CN213829578U

CN213829578U - Railway box girder internal mold supporting and moving bracket

Info

Publication number: CN213829578U
Application number: CN202022859944.8U
Authority: CN
Inventors: 杨立; 王大凯; 杨辉; 李峰; 高隽豪
Original assignee: China Construction Civil Engineering Co Ltd
Current assignee: China Construction Civil Engineering Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-07-30
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a railway case roof beam centre form supports removes bracket, it includes preceding frame and after-frame: the all fixedly connected with dead lever one in four corners of rear frame front side, the all fixedly connected with dead lever two in four corners of front frame rear side, the inside of front frame and rear frame all is provided with reinforcing mechanism, the front side of rear frame is provided with roll adjustment mechanism. The utility model discloses a rotate the knob for the whole height of this bracket is adjusted to the knob, thereby adapt to the not centre form of co-altitude, and rotate the screwed pipe according to the width of centre form, the screwed pipe is finally adjusted the distance between front side pulley and the back side pulley and then is applicable to the centre form of different widths, the purpose of being convenient for to support has been reached promptly, this railway case roof beam centre form supports and removes the bracket and possesses the advantage of being convenient for to support, when the centre form demolding, it can support the bottom of centre form to place a plurality of these brackets, avoid it to produce deformation, and this bracket is applicable to different centre forms, application scope is wide.

Description

Railway box girder internal mold supporting and moving bracket

Technical Field

The utility model belongs to the technical field of the case roof beam, especially, relate to a railway case roof beam centre form supports and removes bracket.

Background

The box girder of the reinforced concrete structure is divided into a prefabricated box girder and a cast-in-place box girder, the box girder prefabricated in an independent field is combined with a bridge girder erection machine to be erected after the lower part of the engineering is finished, the engineering progress can be accelerated, and the construction period can be saved; the steel box girder is generally processed in a factory and then transported to a site for installation, and has an all-steel structure and a partially reinforced concrete pavement layer.

Prefabricated case roof beam centre form is bulky, and after the prefabricated case roof beam centre form was removed the demolding by gantry crane hoist and mount when the demolding, set up two support brackets in system roof beam pedestal one end, the centre form is direct to be hung to the support bracket by the gantry crane on, and this kind of mode security is relatively poor when actual operation, and is inefficient to the power that the middle part supported is not enough, makes the centre form produce deformation easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a railway case roof beam centre form supports removes bracket, the advantage that has the support of being convenient for has solved prefabricated case roof beam centre form volume great, prefabricated case roof beam centre form is hoisted by the portal crane when the demolding after removing the demolding, set up two support framves in system roof beam pedestal one end, the centre form is direct to be hung to the support frame by the portal crane on, this kind of mode security is relatively poor when the actual operation, inefficiency, and the power that the middle part supported is not enough, make the centre form produce the problem of deformation easily.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a supporting and moving bracket for an inner mold of a railway box girder comprises a front frame and a rear frame, wherein four corners of the front side of the rear frame are fixedly connected with a first fixing rod, four corners of the rear side of the front frame are fixedly connected with a second fixing rod, reinforcing mechanisms are arranged in the front frame and the rear frame, a distance adjusting mechanism is arranged at the front side of the rear frame, sliding mechanisms are arranged on two sides of the top of the front frame and the top of the rear frame, a limiting mechanism is arranged in the first fixing rod, and supporting mechanisms are arranged on two sides of the front side of the front frame and two sides of the rear side of the rear frame; the strengthening mechanism includes the connecting plate that welds in four interior angles departments of preceding frame and back frame, and the front side welding that is located two connecting plates of diagonal has the bracing piece, equal fixed connection between two inside bracing pieces of preceding frame and two inside bracing pieces of back frame.

The utility model adopts the above-mentioned railway case roof beam centre form support and remove the bracket, further: the distance adjusting mechanism comprises a threaded pipe movably connected to the front side of the intersection point of the two support rods in the rear frame through a bearing, the inner cavity of the threaded pipe is in threaded connection with a first threaded rod, and the front end of the first threaded rod penetrates through the front side of the threaded pipe and is fixedly connected with the intersection point of the two support rods in the front frame.

The utility model adopts the above-mentioned railway case roof beam centre form support and remove the bracket, further: the sliding mechanism comprises fixed seats fixed on two sides of the top of the front frame and the top of the rear frame, and the inner cavity of each fixed seat is rotatably connected with a pulley through a rotating shaft.

The utility model adopts the above-mentioned railway case roof beam centre form support and remove the bracket, further: the limiting mechanism comprises a cavity arranged inside the first fixing rod, the inner cavity of the cavity is movably connected with a limiting rod, the rear end of the limiting rod is fixedly connected with a limiting block, and the front end of the limiting rod penetrates through the front side of the first fixing rod and is fixedly connected with the second fixing rod.

The utility model adopts the above-mentioned railway case roof beam centre form support and remove the bracket, further: the utility model discloses a rear frame, including the front frame, rear frame, supporting mechanism, threaded rod two's surface and threaded block threaded connection, the top fixedly connected with knob of threaded rod two, the bottom fixedly connected with mounting panel of threaded rod two, the equal threaded connection in four corners at mounting panel top has the bolt.

The utility model has the advantages that:

1. the utility model adjusts the whole height of the bracket by rotating the knob, thereby adapting to internal molds with different heights, and rotates the screwed pipe according to the width of the internal mold, the screwed pipe finally adjusts the distance between the front pulley and the rear pulley and is further suitable for internal molds with different widths, thereby achieving the purpose of convenient support, the railway box girder internal mold supporting and moving bracket has the advantage of convenient support, when the internal mold is demoulded, a plurality of brackets are placed to support the bottom of the internal mold, thereby avoiding the deformation of the internal mold, and the bracket is suitable for different internal molds, has wide application range, is safe, convenient and strong practicability, solves the problem of larger volume of the internal mold of the prefabricated box girder, after the prefabricated box girder is demoulded by hoisting and moving the internal mold by the gantry crane, two supporting brackets are arranged at one end of a girder manufacturing pedestal, the internal mold is directly hoisted to the supporting brackets by the gantry crane, the mode has poor safety and low efficiency in actual operation, and the force supported by the middle part is insufficient, so that the inner die is easy to deform.

2. The utility model discloses a strengthening mechanism's setting, four bracing pieces support preceding frame and after-frame and have strengthened this bracket major structure's stability, and then the security when having improved this bracket use, through the setting of supporting mechanism, the knob rotates, knob drives two threaded rods and reciprocates, and then can adjust the height that supports, thereby make the whole height of this bracket change, its application scope has been enlarged, and through a plurality of bolts, carry out fixed mounting with mounting panel and concrete floor, the holistic stability of this bracket has been improved.

Drawings

The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a left side sectional view of an embodiment of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to an embodiment of the present invention;

fig. 4 is an enlarged view of a point B in fig. 1 according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the front frame, 2, the rear frame, 3, dead lever one, 4, dead lever two, 5, strengthening mechanism, 51, connecting plate, 52, bracing piece, 6, roll adjustment mechanism, 61, screwed pipe, 62, threaded rod one, 7, slide mechanism, 71, fixing base, 72, pulley, 8, stop gear, 81, cavity, 82, gag lever post, 83, stopper, 9, supporting mechanism, 91, the screw thread piece, 92, threaded rod two, 93, knob, 94, mounting panel, 95, bolt.

Detailed Description

Hereinafter, embodiments of the present invention of a railway box girder inner mold supporting moving bracket will be described with reference to the accompanying drawings.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

Fig. 1-4 show an embodiment of a railway box girder internal mold supporting and moving bracket of the present invention, which comprises a front frame 1 and a rear frame 2, wherein four corners of the front side of the rear frame 2 are fixedly connected with a first fixing rod 3, four corners of the rear side of the front frame 1 are fixedly connected with a second fixing rod 4, the front frame 1 and the rear frame 2 are both provided with a reinforcing mechanism 5, the reinforcing mechanism 5 comprises a connecting plate 51 welded at four inner corners of the front frame 1 and the rear frame 2, the front sides of the two diagonal connecting plates 51 are welded with supporting rods 52, the two supporting rods 52 inside the front frame 1 and the two supporting rods 52 inside the rear frame 2 are both fixedly connected, and by the arrangement of the reinforcing mechanism 5, the four supporting rods 52 support the front frame 1 and the rear frame 2 to enhance the stability of the main structure of the bracket, thereby improving the safety of the bracket when in use, the front side of the rear frame 2 is provided with a distance adjusting mechanism 6, the distance adjusting mechanism 6 comprises a threaded pipe 61 movably connected with the front side of the intersection point of the two support rods 52 in the rear frame 2 through a bearing, the inner cavity thread of the threaded pipe 61 is connected with a first threaded rod 62, the front end of the first threaded rod 62 penetrates through the front side of the threaded pipe 61 and is fixedly connected with the intersection point of the two support rods 52 in the front frame 1, the two sides of the tops of the front frame 1 and the rear frame 2 are respectively provided with a sliding mechanism 7, the sliding mechanism 7 comprises a fixed seat 71 fixed on the two sides of the tops of the front frame 1 and the rear frame 2, the inner cavity of the fixed seat 71 is rotatably connected with a pulley 72 through a rotating shaft, the inside of the fixed rod one 3 is provided with a limiting mechanism 8, the limiting mechanism 8 comprises a cavity 81 arranged in the inside of the fixed rod one 3, the inner cavity of the cavity 81 is movably connected with a limiting rod 82, and the rear end of the limiting rod 82 is fixedly connected with a limiting block 83, the front end of the limiting rod 82 penetrates through the front side of the first fixing rod 3 and is fixedly connected with the second fixing rod 4, two sides of the front side of the front frame 1 and two sides of the rear side of the rear frame 2 are respectively provided with a supporting mechanism 9, each supporting mechanism 9 comprises a threaded block 91 fixed on two sides of the front side of the front frame 1 and two sides of the rear side of the rear frame 2, the top of each threaded block 91 is provided with a second threaded rod 92 in a penetrating manner, the surface of each second threaded rod 92 is in threaded connection with the corresponding threaded block 91, the top of each second threaded rod 92 is fixedly connected with a knob 93, the bottom of each second threaded rod 92 is fixedly connected with a mounting plate 94, four corners of the top of each mounting plate 94 are respectively in threaded connection with bolts 95, through the arrangement of the supporting mechanisms 9, the knobs 93 are rotated to drive the second threaded rods 92 to move up and down, the supporting height can be adjusted, the overall height of the bracket is changed, the application range of the bracket is expanded, and through the bolts 95, the mounting plate 94 is fixedly mounted to the concrete floor, thereby improving the overall stability of the bracket.

The working principle is as follows: when the bracket is used, the knob 93 can be rotated according to the height of the inner die, the knob 93 drives the second threaded rod 92 to rotate and simultaneously move up and down, the second threaded rod 92 drives the mounting plate 94 to synchronously move, the supporting height is adjusted, further, the overall height of the bracket is adjusted, then, according to the width of the inner die, the threaded pipe 61 is rotated, the threaded pipe 61 drives the first threaded rod 62 to rotate and simultaneously move to one side through threads, the first threaded rod 62 drives the front frame 1 and the first fixed rod 3 to synchronously move, the first fixed rod 3 drives the limiting rod 82 to slide in the inner cavity of the cavity 81, so that the cavity 81 and the limiting rod 82 play a limiting role in the movement of the first fixed rod 3, further, the distance between the front side pulley 72 and the rear side pulley 72 is adjusted, the bracket is suitable for the inner dies with different widths, and finally, the mounting plate 94 and the concrete ground are fixedly mounted through a plurality of bolts 95, the purpose of convenient support is achieved.

In summary, the following steps: the railway box girder internal mold supporting and moving bracket has the advantages that the railway box girder internal mold supporting and moving bracket has the advantage of convenient support, when the internal mold is demoulded, a plurality of brackets are placed to support the bottom of the internal mold to avoid deformation, the brackets are suitable for different internal molds, the application range is wide, the safety, the convenience and the practicability are high, the problem that the size of the prefabricated box girder internal mold is large is solved, the prefabricated box girder internal mold is hoisted by a gantry crane to move out of the mold when the prefabricated box girder internal mold is demoulded, two supporting brackets are arranged at one end of a girder forming pedestal, the internal mold is directly hoisted to the supporting brackets by the gantry crane, the mode has poor safety and low efficiency in actual operation, and the force supported by the middle part is insufficient, so that the inner die is easy to deform.

The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.

Claims

1. The railway box girder internal mold supporting and moving bracket is characterized by comprising a front frame (1) and a rear frame (2), wherein four corners of the front side of the rear frame (2) are fixedly connected with a first fixing rod (3), four corners of the rear side of the front frame (1) are fixedly connected with a second fixing rod (4), reinforcing mechanisms (5) are arranged in the front frame (1) and the rear frame (2), a distance adjusting mechanism (6) is arranged on the front side of the rear frame (2), sliding mechanisms (7) are arranged on two sides of the tops of the front frame (1) and the rear frame (2), a limiting mechanism (8) is arranged in the fixing rod (3), and supporting mechanisms (9) are arranged on two sides of the front side of the front frame (1) and two sides of the rear side of the rear frame (2); reinforcing mechanism (5) include connecting plate (51) that welds in four internal corners departments of preceding frame (1) and rear frame (2), and the front side that is located two connecting plates of diagonal (51) is welded and is had bracing piece (52), equal fixed connection between two inside bracing pieces (52) of preceding frame (1) and two inside bracing pieces (52) of rear frame (2).

2. The internal mold supporting and moving bracket for the railway box girder as claimed in claim 1, wherein the distance adjusting mechanism (6) comprises a threaded pipe (61) movably connected to the front side of the intersection point of the two support rods (52) in the rear frame (2) through a bearing, a first threaded rod (62) is connected to the inner cavity of the threaded pipe (61) in a threaded manner, and the front end of the first threaded rod (62) penetrates through the front side of the threaded pipe (61) and is fixedly connected with the intersection point of the two support rods (52) in the front frame (1).

3. The supporting and moving bracket for the internal mold of the railway box girder according to claim 1, wherein the sliding mechanism (7) comprises fixed seats (71) fixed on both sides of the top of the front frame (1) and the top of the rear frame (2), and the inner cavity of the fixed seats (71) is rotatably connected with a pulley (72) through a rotating shaft.

4. The supporting and moving bracket for the internal mold of the railway box girder as claimed in claim 1, wherein the limiting mechanism (8) comprises a cavity (81) formed inside the first fixing rod (3), the inner cavity of the cavity (81) is movably connected with a limiting rod (82), the rear end of the limiting rod (82) is fixedly connected with a limiting block (83), and the front end of the limiting rod (82) penetrates through the front side of the first fixing rod (3) and is fixedly connected with the second fixing rod (4).

5. The supporting and moving bracket for the inner die of the railway box girder as claimed in claim 1, wherein the supporting mechanism (9) comprises a second threaded rod (92) which is fixed on two sides of the front side of the front frame (1) and two sides of the rear side of the rear frame (2), the top of the second threaded rod (91) penetrates through the second threaded rod (92), the surface of the second threaded rod (92) is in threaded connection with the second threaded rod (91), the top of the second threaded rod (92) is fixedly connected with a knob (93), the bottom of the second threaded rod (92) is fixedly connected with a mounting plate (94), and four corners of the top of the mounting plate (94) are all in threaded connection with bolts (95).