CN2861263Y

CN2861263Y - Up-down nose-girder type large-tonnage bridging machine

Info

Publication number: CN2861263Y
Application number: CN 200520025035
Authority: CN
Inventors: 林树庆
Original assignee: Handan Engineering Machinery Manufacturing Co Ltd No3 Bureau Group Of China Railway Bur
Current assignee: Handan China Railway Bridge Machinery Co Ltd
Priority date: 2005-10-13
Filing date: 2005-10-13
Publication date: 2007-01-24
Anticipated expiration: 2015-10-13

Abstract

The utility model relates to a carrying and installing equipment applied in railway, road and city bridges, which comprises a lower guide beam, a wheel beam conveyor truck, a tray dolly, an upper guide beam, a beam lifting mechanism, a driving mechanism, pillars arranged separately on the lower surface of the upper guide beam and the lower guide beam, front and rear bracket provided on the low surface of the lower guide beam. The bracket comprises an inter-beam steering which is arranged between the upper guide beam and the lower guide beam and whose two ends are actively matched to the two guide beams, a beam bottom steering which is arranged on front end of the lower surface of the low guide beam. The inter-beam steering and beam bottom steering are flexing steering of, the front and rear bracket are flexing brackets driven by driving mechanism and whose top is sliding matched with the lower guide beam. The utility model solves the problem that existed device can not pass through channel without dismantlement, which brings big difficulty for actual operation of bridgework. The utility model has the advantages of simple and reasonable structure, high automation, high efficiency of bridgework, safety and reliability, time saving and high efficiency.

Description

Nose girder formula large-tonnage bridge formation machine up and down

Technical field

The utility model relates to the transportation rack device that adopts in railway, highway and Urban Bridge.

Background technology

At present, the bridge formation machine that domestic designed or being used to of producing set up high-speed railway 900t beam sheet is mainly split type, the short-tail formula bridge formation machine of fortune frame, is characterized in: one, be provided with can be by the O type rear support leg of 900t beam sheet for structure, and is provided with two hanging beam dollies; Two, the principle of setting a roof beam in place is the preceding hanging beam dolly joist dolly feeding beam that moves forward synchronously of slinging on the front end of beam sheet and the Beam transportation vehicle, the back hanging beam dolly rear end of slinging the beam sheet then, and move forward to the paragraph beam of setting a roof beam in place with the synchronous hanging beam of preceding hanging beam dolly.Though such bridge machine is simple in structure, relatively stable, but overall dimensions are huge and the defective, particularly O type rear support leg (wide 17.8 meters, high 13. meters) of structure design, under the situation of not disintegrating, can't pass through the tunnel at all, bring very big difficulty for the practical operation of bridgework.Abroad, though rubber-tyred integration of transporting and building machine that Italian Ni Gula company produces is arranged under the particular design situation, can pass through the tunnel, its operating efficiency is low, and cost is more than 2 times of domestic bridge machine of the same type.

Summary of the invention

The purpose of this utility model is to provide a kind of formula of nose girder up and down large-tonnage bridge formation machine simple in structure, in interval transport process voluntarily, can pass through the tunnel under the situation of not disintegrating, and is implemented in the convenient assembling voluntarily of end of the bridge.

Overall structure of the present utility model is:

Nose girder formula large-tonnage bridge formation machine up and down, comprise following nose girder 3, rubber-tyred Beam transportation vehicle 12, joist dolly 11, go up nose girder 8, hanging beam mechanism 7, driving mechanism 10, be arranged at the pillar of nose girder 8 and following nose girder 3 soffits respectively, be assemblied in down the forward and backward supporting

leg

2,4 of nose girder 3 soffits; Pillar comprise be arranged between nose girder 8 and the following nose girder 3 and the end respectively with the two movable beam that cooperates between pillar, with pillar at the bottom of the beam that is arranged at down nose girder 3 soffit front ends, between beam at the bottom of pillar and the beam pillar be adjustable prop, the telescopic leg of forward and backward supporting

leg

2,4 for being slidingly matched by drive mechanism and its top and following nose girder 3.

Specific structural features of the present utility model also has:

Pillar spacer is arranged between nose girder 8 and the following nose girder 3 between beam, comprises the end by roller 13,14 lifting be supported on 1 between nose girder 8 and the following

nose girder

3,2

# post

5,6, and the active 3# post 9 that is assemblied in nose girder 8 two ends in top.

Pillar is the 0# post 1 that the top is matched with down nose girder 3 soffit front ends at the bottom of the beam.

The rail level coplane of rubber-tyred Beam transportation vehicle 12 and following nose girder 3 upper surfaces.

Joist dolly 11 is arranged at the upper surface of rubber-tyred Beam transportation vehicle 12.

1, the end of 2

# post

5,6 respectively by roller 13,14 lifting and be supported on the below ear beam of nose girder 8 and the top ear beam of following nose girder 3 on, 3# post 9 tops cooperate with the controlled pin formula alive of last nose girder 8 employings.

Following nose girder 3 be arranged in parallel with last nose girder 8.

Between beam at the bottom of pillar, the beam pillar, forward and backward supporting leg respectively with following nose girder 3, to go up nose girder 8 vertical.

The obtained technological progress of the utility model is:

1, overall structure of the present utility model is simple, reasonable, has solved Beam transportation vehicle and has packed bridge formation machine difficult problem by the tunnel in the transhipment of interval.

2, without other auxiliary hanging device can be voluntarily Beam transportation vehicle up and down, the interval back of shifting is assembled the automaticity height voluntarily at end of the bridge setting a roof beam in place.

3, realized fortune, the frame split operation of setting a roof beam in place, the efficient of setting a roof beam in place height, and safe and reliable.

4, owing to adopt high-order nose girder down, in the process of setting up last two bridges, need not disassemble down nose girder and can finish the task of setting a roof beam in place, the time-saving and efficiency.

Description of drawings

Accompanying drawing of the present utility model has:

Fig. 1 is an overall structure schematic diagram of the present utility model.

Fig. 2 is that the A-A of Fig. 1 is to view.

Fig. 3 is that the C-C of Fig. 1 is to view.

Fig. 4 is the A portion enlarged drawing among Fig. 3.

Fig. 5 is the B portion enlarged drawing among Fig. 3.

Fig. 6 is the working state figure of setting a roof beam in place of the present utility model.

Fig. 7 is an interval transhipment working state figure of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described further:

The overall structure of present embodiment as shown, comprising descending nose girder 3, rubber-tyred Beam transportation vehicle 12, joist dolly 11, going up nose girder 8, hanging beam mechanism 7, driving mechanism 10, be arranged at the pillar of nose girder 8 and following nose girder 3 soffits respectively, be assemblied in down the forward and backward supporting

leg

2,4 of nose girder soffit; Pillar comprise be arranged between nose girder 8 and the following nose girder 3 and the end respectively with the two movable beam that cooperates between pillar, with pillar at the bottom of the beam that is arranged at down nose girder 3 soffit front ends, between beam at the bottom of pillar and the beam pillar be adjustable prop, forward and backward supporting

leg

2,4, be the telescopic leg that drives by driving mechanism 10 and its top and following nose girder 3 are slidingly matched.

nose girder

3,2

# post

5,6, and the 3# post 9 that cooperates is sold in top and the work of last nose girder 8 two ends.3# post 9 tops adopt controlled pin formula alive to cooperate with last nose girder 8.

Pillar is the 0# post 1 that the top is fixedly tied in down nose girder soffit front end at the bottom of the beam.

The upper surface rail level coplane of rubber-tyred Beam transportation vehicle 12 and following nose girder 3.

Following nose girder 3 be arranged in parallel with last nose girder 8.

Between beam at the bottom of pillar, the beam pillar, forward and backward supporting

leg

2,4 respectively with following nose girder 3, to go up nose girder 8 vertical.

The utility model is work like this:

As shown in Figure 6, wherein the set a roof beam in place course of work of operation is:

(1), shown in a among Fig. 6,9 perks of 3# post become cantilever to treat the feeding beam state;

(2), shown in b among Fig. 6, joist dolly 11 transports beam sheet feeding beam;

(3), shown in c among Fig. 6, after joist dolly 11 transports beam sheet feeding beam and puts in place, return on the rubber-tyred Beam transportation vehicle 12 following 3# post 9, the hanging beam mechanism 7 beam sheet of slinging;

(4), shown in d among Fig. 6, the driving mechanism 10 of 1

# post

5,2# post 6, front leg strut 2 and rear support leg 4 drives simultaneously, will descend nose girder 3 reach, 0# post 1 shrinks, for the process of setting a roof beam in place gets out of the way beam space;

(5), shown in e among Fig. 6, Liang Pianluoliang puts in place;

(6), shown in f among Fig. 6, following nose girder 3 travelling backwards, 0# post 1 stretches out and is set up on the bridge pier, 9 perks of 3# post, 1

# post

5 and 2# post 6 drives goes up

nose girder

8,3# post 9 and hanging beam mechanism 7 reaches, one hole, becomes to treat the feeding beam state.

The course of work of interval transhipment operation is:

(1) shown in a among Fig. 7, behind intact last two Kong Liang of bridge formation frame, 1

# post

5 and 2# post 6 drive 3# post 9, hanging beam mechanism 7, upward nose girder 8 moves to down in the middle of the nose girder 3, and drop down onto low level;

(2) shown in b among Fig. 7, down 3# post 9 installs front leg strut 2 and rear support leg 4, with front leg strut 2 and rear support leg 4 reaches and centering 1

# post

5,2# post 6, rises to a high position then;

(3) shown in c among Fig. 7, tire Beam transportation vehicle 12 enters down nose girder 3 front portions;

(4) shown in d among Fig. 7,1

# post

5 and 2# post 6 drive 3# post 9, hanging beam mechanism 7, upward move to down nose girder 3 rear portions behind the nose girder 8, and centering tire fortune beam 12;

(5) shown in e among Fig. 7,3# post 9 under is packed up front leg strut 2, moves to tire Beam transportation vehicle 12 the place aheads after under the driving of driving mechanism 10, and props up good front leg strut 2, rear support leg 4;

(6) shown in f among Fig. 7, the driving mechanism of front leg strut 2,

rear support leg

4,1

# post

5 and 2# post 6 turns round simultaneously, makes down nose girder 3 move to the top of tire Beam transportation vehicle 12 backward, packs up 3# post 9, front leg strut 2 and rear support leg 4, and the bridge formation machine becomes the transhipment state.

Claims

1, nose girder formula large-tonnage bridge formation machine up and down, comprise following nose girder (3), rubber-tyred Beam transportation vehicle (12), joist dolly (11), go up nose girder (8), hanging beam mechanism (7), driving mechanism (10), be arranged at the pillar of nose girder (8) and following nose girder (3) soffit respectively, be assemblied in down forward and backward supporting leg (2), (4) of nose girder (3) soffit; It is characterized in that described pillar comprise be arranged between nose girder (8) and the following nose girder (3) and the end respectively with the two movable beam that cooperates between pillar, with pillar at the bottom of the beam that is arranged at down nose girder (3) soffit front end, between beam at the bottom of pillar and the beam pillar be adjustable prop, forward and backward supporting leg (2), (4) are the telescopic leg that is rolled and cooperated by drive mechanism and its top and following nose girder (3).

2, nose girder formula large-tonnage bridge formation machine up and down according to claim 1, it is characterized in that pillar spacer is arranged between nose girder (8) and the following nose girder (3) between described beam, comprise that roller (13) is passed through in the end, (14) lift and be supported on 1 between nose girder (8) and the following nose girder (3), 2# post (5), (6), and the active 3# post (9) that is assemblied in nose girder (8) two ends in top.

3, up and down nose girder formula large-tonnage bridge formation machine according to claim 1 is characterized in that pillar is the 0# post (1) that the top is matched with down nose girder (3) soffit front end at the bottom of the described beam.

4, up and down nose girder formula large-tonnage bridge formation machine according to claim 1 is characterized in that the rail level coplane of described rubber-tyred Beam transportation vehicle (12) and following nose girder (3) upper surface.

5, according to claim 1 or 4 described nose girder formula large-tonnage bridge formation machines up and down, it is characterized in that described joist dolly (11) is arranged at the upper surface of rubber-tyred Beam transportation vehicle (12).

6, nose girder formula large-tonnage bridge formation machine up and down according to claim 2, the end that it is characterized in that described 1,2# post (5), (6) lifts and is supported on the top ear beam of the below ear beam of going up nose girder (8) and following nose girder (3) by roller (13), (14) respectively, and 3# post (9) top cooperates with the controlled pin formula alive of last nose girder (8) employing.

7, nose girder formula large-tonnage bridge formation machine up and down according to claim 1 is characterized in that described nose girder (3) down be arranged in parallel with last nose girder (8).

8, up and down nose girder formula large-tonnage bridge formation machine according to claim 1 is characterized in that between described beam at the bottom of pillar, the beam that pillar, forward and backward supporting leg are vertical with following nose girder (3), last nose girder (8) respectively.