Novel assembly type adjustable pier column steel bar fixing device

The prefabricated adjustable pier column reinforcement fixing device solves the problem of the complexity and time-consuming nature of traditional reinforcement fixing methods, and realizes the precise fixing and efficient construction of multi-specification reinforcement cages, ensuring the stability of the bridge pier structure and the construction quality.

CN222349502UInactive Publication Date: 2025-01-14ZHEJIANG UNIV OF TECH
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Patent Information

Application Number
CN202420989105.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-01-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional methods of fixing reinforcing bars are complex and time-consuming, and are only applicable to reinforcing cages of a fixed diameter. They cannot accommodate reinforcing cages of various sizes, which makes the bridge pier structure prone to displacement under concrete pressure, affecting construction quality and efficiency.

Method used

An assembled adjustable pier column reinforcement fixing device is adopted, including a V-shaped opening fixing plate, segment limiting plate, gear components and T-shaped adjusting rod. The combination structure realizes the fixing of multi-specification reinforcement cages, and the gear adjustment and buckle fixing are used to ensure the stability of the reinforcement cage during the concrete pouring process.

Benefits of technology

It improves the fixing accuracy and construction efficiency of steel cages, prevents longitudinal reinforcement displacement, ensures project quality, and is reusable, suitable for steel cages of different specifications and layouts for bridge piers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel assembly type adjustable pier column steel bar fixing device which comprises a V-shaped opening fixing plate, a round through hole is formed in the V-shaped opening fixing plate, a plurality of V-shaped grooves are formed in the round through hole in an annular array mode along the circumference, and longitudinal bars are arranged at the bottoms of the V-shaped grooves. The segment limiting plates are arranged in the circular through hole, and the shape defined by the segment limiting plates which are connected end to end is matched with the circular through hole; a protrusion matched with the V-shaped groove in shape is arranged on the side, facing the V-shaped groove, of each segment limiting plate. The gear component is arranged on the segment limiting plate; a rack meshed with the gear is arranged on the gear component, and the gear slides in the radial direction of the circular through hole; the T-shaped adjusting rod is arranged on the outer side wall of the V-shaped opening fixing plate, and the V-shaped opening fixing plate is fixedly connected with an external wood formwork through the T-shaped adjusting rod. The device is easy to operate, the accuracy is guaranteed, and meanwhile the device can be easily detached and repeatedly used after pouring is completed.
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Description

Technical Field

[0001] The utility model belongs to the technical field of steel bar construction, and in particular relates to a novel assembled adjustable pier column steel bar fixing device. Background Art

[0002] In the field of bridge construction, pile foundation pouring is a key step, which involves precisely placing the steel cage in the drilled pile hole and supporting it with formwork, followed by the pouring of concrete. However, when encountering high pier structures, the upper steel cage may have problems with instability. Under the pressure of concrete or other external factors, the position of the longitudinal reinforcement may shift, which will not only damage the integrity of the structure, but may also cause stability problems and even require demolition and redoing, resulting in additional costs and time delays.

[0003] Traditional steel bar fixing methods are complicated and time-consuming, and are only applicable to steel bar cages of fixed diameters. In view of this, there is an urgent need for an assembled longitudinal reinforcement fixing device that is easy to operate and can adapt to steel bar cages of various sizes to improve construction efficiency and ensure construction quality. Summary of the invention

[0004] In order to solve the technical problems that traditional steel bar fixing methods are complicated and time-consuming and are only applicable to steel bar cages with fixed diameters, the utility model provides a new assembled adjustable pier column steel bar fixing device, which can be applied to bridge pier steel bar cages of different specifications and layouts. The internal limit plates adopt assembled components and can be assembled and fixed in batches. The positions between adjacent plates can be adjusted. The operation is simple and the accuracy is guaranteed. At the same time, the device can be easily disassembled and reused after the pouring is completed, which improves the construction efficiency and project quality while ensuring the construction accuracy.

[0005] The technical solution adopted by the utility model is:

[0006] A novel assembled adjustable pier column steel bar fixing device is characterized by comprising:

[0007] A V-shaped opening fixing plate (1), wherein a circular through hole is formed on the V-shaped opening fixing plate (1), wherein the circular through hole has a plurality of V-shaped grooves arranged in a circular array along a circumference, wherein longitudinal ribs (13) are arranged at the bottom of the V-shaped grooves, and each V-shaped groove corresponds to a longitudinal rib (13); and stirrups (14) enclose the plurality of longitudinal ribs (13);

[0008] A plurality of segment limiting plates (10) are arranged in the circular through hole, and the shape enclosed by the segment limiting plates (10) when connected end to end matches the circular through hole; a protrusion matching the shape of the V-shaped groove is provided on the side of each segment limiting plate (10) facing the V-shaped groove, the protrusion is embedded in the V-shaped groove, and the space enclosed by the end of the protrusion and the bottom of the V-shaped groove is used to accommodate the longitudinal rib (13);

[0009] A gear component (2) is arranged on the segment limiting plate (10), and each segment limiting plate (10) corresponds to a gear component (2); a rack meshing with the gear (3) is provided on the gear component (2), the gear (3) moves back and forth on the rack, and the gear (3) slides along the radial direction of the circular through hole; a buckle is provided on the side of the gear component (2) away from the rack, and the buckle cooperates with the gear (3) to fix the longitudinal rib (13);

[0010] A T-shaped adjusting rod (7) is arranged on the outer side wall of the V-shaped opening fixing plate (1), and the V-shaped opening fixing plate (1) is connected and fixed to the external wooden template via the T-shaped adjusting rod (7).

[0011] Furthermore, the T-shaped adjustment rod (7) is fixedly connected to the external wooden template via a self-tapping screw (9).

[0012] Furthermore, the buckle (4) is arranged on the V-shaped opening fixing plate (1) via a support (5), and the buckle (4) is rotatably arranged on the support (5), and the support (5) is fixedly connected to the V-shaped opening fixing plate (1).

[0013] Furthermore, it also includes a connecting member (11), and the adjacent segment limit plates (10) are connected by the connecting member (11), and the two ends of the connecting member (11) are respectively rotatably connected to the adjacent segment limit plates (10); the adjacent segment limit plates (10) can move relative to each other.

[0014] Furthermore, a waist-shaped hole is provided on the connecting piece (11), and the connecting piece (11) and the segment limiting plate (10) are fixedly connected via a hexagonal bolt (12), and the hexagonal bolt (12) is free to slide in the waist-shaped hole.

[0015] Furthermore, the interior of the V-shaped groove is roughly arranged, and the bottom of the V-shaped groove is connected in an arc-shaped transition.

[0016] Furthermore, a sliding rod (6) is provided between the gear member (2) and the V-shaped opening fixing plate (1), the gear member (2) slides on the sliding rod (6), the sliding rod (6) and the V-shaped opening fixing plate (1) are fixedly connected, and the sliding rod (6) and the gear (3) are movably connected.

[0017] Furthermore, a track for the sliding rod (6) to slide is preset in the middle of the bottom of the gear component.

[0018] Furthermore, after the gear (3) is adjusted to a suitable position, the buckle (4) restricts rotation.

[0019] Compared with the prior art, the beneficial effects of the utility model are embodied in:

[0020] 1. The utility model can provide stable support for the steel cage during the pouring process. Through flexible design, it can be applied to the steel cages of bridge piers of different specifications and layouts, which speeds up the accurate arrangement of the steel cages and effectively avoids the slippage of concrete during pile operation. At the same time, the combined assembly structure can be disassembled and reused many times after use, which ensures the construction accuracy while improving the construction efficiency and project quality.

[0021] 2. The utility model device can fix the steel bars at the bottom of the V-shaped opening in different directions through the design of the V-shaped opening. Through the non-fixed connection of the internal segmented limiting plate and the stepless adjustment of the gear, the pier steel cage with different hole diameters and steel bar diameters can be fixed.

[0022] 3. The device of the utility model adopts a combined assembly structure. A single stage limit plate can be operated independently in each groove. When the longitudinal reinforcement is inserted into the V-shaped groove, it can be fine-tuned through the respective gears. Each gear is equipped with a snap-fit ​​piece, which can automatically engage or manually fix the gear position, thereby fixing longitudinal reinforcements of different numbers and different spacings. When the pouring is completed, the combined components can be disassembled in sequence and reused, effectively preventing the displacement of the longitudinal reinforcement during the concrete pouring process, ensuring the construction accuracy while improving the construction efficiency and project quality.

[0023] 4. After the V-shaped opening fixing plate of the utility model is connected and fixed between the wooden formwork by a T-shaped adjusting rod, the wooden formwork and the T-shaped adjusting rod are connected by self-tapping screws, so that the new device can be used for casting the steel cage of traditional bridge piers and the steel cage of hollow pier columns. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic diagram of a new type of assembled adjustable pier column reinforcement positioning device;

[0025] Figure 2 It is the plan view of the new assembled adjustable pier column reinforcement positioning device;

[0026] Figure 3 It is a side view of a new type of assembled adjustable pier column reinforcement positioning device;

[0027] Figure 4 It is a partial three-dimensional schematic diagram of a new type of assembled adjustable pier column reinforcement positioning device;

[0028] Figure 5 It is a partial plan view of the new assembled adjustable pier column reinforcement positioning device.

[0029] Markings in the figure:

[0030] 1-V-shaped opening fixing plate, 2-gear component, 3-gear, 4-clip, 5-support, 6-slide rod, 7-T-type adjusting rod, 8-fixing bolt, 9-self-tapping screw, 10-segment limiting plate, 11-connecting piece, 12-hexagonal bolt, 13-longitudinal reinforcement, 14-stirrup. DETAILED DESCRIPTION

[0031] The specific implementation of the embodiment of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the embodiment of the present invention, and is not used to limit the embodiment of the present invention.

[0032] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0033] The present invention will be described in detail below in conjunction with exemplary embodiments with reference to the accompanying drawings.

[0034] refer to Figures 1 to 5 The utility model discloses a novel assembled adjustable pier column steel bar fixing device, comprising:

[0035] A V-shaped opening fixing plate 1, wherein a circular through hole is formed on the V-shaped opening fixing plate 1, wherein the circular through hole has a plurality of V-shaped grooves in an annular array along a circumference, wherein longitudinal ribs 13 are arranged at the groove bottoms of the V-shaped grooves, and each V-shaped groove corresponds to a longitudinal rib 13; and stirrups 14 enclose the plurality of longitudinal ribs 13;

[0036] A plurality of segment limiting plates 10 are arranged in the circular through hole, and the shape enclosed by the plurality of segment limiting plates 10 connected end to end is adapted to the circular through hole; a protrusion matching the shape of the V-shaped groove is provided on the side facing the V-shaped groove of each segment limiting plate 10, the protrusion is embedded in the V-shaped groove, and the space enclosed by the end of the protrusion and the bottom of the V-shaped groove is used to accommodate the longitudinal rib 13;

[0037] The gear member 2 is arranged on the segment limit plate 10, and each segment limit plate 10 corresponds to a gear member 2; the gear member 2 is provided with a rack meshing with the gear 3, the gear 3 moves back and forth on the rack, and the gear 3 slides along the radial direction of the circular through hole; a buckle is provided on the side of the gear member 2 away from the rack, and the buckle cooperates with the gear 3 to fix the longitudinal rib 13;

[0038] The T-shaped adjusting rod 7 is arranged on the outer side wall of the V-shaped opening fixing plate 1 , and the V-shaped opening fixing plate 1 is connected and fixed to the external wooden template through the T-shaped adjusting rod 7 .

[0039] In one embodiment, the T-shaped adjusting rod 7 is fixedly connected to the external wooden formwork by self-tapping screws 9, which is easy to disassemble and reusable. The wooden formwork and the T-shaped adjusting rod are connected by self-tapping screws, so that the new device can be used for casting the steel cage of traditional bridge piers and the steel cage of hollow pier columns.

[0040] In one embodiment, the buckle 4 is disposed on the V-shaped opening fixing plate 1 via a support 5 , and the buckle 4 is rotatably disposed on the support 5 , and the support 5 is fixedly connected to the V-shaped opening fixing plate 1 .

[0041] In one embodiment, a connecting member 11 is further included, and adjacent segment limit plates 10 are connected by the connecting member 11, and both ends of the connecting member 11 are rotatably connected to adjacent segment limit plates 10; adjacent segment limit plates 10 can move relative to each other. Adjacent segment limit plates 10 are connected by the connecting member 11 but not fixed, and adjacent segment limit plates 10 can slide relative to each other.

[0042] In one embodiment, a waist-shaped hole is opened on the connecting member 11, and the connecting member 11 and the segment limiting plate 10 are fixedly connected by a hexagonal bolt 12, and the hexagonal bolt 12 slides freely in the waist-shaped hole.

[0043] In one embodiment, the interior of the V-shaped groove is arranged roughly, and the bottom of the V-shaped groove is connected in an arc transition. The V-shaped opening fixing plate 1 is made of wear-resistant and corrosion-resistant materials, and the V-shaped groove is roughened to prevent the steel bar from slipping.

[0044] In one embodiment, a sliding rod 6 is provided between the gear component 2 and the V-shaped opening fixing plate 1, the gear component 2 slides on the sliding rod 6, the sliding rod 6 is fixedly connected to the V-shaped opening fixing plate 1, and the sliding rod 6 and the gear 3 are movably connected.

[0045] In one embodiment, a track for the sliding rod 6 to slide is preset in the middle of the bottom of the gear member.

[0046] In one embodiment, after the gear 3 is adjusted to a suitable position, the rotation is restricted by the buckle 4 .

[0047] The specific implementation steps of the utility model device are:

[0048] Step 1: First, fix the V-shaped opening fixing plate 1 to the steel cage template, adjust the T-shaped adjusting rod 7 to make the longitudinal steel bar contact the bottom of the V-shaped opening, use self-tapping screws to fix the T-shaped adjusting rod 7 and tighten the fixing bolts 8 at the same time.

[0049] Step 2: After the V-shaped opening fixing plate 1 is fixed, the segment limiting plates 10 are assembled one by one through the sliding rod 6, and then the segment limiting plates 10 are assembled into a whole using the connecting piece 11.

[0050] Step three: Arrange the steel bars at the bottom or top of the V-shaped opening according to different specifications of steel cages and hole sizes, adjust the segment limit plate 10 to be in close contact with the steel bars through the gear 3, and use the buckle 4 to fasten the gear 3 to fix the steel bars.

[0051] Step 4: Tighten the hexagonal bolt 12 and check whether the bolt 8 is loose. After the inspection is qualified, pour concrete through the internal space. After the pouring is completed, the device can be disassembled and reused before the next steel cage is poured.

[0052] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A novel assembled adjustable pier column steel bar fixing device, characterized in that: include: A V-shaped opening fixing plate (1), wherein a circular through hole is formed on the V-shaped opening fixing plate (1), wherein the circular through hole has a plurality of V-shaped grooves arranged in a circular array along a circumference, wherein longitudinal ribs (13) are arranged at the bottom of the V-shaped grooves, and each V-shaped groove corresponds to a longitudinal rib (13); and stirrups (14) enclose the plurality of longitudinal ribs (13); A plurality of segment limiting plates (10) are arranged in the circular through hole, and the shape enclosed by the segment limiting plates (10) when connected end to end matches the circular through hole; a protrusion matching the shape of the V-shaped groove is provided on the side of each segment limiting plate (10) facing the V-shaped groove, the protrusion is embedded in the V-shaped groove, and the space enclosed by the end of the protrusion and the bottom of the V-shaped groove is used to accommodate the longitudinal rib (13); A gear component (2) is arranged on the segment limiting plate (10), and each segment limiting plate (10) corresponds to a gear component (2); a rack meshing with the gear (3) is provided on the gear component (2), the gear (3) moves back and forth on the rack, and the gear (3) slides along the radial direction of the circular through hole; a buckle is provided on the side of the gear component (2) away from the rack, and the buckle cooperates with the gear (3) to fix the longitudinal rib (13); A T-shaped adjusting rod (7) is arranged on the outer side wall of the V-shaped opening fixing plate (1), and the V-shaped opening fixing plate (1) is connected and fixed to the external wooden template via the T-shaped adjusting rod (7).

2. A novel assembled adjustable pier column steel bar fixing device as claimed in claim 1, characterized in that: The T-shaped adjusting rod (7) is fixedly connected to the external wooden template via a self-tapping screw (9).

3. A novel assembled adjustable pier column steel bar fixing device as claimed in claim 1, characterized in that: The buckle (4) is arranged on the V-shaped opening fixing plate (1) via a support (5), and the buckle (4) is rotatably arranged on the support (5), and the support (5) is fixedly connected to the V-shaped opening fixing plate (1).

4. A novel assembled adjustable pier column steel bar fixing device as claimed in claim 1, characterized in that: It also comprises a connecting member (11), through which adjacent segment limit plates (10) are connected, and two ends of the connecting member (11) are rotatably connected to adjacent segment limit plates (10) respectively; adjacent segment limit plates (10) can move relative to each other.

5. A novel assembled adjustable pier column reinforcement fixing device as claimed in claim 4, characterized in that: The connecting piece (11) is provided with a waist-shaped hole, and the connecting piece (11) and the segment limiting plate (10) are fixedly connected via a hexagonal bolt (12), and the hexagonal bolt (12) is free to slide in the waist-shaped hole.

6. A novel assembled adjustable pier column reinforcement fixing device as claimed in claim 1, characterized in that: The interior of the V-shaped groove is roughly arranged, and the bottom of the V-shaped groove is transitionally connected in an arc shape.

7. A novel assembled adjustable pier column reinforcement fixing device as claimed in claim 1, characterized in that: A sliding rod (6) is provided between the gear member (2) and the V-shaped opening fixing plate (1), the gear member (2) slides on the sliding rod (6), the sliding rod (6) and the V-shaped opening fixing plate (1) are fixedly connected, and the sliding rod (6) and the gear (3) are movably connected.

8. A novel assembled adjustable pier column reinforcement fixing device as claimed in claim 7, characterized in that: A track for the sliding rod (6) to slide is preset in the middle of the bottom of the gear component.

9. A novel assembled adjustable pier column reinforcement fixing device as claimed in claim 7, characterized in that: After the gear (3) is adjusted to a suitable position, the buckle (4) limits rotation.