CN214613627U

CN214613627U - Assembling and positioning device for assembled steel box girder

Info

Publication number: CN214613627U
Application number: CN202120219613.XU
Authority: CN
Inventors: 李士林; 李慧能; 刘顺
Original assignee: Third Engineering Co Ltd Of Cccc Third Highway Engineering Co ltd
Current assignee: Third Engineering Co Ltd Of Cccc Third Highway Engineering Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-11-05
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a assemble positioner for assembled steel case roof beam relates to steel case roof beam construction and equips the field, drags long unstable factor such as suffer to blow and rock to current steel case roof beam at the in-process cable wire of hoisting, and steel case roof beam weight is huge, and the jack-up process is difficult, influences the problem of the work efficiency that the steel case roof beam was assembled in half aerial completion, now proposes following scheme, and it includes that two are mutual symmetric distribution's ground stake, two equal fixed mounting has the spandrel post that is vertical setting on the ground stake, two the top fixed mounting of spandrel post has the spandrel beam, and the both sides of spandrel beam respectively with two be connected with the reciprocal lead screw that is vertical setting between the ground stake, two reciprocal lead screw all is located two one side that the spandrel post is close to each other. The utility model discloses novel structure, and the device not only can realize the purpose of hoisting to the steel case roof beam, ensures that the steel case roof beam accomplishes the work of assembling in the midair, can also utilize the hoist to move from bottom to top.

Description

Assembling and positioning device for assembled steel box girder

Technical Field

The utility model relates to a steel case roof beam construction equips the field, especially relates to a assemble positioner for assembled steel case roof beam.

Background

With the continuous development of bridge technology and the continuous increase of bridge span, the current assembly type bridge is generally formed by splicing steel box girders, and the steel box girders are preferred as a large-span cable-stayed bridge due to environmental protection, good economical efficiency, light weight and good stress performance.

In real life, the steel box girder is generally lifted in a cantilever manner and the like to be assembled in the air, the steel cable is put down from a high place and then taken back, and the steel cable is easily subjected to unstable factors such as wind blowing and shaking, so that potential safety hazards exist, the weight of the steel box girder is large, the lifting process is difficult, the working efficiency of assembling the steel box girder in the air is influenced, and therefore, in order to solve the problems, the assembling positioning device for the assembled steel box girder is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a assemble positioner for assembled steel case roof beam has solved the steel case roof beam and has dragged long unstable factor such as suffer to blow easily at the in-process cable wire of hoisting, has the potential safety hazard, and steel case roof beam weight is huge, and the jack-up process is difficult, influences the problem of the work efficiency that the steel case roof beam was assembled at the half aerial completion.

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

the utility model provides an assemble positioner for assembled steel case roof beam, includes two ground piles that are mutual symmetric distribution, two equal fixed mounting has the heel post that is vertical setting on the ground pile, two the top fixed mounting of heel post has the heel beam, and the both sides of heel beam respectively with two be connected with the reciprocal lead screw that is vertical setting between the ground pile, two reciprocal lead screw all is located two one side that the heel post is close to each other, and lie in and be equipped with hoisting apparatus between reciprocal lead screw and the heel post with one side, hoisting apparatus includes slider, first connecting axle, hangs the ware, balancer and second connecting axle, fixed cover is equipped with on the circumference lateral wall of reciprocal lead screw and hangs the ware, two hang one side fixed mounting that the ware was kept away from each other and have the slider, and the slider is kept away from the one end that hangs the ware and runs through and extend to the inside of heel post, the slider lies in one side of heel post inside and the slider lies in one side of heel post outside and all rotates and installs and install and hang Be vertical setting and mutual symmetric distribution's first connecting axle, and two the equal fixed mounting in both ends of first connecting axle has first drive wheel, the slider is located the inside one end fixed mounting of heel post has the equalizer, and the camera obscura has all been seted up to the both sides of equalizer, and the inside rotation of camera obscura installs the second connecting axle that is horizontal setting, and fixed cover is equipped with the second drive wheel on the circumference lateral wall of second connecting axle, the inside of spandrel girder is equipped with transmission.

Preferably, the heel post is vertical perpendicular to spandrel girder, and spandrel girder and two the ground stake is the distribution of intercarallel form, the center pin of spandrel girder and two the holistic center pin of ground stake is the collineation setting.

Preferably, the two ends of the reciprocating screw rod are respectively rotatably arranged at one side where the bearing beam and the ground pile are close to each other, and the balancer is sleeved in the bearing column in a sliding mode.

Preferably, two one side of first connecting axle and heel post width is parallel arrangement, and two first connecting axle all is located one side that hangs that the ware is close to each other with the equalizer, and the inner wall setting all around of the heel post is all laminated to the epaxial second drive wheel of first connecting and the second of second connecting, two of the axis perpendicular to of first connecting axle is two the axis of second connecting axle.

Preferably, transmission includes mount pad, motor, guide pulley, gear and conveyer belt, fixed mounting has the mount pad between one side that the heel post was kept away from each other and the spandrel girder, and the inside of mount pad is equipped with the motor, the output shaft of motor upwards runs through and extends to the inside of spandrel girder, and fixed mounting has the guide pulley, the top of reciprocal lead screw runs through and extends to inside and fixed mounting of spandrel girder and is the gear of horizontal setting, and is connected with the conveyer belt on gear and the guide pulley.

Preferably, the conveyer belt is located the inside of spandrel girder and rotates on the circumference lateral wall that the cover established guide pulley and gear, two one side fixed mounting that the ware was kept away from each other is hung has rings, two one side that the spandrel column is close to each other all sets up the body of rod assorted spout with the slider.

The utility model has the advantages that:

1. through setting up hoisting apparatus, can realize the purpose of hoisting to the steel box girder, promote to accomplish the work of assembling in the half sky to the steel box girder in bridge construction.

2. Through setting up the transfer from bottom to top of lifting ware and balancer, can play the better effect of stability, avoid because of hanging the in-process rope cable wire too long, take place the emergence of unstable factors such as the wind-blown rocks easily at the in-process of packing up the cable wire.

3. Through set up first drive wheel and second drive wheel laminating heel post on the slider, can play the effect that reduces friction at the in-process that the steel box girder hung, improve work efficiency.

In conclusion, the device not only can realize the purpose of hoisting the steel box girder and ensure that the steel box girder completes the assembly work in the air, but also can utilize the hoisting motion of the hoisting device from bottom to top, shorten the length of the hoisting steel cable, reduce the probability of the occurrence of unstable factors, has higher safety performance, can reduce the friction force on the bearing column, and plays the roles of facilitating the hoisting and improving the working efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the hoisting device of the present invention;

fig. 3 is a schematic view of the installation of the transmission device of the present invention.

Reference numbers in the figures: 1. piling; 2. a load-bearing column; 3. a reciprocating screw rod; 4. a slider; 5. a first connecting shaft; 6. a hoist; 7. a balancer; 8. a second connecting shaft; 9. a mounting seat; 10. a motor; 11. a guide wheel; 12. a gear; 13. a conveyor belt; 14. a spandrel girder; 15. a lifting ring.

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.

Referring to fig. 1-3, an assemble positioner for assembled steel case roof beam, including two ground piles 1 that are mutual symmetric distribution, equal fixed mounting has the spandrel post 2 that is vertical setting on two ground piles 1, the top fixed mounting of two spandrel posts 2 has spandrel girder 14, and the both sides of spandrel girder 14 respectively with be connected with the reciprocal lead screw 3 that is vertical setting between two ground piles 1, two reciprocal lead screws 3 all are located two spandrel posts 2 one side that is close to each other, the vertical perpendicular to spandrel girder 14 of spandrel post 2, and spandrel girder 14 is the form distribution of keeping in parallel with two ground piles 1 each other, the center pin of spandrel girder 14 is the collineatly setting with the holistic center pin of two ground piles 1, can play the effect of supporting.

And a hoisting device is arranged between the reciprocating screw rod 3 and the bearing column 2 which are positioned on the same side, the hoisting device comprises a slide block 4, a first connecting shaft 5, a hoisting device 6, a balancer 7 and a second connecting shaft 8, the hoisting device 6 is fixedly sleeved on the circumferential side wall of the reciprocating screw rod 3, the slide block 4 is fixedly arranged on the side, away from each other, of the two hoisting devices 6, one end, away from the hoisting device 6, of the slide block 4 penetrates through and extends into the bearing column 2, the first connecting shafts 5 which are longitudinally arranged and symmetrically distributed with each other are rotatably arranged on the side, away from the hoisting device 6, of the slide block 4, positioned inside the bearing column 2, of the slide block 4, the balancer 7 is fixedly arranged at one end, away from the inside of the bearing column 2, the two sides of the balancer 7 are respectively provided with a blind groove, and the second connecting shaft 8 which is transversely arranged is rotatably arranged inside the blind groove, and fixed cover is equipped with the second drive wheel on the circumference lateral wall of second connecting axle 8, two first connecting axles 5 are parallel arrangement with one side of heel post 2 width, and two first connecting axles 5 all are located and hang the ware 6 and the balancer 7 one side that is close to each other, and the first drive wheel on the first connecting axle 5 and the second drive wheel on the second connecting axle 8 all laminate the inner wall setting all around of heel post 2, the axis of two first connecting axles 5 is perpendicular to the axis of two second connecting axles 8, the both ends of reciprocal lead screw 3 rotate the installation respectively and are located the heel beam 14 and the ground stake 1 one side that is close to each other, the inside slip cover of heel post 2 establishes balancer 7, can play the effect of more safe firm.

A transmission device is arranged inside the bearing beam 14, the transmission device comprises a mounting seat 9, a motor 10, a guide wheel 11, a gear 12 and a conveyor belt 13, the mounting seat 9 is fixedly mounted between one side, away from each other, of the bearing columns 2 and the bearing beam 14, the motor 10 is arranged inside the mounting seat 9, an output shaft of the motor 10 upwards penetrates and extends into the bearing beam 14, the guide wheel 11 is fixedly mounted, the top end of the reciprocating screw rod 3 penetrates and extends into the bearing beam 14, the transverse gear 12 is fixedly mounted in the bearing beam 14, the conveyor belt 13 is connected onto the gear 12 and the guide wheel 11, the conveyor belt 13 is positioned inside the bearing beam 14 and rotatably sleeved on the circumferential side walls of the guide wheel 11 and the gear 12, a hanging ring 15 is fixedly mounted on one side, away from each other, of the two hanging rings 2, close to each other, a sliding groove matched with the rod body of the sliding block 4 is formed in one side, of the two hanging rings 2, the two hanging rings are fixedly mounted on the sides, close to each other, the sliding grooves are respectively, the purpose of hoisting the steel box girder can be realized.

The working principle is as follows: when the device is used, firstly, the ground piles 1 are placed on a road section where the steel box girder needs to be assembled, then the steel box girder needs to be assembled is lifted and positioned by the hoisting device, the steel box girder is placed between the two symmetrically distributed ground piles 1, the lifting rings 15 on the lifting device 6 are connected with the two sides of the steel box girder through steel cables, then the motor 10 inside the mounting seat 9 is started, the output shaft of the motor 10 drives the guide wheel 11 to rotate, the conveying belt 13 on the guide wheel 11 drives the gear 12 to rotate, the gear 12 drives the reciprocating screw rod 3, the lifting device 6 is enabled to move upwards on the circumferential side wall of the reciprocating screw rod 3, the first driving wheel on the first connecting shaft 5 on the sliding block 4 is attached to one side, close to the bearing column 2, the balancer 7 slides upwards inside the bearing column 2, the second driving wheel on the second connecting shaft 8 rolls, resistance can be reduced in the lifting process of the steel box girder, and work can be completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An assembling and positioning device for assembled steel box girders comprises two ground piles (1) which are symmetrically distributed with each other, and is characterized in that two load-bearing columns (2) which are longitudinally arranged are fixedly arranged on the two ground piles (1), the top ends of the two load-bearing columns (2) are fixedly provided with load-bearing beams (14), two sides of each load-bearing beam (14) are respectively connected with two reciprocating lead screws (3) which are longitudinally arranged between the two ground piles (1), the two reciprocating lead screws (3) are respectively positioned at one side where the two load-bearing columns (2) are close to each other, a hoisting device is arranged between the reciprocating lead screws (3) and the load-bearing columns (2) which are positioned at the same side, the hoisting device comprises a sliding block (4), a first connecting shaft (5), a hoisting device (6), a balancer (7) and a second connecting shaft (8), the hoisting device (6) is fixedly sleeved on the circumferential side wall of the reciprocating lead screws (3), two one sides that hang the ware (6) and keep away from each other are fixed mounting have slider (4), and slider (4) keep away from hang the inside that the one end of ware (6) run through and extend to heel post (2), slider (4) are located the inside one side of heel post (2) and slider (4) are located the outside one side of heel post (2) and all rotate and install first connecting axle (5) that are vertical setting and mutual symmetric distribution, and the both ends of two first connecting axle (5) all fixed mounting have first drive wheel, the slider (4) are located the inside one end fixed mounting of heel post (2) have balancer (7), and the both sides of balancer (7) all seted up the hidden groove, and the inside rotation of hidden groove installs second connecting axle (8) that are horizontal setting, and the fixed cover of second on the circumference lateral wall of second connecting axle (8) is equipped with the second drive wheel, and a transmission device is arranged in the bearing beam (14).

2. The assembling and positioning device for the assembled steel box girder according to claim 1, wherein the bearing column (2) is vertical to the bearing beam (14) in the longitudinal direction, the bearing beam (14) and the two ground piles (1) are distributed in parallel, and the central axis of the bearing beam (14) and the central axis of the two ground piles (1) are arranged in a collinear manner.

3. The assembling and positioning device for the assembled steel box girder according to claim 1, wherein two ends of the reciprocating screw rod (3) are respectively and rotatably installed at one side of the bearing beam (14) and the ground pile (1) close to each other, and the balancer (7) is slidably sleeved in the bearing column (2).

4. The assembling and positioning device for the assembled steel box girder according to claim 1, wherein the two first connecting shafts (5) are arranged in parallel with one side of the width of the bearing column (2), the two first connecting shafts (5) are arranged on one side of the lifting device (6) close to the balancer (7), the first driving wheels on the first connecting shafts (5) and the second driving wheels on the second connecting shafts (8) are arranged in a manner of being attached to the peripheral inner wall of the bearing column (2), and the central axes of the two first connecting shafts (5) are perpendicular to the central axes of the two second connecting shafts (8).

5. The assembling and positioning device for the assembled steel box girder according to claim 1, wherein the transmission device comprises a mounting seat (9), a motor (10), a guide wheel (11), a gear (12) and a conveyor belt (13), the mounting seat (9) is fixedly mounted between one side, away from each other, of the bearing column (2) and the bearing beam (14), the motor (10) is arranged inside the mounting seat (9), an output shaft of the motor (10) upwards penetrates through and extends to the inside of the bearing beam (14), the guide wheel (11) is fixedly mounted, the top end of the reciprocating screw rod (3) penetrates through and extends to the inside of the bearing beam (14), the gear (12) is transversely arranged and is fixedly mounted with the gear (12), and the conveyor belt (13) is connected to the gear (12) and the guide wheel (11).

6. The assembling and positioning device for the assembled steel box girder according to claim 5, wherein the conveyor belt (13) is positioned inside the bearing beam (14) and rotatably sleeved on the circumferential side wall of the guide wheel (11) and the gear (12), one side of the two lifting devices (6) far away from each other is fixedly provided with a lifting ring (15), and one side of the two bearing columns (2) close to each other is provided with a sliding groove matched with the rod body of the sliding block (4).