Prefabricated box girder steel pedestal convenient to disassemble

Abstract

The utility model discloses a prefabricated box girder steel pedestal convenient to disassemble, which comprises two steel pedestal main bodies, the two steel pedestal main bodies can be detachably connected through a connecting block, the top of each steel pedestal main body is detachably provided with a cover plate, and the cover plates are clamped and fixed through clamping mechanisms on the two sides of each steel pedestal main body. A fixing assembly is arranged at the bottom of the steel pedestal body. By arranging the connecting block, the two steel pedestal bodies are detachably and firmly connected, and deviation is prevented; by arranging the clamping mechanism, the steel pedestal body can be conveniently and rapidly replaced with cover plates of different models for use, and the working efficiency is improved; the cover plate is arranged to press the connecting block, meanwhile, it is guaranteed that the top face of the steel pedestal body is flat and stable, and the stability of the steel pedestal body is guaranteed. By arranging the fixing assembly, the steel pedestal body is stably installed on the pedestal foundation, and the stability of the steel pedestal body is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated box beam construction, in particular to a prefabricated box beam steel pedestal. Background Art

[0002] The existing steel pedestals for prefabricated box girders are generally formed in one piece, and the cover plate on the top of the steel pedestal cannot be replaced at will according to the shape of the prefabricated box girder. This easily leads to the prefabricated box girder being difficult to fit tightly against the cover plate when placed on top of the cover plate, and the prefabricated box girder bottom plate being difficult to maintain the flatness of the appearance; the contact area between the prefabricated box girder and the cover plate is reduced, resulting in the prefabricated box girder being unstable when placed on top of the cover plate.

[0003] For example, Chinese patent publication number CN201921268783 discloses an assembled steel pedestal, comprising a pedestal base and at least one pedestal mounted along the length of the pedestal base. The pedestal is connected to the top of the pedestal base, and a leveling mechanism is provided between two adjacent pedestals. The leveling mechanism is provided between two adjacent pedestals and uses a hydraulic cylinder as a driving force. The hydraulic cylinder drives the support rods on both sides to act on the support rods to lift the first steel plate.

[0004] The above patent records an assembled steel pedestal that can splice two pedestals, which is simple and convenient, but it cannot solve the problem in the prior art that the prefabricated box beam is difficult to fit tightly against the cover plate, resulting in the prefabricated box beam being unstable when placed on top of the cover plate. Utility Model Content

[0005] In response to the deficiencies in the above-mentioned background technology, the present invention proposes a prefabricated box girder steel pedestal that is easy to disassemble, which solves the problem in the prior art that the prefabricated box girder is difficult to fit tightly against the cover plate, resulting in the prefabricated box girder being unstable when placed on top of the cover plate.

[0006] The technical solution of the present utility model is achieved as follows:

[0007] A prefabricated box girder steel pedestal that is easy to disassemble comprises a steel pedestal main body, two steel pedestal main bodies can be detachably connected by a connecting block, the top of the steel pedestal main body is detachably provided with a cover plate, the cover plate is clamped by a clamping mechanism on both sides of the steel pedestal main body, and the bottom of the steel pedestal main body is provided with a fixing assembly; by providing the connecting block, the two steel pedestal main bodies are detachably connected, and the connection is firm to prevent displacement; by providing the clamping mechanism, the steel pedestal main body can be easily and quickly replaced with different types of cover plates for use, thereby improving work efficiency; by providing the cover plate, the connecting block is pressed tightly while ensuring the flatness and firmness of the top surface of the steel pedestal main body, thereby ensuring the stability of the steel pedestal main body; by providing the fixing assembly, the steel pedestal main body is stably installed on the pedestal foundation, thereby improving the stability of the steel pedestal main body.

[0008] Furthermore, a T-slot and a rectangular slot are provided on the top surface of the steel pedestal body, and the T-slot passes through the connecting end surface of the steel pedestal body to facilitate detachable connection; a positioning column is vertically provided in the T-slot to accurately position the connecting block in the T-slot, thereby positioning the connecting block; the rectangular slot passes through the side surface of the steel pedestal body, and an installation slot is provided on the side surface of the steel pedestal body, which is installed in coordination with the clamping mechanism through the rectangular slot and the installation slot, thereby facilitating detachable connection of the cover plate and improving construction efficiency.

[0009] Furthermore, the connecting block includes a connecting plate and a T-shaped plug-in block. T-shaped plug-in blocks are symmetrically provided on both sides of the connecting plate. The T-shaped plug-in blocks are engaged with the T-shaped slots, so that the connecting block is engaged between the two steel pedestal bodies to ensure the connectivity of the steel pedestal bodies. A positioning hole is provided on the T-shaped plug-in block corresponding to the position of the positioning column one. The positioning column one is engaged with the positioning hole, which facilitates the connection of the connecting block between the two steel pedestal bodies and improves construction efficiency.

[0010] Furthermore, the clamping mechanism includes a connecting plate, and a fixed clamping column and a rebound component are respectively provided on one side of the connecting plate and at positions corresponding to the rectangular groove and the installation groove. The rebound component cooperates with the installation groove. Under the action of the rebound component, the fixed clamping column can be engaged with the cover plate, and the connecting plate can clamp and limit the cover plate, so that the cover plate is firmly connected to the steel pedestal body, thereby ensuring the stability of the cover plate connection.

[0011] Furthermore, the rebound assembly includes a limit plate, a telescopic rod and a compression spring, one end of the telescopic rod is fixedly connected to the connecting plate, and the other end is fixedly connected to the limit plate, the limit plate is connected to the mounting groove by a bolt, and both ends of the compression spring are fixedly connected to the limit plate and the connecting plate, and the compression spring is sleeved on the telescopic rod to ensure that the connecting plate is displaced along the direction of the mounting groove, so that the compression spring drives the connecting plate to press the cover plate inward, thereby ensuring the stability of the cover plate connection.

[0012] Furthermore, a handle and a fixing bolt are provided on the outer side of the connecting plate. The fixing bolt passes through the connecting plate and is connected to the steel base body. The handle can be used to conveniently pull the connecting plate to disassemble and assemble the cover plate. After the cover plate is installed or replaced, the fixing bolt is tightened to clamp and fix the cover plate, thereby improving work efficiency.

[0013] Furthermore, a rectangular plug is provided on the bottom surface of the cover plate at a position corresponding to the rectangular groove, and a fixed socket is provided on one side of the rectangular plug corresponding to the connecting plate. The rectangular plug is plugged into the rectangular groove to facilitate the connection between the cover plate and the top surface of the steel pedestal body, thereby improving construction efficiency; the fixed clamping column is plugged into the fixed socket to facilitate the clamping and limiting of the cover plate by the clamping mechanism, thereby improving the stability of the cover plate.

[0014] Furthermore, a second positioning column is provided on the bottom surface of the cover plate at a position corresponding to the positioning socket. The second positioning column is plugged into the positioning socket to facilitate positioning and installation of the cover plate and improve construction efficiency.

[0015] Furthermore, when the cover is fixedly mounted on the top of the steel pedestal body, the first and second positioning columns can be simultaneously inserted into the interior of the positioning socket, ensuring a stable connection between the cover and the connecting block and the steel pedestal body.

[0016] Furthermore, the fixing assembly includes an I-shaped plate and an embedded steel plate. The I-shaped plate is fixedly connected to the bottom of the steel pedestal body, and the embedded steel plate is fixedly connected to the bottom of the I-shaped plate, so that the steel pedestal body is firmly connected to the pedestal foundation, thereby improving the stability of the steel pedestal body.

[0017] The beneficial effects of the utility model are:

[0018] The utility model realizes the separation and installation of the steel pedestal body and the cover plate through the installation assembly. By pulling the handle in the installation assembly, the connecting plate drives the fixing clamping column away from the rectangular groove, the cover plate is installed on the top of the steel pedestal body and the rectangular plug block is correspondingly inserted into the rectangular groove. The handle is released and the connecting plate is pressed to the side of the steel pedestal body under the rebound action of the compression spring, so that the rectangular plug block is inserted into the corresponding fixing plug hole, thereby fixing the cover plate on the top of the steel pedestal body, which is convenient for replacing and installing the cover plate. The utility model realizes the separation and installation of the steel pedestal body and the cover plate through the connecting block. Insert the connecting plate between several steel pedestal bodies, insert the T-shaped insert into the corresponding T-slot, and at the same time insert the second positioning column of the cover into the positioning hole of the T-shaped insert to ensure that the contact end of the two adjacent cover plates can be pressed against the top of the connecting block, thereby connecting the two steel pedestal bodies, ensuring the stability of the connection of the steel pedestal bodies and preventing displacement; through the detachable installation of the cover plate and the steel pedestal body, and the splicing between the steel pedestal bodies, the steel pedestal cover plates of different shapes can be adjusted conveniently and quickly.

[0019] A prefabricated box girder steel pedestal that is easy to disassemble can be spliced ​​into a steel pedestal that conforms to the bottom shape of the prefabricated box girder by adjusting the splicing order of steel pedestals with different top cover plates, or replacing top cover plates of different thicknesses, so as to enable close contact between the prefabricated box girder and the cover plate, which not only maintains the linear appearance of the box girder, but also ensures the stability of the prefabricated box girder placed on the steel pedestal. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 for Figure 1 A magnified view of the structure at point A;

[0023] Figure 3 This is a structural diagram of the cover plate of the utility model;

[0024] Figure 4 This is a structural diagram of the connecting block of the utility model;

[0025] 1. Steel pedestal body; 2. I-shaped plate; 3. Embedded steel plate; 4. T-slot; 5. Positioning column 1; 6. Rectangular slot; 7. Mounting slot; 8. Limit plate; 9. Telescopic rod; 10. Compression spring; 11. Connecting plate; 12. Fixed clamping column; 13. Fixed bolt; 14. Handle; 15. Cover plate; 16. Rectangular plug; 17. Fixed socket; 18. Positioning column 2; 19. Connecting plate; 20. T-plug; 21. Positioning socket. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Example 1, as Figure 1 As shown, in this embodiment, a prefabricated box beam steel pedestal that is easy to disassemble includes a steel pedestal body 1. Before the construction of the steel pedestal body 1, a pedestal foundation is set according to the construction route, and the steel pedestal body 1 is set along the direction of the pedestal foundation; the two steel pedestal bodies 1 can be detachably connected by connecting blocks, and multiple steel pedestal bodies 1 are placed at corresponding positions of the pedestal foundation. The connecting blocks are installed between two adjacent steel pedestal bodies 1 so that the two steel pedestal bodies 1 are combined and connected to ensure that the steel pedestal bodies 1 will not be displaced in position; the top of the steel pedestal body 1 is detachably provided with a cover plate 15, and the cover plate 15 is clamped by the clamping mechanism on both sides of the steel pedestal body 1. Under the clamping action of the clamping mechanism, the cover plate 15 is ensured to be stably installed on the top of the steel pedestal body 1; the bottom of the steel pedestal body 1 is provided with a fixing component, and the fixing component fixes the steel pedestal body 1 on the pedestal foundation to ensure the stability of the steel pedestal body 1.

[0028] On the basis of the above embodiment, as a preferred embodiment, Figure 1As shown, the top surface of the steel pedestal body 1 is provided with a T-slot 4 and a rectangular slot 6. The T-slot 4 passes through the connecting end surface of the steel pedestal body 1. The adjacent surfaces between the two steel pedestal bodies 1 are the connecting end surfaces. The two connecting end surfaces of the steel pedestal body 1 are symmetrically penetrated by two T-slots 4; each T-slot 4 is vertically provided with a positioning column 5, and the positioning column 5 plays a positioning role for the connecting block; the rectangular slot 6 passes through the side surface of the steel pedestal body 1, and two rectangular slots 6 are symmetrically penetrated on the two side surfaces. The two side surfaces of the steel pedestal body 1 are also symmetrically provided with two mounting slots 7.

[0029] On the basis of the above embodiment, as a preferred embodiment, Figure 4 As shown, the connecting block includes a connecting plate 19 and a T-shaped plug-in block 20. The longitudinal section size of the connecting plate 19 is the same as the connecting end face size of the steel pedestal body 1, so that the connecting block can be installed just between the two steel pedestal bodies 1; two T-shaped plug-in blocks 20 are symmetrically provided on both sides of the connecting plate 19, and the T-shaped plug-in blocks 20 are snap-fitted with the corresponding T-shaped slots 4. A positioning hole 21 is provided on the T-shaped plug-in block 20 corresponding to the position of the positioning column 5, and the positioning column 5 is plug-fitted with the positioning hole 21.

[0030] On the basis of the above embodiment, as a preferred embodiment, Figure 2 As shown, the clamping mechanism includes a connecting plate 11, and a fixed clamping column 12 and a rebound component are respectively provided on one side of the connecting plate 11 and corresponding to the positions of the rectangular groove 6 and the mounting groove 7, and the rebound component cooperates with the mounting groove 7; under the action of the rebound component, the fixed clamping column 12 can be engaged with the cover plate 15, and the connecting plate 11 is tightly attached to both sides of the steel pedestal body 1 and clamps and limits the cover plate 15.

[0031] On the basis of the above embodiment, as a preferred embodiment, the rebound assembly includes a limit plate 8, a telescopic rod 9 and a compression spring 10. The telescopic rod 9 is a sleeve structure, consisting of two large sleeves and a small sleeve. One end of the telescopic rod 9 is fixedly connected to the connecting plate 11, and the other end is fixedly connected to the limit plate 8; the two ends of the compression spring 10 are fixedly connected to the limit plate 8 and the connecting plate 11, and the compression spring 10 is sleeved on the telescopic rod 9. The telescopic rod 9 limits the compression spring 10, so that the connecting plate 11 is displaced along the direction of the mounting groove 7; the limit plate 8 is fixed to the inside of the mounting groove 7 by bolts, and under the rebound action of the compression spring 10, the connecting plate 11 is driven to stick to both sides of the steel pedestal body 1, thereby compressing the cover plate 15.

[0032] On the basis of the above embodiment, as a preferred embodiment, a handle 14 and a fixing bolt 13 are provided on the outer side of the connecting plate 11. The fixing bolt 13 passes through the connecting plate 11 and is connected to the steel pedestal body 1. After the cover plate 15 is installed, the fixing bolt 13 is tightened to fix the connecting plate 11 to the side of the steel pedestal body 1 to ensure the stable connection of the cover plate 15.

[0033] Example 2 is further optimized based on Example 1. Figure 3 As shown, a rectangular plug 16 is provided on the bottom surface of the cover plate 15 and at the position corresponding to the rectangular groove 6. A fixed socket 17 is provided on one side of the rectangular plug 16 corresponding to the connecting plate 11. The rectangular plug 16 is plugged into the rectangular groove 6 to connect the cover plate 15 with the top surface 1 of the steel pedestal; the fixed clamping column 12 is plugged into the fixed socket 17 to enable the clamping mechanism to clamp and limit the cover plate 15, thereby ensuring the stable connection of the cover plate 15.

[0034] Specifically, when installing the cover plate 15, pull the handles 14 on both sides, the limit plate 8 is fixed in the installation groove 7, the connecting plate 11 drives the telescopic rod 9 to extend outward, and at the same time pulls the fixed column 12 out of the rectangular groove 6. After installing the cover plate 15 on the top of the steel pedestal body 1, loosen the handles 14 on both sides, and use the elastic force of the compression spring 10 to drive the connecting plate 11 to rebound to the two sides of the steel pedestal body 1 for compression. At the same time, the fixed column 12 rebounds to the rectangular groove 6 and engages with the fixed socket 17. Tighten the fixing bolts 13 to fix the cover plate 15 on the steel pedestal body 1.

[0035] On the basis of the above embodiment, as a preferred embodiment, a positioning column 2 18 is provided on the bottom surface of the cover plate 15 and at the position corresponding to the positioning socket 21, and the positioning column 2 18 cooperates with the positioning socket 21; when installing the cover plate 15, the positioning column 2 18 is inserted into the positioning socket 21, so that the contacting ends of the two adjacent cover plates 15 can be pressed against the top of the T-shaped plug 20, and the connecting block is pressed and fixed between the two steel pedestal bodies 1, ensuring the stability of the two steel pedestal bodies 1 when combined and connected; when the cover plate 15 is fixedly installed on the top of the steel pedestal body 1, the positioning column 1 5 and the positioning column 2 18 can be simultaneously inserted into the interior of the positioning socket 21, thereby ensuring the connectivity between the steel pedestal body 1, the connecting block and the cover plate 15.

[0036] Example 3 is further optimized based on Example 1. Figure 1 As shown, the fixing assembly includes an I-shaped plate 2 and an embedded steel plate 3. The I-shaped plate 2 is fixedly connected to the bottom of the steel pedestal body 1, and the embedded steel plate 3 is fixedly connected to the bottom of the I-shaped plate 2. The embedded steel plate 3 should be embedded in the pedestal foundation in advance and welded to the I-shaped plate 2.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A prefabricated box girder steel pedestal that is easy to disassemble, characterized by: The invention comprises a steel pedestal body (1), wherein two steel pedestal bodies (1) can be detachably connected via a connecting block, a cover plate (15) is detachably provided on the top of the steel pedestal body (1), and the cover plate (15) is clamped by a clamping mechanism on both sides of the steel pedestal body (1), and a fixing component is provided at the bottom of the steel pedestal body (1).

2. The easily disassembled prefabricated box beam steel pedestal according to claim 1 is characterized in that: The top surface of the steel pedestal body (1) is provided with a T-shaped slot (4) and a rectangular slot (6), the T-shaped slot (4) passes through the connecting end surface of the steel pedestal body (1), a positioning column (5) is vertically provided in the T-shaped slot (4), the rectangular slot (6) passes through the side surface of the steel pedestal body (1), and a mounting slot (7) is provided on the side surface of the steel pedestal body (1).

3. The easily disassembled prefabricated box beam steel pedestal according to claim 2 is characterized in that: The connecting block comprises a connecting plate (19) and a T-shaped insert block (20). The T-shaped insert blocks (20) are symmetrically provided on both sides of the connecting plate (19). The T-shaped insert blocks (20) are engaged with the T-shaped slots (4). A positioning hole (21) is provided on the T-shaped insert block (20) at a position corresponding to the positioning column 1 (5). The positioning column 1 (5) is engaged with the positioning hole (21).

4. The easily disassembled prefabricated box beam steel pedestal according to claim 2 or 3, characterized in that: The clamping mechanism comprises a connecting plate (11), and a fixed clamping column (12) and a rebound component are respectively provided on one side of the connecting plate (11) and at positions corresponding to the rectangular groove (6) and the mounting groove (7). The rebound component cooperates with the mounting groove (7). Under the action of the rebound component, the fixed clamping column (12) can be clamped and cooperated with the cover plate (15), and the connecting plate (11) can clamp and limit the cover plate (15).

5. The easily disassembled prefabricated box beam steel pedestal according to claim 4 is characterized in that: The rebound assembly includes a limit plate (8), a telescopic rod (9) and a compression spring (10), one end of the telescopic rod (9) is fixedly connected to the connecting plate (11), and the other end is fixedly connected to the limit plate (8), the limit plate (8) is connected to the mounting groove (7) by a bolt, and both ends of the compression spring (10) are fixedly connected to the limit plate (8) and the connecting plate (11), and the compression spring (10) is sleeved on the telescopic rod (9), and the compression spring (10) drives the connecting plate (11) to press the cover plate (15) inward.

6. The easily disassembled prefabricated box beam steel pedestal according to claim 5 is characterized in that: A handle (14) and a fixing bolt (13) are provided on the outer side of the connecting plate (11), and the fixing bolt (13) passes through the connecting plate (11) and is connected to the steel pedestal body (1).

7. The easily disassembled prefabricated box beam steel pedestal according to claim 5 or 6, characterized in that: A rectangular plug (16) is provided on the bottom surface of the cover plate (15) at a position corresponding to the rectangular groove (6), and a fixed socket (17) is provided on one side of the rectangular plug (16) corresponding to the connecting plate (11). The rectangular plug (16) is plugged into and matched with the rectangular groove (6), and the fixed clamping column (12) is plugged into and matched with the fixed socket (17).

8. The easily disassembled prefabricated box beam steel pedestal according to claim 7 is characterized in that: A second positioning column (18) is provided on the bottom surface of the cover plate (15) at a position corresponding to the positioning socket (21), and the second positioning column (18) is plugged into and matched with the positioning socket (21).

9. The easily disassembled prefabricated box beam steel pedestal according to claim 8, characterized in that: The first positioning post (5) and the second positioning post (18) can be inserted into the interior of the positioning socket (21) at the same time.

10. The easily disassembled prefabricated box beam steel pedestal according to claim 1, 8 or 9, characterized in that: The fixing assembly comprises an I-shaped plate (2) and an embedded steel plate (3); the I-shaped plate (2) is fixedly connected to the bottom of the steel pedestal body (1); and the embedded steel plate (3) is fixedly connected to the bottom of the I-shaped plate (2).

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