CN220030020U

CN220030020U - Temporary locking structure of steel structure bridge tubular member and node plate

Info

Publication number: CN220030020U
Application number: CN202321261929.0U
Authority: CN
Inventors: 马智珊; 张骏峰; 刘伟楠; 胡福南; 陈扬; 陈填仪
Original assignee: Guangzhou Urban Construction Planning And Design Institute Co ltd
Current assignee: Guangzhou Urban Construction Planning And Design Institute Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-17
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a temporary locking structure of a steel structure bridge tubular member and a node plate, which relates to the field of temporary locking mechanisms of steel structures, and aims to solve the technical problem that the position of the member is difficult to ensure relatively stability before the conventional steel structure tubular member and the node plate form permanent locking.

Description

Temporary locking structure of steel structure bridge tubular member and node plate

Technical Field

The utility model belongs to the field of temporary locking mechanisms of steel structures, and particularly relates to a temporary locking structure of a steel structure bridge tubular member and a node plate.

Background

The steel structure bridge has various steel components, when the steel structure bridge is installed, adjacent components are generally permanently locked through welding or anchoring nails and bolting, no matter what permanent locking connection mode is adopted, the adjacent components are required to be firstly ensured to be in a stable state when the steel structure bridge is installed, otherwise, once the components are stressed and offset during connection, effective connection cannot be formed, the tubular components and the plate-shaped components are common component forms in the bridge steel structure, such as tubular connecting beams and node plates at two ends of the connecting beams, and the tubular connecting beams and the node plates are welded and fixed to form permanent connection, but when welding, if the two components are not temporarily locked, the components are relatively offset, so that welding seams cannot be formed.

The traditional Chinese patent with the publication number of CN217460294U discloses a temporary locking device for a reinforced concrete composite beam, which relates to the technical field of bridge engineering, wherein two groups of lifting lugs are arranged at the bottom of a steel box beam, tensioning units are correspondingly arranged on the symmetrical two sides of the top end of a pier column, and the tensioning units and the lifting lugs in each group are tensioned and fixed through tensioning pieces, so that the mounting beam end of the steel box beam is stably anchored on the pier column, and the problem of mounting stability of the steel box beam structure is solved.

Therefore, aiming at the condition that the relative position of the tubular member and the node plate of the bridge steel structure is not easy to keep stable before the permanent connection structure is formed, and the permanent connection point is not easy to form due to the deviation of the member, a novel temporary locking structure of the steel member is developed, and the relative position between the end part of the tubular member and the node plate is locked by utilizing the clamping piece matched with the bridge node plate to adjust the locking tool, so that the subsequent welding operation is convenient.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a temporary locking structure of a steel structure bridge tubular member and a node plate, which aims to solve the technical problem that the position is difficult to be ensured to be relatively stable before the conventional steel structure tubular member and the node plate form permanent locking.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a temporary locking structure of a steel structure bridge tubular member and a node plate, which comprises two groups of bridge node plates arranged in parallel and a bridge tube structure arranged between the node plates, wherein one opposite side of each bridge node plate is provided with a panel, the upper end and the lower end of each panel are fixedly welded with backing plates, each bridge node plate is arranged between the backing plates, one side of each panel is provided with two groups of bases which are vertically symmetrical, the left end and the right end of each base are fixedly connected with clamping rods, the left end and the right end of each panel are provided with support pads which can be elastically stretched, one end of each clamping rod is provided with a first pair of support rods, and one end of the other clamping rod which is longitudinally opposite is provided with a second pair of support rods.

When the temporary locking structure of the steel structure bridge tubular member and the node plate is used, a user firstly installs the bridge node plate at a proper position on the bridge main structure, then places the bridge tubular structure between the two bridge node plates, enables two ends of the bridge tubular structure to be abutted against the bridge node plates, then clamps the panel on the bridge node plates through the backing plate and is positioned at one side of the bridge tubular structure, enables the side wall of the bridge tubular structure to be abutted against the supporting pad, locks the position of the panel by tightening the first fastening bolt, then moves the base up and down along the sliding groove according to the diameter of the bridge tubular structure, enables the clamping rod to be positioned at the upper side and the lower side of the bridge tubular structure, tightens the second fastening bolt to fix the height of the base, then screws at the upper side and the lower side of the bridge tubular structure, controls the first pair of supporting rods and the second pair of supporting rods to be close to the side wall of the bridge tubular structure, locks the bridge tubular structure by utilizing the clamping rod, the supporting pad, the fourth enclosing structure formed by the first pair of supporting rods and the second pair of supporting rods, and then permanently locks the end face of the bridge tubular structure and the bridge tubular structure.

Further, a fastening hole is formed in the middle of the base plate, a fastening bolt which is propped against the side wall of the bridge node plate is connected to the inner side of the fastening hole in a threaded mode, after the fastening bolt is screwed into the fastening hole, the end portion of the fastening bolt is extruded on the side wall of the bridge node plate, and the panel, the base plate and the bridge node plate are locked by friction force generated by extrusion.

Further, the base orientation the one end fixedly connected with backplate of panel, no. two fastening holes have all been seted up to backplate four corners, no. two fastening hole inboard threaded connection has No. two fastening bolts, and after No. two fastening bolts screwed in No. two fastening holes, no. two fastening bolt's tip extrusion is at the surface of panel, utilizes the frictional force that the extrusion produced to lock the backplate in the corresponding position on the panel.

Further, backplate one end fixedly connected with slider, the spout has been seted up to the panel inboard, slider swing joint in the spout is inboard, and backplate and base move together, make its removal more smooth and easy through the looks adaptation structure of spout and slider, and slider and spout can design into T type structure or cross structure, and the mutual adaptation prevents that the slider from deviating from in the spout.

Further, the movable holes are formed in the upper ends of the first pair of supporting rods and the lower ends of the second pair of supporting rods, movable heads are movably connected to the inner sides of the movable holes, screws are fixedly connected to one ends of the movable heads and are in threaded connection with the inner sides of the clamping rods, the screws are respectively connected with the first pair of supporting rods and the second pair of supporting rods through the movable heads, and the first pair of supporting rods and the second pair of supporting rods keep unchanged positions during rotation.

Further, a pair of stay bars lower extreme fixedly connected with inserted bar, the inserted bar set up in No. two to the stay bar is inboard, the inserted bar lower extreme with install the elastic component between No. two to the stay bar inner wall, the elastic component can adopt elastic rubber material or spring, has good ductility, makes the inserted bar can vertically pass in and out and quick reset in No. two to the stay bar.

Further, the anti-skidding sleeve is sleeved on the outer side of the clamping rod, the anti-skidding sleeve is made of rubber materials with rough textures on the surface, the anti-skidding sleeve is of a thin-wall structure and is clung to the surface of the bridge pipe structure, friction force between the anti-skidding sleeve and the bridge pipe structure is increased, locking performance of the anti-skidding sleeve is better, and meanwhile the flexible materials also play a role in protecting the outer wall of the bridge pipe structure.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the temporary locking structure of the steel structure bridge tubular member and the node plate adopts the panel structure matched with the bridge node plate and the clamping locking mechanism which is arranged on the panel and can be movably adjusted, so that the relative position between the end part of the tubular member and the surface of the node plate can be locked, structural displacement between the members is avoided when the welding operation forms a permanent structure, and the quality of a welding seam and the efficiency of the welding operation are ensured.

Drawings

FIG. 1 is a schematic diagram of an assembled structure of an embodiment of a temporary locking structure for a tubular member and a node plate of a steel bridge according to the present utility model;

FIG. 2 is a schematic view of a panel structure of an embodiment of a temporary locking structure for a tubular member and a node plate of a steel bridge according to the present utility model;

FIG. 3 is a schematic view of a base structure of an embodiment of a temporary locking structure for a tubular member and a gusset plate of a steel bridge according to the present utility model;

fig. 4 is a schematic diagram of a first pair of stay bars and a second pair of stay bar mounting structures of an embodiment of a temporary locking structure of a steel bridge tubular member and a node plate.

The marks in the drawings are: 1. bridge node plates; 2. bridge pipe structure; 3. a panel; 4. a backing plate; 5. a base; 6. a clamping rod; 7. a support pad; 8. a first pair of stay bars; 9. a second pair of stay bars; 10. a first fastening hole; 11. a first fastening bolt; 12. a back plate; 13. a second fastening hole; 14. a second fastening bolt; 15. a slide block; 16. a chute; 17. a movable hole; 18. a movable head; 19. a screw; 20. a rod; 21. an elastic member; 22. an anti-skid sleeve.

Detailed Description

The utility model provides a temporary locking structure for steel construction bridge tubular component and node plate, its package structure schematic diagram is shown in fig. 1, panel 3 structure schematic diagram is shown in fig. 2, base 5 structure schematic diagram is shown in fig. 3, a pair of vaulting pole 8 and No. two are to vaulting pole 9 mounting structure schematic diagram is shown in fig. 4, this temporary locking structure includes two sets of bridge node plates 1 of parallel arrangement, install bridge piping structure 2 between the node plates, bridge node plate 1 opposite side is provided with panel 3, both ends all welded fastening have backing plate 4 about the panel 3, bridge node plate 1 set up in between the backing plate 4, panel 3 one side is provided with two sets of bases 5 of bilateral symmetry, both ends fixedly connected with clamping pole 6 about base 5, but the supporting pad 7 of elastic expansion is installed to panel 3 both ends, clamping pole 6 one end is provided with a pair of vaulting pole 8, another vertically opposite clamping pole 6 one end is provided with No. two pairs of vaulting poles 9.

For the specific embodiment, the supporting pad 7 can be made of a common polytetrafluoroethylene plate on a bridge, and a high polymer prepared by polymerizing tetrafluoroethylene serving as a monomer has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, has good elasticity, is commonly used for a supporting seat system of the bridge, is supported on the side wall of the bridge pipe structure 2 by utilizing the elastic deformation capacity of the supporting seat system, and plays a role in auxiliary positioning.

The middle of the backing plate 4 is provided with a first fastening hole 10, the inner side of the first fastening hole 10 is in threaded connection with a first fastening bolt 11 which is propped against the side wall of the bridge gusset plate 1, one end of the base 5, which faces the panel 3, is fixedly connected with a back plate 12, four corners of the back plate 12 are provided with second fastening holes 13, the inner side of the second fastening hole 13 is in threaded connection with a second fastening bolt 14, one end of the back plate 12 is fixedly connected with a sliding block 15, the inner side of the panel 3 is provided with a sliding groove 16, the sliding block 15 is movably connected with the inner side of the sliding groove 16, after the first fastening bolt 11 is screwed into the first fastening hole 10, the end part of the first fastening bolt 11 is extruded on the side wall of the bridge gusset plate 1, after the second fastening bolt 14 is screwed into the second fastening hole 13, the end part of the second fastening bolt 14 is extruded on the surface of the panel 3, the back plate 12 is locked at a corresponding position on the panel 3 by utilizing the friction force generated by extrusion, the sliding block 12 and the base 5 are further matched with the sliding groove 16 in a sliding groove 15, and the sliding block 15 can be matched with the sliding groove 16 in a sliding groove 15 structure so as to prevent the sliding block from falling out of the structure.

Meanwhile, the upper ends of the first pair of stay bars 8 and the lower ends of the second pair of stay bars 9 are respectively provided with a movable hole 17, the inner side of the movable hole 17 is movably connected with a movable head 18, one end of the movable head 18 is fixedly connected with a screw 19, the screw 19 is in threaded connection with the inner side of the clamping rod 6, the lower ends of the first pair of stay bars 8 are fixedly connected with an inserting rod 20, the inserting rod 20 is arranged on the inner side of the second pair of stay bars 9, an elastic piece 21 is arranged between the lower end of the inserting rod 20 and the inner wall of the second pair of stay bars 9, an anti-slip sleeve 22 is sleeved on the outer side of the clamping rod 6, the anti-slip sleeve 22 is made of rubber materials with rough textures on the surface, the screw 19 is respectively connected with the first pair of stay bars 8 and the second pair of stay bars 9 through the movable head 18, the first pair of stay bars 8 and the second pair of stay bars 9 keep unchanged in position during rotation, the elastic piece 21 can be made of elastic rubber materials or springs, good ductility is achieved, the inserted bar 20 can longitudinally enter and exit and quickly reset in the second pair of stay bars 9, the anti-slip sleeve 22 is of a thin-wall structure, the anti-slip sleeve is tightly attached to the surface of the bridge pipe structure 2, friction force between the anti-slip sleeve and the bridge pipe structure 2 is increased, locking performance of the anti-slip sleeve is better, and meanwhile the flexible material also plays a role in protecting the outer wall of the bridge pipe structure 2.

When the temporary locking structure of the steel structure bridge tubular member and the node plate is used, a user firstly installs the bridge node plates 1 at proper positions on a bridge main structure, then places the bridge tubular member 2 between the two bridge node plates 1, enables two ends of the bridge tubular member to abut against the bridge node plates 1, then clamps the panel 3 on the bridge node plates 1 through the backing plates 4 and is positioned on one side of the bridge tubular member 2, enables the side wall of the bridge tubular member 2 to abut against the supporting pad 7, tightens the first fastening bolt 11 to lock the position of the panel 3, then moves the base 5 up and down along the sliding groove 16 according to the diameter of the bridge tubular member 2, enables the clamping rod 6 to be positioned on the upper side and the lower side of the bridge tubular member 2, tightens the second fastening bolt 14 to fix the height of the base 5, then tightens the screws 19 on the upper side and the lower side of the base 5, controls the first pair of supporting rods 8 and the second pair of supporting rods 9 to be close to the side walls of the bridge tubular member 2, locks the bridge tubular member 2 by using the clamping rod 6, the supporting pad 7, the pair of supporting rods 8 and the second pair of supporting rods 9 to form the bridge tubular member 2, and then welds the four sides of the bridge tubular member 2 to form a permanent locking structure with the bridge tubular member 2.

Claims

1. The temporary locking structure comprises two groups of bridge node plates (1) which are arranged in parallel and a bridge pipe structure (2) arranged between the node plates; the bridge node plate is characterized in that a panel (3) is arranged on one opposite side of the bridge node plate (1), backing plates (4) are fixedly welded at the upper end and the lower end of the panel (3), the bridge node plate (1) is arranged between the backing plates (4), two groups of bases (5) which are vertically symmetrical are arranged on one side of the panel (3), clamping rods (6) are fixedly connected with the left end and the right end of the bases (5), supporting pads (7) which can be elastically stretched are arranged on the left end and the right end of the panel (3), a first pair of supporting rods (8) are arranged at one end of each clamping rod (6), and a second pair of supporting rods (9) are arranged at one end of each clamping rod (6) which is longitudinally opposite.

2. The temporary locking structure of the steel structure bridge tubular member and the node plate according to claim 1, wherein a first fastening hole (10) is formed in the middle of the base plate (4), and a first fastening bolt (11) abutted against the side wall of the bridge node plate (1) is connected to the inner side of the first fastening hole (10) in a threaded manner.

3. The temporary locking structure of the steel structure bridge tubular member and the node plate according to claim 1, wherein one end of the base (5) facing the face plate (3) is fixedly connected with a back plate (12), two fastening holes (13) are formed in four corners of the back plate (12), and two fastening bolts (14) are connected to inner sides of the two fastening holes (13) in a threaded mode.

4. The temporary locking structure for the steel structure bridge tubular member and the node plate according to claim 3, wherein one end of the back plate (12) is fixedly connected with a sliding block (15), a sliding groove (16) is formed in the inner side of the panel (3), and the sliding block (15) is movably connected to the inner side of the sliding groove (16).

5. The temporary locking structure of the steel structure bridge tubular member and the node plate according to claim 1, wherein the upper ends of the pair of stay bars (8) and the lower ends of the pair of stay bars (9) are provided with movable holes (17), movable heads (18) are movably connected to the inner sides of the movable holes (17), one ends of the movable heads (18) are fixedly connected with screw rods (19), and the screw rods (19) are in threaded connection with the inner sides of the clamping rods (6).

6. The temporary locking structure of the steel structure bridge tubular member and the node plate according to claim 1, wherein the lower ends of the first pair of stay bars (8) are fixedly connected with inserting bars (20), the inserting bars (20) are arranged on the inner sides of the second pair of stay bars (9), and elastic pieces (21) are arranged between the lower ends of the inserting bars (20) and the inner walls of the second pair of stay bars (9).

7. The temporary locking structure of the steel structure bridge tubular member and the node plate according to claim 1, wherein the outer side of the clamping rod (6) is sleeved with an anti-slip sleeve (22), and the anti-slip sleeve (22) is made of rubber materials with rough textures on the surface.