CN213114327U

CN213114327U - Combined beam structure of bridge girder erection machine

Info

Publication number: CN213114327U
Application number: CN202021435884.0U
Authority: CN
Inventors: 叶顺; 桂文涛; 甘泉; 武德智
Original assignee: Haibo Heavy Engineering Sciece and Technology Co Ltd
Current assignee: Haibo Heavy Engineering Sciece and Technology Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-05-04
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a combination beam structure of bridging machine, including pier base, first combination roof beam and bridging machine body, the upper end of pier base is equipped with the fixed plate, and the fixed plate surface is equipped with the sliding rail, the sliding rail surface is connected with first combination roof beam, and the one end of first combination roof beam is equipped with first staple bolt to the other end of first combination roof beam is equipped with the second staple bolt, first staple bolt upper end is equipped with connecting portion, and first staple bolt internal surface is connected with the support slide bar to first staple bolt front end is connected with the fastener, the support slide bar outside is connected with bridging machine body, and both ends are equipped with the mechanism of lifting by crane about bridging machine body to it is equipped with the steel-concrete support frame to lift by crane the mechanism upper end. This combination beam structure of frame bridge crane can avoid the combination beam to dismantle required step, only needs to remove one of them end combination beam and can accomplish the regulation, has improved the construction progress of whole engineering to the flexibility of combination beam has been increased.

Description

Combined beam structure of bridge girder erection machine

Technical Field

The utility model relates to a combination beam technical field specifically is a combination beam structure of frame bridge crane.

Background

The combined bridge has the advantages of light self weight, large crossing capacity, high construction progress and the like, has very obvious economic benefit and competitiveness in traffic construction, the construction of the steel-concrete combined bridge is greatly promoted in China at present, and common construction methods comprise a support construction method, a pushing construction method and a bridge girder erection machine construction method, wherein the bridge girder erection machine construction method is relatively high in construction speed, the self weights of the steel girder and the bridge deck slab at the early stage are borne by the steel girder, the bridge deck slab is not stressed, the integral stress of the combined structure is applied when the load at the later stage is applied, and the comprehensive advantage is very obvious.

However, when the existing bridge girder erection machine is used for hoisting construction, only the steel girder of one span is hoisted at each time, the whole combined girder needs to be dismantled and repeatedly installed again, the construction speed of the installation link can directly influence the construction progress of the whole project, the stress on the connection surface of the combined girder is uneven, and the condition of cracking and bending easily occurs, so that the combined girder structure of the bridge girder erection machine is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination beam structure of frame bridge crane to propose the girder steel that only hoists one at every turn in solving above-mentioned background art, need dismantle the repeated installation once more with whole combination beam, the construction speed of installation link can directly influence the construction progress of whole engineering, and the combination beam is connected the face atress inequality, the problem that the condition that the fracture was buckled takes place appears easily.

In order to achieve the above object, the utility model provides a following technical scheme: a combined beam structure of a bridge girder erection machine comprises a bridge pier base, a first combined beam and a bridge girder erection machine body, wherein a fixed plate is arranged at the upper end of the bridge pier base, a sliding rail is arranged on the outer surface of the fixed plate, a first combined beam is connected to the outer surface of the sliding rail, a first hoop is arranged at one end of the first combined beam, a second hoop is arranged at the other end of the first combined beam, a connecting portion is arranged at the upper end of the first hoop, a supporting sliding rod is connected to the inner surface of the first hoop, a fastener is connected to the front end of the first hoop, a bridge girder erection machine body is connected to the outer side of the supporting sliding rod, lifting mechanisms are arranged at the left end and the right end of the bridge girder erection machine body, a steel-concrete support frame is arranged at the upper end of the lifting mechanisms, a protective guard is arranged on the outer side of the bridge girder erection machine body, reinforcing ribs are arranged on the inner, the inner surface of the first combined beam is provided with a connecting seat, the outer surface of the first combined beam is provided with a reinforced stay bar, and the outer side of the middle end of the reinforced stay bar is provided with an anti-bending protection piece.

Preferably, the first combination beams are distributed at the upper end of the pier base at equal intervals, and the connecting seats are distributed on the inner surface of the first combination beams at equal intervals.

Preferably, the first combined beam and the second combined beam are in the same structure, and the first combined beam is in sliding connection with the fixed plate.

Preferably, the first anchor ear and the second anchor ear are connected in a fitting manner, and the first anchor ear and the second anchor ear are movably connected with the supporting slide rod.

Preferably, the bridge girder erection machine body is connected with the supporting slide bars in a clamping and sliding manner, and the supporting slide bars are distributed at the left end and the right end of the bridge girder erection machine body at equal intervals.

Preferably, the reinforcing brace rod and the first combined beam are of detachable structures, and the reinforcing brace rod and the anti-bending protection piece are fixedly connected in a clamping manner.

Compared with the prior art, the beneficial effects of the utility model are that: the combined beam structure of the bridge girder erection machine,

1. the combined beam is arranged into a clamping structure and is matched with the supporting sliding rod for adjustment, so that the steps required for disassembling the combined beam can be avoided, the adjustment can be completed only by moving one combined beam at one end, the construction progress of the whole project is improved, and the flexibility of the combined beam is improved;

2. the connecting seats and the reinforcing support rods are arranged inside and outside the combined beam, so that the transverse bearing force of the combined beam can be increased, the whole combined beam is more stably connected, the combined beam can bear larger gravity, all supporting points of the combined beam are more uniformly stressed, and the bending condition caused by overlarge stress of a single reinforcing support rod can be prevented by the anti-bending protective piece, so that the whole stability is increased;

3. through setting up many support slide bars between the composite beam, the stability of promotion bridging machine that can step forward makes bridging machine more steady when removing, avoids the bearing too big and leads to supporting the slide bar fracture to the security and the stability of construction have been increased.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic front view of the present invention;

fig. 4 is the inside schematic view of the side view structure of the fixing plate of the present invention.

In the figure: 1. a pier base; 2. a fixing plate; 3. a first composite beam; 4. a first hoop; 5. a connecting portion; 6. supporting the sliding rod; 7. a fastener; 8. a bridge girder erection machine body; 9. a hoisting mechanism; 10. a steel-concrete support frame; 11. a limiting frame; 12. protecting the fence; 13. a second composite beam; 14. a sliding rail; 15. a second hoop; 16. reinforcing the support rod; 17. an anti-fracture guard; 18. reinforcing ribs; 19. a connecting seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, the present invention provides a technical solution: a combined beam structure of a bridge girder erection machine comprises a bridge pier base 1, a first combined beam 3 and a bridge girder erection machine body 8, wherein a fixed plate 2 is arranged at the upper end of the bridge pier base 1, a sliding rail 14 is arranged on the outer surface of the fixed plate 2, the first combined beam 3 is connected to the outer surface of the sliding rail 14, a first hoop 4 is arranged at one end of the first combined beam 3, a second hoop 15 is arranged at the other end of the first combined beam 3, a connecting part 5 is arranged at the upper end of the first hoop 4, a supporting slide bar 6 is connected to the inner surface of the first hoop 4, a fastener 7 is connected to the front end of the first hoop 4, a bridge girder erection machine body 8 is connected to the outer side of the supporting slide bar 6, lifting mechanisms 9 are arranged at the left end and the right end of the bridge girder erection machine body 8, steel-concrete support frames 10 are arranged at the upper ends of the lifting mechanisms 9, guard rails 12 are arranged at the outer side of the bridge girder erection machine, the right end of the support sliding rod 6 is connected with a second combined beam 13, the inner surface of the first combined beam 3 is provided with a connecting seat 19, the outer surface of the first combined beam 3 is provided with a reinforced support rod 16, and the outer side of the middle end of the reinforced support rod 16 is provided with an anti-bending protection piece 17.

The first combination beams 3 are distributed on the upper end of the pier base 1 at equal intervals, the connecting seats 19 are distributed on the inner surface of the first combination beams 3 at equal intervals, the first combination beams 3 are distributed on the upper end of the pier base 1 at equal intervals, and the plurality of connecting seats 19 are arranged in the first combination beams 3, so that the first combination beams 3 can be conveniently detached while the connecting surface strength is improved, the first anchor ear 4 is separated from the second anchor ear 15, and the flexibility of the combination beams is improved;

the first combination beam 3 and the second combination beam 13 are in the same structure, the first combination beam 3 is in sliding connection with the fixed plate 2, the first combination beam 3 and the second combination beam 13 which are in the same structure are arranged at the left end and the right end of the bridge girder erection machine body 8, and the first combination beam 3 and the second combination beam 13 can slide on the sliding rails 14 at the upper end of the fixed plate 2, so that the first hoop 4 and the second hoop 15 at the upper end can be separated, and the adjustment work is more convenient and faster;

the first hoop 4 is connected with the second hoop 15 in a fitting mode, the first hoop 4 and the second hoop 15 are movably connected with the supporting slide bars 6, the first hoop 4 is attached with the second hoop 15, the connecting portions 5 are fixed through bolts, the supporting slide bars 6 are supported and fixed, the first combination beam 3 at one end of the first hoop 4 can be separated from the second hoop 15, the length of the supporting slide bars 6 in the first combination beam 3 is adjusted through moving, and therefore the next step of steel beam hoisting can be completed without disassembling the whole combination beam;

the bridge girder erection machine body 8 is connected with the supporting slide rods 6 in a clamping and sliding manner, the supporting slide rods 6 are distributed at the left end and the right end of the bridge girder erection machine body 8 at equal intervals, and the supporting force on the bridge girder erection machine body 8 can be enhanced by arranging a plurality of supporting slide rods 6 which are distributed at the left end and the right end of the bridge girder erection machine body 8, so that the supporting points of the bridge girder erection machine body 8 are more uniform, and the bridge girder erection machine body 8 is more stable in sliding outside the supporting slide rods 6;

the reinforcing support rod 16 and the first combined beam 3 are of detachable structures, the reinforcing support rod 16 and the anti-bending protection piece 17 are fixedly connected in a clamping mode, the reinforcing support rod 16 is connected between the outer sides of the first combined beam 3, the transverse supporting force of the whole structure can be enhanced, the situation that the first combined beam 3 and the second combined beam 13 are broken due to the fact that the first combined beam and the second combined beam are pressed by gravity when in operation is avoided, the strength of the middle end of the reinforcing support rod 16 is enhanced through the anti-bending protection piece 17, the situation that the reinforcing support rod 16 is bent due to long-term stress is avoided, and therefore the stability of the whole structure is improved;

the working principle is as follows: when the combined beam structure of the bridge girder erection machine is used, firstly, the fixing plate 2 is fixed at the upper end of the pier base 1, the first combined beam 3 and the second combined beam 13 are respectively fixed at opposite positions, then the first combined beam 3 and the second combined beam 13 are controlled to be matched with the sliding rail 14 for spacing adjustment, after the bridge girder erection machine body 8 is connected with the supporting sliding rod 6 in a penetrating way, then the supporting sliding rod 6 is integrally placed in the first hoop 4 and the second hoop 15 by using a hoisting device, the first combined beam 3 and the second combined beam 13 are moved inwards after the distance is adjusted, so that the first hoop 4 and the second hoop 15 can clamp the supporting sliding rod 6, then the connecting part 5 is fixed by using a bolt, finally, the front ends of the first hoop 4 and the second hoop 15 are limited and fixed by using the fastener 7, then the connecting seat 19 is placed between the first combined beam 3 and the second combined beam 13 for fixing, the supporting slide bars 6 at the upper ends of the first combination beam 3 and the second combination beam 13 are more fastened and stable, when a pier needs to be built, the lifting mechanism 9 at the bottom end of the bridge girder erection machine body 8 is controlled, a steel beam is placed in the limiting frame 11, then the lifting mechanism 9 is controlled to slide left and right on the supporting slide bars 6, the steel beam and the pier base 1 are installed by moving to a corresponding position, wherein the steel-concrete support frame 10 can improve the supporting force fixed by the lifting mechanism 9, so that the lifting mechanism 9 can bear larger weight, the guard rail 12 can protect workers, the reinforcing ribs 18 in the bridge girder erection machine body 8 can improve the overall connection strength, the reinforcing support rods 16 are connected between the outer sides of the first combination beam 3, the transverse supporting force of the whole structure can be enhanced, and the situation that the first combination beam 3 and the second combination beam 13 are cracked due to the pressure of gravity when in operation is avoided, and the strength of the middle end of the reinforced support rod 16 is enhanced by the anti-bending protective piece 17, so that the condition that the reinforced support rod 16 is bent due to long-term stress is avoided, and the overall practicability is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a combination beam structure of bridging machine, includes pier base (1), first combination roof beam (3) and bridging machine body (8), its characterized in that: the bridge girder erection machine is characterized in that a fixing plate (2) is arranged at the upper end of the bridge pier base (1), a sliding rail (14) is arranged on the outer surface of the fixing plate (2), a first combination beam (3) is connected to the outer surface of the sliding rail (14), a first hoop (4) is arranged at one end of the first combination beam (3), a second hoop (15) is arranged at the other end of the first combination beam (3), a connecting portion (5) is arranged at the upper end of the first hoop (4), a supporting slide bar (6) is connected to the inner surface of the first hoop (4), a fastener (7) is connected to the front end of the first hoop (4), a bridge girder erection machine body (8) is connected to the outer side of the supporting slide bar (6), hoisting mechanisms (9) are arranged at the left end and the right end of the bridge girder erection machine body (8), a steel-concrete support frame (10) is arranged at the upper ends of the hoisting, and reinforcing ribs (18) are arranged on the inner surface of the bridge girder erection machine body (8), a limiting frame (11) is arranged at the bottom end of the hoisting mechanism (9), a second combined beam (13) is connected to the right end of the supporting slide bar (6), a connecting seat (19) is arranged on the inner surface of the first combined beam (3), a reinforcing support rod (16) is arranged on the outer surface of the first combined beam (3), and an anti-bending protection piece (17) is arranged on the outer side of the middle end of the reinforcing support rod (16).

2. The composite beam structure of a bridge girder according to claim 1, wherein: the upper end of the pier base (1) is provided with first combination beams (3) at equal intervals, and the inner surfaces of the first combination beams (3) are provided with connecting seats (19) at equal intervals.

3. The composite beam structure of a bridge girder according to claim 1, wherein: the first combined beam (3) and the second combined beam (13) are of the same structure, and the first combined beam (3) is in sliding connection with the fixing plate (2).

4. The composite beam structure of a bridge girder according to claim 1, wherein: the first hoop (4) is connected with the second hoop (15) in a fitting mode, and the first hoop (4) and the second hoop (15) are movably connected with the supporting slide bar (6).

5. The composite beam structure of a bridge girder according to claim 1, wherein: the bridge girder erection machine body (8) is connected with the supporting slide rods (6) in a clamping and sliding mode, and the supporting slide rods (6) are distributed at the left end and the right end of the bridge girder erection machine body (8) at equal intervals.

6. The composite beam structure of a bridge girder according to claim 1, wherein: the reinforced support rod (16) and the first combined beam (3) are of detachable structures, and the reinforced support rod (16) and the anti-bending piece (17) are fixedly connected in a clamping manner.