CN217733732U

CN217733732U - Arch bridge suspender assembly convenient to replace

Info

Publication number: CN217733732U
Application number: CN202222043069.5U
Authority: CN
Inventors: 陈勇; 周青松; 王振航; 郭俊
Original assignee: Shanghai Building Science Research Institute Co Ltd
Current assignee: Shanghai Building Science Research Institute Co Ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-04
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses an arch bridge jib subassembly of convenient change relates to the bridge component field, including the steel pull rod, the steel pull rod is fixed on the crossbeam of bridge, the top of steel pull rod is fixed with connects the platform, the draw-in groove has been seted up at the upper surface middle part of connecting the platform, peg graft in the inside of draw-in groove has the jib, the top of jib is fixed on the arch rib of bridge, the lower extreme outside of jib is fixed with the lug. The utility model discloses a be provided with movable cardboard in connecting the recess of bench, movable cardboard is corresponding with the lug on the jib, it links to each other to connect the solid fixed ring joint on bench steel hook and the lug simultaneously, the joint strength of connecting platform and jib has been improved, be provided with the movable sleeve on the jib simultaneously, the slot cooperation that the movable sleeve passes through on reference column and the movable cardboard can be spacing with movable cardboard, the stability of connecting platform and jib connection has been improved, the jib is convenient for dismantle fast and changes simultaneously.

Description

Arch bridge suspender assembly convenient to replace

Technical Field

The utility model relates to a bridge member field, in particular to convenient arch bridge jib subassembly of changing.

Background

According to the regulations of relevant design specifications of highway bridges and culverts in China, the standard service life of the design of the highway bridges and culverts is 100 years, and for most arch bridges, the service life of a suspender cable system is more than 20 years. Therefore, the boom guy cable needs to be replaced for a plurality of times during the service life of the arch bridge. Because the structure of early arch bridge jib is often deficient in corrosion resisting property and fatigue resistance ability, along with technical progress, the jib of old-fashioned structure will be replaced by the better novel jib of performance. But the current novel jib all links to each other through the welding, perhaps through a large amount of bolt fixed connection, the inconvenient dismantlement of welded jib is changed, and the condition of smooth silk appears easily when changing through bolted connection's jib, influences the change efficiency of jib. Accordingly, there is a need to solve the above problems by creating an arch bridge boom assembly that is easy to replace.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient arch bridge jib subassembly of changing to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient arched bridge jib subassembly of changing, includes the steel pull rod, the steel pull rod is fixed on the crossbeam of bridge, the top of steel pull rod is fixed with connects the platform, the draw-in groove has been seted up at the upper surface middle part of connecting the platform, the inside of draw-in groove is pegged graft and is had the jib, the top of jib is fixed on the arch rib of bridge, the lower extreme outside of jib is fixed with the lug, connect the upper end outside of platform and seted up a plurality of recesses that are the annular array and distribute, there is movable cardboard through the round pin hub connection in the recess, movable cardboard sets up to L shape structure, the upper end of movable cardboard is laminated with the upper surface of lug mutually, the movable sleeve has been cup jointed in the lower extreme outside of jib, the top of lug is arranged in to the movable sleeve, the lower fixed surface of movable sleeve is connected with a plurality of reference columns corresponding with movable cardboard, the slot has been seted up at the upper end middle part of movable cardboard, the lower extreme of slot extends to the upper surface of lug, reference column and slot looks adaptation.

Preferably, a fixing plate is arranged above the movable sleeve, the fixing plate is of an annular structure, and the fixing plate is fixed at the lower end of the hanging rod.

Preferably, the lower surface of the fixing plate is connected with the movable sleeve through a compression spring, and the compression spring is sleeved on the outer side of the suspender.

Preferably, the upper surface fixedly connected with multiunit annular array distribution's of connecting the platform steel couple, the lower fixed surface of lug has multiunit annular array distribution's solid fixed ring, gu fixed ring and steel couple looks adaptation.

Preferably, the lower surface of connecting the platform passes through reinforcing plate and steel pull rod's upper end outside fixed connection, the reinforcing plate sets up to the triangle-shaped structure, and the reinforcing plate is provided with a plurality ofly, and a plurality of reinforcing plates are annular array and distribute.

Preferably, an extension block is fixed on the side wall of the upper end of the groove, a notch is formed in the inner wall of the lower end of the movable clamping plate, and the extension block is matched with the notch.

The utility model discloses a technological effect and advantage:

the utility model discloses a be provided with movable cardboard in connecting the recess of bench, movable cardboard is corresponding with the lug on the jib, it links to each other to connect the solid fixed ring joint on bench steel hook and the lug simultaneously, the joint strength of connecting platform and jib has been improved, be provided with the movable sleeve on the jib simultaneously, the slot cooperation that the movable sleeve passes through on reference column and the movable cardboard can be spacing with movable cardboard, the stability of connecting platform and jib connection has been improved, the jib is convenient for dismantle fast and changes simultaneously.

Drawings

Fig. 1 is a schematic sectional view of the overall structure of the present invention.

Fig. 2 is a schematic top view of the bump structure of the present invention.

Fig. 3 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. a steel tie rod; 2. a connecting table; 3. a card slot; 4. a boom; 5. a bump; 6. a groove; 7. a movable clamping plate; 8. a movable sleeve; 9. a positioning column; 10. a slot; 11. a fixing plate; 12. a compression spring; 13. steel hook; 14. a fixing ring; 15. a reinforcing plate; 16. an extension block; 17. a notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an arch bridge jib subassembly as shown in fig. 1-3 that conveniently changes, including steel pull rod 1, steel pull rod 1 is fixed on the crossbeam of bridge, steel pull rod 1's top is fixed with connection platform 2, the lower surface of connection platform 2 passes through reinforcing plate 15 and steel pull rod 1's upper end outside fixed connection, reinforcing plate 15 sets up to the triangle-shaped structure, and reinforcing plate 15 is provided with a plurality ofly, a plurality of reinforcing plates 15 are annular array and distribute, reinforcing plate 15's setting has improved connection platform 2 and steel pull rod 1's joint strength and stability, draw-in groove 3 has been seted up at connection platform 2's upper surface middle part, the inside grafting of draw-in groove 3 has jib 4, jib 4's top is fixed on the arch rib of bridge, jib 4's the lower extreme outside is fixed with lug 5, connection platform 2's upper surface fixed connection has the annular array of multiunit to distribute's steel couple 13, the lower fixed surface of lug 5 has the solid fixed ring 14 that the annular array distributes, gu fixed ring 14 and steel couple 13 looks adaptation, gu fixed ring 14 cooperates with steel couple 13 and has further improved connection platform 2 and jib 4's joint strength.

It is specific, connect the upper end outside of platform 2 and offer a plurality of recesses 6 that are the annular array and distribute, there is movable cardboard 7 through round pin hub connection in the recess 6, movable cardboard 7 sets up to L shape structure, the upper end of movable cardboard 7 is laminated with the upper surface of lug 5 mutually, movable cardboard 7 has improved the joint strength who connects platform 2 and jib 4 with the cooperation of lug 5, be fixed with extension piece 16 on the upper end lateral wall of recess 6, notch 17 has been seted up on the lower extreme inner wall of movable cardboard 7, extension piece 16 and notch 17 looks adaptation, the tensile strength of movable cardboard 7 has been improved.

More specifically, the movable sleeve 8 has been cup jointed in the lower extreme outside of jib 4, movable sleeve 8 sets up in the top of lug 5, the lower fixed surface of movable sleeve 8 is connected with a plurality of reference columns 9 corresponding with activity cardboard 7, slot 10 has been seted up at the upper end middle part of activity cardboard 7, the lower extreme of slot 10 extends to the upper surface of lug 5, reference column 9 and slot 10 looks adaptation, reference column 9 has played spacing effect with the cooperation of slot 10, it is stable to make the installation of activity cardboard 7, and then the stability of being connected platform 2 and jib 4 has been improved, the top of movable sleeve 8 is provided with fixed plate 11, fixed plate 11 sets up to annular structure, and fixed plate 11 fixes the lower extreme at jib 4, the lower surface of fixed plate 11 passes through pressure spring 12 and links to each other with movable sleeve 8, pressure spring 12 cup joints in the outside of jib 4, pressure spring 12 sets up and makes movable sleeve 8 can not upwards move at will, the stability of reference column 9 location has been improved.

The utility model discloses the theory of operation:

this device is when the installation, at first insert the draw-in groove 3 on the joint station 2 with the bottom of jib 4 in, rotate movable cardboard 7 after that, laminate mutually with the upper surface of lug 5 up to the upper end of movable cardboard 7, extension piece 16 on the recess 6 is located notch 17 and laminates mutually with the interior top wall of notch 17 this moment, then move movable sleeve 8 downwards, until reference column 9 on the movable sleeve 8 inserts in the slot 10 on the movable cardboard 7, the bottom of reference column 9 inserts in the lug 5 this moment, it is spacing with movable cardboard 7, the stability of being connected of joint station 2 with jib 4 has been improved, when jib 4 inserts in draw-in groove 3, in the solid fixed ring 14 on the lug 5 is blocked into to the steel couple 13 on the joint station 2, strengthen the joint strength of joint station 2 and jib 4.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a convenient arched bridge jib subassembly of changing, includes steel pull rod (1), steel pull rod (1) is fixed on the crossbeam of bridge, its characterized in that: the top of steel pull rod (1) is fixed with connection platform (2), draw-in groove (3) have been seted up at the upper surface middle part of connection platform (2), the inside grafting of draw-in groove (3) has jib (4), the top of jib (4) is fixed on the arch rib of bridge, the lower extreme outside of jib (4) is fixed with lug (5), a plurality of recess (6) that are the annular array and distribute are seted up in the upper end outside of connection platform (2), there is movable cardboard (7) through the round pin hub connection in recess (6), movable cardboard (7) set up to L shape structure, the upper end of movable cardboard (7) is laminated with the upper surface of lug (5) mutually, movable cover (8) have been cup jointed in the lower extreme outside of jib (4), movable cover (8) set up in the top of lug (5), the lower fixed surface of movable cover (8) is connected with a plurality of reference columns (9) corresponding with movable cardboard (7), slot (10) have been seted up in the middle part of the upper end of movable cardboard (7), the lower extreme of slot (10) extends to the upper surface of lug (5), reference column (9) and slot (10) looks adaptation.

2. An easy-to-replace arch bridge boom assembly as defined in claim 1, wherein: a fixing plate (11) is arranged above the movable sleeve (8), the fixing plate (11) is of an annular structure, and the fixing plate (11) is fixed at the lower end of the hanging rod (4).

3. An easy-to-replace arch bridge boom assembly as defined in claim 2, wherein: the lower surface of the fixing plate (11) is connected with the movable sleeve (8) through a compression spring (12), and the compression spring (12) is sleeved on the outer side of the hanging rod (4).

4. An easy-to-replace arch bridge boom assembly as defined in claim 3, wherein: the upper surface fixed connection of connecting platform (2) has multiunit steel couple (13) that the annular array distributes, the lower fixed surface of lug (5) has multiunit solid fixed ring (14) that the annular array distributes, gu fixed ring (14) and steel couple (13) looks adaptation.

5. An easy-to-replace arch bridge boom assembly as defined in claim 4, wherein: the lower surface of the connecting table (2) is fixedly connected with the outer side of the upper end of the steel pull rod (1) through a reinforcing plate (15), the reinforcing plate (15) is of a triangular structure, the reinforcing plates (15) are arranged in a plurality of modes, and the reinforcing plates (15) are distributed in an annular array mode.

6. An easy-to-replace arch bridge boom assembly as defined in claim 5, wherein: an extension block (16) is fixed on the side wall of the upper end of the groove (6), a notch (17) is formed in the inner wall of the lower end of the movable clamping plate (7), and the extension block (16) is matched with the notch (17).