CN220395171U - Secondary joist square tube, secondary joist square tube assembly and floor formwork joint assembly - Google Patents

Abstract

The utility model provides a secondary keel square tube, a secondary keel square tube assembly and a floor formwork joint assembly. The secondary joist square tube assembly comprises a plurality of secondary joist square tubes, and the secondary joist square tubes are connected end to end in sequence through connecting pipes. The floor template joint assembly comprises the secondary joist square tube and a plurality of L-shaped material assemblies arranged in the square tube U-shaped groove of the secondary joist square tube. According to the utility model, the square pipe U-shaped groove is formed in the square pipe body, the L-shaped component consisting of the two L-shaped materials is buckled in the square pipe U-shaped groove, and when the square pipe U-shaped groove is installed, the two L-shaped materials are respectively and fixedly installed at the edges of two split floor templates to be spliced through screws, and the two L-shaped materials can be clamped through the square pipe U-shaped groove, so that the two split floor templates are mutually abutted, and the joint between the two split floor templates is reduced.

Description

Secondary joist square tube, secondary joist square tube assembly and floor formwork joint assembly

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a secondary joist square tube, a secondary joist square tube assembly and a floor formwork joint assembly.

Background

At present, when installing the loose-joint floor templates, joints between two adjacent loose-joint floor templates are usually 50 x 10 x 2000/3000/4000 square or 50 x 50 steel clad wood and the like as slab sub-keels, and then two loose-joint floor templates and the slab sub-keels are nailed together by using iron nails, so that the loose-joint floor templates form an integral floor template, and the subsequent pouring process is facilitated.

However, the above connection method is difficult to ensure the tightness between two adjacent split floor forms, and after long-time sunning and raining, the deformation of the floor forms easily causes extremely poor nail holding force between nails and battens/ladles/forms, the nails easily come out upwards, if the inspection of the return nails is incomplete before casting beam slab concrete, the slab concrete joints are easily caused to be staggered, and the nails are sunk into the concrete, so that the nails need to be treated after the form is removed. In addition, the floor templates are connected by using iron nails, so that workers are easily injured by the iron nails on the templates during the dismantling and cleaning operation, and the cleaning and transferring speed is extremely low; when materials are used in turnover, old nails on the floor templates are required to be removed, and new nails are used in next construction, so that labor cost and material cost are increased intangibly.

Disclosure of Invention

In order to solve the existing problems, the utility model provides the secondary joist square tube, the secondary joist square tube assembly and the floor template joint assembly which can improve the splicing compactness of the loose spliced floor templates and reduce the construction cost.

The utility model is realized by the following technical scheme: the utility model provides a secondary joist side pipe, includes hollow side pipe body, the panel of side pipe body is at least partly inwards sunken in order to form side pipe U-shaped groove.

Further, the square tube U-shaped groove extends along the axial direction of the square tube body.

The square tube U-shaped groove comprises a horizontal part positioned at the bottom and arc-shaped parts respectively connected with two sides of the horizontal part.

The utility model provides a secondary joist side pipe assembly, its includes a plurality of foretell secondary joist side pipes, connect end to end in proper order through the connecting pipe between the secondary joist side pipe.

The connecting pipe comprises a connecting square pipe with two ends respectively inserted into two adjacent square pipe bodies;

the panel of the connecting square tube is provided with a concave connecting U-shaped groove, and the outer surface of the connecting square tube is provided with an outward protruding butt joint part around the circumference of the connecting square tube; the end parts of two adjacent square pipe bodies are respectively abutted against the two ends of the abutting part, and the outer surface of the abutting part is leveled with the outer surface of the square pipe body.

A floor template joint assembly comprises the secondary joist square tube and a plurality of L-shaped material assemblies arranged in a square tube U-shaped groove of the secondary joist square tube; the L-shaped material components are distributed along the length direction of the square tube U-shaped groove.

The L-shaped section assembly comprises two L-shaped sections which are oppositely arranged left and right.

The L-shaped section comprises an L-shaped plate and two sector plates which are respectively connected with two ends of the L-shaped plate; the arc surface of the sector plate clings to the arc part of the square tube U-shaped groove.

Compared with the prior art, the embodiment of the application has the following beneficial effects:

(1) According to the utility model, the square pipe U-shaped groove is formed in the square pipe body, the L-shaped component consisting of the two L-shaped materials is buckled in the square pipe U-shaped groove, and when the square pipe U-shaped groove is installed, the two L-shaped materials are respectively and fixedly installed at the edges of two loose-joint floor templates to be spliced through screws, and the two L-shaped materials can be clamped through the square pipe U-shaped groove, so that the two loose-joint floor templates are mutually abutted tightly, the seam between the two loose-joint floor templates is reduced, and the problem of slurry leakage is prevented.

(2) According to the utility model, two split floor templates to be spliced are limited and fixed in a mode of buckling the U-shaped square tube grooves on the square tube body with the L-shaped section bar components, and iron nails are not needed, so that the problem of slab staggering of concrete joints of the floor is avoided; meanwhile, the old iron nails do not need to be treated like the traditional technology, and the labor cost and the material cost are reduced.

(3) The L-shaped material is provided with the sector plate matched with the arc-shaped part of the square tube U-shaped groove, so that the resistance of the installation and the removal of the floor template is minimized, and the construction is convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not limit the application. Like reference symbols in the various drawings indicate like elements. Wherein,

fig. 1 is a structural view of a cross runner square tube according to the present utility model.

Fig. 2 is an end view of the cross runner square tube of the present utility model.

Fig. 3 is a structural view of the connection pipe of the present utility model.

Figure 4 is a block diagram of the cross runner square tube assembly of the present utility model.

Fig. 5 is a block diagram of a floor form seaming assembly of the present utility model.

Fig. 6 is a structural view of the L-shaped material of the present utility model.

Fig. 7 is a view of the use of the floor form seaming assembly of the present utility model.

The reference numerals in the above figures are: the novel building block comprises a 1-square tube body, a 2-square tube U-shaped groove, a 3-horizontal part, a 4-arc part, a 5-connecting square tube, a 6-butt joint part, a 7-L-shaped plate, an 8-sector plate, a 9-split floor template, a 10-connecting U-shaped groove, an 11-L-shaped section assembly and a 12-L-shaped section.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that if the terms "first," "second," and the like are referred to in the specification, claims, and drawings of the present application, they are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, if the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like are referred to, the indicated azimuth or positional relationship is based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Further, in this application, the terms "mounted," "configured," "provided," "connected," "sleeved," and the like are to be construed broadly if they refer to. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example 1

As shown in fig. 1 and 2, this embodiment discloses a secondary joist square tube, which is used for supporting and limiting two loose-splice floor templates. The secondary keel square tube comprises a square tube body 1, wherein the square tube body 1 is of a hollow structure, and is made of high-strength steel, for example, alloy steel with yield strength of 1370MPa (140 kgf/mm < 2 >) or more and tensile strength of 1620MPa (165 kgf/mm < 2 >).

In order to play a better role in limiting and fixing, the panel of the square tube body 1 is at least partially inwards recessed to form a square tube U-shaped groove 2; that is, a square tube U-shaped groove 2 recessed toward the central axis direction of the square tube body 1 is provided on the panel of the square tube body 1. The square tube U-shaped groove 2 extends in the axial direction of the square tube body 1.

Specifically, as shown in fig. 2, the square-tube U-shaped groove 2 includes a horizontal portion 3 and arc-shaped portions 4 respectively connected to both sides of the horizontal portion 3. The horizontal part 3 forms the bottom of the square U-shaped groove 2, and the two arc parts 4 form the groove walls of the square U-shaped groove 2.

Example 2

Because the floor formwork is different in size from the supporting upright posts in setting up space, the secondary joist square tubes with different lengths are needed, and therefore, the secondary joist square tube assembly is provided in the embodiment.

As shown in fig. 3 and 4, the cross runner square tube assembly comprises a plurality of cross runner square tubes in the above embodiment 1, and the cross runner square tubes are sequentially connected end to end through connecting pipes to form a whole. When in construction, the number of the secondary joist square tubes and the connecting tubes can be determined according to the size of the floor template or the erection space of the supporting upright rods.

Specifically, as shown in fig. 3, the connecting pipe comprises a connecting square pipe 5, the shape of the connecting square pipe 5 is similar to that of the square pipe body 1, but the size of the connecting square pipe 5 is slightly smaller than that of the square pipe body 1, so that two ends of the connecting square pipe 5 can be respectively inserted into the two adjacent square pipe bodies 1, and the two adjacent square pipe bodies 1 can be connected together through the connecting square pipe 5.

Similarly, the panel of the square pipe 5 is provided with a concave connection U-shaped groove 10, and the shape of the U-shaped groove 10 is the same as that of the square pipe U-shaped groove 2.

In addition, the outer surface of the connecting square tube 5 is provided with an outwardly protruding butt joint part 6 around the circumference thereof, and the protruding height of the butt joint part 6 is matched with the outer diameter of the square tube body 1. During connection, two ends of the connecting square pipe 5 are respectively inserted into the two adjacent square pipe bodies 1, and the end surfaces of the two adjacent square pipe bodies 1 are respectively abutted against two ends of the abutting part 6; at this time, the outer surface of the butt joint part 6 is flush with the outer surface of the square pipe body 1, and the square pipe U-shaped grooves 2 on the two square pipe bodies 1 are also communicated through the butt joint part 6. The length of the square tube assembly of the secondary joist can be adjusted by increasing or decreasing the number of the square tube bodies 1 and the connecting tubes, and the applicability of the square tube assembly of the secondary joist is improved.

In this embodiment, the butt joint part 6 is located in the middle of the connecting square pipe 5, so that it can be ensured that the two ends of the connecting square pipe 5 are inserted into the adjacent two square pipe bodies 1 to the same depth. In addition, all can set up interior connecting tube bolted connection hole on side's pipe body 1 and the connection side's pipe 5, after connecting side's pipe 5 and side's pipe body 1 are connected, can adopt the screw tightening, make the connection between the two more stable.

Example 3

As shown in fig. 5, this embodiment is a floor form joint assembly composed of the cross runner square tube in embodiment 1, which includes the cross runner square tube in embodiment 1 and a plurality of L-shaped bar assemblies 11 provided in the square tube U-shaped grooves 2 of the cross runner square tube. The L-shaped components 11 are distributed along the length direction of the square tube U-shaped groove 2, and the number of the L-shaped components is determined by the size of the split floor template.

The L-profile assembly 11 comprises two L-profiles 12 arranged opposite one another from side to side. When in installation, two L-shaped sections 12 are respectively installed at the edges of the splicing ends of two adjacent loose-splice floor templates 9 to be spliced.

As shown in fig. 6, the L-profile 12 comprises an L-shaped plate 7 and two sector plates 8 connected to the two ends of the L-shaped plate 7, respectively.

Specifically, the L-shaped plate 7 is formed by connecting a vertical plate and a horizontal plate, and the fan-shaped plate 8 is respectively connected with the vertical plate and the horizontal plate. The horizontal plate is provided with screw holes, when in installation, screws are penetrated from the lower part of the horizontal plate and screwed into the lower surface of the loose-spliced floor template 9, so that the L-shaped materials 12 are fixed below the edge of the splicing end of the loose-spliced floor template 9, then the L-shaped materials 12 on two adjacent loose-spliced floor templates 9 are clamped by a secondary keel square tube, the L-shaped materials 12 on the two adjacent split floor templates 9 are clamped into the square tube U-shaped groove 2 on the square tube of the secondary joist, the secondary joist square tube is positioned below the splicing seams of the two split floor templates 9, and finally the secondary joist square tube is propped up from the lower side by using a clamp, as shown in fig. 7.

In this embodiment, two L-shaped materials 12 fixed on two spliced split floor templates 9 can be clamped through the square tube U-shaped groove 2, so that the two split floor templates 9 are limited and fixed, the two split floor templates 9 are mutually abutted, the joint between the two split floor templates 9 is reduced, and the problem of slurry leakage is prevented.

In addition, when two L section bars 12 card go into square pipe U-shaped groove 2, the arcwall face of the sector plate 8 on two L section bars 12 hugs closely the arcwall portion 4 of square pipe U-shaped groove 2, through the cooperation effect of arcwall face and arcwall portion 4 for the installation of floor template and the resistance of demolising are minimum, convenient construction.

According to the embodiment, the two loose spliced floor templates 9 to be spliced are limited and fixed in a mode that the square pipe U-shaped groove 2 on the square pipe body 1 is buckled with the L-shaped material component, iron nails are not needed, and the problem of staggered joints of the floor concrete is avoided; meanwhile, the old iron nails do not need to be treated like the traditional technology, and the labor cost and the material cost are reduced.

It should be noted that all of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except mutually exclusive features and/or steps.

In addition, the foregoing detailed description is exemplary, and those skilled in the art, having the benefit of this disclosure, may devise various arrangements that, although not explicitly described herein, are within the scope of the present disclosure. It should be understood by those skilled in the art that the present description and drawings are illustrative and not limiting to the claims. The scope of the utility model is defined by the claims and their equivalents.

Claims (7)

1. The secondary keel square tube is characterized by comprising a hollow square tube body (1), wherein a panel of the square tube body (1) is at least partially inwards recessed to form a square tube U-shaped groove (2);

the square tube U-shaped groove (2) comprises a horizontal part (3) positioned at the bottom and arc-shaped parts (4) respectively connected with two sides of the horizontal part (3).

2. The cross runner square as claimed in claim 1, wherein the square-tube U-shaped groove (2) extends in the axial direction of the square-tube body (1).

3. The utility model provides a secondary joist side pipe assembly, its characterized in that includes a plurality of secondary joist side pipes of claim 1 or 2, connect end to end in proper order through the connecting pipe between the secondary joist side pipe.

4. A cross runner square tube assembly as claimed in claim 3 wherein the connecting tubes comprise connecting square tubes (5) having two ends respectively inserted into adjacent two of the square tube bodies (1);

the panel of the connecting square tube (5) is provided with a concave connecting U-shaped groove (10), and the outer surface of the connecting square tube (5) is provided with an outwards protruding butt joint part (6) around the circumference of the connecting square tube; the end parts of two adjacent square pipe bodies (1) are respectively abutted against the two ends of the abutting part (6), and the outer surface of the abutting part (6) is leveled with the outer surface of the square pipe body (1).

5. A floor form seaming assembly, characterized by comprising the cross runner square tube of claim 1 or 2 and a plurality of L-shaped material assemblies (11) arranged in a square tube U-shaped groove (2) of the cross runner square tube; the L-shaped material assemblies (11) are distributed along the length direction of the square tube U-shaped groove (2).

6. The floor form seaming assembly according to claim 5, wherein the L-profile assembly (11) comprises two L-profiles (12) disposed side-to-side opposite each other.

7. The floor form seaming assembly according to claim 6, wherein the L-profile (12) comprises an L-shaped plate (7) and two sector plates (8) connected to each end of the L-shaped plate (7); the arc surface of the sector plate (8) is clung to the arc part (4) of the square tube U-shaped groove (2).