Steel die lap joint structure
By combining steel molds and angle steel, along with bolt connections and sealing strips, the problem of tight overlap between the large steel molds for the side walls and the already poured side walls was solved, improving grout leakage and alignment issues, and enabling low-cost recycling.
Patent Information
- Application Number
- CN202422894505.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-11-26
AI Technical Summary
In existing technologies, the contact between the large steel formwork for the side wall and the already poured side wall is not tight, which leads to problems such as grout leakage, misalignment, and uneven lines. In addition, the cost of custom-made large steel formwork for the side wall is high and it cannot be recycled.
The steel formwork overlap structure is adopted, which includes a combination of steel formwork and angle steel. The angle steel is arranged in an L-shape. The first part fits against the steel formwork, and the second part abuts against the end face of the side wall. The connection is made by bolts, combined with sealing strips, diagonal braces and horizontal braces, to ensure that the steel formwork and the side wall are tightly overlapped and prevent gaps from appearing.
It improved the grout leakage problem at the joints, ensured straight lines, reduced costs, and enabled the recycling of steel molds.
Smart Images
Figure CN223753701U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of side wall concrete construction, especially relates to a steel mould lap joint structure. BACKGROUND
[0002] Steel mould is a commonly used building formwork, mainly used for the construction of cast-in-place concrete structure. Steel mould has been widely used in modern building construction due to its high strength, large rigidity, good durability and other characteristics. Among them, the lap joint of the side face of the side wall large steel mould and the poured side wall is the most important part of the side wall concrete construction. The side wall large steel mould is lap jointed on the poured side wall, and the side wall large steel mould cooperates with the poured side wall to form a pouring surface, and the concrete wall surface is formed on the pouring surface.
[0003] The contact between the side wall large steel mould and the poured side wall is not tight, which causes the lap joint part of the side wall large steel mould and the poured side wall to appear the problem of slurry leakage, and further causes the new and old concrete to appear the problem of misalignment and linear irregularity. Therefore, in the existing solution, a whole side wall large steel mould is separately customized according to the size of the poured side wall to ensure that the lap joint with the poured side wall is tight, but this solution has high cost, and the separately customized whole side wall large steel mould cannot be recycled. SUMMARY
[0004] The utility model aims at providing a steel mould lap joint structure, which is tight, low in cost and recyclable.
[0005] To achieve this purpose, the utility model adopts the following technical scheme:
[0006] A steel mould lap joint structure is lap jointed on two side walls and used for cooperating with the side walls to form a wall body. The two side walls are both cast and formed, and the two side walls are parallel and have flush end faces. The steel mould lap joint structure comprises a steel mould and angle steels. The length of the steel mould is equal to the distance between the two side walls. Two angle steels are provided, and the two angle steels are both the same height as the steel mould and are respectively used for lap jointing the steel mould and the two side walls. The angle steel comprises a first part and a second part which are connected and arranged in an L shape. The outer side of the first part is connected to the steel mould along the length direction of the first part. The outer side of the second part abuts against the end face of the side wall.
[0007] As a preferred, a plurality of bolt holes are arranged at intervals along the length direction of the first part. A plurality of reserved holes are arranged on both sides of the length direction of the steel mould. A plurality of bolts pass through the plurality of bolt holes one by one and are screwed into the corresponding reserved holes to connect the steel mould and the two angle steels.
[0008] As a preferred, the width of the first part and the width of the second part are both 80 mm.
[0009] As preferred, the steel mold lap joint structure further comprises two sealing strips, which are attached to the outer side of the second part, and the sealing strips cover the second part.
[0010] As preferred, the sealing strips are attached to the outer side of the second part.
[0011] As preferred, the material of the sealing strips is high-density sponge, foam or rubber.
[0012] As preferred, the abutting areas of the two second parts are chamfered to a depth of 5-10mm.
[0013] As preferred, the steel mold lap joint structure further comprises diagonal braces, which are spaced apart, one end of the diagonal brace is fixed to the back of the steel mold, and the other end is fixed to the ground.
[0014] As preferred, the steel mold lap joint structure further comprises horizontal braces, which are spaced apart, the horizontal braces are arranged on the back of the steel mold, and both ends of the horizontal braces are fixed to the two sides of the steel mold in the length direction.
[0015] As preferred, the horizontal braces are welded to the steel mold.
[0016] The beneficial effects of the present application are as follows:
[0017] The utility model provides a kind of steel mold lap joint structure, lap joint in two side walls, for cooperation side wall forming wall body, two side walls are all casted and formed, two side walls are parallel and end surface flush, steel mold lap joint structure includes steel mold and angle steel, the length of steel mold is equal to the interval of two side walls, angle steel is equipped with two, two angle steels are all equal height with steel mold, respectively for lap joint steel mold and two side walls, angle steel includes first part and second part, which are connected and arranged in L type, the outer side of first part is attached and connected to steel mold along its length direction, the outer side of second part is abutted to the end surface of side wall, by above-mentioned setting, two angle steels respectively realize the lap joint of steel mold and two formed side walls, prevent the gap between the casting surface of steel mold and side wall, improve the leakage problem of lap joint, and can reduce cost, recycling. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a kind of steel mold lap joint structure provided by the utility model embodiment and is shown in the schematic diagram of lap joint in side wall;
[0019] Figure 2 It is the structure schematic diagram of angle steel provided by the utility model embodiment.
[0020] In the drawing:
[0021] 100, side wall; 1, steel mold; 2, angle steel; 21, first part; 211, bolt hole; 22, second part; 3, inclined brace; 4, horizontal brace. DETAILED DESCRIPTION
[0022] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are merely used to explain the utility model and not limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for the convenience of description, not all the structures.
[0023] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0024] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0025] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description and have no special meaning.
[0026] The embodiment provides a steel mold lap joint structure, which is lapped on two side walls, the lapped part is tight, the slurry leakage problem at the lapped part is improved, the line shape is straight, and the cost can be reduced, and the steel mold can be recycled.
[0027] Please refer to Figure 1The steel mold clamping structure comprises a steel mold 1 capable of being clamped on two cast side walls 100, the two side walls 100 are arranged in parallel and the end faces are flush, the steel mold 1 is clamped between the two side walls 100, and the wall is cast between the two side walls 100 through cooperation with the two side walls 100.
[0028] Specifically, the length of the steel mold 1 is equal to the distance between the two side walls 100, so that the two ends of the steel mold 1 in the length direction abut against the two side walls 100 respectively, and the wall is cast on the casting surface of the steel mold 1 and the space formed by the two side walls 100.
[0029] Further, the steel mold clamping structure further comprises two angle steels 2, the two angle steels 2 are respectively used for clamping the steel mold 1 and the two side walls 100, so as to ensure the connection of the casting surface of the steel mold 1 and the two side walls 100, prevent the gap between the casting surface of the steel mold 1 and the side wall 100, and improve the leakage problem of the clamping part.
[0030] For example, the two angle steels 2 are equal in height to the steel mold 1, so as to ensure that the two sides of the casting surface of the steel mold 1 are everywhere attached to the two side walls 100 along the height direction, and the improvement degree of the leakage problem is improved.
[0031] Please refer to Figure 1 and Figure 2 The angle steel 2 comprises a first part 21 and a second part 22 which are connected and arranged in L shape, the first part 21 is clamped on the steel mold 1, and the second part 22 is clamped on the side wall 100. Preferably, the width of the first part 21 and the second part 22 is 80mm, and the height of the first part 21 and the height of the second part 22 are set according to the actual size of the steel mold 1.
[0032] Optionally, the outside of the first part 21 of one of the angle steels 2 is attached to and connected to one side of the steel mold 1 along the length direction, and the outside of the second part 22 abuts against the end face of one of the side walls 100; the outside of the first part 21 of the other angle steel 2 is attached to and connected to the other side of the steel mold 1 along the length direction, and the outside of the second part 22 abuts against the end face of the other side wall 100. Through the above structure, the steel mold 1 is clamped on the two side walls 100, and the gap between the casting surface of the steel mold 1 and the side wall 100 is avoided, so as to improve the leakage problem of the clamping part.
[0033] Preferably, since the angle steel 2 is weak, the intersection of the first part 21 and the second part 22 is located on the side edge of the steel mold 1, so as to prevent the concrete slurry from being formed at the angle steel 2, avoid the cracking of the angle steel 2 during casting, and improve the structural strength of the cast wall.
[0034] To further improve the problem of slurry leakage, the steel mold lap joint structure further comprises two sealing strips, specifically, the sealing strips are attached to the outer side of the second part 22, the sealing strips cover the second part 22, and the sealing strips are clamped between the second part 22 and the side wall 100 and tightly adhere to the surface of the side wall 100 to play a role of stopping slurry. In the embodiment, the sealing strips are attached to the outer side of the second part 22 by adhesive tape or adhesive liquid, and the sealing strips are made of high-density sponge material, foam material or rubber material and have excellent sealing performance.
[0035] Further, the chiseling treatment is performed on the lap joint of the side wall 100, that is, the abutting area of the two side walls 100 and the two second parts 22, to increase the bonding area of the side wall 100 and the second part 22 and improve the lap joint strength. For example, the chiseling depth is 5-10 mm.
[0036] In the embodiment, the first part 21 of the angle steel 2 is bolted to the steel mold 1.
[0037] Optionally, a plurality of bolt holes 211 are arranged on the first part 21 along the length direction of the first part 21, a plurality of reserved holes are arranged on the two sides of the steel mold 1 along the length direction of the steel mold 1, and a plurality of bolts pass through the plurality of bolt holes 211 and the corresponding reserved holes to connect the steel mold 1 and the two angle steels 2.
[0038] It should be noted that the steel mold 1 comprises a panel, a left rib, a right rib and a back rib, the front surface of the panel is the pouring surface, the back rib is installed on the back surface of the panel, and the left rib and the right rib are respectively installed on the two sides of the panel along the length direction of the panel to support the panel.
[0039] In the embodiment, the left rib and the right rib of the steel mold 1 are both provided with a plurality of reserved holes along the height direction, a plurality of bolts pass through the plurality of bolt holes 211 on one of the first parts 21 and are screwed into the corresponding reserved holes on the left rib to connect the steel mold 1 and one of the angle steels 2, and a plurality of bolts pass through the plurality of bolt holes 211 on the other first part 21 and are screwed into the corresponding reserved holes on the right rib to connect the steel mold 1 and the other angle steel 2.
[0040] By arranging the bolt connection between the steel mold 1 and the angle steel 2, on the one hand, the installation of the angle steel 2 and the steel mold 1 can be completed on the ground, and on the other hand, the steel mold 1 and the angle steel 2 can be disassembled and recycled.
[0041] In the embodiment, the second part 22 of the angle steel 2 abuts against the side wall 100.
[0042] Preferably, the steel mold lap joint structure further comprises diagonal braces 3 for fixing the steel mold 1 to prevent displacement or deformation of the steel mold 1 during pouring. In the embodiment, one end of the diagonal brace 3 is fixed to the back rib on the back surface of the steel mold 1, and the other end is fixed to the ground. In other feasible embodiments, the other end of the diagonal brace 3 can also be fixed to other fixed structures. Further preferably, a plurality of diagonal braces 3 are arranged at intervals, and the angle between the diagonal brace 3 and the ground is 30-45°.
[0043] Preferably, the steel mold lap joint structure further comprises horizontal supports 4 for further fixing the steel mold 1, increasing the rigidity and stability of the steel mold 1, and preventing the steel mold 1 from displacement or deformation during pouring. In the embodiment, the horizontal supports 4 are arranged on the back of the steel mold 1, and the two ends of the horizontal supports 4 are fixed on the left rib and the right rib on the two sides of the steel mold 1 in the length direction. Further preferably, a plurality of horizontal supports 4 are arranged at intervals, the two ends of the horizontal supports 4 are welded on the left rib and the right rib of the steel mold 1 respectively, and the horizontal supports 4 are also welded on a plurality of points of the back rib to further improve the stability of the steel mold 1.
[0044] In summary, the steel mold lap joint structure provided by the embodiment comprises a steel mold 1 and two angle steels 2, and the two angle steels 2 are respectively used to realize the lap joint of the steel mold 1 and two formed side walls 100, prevent the gap between the pouring surface of the steel mold 1 and the side walls 100, improve the leakage problem of the lap joint, and can reduce the cost and be recycled.
[0045] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. A steel formwork overlapping structure, overlapping two side walls (100), used to cooperate with the side walls (100) to form a wall, wherein both side walls (100) are cast in place, and the two side walls (100) are parallel and have flush end faces, characterized in that, The steel mold lap joint structure comprises a steel mold (1) and angle steels (2), the length of the steel mold (1) is equal to the distance between two side walls (100), two angle steels (2) are arranged, the height of the two angle steels (2) is equal to that of the steel mold (1), and the two angle steels (2) are respectively used for connecting the steel mold (1) and the two side walls (100), the angle steel (2) comprises a first part (21) and a second part (22) which are connected and arranged in an L shape, the outer side of the first part (21) is connected to the steel mold (1) along the length direction of the first part (21), and the outer side of the second part (22) abuts against the end surface of the side wall (100).
2. A steel form lap joint structure according to claim 1, wherein A plurality of bolt holes (211) are arranged on the first part (21) along the length direction of the first part (21), a plurality of reserved holes are arranged on the two sides of the steel mold (1) in the length direction, a plurality of bolts are arranged in one-to-one correspondence with the plurality of bolt holes (211) and are screwed into the corresponding reserved holes, so as to connect the steel mold (1) and the two angle steels (2).
3. The steel form lap joint structure according to claim 1, wherein The width of the first part (21) and the width of the second part (22) are both 80 mm.
4. The steel form lap joint structure according to claim 1, wherein The steel mold lap joint structure further comprises two sealing strips, the sealing strips are arranged on the outer side of the second part (22), and the sealing strips cover the second part (22).
5. A steel form lap joint structure according to claim 4, wherein The sealing strips are arranged on the outer side of the second part (22).
6. A steel form lap joint structure according to claim 4, wherein The material of the sealing strips is high-density sponge, foam or rubber.
7. A steel form joint structure according to any one of claims 1 to 6, wherein The abutting areas of the two side walls (100) and the two second parts (22) are chiseled to a depth of 5-10 mm.
8. A steel form lap joint structure according to any one of claims 1 to 6, wherein The steel mold lap joint structure further comprises diagonal braces (3), a plurality of diagonal braces (3) are arranged at intervals, one end of the diagonal brace (3) is fixed to the back of the steel mold (1), and the other end is fixed to the ground.
9. A steel form lap joint structure according to any one of claims 1 to 6, wherein The steel mold lap joint structure further comprises horizontal braces (4), a plurality of horizontal braces (4) are arranged at intervals, the horizontal braces (4) are arranged on the back of the steel mold (1), and the two ends of the horizontal braces (4) are respectively fixed to the two sides of the steel mold (1) in the length direction.
10. A steel form lap joint structure according to claim 9, wherein The horizontal braces (4) are welded to the steel mold (1).