Locking and unlocking mechanism of electric container spreader

Abstract

The utility model discloses an unlocking and locking mechanism of an electric container spreader, and relates to the technical field of containers. The lifting appliance comprises a container, a lifting appliance frame is arranged above the container, a disc is arranged in the middle of the lifting appliance frame, an inner groove is formed in the disc, two insertion rods are symmetrically and movably installed in the inner groove, the insertion rods penetrate through the disc, a rotary disc is rotationally arranged in the inner groove and located above the insertion rods, and the rotary disc is connected with the lifting appliance frame. Cylindrical blocks are fixedly mounted on the end faces, located in the inner grooves, of the inserting rods, arc-shaped grooves are formed in the surfaces of the rotating discs, two fixing strips are symmetrically arranged at the top of the container, and inserting grooves corresponding to the inserting rods are formed in the fixing strips. According to the utility model, the insertion rod and the turntable are matched and mounted in the inner groove, when the insertion rod is inserted into the insertion groove, the connection of the lifting appliance frame and the container is realized, and the device is simple in structure, convenient to operate, rapid and accurate in positioning, and higher in stability and safety.

Description

Technical Field

[0001] The utility model belongs to the technical field of containers, in particular to an opening and closing locking mechanism of an electric container spreader. Background Art

[0002] A container is a group of tools that can carry packaged or unpackaged goods for transportation and is easy to load and unload with mechanical equipment. A container spreader is a special spreader for loading and unloading containers. It is connected to the top corner fittings of the container through the twist locks at the four corners of its end crossbeam. The driver controls the opening and closing of the twist locks to carry out container loading and unloading operations.

[0003] Most of the opening and closing locking mechanisms of existing electric container hoists achieve container hanging by clamping the outer surface of the container and then further tying the container with ropes. This clamping method has low safety, complicated operation process, and is very easy to damage the surface of the container, reducing the service life of the container.

[0004] Therefore, the opening and closing locking mechanism of the existing electric container spreader cannot meet the needs in actual use, so there is an urgent need for improved technology to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an opening and closing locking mechanism for an electric container spreader to solve the above-mentioned problems.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is an opening and closing locking mechanism of an electric container spreader, comprising a container, a spreader frame is arranged above the container, a disc is arranged in the middle of the spreader frame, an inner groove is arranged inside the disc, two insertion rods are symmetrically and movably installed in the inner groove, the insertion rods penetrate the disc, a turntable is rotatably arranged in the inner groove and above the insertion rods, a cylindrical block is fixedly installed on the end surface of the insertion rod in the inner groove, an arc groove is arranged on the surface of the turntable, the cylindrical block is clamped in the arc groove, two fixing bars are symmetrically arranged on the top of the container, slots corresponding to the insertion rods are arranged inside the fixing bars, a stepping motor is installed on the upper surface of the disc by bolts, and the output end of the stepping motor is connected to the turntable.

[0008] Furthermore, a connection block is fixedly provided on the surface of the disc, and the other end of the connection block is connected to the sling frame.

[0009] Furthermore, side plates are provided on both sides of the connecting block, ends of the side plates are fixedly connected to the hanger frame, and limiting holes are provided at the middle ends of the side plates, and the surface of the insertion rod passes through the limiting holes.

[0010] Furthermore, two arc-shaped edges are symmetrically arranged in the middle of the top of the container, and the arc-shaped edges correspond to the disc.

[0011] Furthermore, guide holes are arranged at four end corners of the top of the container, and guide columns are arranged at four end corners of the bottom of the sling frame, and the guide columns correspond to the guide holes.

[0012] Furthermore, lifting rings are provided at the four end corners of the top of the lifting device frame.

[0013] The utility model has the following beneficial effects:

[0014] The device is installed in the inner groove through the cooperation of the plug rod and the turntable, and the cylindrical block is clamped in the arc groove. When the stepper motor drives the turntable to rotate, the position of the arc groove moves. At this time, the cylindrical block moves along the inner wall trajectory of the arc groove, and the plug rod is displaced to the outside of the disk, so that the plug rod can be inserted into the slot to realize the connection between the spreader frame and the container. The device has a simple structure, easy operation, fast and accurate positioning, and high stability and safety, and will not cause damage to the surface of the container. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the utility model from another perspective;

[0018] Figure 3 It is a top view of a partial cross-section of the utility model;

[0019] Figure 4 This is a top sectional view of the inner groove in the utility model.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Container; 2. Spreader frame; 3. Stepper motor; 4. Disc; 5. Inner groove; 6. Turntable; 7. Arc groove; 8. Insert rod; 9. Cylindrical block; 10. Fixing bar; 11. Slot; 12. Side plate; 13. Limit hole; 14. Arc edge; 15. Connecting block; 16. Lifting ring; 17. Guide hole; 18. Guide column. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] See also Figure 1-4 As shown, the utility model is an opening and closing locking mechanism of an electric container spreader, comprising a container 1, a spreader frame 2 is arranged above the container 1, a disc 4 is arranged in the middle of the spreader frame 2, an inner groove 5 is arranged inside the disc 4, two plug rods 8 are symmetrically and movably installed in the inner groove 5, the plug rod 8 passes through the disc 4, a turntable 6 is arranged in the inner groove 5 and is rotatably arranged above the plug rod 8, a cylindrical block 9 is fixedly installed on the end surface of the plug rod 8 in the inner groove 5, an arc groove 7 is arranged on the surface of the turntable 6, and the cylindrical block 9 is clamped in the arc groove 7, two fixing bars 10 are symmetrically arranged on the top of the container 1, and the fixing bars 10 are provided with a plug rod 8 corresponds to the slot 11, the upper surface of the disc 4 is installed with a stepper motor 3 by bolts, the output end of the stepper motor 3 is connected to the turntable 6, and is installed in the inner groove 5 through the rod 8 and the turntable 6, and the cylindrical block 9 is clamped in the arc groove 7. When the stepper motor 3 drives the turntable 6 to rotate, the position of the arc groove 7 moves. At this time, the cylindrical block 9 moves along the inner wall trajectory of the arc groove 7, and the rod 8 is displaced to the outside of the disc 4, so that the rod 8 can be inserted in the slot 11 to realize the connection between the sling frame 2 and the container 1. The device has a simple structure, convenient operation, fast and accurate positioning, and high stability and safety.

[0024] A connecting block 15 is fixedly provided on the surface of the disc 4, and the other end of the connecting block 15 is connected to the sling frame 2. The connecting block 15 can fix the disc 4 in the middle of the sling frame 2, making the device structure more stable, enhancing the use quality of the device, and improving the service life of the device.

[0025] Side panels 12 are provided on both sides of the connecting block 15, and the ends of the side panels 12 are fixedly connected to the sling frame 2. A limiting hole 13 is provided at the middle end of the side panel 12, and the surface of the insertion rod 8 passes through the limiting hole 13. The side panels 12 and the limiting hole 13 support the insertion rod 8, thereby ensuring the stability of the insertion rod 8 during use and increasing the stability of the insertion rod 8 into the slot 11.

[0026] Two arcuate edges 14 are symmetrically arranged in the middle of the top of the container 1, and the arcuate edges 14 correspond to the disc 4. The disc 4 can be snapped into the two arcuate edges 14 to enhance the stability of the disc 4 during use. At the same time, the insertion rod 8 corresponds to the slot 11 in parallel to ensure the stability and safety of the structure.

[0027] Guide holes 17 are provided at the four end corners of the top of the container 1, and guide columns 18 are provided at the four end corners of the bottom of the sling frame 2. The guide columns 18 correspond to the guide holes 17. Through the cooperation of the guide columns 18 and the guide holes 17, the sling frame 2 can be stably installed on the top of the container 1. At this time, the disc 4 can be stably placed on the top of the container 1, and the rod 8 and the slot 11 can correspond to each other in parallel, thereby improving work efficiency and ensuring the stability of the connection between the sling frame 2 and the container 1.

[0028] The four end corners of the top of the sling frame 2 are provided with lifting rings 16. With the help of the lifting rings 16, the staff can hang the sling frame 2 by ropes to ensure the integrity of the device structure.

[0029] Working principle: first, place the sling frame 2 on the top of the container 1. Through the cooperation of the guide column 18 and the guide hole 17, the rod 8 and the slot 11 can correspond to each other in parallel. Then, when the stepper motor 3 drives the turntable 6 to rotate, since the rod 8 and the turntable 6 are installed in the inner groove 5, and the cylindrical block 9 is clamped in the arc groove 7, the position of the arc groove 7 moves. At this time, the cylindrical block 9 moves along the inner wall trajectory of the arc groove 7, and the rod 8 is displaced to the outside of the disc 4, so that the rod 8 can be inserted into the slot 11 to realize the connection between the sling frame 2 and the container 1. The device has a simple structure, is easy to operate, has fast and accurate positioning, and has high stability and safety, and will not cause damage to the surface of the container 1.

[0030] As described above, in order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Generally, the components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. 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.

Claims

1. An opening and closing locking mechanism of an electric container spreader, comprising a container (1), characterized in that: A sling frame (2) is arranged above the container (1), a disc (4) is arranged in the middle of the sling frame (2), an inner groove (5) is arranged inside the disc (4), two plug rods (8) are symmetrically and movably installed in the inner groove (5), the plug rods (8) penetrate the disc (4), a turntable (6) is rotatably arranged in the inner groove (5) and above the plug rods (8), a cylindrical block (9) is fixedly installed on the end face of the plug rod (8) in the inner groove (5), an arc groove (7) is arranged on the surface of the turntable (6), the cylindrical block (9) is clamped in the arc groove (7), two fixing bars (10) are symmetrically arranged on the top of the container (1), a slot (11) corresponding to the plug rod (8) is arranged inside the fixing bar (10), a stepping motor (3) is installed on the upper surface of the disc (4) by bolts, and the output end of the stepping motor (3) is connected to the turntable (6).

2. The opening and closing locking mechanism of the electric container spreader according to claim 1, characterized in that: A connection block (15) is fixedly arranged on the surface of the disc (4), and the other end of the connection block (15) is connected to the sling frame (2).

3. The opening and closing locking mechanism of the electric container spreader according to claim 2, characterized in that: Side plates (12) are provided on both sides of the connecting block (15), the ends of the side plates (12) are fixedly connected to the sling frame (2), a limiting hole (13) is provided at the middle end of the side plates (12), and the surface of the insertion rod (8) passes through the limiting hole (13).

4. The opening and closing locking mechanism of the electric container spreader according to claim 1, characterized in that: Two arc-shaped edges (14) are symmetrically arranged in the middle of the top of the container (1), and the arc-shaped edges (14) correspond to the disc (4).

5. The opening and closing locking mechanism of the electric container spreader according to claim 1, characterized in that: Guide holes (17) are arranged at the four end corners of the top of the container (1), and guide columns (18) are arranged at the four end corners of the bottom of the sling frame (2), and the guide columns (18) correspond to the guide holes (17).

6. The opening and closing locking mechanism of the electric container spreader according to claim 1, characterized in that: Lifting rings (16) are provided at the four end corners of the top of the sling frame (2).

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