JPS5823837Y2 - Car mounted crane - Google Patents

Description

[Detailed Description of the Invention] The present application relates to an automobile-mounted crane devised to facilitate the loading and unloading of cargo onto and off the platform of an automobile.

To explain the first embodiment, the overall configuration is such that a bearing 3 is fixed to a lower base 2 of a support bracket 1, a support ring 5 is provided to a support column 4 of the support bracket 1, and a bearing 3 is fixed to a lower base 2 of a support bracket 1.
A swing pole 8 having a support member I of a fixed boom 6 is inserted and supported in the support ring 5, and the lower end of the fixed boom 6 with a slide boom 9 slidable upward is pivoted to the support member 7. A: A support arm 10 is installed inside the support member 7 so as to be able to move up and down, and the upper end of the support arm 10 and the fixed boom 6 are pivotally connected to give the support member T a force to always rotate toward the support arm 10 side. The engaging claw 11 is pivotally connected to the support arm 10
7 engaged with the engaging claw 11 to prevent it from falling downward.
A figure-shaped cutout 12 is carved, the engagement claw 11 is engaged with the figure-7 cutout 12, a winch 13 is fixed to the upper part of the lower end of the fixed pool 6, and a sheave 14 is pivotally attached to the upper end of the slide pool 9. At the same time, the fixed boom 6 and the slide boom 9 can be stopped at desired positions by the pin 15, and one end of the wire 16 is wound around the winch 13, so that the wire 16
The other end is fixed to the hook 1T via a sheave 14.

Next, details of each part will be explained.

The rotating pole 8 is made of a cylinder, and a rotating shaft piece 8a having an upside-down convex cross section is fixed to the lower end, and the drain hole 8b is flush with the fixed upper end surface of the rotating shaft piece 8a. , and insert the rotating shaft piece 8a into the bearing 3 to attach it.

Two hook-shaped plates 7a are welded to the upper end of the swing pole 8,
A support member 7 is formed by fixing a plate 7b to the lower surface of the plate member 7a and a surface connected thereto, and a pipe 19 having two bearing plates 18 is placed on the upper end of the swing pole 8 within the support member I.
The bearing plate 18 and the plate member 7a of the support member T are fixed with pins 20, and the engaging claw 11 is pivotally attached to the upper part of the pin 20 of the bearing plate 18 with the pin. Handle Il
A is provided, and a spring 21 is stretched between a protrusion 11b provided at the front of the handle 11a and a protrusion 8c provided at the rear of the swing pole 8, so that the engaging pawl 11 always rotates forward. .

The support arm 10 is formed with several stages of 7-shaped notches 12 that engage with the engaging claws 11, and the pipe 19 and the rotating ball 8 are formed in several stages.
The upper end of the boom 6 is pivotally connected to a placket 6a attached to the rear surface of the fixed boom 6 with a pin 22.

Then, the engaging claw 1 is inserted into the 7-shaped notch 12 of the support arm 10.
1 and is pushed by the spring 21, the support arm 10 can easily extend upward.

When lowering, the handle 11a is moved against the spring 21 to remove the engaging claw 11 and the 7-shaped notch 12, and the support arm 10 is pushed inside to tilt the fixed boom 6 down.

The winch 13 is attached to a base 13a at the upper part of the lower end of the fixed boom 6.
The winch 13 is connected to the battery via a switch (not shown). Two brackets 9a are fixed to the upper end of the slide boom 9, and two sheaves 14 are arranged in parallel between the brackets 9a.・Shaft 14. The shaft is fixed at a.

Several pin holes 6b are drilled at regular intervals on the side surface of the fixed boom 6, and one near the lower end of the slide boom 9.
When the pin holes are drilled and the pin holes 6b of the fixed boom 6 and the pin holes of the slide boom 9 match, the pin 15 is inserted from the outside to fix both and adjust the length.

A wire is fixed to a bracket provided inside the lower end of the slide boom 9 and a pin 23 that pivotally connects the fixed boom 6 and the support member I to prevent the slide boom 9 from coming out above the fixed boom 6 beyond a certain level. It is.

24 is a U-shaped wire 16 guide ring that fixes the boom 6.
It is attached to the top of the top.

The base 2 of the crane thus formed is fixed together with the support bracket 1 to an appropriate location on the loading platform of a vehicle.

25 is a U-shaped fixed ring of the wire 16) 9a
is fixed to the bottom of the

Therefore, the wire 16 fixes one end to the winch 13, wraps the body of the winch 13 several times, ascends through the guide ring 24, descends through the two sheaves 14, and ascends through the sheave 17a having the hook 17. The end portion is fixed to the fixed ring 25.

When using the present invention with the above-mentioned configuration, the pin 15 is removed and the slide boom 9 is pushed, and when the desired hole 6a of the fixed boom 6 and the hole of the slide boom 9 match, the pin 1 is inserted into the hole.
5 is inserted and fixed, and when the fixed boom 6 is lifted upward and the desired angle is reached, the hand is released, the figure 7 notch 12 and the engaging pawl 11 are engaged, and the boom 6.9 is stopped. do.

Then, if the poom 6.9 is pushed in a desired direction, it can be easily rotated, and the winch 13 is driven to stack and unload cargo.

When storing, push the handle 11a against the spring 21 to disengage the engagement pawl and the 7-shaped notch 12, lower the pool 6.9, remove the pin 15, and move the slide boom 9 into the fixed pool 6. Align the bottom hole 6b of the fixed boom 6 with the hole of the slide boom 9, and then tighten the pin 15.
After that, the fixing poom 6 is pushed to a position where it does not get in the way, and the hook 17 is fixed to the loading platform.

As described above, a rotating shaft piece 8a having an upside-down convex cross section is fixed to the lower end of a cylindrical turning pole 8, and the rotating shaft piece 8a is flush with the fixed upper end surface. Drill a water drain hole 8b in the swing pole 8, insert the swing shaft piece 8a into the bearing 3 and attach it, weld two hook-shaped plates 7a to the upper end of the swing pole 8, and connect them to the bottom surface of the plate 7a and to it. Board 7 on the side
b is fixed to form a support member T, and a pipe 19 having two bearing plates 18 at the upper end of the swing pole 8 within the support member 7
The bearing plate 18 and the plate material 1a of the support member T are fixed with pins 20, and the engaging claw 11 is pivotally attached to the upper part of the pin 20 of the bearing plate 18 with the pin. A hook-shaped handle 11a is provided at the rear, a spring 21 is stretched between a protrusion 11b provided at the front of the handle 11a and a protrusion 8c provided at the rear of the swing pole 8, and an engaging claw is provided at the support arm 10. 11 is formed in several stages, and is inserted into the vibrator 19 and the turning pole 8 so as to be vertically movable.
The upper end is pivotally attached to a bracket 6a attached to the rear surface of the fixed Z-muro using a pin 22, and the winch 13 is fixed to the upper part of the lower end of the fixed boom 6 via a base 13a, and the winch 13 is connected via a battery and a switch. A slide poom 9 is slidably installed inside the fixed boom 6, and two brackets 9a are fixed to the upper end of the slide boom 9, and two sheeps 14 are arranged in parallel between the brackets 9a to support the shaft. At 14a, several pin holes 6b are drilled at regular intervals on the side of the boom 6 for fixing the tag, and the slide 7--m 91)
One pin hole is drilled near the lower end, and when the hole 6b of the fixed boom 6 and the pin hole of the slide boom 9 match, a pin 15 is inserted from the outside to fix both, and the slide boom 9
A wire is fixed to the bracket provided inside the lower end and the pin 23 that pivotally connects the fixed boom 6 and the support member 1, and the base 2 of the crane formed in this way is attached to the support bracket at an appropriate location on the loading platform of the vehicle. 1 and wire 16
After fixing one end to the winch 13 and winding the body of the winch 13 several times, the sheep 17a rises through the interior of the winch 13, descends through the two sheeps 14, and has a hook 1T.
The structure has the following characteristics because it rises by heating and its end is fixed to the fixed ring 25.

a. The extension and shortening of the boom can be freely adjusted manually.

b. The boom angle can be freely manually adjusted.

C. The boom can be rotated manually.

d. The winch used for hoisting and lowering loads is powered by an onboard battery.

e. When the crane is not in use, the boom can be retracted so that there are no markings on the vehicle.

f. The entire device is small and the configuration is simple.

g. It is easy to handle and can be easily done by individuals.

[Brief explanation of the drawing]

FIG. 1 is a side view of the entire device, FIG. 2 is a rear view thereof, FIG. 3 is a perspective view of essential parts, and FIG. 4 is a sectional view of the bearing section. 1... Support bracket, 2... Lower base, 3... Bearing, 4... Support column, 5... Support EJ & 6... ...Fixed boom, I...Support member, 8...Swivel pole, 9...Slide boom, 10...
Support arm, 11... Joining claw, 12...
7-shaped notch, 13...Winch, 14...
...Sheep, 15-...Pin 16...
・Wire, 11...Cook.

Claims (1)

[Scope of utility model registration request] A rotating shaft piece 8a having an upside-down convex cross section is fixed to the lower end of the cylindrical rotating pole 8, and the water drain hole 8b is installed in the rotating pole 8 so that the rotating shaft piece 8a is flush with the fixed upper end surface. The rotary shaft piece 8a is inserted into the bearing 3 and attached, two hook-shaped plates 7a are welded to the upper end of the swing pole 8, and the plate 1b is fixed to the lower surface of the plate 7a and the surface connected thereto. A support member I is formed, a pipe 19 having two bearing plates 18 is placed on the upper end of the swing pole 8 within the support member γ, and the bearing plate 18 is placed on the upper end of the swing pole 8.
and the plate material Ta of the support member T are fixed with pins 20, the engagement claw 11 is pivotally attached to the upper part of the pin 20 of the bearing plate 18 with the pin, and a hook-shaped handle 11a is attached to the rear of the engagement claw 11. established,
A spring 21 is stretched between a protrusion 11b provided at the front of the handle 11a and a protrusion 8c provided at the rear of the swing pole 8, and the support arm 10 has a 7-shaped cutout that engages with the engagement pawl 11. The cutout 12 is shaped in several stages and inserted into the vibrator 19 and the swing pole 8 so as to be vertically movable, and the upper end is inserted into the fixed boom 6.
The winch 13 is pivotally connected to the bracket 6a attached to the rear surface with a pin 22, and the winch 13 is attached to the base 13 at the upper part of the lower end of the fixed boom 6.
a, the winch 13 is connected to the battery via a switch, and the slide boom 9 is inserted into the fixed boom 6.
Two brackets 9a are fixed to the upper end of the slide boom 9, and between the brackets 9a, two sheeps 14 are placed in a row and fixed by a shaft 14a, and the fixed boom Several pin holes 6b are drilled at regular intervals on the side of the boom 6, and one pin hole is drilled near the lower end of the slide boom 9, so that the hole 6b of the fixed boom 6 and the pin hole of the slide boom 9 are connected. A pin 15 is inserted from the outside of the matching tooth to fix both, and a wire is fixed to the bracket provided inside the lower end of the slide boom 9 and the pin 23 that pivotally connects the fixed boom 6 and the support member 1. The base 2 of the crane formed as above is fixed together with the support bracket 1 at an appropriate place on the loading platform of the car, and one end of the wire 16 is fixed to the winch 13 and after wrapping the body of the winch 13 several times, the wire 16 is passed through the guide ring 24. A crane mounted on a car that rises, descends via two sheeps 14, rises via a sheep 17a having a hook 17, and fixes the end to a fixed ring 25.