Simple main reinforcement positioning device suitable for butt joint of cast-in-place pile reinforcement cages
By designing a simple main reinforcement positioning device, the problem of inconsistent stress on the main reinforcement when splicing the steel cage of cast-in-place piles was solved, realizing the unification of the stress direction and the improvement of the stress strength of the steel cage, which is suitable for the splicing of steel cages of cast-in-place piles.
Patent Information
- Application Number
- CN202423161320.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In the existing technology, when the reinforcement cage of a cast-in-place pile is spliced, the main reinforcement bars are subjected to inconsistent forces, resulting in uneven stress on the reinforcement cage and affecting the load-bearing effect of the pile foundation.
A simple main reinforcement positioning device was designed, including a positioning plate, a reinforcing hoop, a limiting plate, a positioning sleeve, and a scale plate. By using these components in combination, it is ensured that the main reinforcement bars of the steel cage maintain the same force direction when they are connected, and a sleeve connection is adopted.
It improves the positioning accuracy of the main reinforcement bars of the steel cage, ensuring that the force direction of the steel cage is consistent, thereby increasing the strength of the steel cage. At the same time, it is easy to process and does not increase the manufacturing difficulty.
Smart Images
Figure CN223634204U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to pile foundation construction technical field especially relates to a simple main reinforcement positioning device suitable for bored pile reinforcement cage butt joint. BACKGROUND
[0002] The bored pile reinforcement cage is limited to the length of the reinforcement raw material, which is generally not more than 12m, and for the pile foundation with longer pile length, the reinforcement cage needs to be lengthened before being lowered. The conventional lengthening method of the reinforcement cage is to connect two reinforcement cage main reinforcements by lap welding process, but this will cause the force direction of the reinforcement cage main reinforcement not to be on the same straight line, and at the same time, limited by the processing precision of the reinforcement cage, the positions of the two reinforcement cage main reinforcements are prone to deviation, which brings adverse effects on the force of the pile foundation. SUMMARY
[0003] In view of the problem that the welding process adopted for the conventional lengthening of the bored pile reinforcement cage will cause the force direction of the reinforcement cage main reinforcement not to be on the same straight line, the utility model designs a simple main reinforcement positioning device suitable for the butt joint of the bored pile reinforcement cage, which improves the positioning precision of the reinforcement cage main reinforcement by the positioning device, so as to adopt sleeve connection when the reinforcement cages are connected, and unify the force direction of the reinforcement cage main reinforcement.
[0004] The utility model is realized through the following technical schemes:
[0005] A simple main reinforcement positioning device suitable for the butt joint of the bored pile reinforcement cage, comprising a positioning plate and a reinforcement reinforcement hoop, the positioning plate is annular, the reinforcement reinforcement hoop is a circular ring formed by bending the reinforcement, and the reinforcement reinforcement hoop is coaxially arranged with the positioning plate and is arranged on one side of the positioning plate in a close manner.
[0006] A plurality of positioning holes are arranged in the circumferential direction of the positioning plate, each main reinforcement of the bored pile reinforcement cage is correspondingly inserted into each positioning hole, the positioning hole is located on the outer side of the reinforcement reinforcement hoop, and the main reinforcement of the bored pile reinforcement cage is tangentially and closely arranged on the outer side of the reinforcement reinforcement hoop after being inserted into the positioning hole.
[0007] In order to further realize the utility model, the following technical schemes can be preferentially selected:
[0008] Preferably, the device further comprises a limiting plate, the limiting plate is in the form of a circular tube, the limiting plate is coaxially arranged with the positioning plate and is located on the inner side of the positioning plate in the circumferential direction, and the reinforcement reinforcement hoop is sleeved on the limiting plate.
[0009] Preferably, the device further comprises a positioning sleeve, the positioning hole is in the form of a circular arc, a plurality of positioning sleeves are arranged on the side of the positioning plate away from the reinforcement reinforcement hoop in the circumferential direction, the inner diameter of the positioning sleeve is equal to the diameter of the main reinforcement of the bored pile reinforcement cage, the positioning sleeve is arranged in correspondence with the positioning hole, and the width of the positioning hole is not less than the inner diameter of the positioning sleeve.
[0010] Preferably, the fixed shaft is fixedly arranged at the shaft center of the positioning plate, and the connecting rods are arranged in a one-to-one correspondence with the positioning sleeves, one end of each connecting rod being rotatably sleeved on the fixed shaft and the other end being fixedly connected to the positioning sleeve.
[0011] Preferably, the scale plate is circular and arranged coaxially with the fixed shaft, and a plurality of scale lines are arranged on the side of the scale plate facing the positioning sleeves; and the connecting rods are arranged radially on the scale plate, and a transparent window is arranged on the connecting rod at the side of the scale line of the scale plate.
[0012] Preferably, the outer side of the end portion of the fixed shaft is threaded, and a locking nut is threadedly sleeved on the outer side of the end portion of the fixed shaft, the locking nut pressing all the connecting rods against the scale plate.
[0013] By means of the above technical scheme, the present application has the following beneficial effects:
[0014] The present application can effectively improve the positioning accuracy of the main reinforcement of the steel reinforcement cage without increasing the processing steps of the steel reinforcement cage, can keep the stress direction of the main reinforcement consistent by butt joint of the sleeves, and can effectively improve the stress strength of the steel reinforcement cage. The device is made of common materials in the construction site, is convenient to process, does not increase the difficulty of manufacturing the steel reinforcement cage, and is suitable for promotion. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 Fig. 1 is a structural schematic view of the present application;
[0016] Figure 2 Fig. 2 is another structural schematic view of the present application;
[0017] Figure 3 Fig. 3 is a structural sectional view of the present application;
[0018] Figure 4 Fig. 4 is an enlarged view of part A of the present application; Figure 3
[0019] Wherein: 1-positioning plate; 2-steel reinforcement hoop; 3-positioning hole; 4-limiting plate; 5-positioning sleeve; 6-fixed shaft; 7-connecting rod; 8-scale plate. DETAILED DESCRIPTION
[0020] In the description of the present application, it should be further explained that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", and "connect" should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0022] Example 1:
[0023] like Figures 1-4 As shown, a simple main reinforcement positioning device suitable for the splicing of cast-in-place pile reinforcement cages includes a positioning plate 1 and a reinforcement hoop 2. The positioning plate 1 is annular, and the reinforcement hoop 2 is a circular ring formed by bending steel bars. The reinforcement hoop 2 is coaxially arranged with the positioning plate 1 and fits against one side of the positioning plate 1.
[0024] The positioning plate 1 is provided with a plurality of positioning holes 3 in a circumferential array. Each main bar of the cast-in-place pile reinforcement cage passes through each of the positioning holes 3. The positioning holes 3 are located outside the reinforcement hoop 2. After the main bar of the cast-in-place pile reinforcement cage passes through the positioning hole 3, it is tangentially attached to the outer circumference of the reinforcement hoop 2.
[0025] To facilitate the positioning of the reinforcing hoop 2 and prevent slippage during welding, a limiting plate 4 is also included. The limiting plate 4 is in the shape of a circular tube and is coaxially arranged with the positioning plate 1 and located inside the circumference of the positioning plate 1. The reinforcing hoop 2 is fitted onto the limiting plate 4.
[0026] To improve applicability and suitability for different specifications and models of cast-in-place pile reinforcement cages, a positioning sleeve 5 is also included. The positioning hole 3 is arc-shaped. Multiple positioning sleeves 5 are circumferentially slidably arranged on the side of the positioning plate 1 away from the reinforcing hoop 2. The inner diameter of the positioning sleeve 5 is equal to the diameter of the main reinforcement of the cast-in-place pile reinforcement cage. The positioning sleeve 5 is set corresponding to the positioning hole 3, and the width of the positioning hole 3 is not less than the inner diameter of the positioning sleeve 5.
[0027] To ensure that the positioning sleeves 5 are on the same circumference, a fixed shaft 6 and a connecting rod 7 are also included. The fixed shaft 6 is fixedly set at the center of the positioning plate 1. The number of connecting rods 7 is equal to that of the positioning sleeves 5 and they are set one-to-one. One end of the connecting rod 7 is rotatably fitted onto the fixed shaft 6, and the other end is fixedly connected to the positioning sleeve 5.
[0028] In order to ensure the relative position state of each positioning sleeve 5, a scale plate 8 is further included, which is in a circular plate shape and coaxially arranged with the positioning shaft 6, and the side of the scale plate 8 facing the positioning sleeve 5 is uniformly provided with scale lines in the circumference, the connecting rod 7 is arranged radially along the scale plate 8, and the section of the connecting rod 7 on the upper side of the scale line of the scale plate 8 is provided with a transparent window, the outer side of the end of the positioning shaft 6 is in a threaded shape and is threadedly sleeved with a locking nut, and the locking nut tightly presses all the connecting rods 7 to the scale plate 8.
[0029] The positioning plate 1 can be cut into a ring shape from a thin steel plate, and the reinforcing steel bar 2 is made by bending a threaded steel bar and welding the first end to the tail end.
[0030] In use, the number of positioning sleeves 5 to be used is determined according to the specifications of the cast-in-place pile reinforcing cage, each positioning sleeve 5 to be used is adjusted to a set position and locked through the scale lines on the scale plate 8, the main reinforcement is passed through the locked positioning sleeve 5 when the reinforcing cage is processed, and then the reinforcing steel bar 2 is welded with the main reinforcement to ensure firmness, so that the main reinforcement of the reinforcing cage is accurately positioned.
[0031] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. A simple main reinforcement positioning device suitable for butt joint of reinforcement cage of cast-in-place pile, characterized in that, Including positioning plate (1) and steel reinforcement hoop (2), the positioning plate (1) is annular, the steel reinforcement hoop (2) is circular ring by bending steel, and the steel reinforcement hoop (2) is coaxially arranged with the positioning plate (1) and is arranged on one side of the positioning plate (1) in close contact; The positioning plate (1) is provided with a plurality of positioning holes (3) in the circumferential direction, and each main reinforcement of the cast-in-place pile reinforcement cage is correspondingly arranged in each positioning hole (3), the positioning hole (3) is located on the outer side of the steel reinforcement hoop (2), and the main reinforcement of the cast-in-place pile reinforcement cage is arranged in the positioning hole (3) and is tangentially arranged on the outer side of the steel reinforcement hoop (2).
2. The simple main reinforcement positioning device suitable for butt joint of reinforcement cage of cast-in-place pile according to claim 1, characterized in that, Further comprising a limiting plate (4), the limiting plate (4) is a circular tube, the limiting plate (4) is coaxially arranged with the positioning plate (1) and is located on the inner side of the positioning plate (1) in the circumferential direction, and the steel reinforcement hoop (2) is sleeved on the limiting plate (4).
3. The simple main reinforcement positioning device suitable for butt joint of reinforcement cage of cast-in-place pile according to claim 1, characterized in that, Further comprising a positioning sleeve (5), the positioning hole (3) is a circular arc, a plurality of positioning sleeves (5) are arranged on the side of the positioning plate (1) away from the steel reinforcement hoop (2) in the circumferential direction, the inner diameter of the positioning sleeve (5) is equal to the diameter of the main reinforcement of the cast-in-place pile reinforcement cage, the positioning sleeve (5) is correspondingly arranged with the positioning hole (3), and the width of the positioning hole (3) is not less than the inner diameter of the positioning sleeve (5).
4. The simple main reinforcement positioning device suitable for butt joint of reinforcement cage of cast-in-place pile according to claim 3, characterized in that, Further comprising a positioning sleeve (5), the positioning hole (3) is a circular arc, a plurality of positioning sleeves (5) are arranged on the side of the positioning plate (1) away from the steel reinforcement hoop (2) in the circumferential direction, the inner diameter of the positioning sleeve (5) is equal to the diameter of the main reinforcement of the cast-in-place pile reinforcement cage, the positioning sleeve (5) is correspondingly arranged with the positioning hole (3), and the width of the positioning hole (3) is not less than the inner diameter of the positioning sleeve (5).
5. The simple main reinforcement positioning device suitable for butt joint of reinforcement cage of cast-in-place pile according to claim 4, characterized in that, Further comprising a positioning sleeve (5), the positioning hole (3) is a circular arc, a plurality of positioning sleeves (5) are arranged on the side of the positioning plate (1) away from the steel reinforcement hoop (2) in the circumferential direction, the inner diameter of the positioning sleeve (5) is equal to the diameter of the main reinforcement of the cast-in-place pile reinforcement cage, the positioning sleeve (5) is correspondingly arranged with the positioning hole (3), and the width of the positioning hole (3) is not less than the inner diameter of the positioning sleeve (5).
6. The simple main reinforcement positioning device suitable for butt joint of reinforcement cage of cast-in-place pile according to claim 5, characterized in that, Further comprising a positioning sleeve (5), the positioning hole (3) is a circular arc, a plurality of positioning sleeves (5) are arranged on the side of the positioning plate (1) away from the steel reinforcement hoop (2) in the circumferential direction, the inner diameter of the positioning sleeve (5) is equal to the diameter of the main reinforcement of the cast-in-place pile reinforcement cage, the positioning sleeve (5) is correspondingly arranged with the positioning hole (3), and the width of the positioning hole (3) is not less than the inner diameter of the positioning sleeve (5). Further comprising a positioning sleeve (5), the positioning hole (3) is a circular arc, a plurality of positioning sleeves (5) are arranged on the side of the positioning plate (1) away from the steel reinforcement hoop (2) in the circumferential direction, the inner diameter of the positioning sleeve (5) is equal to the diameter of the main reinforcement of the cast-in-place pile reinforcement cage, the positioning sleeve (5) is correspondingly arranged with the positioning hole (3), and the width of the positioning hole (3) is not less than the inner diameter of the positioning sleeve (5). Further comprising a positioning sleeve (5), the positioning hole (3) is a circular arc, a plurality of positioning sleeves (5) are arranged on the side of the positioning plate (1) away from the steel reinforcement hoop (2) in the circumferential direction, the inner diameter of the positioning sleeve (5) is equal to the diameter of the main reinforcement of the cast-in-place pile reinforcement cage, the positioning sleeve (5) is correspondingly arranged with the positioning hole (3), and the width of the positioning hole (3) is not less than the inner diameter of the positioning sleeve (5).