Mobile formwork support system for cast-in-place concrete assembly

Abstract

The present invention discloses a cast-in-place concrete assembly movable formwork support system, including a movable base frame, a vertical adjustable support and a top frame, wherein the movable base frame is composed of a base frame outer frame, a connecting steel plate, a wheel frame, bolts and a universal wheel; the vertical adjustable support is composed of a bottom pipe, an adjustable device, an expansion joint, and a connecting steel plate; the top frame is composed of a galvanized square tube, an I-beam, a limit bolt, a connecting steel plate, a hanging point, and a connecting piece; the movable base frame, the vertical adjustable support and the top frame are connected to form a whole through the connecting steel plate. The present invention has simple and fast assembly and disassembly operations, high production efficiency, reliable safety performance, flexible and convenient adjustment, no need for repeated assembly and disassembly, can be hoisted as a whole, and has a large number of repeated turnover times, which greatly improves construction efficiency, meets the support requirements of cast-in-place concrete beams, slabs, columns, and shear walls, and helps to improve the quality of cast-in-place concrete projects, and can save a large amount of pipes, which is suitable for popularization and application.

Description

Technical Field

[0001] The invention relates to the technical field of cast-in-place concrete formwork support systems, and in particular to a cast-in-place concrete assembled movable formwork support system. Background Art

[0002] In recent years, with the country's increased investment in infrastructure construction and the increase in real estate development projects, the construction industry has shown a trend of sustained growth. Looking around the world, especially in developing countries, there is a boom in large-scale construction, and the promotion of prefabricated buildings has become an important development direction for the transformation and upgrading of the national construction industry. With the country's vigorous promotion, prefabricated buildings have become the general trend of the construction industry. The rapid development of the construction industry, the large-scale application of cast-in-place concrete, and the strong market demand for formwork composite structures support.

[0003] With the development of formwork technology, the support system of formwork has gradually become diversified. The formwork support systems in my country mainly include coupler-type steel pipe scaffolding, bowl-type scaffolding, door-type scaffolding, disc-type scaffolding, etc. However, the mainstream of formwork support system is still occupied by coupler-type steel pipe scaffolding. This system is still used for internal and external scaffolding in domestic construction. Although this system is recognized by the public, the blind pursuit of low prices by material users and malicious competition in the scaffolding market are also one of the reasons for the frequent accidents of the current formwork support system; on the other hand, because its locking adopts coupler type, it is greatly affected by the quality of the coupler itself and manual operation.

[0004] In view of the disadvantages of the traditional support system, such as complex operation and inconvenient assembly and disassembly, the frame support height greatly restricts the size of the support material and the production efficiency is low. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to provide a cast-in-place concrete assembled mobile formwork support system to replace the existing traditional support system. The system is vertically retractable and horizontally movable, overcoming the shortcomings of the traditional support system, which is complicated to operate and inconvenient to disassemble and assemble. It solves the limitation of the frame support height on the material size, has a high number of repeated uses, and improves production efficiency.

[0006] The technical solution adopted by the present invention is as follows:

[0007] The cast-in-place concrete assembly movable formwork support system includes a movable bottom frame, a vertically adjustable support and a top frame, wherein:

[0008] The movable chassis is composed of a chassis outer frame, a connecting steel plate, a wheel frame, a limit bolt and a universal wheel; a connecting steel plate and a universal wheel frame are welded on the upper side of the chassis outer frame, a limit bolt is arranged on the connecting steel plate, the connecting steel plate is connected to the connecting steel plate at the lower end of the vertical adjustable support through the limit bolt, and the wheel frame is connected to the detachable universal wheel through a bearing;

[0009] The wheel frame is welded from thick steel plates into a groove shape, with a bearing in the top of the groove, and the universal wheel is inserted into the wheel frame bearing;

[0010] The vertical adjustable support is composed of a bottom tube, an adjustable device, an expansion joint, and a connecting steel plate; a pin hole connected to the reinforcing rod is provided at the lower end of the bottom tube wall, a connecting steel plate is welded at the lower end of the bottom tube, a limit bolt connected to the movable bottom frame is provided on the connecting steel plate, evenly distributed pin holes connected to the pin and the reinforcing rod are provided on the expansion joint tube wall, a connecting steel plate is welded at the upper end of the expansion joint, a limit bolt connected to the top frame is provided on the connecting steel plate, the upper end of the vertical adjustable support is connected to the top frame through the connecting steel plate and the limit bolt, the lower end of the vertical adjustable support is connected to the movable bottom frame through the connecting steel plate and the limit bolt, a sleeve thread and a limit slideway are provided at the upper end of the bottom tube, and the sleeve thread is threadedly connected to the adjustable device; the adjustable device is composed of a fine-tuning thread, a pin, and a wrench; the pin and the wrench are movably connected on both sides of the fine-tuning thread, the expansion joint is inserted into the bottom tube, and the pin on the adjustable device passes through the limit slideway and the pin hole on the expansion joint to be connected to the bottom tube to form an adjustable length whole;

[0011] The top frame is composed of a galvanized square tube, an I-beam, a limiting bolt, a connecting steel plate, a hanging point, and a first connecting piece; a connecting steel plate is welded to the lower side of the I-beam, a limiting bolt is arranged on the connecting steel plate, a hanging point is welded to the side of the I-beam near the connecting steel plate, and a first connecting piece connected to the connecting hole on the upper flange of the I-beam is welded on one side of the vertical surface of the galvanized square tube, and the first connecting piece is connected to the I-beam and the galvanized square tube through a limiting bolt.

[0012] The cast-in-place concrete assembled mobile formwork support system also includes a reinforcing rod, which is provided with a sleeve, a rotating hole is provided in the middle of the sleeve, internal threads are provided at both ends of the sleeve, one end of the telescopic rod is provided with an external thread, and the other end of the telescopic rod is provided with a second connecting plate, and the second connecting plate is provided with a pin hole. The two ends of the sleeve are respectively threadedly connected to the telescopic rod, and the two ends of the reinforcing rod are connected to the vertical adjustable support through the pin hole and the pin.

[0013] There are 8 reinforcing rods, which are cross-arranged around the vertically adjustable support.

[0014] An inner reinforcement support of the chassis is welded on the inner side of the chassis outer frame.

[0015] The hanging points are symmetrically welded on both sides of the I-beam, and their heights are flush with the height of the I-beam.

[0016] The advantages of the present invention are:

[0017] 1. The assembly and disassembly operations are simple and fast, with high production efficiency, reliable safety performance, and effective guarantee of construction safety; 2. Modular and tool-based operations are flexible and convenient to adjust, without repeated assembly and disassembly, and can be hoisted as a whole, with many repeated turnover times, which greatly improves construction efficiency and meets the support requirements of cast-in-place concrete beams, slabs, columns, and shear walls, and helps to improve the quality of cast-in-place concrete projects, and can save a large number of pipes; 3. It is vertically retractable and horizontally movable, which solves the limitation of the support height of the frame on the material size and has strong flexibility; 4. It saves steel and the erection density is much lower than that of traditional frames, effectively reducing construction costs and various supporting fees; 5. There are no scattered accessories, which are not easy to lose, with extremely low loss, and are convenient for transportation and inventory. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the support system of the present invention;

[0019] Figure 2 is a top view of the chassis of the present invention;

[0020] Figure 3 It is the front view of the vertically adjustable support of the present invention;

[0021] Figure 4 is a top view of the top frame of the present invention;

[0022] Figure 5 It is a left view of the overall structure of the support system of the present invention;

[0023] Figure 6 It is a front view of the overall structure of the support system of the present invention;

[0024] FIG. 7 (a) is a front view of the connection between the universal wheel and the chassis of the present invention;

[0025] FIG7 (b) is a left view of the connection between the universal wheel and the chassis of the present invention;

[0026] Figure 8 It is a schematic diagram of the reinforcing rod structure of the present invention. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings.

[0028] refer to Figure 1 , a cast-in-place concrete assembly movable formwork support system, comprising a movable base frame, a vertically adjustable support and a top frame, wherein,

[0029] refer to Figure 2The movable chassis is composed of a chassis outer frame 15, a connecting steel plate 4, a wheel frame 13, a limiting bolt 3 and a universal wheel 14; a connecting steel plate 4 and a universal wheel frame 13 are welded on the upper side of the chassis outer frame 15, a limiting bolt 3 is provided on the connecting steel plate 4, and the connecting steel plate 4 is connected to the connecting steel plate 4 at the lower end of the vertical adjustable support through the limiting bolt 3, and the wheel frame 13 is connected to the detachable universal wheel 14 through a bearing;

[0030] Referring to FIG. 7 (a) and FIG. 7 (b), the wheel frame 13 is welded into a groove shape by thick steel plates, a bearing is arranged in the top of the groove, and the universal wheel 14 is inserted into the bearing of the wheel frame 13. When the support system moves to the specified position, the universal wheel 14 is removed, and the bottom frame 15 is placed on the ground to serve as a force-bearing support;

[0031] refer to Figure 3 The vertically adjustable support is composed of a bottom tube 12, an adjustable device, a telescopic joint 6, and a connecting steel plate 4; a pin hole 5 connected to a reinforcing rod 16 is provided at the lower end of the bottom tube 12 wall, a connecting steel plate 4 is welded to the lower end of the bottom tube 12, and a limit bolt 3 connected to a movable bottom frame is provided on the connecting steel plate 4; a uniformly distributed pin hole 5 connected to a pin 11 and a reinforcing rod 16 is provided on the tube wall of the telescopic joint 6; a connecting steel plate 4 is welded to the upper end of the telescopic joint 6, and a limit bolt 3 connected to a top frame is provided on the connecting steel plate 4; the upper end of the vertically adjustable support is connected to the top frame through the connecting steel plate 4 and the limit bolt 3; the lower end of the vertically adjustable support The end is connected to the movable base frame through a connecting steel plate 4 and a limiting bolt 3. The upper end of the bottom tube 12 is provided with a threaded sleeve 7 and a limiting slide 8. The threaded sleeve 7 is threadedly connected to the adjustable device; the adjustable device is composed of a fine-tuning thread 9, a latch 11, and a wrench 10; the latch 11 and the wrench 10 are movably connected on both sides of the fine-tuning thread 9, the telescopic joint 6 is inserted into the bottom tube 12, and the latch 11 on the adjustable device passes through the limiting slide 8 and the latch hole 5 on the telescopic joint 6, and is connected to the bottom tube 12 to form an adjustable length whole; the fine-tuning thread 9 is rotated by the wrench 10 on the adjustable device so that the vertical adjustable support can be fine-tuned in height;

[0032] refer to Figure 4 The top frame is composed of a galvanized square tube 20, an I-beam 2, a limiting bolt 3, a connecting steel plate 4, a hanging point 17, and a first connecting piece 18; a connecting steel plate 4 is welded to the lower side of the I-beam 2, and a limiting bolt 3 is provided on the connecting steel plate 4 to connect the expansion joint and the I-beam 2. A hanging point 17 is welded to the side of the I-beam 2 near the connecting steel plate 4. A first connecting piece 18 connected to the upper flange connecting hole of the I-beam 2 is welded on one side of the vertical surface of the galvanized square tube 20. The first connecting piece 18 is connected to the I-beam 2 and the galvanized square tube 20 through the limiting bolt 3, so that the I-beam 2 and the galvanized square tube 20 are connected as a whole.

[0033] refer to Figure 8The cast-in-place concrete assembled movable formwork support system also includes a reinforcing rod 16, the reinforcing rod 16 is provided with a sleeve 166, a rotating hole 163 is provided in the middle of the sleeve 166, internal threads 165 are provided at both ends of the sleeve 166, an external thread is provided at one end of the telescopic rod 162, a second connecting piece 161 is provided at the other end of the telescopic rod 162, a latch hole 5 is provided on the second connecting piece 161, both ends of the sleeve 166 are respectively threadedly connected to the telescopic rod 162, and a round steel is inserted into the rotating hole to rotate the sleeve, so that the reinforcing rod 16 has a retractable performance; reference Figure 5 , Figure 6 The two ends of the reinforcing rod 16 are connected to the vertical adjustable support through the latch hole 5 and the latch, making the support system safer and more reliable.

[0034] refer to Figure 5 , Figure 6 There are 8 reinforcing rods 16, which are cross-arranged around the vertically adjustable support.

[0035] The inner side of the chassis outer frame 15 is welded with a chassis inner reinforcement support 1 for reinforcing the chassis.

[0036] The hanging points 17 are symmetrically welded on both sides of the I-beam 2, and their height is flush with the height of the I-beam 2, so as to stably transport the support system.

[0037] The universal wheels on the base frame can move the support system to different positions. After the support system moves to the designated position, the universal wheels can be disassembled, which improves flexibility; the vertical adjustable support avoids the drawbacks of the traditional support system, which is complicated to operate and inconvenient to disassemble and assemble, and enhances the reuse rate and production efficiency; the support system can be adjusted to different heights by rotating the adjustable device and telescopic adjustment of the telescopic joint, which can be roughly adjusted or finely adjusted, solving the problem of the support system's adaptability to templates of different heights. It solves the limitation of the support height of the frame on the size of the material, facilitates the demolding, and improves the adaptability of the support system to templates of different heights; the hanging point facilitates the movement of the frame, so that the frame can be transported smoothly during the movement; the reinforcing rod is retractable, which overcomes the limitation of different hole spacing on the size of the reinforcing rod.

[0038] When the present invention is used, firstly, the base frame is lifted to a certain height with a jack, and the universal wheel 14 is plugged into the wheel frame bearing; then the telescopic joint 6 is extended to a height that is a multiple of the pin hole distance closest to the target height of the template 19, and the pin 11 is passed through the limit slide 8 and the pin hole 5 on the telescopic joint to connect the telescopic joint 6 and the bottom tube 12. At this time, the pin 11 together with the telescopic joint 6 is located on the fine-tuning thread 9; then the connecting steel plate 4 on the vertical adjustable support is aligned with the connecting steel plate 4 on the movable base frame, and they are tightened to form a whole by the limit bolt 3; then the connecting steel plate 4 on the I-beam 2 is connected to the telescopic joint 6 The connecting steel plates 4 on the upper side are aligned and connected as a whole by tightening the limit bolts 3; then the galvanized square tube 20 is placed on the upper side of the I-beam 2 and the first connecting piece 18 is connected to the I-beam 2 as a whole by the limit bolts 3; then the support system is pushed to the specified position, the bottom frame is lifted to a certain height by a jack, and the universal wheel 14 is removed; then the fine-tuning thread 9 is rotated by rotating the wrench 10, and the pin 11 is lifted with the telescopic joint 6, so that the top frame is lifted to the bottom elevation of the template 19; then the vertical adjustable support and the reinforcing rod 16 are connected as a whole by the pin; finally, the template 19 is laid above the galvanized square tube 20. When removing the mold, first loosen the reinforcing rod 16 by rotating the reinforcing rod rotating hole and remove it, then rotate the fine-tuning thread 9 by rotating the wrench 10 to separate the top frame from the template 19, and lower the top frame below the horizontal obstacle; then use the jack to lift the bottom frame to a certain height, insert the universal wheel 14 into the wheel frame bearing, and push the frame to the unloading platform; then lift the support system through the lifting point 17 on the I-beam 2, remove the universal wheel 14, and move the support system to the designated position for the next construction layer.

Claims

1. Cast-in-place concrete assembly mobile formwork support system, characterized by: It includes a movable bottom frame, a vertically adjustable support and a top frame, wherein: The movable base frame is composed of a base frame outer frame (15), a connecting steel plate (4), a wheel frame (13), a limiting bolt (3) and a universal wheel (14); the connecting steel plate (4) and the universal wheel frame (13) are welded on the upper side of the base frame outer frame (15); the connecting steel plate (4) is provided with a limiting bolt (3); the connecting steel plate (4) is connected to the connecting steel plate (4) at the lower end of the vertical adjustable support through the limiting bolt (3); the wheel frame (13) is connected to the detachable universal wheel (14) through a bearing; The wheel frame (13) is welded from thick steel plates into a groove shape, a bearing is arranged in the top of the groove, and the universal wheel (14) is inserted into the bearing of the wheel frame (13); The vertical adjustable support comprises a bottom tube (12), an adjustable device, an expansion joint (6), and a connecting steel plate (4); a pin hole (5) connected to a reinforcing rod (16) is provided at the lower end of the tube wall of the bottom tube (12); a connecting steel plate (4) is welded to the lower end of the bottom tube (12); a limit bolt (3) connected to a movable bottom frame is provided on the connecting steel plate (4); evenly distributed pin holes (5) connected to a pin (11) and a reinforcing rod (16) are provided on the tube wall of the expansion joint (6); a connecting steel plate (4) is welded to the upper end of the expansion joint (6); a limit bolt (3) connected to a top frame is provided on the connecting steel plate (4); the upper end of the vertical adjustable support is connected to the reinforcing rod (16) by the connecting steel plate (4). The bolt (3) is connected to the top frame, the lower end of the vertical adjustable support is connected to the movable bottom frame through the connecting steel plate (4) and the limit bolt (3), the upper end of the bottom tube (12) is provided with a sleeve thread (7) and a limit slideway (8), and the sleeve thread (7) is threadedly connected to the adjustable device; the adjustable device is composed of a fine-tuning thread (9), a latch (11), and a wrench (10); the latch (11) and the wrench (10) are movably connected on both sides of the fine-tuning thread (9), the telescopic joint (6) is inserted into the bottom tube (12), and passes through the limit slideway (8) and the latch hole (5) on the telescopic joint (6) through the latch (11) on the adjustable device, and is connected to the bottom tube (12) to form an adjustable length whole; The top frame is composed of a galvanized square tube (20), an I-beam (2), a limiting bolt (3), a connecting steel plate (4), a hanging point (17), and a first connecting piece (18); the connecting steel plate (4) is welded to the lower side of the I-beam (2), the connecting steel plate (4) is provided with a limiting bolt (3), a hanging point (17) is welded to the side of the I-beam (2) near the connecting steel plate (4), a first connecting piece (18) connected to a connecting hole on the upper flange of the I-beam (2) is welded to one side of the vertical surface of the galvanized square tube (20), and the first connecting piece (18) is connected to the I-beam (2) and the galvanized square tube (20) through the limiting bolt (3).

2. The cast-in-place concrete assembly movable formwork support system according to claim 1, characterized in that: It also includes a reinforcing rod (16), the reinforcing rod (16) is provided with a sleeve (166), a rotating hole (163) is provided in the middle of the sleeve (166), both ends of the sleeve (166) are provided with internal threads (165), one end of the telescopic rod (162) is provided with an external thread, the other end of the telescopic rod (162) is provided with a second connecting piece (161), the second connecting piece (161) is provided with a latch hole (5), both ends of the sleeve (166) are respectively threadedly connected to the telescopic rod (162), and both ends of the reinforcing rod (16) are connected to the vertically adjustable support through the latch hole (5) and the latch.

3. The cast-in-place concrete assembly movable formwork support system according to claim 2, characterized in that: There are eight reinforcing rods (16) which are cross-arranged around the vertically adjustable support.

4. The cast-in-place concrete assembly movable formwork support system according to claim 1 or 2, characterized in that: An underframe inner reinforcement support (1) is welded to the inner side of the underframe outer frame (15).

5. The cast-in-place concrete assembly movable formwork support system according to claim 1 or 2, characterized in that: The hanging points (17) are symmetrically welded on both sides of the I-beam (2), and their height is flush with that of the I-beam (2).

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