CN211815609U

CN211815609U - Splicing mechanism for erecting steel box girder

Info

Publication number: CN211815609U
Application number: CN201922477427.1U
Authority: CN
Inventors: 张庆; 张婷婷; 颜斌; 陆志斌; 卢彪
Original assignee: Yangzhou Hongjian Engineering Material Co ltd
Current assignee: Yangzhou Hongjian Engineering Material Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-30
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a splicing mechanism for erecting steel box girders, which comprises a first steel box girder and a second steel box girder, wherein one side of the first steel box girder is contacted and connected with one side of the second steel box girder, one side of the top end of the first steel box girder is provided with a through groove which is alternately connected with a fixed box, the bottom end of the inner wall of the fixed box is rotatably connected with one end of a main shaft, and the bottom of the outer wall of the main shaft is sleeved with a first bevel gear. Meanwhile, the mounting precision of the steel box girder can be improved.

Description

Splicing mechanism for erecting steel box girder

Technical Field

The utility model relates to a splicing mechanism, in particular to steel box girder erects and uses splicing mechanism belongs to the fixed technical field of steel box girder equipment.

Background

Steel box girders, also called steel plate box girders, are common structural forms for large-span bridges. Generally used on bridges with large span. In order to research the influence of the distance between the transverse clapboards on the distortion of the simply supported steel box girder under the action of concentrated load, the simply supported steel box girders with different numbers of transverse clapboards are arranged, the distortion effect and the rigid torsion effect of the simply supported steel box girders under the action of the concentrated load are compared to obtain a curve of the maximum distortion effect changing along with the number of the transverse clapboards, the concentrated load is applied to the top end of a box girder web plate, and the load decomposition method is adopted for calculation according to four working conditions of distortion, rigid torsion, symmetric bending and eccentric load.

In view of the above, chinese patent No. CN209669673U proposes a splicing mechanism for erecting steel box girders,

"steel box girder erects and uses splicing mechanism has easy operation, avoids the concatenation dislocation, improves the advantage of welding and installation accuracy" but in the use, the staff need be under construction to the upper and lower position of steel box girder in proper order, and steel box girder weight is great, has proposed according to CN209669673U that a steel box girder erects and uses splicing mechanism to be under construction then needs external mechanism to assist and just can reach the effect of safe concatenation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel case roof beam erects and uses splicing mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steel box girder erects and uses splicing mechanism, includes first steel box girder and second steel box girder, one side of first steel box girder is connected with one side contact of second steel box girder, logical groove has been seted up to one side on first steel box girder top, it is connected with fixed case interlude to lead to the groove, the bottom of fixed incasement wall is rotated with the one end of main shaft and is connected, the bottom cover of main shaft outer wall is equipped with first bevel gear, first bevel gear and second bevel gear meshing, the fixed one end that sets up at the lead screw of second bevel gear, the lead screw alternates with the inside bearing of bolt post and is connected, and the other end of lead screw passes the inside that the second steel box girder was arranged in to the bolt post, the inside of second steel box girder is arranged in to the lateral wall that the one end of bolt post passed first steel box girder and the lateral wall of second steel box girder, one side of lead screw outer wall is provided with splicing mechanism.

As a preferred technical scheme of the utility model, splicing mechanism establishes two connecting blocks, two in lead screw outer wall one side including the cover the top and the bottom of connecting block all articulate and are equipped with the connecting rod of reinforcing bar, four the one end of connecting rod of reinforcing bar all articulates with one side of two card posts.

As a preferred technical scheme of the utility model, the spout has all been seted up, two to the both sides of second steel box girder inner wall one side of spout inner wall has all been seted up with spacing draw-in groove, two the one end of card post is the fixed spacing fixture block that is equipped with, two spacing draw-in groove is connected with two spacing fixture block blocks respectively.

As an optimized technical scheme of the utility model, the other end of lead screw is fixed and is equipped with the axle fixture block.

As an optimal technical scheme of the utility model, the other end of main shaft passes the bottom fixed connection of fixed case and rotary disk.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a steel box girder erects and uses concatenation mechanism, because the epaxial first bevel gear of main shaft drives the second bevel gear meshing of lead screw one end, consequently can be with power transmission to lead screw in main shaft pivoted, the lead screw is rotatory, can drive the reinforcing bar connecting rod and remove to the both sides of steel box girder inner wall simultaneously, the operation is got up and can be simpler, and don't be under construction in proper order to the bottom and the top of steel box girder in proper order, only need once be under construction can, this structure not only can increase the concatenation efficiency of steel box girder, also can increase the installation accuracy of steel box girder simultaneously.

Drawings

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

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic diagram of a local enlarged structure at a.

In the figure: 1. a first steel box girder; 2. a second steel box girder; 3. a first bevel gear; 4. a latch post; 5. a fixed box; 6. a main shaft; 7. a limiting clamping block; 8. a lead screw; 9. clamping the column; 10. a shaft clamping block; 11. connecting blocks; 12. a steel bar connecting rod; 13. a chute; 14. a limiting clamping groove; 15. rotating the disc; 16. a second bevel gear.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a splicing mechanism for erecting steel box girders, which comprises a first steel box girder 1 and a second steel box girder 2, one side of the first steel box girder 1 is in contact connection with one side of the second steel box girder 2, one side of the top end of the first steel box girder 1 is provided with a through groove, the through groove is in insertion connection with a fixed box 5, the size of the through groove is equal to the size of a chute 13, when a limit block 7 of a block column 9 is in clamping connection with a limit block groove 14, one side of the fixed box 5 is just arranged at one side of the inner wall of the through groove, the bottom end of the inner wall of the fixed box 5 is rotatably connected with one end of a main shaft 6, the other end of the main shaft 6 passes through the fixed box 5 to be fixedly connected with the bottom end of a rotating disc 15, the outer wall of the rotating disc 15 is engraved with anti-skid grains, the static friction force between the hand of a worker and the rotating disc 15 is, the first bevel gear 3 is engaged with the second bevel gear 16, the moduli of the first bevel gear 3 and the second bevel gear 16 are the same, the synchronous rotation of the rest screw 8 of the main shaft 6 can be kept, the second bevel gear 16 is fixedly arranged at one end of the screw 8, the screw 8 is in penetrating connection with a bearing inside the bolt column 4, the other end of the screw 8 penetrates through the bolt column 4 and is arranged inside the second steel box girder 2, one end of the bolt column 4 penetrates through the side wall of the first steel box girder 1 and the side wall of the second steel box girder 2 and is arranged inside the second steel box girder 2, the other end of the screw 8 is fixedly provided with a shaft clamping block 10, when one connecting block 11 is arranged at the tail end of the screw 8, the limiting effect is achieved, one side of the outer wall of the screw 8 is provided with a splicing mechanism, the splicing mechanism comprises two connecting blocks 11 sleeved at one side of the outer wall of the screw 8, the, the one end of four reinforcing bar connecting rods 12 all articulates with one side of two card posts 9, and spout 13 has all been seted up to the both sides of 2 inner walls of second steel box girder, and one side of two spout 13 inner walls all seted up with spacing draw-in groove 14, and the one end of two card posts 9 is all fixed and is equipped with spacing fixture block 7, and two spacing draw-in grooves 14 are connected with two spacing fixture block 7 blocks block respectively.

When specifically using, the utility model relates to a steel box girder erects and uses splicing mechanism, at first with one side of first steel box girder 1 and one side contact of second steel box girder 2, then insert the inside of second steel box girder 2 from first steel box girder 1 with bolt post 4, rotate the rotary disk 15 at 5 tops of fixed case, it rotates to drive main shaft 6, because the meshing of first bevel gear 3 and the second bevel gear 16 of lead screw 8 one end, thereby it rotates to drive lead screw 8, the inside of second steel box girder 2 is arranged in to lead screw 8 one end, and two connecting blocks 11 and lead screw 8 threaded connection, when lead screw 8 clockwise turning, connecting rod 12 is in vertical state, prop two calorie of posts 9 open, from leading to groove department pulling fixed case 5, make spacing fixture block 7 of calorie of post 9 one end be connected with the 14 blocks of spacing draw-in groove of spout 13 inner wall one side.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A splicing mechanism for erecting a steel box girder comprises a first steel box girder (1) and a second steel box girder (2), and is characterized in that one side of the first steel box girder (1) is in contact connection with one side of the second steel box girder (2), a through groove is formed in one side of the top end of the first steel box girder (1), the through groove is in penetrating connection with a fixed box (5), the bottom end of the inner wall of the fixed box (5) is rotatably connected with one end of a main shaft (6), a first bevel gear (3) is sleeved at the bottom of the outer wall of the main shaft (6), the first bevel gear (3) is meshed with a second bevel gear (16), the second bevel gear (16) is fixedly arranged at one end of a lead screw (8), the lead screw (8) is in penetrating connection with a bearing inside a pin column (4), and the other end of the lead screw (8) penetrates through the pin column (4) and is arranged inside the second steel box girder (2), the inside of second steel box roof beam (2) is arranged in to the lateral wall that the lateral wall of first steel box roof beam (1) and second steel box roof beam (2) is passed to the one end of bolt post (4), one side of lead screw (8) outer wall is provided with splicing mechanism, splicing mechanism establishes two connecting blocks (11) in lead screw (8) outer wall one side including the cover, two the top and the bottom of connecting block (11) are all articulated to be equipped with connecting rod (12), four the one end of connecting rod (12) all articulates with one side of two card posts (9).

2. The splicing mechanism for erecting the steel box girder according to claim 1, wherein: spout (13) have all been seted up to the both sides of second steel box girder (2) inner wall, two one side of spout (13) inner wall all seted up with spacing draw-in groove (14), two the one end of card post (9) is all fixed and is equipped with spacing fixture block (7), two spacing draw-in groove (14) are connected with two spacing fixture block (7) blocks block respectively.

3. The splicing mechanism for erecting the steel box girder according to claim 1, wherein: and a shaft clamping block (10) is fixedly arranged at the other end of the screw rod (8).

4. The splicing mechanism for erecting the steel box girder according to claim 1, wherein: the other end of the main shaft (6) penetrates through the fixed box (5) and is fixedly connected with the bottom end of the rotating disc (15).