A shipping fixture for precast concrete elements
By using multiple adjustable support structures and a motor-driven worm gear locking system, the problems of low fixing efficiency and poor stability in the transportation of precast concrete components are solved, realizing a fast and stable loading and unloading process that can adapt to different sizes and load requirements.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WENZHOU OUHANG BUILDING MATERIALS TECHNOLOGY CO LTD
- Filing Date
- 2025-07-09
- Publication Date
- 2026-08-04
AI Technical Summary
In the current transportation process of precast concrete components, the fixing methods are inefficient and unstable, making it difficult to adapt to different size requirements. Furthermore, they are prone to displacement and damage due to vibration or collision during transportation, and there is a lack of effective load-sharing structures.
It adopts a multi-set adjustable bracket structure, which continuously positions components of different sizes through motor drive, and automatically locks the position with the help of worm gear structure. The support components interlock with each other to share the load. The number of brackets can be adjusted, and the wheel traction frame is easy to move, so as to achieve quick fixation and stable transportation.
It significantly improves loading efficiency and stability, ensures the positioning accuracy and anti-tilting ability of components during transportation, adapts to different loading requirements, simplifies operation procedures, and reduces labor intensity.
Smart Images

Figure CN224589658U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of building engineering technology, and in particular relates to a loading and fixing bracket for precast concrete components. Background Technology
[0002] In the field of construction engineering, precast concrete components have been widely used in various construction projects due to their advantages such as high production efficiency and strong quality control. However, existing technologies have significant shortcomings in the transportation of precast concrete components.
[0003] Traditional methods of securing components often involve rope binding or welding temporary blocks. Rope securing is inefficient and unstable, and repeated disassembly increases labor intensity; welded blocks cannot meet the transportation needs of components of different sizes, and are difficult to reuse after disassembly. In addition, components are prone to displacement due to vibration or collision during transportation, which may even cause damage and economic losses.
[0004] Existing adjustable brackets mostly use manual adjustment and positioning devices, which are cumbersome to operate and lack positioning accuracy, making it difficult to achieve continuous and rapid fixation of multiple components. In addition, there is a lack of effective load-sharing structures during transportation, making it difficult to distribute the weight of components. Especially when the transportation road conditions are complex, the structure is prone to deformation due to excessive local stress. Utility Model Content
[0005] The purpose of this utility model is to provide a loading and fixing bracket for precast concrete components. In this utility model, the loading and fixing bracket is equipped with multiple sets of adjustable bracket structures, which are driven by a motor to continuously position components of different sizes. With the help of a worm gear structure, the position can be automatically locked. The interlocking support components can distribute the load, and the number of brackets can be adjusted as needed to meet the loading requirements of the components. The wheel traction frame can be used to easily complete the traction movement. The operation is simple, which greatly improves the loading efficiency and stability and solves the existing technical problems.
[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0007] A transport and fixing support for precast concrete components, comprising:
[0008] A base plate, on both sides of which are fixedly installed side frames, the two side frames are L-shaped, and a rack is fixedly installed on the bottom inner wall of one of the side frames;
[0009] Multiple sets of abutment support components, each abutment support component including a movable frame, an abutment mechanism, a support mechanism and a drive mechanism, wherein the movable frame is slidably connected to the top of the base plate;
[0010] The abutting mechanism is used to abut and fix the precast concrete components on adjacent sides, the supporting mechanism is used to support the corresponding precast concrete components, and the driving mechanism is used to drive the moving frame to slide on the base plate so as to fix multiple precast concrete components by continuous abutting and positioning.
[0011] Optionally, two protruding strips are fixedly installed on the top of the base plate, and two limiting grooves are opened at the bottom of the movable frame. The inner walls of the two limiting grooves are respectively slidably engaged with the corresponding protruding strips. The movable frame is C-shaped, and its two protruding ends are slidably engaged with the adjacent side frame.
[0012] Optionally, the abutting mechanism includes two third fixed rods fixedly installed on the top of the movable frame. The interior of the two third fixed rods is evenly provided with multiple positioning holes from low to high. Two abutting members are provided on the two third fixed rods. Each abutting member consists of two collars, two connecting rods, and an abutting plate. The two collars are slidably sleeved on the outer walls of the two third fixed rods. One end of each of the two connecting rods is fixedly connected to the outer wall of the corresponding collar, and the other end is fixedly connected to one side of the abutting plate. The interior of each of the two collars is threaded with a positioning screw. One end of the positioning screw passes through the corresponding positioning hole to adjust the height of the abutting plate and fix its position.
[0013] Optionally, in the same abutment support assembly, the abutment plates of the two abutment members face opposite directions.
[0014] Optionally, the support mechanism includes a support plate, two support sleeves, and two limiting forks. The support plate is fixedly connected to two third fixing rods and located near their bottom ends. The two support sleeves are fixedly sleeved on the outer walls of the two third fixing rods and located at the bottom of the support plate. Support grooves are formed on the outer walls of the two support sleeves. The two limiting forks are fixedly installed on the bottom of the support plate away from the support sleeves. The forked ends of the limiting forks slide against the inner walls of the support grooves of adjacent abutting support components to distribute the weight of the components.
[0015] Optionally, the drive mechanism includes a motor, a worm, a worm wheel, a gear, and a rotating shaft. The rotating shaft is rotatably mounted on one side of the movable frame. The gear is fixedly sleeved on the outer wall of the rotating shaft and meshes with a rack. The worm wheel is fixedly sleeved on the outer wall of the rotating shaft. The worm is rotatably mounted on one side of the movable frame and meshes with the worm wheel. The motor is fixedly mounted on one side of the movable frame and its output shaft is connected to the worm to drive the movable frame to slide and complete the self-locking of the position.
[0016] Optionally, two first fixing rods and two second fixing rods are fixedly installed on the top of the base plate. The two first fixing rods and two second fixing rods are located near both ends of the base plate. The first fixing rods and second fixing rods have the same structure as the third fixing rod, and they are equipped with abutment parts and support mechanisms to cooperate with adjacent abutment support components to abut and fix the precast concrete components.
[0017] Optionally, four wheels are rotatably mounted on the bottom of the base plate via a bracket.
[0018] Optionally, two traction frames are fixedly installed on one side of the base plate, and each of the two traction frames has multiple connection holes and a connecting ring is fixedly installed on one side.
[0019] The embodiments of this utility model have the following beneficial effects:
[0020] In this invention, multiple components can be continuously positioned by the independent driving and coordinated operation of multiple sets of abutment support components; the moving frame slides along the base plate under the drive of the motor, and the meshing transmission of the gear and rack can ensure positioning accuracy and speed; the operator only needs to adjust the height of the abutment and start the motor to complete the fixing of a single set of components, which greatly shortens the loading time.
[0021] In this utility model, the abutting mechanism adopts an adjustable collar structure, which can quickly adapt to the fixing requirements of components of different heights through the cooperation of positioning holes and positioning screws; the support mechanism, through the combination design of support plate and support sleeve, not only provides a horizontal bearing surface, but also effectively disperses the weight of the component and avoids local stress concentration through the cooperation of limiting fork with the support groove of adjacent components.
[0022] In this invention, the worm gear drive structure has a self-locking characteristic, which automatically locks the position of the moving frame after the motor stops, preventing displacement caused by transportation vibration; at the same time, the adjacent abutting support components form a double constraint in the lateral and longitudinal directions through the nesting cooperation of the limiting fork and the support sleeve, which significantly improves the anti-tilting ability of the overall structure.
[0023] In this invention, the mobile frame is set on the base plate through a simple placement operation, is easy to disassemble, and supports flexible addition or reduction of the number of abutment support components to adapt to different loading requirements; in addition, the integrated design of wheels and traction frame gives the equipment both mobility and traction compatibility, meeting the switching needs of construction site and transportation scenarios.
[0024] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of 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.
[0026] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present invention;
[0027] Figure 2 This is a cross-sectional structural diagram of an embodiment of the present invention;
[0028] Figure 3 This is a schematic diagram of the disassembled structure of an embodiment of the present utility model;
[0029] Figure 4 This is a schematic diagram of the abutment support component structure according to an embodiment of the present invention;
[0030] Figure 5 This is a schematic diagram of the drive mechanism structure according to an embodiment of the present invention.
[0031] In the diagram: 1. Base plate; 2. Wheel; 3. Traction frame; 4. First fixed rod; 5. Second fixed rod; 6. Side frame; 7. Rack; 8. Protruding strip; 9. Moving frame; 10. Third fixed rod; 11. Positioning hole; 12. Collar; 13. Abutment plate; 14. Support plate; 15. Limiting fork; 16. Support sleeve; 17. Limiting groove; 18. Worm gear; 19. Motor; 20. Rotating shaft; 21. Worm wheel; 22. Gear. Detailed Implementation
[0032] 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 skilled in the art without creative effort are within the protection scope of the present utility model.
[0033] In the description of this utility model, it should be understood that the terms "opening", "upper", "middle", "length", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0034] To keep the following description of the embodiments of this utility model clear and concise, detailed descriptions of known functions and known components are omitted.
[0035] In one embodiment: Please refer to Figure 1-5 As shown, this embodiment provides a fixed bracket, including a base plate 1, a side frame 6, an abutment support assembly, a first fixing rod 4, a second fixing rod 5, a wheel 2, and a traction frame 3.
[0036] In this embodiment, the base plate 1 serves as the supporting foundation for the entire bracket, and two protruding strips 8 are fixedly installed on its top. Side frames 6 are fixedly installed on both sides of the base plate 1, and the two side frames 6 are L-shaped. A rack 7 is fixedly installed on the bottom inner wall of one of the side frames 6, which is used to cooperate with the drive mechanism to realize the movement of the movable frame 9.
[0037] In this embodiment, the abutment support assembly is the core part of the bracket, including a movable frame 9, an abutment mechanism, a support mechanism, and a drive mechanism. The movable frame 9 is C-shaped, with two limiting grooves 17 at its bottom. The inner walls of the two limiting grooves 17 are respectively slidably engaged with two protrusions 8 on the top of the base plate 1, allowing the movable frame 9 to slide stably on the base plate 1. The protruding parts at both ends of the movable frame 9 are slidably engaged with the adjacent side frames 6, further ensuring the stability of the movable frame 9's movement.
[0038] In this embodiment, the abutment mechanism is used to abut and fix the precast concrete components on adjacent sides. The abutment mechanism includes two third fixing rods 10 fixedly installed on the top of the movable frame 9. Multiple positioning holes 11 are evenly formed inside the two third fixing rods 10 from low to high. Two abutment members are simultaneously provided on the two third fixing rods 10. Each abutment member consists of two collars 12, two connecting rods, and an abutment plate 13. The two collars 12 are slidably fitted onto the outer walls of the two third fixing rods 10. One end of each connecting rod is fixedly connected to the outer wall of the corresponding collar 12, and the other end is fixedly connected to one side of the abutment plate 13. Positioning screws are threaded through the interior of both collars 12. One end of each positioning screw passes through the corresponding positioning hole 11. By adjusting the positioning screws to insert them into positioning holes 11 at different heights, the positioning of the corresponding abutment member can be completed, thus adapting to precast concrete components of different sizes. In the same abutment support assembly, the two abutment members face opposite directions to ensure that the precast concrete components on adjacent sides can be abutted and fixed accordingly.
[0039] In this embodiment, the support mechanism is used to place the corresponding precast concrete components. The support mechanism includes a support plate 14 disposed on one side of the two third fixed rods 10. The support plate 14 is fixedly connected to both third fixed rods 10 and is located near the bottom of the two third fixed rods 10. Support sleeves 16 are fixedly fitted onto the outer walls of both third fixed rods 10. Both support sleeves 16 are located at the bottom of the support plate 14, and their outer walls have support grooves. Two limiting forks 15 are fixedly installed at the bottom of the support plate 14. Both limiting forks 15 are located on the side away from the support sleeves 16 and cooperate with the corresponding support sleeves 16 in the adjacent abutment support assembly. By allowing the forked ends of the limiting forks 15 to slide against the inner walls of the adjacent support grooves, auxiliary support for the support plate 14 can be achieved, improving the support stability.
[0040] In this embodiment, the drive mechanism is used to drive the movable frame 9 to slide on the base plate 1 to complete the continuous contact and positioning of multiple precast concrete components. The drive mechanism includes a rotating shaft 20 rotatably mounted on one side of the movable frame 9. The rotating shaft 20 is located on the side of the movable frame 9 near the rack 7, and a worm gear 21 and a gear 22 are fixedly sleeved on its outer wall. The gear 22 meshes with the rack 7. A worm 18 is rotatably mounted on one side of the movable frame 9 via a bracket. The worm 18 meshes with the worm gear 21. A motor 19 is also fixedly mounted on one side of the movable frame 9 via a bracket. One end of the output shaft of the motor 19 is fixedly connected to one end of the worm 18. When the motor 19 starts, it drives the worm 18 to rotate, which in turn drives the worm gear 21 to rotate, thereby causing the rotating shaft 20 and the gear 22 to rotate. Since the gear 22 meshes with the rack 7, the movable frame 9 moves horizontally on the base plate 1.
[0041] In this embodiment, two first fixing rods 4 and two second fixing rods 5 are also fixedly installed on the top of the base plate 1. The two first fixing rods 4 and two second fixing rods 5 are located near both ends of the base plate 1. The two first fixing rods 4 and two second fixing rods 5 have the same structure as the third fixing rod 10. They are equipped with corresponding abutment parts through multiple positioning holes 11, and each of them is fixedly installed with a corresponding support mechanism. Together with adjacent abutment support components, they can complete the abutment and fixation of the precast concrete component.
[0042] This application can be used in the field of architectural engineering technology, or in other fields applicable to this application.
[0043] In another embodiment: Reference Figure 1 A loading and fixing bracket for precast concrete components, which is applied to the field of building engineering technology;
[0044] In this embodiment, four wheels 2 are rotatably mounted on the bottom of the base plate 1 via a bracket, which facilitates the movement of the equipment on the ground.
[0045] In this embodiment, two traction frames 3 are fixedly installed on one side of the base plate 1. Each traction frame 3 has multiple connection holes on one side and a connecting ring is fixedly installed thereon for connecting with external traction equipment to realize the movement of the equipment and thus complete the transportation of precast concrete components.
[0046] However, as is well known to those skilled in the art, the working principle and wiring method of motor 19 are commonplace and are all conventional methods or common knowledge, so they will not be elaborated here. Those skilled in the art can make any selections according to their needs or convenience.
[0047] The usage process and working principle of this utility model technical solution are as follows:
[0048] During operation, the operator can select an appropriate number of abutment support components as needed and place them on the base plate 1 to ensure that the moving frame 9 can move stably on the base plate 1. Then, the precast concrete components to be transported can be placed sequentially on the support plates 14 above the base plate 1. Each support plate 14 and its associated abutment components constitute a set of abutment support components.
[0049] The operator selects the appropriate positioning hole 11 based on the height of the component, loosens the positioning screw, slides the collar 12 along with the abutment plate 13 to the required height, and then tightens the positioning screw through the selected positioning hole 11. This allows the abutment plate 13 to accurately and tightly adhere to the side of the component for proper fixation. The two abutment plates 13 in the same abutment support assembly face opposite directions to ensure effective simultaneous abutment against the corresponding sides of two adjacent precast concrete components.
[0050] When placing the first precast concrete component, it can be placed on the support plate 14 located on the two first fixed rods 4. The user can then start the motor 19 and adjust the position of the corresponding moving frame 9. The motor 19 drives the worm gear 18 to rotate. The worm gear 18 meshes with the worm wheel 21, causing the worm wheel 21 and the coaxial gear 22 to rotate together. The gear 22 meshes with the rack 7 fixed to the bottom of the side frame 6. Since the rack 7 is fixed, the rotation of the gear 22 will push the entire moving frame 9 to slide along the protrusion 8 on the base plate 1. The protrusion 8 is embedded in the limiting groove 17 at the bottom of the moving frame 9, ensuring smooth and stable movement of the moving frame 9; the protrusions at both ends of the moving frame 9 slide with the adjacent side frame 6, further providing guidance.
[0051] As the movable frame 9 approaches, the support groove on its support sleeve 16 aligns with the adjacent positioned abutment support assembly, such as the limiting fork 15 on the fixed rod or the previous movable frame 9. The forked end of the limiting fork 15 slides into the support groove of the adjacent support sleeve 16, forming a support that can share part of the load on the support plate 14 and improve stability.
[0052] After the movable frame 9 is moved to the appropriate position, the corresponding precast concrete component can be abutted and fixed by the adjacent abutment plates 13 on both sides. At the same time, the self-locking characteristics of the worm gear ensure that the movable frame 9 is not easy to move, and ensures stable abutment and limiting of the precast concrete component.
[0053] Then, new precast concrete components are placed on one side of the already positioned mobile frame 9, and the above steps are repeated to drive the new mobile frame 9 to approach and abut, so that multiple precast concrete components can be placed and fixed in sequence.
[0054] Once all components are loaded and secured, external traction equipment can be connected via the connecting ring or connecting hole on the traction frame 3 on one side of the base plate 1 to complete the transportation of the loaded precast concrete components. During transportation, each component is firmly abutted by its respective abutment and supported by the support plate 14. The cooperation between the limiting fork 15 and the support sleeve 16 can further enhance the stability of the support, ensuring the stable transportation of the precast concrete components.
[0055] The accompanying drawings in this application are for illustrative purposes only. The dimensions and shapes of the components shown are not actual limitations but are merely schematic representations. In actual implementation, the components can be reasonably configured and adjusted according to specific needs and actual conditions.
[0056] It should be noted that in the description of this specification, descriptions such as "first" and "second" are only used to distinguish the features and do not have any actual order or directional meaning. This application is not limited to this.
[0057] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0058] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A loading and fixing bracket for precast concrete components, characterized in that, include: The base plate (1) has side frames (6) fixedly installed on both sides. The two side frames (6) are L-shaped, and a rack (7) is fixedly installed on the bottom inner wall of one of the side frames (6). Multiple sets of abutment support components, the abutment support components including a movable frame (9), an abutment mechanism, a support mechanism and a drive mechanism, the movable frame (9) being slidably connected to the top of the base plate (1); The abutting mechanism is used to abut and fix the precast concrete components on both sides, the supporting mechanism is used to support the corresponding precast concrete components, and the driving mechanism is used to drive the moving frame (9) to slide on the base plate (1) so as to fix multiple precast concrete components by continuous abutting and positioning.
2. The transport and fixing bracket for precast concrete components according to claim 1, characterized in that, Two protrusions (8) are fixedly installed on the top of the base plate (1), and two limiting grooves (17) are opened at the bottom of the movable frame (9). The inner walls of the two limiting grooves (17) are respectively slidably engaged with the corresponding protrusions (8). The movable frame (9) is C-shaped, and its two protrusions are slidably engaged with the adjacent side frame (6).
3. The transport and fixing bracket for precast concrete components according to claim 1, characterized in that, The abutting mechanism includes two third fixing rods (10) fixedly installed on the top of the movable frame (9). The interior of the two third fixing rods (10) is evenly provided with multiple positioning holes (11) from low to high. The two third fixing rods (10) are provided with two abutting parts. The abutting parts are composed of two collars (12), two connecting rods and an abutting plate (13). The two collars (12) are respectively slidably sleeved on the outer wall of the two third fixing rods (10). One end of each of the two connecting rods is fixedly connected to the outer wall of the corresponding collar (12), and the other end is fixedly connected to one side of the abutting plate (13). The interior of each of the two collars (12) is threaded with a positioning screw. One end of the positioning screw passes through the corresponding positioning hole (11) to adjust the height of the abutting plate (13) and fix its position.
4. The transport and fixing bracket for precast concrete components according to claim 3, characterized in that, In the same abutment support assembly, the abutment plates (13) of the two abutment members face opposite directions.
5. The transport and fixing bracket for precast concrete components according to claim 1, characterized in that, The support mechanism includes a support plate (14), two support sleeves (16), and two limiting forks (15). The support plate (14) is fixedly connected to two third fixing rods (10) and located near its bottom end. The two support sleeves (16) are fixedly sleeved on the outer walls of the two third fixing rods (10) and located at the bottom of the support plate (14). The outer walls of the two support sleeves (16) are provided with support grooves. The two limiting forks (15) are fixedly installed on the bottom of the support plate (14) away from the support sleeves (16). The forked ends of the limiting forks (15) slide in cooperation with the inner wall of the support groove of the adjacent abutting support component to distribute the weight of the component.
6. The transport and fixing bracket for precast concrete components according to claim 1, characterized in that, The drive mechanism includes a motor (19), a worm (18), a worm wheel (21), a gear (22), and a rotating shaft (20). The rotating shaft (20) is rotatably mounted on one side of the movable frame (9). The gear (22) is fixedly sleeved on the outer wall of the rotating shaft (20) and meshes with the rack (7). The worm wheel (21) is fixedly sleeved on the outer wall of the rotating shaft (0). The worm (18) is rotatably mounted on one side of the movable frame (9) and meshes with the worm wheel (21). The motor (19) is fixedly mounted on one side of the movable frame (9) and its output shaft is connected to the worm (18) to drive the movable frame (9) to slide and complete the self-locking of the position.
7. The transport and fixing bracket for precast concrete components according to claim 1, characterized in that, Two first fixing rods (4) and two second fixing rods (5) are fixedly installed on the top of the base plate (1). The two first fixing rods (4) and the two second fixing rods (5) are located near both ends of the base plate (1). The first fixing rods (4) and the second fixing rods (5) have the same structure as the third fixing rod (10). They are equipped with abutting parts and support mechanisms to cooperate with adjacent abutting support components to abut and fix the precast concrete components.
8. The transport and fixing bracket for precast concrete components according to claim 1, characterized in that, The bottom of the base plate (1) is rotatably mounted with four wheels (2) via a bracket.
9. The transport and fixing bracket for precast concrete components according to claim 1, characterized in that, Two traction frames (3) are fixedly installed on one side of the base plate (1). Each of the two traction frames (3) has multiple connecting holes and a connecting ring is fixedly installed on one side.