Emergency closing structure of shipyard portal crane rail

Abstract

The utility model discloses a shipyard gantry crane rail emergency closing structure which comprises a gantry crane frame and a rail beam, the rail beam is arranged outside the gantry crane frame, supporting frames are symmetrically installed at the bottom end of the gantry crane frame, walking frames are installed at the bottom ends of the supporting frames, rear frames are installed at the bottom ends, on one sides of the walking frames, of the supporting frames, and the rear frames are connected with the rail beam. The bottom end of the walking frame is provided with the front frame, the bottom end of the walking frame on one side of the front frame is provided with the middle frame, the bottom end of the rear frame, the bottom end of the middle frame and the bottom end of the front frame are provided with the auxiliary wheels, and the bottom end of the rear frame, the bottom end of the middle frame and the bottom end of the front frame on one side of the auxiliary wheels are provided with the power wheels. According to the emergency closing structure of the shipyard portal crane rail, efficient emergency braking of multi-structure control is achieved, braking can be controlled in time conveniently, distributed gravity bearing is facilitated, independent disassembly and replacement are facilitated, the later disassembly and replacement cost is reduced, and the stability of the shipyard portal crane rail during emergency closing is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of emergency closing structures, in particular to an emergency closing structure for a shipyard gantry crane track. Background Art

[0002] The lifting operation of cargo in the cargo hold of a ship mainly relies on the lifting equipment equipped on the ship or the lifting equipment at the port and the dock. At present, most bulk carriers, multi-purpose ships, container ships and other ships are generally equipped with general type cylinder or wire rope luffing slewing cranes. Gantry cranes are also widely used on specific ship types according to factors such as ship characteristics, operating environment, work purpose, and shipowner's needs.

[0003] The emergency closing structure of the shipyard gantry crane track is a structure that can be used for emergency braking and closing in time when danger or safety problems occur during the operation of the shipyard gantry crane. This structure can improve the safety of the shipyard gantry crane during operation and brake the shipyard gantry crane in time. The existing emergency closing structures of this type are generally not conducive to efficient emergency braking of multi-structure control when in use, are not conducive to decentralized bearing of gravity, and are not conducive to independent disassembly and replacement of wearing parts after damage, which affects the cost of later disassembly and replacement, and affects the stability of the shipyard gantry crane track during emergency closure. Utility Model Content

[0004] The purpose of the utility model is to provide an emergency closing structure for a shipyard gantry crane track, so as to solve the problem that the emergency closing structure proposed in the above background technology is not convenient for multi-structure control of efficient emergency braking, is not conducive to decentralized bearing of gravity, and is not conducive to independent disassembly and replacement of wearing parts after damage, which affects the cost of later disassembly and replacement and affects the stability of the shipyard gantry crane track during emergency closing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shipyard gantry track emergency closing structure, comprising a gantry frame and a track beam, the gantry frame is provided with a track beam on the outside, the gantry frame is symmetrically installed with a support frame at the bottom end, the support frame is symmetrically installed with a walking frame at the bottom end, the support frame on one side of the walking frame is installed with a rear frame at the bottom end, the walking frame is installed with a front frame at the bottom end, the walking frame on one side of the front frame is installed with a middle frame at the bottom end, the rear frame, the middle frame and the front frame are all installed with auxiliary wheels at the bottom ends, the rear frame, the middle frame and the front frame on the auxiliary wheel side are all installed with a power wheel at the bottom ends, the rear frame, the middle frame and the front frame on the power wheel side are all installed with a frequency conversion motor on the outer wall, the frequency conversion motor is installed with a right-angle reducer at the bottom end, the right-angle reducer is installed with a transmission shaft inside, and the transmission shaft is connected to the power wheel.

[0006] Preferably, a first clamping shaft is installed at the top of the support frame, and the support frame is connected to the door frame through the first clamping shaft, a second clamping shaft is installed at the top of the walking frame, and the walking frame is connected to the support frame through the second clamping shaft, and a third clamping shaft is installed at the top of the rear frame, and the rear frame is movably connected to the support frame through the third clamping shaft.

[0007] Preferably, a fourth clamping shaft is installed at the top of the middle frame, and the middle frame is movably connected to the walking frame through the fourth clamping shaft, and a fifth clamping shaft is installed at the top of the front frame, and the front frame is movably connected to the walking frame through the fifth clamping shaft.

[0008] Preferably, a crossbeam is installed on the outer wall of the door frame on one side of the support frame, and a column is arranged at the center position inside the crossbeam.

[0009] Preferably, a lifting frame is installed at the top end of the column, a shock absorbing frame is installed at the bottom end of the column, and a brake block is installed at the bottom end of the shock absorbing frame.

[0010] Preferably, hydraulic cylinders are installed on the top ends of the cross beams on both sides of the column, and the output ends of the hydraulic cylinders are connected to the lifting frames.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the emergency closing structure not only realizes the efficient emergency braking of the multi-structure control of the shipyard gantry crane track emergency closing structure, facilitates timely control braking, facilitates decentralized gravity bearing, facilitates independent disassembly and replacement, but also reduces the cost of later disassembly and replacement, and improves the stability of the shipyard gantry crane track during emergency closing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a front view structural schematic diagram of the utility model;

[0014] Figure 3 It is a front view cross-sectional structural schematic diagram of the utility model;

[0015] Figure 4 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0016] Figure 5 It is a three-dimensional enlarged structural schematic diagram of the support frame of the utility model;

[0017] Figure 6 It is a schematic diagram of an enlarged side cross-sectional structure of the transmission shaft of the utility model.

[0018] In the figure: 1. door frame; 2. first clamping shaft; 3. support frame; 4. second clamping shaft; 5. walking frame; 6. frequency conversion motor; 7. right angle reducer; 8. track beam; 9. rear frame; 10. third clamping shaft; 11. fourth clamping shaft; 12. middle frame; 13. transmission shaft; 14. power wheel; 15. front frame; 16. auxiliary wheel; 17. fifth clamping shaft; 18. lifting frame; 19. cross beam; 20. hydraulic cylinder; 21. column; 22. shock absorber frame; 23. brake block. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-6 , the utility model provides an embodiment: a shipyard gantry track emergency closing structure, including a gantry frame 1 and a track beam 8, the gantry frame 1 is provided with a track beam 8 on the outside, the gantry frame 1 is symmetrically installed with a support frame 3 at the bottom end, the support frame 3 is installed with a walking frame 5 at the bottom end, the support frame 3 on one side of the walking frame 5 is installed with a rear frame 9 at the bottom end, the walking frame 5 is installed with a front frame 15 at the bottom end, the walking frame 5 on one side of the front frame 15 is installed with a middle frame 12 at the bottom end, the rear frame 9, the middle frame 12, and the front frame 15 are installed with auxiliary wheels 16 at the bottom ends, the rear frame 9, the middle frame 12, and the front frame 15 on one side of the auxiliary wheel 16 are installed with power wheels 14 at the bottom ends, the rear frame 9, the middle frame 12, and the front frame 15 on one side of the power wheel 14 are installed with frequency conversion motors 6 on the outer walls, the frequency conversion motors 6 are installed with right-angle reducers 7 at the bottom ends, the right-angle reducers 7 are installed with transmission shafts 13 inside, and the transmission shafts 13 are connected to the power wheels 14;

[0021] A crossbeam 19 is installed on the outer wall of the door frame 1 on one side of the support frame 3, and a column 21 is arranged at the center position inside the crossbeam 19;

[0022] A lifting frame 18 is installed at the top of the column 21, a shock absorbing frame 22 is installed at the bottom of the column 21, a brake block 23 is installed at the bottom of the shock absorbing frame 22, and hydraulic cylinders 20 are installed at the tops of the beams 19 on both sides of the column 21, and the output ends of the hydraulic cylinders 20 are connected to the lifting frame 18;

[0023] When in use, when walking is required, the external control turns on the variable frequency motor 6, and the variable frequency motor 6 drives the right angle reducer 7 to rotate, and the transmission shaft 13 is driven to rotate under the gear transmission inside the right angle reducer 7, and the transmission shaft 13 drives the power wheel 14 to rotate, and the auxiliary wheel 16 cooperates with the power wheel 14 and the auxiliary wheel 16 to facilitate the movement of the walking frame 5, the support frame 3, and the door frame 1. The control of multiple sets of drives improves the stability during operation. When emergency braking is required, the external control reversely controls the variable frequency motor 6. To drive the power wheel 14 to brake, the cooperation of multiple groups of brake structures plays the role of emergency braking, the external control opens the hydraulic cylinder 20, the hydraulic cylinder 20 drives the lifting frame 18 to move downward, the lifting frame 18 drives the column 21 to move downward, the column 21 drives the shock absorbing frame 22 and the brake block 23 to move downward, the brake block 23 contacts the track beam 8 to play the role of braking again, realizing the multi-structure control of the emergency closing structure of the shipyard gantry track and efficient emergency braking, facilitating timely control braking, and improving the stability of the shipyard gantry track during emergency closing;

[0024] The top of the support frame 3 is equipped with a first card shaft 2, and the support frame 3 is connected to the door frame 1 through the first card shaft 2, the top of the walking frame 5 is equipped with a second card shaft 4, and the walking frame 5 is connected to the support frame 3 through the second card shaft 4, and the top of the rear frame 9 is equipped with a third card shaft 10, and the rear frame 9 is movably connected to the support frame 3 through the third card shaft 10;

[0025] The top of the middle frame 12 is equipped with a fourth clamping shaft 11, and the middle frame 12 is movably connected to the walking frame 5 through the fourth clamping shaft 11. The top of the front frame 15 is equipped with a fifth clamping shaft 17, and the front frame 15 is movably connected to the walking frame 5 through the fifth clamping shaft 17.

[0026] When in use, the first clamping shaft 2 is connected with the support frame 3 and the door frame 1, and the two groups of support frames 3 disperse the gravity of the door frame 1, the walking frame 5 is connected with the support frame 3 through the second clamping shaft 4, and the rear frame 9 is connected with the support frame 3 through the third clamping shaft 10, and the rear frame 9 and the walking frame 5 disperse the gravity borne by the support frame 3, the front frame 15 is connected with the walking frame 5 through the fifth clamping shaft 17, and the middle frame 12 is connected with the walking frame 5 through the fourth clamping shaft 11, and the middle frame 12 and the front frame 15 disperse the gravity borne by the walking frame 5, so as to improve the ability of the shipyard gantry crane track to bear gravity, and through the movable connection of the first clamping shaft 2, the second clamping shaft 4, the fifth clamping shaft 17, the fourth clamping shaft 11, and the third clamping shaft 10, it is convenient to carry out independent disassembly and replacement after a certain group of power structures is damaged, and the cost of later disassembly and replacement is reduced, so as to achieve the excellent load-bearing performance of the shipyard gantry crane track, facilitate the decentralized bearing of gravity, facilitate independent disassembly and replacement, and reduce the cost of later disassembly and replacement.

[0027] When the embodiment of the present application is in use: an external power supply is connected, and the right-angle reducer 7 is driven to rotate by the variable frequency motor 6, and the transmission shaft 13 is driven to rotate under the gear transmission inside the right-angle reducer 7, and the transmission shaft 13 drives the power wheel 14 to rotate, and the auxiliary wheel 16 cooperates with the power wheel 14 and the auxiliary wheel 16 to facilitate the movement of the walking frame 5, the support frame 3, and the door frame 1. The control of multiple sets of drives improves the stability during operation. When emergency braking is required, the external control reversely controls the variable frequency motor 6 to drive the power wheel 14 to brake, and the cooperation of multiple sets of brake structures plays the role of emergency braking. The external control opens the hydraulic cylinder 20, and the hydraulic cylinder 20 drives the lifting frame 18 to move downward, and the lifting frame 18 drives the column 21 to move downward, and the column 21 drives the shock absorbing frame 22 and the brake block 23 to move downward, and the brake block 23 It contacts the track beam 8 to brake again, and then connects with the support frame 3 and the door frame 1 through the first clamping shaft 2. The two groups of support frames 3 disperse the gravity of the door frame 1. The walking frame 5 is connected with the support frame 3 through the second clamping shaft 4, and the rear frame 9 is connected with the support frame 3 through the third clamping shaft 10. The rear frame 9 and the walking frame 5 disperse the gravity borne by the support frame 3. The front frame 15 is connected with the walking frame 5 through the fifth clamping shaft 17, and the middle frame 12 is connected with the walking frame 5 through the fourth clamping shaft 11. The middle frame 12 and the front frame 15 disperse the gravity borne by the walking frame 5 to improve the ability of the shipyard door crane track to withstand gravity. Through the active connection of the first clamping shaft 2, the second clamping shaft 4, the fifth clamping shaft 17, the fourth clamping shaft 11, and the third clamping shaft 10, it is convenient to carry out independent disassembly and replacement after a certain group of power structures is damaged, reduce the cost of later disassembly and replacement, and complete the use of the emergency closing structure.

Claims

1. A shipyard gantry crane track emergency closing structure, characterized in that: The invention comprises a door frame (1) and a track beam (8), wherein the door frame (1) is provided with a track beam (8) on the outside, a support frame (3) is symmetrically mounted on the bottom end of the door frame (1), a traveling frame (5) is mounted on the bottom end of each of the support frames (3), a rear frame (9) is mounted on the bottom end of each of the supporting frames (3) on one side of the traveling frame (5), a front frame (15) is mounted on the bottom end of each of the traveling frames (5), a middle frame (12) is mounted on the bottom end of each of the traveling frames (5) on one side of the front frame (15), and the rear frame (9), the middle frame (12), and the front frame (15) are arranged on the bottom end of the traveling frame (5). Auxiliary wheels (16) are installed at the bottom ends of the rear frame (9), the middle frame (12) and the front frame (15) on one side of the auxiliary wheel (16), and a power wheel (14) is installed at the bottom ends of the rear frame (9), the middle frame (12) and the front frame (15) on one side of the power wheel (14). A variable frequency motor (6) is installed on the outer wall of the rear frame (9), the middle frame (12) and the front frame (15) on one side of the power wheel (14). A right-angle reducer (7) is installed at the bottom end of the variable frequency motor (6), and a transmission shaft (13) is installed inside the right-angle reducer (7), and the transmission shaft (13) is connected to the power wheel (14).

2. The shipyard gantry crane track emergency closing structure according to claim 1, characterized in that: The top of each of the support frames (3) is equipped with a first clamping shaft (2), and the support frame (3) is connected to the door frame (1) via the first clamping shaft (2); the top of each of the walking frames (5) is equipped with a second clamping shaft (4), and the walking frame (5) is connected to the support frame (3) via the second clamping shaft (4); the top of each of the rear frames (9) is equipped with a third clamping shaft (10), and the rear frame (9) is movably connected to the support frame (3) via the third clamping shaft (10).

3. The shipyard gantry crane track emergency closing structure according to claim 1, characterized in that: The top of the middle frame (12) is equipped with a fourth clamping shaft (11), and the middle frame (12) is movably connected to the walking frame (5) through the fourth clamping shaft (11); the top of the front frame (15) is equipped with a fifth clamping shaft (17), and the front frame (15) is movably connected to the walking frame (5) through the fifth clamping shaft (17).

4. The shipyard gantry crane track emergency closing structure according to claim 1, characterized in that: A crossbeam (19) is installed on the outer wall of the door frame (1) on one side of the support frame (3), and a column (21) is arranged at the center position inside the crossbeam (19).

5. The shipyard gantry crane track emergency closing structure according to claim 4, characterized in that: A lifting frame (18) is installed at the top end of the column (21), a shock absorbing frame (22) is installed at the bottom end of the column (21), and a brake block (23) is installed at the bottom end of the shock absorbing frame (22).

6. The shipyard gantry crane track emergency closing structure according to claim 4, characterized in that: The top ends of the cross beams (19) on both sides of the upright column (21) are both equipped with hydraulic cylinders (20), and the output ends of the hydraulic cylinders (20) are both connected to the lifting frame (18).

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