Double-pinning basket hoisting construction device

Abstract

The present application relates to the field of bridge construction, specifically to a double-hung basket hoisting construction device, the adjusting assembly comprises a sliding cross beam, a transverse jack and a longitudinal jack, the longitudinal jack is installed at the upper end of the double-hung basket, the other end of the longitudinal jack is connected to the sliding cross beam, a pair of oppositely arranged transverse jacks are arranged at the two ends of the sliding cross beam, and the front end of the double-hung basket is provided with a correction assembly, beneficial effects are that: the double-hung basket composed of double trusses is arranged, the support for hoisting the prefabricated part is realized, the strength of the hoisting support is improved, the transportation and positioning adjustment of the prefabricated part are realized by adjusting the float box and the traction rope, the positioning of the correction device is matched, the hoisting beam is accurately matched with the ear seat on the prefabricated part, the hoisting precision is improved, the prefabricated part is accurately matched with the box girder after hoisting, and therefore the efficiency and precision of bridge construction are greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of bridge construction, in particular to a double-hung basket hoisting construction device. BACKGROUND

[0002] In the existing bridge construction process, in order to improve the efficiency of bridge construction, prefabricated parts are often used for assembly and installation. In the prior art, the starting construction is usually poured at both ends of the bridge, and then the prefabricated bridge is hoisted and connected.

[0003] In actual construction process, the prefabricated parts are assembled and transported to the middle of the river to be constructed by ship, and then the precise position adjustment is realized by the total station instrument, so that the prefabricated parts are accurately assembled on the bridge. However, when encountering a river channel that is not navigable or does not have the ability to navigate, it is difficult to hoist, transport and install. Moreover, the position adjustment by the total station instrument can only realize the precision between the prefabricated parts and the box girder, and it is difficult to ensure the hoisting precision. SUMMARY

[0004] The purpose of the present application is to provide a double-hung basket hoisting construction device to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A double-hung basket hoisting construction device, comprising:

[0007] A double-hung basket is installed on the box girder, and the double-hung basket is composed of two groups of truss assemblies. One end of the double-hung basket extends to the outside of the box girder, and the other end of the double-hung basket is fixed to the upper end of the box girder through an anchoring assembly;

[0008] An adjusting assembly, comprising a sliding cross beam, a transverse jack and a longitudinal jack, the longitudinal jack is installed at the upper end of the double-hung basket, and the other end of the longitudinal jack is connected to the sliding cross beam, a pair of oppositely arranged transverse jacks are arranged at both ends of the sliding cross beam, and a correction assembly is arranged at the front end of the double-hung basket;

[0009] A hoisting assembly is installed on the sliding cross beam, and the hoisting assembly is adjusted in position by the adjusting assembly. The hoisting assembly is composed of a hoisting device and a hoisting beam. The hoisting device and the hoisting beam are connected by a manganese steel sling. The lower end of the hoisting beam is fixedly connected with the prefabricated part.

[0010] A transport device, comprising a floating box assembly, a traction rope and an anchoring rod, the floating box assembly floats on the water surface, the prefabricated part is placed on the floating box assembly, a plurality of anchoring rods are arranged on the river embankment on both sides of the water surface, and a plurality of winches connected with the anchoring rods through the traction rope are arranged on the floating box assembly.

[0011] Preferably, the lower end of the double-spliced hanging basket is provided with multiple groups of lower rails, the truss assembly is composed of intermediate trusses and side trusses distributed at intervals, the lower end of the truss assembly is installed on the lower rails, and multiple groups of walking wheels are arranged on the lower rails.

[0012] Preferably, the intermediate trusses and the side trusses are provided with rear beams on one side of the box girder, the anchoring assembly comprises a rear anchor beam and a pre-buried rod, the rear anchor beam is pressed on the upper end of the rear beam, the lower end of the pre-buried rod is pre-buried and cast in the box girder, the upper end of the pre-buried rod penetrates through the rear anchor beam, and the upper end of the pre-buried rod is fixedly pressed on the upper end face of the rear anchor beam through a nut.

[0013] Preferably, the upper end of the intermediate truss and the side truss is provided with a top beam, an inclined beam is arranged between the top beam and the rear beam, a pair of inclined horizontal connections are arranged on the inclined beam, and a pair of vertical horizontal connections are vertically arranged at the lower end of the top beam.

[0014] Preferably, the sliding cross beam is composed of a pair of parallel and interval distributed beam plates, gaps between adjacent pairs of beam plates are provided with lifting holes, the upper end of the pair of beam plates is slidingly provided with a pair of transverse sliding blocks, one end of the transverse sliding block is connected to a transverse jack, the lifting device is installed on the upper end of the transverse sliding block, a manganese steel lifting belt vertically penetrates and extends along the lifting hole, the upper end of the prefabricated part is provided with an ear seat, and a lifting wheel connected with the lifting beam is arranged on the ear seat.

[0015] Preferably, the floating box assembly is composed of multiple groups of matrix distributed floating boxes, adjacent floating boxes are fixedly installed through the insertion of pin rods and pin holes, the upper end of the floating box assembly is provided with a mounting rack, and the prefabricated part is lifted on the mounting rack.

[0016] Preferably, the prefabricated part comprises a steel-concrete segment cast part and a spliced prefabricated bridge.

[0017] Preferably, the correction assembly comprises a lateral sleeve rod and a laser instrument, the lateral sleeve rod is transversely fixedly installed at one end of the double-spliced hanging basket extending to the outside of the box girder, a sleeve ring is slidingly sleeved on the lateral sleeve rod, the laser instrument is vertically downwardly arranged on the sleeve ring, the other end of the sleeve ring is connected to a transverse sliding block through an extension rod, and the upper end face of the prefabricated part is provided with a positioning scale.

[0018] Preferably, one side of the sleeve ring is provided with a sliding block, a through hole is arranged on the sliding block and inserted on the lateral sleeve rod, the other side of the sliding block is fixedly connected to an extension rod in a transverse direction, and the end of the extension rod is provided with a flange plate connected to a transverse sliding block.

[0019] Preferably, a mounting rod is vertically arranged on the sleeve ring, the laser instrument is fixedly installed at the lower end of the mounting rod, the laser instrument corresponds to the positioning scale, and the end of the positioning scale is provided with a positioning origin.

[0020] Compared with the prior art, the present application has the beneficial effects that:

[0021] The present application realizes the support of the hoisting of the prefabricated part by setting the double-spliced hanging basket composed of double trusses, improves the strength of the hoisting support, simultaneously realizes the transportation and positioning adjustment of the prefabricated part by the adjustment of the float box and the traction rope, cooperates with the positioning of the correction device, makes the hoisting beam accurately adapt to the ear seat on the prefabricated part, thereby improving the hoisting precision, making the prefabricated part accurately adapt to the box girder after hoisting, and greatly improving the efficiency and precision of the bridge construction. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a hoisting structure schematic diagram of the spliced prefabricated bridge of the present application;

[0023] Figure 2 It is a hoisting structure schematic diagram of the steel-mix segment pouring part of the present application;

[0024] Figure 3 It is a top view of the double-spliced hanging basket of the present application;

[0025] Figure 4 It is a three-dimensional structure schematic diagram of the correction assembly of the present application;

[0026] Figure 5 It is a mounting structure schematic diagram of the double-spliced hanging basket on the box girder of the present application;

[0027] Figure 6 It is a correction three-dimensional structure schematic diagram of the correction assembly of the present application.

[0028] In the figure: 1, box girder; 2, double-spliced hanging basket; 3, hoisting equipment; 4, walking wheel; 5, lower rail; 6, rear anchor beam; 7, pre-buried rod; 8, oblique horizontal connection; 9, longitudinal jack; 10, positioning origin; 11, hoisting beam; 12, float box assembly; 13, prefabricated part; 14, traction rope; 15, anchoring rod; 16, ear seat; 17, hoisting wheel; 18, sliding cross beam; 19, transverse sliding block; 20, transverse jack; 21, middle truss; 22, side truss; 23, rear beam; 24, vertical horizontal connection; 26, inclined beam; 27, hoisting hole; 28, lateral sleeve rod; 29, sleeve ring; 30, mounting rod; 31, sliding block; 32, telescopic rod; 33, flange plate; 34, through hole; 35, positioning scale; 36, laser instrument. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0030] Please refer to Figures 1 to 6 The present application provides a technical solution:

[0031] In the process of bridge construction, the prefabricated parts 13 to be hoisted and constructed include steel and concrete pouring parts and assembled prefabricated bridge frames.

[0032] A double-hung basket hoisting and construction device, the double-hung basket hoisting and construction device comprising a double-hung basket 2, an adjusting assembly, a hoisting assembly and a transportation device.

[0033] The double-hung basket 2 is installed on the box girder 1, and the double-hung basket 2 is composed of two groups of truss assemblies. One end of the double-hung basket 2 extends to the outer side of the box girder 1, and the lower end of the double-hung basket 2 is provided with a plurality of groups of lower tracks 5. The truss assembly is composed of a plurality of groups of intermediate trusses 21 and side trusses 22. The lower end of the truss assembly is installed on the lower track 5, and a plurality of groups of walking wheels 4 are arranged on the lower track 5.

[0034] By matching the walking wheels 4 and the lower tracks 5, the purpose of driving the double-hung basket 2 to move transversely on the upper end of the box girder 1 is achieved. The truss assembly composed of the intermediate trusses 21 and the side trusses 22 improves the supporting strength of the double-hung basket 2.

[0035] The other end of the double-hung basket 2 is fixed to the upper end of the box girder 1 through an anchoring assembly. The intermediate trusses 21 and the side trusses 22 are provided with a rear beam 23 on one side of the box girder 1. The anchoring assembly comprises a rear anchor beam 6 and a pre-buried rod 7. The rear anchor beam 6 is pressed on the upper end of the rear beam 23. The lower end of the pre-buried rod 7 is pre-buried in the box girder 1. The upper end of the pre-buried rod 7 penetrates the rear anchor beam 6. The upper end of the pre-buried rod 7 is fixed and pressed on the upper end face of the rear anchor beam 6 through a nut.

[0036] The anchoring assembly is arranged to fix and install the end of the double-hung basket 2 on the upper end of the box girder 1, so as to avoid the tilting of the suspended end during hoisting.

[0037] The upper end of the intermediate truss 21 and the side truss 22 is provided with a top beam. An inclined beam 26 is arranged between the top beam and the rear beam 23. A pair of inclined horizontal connections 8 is arranged on the inclined beam 26. A pair of vertical horizontal connections 24 is vertically arranged at the lower end of the top beam.

[0038] The inclined horizontal connections 8 and the vertical horizontal connections 24 improve the strength and connection accuracy of the double-hung basket 2.

[0039] The transportation device comprises a pontoon assembly 12, a traction rope 14 and anchor rods 15, the pontoon assembly 12 floats on the water surface, the prefabricated part 13 is placed on the pontoon assembly 12, a plurality of groups of anchor rods 15 are arranged on the river embankments on both sides of the water surface, a plurality of groups of winches connecting the anchor rods 15 through the traction rope 14 are arranged on the pontoon assembly 12, the pontoon assembly 12 is composed of a plurality of groups of matrix-distributed pontoons, the adjacent pontoons are fixedly installed through the insertion of the pin rods and the pin holes, the upper end of the pontoon is provided with a mounting rack, and the prefabricated part 13 is hoisted on the mounting rack.

[0040] The traction rope 14 is driven by the winch, the traction rope 14 is wound and loosened by the winch, the purpose of moving the pontoon assembly 12 on the river surface is achieved, and the position of the pontoon assembly 12 on the river surface is adjusted, so that the prefabricated part 13 at the upper end of the pontoon assembly 12 is located at the position corresponding to the box girder 1 in cooperation with the total station.

[0041] The adjusting assembly comprises a sliding cross beam 18, a transverse jack 20 and a longitudinal jack 9, the longitudinal jack 9 is installed at the upper end of the double-spliced hanging basket 2, the other end of the longitudinal jack 9 is connected to the sliding cross beam 18, a pair of oppositely arranged transverse jacks 20 are arranged at the two ends of the sliding cross beam 18, the sliding cross beam 18 is composed of a pair of parallel and spaced apart beam plates, a hoisting hole 27 is arranged in the gap between the adjacent pair of beam plates, a pair of transverse sliding blocks 19 are slidably arranged at the upper ends of the pair of beam plates, one end of the transverse sliding block 19 is connected to the transverse jack 20, the hoisting device 3 is installed at the upper end of the transverse sliding block 19, a manganese steel lifting belt vertically extends through the hoisting hole 27, an ear seat 16 is arranged at the upper end of the prefabricated part 13, and a lifting wheel 17 connected with the hoisting beam 11 is arranged on the ear seat 16.

[0042] The longitudinal jack 9 is arranged to drive the sliding cross beam 18 to slide laterally, so that the prefabricated part 13 hoisted by the hoisting device 3 is located outside the front end port of the box girder 1, and collision between the prefabricated part 13 and the port of the box girder 1 is avoided, the transverse jack 20 is arranged to drive the transverse sliding block 19 to slide transversely, so as to adjust the position between the hoisting beam 11 at the lower end of the hoisting device 3 and the ear seat 16.

[0043] The front end of the double-hung basket 2 is provided with a correction assembly, which comprises a lateral sleeve rod 28 and a laser instrument 36. The lateral sleeve rod 28 is transversely fixedly installed at one end of the double-hung basket 2 extending to the outside of the box girder 1. A sleeve ring 29 is slidably sleeved on the lateral sleeve rod 28. The laser instrument 36 is vertically downwardly arranged on the sleeve ring 29. The other end of the sleeve ring 29 is connected with the transverse sliding block 19 through an extension rod 32. The upper end surface of the prefabricated part 13 is provided with a positioning scale 35. One side of the sleeve ring 29 is provided with a sliding block 31. The sliding block 31 is provided with a through hole 34 which is inserted on the lateral sleeve rod 28. The other side of the sliding block 31 is fixedly connected with the extension rod 32 in a transverse manner. The end of the extension rod 32 is provided with a flange plate 33 connected with the transverse sliding block 19.

[0044] During the adjustment of the longitudinal jack 9, the extension rod 32 is adapted to the change of the position of the transverse sliding block 19, and the sliding block 31 is adapted to the transverse adjustment of the transverse sliding block 19 under the transverse jack 20, so that the lifting device 3 and the laser instrument 36 are synchronously adjusted. During the adjustment, when the laser instrument 36 irradiates on the positioning scale 35, it indicates that the longitudinal jack 9 is adjusted to the position.

[0045] The mounting rod 30 is vertically arranged on the sleeve ring 29. The laser instrument 36 is fixedly installed at the lower end of the mounting rod 30. The laser instrument 36 corresponds to the positioning scale 35. The end of the positioning scale 35 is provided with a positioning origin 10. When the laser instrument 36 irradiates on the positioning origin 10 under the adjustment of the transverse jack 20, it indicates that the transverse jack 20 is adjusted to the position.

[0046] The lifting assembly is installed on the sliding cross beam 18. The lifting assembly is adjusted in position through the adjusting assembly. The lifting assembly is composed of the lifting device 3 and the lifting beam 11. The lifting device 3 is connected with the lifting beam 11 through the manganese steel lifting belt. The lower end of the lifting beam 11 is fixedly connected with the prefabricated part 13.

[0047] After the adjustment is completed, the prefabricated part 13 is lifted by the lifting assembly to achieve the purpose of accurate alignment.

[0048] Actual construction process:

[0049] The steel and concrete segment pouring part and the assembled prefabricated bridge are transported to the river position by the land transportation device. The prefabricated part 13 is lifted on the floating box assembly 12 by the lifting device.

[0050] First, the lifting and installation of the steel and concrete segment pouring part are performed. The winch is arranged to drive the traction rope 14. The traction rope 14 is wound and loosened by the winch to achieve the purpose of moving the floating box assembly 12 on the river surface, so as to adjust the position of the floating box assembly 12 on the river surface. The prefabricated part 13 at the upper end of the floating box assembly 12 is located at the position corresponding to the box girder 1 in cooperation with the total station instrument.

[0051] By setting longitudinal jack 9 to drive the sliding beam 18 to slide laterally, so that the hoisting equipment 3 hoisting precast 13 is located outside the box girder 1 front end port, to avoid the precast 13 and box girder 1 port between the collision, using the transverse jack 20 drive transverse sliding block 19 lateral sliding, thereby adjusting the hoisting equipment 3 lower end hoisting beam 11 and lug seat 16 between the position, in the longitudinal jack 9 adjustment process, using the telescopic rod 32 to adapt the transverse sliding block 19 position changes, using the slider 31 to adapt the transverse adjustment of the transverse sliding block 19 under the transverse jack 20, so that the hoisting equipment 3 and laser instrument 36 synchronous displacement adjustment, in the adjustment process, when the laser instrument 36 irradiation in the positioning scale 35, indicates that the longitudinal jack 9 adjustment in place, under the adjustment of the transverse jack 20, when the laser instrument 36 irradiation in the positioning origin 10, indicates that the transverse jack 20 adjustment to place, after the adjustment is completed, using the hoisting assembly will be precast 13 hoisting, to achieve the purpose of accurate alignment, after the completion of the hoisting, through the longitudinal jack 9 drive steel mixed segment pouring piece fit the port of box girder 1, for reinforcement binding and concrete pouring, after molding, the float assembly 12 reset;

[0052] After reset, the assembled precast bridge is hoisted again on the float assembly 12, the construction process is the same as the steel mixed segment pouring piece construction process.

[0053] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A double-panel hanging basket hoisting construction device, characterized in that: The double-panel hanging basket hoisting construction device includes: Double-panel hanging basket (2), the double-panel hanging basket (2) is installed on the box girder (1), the double-panel hanging basket (2) is composed of two sets of truss components, one end of the double-panel hanging basket (2) extends to the outside of the box girder (1), and the other end of the double-panel hanging basket (2) is fixed to the upper end of the box girder (1) by anchoring components; The adjustment component includes a sliding crossbeam (18), a transverse jack (20), and a longitudinal jack (9). The longitudinal jack (9) is installed on the upper end of the double-panel hanging basket (2), and the other end of the longitudinal jack (9) is connected to the sliding crossbeam (18). A pair of oppositely arranged transverse jacks (20) are provided at both ends of the sliding crossbeam (18), and a correction component is provided at the front end of the double-panel hanging basket (2). The hoisting assembly is installed on the sliding crossbeam (18). The position of the hoisting assembly is adjusted by the adjusting assembly. The hoisting assembly consists of a hoisting device (3) and a hoisting beam (11). The hoisting device (3) and the hoisting beam (11) are connected by manganese steel slings. The lower end of the hoisting beam (11) is fixedly connected to a prefabricated component (13). The transport device includes a pontoon assembly (12), a traction rope (14), and an anchor rod (15). The pontoon assembly (12) floats on the water surface. The precast component (13) is placed on the pontoon assembly (12). Multiple sets of anchor rods (15) are installed on the riverbanks on both sides of the water surface. Multiple sets of winches connected to the anchor rods (15) by the traction rope (14) are installed on the pontoon assembly (12). The correction assembly includes a lateral sleeve (28) and a laser (36). The lateral sleeve (28) is horizontally fixedly installed at one end of the double-panel hanging basket (2) extending to the outside of the box girder (1). A collar (29) is slidably sleeved on the lateral sleeve (28). A vertically downward laser (36) is installed on the collar (29). The other end of the collar (29) is connected to a transverse sliding block (19) via a telescopic rod (32). A positioning scale (35) is provided on the upper surface of the precast component (13). A sliding block (31) is provided on one side of the collar (29). A through hole (34) is provided on the block (31), the through hole (34) is inserted into the lateral sleeve (28), and the other side of the slider (31) is fixedly connected to the telescopic rod (32). The end of the telescopic rod (32) is provided with a flange (33) for connecting the transverse slider (19); a mounting rod (30) is vertically provided on the collar (29), and the laser (36) is fixedly installed at the lower end of the mounting rod (30). The laser (36) corresponds to the positioning scale (35), and the end of the positioning scale (35) is provided with the positioning origin (10).

2. The double-panel hanging basket hoisting construction device according to claim 1, characterized in that: The lower end of the double-panel hanging basket (2) is provided with multiple sets of lower rails (5). The truss assembly is composed of a middle truss (21) and a side truss (22) that are spaced apart. The lower end of the truss assembly is installed on the lower rail (5), and multiple sets of traveling wheels (4) are provided on the lower rail (5).

3. The double-panel hanging basket hoisting construction device according to claim 2, characterized in that: The intermediate truss (21) and the side truss (22) are provided with a rear beam (23) on one side of the box girder (1). The anchoring assembly includes a rear anchor beam (6) and a pre-embedded rod (7). The rear anchor beam (6) is pressed onto the upper end of the rear beam (23). The lower end of the pre-embedded rod (7) is pre-embedded and cast in the box girder (1). The upper end of the pre-embedded rod (7) passes through the rear anchor beam (6). The upper end of the pre-embedded rod (7) is fixed and pressed onto the upper end face of the rear anchor beam (6) by a nut.

4. The double-panel hanging basket hoisting construction device according to claim 3, characterized in that: The upper ends of the intermediate truss (21) and the side truss (22) are provided with top beams, and an inclined beam (26) is provided between the top beam and the rear beam (23). A pair of inclined horizontal connectors (8) are provided on the inclined beam (26), and a pair of vertical horizontal connectors (24) are provided vertically at the lower end of the top beam.

5. The double-panel hanging basket hoisting construction device according to claim 1, characterized in that: The sliding beam (18) is composed of a pair of parallel spaced beams. The gap between adjacent pairs of beams is provided with a hoisting hole (27). A pair of horizontal sliding blocks (19) are slidably provided at the upper end of the pair of beams. One end of the horizontal sliding block (19) is connected to the horizontal jack (20). The hoisting equipment (3) is installed at the upper end of the horizontal sliding block (19). The manganese steel sling extends vertically through the hoisting hole (27). The upper end of the precast component (13) is provided with a lug (16). The lug (16) is provided with a wheel (17) connected to the hoisting beam (11).

6. The double-panel hanging basket hoisting construction device according to claim 1, characterized in that: The float assembly (12) is composed of multiple sets of matrix-distributed floats. Adjacent floats are fixed together by the insertion of pins and pin holes. The upper end of the float assembly (12) is provided with a mounting frame, and the prefabricated part (13) is hoisted on the mounting frame.

7. The double-panel hanging basket hoisting construction device according to claim 1, characterized in that: The precast components (13) include steel-concrete section castings and assembled precast cable trays.

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