Container lifting appliance

Abstract

The utility model provides a container spreader which comprises a lifting frame, a spreader main body and a rotating device, the rotating device is arranged between the lifting frame and the spreader main body, the rotating device comprises a rotary support with a rotatable inner ring and a rotatable outer ring, the outer ring is fixed on a first cross beam, the inner ring is fixed on a second cross beam, and the outer ring is fixed on the second cross beam. By arranging the rotating device, the lifting appliance body can rotate by 360 degrees relative to the lifting frame, during operation, the lifting frame can be firstly placed above a container, then the lifting appliance body is controlled to rotate to be aligned to the container, and the lifting appliance body can rotate to be aligned to the container. In this way, any horizontally-placed container can be hoisted, hoisting equipment does not need to be controlled, certain inconvenience is reduced, the rotating oil cylinder can control the rotating speed, and therefore the hoisting efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of containers, and in particular to a container spreader. Background Technology

[0002] Container spreaders are commonly used for loading and unloading containers. However, existing container spreaders are generally fixed structures. When there is a large angle between the container and the spreader body, it is necessary to control the lifting equipment to rotate the entire spreader and align it with the container, which causes some inconvenience. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a container spreader that solves the problem of the spreader body rotating.

[0004] To solve the above-mentioned technical problems, this utility model provides a container spreader, comprising:

[0005] The lifting frame includes a first crossbeam, mounting frames on both sides of the first crossbeam, and pulley blocks mounted on the mounting frames.

[0006] The lifting device body is located below the lifting frame. The lifting device body includes a second crossbeam and rotary locks located at the four corners of the second crossbeam in a vertically downward direction.

[0007] A rotating device is disposed between the lifting frame and the main body of the lifting device. The rotating device includes a slewing support with a rotatable inner ring and an outer ring. The outer ring is fixed on a first crossbeam, and the inner ring is fixed on a second crossbeam. An inverted rotating cylinder is also provided on the second crossbeam. A gear is provided on the rotating shaft of the rotating cylinder, and the gear meshes with the outer ring of the slewing support.

[0008] In a preferred embodiment, a pneumatic-hydraulic rotary joint is provided in the middle of the first crossbeam, and a protective seat is provided on the outside of the pneumatic-hydraulic rotary joint.

[0009] In a preferred embodiment, a hydraulic station is provided on the second crossbeam; a warning light is also provided above the second crossbeam; and guide plates are provided around the second crossbeam, with chamfers provided below the guide plates.

[0010] In a preferred embodiment, a measuring device is also provided in the area covered by the first and second crossbeams. The measuring device includes a mounting base on the second crossbeam and a pressure sensor disposed above the mounting base.

[0011] In a preferred embodiment, a horizontal sensor is provided on the second crossbeam to detect whether the turnlock is inserted into the container.

[0012] The beneficial effects of this utility model are: by setting a rotating device, the main body of the spreader can rotate 360 ​​degrees relative to the lifting frame. During operation, the lifting frame can be placed above the container first, and then the main body of the spreader can be controlled to rotate and align with the container. This way, any horizontally placed container can be lifted without controlling the lifting equipment, which reduces some inconvenience. Moreover, the rotating cylinder can control the rotation speed, thereby improving the efficiency of lifting. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0014] Figure 1 This is a front view structural diagram of an embodiment of the present utility model;

[0015] Figure 2 This is a side view of an embodiment of the present invention;

[0016] Figure 3 This is a view from embodiment B of the present invention;

[0017] Figure 4 This is a view from direction A of embodiment A of this utility model.

[0018] Reference numerals: Lifting frame 1; First crossbeam 11; Mounting frame 12; Pulley block 13; Protective seat 14; Lifting device body 2; Second crossbeam 21; Twisted lock 22; Warning light 23; Guide plate 24; Chamfer 241; Rotating device 3; Slewing support 31; Inner ring 311; Outer ring 312; Rotating cylinder 32; Gear 33; Hydraulic station 34; Mounting seat 41; Pressure sensor 42. Detailed Implementation

[0019] Please see Figure 1-4 As shown, this application provides a technical solution: a container spreader, a lifting frame 1, the lifting frame 1 including a first crossbeam 11, mounting frames 12 disposed on both sides of the first crossbeam 11, and pulley blocks 13 disposed on the mounting frames 12;

[0020] The lifting device body 2 is located below the lifting frame 1. The lifting device body 2 includes a second crossbeam 21 and rotary locks 22 located at the four corners of the second crossbeam 21 in a vertically downward direction.

[0021] The rotating device 3 is disposed between the lifting frame 1 and the lifting body 2. The rotating device 3 includes a slewing support 31 with a rotatable inner ring 311 and an outer ring 312. The outer ring 312 is fixed on the first crossbeam 11, and the inner ring 311 is fixed on the second crossbeam 21. An inverted rotating cylinder 32 is also provided on the second crossbeam 21. A gear 33 is provided on the rotating shaft of the rotating cylinder 32. The gear 33 meshes with the outer ring 312 of the slewing support 31.

[0022] In this way, since the lifting frame 1 is connected to the crane and its position is fixed, when the control rotary cylinder 32 drives the gear to rotate, the lifting device body 2 rotates along the outer ring 312 direction, so the lifting device body 2 rotates.

[0023] In a preferred embodiment, a pneumatic-hydraulic rotary joint is provided in the middle of the first crossbeam 11, and a protective seat 14 is provided on the outside of the pneumatic-hydraulic rotary joint.

[0024] For pneumatic-hydraulic rotary joints, Senripu pneumatic rotary joints can be selected. The function of pneumatic-hydraulic rotary joints is to connect the electrical, hydraulic, and pneumatic circuits of the upper and lower parts of the lifting device to the pneumatic-hydraulic rotary joint. In this way, when the lifting frame 1 and the lifting device body 2 rotate relative to each other, the electrical, hydraulic, and pneumatic circuits are intertwined.

[0025] The protective seat 14 surrounds the pneumatic-electro-hydraulic rotary joint to provide protection and prevent damage from impact.

[0026] In a preferred embodiment, a hydraulic station 34 is provided on the second crossbeam 21; a warning light 23 is also provided above the second crossbeam 21; a guide plate 24 is also provided around the second crossbeam 21, and a chamfer 241 is provided below the guide plate 24.

[0027] The hydraulic station 34 is connected to the rotary cylinder 32 and is equipped with a warning light 23 to help the crane operator remind nearby people to stay away to avoid danger. The warning light 23 can be red, yellow, or green and can also emit an audible warning. The guide plate 24 serves to guide the container to be lifted.

[0028] In a preferred embodiment, a measuring device is also provided in the area covered by the first crossbeam 11 and the second crossbeam 21. The measuring device includes a mounting base 41 disposed on the second crossbeam 21 and a pressure sensor 42 disposed above the mounting base 41.

[0029] At least two measuring devices are provided, one along the length of the second crossbeam 21 and the other on both sides of the rotating device 3. The purpose of the measuring devices is that when the center of gravity of the container is on one side, it will pull the second crossbeam 21 to tilt around the inner ring 311. The measuring device on one side will move upward and the measuring device on the other side will move downward. Then the measuring device that deforms upward will press against the bottom of the first crossbeam 11. At this time, the magnitude of the force that causes the second crossbeam 21 to tilt due to the container can be measured. When the deformation is too large, the controller will control the spreader to alarm to prevent damage to the spreader.

[0030] In a preferred embodiment, a horizontal sensor is provided on the second crossbeam 21 to detect whether the turnlock 22 is inserted into the container.

[0031] The detection principle of the level sensor is that when all the twist locks 22 are inserted into the container, the second crossbeam 21 detected by the level sensor is in a horizontal state. When one twist lock 22 is not inserted into the container, the second crossbeam 21 is tilted with one side higher than the other. At this time, the second crossbeam 21 detected by the level sensor is not horizontal, and the crane operator cannot lift the container.

[0032] By setting the rotating device 3, the spreader body 2 can rotate 360 ​​degrees relative to the lifting frame 1. This allows the lifting frame 1 to be placed above the container, and the container at any horizontal angle can be lifted by controlling the rotation of the spreader body 2 without controlling the lifting spreader, thus reducing the workload. In addition, the rotating cylinder 32 can control the rotation speed, thereby improving the lifting efficiency.

[0033] The lifting principle of the spreader is to insert the twist lock 22 into the container, then rotate the twist lock 22 to hook the container, and then control the lifting rope on the pulley block 13 to lift the container. In this way, the container can be lifted from one position to another.

[0034] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A container spreader, characterized in that, The utility model relates to a lifting device for container, which comprises: a lifting frame (1) comprising a first crossbeam (11), mounting frames (12) arranged on both sides of the first crossbeam (11), and a pulley block (13) arranged on the mounting frames (12); a sling main body (2) arranged below the lifting frame (1), the sling main body (2) comprising a second crossbeam (21) and spin locks (22) arranged at the four corners of the second crossbeam (21) and vertically downward; a rotating device (3) arranged between the lifting frame (1) and the sling main body (2), the rotating device (3) comprising a slewing bearing (31) with a rotatable inner ring (311) and an outer ring (312), wherein the outer ring (312) is fixed on the first crossbeam (11), the inner ring (311) is fixed on the second crossbeam (21), a reversed rotary oil cylinder (32) is further arranged on the second crossbeam (21), a gear (33) is arranged on the rotary shaft of the rotary oil cylinder (32), and the gear (33) is engaged with the outer ring (312) of the slewing bearing (31); a guide plate (24) is further arranged around the second crossbeam (21), and a chamfer (241) is arranged below the guide plate (24).

2. A container spreader according to claim 1, characterized in that: A pneumatic-electric-hydraulic rotary joint is arranged in the middle of the first crossbeam (11), and a protective seat (14) is arranged outside the pneumatic-electric-hydraulic rotary joint.

3. A container spreader according to claim 1, characterized in that: A hydraulic station (34) is arranged on the second crossbeam (21), and a warning light (23) is further arranged above the second crossbeam (21).

4. A container spreader according to claim 1, characterized in that: A measuring device is further arranged in the area covered by the first crossbeam (11) and the second crossbeam (21), the measuring device comprising a mounting seat (41) arranged on the second crossbeam (21) and a pressure sensor (42) arranged above the mounting seat (41).

5. A container spreader according to claim 4, characterized in that: A horizontal sensor is arranged on the second crossbeam (21) to detect whether the spin lock (22) is inserted into a container.

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