CN217839728U - Steel truss ground pre-assembly platform - Google Patents

Abstract

The utility model relates to a steel longeron ground is assembly platform in advance, it includes the support frame and installs in two slide roof beams at support frame top, two the slide roof beam parallels and extends along the direction that the steel longeron need remove, up open-ended spout has been seted up to the slide roof beam, laid the stainless steel backing plate in the spout, the stainless steel backing plate is worn to be equipped with a plurality of reinforcement bolts, it extends along spout width direction to consolidate the bolt, a plurality of connecting holes have been seted up to spout both sides wall, the connecting hole on the wall of spout both sides is worn to locate respectively at the both ends of consolidating the bolt. This application has the effect that improves the steadiness that the steel truss slided.

Description

Steel truss ground pre-assembly platform

Technical Field

The application relates to the field of steel truss girder assembling technology, in particular to a steel truss girder ground pre-assembling platform.

Background

At present, when the steel truss girder is constructed, the steel truss girder and the guide girder are generally assembled on an assembling platform, then the steel truss girder and the guide girder are integrally dragged through a dragging mechanism, so that the steel truss girder and the guide girder are erected on a subsequent bridge pier, then the guide girder is dismantled, and girder falling construction is carried out on the steel truss girder.

Generally, the splicing platform comprises a steel support and two slide rails arranged at the top of the steel support, the two slide rails are parallel to each other and extend along the direction in which the steel truss needs to move, a slide groove with an upward opening is formed in each slide rail, and the slide groove extends along the length direction of each slide rail. Meanwhile, when the steel trussed beam is assembled, a plurality of sliding blocks can be installed at the bottom of the steel trussed beam, and the sliding blocks are clamped in sliding grooves of the slideway beam, so that when the steel trussed beam is dragged to move, the sliding blocks can move in the sliding grooves.

At the moment, in order to reduce the relative resistance between the sliding block and the bottom surface of the sliding groove, a stainless steel base plate with a relatively smooth upper end surface is laid in the sliding groove, and the sliding block abuts against the upper end surface of the stainless steel base plate, so that the friction resistance received when the sliding block slides is relatively small, and the steel truss is convenient to drag.

However, in the moving process of the steel truss, the relative resistance between the steel truss and the stainless steel backing plate needs to be overcome by the connecting part between the stainless steel backing plate and the slideway beam, so that the installation stability of the stainless steel backing plate is easily affected, the sliding stability of the steel truss is affected, and the sliding stability of the steel truss is improved.

SUMMERY OF THE UTILITY MODEL

In order to improve the steadiness that the steel truss slided, this application provides a steel truss ground is assembly platform in advance.

The application provides a steel longeron ground is assembly platform in advance adopts following technical scheme:

the utility model provides a platform is assembled in advance on steel longeron ground, includes the support frame and installs in two slide roof beams at the support frame top, two the slide roof beam parallels and extends along the direction that steel longeron needs to remove, open-ended spout up has been seted up to the slide roof beam, laid the stainless steel backing plate in the spout, the stainless steel backing plate is worn to be equipped with a plurality of reinforcing bolts, reinforcing bolt extends along spout width direction, a plurality of connecting holes have been seted up to spout both sides wall, the connecting hole of locating on spout both sides wall is worn to locate respectively at the both ends of reinforcing bolt.

Through adopting above-mentioned technical scheme, during the installation, lay stainless steel backing plate inside the spout, will consolidate the bolt afterwards and wear to locate connecting hole and stainless steel backing plate on the spout both sides wall to do the reinforcement to the installation of stainless steel backing plate, increase the steadiness that stainless steel backing plate used, and then improve the steadiness of slider and steel truss when sliding on stainless steel backing plate.

Optionally, the connecting hole sets up to rectangular hole and extends along spout length direction, the connecting hole is provided with the fixed column along length direction's one end, fixed column fixed connection just is located the spout outside in the slide roof beam, the fixed column is provided with the telescopic link, the connection can be dismantled respectively in reinforcement bolt tip and fixed column in the both ends of telescopic link.

Through adopting the above-mentioned technical scheme, during the installation, set up the connecting hole into rectangular form and make the in-process of consolidating the bolt wearing to establish stainless steel backing plate, be convenient for consolidate the bolt and get into in the connecting hole, reduce the possibility that receives the influence of installation accuracy, afterwards, connect the telescopic link both ends respectively in the fixed column and consolidate the bolt tip, thereby lock in the position with consolidating the bolt, thereby when doing the reinforcement to the installation of stainless steel backing plate, be convenient for consolidate the installation of bolt, and can be according to actual fixed column and the interval between the reinforcement bolt, do the regulation to the length of telescopic link, thereby be convenient for telescopic link and consolidate the fixed of bolt, further increase carries out reinforced (rfd) convenience to stainless steel backing plate.

Optionally, both ends of the telescopic rod are fixedly connected with lantern rings, and the lantern rings are sleeved on the end portion of the reinforcing bolt or the fixing column.

Through adopting above-mentioned technical scheme, during the telescopic link installation, fix a reinforcement bolt tip or fixed column with the lantern ring cover to lock the reinforcement bolt.

Optionally, the end of the reinforcing bolt and the fixing column are in threaded connection with a clamping nut, and the clamping nut abuts against one side, away from the side wall of the sliding chute, of the lantern ring.

Through adopting above-mentioned technical scheme, the clamping nut who sets up can increase the steadiness behind the lantern ring installation, reduces the telescopic link from the possibility of consolidating bolt tip or fixed column and droing, and then increases the steadiness of consolidating the bolt installation.

Optionally, the telescopic link includes first connecting rod, second connecting rod and adjusting nut, adjusting nut rotates to be connected in first connecting rod, adjusting nut threaded connection is in the second connecting rod, it is same two lantern rings on the telescopic link correspond fixed connection in first connecting rod and second connecting rod one-to-one respectively.

Through adopting above-mentioned technical scheme, during the installation, rotate adjusting nut and can control first connecting rod and second connecting rod and slide each other to adjust the whole length of telescopic link, and then be convenient for install.

Optionally, a plurality of top pushing hydraulic cylinders are installed on the two slide beams, the top pushing hydraulic cylinders are transversely arranged and located on the side of the steel truss, and the movable ends of the top pushing hydraulic cylinders are arranged towards the steel truss and used for being abutted to the steel truss.

Through adopting above-mentioned technical scheme, during the use, the steel truss is at the in-process that slides, if the steel truss extending direction deflection appears, can move the top and push away the pneumatic cylinder and rectify the steel truss this moment to the steadiness when further guaranteeing the steel truss to slide.

Optionally, the sliding beam is fixedly connected with a mounting plate for fixing the pushing hydraulic cylinder, and a reinforcing rib plate is arranged below the mounting plate and is simultaneously and fixedly connected to the sliding beam and the mounting plate.

Through adopting above-mentioned technical scheme, when the top pushes away the pneumatic cylinder installation, only need be fixed in the mounting panel with it for it is comparatively convenient when the installation of top pushes away the pneumatic cylinder, and, when the top pushes away the pneumatic cylinder and uses, the reinforcing floor can be done the reinforcement to the mounting panel, thereby increases the ability that the mounting panel bore load, and then guarantees the steadiness when the top pushes away the pneumatic cylinder and uses.

Optionally, the mounting plate is fixedly connected with a butt plate, and the butt plate is abutted to one side of the cylinder body deviating from the steel truss in the pushing hydraulic cylinder.

Through adopting above-mentioned technical scheme, the butt board has the supporting role to the top pushes away the pneumatic cylinder for the top pushes away the pneumatic cylinder when the butt steel truss, reduces the load that the connecting portion bore between top pushes away pneumatic cylinder and the mounting panel, and then increases the steadiness that the top pushes away the pneumatic cylinder and use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the stainless steel tie plate is installed, the reinforcing bolt can reinforce the installation of the stainless steel tie plate, so that the use stability of the stainless steel tie plate is improved, and the stability of the sliding block and the steel truss in sliding on the stainless steel tie plate is further improved;

2. during the use, the steel truss is in the in-process that slides, if the steel truss extending direction deflection appears, can move the top and push away the pneumatic cylinder and rectify a deviation to the steel truss this moment to the steadiness when further guaranteeing the steel truss to slide.

Drawings

FIG. 1 is a schematic view of an installation structure of an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B of fig. 1.

Description of reference numerals: 1. a support frame; 2. a slideway beam; 21. a chute; 211. connecting holes; 212. fixing a column; 3. a stainless steel backing plate; 4. reinforcing the bolt; 5. a telescopic rod; 51. a first link; 52. a second link; 53. adjusting the nut; 6. a collar; 61. clamping the nut; 7. a pushing hydraulic cylinder; 71. mounting a plate; 72. a reinforcing rib plate; 73. abutting against the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses steel longeron ground is assembly platform in advance. Referring to fig. 1 and 2, the steel truss ground pre-assembled platform comprises a support frame 1 and two slideway beams 2 installed at the top of the support frame 1, wherein the two slideway beams 2 are parallel and extend along the direction in which the steel truss needs to move. The slide rail beam 2 is provided with a slide groove 21 with an upward opening, and the slide groove 21 extends along the length direction of the slide rail beam 2. A stainless steel backing plate 3 is laid in the sliding groove 21, and a plurality of reinforcing bolts 4 penetrate through the stainless steel backing plate 3 and extend along the width direction of the sliding groove 21. A plurality of connecting holes 211 are formed on two side walls of the sliding groove 21, and two ends of the reinforcing bolt 4 are respectively inserted into the connecting holes 211 on the two side walls of the sliding groove 21.

During the installation, lay stainless steel backing plate 3 inside spout 21, will consolidate bolt 4 afterwards and wear to locate connecting hole 211 and stainless steel backing plate 3 on the both sides wall of spout 21 to do the reinforcement to stainless steel backing plate 3's installation, increase the steadiness that stainless steel backing plate 3 used, and then improve the steadiness of slider and steel truss when sliding on stainless steel backing plate 3.

Referring to fig. 2, in this case, in order to reduce the influence of the installation accuracy when the reinforcing plug 4 is installed, the reinforcing plug 4 is not likely to be inserted into the connecting hole 211 and the stainless steel backing plate 3 at the same time. The connection hole 211 is formed in an elongated shape and extends in the longitudinal direction of the slide groove 21. Connecting hole 211 is provided with fixed column 212 along length direction's one end, and fixed column 212 fixed connection is in slide roof beam 2, and extends along the spout 21 outside. The fixed column 212 is provided with a telescopic rod 5, two ends of the telescopic rod 5 are fixedly connected with lantern rings 6, and the two lantern rings 6 are respectively sleeved on the fixed column 212 and the end part of the reinforcing bolt 4.

Referring to fig. 2, the reinforcing latch 4 and the fixing post 212 are both sleeved and screwed with a clamping nut 61, and the clamping nut 61 abuts against one side of the lantern ring 6 departing from the side wall of the sliding chute 21.

During the installation, set up connecting hole 211 into rectangular form and make to consolidate bolt 4 and wear to establish the in-process of stainless steel backing plate 3, be convenient for consolidate bolt 4 and get into connecting hole 211 in, reduce the possibility that receives the influence of installation accuracy. Subsequently, the lantern rings 6 at the two ends of the telescopic rod 5 are respectively sleeved on the fixing column 212 and the end part of the reinforcing bolt 4, so that the reinforcing bolt 4 is locked at the position, and the installation of the reinforcing bolt 4 is facilitated while the installation of the stainless steel base plate 3 is reinforced.

And can be according to actual fixed column 212 and the interval of consolidating between the bolt 4, adjust the length of telescopic link 5 to be convenient for telescopic link 5 and consolidate the fixed of bolt 4, further increase and carry out reinforced (rfd) convenience to stainless steel backing plate 3.

Referring to fig. 2, the telescopic rod 5 includes a first link 51, a second link 52, and an adjusting nut 53, the adjusting nut 53 being rotatably coupled to the first link 51, and the adjusting nut 53 being threadedly coupled to the second link 52. The two lantern rings 6 on the same telescopic rod 5 are respectively and correspondingly fixedly connected to the first connecting rod 51 and the second connecting rod 52.

During installation, the adjusting nut 53 is rotated to control the first connecting rod 51 and the second connecting rod 52 to slide relative to each other, so that the whole length of the telescopic rod 5 is adjusted, and the installation is convenient.

In other embodiments, the telescopic rod 5 may further include two adjusting rods sliding with each other and a locking bolt passing through the two adjusting rods, and one of the adjusting rods is provided with a plurality of adjusting holes for the locking bolt to pass through.

Referring to fig. 3, a plurality of pushing hydraulic cylinders 7 are installed on the two slideway beams 2, the pushing hydraulic cylinders 7 are transversely arranged and located on the side edge of the steel truss, and the movable ends of the pushing hydraulic cylinders 7 are arranged towards the steel truss. During the use, the steel truss is in the in-process that slides, if the steel truss extending direction deflection appears, can move the top and push pneumatic cylinder 7 and rectify a deviation to the steel truss this moment to the steadiness when further guaranteeing the steel truss to slide.

Referring to fig. 3, at this time, the slide rail beam 2 is fixedly connected with a plurality of mounting plates 71, and the plurality of pushing hydraulic cylinders 7 on the same slide rail beam 2 are respectively fixed on the upper end surfaces of the plurality of mounting plates 71 in a one-to-one correspondence manner by bolts. A reinforcing rib plate 72 is arranged below the mounting plate 71, and the reinforcing rib plate 72 is fixedly connected to the slideway beam 2 and the mounting plate 71 at the same time. When the pushing hydraulic cylinder 7 is installed, only the pushing hydraulic cylinder 7 needs to be fixed on the mounting plate 71, so that the pushing hydraulic cylinder 7 is relatively convenient and fast to install. Moreover, when the pushing hydraulic cylinder 7 is used, the reinforcing rib 72 can reinforce the mounting plate 71, so that the load bearing capacity of the mounting plate 71 is increased, and the stability of the pushing hydraulic cylinder 7 in use is ensured.

Referring to fig. 3, an abutting plate 73 is further fixedly connected to the upper end surface of the mounting plate 71, and the abutting plate 73 abuts against a side of the cylinder body of the jacking hydraulic cylinder 7, which is away from the steel truss. The abutting plate 73 has a supporting effect on the pushing hydraulic cylinder 7, so that when the pushing hydraulic cylinder 7 abuts against the steel truss, the load borne by the connecting part between the pushing hydraulic cylinder 7 and the mounting plate 71 is reduced, and the use stability of the pushing hydraulic cylinder 7 is improved.

The implementation principle of the steel truss ground pre-assembled platform in the embodiment of the application is as follows: during the installation, lay stainless steel backing plate 3 inside spout 21, will consolidate bolt 4 afterwards and wear to locate connecting hole 211 and stainless steel backing plate 3 on the both sides wall of spout 21 to do the reinforcement to stainless steel backing plate 3's installation, increase the steadiness that stainless steel backing plate 3 used, and then improve the steadiness of slider and steel truss when sliding on stainless steel backing plate 3.

In addition, the pushing hydraulic cylinder can correct the deviation of the steel truss in the sliding process of the steel truss, so that the stability of the steel truss in sliding is further ensured.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a platform is assembled in advance on steel longeron ground, includes support frame (1) and installs two slide roof beams (2) in support frame (1) top, two slide roof beam (2) parallel and extend along the direction that steel longeron needs to remove, open-ended spout (21) up have been seted up in slide roof beam (2), laid stainless steel backing plate (3), its characterized in that in spout (21): stainless steel backing plate (3) are worn to be equipped with a plurality of reinforcement bolt (4), it extends along spout (21) width direction to consolidate bolt (4), a plurality of connecting holes (211) have been seted up to spout (21) both sides wall, connecting hole (211) on spout (21) both sides wall are worn to locate respectively at the both ends of consolidating bolt (4).

2. The steel truss girder ground pre-assembled platform of claim 1, wherein: connecting hole (211) set up to rectangular hole and extend along spout (21) length direction, connecting hole (211) are provided with fixed column (212) along length direction's one end, fixed column (212) fixed connection just is located spout (21) outside in slide roof beam (2), fixed column (212) are provided with telescopic link (5), the both ends of telescopic link (5) can be dismantled respectively and connect in reinforcement bolt (4) tip and fixed column (212).

3. The steel truss girder ground pre-assembled platform as claimed in claim 2, wherein: the two ends of the telescopic rod (5) are fixedly connected with lantern rings (6), and the end part of the reinforcing bolt (4) or the fixing column (212) is sleeved with the lantern rings (6).

4. The steel truss ground pre-assembled platform of claim 3, wherein: the reinforced bolt (4) end and the fixed column (212) are in threaded connection with a clamping nut (61), and the clamping nut (61) abuts against one side, departing from the side wall of the sliding groove (21), of the lantern ring (6).

5. The steel truss ground pre-assembled platform of claim 3, wherein: the telescopic rod (5) comprises a first connecting rod (51), a second connecting rod (52) and an adjusting nut (53), wherein the adjusting nut (53) is rotatably connected to the first connecting rod (51), the adjusting nut (53) is in threaded connection with the second connecting rod (52), and the two lantern rings (6) on the telescopic rod (5) are respectively in one-to-one correspondence with the first connecting rod (51) and the second connecting rod (52).

6. The steel truss ground pre-assembled platform of claim 1, wherein: two a plurality of top push hydraulic cylinders (7) are all installed to slide roof beam (2), top push hydraulic cylinder (7) transversely set up and are located the steel truss side, the expansion end of top push hydraulic cylinder (7) sets up towards the steel truss and is used for with steel truss looks butt.

7. The steel truss girder ground pre-assembled platform of claim 6, wherein: the hydraulic jacking device is characterized in that the slideway beam (2) is fixedly connected with a mounting plate (71) used for fixing the jacking hydraulic cylinder (7), a reinforcing rib plate (72) is arranged below the mounting plate (71), and the reinforcing rib plate (72) is simultaneously and fixedly connected with the slideway beam (2) and the mounting plate (71).

8. The steel truss ground pre-assembled platform of claim 7, wherein: the mounting plate (71) is fixedly connected with a butt joint plate (73), and the butt joint plate (73) is in butt joint with one side, deviating from the steel truss, of the cylinder body in the pushing hydraulic cylinder (7).

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