CN217629486U

CN217629486U - Synchronous basket moving construction device for large-span continuous rigid frame bridge hanging basket

Info

Publication number: CN217629486U
Application number: CN202221792244.4U
Authority: CN
Inventors: 吴庭亮; 汪涛; 鲁业林; 林凌玮
Original assignee: Unibuit Construction Investment Co ltd
Current assignee: Unibuit Construction Investment Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-10-21
Anticipated expiration: 2032-07-11

Abstract

The utility model belongs to the technical field of the bridge construction technique and specifically relates to a synchronous basket construction equipment that moves of continuous rigid frame bridge string basket of large-span is related to, it sets up in a plurality of groups guide rail of bridge floor, each including fixed the guide rail all syntropy and parallel arrangement, sliding connection has the owner's truss on the guide rail, fixed preceding landing leg and the rear wheel of being provided with respectively on the owner's truss, preceding landing leg and the all sliding connection of rear wheel in on the guide rail, two adjacent be provided with the socket bar between the preceding landing leg, the socket bar both ends are connected in two simultaneously on the preceding landing leg, be provided with on the guide rail and be used for promoting the jack of owner's truss. This application has the effect that improves the synchronous degree of each main truss of hanging basket removal in-process.

Description

Synchronous basket moving construction device for large-span continuous rigid frame bridge hanging basket

Technical Field

The application relates to the technical field of bridge construction, in particular to a synchronous basket moving construction device for a large-span continuous rigid frame bridge hanging basket.

Background

The hanging basket is a main device in cantilever construction, can be divided into a truss type, a diagonal type, a steel type and a mixed type according to the structural form, and comprehensively compares the characteristics and the weight of the hanging baskets in various forms, the types of steel adopted, the construction process and the like according to the construction process requirements of the concrete cantilever and the requirements of design drawings on the hanging baskets.

Hang the basket and accomplish a section concrete bridge face construction back, need move one section distance towards the pontic design direction, for next section concrete bridge face is under construction, traditional string basket is whole to include multiunit main truss, the fixed multiunit track that sets up on the concrete bridge face of pouring, each track sets up along concrete bridge face construction direction syntropy, each main truss sliding connection of group is on corresponding the track, when the basket is moved along the slide rail direction to the drive string, move through the main truss on each track of jack control respectively, but in the above-mentioned mode, because the main truss on the different tracks of jack control respectively, the displacement volume that is difficult to control each jack keeps unified, the main truss misplaces inequality when removing easily makes, lead to hanging the basket slope.

SUMMERY OF THE UTILITY MODEL

In order to improve the synchronous degree of each main truss in the moving process of the cradle, the application provides a synchronous basket moving construction device for the cradle of the large-span continuous rigid frame bridge.

The application provides a pair of continuous rigid frame bridge of large-span hangs synchronous basket construction equipment that moves of basket adopts following technical scheme:

the utility model provides a synchronous basket construction equipment that moves of continuous rigid frame bridge pannier of large-span, sets up in a plurality of groups guide rail of bridge floor, each including fixed the guide rail all syntropy and parallel arrangement, sliding connection has the main truss on the guide rail, fixed preceding landing leg and the rear wheel of being provided with respectively on the main truss, preceding landing leg and rear wheel all sliding connection in on the guide rail, two adjacent be provided with the receiving rod between the preceding landing leg, the receiving rod both ends connect simultaneously in two on the preceding landing leg, be provided with on the guide rail and be used for promoting the jack of main truss.

Through adopting above-mentioned technical scheme, each main truss sliding connection supports the dead weight through preceding landing leg and rear wheel, and sliding connection is on the guide rail, the setting up of a plurality of main trusses has constituted the upper portion foundation structure of string basket, because through adapting rod with the preceding landing leg on each main truss fixed connection in proper order, when using the jack to promote one or more main trusses, compact structure degree between each main truss has been strengthened through the connection of adapting rod, can drive the structure frame synchronous motion that each main truss made up into, prevent that the displacement volume is different between each main truss, lead to string basket slope.

Optionally, each one side that preceding landing leg deviates from the construction direction tightly supports and is provided with same and accepts the distance rod, accept the distance rod sliding connection in on the guide rail, it is the harpoon form setting to accept the distance rod, just the pin fin of accepting the distance rod is convex setting with the junction of nail body, it deviates from to accept the distance rod one side of preceding landing leg sets up the jack, the jack can dismantle set up in on the guide rail.

By adopting the technical scheme, the fishbone-shaped bearing thrust rod is arranged, so that the thrust can be equally transmitted to the front supporting legs by using a single or fewer jacks, and the equal distribution of the thrust is realized; the joint of the nail head and the nail body of the thrust rod is arranged in a circular arc shape so as to better bear the reaction force.

Optionally, the carrying rod comprises a moving rod and a fixed rod, the moving rod faces the axial direction of one end of the fixed rod, a blind hole is axially formed in one end of the fixed rod, the protrusion is connected in the blind hole in a sliding mode all the time, and the outer side wall of the protrusion tightly abuts against the inner side wall of the blind hole.

Through adopting above-mentioned technical scheme, set up the arch on the carriage release lever, be provided with the blind hole on the dead lever, protruding sliding connection is in the blind hole to tightly support in the blind hole inside wall, make and to realize axial displacement between carriage release lever and the dead lever, with the compensation when the spacing distance between two guide rails appears inequality because of the error reason, the interval of appearance is poor, prevents because of the screens problem when the interval difference appears the primary truss synchronous motion.

Optionally, the outside of dead lever is coaxial to be provided with the clamp, the ring channel has been seted up to carriage release lever lateral wall circumference, clamp one end fixed connection in the lateral wall of dead lever, other end joint in the ring channel, the carriage release lever passes through its axial sliding connection can be followed to the ring channel.

Through adopting above-mentioned technical scheme, the clamp that sets up has covered the junction of dead lever and movable rod, has increased the stress intensity between two poles, and the ring channel that sets up makes the movable rod keep for the sliding connection of clamp, still can realize the sliding connection with the dead lever.

Optionally, a compression spring and a gasket are arranged at the bottom of the blind hole, one end of the compression spring is fixedly connected to the bottom of the blind hole, the other end of the compression spring is fixedly connected to the gasket, and the gasket is slidably connected to the inside of the blind hole and is always tightly abutted to the protrusion.

Through adopting above-mentioned technical scheme, set up compression spring and gasket in the blind hole bottom to make the gasket tightly support in the arch all the time, give arch and a buffer space in blind hole bottom, prevent to take place the direct extrusion between arch and the blind hole bottom, cause the dead lever to damage, and the compression spring who sets up increases along with the compression capacity and elastic potential energy increases in compression process, the effort of production is big more, the resistance that hinders the main truss removal is big more, can play certain warning effect.

Optionally, the ends of the moving rod and the fixed rod, which are away from each other, are both arranged in a circular ring shape, and are respectively sleeved on the adjacent front supporting legs and rotatably connected with the front supporting legs.

Through adopting above-mentioned technical scheme, the one end between carriage release lever and the dead lever all is the ring form setting to rotate with the preceding landing leg that corresponds and be connected, make dead lever and carriage release lever at flexible in-process, when the guide rail is the radioactive migration, can realize the rotation between two poles with the preceding landing leg, in order to compensate because the depth of parallelism deviation that the guide rail exists, avoid because of the appearance of the dead phenomenon of main truss removal card that the depth of parallelism deviation leads to.

Optionally, the guide rail includes a cushion block and a track fixedly disposed on each cushion block, the cushion block is disposed on the concrete bridge floor, and a plurality of compensation cushion layers for enabling the tracks to be located on the same horizontal plane are further disposed between the cushion block and the track.

Through adopting above-mentioned technical scheme, the guide rail has cushion, compensation bed course and track to constitute, and the horizontal guide rail is constituteed in order to make the main truss can realize the horizontal direction and remove to the three.

Optionally, scale marks are sequentially marked on the rail along the bridge construction direction.

By adopting the technical scheme, the set scale marks ensure that the distance of each movement of the front supporting leg is a preset value, so that the movement amount of the movable main truss can be observed visually.

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

1. the main trusses are connected together through the arranged bearing rods, so that the integral structural compactness among the main trusses can be improved;

2. through setting up the lighter supporting distance rod of quality, make supporting distance rod obtain comparatively smooth thrust surface under jack's effect earlier, and this thrust surface tightly supports on the preceding landing leg of each main truss for each preceding landing leg atress is more synchronous and even, further improves the synchronism that each main truss removed.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a side view of the overall structure of an embodiment of the present application.

Fig. 3 is a schematic structural view of the socket rod according to the embodiment of the present application.

Description of the reference numerals:

1. a guide rail; 11. cushion blocks; 12. a compensation cushion layer; 13. a track; 2. a main truss; 3. a front leg; 4. a rear supporting wheel; 5. a bearing rod; 51. a travel bar; 52. a fixing rod; 53. a protrusion; 54. blind holes; 55. clamping a hoop; 56. an annular groove; 57. a compression spring; 58. a gasket; 6. a jack; 7. a bearing thrust rod; 8. and (5) scale marks.

Detailed Description

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

The embodiment of the application discloses a synchronous basket moving construction device for a large-span continuous rigid frame bridge hanging basket. Referring to fig. 1 and 2, a synchronous basket moving construction device of a large-span continuous rigid frame bridge hanging basket comprises four groups of guide rails 1 fixedly arranged on a horizontal concrete bridge surface, each guide rail 1 is arranged in the same direction and horizontally, the intervals of the adjacent guide rails 1 are equal, each group of guide rails 1 comprises cushion blocks 11 horizontally arranged, the cushion blocks 11 are fixedly arranged on the concrete bridge surface, the upper surface of each cushion block 11 is fixedly provided with a compensation cushion layer 12, one layer of compensation cushion layer 12 is used for being located on the same horizontal plane with the top surface of each cushion block 11, a track 13 in a linear shape is fixedly arranged on the compensation cushion layer 12 of each cushion block 11, and scale marks 8 representing the distance are sequentially carved on the track 13 along the bridge construction direction.

Sliding connection has the main truss 2 that is rhombus and vertical setting on track 13, the lower bottom surface level of main truss 2 is placed, landing leg 3 and back round wheel 4 before fixed being provided with respectively on it, and both set up respectively in the both ends department on main truss 2 base, preceding landing leg 3 and back round wheel 4 all sliding connection are on track 13, one side that each preceding landing leg 3 deviates from the construction direction tightly supports and is provided with same distance rod 7 of accepting, accept distance rod 7 sliding connection on guide rail 1, it is the setting of four-jaw fish fork form to accept distance rod 7, and the pin fin of accepting distance rod 7 is convex setting with the junction of nail body, it is provided with jack 6 to accept one side that distance rod 7 deviates from preceding landing leg 3, jack 6 passes through the bolt can dismantle and set up on guide rail 1, jack 6 stretches out and draws back and its flexible end tightly supports in distance rod 7 along track 13 direction.

Referring to fig. 1 and 3, a receiving rod 5 in a long strip shape is arranged between two adjacent front supporting legs 3, the receiving rod 5 is perpendicular to the rail 13, the receiving rods 5 are arranged in a straight line, the receiving rod 5 is formed by butt-joint combination of a moving rod 51 and a fixed rod 52, one end of the moving rod 51, which is far away from the fixed rod 52, is in a circular ring shape, the upper part of each front supporting leg 3 is in a cylindrical shape, and the two ends of the moving rod 51, which are in a circular ring shape, of the fixed rod 52 are respectively sleeved on the adjacent front supporting legs 3 and are coaxially and rotatably connected with the upper part of the corresponding front supporting leg 3.

One end of the moving rod 51 facing the fixing rod 52 is axially provided with a strip-shaped protrusion 53, one end of the fixing rod 52 facing the moving rod 51 is axially provided with a blind hole 54 with the same shape as the protrusion 53, the protrusion 53 is always connected in the blind hole 54 in a sliding manner, and the outer side wall of the protrusion 53 tightly abuts against the inner side wall of the blind hole 54.

The blind hole 54 is axially provided with a compression spring 57 and a gasket 58 at the bottom, one end of the compression spring 57 is fixedly connected to the bottom of the blind hole 54, the other end of the compression spring 57 is fixedly connected to the gasket 58, and the gasket 58 is slidably connected to the inside of the blind hole 54 and is always abutted to the protrusion 53.

The coaxial annular clamp 55 that is provided with in the outside of dead lever 52, clamp 55 divide into identical two halves along its axial, and the two halves part of clamp 55 passes through bolt fixed connection, and clamp 55 and dead lever 52 are coaxial to be set up, and annular groove 56 has been seted up to carriage release lever 51 lateral wall circumference, and bolt fixed connection in the lateral wall of dead lever 52 is passed through to clamp 55 one end, and the other end joint is in annular groove 56, and its axial sliding connection can be followed through annular groove 56 to carriage release lever 51.

The implementation principle of the synchronous basket moving construction device for the large-span continuous rigid frame bridge hanging basket in the embodiment of the application is as follows: when the hanging basket moves, the jack 6 is installed on the track 13, the receiving thrust rod 7 is also installed on the track 13, the front support leg 3 of each main truss 2 is synchronously pushed by the jack 6, and each main truss 2 is driven to synchronously move towards the bridge deck construction direction.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, 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

1. The utility model provides a synchronous basket construction equipment that moves of continuous rigid frame bridge pannier of large-span, sets up in a plurality of groups guide rail (1) of bridge floor, each including fixed guide rail (1) all syntropy and parallel arrangement, sliding connection has main truss (2) on guide rail (1), fixed preceding landing leg (3) and back castor (4) of being provided with respectively on main truss (2), preceding landing leg (3) and back castor (4) all sliding connection in on guide rail (1), its characterized in that: and a bearing rod (5) is arranged between the two adjacent front supporting legs (3), two ends of the bearing rod (5) are simultaneously connected to the two front supporting legs (3), and a jack (6) for pushing the main truss (2) is arranged on the guide rail (1).

2. The synchronous basket moving construction device for the large-span continuous rigid frame bridge hanging basket according to claim 1, characterized in that: each preceding landing leg (3) deviate from one side of construction direction and tightly support and be provided with same thrust rod (7) of accepting, accept thrust rod (7) sliding connection in on guide rail (1), accept thrust rod (7) and be the harpoon form setting, just the pin fin of accepting thrust rod (7) is convex setting with the junction of nail body, accept thrust rod (7) deviate from one side of preceding landing leg (3) sets up jack (6), jack (6) can dismantle set up in on guide rail (1).

3. The synchronous basket moving construction device for the large-span continuous rigid frame bridge hanging basket according to claim 2, characterized in that: the bearing rod (5) comprises a moving rod (51) and a fixing rod (52), the moving rod (51) faces towards one end of the fixing rod (52) in the axial direction, a protrusion (53) is arranged on the fixing rod (52) in the axial direction, a blind hole (54) is formed in the moving rod (51) in the axial direction, the protrusion (53) is always connected in the blind hole (54) in a sliding mode, and the outer side wall of the protrusion (53) tightly abuts against the inner side wall of the blind hole (54).

4. The synchronous basket moving construction device for the large-span continuous rigid frame bridge hanging basket according to claim 3, characterized in that: the coaxial clamp (55) that is provided with in the outside of dead lever (52), ring channel (56) have been seted up to carriage release lever (51) lateral wall circumference, clamp (55) one end fixed connection in the lateral wall of dead lever (52), the other end joint in ring channel (56), carriage release lever (51) pass through its axial sliding connection can be followed in ring channel (56).

5. The synchronous basket moving construction device for the large-span continuous rigid frame bridge hanging basket according to claim 3, characterized in that: be provided with compression spring (57) and gasket (58) at the bottom of blind hole (54), compression spring (57) one end fixed connection in blind hole (54) bottom, other end fixed connection in on gasket (58), gasket (58) sliding connection in blind hole (54), and tightly support all the time on arch (53).

6. The synchronous basket moving construction device for the large-span continuous rigid frame bridge hanging basket according to claim 3, characterized in that: the movable rod (51) and the fixed rod (52) are arranged in a circular ring shape at the ends deviating from each other, and are respectively sleeved on the adjacent front supporting legs (3) and are rotatably connected with the front supporting legs.

7. The synchronous basket moving construction device for the large-span continuous rigid frame bridge hanging basket according to claim 1, characterized in that: the guide rail (1) comprises cushion blocks (11) and rails (13) fixedly arranged on the cushion blocks (11), the cushion blocks (11) are arranged on a concrete bridge floor, and a plurality of compensation cushion layers (12) used for enabling the rails (13) to be located on the same horizontal plane are further arranged between the cushion blocks (11) and the rails (13).

8. The synchronous basket moving construction device for the large-span continuous rigid frame bridge hanging basket according to claim 7, characterized in that: and scale marks (8) are sequentially marked on the track (13) along the bridge construction direction.