Suspension bridge multi-purpose tower top gantry hoisting method

Abstract

The application discloses a suspension bridge multipurpose 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, and the top of the main truss is provided with a top frame. The top frame is provided with two groups. The inside of the two groups of top frames is provided with a guide sliding groove, and the inside of the guide sliding groove is slidably provided with an adapter sliding plate. The end of the adapter sliding plate is provided with a protective frame, and the inside of the protective frame is provided with a winch on both sides. The inside of the winch is provided with a steel wire rope, and the outside of the steel wire rope is slidably provided with a pulley block. The suspension bridge multipurpose tower top gantry hoisting method can limit the horizontal movement of one group of protective frames in the guide sliding groove by the design of the adapter sliding plate, and the adapter plate at the bottom of the one group of protective frames can limit the sliding movement in the middle frame by the design of the rolling wheels arranged at the bottom, so that auxiliary support is facilitated when the one group of protective frames moves horizontally, and the stability of the protective frame is maintained.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hoisting box, in particular to a suspension bridge multi-purpose tower top gantry hoisting method. BACKGROUND

[0002] When hoisting a large number of small items, a hoisting box is usually used. Hoisting generally needs to be assisted by a lifting tool (or lifting sling) to facilitate the transfer of the items stored in the hoisting box, which is conducive to the protective transportation of the items in the hoisting box.

[0003] For example, the utility model with application number CN201920934454.4 relates to a hoisting structure of a novel variable-pitch box, which comprises a hoisting box, a lifting ring screw, a reinforcing rib, a threaded sleeve, and the reinforcing rib is a U-shaped bent reinforcing rib. The utility model structure is compact, and safe and reliable hoisting of the variable-pitch box is realized without increasing the size of the box. Currently, when the hoisting box is hoisted in cooperation with the lifting tool, due to the hoisting height and external wind factors, it is difficult to detect the level of the hoisting box during hoisting, which may result in damage to the goods during transfer. When the hoisting box is at a high place, it is difficult to control the hoisting speed in time according to the level of the hoisting box, which poses a safety hazard. SUMMARY

[0004] The present application aims to provide a suspension bridge multi-purpose tower top gantry hoisting method to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a suspension bridge multi-purpose tower top gantry hoisting method, which comprises the following operation steps:

[0006] Step 1: The tower top gantry main truss is assembled on the ground, hoisted as a whole, and the tower top is assembled. Node plate bolts are used for connection to reduce the number of high-altitude welds and improve the efficiency of on-site construction.

[0007] Step 2: The tower top grid and the saddle are hoisted on the top surface of the pile cap. A winch device is provided on the gantry, and the hoisting is carried out through a trolley group.

[0008] Preferably, the suspension bridge multi-purpose tower top gantry hoisting method uses a winch device comprising a cross beam and a hook. The top of the cross beam is provided with a main truss, and the top of the main truss is provided with a top frame. The top frame is provided with two groups. The inside of each group of the top frame is provided with a guide sliding groove, and the inside of the guide sliding groove is provided with a sliding adapter plate. The end of the adapter plate is provided with a protective frame, and the inside of the protective frame is provided with a winch on both sides. A steel wire rope is wound around an output shaft inside the winch. The outside of the steel wire rope is provided with a pulley block. The hook is provided at the bottom of the pulley block.

[0009] Preferably, the two sides of the protective frame are fixedly provided with adapter sliding plates, and the adapter sliding plates are in "Z" shape.

[0010] Preferably, the inside bottom of the protective frame is provided with a fixed plate, and the outer surface of one side of the fixed plate is provided with a winch.

[0011] Preferably, the other outer surface of the fixed plate is provided with an auxiliary frame, and the auxiliary frame comprises an embedded groove, a camera and an air cylinder, the inside of the auxiliary frame is provided with the camera, and the outer surface of one side of the auxiliary frame is provided with the air cylinder.

[0012] Preferably, the end of the air cylinder is fixedly provided with a protective frame, the auxiliary frame is symmetrically provided with two groups about the center of the protective frame, and the middle of the auxiliary frame is provided with a steel wire rope.

[0013] Preferably, the bottom of the protective frame is provided with transmission gears through shafts, and the transmission gears are provided with four groups, and the transmission gears are meshed with each other.

[0014] Preferably, the top frame comprises a conveying track, a driving wheel, a drive shaft and a transmission gear, and the inside of the conveying track is meshed with the driving wheel at both ends, and the side of the driving wheel is connected with a servo motor through the drive shaft.

[0015] Preferably, the transmission gear is meshed in the inside of the conveying track, and the conveying track is distributed one-to-one about the top frame.

[0016] Preferably, the middle of the bottom of the protective frame is provided with an adapter plate, and the bottom of the adapter plate is provided with a rolling wheel, and the bottom of the rolling wheel is rollingly provided with a middle stand.

[0017] Compared with the prior art, the beneficial effects of the present application are as follows: the suspension bridge multi-purpose tower top frame hoisting method can drive the driving wheel to rotate by the design of the servo motor and the drive shaft, drive the conveying track by the rotation of the driving wheel, and then the transmission gears in the inside of the conveying track will follow the meshing rotation, one group of protective frames can be limited to slide in the guide sliding groove by the design of the adapter sliding plate, which is convenient for controlling the distance between the winches in the two groups of protective frames, which is conducive to adapting and adjusting according to the hoisted objects, and the stability and accuracy of the position movement of the protective frame during movement can be ensured.

[0018] The steel wire rope is between the auxiliary frames during winding, the steel wire rope during winding can be monitored in real time by using the camera inside the built-in groove in the auxiliary frame, the camera transmits signals through 4 / 5G network, so that the signals monitored by the camera can be received and observed by the staff, which is favorable for observing the steel wire rope which is long and external, avoiding the situation that the broken wire or wear cannot be found in time, improving the safety protection effect, and the design of the winch can drive the steel wire rope to move during winding, the position of the steel wire rope will change, the design of the air rod can drive the auxiliary frame to move, so that the steel wire rope can always be in the middle of the auxiliary frame, which is convenient for continuously and safely monitoring the steel wire rope by cooperating with the design of the camera;

[0019] The set of protection frames can be limited to slide horizontally in the guide sliding groove by the design of the adapter slide plate, and the adapter plate at the bottom of the set of protection frames can be limited to slide in the middle stand by the design of the rolling wheels arranged at the bottom, which is favorable for assisting and supporting the transverse movement of the set of protection frames and keeping the stability of the protection frames. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the suspension bridge multi-purpose tower top gantry hoisting method;

[0021] Figure 2 It is a distribution structure schematic view of the adapter slide plate and the guide sliding groove of the suspension bridge multi-purpose tower top gantry hoisting method;

[0022] Figure 3 It is a top view partial structure schematic view of the suspension bridge multi-purpose tower top gantry hoisting method;

[0023] Figure 4 It is a local expansion structure schematic view of the winch and the middle stand of the suspension bridge multi-purpose tower top gantry hoisting method;

[0024] Figure 5 It is a transmission caterpillar connection structure schematic view of the suspension bridge multi-purpose tower top gantry hoisting method;

[0025] Figure 6 It is a top view structure schematic view of the suspension bridge multi-purpose tower top gantry hoisting method;

[0026] Figure 7 It is a Figure 6 It is an enlarged structure schematic view of the middle A.

[0027] In the diagram: 1. Crossbeam; 2. Main truss; 3. Top frame; 4. Protective frame; 5. Transfer slide plate; 6. Guide chute; 7. Central frame; 8. Winch; 9. Fixed plate; 10. Transfer plate; 11. Hook; 12. Conveyor belt; 13. Drive wheel; 14. Drive shaft; 15. Transmission gear; 16. Auxiliary frame; 17. Internal slot; 18. Camera; 19. Pneumatic rod; 20. Wire rope; 21. Pulley block; 22. Rolling wheel. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] like Figures 1-7 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 operational steps:

[0030] Step 1: The main truss of the tower top gantry is assembled on the ground, hoisted as a whole, and assembled at the top of the tower. It is connected by bolts on the node plates to reduce the amount of high-altitude welding and improve on-site construction efficiency.

[0031] Step two: The tower top grid and saddle body are lifted from the top surface of the pier, and a hoisting device is installed on the gantry to lift them by means of a pulley block;

[0032] A suspension bridge multi-purpose tower top gantry hoisting method, wherein the winch device used includes cross beam 1, main truss 2, top frame 3, protective frame 4, adapter sliding plate 5, guide chute 6, middle rack 7, winch 8, fixed plate 9, adapter plate 10, hook 11, conveying crawler 12, driving wheel 13, drive shaft 14, transmission gear 15, auxiliary frame 16, built-in slot 17, camera 18, air rod 19, steel wire rope 20, pulley block 21 and rolling wheel 22, the top of the cross beam 1 is provided with the main truss 2, and the top of the main truss 2 is provided with the top frame 3, the top frame 3 includes the conveying crawler 12, the driving wheel 13, the drive shaft 14 and the transmission gear 15, and the conveying crawler 12 is internally engaged at both ends with the driving wheel 13, one side of the driving wheel 13 is connected with a servo motor through the drive shaft 14, the top frame 3 is provided with two groups, the interiors of the two groups of top frames 3 are provided with the guide chute 6, and the guide chute 6 is internally and slidably provided with the adapter sliding plate 5, the end of the adapter sliding plate 5 is provided with the protective frame 4, and the interiors of the two sides of the protective frame 4 are internally provided with the winch 8, the middle part of the bottom of the protective frame 4 is provided with the adapter plate 10, and the bottom of the adapter plate 10 is provided with the rolling wheel 22, and the bottom of the rolling wheel 22 is rollingly provided with the middle rack 7, the servo motor and the drive shaft 14 can be used to drive the driving wheel 13 to rotate, the driving wheel 13 can drive the conveying crawler 12 to rotate, and the transmission gear 15 in the conveying crawler 12 will rotate in meshing, one group of protective frames 4 can be limited to slide horizontally in the guide chute 6 by the design of the adapter sliding plate 5, and at the same time, the adapter plate 10 at the bottom of one group of protective frames 4 can be limited to slide in the middle rack 7 by the design of the rolling wheel 22 provided at the bottom, which is helpful for auxiliary support when one group of protective frames 4 moves horizontally, maintains the stability of the protective frame 4, the bottom of the protective frame 4 is provided with the transmission gear 15 through a shaft, and the transmission gear 15 is provided with four groups, the transmission gear 15 is meshingly arranged in the conveying crawler 12, and the conveying crawler 12 is distributed in one-to-one correspondence about the top frame 3, the four groups of transmission gears 15 are meshed with each other, the protective frame 4 is provided with the fixed plate 9 at the bottom, one side of the fixed plate 9 is provided with the winch 8 on the outer surface, the two sides of the protective frame 4 are fixedly provided with the adapter sliding plate 5, and the adapter sliding plate 5 is in a "Z" shape, the winch 8 is internally provided with the steel wire rope 20, the outside of the steel wire rope 20 is slidably provided with the pulley block 21, the hook 11 is arranged at the bottom of the pulley block 21,The hook 11 bottom suspension lifting is facilitated by the design of the winch 8 and the cooperation of the pulley block 21 and the steel wire rope 20. The protection frame 4 is provided with two groups. One group of protection frame 4 is fixedly connected with the top frame 3 at the bottom, so that 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 track 12 to rotate, and the transmission gear 15 inside the transmission track 12 will rotate in meshing. One group of protection frame 4 can be limited to slide in the guide chute 6 by the design of the adapter sliding plate 5, which can facilitate the horizontal movement of the protection frame 4 inside the guide chute 6. The distance between the two groups of protection frame 4 can be controlled by the winch 8, which is beneficial to the adjustment according to the lifting object. At the same time, the protection frame 4 can move stably and accurately when moving.

[0033] The other side of the fixed plate 9 is provided with an auxiliary frame 16, and the auxiliary frame 16 includes an inner groove 17, a camera 18 and an air rod 19. The auxiliary frame 16 is provided with an auxiliary frame 16 on both sides, and the auxiliary frame 16 is provided with a camera 18 inside. The air rod 19 is installed on one side of the outer surface of the auxiliary frame 16. The end of the air rod 19 is fixedly installed with the protection frame 4. The auxiliary frame 16 is symmetrically provided with two groups about the center of the protection frame 4. The auxiliary frame 16 is provided with a steel wire rope 20 in the middle. The winch 8 can drive the steel wire rope 20 to be wound. The steel wire rope 20 will be between the auxiliary frames 16 when it is wound. The camera 18 inside the inner groove 17 of the auxiliary frame 16 can be used to monitor the steel wire rope 20 in real time during winding. The camera 18 transmits signals through 4 / 5G network, so that the signals monitored by the camera 18 can be received and observed by the staff. It is beneficial to quickly observe the steel wire rope 20 which is long and external, so as to avoid the situation that the broken wire or wear cannot be found in time, improve the safety protection effect. In addition, the winch 8 can drive the steel wire rope 20 to be wound, and the position of the steel 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 steel wire rope 20 can always be in the middle of the auxiliary frame 16, which is convenient for the continuous and safe monitoring of the steel wire rope 20 by the camera 18.

[0034] The suspension bridge multi-purpose tower top gantry hoisting method, the tower top gantry main truss is assembled on the ground, hoisted as a whole, the tower top is assembled, connected by node plate bolts, reduces the number of high-altitude welding, improves the efficiency of on-site construction, after assembly, hoisting, through the design of winch 8 and the cooperation of pulley block 21 and steel wire rope 20, the bottom suspension of hook 11 is hoisted and lifted, the protection frame 4 is provided with two groups, one group of protection frame 4 is fixedly connected with the top frame 3 at the bottom, so that the design of servo motor and drive shaft 14 can drive the driving wheel 13 to rotate, the transmission track 12 inside the transmission track 12 can be driven to rotate by the rotation of the driving wheel 13, and the transmission gear 15 inside the transmission track 12 can be driven to rotate by the rotation of the driving wheel 13, one group of protection frame 4 can be limited to slide in the guide sliding groove 6 by the design of the adapter sliding plate 5, which is convenient for controlling the distance between the two groups of protection frame 4, which is convenient for adjusting according to the hoisting object, and the stability and accuracy of the position movement can be ensured during the movement of the protection frame 4, in addition, the design of servo motor and drive shaft 14 can drive the driving wheel 13 to rotate, the transmission track 12 inside the transmission track 12 can be driven to rotate by the rotation of the driving wheel 13, and the transmission gear 15 inside the transmission track 12 can be driven to rotate by the rotation of the driving wheel 13, one group of protection frame 4 can be limited to slide in the guide sliding groove 6 by the design of the adapter sliding plate 5, and the adapter plate 10 at the bottom of one group of protection frame 4 can be limited to slide in the middle stand 7 by the design of the rolling wheel 22 at the bottom, which is convenient for auxiliary support during the transverse movement of one group of protection frame 4, and the stability of the protection frame 4 is maintained, finally, the design of winch 8 can drive the steel wire rope 20 to be wound, the steel wire rope 20 will be between the auxiliary frames 16 during winding, the steel wire rope 20 during winding can be monitored in real time by the design of the camera 18 in the slot 17 in the auxiliary frame 16, the signal monitored by the camera 18 can be received and observed by the staff through 4 / 5G network signal transmission, which is convenient for quickly observing the steel wire rope 20 which is long and external, avoiding the situation that the broken wire or wear cannot be found in time, improving the safety protection effect, in addition, through the design of winch 8, the steel wire rope 20 will change position during winding, through the design of air rod 19, the auxiliary frame 16 can be moved, so that the steel wire rope 20 can always be in the middle of the auxiliary frame 16, which is convenient for continuously monitoring the safety of the steel wire rope 20 by the design of the camera 18.

[0035] 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, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A method for hoisting a multi-purpose tower top gantry frame of a suspension bridge, characterized in that: The method for hoisting the multi-purpose tower top gantry of the suspension bridge includes the following steps; Step 1: The main truss of the tower top gantry is assembled on the ground, hoisted as a whole, and assembled at the top of the tower. It is connected by bolts on the node plates to reduce the amount of high-altitude welding and improve on-site construction efficiency. Step two: The tower top grid and saddle body are lifted from the top surface of the pier, and a hoisting device is installed on the gantry to lift them by means of a pulley block; The winch device used includes a crossbeam (1) and a hook (11). The top of the crossbeam (1) is provided with a main truss (2), and the top of the main truss (2) is provided with a top frame (3). The top frame (3) is provided with two sets. The interior of the two sets of top frames (3) is provided with a guide groove (6), and the interior of the guide groove (6) is provided with a sliding transfer plate (5). The end of the sliding transfer plate (5) is provided with a protective frame (4), and the interior of the protective frame (4) is provided with winches (8). The output shaft inside the winch (8) is provided with a wire rope (20), and the exterior of the wire rope (20) is provided with a pulley block (21). The hook (11) is provided at the bottom of the pulley block (21). The bottom of the protective frame (4) is provided with a fixing plate (9), and a winch (8) is installed on one side of the outer surface of the fixing plate (9). An auxiliary frame (16) is provided on the outer surface of the other side of the fixing plate (9), and the auxiliary frame (16) includes an internal slot (17), a camera (18) and an air rod (19). The auxiliary frame (16) is provided on both sides inside the auxiliary frame (16), and the camera (18) is provided inside the auxiliary frame (16). An air rod (19) is installed on one side of the outer surface of the auxiliary frame (16).

2. The method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 1, characterized in that: The protective frame (4) is fixedly installed with a transition plate (5) on both sides, and the transition plate (5) has a "Z" shaped structure.

3. The method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 1, characterized in that: The end of the air rod (19) is fixedly installed with a protective frame (4), and two sets of auxiliary frames (16) are symmetrically arranged about the center of the protective frame (4). A steel wire rope (20) is installed in the middle of the auxiliary frame (16).

4. The method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 1, characterized in that: The bottom sides of the protective frame (4) are equipped with transmission gears (15) via shafts, and there are four sets of transmission gears (15), which mesh with each other.

5. The method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 4, characterized in that: The top frame (3) includes a conveyor belt (12), a drive wheel (13), a drive shaft (14) and a transmission gear (15). Both ends of the conveyor belt (12) are fitted with drive wheels (13). One side of the drive wheel (13) is connected to a servo motor via the drive shaft (14).

6. The method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 5, characterized in that: The transmission gear (15) is meshed inside the conveyor belt (12), and the conveyor belt (12) is distributed in a one-to-one correspondence with the top frame (3).

7. The method for hoisting a multi-purpose tower top gantry of a suspension bridge according to claim 1, characterized in that: The protective frame (4) has a transition plate (10) at the bottom center, and a roller (22) is installed at the bottom of the transition plate (10). A central frame (7) is rolled at the bottom of the roller (22).

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