Adjustable lintel formwork structure

Abstract

The utility model discloses an adjustable lintel formwork structure. The adjustable lintel formwork structure comprises a lintel pouring formwork mechanism. The lintel pouring formwork mechanism comprises a pouring bin, and formwork adjusting structures are assembled and connected to the two ends of the pouring bin correspondingly. Each template adjusting structure comprises a template, pulley yokes located on the outer side of the pouring bin are fixedly assembled and connected to the two ends of each template respectively, and rolling pulleys are installed at the bottoms of the pulley yokes; the side walls of the two sides of the pouring bin are fixedly connected with rails matched with the rolling pulleys. The formwork adjusting structure further comprises formwork supporting structures installed at the two ends of the pouring bin. The formwork supporting and jacking structure comprises a plurality of supporting and jacking frames fixedly connected to the pouring bin, and the supporting and jacking frames are in threaded connection with supporting and jacking rods supported and jacked on the formwork. According to the mode, an on-site prefabrication mode is adopted, and compared with a traditional wood formwork, the efficiency is higher, the flexibility is larger, operation is easier, the efficiency is higher, and meanwhile the percent of pass is higher.

Description

Technical Field

[0001] The utility model belongs to the technical field of lintel formwork, in particular to an adjustable lintel formwork structure. Background Art

[0002] During the construction of residential door openings, the lintels at the top of the doors are typically prefabricated on-site according to the doorway's dimensions. Traditional prefabricated lintel formwork typically utilizes wooden formwork reinforced with sickle clamps. Due to the varying sizes of door openings, a large number of wooden formwork must be prepared on-site for the pouring of the prefabricated lintels. Due to the poor turnover of wooden formwork, after pouring only three or four batches of lintels, some formwork becomes unusable, resulting in significant waste.

[0003] Furthermore, traditional wooden formwork requires support from various piles before pouring concrete. However, if the support is unstable, the formwork can swell, leading to concrete leakage. Therefore, on-site formwork is not only cumbersome but also has a high pouring failure rate.

[0004] Therefore, precast lintels are not only efficient but also have a high success rate. However, due to the large variations in door opening dimensions during construction, on-site casting using a single precast mold is difficult. Factory prefabrication, on the other hand, not only involves long wait times and transportation costs, but is also less efficient than traditional on-site wooden formwork.

[0005] Therefore, if lintels of different sizes can be cast using a prefabricated mold at the construction site, it will not only greatly improve the construction progress and reduce the difficulty of lintel construction, but also greatly simplify the construction steps and increase construction efficiency. Utility Model Content

[0006] Based on the above background, the purpose of the present invention is to provide an adjustable lintel formwork structure.

[0007] In order to achieve the above objectives, the present invention adopts the following technical solutions:

[0008] An adjustable lintel formwork structure, comprising a lintel casting formwork mechanism;

[0009] The lintel casting template mechanism includes a casting bin, and both ends of the casting bin are respectively equipped with template adjustment structures;

[0010] The template adjustment structure includes a template, both ends of which are fixedly connected to a pulley frame located outside the casting bin, and a rolling pulley is installed at the bottom of the pulley frame;

[0011] Tracks cooperating with rolling pulleys are fixedly connected to the side walls on both sides of the casting bin;

[0012] The template adjustment structure also includes a template support structure installed at both ends of the casting bin;

[0013] The template support structure includes a plurality of support frames fixedly connected to the casting bin, and the support frames are threadedly connected with support rods supported on the template.

[0014] Preferably, rails are fixedly connected to the left and right side walls of the casting bin respectively;

[0015] A slide rail groove is provided on the track, and the rolling pulley rolls in the slide rail groove.

[0016] Preferably, the upper ends of the left and right side walls of the template are respectively fixedly connected to mounting seats, and the pulley frame is fixedly connected to the mounting seats.

[0017] Preferably, the pulley frame includes a U-shaped wheel frame portion, and the rolling pulley is rotatably connected to the U-shaped wheel frame portion;

[0018] A connecting portion is integrally formed on the top of the U-shaped wheel frame portion, and the connecting portion is fixedly connected to the mounting seat;

[0019] The mounting seat is fastened to the template by a plurality of bolts.

[0020] Preferably, the front and rear ends of the casting bin are respectively fixedly connected to two L-shaped support frames spaced apart on the left and right sides;

[0021] The upper end of the L-shaped supporting frame is threadedly connected with a supporting rod.

[0022] Preferably, the outer end of the supporting rod is fixedly connected to a driving handwheel.

[0023] Preferably, a top seat cooperating with the supporting rod is fixedly connected to the template.

[0024] Preferably, the adjustable lintel formwork structure further includes a cover plate covering the top position of the casting bin.

[0025] Preferably, the left and right sides of the top of the cover plate are respectively provided with long strip sliding openings spaced apart from each other;

[0026] The top of the U-shaped wheel frame portion is fixedly connected with a slide bar which is slidably connected in the long strip slide opening.

[0027] The utility model has the following beneficial effects:

[0028] 1. During the working process, the operator pushes the templates on both sides in advance. During the pushing process, the rolling pulleys connected to the two sides of the template roll in the track. Therefore, the resistance during the pushing process is small. When the distance between the templates is pushed to correspond to the length of the processed lintel, the operator sprays a release agent on the template, and then pours concrete between the templates. After the concrete solidifies, the templates on both sides are separated to achieve demoulding. This method can be used to cast lintels of various specifications in a flexible and adjustable manner according to the length of the lintel during the on-site casting process. In addition, this method adopts on-site prefabrication, which is not only more efficient and more flexible than traditional wooden formwork, but also simpler to operate, more efficient, and has a higher pass rate.

[0029] 2. During operation, after the formwork is adjusted to the corresponding position, the operator turns the drive handwheel. Under the action of the threaded support rod, the inner end of the support rod contacts the top seat. At this time, when the operator pumps concrete in, the formwork is subjected to the expansion force of the concrete, but because it is supported by the support rod, the formwork will not loosen. This method ensures high stability after pouring concrete.

[0030] 3. During the pouring process, in order to protect the pouring materials, a cover plate is set at the top of the pouring bin. The setting of the cover plate ensures that the poured concrete materials are in a relatively sealed and protected environment, thereby improving the curing efficiency of the concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0032] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0033] Figure 2 This is a structural diagram of the template adjustment structure in an embodiment of the present utility model;

[0034] Figure 3 This is a schematic structural diagram of the pulley frame in an embodiment of the present utility model;

[0035] Figure 4 This is a structural diagram of a pouring bin in an embodiment of the present utility model;

[0036] Figure 5 It is a front view of an embodiment of the present utility model.

[0037] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0040] In addition, in this utility model, the descriptions of "first" and "second" are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features specified as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0041] Example 1

[0042] like Figure 1-5 As shown, an adjustable lintel formwork structure includes a lintel casting formwork mechanism; the door opening lintel is flexibly cast on site through the lintel casting formwork mechanism, and lintels of different sizes can be cast.

[0043] Specifically, the lintel casting template mechanism includes a casting bin 1 , the longitudinal cross-section of which is a U-shaped structure and is made of stainless steel plates.

[0044] The front and rear ends of the casting bin 1 are respectively connected with a template adjustment structure 5. The template adjustment structure 5 is used to adjust the casting process according to the size of the lintel.

[0045] Each template adjustment structure 5 includes a template 51 (made of stainless steel). A pulley frame 52 located outside the casting bin 1 is fixedly attached to each end of the template 51. A rolling pulley 53 is mounted on the bottom of the pulley frame 52. Correspondingly, tracks 2 that cooperate with the rolling pulleys 53 are fixedly attached to the side walls of the casting bin 1 (specifically, tracks 2 are fixedly attached to the left and right side walls of the casting bin 1; the tracks 2 have guide rail grooves 21 formed therein, and the rolling pulleys 53 roll within these grooves).

[0046] Specifically, mounting seats 521 are fixedly connected to the upper ends of the left and right side walls of the template 51, and the pulley frame 52 is fixedly connected to the mounting seats 521. The pulley frame 52 is shaped as follows: the pulley frame 52 includes a U-shaped pulley frame portion, and the rolling pulley 53 is rotatably connected to the U-shaped pulley frame portion; the top of the U-shaped pulley frame portion is integrally formed with a connecting portion, which is fixedly connected to the mounting seats 521; the mounting seats 521 are fastened to the template 51 via a plurality of bolts.

[0047] During operation, the operator pre-pushes the templates 51 on both sides. During this process, the rolling pulleys 53 connected to the templates 51 roll within the track 2. This reduces resistance during the push. When the spacing between the templates 51 matches the length of the lintel to be machined, the operator sprays a release agent on the templates 51 and then pours concrete between the templates 51. After the concrete sets, the templates 51 on both sides are separated to release the templates.

[0048] During this process, in order to facilitate the grasp of the spacing between the templates 51 on both sides, scale marks are drawn on both sides of the top of the casting bin 1 in an existing manner to facilitate the grasp of the spacing between the templates 51.

[0049] Example 2

[0050] like Figure 1-5 As shown, based on the structure of Example 1, this embodiment further includes, during the pouring process, a template 51 adjustment structure 5 to maintain the positioning of the templates 51 on both sides and to resist the expansion force of the concrete slurry. The template 51 support structure is used to support the template 51 when it is adjusted to the corresponding position.

[0051] Specifically, the formwork support structure includes several support frames 31 fixedly connected to the casting bin 1 (specifically, two L-shaped support frames 31 spaced apart and fixedly connected to the front and rear ends of the casting bin 1). The upper ends of the support frames 31 are threadedly connected to support rods 32 that support the formwork 51. The outer ends of the support rods 32 are fixedly connected to the driving handwheel.

[0052] Correspondingly, a top seat that cooperates with the supporting rod 32 is fixedly connected to the template 51.

[0053] During the working process, when the template 51 is adjusted to the corresponding position, the operator turns the driving hand wheel. Under the action of the threaded support rod 32, the inner end of the support rod 32 abuts against the top seat. At this time, after the operator pumps concrete in, the template 51 is subjected to the expansion force of the concrete, and because it is supported on the support rod 32, the template 51 will not loosen.

[0054] After pouring and forming, the operator moves the supporting rod 32 away from the template 51 and then unloads the formed lintel.

[0055] Example 3

[0056] like Figure 1-5 As shown, based on the structure of Example 2, during the pouring process, in order to protect the pouring material, the above-mentioned adjustable lintel template 51 structure also includes a cover plate 4 covering the top position of the pouring bin 1.

[0057] Correspondingly, the top of the cover plate 4 is provided with elongated sliding openings 41 spaced apart from each other on both sides. A sliding bar 522 is fixedly connected to the top of the U-shaped wheel frame, which slides within the elongated sliding openings 41. That is, when the template 51 moves, the U-shaped wheel frame and the sliding bar 522 slide within the elongated sliding openings 41, thus not affecting the adjustment of the template 51.

[0058] In the actual working process, a pumping port is provided at the center of the top of the cover plate 4 to facilitate concrete pumping. According to the existing method, the pumping port is blocked with a sealing plug (such as a rubber plug) to achieve a relatively sealed protection environment during the concrete forming process.

[0059] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. An adjustable lintel template structure, characterized in that: Including lintel casting formwork mechanism; The lintel casting template mechanism includes a casting bin, and both ends of the casting bin are respectively equipped with template adjustment structures; The template adjustment structure includes a template, both ends of which are fixedly connected to a pulley frame located outside the casting bin, and a rolling pulley is installed at the bottom of the pulley frame; Tracks cooperating with rolling pulleys are fixedly connected to the side walls on both sides of the casting bin; The template adjustment structure also includes a template support structure installed at both ends of the casting bin; The template support structure includes a plurality of support frames fixedly connected to the casting bin, and the support frames are threadedly connected with support rods supported on the template.

2. The adjustable lintel formwork structure according to claim 1, characterized in that: Tracks are fixedly connected to the left and right side walls of the casting bin respectively; A slide rail groove is provided on the track, and the rolling pulley rolls in the slide rail groove.

3. The adjustable lintel formwork structure according to claim 1, characterized in that: The upper ends of the left and right side walls of the template are respectively fixedly connected with mounting seats, and the pulley frame is fixedly connected to the mounting seats.

4. The adjustable lintel formwork structure according to claim 3, characterized in that: The pulley frame includes a U-shaped wheel frame portion, and the rolling pulley is rotatably connected to the U-shaped wheel frame portion; A connecting portion is integrally formed on the top of the U-shaped wheel frame portion, and the connecting portion is fixedly connected to the mounting seat; The mounting seat is fastened to the template by a plurality of bolts.

5. The adjustable lintel formwork structure according to claim 1, characterized in that: The front and rear ends of the casting bin are respectively fixedly connected to two L-shaped support frames spaced apart on the left and right sides; The upper end of the L-shaped supporting frame is threadedly connected with a supporting rod.

6. The adjustable lintel formwork structure according to claim 5, characterized in that: The outer end of the supporting rod is fixedly connected with a driving hand wheel.

7. The adjustable lintel formwork structure according to claim 6, characterized in that: A top seat matched with the supporting rod is fixedly connected to the template.

8. The adjustable lintel formwork structure according to claim 4, characterized in that: The adjustable lintel formwork structure also includes a cover plate covering the top position of the casting bin.

9. The adjustable lintel formwork structure according to claim 8, characterized in that: The left and right sides of the top of the cover plate are respectively provided with long strip sliding openings spaced apart from each other; The top of the U-shaped wheel frame portion is fixedly connected with a slide bar which is slidably connected in the long strip slide opening.

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