Large-section tunnel light high combined steel frame structure

Abstract

The utility model discloses a light high type combined steel frame structure of large section tunnel, relates to combined steel frame technical field, the vibration of field construction in later construction process can cause the problem that the fixed bolt on combined steel frame appears loose, including support column and set up on support column main steel frame, the bottom fixed mounting of main steel frame has inserted rod, the utility model discloses when assembling, staff can rotate handle first, and handle can control spacing rod movement, makes spacing rod and the spacing groove on inserted rod interfixation to the support column and main steel frame can be connected, after that, staff can rotate fixed plate, and through fixed bolt and main steel frame interconnect, handle is located in fixed plate inside at this moment, reduced the emergence of non - human rotating handle situation, and spring can extrude the clamping block, makes the clamping block and the annular clamping groove on fixed bolt interconnect to the loose situation of fixed bolt can be reduced when using.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of combined steel frame, especially to a large section tunnel light high type combined steel frame structure. BACKGROUND

[0002] China is a mountainous country, 80% of the southwest region is mountainous, about 30% of the mountainous area of the whole country, this piece of land is a city living more than 20 ethnic groups, more than 100 million people, now, the road has become an important resource of the country, for promoting national economic growth, improving people's quality of life and maintaining national security, etc. have important value, the development of road is not only the need of economy, also is the component part of human civilization and modernization, and the tunnel as the important node in the road has the vital role, when constructing the large section tunnel, usually need to use light high type combined steel frame.

[0003] The existing large section tunnel light high type combined steel frame structure usually adopts modular design, is convenient for on-site assembly and disassembly, when assembling, usually uses fixed bolts to connect and fix the combined steel frame, and in the later construction process, the vibration of on-site construction can cause the fixed bolts on the combined steel frame to be loose, therefore, the large section tunnel light high type combined steel frame structure is proposed. UTILITY MODEL CONTENTS

[0004] In order to improve the problem that the vibration of on-site construction in the later construction process can cause the fixed bolts on the combined steel frame to be loose, the utility model provides a large section tunnel light high type combined steel frame structure.

[0005] The utility model provides a large section tunnel light high type combined steel frame structure adopts the following technical scheme:

[0006] A large section tunnel light high type combined steel frame structure, including support column and the main steel frame of setting on support column, the bottom of main steel frame is fixedly installed with the plug rod, the top of support column is set with the plug slot of being suitable for plug rod, the side of the plug slot of being set in the inside of support column is connected with outside, the inside of support column is rotatably connected with screw rod, the outer surface of screw rod is connected with moving plate, one side of moving plate is fixedly installed with limit rod, the inside of plug rod is set with the limit slot of being suitable for limit rod, the opposite sides of moving plate all are provided with sliding assembly,

[0007] The outer surface of support column is rotatably connected with fixed plate, and the fixed plate is connected with the main steel frame through the fixed bolt, and the inside of fixed plate is provided with the locking assembly for limiting the fixed bolt.

[0008] By adopting the technical scheme, when assembling, the staff can first rotate the handle, the handle can control the movement of the limiting rod, the limiting rod and the limiting groove on the inserting rod are fixed to each other, so that the supporting column and the main steel frame are connected, then the staff can rotate the fixed plate and connect the fixed plate and the main steel frame through the fixed bolt, at this time, the handle is located in the interior of the fixed plate, the non-human rotation of the handle is reduced, and the spring can extrude the clamping block, so that the clamping block and the annular clamping groove on the fixed bolt are connected, so that the loosening of the fixed bolt during use is reduced.

[0009] Optionally, one end of the threaded rod penetrates to the outside of the supporting column and is fixedly connected with the handle, and the interior of the fixed plate is provided with an inner recess cavity matched with the handle.

[0010] By adopting the technical scheme, the handle can facilitate the rotation of the threaded rod by the staff.

[0011] Optionally, the locking assembly comprises a spring, the spring is fixedly installed in the interior of the fixed plate, one end of the spring is fixedly installed with a clamping block, and the interior of the fixed bolt is provided with an annular clamping groove matched with the clamping block.

[0012] By adopting the technical scheme, during use, the spring can extrude the clamping block, so that the clamping block and the annular clamping groove on the fixed bolt are connected, so that the loosening of the fixed bolt during use is reduced.

[0013] Optionally, the bottom of the supporting column is fixedly installed with a supporting disc, the top of the supporting disc is fixedly installed with a reinforcing plate, and one side of the reinforcing plate is fixedly connected with the supporting column.

[0014] By adopting the technical scheme, the supporting disc can increase the contact area of the supporting column and the ground, so that the support of the supporting column is more stable, and the reinforcing plate can increase the connection strength of the supporting column and the supporting disc.

[0015] Optionally, one end of the clamping block away from the spring is provided with a guide angle inclined towards the fixed bolt.

[0016] By adopting the technical scheme, when the fixed bolt is installed, the fixed bolt can push the clamping block to extrude the spring through the guide angle, so as not to affect the normal installation of the fixed bolt, and after installation, the spring can extrude the clamping block, so that the clamping block and the annular clamping groove on the fixed bolt are connected, so that the loosening of the fixed bolt during use is reduced.

[0017] Optionally, the sliding assembly comprises a sliding block, one side of the sliding block is fixedly connected with a moving plate, and the interior of the supporting column is provided with a sliding groove matched with the sliding block.

[0018] By adopting the above technical solution, the slider and the groove can limit the movement range of the moving plate, and at the same time make the moving plate move more smoothly.

[0019] Optionally, a push plate is fixedly installed on the outer side of the card block, and an elongated sliding hole is opened on the outer surface of the fixed plate, with the push plate extending through to the outside of the elongated sliding hole.

[0020] By adopting the above technical solution, the push plate can facilitate the movement of the card block by the staff.

[0021] Optionally, a rubber anti-slip pad is fixedly installed on the bottom of the support plate.

[0022] By adopting the above technical solution, the rubber anti-slip mat can increase the friction between the support plate and the ground, making the equipment more stable during use.

[0023] In summary, this utility model has the following beneficial effects:

[0024] During assembly, the operator can first rotate the handle to control the movement of the limiting rod, thus fixing the limiting rod and the limiting groove on the insert rod to each other, thereby connecting the support column and the main steel frame. Then, the operator can rotate the fixing plate and connect it to the main steel frame through the fixing bolts. At this time, the handle is located inside the fixing plate, reducing the possibility of unauthorized rotation of the handle. In addition, the spring can compress the locking block, connecting the locking block with the annular locking groove on the fixing bolt, thereby reducing the possibility of the fixing bolt loosening during use. Attached Figure Description

[0025] Figure 1 This is a frontal cross-sectional structural diagram of the present invention.

[0026] Figure 2 This is a utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0027] Figure 3 This is a utility model Figure 2 Enlarged structural diagram of the structure at point B.

[0028] Figure 4 This is a utility model Figure 2 Enlarged structural diagram at point C.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Support column; 2. Main steel frame; 3. Insert rod; 4. Threaded rod; 5. Moving plate; 6. Limiting rod; 7. Sliding assembly; 71. Slider; 72. Slide groove; 8. Fixing plate; 9. Fixing bolt; 10. Handle; 11. Spring; 12. Locking block; 13. Support plate; 14. Reinforcing plate; 15. Guide angle; 16. Push plate; 17. Rubber anti-slip pad. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Figures 1-4 It is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Please refer to Figure 1 The utility model discloses a large section tunnel light high type combined steel frame structure, including support column 1 and setting on support column 1 main steel frame 2, the outer surface of support column 1 and main steel frame 2 all is provided with anticorrosive layer, and the anticorrosive layer is epoxy phenolic paint layer, and epoxy phenolic paint has good adhesion, flexibility, wear resistance, and excellent corrosion resistance. The bottom of support column 1 is fixedly installed with support disc 13, the top of support disc 13 is fixedly installed with reinforcing plate 14, and one side of reinforcing plate 14 is fixedly connected with support column 1. Support disc 13 can increase the contact area of support column 1 and ground, can make the support of support column 1 more stable, and reinforcing plate 14 can increase the connecting strength of support column 1 and support disc 13, so that the equipment is more stable when using. The bottom of support disc 13 is fixedly installed with rubber antiskid pad 17, and the rubber antiskid pad 17 can increase the friction force of support disc 13 and ground, further increasing the stability of the equipment when using.

[0033] Please refer to Figures 1-3 The bottom of main steel frame 2 is fixedly installed with inserting rod 3, the top of support column 1 is provided with the insertion slot that is matched with inserting rod 3, the side of the insertion slot that is set in the inside of support column 1 is connected with the outside, the inside of support column 1 is rotatably connected with threaded rod 4, the outer surface of threaded rod 4 is threadedly connected with moving plate 5, one side of moving plate 5 is fixedly installed with limiting rod 6, and the inside of inserting rod 3 is provided with the limiting slot that is matched with limiting rod 6. The opposite sides of moving plate 5 are provided with sliding assembly 7, sliding assembly 7 includes sliding block 71, one side of sliding block 71 is fixedly connected with moving plate 5, the inside of support column 1 is provided with sliding slot 72 that is matched with sliding block 71, and sliding block 71 and sliding slot 72 can limit the moving range of moving plate 5, and can make moving plate 5 move more stably.

[0034] Please refer to Figure 1 And Figure 2 The inside of fixed plate 8 is provided with inner recess cavity that is matched with handle 10, handle 10 can conveniently rotate threaded rod 4, and simultaneously, through the design of inner recess cavity on fixed plate 8, handle 10 is located in the inside of fixed plate 8 when using, reducing the situation that handle 10 is rotated non-human during use.

[0035] Please refer toFigure 1 And Figure 4 The outer surface of the support column 1 is rotationally connected with a fixing plate 8, the fixing plate 8 is connected with the main steel frame 2 through a fixing bolt 9, the inside of the fixing plate 8 is provided with a locking assembly for limiting the fixing bolt 9, the locking assembly comprises a spring 11, the spring 11 is fixedly installed in the inside of the fixing plate 8, one end of the spring 11 is fixedly installed with a clamping block 12, the inside of the fixing bolt 9 is provided with an annular clamping groove matched with the clamping block 12, in the using process, the spring 11 can extrude the clamping block 12, so that the clamping block 12 is connected with the annular clamping groove on the fixing bolt 9, thereby the loosening of the fixing bolt 9 in use can be reduced.

[0036] Please refer to Figure 2 And Figure 4 The end of the clamping block 12 away from the spring 11 is provided with a guide angle 15 inclined to the fixing bolt 9, in the installation of the fixing bolt 9, the fixing bolt 9 can push the clamping block 12 to extrude the spring 11 through the guide angle 15, so as not to affect the normal installation of the fixing bolt 9, after installation, the spring 11 can extrude the clamping block 12, so that the clamping block 12 is connected with the annular clamping groove on the fixing bolt 9, thereby the loosening of the fixing bolt 9 in use can be reduced, and the connection of the support column 1 and the main steel frame 2 through the limiting rod 6 and the fixing bolt 9 can make the connection more stable. The outer side of the clamping block 12 is fixedly installed with a push plate 16, the outer surface of the fixing plate 8 is provided with a long sliding hole, the push plate 16 penetrates to the outside of the long sliding hole, the push plate 16 can facilitate the staff to push the clamping block 12 to move. When the support column 1 and the main steel frame 2 need to be disassembled, the staff can push the push plate 16 to move, the push plate 16 can drive the clamping block 12 to extrude the spring 11, so that the clamping block 12 is separated from the annular clamping groove on the fixing bolt 9, then the staff can disassemble the fixing bolt 9 and rotate the fixing plate 8, finally, only need to twist the handle 10, the handle 10 can drive the threaded rod 4 to rotate, the threaded rod 4 can drive the moving plate 5 and the limiting rod 6 to move under the cooperation of the sliding block 71 and the sliding groove 72, so that the limiting rod 6 is separated from the limiting groove on the inserting rod 3, thereby the support column 1 and the main steel frame 2 can be disassembled.

[0037] The utility model discloses an implementation principle is: through the design of support column 1, main steel frame 2, plug rod 3, threaded rod 4, moving plate 5, limit rod 6, sliding assembly 7, sliding block 71, slide 72, fixed plate 8, fixed bolt 9, handle 10, spring 11, clamping block 12, support disc 13, reinforcing plate 14, guide angle 15, push plate 16 and rubber non -skid pad 17, when assembling, staff can rotate handle 10 first, and handle 10 can drive threaded rod 4 to rotate, and threaded rod 4 can drive moving plate 5 and limit rod 6 to move under the cooperation of sliding block 71 and slide 72, make limit rod 6 and the limit groove on plug rod 3 fixed with each other, thereby can make support column 1 and main steel frame 2 connect, then, staff can rotate fixed plate 8, and through fixed bolt 9 and main steel frame 2 are connected with each other, handle 10 is located in fixed plate 8 inside at this time, reduced the emergence non -human rotating handle 10, and spring 11 can extrude clamping block 12, make clamping block 12 and the annular clamping groove on fixed bolt 9 connect with each other, thereby can reduce the loosening of fixed bolt 9 when using the situation,

[0038] When needing to disassemble support column 1 and main steel frame 2, staff can move push plate 16, and push plate 16 can drive clamping block 12 to extrude spring 11, make clamping block 12 and the annular clamping groove on fixed bolt 9 separate with each other, then, staff can remove fixed bolt 9 and rotate fixed plate 8, finally, only need to twist handle 10, and handle 10 can drive threaded rod 4 to rotate, and threaded rod 4 can drive moving plate 5 and limit rod 6 to move under the cooperation of sliding block 71 and slide 72, make limit rod 6 and the limit groove on plug rod 3 separate with each other, thereby can disassemble support column 1 and main steel frame 2.

[0039] The above is only the preferred embodiment of the utility model, and does not limit the utility model, although the utility model has been explained in detail with reference to the foregoing embodiment, for the person skilled in the art, still can modify the technical scheme recorded in foregoing each embodiment, or equivalent replacement to part technical feature. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A lightweight, high-rise composite steel frame structure for large-section tunnels, comprising support columns (1) and a main steel frame (2) mounted on the support columns (1), characterized in that: The bottom of the main steel frame (2) is fixedly installed with a plug rod (3), and the top of the support column (1) is provided with a slot that matches the plug rod (3). One side of the slot inside the support column (1) is connected to the outside. The inside of the support column (1) is rotatably connected with a threaded rod (4). The outer surface of the threaded rod (4) is threadedly connected with a movable plate (5). One side of the movable plate (5) is fixedly installed with a limit rod (6). The inside of the plug rod (3) is provided with a limit groove that matches the limit rod (6). Sliding components (7) are provided on both sides of the movable plate (5). The outer surface of the support column (1) is rotatably connected to a fixing plate (8), and the fixing plate (8) is connected to the main steel frame (2) by fixing bolts (9). The fixing plate (8) is provided with a locking component for limiting the fixing bolts (9).

2. The lightweight, high-rise composite steel frame structure for large-section tunnels according to claim 1, characterized in that: One end of the threaded rod (4) extends through the outside of the support column (1) and is fixedly connected to a handle (10). The inside of the fixing plate (8) is provided with an inner cavity that is compatible with the handle (10).

3. The lightweight, high-rise composite steel frame structure for large-section tunnels according to claim 1, characterized in that: The locking assembly includes a spring (11), which is fixedly installed inside the fixing plate (8). One end of the spring (11) is fixedly installed with a locking block (12), and the fixing bolt (9) has an annular groove inside that is adapted to the locking block (12).

4. The lightweight, high-rise composite steel frame structure for large-section tunnels according to claim 1, characterized in that: A support plate (13) is fixedly installed at the bottom of the support column (1), and a reinforcing plate (14) is fixedly installed at the top of the support plate (13). One side of the reinforcing plate (14) is fixedly connected to the support column (1).

5. The lightweight, high-rise composite steel frame structure for large-section tunnels according to claim 3, characterized in that: The end of the locking block (12) away from the spring (11) has a guide angle (15) that is inclined toward the fixing bolt (9).

6. The lightweight, high-rise composite steel frame structure for large-section tunnels according to claim 1, characterized in that: The sliding assembly (7) includes a slider (71), one side of which is fixedly connected to the moving plate (5), and the inside of the support column (1) is provided with a groove (72) that is adapted to the slider (71).

7. The lightweight, high-rise composite steel frame structure for large-section tunnels according to claim 3, characterized in that: A push plate (16) is fixedly installed on the outer side of the card block (12), and a long sliding hole is opened on the outer surface of the fixed plate (8), and the push plate (16) extends through to the outside of the long sliding hole.

8. A lightweight, high-rise composite steel frame structure for large-section tunnels according to claim 4, characterized in that: A rubber anti-slip pad (17) is fixedly installed on the bottom of the support plate (13).

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