Truss connecting mechanism for bridge engineering

Abstract

The utility model discloses a truss connecting mechanism for bridge engineering, which comprises two shaft seats and two L-shaped plates, the L-shaped plates are rotatably connected with the corresponding shaft seats and are fixed at the end part of a truss II, the shaft seats are fixed at the end part of a truss I, the L-shaped plates are connected with a limiting mechanism for limiting the L-shaped plates, and the limiting mechanism is fixed at the end part of a truss II. The limiting mechanism comprises two barrels, two studs, two tooth blocks and a threaded barrel, the barrels are used for guiding the studs, the threaded barrel is used for driving the two studs to be close to or away from each other, the tooth blocks are connected to the ends of the studs, and the tooth blocks are matched with tooth grooves formed in the shaft seat. An included angle between the first truss and the second truss can be changed, flexible adjustment is achieved according to actual installation requirements, applicability is high, the tooth blocks are connected to the tooth grooves in the shaft seats, then limiting of the L-shaped plates and the shaft seats is achieved, mutual locking of the first truss and the second truss is achieved, connection shaking is avoided, a certain included angle is kept, and operation is easy and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge engineering technical field, concretely is a truss connecting mechanism for bridge engineering. BACKGROUND

[0002] Bridge engineering refers to the working process of bridge survey, design, construction, maintenance and calibration, and the truss is one of the components in bridge engineering construction, commonly used in large-span factory buildings, exhibition halls, gymnasiums and bridges and other public buildings, is a plane or space structure generally having triangular unit composed of straight rods, and the truss member mainly bears axial tension or pressure, so that the strength of the material can be fully utilized, and when the span is large, the material can be saved, the self weight is reduced and the stiffness is increased.

[0003] The existing truss is usually fixed by welding or bolt when being mutually butted, which is inconvenient to adjust the angle according to the actual installation requirement, has low flexibility, is troublesome to operate, consumes more time and has to be improved in applicability. UTILITY MODEL CONTENT

[0004] The utility model discloses a truss connecting mechanism for bridge engineering, which can change the included angle between truss one and truss two, flexibly adjust according to the actual installation requirement and has strong applicability, thereby solving the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a truss connecting mechanism for bridge engineering, which comprises two shaft seats and two L-shaped plates, the L-shaped plates are rotationally connected to the corresponding shaft seats, and the L-shaped plates are fixed to the end of truss two, the shaft seats are fixed to the end of truss one, the L-shaped plates are connected with a limiting mechanism for limiting the L-shaped plates, the limiting mechanism comprises two cylinders, two studs, two tooth blocks and a threaded cylinder, the cylinders are used for guiding the studs, the threaded cylinder is used for driving the two studs to move close to or away from each other, the tooth blocks are connected to the end of the studs, and the tooth blocks are matched with the tooth grooves arranged in the shaft seats.

[0006] Preferably, the end of the L-shaped plate is connected with a connecting shaft, and the connecting shaft is rotationally connected with a rotating groove arranged in the shaft seat.

[0007] Preferably, a through hole is arranged in the connecting shaft, and the tooth block is movably connected to the through hole.

[0008] Preferably, the limiting mechanism further comprises a guide block, a guide groove and a threaded hole, the guide groove is arranged in the cylinder, the guide block is slidably connected to the guide groove, and the guide block is fixedly connected with the stud, and the threaded hole is arranged in the threaded cylinder and is threadedly connected with the two studs.

[0009] Preferably, the outer threads of the two studs are in opposite directions.

[0010] Preferably, the barrel is threadedly connected with a locking nut, the inner side of the locking nut is provided with a plurality of anti-skid teeth, and the locking nut is pressed against the end of the threaded barrel.

[0011] Preferably, one end of the barrel is fixedly connected with an L-shaped plate, and the other end is rotatably connected with the threaded barrel.

[0012] Compared with the prior art, the utility model has the advantages that two shaft seats, two L-shaped plates and a limiting mechanism are arranged, truss two can be driven to rotate, the included angle between truss one and truss two is changed, actual installation requirements are flexibly adjusted, the applicability is strong, the threaded barrel is further driven to rotate, two studs are away from each other, the stud driving tooth block moves, the tooth block is connected in the tooth groove in the shaft seat, then the L-shaped plate and the shaft seat are limited, truss one and truss two are locked, relative shaking is avoided, a certain included angle is kept, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the utility model;

[0014] Figure 2 It is a limiting mechanism and shaft seat connection structure schematic view of the utility model;

[0015] Figure 3 It is Figure 2 partial view.

[0016] In the drawing: 1, truss one;2, truss two;3, L-shaped plate;4, barrel;5, threaded barrel;6, shaft seat;7, threaded hole;8, locking nut;9, guide block;10, guide slot;11, connecting shaft;12, stud;13, tooth block;14, tooth groove;15, rotation slot;16, through hole. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0018] Please refer to Figures 1 to 3The utility model provides a truss connecting mechanism for bridge engineering, including two axle seats 6 and two L shaped boards 3, L shaped board 3 is rotatively connected in corresponding axle seat 6, and L shaped board 3 is fixed in the end of truss two 2, axle seat 6 is fixed in the end of truss one 1.L shaped board 3 is connected with the limiting mechanism for the limiting of L shaped board 3, and the limiting mechanism includes two cylinder bodies 4, two stud bolts 12, two tooth blocks 13, threaded cylinder 5, cylinder body 4 is used for the direction of stud bolt 12, threaded cylinder 5 is used for driving two stud bolts 12 to be close to each other or away from each other, tooth block 13 is connected in the end of stud bolt 12, and tooth block 13 is matched with the tooth groove 14 set in axle seat 6.

[0019] The included angle between truss one 1 and truss two 2 can be adjusted, which is flexible to adjust according to actual installation demand, and is high in applicability. The threaded cylinder 5 is rotated to make the two stud bolts 12 away from each other, the stud bolt 12 drives the tooth block 13 to move, until the tooth block 13 is connected with the tooth groove 14, the threaded cylinder 5 is stopped from rotating, the L shaped board 3 is limited with the axle seat 6, the truss one 1 and the truss two 2 are locked, the relative shaking is avoided, the included angle is kept, and the operation is simple and convenient.

[0020] The end of L shaped board 3 is connected with the connecting shaft 11, the connecting shaft 11 is rotatively connected with the rotating groove 15 set in the axle seat 6, the connecting shaft 11 can rotate in the rotating groove 15, and the rotation is stable, the stability of the rotation of the truss two 2 is improved, and the rotation axis is Figure 3 X.

[0021] The connecting shaft 11 is provided with the through hole 16, the tooth block 13 is movably connected with the through hole 16, when the tooth block 13 is located in the through hole 16, the truss one 1 and the truss two 2 are in the relaxed state, and the angle between the two is adjusted; when the tooth block 13 is separated from the through hole 16 and connected with the tooth groove 14, the truss one 1 and the truss two 2 can be locked, and the included angle is kept.

[0022] The limiting mechanism further includes the guide block 9, the guide groove 10 and the threaded hole 7, the guide groove 10 is set in the cylinder body 4, the guide block 9 is slidably connected with the guide groove 10, the guide block 9 is fixedly connected with the stud bolt 12, the threaded hole 7 is set in the threaded cylinder 5, the threaded hole 7 is threadedly connected with the two stud bolts 12, and the outer thread directions of the two stud bolts 12 are opposite. When the stud bolt 12 moves, the guide block 9 slides in the guide groove 10, the stability of the movement of the stud bolt 12 can be improved, the tooth block 13 moves stably, and the tooth block 13 is accurately connected with the tooth groove 14.

[0023] The threaded barrel 5 is threadedly connected with a locking nut 8, the inner side of the locking nut 8 is provided with a plurality of anti-skid teeth, and the locking nut 8 is pressed against the end of the threaded barrel 5. The rotatable locking nut 8 is pressed against the end of the threaded barrel 5, and the contact friction force between the two can prevent the threaded barrel 5 from rotating loose, affecting the stability of the connection between the truss one 1 and the truss two 2. The anti-skid teeth can improve the contact friction force between the locking nut 8 and the threaded barrel 5.

[0024] The threaded barrel 5 is threadedly connected with a locking nut 8, the inner side of the locking nut 8 is provided with a plurality of anti-skid teeth, and the locking nut 8 is pressed against the end of the threaded barrel 5. The rotatable locking nut 8 is pressed against the end of the threaded barrel 5, and the contact friction force between the two can prevent the threaded barrel 5 from rotating loose, affecting the stability of the connection between the truss one 1 and the truss two 2. The anti-skid teeth can improve the contact friction force between the locking nut 8 and the threaded barrel 5.

[0025] Working principle: the included angle between the truss one 1 and the truss two 2 can be adjusted, and the actual installation demand can be flexibly adjusted, and the applicability is strong. Rotating the threaded barrel 5 can make the two studs 12 move away from each other, and the guide block 9 slides in the guide groove 10, which can improve the stability of the movement of the stud 12 and the tooth block 13. The tooth block 13 is inserted into the tooth groove 14, and then the L-shaped plate 3 and the shaft seat 6 are locked, so that the included angle between the truss one 1 and the truss two 2 is ensured, and finally the two locking nuts 8 are pressed against the upper and lower ends of the threaded barrel 5, which can prevent the threaded barrel 5 from rotating loose, affecting the stability of the connection between the tooth block 13 and the tooth groove 14, and ensuring the stability of the connection between the truss one 1 and the truss two 2. When the included angle between the truss one 1 and the truss two 2 needs to be adjusted again, first, the locking nut 8 is separated from the threaded barrel 5 to loosen the threaded barrel 5, and then the threaded barrel 5 is rotated to drive the two studs 12 to move close to each other, and the stud 12 drives the tooth block 13 to move back, so that the tooth block 13 is separated from the tooth groove 14, and the L-shaped plate 3 is loosened, which is convenient for angle adjustment control again.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A truss connection mechanism for bridge engineering, comprising two axle seats (6) and two L-shaped plates (3), characterized in that: The L-shaped plate (3) is rotatably connected to the corresponding shaft seat (6), and the L-shaped plate (3) is fixed to the end of the truss 2 (2), and the shaft seat (6) is fixed to the end of the truss 1 (1). The L-shaped plate (3) is connected to a limiting mechanism for limiting the L-shaped plate (3), and the limiting mechanism includes two cylinders (4), two studs (12), two tooth blocks (13), and a threaded cylinder (5). The cylinder (4) is used to guide the studs (12), and the threaded cylinder (5) is used to drive the two studs (12) to move closer to or away from each other. The tooth block (13) is connected to the end of the stud (12), and the tooth block (13) matches the tooth groove (14) provided in the shaft seat (6).

2. A truss connection mechanism for bridge engineering according to claim 1, characterized in that: The end of the L-shaped plate (3) is connected to a connecting shaft (11), and the connecting shaft (11) is rotatably connected to a rotating groove (15) provided in the shaft seat (6).

3. A truss connection mechanism for bridge engineering according to claim 2, characterized in that: A through hole (16) is provided in the connecting shaft (11), and the tooth block (13) is movably connected to the through hole (16).

4. A truss connection mechanism for bridge engineering according to claim 1, characterized in that: The limiting mechanism further comprises a guide block (9), a guide groove (10), and a threaded hole (7); the guide groove (10) is arranged in the cylinder (4); the guide block (9) is slidably connected to the guide groove (10); the guide block (9) is fixedly connected to the stud (12); the threaded hole (7) is arranged in the threaded cylinder (5), and the threaded hole (7) is threadedly connected to the two studs (12).

5. A truss connection mechanism for bridge engineering according to claim 4, characterized in that: The external threads of the two studs (12) are in opposite directions.

6. A truss connection mechanism for bridge engineering according to claim 1, characterized in that: The cylinder (4) is threadedly connected to a locking nut (8), a plurality of anti-slip teeth are provided on the inner side of the locking nut (8), and the locking nut (8) is pressed against the end of the threaded cylinder (5).

7. A truss connection mechanism for bridge engineering according to claim 6, characterized in that: One end of the cylinder (4) is fixedly connected to the L-shaped plate (3), and the other end is rotatably connected to the threaded cylinder (5).

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