JP3005148U - Lifting equipment such as water bike - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] To provide a hoisting device for quickly and safely performing a watercraft or the like from land to sea or vice versa. [Structure] Claw keys 1a, 1'a that face inward at the U-shaped open end
The pair of gripping arms 1 and 1'that are formed into a claw key 1a and 1'a
Is attached downwardly and the claw key ends are inwardly opposed to each other.
It is characterized in that both gripping arms 1, 1 ′ are configured with a locking rod 3 for temporarily fixing the gripping arms 1, 1 ′ toward a predetermined distance.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a hoisting device such as a watercraft used when unloading a marine jet such as a watercraft or jet ski from a marine mooring warehouse to the sea or pulling it from the sea and storing it.

[0002]

[Prior art]

 Water bikes and jet skis weigh about 120 kg to 200 kg, and it is light-weight to drop them from land to sea or to lift them from land to land. The equipment is used for the marina, which is a mechanical work using cranes.

[0003]

[Problems to be solved by the device]

 By the way, in the above work, the load of the marine jet is banded, and this is hooked on the lower end hook of the lifting device of the crane, but the work of banding and removing is troublesome and it is suspended in the air. In this case, there is a problem in that the cargo may fall out of the band. The present invention is intended to solve such a problem.

[0004]

[Means for Solving the Invention]

 According to the present invention, a pair of gripping arms having a U-shaped open end formed with an inwardly facing claw key is provided such that the claw key faces downward and the claw key ends face inward so that the upper side of the gripping metal is It is attached with a retaining ring attached so that it can swing freely, and it is composed of a locking rod for temporarily fixing both gripping arms from one gripping arm to the other gripping arm at regular intervals. It is characterized by

[0005]

[Action]

 In order to take it out from the warehouse of the marina and float it on the sea, the hooks of the cranes are hooked to the left and right sides of the taken-out marine jet with the key ends of the gripping arms hooked up and lowered to the sea. On the other hand, in order to pull it up from the sea, pull it down in the crane with the locking rod open at the facing interval that is slightly larger than the width of the marine jet on the port side, and hit the locking rod claw key to the left and right side of the marine jet. Since they are in contact with each other, by removing the locking rods later, the space between the opposing gripping arms is narrowed, and the pawl key ends are bited to the starboard side of the marine jet and lifted.

[0006]

【Example】

 FIG. 1 is a perspective view of a lifting / lowering device according to the present invention, in which reference numerals 1 and 1'represent a gripping arm having a U-shaped open end and an inwardly facing pawl key 1a. Reference numeral 2 indicates the pair of claw keys 1a, 1'a of the gripping arms 1, 1'downward and the claw key ends p are inwardly opposed to each other, and the upper side support rod m is slightly larger. A retaining ring which is inserted into a spectacle ring having a diameter and is mounted in a freely swingable state. A fishing fitting 2a is attached to the center of the spectacle ring.

Reference numeral 3 is a locking rod for enabling the holding arms 1 and 1 ′ to be held at an appropriate fixed interval, and one end thereof is above the one-side holding arm 1 ′ as shown in the partial view of FIG. A circular pipe 3a is loosely fitted to the outer periphery of a supporting rod 4 installed at a certain position, and a grip 3b is attached to the circular pipe 3a so as to project laterally by a certain length. None ladder to be insertable into been U-shape in the rod, and a plurality of stages rods _3c 1 in the intermediate portion, _3c 2, _3c 3. ． ． Is provided.

Therefore, when the locking rod 3 is placed in the horizontal state and inserted into the U-shaped rod of the other gripping arm 1, the gripping arm 3 is supported at a position that horizontally supports the gripping arm 3b. together occupy fitted with a rod 5, the rod _3c 1 in said supporting example rod _5, 3c 2, _3c 3. ． ． A protrusion 6 is provided for engaging with.

FIG. 3 shows a state in which the marine jet 7 is hoisted using the hoisting device having the above-described configuration, and FIG. 3A shows a state in which the hoisting device 1 is unloaded via the hook of the crane 8. . At this time, the opening width L of both gripping arms 1, 1 is to be lifted by the locking rod 3. One step rod of the locking rod 3 is selected so that it is slightly larger than the width l between the left and right port sides of the marine jet 7. The lever and the projection 6 of the support rod 5 are engaged with each other.

FIG. B shows the state where the hoisting tool 1 is lowered to the position of the marine jet 7, and at that time, the engagement with the projection 6 is disengaged and opposed by raising the locking rod 3 a little upward. By automatically narrowing the gap between the gripping arms 1 and 1 ', the claw keys 1a and 1'a at the lower end of the gripping arms bite the left and right side collar plates 7a and 7'a of the marine jet 7 to support them. To engage.

FIG. C shows the state of being lifted in the above state, in which the step rod 3c ₁ of the locking rod 3 and the projection 6 of the support rod 5 of the gripping arm 1 are disengaged. Is becoming.

FIG. D shows a state where the marine jet 7 hoisted on land as described above is lowered to the sea, and FIG. E shows that the locking rod 3 is pushed downward after landing and one of the step rods By bringing the projections 6 into engagement with each other, the gripping arms 1 and 1 ′ are spaced apart from the collar plates 7a and 7′a on the starboard sides of the opposing gripping arms 1 and 1 ′. Let it escape.

In the above description, the marine gent 7 is described as being lowered from land to sea, but the reverse operation is performed to pull it up from sea to land. In the present invention, as the structure of the locking rod for temporarily locking the pair of gripping arms 1, 1 ', other known means can be adopted.

[0014]

[Effect of device]

 The present invention is configured as described above, and the pawl keys 1a and 1'a formed on the lower ends of the pair of U-shaped gripping arms 1 and 1'include the collar plates 7a and 7 on the left and right side of the marine jet. Since'a is supported at four points from the bottom surface, it is possible to maintain a very stable support state, and the hull slips due to weight imbalance as in the conventional banded belt. There is no such thing.

Further, since the engagement between the gripping arms 1, 1 ′ and the hull 7 can be performed simply by operating the locking rod 3 upward, the belt can be wound around the lower part of the hull like a conventional band. No troublesome work such as hanging is required, and quick and efficient work can be performed.

[Brief description of drawings]

FIG. 1 is a perspective view of a lifting tool for a watercraft or the like according to the present invention.

FIG. 2 is a partial detailed view of the lifting device.

3A, 3B, 3C, 3D, 3E, and 3E are operation explanatory views.

[Explanation of symbols]

 1, 1'Grip arm 3 Locking rod 6 Protrusion 7 Marine jet

Claims (1)

[Scope of utility model registration request] 1. A pair of gripping arms each having a U-shaped open end formed with an inwardly facing claw key, with the claw key facing downward and the claw key ends facing inward. It was mounted so that it could be freely slidable with a retaining ring with a lock ring for temporarily fixing both gripping arms from one gripping arm to the other gripping arm at regular intervals. Lifting equipment such as water bikes characterized by this.