Recyclable short supporting device
By designing a recyclable short support device, the height can be adjusted by plugging and screwing, solving the problem of inconvenient assembly and disassembly of the formwork support system in confined spaces. This achieves efficient and convenient support adjustment and recycling, reducing material waste and costs.
Patent Information
- Application Number
- CN202422737811.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-11
AI Technical Summary
In existing technologies, the formwork support system for cast-in-place structures in confined spaces is inconvenient to assemble and disassemble and cannot be recycled, resulting in material waste and high costs.
A recyclable short support device was designed, including a fixed base, a fixed adjusting tube, a movable adjusting tube, a reinforcing bar, an adjusting screw, and an adjusting nut. Height adjustment and fixation are achieved through plugging and threaded rotation. The connecting bar improves overall stability, and the stabilizing wedge ensures coaxiality. The structure is simple and easy to assemble and disassemble.
It allows for flexible adjustment of support height, is easy to assemble and disassemble, highly adaptable, reusable, reduces costs, avoids material waste, and is suitable for support needs in confined spaces.
Smart Images

Figure CN223510667U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building engineering technology, and in particular to a recyclable short support device. Background Technology
[0002] In traditional confined spaces such as under height-restricted beams, the treatment of cast-in-place structural formwork support systems can be broadly categorized into three types: cutting standard modular steel pipes or top / bottom support components, cutting and welding standard I-beam profiles, and ordering dedicated temporary support sandboxes. All three methods require damaging rented scaffolding, standard modular reusable building materials such as I-beam profiles, and ordering dedicated temporary support sandboxes is costly. If non-standard components are fabricated in-house, the processing cycle is long, the safety of the components is difficult to guarantee, disassembly and assembly are inconvenient, they cannot be recycled, and there is significant material waste. Therefore, there is a need for a recyclable short support device that can solve the problems of inconvenient disassembly and assembly and non-recyclability of existing cast-in-place structural formwork support systems in confined spaces. Summary of the Invention
[0003] The purpose of this invention is to provide a recyclable short support device that can solve the problems of inconvenient disassembly and assembly and non-recyclability of existing cast-in-place structure formwork support systems in confined spaces.
[0004] This utility model is implemented as follows:
[0005] A recyclable short support device includes a fixed base, a fixed adjusting tube, a movable adjusting tube, a reinforcing bar, an adjusting screw, and an adjusting nut. The lower end of the fixed adjusting tube is vertically fixed to the fixed base, the movable adjusting tube is movably inserted into the fixed adjusting tube, and the reinforcing bar vertically penetrates the movable adjusting tube and the fixed adjusting tube, thereby fixing the movable adjusting tube to the fixed adjusting tube. The adjusting nut is sleeved on the upper end of the movable adjusting tube, and the lower part of the adjusting screw matches and is screwed into the adjusting nut and inserted into the fixed adjusting tube.
[0006] A first stiffening rib is connected between the fixed base and the lower outer wall of the fixed adjustment tube, and several first stiffening ribs are arranged at intervals along the circumference of the fixed adjustment tube.
[0007] Both the fixed and movable adjusting tubes have a number of insertion holes spaced apart. The insertion holes are arranged radially along the fixed and movable adjusting tubes, and the insertion rods pass through the insertion holes to penetrate the fixed and movable adjusting tubes.
[0008] The two adjacent fixed adjustment tubes are connected by connecting ribs, and the two connecting ribs pass through the insertion holes at the top and bottom of the two adjacent fixed adjustment tubes, respectively.
[0009] The inner diameter of the fixed adjusting tube is larger than the outer diameter of the movable adjusting tube, and the stabilizing wedge is inserted into the gap between the fixed adjusting tube and the movable adjusting tube, so that the fixed adjusting tube and the movable adjusting tube are coaxially arranged.
[0010] The stabilizing wedge includes a wedge top plate and a wedge body. A through hole is formed in the middle of the wedge top plate for the movable adjustment tube to pass through. Several wedge bodies are arranged at intervals along the circumference of the through hole, and several wedge bodies are inserted into the gap between the fixed adjustment tube and the movable adjustment tube.
[0011] The top of the adjusting screw is provided with a support plate, and several second stiffening ribs are arranged circumferentially between the support plate and the top of the adjusting screw.
[0012] Compared with the prior art, this utility model has the following advantages:
[0013] 1. This utility model has a fixed adjustment tube and a movable adjustment tube. The movable adjustment tube can be inserted into the fixed adjustment tube and adjusted in height to adapt to different short support height requirements. Through the cooperation of the insertion rod and the insertion rod hole, flexible adjustment and insertion fixation can be achieved. The assembly and disassembly are simple and convenient, thus meeting the needs of recyclability and solving the problem of insufficient bottom space to build standard modular frames.
[0014] 2. This utility model has an adjusting screw and an adjusting nut. The adjusting screw rotates relative to the adjusting nut through the screw thread, thereby adjusting the height of the support plate. It has high adjustment accuracy, is easy to operate, can meet the requirements of short supports of different heights, and is easy to disassemble and assemble. It has a high recyclability and high adaptability.
[0015] 3. Because this utility model is equipped with connecting ribs, the fixing and adjusting pipes of the two sets of devices can be connected into a whole, providing more stable and reliable support for components such as templates. It has high integrity, small size, and can meet the usage needs in narrow spaces such as the bottom of height-limited beams.
[0016] 4. This utility model has a simple structure, is easy to source and manufacture, has a low cost, and does not require damage to the standard modular rental frame or I-beam profile, so there is no risk of subsequent compensation and no waste of materials. Attached Figure Description
[0017] Figure 1 This is the front view of the recyclable short support device of this utility model;
[0018] Figure 2 yes Figure 1 Sectional view of AA in the middle;
[0019] Figure 3 yes Figure 1 Cross-sectional view of the middle section (BB);
[0020] Figure 4 This is a front view of the fixed base, the first stiffening rib, and the fixed adjustment tube in the recyclable short support device of this utility model;
[0021] Figure 5 This is a front view of the movable adjusting tube in the recyclable short support device of this utility model;
[0022] Figure 6 This is a front view of the adjusting screw in the recyclable short support device of this utility model;
[0023] Figure 7 This is a front view of the adjusting nut in the recyclable short support device of this utility model;
[0024] Figure 8 This is a bottom view of the stabilizing wedge in the recyclable short support device of this utility model.
[0025] In the figure, 1 is the fixed base, 101 is the first stiffening rib, 2 is the fixed adjusting tube, 201 is the insertion hole for the reinforcing bar, 3 is the movable adjusting tube, 4 is the insertion bar, 5 is the adjusting screw, 501 is the support plate, 502 is the second stiffening rib, 6 is the adjusting nut, 7 is the connecting bar, and 8 is the stabilizing wedge. Detailed Implementation
[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0027] Please see the appendix Figure 1 To be continued Figure 7 A recyclable short support device includes a fixed base 1, a fixed adjusting tube 2, a movable adjusting tube 3, a reinforcing rib 4, an adjusting screw 5, and an adjusting nut 6. The lower end of the fixed adjusting tube 2 is vertically fixed to the fixed base 1, the movable adjusting tube 3 is movably inserted into the fixed adjusting tube 2, and the reinforcing rib 4 penetrates vertically through the movable adjusting tube 3 and the fixed adjusting tube 2, so that the movable adjusting tube 3 and the fixed adjusting tube 2 are fixedly connected. The adjusting nut 6 is sleeved on the upper end of the movable adjusting tube 3, and the lower part of the adjusting screw 5 is matched and screwed into the adjusting nut 6 and inserted into the fixed adjusting tube 2.
[0028] The fixed base 1 is surface-to-surface with the ground to ensure the stability of the entire device on the ground or other supporting surfaces. The movable adjusting tube 3 and the fixed adjusting tube 2 are connected by a plug-in joint, which is simple to assemble and disassemble and can be extended and retracted to flexibly adjust the support height to meet the height support requirements in confined spaces with height restrictions. The adjusting screw 5 can be raised and lowered relative to the adjusting nut 6 by rotating the screw thread, thereby further adjusting the support height.
[0029] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 4A first stiffening rib 101 is connected between the fixed base 1 and the lower outer wall of the fixed adjustment tube 2, and several first stiffening ribs 101 are arranged at intervals along the circumference of the fixed adjustment tube 2.
[0030] The first stiffening rib 101 improves the connection reliability between the fixed base 1 and the lower end of the fixed adjusting tube 2. The first stiffening rib 101 can adopt a right-angled triangular structure to fit the fixed base 1 and the fixed adjusting tube 2, ensuring a reliable reinforcement effect. The number of first stiffening ribs 101 can be adjusted adaptively according to actual stress requirements.
[0031] Please see the appendix Figure 4 and attached Figure 5 The fixed adjusting tube 2 and the movable adjusting tube 3 are each provided with a number of insertion holes 201 at intervals. The insertion holes 201 are arranged radially along the fixed adjusting tube 2 and the movable adjusting tube 3. The insertion rib 4 passes through the insertion holes 201 and penetrates the fixed adjusting tube 2 and the movable adjusting tube 3.
[0032] By inserting the reinforcing bar 4 into the reinforcing bar hole 201, a stable connection can be formed between the fixed adjustment tube 2 and the movable adjustment tube 3. Insertion and disassembly are convenient and quick, and the reinforcing bar hole 201 at different heights can flexibly adapt to different height adjustment needs.
[0033] Please see the appendix Figure 1 The two adjacent fixed adjustment tubes 2 are connected by connecting ribs 7, and the two connecting ribs 7 pass through the insertion holes 201 at the top and bottom of the two adjacent fixed adjustment tubes 2 respectively.
[0034] The two adjacent fixed adjustment pipes 2 are connected into a whole by connecting ribs 7 through the rib insertion holes 201, which can improve the integrity between the devices and thus ensure the support stability of the entire support system.
[0035] Please see the appendix Figure 1 The inner diameter of the fixed adjusting tube 2 is larger than the outer diameter of the movable adjusting tube 3. The stabilizing wedge 8 is inserted into the gap between the fixed adjusting tube 2 and the movable adjusting tube 3, so that the fixed adjusting tube 2 and the movable adjusting tube 3 are coaxially arranged.
[0036] By inserting and clamping the stabilizing wedge 8 into the gap between the fixed adjusting tube 2 and the movable adjusting tube 3, the fixed adjusting tube 2 and the movable adjusting tube 3 can be kept in a coaxial state, avoiding relative displacement that would affect the stability and safety of the support.
[0037] Please see the appendix Figure 1 Appendix Figure 3 and attached Figure 8The stabilizing wedge 8 includes a wedge top plate and a wedge body. A through hole is formed in the middle of the wedge top plate for the movable adjustment tube 3 to pass through. Several wedge bodies are arranged at intervals along the circumference of the through hole, and several wedge bodies are inserted into the gap between the fixed adjustment tube 2 and the movable adjustment tube 3.
[0038] The number of wedge blocks can be adjusted according to actual needs. Several wedge blocks arranged circumferentially can clamp the movable adjusting tube 3 from all directions, thereby ensuring the coaxiality and clamping stability of the movable adjusting tube 3 and the fixed adjusting tube 2.
[0039] Please see the appendix Figure 1 and attached Figure 6 The top of the adjusting screw 5 is provided with a support plate 501, and several second stiffening ribs 502 are arranged circumferentially between the support plate 501 and the top of the adjusting screw 5.
[0040] The support plate 501 is used to support the template and other components. At the same time, the second stiffening rib 502 reinforces the support plate 501 and improves its load-bearing capacity.
[0041] Please see the appendix Figure 1 To be continued Figure 8 The manufacturing method of this utility model is as follows:
[0042] A 200*200*12mm steel plate is used as the fixed base 1, a 50*100*12mm steel plate is used as the first stiffening rib 101, and an 89*4.5mm, 500mm long galvanized steel pipe is used as the fixed adjustment pipe 2. The fixed base 1, the four equally spaced first stiffening ribs 101 and the lower end of the fixed adjustment pipe 2 are welded and fixed.
[0043] A galvanized steel pipe with a diameter of 60*3.5mm and a length of 500mm is used as the movable adjusting pipe 3. Insertion holes 201 with a diameter of 22mm are made at 100mm intervals on both the fixed adjusting pipe 2 and the movable adjusting pipe 3. Threaded steel bars with a diameter of 14mm are used as insertion bars 4. Steel bars with a diameter of 20mm are used as connecting bars 7.
[0044] The top of the movable adjusting tube 3 is threaded for screwing on the adjusting nut 6. A 60mm diameter threaded rod is used as the adjusting rod 5. The adjusting rod 5 and the adjusting nut 6 are screwed together by matching threads. The support height of the support plate 501 at the top of the adjusting rod 5 is adjusted by rotating the thread. The support plate 501 can be made of 150*150*12mm galvanized steel plate. Four 50*100*12mm steel plates are connected at equal intervals between the galvanized steel plate and the adjusting rod 5 as second stiffening ribs 502.
[0045] The top plate of the stabilizing wedge 8 is made of 55*110*12mm galvanized steel plate, and the main body of the wedge is made of 15*50*12mm right-angled triangular galvanized steel plate. Six wedge bodies are welded at equal intervals to the bottom of the top plate. The tips of the wedge bodies are inserted into the gap between the fixed adjusting tube 2 and the movable adjusting tube 3, which can adapt to different gaps between the fixed adjusting tube 2 and the movable adjusting tube 3 of different sizes. The simultaneous insertion of the six equally spaced wedge bodies can keep the fixed adjusting tube 2 and the movable adjusting tube 3 coaxial.
[0046] Please see the appendix Figure 1 To be continued Figure 8 The method of use and working principle of this utility model are as follows:
[0047] The entire device is placed stably on the ground at the support position by the fixed base 1. The two adjacent fixed adjustment pipes 2 can be connected to form a whole by the connecting ribs 7 through the rib insertion holes 201.
[0048] The movable adjusting tube 3 is inserted into the fixed adjusting tube 2. The movable adjusting tube 3 can be raised and lowered relative to the fixed adjusting tube 2. After adjustment, the height can be fixed by inserting the reinforcing bar 4 through the reinforcing bar hole 201 through the movable adjusting tube 3 and the fixed adjusting tube 2. If the movable adjusting tube 3 is inserted at the insertion height of the connecting bar 7, the connecting bar 7 also passes through the reinforcing bar hole 201 on the movable adjusting tube 3.
[0049] The six wedge bodies of the stabilizing wedge 8 are inserted into the gap between the fixed adjusting tube 2 and the movable adjusting tube 3 and locked in place to ensure a stable coaxial connection between the fixed adjusting tube 2 and the movable adjusting tube 3.
[0050] Screw the adjusting nut 6 to the threaded position at the top of the movable adjusting tube 3, and screw the adjusting screw 5 into the adjusting nut 6 and insert it into the fixed adjusting tube 2. The support height of the support plate 501 can be flexibly adjusted between 500-1500mm through the movable adjusting tube 3 and the adjusting screw 5.
[0051] The above are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the scope of protection of the present utility model.
Claims
1. A recyclable short support device, characterized in that: It includes a fixed base (1), a fixed adjusting tube (2), a movable adjusting tube (3), a reinforcing bar (4), an adjusting screw (5), and an adjusting nut (6); the lower end of the fixed adjusting tube (2) is vertically fixed to the fixed base (1), the movable adjusting tube (3) is movably inserted into the fixed adjusting tube (2), and the reinforcing bar (4) vertically penetrates the movable adjusting tube (3) and the fixed adjusting tube (2) to fix the movable adjusting tube (3) and the fixed adjusting tube (2); the adjusting nut (6) is sleeved on the upper end of the movable adjusting tube (3), and the lower part of the adjusting screw (5) is matched with the adjusting nut (6) and screwed into the fixed adjusting tube (2).
2. The recyclable short support device according to claim 1, characterized in that: A first stiffening rib (101) is connected between the fixed base (1) and the lower outer wall of the fixed adjustment tube (2), and several first stiffening ribs (101) are arranged at intervals along the circumference of the fixed adjustment tube (2).
3. The recyclable short support device according to claim 1, characterized in that: The fixed adjusting tube (2) and the movable adjusting tube (3) are each provided with a number of insertion holes (201) at intervals. The insertion holes (201) are arranged radially along the fixed adjusting tube (2) and the movable adjusting tube (3). The insertion rod (4) passes through the insertion holes (201) and penetrates the fixed adjusting tube (2) and the movable adjusting tube (3).
4. The recyclable short support device according to claim 3, characterized in that: The two adjacent fixed adjustment tubes (2) are connected by connecting ribs (7), and the two connecting ribs (7) pass through the insertion holes (201) at the top and bottom of the two adjacent fixed adjustment tubes (2).
5. The recyclable short support device according to claim 1 or 3, characterized in that: The inner diameter of the fixed adjusting tube (2) is larger than the outer diameter of the movable adjusting tube (3). The stabilizing wedge (8) is inserted into the gap between the fixed adjusting tube (2) and the movable adjusting tube (3) so that the fixed adjusting tube (2) and the movable adjusting tube (3) are coaxially arranged.
6. The recyclable short support device according to claim 5, characterized in that: The stabilizing wedge (8) includes a wedge top plate and a wedge body. A through hole is formed in the middle of the wedge top plate for the movable adjustment tube (3) to pass through. Several wedge bodies are arranged at intervals along the circumference of the through hole. Several wedge bodies are inserted into the gap between the fixed adjustment tube (2) and the movable adjustment tube (3).
7. The recyclable short support device according to claim 1, characterized in that: The top of the adjusting screw (5) is provided with a support plate (501), and several second stiffening ribs (502) are arranged circumferentially between the support plate (501) and the top of the adjusting screw (5).