JPS61197326A - Gantry crane loading bulk cargo onto ship - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention is directed to the production of gold a! 1
The present invention relates to a new gantry crane for loading ships with bulk goods of the known type, conveyed by trolleys moving on loading jibs or by conveying strips supported by stations.

[, Conventional technology]

In the case of standard vessels (vessels with a general standard of loading R), there are mainly two types of conventional loading systems that have been modified to match the effective strength of the jib to the width of the vessel. has been done. However, all of them have problems that need to be solved as described below.

[Problem that the invention seeks to solve]

The first type consists of installing a tilting trolley at a predetermined point along the length of the strip, the purpose of which is to raise the strip at this point to create an incline from which the bulk goods can be opened. . Although this solution keeps the jib at its maximum length and the support station and conveying strip must run over the entire length, it has the disadvantage that only a small portion of the solder is used effectively. moreover,
This tilting trolley device means a tilted conveying strip, which means that the jib itself cannot be further tilted,
Otherwise the total slope will exceed the maximum angle, resulting in
Bulk goods will no longer be conveyed by strips.

The second type is the use of telescoping loading jibs, in which one section of the jib slides lengthwise into the other to create a running path of the correct length for each loading operation at the support station. It was designed to be given. Although the drawbacks of the first type have been eliminated, it is necessary to leave sufficient space behind the jib structure in order to retract the sliding parts, which of course adds to the bulk and poses a serious problem. is occurring.

The present invention provides a third solution to these problems and attempts to eliminate all of these inconveniences.

SUMMARY OF THE INVENTION According to the measures described in the invention, a length of conveying strip is connected to a length of n by a flexible connector.
The first of these stationcons, the station located at the very front of the loading jib, is connected to a trolley acting as a tilting trolley, and The conveying strip, which is mounted to move on the running path and follows the tilting trolley, passes through a reversing station connected to said trolley and then passes through a stationary station installed at the end of the jib so that the tilting trolley The movement causes the distance between the support stations to change and, as a result, also the working length of the strip, such that for a constant overall length said change in working length is balanced by the travel of the reversing station. Corrected.

Having a loading system in which the conveyor V is perfectly horizontal, while the direction of the jib nevertheless remains constant, in this way a variable working length can be obtained over the entire length of the jib. become.

[Embodiments of the invention]

The invention will now be explained in more detail using the embodiments shown in the accompanying drawings.

Referring first to FIG. 1, a gantry crane according to the invention comprises a support structure 1, shown here as fixed, but movable on rails along a pier 2, and a support structure 1 capable of pivoting about a vertical axis 4. , consisting of a loading jib 3 which is also raised somewhat by a horizontal axis 5 in the usual manner.

The length of the jib 3 is at least equal to the width of the vessel 6 from the point of view of loading it with bulk goods conveyed on a conveying strip, generally designated 7, and the conveying strip 7 is Transporting bulk goods onto a loading device with variable adjustable height between position AV and rear position AR.

The present invention relates to an identification device that allows the tilting point of the conveying strip 7 to be moved between a front position and a rear position.

To understand this effect, consider FIGS. 2 and 3, in which the upper segments 7a of the conveying strip 7 are each supported by a trolley, generally indicated by the reference numeral 8, and the trolley 8 is inserted into the loading jib 3. It consists of a conventional frame 9 supported on wheels 10 which move on a traveling path 11 located thereon.

The strip 7a is itself supported by a set of rollers, indicated schematically by the reference numeral 12, and is spaced apart for each trolley so as to form a recessed area into which the conveying strip fits. Since all such structures are conventional, it seems unnecessary to explain them here.

According to the invention, the trolley 8 has a flexible coupling 1
3, the length of the coupling 13 is constant between each trolley, the rear trolley is connected with this coupling 13 to the fixed point 14 of the jib, while the front trolley is connected with the coupling 13 to the same running path 11. 16.
The two sets of reversing rollers 16 and 17 move together with the trolley 15, while one set of reversing rollers 18 is fixedly installed at the R front part of the jib 3 and is connected to the tilting trolley 15 that supports the jib 3. The lower part of the strip 7 is caused to be reversed backwards.

When the trolley 15 reaches its forwardmost position, ie the forward end of the loading jib 3, it exerts maximum traction on the coupling 13, and thus the trolleys 8 are fully extended apart from each other over the entire length of the jib 3.

This is the forward unloading position (maximum unloading position).

Conversely, if the trolley 15 moves in the direction aft of the jib 3 as shown in FIG.
completely loosens when reaching the maximum unloading position).

In this case, the belt 7 maintains a constant length and the distance traveled from the frontmost position to the position shown in FIG. 3 is equal to the reversal portion 7C of the belt or trolley 15.

In fact, as shown in FIG. 4, the movement of the trolley 15 is controlled by a conveying device as shown by a chain 19, and the chain 19 also controls the chute 21 via the trolley 20. The bulk goods conveyed on the strip 7a are opened. The spout 22 is then drilled and loaded at the end corresponding to the location of the roller 16.

The trolley 15 practically serves as a tilting trolley without tilting, which eliminates the aforementioned drawback of requiring an excessive tilting of the conveying strip in the case of the tilting tri-row type, and in this way allows the jib 3 to be It can be lifted to higher angles than was possible with conventional equipment.

Furthermore, due to the retractable feature of the station, it is now possible to change the working length of the strip 7a, thus changing the support station in front of the strip 7a as in the previously described embodiments. Make it unnecessary.

Finally, of course, the loading jib 3 is of constant length, which also solves the problems of conventional cumbersomeness mentioned earlier.

Besides what follows from the above points, among the features of such a device, it is useful not only for very large ships, where the entire length of the jib is used, but also for telescoping tiS of tilting trolleys or loading jibs.
It would be possible to load ships of all capacities, such as small barges, which could not be loaded along the wharf with previous devices due to their considerable length.

The present invention thus provides a highly beneficial solution to many of the challenges encountered in conventional types of IUTs.

[Brief explanation of drawings]

Fig. 1 is an overall view of the gantry crane according to the present invention, Fig. 2 is an overall view of the gantry crane according to the invention;
3 is a schematic representation of the device according to the invention in the fully extended state, FIG. 3 is a schematic representation similar to FIG. 2 but in the retracted state, and FIG. 4 is a detailed view of the tilting trolley and its attached elements. be. DESCRIPTION OF SYMBOLS 1... Support structure, 2... Wharf, 3... Loading jib, 4... Vertical axis, 5... Horizontal axis, 6... Ship, 7...
... Conveying strip, 7a... Upper segment of the conveying strip 7, 7C... Belt or reversing part of trolley 15, 8.20... Trolley-19... Frame, 1o... Wheels, 11...・・Travel passage, 12...1
Group roller, 13...Flexible connector, 14...
・Fixed point of jib 3, 15...Tilt trolley, 16.1
7.18... Reverse roller, 19... Chain, 21.
...Chute, 22... spout. Applicant's agent: Sato - Ii Proceedings (method) March 2r, 1985 Commissioner of the Patent Office Mr. Uga Tsububu 1, Indication of the case 1985 Patent Application No. 263591 2, Name of the invention on board Gantry crane 3 for loading bulk goods, relationship with famous case for amendment Patent applicant Pe, Ash, Bae, Somral 4, agent (zip code 100) February 5, 1986 (shipment date Showa (February 25, 1961) 6. "Patent applicant" column, power of attorney, and drawings of the application to be amended. 7. Contents of the amendment (1) As shown in the attached sheet (2) Engraving of the drawing (no change in content).
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Claims (1)

[Claims] In a gantry crane for loading bulk goods onto a ship of the type in which the bulk goods are conveyed by means of a conveying strip supported by a support station moving on a loading jib that extends laterally on the ship, the conveying strip is of constant length; The support stations are connected to each other by a length of flexible coupling, the foremost support station being connected at the front to a tilting trolley to transmit traction or reaction movement over the support station; The necessary and sufficient working length of the conveying strip is maintained behind the tilting trolley, and the non-working length of the conveying strip is determined by a pair of reversals installed respectively on said tilting trolley and on the tip of the loading jib. A gantry crane for loading bulk goods onto a ship, balanced by rolls and characterized in that the collection port for opening the bulk goods on the ship is operated by the same device as the device controlling the tilting trolley.