WO2012100586A1

WO2012100586A1 - Lifting appliance for stacker and stacker provided with lifting appliance

Info

Publication number: WO2012100586A1
Application number: PCT/CN2011/082463
Authority: WO
Inventors: 王力波; 李翠英; 廖德彦
Original assignee: 湖南三一智能控制设备有限公司; 三一集团有限公司
Priority date: 2011-01-30
Filing date: 2011-11-18
Publication date: 2012-08-02
Also published as: CN102092661A

Abstract

Disclosed are a hanging appliance for a stacker and a stacker provided with the hanging appliance, which comprises: a support frame (1) fixed on the portal frame of the stacker; a main beam (3) fitted on the support frame (1); a first side beam (4) and a second side beam (5) respectively fitted at the ends of the main beam (3), with the first side beam (4) and the second side beam (5) being respectively provided thereon with a first locking device (6) and a second locking device (7) for locking a container (9). At the lower ends of the first side beam (4) and the second side beam (5), there are respectively provided a first telescopable container carrying device and a second telescopable container carrying device, and both of the two telescopable container carrying devices have a telescopable part which can extend in the direction of the container (9) hung by the hanging appliance and can retract backwards. During the process of a container being lowered into a container truck from above by the hanging appliance, the two telescopable parts do not interfere with the walls of the truck, so that a container can be loaded and unloaded normally when the container truck is fitted with walls.

Description

The utility model relates to a stacker spreader and a stacker provided with the spreader. The application is submitted to the Chinese Patent Office on January 30, 2011, and the application number is 201110033344.9. The invention name is "the stacker spreader and the spreader is provided. The priority of the Chinese Patent Application for the Heaping Machine, the entire contents of which is incorporated herein by reference. Technical field

The invention relates to the technical field of a stacker, in particular to a stacker spreader which can be used for a container truck equipped with a fence and a stacker provided with the spreader. Background technique

At present, the transshipment of unfilled empty containers by logistics companies such as ports and yards is generally carried out by container trucks. Existing general container trucks can only be loaded with one layer of containers at a time, such as a 40-foot container or two 20-foot containers. container.

In order to improve the capacity, the logistics companies such as ports have modified the container trucks. The modification scheme is shown in Figure 1 and Figure 2: A fence 101 is installed on the container truck 10. The container truck 10 to which the fence 101 is attached, the two-layer container 9 can be loaded once, for example, two 40-foot containers 9 (as shown in Fig. 1), or four 20-foot containers at a time. 9 (shown in Fig. 2), it can be seen that the container transfer efficiency of the container truck 10 to which the fence 101 is attached is greatly improved.

However, due to the presence of the fence in the container truck with the fence, the single box or double box used in the existing container empty container stacker will be placed in the container from top to bottom during the loading and unloading operation. In the process of the truck, interference between the spreader and the fence occurs and it cannot work.

Summary of the invention

The technical problem to be solved by the present invention is to provide a stacker spreader capable of loading and unloading containers for a container truck equipped with a fence without interfering with the fence. In order to solve the above technical problem, according to one aspect of the present invention, a stacker spreader is provided, comprising: a bracket fixed to a stacker frame; a main beam mounted on the bracket; a first side beam and a first Two side beams are respectively installed at two ends of the main beam, and the first side beam and the second side beam are respectively provided with a first locking device and a second locking device for locking the container, the first side beam and the second side The lower end of the side beam is respectively provided with a first retractable carrier device and a second retractable carrier device, and the first retractable carrier device and the second retractable carrier device each have a direction of the container that can be hoisted toward the spreader The telescopic part that extends and retracts.

Further, the first telescopic carrier device is a first carrier cylinder, the cylinder of the first carrier cylinder is fixed on the first side beam, and the piston rod extends toward the container suspended by the spreader; the second telescopic The tray device is a second tray cylinder, and the cylinder of the second tray cylinder is fixed on the second side beam, and the piston rod extends in the direction of the container suspended by the spreader.

Further, two locking devices are respectively disposed at the middle of the first side sill and the second side sill, below the main beam.

Further, the first locking device includes a first locking hook and a second locking hook extending parallel to the direction of the container, the second locking hook is located directly below the first locking hook, and the first locking hook and the second locking hook respectively Matching the corner lock holes of the two containers arranged up and down; the second locking device includes a third lock hook and a fourth lock hook extending in parallel toward the container, and the fourth lock hook is located at the third lock hook Below, the third lock hook and the fourth lock hook respectively match the corner lock holes of the two containers arranged one above the other.

Further, the first locking device further includes a first side hook and a second side hook extending in parallel, the second side hook is located directly below the first side hook, the first side hook and the second side The hooks can be rotated on the horizontal plane along the respective longitudinal axes and respectively matched with the corner lock holes of the two containers arranged one above the other; the second locking device further comprises a third side hook and a fourth side extending in parallel Holding the hook, the fourth side hug is located directly below the third side hug, and the third side hug and the fourth side hug are both rotated along the respective longitudinal axes on the horizontal plane and respectively respectively with the angles of the two containers arranged one above the other The pieces of the keyholes match.

Further, the first locking device further includes a first holding hook cylinder, and the piston rod of the first holding hook cylinder is simultaneously connected with the first side hook and the second side hook, and controls the first side hook and the second side Rotation of the hook on a horizontal plane; the second locking device further includes a second gripping oil The cylinder, the piston rod of the second hook cylinder is simultaneously connected with the third side hug and the fourth side hug, and controls the rotation of the third side hug and the fourth side hug on the horizontal surface.

Further, a first auxiliary tray device and a second auxiliary tray device are respectively disposed on the first side beam and the second side beam, and the first auxiliary tray device and the second auxiliary tray device are respectively disposed on the first lock Below the tightening device and the second locking device, and extending in the direction of the container in which it is located.

Further, the first auxiliary tray device and the second auxiliary tray device are respectively disposed at the non-interference positions on the first side beam and the second side beam that do not interfere with the truck fence.

Further, an upper portion of the first side beam and the second side beam are respectively provided with a first guide box and a second guide box; the first guide box and the second guide box respectively have an outwardly extending pair guide guide .

According to another aspect of the present invention, there is provided a stacker provided with any of the above-described stacker spreaders.

The invention has the following beneficial effects:

1. The stacker spreader of the present invention is provided with two retractable tray devices, each of which has a telescopic portion that can be extended and retracted in the direction of the container in which it is placed, two The telescoping portion holds one side of the container when it is extended, counteracting the tendency of the container to rotate on the vertical surface; during the process of the container lifting the container from top to bottom into the container truck, the two telescopic sections are about to touch the truck When the fence is temporarily retracted, it does not interfere with the fence of the truck, so that the container can be normally loaded and unloaded with the fence of the container truck.

2. Each of the two locking devices in the stacker spreader of the present invention comprises two locking hooks extending in parallel, up and down, for each of the locking devices, the upper lock The hooks (the first locking hook and the third locking hook) are matched with the corner locking holes of the upper container in the two containers arranged one above the other, and the lower locking hooks (the second locking hook and the fourth locking hook) are arranged above and below The corner lock holes of the lower container in the two containers match. In this way, the upper and lower locking hooks of each locking device simultaneously lock the container and can generate an upward supporting force to the container, compared with the case where there is only one locking hook for each locking device in the prior art, the spreader is for the container The force is more stable. 3. The stacker spreader of the present invention may further comprise two auxiliary racking devices, which may be arranged in a non-interfering position that does not interfere with the truck fence, from the top of the spreader to the container When the telescopic portion of the retractable tray device is retracted in the process of being placed in the container truck, the two auxiliary tray devices can function as a tray.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The invention will now be described in further detail with reference to the drawings. DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description For some embodiments of the present invention, other drawings may be obtained from those skilled in the art without departing from the drawings.

Figure 1 is a schematic view showing the structure of a fenced container loaded with two 40-foot containers;

Figure 2 is a schematic view showing the structure of a fenced container loaded with four 20-foot containers;

Figure 3 is a front elevational view of a stacker spreader in accordance with a first embodiment of the present invention; Figure 4 is a left side elevational view of the stacker spreader of Figure 3;

Figure 5 is a top plan view of the stacker spreader of Figure 3;

Figure 6 is a top plan view showing a locking device of the stacker spreader of Figure 3; Figure 7 is a left side enlarged view of a locking device of the stacker spreader of Figure 3; A schematic diagram of a state of the stacker spreader of the first embodiment of the invention before the retractable tray device is unretracted when the container is boxed;

Figure 9 is a schematic view showing a state in which the retractable tray device is retracted when the container is boxed according to the first embodiment of the present invention; Fig. 10 is a view showing a state in which the retractable tray device is retracted and then retracted when the container is boxed according to the first embodiment of the present invention.

illustration

1, bracket 2, shrinking cylinder

3, the main beam 4, the first side beam

5, the second side beam 6, the first locking device

7, the second locking device

9, container 10, container truck

101, fence

41. The first carrier cylinder 51, the second carrier cylinder

61. The first lock hook 62 and the second lock hook

63, the first side hug 64, the second side hug

65, the first hook cylinder

71, the third lock hook 72, the fourth lock hook

73, the third side hook 74, the fourth side hug

91. Corner piece lock hole

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

As shown in FIGS. 3, 4 and 5, a stacker spreader according to a first embodiment of the present invention includes a bracket 1, a main beam 3, a first side beam 4, and a second side rail 5. Wherein, the bracket 1 is fixed on the stacker frame (not shown); the main beam 3 is mounted on the bracket 1; the first side beam 4 and the first The two side rails 5 are respectively installed at both ends of the main beam 3. The first side beam 4 and the second side beam 5 are respectively provided with a first locking device 6 and a second locking device 7 for locking the container. The lower end of the first side beam 4 and the second side beam 5 are respectively provided with a first retractable tray device and a second retractable tray device, and the first retractable tray device and the second retractable tray device respectively have The expansion and contraction portion can be extended and retracted in the direction of the container in which the spreader is suspended.

The telescoping portion of the first retractable tray device and the telescoping portion of the second retractable tray device hold one side of the container when extended, counteracting the rotational tilt of the container on the vertical plane. During the lifting of the container by the stacker spreader and transport to the container truck, the two extensions are extended to serve as a tray. During the process of placing the container into the container truck from top to bottom, when the two telescopic portions are about to touch the fence of the truck, the telescopic portion is temporarily retracted, so that the telescopic portion does not interfere with the fence of the truck, so that The container can be normally loaded and unloaded with the container truck loaded with a fence.

Preferably, as can be seen from FIG. 3 and FIG. 4, in the embodiment, the two telescopic carrier devices are both oil cylinders, wherein the first telescopic carrier device is the first carrier cylinder 41, the first The cylinder of the carrier cylinder 41 is fixed on the first side sill 4, and the piston rod extends in the direction of the container hoisted by the hoist; the second telescopic cradle is the second sump cylinder 51, and the second sump cylinder 51 The cylinder is fixed to the second side member 5, and the piston rod extends in the direction of the container in which the spreader is suspended.

It can be understood that the piston rods of the two carrier cylinders respectively form the expansion and contraction portions of the two carrier cylinders. When the piston rods of the first carrier cylinder 41 and the second carrier cylinder 51 are extended, the two piston rods The end holds one side of the container, counteracting the tendency of the container to rotate on the vertical plane. During the lifting of the container by the stacker spreader and transport to the container truck, the hydraulic oil is introduced into the rodless cavity of the first carrier cylinder 41 and the rodless cavity of the second carrier cylinder 51 by the hydraulic system, thereby The piston rod of the carrier cylinder 41 and the piston rod of the second carrier cylinder 51 are extended to function as a carrier. In the process of placing the container into the container truck from top to bottom, when the two piston rods are about to touch the fence of the truck, the hydraulic oil enters the rod chamber of the first carrier cylinder 41 through the hydraulic system and the first The two tray cylinders 51 have a rod cavity, so that the piston rods of the two tanks are retracted, and do not interfere with the fence of the truck, so that the set can be The container truck is normally loaded and unloaded in the case of a fenced truck. The retractable carrier device is set in the form of a carrier cylinder, and the cylinder is easy to operate, and the piston rod of the carrier cylinder can form a telescopic portion.

Preferably, the first locking device 6 and the second locking device 7 are disposed at the center of the first side member 4 and the second side member 5, respectively, below the main beam 3. This is different from the case where the locking device is located above the main beam in the conventional double box spreader of the prior art. This feature of the invention allows the operator of the stacker to have a very good view.

Preferably, as shown in FIGS. 5, 6, and 7, in the present embodiment, the first locking device 6 includes a first locking hook 61 and a second locking hook 62 extending in parallel toward the direction of the container 9, wherein The second locking hook 62 is located directly below the first locking hook 61; the second locking device 7 includes a third locking hook 71 and a fourth locking hook 72 extending parallel to the direction of the container 9, the fourth locking hook 72 being located The third lock hook 71 is directly below. 6-10, it can be understood that the first lock hook 61 and the second lock hook 62 respectively match the corner lock holes 91 of the two containers 9 arranged up and down, specifically, the first lock hook 61 and the upper container The lower corner piece locking holes 91 of one side of 9 are matched, and the second locking hook 62 is matched with the upper corner piece locking hole 91 of the same side of the lower container 9; the third locking hook 71 and the fourth locking hook 72 respectively The corner lock holes 91 of the two containers 9 arranged up and down are matched, specifically, the third lock hook 71 is matched with the lower corner lock hole 91 on the other side of the upper container 9, and the fourth lock hook 72 is below The upper corner lock holes 91 on the other side of the container 9 are matched.

When operating the stacker, drive the stacker forward so that each lock hook enters its matching corner piece lock hole, thereby locking the position of the container relative to the spreader, and then controlling the spreader to rise slightly, so that the neck of each lock hook The part is closely attached to the upper wall of the lock hole of the container corner piece, so that the container can exert an upward supporting force at the same time.

It can be understood that the upper and lower locking hooks of each locking device simultaneously lock the container, and can generate an upward supporting force to the container, compared with the case where there is only one locking hook for each locking device in the prior art. The force is more stable.

Preferably, as shown in FIG. 5, FIG. 6, and FIG. 7, in the embodiment, the first locking device 6 further includes a first side hoop 63 and a second side hug 64 extending in parallel, and the second side The hook 64 is located directly below the first side hug 63, the first side hug 63 and the second side hug The corner lock holes 91 of the containers 9 are matched; likewise, the second locking device 7 further includes a third side hoop 73 and a fourth side hug 74 extending in parallel, and the fourth side hug 74 is located at the third Immediately below the side hugs 73, the third side hugs 73 and the fourth side hoops 74 are matched along the respective keyholes 91. Specifically, the corner lock holes 91 of the corner lock holes 91 that are engaged with the first lock hooks 61 on the same horizontal surface as described above are matched with the first side hugs 63, as described above. The corner lock holes 91 of the corner lock holes 91 that are engaged with the second lock hooks 62 on the same horizontal plane are matched with the second side hugs 63. The cooperation of the third side hook 73 and the fourth side hook 74 with the corner lock hole is similar to the first lock hook 61 and the second lock hook 62, and details are not described herein again.

When the stacker is operated, after the lock hooks are engaged with the corner pieces of the container corner pieces, the side hooks are controlled so that the heads of the respective hooks enter the matching corner piece lock holes. Thereby, the fixing of the sides of the container stacked up and down is realized by the respective hooks.

Preferably, as shown in FIGS. 5-7, the first locking device 6 further includes a first hook cylinder 65, the piston rod of the first hook cylinder 65 simultaneously with the first side hook 63 and the second side hook 64 Connecting, controlling rotation of the first side hug 63 and the second side hug 64 on a horizontal plane; the second locking device 7 further includes a second hug cylinder 75, and the piston rod of the second hug cylinder 75 is simultaneously and thirdly The side hugs 73 and the fourth side hugs 74 are coupled to control the rotation of the third side hugs 73 and the fourth side hugs 74 on a horizontal plane.

By controlling the first hook cylinder 65 and extending the piston rod, the first side hug 63 and the second side hug 64 are simultaneously rotated by 90 degrees, so that the first side hug 63 and the second side hug The head of 64 enters the corresponding corner piece lock hole. Similarly, by controlling the second hook cylinder 75 to extend the piston rod, the third side hook 73 and the fourth side hook 74 can be rotated 90 degrees simultaneously, so that the third side hook 73 and the fourth side The head of the side hoop 74 enters the corresponding corner piece locking hole.

In addition, preferably, as shown in FIG. 4 and FIG. 8-10, the first auxiliary frame device and the second auxiliary frame device 53 are respectively disposed on the first side beam 4 and the second side beam 5, and the first auxiliary device The tray device and the second auxiliary tray device 53 are respectively disposed below the first locking device 6 and the second locking device 7, and extend toward the container 9 in which the spreader is suspended. More preferably, the first An auxiliary tray unit and a second auxiliary box unit 53 are respectively disposed on the first side member 4 and the second side member 5 at non-interference positions that do not interfere with the truck fence.

In the process of lifting the container from the stacker and transporting it to the container truck, when the spreader loads the container from top to bottom into the container truck, the first retractable tray device and the second retractable tray device When the upper telescopic portion is about to touch the fence of the truck, the telescopic portion is temporarily retracted, so that the telescopic portion does not interfere with the fence of the truck. At this time, the side of the container which is originally held by the telescopic portion of the first retractable tray device and the second retractable tray device is supported by the first auxiliary tray device and the second auxiliary tray device 53.

The process of lifting the container from the container truck using the stacker spreader also requires the telescopic portion of the retractable tray to be temporarily retracted. The process of lifting the container is the reverse of the process of loading the container, and will not be described here.

Further, preferably, upper portions of the first side beam 4 and the second side sill 5 are respectively provided with a first guide box plate and a second guide box plate 52; the first guide box plate and the second guide box plate 52 respectively have outward Extended pair of box guides. The first guide box and the second guide box 52 serve to position the container to the box when the spreader is loaded/unloaded.

As shown in FIG. 3, in the present embodiment, the telescopic cylinder 2 is further provided, and the piston rod of the telescopic cylinder 2 is extended and retracted, and the distance between the first side member 4 and the second side member 5 can be adjusted. . For example, when the telescopic cylinder 2 extends out of the piston rod, the spreader can hoist the 40-foot container. When the telescopic cylinder 2 retracts the piston rod, the spreader can lift the 20-foot container.

According to another aspect of the present invention, there is also provided a stacker provided with any of the above stacking implements. The stacker does not interfere with the fence of the truck during the loading of the container from top to bottom, making it possible to load and unload the container normally when the container truck is fenced.

A person skilled in the art can understand that the drawings are only a schematic diagram of a preferred embodiment, and the modules or processes in the drawings are not necessarily required to implement the invention.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are included in the spirit and scope of the present invention, should be included in the present invention. Any changes that can be made by those skilled in the art within the scope of protection should fall within the scope of the present invention.

Claims

Rights request

1. A stacking machine, comprising:

The bracket (1) is fixed on the stacker of the stacker;

a main beam (3) mounted on the bracket (1);

a first side beam (4) and a second side beam (5) are respectively installed at two ends of the main beam (3), and the first side beam (4) and the second side beam (5) are respectively disposed There is a first locking device (6) and a second locking device (7) for locking the container (9),

It is characterized in that

The first side beam (4) and the lower end of the second side beam (5) are respectively provided with a first retractable tray device and a second retractable tray device, the first retractable tray device and The second retractable tray devices each have an expansion and contraction portion that can be extended and retracted in the direction of the container (9) to which the spreader is suspended.

2. A stacker according to claim 1 wherein:

The first telescopic carrier device is a first carrier cylinder (41), the cylinder of the first carrier cylinder (41) is fixed on the first side beam (4), and the piston rod is facing the spreader The direction of the suspended container (9) extends;

The second telescopic carrier device is a second carrier cylinder (51), and the cylinder of the second carrier cylinder (51) is fixed on the second side beam (5), and the piston rod is facing the spreader The direction of the suspended container (9) extends.

3. The stacker spreader according to claim 1, wherein the two locking devices are respectively disposed at a middle portion of the first side beam (4) and the second side beam (5), Below the main beam (3).

4. The stacker of claim 3, wherein

The first locking device (6) includes a first locking hook (61) and a second locking hook (62) extending parallel to the direction of the container (9), the second locking hook (62) being located in the Directly below the first lock hook (61), the first lock hook (61) and the second lock hook (62) respectively match the corner lock holes (91) of the two containers (9) arranged one above the other;

The second locking device (7) includes a parallel extension toward the direction of the container (9) a third lock hook (71) and a fourth lock hook (72), the fourth lock hook (72) is located directly below the third lock hook (71), the third lock hook (71) and The fourth lock hooks (72) are respectively matched with the corner lock holes (91) of the two containers (9) arranged one above the other.

5. The stacker of claim 4, wherein

The first locking device (6) further includes a first side hug (63) and a second side hug (64) extending in parallel, and the second side hug (64) is located on the first side Directly below the hug (63), the first side hug (63) and the second side hug (64) are rotatable on a horizontal plane along respective longitudinal axes and respectively respectively arranged with two containers arranged up and down (9) ) the corner piece lock holes (91) match;

The second locking device (7) further includes a third side hug (73) and a fourth side hug (74) extending in parallel, and the fourth side hug (74) is located on the third side Directly below the hug (73), the third side hug (73) matches the corner lock hole (91) of the fourth side hug container (9).

6. The stacker spreader of claim 5, wherein

The first locking device (6) further includes a first hook cylinder (65), the piston rod of the first hook cylinder (65) simultaneously with the first side hug (63) and the second side a hook (64) is connected to control rotation of the first side hug (63) and the second side hug (64) in a horizontal plane;

The second locking device (7) further includes a second hook cylinder (75), the piston rod of the second hook cylinder (75) simultaneously with the third side hug (73) and the fourth side A hook (74) is coupled to control the rotation of the third side hug (73) and the fourth side hug (74) in a horizontal plane.

The stacking implement according to claim 3, wherein the first side frame (4) and the second side beam (5) are respectively provided with a first auxiliary tray device and a second An auxiliary tray device (53), the first auxiliary tray device and the second auxiliary tray device (53) are respectively disposed below the first locking device (6) and the second locking device (7) And extend in the direction of the container (9) where the spreader is suspended.

8. The stacking implement according to claim 7, wherein said first The auxiliary tray device and the second auxiliary tray device (53) are respectively disposed on the first side sill (4) and the second side sill (5) at non-interference positions that do not interfere with the truck fence.

9. The stacking implement according to claim 3, wherein the first side frame (4) and the upper portion of the second side beam (5) are respectively provided with a first guide plate (42) and a second guide box (52); the first guide box (42) and the second guide box (52) each have an outwardly extending pair of box guides.

10. A stacker, characterized in that it is provided with a stacker spreader according to any of claims 1-9.