CN218580492U

CN218580492U - Girder gradient adjusting device of bridge girder erection machine

Info

Publication number: CN218580492U
Application number: CN202222864530.3U
Authority: CN
Inventors: 殷唐丹; 石兵
Original assignee: Jiangsu Gretel Heavy Industry Technology Development Co ltd
Current assignee: Jiangsu Gretel Heavy Industry Technology Development Co ltd
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-03-07
Anticipated expiration: 2032-10-29

Abstract

The utility model relates to a bridge crane technical field discloses a bridge crane girder slope adjusting device, including two bottom sprags, two the pillar that the equal fixedly connected with symmetry of bottom sprag top outer wall set up, four the crossbeam that the pillar top fixedly connected with symmetry set up, two the crossbeam top outside all is provided with the girder, two the spout has all been seted up to crossbeam top outer wall. The utility model discloses start two jacking hydro-cylinders work, coordinate two guide rails, the tip position of two girders is driven in the effect of guide block and mount pad moves upwards, when the tip position of two girders moves upwards, two supporting shoes drive two installation shells and slide in two spouts, make the slope that reaches two girders carry out the effect of adjusting, thereby can independently adapt to the frame roof beam operating mode of various slopes, the operation degree of difficulty and complexity have been reduced, the time limit for a project is shortened, the frame roof beam cost has still been reduced simultaneously, therefore, the hydraulic lifting device is relatively practical, and is suitable for extensive popularization and use.

Description

Girder gradient adjusting device of bridge girder erection machine

Technical Field

The utility model relates to a bridge girder erection machine technical field specifically is a bridge girder erection machine girder slope adjusting device.

Background

The bridge girder erection machine is equipment for placing a prefabricated beam piece on a prefabricated pier, belongs to the category of cranes, and has the main function of lifting the beam piece, conveying the beam piece to a position and putting down the beam piece.

In the process of erection, the bridge girder erection machine needs to meet the requirement of the gradient of a railway line, sometimes the longitudinal gradient of the railway line is very large, and the bridge girder erection machine needs to adjust the gradient of a main girder within a safety range so as to finish girder erection. If present bridge girder erection machine will adjust the slope, often adopt to increase the festival section at bridge girder erection machine front truck adjustment, or adjust on the landing leg and increase the adjustment that the festival section etc. realized the girder slope, nevertheless will realize through increasing festival section adjustment slope, need carry bridge girder erection machine to ground and carry out the dismouting, because bridge girder erection machine is large-scale machinery, every part weight is all very big, it is fairly complicated to operate like this messenger whole process, work load increases greatly, it is very unfavorable to the frame roof beam time limit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge crane girder slope adjusting device has solved the comparatively complicated problem of the process of the bridge crane slope adjustment that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a girder gradient adjusting device of a bridge girder erection machine comprises two bottom supports, wherein the outer walls of the tops of the two bottom supports are fixedly connected with symmetrically arranged pillars, the tops of the four pillars are fixedly connected with symmetrically arranged cross beams, the outer sides of the tops of the two cross beams are provided with girders, the outer walls of the tops of the two cross beams are provided with sliding grooves, the inner walls of the two sliding grooves are slidably connected with supporting blocks, the outer walls of the tops of the two supporting blocks are fixedly connected with installation shells, and jacking oil cylinders are fixedly arranged on the inner sides of the two installation shells;

two equal fixedly connected with guide rail of girder bottom outer wall, two equal sliding connection of guide rail inner wall has a guide block, two the equal fixedly connected with mount pad of guide block bottom outer wall, two jacking cylinder's piston rod is connected respectively on two mount pad bottom outer walls.

As an embodiment of the present invention, two the through-holes have all been opened at the top of the mounting housing, two the piston rod of the jacking cylinder is located inside two through-holes respectively.

As an embodiment of the utility model, two the equal fixedly connected with support of crossbeam top outer wall, two the rectangle activity groove has all been seted up at the support top, two the equal sliding connection of rectangle activity inslot wall has the seat that goes up and down.

As an embodiment of the utility model, two the fixed plate that the equal fixedly connected with symmetry of girder bottom outer wall set up, two the relative one side of two fixed plates of girder bottom all rotates and is connected with dwang, two the seat top that goes up and down is fixed connection respectively on two dwang middle part outer walls.

As an embodiment of the present invention, two the locating hole that runs through the setting is all seted up on the support, two the spacing hole that the equidistance distributes is all seted up on the lift seat, the aperture in spacing hole is the same with the aperture of locating hole.

As an embodiment of the utility model, two the standing groove has all been seted up to crossbeam top outer wall, and two standing groove inboards all are provided with positioning screw, two positioning screw respectively with two positioning hole looks adaptations, two positioning screw respectively with two spacing hole looks adaptations on the seat that goes up and down.

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

the utility model relates to a bridge crane girder slope adjusting device, at first start two jacking cylinder work, coordinate two guide rails, the tip position of guide block and mount pad's effect drive two girders moves upwards, when the tip position of two girders moves upwards, two supporting shoes drive two installation shell and slide in two spouts, make to reach the slope to two girders and carry out the effect of adjusting, thereby can independently adapt to the frame roof beam operating mode of various slopes, operation degree of difficulty and complexity have been reduced, the time limit for a project has been shortened, the frame roof beam cost has still been reduced simultaneously, meanwhile, through two supports and two lift seats that set up, can play the effect of stabilizing the support to two girders, then with two positioning screw spiro union on locating hole and spacing hole, can reach the location effect to two lift seats after the slope of two girders is adjusted and is accomplished.

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 perspective view of a main beam gradient adjusting device of a bridge girder erection machine of the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a support of the main beam gradient adjusting device of the bridge girder erection machine of the present invention;

fig. 3 is the utility model discloses a girder bottom structure schematic diagram of bridge girder machine girder slope adjusting device.

In the figure: 1. a bottom bracket; 2. a pillar; 3. a cross beam; 4. a main beam; 5. a support; 6. a lifting seat; 7. a chute; 8. a support block; 9. installing a shell; 10. a jacking oil cylinder; 11. positioning holes; 12. positioning a screw rod; 13. a fixing plate; 14. rotating the rod; 15. a rectangular movable slot; 16. a limiting hole; 17. a guide rail; 18. a guide block; 19. and (7) mounting a seat.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a girder gradient adjusting device of a bridge girder erection machine comprises two bottom supports 1, the top outer walls of the two bottom supports 1 are fixedly connected with symmetrically arranged pillars 2, the tops of four pillars 2 are fixedly connected with symmetrically arranged crossbeams 3, the outer sides of the tops of the two crossbeams 3 are provided with girders 4, the top outer walls of the two crossbeams 3 are provided with chutes 7, the inner walls of the two chutes 7 are slidably connected with supporting blocks 8, the top outer walls of the two supporting blocks 8 are fixedly connected with installation shells 9, the inner sides of the two installation shells 9 are fixedly provided with jacking oil cylinders 10, the tops of the two installation shells 9 are provided with through holes, piston rods of the two jacking oil cylinders 10 are respectively positioned at the inner sides of the two through holes, the two jacking oil cylinders 10 are started to work, the end positions of the two girders 4 are driven to move upwards under the action of matching with two guide rails 17, guide blocks 18 and installation seats 19, when the end positions of the two girders 4 move upwards, the two supporting blocks 8 drive the two installation shells 9 to slide in the two chutes 7, so that the gradient adjusting effect of the two girders 4 is achieved;

the equal fixedly connected with guide rail 17 of two girder 4 bottom outer walls, the equal sliding connection of two guide rail 17 inner walls has guide block 18, the equal fixedly connected with mount pad 19 of two guide block 18 bottom outer walls, and the piston rod of two jacking cylinder 10 is connected respectively on two mount pad 19 bottom outer walls.

Referring to fig. 1-3, in a specific embodiment, the top outer walls of the two beams 3 are fixedly connected with the supporting seats 5, the top of each of the two supporting seats 5 is provided with a rectangular movable groove 15, the inner walls of the two rectangular movable grooves 15 are slidably connected with the lifting seats 6, and the two beams 4 can be stably supported, the bottom outer walls of the two beams 4 are fixedly connected with the fixing plates 13 symmetrically arranged, the opposite sides of the two fixing plates 13 at the bottom of the two beams 4 are rotatably connected with the rotating rods 14, the top ends of the two lifting seats 6 are respectively and fixedly connected to the middle outer walls of the two rotating rods 14, the two supporting seats 5 are respectively provided with the positioning holes 11 penetrating through the positioning holes, the two lifting seats 6 are respectively provided with the limiting holes 16 distributed at equal intervals, the diameters of the limiting holes 16 are the same as those of the positioning holes 11, the top outer walls of the two beams 3 are respectively provided with the positioning grooves, the two positioning screws 12 are respectively arranged inside the two positioning grooves, the two positioning screws 12 are respectively adapted to the two positioning holes 11, the two positioning screws 12 are respectively adapted to the limiting holes 16 on the two lifting seats 6, the two positioning screws 12 are respectively screwed to the positioning holes 11 and the limiting holes 16, and the two positioning effect of the two lifting seats 6 can be achieved after the gradient adjustment of the two beams 4.

It should be noted that the utility model relates to a bridge crane girder slope adjusting device, each is the part that general standard spare or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

The working principle is as follows: at first, start two jacking cylinder 10 work, cooperate two guide rails 17, the tip position upward movement of two girders 4 is driven in the effect of guide block 18 and mount pad 19, when the tip position upward movement of two girders 4, two supporting shoes 8 drive two installation shell 9 and slide in two spouts 7, make the slope that reaches two girders 4 adjust the effect, thereby can independently adapt to the frame roof beam operating mode of various slopes, meanwhile, through two supports 5 and two lifting seats 6 that set up, can play the effect of stabilizing the support to two girders 4, then with two positioning screw 12 spiro union on locating hole 11 and spacing hole 16, can reach the location effect to two lifting seats 6 after the slope regulation of two girders 4 is accomplished.

Claims

1. The utility model provides a bridge crane girder slope adjusting device which characterized in that: the lifting device comprises two bottom supports (1), wherein the outer walls of the tops of the two bottom supports (1) are fixedly connected with symmetrically arranged pillars (2), the tops of the four pillars (2) are fixedly connected with symmetrically arranged crossbeams (3), the outer sides of the tops of the two crossbeams (3) are respectively provided with a main beam (4), the outer walls of the tops of the two crossbeams (3) are respectively provided with a chute (7), the inner walls of the two chutes (7) are respectively and slidably connected with a supporting block (8), the outer walls of the tops of the two supporting blocks (8) are respectively and fixedly connected with a mounting shell (9), and the inner sides of the two mounting shells (9) are respectively and fixedly provided with a lifting oil cylinder (10);

two equal fixedly connected with guide rail (17) of girder (4) bottom outer wall, two equal sliding connection has guide block (18), two of guide block (17) inner wall equal fixedly connected with mount pad (19), two of guide block (18) bottom outer wall the piston rod of jacking cylinder (10) is connected respectively on two mount pads (19) bottom outer wall.

2. The device of claim 1, wherein: through holes are formed in the tops of the two installation shells (9), and piston rods of the two jacking oil cylinders (10) are located on the inner sides of the two through holes respectively.

3. The device of claim 1, wherein: two equal fixedly connected with support (5) of crossbeam (3) top outer wall, two rectangle activity groove (15), two have all been seted up at support (5) top equal sliding connection in rectangle activity groove (15) inner wall has lift seat (6).

4. The device of claim 3, wherein: two fixed plate (13), two that the equal fixedly connected with symmetry of girder (4) bottom outer wall set up the relative one side of two fixed plate (13) of girder (4) bottom all rotates and is connected with dwang (14), two lifting seat (6) top difference fixed connection is on two dwang (14) middle part outer walls.

5. The device of claim 4, wherein: two all set up locating hole (11) that run through the setting on support (5), two all set up spacing hole (16) that the equidistance distributes on lift seat (6), the aperture of spacing hole (16) is the same with the aperture of locating hole (11).

6. The device of claim 5, wherein: the outer wall of the top of the two cross beams (3) is provided with placing grooves, positioning screws (12) are arranged on the inner sides of the two placing grooves, the two positioning screws (12) are respectively matched with the two positioning holes (11), and the two positioning screws (12) are respectively matched with the limiting holes (16) in the two lifting seats (6).