CN208532132U - A kind of container spreader latch gear - Google Patents

Abstract

The utility model relates to container spreader attachment device, especially a kind of container spreader latch gear.Container spreader latch gear includes rotation lock bridge and backbar, and rotation lock bridge is vertical long beam, and top end part is provided with the lock of the rotation for connecting container, and the length for revolving lock bridge is greater than backbar, and backbar can be slided up and down in the outside of rotation lock bridge；Buffer unit includes connector, elastic component, pin shaft and snap-gauge, connector is threadedly attached on the upper junction plate on rotation lock bridge top, the upper end of elastic component is connected on connector, and lower end is connected on pin shaft, and pin shaft is fixedly connected by snap-gauge and bolt with backbar top.The utility model between hanger twist lock bridge and backbar by increasing a buffer gear, after suspender latch gear and container contact, prevent backbar since inertia continues to move downward and rotation lock bridge lower end generates strong mechanical collision, the fierce degree of collision is greatly lowered, and improves the suspender steel construction service life.

Description

A kind of container spreader latch gear

Technical field

The utility model relates to the container spreader attachment device for going up and down container, especially a kind of container spreader Latch gear.

Background technique

With the fast development of logistic industry, container becomes the essential means of transport of modern logistics industry, wide It is general to be applied to the various forms of transport such as sea-freight, air transportion and overland transport.The advantage of container be its standardize transport cases, And a whole set of transportation system thus established, not only cargo dead-weight is big, but also in the mating lower realization mark of container handling equipment Standardization operation, reach quick despatch, fast transportation, quick transfer globalization mode of operation, realize global range in ship, The logistics system that harbour, course line, highway, terminal, bridge, tunnel, multimodal transport match.

In container handling equipment, empty container stacking machine is the key equipment of Container Transport, is widely used in harbour, code Stacking and the transhipment of head, Rail Highway terminal and the empty container in stockyard have high stacking tier, stacking and carry speed Degree is fast, operating efficiency height, maneuverability, saves the features such as place.As shown in Figure 1, in empty container stacking machine structure include outer mast, Inner upright mounting 21, elevating ram 22, movable pulley 23, chain 24 and suspender 25 are provided with elevating ram 22 on outer mast, pass through lifting Oil cylinder 22 drives inner upright mounting 21 to rise, and slides up and down inside outer mast；Suspender 25 is provided with below inner upright mounting 21, top is set It is equipped with movable pulley 23, is connected between movable pulley 23 and suspender 25 with chain 24, inner upright mounting 21 drives suspender 25 by chain 24 Rise；When decline, door frame elevating ram 22 is retracted, and suspender 25 declines by own wt.The both ends of suspender 25, which are provided with, to be used for The latch gear of interlocking container 30, latch gear include rotation lock bridge 1 and backbar 2, and the upper side of rotation lock bridge 1 is provided with rotation lock 10, for being inserted into the lockhole of 30 upper surface of container, container is sling；Backbar 2 be cover rotation lock bridge 1 outside sleeve, Lock bridge 1 is revolved for supporting, both lock bridge 1 and backbar 2 is revolved and is separated from each other, backbar 2, which rises, during rising drives rotation Lock bridge 1 rises, and the bearing of backbar 2 rotation lock bridge 1, the two simultaneously decline during decline.

In empty container stacking machine use process, in order to improve operating efficiency, suspender operator can often make suspender it is quick on It rises and declines, during suspender rapid decrease, after the latch gear of suspender is in contact with the upper surface of container, door frame Elevating ram is in retracted state, and retracting action can not stop immediately, and biggish impact can be generated between suspender and container Power；Another is generated the problem that simultaneously, revolves lock bridge when encountering container surface, downward actuation stops at once, and backbar Continue to move downward under effect of inertia, lower end can collide rotation lock bridge lower end, generate larger collision punching between the two Power is hit, is had an adverse effect to equipment.In order to mitigate this collision impact, in design, backbar lower end and rotation lock bridge lower end are set It is equipped with certain buffer distance, but this buffer distance is by height limitation, it is relatively limited；When suspender decrease speed is up to 0.6m/s When, the two can still generate biggish mechanical shock.If enabling door frame elevating ram moment stop retracting, then by control system This impact can be transferred to vehicle to bear, had an adverse effect to multiple components of equipment.

Publication No. is the utility model patent of CN102826442A, discloses a kind of container spreader buffer unit, including Elastic element and sliding sleeve, elastic element are arranged in the cabinet of lock pin case of container spreader, and sliding sleeve is movably matched with cabinet Installation, one end of sliding sleeve and the end thereof contacts of elastic element are closed, and active force can be transmitted to elastic element.The utility model Technical solution, reduce container spreader and container case, lift by crane and unload the impact force between case, it can be seen that, only solve Above-mentioned first problem, and be directed to above-mentioned Second Problem, i.e. suspender after case, is generated between rotation pin beam and backbar Collision impact, the technical solution of the utility model not can effectively solve.

Utility model content

Against the above deficiency, the utility model provides a kind of container spreader buffer unit and container spreader lock pin machine Structure, can effectively slow down container spreader rotation pin beam and backbar between collision impact, reduce suspender equipment because impact and Mechanism-trouble caused by vibration and structure are destroyed, and service life of equipment is extended.

The technical solution of the utility model are as follows:

A kind of container spreader latch gear, including rotation lock bridge and backbar, the rotation lock bridge are vertical long beam, top end part It is provided with the rotation lock for connecting container, the backbar is to cover the square sleeve for outside rotation lock bridge, partially surrounding rotation lock bridge Cylinder, the length of the rotation lock bridge are greater than backbar, and backbar can be slided up and down in the outside of rotation lock bridge；It is characterized in that, also wrapping Buffer unit is included, the buffer unit includes connector, elastic component, pin shaft and snap-gauge, and the connector is connected to rotation lock bridge top On the upper junction plate at end, the upper end of the elastic component is connected on connector, and lower end is connected on pin shaft, and the pin shaft passes through card Plate and bolt are fixedly connected with backbar top.

The elastic component is spring or oil cylinder.

The spring is extension spring or compressed spring or pneumatic spring.

The utility model between hanger twist lock bridge and backbar by increasing a buffer gear, when suspender latch gear After contacting with container upper surface, rotation lock bridge operation stops, and backbar continues to decline under effect of inertia, and elastic component will be at this time Backbar continuing to decline and the elastic force that is gradually increased be provided, prevent backbar from declining；When rotation lock bridge and backbar are opposite When position reaches maximum, the drop-down elastic force of elastic component reaches maximum, at this time the wt part of suspender backbar or all by bullet Property mechanism elastic force bearing, even if door frame elevating ram can not stop immediately, suspender backbar lower end will not be from recast Strong mechanical collision is generated with lower and rotation lock bridge lower end, the fierce degree of collision is greatly lowered, and suspender stress substantially changes Kind, the suspender steel construction service life greatly improves.

Detailed description of the invention

Fig. 1 is empty container stacking machine front view；

Fig. 2 is the side view of empty container stacking machine raising container；

Fig. 3 is the front view of the utility model suspender latch gear；

Fig. 4 is the side view of the utility model suspender latch gear；

Fig. 5 is the cross sectional side view of the utility model suspender latch gear；

Fig. 6 is the cross sectional side view of the utility model suspender latch gear.

Specific embodiment

Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation It is bright, to be fully understood from the purpose of this utility model, feature and effect.

With reference to Fig. 1-Fig. 4, container spreader latch gear includes rotation lock bridge 1 and backbar 2, and rotation lock bridge 1 is vertical long beam, Top end part is provided with the lock of the rotation for connecting container 30 10, and backbar 2 is to cover outside rotation lock bridge 1, partially surround rotation lock bridge 1 Square sleeve, rotation lock bridge 1 length be greater than backbar 2, backbar 2 can rotation lock bridge 1 outside slide up and down.When rising, Backbar 2 rises to rotation 1 top of lock bridge under the traction of chain 24, and rotation lock bridge 1 is driven to rise；When decline, backbar 2 is due to gravity Rotation 1 lower part of lock bridge is fallen back to, bearing rotation lock bridge 1 simultaneously declines.

The utility model further includes buffer unit, and the buffer unit includes connector 3, elastic component 4, pin shaft 5 and snap-gauge 6, connector 3 is threadedly attached on the upper junction plate 11 on rotation 1 top of lock bridge, and the upper end of elastic component 4 is connected to connector 3 On, lower end is connected on pin shaft 5, and pin shaft 5 is fixedly connected by snap-gauge 6 and bolt with 2 top of backbar.Elastic component 4 is spring Or oil cylinder, spring can be extension spring, compressed spring or pneumatic spring, preferably extension spring, hold as length increases to provide Continue increased elastic pulling force.

With reference to Fig. 5, after the suspender latch gear of the utility model is contacted with 30 upper surface of container, the rotation operation of lock bridge 1 stops Only, 2 lower end of backbar and rotation 1 lower end of lock bridge distance are L, and backbar 2 continues to decline under effect of inertia, and elastic component 4 is with branch Continuing to decline and providing the elastic force being gradually increased for bolster 2, prevents backbar 2 from declining；With reference to Fig. 6, when backbar 2 drops to When revolving 1 bottom of lock bridge, the drop-down elastic force of elastic component 4 reaches maximum, at this time the wt part of suspender backbar 2 or all by bullet Property part 4 elastic force bearing, prevent backbar 2 from generating in the case where being self-possessed and declining acceleration effect with rotation 1 lower end of lock bridge strong The fierce degree of mechanical collision, collision is greatly lowered, and suspender stress greatly improves, and the suspender steel construction service life greatly improves.

Before backbar 2 drives rotation lock bridge 1 to rise in advance, the suspender buffer unit of the utility model equally plays a role, Be embodied in: when suspender switchs to raising again by declining, chain 24 drives backbar 2 to rise, and revolves lock bridge 1 and backbar 2 also not Contact, but the tensile elongation of elastic component 4 between the two is gradually reduced, and is gradually reduced to the pulling force of backbar 2, and chain 24 provides It will be incrementally increased to the pulling force of backbar 24.And the pulling force that chain 24 provides will have a progressive formation from small to large, without It is to occur suddenly, the impact that the impact and vehicle that chain 24 is subject to are subject to has different degrees of improvement.

Disclosed above is only the embodiments of the present invention, and still, the utility model is not limited to this, any ability What the technical staff in domain can think variation should all fall into the protection scope of the utility model.

Claims (3)

1. a kind of container spreader latch gear, including rotation lock bridge and backbar, the rotation lock bridge is vertical long beam, and top end part is set It is equipped with the rotation lock for connecting container, the backbar is to cover the square sleeve for outside rotation lock bridge, partially surrounding rotation lock bridge, The length of the rotation lock bridge is greater than backbar, and backbar can be slided up and down in the outside of rotation lock bridge；It is characterized in that, further including delaying Flushing device, the buffer unit include connector, elastic component, pin shaft and snap-gauge, and the connector is connected to rotation lock bridge top On upper junction plate, the upper end of the elastic component is connected on connector, and lower end is connected on pin shaft, the pin shaft by snap-gauge and Bolt is fixedly connected with backbar top.

2. a kind of container spreader latch gear according to claim 1, which is characterized in that the elastic component be spring or Oil cylinder.

3. a kind of container spreader latch gear according to claim 2, which is characterized in that the spring is extension spring Or compressed spring or pneumatic spring.