Continuous beam outer form

Abstract

The utility model discloses a continuous beam outer mould, including wing plate outer mould, wing plate bottom die, web outer mould and adjustable back frame, wing plate bottom die includes wing plate bottom die body, tooth block outer mould, first tooth block end mould and second tooth block end mould, tooth block outer mould is slidably overlapped in wing plate inclined plane wing plate bottom die body and is rotatable along the bridge direction setting, first tooth block end mould and second tooth block end mould are relatively set along the bridge direction and are slidably overlapped in wing plate bottom die body, and first tooth block end mould and second tooth block end mould are rotatable along the bridge direction setting, web outer mould includes web outer mould body and tooth block bottom die, and tooth block bottom die is slidably overlapped in web outer mould body along continuous beam section height direction and is rotatable along the bridge direction setting, when the segment of construction has the tooth block, tooth block outer mould, first tooth block end mould, second tooth block end mould and tooth block bottom die can cooperate and form the cavity of pouring tooth block, the utility model discloses can take into account the continuous beam section without tooth block and with tooth block, need not repeatedly cutting and assembling the wood mould.

Description

Technical Field

[0001] This utility model relates to the field of formwork technology for hanging basket construction, and in particular to an external formwork for a continuous beam. Background Technology

[0002] Bridge toothed blocks are used to anchor prestressed steel strands in bridges. They are typically installed on the top or bottom slab of the beam and their structural form resembles a triangular block. Figure 1 As shown. The formwork for conventional bridges is assembled from steel molds of different specifications, which basically achieves the standardization of conventional hanging basket formwork. However, conventional formwork cannot be used for continuous beam segment 1 with toothed blocks 11.

[0003] like Figure 2 As shown, the existing outer formwork for the continuous beam segment 1 with toothed blocks 11 on the wing plate 12 includes an outer formwork template a, a first back frame b, and a second back frame c. When casting the segment without toothed blocks 11, the specific location of the second back frame c is as follows: Figure 3 As shown; when casting the toothed block 11 segment, after disassembling the outer mold template a at the position of the toothed block 11, the wooden mold is cut into the corresponding shape and assembled before casting. The second back frame c needs to be moved outward to avoid it, and its specific position is as follows. Figure 2 As shown.

[0004] Cutting and assembling wooden molds takes a lot of time, affecting construction efficiency. Furthermore, due to differences in the position and shape of the toothed blocks, wooden molds often cannot be reused. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a continuous beam outer formwork that can accommodate the casting of both continuous beam segments with and without toothed blocks. When used for continuous beam segments with toothed blocks, it eliminates the need for repeated cutting and assembling of wooden formwork, which helps to save construction time and improve construction efficiency.

[0006] This utility model further provides a construction method using the above-mentioned continuous beam external formwork.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A continuous beam outer formwork includes, from top to bottom, a wing plate outer formwork, a wing plate bottom formwork, and a web plate outer formwork, as well as an adjustable back frame for supporting the wing plate outer formwork, the wing plate bottom formwork, and the web plate outer formwork; wherein, The wing plate bottom mold includes a wing plate bottom mold body, a toothed block outer mold, a first toothed block end mold, and a second toothed block end mold. The toothed block outer mold is slidably overlapped with the wing plate bottom mold body along the wing plate inclined surface of the continuous beam segment and is rotatably arranged along the longitudinal direction of the bridge. The first toothed block end mold and the second toothed block end mold are arranged opposite to each other along the longitudinal direction of the bridge and are slidably overlapped with the wing plate bottom mold body. The first toothed block end mold and the second toothed block end mold are rotatably arranged along the transverse direction of the bridge. The web outer formwork includes a web outer formwork body and a toothed block bottom formwork. The toothed block bottom formwork is slidably overlapped with the web outer formwork body along the height direction of the continuous beam segment and is rotatably set along the longitudinal direction of the bridge. The tooth block outer mold, the first tooth block end mold, and the second tooth block end mold can be rotated to a flattened state to form the wing plate bottom mold with the wing plate bottom mold body. The tooth block bottom mold can be rotated to a flattened state to form the web plate outer mold with the web plate outer mold body. The outer mold of the tooth block, the first end mold of the tooth block, the second end mold of the tooth block, and the bottom mold of the tooth block can be rotated to an enclosed state to form a cavity for casting the tooth block.

[0008] As a further improvement to the above technical solution: the tooth block outer mold includes a tooth block outer mold mounting part and a tooth block outer mold body. The tooth block outer mold mounting part is slidably attached to the wing plate bottom mold body along the inclined surface of the wing plate, and the tooth block outer mold body is rotatably connected to the tooth block outer mold mounting part.

[0009] As a further improvement to the above technical solution: the tooth block outer mold mounting part and / or the wing plate bottom mold body are provided with waist-shaped holes along the wing plate inclined surface, and the tooth block outer mold mounting part and the wing plate bottom mold body are detachably connected by fasteners provided in the waist-shaped holes.

[0010] As a further improvement to the above technical solution: the second tooth block end mold includes a second tooth block end mold mounting part and a second tooth block end mold body. The second tooth block end mold mounting part is slidably attached to the wing plate bottom mold body along the longitudinal direction of the bridge, and the second tooth block end mold body is rotatably connected to the second tooth block end mold mounting part.

[0011] As a further improvement to the above technical solution: the toothed block bottom mold includes a toothed block bottom mold mounting part and a toothed block bottom mold body. The toothed block bottom mold mounting part is slidably overlapped with the web outer mold body along the height direction of the continuous beam segment, and the toothed block bottom mold body is rotatably connected to the toothed block bottom mold mounting part.

[0012] As a further improvement to the above technical solution: the adjustable back frame includes a fixed back frame and a movable back frame; wherein, The inner side of the fixed back frame is provided with a first vertically adjustable support member that can extend and retract along the height direction of the continuous beam segment, and the top of the fixed back frame is provided with a movable guide rail along the transverse bridge direction; The movable back frame is slidably mounted on the moving guide rail. The movable back frame is provided with at least a second vertically adjustable support member, a third vertically adjustable support member, a first horizontally adjustable support member, and a second horizontally adjustable support member that can extend and retract along the height direction of the continuous beam segment. The second vertically adjustable support member is located inside the movable back frame, and the third vertically adjustable support member is located outside the second vertically adjustable support member.

[0013] As a further improvement to the above technical solution: the height of the first horizontally adjustable support is adjustable, the height of the second horizontally adjustable support is greater than the height of the first horizontally adjustable support, and the first horizontally adjustable support and the second horizontally adjustable support are detachably connected to the first vertically adjustable support.

[0014] As a further improvement to the above technical solution: the first vertical adjustable support member is provided with a plurality of first mounting holes along the length direction, and the first horizontal adjustable support member and the second horizontal adjustable support member are provided with second mounting holes at one end near the first vertical adjustable support member, and the first mounting holes and the second mounting holes are detachably connected by fasteners.

[0015] As a further improvement to the above technical solution: the adjustable back frame includes a back frame body, the back frame body is provided with a avoidance area for avoiding the tooth block, and at least a fourth vertical adjustable support member, a fifth vertical adjustable support member, a third horizontal adjustable support member and a fourth horizontal adjustable support member that can be extended and retracted along the height direction of the continuous beam segment, and extended and retracted along the transverse direction of the bridge. The fourth vertical adjustable support member is located inside the back frame body, the fifth vertical adjustable support member is located outside the fourth vertical adjustable support member, and the height of the fourth horizontal adjustable support member is greater than the height of the third horizontal adjustable support member.

[0016] As a further improvement to the above technical solution: the back frame body is also provided with an obliquely adjustable support member that can extend and retract along the inclined surface of the wing plate.

[0017] A construction method for the external formwork of a continuous beam, using the aforementioned continuous beam external formwork. When casting a continuous beam segment without toothed blocks, the toothed block outer mold, the first toothed block end mold, and the second toothed block end mold are rotated to a flattened state to form the wing plate bottom mold body with the wing plate bottom mold body. The toothed block bottom mold is rotated to a flattened state to form the web plate outer mold body with the web plate outer mold body. When casting a continuous beam segment with toothed blocks, the outer mold of the toothed block, the first end mold of the toothed block, the second end mold of the toothed block, and the bottom mold of the toothed block are rotated to form an enclosed state to create a cavity for casting the toothed blocks.

[0018] Compared with the prior art, the advantages of this utility model are: The continuous beam outer mold disclosed in this utility model, when the flange of the continuous beam segment has no toothed blocks, the toothed block outer mold, the first toothed block end mold, and the second toothed block end mold are in a flattened state, and cooperate with the flange bottom mold body to form the flange bottom mold. The toothed block bottom mold is also in a flattened state, and cooperates with the web outer mold body to form the web outer mold, which can be directly cast. When the continuous beam segment is designed with toothed blocks, the angle and position of the toothed block outer mold, the first toothed block end mold, the second toothed block end mold, and the toothed block bottom mold are adjusted according to the position and shape of the toothed blocks, thereby enclosing and forming a cavity for casting the toothed blocks. The adjustable back frame adjusts the shape and continues to provide support for the toothed block outer mold, the first toothed block end mold, the second toothed block end mold, and the toothed block bottom mold that have been rotated to the enclosed state. Thus, a continuous beam segment with toothed blocks on the flange can be cast, and there is no need to repeatedly cut and assemble wooden molds, which helps to save construction time and improve construction efficiency.

[0019] The construction method for the outer formwork of continuous beams disclosed in this utility model can be used to cast continuous beam segments with and without toothed blocks on the flanges. It eliminates the need for repeated cutting and assembling of wooden formwork, saving construction time and increasing construction efficiency.

[0020] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of a continuous beam segment with toothed blocks.

[0022] Figure 2 This is a schematic diagram of a conventional external mold used for a continuous beam segment with toothed blocks.

[0023] Figure 3 This is a structural schematic diagram of a conventional external mold used for a continuous beam segment without toothed blocks. Figure 4 This is a schematic diagram of the main structure of the outer mold of the wing plate, the bottom mold of the wing plate, and the outer mold of the web plate in this utility model for use on a toothed block segment.

[0024] Figure 5 This is a side view structural diagram of the wing plate outer mold, wing plate bottom mold, and web plate outer mold used in the toothed block segment of this utility model.

[0025] Figure 6 This is a front view structural diagram of the fixed back frame in Embodiment 1 of this utility model.

[0026] Figure 7This is a side view of the fixed back frame in Embodiment 1 of this utility model.

[0027] Figure 8 This is a front view structural schematic diagram of the movable back frame in Embodiment 1 of this utility model.

[0028] Figure 9 yes Figure 8 A-direction view.

[0029] Figure 10 This is a schematic diagram of the main structure of Embodiment 1 of this utility model for a segment without toothed blocks.

[0030] Figure 11 This is a side view structural diagram of an embodiment of the present invention for a toothed block segment.

[0031] Figure 12 yes Figure 11 BB cross-sectional view.

[0032] Figure 13 yes Figure 11 CC section view.

[0033] Figure 14 This is a schematic diagram of the main structure of Embodiment 2 of this utility model for a segment without toothed blocks.

[0034] Figure 15 This is a schematic diagram of the main structure of the toothed block segment according to Embodiment 2 of this utility model.

[0035] The labels in the diagram represent: a. Outer mold template; b. First back frame; c. Second back frame; 1. Continuous beam segment; 11. Tooth block; 12. Flange plate; 13. Web plate; 2. Outer mold of wing plate; 3. Bottom mold of wing plate; 31. Bottom mold body of wing plate; 32. Outer mold of toothed block; 321. Mounting part of outer mold of toothed block; 322. Body of outer mold of toothed block; 33. First end mold of toothed block; 34. Second end mold of toothed block; 341. Mounting part of second end mold of toothed block; 342. Body of second end mold of toothed block; 4. Outer mold of web plate; 41. Body of outer mold of web plate; 42. Bottom mold of toothed block; 421. Mounting part of bottom mold of toothed block; 422. Body of bottom mold of toothed block; 5. Adjustable back frame; 51. Fixed back frame; 511. First vertical adjustable support Components; 512, Moving guide rail; 513, First mounting hole; 52, Movable back frame; 521, Second vertically adjustable support; 522, Third vertically adjustable support; 523, First horizontally adjustable support; 524, Second horizontally adjustable support; 525, Second mounting hole; 53, Back frame body; 531, Clearance area; 532, Fourth vertically adjustable support; 533, Fifth vertically adjustable support; 534, Third horizontally adjustable support; 535, Fourth horizontally adjustable support; 536, Diagonally adjustable support. Detailed Implementation

[0036] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0038] In this utility model, unless otherwise explicitly specified and limited, the terms "assembly," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0040] Example 1 Figures 4 to 13 This illustration shows one embodiment of the continuous beam outer mold of the present invention. The continuous beam outer mold of this embodiment includes, from top to bottom, a wing plate outer mold 2, a wing plate bottom mold 3, a web plate outer mold 4, and an adjustable back frame 5 for supporting the wing plate outer mold 2, the wing plate bottom mold 3, and the web plate outer mold 4; wherein... The wing plate bottom mold 3 includes a wing plate bottom mold body 31, a toothed block outer mold 32, a first toothed block end mold 33, and a second toothed block end mold 34. The toothed block outer mold 32 is slidably overlapped with the wing plate bottom mold body 31 along the inclined surface of the wing plate 12 of the continuous beam segment 1 and is rotatably set along the longitudinal direction of the bridge (e.g., hinged to the wing plate bottom mold body 31). The longitudinal direction of the bridge is the length direction of the bridge. Figure 5 The center direction is left-right), and correspondingly, the transverse direction is the width direction of the bridge ( Figure 4 (The middle is the left and right direction). On the one hand, the position of the tooth block outer mold 32 on the inclined surface of the wing plate 12 can be adjusted, and on the other hand, the included angle between the tooth block outer mold 32 and the wing plate bottom mold body 31 can be adjusted, so as to match the design position and shape of the tooth block 11 on the wing plate 12. The first tooth block end mold 33 and the second tooth block end mold 34 are arranged opposite each other along the longitudinal bridge direction and are slidably overlapped with the wing plate bottom mold body 31. The first tooth block end mold 33 and the second tooth block end mold 34 are rotatably arranged along the transverse bridge direction (for example, hinged to the wing plate bottom mold body 31). On the one hand, the position of the first tooth block end mold 33 and the second tooth block end mold 34 along the longitudinal bridge direction can be adjusted. On the other hand, the included angle between the first tooth block end mold 33 and the second tooth block end mold 34 and the wing plate bottom mold body 31 can be adjusted, so as to match the design position and shape of the tooth block 11 on the wing plate 12. The web outer mold 4 includes a web outer mold body 41 and a toothed block bottom mold 42. The toothed block bottom mold 42 is slidably overlapped with the web outer mold body 41 along the height direction of the continuous beam segment 1 and is rotatably set along the longitudinal direction of the bridge (e.g., hinged to the web outer mold body 41). On the one hand, the height of the toothed block bottom mold 42 can be adjusted, and on the other hand, the included angle between the toothed block bottom mold 42 and the web outer mold body 41 can be adjusted, so as to match the design position and shape of the toothed block 11 on the flange 12. The toothed block outer mold 32, the first toothed block end mold 33, and the second toothed block end mold 34 can be rotated to a flattened state to form the wing plate bottom mold 3 together with the wing plate bottom mold body 31. The toothed block bottom mold 42 can be rotated to a flattened state to form the web plate outer mold 4 together with the web plate outer mold body 41. See details. Figure 10 At this time, the outer mold 2 of the wing plate, the bottom mold 3 of the wing plate, and the outer mold 4 of the web plate can be used to make continuous beam segment 1 without toothed blocks 11. The outer mold 32, the first end mold 33, the second end mold 34, and the bottom mold 42 of the tooth block can be rotated to an enclosed state to form a cavity for casting the tooth block 11. See details. Figures 11 to 13 At this time, the outer mold 2 of the wing plate, the bottom mold 3 of the wing plate, and the outer mold 4 of the web plate can be used to form a continuous beam segment 1 with toothed blocks 11.

[0041] In this embodiment, when the flange 12 of the continuous beam segment 1 has no toothed blocks 11, the toothed block outer mold 32, the first toothed block end mold 33, and the second toothed block end mold 34 are in a flattened state, cooperating with the flange bottom mold body 31 to form the flange bottom mold 3. The toothed block bottom mold 42 is also in a flattened state, cooperating with the web outer mold body 41 to form the web outer mold 4, which can be directly cast. When the flange 12 of the continuous beam segment 1 is designed with toothed blocks 11, the toothed block outer mold 32 is adjusted according to the position and shape of the toothed blocks 11. The angles and positions of the first tooth block end mold 33, the second tooth block end mold 34, and the tooth block bottom mold 42 are adjusted to form a cavity for casting the tooth block 11. The adjustable back frame 5 can adjust the shape and continue to provide support for the tooth block outer mold 32, the first tooth block end mold 33, the second tooth block end mold 34, and the tooth block bottom mold 42 when rotated to the enclosed state. This allows for the casting of a continuous beam segment 1 with tooth blocks 11 on the wing plate 12, without the need for repeated cutting and assembling of wooden molds, which helps to save construction time and improve construction efficiency.

[0042] See details Figure 5 In this embodiment, the tooth block outer mold 32 includes a tooth block outer mold mounting part 321 and a tooth block outer mold body 322. The tooth block outer mold mounting part 321 is slidably attached to the wing plate bottom mold body 31 along the inclined surface of the wing plate 12, thereby adjusting the position of the tooth block outer mold 32 as a whole on the inclined surface of the wing plate 12. The tooth block outer mold body 322 is rotatably connected to the tooth block outer mold mounting part 321 (for example, hinged to the tooth block outer mold mounting part 321), thereby adjusting the angle of the tooth block outer mold body 322. The structure is simple and the adjustment operation is convenient.

[0043] Furthermore, in this embodiment, the tooth block outer mold mounting part 321 and / or the wing plate bottom mold body 31 are provided with a waist-shaped hole (not shown in the figure) along the inclined surface of the wing plate 12. The tooth block outer mold mounting part 321 and the wing plate bottom mold body 31 are detachably connected by fasteners (not shown in the figure, such as pins, screws, or bolts, which will not be described in detail) provided in the waist-shaped hole. When it is necessary to adjust the position of the tooth block outer mold 32 as a whole on the inclined surface of the wing plate 12, the fasteners are first removed, and then the tooth block outer mold 32 is slid along the inclined surface of the wing plate 12. After it is in place, the fasteners are reinstalled. The structure is simple, reliable, and easy to adjust.

[0044] In this embodiment, the second toothed end mold 34 includes a second toothed end mold mounting part 341 and a second toothed end mold body 342. The second toothed end mold mounting part 341 is slidably attached to the flange bottom mold body 31 along the longitudinal direction of the bridge, thereby adjusting the overall longitudinal position of the second toothed end mold 34. The second toothed end mold body 342 is rotatably connected to the second toothed end mold mounting part 341 (for example, hinged to the second toothed end mold mounting part 341), thereby adjusting the angle of the second toothed end mold body 342. The structure is simple and the adjustment operation is convenient. The longitudinal position of the first toothed end mold 33 can be fixed, serving as the positioning reference for the entire continuous beam outer mold, or it can be adjustable. The adjustment method of the longitudinal position of the first toothed end mold 33 and the angle between it and the flange bottom mold body 31 can refer to the second toothed end mold 34, and will not be repeated here.

[0045] In this embodiment, the toothed block bottom mold 42 includes a toothed block bottom mold mounting part 421 and a toothed block bottom mold body 422. The toothed block bottom mold mounting part 421 is slidably overlapped with the web outer mold body 41 along the height direction of the continuous beam segment 1, thereby adjusting the overall height of the toothed block bottom mold 42. The toothed block bottom mold body 422 is rotatably connected to the toothed block bottom mold mounting part 421 (e.g., hinged to the bottom mold mounting part 421), thereby adjusting the angle of the toothed block bottom mold body 422. The adjustment of the mounting positions of the second toothed block end mold mounting part 341 and the toothed block bottom mold mounting part 421 can be referred to the toothed block outer mold mounting part 321, and will not be described again.

[0046] See details Figures 6 to 9 In this embodiment, the adjustable back frame 5 includes a fixed back frame 51 and a movable back frame 52; wherein, The inner side of the fixed back frame 51 (i.e. the side of the fixed back frame 51 near the web plate 13) is provided with a first vertically adjustable support 511 that can extend and retract along the height direction of the continuous beam segment 1, and the top of the fixed back frame 51 is provided with a movable guide rail 512 along the transverse direction of the bridge. The movable back support 52 is slidably mounted on the moving guide rail 512 (e.g., mounted on the moving guide rail 512 via rollers, sliders, etc.). The movable back support 52 is equipped with at least a second vertically adjustable support 521 and a third vertically adjustable support 522 that can extend and retract along the height direction of the continuous beam segment 1, and a first horizontally adjustable support 523 and a second horizontally adjustable support 524 that can extend and retract along the transverse direction of the bridge. The second vertically adjustable support 521 is located inside the movable back support 52, and the third vertically adjustable support 522 is located outside the second vertically adjustable support 521. It is readily understood that, in some embodiments not shown, the number of vertically adjustable supports and horizontally adjustable supports can be set in multiple sets according to construction needs, thereby greatly improving the construction applicability of the continuous beam outer formwork.

[0047] See details Figure 10When the flange 12 of the continuous beam segment 1 is not designed with toothed blocks 11, each template corresponding to the toothed blocks 11 needs to be rotated to a flattened state. The first vertical adjustable support 511 is in an extended state, which can provide upward support for the flange bottom mold 3 (the flange bottom mold 3 will be subjected to downward force during casting), and at the same time can provide a certain inward support for the toothed block bottom mold 42 (the toothed block bottom mold 42 will be subjected to outward force during casting). The second vertical adjustable support 521 has a similar function to the first vertical adjustable support 511. The third vertical adjustable support 522 can provide upward support for the flange bottom mold 3. The first transverse adjustable support 523 and the second transverse adjustable support 524 can provide inward support for the toothed block bottom mold 42.

[0048] See details Figure 12 When the flange 12 of the continuous beam segment 1 is designed with toothed blocks 11, the movable back frame 52 moves outward along the moving guide rail 512, and the first vertical adjustable support 511 and the second horizontal adjustable support 524 retract to make way for the space required for casting the toothed blocks 11. The templates corresponding to the toothed blocks 11 need to be rotated to the enclosed state. The first vertical adjustable support 511 provides upward support for the first toothed block end mold 33, the second toothed block end mold body 342, the toothed block bottom mold body 422, etc. As the movable back frame 52 moves outward, the second vertical adjustable support 521 needs to extend to continue providing upward support for the wing plate bottom mold body 31, while providing inward support for the tooth block outer mold body 322. The third vertical adjustable support 522 also needs to extend to provide inward support for the wing plate outer mold 2. The first lateral adjustable support 523 provides upward support for the tooth block bottom mold body 422, and the second lateral adjustable support 524 provides inward support for the tooth block outer mold body 322.

[0049] Furthermore, in this embodiment, the height of the first lateral adjustable support 523 is adjustable, and the height of the second lateral adjustable support 524 is greater than the height of the first lateral adjustable support 523. The first lateral adjustable support 523 and the second lateral adjustable support 524 are detachably connected to the first vertical adjustable support 511, respectively. When the flange 12 of the continuous beam segment 1 is not designed with toothed blocks 11, the first lateral adjustable support 523 and the second lateral adjustable support 524 remain connected to the first vertical adjustable support 511, which facilitates the reliable fixing of the movable back frame 52 to the fixed back frame 51. When the movable back frame 52 moves outward, the first lateral adjustable support 523 extends and remains connected to the first vertical adjustable support 522, while the second lateral adjustable support 524 retracts and disconnects from the first vertical adjustable support 511. See details. Figure 11Since the longitudinal end faces of the toothed block 11 are inclined, the height of the upper end of each first vertical adjustable support 511 is also different. At this time, the height of the first horizontal adjustable support 523 can be adjusted to achieve a detachable connection with the corresponding first vertical adjustable support 511.

[0050] In a preferred embodiment, the first vertical adjustable support 511 is provided with a plurality of first mounting holes 513 along its length (or along the height direction of the continuous beam segment 1), and the first lateral adjustable support 523 and the second lateral adjustable support 524 are provided with second mounting holes 525 at one end near the first vertical adjustable support 511. The first mounting holes 513 and the second mounting holes 525 are detachably connected by fasteners (not shown in the figure, such as pins, bolts, screws, etc.), which is simple in structure, reliable in connection, and convenient in disassembly and assembly.

[0051] Preferably, the movable back frame 52 is provided with waist-shaped holes along the height direction of the continuous beam segment 1, and the first transverse adjustable support 523 is provided with waist-shaped holes along the transverse bridge direction. The two are connected by fasteners, so that the first transverse adjustable support 523 can both extend and retract relative to the movable back frame 52 in the transverse direction and move up and down relative to the movable back frame 52. The structure is simple and the adjustment is convenient.

[0052] The adjustable back frame 5 in this embodiment is suitable for improvement based on the existing first back frame b and second back frame c.

[0053] Example 2 Figures 14 to 15 This invention illustrates another embodiment of the continuous beam outer mold of the present invention. The continuous beam outer mold of this embodiment is basically the same as that of Embodiment 1, except that: In this embodiment, the adjustable back frame 5 includes a back frame body 53. The back frame body 53 is provided with a clearance area 531 for avoiding the toothed block 11, and at least a fourth vertically adjustable support member 532, a fifth vertically adjustable support member 533, a third horizontally adjustable support member 534, and a fourth horizontally adjustable support member 535 that can extend and retract along the bridge height direction, a third horizontally adjustable support member 534, and a fourth horizontally adjustable support member 535. The fourth vertically adjustable support member 532 is located inside the back frame body 53, and the fifth vertically adjustable support member 533 is located outside the fourth vertically adjustable support member 532. The height of the fourth horizontally adjustable support member 535 is greater than the height of the third horizontally adjustable support member 534. It is readily understood that in some embodiments not shown, the number of vertically adjustable supports and horizontally adjustable supports can be set in multiple sets according to construction needs, so as to greatly improve the construction applicability of the continuous beam outer formwork.

[0054] In this embodiment, the back frame body 53 is equivalent to the movable back frame 52 in Embodiment 1, which moves outward and connects to the fixed back frame 51 to form a whole. Compared with this embodiment, the back frame body 53 can eliminate the moving guide rail 512 on the fixed back frame 51 and the rollers or sliders on the movable back frame 52 in Embodiment 1, resulting in a simpler structure. It also eliminates the need for repeated moving and fixing of the movable back frame 52 during use, making it more convenient and efficient. The fourth vertical adjustable support 532 and the fifth vertical adjustable support 533 are equivalent to the first vertical adjustable support 511 and the second vertical adjustable support 521 in Embodiment 1, while the third horizontal adjustable support 534 and the fourth horizontal adjustable support 535 are equivalent to the first horizontal adjustable support 523 and the second horizontal adjustable support 524 in Embodiment 1.

[0055] See details Figure 14 In this embodiment, the back frame body 53 is also provided with an inclined adjustable support member 536 that can extend and retract along the inclined surface of the wing plate 12. When casting the continuous beam segment 1 without toothed blocks 11, the inclined adjustable support member 536 can provide good support for the bottom mold 3 of the wing plate.

[0056] Specifically, in the continuous beam outer formwork of the above embodiments of this application, each adjustable support member can be, for example, a support rod, a support tube, or a support column, and its specific telescopic structure is not limited. For example, it can be driven to telescopically by means of a cylinder, a hydraulic cylinder, or a screw.

[0057] Example 3 Construction method of the continuous beam external formwork in the above embodiment one: See details Figure 10 When the flange 12 of the continuous beam segment 1 is without toothed blocks 11, each of the first vertical adjustable support members 511 extends upward, which can push the bottom mold 42 of the toothed block, the first end mold 33 of the toothed block, and the second end mold 34 of the toothed block to rotate upward to a flattened state. After each of the first vertical adjustable support members 511 is adjusted and positioned, the movable back frame 52 moves inward along the moving guide rail 512, which can push the outer mold 32 of the toothed block to rotate upward to a flattened state. After the movable back frame 52 is positioned, the second vertical adjustable support member 521 and the third vertical adjustable support member 522 extend upward to provide support for the flange bottom mold 3. The first horizontal adjustable support member 523 and the second horizontal adjustable support member 524 are respectively fixedly connected to the corresponding first vertical adjustable support member 511, thereby fixing the movable back frame 52 on the fixed back frame 51, and then the casting can be carried out.

[0058] See details Figures 11 to 13When the flange 12 of the continuous beam segment 1 has toothed blocks 11, firstly disassemble the connection between the first lateral adjustable support 523, the second lateral adjustable support 524 and the corresponding first vertical adjustable support 511, then move the movable back frame 52 outward along the moving guide rail 512 to make room for casting the toothed blocks 11. The toothed block outer mold 32 can rotate downward to the enclosed state under the action of gravity, and each of the first vertical adjustable supports 511 retracts downward. The toothed block bottom mold 42, the first toothed block end mold 33 and the second toothed block... The block end mold 34 can rotate downwards to the enclosed state under the action of gravity. After each of the first vertical adjustable support members 511 is adjusted into place, the first horizontal adjustable support member 523 and the second horizontal adjustable support member 524 are respectively fixedly connected to the corresponding first vertical adjustable support member 511, thereby fixing the movable back frame 52 to the fixed back frame 51. The second vertical adjustable support member 521 and the third vertical adjustable support member 522 extend upwards to provide support for the wing plate bottom mold 3 and the wing plate outer mold 2, and then the casting can be carried out.

[0059] The construction method of the continuous beam outer formwork in Embodiment 2 can refer to the construction method of the continuous beam outer formwork in Embodiment 1. Since the back frame body 53 of the continuous beam outer formwork in Embodiment 2 is equivalent to the movable back frame 52 of the continuous beam outer formwork in Embodiment 1 moving outward and connecting with the fixed back frame 51 to form an integral whole, it is not necessary to repeatedly move and fix the movable back frame 52 during the construction process. Only the fourth vertical adjustable support 532, the fifth vertical adjustable support 533, the third horizontal adjustable support 534, the fourth horizontal adjustable support 535 and the diagonal adjustable support 536 need to be extended and retracted for adjustment.

[0060] See details Figure 14 When the flange 12 of the continuous beam segment 1 has no toothed block 11, the fourth vertical adjustable support 532 and the fifth vertical adjustable support 533 extend upwards, while the third horizontal adjustable support 534, the fourth horizontal adjustable support 535, and the oblique adjustable support 536 extend inwards, allowing for pouring. See details. Figure 15 When the flange 12 of the continuous beam segment 1 has toothed blocks 11, the fourth vertical adjustable support 532 and the fifth vertical adjustable support 533 retract downwards, and the third horizontal adjustable support 534, the fourth horizontal adjustable support 535 and the oblique adjustable support 536 retract outwards, and then the pouring can be carried out.

[0061] As can be seen from the above embodiments, the continuous beam external formwork and its construction method involved in this application can be used to cast continuous beam segments with and without toothed blocks on the flanges, without the need for repeated cutting and assembling of wooden formwork, saving construction time and achieving high construction efficiency.

[0062] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make many possible variations and modifications to the present invention, or modify it into equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention, without departing from the content of the present invention, should fall within the protection scope of the present invention.

Claims

1. A continuous beam outer formwork, characterized in that: It includes, from top to bottom, an outer mold (2) for the wing plate, a bottom mold (3) for the wing plate, an outer mold (4) for the web plate, and an adjustable back frame (5) for supporting the outer mold (2), the bottom mold (3), and the outer mold (4) for the web plate; wherein, The wing plate bottom mold (3) includes a wing plate bottom mold body (31), a tooth block outer mold (32), a first tooth block end mold (33), and a second tooth block end mold (34). The tooth block outer mold (32) is slidably overlapped with the wing plate bottom mold body (31) along the inclined surface of the wing plate (12) of the continuous beam segment (1) and is rotatably arranged along the longitudinal direction of the bridge. The first tooth block end mold (33) and the second tooth block end mold (34) are arranged opposite to each other along the longitudinal direction of the bridge and are slidably overlapped with the wing plate bottom mold body (31). The first tooth block end mold (33) and the second tooth block end mold (34) are rotatably arranged along the transverse direction of the bridge. The web outer mold (4) includes a web outer mold body (41) and a toothed block bottom mold (42). The toothed block bottom mold (42) is slidably overlapped with the web outer mold body (41) along the height direction of the continuous beam segment (1) and is rotatably set along the longitudinal direction of the bridge. The tooth block outer mold (32), the first tooth block end mold (33) and the second tooth block end mold (34) can be rotated to a flattened state to form the wing plate bottom mold (3) together with the wing plate bottom mold body (31). The tooth block bottom mold (42) can be rotated to a flattened state to form the web plate outer mold (4) together with the web plate outer mold body (41). The outer mold (32), the first end mold (33), the second end mold (34), and the bottom mold (42) of the tooth block can be rotated to form a cavity for casting the tooth block (11).

2. The continuous beam outer formwork according to claim 1, characterized in that: The tooth block outer mold (32) includes a tooth block outer mold mounting part (321) and a tooth block outer mold body (322). The tooth block outer mold mounting part (321) is slidably attached to the wing plate bottom mold body (31) along the inclined surface of the wing plate (12). The tooth block outer mold body (322) is rotatably connected to the tooth block outer mold mounting part (321).

3. The continuous beam outer formwork according to claim 2, characterized in that: The tooth block outer mold mounting part (321) and / or the wing plate bottom mold body (31) are provided with waist-shaped holes along the inclined surface of the wing plate (12). The tooth block outer mold mounting part (321) and the wing plate bottom mold body (31) are detachably connected by fasteners provided in the waist-shaped holes.

4. The continuous beam outer formwork according to claim 1, characterized in that: The second tooth block end mold (34) includes a second tooth block end mold mounting part (341) and a second tooth block end mold body (342). The second tooth block end mold mounting part (341) is slidably attached to the wing plate bottom mold body (31) along the bridge direction, and the second tooth block end mold body (342) is rotatably connected to the second tooth block end mold mounting part (341).

5. The continuous beam outer formwork according to claim 1, characterized in that: The toothed block bottom mold (42) includes a toothed block bottom mold mounting part (421) and a toothed block bottom mold body (422). The toothed block bottom mold mounting part (421) is slidably overlapped with the web outer mold body (41) along the height direction of the continuous beam segment (1). The toothed block bottom mold body (422) is rotatably connected to the toothed block bottom mold mounting part (421).

6. The continuous beam outer formwork according to any one of claims 1 to 5, characterized in that: The adjustable back frame (5) includes a fixed back frame (51) and a movable back frame (52); wherein, The fixed back frame (51) is provided with a first vertically adjustable support (511) that can extend and retract along the height direction of the continuous beam segment (1) on the inner side, and a movable guide rail (512) is provided on the top of the fixed back frame (51) along the transverse direction of the bridge. The movable back frame (52) is slidably mounted on the moving guide rail (512). The movable back frame (52) is provided with at least a second vertically adjustable support member (521) and a third vertically adjustable support member (522) that can extend and retract along the height direction of the continuous beam segment (1), a first horizontally adjustable support member (523) and a second horizontally adjustable support member (524) that can extend and retract along the transverse direction of the bridge. The second vertically adjustable support member (521) is located inside the movable back frame (52), and the third vertically adjustable support member (522) is located outside the second vertically adjustable support member (521).

7. The continuous beam outer formwork according to claim 6, characterized in that: The height of the first horizontally adjustable support (523) is adjustable, and the height of the second horizontally adjustable support (524) is greater than the height of the first horizontally adjustable support (523). The first horizontally adjustable support (523) and the second horizontally adjustable support (524) are detachably connected to the first vertically adjustable support (511).

8. The continuous beam outer formwork according to claim 7, characterized in that: The first vertical adjustable support (511) is provided with a plurality of first mounting holes (513) along the length direction. The first horizontal adjustable support (523) and the second horizontal adjustable support (524) are provided with a second mounting hole (525) at one end near the first vertical adjustable support (511). The first mounting holes (513) and the second mounting holes (525) are detachably connected by fasteners.

9. The continuous beam outer formwork according to any one of claims 1 to 5, characterized in that: The adjustable back frame (5) includes a back frame body (53), which has a clearance area (531) for avoiding the toothed block (11) and at least a fourth vertical adjustable support (532), a fifth vertical adjustable support (533), a third horizontal adjustable support (534), and a fourth horizontal adjustable support (535) that can extend and retract along the height direction of the continuous beam segment (1). The fourth vertical adjustable support (532) is located inside the back frame body (53), and the fifth vertical adjustable support (533) is located outside the fourth vertical adjustable support (532). The height of the fourth horizontal adjustable support (535) is greater than the height of the third horizontal adjustable support (534).

10. The continuous beam outer formwork according to claim 9, characterized in that: The back frame body (53) is also provided with an obliquely adjustable support (536) that can extend and retract along the inclined surface of the wing plate (12).

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