JPH0977479A - Winch unit with carriage - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a winch unit with a carriage, capable of easily lifting and shifting a heavy load placed in a place where a work space is limited, and of reducing any work by man power. SOLUTION: A supporting hand 28 is attached to a carriage 10 installed with casters 22 and, in turn, one end of a main arm 30 is attached to this supporting had 28 free of rotation via a supporting shaft 32. A sub-arm 36 is slidably attached to the other end of a main arm 30, and a drawing quantity out of the main arm 30 is adjustable by an adjusting part 34. In addition, a jack 40 is attached to a receiving hand 26 stretched to a front column 24 erected in the carriage 10, while the jack 40 moves the main arm 30 up and down, rotating it with the supporting shaft 32 as the center. With this constitution above mentioned, and angle of the main arm 30 is adjusted by the drawing quantity of the sub arm 36 and the jack 40, whereby a lifting core position of a wire rope 44 hung down from the tip of the sub arm 36 is freely adjustable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a winch device with a trolley for hoisting and moving a heavy object placed in a place where a working space is limited and a hoisting height cannot be sufficiently secured.

[0002]

2. Description of the Related Art Conventionally, for example, the work of replacing a compressor in an air conditioner has often been entrusted to humans.

FIG. 7 shows how the conventional compressor is replaced. In FIG. 7, a compressor 102 is installed in the air conditioner 100.
2 is normally installed under the drain plate 106 provided under the blower room 104.

Therefore, the worker 108 is
When removing the compressor 102 from the air conditioner 100, the side panel 110 is first removed, various pipes and mounting bolts (not shown) of the compressor 102 are removed, and then the compressor 102 is manually pulled out from the air conditioner 100. It was

[0005]

However, in the above-mentioned conventional work of removing the compressor 102, the compressor 102 is installed in the air conditioner 100, and the drain plate 106 is provided on the upper part thereof. Therefore, there is a problem that the work space for removing the compressor 102 is very narrow and the workability is poor.

Further, the compressor 102 is usually about 60 kg.
Since it is a heavy object having a moderate weight and requires two people to remove it, and the work space is small as described above, the worker 108 is forced to work in the middle waist. Therefore, the workability of removing the compressor 102 is further deteriorated.

Also, the work of mounting the compressor 102 is a work in a narrow place, like the work of removing the compressor.
There was a problem that the workability was poor.

The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to easily lift and move a heavy object placed in a place having a limited work space, so that manual work can be performed. (EN) Provided is a winch device with a dolly that can be reduced.

[0009]

In order to achieve the above object, the invention of claim 1 is a winch device with a trolley for lifting and moving a heavy object placed in a place having a limited working space. A trolley to which a caster for movement is attached, a main arm having one end rotatably attached to a fulcrum shaft provided on the trolley, and the length of the main arm at the other end of the main arm. And a sub-arm that is slidably attached to the main arm, and an adjustment part that is provided in a mounting portion of the sub-arm to the main arm, and that slides and fixes the sub-arm with respect to the main arm to adjust the overall length. A jack fixed to the trolley and rotating the main arm about the fulcrum shaft by raising and lowering a predetermined position of the main arm. Attached to the serial main arm,
A winch around which a wire rope with a hook that is hung from the tip of the sub-arm is wound, and the hanging position of the wire rope can be changed by operating the adjustment unit and the jack. Is characterized by.

According to a second aspect of the present invention, in the winch device with a trolley according to the first aspect, the adjusting portion slides and fixes the sub-arm by inserting / removing a setting rod so that the entire length of the sub-arm is reduced. It is characterized by stretching and adjusting.

According to a third aspect of the present invention, in the winch device with a trolley according to the first or second aspect, the trolley,
The main arm, the sub-arm, the jack, and the winch are separable from each other.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an overall configuration diagram of an embodiment of a winch device with a trolley according to the present invention. 2 is a plan view of FIG. 1, and FIG. 3 is a front view of FIG.

In FIGS. 1, 2 and 3, the carriage 10 is
It is composed of a rear stand 12 and a front stand 14, and the rear stand 1
A rear base 16 is erected on the left and right sides of 2, and a front base 18 is erected on the left and right sides of the front stand 14.

A pusher 20 is provided on the two rear base portions 16, and a caster 22 is provided on the carriage 10. Therefore, the operator can move the carriage 10 by pushing the pusher 20.

Front struts 24 are erected on the two front base portions 18 described above, and receivers 26 are provided on the left and right front struts 24.

A support hand 28 is erected and fixed on the rear stand 12, and a fulcrum shaft 32 is provided at the upper end of the support hand 28. The main arm 30 is pivotally supported at one end thereof on the fulcrum shaft 32. As shown in FIGS. 2 and 3, the main arm 30 is attached so as to be located substantially at the center of the receiver 26.

At the other end of the main arm 30, an adjusting portion 34 is provided.
The sub arm 36 is attached via. The sub-arm 36 is slidably attached to the main arm 30. For example, the main arm 30 and the sub-arm 36 are formed in a tubular shape having different diameters, and the sub-arm 36 having a small diameter is used as the main arm having a large diameter. It can be realized by inserting into 30.

The adjusting portion 34 is provided at the mounting portion of the sub arm 36 to the main arm 30, that is, at the other end portion of the main arm 30, and the sub arm 36 is slid with respect to the main arm 30 to adjust the entire length. After the adjustment, it has a function of fixing the sub arm 36 to the position. To fix the position of the sub arm 36, for example, a hole is made in the main arm 30 and the sub arm 36, and the adjusting portion 3 is inserted in this hole.
This can be done by penetrating the setting rod 38 from the hole provided in the No. 4.

The main arm 30 is supported near the adjusting section 34 by a jack 40 attached to the receiver 26. The main arm 30 is a jack 4
The point supported by 0 is raised and lowered and rotated around the fulcrum shaft 32.

Further, the main arm 30 has a winch 4
2 is attached to the winch 42 and the guide 4
The wire rope 44 guided by 3 is wound. As shown in FIG. 1, the wire rope 44 is guided by the guide tool 43 along the main arm 30 and the sub arm 34, and is suspended from the tip of the sub arm 36. In addition, a hook 46 is attached to the tip of the wire rope 34.
Is attached.

The trolley 10 is also provided with an auxiliary pedestal 48.

FIG. 4 shows the operation of the winch device with a trolley according to the present embodiment. In FIG. 4, when the tip of the wire rope 44, that is, the hanging core position of the load body is at the point A, in order to move this hanging core position to the forward point B, the setting rod 38 of the adjusting unit 34 is withheld. , The sub-arm 36 can be pulled out from the main arm 30. At this time, the height of the hanging core position is
It can be adjusted by rotating the winch 42 and the length by which the wire rope 44 is suspended from the sub arm 36, and the points A and B can be set to the same height.

To move the suspension core position from the point A to the rear point C, the setting rod 38 of the adjusting portion 34 is replaced to shorten the sub arm 36, or the angle of the main arm 30 is adjusted by the jack 40. Can be carried out. Also in this case, if the hanging length of the wire rope 44 is adjusted by the winch 42, the points A and C can be set to the same height.

As described above, in the winch device with a trolley according to the present embodiment, the amount of pulling out the sub arm 36 from the main arm 30 can be adjusted by adjusting the adjusting portion 34, and the angle of the main arm 30 can be adjusted by the jack 40. And winch 42 and wire rope 44
Since the hanging length of the can be adjusted, the hanging core position and its height can be adjusted appropriately.

In the above case, the height of the tip of the sub-arm 36 changes to the X, Y, Z positions shown in FIG. 4, but this height depends on the working space. It is possible to freely select a predetermined suspension core position by combining the withdrawal amount from the main arm 30 and the angle of the main arm 30.

FIG. 5 shows an operation of taking out the compressor 102 from the air conditioner 100 using the winch device with a trolley according to the present embodiment.

The blower chamber 104, the drain plate 106,
The side panel 110 is similar to the conventional example shown in FIG.

In FIG. 5, after removing the side panel 110, the carriage 10 with the casters 22 is moved by the pusher 20, and the tip of the sub-arm 36 is positioned above the moving hook 103 provided on the upper portion of the compressor 102. Align as you would. At this time, the height of the tip portion of the sub arm 36 is appropriately adjusted by adjusting the jack 40 and the adjusting portion 34.

The hook 46 at the end of the wire rope 44 is hooked on the moving hook 103 of the compressor 102, and the winch 4
The wire rope 44 is wound by 2 and the compressor 102 is lifted. At this time, the wire rope 44 suspended from the tip of the sub arm 36 is preferably in the vertical direction, but this fine adjustment can be performed by raising and lowering the jack 40.

Next, the carriage 10 is moved backward (in the direction of arrow M in the figure) by the pusher 20 to pull out the compressor 102 from the inside of the air conditioner 100.

On the other hand, when the compressor 102 is installed in the air conditioner 100, it can be carried out by a procedure opposite to the above procedure. That is, the height of the tip of the sub-arm 36 and the suspending core position of the wire rope 44 are adjusted by the jack 40 and the adjusting unit 34 in accordance with the installation space of the compressor 102, and the compressor 102 is suspended and pushed by the pusher 20. The compressor 102 is transported inside the air conditioner 100. Next, the winch 42 lowers the compressor 102 to a predetermined position. As described above, the compressor 102 can be installed in the air conditioner 100.

FIG. 6 shows an exploded view of the winch device with a trolley according to the present embodiment. In FIG. 6, the trolley 1
0, main arm 30, sub arm 36, jack 4
0 and winch 42 can be separated from each other.

That is, first, the winch 42 is removed from the main arm 30, and then the sub arm 36 is attached to the setting rod 38.
By replacing the main arm 30 with the fulcrum shaft 32, the main arm 30 is removed from the fulcrum shaft 32, and the jack 40 is removed from the receiver 26. At this time, the sub arm 36 can be pulled out from the main arm 30 without being inserted into the main arm 30.

The carriage 10 can be separated into the rear stand 12 and the front stand 14 by removing the auxiliary stand 48.

As described above, since each part is separated and does not become bulky, it can be easily transported.

[0037]

As described above, according to the present invention,
The adjustment part allows the sub arm to be pulled out from the main arm by a predetermined amount and fixed, the entire length can be adjusted, and the angle of the main arm can be easily adjusted by the jack. The height of the wire rope can be freely adjusted, and the hanging core position of the wire rope can be freely adjusted. As a result, a heavy object placed in a limited working space can be easily lifted.

Further, since the dolly has casters, the operator can freely move the position of the dolly by supporting the pusher with his / her hand, so that the lifted heavy object can be easily transported to another position. it can. In addition, lifting of heavy objects can be easily performed by a winch.

Further, in the winch device with a trolley according to the present invention, each part can be disassembled and the transportation can be facilitated.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a winch device with a trolley according to the present invention.

FIG. 2 is a plan view of the winch device with a trolley shown in FIG.

3 is a front view of the winch device with a trolley shown in FIG. 1. FIG.

FIG. 4 is an operation explanatory view of the winch device with a trolley shown in FIG. 1.

5 is an operation explanatory view using the winch device with a trolley shown in FIG. 1. FIG.

6 is an exploded view of main parts of the winch device with a trolley shown in FIG. 1. FIG.

FIG. 7 is an explanatory diagram of a conventional compressor removal operation.

[Explanation of symbols]

10 trucks, 12 rear pedestals, 14 front pedestals, 16 rear pedestals,
18 front base, 20 pusher, 22 caster, 24 front support, 26 receiver, 28 supporter, 30 main arm, 32 fulcrum shaft, 34 adjusting part, 36 sub-arm,
38 setting rod, 40 jack, 42 winch, 43
Guide, 44 wire rope, 46 hook, 48 auxiliary stand, 100 air conditioner, 102 compressor, 103 moving hook, 104 blower room, 106 drain board, 1
08 worker, 110 side panel.

Claims (3)

[Claims] 1. A winch device with a carriage for lifting and moving a heavy object placed in a place with a limited work space, the carriage having a caster for movement attached, and the winch device provided on the carriage. A main arm whose one end is rotatably attached to a fulcrum shaft, a sub arm attached to the other end of the main arm so as to be slidable in the length direction of the main arm, and the main arm of the sub arm. An adjusting part provided on the mounting part for sliding and fixing the sub-arm with respect to the main arm to expand and contract the entire length, and is fixed on the carriage to raise and lower a predetermined position of the main arm. A jack that rotates the main arm about the fulcrum shaft, and is attached to the main arm from the tip of the sub arm. A trolley including a winch around which a wire rope with a suspended hook is wound, and the suspended position of the wire rope can be changed by operating the adjustment unit and the jack. Winch device. 2. The winch device with a trolley according to claim 1, wherein the adjusting unit slides and fixes the sub-arm by inserting and removing a setting rod, and adjusts the entire length by expansion and contraction. Winch device with trolley. 3. The winch device with a trolley according to claim 1 or 2, wherein the trolley, the main arm, the sub arm, the jack, and the winch can be separated from each other. Winch device with trolley.