Anti-deformation box culvert template auxiliary device

Abstract

The utility model provides an anti-deformation box culvert template auxiliary device, and relates to the field of box culvert manufacture, the anti-deformation box culvert template auxiliary device comprises end face templates arranged on the two end faces and side face templates on the two side faces, the end face templates and the side face templates are spliced to form a pouring cavity, a wrapping sleeve is arranged between the two side face templates, and the wrapping sleeve is connected with the box culvert template. And an opposite-pull screw rod is connected into the wrapping sleeve in a sleeved mode and penetrates through the side face formwork, and a fixing nut is fixedly installed at one end of the opposite-pull screw rod. According to the anti-deformation box culvert formwork auxiliary device, a formwork part is in lap joint with a poured part and connected with the poured part through split bolts, meanwhile, a wrapping sleeve and a connector are connected and aligned to a stepped hole, fixing is achieved through the split bolts, and fixing is conducted through a supporting frame; through the arrangement, the end face formworks and the side face formworks can be connected into a whole at any time, the device strength is improved, and formwork shifting deformation during vertical part pouring is avoided.

Description

Technical Field

[0001] This utility model relates to the field of box culvert manufacturing technology, specifically to an auxiliary device for anti-deformation box culvert templates. Background Technology

[0002] A box culvert is a culvert constructed using reinforced concrete box-shaped pipe sections. It consists of one or more square or rectangular sections, typically made of reinforced concrete or masonry. Box culvert construction generally employs cast-in-place methods. A bottom layer of concrete is laid in an excavated trench, followed by the pouring of a concrete foundation. Then, the pre-fabricated reinforcing bars are tied on-site, and inner and outer formwork is erected. For larger box culverts, the bottom slab and the lower half of the side walls are typically poured first, followed by the tying of the upper side walls and top slab reinforcement. The inner and outer formwork are then erected, and the upper half of the side walls and top slab are poured. Once the concrete reaches the designed strength, the formwork is removed, and backfilling is performed simultaneously on both sides of the box culvert.

[0003] During the pouring process, the bottom part of the box culvert generally does not have formwork deformation due to the smaller vertical distribution. At the same time, the top part is not easy to deform due to internal support. However, the vertical parts on both sides are prone to deformation towards the sides due to concrete compression during the pouring process, which may result in the poured part not meeting the requirements.

[0004] Existing patent "CN222253130U" discloses a large-span aluminum formwork anti-deformation adjustment device, including aluminum formwork, adjustment components, connecting components, and fixing components; several aluminum formworks are arranged horizontally in sequence on the inner and outer sides of a reinforced concrete retaining wall; several adjustment components are set above the corresponding aluminum formworks, and the adjustment components include adjustment frames, with pins passing through through holes and positioning holes and extending into the aluminum formwork; the connecting components are set on the left and right sides of the adjustment components to connect adjacent adjustment components, and the connecting components include ear plates, folding blocks, and pin shafts; the fixing components include water-stop screws, hinged bases, first threaded sleeves, first support screws, second threaded sleeves, and second support screws.

[0005] This technical solution uses hinged connecting templates to connect them into a single unit, thereby increasing the overall strength. It also uses external support mechanisms to support the templates, thus preventing deformation. This solves the technical problems of existing aluminum template construction methods, such as easy movement or complete deformation at the splicing points, inability to keep the aluminum templates at the same level, and affecting the overall quality of aluminum template installation. However, this technical solution cannot solve the problem of casting deformation caused by the overall expansion of a single template. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides an anti-deformation box culvert formwork auxiliary device, which solves the problem of casting deformation caused by overall formwork deformation in the prior art.

[0007] Technical solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: an anti-deformation box culvert template auxiliary device, comprising end face templates at both ends and side face templates on both sides, wherein the end face templates and side face templates are spliced ​​together to form a casting cavity, a sleeve is provided between the two side face templates, a tie rod is sleeved inside the sleeve, the tie rod penetrates the side face template, a fixing nut is fixedly installed at one end of the tie rod, and a locking nut is threaded to the other end of the tie rod, a connector is sleeved on the outer surface of the sleeve, an extension sleeve is fixedly connected to the outer surface of the connector, the tie rod is sleeved inside the extension sleeve and threaded to the connector, the tie rod penetrates the end face template, and the locking nut is threaded to the end of the tie rod located outside the end face template.

[0009] Furthermore, there are multiple wrapping sleeves, and the connectors are respectively wrapped around the outer surfaces of the wrapping sleeves at different heights and at different distances from the end face template.

[0010] Furthermore, the end face template and the side template are collectively referred to as templates. The inner side of the template is provided with a stepped hole to accommodate the extension sleeve and the wrapping sleeve, and the tie rod is sleeved inside the stepped hole.

[0011] Furthermore, the two sides of the side template are flush with the end template, the two sides of the end template extend outward, and "T" shaped baffles are inserted into the two sides of the end template. The baffles are flush with the outer side of the side template. Threaded holes are opened on the outer side of the side template, and bolts are sleeved and connected to the middle of the baffles. The bolts are threadedly connected to the threaded holes.

[0012] Furthermore, washers are fitted on both sides of the pull screw, and the diameter of the washers is larger than the diameter of the fixing nut and the locking nut.

[0013] Furthermore, a snap-fit ​​crossbeam is fixedly installed on the outer surface of the end face template, and a support frame for supporting the template is snapped onto the outer surface of the snap-fit ​​crossbeam.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. This anti-deformation box culvert formwork auxiliary device is designed to overlap the formwork with the already poured section and connect it to the poured section via tie bolts. At the same time, the wrapping sleeve and connector are connected and aligned with the stepped holes. It is fixed by tie rods and then by a support frame. This design allows the end formwork and side formwork to be connected into one unit at the same time, increasing the strength of the device and preventing deformation of the formwork during the pouring of the vertical section.

[0016] 2. The anti-deformation box culvert formwork auxiliary device has side formwork that is flush with the end formwork on both sides, and the end formwork extends outward on both sides. "T"-shaped baffles are inserted into both sides of the end formwork, and the baffles are flush with the outer side of the side formwork. Threaded holes are opened on the outer side of the side formwork, and bolts are connected to the middle of the baffles. The bolts are threaded into the threaded holes. This arrangement can connect the end formwork and the side formwork together from the outside, thereby increasing the connection strength of the device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the end face template connection of this utility model;

[0019] Figure 3 This is a half-sectional schematic diagram of the connector of this utility model;

[0020] Figure 4 This is a schematic diagram of the side template connection of this utility model;

[0021] Figure 5 This is a partial schematic diagram of the side template of this utility model.

[0022] The components include: 1. End face template; 2. Side template; 3. Wrapping sleeve; 4. Tie rod; 5. Fixing nut; 6. Locking nut; 7. Connector; 8. Extension sleeve; 9. Stepped hole; 10. Baffle; 11. Threaded hole; 12. Bolt; 13. Washer; 14. Snap-fit ​​crossbeam; 15. Support frame. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] See Figures 1-5An anti-deformation box culvert formwork auxiliary device includes end face formwork 1 set at both ends and side face formwork 2 on both sides. The end face formwork 1 and side face formwork 2 are spliced ​​to form a casting cavity. A wrapping sleeve 3 is set between the two side face formwork 2. A tie rod 4 is sleeved inside the wrapping sleeve 3. The tie rod 4 passes through the side face formwork 2. A fixing nut 5 is fixedly installed at one end of the tie rod 4. A locking nut 6 is threaded to the other end of the tie rod 4. A connector 7 is sleeved on the outer surface of the wrapping sleeve 3. An extension sleeve 8 is fixedly connected to the outer surface of the connector 7. The tie rod 4 is sleeved inside the extension sleeve 8 and threaded to the connector 7. The tie rod 4 passes through the end face formwork 1. The locking nut 6 is threaded to the end of the tie rod 4 located outside the end face formwork 1.

[0025] There are multiple wrapping sleeves 3, and the connectors 7 are respectively fitted onto the outer surface of the wrapping sleeves 3 at different heights and at different distances from the end face template 1. This arrangement can distribute the tensile force to different positions, thereby avoiding local deformation.

[0026] The end template 1 and the side template 2 are collectively referred to as templates. The inner side of the template is provided with a stepped hole 9 to accommodate the extension sleeve 8 and the wrapping sleeve 3. The tie rod 4 is sleeved inside the stepped hole 9. This arrangement allows the template to fit tightly with the extension sleeve 8 and the wrapping sleeve 3 to prevent grout leakage from the connection gap.

[0027] The two sides of the side template 2 are flush with the end template 1. The two sides of the end template 1 extend outward. "T" shaped baffles 10 are inserted into the two sides of the end template 1. The baffles 10 are flush with the outer side of the side template 2. Threaded holes 11 are opened on the outer side of the side template 2. Bolts 12 are sleeved and connected to the middle of the baffles 10. The bolts 12 are threadedly connected to the threaded holes 11. With this arrangement, the end template 1 and the side template 2 can be connected together from the outside, thereby increasing the connection strength of the device.

[0028] Washers 13 are fitted on both sides of the pull screw 4. The diameter of the washers 13 is larger than the diameter of the fixing nut 5 and the locking nut 6. This arrangement can distribute the tension of the pull screw 4, thereby making the force even.

[0029] The side templates 2 can be connected together by multiple plug-in splicing. The outer surface of the end template 1 is fixedly installed with a snap-fit ​​beam 14. The outer surface of the snap-fit ​​beam 14 is snapped with a support frame 15 for supporting the template. Two adjacent side templates 2 are guaranteed to be supported by one support frame 15. This setting can support the template.

[0030] In use, the bottom part of the box culvert is first cast using traditional templates and cast into a U-shape. The two protruding ends are reserved with wrapping sleeves 3 during the casting process. When casting the vertical sides, the template is overlapped with the cast part and connected to the cast part by tie bolts 12. At the same time, the wrapping sleeves 3 and connectors 7 are connected and aligned with the stepped holes 9. The tie rods 4 are used for fixing, and the support frame 15 is used for fixing. This setting allows the end template 1 and the side template 2 to be connected into one piece at the same time, increasing the strength of the device and preventing deformation of the template when the vertical part is cast.

[0031] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0032] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A deformation-resistant box culvert formwork auxiliary device, comprising end face formwork (1) provided at both ends and side face formwork (2) on both sides, characterized in that: The end face template (1) and the side template (2) are spliced ​​together to form a casting cavity. A wrapping sleeve (3) is provided between the two side templates (2). A tie rod (4) is sleeved inside the wrapping sleeve (3). The tie rod (4) passes through the side template (2). A fixing nut (5) is fixedly installed at one end of the tie rod (4). A locking nut (6) is threaded to the other end of the tie rod (4). The outer surface of the wrapping sleeve (3) is fitted with a connector (7), and the outer surface of the connector (7) is fixedly connected with an extension sleeve (8). The pull rod (4) is fitted inside the extension sleeve (8) and threadedly connected to the connector (7). The pull rod (4) passes through the end face template (1), and the locking nut (6) is threadedly connected to the end of the pull rod (4) located outside the end face template (1).

2. The anti-deformation box culvert formwork auxiliary device according to claim 1, characterized in that: The number of the wrapping sleeves (3) is multiple, and the connectors (7) are respectively fitted onto the outer surfaces of the wrapping sleeves (3) at different heights and at different distances from the end face template (1).

3. The anti-deformation box culvert formwork auxiliary device according to claim 2, characterized in that: The end face template (1) and the side template (2) are collectively referred to as templates. The inner side of the template is provided with a stepped hole (9) to accommodate the extension sleeve (8) and the wrapping sleeve (3). The pull screw (4) is sleeved inside the stepped hole (9).

4. The anti-deformation box culvert formwork auxiliary device according to claim 3, characterized in that: The two sides of the side template (2) are flush with the end template (1). The two sides of the end template (1) extend outward. "T" shaped baffles (10) are inserted into the two sides of the end template (1). The baffles (10) are flush with the outside of the side template (2). Threaded holes (11) are opened on the outside of the side template (2). Bolts (12) are sleeved and connected to the middle of the baffles (10). The bolts (12) are threadedly connected to the threaded holes (11).

5. The anti-deformation box culvert formwork auxiliary device according to claim 4, characterized in that: The pull screw (4) has washers (13) fitted on both sides, and the diameter of the washers (13) is larger than the diameter of the fixing nut (5) and the locking nut (6).

6. The anti-deformation box culvert formwork auxiliary device according to claim 5, characterized in that: The outer surface of the end face template (1) is fixedly installed with a snap-fit ​​crossbeam (14), and the outer surface of the snap-fit ​​crossbeam (14) is snapped with a support frame (15) for supporting the template.

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