JP2588447Y2 - Folding floating bridge fixing device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing device for a foldable floating bridge which is transported in a folded state and is automatically deployed on a water surface such as a river to become a floating bridge.

[0002]

2. Description of the Related Art Conventionally, a floating bridge of this type is mounted on a vehicle in a folded state, transported, and put into a river, so that a floating body is developed in order to enable vehicles and the like to cross rivers in an emergency.
It becomes a floating bridge.

[0003] Such a floating bridge is soldat and
This is shown in SOLDAT UND TECHNIK, May 1979, pages 238 to 289 (published in Germany). But,
The latch device that connects the inner floating body and the outer floating body does not have a lock mechanism.

[0004]

The above-mentioned floating bridge according to the prior art is automatically deployed based on the relationship between buoyancy and its own weight after being unloaded onto the water in a state of being folded by a transport vehicle.

The state of unloading onto the water partially includes free fall and the impact is large, and the latch may come off in a state where the floating bridge has not been deployed yet. In this case, the released latch collides with the latch of the other party. The floating body may be damaged.

It is an object of the present invention to lock the latch so as not to come off when the floating body is unloaded, so that the floating body can be safely unloaded.

[0007]

The above object is achieved by providing a locking mechanism which is held at the tip of a latch device by a ball catch.

[0008]

According to the above construction, the latch device is locked by the ball catch during unloading, so that the latch is held by the spring-supported ball and does not come off even if the latch comes off due to the impact during unloading. .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. Internal floating bodies 1a, 1b and external floating bodies 2a, 2b
The connection and unfolding mechanism is substantially the same as the conventional one. That is, the connecting ends of the floating bodies 1a, 1b, 2a, 2b are connected by the pins 3, 4, respectively, and are deployed by rotating about the pins 3, 4.

An end surface of the floating bridge in the longitudinal direction.
latch devices 7, 8 as devices for connecting the external floating body 2b to the external floating body 2b.
Is installed.

The latch devices 7, 8 are, as shown in FIGS.
A latch 9 supported on a base 12 attached to the inner floating body 1 so as to be rotatable by a pin 11 and a holding portion 10 thereof, and furthermore, a catch 15 of the holding portion 10 attached to the outer floating body 2.

The latch 9 is supported by a spring 14 via a rod 13, and further has a ball catch fitting 16 at its tip, and is locked by a ball catch 17.

The unloading of the floating bridge from the transport vehicle onto the water involves free fall and a large impact, and the support of the spring 14 may cause the latch 9 to come off and impact the receiver 15 to damage the external floating body 2. There is. However, if the spring 14 is strengthened,
Operation becomes difficult and dangerous.

Therefore, the present invention provides a ball catching bracket 16.
The latch 9 is locked by the ball catch 17 so that the latch 9 does not come off during wholesale.

After the floating bridge has been deployed, the latch 9 is manually removed from the ball catch 17 and the latch 9 is rotated and connected to the holder 15 by rotating the latch 9 as shown in FIGS.
And the external floating body 2 are closely connected.

When the floating bridge is folded, the latch 9
The ball catching bracket 16 is locked to the ball catch 17 by being rotated out of the position 5.

[0017]

According to the present invention, the latch device can be locked when the floating bridge is unloaded, so that a safe and reliable unloading operation is possible.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of an embodiment of the present invention.

FIG. 2 is a side view showing a state where the floating bridge of FIG. 1 is being developed.

FIG. 3 is a side view showing an unfolded state.

FIG. 4 is a plan view showing a situation in which a latch device is not used before unloading a bridge;

FIG. 5 is a side view of FIG. 4;

FIG. 6 is a plan view showing a situation in which the latch device is used after the bridge section is deployed.

FIG. 7 is a side view of FIG. 6;

[Explanation of symbols]

1a, 1b: internal floating body, 2a, 2b: external floating body, 3, 4
... Pin, 5 ... Latch, 6 ... Expansion rope, 7 ... Latch device (hanging side), 8 ... Latch device (receiving side), 9 ... Latch, 1
0: Holder, 11: Pin, 12: Base, 13: Rod, 14: Spring, 15: Receiver, 16: Ball catch fitting, 17: Ball catch.

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Katsutoshi Kudo 2-11-11 Oyamada Sakuradai, Machida, Tokyo 33-301 (72) Inventor Fujio Iidaka 1-11-4 Aoba, Sagamihara-shi, Kanagawa (72) Inventor Hisanori Uehara 794 Kazato, Higashi-Toyoi, Kudamatsu City, Yamaguchi Prefecture (72) Inside the Kasado Plant, Hitachi, Ltd. Int.Cl. ⁶ , DB name) E01D 15/20

Claims (1)

(57) [Scope of request for utility model registration] 1. Two internal floating bodies arranged in parallel, an external floating body arranged one by one outside each of the two internal floating bodies, and the internal floating body is provided at one end of a facing surface,
A first pin rotatably connecting the two internal floating bodies, and a surface where the left external floating body and the left internal floating body are opposed to each other. A second pin rotatably connecting the two left floating bodies, and a surface where the right outer floating body and the right inner floating body face each other. At the end, a third pin for rotatably connecting the two floating bodies on the right side and a latch device for connecting the external floating body and the internal floating body after the expansion, and a lock comprising a ball catch on the latch device. A fixing device for a foldable floating bridge, comprising a mechanism.