Built-in aggregate fixing and binding device
By using a built-in aggregate fixing and binding device, the problem of deviation in the preset position of intelligent aggregates is solved, and the intelligent aggregates are accurately fixed in concrete structures, thereby improving the accuracy and reliability of test results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CONSTR RES INST TESTING CENT CO LTD
- Filing Date
- 2025-09-03
- Publication Date
- 2026-06-30
AI Technical Summary
The pre-set position of smart aggregates inside concrete structures is difficult to fix according to design requirements, causing monitoring data to deviate from the target measuring point and affecting the accuracy and reliability of the test results.
It provides a built-in aggregate fixing and binding device, including an aggregate fixing shell and fixing rods. The smart aggregates are fixed in the designed position by fixing rods that correspond one-to-one with the edge of the steel cage. Precise fixing is achieved by using deformable rings and modular rod units.
To ensure the precise positioning of smart aggregates during construction, improve the accuracy and reliability of monitoring data, and support the promotion and application of smart aggregate technology in the internal condition monitoring of concrete structures.
Smart Images

Figure CN224433981U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of built-in aggregate fixing and binding technology, and particularly relates to a built-in aggregate fixing and binding device. Background Technology
[0002] The quality of construction projects is directly related to the safety of people's lives and property, sustainable urban development, and the level of new urbanization. As construction management models accelerate their transformation towards intelligent, industrial, and green construction, traditional methods of construction quality management, relying on manual inspections and sampling tests, are no longer sufficient to meet the demands of precise, digital, and intelligent quality control in the new era. Currently, the field of intelligent detection and monitoring of construction quality faces multiple technical bottlenecks: the level of intelligence in concealed works defect detection technology is insufficient, and the maturity of existing equipment is low; the volume of detection data is large, and analysis methods are lagging behind, making it difficult to support real-time, dynamic quality assessment; especially in the monitoring of the internal condition of concrete structures, there is a lack of effective technical means.
[0003] Against this backdrop, smart aggregates have emerged as a novel intelligent detection technology. Based on the principle of built-in ultrasonic monitoring, it enables continuous monitoring of structural stress, damage, and strength development by pre-embedding piezoelectric smart aggregates inside concrete. However, this technology still faces key challenges in practical applications: due to the complexity of construction processes and on-site operational errors, the preset positions of the smart aggregates often cannot be fixed as required by the design, causing monitoring data to deviate from the target measuring points. This severely restricts the accuracy and reliability of the detection results, thereby limiting the widespread application of this technology. Utility Model Content
[0004] The purpose of this invention is to provide a built-in aggregate fixing and binding device to solve the above-mentioned problems.
[0005] To achieve the above objectives, this utility model provides the following solution:
[0006] The built-in aggregate fixing and binding device includes: an aggregate fixing shell, a smart aggregate set inside the aggregate fixing shell, and multiple aggregate fixing rods fixedly connected to the aggregate fixing shell. The multiple aggregate fixing rods are arranged one-to-one with the edges of the reinforcing cage, and the end of the aggregate fixing rod away from the aggregate fixing shell is fixedly connected to the edge of the reinforcing cage.
[0007] In the built-in aggregate fixing and binding device of this utility model, the aggregate fixing shell includes a deformable ring body, and the smart aggregate is disposed in the deformable ring body. A through groove is opened on the deformable ring body along the axial direction of the deformable ring body. Two connecting pieces are fixedly connected to the deformable ring body, and the two connecting pieces are respectively located on both sides of the through groove. An aggregate fixing shell bolt hole is opened on each of the two connecting pieces, and an aggregate fixing shell bolt passes through the aggregate fixing shell bolt hole. The two ends of the aggregate fixing shell bolt abut against the two connecting pieces.
[0008] In the built-in aggregate fixing and binding device of this utility model, the aggregate fixing rod includes multiple rod units, which are connected end to end in sequence. One end of each rod unit is provided with a first threaded hole, and the other end of each rod unit is fixed with a first threaded post. The rod unit, the first threaded hole, and the first threaded post are coaxially arranged. The first threaded hole is adapted to the first threaded post. The first threaded holes of two adjacent rod units are threadedly connected to the first threaded post, and two adjacent rod units abut against each other.
[0009] In the built-in aggregate fixing and binding device of this utility model, a plurality of aggregate fixing shell protrusion bolts are fixedly connected circumferentially at equal intervals on the outer side wall of the deformable ring. The aggregate fixing shell protrusion bolts are adapted to the first threaded hole. The first threaded hole of the rod unit located at one end of the aggregate fixing rod is threadedly connected to the aggregate fixing shell protrusion bolt.
[0010] In the built-in aggregate fixing and binding device of this utility model, the rod unit at the other end of the aggregate fixing rod is fixedly connected to the buckle, and the buckle is fixedly connected to the side of the reinforcing cage.
[0011] In the built-in aggregate fixing and binding device of this utility model, the buckle includes two arc-shaped plates, the concave surfaces of the two arc-shaped plates are respectively arranged, and the two ends of the concave surfaces of the arc-shaped plates are fixedly connected to fixing plates. The fixing plates on the two arc-shaped plates are respectively arranged to correspond to each other. The fixing plates are provided with buckle bolt holes. The edge of the reinforcing cage is located between the concave surfaces of the two arc-shaped plates. The two adjacent fixing plates on the two arc-shaped plates are fixedly connected by a second bolt, which passes through the buckle bolt hole.
[0012] In the built-in aggregate fixing and binding device of this utility model, the first threaded post of the rod unit located at one end of the aggregate fixing rod is threaded between two adjacent fixing plates, and the two adjacent fixing plates are fixedly connected by a second bolt.
[0013] In the built-in aggregate fixing and binding device of this utility model, the number of the aggregate fixing shell protruding bolts is 4.
[0014] Compared with the prior art, the present invention has the following advantages and technical effects:
[0015] This invention addresses the problem in existing intelligent aggregate technologies where complex construction processes and on-site operational errors lead to deviations in the preset positions of intelligent aggregates from design requirements, resulting in monitoring data deviating from target measuring points and limiting accuracy and reliability. It provides a built-in aggregate fixing and binding device. The intelligent aggregate is fixed in an aggregate fixing shell, with aggregate fixing rods corresponding one-to-one with the edges of the reinforcing cage installed on it. The other end of each aggregate fixing rod is fixed to the reinforcing cage, achieving precise fixing of the intelligent aggregate position. This invention effectively avoids aggregate position deviation caused by operational errors or process interference during construction, ensuring that monitoring data corresponds to the target measuring points, significantly improving the accuracy and reliability of the detection results, and providing key technical support for the widespread application of intelligent aggregate technology in the internal condition monitoring of concrete structures. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is the front view of the present invention;
[0018] Figure 2 This is a schematic diagram of the buckle structure in this utility model;
[0019] Among them, 1. aggregate fixing shell; 2. aggregate fixing rod; 3. buckle; 4. aggregate fixing shell bolt hole; 5. aggregate fixing shell protruding bolt; 6. aggregate fixing shell bolt; 7. buckle bolt hole. Detailed Implementation
[0020] 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 protection scope of the present utility model.
[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0022] Reference Figures 1 to 2This utility model discloses a built-in aggregate fixing and binding device, including: an aggregate fixing shell 1, an intelligent aggregate set inside the aggregate fixing shell 1, and multiple aggregate fixing rods 2 fixedly connected to the aggregate fixing shell 1. The multiple aggregate fixing rods 2 are arranged one-to-one with the edge of the reinforcing cage, and the end of the aggregate fixing rod 2 away from the aggregate fixing shell 1 is fixedly connected to the edge of the reinforcing cage.
[0023] In one alternative embodiment, the aggregate fixing shell 1 includes a deformable ring body, with the smart aggregate disposed within the deformable ring body. A through groove is formed on the deformable ring body along its axial direction. Two connecting pieces are fixedly connected to the deformable ring body, located on opposite sides of the through groove. Each connecting piece has an aggregate fixing shell bolt hole 4, and an aggregate fixing shell bolt 6 passes through the bolt hole 4. The two ends of the aggregate fixing shell bolt 6 abut against the two connecting pieces.
[0024] The deformable ring body allows for slight deformation of its circumference through a through-slot structure. The circumference of the deformable ring body can be adjusted by adjusting the tightness of the aggregate fixing shell bolts 6 (i.e., the distance between the two connecting pieces), thereby adapting to the size of the smart aggregate. The aggregate fixing shell protruding bolts 5 are used to connect with the rod unit of the aggregate fixing rod 2. The deformable ring body can adapt to smart aggregates of different sizes by adjusting the circumference of the aggregate fixing shell bolts 6. The through-slot design allows the deformable ring body to deform slightly to tightly wrap the smart aggregate and reduce the shaking of the smart aggregate in the shell. The aggregate fixing shell protruding bolts 5 provide a connection base for the aggregate fixing rod 2.
[0025] In one alternative embodiment, the aggregate fixing rod 2 includes multiple rod units connected end to end. One end of each rod unit has a first threaded hole, and the other end of each rod unit is fixed with a first threaded post. The rod unit, the first threaded hole, and the first threaded post are coaxially arranged. The first threaded hole and the first threaded post are adapted to each other. The first threaded holes of two adjacent rod units are threadedly connected to the first threaded post, and the two adjacent rod units abut against each other.
[0026] Multiple rod units are connected end-to-end by threads to form an adjustable aggregate fixing rod 2. The total length of the aggregate fixing rod 2 can be adjusted by adjusting the number of rod units or replacing rod units of different lengths. The first rod unit is connected to the aggregate fixing shell protruding bolt 5 through the first threaded hole, and the last rod unit is fixed to the buckle 3 through the first threaded post. The threaded connection design of multiple rod units realizes the flexible adjustment of the length of the aggregate fixing rod 2, which can adapt to the spacing deviation between the edges of the steel cage. The modular structure facilitates transportation and on-site assembly.
[0027] In one alternative, a plurality of aggregate fixing shell protrusion bolts 5 are circumferentially and equally spaced on the outer side wall of the deformable ring. The aggregate fixing shell protrusion bolts 5 are adapted to the first threaded hole, and the first threaded hole of the rod unit located at one end of the aggregate fixing rod 2 is threadedly connected to the aggregate fixing shell protrusion bolts 5.
[0028] In one alternative, the rod unit at the other end of the aggregate fixing rod 2 is fixedly connected to the buckle 3, and the buckle 3 is fixedly connected to the side of the reinforcing cage.
[0029] In one alternative embodiment, the buckle 3 includes two arc-shaped plates with their concave surfaces corresponding to each other. Each end of the concave surface of the arc-shaped plate is fixedly connected to a fixing plate. The fixing plates on the two arc-shaped plates are arranged one-to-one. The fixing plates are provided with buckle bolt holes 7. The edge of the reinforcing cage is located between the concave surfaces of the two arc-shaped plates. The two adjacent fixing plates on the two arc-shaped plates are fixedly connected by a second bolt, which passes through the buckle bolt hole 7.
[0030] In one alternative, the first threaded post of the rod unit located at one end of the aggregate fixing rod 2 is threaded between two adjacent fixing plates, and the two adjacent fixing plates are fixedly connected by a second bolt.
[0031] Two of the two adjacent fixing plates have threaded bolt holes 7, while the other two adjacent fixing plates have smooth bolt holes 7. The two threaded bolt holes 7 are threaded to the first threaded post, and the two smooth bolt holes 7 are fitted with a second bolt. The nut and the cap of the second bolt abut against the side wall of the fixing plate that is far away from it.
[0032] In one alternative, the number of aggregate fixing shell protrusion bolts 5 is 4.
[0033] Two arc-shaped plates are joined together to form a ring-shaped clamp structure. The clamp 3 can be fixed to the edge of the steel cage with different diameters by tightening the second bolt through the clamp bolt hole 7. The first threaded post at the end of the rod unit is inserted between the two fixing plates and forms a rigid connection with the clamp 3 by the second bolt. The arc-shaped plate structure can be adapted to the edge of the steel cage with different diameters. The connection between the clamp 3 and the steel cage is ensured by the bolt fixing connection. The bolt connection between the rod unit and the clamp 3 transmits the position information of the aggregate fixing shell 1 to the steel cage, and uses the overall rigidity of the steel cage to constrain the position of the aggregate.
[0034] Work process:
[0035] According to the size of the smart aggregate, adjust the tightness of the aggregate fixing shell bolts 6 to make the circumference of the deformable ring body match the size of the aggregate. Place the smart aggregate into the deformable ring body and tighten the bolts to fix it. Align the protruding bolts 5 of the aggregate fixing shell with the first threaded hole of the first end rod unit of the aggregate fixing rod 2 and tighten them to connect the two. According to the actual spacing of the steel cage edge, adjust the total length of the aggregate fixing rod 2 by adding, subtracting or replacing rod units to ensure that the aggregate fixing rod 2 can extend to the edge of the steel cage. Clamp the arc plate of the buckle 3 to the edge of the steel cage, insert the second bolt and tighten it to fix the buckle 3 to the steel cage. Insert the first threaded post of the rod unit at the end of the aggregate fixing rod 2 between the two fixing plates of the buckle 3 and tighten it together with the second bolt to complete the overall fixation. During the concrete pouring process, the device resists vibration disturbance through the rigidity constraint of the steel cage to ensure that the smart aggregate is kept in the design position and realizes continuous monitoring of structural stress, damage and strength development.
[0036] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0037] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.
Claims
1. An internal aggregate fixing and binding device, characterized in that, include: An aggregate fixing shell (1) is provided, and intelligent aggregates are set inside the aggregate fixing shell (1). Multiple aggregate fixing rods (2) are fixedly connected to the aggregate fixing shell (1). The multiple aggregate fixing rods (2) are arranged one-to-one with the side of the steel cage. The end of the aggregate fixing rod (2) away from the aggregate fixing shell (1) is fixedly connected to the side of the steel cage.
2. The built-in aggregate fixing and binding device according to claim 1, characterized in that: The aggregate fixing shell (1) includes a deformable ring body, and the smart aggregate is disposed in the deformable ring body. A through groove is opened on the deformable ring body, and the through groove is opened along the axial direction of the deformable ring body. Two connecting pieces are fixedly connected to the deformable ring body, and the two connecting pieces are respectively located on both sides of the through groove. An aggregate fixing shell bolt hole (4) is opened on both connecting pieces. An aggregate fixing shell bolt (6) is inserted into the aggregate fixing shell bolt hole (4), and the two ends of the aggregate fixing shell bolt (6) abut against the two connecting pieces.
3. The built-in aggregate fixing and binding device according to claim 2, characterized in that: The aggregate fixing rod (2) includes multiple rod units, which are connected end to end in sequence. One end of each rod unit has a first threaded hole, and the other end of each rod unit is fixed with a first threaded post. The rod unit, the first threaded hole, and the first threaded post are coaxially arranged. The first threaded hole is adapted to the first threaded post. The first threaded holes of two adjacent rod units are threadedly connected to the first threaded post, and the two adjacent rod units abut against each other.
4. The built-in aggregate fixing and binding device according to claim 3, characterized in that: The deformable ring is circumferentially fixed with a plurality of aggregate fixing shell protrusion bolts (5) at equal intervals. The aggregate fixing shell protrusion bolts (5) are adapted to the first threaded hole. The first threaded hole of the rod unit located at one end of the aggregate fixing rod (2) is threadedly connected to the aggregate fixing shell protrusion bolts (5).
5. The built-in aggregate fixing and binding device according to claim 4, characterized in that: The rod unit at the other end of the aggregate fixing rod (2) is fixedly connected to the buckle (3), and the buckle (3) is fixedly connected to the side of the steel cage.
6. The built-in aggregate fixing and binding device according to claim 5, characterized in that: The buckle (3) includes two arc-shaped plates, with the concave surfaces of the two arc-shaped plates corresponding to each other. Both ends of the concave surfaces of the arc-shaped plates are fixedly connected to a fixing plate. The fixing plates on the two arc-shaped plates are arranged one-to-one. The fixing plate is provided with buckle bolt holes (7). The edge of the steel cage is located between the concave surfaces of the two arc-shaped plates. The two adjacent fixing plates on the two arc-shaped plates are fixedly connected by a second bolt, which passes through the buckle bolt holes (7).
7. The built-in aggregate fixing and binding device according to claim 6, characterized in that: The first threaded post of the rod unit located at one end of the aggregate fixing rod (2) is threaded between two adjacent fixing plates, and the two adjacent fixing plates are fixedly connected by a second bolt.
8. The built-in aggregate fixing and binding device according to claim 4, characterized in that: The number of aggregate fixing shell protrusion bolts (5) is 4.