CN212175509U

CN212175509U - Crossbeam connecting mechanism and crossbeam

Info

Publication number: CN212175509U
Application number: CN202020549541.0U
Authority: CN
Inventors: 耿海帅; 李菲菲
Original assignee: Shandong Zhongjian Road And Bridge Technology Co ltd
Current assignee: Shandong Zhongjian Road And Bridge Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-18
Anticipated expiration: 2030-04-14

Abstract

The utility model provides a crossbeam coupling mechanism, including flange, anti-shear pin and fastener, flange's quantity is two, and two flange go up corresponding position and all be equipped with the perforating hole that supplies the fastener to pass and supply the pinhole that anti-shear pin stretches into, and the quantity of perforating hole is a plurality of, and the quantity of pinhole is at least two, all is equipped with the fixing device who is used for fixed anti-shear pin on the shear pin. So set up, on the one hand can make two flange adjust well completely through setting up the shear pin, thereby be more convenient for follow-up with the fastener penetrate the mounting hole in order to fix two flange, on the other hand shear pin has the function of anti-shear, make the junction after two crossbeams are connected can bear perpendicular to crossbeam ascending shearing force in the axial, the shear pin cooperates jointly with the fastener, make the junction of two crossbeams can bear along axial pulling force also can bear perpendicular to axial shearing force, joint strength is higher, the security is better.

Description

Crossbeam connecting mechanism and crossbeam

Technical Field

The utility model relates to a bridge building construction technical field, more specifically say, relate to a crossbeam coupling mechanism and crossbeam.

Background

Bridge construction usually adopts different construction methods according to different construction road sections. For example, the cantilever section uses a hanging basket hanging irrigation construction and a traditional continuous beam construction support system. No matter it hangs basket and irritates or continuous beam construction braced system all needs to use the crossbeam support. Such as the cross beams on continuous beam supports, and cradle construction cross beams. The cross beam main bodies in the prior art are mostly made of i-shaped steel, and in order to fix the cross beams or connect the cross beams with each other, a connecting plate is generally adopted. For example, if the first beam and the second beam need to be butted, holes are formed in the web plate and the wing plate at the butting position of the first beam and the web plate and the wing plate at the butting position of the second beam, and the connecting plate is correspondingly punched. However, by adopting the connection mode, on one hand, the requirement precision of punching the connecting plate and the section steel in the machining process is high, a plurality of bolt holes are formed in the connection process, the connection is complex, the installation and the connection are inconvenient, and on the other hand, the bolts cannot resist shearing force, so that the joint of the two cross beams cannot bear the tangential force vertical to the axial direction. Therefore, how to solve the problems that the connection mode of the cross beam in the prior art is inconvenient to install and cannot resist the tangential force needs to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a crossbeam coupling mechanism convenient to connect two crossbeams and can resist tangential force.

In order to solve the problem, the utility model provides a crossbeam coupling mechanism, including flange, shear pin and fastener, flange's quantity is two, two flange is used for respectively treating the one end fixed connection of the crossbeam of being connected, two with two corresponding position all is equipped with the confession on the flange the perforating hole that the fastener passed and confession the pinhole that the shear pin stretched into, the quantity of perforating hole is a plurality of, the quantity of pinhole is at least two, all be equipped with on the shear pin and be used for fixing the fixing device of shear pin.

Preferably, the shear pin includes a cylindrical section, a threaded section and a fixing cap, the threaded section is disposed at a first end of the cylindrical section, the fixing cap is disposed at a second end of the cylindrical section, and the fixing device includes a first nut in threaded engagement with the threaded section.

Preferably, the shear pin is further provided with a locking device for preventing the first nut from displacing along the threaded section.

Preferably, the anti-loosening device comprises a cotter pin, and a mounting hole for the cotter pin to extend into is formed in the threaded section.

Preferably, the fastener comprises a bolt and a second nut in threaded engagement with the bolt.

The utility model also provides a crossbeam, the crossbeam be used for through crossbeam coupling mechanism with other the crossbeam is connected, crossbeam coupling mechanism be as above arbitrary the crossbeam coupling mechanism.

Preferably, the cross beam comprises I-shaped steel, at least one end of the I-shaped steel is provided with the connecting flange, and the connecting flange is connected with the I-shaped steel in a welding mode.

Preferably, the number of the I-beams is two, the wing plates of the two I-beams are arranged in parallel, the notches of the two I-beams are opposite, and the two I-beams are connected with the connecting flange.

Preferably, the first rib plate is further included, one end of the first rib plate is connected with the web plate of the I-shaped steel, and the other end of the first rib plate is connected with the connecting flange.

Preferably, the steel structure further comprises a second rib plate, one end of the second rib plate extends into the groove of one of the two I-shaped steels and is fixedly connected with the groove, and the other end of the second rib plate extends into the groove of the other of the two I-shaped steels and is fixedly connected with the groove.

The utility model provides an among the technical scheme, a crossbeam coupling mechanism, including flange, shear pin and fastener, flange's quantity is two, and two flanges are used for respectively treating the one end fixed connection of the crossbeam of being connected with two, and two last corresponding positions of flange all are equipped with the perforating hole that supplies the fastener to pass and supply the pinhole that the shear pin stretched into, and the quantity of perforating hole is a plurality of, and the quantity of pinhole is at least two, all is equipped with the fixing device who is used for fixed shear pin on the shear pin. During the use, will be respectively with two treating two flange of connecting crossbeam fixed connection align, then stretch into two flange's the pinhole with the anti-shear pin so that two flange mutual positioning, just can make two flange adjust well completely through setting up two at least anti-shear pins, then penetrate the fastener in order to fix two flange's perforating hole again. So set up, on the one hand can make two flange adjust well completely through setting up the shear pin, thereby be more convenient for follow-up penetrating the fastener in the through-hole with two fixed flange, on the other hand shear pin has the function of anti-shear, make the junction after two crossbeams are connected can bear perpendicular to crossbeam ascending shearing force in the axial, the shear pin cooperates jointly with the fastener, make the junction of two crossbeams can bear along axial pulling force also can bear perpendicular to axial shearing force, joint strength is higher, the security is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a cross beam connection mechanism and a cross beam in an embodiment of the present invention;

FIG. 2 is a top view of the beam attachment mechanism and the beam of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at I;

fig. 4 is a left side view of the beam attachment mechanism and the beam of fig. 1.

In fig. 1-4:

1. a connecting flange; 2. a shear pin; 3. a first nut; 4. a bolt; 5. a second nut; 6. a web; 7. a wing plate; 8. a first rib plate; 9. a second rib plate; 10. a pin hole; 11. a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

This implementation provides a crossbeam coupling mechanism convenient to connect two crossbeams and can resist tangential force.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1-4, embodiments of the present invention provide a beam connecting mechanism for connecting two beams. The beam connecting mechanism comprises a connecting flange 1, a shear pin 2 and a fastener. The number of the connecting flanges 1 is two, and the two connecting flanges 1 are respectively used for being fixedly connected with one ends of two beams to be connected. For example, two connecting flanges 1 may be connected to two cross beams by welding. The corresponding positions of the two connecting flanges 1 are provided with through holes 11 for the fasteners to pass through, and the corresponding positions of the two connecting flanges 1 are also provided with pin holes 10 for the shear pins 2 to pass through and be arranged in a penetrating way. The number of the through holes 11 on each connecting flange 1 is multiple, and the number of the fasteners is the same and corresponds to that of the through holes one by one. The number of the pin holes 10 on each connecting flange 1 is at least two, and the number of the shear pins 2 is the same as that of the pin holes and corresponds to that of the pin holes one by one. Each shear pin 2 is also provided with fixing means for fixing the shear pin 2 in order to prevent the shear pin 2 from slipping out of the pin hole 10 after being mounted in the pin hole 10.

During the use, will be respectively with two treating two flange 1 of connecting crossbeam fixed connection align, then stretch into two flange 1's pinhole 10 with shear pin 2 so that two flange 1 mutual positioning, just can make two flange 1 align completely through setting up two at least shear pins 2, then penetrate the fastener in order to fix two flange 1's perforating hole again in proper order with two flange 1. Due to the arrangement, on one hand, the two connecting flanges 1 can be completely aligned by arranging the shear pins 2, so that the fastener can be conveniently inserted into the through hole to fix the two connecting flanges 1, and the connection of the two cross beams is more convenient; on the other hand, the shear pin 2 has the shear-resistant function, so that the connecting position of the two cross beams after being connected can bear the shear force in the axial direction of the cross beam, the shear pin 2 is matched with the fastener together, the connecting part of the two cross beams can bear the tensile force in the axial direction and also can bear the shear force in the axial direction of the cross beam, the connecting strength is higher, and the safety is better.

Referring to fig. 3, in some embodiments, shear pin 2 includes a cylindrical section, a threaded section, and a retaining cap. The screw thread section sets up in the first end of cylinder section, and the locking cap sets up in the second end of cylinder section, and fixing device includes the first nut 3 with screw thread section screw-thread fit. Wherein the cylinder section is used for cooperating with the pinhole 10 of two flange 1 that wait to be connected, and two pinhole 10 of relative position are adjusted well the back promptly on two flange 1, pass two pinhole 10 with the screw thread section of shear pin 2 for the cylinder section card is in two pinhole 10, and the locking cap offsets with a flange 1, then revolves on screwing the screw thread section through first nut 3, and makes first nut 3 offset with another flange 1, in order to fix shear pin 2. The shear pin may be made of high performance steel.

In some embodiments, the shear pin 2 is further provided with a locking device for preventing the first nut 3 from being displaced along the threaded section. In the use of crossbeam, probably arouse the crossbeam vibrations because of reasons such as construction, and lead to first nut 3 not hard up, can prevent through setting up loosening device that first nut 3 is not hard up back along the screw thread section displacement to prevent that shear pin 2 from following roll-off in pinhole 10, with the reliability of guaranteeing two transverse connection. Optionally, the anti-loosening device comprises a split pin, the threaded section is provided with a mounting hole for the split pin to extend into, the split pin penetrates into the mounting hole of the threaded section, and then the opening of the split pin is opened to prevent the split pin from falling off. In addition to this, two first nuts 3 may be provided on each shear pin 2 to prevent the first nuts 3 from loosening.

In some embodiments, the fastener includes a bolt 4 and a second nut 5 that is threadably engaged with the bolt 4. The bolts 4 penetrate through the two corresponding through holes on the two connecting flanges 1 to be connected and then are screwed with the second nuts 5, so that the two connecting flanges 1 are fixed. Likewise, two second nuts 5 may be mounted on each bolt 4 to provide a loosening prevention effect of the second nuts 5.

The embodiment of the utility model provides an in still provide a crossbeam, this crossbeam mainly is connected with other crossbeams through the crossbeam connecting piece, the crossbeam connecting piece be as above arbitrary embodiment the crossbeam connecting piece. So set up, on the one hand can make two flange 1 adjust well completely through setting up shear pin 2, thereby be more convenient for follow-up penetrating the fastener in the mounting hole with two fixed flange 1, on the other hand shear pin 2 has the function of anti-shearing, make the hookup location after two crossbeams are connected can bear perpendicular to crossbeam ascending shearing force, shear pin 2 cooperates jointly with the fastener, make the junction of two crossbeams can bear along axial pulling force also can bear perpendicular to axial shearing force, joint strength is higher, the security is better.

In some embodiments, the beam comprises an i-beam, at least one end of the i-beam is provided with a connecting flange 1, and the connecting flange 1 is welded with the i-beam. In other embodiments, as shown in fig. 4, the number of the i-beams is two, the flanges 7 of the two i-beams are arranged in parallel, the notches of the two i-beams are opposite, and the two i-beams are both connected with the connecting flange 1. The connecting flange 1 may be rectangular, and the two i-beams are symmetrically distributed along the center line of the rectangular connecting flange 1 in the vertical direction.

Referring to fig. 3-4, in order to enhance the connection strength of the i-steel and the connecting flange 1, in some embodiments, the cross beam further includes a first rib 8, and one end of the first rib 8 is connected to the web 6 of the i-steel, and the other end is connected to the connecting flange 1. For example, the first ribs 8 may be triangular ribs and the number of the triangular ribs is plural, and as shown with reference to fig. 4, the plural triangular ribs are alternately arranged with the through holes 11 in the vertical direction. Optionally, the triangular rib plates are arranged on two sides of the i-steel web 6.

Referring to fig. 2, in some embodiments, the cross beam further includes a second rib plate 9, one end of the second rib plate 9 extends into the groove of one of the two i-beams and is fixedly connected, and the other end of the second rib plate 9 extends into the groove of the other of the two i-beams and is fixedly connected. For example, the second rib plates 9 are welded to two i-beams, respectively. Referring to fig. 4, since two i-beams are arranged side by side and have a gap therebetween, the two i-beams do not contact each other, if the cross beam receives a force in the horizontal direction in fig. 4, each i-beam is separately stressed, the resistance of the cross beam is poor, and the two i-beams are connected by the second rib plate 9, and when one i-beam receives a horizontal force, the i-beam can be transmitted to the other i-beam through the second rib plate 9 to share the force, so that the overall rigidity of the cross beam is increased, and the cross beam can receive the force in the horizontal direction. It should be noted that the horizontal direction in this paragraph refers to the horizontal direction in fig. 4.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a crossbeam coupling mechanism, its characterized in that, includes flange (1), anti-shear pin (2) and fastener, the quantity of flange (1) is two, two flange (1) is used for respectively with two one end fixed connection of treating the crossbeam of being connected, two corresponding position all is equipped with the confession on flange (1) perforating hole (11) that the fastener passed and confession pinhole (10) that anti-shear pin (2) stretched into, the quantity of perforating hole (11) is a plurality of, the quantity of pinhole (10) is at least two, all be equipped with on anti-shear pin (2) and be used for fixing the fixing device of anti-shear pin (2).

2. A beam connection according to claim 1, wherein the shear pin (2) comprises a cylindrical section, a threaded section provided at a first end of the cylindrical section, and a securing cap provided at a second end of the cylindrical section, the securing means comprising a first nut (3) in threaded engagement with the threaded section.

3. The beam connection according to claim 2, characterized in that the shear pin (2) is further provided with a locking device for preventing the displacement of the first nut (3) along the threaded section.

4. The beam connection according to claim 3, wherein the anti-loosening means comprises a cotter pin, and the threaded section is provided with a mounting hole into which the cotter pin extends.

5. Cross-beam connection according to claim 1, characterized in that the fastening means comprise a bolt (4) and a second nut (5) in threaded engagement with the bolt (4).

6. A beam for connection to other of said beams by beam connection means according to any of claims 1 to 5.

7. The crossmember according to claim 6, characterised in that it comprises an i-steel, at least one end of which is provided with the connecting flange (1), the connecting flange (1) being welded to the i-steel.

8. The crossmember according to claim 7, characterised in that the number of the I-beams is two, the flanges (7) of two I-beams being arranged in parallel and the notches of two I-beams being opposite, both I-beams being connected to the connecting flange (1).

9. Cross-member according to claim 7, characterized in that it further comprises a first rib (8), said first rib (8) being connected at one end to the web (6) of the I-steel and at the other end to the connecting flange (1).

10. The crossmember according to claim 8, characterised in that it further comprises a second rib (9), one end of the second rib (9) extending into the groove of one of the two i-beams and being fixedly connected thereto, and the other end of the second rib extending into the groove of the other of the two i-beams and being fixedly connected thereto.