CN212175525U - Double-line beam replacing equipment - Google Patents

Abstract

The utility model relates to a bridge trades a field, in particular to double-line trades roof beam equipment. Including first single line and second single line, first single line is treated to be equipped with the travelling car on the existing bridge of trading a hole site both sides, first single line is treated to trade the top of a hole site and is equipped with the nose girder that sets up along bridge longitudinal direction, the nose girder lower extreme is provided with a pair of hanging beam dolly that is used for hanging to put and move the roof beam piece, be equipped with horizontal guide part between the both ends of nose girder and the corresponding travelling car, the nose girder accessible horizontal guide part is reciprocating motion along bridge horizontal direction between first single line and second single line, second guide part swing joint is on the activity of first guide part, be equipped with beam piece transfer unit on the second single line. This scheme can realize the lateral shifting of nose girder on the double-line, full play the transportation function of second single line to effectively reduced the time of plugging into and feeding the roof beam process cost, make the construction degree of difficulty reduce and efficiency promotes.

Description

Double-line beam replacing equipment

Technical Field

The utility model relates to a bridge trades a field, in particular to double-line trades roof beam equipment.

Background

Due to the fact that the design years are long and the opening operation time is long, a large number of sick service beam bridges exist in the existing railway, and particularly in recent years, the needs of train speed increasing, heavy load reconstruction and the like are met, and a large number of simply-supported T-beams or steel plate beams with the span of 32m or less are needed to be replaced urgently.

In the existing double-line related frame replacing scheme, flow construction is adopted, beam replacing equipment generally performs beam replacing construction on one single line, but in the bridge frame replacing process, connection and beam feeding are performed together through a hoisting machine matched with a beam carrying trolley of a beam piece, and the construction progress is slow.

Based on the difficult problem, this application provides a double-line trades roof beam equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a beam equipment is traded to double-line to solve the partial technical problem who mentions in the background art at least.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a double-line trades roof beam equipment, including first single line and second single line, first single line is treated to be equipped with the travelling car on the existing bridge of trading a hole site both sides, the top that first single line was treated to trade a hole site is equipped with the nose girder that sets up along the bridge longitudinal direction, the nose girder lower extreme is provided with a pair of hanging beam dolly that is used for hanging put and travelling beam piece, be equipped with horizontal guide part between the both ends of nose girder and the corresponding travelling car, horizontal guide part is including the first guide part that is located first single line top and the second guide part that is located second single line top, reciprocating motion is done along bridge horizontal direction to nose girder accessible horizontal guide part between first single line and second single line, second guide part swing joint is equipped with beam piece transfer unit in order to realize dodging of second guide part on second single line on the activity of first guide part, the second single line.

Optionally, a support portion for ensuring stability of the lateral guide portion is provided between the lateral guide portion and the bridge deck.

Optionally, the first guide portion is disposed on the corresponding moving trolley, and the second guide portion is hinged to the first guide portion.

Alternatively, the second guide portion may be flipped up relative to the first guide portion.

Optionally, the supporting portion includes a plurality of legs disposed at bottom ends of the first and second guiding portions.

Optionally, the support portion further includes a sleeper beam disposed between the sleepers, and the support leg is detachably connected to the first guide portion and the second guide portion.

Optionally, the bottom of the guide beam is provided with a traveling part at a position corresponding to the transverse guide part, and the first guide part and the second guide part each include a track for the traveling part to move.

Optionally, the rail is provided with a limiting part for preventing the walking part from derailing.

Optionally, a bracket is arranged between the walking part and the guide beam.

Optionally, the beam piece transferring unit comprises a rail car, an old beam transport car and a new beam transport car which are sequentially arranged.

Has the advantages that: this scheme has the horizontal direction portion of dodging the function through the setting, can realize the lateral shifting of nose girder on the double-line, full play the transportation function of second single line to effectively avoided trading a frame in-process at traditional bridge, plug into and feed the roof beam and all need carry the roof beam dolly together and carry out this process through the cooperation of hoisting machinery, makeed the construction degree of difficulty reduce and efficiency promotes.

Drawings

Fig. 1 is a schematic structural diagram of the middle beam replacing device of the present invention.

Fig. 2 is a schematic view of the approach of the device of the present invention.

Fig. 3 is a schematic view of the second guiding portion of the device of the present invention being reset after entering the field.

Fig. 4 is a schematic view of the first old beam piece of the present invention.

Fig. 5 is a schematic diagram of the first old beam piece falling to the beam piece transferring unit.

Fig. 6 is a schematic diagram of the traverse of the middle guide beam being reset to the first single line according to the present invention.

Fig. 7 is a schematic diagram of the avoidance of the beam piece transferring unit by the second guiding part in the present invention.

Fig. 8 is a schematic structural view of the middle beam piece transferring unit of the present invention.

Reference numerals:

101. a first single line; 102. a second single line; 200. moving the trolley; 301. a guide beam; 302. a hanging beam trolley; 303. a support; 401. a first guide portion; 402. a second guide portion; 500. a beam piece transfer unit; 501. a rail car; 502. an old beam transport vehicle; 503. a new beam transport vehicle; 504. old track panel transport vehicles; 505. old railway ballast transport vechicle; 506. a new ballast transport vehicle; 507. a new track panel transport vehicle; 508. a beam piece support; 601. a support leg; 602. a bolster.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are some, but not all embodiments of the invention. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

Referring to fig. 1 and 2, a two-wire beam replacing apparatus includes a first single wire 101 and a second single wire 102, where moving trolleys 200 are disposed on existing bridges on both sides of a hole site to be replaced by the first single wire 101, a guide beam 301 disposed along a longitudinal direction of the bridge is disposed above the hole site to be replaced by the first single wire 101, a pair of hanging trolley 302 for hanging and moving a beam piece is disposed at a lower end of the guide beam 301, a transverse guide portion is disposed between two ends of the guide beam 301 and the corresponding moving trolley 200, the transverse guide portion includes a first guide portion 401 disposed above the first single wire 101 and a second guide portion 402 disposed above the second single wire 102, the guide beam 301 can reciprocate between the first single wire 101 and the second single wire 102 along a transverse direction of the bridge through the transverse guide portion, the second guide portion 402 is movably connected to the first guide portion 401 to enable the second guide portion 402 to avoid a route of the second single wire 102, the second single line 102 is provided with a beam piece transfer unit 500.

Referring to fig. 2, during the construction process, the traveling bogies 200 enter the field, the pair of traveling bogies 200 respectively move to two sides of the hole site where the first single line 101 is to be replaced along the existing line, and the guide beam 301 is positioned above the hole site where the first single line 101 is to be replaced under the packing of the traveling bogies 200. In the moving process of the moving trolley 200, the second guiding portion 402 may move relative to the first guiding portion 401, so that the second guiding portion is temporarily separated from the line of the second single line 102, the avoidance to the line of the second single line 102 is achieved, and the line interference of the second guiding portion 402 to the second single line 102 is reduced, thereby facilitating the entrance of the beam piece transferring unit 500 on the second single line 102.

Referring to fig. 3, after the moving trolley 200 moves to the proper position, the second guiding portion 402 may be reset to return to the normal state, and the first guiding portion 401 and the second guiding portion 402 together play a role of guiding the guide beam 301, so that the guide beam 301 may reciprocate between the first single line 101 and the second single line 102 along the transverse direction of the bridge.

Before the old beam piece is dismantled, firstly, accessory structures such as sidewalks and the like need to be dismantled in sequence, the old track panel needs to be dismantled, railway ballasts need to be collected, and supporting supports on the beam piece need to be removed. Referring to fig. 4, at this time, the hanging beam trolley 302 on the guide beam 301 may hang and pick up the beam piece to be replaced, and after the old beam piece is successfully hung, the old beam piece needs to be placed on the beam piece transferring unit 500 on the second single line 102, and the old beam piece is transferred through the beam piece transferring unit 500.

Referring to fig. 5, at this time, the guide beam 301 moves along the transverse direction of the bridge through the transverse guide portion, moves from the first single line 101 to the second single line 102, and then the old beam piece is moved to the second single line 102, and then the old beam piece is lowered onto the beam piece transfer unit 500 on the second single line 102.

Since the number of the old beam pieces per replacement hole site on the first single line 101 is two, the second old beam piece needs to be removed next. Referring to fig. 6 and 7, before the second old beam is removed, the beam transportation unit 500 with the first old beam placed thereon needs to be moved back, that is, the guide beam 301 moves along the transverse direction of the bridge and moves from the second single line 102 to the first single line 101 through the transverse guide portion, and then the second guide portion 402 avoids the line of the second single line 102, so that the beam transportation unit 500 with the first old beam is moved back.

At this time, the beam piece transferring unit 500 to be used for placing the second old beam piece is also entered, the second guiding portion 402 is reset, and the second old beam piece can be removed after the second guiding portion 402 is reset, so that the steps are the same as those of removing the first old beam piece, and are not described herein.

When two old beam pieces at the replacement hole site are all dismantled, feeding new beam pieces, firstly enabling the second guide part 402 to avoid the line of the second single line 102, enabling the beam piece transferring unit 500 with the new beam pieces placed on the first beam pieces to enter the field, then resetting the second guide part 402, enabling the guide beam 301 to move along the transverse direction of the bridge through the transverse guide part, moving the guide beam 301 from the first single line 101 to the second single line 102,

and (3) hoisting the first new beam piece by using a hoisting beam trolley 302 on the guide beam 301, hanging the new beam piece to move to the position above the frame replacing hole of the first single line 101, feeding the first new beam piece, and installing a support seat of the new beam piece.

After the feeding of the first new beam piece is finished, the second guide part 402 is made to avoid the line of the second single line 102, so that the beam piece transferring unit 500 for unloading the first new beam piece is moved back, and the beam piece transferring unit 500 for placing the second new beam piece is moved into the field, and the feeding mode of the second new beam piece is consistent with that of the first new beam piece, and is not repeated herein.

After the new beam piece feeding is finished, the conventional construction of paving the railway ballast, fixing the transverse connection system, erecting the new track panel, recovering the auxiliary structure and the like needs to be finished in sequence.

After the beam feeding is finished, the first single line 101 is complete, the movable trolley 200 can carry the guide beam 301 to move to the next hole site to be replaced, and the steps are repeated. It should be noted that, since the basic principles of removing the second old beam piece and the feeding beam of the new beam piece are consistent with those of removing the first old beam piece, the process schematic diagram of removing the second old beam piece and the feeding beam of the new beam piece is omitted.

This scheme has the horizontal direction portion of dodging the function through the setting, can realize pilot beam 301 lateral shifting on the double-line, full play the transportation function of second single line 102 to effectively avoided trading a frame in-process at traditional bridge, plug into and feed the roof beam and all need carry the roof beam dolly together to carry out this process through the cooperation of jack-up machinery, makeed the construction degree of difficulty reduce and efficiency promotes.

In the prior art, the connection and the beam feeding of the beam pieces are generally completed through a single line, namely, the beam transporting vehicles for connecting the old beam and feeding the new beam are respectively arranged on two sides of the frame replacing hole site, and in order to avoid the influence of the height of the head of the beam transporting vehicle on the connection and beam feeding processes, the head is far away from the frame replacing hole site, the tail of the vehicle is close to the frame replacing hole site, and therefore the beam pieces do not need to stride across the head in the connection and beam feeding processes. Due to the limitation of the position of the head of the beam transporting vehicle, the beam transporting vehicle is in a falling-down entering mode, the efficiency of long-distance transportation is low, and the potential problem that the beam transporting vehicle is difficult to examine and approve to go to the road through a road bureau exists.

In the scheme, the second single line 102 can be fully utilized to realize the transportation function, so that the transportation of the beam piece transferring unit 500 is forward running, the problems can be effectively avoided, the construction process is optimized, and a large amount of time is saved.

In this embodiment, the first guide portion 401 and the second guide portion 402 are mainly used for providing a track for the movement of the guide beam 301, and the movement of the guide beam 301 may be powered by itself or by a transverse guide portion, such as a gear, a belt, etc.

In the present embodiment, the first guide portion 401 is movably connected to the second guide portion 402, so as to avoid the second guide portion 402 occupying the line of the second wire 102, and therefore the movable connection facilitates the movement of the second guide portion 402, the second guide portion 402 may be hinged to the first guide portion 401, and the second guide portion 402 may be turned over to be retracted, and the second guide portion 402 may also be slidably connected to the first guide portion 401 in the transverse direction, and the second guide portion 402 may be retracted by the second guide portion 402 extending and retracting relative to the first guide portion 401.

And a supporting part used for ensuring the stability of the transverse guiding part is arranged between the transverse guiding part and the bridge floor.

The scheme is an optimization of the transverse guide part, because the movable trolley 200 is positioned on the first single line 101, when the guide beam 301 suspends the beam piece and transversely moves to the second single line 102, the gravity center of the transverse guide part can generate transverse deviation, so that the guide beam 301 possibly turns over, and therefore the supporting part is arranged for supporting the transverse guide part, and the condition that the guide beam 301 turns over is avoided.

The first guide part 401 is disposed on the corresponding moving cart 200, and the second guide part 402 is hinged to the first guide part 401.

The connection relationship between the first guide portion 401 and the second guide portion 402 is disclosed in the present embodiment, and the second guide portion 402 can be turned over relative to the first guide portion 401 by the hinge arrangement, so as to avoid the second single wire 102.

Referring to fig. 2 and 3, the second guide portion 402 may be flipped upward with respect to the first guide portion 401.

Because the transverse guide part is provided with the supporting part which is supported on the bridge floor, in order to avoid the interference influence caused by the supporting part in the overturning process of the second guide part 402, the second guide part 402 can be arranged to be overturned upwards relative to the first guide part 401, so that the second guide part 402 can be overturned quickly and effectively.

Referring to fig. 2, the supporting portion includes a plurality of legs 601 disposed at the bottom ends of the first guiding portion 401 and the second guiding portion 402.

This scheme is then to carrying out specific disclosure to the structure of supporting part, through setting up landing leg 601, can be effectual with supporting between first guide part 401, second guide part 402 and the bridge floor to play the function of stabilizing horizontal guide part, preferably, this landing leg 601 can be hydraulic means, makes itself also possess certain jacking ability, thereby reduces the influence that the centre of gravity skew of nose girder 301 brought.

The support portion further comprises a leg 602 disposed between the sleepers, and the leg 601 is detachably connected to the first guide portion 401 and the second guide portion 402.

The supporting part is further optimized, the supporting part moves transversely, even if the influence caused by gravity center offset is reduced by arranging the supporting legs 601 due to the fact that the guide beam 301 moves transversely, the problem that stress is uneven due to gravity center offset of the existing bridge is solved, the supporting legs 602 are arranged for the purpose, external force from the supporting legs 601 can be uniformly distributed in the transverse direction of the existing bridge by arranging the supporting legs 602, and therefore damage to the existing bridge is reduced.

When the device needs to be moved to the next rack replacement hole, the first guide part 401, the second guide part 402 and the support legs 601 can be detached, so that the moving trolley 200 can be moved conveniently, and the detachable connection mode can adopt conventional means, such as bolt connection or arrangement of connecting pieces. Preferably, the legs 601 are also detachably connected to the legs 602, so that the legs 601 can be reused.

The bottom end of the guide beam 301 is provided with a traveling part at a position corresponding to the transverse guide part, and the first guide part 401 and the second guide part 402 both include a track for the traveling part to move.

The scheme discloses a movement mode of the guide beam 301, and the guide beam 301 can stably move transversely by arranging the walking part and the track, so that construction can be conveniently unfolded.

And the track is provided with a limiting part for preventing the walking part from derailing.

In this scheme, through setting up spacing portion, can effectively avoid walking portion derail to optimize the overall stability of structure, spacing portion can adopt conventional selection, if set up and prevent turning over wheel etc..

A bracket 303 is arranged between the walking part and the guide beam 301.

The provision of the bracket 303 raises the height of the guide beam 301 to provide an operating space for the movement of the beam piece.

Referring to fig. 8, the beam piece transferring unit 500 includes a rail car 501, an old beam transportation car 502, and a new beam transportation car 503, which are sequentially arranged.

According to the scheme, the beam piece transferring unit 500 is further optimized, the track car 501, the old beam transport car 502 and the new beam transport car 503 which are sequentially arranged can be in one-to-one correspondence to the construction sequence of the scheme, namely, the track car 501 provides carrying power, the old beam piece which is removed is placed through the old beam transport car 502, the new beam piece to be fed is transported through the new beam transport car 503, and correspondingly, the two old beam transport car 502 and the two new beam transport car 503 can be arranged. In order to improve the placing stability of the new and old beam pieces, the beam piece brackets 303508 may be provided on both the old beam transport vehicle 502 and the new beam transport vehicle 503. More preferably, in order to further optimize the structure of the beam piece transferring unit 500, an old track panel transport vehicle 504 and an old track ballast transport vehicle 505 are further sequentially arranged between the track vehicle 501 and the old beam transport vehicle 502. A new ballast transport vehicle 506 and a new track row transport vehicle 507 are sequentially arranged behind the new beam transport vehicle 503, so that the whole beam piece transfer unit 500 can completely adapt to all the processes of the whole construction, and the construction efficiency is effectively improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. A double-line beam replacing device comprises a first single line and a second single line, and is characterized in that moving trolleys are arranged on existing bridges on two sides of a hole position to be replaced of the first single line, a guide beam arranged along the longitudinal direction of the bridge is arranged above the hole position to be replaced of the first single line, a pair of beam hanging trolleys used for hanging and moving beam pieces are arranged at the lower end of the guide beam, transverse guide parts are arranged between two ends of the guide beam and the corresponding moving trolleys and comprise a first guide part positioned above the first single line and a second guide part positioned above the second single line, the guide beam can reciprocate between the first single line and the second single line along the transverse direction of the bridge through the transverse guide parts, and the second guide part is movably connected to the first guide part to realize avoidance of the second guide part on a second single line, and a beam piece transferring unit is arranged on the second single line.

2. The dual wire beam exchanger apparatus of claim 1, wherein a support portion for securing stability of the lateral guide portion is provided between the lateral guide portion and the bridge deck.

3. The twin wire beam changing apparatus according to claim 2, wherein the first guide portion is provided on the corresponding traveling carriage, and the second guide portion is hinged to the first guide portion.

4. The twin wire beam change apparatus of claim 3, wherein the second guide is upturned relative to the first guide.

5. The twin wire beam changing apparatus according to claim 2, wherein the support portion comprises a plurality of legs provided at bottom ends of the first and second guide portions.

6. The dual wire beam exchanger apparatus of claim 5, wherein the support portion further comprises a bolster disposed between the sleepers, the legs being removably connected to the first and second guide portions.

7. The dual wire beam exchanging apparatus according to claim 1, wherein a traveling part is provided at a position corresponding to the lateral guide part at a bottom end of the guide beam, and each of the first guide part and the second guide part includes a rail on which the traveling part moves.

8. The dual wire beam exchanging device according to claim 7, wherein a stopper portion for preventing derailment of the traveling portion is provided on the rail.

9. The twin wire beam changing apparatus according to claim 7, wherein a bracket is provided between the traveling part and the guide beam.

10. The dual-line beam replacing device according to claim 1, wherein the beam piece transferring unit comprises a rail car, an old beam transport car and a new beam transport car which are arranged in sequence.

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