Composite beam integrated deck crane and construction method

Abstract

The invention provides a composite beam integrated deck crane and a construction method, and belongs to the technical field of hoisting equipment, the composite beam integrated deck crane comprises an upper cross beam and a lower cross beam, the upper cross beam and the lower cross beam are arranged in a staggered mode, and the upper cross beam and the lower cross beam are connected through a vertical rod; the bottom of the lower cross beam is transversely connected with a bottom cross beam. Concrete beam hoisting assemblies are arranged at the two ends of the bottom cross beam. The bottom of the lower beam is connected with a walking assembly, and the crane can walk along the steel beam through the walking assembly. The bottom of the lower beam is further connected with a supporting assembly, and anchoring of the crane and the steel beam is achieved through an anchoring assembly. A steel beam hoisting assembly is arranged at the front end of the upper cross beam. The concrete beam hoisting assembly and the steel beam hoisting assembly are arranged on the bottom cross beam and the upper cross beam correspondingly, the to-be-mounted steel beam and then the to-be-mounted concrete beam can be mounted under the condition that the structural stability is guaranteed, one-machine hoisting of the steel-concrete composite beam is achieved, the construction difficulty is lowered, the operation time is shortened, and the equipment investment is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of lifting equipment, and particularly relates to a composite beam integrated deck crane and a construction method thereof. Background Art

[0002] Steel has high tensile and shear resistance, and concrete has high compressive resistance. The steel-concrete composite beam gives full play to the advantages of both, improving the bearing capacity of the structure. Therefore, steel-concrete composite beams are increasingly used in large bridge construction projects. The existing installation construction technology of steel-concrete composite beams generally includes a hoisting technology using large lifting equipment and a cantilever erection technology using a deck crane. When using large lifting equipment to hoist steel-concrete composite beams, high requirements are imposed on the performance of the lifting equipment and the degree of ground hardening. Hoisting steel-concrete composite beams requires multi-machine cooperation, increasing the construction difficulty; when using an ordinary deck crane for cantilever erection operations, since the bridge structure form is an upper and lower steel-concrete composite beam, after the upper half or the lower half is hoisted by the deck crane, another device is required for hoisting and installing the composite part, and it is impossible to realize the one-machine hoisting operation of the upper and lower steel-concrete composite beams. This increases the construction difficulty, prolongs the operation time, and causes waste of equipment resources. Summary of the Invention

[0003] In order to solve the problems existing in the above-mentioned prior art, a composite beam integrated deck crane and a construction method thereof are proposed.

[0004] The technical solution for the present invention to solve the technical problems is as follows: On the one hand, a composite beam integrated deck crane is proposed, which includes an upper cross beam and a lower cross beam. The upper cross beam and the lower cross beam are arranged in a staggered manner, and the upper cross beam and the lower cross beam are connected by vertical columns; a bottom cross beam is transversely connected to the bottom of the lower cross beam, and concrete beam lifting components are arranged at both ends of the bottom cross beam; a traveling component is connected to the bottom of the lower cross beam, and the crane is enabled to travel along the steel beam through the traveling component; a support component is also connected to the bottom of the lower cross beam, and the crane is anchored to the steel beam through the anchoring component; a steel beam lifting component is arranged at the front end of the upper cross beam.

[0005] Preferably, the traveling component includes a slide rail fixed on the top surface of the steel beam. A plurality of ear plates are connected to the top of the steel beam, and the slide rail and the ear plates are connected by pin shafts; a sliding seat is correspondingly connected to the bottom of the lower cross beam, and the sliding seat can slide along the slide rail; a plurality of reserved grooves are opened on the slide rail, and an oil cylinder pushing seat can be inserted into the reserved grooves. A traveling oil cylinder is connected to the oil cylinder pushing seat, and the telescopic end of the traveling oil cylinder is hinged to the sliding seat; the telescopic movement of the traveling oil cylinder can drive the sliding seat to slide along the slide rail.

[0006] Preferably, the anchoring component includes a rear anchor cross bar, the rear anchor cross bar is connected to the rear end of the lower cross beam, an anchoring hole is opened on the rear anchor cross bar, and after the anchor rod passes through the anchoring hole, it is connected to an anchoring lifting ear fixed on the top of the steel beam.

[0007] Preferably, the anchoring assembly further includes front support cylinders arranged outside the traveling assembly. The front support cylinders are connected to both ends of the bottom cross beam, and screw jacks are arranged outside the front support cylinders.

[0008] Preferably, the concrete beam lifting assembly includes a concrete beam hoisting overhead crane, which can slide on the overhead crane slide seat. The overhead crane slide seat is fixed on the bottom cross beam; one end of the overhead crane slide seat is fixedly connected to the longitudinal movement cylinder of the concrete hoisting overhead crane, and the telescopic end of the longitudinal movement cylinder of the concrete hoisting overhead crane is connected to the concrete beam hoisting overhead crane; the top of the concrete beam hoisting overhead crane is connected to the concrete beam hoisting winch, and the concrete beam hoisting winch drives the connection assembly to move vertically. The connection assembly is connected to the concrete beam to drive the concrete beam to move.

[0009] Preferably, the connection assembly includes a concrete beam hanger. The top of the concrete beam hanger is connected to the extended frame of the concrete beam hanger, and the top of the extended frame of the concrete beam hanger is connected to the lifting end of the concrete beam hoisting winch; the bottom of the concrete beam hanger is connected to the hanger bracket. The inner side of the hanger bracket is connected to the bracket screw. After the bracket screw passes through the reserved hole on the concrete beam, the concrete beam is fixed by the installation nut.

[0010] Preferably, the steel beam lifting assembly includes a steel beam hoisting overhead crane that can longitudinally slide on the upper cross beam. A longitudinal movement cylinder of the steel beam hoisting overhead crane is also connected to the corresponding upper cross beam. The telescopic end of the longitudinal movement cylinder of the steel beam hoisting overhead crane is connected to the steel beam hoisting overhead crane, which can drive the steel beam hoisting overhead crane to move; a steel beam hoisting winch is connected to the steel beam hoisting overhead crane, and the lifting end of the steel beam hoisting winch is connected to the slewing spreader. The bottom of the slewing spreader is connected to the extended frame of the steel beam hanger, and the bottom of the extended frame of the steel beam hanger is connected to the steel beam hanger, and the steel beam hanger can be connected to the steel beam to be installed.

[0011] Preferably, a posture adjustment cylinder of the steel beam hanger is arranged between the top of the extended frame of the steel beam hanger and one end of the steel beam hanger, and the posture adjustment cylinder of the steel beam hanger is hinged to both of them respectively; a posture adjustment cylinder of the concrete beam hanger is connected between the top of the extended frame of the concrete beam hanger and one end of the concrete hanger, and the posture adjustment cylinder of the concrete beam hanger is hinged to both of them respectively.

[0012] Preferably, there are two groups of vertical poles, and several groups of cross connecting rods for strengthening support are arranged between the two vertical poles; diagonal braces are respectively connected between the two sides of the upper cross beam and both ends of the bottom cross beam. A front pressure bar is connected between the front ends of the upper cross beam and the lower cross beam, and a rear tension bar is connected between the rear ends of the upper cross beam and the lower cross beam; a stable structure is formed among the upper cross beam, the lower cross beam, the front pressure bar, the rear tension bar and the vertical poles.

[0013] On the other hand, a construction method for a composite beam using the composite beam integrated bridge deck crane described above is proposed, including the following steps: S1. Assembling; weld the ear plate on the top of the steel beam, and use the pin to connect the slide rail to the welded ear plate on the top of the steel beam; connect the upper beam, lower beam, bottom beam, vertical rod, horizontal connecting rod, front pressure rod, rear pull rod and diagonal support rod according to the corresponding positions, install the slide seat on the slide rail, and finally connect the lower beam to the slide seat; S2. Steel beam installation; a1. Position adjustment: Move the bridge crane along the slide rail to the position to be installed, and adjust the position of the steel beam hoisting crane through the longitudinal movement cylinder of the steel beam hoisting crane; a2. Fixed position; the rear anchor rod passes through the anchor hole on the rear anchor pole and is connected to the anchor lug on the steel beam through a pin shaft to achieve anchoring of the bridge crane during operation; a3. Force system conversion: the front support cylinder lifts the bridge crane, the slide seat is separated from the slide rail, and then the screw jack base is supported on the web of the steel beam. The front support cylinder of the bridge crane is retracted and does not participate in the force, completing the force system conversion; a4. Lifting and connecting the steel beam; the longitudinal oil cylinder of the steel beam lifting crane pushes the steel beam lifting crane and the steel beam lifting winch to the lifting position, the steel beam lifting winch operates, and the rotary hanger, the steel beam hanger, the steel beam hanger extension frame and the steel beam hanger posture adjustment cylinder are lowered to the lifting height, and the steel beam hanger is connected to the lifting lug welded on the pre-assembled steel beam through the pin shaft; the steel beam lifting winch operates to lift the steel beam to the assembly height, and the posture of the steel beam is adjusted to be flush with the installed steel beam through the steel beam hanger posture adjustment cylinder, the longitudinal oil cylinder of the steel beam lifting crane is recovered, the pre-assembled steel beam is moved to the assembly position, and then the pre-assembled steel beam is welded to the installed steel beam to complete the installation of the steel beam, and finally the steel beam hanger and the newly installed steel beam are disconnected; S3. Move the position; extend the front support cylinder of the equipment to separate the base of the screw jack from the top plate of the steel beam; after moving the screw jack out, retract the front support cylinder to make the slide contact with the slide rail, release the connection between the rear anchor rod and the steel beam anchor lug, and make the reverse wheel contact with the upper flange of the slide rail to prevent the equipment from tipping forward during travel. Insert the cylinder push seat into the reserved groove on the top plate of the slide rail, and the travel cylinder pushes the slide forward on the slide rail, thereby pushing the entire bridge crane forward. After the travel cylinder moves one stroke, pull the cylinder push seat out of the reserved groove, and the travel cylinder contracts to move the cylinder push seat forward. The cylinder push seat is inserted into the reserved groove again to move the next round of bridge crane forward until it reaches the concrete beam lifting position.

[0014] S4.Concrete beam installation; b1. Position adjustment: After the bridge crane is moved along the slide rail to the position to be installed, the position of the concrete beam hoisting crane is adjusted by the longitudinal movement cylinder of the concrete hoisting crane; b2. Fixed position; the rear anchor rod passes through the anchor hole on the rear anchor pole and is connected to the anchor lug on the steel beam through a pin to achieve anchoring of the bridge crane during operation; b3. Force system conversion: The front support cylinder lifts the bridge deck crane, the sliding seat disengages from the slide rail, then the base of the screw jack is supported at the web position of the steel beam, and the front support cylinder of the bridge deck crane retracts and does not participate in the force, completing the force system conversion; b4. Lifting and connecting the concrete beam: The longitudinal displacement cylinder for concrete beam hoisting pushes the overhead crane for concrete beam hoisting and the winch for concrete beam hoisting to the lifting position. The winch for concrete beam hoisting operates, lowering the concrete beam hanger, the extended frame of the concrete beam hanger, the bracket of the concrete beam hanger, the screw of the concrete beam bracket, and the attitude adjustment cylinder of the concrete beam hanger to the hoisting height. The screw of the concrete beam bracket passes through the reserved hole of the pre-assembled concrete beam and is connected to the bracket of the concrete beam hanger. After the connection is completed, the winch for concrete beam hoisting operates to lift the pre-assembled concrete beam to the assembly height. The attitude of the concrete beam is adjusted to be flush with the already installed concrete beam through the attitude adjustment cylinder of the concrete beam hanger. The longitudinal displacement cylinder for concrete beam hoisting retracts, moving the pre-assembled concrete beam to the assembly position, then welding the pre-assembled concrete beam to the already installed steel beam and bonding the pre-assembled concrete beam to the already installed concrete beam to complete the installation of the concrete beam. Finally, the bracket of the concrete beam hanger is disconnected from the newly installed concrete beam; S5. Repeat steps S2 - S4 until the construction of the composite beam is completed.

[0015] Compared with the prior art, the above technical solution has the following advantages or beneficial effects: 1. In the present invention, the concrete beam lifting component and the steel beam lifting component are respectively arranged on the bottom cross beam and the upper cross beam. Under the condition of ensuring structural stability, it is possible to install the steel beam to be installed first and then the concrete beam to be installed, realizing the one - machine hoisting of the steel - concrete composite beam, reducing the construction difficulty, shortening the operation time, and reducing the equipment investment.

[0016] 2. In the present invention, the traveling component enables the crane to travel along the steel beam; the anchoring component realizes the anchoring when reaching the installation position, and its moving and anchoring effects are good, enabling the long - distance segmented installation of the steel - concrete composite beam, with simple construction and low operation difficulty.

[0017] 3. In the present invention, the overhead crane for concrete beam hoisting and the overhead crane for steel beam hoisting are used to lift the concrete beam and the steel beam. At the same time, the attitude adjustment cylinder of the concrete beam hanger and the attitude adjustment cylinder of the steel beam hanger ensure the alignment of the beams, ensuring the construction accuracy while improving the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The specification drawings forming a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention.

[0019] Figure 1It is a schematic side view of the structure of the present invention; Figure 2 It is a schematic front view of the structure of the present invention; Figure 3 A top view of the bottom cross beam of the present invention; Figure 4 It is a side view of the bottom cross beam of the present invention; Figure 5 This is a diagram of the connection between the concrete beam hanger bracket and the concrete beam of the present invention.

[0020] Description of reference numerals: 1. Upper beam; 2. Vertical pole; 3. Lower beam; 4. Horizontal connecting rod; 5. Bottom beam; 6. Diagonal support rod; 7. Pressure rod; 8. Rear pull rod; 9. Screw jack; 10. Slide rail; 11. Slide seat; 12. Reverse buckle wheel; 13. Cylinder push seat; 14. Rear anchor pole; 15. Rear anchor rod; 16. Steel beam hoisting crane; 17. Rotary hoist; 18. Steel beam hanger; 19. Steel beam hanger extension frame; 20. Concrete beam hoisting crane; 21. Crane slide seat; 22. Concrete beam Hanger; 23. Concrete beam hanger extension frame; 24. Hanger bracket; 241. Bull leg screw; 25. Travel cylinder; 26. Front support cylinder; 27. Steel beam lifting crane longitudinal movement cylinder; 28. Steel beam hanger posture adjustment cylinder; 29. Concrete lifting crane longitudinal movement cylinder; 30. Concrete lifting crane transverse movement cylinder; 31. Concrete beam hanger posture adjustment cylinder; 32. Steel beam lifting winch; 33. Concrete beam lifting winch; 34. Steel beam; 35. Concrete beam. DETAILED DESCRIPTION

[0021] In order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below through specific embodiments and in conjunction with its accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, the components and settings of specific examples are described below. In addition, the present invention may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present invention omits the description of well-known components, processing technologies and processes to avoid unnecessarily limiting the present invention. The orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present invention. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Embodiment 1: Please refer to Figures 1 - 5 , in order to realize the one-machine hoisting of the steel-concrete composite beam in this embodiment and reduce the construction difficulty, a composite beam integral bridge deck crane is proposed. Its structural framework includes an upper cross beam 1 and a lower cross beam 3. The upper cross beam 1 and the lower cross beam 3 are arranged in a staggered manner. The upper cross beam 1 and the lower cross beam 3 are connected by vertical rods 2. There are two groups of vertical rods 2, and several groups of transverse connecting rods 4 for strengthening support are arranged between the two vertical rods 2; the bottom of the lower cross beam 3 is horizontally connected to a bottom cross beam 5, and concrete beam lifting components are arranged at both ends of the bottom cross beam 5; the bottom of the lower cross beam 3 is connected to a traveling component, and the crane is realized to travel along the steel beam 34 through the traveling component; the bottom of the lower cross beam 3 is also connected to a support component, and the anchoring of the crane to the steel beam 34 is realized through the anchoring component; a steel beam lifting component is arranged at the front end of the upper cross beam 1.

[0023] In addition, as Figure 1 and Figure 2As shown in the figure, in order to strengthen the stability of the structural framework, diagonal braces 6 are respectively connected between the two sides of the upper crossbeam 1 and the two ends of the bottom crossbeam 5. A front strut 7 is connected between the front ends of the upper crossbeam 1 and the lower crossbeam 3, and a rear tie rod 8 is connected between the rear ends of the upper crossbeam 1 and the lower crossbeam 3. The structural framework is a rhombus structure in the longitudinal direction of the bridge and a trapezoidal structure in the transverse direction of the bridge, with stable structure. A stable structure is formed among the upper crossbeam 1, the lower crossbeam 3, the front strut 7, the rear tie rod 8 and the vertical pole 2.

[0024] Embodiment 2: Continue to refer to Figures 1 - 5 , based on Embodiment 1, this embodiment proposes a walking component and an anchoring component. The walking component includes a slide rail 10 fixed on the top surface of the steel beam 34. A number of ear plates are connected to the top of the steel beam 34, and the slide rail 10 is connected to the ear plates through a pin shaft. A slide block 11 is connected to the bottom corresponding to the lower crossbeam 3, and the slide block 11 can slide along the slide rail 10. A number of reserved slots are opened on the slide rail 10, and an oil cylinder pushing seat 13 can be inserted into the reserved slots. A walking oil cylinder 25 is connected to the oil cylinder pushing seat 13, and the telescopic end of the walking oil cylinder 25 is hinged to the slide block 11. The telescopic movement of the walking oil cylinder 25 can drive the slide block 11 to slide along the slide rail 10.

[0025] The anchoring component includes a rear anchor crossbeam 14, which is connected to the rear end of the lower crossbeam 3. An anchoring hole is opened on the rear anchor crossbeam 14, and after the anchor rod passes through the anchoring hole, it is connected to the anchoring lifting lug fixed on the top of the steel beam 34.

[0026] In addition, the anchoring component further includes a front support oil cylinder 26 arranged outside the walking component. The front support oil cylinder 26 is connected to the two ends of the bottom crossbeam 5, and a screw jack 9 is arranged outside the front support oil cylinder 26. During anchoring, first lift the structural framework by the front support oil cylinder 26, then place the screw jack 9 at the bottom of the bottom crossbeam 5 and the web position of the steel beam 34, and finally retract the front support oil cylinder 26 so that it does not participate in the force. Supporting at the web position of the steel beam can reduce the deformation of the steel beam 34 and complete the conversion of the force system.

[0027] Embodiment 3: Continue to refer to Figures 1 - 5, based on Embodiment 1, this embodiment proposes a concrete beam lifting assembly and a steel beam lifting assembly. The concrete beam lifting assembly includes a concrete beam hoisting overhead crane 20, which can slide on the overhead crane slide 21. The overhead crane slide 21 is fixed on the bottom cross beam 5. One end of the overhead crane slide 21 is fixedly connected to the longitudinal displacement oil cylinder 29 of the concrete hoisting overhead crane. The telescopic end of the longitudinal displacement oil cylinder 29 of the concrete hoisting overhead crane is connected to the concrete beam hoisting overhead crane 20. At the same time, a transverse displacement oil cylinder 30 of the concrete hoisting overhead crane can also be arranged in the concrete beam hoisting overhead crane 20. At the same time, a sliding plate is slidably arranged in the concrete beam hoisting overhead crane 20, and the concrete beam hoisting winch 33 is fixed on the sliding plate, so that the concrete beam hoisting winch 33 can move horizontally and longitudinally. The concrete beam hoisting winch 33 drives the connecting assembly to move vertically, and the connecting assembly is connected to the concrete beam 35 to drive the concrete beam 35 to move.

[0028] The connecting assembly includes a concrete beam hanger 22. The top of the concrete beam hanger 22 is connected to the extended frame 23 of the concrete beam hanger. The top of the extended frame 23 of the concrete beam hanger is connected to the lifting end of the concrete beam hoisting winch 33. The bottom of the concrete beam hanger 22 is connected to the hanger bracket 24. The inner side of the hanger bracket 24 is connected to the bracket screw 241. After the bracket screw 241 passes through the reserved hole on the concrete beam 35, the concrete beam 35 is fixed through the installation nut.

[0029] The steel beam lifting assembly includes a steel beam hoisting overhead crane 16 that can slide longitudinally on the upper cross beam 1. A longitudinal displacement oil cylinder 27 of the steel beam hoisting overhead crane is also connected to the corresponding upper cross beam 1. The telescopic end of the longitudinal displacement oil cylinder 27 of the steel beam hoisting overhead crane is connected to the steel beam hoisting overhead crane 16, which can drive the steel beam hoisting overhead crane 16 to move. A steel beam hoisting winch 32 is connected to the steel beam hoisting overhead crane 16. The lifting end of the steel beam hoisting winch 32 is connected to the slewing spreader 17. The bottom of the slewing spreader 17 is connected to the extended frame 19 of the steel beam hanger. The bottom of the extended frame 19 of the steel beam hanger is connected to the steel beam hanger 18, and the steel beam hanger 18 can be connected to the steel beam 34 to be installed.

[0030] A steel beam hanger attitude adjustment oil cylinder 28 is arranged between the top of the extended frame 19 of the steel beam hanger and one end of the steel beam hanger 18, and the steel beam hanger attitude adjustment oil cylinder 28 is respectively hinged to the two. A concrete beam hanger attitude adjustment oil cylinder 31 is connected between the top of the extended frame 23 of the concrete beam hanger and one end of the concrete hanger, and the concrete beam hanger attitude adjustment oil cylinder 31 is respectively hinged to the two.

[0031] Embodiment 4: Based on the deck crane of Embodiments 1 to 3, this embodiment proposes a construction method for composite beams, including the following steps: S1. Assembly; Weld the welding lugs on the top of the steel beam 34, and use a pin shaft to connect the slide rail 10 with the welding lugs on the top of the steel beam 34; Connect the upper cross beam 1, the lower cross beam 3, the bottom cross beam 5, the vertical pole 2, the cross bracing rod 4, the front strut 7, the rear tie rod 8 and the diagonal strut 6 at the corresponding positions, install the slide block 11 on the slide rail 10, and finally connect the lower cross beam 3 with the slide block 11; S2. Installation of the steel beam 34; a1. Position adjustment; Move the bridge deck crane along the slide rail 10 to the position to be installed, and adjust the position of the steel beam hoisting trolley 16 through the longitudinal movement oil cylinder 27 of the steel beam hoisting trolley; a2. Position fixing; The rear anchor rod 15 passes through the anchoring hole on the rear anchor beam 14 and is connected with the anchoring lifting lug on the steel beam 34 through a pin shaft to realize the anchoring of the bridge deck crane during operation; a3. Force system conversion; The front support oil cylinder 26 jacks up the bridge deck crane, the slide block 11 disengages from the slide rail 10, and then the base of the screw jack 9 is supported at the web position of the steel beam 34. The front support oil cylinder 26 of the bridge deck crane retracts and does not participate in the force, completing the force system conversion; a4. Hoisting and connection of the steel beam 34; The longitudinal movement oil cylinder 27 of the steel beam hoisting trolley pushes the steel beam hoisting trolley 16 and the steel beam hoisting winch 32 to the hoisting position. The steel beam hoisting winch 32 operates, and the slewing lifting tool 17, the steel beam lifting frame 18, the extension frame 19 of the steel beam lifting frame and the attitude adjustment oil cylinder 28 of the steel beam lifting frame are lowered to the hoisting height. The steel beam lifting frame 18 is connected with the lifting lug welded on the pre-assembled steel beam 34 through a pin shaft; The steel beam hoisting winch 32 operates, and the steel beam 34 is lifted to the assembly height. The attitude of the steel beam 34 is adjusted to be flush with the installed steel beam through the attitude adjustment oil cylinder 28 of the steel beam lifting frame. The longitudinal movement oil cylinder 27 of the steel beam hoisting trolley retracts, and the pre-assembled steel beam 34 is moved to the assembly position, and then the pre-assembled steel beam 34 is welded with the installed steel beam 34 to complete the installation of the steel beam 34. Finally, the connection between the steel beam lifting frame 18 and the newly installed steel beam 34 is released; S3. Position movement; Extend the front support oil cylinder 26 of the equipment to make the base of the screw jack 9 disengage from the top plate of the steel beam 34; After moving out the screw jack 9, the front support oil cylinder 26 retracts to make the slide block 11 contact with the slide rail 10, release the connection between the rear anchor rod 15 and the anchoring lifting lug of the steel beam 34, and the reverse pulley 12 contacts the upper flange of the slide rail 10 to prevent the equipment from tipping forward during walking. Insert the oil cylinder pushing seat 13 into the reserved groove on the top plate of the slide rail 10, and the walking oil cylinder 25 pushes the slide block 11 to move forward on the slide rail 10, thereby pushing the entire bridge deck crane forward. After the walking oil cylinder 25 moves one stroke, pull out the oil cylinder pushing seat 13 from the reserved groove, the walking oil cylinder 25 contracts to make the oil cylinder pushing seat 13 move forward, and the oil cylinder pushing seat 13 is inserted into the reserved groove again for the next forward movement of the bridge deck crane until it reaches the hoisting position of the concrete beam 35.

[0032] S4. Installation of the concrete beam 35; b1. Position adjustment: After moving the bridge deck crane along the slide rail 10 to the position to be installed, adjust the position of the concrete beam hoisting trolley 20 through the longitudinal moving oil cylinder 29 of the concrete hoisting trolley. b2. Position fixation: The rear anchor rod 15 passes through the anchoring hole on the rear anchor crossbeam 14 and is connected to the anchoring lifting lug on the steel beam 34 through a pin shaft to realize the anchoring of the bridge deck crane during operation. b3. Force system conversion: The front support oil cylinder 26 jacks up the bridge deck crane, and the sliding seat 11 disengages from the slide rail 10. Then, support the base of the screw jack 9 at the web position of the steel beam 34. The front support oil cylinder 26 of the bridge deck crane retracts and does not participate in the force, completing the force system conversion. b4. Hoisting and connecting the concrete beam 35: The longitudinal moving oil cylinder 29 of the concrete beam hoisting pushes the concrete beam hoisting trolley 20 and the concrete beam hoisting winch 33 to the hoisting position. The concrete beam hoisting winch 33 operates to lower the concrete beam hanger 22, the extended frame 23 of the concrete beam hanger, the bracket of the concrete beam hanger 22, the concrete beam bracket screw 241, and the attitude adjustment oil cylinder 31 of the concrete beam hanger to the hoisting height. Pass the concrete beam bracket screw 241 through the reserved hole of the pre-assembled concrete beam 35 and connect it to the bracket of the concrete beam hanger 22. After the connection is completed, the concrete beam hoisting winch 33 operates to lift the pre-assembled concrete beam 35 to the assembling height. Adjust the attitude of the concrete beam 35 to be flush with the already installed concrete beam 35 through the attitude adjustment oil cylinder 31 of the concrete beam hanger. The longitudinal moving oil cylinder 29 of the concrete beam hoisting retracts, moves the concrete beam 35 to the assembling position, and pushes the sliding seat 21 of the concrete beam hoisting trolley to adjust the lateral position of the concrete beam 35 through the transverse moving oil cylinder 30 of the concrete hoisting trolley. Then, weld the concrete beam 35 to the already installed steel beam 34 and bond the concrete beam 35 to the already installed concrete beam 35 to complete the installation of the concrete beam 35. Finally, disconnect the bracket of the concrete beam hanger 22 and the newly installed concrete beam 35. S5. Repeat steps S2 - S4 until the construction of the composite beam is completed.

[0033] Although the specific embodiments of the invention are described above in conjunction with the drawings, it is not a limitation of the protection scope of the invention. Based on the technical solutions of the invention, various modifications or deformations that can be made by those skilled in the art without creative labor are still within the protection scope of the invention.

Claims

1. An integral bridge deck crane for composite beams, characterized in that: It includes an upper cross beam (1) and a lower cross beam (3). The upper cross beam (1) and the lower cross beam (3) are arranged in a staggered manner. The upper cross beam (1) is connected to the lower cross beam (3) by vertical poles (2). Horizontally connected to the bottom of the lower cross beam (3) is a bottom cross beam (5), and concrete beam lifting assemblies are arranged at both ends of the bottom cross beam (5). A traveling assembly is connected to the bottom of the lower cross beam (3), and the crane is enabled to travel along the steel beam (34) through the traveling assembly. A support assembly is also connected to the bottom of the lower cross beam (3), and the crane is anchored to the steel beam (34) through the anchoring assembly. A steel beam lifting assembly is arranged at the front end of the upper cross beam (1).

2. The integral bridge deck crane for composite beams according to claim 1, characterized in that: The traveling assembly includes a slide rail (10) fixed on the top surface of the steel beam (34). A number of ear plates are connected to the top of the steel beam (34), and the slide rail (10) is connected to the ear plates through pin shafts. Correspondingly, a slide seat (11) is connected to the bottom of the lower cross beam (3), and the slide seat (11) can slide along the slide rail (10). A number of reserved slots are opened on the slide rail (10), and an oil cylinder pushing seat (13) can be inserted into the reserved slots. A traveling oil cylinder (25) is connected to the oil cylinder pushing seat (13), and the telescopic end of the traveling oil cylinder (25) is hinged to the slide seat (11). The telescoping of the traveling oil cylinder (25) can drive the slide seat (11) to slide along the slide rail (10).

3. The integral bridge deck crane of a composite beam according to claim 1, wherein: The anchoring assembly includes a rear anchor cross bar (14), which is connected to the rear end of the lower cross beam (3). Anchoring holes are opened on the rear anchor cross bar (14), and after the anchor rod passes through the anchoring holes, it is connected to the anchoring lifting ears fixed on the top of the steel beam (34).

4. The integral bridge deck crane of a composite beam according to claim 3, characterized in that: The anchoring assembly also includes front support oil cylinders (26) arranged outside the traveling assembly. The front support oil cylinders (26) are connected to both ends of the bottom cross beam (5), and screw jacks (9) are arranged outside the front support oil cylinders (26).

5. The integral bridge deck crane of a composite beam according to claim 1, wherein: The concrete beam lifting assembly includes a concrete beam hoisting overhead crane (20), which can slide on a trolley slide seat (21). The trolley slide seat (21) is fixed on the bottom cross beam (5). One end of the trolley slide seat (21) is fixedly connected to a longitudinal movement oil cylinder (29) of the concrete hoisting overhead crane. The telescopic end of the longitudinal movement oil cylinder (29) of the concrete hoisting overhead crane is connected to the concrete beam hoisting overhead crane (20). A concrete beam hoisting winch (33) is connected to the top of the concrete beam hoisting overhead crane (20). The concrete beam hoisting winch (33) drives the connection assembly to move vertically, and the connection assembly is connected to the concrete beam (35) to drive the concrete beam (35) to move.

6. The integral deck crane of a composite beam according to claim 5, wherein: The connection assembly includes a concrete beam hanger (22). The top of the concrete beam hanger (22) is connected to an extension frame (23) of the concrete beam hanger. The top of the extension frame (23) of the concrete beam hanger is connected to the lifting end of the concrete beam hoisting winch (33). The bottom of the concrete beam hanger (22) is connected to a hanger bracket (24). A bracket screw (241) is connected to the inner side of the hanger bracket (24). After the bracket screw (241) passes through the reserved hole on the concrete beam (35), the concrete beam (35) is fixed through a mounting nut.

7. The integral bridge deck crane of a composite beam according to claim 1 or 6, characterized in that: The steel beam hoisting assembly includes a steel beam hoisting crane (16) capable of longitudinally sliding on the upper cross beam (1). Corresponding to the upper cross beam (1), a longitudinal movement oil cylinder (27) of the steel beam hoisting crane is also connected. The telescopic end of the longitudinal movement oil cylinder (27) of the steel beam hoisting crane is connected to the steel beam hoisting crane (16) and can drive the steel beam hoisting crane (16) to move. A steel beam hoisting winch (32) is connected to the steel beam hoisting crane (16). The lifting end of the steel beam hoisting winch (32) is connected to a slewing spreader (17). The bottom of the slewing spreader (17) is connected to an extension frame (19) of the steel beam hanger. The bottom of the extension frame (19) of the steel beam hanger is connected to a steel beam hanger (18). The steel beam hanger (18) can be connected to the steel beam to be installed.

8. The integral bridge deck crane of a composite beam according to claim 7, characterized in that: An attitude adjustment oil cylinder (28) of the steel beam hanger is arranged between the top of the extension frame (19) of the steel beam hanger and one end of the steel beam hanger (18). The attitude adjustment oil cylinder (28) of the steel beam hanger is hinged to both of them respectively. An attitude adjustment oil cylinder (31) of the concrete beam hanger is connected between the top of the extension frame (23) of the concrete beam hanger and one end of the concrete hanger. The attitude adjustment oil cylinder (31) of the concrete beam hanger is hinged to both of them respectively.

9. The integral deck crane for composite beams according to claim 1, characterized in that: There are two groups of vertical poles (2). Several groups of cross connecting rods (4) for strengthening support are arranged between the two vertical poles (2). Diagonal braces (6) are respectively connected between the two sides of the upper cross beam (1) and the two ends of the bottom cross beam (5). A front pressure bar (7) is connected between the front ends of the upper cross beam (1) and the lower cross beam (3). A rear tension bar (8) is connected between the rear ends of the upper cross beam (1) and the lower cross beam (3). A stable structure is formed among the upper cross beam (1), the lower cross beam (3), the front pressure bar (7), the rear tension bar (8) and the vertical pole (2).

10. A construction method of a composite beam for a composite beam integral deck crane according to any one of claims 1-9, characterized in that, It includes the following steps: S1. Assembly: Weld ear plates on the top of the steel beam (34). Use a pin shaft to connect the slide rail (10) to the welded ear plates on the top of the steel beam (34). Connect the upper cross beam (1), the lower cross beam (3), the bottom cross beam (5), the vertical pole (2), the cross connecting rod (4), the front pressure bar (7), the rear tension bar (8) and the diagonal brace (6) according to the corresponding positions. Install the slide block (11) on the slide rail (10). Finally, connect the lower cross beam (3) to the slide block (11). S2. Steel beam installation; a1. Position adjustment: Move the bridge deck crane along the slide rail (10) to the position to be installed. Adjust the position of the steel beam hoisting crane (16) through the longitudinal movement oil cylinder (27) of the steel beam hoisting crane. a2. Position fixing: The rear anchor rod (15) passes through the anchoring hole on the rear anchor cross bar (14) and is connected to the anchoring lifting ear on the steel beam (34) through a pin shaft to realize the anchoring of the bridge deck crane during operation. a3. Force system conversion: The front support oil cylinder (26) jacks up the bridge deck crane, and the slide block (11) disengages from the slide rail (10). Then, support the base of the screw jack (9) at the web position of the steel beam (34). The front support oil cylinder (26) of the bridge deck crane retracts and does not participate in the force, completing the force system conversion. a4. Hoisting and connecting of steel beams; the longitudinal movement cylinder (27) of the overhead crane for steel beam hoisting pushes the overhead crane (16) for steel beam hoisting and the winch (32) for steel beam hoisting to the hoisting position. The winch (32) for steel beam hoisting operates to lower the slewing sling (17), the steel beam hanger (18), the extension frame (19) of the steel beam hanger and the posture adjustment cylinder (28) of the steel beam hanger to the hoisting height. The steel beam hanger (18) is connected to the lifting lug welded on the pre-assembled steel beam through a pin shaft. The winch (32) for steel beam hoisting operates to lift the steel beam (34) to the assembling height, and the posture of the steel beam is adjusted to be flush with the installed steel beam (34) through the posture adjustment cylinder (28) of the steel beam hanger. The longitudinal movement cylinder (27) of the overhead crane for steel beam hoisting retracts to move the pre-assembled steel beam to the assembling position, and then the pre-assembled steel beam is welded to the installed steel beam (34) to complete the installation of the steel beam (34). Finally, the connection between the steel beam hanger (18) and the newly installed steel beam is released. S3. Position movement; extend the front support cylinder (26) of the equipment to disengage the base of the screw jack (9) from the top plate of the steel beam (34). After moving out the screw jack (9), retract the front support cylinder (26) to make the sliding seat (11) contact with the slide rail (10). Disconnect the connection between the rear anchor rod (15) and the anchoring lug of the steel beam. The reverse pulley (12) contacts the upper flange of the slide rail (10) to prevent the equipment from tipping forward during walking. Insert the oil cylinder pushing seat (13) into the reserved groove on the top plate of the slide rail (10). The walking oil cylinder (25) pushes the sliding seat (11) to move forward on the slide rail (10), thereby pushing the entire bridge deck crane forward. After the walking oil cylinder (25) moves one stroke, pull out the oil cylinder pushing seat (13) from the reserved groove. The walking oil cylinder (25) contracts to move the oil cylinder pushing seat (13) forward, and the oil cylinder pushing seat (13) is inserted into the reserved groove again for the next forward movement of the bridge deck crane until it reaches the concrete beam hoisting position. S4. Installation of concrete beam b1. Position adjustment; after moving the bridge deck crane along the slide rail (10) to the position to be installed, adjust the position of the concrete beam hoisting overhead crane (20) through the longitudinal movement cylinder (29) of the concrete beam hoisting overhead crane. b2. Position fixation; the rear anchor rod (15) passes through the anchoring hole on the rear anchor cross bar (14) and is connected to the anchoring lug on the steel beam (34) through a pin shaft to realize the anchoring of the bridge deck crane during operation. b3. Force system conversion; the front support cylinder (26) jacks up the bridge deck crane, the sliding seat (11) disengages from the slide rail (10), and then the base of the screw jack (9) is supported at the web position of the steel beam (34). The front support cylinder (26) of the bridge deck crane retracts and does not participate in the force, completing the force system conversion. b4. Hoist and connect the concrete beam; the longitudinal movement oil cylinder (27) of the concrete beam hoisting pushes the overhead crane (20) and the winch (33) for hoisting the concrete beam to the hoisting position. The winch (33) for hoisting the concrete beam operates, and the hanger (22) of the concrete beam, the extension frame (23) of the hanger of the concrete beam, the bracket of the hanger (24), the bracket screw (241), and the attitude adjustment oil cylinder (31) of the hanger of the concrete beam are lowered to the hoisting height. The bracket screw (241) is passed through the reserved hole of the pre-assembled concrete beam (35) and connected to the bracket of the hanger (24); after the connection is completed, the winch (33) for hoisting the concrete beam operates, and the concrete beam (35) is lifted to the assembling height. The attitude of the concrete beam (35) is adjusted to be flush with the already installed concrete beam (35) through the attitude adjustment oil cylinder (31) of the hanger of the concrete beam. The longitudinal movement oil cylinder (27) of the concrete beam hoisting is retracted, and the pre-assembled concrete beam is moved to the assembling position. Then, the concrete beam (35) is welded to the already installed steel beam (34), and the pre-assembled concrete beam (35) is adhesively bonded to the already installed concrete beam (35) to complete the installation of the concrete beam (35). Finally, the bracket of the hanger (24) is disconnected from the newly installed concrete beam (35); S5. Repeat steps S2 - S4 until the construction of the composite beam is completed.

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