plate 4, the connecting rods 6 are connected to the supporting strips 5 in the same group, so that the supporting strips 5 in the same group can move synchronously, and the axis of the connecting rod 6 is parallel to the axis of a rotating shaft which is rotatably connected to the plate 4 and corresponds to the supporting strips 5 in the same group; the connecting rod 6 is provided with a plurality of connecting blocks 7 for connecting the supporting bars 5, the connecting blocks 7 are uniformly distributed along the length direction of the connecting rod 6, and the connecting blocks 7 correspond to the supporting rods one by one; a rotating rod 26 penetrates through the connecting block 7, and the rotating rod 26 is parallel to the connecting rod 6; the supporting bars 5 are of channel steel structures, and the connecting blocks 7 are positioned in the grooves of the supporting bars 5; the movable groove 8 that runs through support bar 5 is seted up to 5 lateral walls of support bar, and movable groove 8 extends along the length direction of support bar 5, and dwang 26 passes movable groove 8 on corresponding support bar 5 when passing connecting block 7, and dwang 26 can slide in movable groove 8, and threaded connection has the rotation nut 9 that is located 5 both sides of support bar on the dwang 26, and rotation nut 9 is used for preventing that support bar 5 and connecting block 7 can break away from dwang 26.

Referring to fig. 2 and 3, a plurality of mounting holes 10 are formed in the connecting rod 6, the mounting holes 10 are uniformly distributed along the length direction of the connecting rod 6, the mounting holes 10 correspond to the connecting blocks 7 one by one, mounting bolts 11 located in the mounting holes 10 penetrate through the connecting rod 6, the end portions of the mounting bolts 11 are welded to the side walls of the connecting blocks 7, and an adjusting piece 12 for realizing independent movement of one supporting strip 5 of the same group of supporting strips 5 is further arranged on the connecting rod 6; the adjusting piece 12 is a sleeve 13 which is in threaded connection with the mounting bolt 11, and the sleeve 13 is positioned in the mounting hole 10; the end face of the sleeve 13 is welded with an annular block 14, the annular block 14 is positioned on one side, away from the connecting block 7, of the connecting rod 6, the annular block 14 abuts against the connecting rod 6, the distance between the connecting block 7 and the connecting rod 6 is changed, and therefore the angle of the support bar 5 is adjusted; and the lateral wall of the connecting rod 6 is provided with a clamping groove 15 for clamping the annular block 14, and the annular block 14 is clamped in the clamping groove 15 to prevent the sleeve 13 from rotating.

The staff can remove connecting rod 6 earlier, realizes rotating with group's support bar 5 synchronization, when the butt position of certain department support bar 5 needs the adjustment, can rotate support bar 5 earlier, drives cyclic annular piece 14 on the sleeve 13 and breaks away from draw-in groove 15, adjusts sleeve 13 and mounting bolt 11's relative position again, realizes connecting block 7 and connecting rod 6's distance regulation to this realizes the regulation of support bar 5 inclination.

Referring to fig. 2 and 3, the supporting bar 5 includes a first pole 16 rotatably connected to the plate 4, and a second pole 17 connected to the first pole 16, and the length of the supporting bar 5 is adjustable by adjusting the second pole 17 relative to the first pole 16 in the length direction thereof; wherein the connecting block 7 is connected to the first support rod 16; the first support rod 16 is provided with a plurality of moving holes 18 penetrating through the first support rod 16, and the moving holes 18 are uniformly distributed along the length direction of the first support rod 16; two moving rods 19 penetrate through the second supporting rod 17, and the two moving rods 19 are parallel to each other but are not coaxial; the movable rods 19 penetrate through the second support rods 17 and the corresponding movable holes 18 in the first support rods 16, and the length of the support bar 5 is adjusted by the two movable rods 19 penetrating through different movable blocks; and the moving rod 19 is provided with a fastener 20 for preventing the moving rod 19 from rotating, so that the connection between the first support rod 16 and the second support rod 17 is more stable.

Referring to fig. 3, the side wall of the first support bar 16 is provided with moving grooves 21 corresponding to the moving holes 18 one by one, and the moving grooves 21 are communicated with the corresponding moving holes 18; the clamping piece 20 is a clamping block 22 welded at the end part of the moving rod 19, the clamping block 22 is matched with the moving groove 21, and when the clamping block 22 is positioned behind the moving groove 21, the clamping block 22 cannot rotate, so that the moving rod 19 cannot rotate, the moving rod 19 is further in threaded connection with a moving nut 23, the moving nut 23 abuts against the side wall of the first supporting rod 16, and the clamping block 22 is prevented from moving out of the moving groove 21.

Referring to fig. 1 and 4, the inner formworks 1 comprise adjusting formworks 27 for forming the upper surfaces of the inner walls of the box girders, the side walls of the adjusting formworks 27, which are connected with other adjacent inner formworks 1, are provided with fitting plates 29, and the fitting plates 29 are used for adjusting the length of the adjusting formworks 27, so that the adjustment of the sizes of the adjusting formworks 27 is realized, and the box girders with more different sizes are adapted; the adjusting plate is connected with the side wall of the adjacent inner template 1 and is provided with an adjusting groove 28, the adjusting groove 28 extends along the width direction of the box girder, and the adjusting groove 28 penetrates through the side wall of the adjusting template 27 along the length direction of the box girder; the matching plate 29 is arranged on the adjusting template 27 in a sliding manner and is positioned in the adjusting groove 28, and the matching plate 29 can slide along the width direction of the box girder; the matching plate 29 is provided with a plurality of adjusting holes 30 for matching and adjusting the size of the adjusting template 27; the plurality of adjusting holes 30 are uniformly distributed along the width direction of the box girder; a plurality of adjusting bolts 31 penetrate through the adjusting template 27, and the adjusting bolts 31 penetrate through the corresponding adjusting holes 30 and are in threaded connection with the inner wall of the adjusting groove 28 to finally realize fixation; the upper surface of the matching plate 29 is welded with a filler plate 32, and the filler plate 32 is positioned between the matching plate 29 and the inner wall of the box girder to be formed.

The implementation principle of an internal mold for a cast-in-place box girder in the embodiment of the application is as follows: the worker can firstly place the inner formworks 1 at a designated position, and the shape formed by combining the inner formworks 1 is more consistent with the construction structure through the adjustment of the matching plates 29 relative to the size of the adjusting formworks 27; the connecting cylinder 3 is started, the plate 4 is abutted to the inner formwork 1 through the connecting cylinder 3, the supporting strips 5 are abutted to the inner formwork 1, the supporting strips 5 in the same group are adjusted through the connecting rod 6, and the angle adjustment of the independent supporting strips 5 can be realized through the matching of the sleeve 13 and the mounting bolt 11, so that the supporting strips 5 are better abutted to the inner formwork 1; the first strut 16 and the second strut 17 enable the length of the supporting bar 5 to be adjusted, thereby enabling a better abutment against the inner formwork 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a cast-in-place centre form for box girder, is including a plurality of interior formworks (1) that are used for forming the box girder inner wall, and a plurality of interior formworks (1) connect gradually its characterized in that: be fixed with base (2) on the inner formword, it is connected with a plurality of connection cylinders (3) to rotate on base (2), a plurality of connection cylinders (3) are located the box roof beam in the ascending symmetry plane both sides of width direction, and a plurality of connection cylinders (3) are arranged along the length direction interval of box roof beam, the piston rod tip of connecting cylinder (3) rotates and is connected with plate (4), plate (4) lateral wall is through connecting cylinder (3) butt in inner formword (1), and rotate on plate (4) and be connected with a plurality of support bars (5) that are used for supporting inner formword (1).

2. The internal mold for the cast-in-place box girder according to claim 1, characterized in that: the supporting strips (5) positioned on the same plate block (4) are divided into a plurality of groups, the supporting strips (5) in the same group are arranged along the length direction of the box girder, a connecting rod (6) used for connecting the supporting strips (5) in the same group is arranged in each group of supporting strips (5), the connecting rod (6) drives the supporting strips (5) in the same group to synchronously rotate, and the axis of the connecting rod (6) is parallel to the axis of the supporting strips (5) and is rotationally connected to the axis of the plate block (4); be provided with on connecting rod (6) with a plurality of connecting blocks (7) that correspond with group's support bar (5), wear to be equipped with dwang (26) on connecting block (7), and the axis of dwang (26) is on a parallel with connecting rod (6), threaded connection has two rotation nut (9) that prevent support bar (5) and connecting block (7) to break away from dwang (26) on the dwang.

3. The internal mold for a cast-in-place box girder according to claim 2, characterized in that: the connecting rod (6) is provided with a plurality of mounting holes (10) penetrating through the connecting rod (6), the mounting holes (10) are distributed along the length direction of the connecting rod (6), and the mounting holes (10) correspond to the connecting blocks (7) one by one; the connecting rod (6) is provided with a mounting bolt (11) located in the mounting hole (10), the end of the mounting bolt (11) is fixed on the connecting block (7), and the mounting bolt (11) is provided with an adjusting piece (12) used for achieving independent adjustment of the angle of the supporting bar (5).

4. The internal mold for a cast-in-place box girder according to claim 3, characterized in that: the supporting strip (5) is provided with a movable groove (8), the movable groove (8) extends along the length direction of the supporting strip (5), and the rotating rod (26) penetrates through the movable groove (8) corresponding to the supporting strip (5); the adjusting piece (12) is a sleeve (13) in threaded connection with the mounting bolt (11), and the sleeve (13) is positioned in the mounting hole (10); sleeve (13) terminal surface is fixed with cyclic annular piece (14) that are used for butt connecting rod (6), and cyclic annular piece (14) are located connecting rod (6) and deviate from connecting block (7) one side.

5. The internal mold for a cast-in-place box girder according to claim 4, wherein: a plurality of clamping grooves (15) used for clamping the annular blocks (14) are formed in the side wall of the connecting rod (6), and the clamping grooves (15) are communicated with the mounting hole (10).

6. The internal mold for a cast-in-place box girder according to claim 1, characterized in that: the supporting bar (5) comprises a first supporting bar (16) connected to the plate block (4) and a second supporting bar (17) connected to the first supporting bar (16), a plurality of moving holes (18) are formed in the first supporting bar (16), and the moving holes (18) extend along the length direction of the first supporting bar (16); two moving rods (19) penetrate through the second supporting rod (17), and the two moving rods (19) penetrate through the two corresponding moving holes (18); the moving rod (19) is provided with a clamping piece (20) for preventing the moving rod (19) from rotating.

7. The internal mold for the cast-in-place box girder according to claim 6, characterized in that: the side wall of the first support rod (16) is provided with moving grooves (21) which correspond to the moving holes (18) one by one and are communicated with the moving holes (18); the clamping piece (20) is a clamping block (22) fixed at one end of the moving rod (19), the clamping block (22) is clamped in the moving groove (21), and the moving rod (19) is connected with a moving nut (23) through threads, so that the second support rod (17) is prevented from being separated from the moving rod (19).

8. The internal mold for the cast-in-place box girder according to claim 1, characterized in that: the base (2) comprises a plurality of hanging rods (24) fixed on the inner wall of the inner template (1) and a base (2) plate fixed on the hanging rods (24) and connected with the hanging rods (24).

9. The internal mold for a cast-in-place box girder according to claim 1, characterized in that: an adjusting template (27) capable of adjusting the size of the inner template (1) is arranged in the inner templates (1), adjusting grooves (28) are formed in the side walls, connected to the adjacent inner templates (1), of the adjusting templates (27), and matching plates (29) located in the adjusting grooves (28) are arranged on the adjusting templates (27) in a sliding mode; the matching plates (29) are provided with a plurality of adjusting holes (30) for adjusting the size of the adjusting template (27), and the adjusting holes (30) are arranged along the back movement direction of the two matching plates (29); an adjusting bolt (31) is arranged on the adjusting template (27), and the adjusting bolt (31) penetrates through an adjusting hole (30) of the matching plate (29) and is in threaded connection with the adjusting template (27).

10. The internal mold for the cast-in-place box girder according to claim 9, characterized in that: and a filler plate (32) for filling a gap between the matching plate (29) and the inner wall of the box girder is fixed on the matching plate (29).

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