Lifting method for multi-purpose tower top gantry of suspension bridge

Abstract

The invention discloses a suspension bridge multi-purpose tower top gantry hoisting method which comprises a cross beam and a hook, the top of the cross beam is provided with a main truss, the top of the main truss is provided with two sets of top frames, the two sets of top frames are internally provided with guide sliding grooves, and transfer sliding plates are slidably installed in the guide sliding grooves; a protection frame is arranged at the end of the transfer sliding plate, winches are installed on the two sides of the interior of the protection frame, a steel wire rope is arranged on an output shaft in each winch in a winding mode, and a pulley block is slidably installed outside each steel wire rope. According to the hoisting method for the multi-purpose tower top portal of the suspension bridge, a set of protection frames can slide in a guiding sliding groove in a limited mode through the design of an adapter sliding plate to horizontally move, and meanwhile an adapter plate at the bottom of the set of protection frames can slide in a limited mode in a centrally-arranged frame through the design of rolling wheels arranged at the bottom; and auxiliary supporting is facilitated when a set of protection frames transversely move, and the stability of the protection frames is kept.

Description

Technical Field

[0001] The invention relates to the technical field of hoisting boxes, in particular to a method for hoisting a multi-purpose tower top gantry of a suspension bridge. Background Art

[0002] Lifting boxes are usually used when lifting a large number of small items. Lifting generally requires the cooperation of lifting equipment (or slings) to facilitate the storage of items in the lifting box for transportation, which is beneficial to the protective transportation of items in the lifting box.

[0003] For example, the utility model with application number CN201920934454.4 relates to a lifting structure of a new variable pitch box, including a lifting box, eyebolts, reinforcing ribs, and threaded sleeves, and the reinforcing ribs are U-shaped bent reinforcing ribs. The utility model has a compact structure and can achieve safe and reliable lifting of the variable pitch box without increasing the overall dimensions of the box. Currently, when the lifting box is lifted in conjunction with the lifting equipment, due to the lifting height and external wind factors, it is difficult to detect the level of the lifting box during the lifting process, and the lifting box may tilt significantly, resulting in damage to the cargo during transfer. When the lifting box is at a high place, it is difficult to detect the level of the lifting box in time to control the lifting speed, which poses a safety hazard. Summary of the invention

[0004] The object of the present invention is to provide a method for hoisting a multi-purpose tower top gantry of a suspension bridge to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a method for hoisting a multi-purpose tower top gantry of a suspension bridge, the method comprising the following operating steps; Step 1: The main truss of the tower top portal frame is assembled on the ground, hoisted as a whole, assembled on the tower top, and connected with node plate bolts to reduce the number of high-altitude welding and improve on-site construction efficiency; Step 2: The tower top grid and saddle body are hoisted on the top surface of the pedestal, a winch device is set on the gantry, and hoisted by a pulley group.

[0006] Preferably, a method for hoisting a multi-purpose tower top gantry of a suspension bridge, wherein a hoisting device used includes a crossbeam and a hook, a main truss is arranged on the top of the crossbeam, and a top frame is installed on the top of the main truss, two groups of top frames are provided, guide slide grooves are opened inside the two groups of top frames, and a transfer slide plate is slidably installed inside the guide slide groove, a protective frame is arranged at the end of the transfer slide plate, and a winch is installed on both sides of the inside of the protective frame, a steel wire rope is arranged on an output shaft for winding up the inside of the winch, and a pulley block is slidably installed on the outside of the steel wire rope, and the hook is arranged at the bottom of the pulley block.

[0007] Preferably, adapter slides are fixedly mounted on both sides of the protective frame, and the adapter slides are in a "Z"-shaped structure.

[0008] Preferably, a fixing plate is provided at the bottom of the inner part of the protection frame, and a winch is installed on the outer surface of one side of the fixing plate.

[0009] Preferably, an auxiliary frame is provided on the outer surface of the other side of the fixed plate, and the auxiliary frame includes a built-in groove, a camera and a gas rod. Auxiliary frames are opened on both sides of the auxiliary frame, and a camera is provided inside the auxiliary frame. A gas rod is installed on one side of the outer surface of the auxiliary frame.

[0010] Preferably, a protective frame is fixedly mounted on the end of the gas rod, two groups of auxiliary frames are symmetrically arranged about the center of the protective frame, and a steel wire rope is installed in the middle of the auxiliary frame.

[0011] Preferably, transmission gears are installed on both sides of the bottom of the protection frame through shafts, and four groups of transmission gears are provided, and the four groups of transmission gears are meshed with each other.

[0012] Preferably, the top frame includes a conveying crawler, a driving wheel, a driving shaft and a transmission gear, and driving wheels are meshedly installed at both ends of the conveying crawler, and one side of the driving wheel is connected to a servo motor through a driving shaft.

[0013] Preferably, the transmission gear is meshedly arranged inside the conveying crawler, and the conveying crawler is distributed in a one-to-one correspondence with respect to the top frame.

[0014] Preferably, an adapter plate is provided in the middle of the bottom of the protection frame, and a rolling wheel is installed at the bottom of the adapter plate, and a central frame is rotatably provided at the bottom of the rolling wheel.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the suspension bridge multi-purpose tower top gantry hoisting method can utilize the design of the servo motor and the drive shaft to drive the driving wheel to rotate, and the rotation of the driving wheel can drive the transmission crawler belt to drive, and then the transmission gear inside the transmission crawler belt will follow the meshing rotation, and a group of protection frames can utilize the design of the transfer slide plate to slide horizontally inside the guide slide slot, which is convenient for controlling the distance between the winches inside the two groups of protection frames, and is conducive to adaptive adjustment according to the hoisting object, and at the same time, the protection frame can maintain the stability and accuracy of the position when moving; In the method for hoisting the multi-purpose tower top gantry of the suspension bridge, the wire rope will be between the auxiliary frames when it is wound up, and the camera design inside the built-in slot of the auxiliary frame can be used to monitor the wire rope in real time during the winding process. The camera transmits signals through the 4 / 5G network, so that the signals monitored by the camera can be received and observed by the staff, which is conducive to quickly observing the wire rope that has been in a high position and outside for a long time, avoiding the failure to discover the wire breakage or wear in time, and improving the safety protection effect. In addition, the design of the winch can drive the wire rope to change the position due to the winding amount during the winding process, and the design of the gas rod can drive the auxiliary frame to move, so that the wire rope can always be in the middle of the auxiliary frame, so that the design of the camera can always cooperate with the continuous safety monitoring of the wire rope; The method for hoisting the multi-purpose tower top gantry of a suspension bridge is that a group of protection frames can move horizontally in a guide slide groove by utilizing the design of a transfer slide plate to limit sliding, and at the same time, the transfer plate at the bottom of a group of protection frames can slide in a middle frame by utilizing the design of a rolling wheel arranged at the bottom, which is beneficial for providing auxiliary support when a group of protection frames move horizontally, thereby maintaining the stability of the protection frames. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a method for hoisting a multi-purpose tower top gantry of a suspension bridge according to the present invention; Figure 2 It is a schematic diagram of the distribution structure of the transfer slide plate and the guide slide groove of a suspension bridge multi-purpose tower top gantry hoisting method of the present invention; Figure 3 It is a schematic diagram of a partial structure of a top view of a method for hoisting a multi-purpose tower top gantry of a suspension bridge according to the present invention; Figure 4 It is a schematic diagram of the partial deployment structure of the winch and the middle frame of a suspension bridge multi-purpose tower top gantry hoisting method of the present invention; Figure 5 It is a schematic diagram of the transmission crawler connection structure of a method for hoisting a multi-purpose tower top gantry of a suspension bridge according to the present invention; Figure 6 It is a schematic diagram of the top frame structure when viewed from above of a method for hoisting a multi-purpose tower top gantry of a suspension bridge according to the present invention; Figure 7 A method for hoisting a multi-purpose tower top gantry of a suspension bridge according to the present invention Figure 6 Enlarged structural diagram at A in the middle.

[0017] In the figure: 1. crossbeam; 2. main truss; 3. top frame; 4. protection frame; 5. transfer slide; 6. guide slide; 7. center frame; 8. winch; 9. fixed plate; 10. transfer plate; 11. hook; 12. conveyor track; 13. driving wheel; 14. driving shaft; 15. transmission gear; 16. auxiliary frame; 17. built-in groove; 18. camera; 19. gas rod; 20. wire rope; 21. pulley block; 22. rolling wheel. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figure 1-Figure 7 As shown, the present invention provides a technical solution: the method for hoisting the multi-purpose tower top gantry of the suspension bridge includes the following operating steps: Step 1: The main truss of the tower top portal frame is assembled on the ground, hoisted as a whole, assembled on the tower top, and connected with node plate bolts to reduce the number of high-altitude welding and improve on-site construction efficiency; Step 2: hoist the tower top grid and saddle body on the top surface of the pedestal, set a winch device on the gantry, and hoist them through the pulley group; A method for hoisting a multi-purpose tower top gantry of a suspension bridge, wherein a hoisting device used includes a crossbeam 1, a main truss 2, a top frame 3, a protective frame 4, a transfer slide 5, a guide slide 6, a middle frame 7, a winch 8, a fixed plate 9, a transfer plate 10, a hook 11, a transmission crawler 12, a driving wheel 13, a driving shaft 14, a transmission gear 15, an auxiliary frame 16, a built-in groove 17, a camera 18, a gas rod 19, a wire rope 20, a pulley block 21 and a rolling wheel 22. The top of the crossbeam 1 is provided with a main truss 2, and the top frame 3 is installed on the top of the main truss 2. The top frame 3 includes a transmission crawler 12, a driving wheel 13, a driving shaft 14, a transmission gear 15, an auxiliary frame 16, a built-in groove 17, a camera 18, a gas rod 19, a wire rope 20, a pulley block 21 and a rolling wheel 22. The transmission track 12 is provided with a driving wheel 13 at both ends thereof, one side of the driving wheel 13 is connected to a servo motor through a driving shaft 14, two groups of top frames 3 are provided, guide slides 6 are provided inside the two groups of top frames 3, and a transfer slide 5 is slidably installed inside the guide slide 6, a protective frame 4 is provided at the end of the transfer slide 5, and winches 8 are installed on both sides of the protective frame 4, a transfer plate 10 is provided at the middle of the bottom of the protective frame 4, and a rolling wheel 22 is installed at the bottom of the transfer plate 10, and a middle frame 7 is provided at the bottom of the rolling wheel 22, which can be used to rotate by the servo motor The design of the driving shaft 14 can drive the driving wheel 13 to rotate, and the rotation of the driving wheel 13 can drive the transmission crawler 12 to transmit, and then the transmission gear 15 inside the transmission crawler 12 will rotate with the meshing, and a group of protection frames 4 can use the design of the transfer slide plate 5 to limit the sliding movement inside the guide slide groove 6. At the same time, the transfer plate 10 at the bottom of a group of protection frames 4 can use the design of the rolling wheel 22 provided at the bottom to limit the sliding movement inside the middle frame 7, which is conducive to auxiliary support when a group of protection frames 4 move horizontally, and maintain the stability of the protection frame 4. Transmission gears are installed on both sides of the bottom of the protection frame 4 through the shaft The protective frame 4 is provided with a fixed plate 9 at the bottom, and a winch 8 is installed on the outer surface of one side of the fixed plate 9. The two sides of the protective frame 4 are fixedly installed with a transfer slide 5, and the transfer slide 5 is in a "Z" shape. A steel wire rope 20 is wound on an output shaft of the winch 8, and a pulley block 21 is installed on the outside of the steel wire rope 20. The hook 11 is arranged at the bottom of the pulley block 21.Through the design of the winch 8 and the cooperation of the pulley group 21 and the wire rope 20, it is convenient to hoist and lift the hanging objects at the bottom of the hook 11. The protection frame 4 is provided with two groups. The bottom of one group of protection frames 4 is fixedly connected to the top frame 3, so that the design of the servo motor and the drive shaft 14 can be used to drive the driving wheel 13 to rotate. The rotation of the driving wheel 13 can drive the transmission crawler 12 to drive, and then the transmission gear 15 inside the transmission crawler 12 will follow the meshing rotation. One group of protection frames 4 can use the design of the transfer slide 5 to slide horizontally inside the guide slide 6, which is convenient for controlling the distance between the winches 8 inside the two groups of protection frames 4, which is conducive to adaptive adjustment according to the hoisting objects. At the same time, the protection frame 4 can maintain the stability and accuracy of the position when moving. ,

[0020] An auxiliary frame 16 is provided on the outer surface of the other side of the fixed plate 9, and the auxiliary frame 16 includes a built-in groove 17, a camera 18 and a gas rod 19. Auxiliary frames 16 are opened on both sides of the auxiliary frame 16, and a camera 18 is provided inside the auxiliary frame 16. A gas rod 19 is installed on one side of the outer surface of the auxiliary frame 16, and a protective frame 4 is fixedly installed on the end of the gas rod 19. The auxiliary frame 16 is symmetrically arranged with two groups about the center of the protective frame 4. A steel wire rope 20 is installed in the middle of the auxiliary frame 16. The design of the winch 8 can drive the steel wire rope 20 to be wound. When the steel wire rope 20 is wound, it will be between the auxiliary frames 16, and the camera 18 inside the built-in groove 17 in the auxiliary frame 16 can be used to design the winding process. The wire rope 20 is monitored in real time, and the camera 18 transmits signals through the 4 / 5G network, so that the signals monitored by the camera 18 can be received and observed by the staff, which is conducive to quickly observing the wire rope 20 that is in a high position and outside for a long time, avoiding the failure to discover the wire breakage or wear in time, and improving the safety protection effect. In addition, the design of the winch 8 can drive the wire rope 20 to be wound during the winding process. The position of the wire rope 20 will change due to the winding amount. The design of the air rod 19 can drive the auxiliary frame 16 to move, so that the wire rope 20 can always be in the middle of the auxiliary frame 16, so as to always cooperate with the design of the camera 18 to continuously monitor the wire rope 20 safely.

[0021] The method for hoisting the multi-purpose tower top gantry of the suspension bridge is as follows: the main trusses of the tower top gantry are assembled on the ground, hoisted as a whole, assembled on the tower top, and connected by node plate bolts, so as to reduce the number of high-altitude welding and improve the efficiency of on-site construction. After the assembly is completed, during hoisting, the design of the winch 8 and the cooperation of the pulley group 21 and the wire rope 20 are used to facilitate the hoisting and lifting of the hanging objects at the bottom of the hook 11. Two groups of protective frames 4 are provided, and the bottom of one group of protective frames 4 is fixedly connected to the top frame 3, so that the design of the servo motor and the driving shaft 14 can be used to drive the driving wheel 13 to rotate, and the rotation of the driving wheel 13 can drive the transmission crawler 12 to drive, and the transmission is carried out. The transmission gear 15 inside the transmission crawler 12 will rotate with the meshing, and a set of protection frames 4 can use the design of the transfer slide plate 5 to slide horizontally in the guide slide groove 6, which is convenient for controlling the distance between the winches 8 inside the two sets of protection frames 4, and is conducive to adaptive adjustment according to the hoisting object. At the same time, the protection frame 4 can maintain the stability and accuracy of the position when moving. In addition, the design of the servo motor and the drive shaft 14 can be used to drive the driving wheel 13 to rotate, and the rotation of the driving wheel 13 can drive the transmission crawler 12 to rotate, and then the transmission gear 15 inside the transmission crawler 12 will rotate with the meshing, and a set of protection frames 4 can be used to control the distance between the winches 8 inside the two sets of protection frames 4, and is conducive to adaptive adjustment according to the hoisting object. At the same time, the protection frame 4 can maintain the stability and accuracy of the position when moving. In addition, the design of the servo motor and the drive shaft 14 can be used to drive the driving wheel 13 to rotate, and the rotation of the driving wheel 13 can drive the transmission of the transmission crawler 12 ... The guard frame 4 can move horizontally inside the guide slide groove 6 by means of the design of the transfer slide plate 5. At the same time, the transfer plate 10 at the bottom of a group of guard frames 4 can slide within the middle frame 7 by means of the design of the rolling wheel 22 provided at the bottom, which is conducive to providing auxiliary support when a group of guard frames 4 move horizontally, and maintaining the stability of the guard frame 4. Finally, the design of the winch 8 can drive the wire rope 20 to be wound. When the wire rope 20 is wound, it will be between the auxiliary frames 16. The camera 18 designed inside the built-in groove 17 in the auxiliary frame 16 can be used to monitor the wire rope 20 in real time during the winding process. The camera 18 is through 4 / 5 G network for signal transmission, so that the signal monitored by the camera 18 can be received and observed by the staff, which is conducive to quickly observing the wire rope 20 that is in a high position and outside for a long time, avoiding the failure to timely discover the breakage or wear of the wire, and improving the safety protection effect. In addition, the design of the winch 8 can drive the wire rope 20 to be wound during the winding process. The position of the wire rope 20 will change due to the winding amount. The design of the gas rod 19 can drive the auxiliary frame 16 to move, so that the wire rope 20 can always be in the middle of the auxiliary frame 16, which is convenient for always cooperating with the design of the camera 18 to continuously monitor the wire rope 20.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for hoisting a multi-purpose tower top gantry of a suspension bridge, characterized in that: The method for hoisting the multi-purpose tower top gantry of a suspension bridge comprises the following operating steps: Step 1: The main truss of the tower top portal frame is assembled on the ground, hoisted as a whole, assembled on the tower top, and connected with node plate bolts to reduce the number of high-altitude welding and improve on-site construction efficiency; Step 2: The tower top grid and saddle body are hoisted on the top surface of the pedestal, a winch device is set on the gantry, and hoisted by a pulley group.

2. A method for hoisting a multi-purpose tower top gantry of a suspension bridge, characterized in that: The hoisting device used therein comprises a crossbeam (1) and a hook (11), a main truss (2) is arranged on the top of the crossbeam (1), and a top frame (3) is installed on the top of the main truss (2), two groups of top frames (3) are arranged, guide grooves (6) are opened inside the two groups of top frames (3), and a transfer slide (5) is slidably installed inside the guide groove (6), a protective frame (4) is arranged at the end of the transfer slide (5), and a winch (8) is installed on both sides of the inside of the protective frame (4), a steel wire rope (20) is arranged on an output shaft for winding inside the winch (8), and a pulley block (21) is slidably installed outside the steel wire rope (20), and the hook (11) is arranged at the bottom of the pulley block (21).

3. A method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 2, characterized in that: Transfer slides (5) are fixedly mounted on both sides of the protection frame (4), and the transfer slides (5) are in a "Z"-shaped structure.

4. The method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 2, characterized in that: A fixing plate (9) is provided at the bottom of the interior of the protection frame (4), and a winch (8) is installed on the outer surface of one side of the fixing plate (9).

5. A method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 4, characterized in that: An auxiliary frame (16) is provided on the outer surface of the other side of the fixing plate (9), and the auxiliary frame (16) comprises a built-in groove (17), a camera (18) and a gas rod (19); auxiliary frames (16) are provided on both sides of the auxiliary frame (16), and a camera (18) is provided inside the auxiliary frame (16); and a gas rod (19) is installed on one side of the outer surface of the auxiliary frame (16).

6. A method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 5, characterized in that: A protective frame (4) is fixedly mounted on the end of the gas rod (19), two groups of the auxiliary frames (16) are symmetrically arranged about the center of the protective frame (4), and a steel wire rope (20) is mounted in the middle of the auxiliary frames (16).

7. The method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 2, characterized in that: Transmission gears (15) are installed on both sides of the bottom of the protection frame (4) via shafts, and four groups of transmission gears (15) are provided, and the four groups of transmission gears (15) are meshed with each other.

8. The method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 7, characterized in that: The top frame (3) comprises a conveying crawler belt (12), a driving wheel (13), a driving shaft (14) and a transmission gear (15), and the driving wheels (13) are meshedly mounted at both ends of the conveying crawler belt (12), and one side of the driving wheel (13) is connected to a servo motor via the driving shaft (14).

9. A method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 8, characterized in that: The transmission gear (15) is meshedly arranged inside the transmission crawler belt (12), and the transmission crawler belts (12) are distributed in a one-to-one correspondence with respect to the top frame (3).

10. The method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 2, characterized in that: An adapter plate (10) is arranged in the middle of the bottom of the protection frame (4), and a rolling wheel (22) is installed at the bottom of the adapter plate (10), and a middle frame (7) is rotatably arranged at the bottom of the rolling wheel (22).

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