Inner supporting device for pile foundation construction reinforcement cage
By using detachable support rods and adjustment devices, the problems of material consumption and steel bar waste caused by welding triangular internal supports were solved, achieving the effect of saving costs and improving construction efficiency.
Patent Information
- Application Number
- CN202422342498.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-09-25
AI Technical Summary
In the prior art, the welding of triangular inner supports for reinforcement cages in pile foundation construction not only increases the consumption of welding materials and engineering costs, but also leads to waste of reinforcement and a length that does not meet the requirements for reuse.
It uses a detachable support rod and adjustment device. The support rod can be adjusted and installed on the inner side of the steel cage through the adjustment device. The support length is adjusted using a serrated structure and gears, avoiding welding and cutting steps to meet the support requirements of different apertures.
It reduces the consumption of welding materials, avoids the waste of steel bars, reduces project costs, and improves construction efficiency and scope of application.
Smart Images

Figure CN223358248U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to an internal support device for a steel cage in pile foundation construction. Background Art
[0002] During construction, the reinforcement cages used in pile foundation construction are reinforced with welded triangular braces to increase the cage's rigidity and overall stability. This is primarily to prevent cage deformation during hoisting. During the cage lowering process, these welded triangular braces must be removed to minimize impact on the subsequent underwater concrete pouring process. These welded triangular braces are welded together, increasing the consumption of rebar, welding rods, or wire, thereby increasing project costs. Furthermore, these welded triangular braces must be removed promptly, but the length of the rebar after removal often does not meet reuse requirements, resulting in significant rebar loss. Utility Model Content
[0003] In response to the shortcomings of the existing technology, the utility model designs an internal support device for a steel cage for pile foundation construction, comprising: a support rod and an adjustment device; wherein, the number of the support rods is three, one end of the three support rods can be adjustably installed on the adjustment device, and the angle between any two of the three support rods is 120°; the other ends of the three support rods can be detachably supported on the inner side of the steel cage for pile foundation construction.
[0004] Preferably, the support rod includes: a main rod and a buckle; one end of the main rod is adjustably mounted on the adjustment device; the buckle is mounted on the other end of the main rod; and the buckle is detachably connected to the pile foundation construction steel cage.
[0005] Preferably, one end of the main rod is provided with a serration structure, and the main rod is adjustably mounted on the adjustment device through the serration structure.
[0006] Preferably, the adjustment device includes: a shell, an adjustment component and a fixing part; a fixing hole is provided on the side of the shell, and the fixing part is installed on the inner side of the shell, the number of fixing holes and fixing parts is three groups, and the three support rods are all slidably installed on the shell through the fixing holes and the fixing parts; the adjustment component is installed in the middle of the shell, and the three support rods are all adjustably connected to the adjustment component.
[0007] Preferably, the fixing member includes: a support column and a limiting ring; the support column is installed on the inner side of the shell; the limiting ring is installed on the support column; and the limiting ring is slidably connected to the support rod.
[0008] Preferably, the height of the limiting rings of each set of fixing members is different; wherein the height of the limiting rings of the fixing members matches the height of the fixing holes.
[0009] Preferably, the adjustment assembly includes: an adjusting knob, a fastening bolt and a gear; wherein, the gear is installed in the middle of the inner side of the shell; the adjusting knob is installed in the middle of the outer side of the shell; the adjusting knob is fixedly connected to the gear; the fastening bolt is installed on the outer side of the shell, and the fastening bolt is connected to the adjusting knob.
[0010] Preferably, the gears are thick gears.
[0011] Compared with the closest prior art, the beneficial effects of the present invention are:
[0012] 1. The support rod of the utility model is detachably supported on the inner side of the reinforcement cage of the pile foundation construction, which not only avoids the construction step of welding, thereby reducing the consumption of welding rods or welding wires and saving engineering costs, but also avoids the later cutting step, thereby avoiding the waste and loss of steel bars.
[0013] 2. The support rod of the utility model can be adjusted and installed on the adjustment device. By adjusting the connection length between the support rod and the adjustment device, the support length of the support rod can be changed, which can meet the support requirements of steel cages for pile foundation construction with different apertures and increase the scope of application.
[0014] 3. The utility model adjusts the support length of the support rod through the gear and serration structure. It is only necessary to twist the adjustment knob connected to the gear to easily control multiple support rods. The adjustment is convenient, the construction is fast, and the construction efficiency is increased. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the internal support device of the utility model.
[0016] Figure 2 This is a structural diagram of the support rod of the utility model.
[0017] Figure 3 This is a schematic diagram of the external structure of the regulating device of the utility model.
[0018] Figure 4 This is a schematic diagram of the internal structure of the regulating device of the utility model.
[0019] Figure 5 This is a structural diagram of the fixing member of the utility model.
[0020] Reference numerals:
[0021] 1-support rod, 11-main rod, 12-serrated structure, 13-buckle, 2-adjustment device, 21-housing, 22-adjustment knob, 23-fastening bolt, 24-gear, 25-fixing part, 26-support column, 27-limiting ring. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0023] Example 1
[0024] like Figure 1-Figure 5 As shown, the utility model provides an internal support device for a steel cage for pile foundation construction, comprising: a support rod 1 and an adjustment device 2; wherein, the number of the support rods 1 is three, one end of each of the three support rods 1 can be adjustably mounted on the adjustment device 2, and the angle between any two of the three support rods 1 is 120°; the other ends of the three support rods 1 can be detachably supported on the inner side of the steel cage for pile foundation construction. The detachable support rod 1 on the inner side of the steel cage for pile foundation construction not only avoids the welding construction step, thereby reducing the consumption of welding rods or welding wires and saving engineering costs, but also avoids the later cutting step, thereby avoiding waste and loss of steel bars. Moreover, the support rod 1 can be adjustably mounted on the adjustment device 2. By adjusting the connection length between the support rod 1 and the adjustment device 2, the support length of the support rod 1 can be changed, which can meet the support requirements for steel cages for pile foundation construction with different apertures, thereby increasing the scope of application.
[0025] In a preferred embodiment, the support rod 1 includes: a main rod 11 and a buckle 13; one end of the main rod 11 is adjustably mounted on the adjustment device 2; the buckle 13 is mounted on the other end of the main rod 11; the buckle 13 is detachably connected to the pile foundation construction steel cage.
[0026] In a preferred embodiment, a serration structure 12 is provided at one end of the main rod 11 , and the main rod 11 is adjustably mounted on the adjusting device 2 via the serration structure 12 .
[0027] In a preferred embodiment, the adjusting device 2 includes: a shell 21, an adjusting assembly and a fixing member 25; a fixing hole is provided on the side of the shell 21, and the fixing member 25 is installed on the inner side of the shell 21. The number of fixing holes and fixing members 25 is three groups, and the three support rods 1 are all slidably installed on the shell 21 through the fixing holes and the fixing members 25; the adjusting assembly is installed in the middle of the shell 21, and the three support rods 1 are all adjustably connected to the adjusting assembly.
[0028] In a preferred embodiment, the fixing member 25 includes: a support column 26 and a limiting ring 27; the support column 26 is installed on the inner side of the housing 21; the limiting ring 27 is installed on the support column 26; and the limiting ring 27 is slidably connected to the support rod 1.
[0029] In a preferred embodiment, the height of the retaining rings 27 of each set of fixing members 25 is different; the height of the retaining rings 27 of the fixing members 25 matches the height of the fixing holes. This height restriction of the retaining rings 27 of the fixing members 25 and the height of the fixing holes prevents collisions between the three support rods 1, thereby ensuring construction safety.
[0030] In a preferred embodiment, the adjustment assembly includes: an adjustment knob 22, a fastening bolt 23 and a gear 24; wherein the gear 24 is installed in the middle of the inner side of the housing 21; the adjustment knob 22 is installed in the middle of the outer side of the housing 21; the adjustment knob 22 is fixedly connected to the gear 24; the fastening bolt 23 is installed on the outer side of the housing 21, and the fastening bolt 23 is connected to the adjustment knob 22. Preferably, the gear 24 is a thick gear. The support length of the support rod is adjusted by the gear and serration structure. It is only necessary to twist the adjustment knob 22 connected to the gear to easily control multiple support rods 1. The adjustment is convenient, the construction is fast, and the construction efficiency is increased.
[0031] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of the pending claims of the present invention.
Claims
1. An internal support device for a steel cage in pile foundation construction, characterized in that: include: Support rod (1) and adjustment device (2); The number of the support rods (1) is three, one end of each of the three support rods (1) can be adjusted and mounted on the adjustment device (2), and the angle between any two of the three support rods (1) is 120°; The other ends of the three support rods (1) are detachably supported on the inner side of the reinforcement cage for pile foundation construction; The adjusting device (2) comprises: a housing (21), an adjusting component and a fixing member (25); The side of the shell (21) is provided with a fixing hole, and the fixing member (25) is installed on the inner side of the shell (21). The number of the fixing holes and the fixing members (25) is three, and the three support rods (1) are slidably installed on the shell (21) through the fixing holes and the fixing members (25); The adjustment component is installed in the middle of the housing (21), and the three support rods (1) are all adjustably connected to the adjustment component.
2. The inner support device for a steel cage for pile foundation construction according to claim 1, characterized in that: The support rod (1) comprises: a main rod (11) and a buckle (13); One end of the main rod (11) is adjustably mounted on the adjustment device (2); The buckle (13) is mounted on the other end of the main rod (11); The buckle (13) is detachably connected to the pile foundation construction reinforcement cage.
3. The inner support device for a steel cage for pile foundation construction according to claim 2, characterized in that: One end of the main rod (11) is provided with a sawtooth structure (12), and the main rod (11) is adjustably mounted on the adjustment device (2) via the sawtooth structure (12).
4. The inner support device for a steel cage for pile foundation construction according to claim 1, characterized in that: The fixing member (25) includes: a support column (26) and a limiting ring (27); The support column (26) is installed on the inner side of the housing (21); The limiting ring (27) is mounted on the supporting column (26); The limiting ring (27) is slidably connected to the support rod (1).
5. The inner support device for a steel cage for pile foundation construction according to claim 4, characterized in that: The limiting rings (27) of each group of the fixing members (25) have different heights; Wherein, the height of the limiting ring (27) of the fixing member (25) matches the height of the fixing hole.
6. The inner support device for a steel cage for pile foundation construction according to claim 4, characterized in that: The adjustment assembly comprises: an adjustment knob (22), a fastening bolt (23) and a gear (24); Wherein, the gear (24) is installed in the middle of the inner side of the housing (21); The adjusting knob (22) is mounted on the middle portion of the outer side of the housing (21); The adjusting knob (22) is fixedly connected to the gear (24); The fastening bolt (23) is installed on the outside of the housing (21), and the fastening bolt (23) is connected to the adjusting knob (22).
7. The inner support device for a steel cage for pile foundation construction according to claim 6, characterized in that: The gear (24) is a thick gear.