Support-free prefabricated frame structure
By introducing expansion and reinforcement mechanisms into the prefabricated frame structure, the problems of unstable connections and poor seismic performance were solved, achieving stable connections and efficient reinforcement of the structure, and improving its load-bearing capacity and seismic performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-20
AI Technical Summary
Existing unsupported prefabricated frame structures suffer from unstable connections, insufficient load-bearing capacity, and poor seismic performance, making them particularly susceptible to damage during natural disasters such as earthquakes.
An expansion mechanism and a reinforcement mechanism are adopted. A stable expansion connection is formed by the expansion cylinder and the expansion screw, and the connection strength between the precast beam and the fixed frame is enhanced by the grouting frame and the reinforcement rod.
It improves the overall integrity and stability of the structure, enhances its load-bearing capacity and seismic performance, and ensures the stability of the structure under load and seismic action.
Smart Images
Figure CN224016493U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to building frame technical field, specifically is a kind of exempt from supporting prefabricated frame structure. BACKGROUND
[0002] Exempt from supporting prefabricated frame structure is applicable to the scene that needs to be quickly built and the requirement of structure stability is higher, such as temporary support structure in building construction, prefabricated component connection in bridge construction and temporary facilities needing to be quickly deployed.
[0003] However, in the implementation of the related technology, the above problems are found:
[0004] There are still technical problems of unstable connection, insufficient bearing capacity and poor seismic performance in the existing exempt from supporting prefabricated frame structure. In the existing prefabricated frame structure, the connection is often not tight enough, resulting in poor overall integrity and stability of the structure, and prone to looseness or deformation. At the same time, due to the lack of effective reinforcement measures, the bearing capacity of the structure is limited, it is difficult to withstand large load, and the seismic performance is poor, and it is easy to be damaged in the occurrence of earthquake and other natural disasters. INVENTION CONTENTS
[0005] To solve the problems raised in the background art, the utility model provides an exempt from supporting prefabricated frame structure, which has the advantages of exempt from supporting, stable connection and strong stability. The utility model can form a stable expansion connection between the prefabricated beam and the fixed frame through the expansion mechanism, and enhance the overall integrity and stability of the structure. At the same time, through the reinforcement mechanism, additional reinforcement measures are taken on the prefabricated beam, which improves the bearing capacity and seismic performance of the structure.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: an exempt from supporting prefabricated frame structure, comprising a prefabricated beam, both ends of the prefabricated beam are fixedly provided with a fixed frame, one side of the fixed frame is fixedly provided with a reinforcement mechanism, the inner side of the reinforcement mechanism is in close contact with the prefabricated beam, the upper surface and one side of the fixed frame are both inserted with a plurality of expansion mechanisms arranged in a rectangular array, the expansion mechanism is fixedly connected with the prefabricated beam, the expansion mechanism comprises an expansion cylinder, the expansion cylinder is located at one end of the prefabricated beam, a plurality of expansion grooves are arranged in a ring shape at one end of the expansion cylinder, an expansion screw is threadedly connected to the inner side of the expansion cylinder, an expansion nut is threadedly connected to the outer side of the expansion screw, a connecting rod is fixedly connected to one end of the expansion screw, an expansion block is fixedly connected to one end of the connecting rod, and one side of the expansion block is in close contact with one end of the expansion cylinder.
[0007] Preferably, the reinforcing mechanism comprises a grouting frame, the inner side of the grouting frame is fitted with the outer side of the prefabricated beam, the outer side of the grouting frame is provided with a grouting port, the inner side of the grouting frame is provided with a grouting groove, and the inner side of the prefabricated beam is fixedly provided with a plurality of reinforcing rods, and the two ends of the reinforcing rod are fixedly connected with one side of the two fixing frames respectively.
[0008] Preferably, the upper surface and one side of the fixing frame are provided with a plurality of fixing holes, and the inner side of the fixing hole is slidably fitted with the expansion cylinder.
[0009] Preferably, the outer side of the expansion cylinder is fixedly provided with a plurality of linearly distributed expansion lines.
[0010] Preferably, the outer side of the expansion screw is provided with a lock washer.
[0011] Preferably, the expansion cylinder is a plastic cylinder.
[0012] Preferably, the reinforcing rod is a steel rod.
[0013] Preferably, the outer side of the reinforcing rod is provided with a plurality of anti-skid lines.
[0014] Preferably, the outer side of the grouting frame is fixedly provided with a plurality of sealing bands.
[0015] Preferably, the inner side of the grouting port is provided with a sealing cap.
[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0017] 1、The expansion mechanism can form a stable expansion connection between the prefabricated beam and the fixing frame, thereby enhancing the overall structure and stability, and the expansion groove and expansion lines on the expansion cylinder are designed to make the expansion process more uniform and controllable, thereby improving the expansion effect.
[0018] 2、The reinforcing mechanism additionally reinforces the prefabricated beam, thereby improving the bearing capacity and anti-seismic performance of the structure, the grouting frame makes the grouting process more convenient and efficient, and the reinforcing rod enhances the connection strength between the prefabricated beam and the fixing frame, thereby further improving the overall stability of the structure. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a whole structure schematic view of the utility model.
[0020] Figure 2 It is a fixing frame structure schematic view of the utility model.
[0021] Figure 3 It is an expansion mechanism structure schematic view of the utility model.
[0022] Figure 4The reinforcing structure is a schematic diagram of the utility model.
[0023] Figure 5 The prefabricated beam structure section is a schematic diagram of the utility model.
[0024] In the drawing: 1, fixed frame; 2, expansion mechanism; 3, reinforcing mechanism; 4, prefabricated beam; 5, fixed hole; 20, expansion cylinder; 21, expansion nut; 22, anti-loosening washer; 23, expansion screw; 24, connecting rod; 25, expansion block; 26, expansion groove; 27, expansion line; 30, grouting frame; 31, grouting port; 32, sealing cap; 33, grouting groove; 34, sealing band; 35, reinforcing rod; 36, anti-slip line. DETAILED DESCRIPTION
[0025] The following description is presented to enable any person skilled in the art to practice the present application and to incorporate it in specific contexts. Various modifications, and variations, as well as combinations of the described features, will be readily apparent to those skilled in the art and are intended to be within the scope of the application. Other objects, advantages, and novel features of the present application will become apparent from the following detailed description, when considered in conjunction with the drawings. It is to be understood that the application is not limited in application to the details set forth in the description below or to the Details of Construction and the Arrangement of the components in the drawings. The application is capable of other embodiments and of being practiced and carried out in various ways.
[0026] In the following detailed description, numerous specific details are set forth in order to provide a more thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present application.
[0027] The reader's attention is directed to all papers and documents which are filed concurrently with this specification and which are open to public inspection with this specification, and the contents of all such papers and documents are incorporated herein by reference. All the features disclosed in this specification, (including any accompanying claims, abstract, and drawings) can be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic series of equivalent or similar features.
[0028] Note that, where used, the terms left, right, front, back, top, bottom, over, under, clockwise, and counterclockwise are used for convenience only, and do not imply any particular fixed direction. In fact, they are used to reflect the relative positions and / or orientations between various parts of an object. Furthermore, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance.
[0029] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected; can be mechanical connection; can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0030] Note, in the case of use, further, preferably, further and better and better is the simple start of another embodiment described on the basis of the foregoing embodiment, which is further, preferably, further or better behind the content of the combination of the foregoing embodiment as another embodiment of the complete structure. The combination of several further, preferably, further or better settings behind the same embodiment can be arbitrarily combined to constitute another embodiment.
[0031] The utility model will be described in detail below in combination with the drawings and specific embodiments. Note that the aspects described below in combination with the drawings and specific embodiments are only exemplary and should not be understood as limiting the scope of protection of the utility model in any way.
[0032] As Figures 1 to 5The utility model provides a kind of exempt from support prefabricated frame structure, including prefabricated beam 4, the both ends of prefabricated beam 4 are fixedly provided with fixed frame 1, the side of fixed frame 1 is fixedly provided with reinforcing mechanism 3, the inside of reinforcing mechanism 3 is attached with prefabricated beam 4, the upper surface and the side of fixed frame 1 are all inserted with multiple rectangular array distribution expansion mechanism 2, expansion mechanism 2 is fixedly cooperated with prefabricated beam 4. Among them, expansion mechanism 2 includes expansion cylinder 20, expansion cylinder 20 is located in one end of prefabricated beam 4, the one end of expansion cylinder 20 is provided with multiple annular distribution expansion groove 26, the inside of expansion cylinder 20 is threadedly sleeved with expansion screw rod 23, the outside of expansion screw rod 23 is threadedly provided with expansion nut 21, the one end of expansion screw rod 23 is fixedly provided with connecting rod 24, the one end of connecting rod 24 is fixedly provided with expansion block 25, the side of expansion block 25 is attached with the one end of expansion cylinder 20, expansion mechanism 2 when using, expansion cylinder 20 is inserted into the fixed hole 5 of fixed frame 1 first, ensure that expansion cylinder 20 pipe over fixed frame 1 is inserted into the reserved hole in one end of prefabricated beam 4. Then, by rotating expansion screw rod 23, it is moved outward along the thread of the inside of expansion cylinder 20, the connecting rod 24 of expansion screw rod 23 one end is pushed expansion block 25 to move to the one end of expansion cylinder 20. Since expansion cylinder 20 is plasticity cylinder, and its one end is provided with multiple annular distribution expansion groove 26, the movement of expansion block 25 makes expansion cylinder 20 expand along the radial direction under the cooperation of expansion groove 26, to be closely attached between prefabricated beam 4 and fixed frame 1, form stable expansion connection. Meanwhile, the lock washer 22 outside expansion screw rod 23 can prevent expansion screw rod 23 from loosening, ensure the durability of expansion effect.
[0033] Specifically, reinforcing mechanism 3 includes grouting frame 30, the inside of grouting frame 30 is attached with the outside of prefabricated beam 4, the outside of grouting frame 30 is provided with grouting port 31, the inside of grouting frame 30 is provided with grouting groove 33, the inside of prefabricated beam 4 is fixedly provided with multiple reinforcing rods 35, the both ends of reinforcing rod 35 are respectively fixedly connected with the side of two fixed frames 1, reinforcing mechanism 3 when using, first, grouting frame 30 is attached on the outside of prefabricated beam 4, ensure that the grouting space is formed between the grouting groove 33 of the inside of grouting frame 30 and prefabricated beam 4. Then, grouting material is injected into grouting groove 33 through grouting port 31, grouting material fills grouting groove 33 and solidifies, to enhance the connecting strength between prefabricated beam 4 and grouting frame 30. Meanwhile, the both ends of multiple reinforcing rods 35 in the inside of prefabricated beam 4 are respectively fixedly connected with the side of two fixed frames 1, further enhance the connecting stability between prefabricated beam 4 and fixed frame 1. The anti-skid line 36 outside reinforcing rod 35 can increase the friction between reinforcing rod 35 and prefabricated beam 4, improve the connecting effect.
[0034] Further, the fixing hole 5 is formed on the fixing frame 1 and is in sliding fit with the expansion cylinder 20, so that the expansion cylinder 20 can be conveniently inserted into the fixing frame 1, and the stability of the expansion cylinder 20 during the expansion process is ensured, and the accuracy and reliability of the expansion connection are improved.
[0035] Further, the expansion lines 27 on the outer side of the expansion cylinder 20 make the expansion cylinder 20 more uniform and controllable during the expansion process, improve the expansion effect, and enhance the overall integrity and stability of the structure.
[0036] It is worth noting that the anti-loosening washer 22 on the outer side of the expansion screw 23 can effectively prevent the expansion screw 23 from loosening under vibration or external force, and ensure the durability and stability of the expansion connection.
[0037] It is worth noting that the reinforcing rod 35 is designed as a steel rod, has high strength and corrosion resistance, and can effectively enhance the connection strength between the prefabricated beam 4 and the fixing frame 1, and improve the bearing capacity and seismic performance of the structure.
[0038] It is worth introducing that the anti-skid lines 36 on the outer side of the reinforcing rod 35 can increase the friction between the reinforcing rod 35 and the prefabricated beam 4 and the fixing frame 1, prevent the reinforcing rod 35 from sliding or falling off during the stress process, and improve the connection effect.
[0039] It is worth emphasizing that the sealing band 34 on the outer side of the grouting frame 30 can effectively prevent the grouting material from leaking during the grouting process, ensure the accuracy and reliability of the grouting effect, and the sealing cap 32 clamped on the inner side of the grouting port 31 can close the grouting port 31 after the grouting is completed, prevent the grouting material from being polluted or damaged by the outside, and prolong the service life of the structure.
[0040] Among them, the structure (such as a motor) is prior art, and will not be repeated; at the same time, the utility model also includes power supply, controller and switch, which are not the main technical points of the patent, and will not be repeated; the "front, back, left and right" visual angle of the device is taken as the reference direction of the drawing. Figure 1
[0041] Working principle: the expansion mechanism 2 in use, first, the expansion cylinder 20 is inserted into the fixed hole 5 of the fixed frame 1, ensure that the expansion cylinder 20 tube fixed frame 1 is inserted into the reserved hole at one end of the precast beam 4. Subsequently, by rotating the expansion screw 23, it moves outward along the thread inside the expansion cylinder 20, the connecting rod 24 at one end of the expansion screw 23 pushes the expansion block 25 to move to one end of the expansion cylinder 20. Because the expansion cylinder 20 is a plastic cylinder, and a plurality of annular expansion slots 26 are arranged at one end of the expansion cylinder 20, the movement of the expansion block 25 causes the expansion cylinder 20 to expand in the radial direction under the cooperation of the expansion slots 26, thereby tightly fitting between the precast beam 4 and the fixed frame 1, forming a stable expansion connection. At the same time, the anti-loosening washer 22 outside the expansion screw 23 can prevent the expansion screw 23 from loosening, ensuring the durability of the expansion effect;
[0042] The reinforcing mechanism 3 in use, first, the grouting frame 30 is attached to the outside of the precast beam 4, ensuring that the grouting slot 33 inside the grouting frame 30 forms a grouting space with the precast beam 4. Subsequently, the grouting material is injected into the grouting slot 33 through the grouting port 31, the grouting material fills the grouting slot 33 and solidifies, thereby enhancing the connection strength between the precast beam 4 and the grouting frame 30. At the same time, the plurality of reinforcing rods 35 inside the precast beam 4 are fixedly connected at both ends to one side of the two fixed frames 1, further enhancing the connection stability between the precast beam 4 and the fixed frame 1. The anti-skid lines 36 outside the reinforcing rods 35 can increase the friction between the reinforcing rods 35 and the precast beam 4, improving the connection effect.
[0043] The beneficial effects of the embodiment are:
[0044] 1. The utility model discloses a reinforcing mechanism, which can form a stable expansion connection between the precast beam and the fixed frame, thereby enhancing the overall structure and stability. Meanwhile, the expansion slots and expansion lines on the expansion cylinder are designed to make the expansion process more uniform and controllable, thereby improving the expansion effect.
[0045] 2. The utility model discloses a reinforcing mechanism, which can form a stable expansion connection between the precast beam and the fixed frame, thereby enhancing the overall structure and stability. Meanwhile, the expansion slots and expansion lines on the expansion cylinder are designed to make the expansion process more uniform and controllable, thereby improving the expansion effect.
[0046] Further, the above embodiment in combination with the drawings has been described in detail, and those skilled in the art can make various changes to the utility model according to the above description. Therefore, some details in the embodiment should not constitute a limitation on the utility model, and the protection scope of the utility model shall be defined by the appended claims.
Claims
1. A precast frame structure without support, comprising precast beams (4), characterized in that: Both ends of the precast beam (4) are fixedly provided with a fixing frame (1), and a reinforcing mechanism (3) is fixedly provided on one side of the fixing frame (1). The inner side of the reinforcing mechanism (3) is in contact with the precast beam (4). Multiple expansion mechanisms (2) arranged in a rectangular array are inserted on the upper surface and one side of the fixing frame (1). The expansion mechanism (2) is fixedly engaged with the precast beam (4). The expansion mechanism (2) includes an expansion cylinder (20), which is located at one end of the precast beam (4). One end of the expansion cylinder (20) is provided with a plurality of expansion grooves (26) distributed in a ring. An expansion screw (23) is threaded on the inner side of the expansion cylinder (20), and an expansion nut (21) is threaded on the outer side of the expansion screw (23). A connecting rod (24) is fixedly provided at one end of the expansion screw (23), and an expansion block (25) is fixedly provided at one end of the connecting rod (24). One side of the expansion block (25) is in contact with one end of the expansion cylinder (20).
2. The support-free prefabricated frame structure according to claim 1, characterized in that: The reinforcement mechanism (3) includes a grouting frame (30), the inner side of the grouting frame (30) is attached to the outer side of the precast beam (4), the outer side of the grouting frame (30) is provided with a grouting port (31), the inner side of the grouting frame (30) is provided with a grouting groove (33), and a plurality of reinforcement rods (35) are fixedly provided on the inner side of the precast beam (4), and the two ends of the reinforcement rods (35) are respectively fixedly connected to one side of two fixed frames (1).
3. The support-free prefabricated frame structure according to claim 1, characterized in that: The upper surface and one side of the fixing frame (1) are provided with multiple fixing holes (5), and the inner side of the fixing hole (5) slides and fits against the expansion cylinder (20).
4. The support-free prefabricated frame structure according to claim 1, characterized in that: The outer side of the expansion cylinder (20) is fixed with a plurality of linearly distributed expansion grooves (27).
5. A support-free prefabricated frame structure according to claim 1, characterized in that: The expansion screw (23) is fitted with an anti-loosening washer (22) on its outer side.
6. The support-free prefabricated frame structure according to claim 1, characterized in that: The expansion cylinder (20) is a plastic cylinder.
7. A prefabricated frame structure without support according to claim 2, characterized in that: The reinforcing rod (35) is a steel rod.
8. A support-free prefabricated frame structure according to claim 2, characterized in that: The outer side of the reinforcing rod (35) is provided with multiple anti-slip textures (36).
9. A support-free prefabricated frame structure according to claim 2, characterized in that: Multiple sealing strips (34) are fixedly provided on the outside of the grouting frame (30).
10. A support-free prefabricated frame structure according to claim 2, characterized in that: A sealing cap (32) is fitted inside the grouting port (31).