CN206706591U - A kind of horizontal splicing apparatus for packaged type bridges precast pier template - Google Patents

Abstract

The utility model discloses a horizontal splicing device for a prefabricated bridge pier formwork of an assembled bridge, which comprises a guide rail and an assembling trolley, the guide rail is arranged horizontally, and a plurality of assembling trolleys for carrying the bridge formwork are arranged on the guide rail. The assembled trolley includes a mobile support, a lifting adjustment system and a bridge formwork support frame, and the bridge formwork support frame is movably arranged on the mobile support to adjust the lift through the lift adjustment system. The utility model is a horizontal splicing device for the prefabricated bridge pier formwork of an assembled bridge. By setting a plurality of lifting and assembling trolleys carrying the bridge formwork on the horizontal track, the height of the bridge formwork on the corresponding trolley can be adjusted through the lifting and assembling trolleys, thereby It can effectively improve the butt joint fit of each bridge formwork joint, and the assembly trolley can move back and forth on the guide rail, which is convenient for the front and rear butt joint of bridge formwork, and effectively reduces the work intensity of construction personnel.

Description

A horizontal splicing device for prefabricated bridge pier formwork for prefabricated bridges

technical field

The utility model relates to the field of bridge construction, in particular to a horizontal splicing device used for prefabricated pier templates of assembled bridges.

Background technique

Large-scale bridge steel tower sections generally require pre-assembly, and physical pre-assembly is divided into vertical pre-assembly and horizontal pre-assembly: for shorter tower sections, vertical pre-assembly is generally used at home and abroad; for longer lengths For large ones, due to the limitations of lifting equipment and factory building height, only horizontal pre-assembly is used. When using horizontal pre-assembly, the most difficult problem to solve is: the metal contact rate must meet the higher standard requirements; the self-weight of the tower section cannot affect the column alignment. Among them, how to ensure the metal contact ratio requirements between tower sections is the difficulty and key point of horizontal pre-assembly.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the prior art, and the purpose is to provide a horizontal splicing device for prefabricated bridge pier formwork, so as to solve the problem of time-consuming and labor-intensive assembly of large-scale bridge steel tower segments and inconvenient operation of assembly equipment. , thus affecting the requirement of metal contact ratio between tower sections.

The utility model is realized through the following technical solutions:

A horizontal splicing device for prefabricated bridge pier templates for prefabricated bridges, including guide rails and assembling trolleys, the guide rails are arranged horizontally, and a plurality of assembling trolleys for carrying bridge templates are arranged on the guide rails, and the assembling trolleys include mobile brackets , a lifting adjustment system and a bridge formwork support frame, the bridge formwork support frame is movably arranged on the mobile support to adjust the lift through the lift adjustment system. The utility model is a horizontal splicing device for the prefabricated bridge pier formwork of an assembled bridge. By setting a plurality of lifting and assembling trolleys carrying the bridge formwork on the horizontal track, the height of the bridge formwork on the corresponding trolley can be adjusted through the lifting and assembling trolleys, thereby It can effectively improve the butt joint fit of each bridge formwork joint, and the assembly trolley can move back and forth on the guide rail, which is convenient for the front and rear butt joint of bridge formwork, and effectively reduces the work intensity of construction personnel.

Further, the guide rail is a double guide rail structure.

Further, the mobile bracket includes a supporting frame composed of four supporting legs, the lower ends of the supporting legs are provided with moving pulleys, and the upper ends of the supporting legs are provided with a sleeve structure assembled and connected with the bridge formwork supporting frame.

Further, the bridge formwork support frame includes a lifting support frame composed of four lifting support legs, and the lower ends of the lifting support legs are movably inserted into the sleeve structures at the upper ends of the supporting legs.

Further, the top of the bridge formwork support frame is provided with a positioning support frame that cooperates with the bridge formwork.

Further, the positioning support frame is two pairs of positioning plates arranged along the moving direction of the assembling trolley, and the upper inner corners of the positioning plates are chamfered.

Further, the lifting adjustment system includes an adjusting lifting screw and a scissors telescopic frame, the two joints at the lower end of the scissors telescopic frame are installed on the adjusting lifting screw through wire sleeves, and the adjusting lifting screw is installed on the mobile bracket Above, the two joints at the upper end of the scissors telescopic frame are hinged on the bridge formwork support frame, and the expansion and contraction of the scissors telescopic frame is controlled by rotating and adjusting the lifting screw rod, and the expansion and contraction of the scissors telescopic frame drives the lifting movement of the bridge formwork support frame .

Further, there are two sets of scissor telescopic frames.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

The utility model is a horizontal splicing device for the prefabricated bridge pier formwork of an assembled bridge. By setting a plurality of lifting and assembling trolleys carrying the bridge formwork on the horizontal track, the height of the bridge formwork on the corresponding trolley can be adjusted through the lifting and assembling trolleys, thereby It can effectively improve the butt joint fit of each bridge formwork joint, and the assembly trolley can move back and forth on the guide rail, which is convenient for the front and back docking of bridge formwork, and effectively reduces the work intensity of construction personnel;

The assembled trolley adopts the scissor-type lifting telescopic frame, the lifting structure is simple, the production cost is low, no electric power is required, and it is not restricted by the environment of the construction site. It is easy for workers to operate and popularize.

The hoisting equipment can be evacuated after hoisting the bridge formwork onto the trolley, liberating the mechanical equipment and improving the utilization efficiency of the machinery. The utility model can be applied to the assembly of various prefabricated parts, such as the assembly of prefabricated bridge piers, fabricated bridge piers or bridge templates.

Description of drawings

The drawings described here are used to provide a further understanding of the embodiments of the utility model, constitute a part of the application, and do not constitute a limitation to the embodiments of the utility model. In the attached picture:

Fig. 1 is a structural schematic diagram of a horizontal splicing device used for the prefabricated bridge pier formwork of the utility model;

Fig. 2 is a front structural schematic diagram of an assembled trolley of the present invention;

Fig. 3 is the structural representation of A-A in Fig. 2;

Fig. 4 is the structural representation of B-B in Fig. 3;

Fig. 5 is the structural representation of C-C in Fig. 4;

Marks and corresponding parts names in the attached drawings:

1- guide rail, 2- assembly trolley, 3- bridge template, 4- mobile bracket, 5- lifting adjustment system, 6- bridge template support frame, 7- supporting leg, 8- supporting frame, 9- moving pulley, 10-set Tube structure, 11-lifting support leg, 12-lifting support frame, 13-positioning support frame, 14-positioning plate, 15-adjusting lifting screw rod, 16-scissor telescopic frame, 17-wire sleeve.

detailed description

In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the examples and accompanying drawings. The schematic implementation of the utility model and its description are only used to explain the utility model Novelty, not as a limitation to the utility model.

Example 1

As shown in Figure 1, the utility model is a horizontal splicing device for the prefabricated bridge pier formwork of an assembled bridge, including a guide rail 1 and an assembly trolley 2, the guide rail 1 is arranged horizontally, and multiple sets are arranged on the guide rail 1 to carry the bridge formwork 3, the assembled trolley 2 (as shown in Figure 1), the assembled trolley 2 moves forward and backward on the guide rail 1 through the moving pulley 9 arranged at the bottom, (as shown in Figure 2-3) the assembled trolley 2 includes a mobile bracket 4, a lifting adjustment The system 5 and the bridge formwork supporting frame 6, the bridge formwork supporting frame 6 is movably arranged on the mobile support 4 and the lifting is adjusted by the lifting adjustment system 5 . The guide rail 1 is a double guide rail structure. The mobile support 4 includes a supporting frame 8 formed by four supporting legs 7, and the four supporting legs 7 are welded and fixed by reinforcing beams. The four supporting legs 7 can be made of square tube steel, and the lower ends of the supporting legs 7 are provided with movable The pulley 9 and the upper end of the support leg 7 are provided with a sleeve structure 10 assembled and connected with the bridge formwork support frame 6 . The bridge formwork support frame 6 includes a lifting support frame 12 composed of four lifting support legs 11, and the lifting support legs 11 are welded and fixed by reinforcing beams. The four supporting legs 7 can be made of square tube steel, and the lower ends of the lifting support legs 11 are It is movably inserted in the sleeve structure 10 at the upper end of the supporting leg 7 .

At the construction site, first check the levelness of the guide rail 1. According to the number of assembled bridge templates 3, place the same number of assembled trolleys 2 on the guide rail 1, and place a bridge template 3 on each trolley according to the splicing sequence. The positioning socket and the bridge formwork support frame 6 top are provided with the positioning support frame 13 matched with the bridge formwork 3 for positioning and installed correspondingly, and then the assembly trolley 2 is moved to make the adjacent bridge formwork 3 dock in pairs, and after the docking, it is assembled by adjusting Dolly 2 lifts and aligns, specifically adopts wrench set to regulate scissor telescopic frame 16 expansion and contraction on the end of adjustment lifting screw 15, after aligning, adjacent bridge formwork 3 joints are welded or bolted in pairs.

The top of the bridge formwork support frame 6 is provided with a positioning support frame 13 that cooperates with the bridge formwork 3 for positioning. The positioning support frame 13 is two pairs of positioning plates 14 arranged along the moving direction of the assembled trolley 2, and the inner corners at the upper ends of the positioning plates 14 are chamfered. The bottom of the bridge formwork 3 is provided with four positioning jacks (not shown in the accompanying drawings) that match the positioning plate 14. The positioning jacks are arranged at the center of the bottom of the bridge formwork 3, which is convenient for supporting balance. position.

As shown in Figure 4, the lifting adjustment system 5 includes an adjusting lifting screw 15 and a scissors telescopic frame 16. The two ends of the screw on the top are symmetrical (as shown in Figure 5), and the helical direction is opposite, so that the two thread sleeves 17 installed on the adjusting lifting screw 15 can move towards each other or in the opposite direction. The adjusting lifting screw 15 is installed On the mobile support 4, the two joints at the upper end of the scissors telescopic frame 16 are hinged on the bridge template support frame 6, and the lifting screw rod 15 is adjusted by rotating to control the expansion and contraction of the scissors telescopic frame 16, and the telescopic scissors frame 16 stretches and drives Lifting movement on the bridge formwork supporting frame 6.

The utility model is a horizontal splicing device for the prefabricated bridge pier formwork of an assembled bridge. By setting a plurality of lifting and assembling trolleys carrying the bridge formwork on the horizontal track, the height of the bridge formwork on the corresponding trolley can be adjusted through the lifting and assembling trolleys, thereby It can effectively improve the butt joint fit of each bridge formwork joint, and the assembly trolley can move back and forth on the guide rail, which is convenient for the front and back docking of bridge formwork, and effectively reduces the work intensity of construction personnel;

The assembled trolley adopts the scissor-type lifting telescopic frame, the lifting structure is simple, the production cost is low, no electric power is required, and it is not restricted by the environment of the construction site. It is easy for workers to operate and popularize.

Example 2

As shown in Figures 1-5, the utility model is a horizontal splicing device for prefabricated bridge pier formwork of an assembled bridge. On the basis of Embodiment 1, there are two sets of scissor telescopic frames 16 . Pass through, two sets of scissors telescopic frame 16 lower end four joints,; Share a silk sleeve 17 in pairs, thereby control two sets of scissors telescopic frames 16 expansion and contraction by an adjustment lifting screw rod 15. Realizing the lifting support by two sets of scissor telescopic frames 16 can improve the lifting stability of the assembled trolley 2 and also provide bearing capacity.

The specific embodiments described above have further described the purpose, technical solutions and beneficial effects of the present utility model in detail. Within the protection scope of the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims (8)

1. a kind of horizontal splicing apparatus for packaged type bridges precast pier template, including guide rail (1) and assembled dolly (2), It is characterized in that：The guide rail (1) is horizontally disposed, sets more to be used to carry the assembled small of bridge formwork (3) on guide rail (1) Car (2), the assembled dolly (2) includes mobile support (4), lift adjustment system (5) and bridge formwork support frame (6), described Bridge formwork support frame (6) is movably arranged on mobile support (4) to adjust by lift adjustment system (5) and lifted.

2. a kind of horizontal splicing apparatus for packaged type bridges precast pier template according to claim 1, its feature It is, the guide rail (1) is double bar guide rail structures.

3. a kind of horizontal splicing apparatus for packaged type bridges precast pier template according to claim 1, its feature It is, the mobile support (4) includes the support frame (8) that four supporting legs (7) are formed, and supporting leg (7) lower end is all provided with There is mobile pulley (9), supporting leg (7) upper end is provided with the tube-in-tube structure (10) with bridge formwork support frame (6) assembly connection.

4. a kind of horizontal splicing apparatus for packaged type bridges precast pier template according to claim 3, its feature It is, the bridge formwork support frame (6) includes the lifting support frame (12) that four lifting supporting legs (11) are formed, the liter Descending branch support leg (11) lower end activity is plugged in the tube-in-tube structure (10) of supporting leg (7) upper end.

5. a kind of horizontal splicing apparatus for packaged type bridges precast pier template according to claim 4, its feature It is, the positioning supporting frame being engaged with bridge formwork (3) for positioning is provided with the top of the bridge formwork support frame (6) (13)。

6. a kind of horizontal splicing apparatus for packaged type bridges precast pier template according to claim 5, its feature It is, the positioning supporting frame (13) is two pairs of location-plates (14) along assembled dolly (2) moving direction spread configuration, described fixed Position plate (14) upper end interior angle does chamfered.

7. a kind of horizontal splicing apparatus for packaged type bridges precast pier template according to claim 6, its feature It is, the lift adjustment system (5) includes regulation elevating screw (15) and shearing fork telescopic frame (16), the shearing fork telescopic frame (16) joint of lower end two is arranged on regulation elevating screw (15) by silk braid (17), regulation elevating screw (15) installation On mobile support (4), shearing fork telescopic frame (16) upper end two joint is hinged on bridge formwork support frame (6), is passed through Regulation elevating screw (15) is rotated so as to control shearing fork telescopic frame (16) flexible, the shearing fork telescopic frame (16) is flexible to drive bridge again Elevating movement on beam form support frame (6).

8. a kind of horizontal splicing apparatus for packaged type bridges precast pier template according to claim 7, its feature It is, the shearing fork telescopic frame (16) is two sets.