CN212714575U

CN212714575U - Bridge girder erection machine for laying box girder

Info

Publication number: CN212714575U
Application number: CN202021112499.2U
Authority: CN
Inventors: 韩际彪; 宋雯雯; 付春彪
Original assignee: Henan Xindongfang Crane Group Co ltd
Current assignee: Henan Xindongfang Crane Group Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-16
Anticipated expiration: 2030-06-16

Abstract

The utility model relates to a bridge girder erection machine field specifically is a bridge girder erection machine for box girder lays, including crossbeam and longeron, the both ends of crossbeam all are connected with the longeron, the first pneumatic cylinder of the equal fixedly connected with of side around the bottom of longeron. The utility model discloses a third pneumatic cylinder drives the limit slide and slides in spacing spout to can drive the vertical adjusting position of crossbeam, thereby can make the position control's of case roof beam prepare more, make can be accurate fall on the pier, comparatively practical is fit for extensively promoting and using.

Description

Bridge girder erection machine for laying box girder

Technical Field

The utility model relates to a bridge girder erection machine field specifically is a bridge girder erection machine for box girder lays.

Background

The bridge girder erection machine is equipment for placing prefabricated beam pieces on a prefabricated bridge pier. A bridge girder erection machine belongs to the category of cranes, and is greatly different from a general crane in that the bridge girder erection machine mainly has the function of lifting a beam piece, then conveying the beam piece to a position and then putting the beam piece down. The required conditions are harsh, and the beam piece runs upwards or is called longitudinal movement. The bridge girder erection machine is divided into a highway bridge erection machine, a conventional railway bridge erection machine, a passenger-dedicated railway bridge erection machine and the like.

The existing bridge girder erection machine is inconvenient to longitudinally adjust in the using process, so that angle deviation easily occurs in the box girder installation process, and in the hoisting process, the height difference easily occurs on the front side and the rear side of the box girder in the vertical direction, so that the limiting groove at the bottom of the box girder can not be accurately clamped into the limiting block of the pier, and certain inconvenience is brought to installation of constructors. Therefore, we propose a bridge girder erection machine for box girder laying.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge crane for case roof beam is laid has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge girder erection machine for box girder laying comprises a cross beam and longitudinal girders, wherein the longitudinal girders are connected to two ends of the cross beam, and the front side and the rear side of the bottom of each longitudinal girder are fixedly connected with first hydraulic cylinders;

the outer wall both sides of crossbeam all are equipped with the framework of crossbeam adaptation, the equal fixed mounting of lateral wall has the motor around the framework, the transmission shaft of motor runs through framework outer wall and fixedly connected with gyro wheel, there is firm board bottom of framework through steel cable connection, the bottom fixedly connected with cable wire of firm board.

As an optimal implementation manner of the present invention, the beam is an inverted T-shaped beam, the rolling grooves adapted to the rollers are provided on both end surfaces of the beam, and the rollers are inserted into the rolling grooves.

As a preferred embodiment of the utility model, the equal fixed mounting in side has the second pneumatic cylinder around the surface of firm board, the piston rod of second pneumatic cylinder runs through firm board and fixedly connected with rings.

As a preferred embodiment of the utility model, spacing spout has been seted up to the inner wall of longeron, the inner chamber of spacing spout is pegged graft and is had spacing slider, the right side wall of spacing slider and the one end fixed connection of third pneumatic cylinder, the other end of third pneumatic cylinder and the inner wall fixed connection of spacing spout.

As a preferred embodiment of the present invention, the steel cables are uniformly distributed at the edge of the upper surface of the stable plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a bridge crane for box girder lays drives the limit slide through the third pneumatic cylinder and slides in spacing spout to can drive the vertical adjusting position of crossbeam, thereby can make the position control's of box girder prepare more, make falling on the pier that can be accurate.

2. The utility model discloses a bridge crane for box girder laying drives the box girder vertical direction through the second pneumatic cylinder and carries out height-adjusting from beginning to end to make the box girder level, thereby the spacing groove of box girder bottom can accurate card go into on the stopper at strong shield top, thereby make installation convenient and fast more, promoted the efficiency of installation.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of the bridge girder erection machine for laying box girders according to the present invention;

FIG. 2 is a schematic view of the transverse and frame end face structure of the bridge girder erection machine for box girder laying according to the present invention;

FIG. 3 is a schematic view of a stabilizing plate of the bridge girder erection machine for laying box girders according to the present invention;

fig. 4 is the longitudinal beam structure schematic diagram of the bridge girder erection machine for box girder laying of the utility model.

In the figure: 1. a cross beam; 2. a stringer; 3. a first hydraulic cylinder; 4. a frame body; 5. a steel cord; 6. a stabilizing plate; 7. a steel cord; 8. a motor; 9. a roller; 10. a rolling groove; 11. A hydraulic cylinder; 12. a hoisting ring; 13. a limiting chute; 14. a limiting slide block; 15. and a third hydraulic cylinder.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a bridge girder erection machine for box girder laying comprises a cross beam 1 and longitudinal beams 2, wherein the longitudinal beams 2 are connected to two ends of the cross beam 1, and the front side and the rear side of the bottom of each longitudinal beam 2 are fixedly connected with first hydraulic cylinders 3;

the outer wall both sides of crossbeam 1 all overlap and are equipped with framework 4 of crossbeam 1 adaptation, the equal fixed mounting of lateral wall has motor 8 around framework 4, the transmission shaft of motor 8 runs through framework 4 outer wall and fixedly connected with gyro wheel 9, the bottom of framework 4 is connected with firm board 6 through steel cable 5, the bottom fixedly connected with cable wire 7 of firm board 6, please refer to fig. 1 in this embodiment, and is concrete, and cable wire 7 hoists the case roof beam, then moves to the assigned position through the drive of motor 8 to install.

In this embodiment, referring to fig. 2, the beam 1 is an inverted T-shaped beam, rolling grooves 10 adapted to the rollers 9 are formed on both end surfaces of the beam 1, the rollers 9 are inserted into the rolling grooves 10, and specifically, the motor 8 drives the rollers 9 to roll in the rolling grooves 10, so as to realize movement.

Referring to fig. 3 in this embodiment, the front side and the rear side of the surface of the stabilizing plate 6 are both fixedly provided with a second hydraulic cylinder 11, a piston rod of the second hydraulic cylinder 11 penetrates through the stabilizing plate 6 and is fixedly connected with a lifting ring 12, and specifically, the second hydraulic cylinder 11 can drive the box girder to be adjusted to a horizontal state.

In this embodiment, referring to fig. 4, a limiting sliding groove 13 is formed in an inner wall of the longitudinal beam 2, a limiting sliding block 14 is inserted into an inner cavity of the limiting sliding groove 13, a right side wall of the limiting sliding block 14 is fixedly connected with one end of a third hydraulic cylinder 15, the other end of the third hydraulic cylinder 15 is fixedly connected with the inner wall of the limiting sliding groove 13, and specifically, the third hydraulic cylinder 15 can drive a front position and a rear position of a cross beam to be adjusted, so that the front position and the rear position of the box girder are adjusted.

In this embodiment, referring to fig. 1, the steel cables 5 are uniformly distributed at the edge of the upper surface of the stabilizing plate 6.

It should be noted that, the present invention relates to a bridge erecting machine for laying box girders, the structure and principle of which are known by the technical manual or known by the conventional experimental method, in the idle place of the device, all the electric devices, which refer to the power elements, electric devices, adaptive monitoring computers and power supplies, are connected by wires, and the specific connection means refers to the following working principle, in which the electric devices complete the electric connection in sequence, and the detailed connection means is the known technology in the art, and the following main introduces the working principle and process, not describing the electric control, the structure and principle are known by the technical manual or known by the conventional experimental method, during the working, the rollers are driven by the motor 8 to slide in the transverse direction, so as to adjust the distance between the two sets of frames 4 to adapt to box girders with different lengths, then tie up through cable wire 7 and tie up on the case roof beam, tie up another group of cable wire in case roof beam surface correspondence rings 12 department simultaneously, make respectively with four groups rings 12, connect, then carry out the lifting through first pneumatic cylinder 3, then start the motor 8 of two sets of 4 outer walls of framework simultaneously once more and make and drive the case roof beam sideslip, reach the assigned position after, make and drive crossbeam 1 front and back adjusting position through starting third pneumatic cylinder 15, thereby make the case roof beam front and back position control make and aim at the pier, then start four groups of second pneumatic cylinder 11 rings 12 pulling cable wires respectively, thereby make and drive the case roof beam surface and adjust, the difference in height appears around avoiding, make and be in horizontal device attitude, thereby make after the case roof beam descends, the spacing groove of case roof beam bottom can block on the stopper of pier, make the installation accurate, the device simple structure, convenient for the operation, therefore, the clothes hanger.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A bridging machine for box girder laying, includes crossbeam (1) and longeron (2), its characterized in that: both ends of the cross beam (1) are connected with longitudinal beams (2), and the front side and the rear side of the bottom of each longitudinal beam (2) are fixedly connected with first hydraulic cylinders (3);

the outer wall both sides of crossbeam (1) all overlap and are equipped with framework (4) of crossbeam (1) adaptation, the equal fixed mounting of lateral wall has motor (8) around framework (4), the transmission shaft of motor (8) runs through framework (4) outer wall and fixedly connected with gyro wheel (9), the bottom of framework (4) is connected with firm board (6) through steel cable (5), the bottom fixedly connected with cable wire (7) of firm board (6).

2. A bridge girder erection machine for box girder laying according to claim 1, wherein: the beam (1) is an inverted T-shaped beam, rolling grooves (10) matched with the rollers (9) are formed in two end faces of the beam (1), and the rollers (9) are inserted into the rolling grooves (10).

3. A bridge girder erection machine for box girder laying according to claim 1, wherein: the front side and the rear side of the surface of the stabilizing plate (6) are fixedly provided with second hydraulic cylinders (11), and piston rods of the second hydraulic cylinders (11) penetrate through the stabilizing plate (6) and are fixedly connected with lifting rings (12).

4. A bridge girder erection machine for box girder laying according to claim 1, wherein: the inner wall of the longitudinal beam (2) is provided with a limiting sliding groove (13), a limiting sliding block (14) is inserted into an inner cavity of the limiting sliding groove (13), the right side wall of the limiting sliding block (14) is fixedly connected with one end of a third hydraulic cylinder (15), and the other end of the third hydraulic cylinder (15) is fixedly connected with the inner wall of the limiting sliding groove (13).

5. A bridge girder erection machine for box girder laying according to claim 1, wherein: the steel ropes (5) are uniformly distributed at the edge of the upper surface of the stabilizing plate (6).