Beam column joint tool type formwork reinforcing device
By designing a tool-type template reinforcement device for beam and column nodes including limiting device and secondary keel, the cross-sectional deviation and expansion of beam and column node concrete caused by insufficient bending strength of secondary keels and unreasonable material utilization in traditional construction are solved. Deformation problem achieves more efficient template reinforcement and material utilization.
Patent Information
- Application Number
- CN202420931315.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-30
AI Technical Summary
During the reinforcement of traditional beam and column node formwork, the bending strength is insufficient due to the excessive length of the keel cantilever, and the material utilization is unreasonable, resulting in the deviation of the cross-sectional dimensions of the beam and column node concrete and the expansion and deformation of the expansion mold.
Design a tool-type template reinforcement device for beam and column nodes, including a limiting device installed in the male angle position and multiple secondary keels. The limiting device consists of a main keel, a wing plate, a right-angle connecting plate and a tensioning assembly, and is connected by pulling The combination of bolts, lock nuts, mountain fasteners and fastening steel pipes achieves reinforcement and constraints on the formwork.
Effectively prevent deformation and axis deviation of beam and column node formwork, improve molding quality, reduce material waste, the device can be recycled and reused, and is convenient to install and disassemble.
Smart Images
Figure CN222501036U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a tool-type template reinforcement device for a beam-column node. Background Art
[0002] In the traditional cast-in-place concrete structure beam-column joint formwork reinforcement construction, the cantilever end of the secondary purlin is usually used to perform lateral constraints on the positive corners of the beam-column joints. Combined with the limiting effect of the end of the secondary purlin in the frame beam side formwork on the negative corners of the beam-column joints, the formwork reinforcement of the beam-column joints is completed to achieve the control of axis position and cross-sectional size deviation.
[0003] However, during the construction process, when the height of the frame beam section at the beam-column node is large, the cantilever length of the secondary keel that constrains the deformation of the template at the positive corner of the beam-column node is consistent with the height of the frame beam section around the node. Due to the excessive cantilever length, the bending strength of the secondary keel is insufficient. At the same time, since the length modulus of the secondary keel in the frame column reinforcement system is usually 2000㎜, using the cantilever end of the secondary keel as a limiting measure at the positive corner of the beam-column node will cause unreasonable spacing of the secondary keel and waste of materials. During on-site construction, the frequency of lack of secondary keel reinforcement at the positive corner is relatively high. The above unfavorable factors will lead to defects in the cross-sectional size deviation of the concrete at the beam-column node, such as expansion deformation or negative deviation of the cross-sectional size of the node part that exceeds the specification. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide a tool-type formwork reinforcement device for beam-column nodes in view of the above-mentioned deficiencies in the prior art, which solves the problems of concrete expansion and dimensional deviation at the beam-column nodes caused by improper formwork reinforcement at the beam-column nodes during the construction of traditional veneer plywood formworks. The utility model has the characteristics of wide application range and strong practicality.
[0005] The technical solution adopted by the utility model is: a tool-type template reinforcement device for a beam-column node, including a limit device and a plurality of secondary keels installed at a positive angle position, the limit device including a main keel, a wing plate and two right-angle connecting plates, one end of the main keel is connected to the wing plate, and the two side surfaces of the other end of the main keel are respectively connected to the two right-angle connecting plates, the two right-angle connecting plates are perpendicular to each other, the inner angle of the wing plate is fitted with the first template at the positive angle of the beam-column node, the right-angle connecting plate is provided with a plurality of tensioning components for reinforcing the limit device, one end of the tensioning component is connected to the right-angle connecting plate, and the other end of the tensioning component is connected to the second template at the crossbeam, and the secondary keel is arranged on the second template of the crossbeam.
[0006] As a further improvement, the tensioning assembly includes a tension bolt and a locking nut, one end of the tension bolt vertically passes through the right-angle connecting plate and is threadedly connected to the locking nut, and the other end of the tension bolt is connected to the second template.
[0007] Furthermore, a mountain-shaped fastener is sleeved on the tension bolt, a clamping nut for clamping the mountain-shaped fastener is threadedly connected on the tension bolt, and a fastening steel pipe is provided between the mountain-shaped fastener and the secondary keel.
[0008] Furthermore, two long slots are provided on one side plate of the right-angle connecting plate, and tensioning components are installed on the long slots.
[0009] Furthermore, a haunch connecting plate is provided between the wing plate and the main keel.
[0010] Furthermore, the cross section of the main keel is a rectangular structure, and the cross section of the wing plate is an L-shaped structure.
[0011] Furthermore, a plurality of the secondary keels are evenly and equidistantly arranged laterally on the second template of the crossbeam, and the ends of the secondary keels bear against the inner corners of the beam-column nodes.
[0012] Beneficial Effects
[0013] Compared with the prior art, the utility model has the following advantages:
[0014] The utility model discloses a tool-type template reinforcement device for beam-column node. After the template at the beam-column node is installed, the limiting device is firstly fixed on the first template at the positive angle by passing an iron nail through the through hole, so that the right angle of the wing plate fits with the first template at the positive angle, which plays a role of preliminary positioning. Then the keel is fixed to the second template of the beam according to the spacing determined by the template engineering construction plan. During installation, the end of the secondary keel should be pushed to the negative angle of the beam-column node, and the side pressure of the template at the negative angle of the node is constrained by the end of the secondary keel. Then, one end of the tension bolt is threadedly connected to the second template, and the other end passes through the long slot hole. In this process, the installation of the fastening steel pipe and the mountain-shaped fastener is completed in sequence. By adjusting the locking nut and the clamping nut, the reinforcement of the template by the limiting device is completed under the action of the tightening components at multiple locations, which effectively prevents the template at the positive angle of the beam-column node from being deformed and the axis from being offset. Moreover, the device can be recycled and reused after use, which reduces the waste of materials, and is convenient to install and disassemble. It has the characteristics of easy use and wide application range. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0016] Figure 2 It is an enlarged schematic diagram of the structure of the limiting device in the utility model.
[0017] Among them: 1-limiting device, 2-first template, 3-tensioning assembly, 4-secondary keel, 5-tensioning nut, 6-mountain-shaped fastener, 7-second template, 8-fastening steel pipe, 9-long slot hole, 10-axillary connecting plate, 11-right-angle connecting plate, 12-main keel, 13-wing plate, 14-through hole, 31-tension bolt, 32-locking nut. DETAILED DESCRIPTION
[0018] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.
[0019] See also Figure 1-2 As shown, a tool-type template reinforcement device for a beam-column node of the utility model comprises a limit device 1 installed at a positive angle position and a plurality of secondary keels 4, the limit device 1 comprises a main keel 12, a wing plate 13 and two right-angle connecting plates 11, one end of the main keel 12 is connected to the wing plate 13, and the two side surfaces of the other end of the main keel 12 are respectively connected to the two right-angle connecting plates 11, the two right-angle connecting plates 11 are perpendicular to each other, the inner angle of the wing plate 13 is in contact with the first template 2 at the positive angle of the beam-column node, the right-angle connecting plate 11 is provided with a plurality of tensioning components 3 for reinforcing the limit device 1, one end of the tensioning component 3 is connected to the right-angle connecting plate 11, and the other end of the tensioning component 3 is connected to the second template 7 at the crossbeam, the secondary keel 4 is arranged on the second template 7 at the crossbeam, and after the template at the beam-column node is installed, the limit device 1 is initially fixed to the second template 7 at the positive angle by first passing an iron nail through the through hole 14 On a template 2, the right angle of the wing plate 13 is fitted with the first template 2 at the positive angle, which plays a role in preliminary positioning. Then the secondary keel 4 is fixed to the second template 7 of the beam according to the spacing determined by the template construction plan. During installation, the end of the secondary keel 4 should be pushed to the negative angle of the beam-column node, and the end of the secondary keel 4 is used to constrain the pressure on the side of the node negative angle template. Then, one end of the tension bolt 31 is threadedly connected to the second template 7, and the other end passes through the long slot hole 9. In this process, the installation of the fastening steel pipe 8 and the mountain-shaped fastener 6 is completed in turn. By adjusting the locking nut 32 and the clamping nut 5, under the action of the tensioning components 3 at multiple locations, the reinforcement of the template by the limiting device 1 is completed, which effectively prevents the template of the beam-column node from deformation and axis deviation, improves the quality of the beam-column after forming, and this device can be recycled and reused after use, reduces material waste, and is convenient for installation and disassembly.
[0020] Specifically, the tensioning assembly 3 includes a tensioning bolt 31 and a locking nut 32. One end of the tensioning bolt 31 vertically passes through the right-angle connecting plate 11 and is threadedly connected to the locking nut 32. The other end of the tensioning bolt 31 is connected to the second template 7 and the locking nut 32. During the tightening and reinforcement process, the tightening should be symmetrical to avoid unilateral tightening and excessive reinforcement, so as to avoid deformation of the template at the positive angle of the beam-column node and axis deviation.
[0021] Furthermore, a mountain-shaped fastener 6 is sleeved on the tension bolt 31, and a clamping nut 5 for clamping the mountain-shaped fastener 6 is threadedly connected on the tension bolt 31. A fastening steel pipe 8 is provided between the mountain-shaped fastener 6 and the secondary keel 4. By tightening the clamping nut 5, the mountain-shaped fastener 6 is compressed against the fastening steel pipe 8, thereby forcing the fastening steel pipe 8 to compress the secondary keel 4, thereby reinforcing the second formwork 7 of the beam and effectively preventing the second formwork 7 from deformation.
[0022] Furthermore, two long slot holes 9 are provided on a side plate of the right-angle connecting plate 11, and the tensioning components 3 are installed on the long slot holes 9. The long slot holes 9 of the two right-angle connecting plates 11 are staggered to meet the staggered reinforcement requirements of the tension bolts.
[0023] Furthermore, a haunch connecting plate 10 is provided between the wing plate 13 and the main keel 12. The haunch connecting plate 10 is connected by fillet welds to enhance the mechanical strength so that the device is not easily deformed after being subjected to force.
[0024] Furthermore, the cross-section of the main keel 12 is a rectangular structure, and the cross-section of the wing plate 13 is an L-shaped structure. The main keel uses a 70×70×5㎜ rectangular steel pipe, and the length is consistent with the length of the limiting device at the external corner. The right angle of the wing plate 13 can perfectly fit and support the template at the external corner.
[0025] Furthermore, a plurality of secondary purlins 4 are evenly and evenly arranged laterally on the second formwork 7 of the crossbeam, and the ends of the secondary purlins 4 are pressed against the inner corners of the beam-column nodes. The ends of the secondary purlins 4 are used to constrain the side pressure of the inner corner formwork of the node, thereby pressing the formwork at the inner corner and effectively preventing deformation of the formwork there.
[0026] When using a tool-type template reinforcement device for a beam-column node of the present embodiment, the limiting device 1 is first initially fixed to the first template 2 at the positive angle by passing an iron nail through the through hole 14, so that the right angle of the wing plate 13 is fitted with the first template 2 at the positive angle, which plays a role in preliminary positioning. Then, the secondary keel 4 is fixed to the second template 7 of the beam according to the spacing determined by the template construction plan. During installation, the end of the secondary keel 4 should be pushed to the negative angle of the beam-column node, and the pressure on the side of the node negative angle template is constrained by the end of the secondary keel 4. Then, one end of the tension bolt 31 is threadedly connected to the second template 7, and the other end passes through the long slot hole 9. In this process, the installation of the fastening steel pipe 8 and the mountain-shaped fastener 6 is completed in sequence. By adjusting the locking nut 32 and the clamping nut 5, the reinforcement of the template by the limiting device 1 is completed under the action of the tensioning components 3 at multiple locations, effectively preventing the template of the beam-column node from deformation and axis deviation, and improving the quality of the beam and column after forming. Moreover, this device can be recycled and reused after use, reducing material waste, and is convenient to install and disassemble. The utility model discloses a tool-type formwork reinforcement device for beam-column joints, which solves the problems of concrete expansion and dimensional deviation at beam-column joints caused by improper formwork reinforcement at the beam-column joints during the construction of traditional cladding wood plywood formworks, and has the characteristics of wide application range and strong practicality.
[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.
Claims
1. A beam-column node tool formwork reinforcement device, characterized in that: The invention comprises a limit device (1) installed at a positive angle position and a plurality of secondary keels (4), wherein the limit device (1) comprises a main keel (12), a wing plate (13) and two right-angle connecting plates (11), wherein one end of the main keel (12) is connected to the wing plate (13), and the two side surfaces of the other end of the main keel (12) are respectively connected to the two right-angle connecting plates (11), and the two right-angle connecting plates (11) are perpendicular to each other, and the inner angle of the wing plate (13) is in contact with the first template (2) at the positive angle of the beam-column node, and the right-angle connecting plate (11) is provided with a plurality of tensioning components (3) for reinforcing the limit device (1), wherein one end of the tensioning component (3) is connected to the right-angle connecting plate (11), and the other end of the tensioning component (3) is connected to the second template (7) at the crossbeam, and the secondary keel (4) is arranged on the second template (7) of the crossbeam.
2. A beam-column node tool formwork reinforcement device according to claim 1, characterized in that: The tensioning assembly (3) comprises a tension bolt (31) and a locking nut (32), one end of the tension bolt (31) vertically passes through the right-angle connecting plate (11) and is threadedly connected to the locking nut (32), and the other end of the tension bolt (31) is connected to the second template (7).
3. A beam-column node tool formwork reinforcement device according to claim 2, characterized in that: The tension bolt (31) is sleeved with a mountain-shaped fastener (6), and a clamping nut (5) for clamping the mountain-shaped fastener (6) is threadedly connected to the tension bolt (31), and a fastening steel pipe (8) is provided between the mountain-shaped fastener (6) and the secondary keel (4).
4. A beam-column node tool formwork reinforcement device according to claim 1, characterized in that: Two long slot holes (9) are provided on one side plate of the right-angle connecting plate (11), and tensioning components (3) are installed on the long slot holes (9).
5. The beam-column node tool formwork reinforcement device according to claim 1, characterized in that: A haunch connecting plate (10) is provided between the wing plate (13) and the main keel (12).
6. A beam-column node tool formwork reinforcement device according to claim 1, characterized in that: The cross section of the main keel (12) is a rectangular structure, and the cross section of the wing plate (13) is an L-shaped structure.
7. A beam-column node tool formwork reinforcement device according to claim 1, characterized in that: A plurality of the secondary keels (4) are evenly and evenly arranged laterally on the second template (7) of the crossbeam, and the ends of the secondary keels (4) are against the inner corners of the beam-column nodes.