Combined concrete formwork structure for secondary structure beam-column joint

Abstract

The utility model discloses a combined concrete formwork structure for a secondary structure beam-column joint, which comprises concrete formwork main bodies which can be spliced for use, a filling cavity is arranged in each concrete formwork main body, and a constructional column cavity is arranged between the two concrete formwork main bodies; a splicing assembly is assembled at the splicing position of the concrete formwork body, and countersunk head grooves are formed in the outer walls of the two sides of the concrete formwork body. A mounting hole is formed in the countersunk groove, a supporting piece is inserted into the mounting hole, and the supporting piece comprises a supporting screw rod and an anti-falling screw rod; the outer wall of the supporting screw rod is in threaded connection with a nut, and the nut is arranged in the countersunk head groove. An anti-falling screw groove is formed in the end part of the supporting screw rod, and an anti-falling screw rod is screwed in the anti-falling screw groove; according to the combined concrete formwork structure for the secondary structure beam-column joint, the problem of joint penetration in the horizontal direction and the vertical direction at the joint of a ring beam and a constructional column in a secondary structure formwork-removal-free system is solved, and the overall rigidity and stability of a masonry structure are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to building technical field, concretely for a kind of combined concrete form for secondary structure beam-column joint. BACKGROUND

[0002] For the masonry wall of height more than 4m, circle beam needs to be additionally arranged in the middle of wall, to ensure the rigidity and stability of masonry structure as a whole. The combined concrete form for masonry wall beam-column joint is a kind of prefabricated concrete form, which can replace the formwork of masonry middle circle beam. In the construction process of masonry wall, the general construction method is: first, masonry wall is built, and the position of circle beam is left, and then formwork is erected, concrete is poured, and formwork is removed. However, the above method has complex process, long construction period and high construction cost, and needs to be improved. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of combined concrete form for secondary structure beam-column joint to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of combined concrete form for secondary structure beam-column joint, including the concrete form main body that can be spliced, the inside of the concrete form main body is provided with filling cavity, and the construction column cavity is provided between two concrete form main bodies;

[0005] The splicing assembly is assembled at the splicing place of the concrete form main body, and the two side outer walls of the concrete form main body are both provided with countersunk groove;

[0006] The installation hole is formed in the inside of the countersunk groove, the support piece is inserted into the installation hole, and the support piece includes support screw and anti-drop screw;

[0007] The nut is screwed on the outer wall of the support screw, and the nut is arranged in the countersunk groove;

[0008] The anti-drop screw is screwed in the anti-drop screw groove formed in the end of the support screw;

[0009] The anti-drop cylinder is sleeved on the outside of the anti-drop screw, three limiting columns are mounted on the outer wall of the anti-drop cylinder, and the three limiting columns are distributed in triangle shape;

[0010] The helical groove matched with the support screw is formed in the inner wall of each limiting column.

[0011] As preferred in the utility model, the reverse internal thread is formed in the inner wall of the anti-drop cylinder, the reverse external thread is formed in the place where the outside of the anti-drop screw is attached to the anti-drop cylinder, and the reverse internal thread and the reverse external thread are matched.

[0012] The outer wall of the nut is provided with an annular rotating groove, and the end of the limiting column is arranged in the annular rotating groove.

[0013] The outer portion of the supporting screw rod is provided with a fixing ring at the inner wall of the filling cavity, the circumferential surface of the supporting screw rod is provided with an annular pressing piece, a spring and an annular rubber sheet.

[0014] The annular pressing piece is located on the upper side of the fixing ring, the spring is located on the upper side of the annular pressing piece, the annular rubber sheet is located on the lower side of the fixing ring, and the lower end edge of the annular pressing piece is fixedly provided with an extrusion block.

[0015] The splicing assembly comprises a clamping block arranged on one side wall of the concrete formwork main body and a clamping groove arranged on the other side wall of the concrete formwork main body, an elastic cavity is arranged in the clamping block, and an elastic member is arranged in the elastic cavity.

[0016] The two side walls of the clamping block are provided with inclined convex surfaces, and the two inner walls of the clamping groove are provided with inclined concave surfaces.

[0017] Compared with the prior art, the combination type concrete formwork structure for the secondary structure beam-column joint has the advantages that the structure design is reasonable, the formwork is not needed to be removed, the construction speed is high, the size error is small, the forming effect is good, the quality of the secondary structure masonry is improved, the structure is suitable for various masonry structures such as aerated blocks and bricks, the construction is simple and fast, and the practicality is high.

[0018] 1) The technology solves the node penetration problem of the horizontal and vertical directions of the intersection between the ring beam and the structural column in the secondary structure formwork system, and guarantees the overall rigidity and stability of the masonry structure.

[0019] 2) The prefabricated concrete formwork and the block are masonry at the same time, the formwork is replaced, and the formwork does not need to be removed in the later period, and the construction speed is high.

[0020] 3) The prefabricated concrete formwork is made of a special shaped mold, the size error is small, the forming effect is good, and the quality of the secondary structure masonry is improved.

[0021] 4) The structure is suitable for various masonry structures such as aerated blocks and bricks, the construction is simple and fast, and the practicality is high.

[0022] 5) After the concrete in the formwork is poured, the upper block of the ring beam can be directly masonry, and the waiting interval for the strength of the concrete is saved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view of the structure of the utility model;

[0024] Figure 2 It is a splicing diagram of the utility model;

[0025] Figure 3The utility model discloses a splicing assembly schematic view;

[0026] Figure 4 The utility model discloses a support frame schematic view;

[0027] Figure 5 The utility model discloses a prevent dropping cylinder schematic view.

[0028] In the drawing: 1, concrete formwork main body; 2, countersunk groove; 3, filling cavity; 4, support screw; 5, mounting hole; 6, construction column cavity; 7, clamping block; 8, clamping groove; 9, elastic cavity; 10, elastic member; 11, inclined convex surface; 12, inclined concave surface; 13, prevent dropping cylinder; 14, prevent dropping screw, 15, annular rotary groove; 16, fixed ring; 17, extrusion block; 18, annular pressing sheet; 19, annular rubber sheet; 20, spring; 21, prevent dropping screw groove; 22, nut; 23, limiting column; 24, helical groove. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0030] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0031] In the technical scheme, a combined concrete formwork structure for secondary structure beam-column joint includes concrete formwork main body 1 that can be spliced, filling cavity 3 is arranged in the inside of concrete formwork main body 1, construction column cavity 6 is arranged between two concrete formwork main bodies 1;Splicing assembly is assembled at the splicing of concrete formwork main body 1, and the both sides outer wall of concrete formwork main body 1 is all provided with countersunk groove 2;Mounting hole 5 is arranged in the inside of countersunk groove 2, and support piece is inserted in mounting hole 5, and the support piece includes support screw 4 and prevent dropping screw 14;Nut 22 is screwed on the outer wall of support screw 4, and nut 22 is arranged in countersunk groove 2;Prevent dropping screw groove 21 is arranged at the end of support screw 4, and prevent dropping screw 14 is screwed in the inside of prevent dropping screw groove 21;Prevent dropping cylinder 13 is sleeved on the outside of prevent dropping screw 14, three limiting columns 23 are installed on the outer wall of prevent dropping cylinder 13, and the three limiting columns 23 are distributed in triangle shape;Spiral groove 24 that is matched with support screw 4 is arranged on the inner wall of each limiting column 23.

[0032] In the technical scheme, the formwork refers to a mold used for forming and supporting a concrete structure in construction, which can be used once or repeatedly, and the formwork is made of fine stone concrete and a shaped mold, which can be a steel mold, a plastic mold or a wooden mold, and the mold is prepared with a supporting member and a clamping structure, and two formworks 1 are spliced at the vertical center line of the construction column, one half of the formwork 1 is hollow and the other half is solid, and the hollow part is spliced with another formwork 1 at the construction column, so that the intersection of the vertical and horizontal directions of the ring beam and the construction column forms a cross-shaped cavity, and the ring beam mold beside the construction column is the same as the formwork 1, the ground is a full solid column, and the opening is upwardly stacked on the masonry wall to form a horizontal cavity.

[0033] In some technical schemes, the inner wall of the anti-falling cylinder 13 is provided with a reverse internal thread, the outer part of the anti-falling screw rod 14 is provided with a reverse external thread at the bonding part with the anti-falling cylinder 13, and the reverse internal thread and the reverse external thread are matched.

[0034] In the technical scheme, the thread on the outer part of the anti-falling screw rod 13 is divided into two parts, the front part is matched with the internal thread of the anti-falling screw groove 12, and the rear part is matched with the reverse internal thread of the anti-falling cylinder 13, so as to install the anti-falling cylinder 13 on the outer part of the anti-falling screw rod 12.

[0035] In some technical schemes, the outer wall of the nut 11 is provided with an annular rotating groove 15, and the end part of the limiting column 21 is arranged in the annular rotating groove 15.

[0036] In the technical scheme, when the anti-falling screw rod 14 is screwed into the anti-falling screw groove 12, the anti-falling cylinder 13 rotates, and when the limiting column 21 contacts the nut 11, it can rotate in the annular rotating groove 15 until it contacts the inner wall of the annular rotating groove 15, so as to push the nut 11 and limit the circumference.

[0037] In some technical schemes, the outer part of the supporting screw rod 10 is fixedly provided with a fixed ring 16 at the upper end, and the circumferential surface of the fastening screw rod 14 is sleeved with an annular pressing sheet 18, a spring 20 and an annular rubber sheet 19.

[0038] In the technical scheme, when the rotating supporting screw rod 10 is rotated, the annular rubber sheet 19 slides upward due to the through hole, and with further rotation, the annular rubber sheet 19 contacts the fixed ring 16, the annular rubber sheet 19 is deformed due to the fixed ring 16, the through hole is sealed, the spring 20 is located on the upper side of the annular pressing sheet 18, the annular pressing sheet 18 is pressed downward due to the spring 20, the pressing block 17 is pressed downward due to the annular pressing sheet 18, the edge of the annular rubber sheet 19 is further pressed by the pressing block 17, and thus the sealing effect is improved, the annular pressing sheet 18 is located on the upper side of the fixed ring 16, the spring 20 is located on the upper side of the annular pressing sheet 18, the annular rubber sheet 19 is located on the lower side of the fixed ring 16, and the pressing block 17 is fixedly installed at the lower end edge of the annular pressing sheet 18.

[0039] In some technical schemes, the splicing assembly comprises a clamping block 7 installed on one side wall of the concrete formwork body 1 and a clamping groove 8 formed on the other side wall of the concrete formwork body 1, and a spring cavity 9 is formed in the clamping block 7, and an elastic member 10 is installed in the spring cavity 9.

[0040] In the technical scheme, when two concrete formwork bodies 1 are spliced, the clamping block 7 on one of the concrete formwork bodies 1 is clamped into the clamping groove 8 on the other concrete formwork body 1.

[0041] In some technical schemes, inclined convex surfaces 11 are formed on the two side walls of the clamping block 7, and inclined concave surfaces 12 are formed on the inner walls of the two sides of the clamping groove 8.

[0042] It should be noted that, in the present document, the terms such as first and second, and the like are used merely to differentiate one entity or action from another, and do not necessarily require or imply any such actual relationship or order between such entities or actions. In addition, the terms "comprising", "containing", or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that includes a list of elements not only includes those elements, but also includes other elements not expressly listed, or inherent to such process, method, article, or apparatus.

[0043] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent components can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described in the specification due to the consideration of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A combined concrete formwork structure for a secondary structural beam-column joint, comprising a concrete formwork body (1) that can be used in splicing, characterized in that: The inside of the concrete formwork body (1) is provided with a filling cavity (3), and a construction column cavity (6) is arranged between the two concrete formwork bodies (1); The splicing assembly is assembled at the splicing position of the concrete formwork body (1), and the two side walls of the concrete formwork body (1) are provided with countersunk grooves (2); The inside of the countersunk groove (2) is provided with a mounting hole (5), the mounting hole (5) is inserted with a supporting piece, and the supporting piece comprises a supporting screw (4) and an anti-escape screw (14); The outer wall of the supporting screw (4) is screwed with a nut (22), and the nut (22) is arranged in the countersunk groove (2); The end of the supporting screw (4) is provided with an anti-escape screw groove (21), and the anti-escape screw groove (21) is internally screwed with an anti-escape screw (14); The outer part of the anti-escape screw (14) is sleeved with an anti-escape cylinder (13), the outer wall of the anti-escape cylinder (13) is provided with three limiting columns (23), and the three limiting columns (23) are distributed in a triangular shape; The inner wall of each limiting column (23) is provided with a spiral groove (24) matched with the supporting screw (4).

2. A composite formwork structure for a beam-column joint of a secondary structure according to claim 1, wherein The inner wall of the anti-escape cylinder (13) is provided with a reverse internal thread, the outer part of the anti-escape screw (14) is provided with a reverse external thread at the place where it is attached to the anti-escape cylinder (13), and the reverse internal thread and the reverse external thread are matched.

3. A composite formwork structure for a beam-column joint of a secondary structure according to claim 2, wherein The outer wall of the nut (22) is provided with an annular rotating groove (15), and the end of the limiting column (23) is arranged in the annular rotating groove (15).

4. A composite formwork structure for beam-column joints of secondary structures according to claim 1, characterized in that, The inner wall of the filling cavity (3) is provided with a fixing ring (16) at the outer part of the supporting screw (4), and the circumferential surface of the supporting screw (4) is sleeved with an annular pressing piece (18), a spring (20) and an annular rubber piece (19).

5. A composite formwork structure for beam-column joints of secondary structures according to claim 4, characterized in that, The annular pressing piece (18) is located on the upper side of the fixing ring (16), the spring (20) is located on the upper side of the annular pressing piece (18), the annular rubber piece (19) is located on the lower side of the fixing ring (16), and the lower end edge of the annular pressing piece (18) is fixedly provided with an extrusion block (17).

6. A composite formwork construction for beam column joint of secondary structure as claimed in claim 1 wherein, The splicing assembly comprises a clamping block (7) arranged on one side wall of the concrete formwork body (1) and a clamping groove (8) arranged on the other side wall of the concrete formwork body (1), the inside of the clamping block (7) is provided with an elastic cavity (9), and the inside of the elastic cavity (9) is provided with an elastic piece (10).

7. A composite formwork structure for a beam column joint of a secondary structure as claimed in claim 6, wherein, The two side walls of the clamping block (7) are provided with inclined convex surfaces (11), and the two inner walls of the clamping groove (8) are provided with inclined concave surfaces (12).

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