JPH03235783A - Height regulating suspension metal - Google Patents

Abstract

PURPOSE:To facilitate a height varying work by a method wherein a deck is selectively held in two height positions through a cam member rocked in linkage with elevating operation of the deck only by vertically elevating the deck of a ship for loading a cargo, e.g. automobiles. CONSTITUTION:A suspension metal 10 comprises a round rodform suspension rod 20 having a lower end part revolvably mounted on a deck 2, and a body member 30 suspended from a ship hull 1. The suspension rod 20 is provided with a relatively large truncated first suspension part 22 located to the upper end part thereof, a relatively small truncated second suspension part 23 located below the first suspension part, and a truncated kicker 24 located therebelow. Meanwhile, the body part 30 has a pair approximately L-shaped cam members 31 rockably supported by respective support pins 32. Each cam member 31 has a leg part 311 or 312 brought into pressure contact with a stopper 33 through energization of a compression coil spring 34 according to a rotation state produced by the kicker 24, and is selectively engageable with the suspension parts 22 and 23.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a height system for supporting a deck for loading cargo such as automobiles at two vertical height positions in a ship, for example, a cargo ship for transporting automobiles. This relates to a hanging metal fitting for adjusting the height.

Fast! 1 branch! Conventionally, in so-called RORO ships, PCC ships, ferries, etc., vehicles such as cars and other cargo are suspended from an upper fixed part via hanging metal fittings such as decks and ramps for loading vehicles such as cars and other cargo inside the hull. Many supported facilities are installed, and the height of these decks, lamps, and other facilities can be adjusted depending on the type of cargo such as cars that is to be loaded on top of them. The thing is
Used a lot.

Conventionally, for this height adjustment, several sets of hanging rods are attached to the deck or the like at their lower ends, and these hanging rods are attached above the deck and correspondingly depending from the hull. It is common practice to connect the hanging bracket to the body of the hanging bracket via a pin, but in this case, the hanging bracket has at least two holes in the height direction.
The height of the deck etc. is adjusted to the desired height by drilling holes in the steps and selectively inserting pins into these holes. That is, when it is necessary to adjust the height of a deck, etc., remove the pin manually or hydraulically, move the deck etc. to the desired height using a winch, etc., and then, at that position, Insert the pin into the hole in the hanging bracket manually or
The deck is held in this position by being inserted using hydraulic pressure.

However, when adjusting the height of a deck, etc., manually or hydraulically removing or inserting pins is a very complicated task due to the large number of pins required. In addition, when operating with hydraulic pressure, etc., hydraulic cylinders, hydraulic piping, hydraulic control devices, etc. are required, so not only is the equipment complicated, but there is also a risk of failure of the hydraulic equipment. This has been a problem for a long time.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the problems with the conventional hanging fittings and to provide a height-adjustable hanging fitting that can adjust the height of a deck or the like.

In order to solve this problem, the 1st aspect of the present invention includes a main body member that has the same vertical center line and is suspended from an upper fixed part, and a main body member that has the same vertical center line. a suspension rod connected at its lower end to the load to be supported and suspended;
Attach a pair of support pins, and each support pin has a
A substantially polygonal vertical plate-shaped cam member having a first side and a second side that intersect with each other in the upper portion is rotatably attached, and each cam member has a first side and a second side that intersect with each other. In a first pivot position in one direction, the intersections are separated by a first distance such that the first side extends horizontally and the second side forms a hypotenuse that slopes upwardly toward the vertical centerline. but in the first pivot position in the other direction, the second sides are upright with a second spacing greater than the first spacing, and the suspension bar has an upper end thereof. a plate-shaped first suspended portion having a horizontal surface with a dimension larger than the second spacing; and a horizontal surface spaced downwardly therefrom with a dimension smaller than the second spacing, but larger than the first spacing; A plate-shaped second suspension part having a second suspension part and a plate-shaped kicker spaced downward from the second suspension part and having a dimension smaller than the second interval but larger than the dimension of the horizontal plane of the second suspension part are integrally provided, Further, a compression coil spring is disposed between each cam member and the main body member at a position above the support pin, and the center line of the compression coil spring is such that the cam member is in a first rotation position and a second rotation position. A height adjusting hanging fitting that passes through the connecting point of the compression coil spring to the main body member and the connecting straight line with the support pin from one side to the other when rotating between the
This is a characteristic feature.

1-ri-1 Hereinafter, the height adjustment hanging metal fitting according to the present invention will be described in detail based on the attached drawings showing embodiments thereof.

First, as shown by solid lines in FIG. 1, a deck (
(or a lamp, etc.) 2 is suspended in a fixed position below, but this deck 2 has several sets of pulleys 3 attached to it and is wound around these pulleys 3, and is suspended in a position above the deck 2. The ship can be raised and lowered by appropriate means such as a winch via a lifting cable 4 attached to the hull 1, and the raised position is indicated by a chain line as deck 2°. There is.

The hanging fitting 10 according to the present invention has the function of firmly holding such a deck 2 in the lower fixed position shown by the solid line 2 in FIG. 1 and in the upper installed position shown by the chain line 2'. However, this hanging fitting 10 does not require any manual operation or hydraulic mechanism when the deck 2 is raised and lowered by a lifting drive mechanism such as a pulley 3 and a lifting drive cable 4. Moreover, the deck 2 can be firmly supported at a desired installation position without interfering with the vertical movement of the deck 2.

Now, the hanging fitting 10 according to the present invention can be broadly divided into a round rod-shaped suspension rod 20 whose lower end is rotatably attached to the deck 2, and a suspension rod 20 whose upper end is suspended from the hull 1 at the upper part of the deck 2. It consists of a main body member 30 which is adapted to be attached as shown in FIG.
An elongated plate member 30 having a pair of parallel, spaced dovetails, diamonds. Each plate member 3
01 has an upper end attached to the hull so that it can be rotated, and a suspension rod 20 whose lower end is attached to the deck 2 so that it can be rotated within the space, and whose longitudinal center line X-X is It extends vertically to coincide with the vertical centerline XX of the main body member 30.

Among these, the suspension rod 20 is a rod body 20 in the shape of a round rod having an appropriate diameter and length, as shown by the solid line in FIG.
．． At its lower end, a centerpiece 21 is formed for pivotally connecting it to the deck 2, and at its upper end, it has a horizontal lower surface and a large outer diameter. The upper surface is a truncated conical surface 222.
The truncated conical first suspended portion 22 is connected to the rod body 20. is integrally formed so as to have the same center as the vertical center line and a truncated conical surface 232 are integrally formed, and further below the second suspended portion 23 is an annular surface 23. spaced apart from the horizontal annular surface 22 . of the first suspended portion 22 and the second suspended portion 23 . A truncated cone-shaped kicker 24 consisting of a horizontal annular surface 241 and a truncated conical surface 242 having an outer diameter intermediate between the outer diameters of and 231 is fixed. However, this kicker
The truncated conical surface 24□ of 24 is directed downward.

On the other hand, in the main body member 30, within the interval between the pair of plate members 301 constituting the main body member 30, there is a symmetrical structure with respect to the vertical center line To,
A pair of plate-shaped cam members 31 having an L-shaped outline are attached to both leg portions 31. and 312, a pair of support pins 32 arranged in the same horizontal plane.
Each is rotatably attached via the

Note that the outer surfaces of these leg portions 311 and 31□ intersect at an obtuse angle, and from the intersection, they are inclined downward in the horizontal direction and parallel to the vertical center line X- in the vertical direction.
It consists of inclined surfaces 3111 and 3121 that are inclined in the direction of , and for this purpose, between the inclined surface 3121 of the opposing vertical leg portion 312 of each cam member 31, which is inclined with respect to the vertical, and the top surface 31°2 connected thereto. have a tendency to rotate around each support pin 22 so that the intersection points 3123 of .

Therefore, in the present invention, the cam member 31 is prevented from pivoting around the support pin 32, and the top surface 312□ of the vertical leg portion 31° is maintained horizontally.
A cam member 31 is provided on the inner surface of the plate member 301 of the main body member 30.
A plate-shaped stopper 33 is provided which has a straight portion 331 that contacts the inner surface 3112 of the horizontal leg portion 311 of the holder. In this case, the mutually opposing vertical leg portions 312 of each cam member 31 have an opposing inclined surface 31□1 inclined with respect to the vertical direction, and the inclined surface 31
21 and its horizontal top surface 312□
3 is a rod body 20. of the suspension rod 20. The rod body 20. The horizontal annular surface 2 of the second suspended portion 23 formed in
It is smaller than the outer diameter of 31,
In this state, as shown by the solid line in Figure 2,
At the top surface 3122 of the vertical leg portions 312 of these cam members 31, the suspension rod 20 is connected to its second suspension portion 2.
3 horizontal annular surface 23. However, it will be clear from the following description that these top surfaces 312□ can also support the horizontal annular surface 221 of the first suspended portion 22. Further, between the plate member 301 of the main body member 30 and the top surface 3122 of the mutually opposing vertical leg portions 312 of the cam member 31, near the intersection corner 3125 with the inner surface 31□4 thereof. A compression coil spring 34 is arranged at each end 3 of
41 and 342 are connected to the vertical leg portions 31□ of the plate member 301 and the cam member 31, respectively. For example, in the case of the cam member 31 shown by the solid line on the right side in FIG. However, this rotation tends to cause the cam member 2 to rotate.
The contact between the inner surface 3112 of the horizontal leg portion 31 and the straight portion 33 of the stopper 33 maintains the cam member 31 in the solid line position. In addition, this cam member 31
When rotating clockwise around the support pin 32,
The compression coil spring 34 is compressed to compress the inner surface 312 of the opposing vertical leg portion 32□ of the cam member 31. But stopper 3
By contacting the corner 332 of No. 3, the state shown by the chain line in FIG. 2 is assumed, and in this state,
The inclined surfaces 31 □ of the opposing vertical leg portions 312 of the cam member 31 assume a substantially vertical position, and in this case, the opposing vertical leg portions 312 of both cam members 31 The distance between the inclined surfaces 31□,
0 horizontal annular surface 23 of the second suspended portion 23. and a horizontal annular surface 22 . of the first suspension portion 22 , which is larger than the outer diameter of the annular surface 241 of the kicker 24 . It shall be smaller than the outer diameter of.

In this way, each of the first and second suspension portions 2 of the suspension bar 20
The dimensions and positions of 2 and 23 and each cam member 31 are determined in advance so as to satisfy the above relationships.

Additionally, each end 34 . of the helical compression spring 34 . and 342, and the end 34 of the compression coil spring 34 on the body member 30 side. and the straight line P-P connecting the center of the support pin 22, the support pin 3 of the cam member 31 is
When turning around 2, the former shall be placed so that it exceeds the latter. That is, the cam member 31
When pivoting around the support pin 32 between the solid line position and the chain line position, the center line S-8 of the compression coil spring 34 is aligned with the center of the support pin 22, which is the pivot point of the cam member 31, and the compression coil spring 34. Straight line P-P connecting the upper end 341 of 34
The point is to pass through the dead center determined by .

One embodiment of the present invention has the above configuration, and its operation will be explained next.

First, when the deck 2 is in its lowermost position, as shown by solid lines in FIG. Slope 3 of opposing vertical leg portions 312
121 is placed in a tilted state and intersects with it 3123
The top surface 3122 that is connected to the top surface 3122 is in a horizontal state, and the inner surface 3112 of the horizontal leg portion 311 is connected to the straight portion 33. of the stopper 33. each cam member 31
is held in this state. In addition, the compression coil spring 33 is in the state shown by the chain line 1 in the figure, and its center line S-8 is determined by the straight line P-P connecting its upper end 341 and the center of the support pin 32. It occupies a position above the dead center.

With each cam member 31 in this state, the suspension rod 20 is suspended from the horizontal annular surface 22 of the first suspension portion 22 integrally formed at the upper end of the rod body 20°. by resting on the horizontal top surface 3122 of the vertical leg portion 312 of each cam member 31 (as shown as ^ in FIG. 1).
The deck 2 is held in its lowermost position via a suspension rod 20.

In this state, the second suspension portion 23 fixed to the rod body 20° of the suspension rod 20 below the first suspension portion 22 is connected to the opposing vertical leg portions 312 of both cam members 31. It is located below. Further, the relationship between the cam member 31 and the compression coil spring 31 in this state is shown in detail by the chain line or solid line 1 in FIG. 3, respectively.

Next, when holding the deck 2 in the lowest fixed position at the upper installation position 2'' shown by the chain line in FIG. It shall be raised via a lifting mechanism. Along with this,
Each suspension rod 20 connected to the deck 2 is also connected to the main body member 3.
In the space between the opposing vertical leg portions 31□ of the pair of cam members 31 installed at However, as the rod body 20° rises, the horizontal truncated conical surface 232 of the second suspended portion 23 fixed thereto changes from the inclined surface 31. of the opposing vertical leg portion 312 of the cam member 31.
The cam member 31 is sequentially rotated around the support pin 32 while compressing the compression spring 34, but the suspension rod 20
Until the second suspended portion 23 of the cam member 31 has completely passed between the cam members 31, the helical compression spring 34
4. By determining the dimensions and relative positions of each member in advance so as not to exceed the dead center determined by the straight line P-P connecting the center of the support pin 32 of each cam member 31. As soon as the horizontal annular surface 231 of the second suspended portion 22 passes through the intersection 31□ of the sloped surface 312 of the vertical leg portion 31□ of each cam member 21 and the top surface 312□, the compression coil The spring 31 is connected to each cam member 31.
A compressive force is then applied around each support pin 32 to return it to the position indicated by solid line I in FIG. Therefore, at this point, when the deck 2 is stopped rising and is lowered, the horizontal annular portion 231 of the first suspension portion 23 will be aligned with the horizontal top surface 312 of the vertical leg portion 312 of the cam member 31.
2, and the deck 2 is held in the installation position above it, shown as the deck 2° in FIG. 1 (see also B in FIG. 1).

On the contrary, as shown in Fig. 1, in order to lower the deck 2', which has been raised to a high installation position in this way, to the lowest fixed position, first, the deck 2' must be moved from that position. , once raised. Along with this, the suspension rod 20 shown by the solid line in FIG. leg part 31
It contacts the inclined surface 312I of No.2. Thereby, each cam member 31 has its vertical leg portion 312 and top surface 31 □
2 is pivoted around the support pin 32 in a direction away from the vertical centerline xx of the suspension bar 20.

In addition, according to this, the compression coil spring 31 is also compressed,
Finally, its centerline S-8 is located at its upper end portion 34. The dead point determined by the straight line PP connecting the center of the support pin 32 and the center of the support pin 32 is passed, and the state shown as ■ in FIGS. 2 and 3 is reached. As a result, each cam member 31 is brought to the state shown as a chain line ■ in these figures. That is, each cam member 31 is held such that the inclined surface 31□ of the vertical leg portion 31□ is in a nearly upright state. Note that the horizontal annular surface 24 of the kicker 24. The diameter of the inclined surface 312. of the vertical leg portions 31□ of both cam members 31 in the upright state in this state is determined in advance. It is assumed that the interval is determined to be smaller than the interval between.

Therefore, when the elevation of the deck 2 is stopped in this position and then the deck 2 is lowered from this state, the decker 24 and the second suspension portion 23, which are integrally formed on the suspension rod 20, It freely descends in the space between the inclined surfaces 322 of the vertical leg portions 312 in the upright state of the member 31, and along the way, as shown by the chain line ■ in FIG. annular surface 22.
is the intersection 212. of the inclined surface 31□1 of the vertical leg portion 31□ of each cam member 31 and the top surface 31□2. come into contact with. As a result, each cam member 31 is forcibly pivoted around the support pin 32 in the opposite direction to the upward movement, and assumes the state shown as a solid line I in FIG. 2. In addition, along with this, the compression coil spring 34
is its upper end 34. and the center of the support pin 32, which is determined by the straight line P-P, and reaches the state shown as the chain line I in the figure. In this way, the top surface 3122 of the vertical leg portion 31□ of each cam member 31
is horizontal, and when the horizontal annular surface 221 of the first suspension portion 22 is placed thereon, the deck 2 is held in the lowest fixed position.

In addition, in FIG. 3, the chain line ■ indicates the compression coil spring 34.
indicates an intermediate position moving from one side to the other beyond its dead center.

Since the device of the present invention has the above-mentioned configuration, it solves the problems of conventionally known devices and has a simple structure.
To provide a height-adjusting hanging fitting with reliable operation. Although the above description describes the hanging fitting according to the present invention as being used on a ship, this lifting fitting is not limited to such a thing, and can be used for lifting using lifting driving power. It goes without saying that the present invention can be applied to all devices in various technical fields.

[Brief explanation of drawings]

FIG. 1 is an explanatory front view showing a ship equipped with a hanging fitting according to the present invention together with a deck suspended therefrom;
FIG. 2 is an overall front view showing one embodiment of the present invention, and FIG. 3 is an enlarged explanatory view showing the relationship among the cam member, compression coil spring, suspension rod, etc. 1... Hull, 2... Deck, 20... Suspension bar, 2
2... First suspension part, 23... Second suspension part, 24
...Kitsuka, 30... Main body member, 31... Cam member, 31. ...Horizontal leg portion, 312...Vertical leg portion, 32...Support pin, 33...Stopper, 34...Compression coil spring. Patent applicant Kyokuto Mac Gregor Co., Ltd. = 632-

Claims (1)

[Claims] 1. A body member having the same vertical centerline and adapted to be suspended from an upper fixed part, and a body member adapted to be supported and suspended by the body member. It consists of a suspension rod whose lower end is connected to a load, and a pair of support pins are attached to the main body member on the same horizontal plane at symmetrical intervals with respect to the vertical center line, and each support pin has a ,
A substantially polygonal vertical plate-shaped cam member having a first side and a second side that intersect with each other in the upper portion thereof is rotatably attached to each cam member, and each cam member has a first side and a second side that intersect with each other. , in a first pivot position in one direction, the intersections are separated by a first distance, the first side extends horizontally and the second side has a hypotenuse that slopes upwardly toward the vertical centerline. form, but in a second pivot position in the other direction,
the second sides are vertically spaced apart from each other with a second distance greater than the first distance, and the suspension rod has a horizontal surface at its upper end with a dimension greater than the second distance; a plate-shaped first suspended portion spaced downwardly therefrom, a plate-shaped second suspended portion having a horizontal surface dimension smaller than the second spacing but larger than the first spacing; and integrally provided with a plate-shaped kicker having a dimension smaller than the second interval but larger than the dimension of the horizontal plane of the second suspension part, and further provided with each cam member at a position above the support pin, A compression coil spring is disposed between the compression coil spring and the body member, and the compression coil spring has a center line that is connected to the compression coil spring toward the body member when the cam member pivots between the first pivot position and the second pivot position. A height-adjusting hanging metal fitting characterized in that the connection point of the above and the connecting straight line of the support pin are passed through from one side to the other. 2. It consists of a main body member that is vertically suspended from an upper fixed part, and a vertical suspension member that is supported by the main body member and whose lower end is connected to the load to be suspended. A pair of support pins are attached to the member on the same horizontal plane and spaced symmetrically about the vertical center line of the suspension member, and a plate-shaped cam member is attached to each support pin so as to be rotatable. The member is formed with an intersecting top surface and an inclined surface in its upper portion, and in a first pivot position in a first direction about the support pin, the top surface is horizontal and the inclined surface is formed at its upper end. portions are brought closer to each other with a first spacing apart, and in a second pivot position in the other direction, the inclined surfaces are approximately upright with a second spacing greater than the first spacing. the suspension member has a horizontal profile having a first diameter greater than a second spacing between the upper end thereof and the inclined surface of the cam member spaced downwardly therefrom; a horizontal disk-shaped first suspended portion having a second diameter smaller than the first diameter but larger than the first spacing between the inclined surfaces of the cam member; A horizontal disk-shaped kicker member having a third diameter smaller than the spacing but larger than the second diameter is integrally formed, and a compression film spring is attached to the main body member above the support pin. The compression coil spring is connected at the upper end and connected to the cam member at the lower end, and the compression coil spring connects the upper end with the center of the support pin when the cam member pivots from the first pivot position to the second pivot position. 2. A height-adjusting hanging fitting according to claim 1, which extends beyond the dead point determined by the connecting straight line.