JP3360726B2 - Gutter cover moving machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gutter cover moving device for attaching / detaching or moving a gutter cover on a road.

[0002]

2. Description of the Related Art In order to facilitate the work of removing and returning a gutter cover when cleaning a gutter on a road, Japanese Unexamined Patent Application Publication No. Hei 9 (1997) -19764 discloses a method for cleaning a gutter on a road.
Japanese Patent Application Laid-Open Nos. 30771, 8-53875 and 11-11887 have proposed such apparatuses.

[0003] However, these devices are difficult to hold and remove the heavy gutters.
Poor workability. As a result, two or more workers are required.

Further, the structure of the entire apparatus is complicated, and the cost is high.

The technical problem of the present invention is to pay attention to such a problem, and to realize an inexpensive gutter cover moving machine which is easy to hold and remove a heavy gutter cover, has a simple structure and is inexpensive. It is in.

[0006]

The technical problem of the present invention is solved by the following means. Claim 1 is a support which is driven up by a hydraulic jack, a horizontal shaft provided on both sides of a center of the support, and an upper portion is supported by the horizontal shaft and a lower end has an inward claw. a pair of swing arms with, and have a, said pair of swing arms
Has a slightly inward bent shape in the middle
The distance between the horizontal axes on both sides should be raised
Wherein the width of the gutter cover is set smaller than the width of the gutter cover.

[0007] Thus, the left and right sides of the support to be driven upward by the hydraulic jacks, tare supporting the upper end of the pair of swing arms with horizontal axis is, the pair of swing arms, Medium
In the middle part, make the shape slightly bent inward.
The distance between the horizontal axes on both sides is to be lifted
Since the width of the gutter lid is set to be narrower, it is possible to place the gutter lid on the claw at the lower end of the swing arm simply by opening the lower ends of both swing arms and then releasing it. The operation of holding and removing can be easily performed. Sand
In the normal state, the center of gravity of both swing arms is
It will be located directly below, and in this state,
Swing arm is slightly bent inward.
The distance between the supporting claws at the lower ends of both swing arms is determined by the width of the gutter cover.
It is getting narrower. Therefore, open both swing arms by hand
After lowering the support claw below the gutter lid,
When you release your hand, the supporting claw will move
Naturally, it is closed, and the gutter is held from both sides.

According to a second aspect of the present invention, the cylinder portion of the hydraulic jack according to the first aspect is mounted on a frame which can be driven by wheels in a substantially horizontal state on a horizontal axis, and a tip of a piston rod which advances and retreats from the cylinder portion. And a center portion of the support is a gutter cover moving device connected via a link member.

As described above, since the hydraulic jack is mounted in a horizontal state, the height of the device can be reduced and the size can be reduced.

According to a third aspect of the present invention, the central portion of the support according to the second aspect is connected to a vertical U-shaped vertical bearing at the tip of the link member via a vertical axis. This is a gutter cover moving device that is rotatable about a vertical axis.

As described above, since the central portion of the support for supporting the pair of swinging arms for holding the side groove lid is structured to be rotatable about a vertical axis, the held side groove is formed. The direction of the lid can be changed freely, making work easier.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of how the gutter cover moving device according to the present invention is actually embodied will be described.
FIG. 1 is a perspective view showing the entire gutter cover moving device according to the present invention,
FIG. 2 is a longitudinal sectional view of a center position of the device.

In FIG. 1, a rear frame 4 for supporting rear legs 2, 3 is integrally welded and fixed to a rear end of a horizontal frame 1 extending in the front-rear direction.
Are integrally fixed by welding.

One wheel (caster) 6 is attached to the center of the front foot 5, and wheels 2w, 3w are attached to the lower ends of the left and right rear feet 2, 3. Vertical cylinders 2p, 3p are fixed to the left and right of the rear frame 4,
The legs 2 and 3 made of a cylinder are inserted into the cylinders 2p and 3p, and are fixed by bolts (2b) and 3b, so that the wheels 2w and 3w are always set to face the front-back direction.

The lower end of an oblique hand push handle 7 is inserted into and attached to another two cylinders 6 fixed between the vertical cylinders 2p and 3p on the rear frame 4. The handle 7 allows the user to freely push or pull in any direction to travel.

As shown in FIG. 2, two side plates 1a, 1b
A cylinder portion 8 of a hydraulic jack is mounted substantially horizontally on a rear portion of the horizontal frame 1 made of, and is mounted so as to be vertically rotatable about a horizontal shaft 9. An oil tank is provided near the cylinder section 8. When the oil pump 10 is operated, oil in the oil tank is sent into the cylinder section 8 through the flow path 11, and the piston rod 12 is pushed out.

When the release valve 13 is released, the piston rod 12 is pulled into the cylinder 8 by the return spring 14, so that the oil in the cylinder 8 is pushed back from the flow path 11 into the oil tank.

Reference numeral 15 denotes a drive lever of the oil pump 10, the tip of which is supported by a horizontal shaft 16. Therefore,
When the drive lever 15 is pressed down against the tension spring 17, the oil pump 10 is driven. When the drive lever 15 is released, the oil pump 10 is pulled up by the tension spring 17.

Therefore, by repeating this operation,
The oil pump 10 operates intermittently, and the cylinder 8
The inside can be pressurized and the piston rod 12 can be pushed out hydraulically. The operation of pressing down the drive lever 15 may be performed by foot or by hand.

Since the distal end of the extension lever 18 connected to the release valve 13 is supported by the distal end of the handle 7, the opening and closing operation of the release valve 13 can be performed by rotating the extension lever 18 at hand.

The lower portion of the link member 20 the left and right side walls 1a of the horizontal frame 1, and the fulcrum horizontal shaft 19 which is supported between 1b rotates is coupled with the tip and the horizontal axis 21 of the piston rod 12 I have. The upper end of the link member 20 is connected to a vertical U-shaped vertical bearing 22 via a horizontal shaft 23.

A horizontal shaft 25 is provided at a distal end of a lever portion 24 protruding downward from the vertical bearing 22. Further, between the horizontal shaft 19 for the fulcrum and the horizontal shaft 21 at the tip of the piston rod, the horizontal frame side plate 1 is provided.
A horizontal shaft 26 is provided on a and 1b. The two horizontal shafts 25 and 26 are connected by a link 27, and the bearing portion 28 is always kept horizontal even if the link member 20 rotates vertically. Note that the above hydraulic jack has a commercially known structure.

A bearing portion 28 is formed at the upper center of the vertical bearing 22, and a vertical shaft is inserted therein. A support 29 having an H-shaped plane is welded and fixed on the axis in the vertical direction. The horizontal arms 30 and 31 provided on both sides of the support 29 allow the swing arm 3
The upper ends of 2, 33 are pivotally supported.

At the lower ends of the swing arms 32, 33, inward supporting claws 34, 35 are formed. Double swing arm 3
Reference numerals 2 and 33 are slightly bent inward at the intermediate portion to form a "H" shape.

The distance between the horizontal shafts 30 and 31 of the support 29 is set smaller than the width of the gutter 39 to be lifted. Therefore, in the normal state, both swing arms 3
The centers of gravity of 2 and 33 are located directly below the horizontal shafts 30 and 31. In this state, the interval between the support claws 34 and 35 at the lower end of the swing arm is smaller than the width of the side groove cover 39.

For this reason, when the swing arms 32 and 33 are expanded by hand, the support claws 34 and 35 are lowered below the side groove cover 39, and then released, the swing arms 32 and 33 are released.
Due to the own weight of 3, the supporting claws 34 and 35 are naturally closed, and the side groove cover 39 is grasped from both sides.

Next, a method of using the gutter cover moving device will be described. First, in order to remove the gutter cover over the gutter, push the hand push handle 7 by hand to rotate the extension lever 18 with the main gutter cover moving device just above the gutter cover. When the valve 13 is released, the piston rod 12 is retracted into the cylinder portion 8 by the return spring 14, and the link member 20 rotates clockwise about the support shaft 19.

As a result, the support 29 and the swing arm 3
2, 33 descends. At this time, both swing arms 32, 3
3 is expanded by hand, and the lower supporting claws 34 and 35 are
Release the hand after lowering it to the lower side. Then, the lower ends of both swing arms 32 and 33 are automatically closed, and the side groove cover 3 is closed.
9 and is in a state of gripping the gutter from both sides.

In this state, the drive lever 1 of the hydraulic jack is
5 is repeatedly depressed, the oil pump 10 is driven to pressurize the inside of the cylinder portion 8 and the piston rod 1
Since 2 is pushed out, the link member 20 rotates counterclockwise about the support shaft 19. As a result, the support 29 and the swing arms 32 and 33 are raised, and the gutters gripped by the support claws 34 and 35 are lifted.

In this way, with the gutter cover lifted, the gutter cover moving device is caused to travel and move to the target position. Then, the extension lever 18 is rotated to release the release valve 1.
When the release 3 is released, the piston rod 12 is retracted into the cylinder portion 8 by the return spring 14, and the link member 20 is rotated clockwise about the support shaft 19 to lower the gutter cover. Next, both swing arms 32 and 33 are spread by hand and removed from the gutter.

With such an operation, the side groove cover is moved to the swing arm 3.
The swing arms 32 and 33 can be held and moved by the guides 2 and 33, and the swing arms 32 and 33 can be removed from the gutters.

Since there are two kinds of thicknesses of the side groove cover, the horizontal shafts 3 on both sides of the support 29 are provided on the upper ends of the swing arms 32 and 33.
Shaft holes 36 and 37 are also formed above 0 and 31. Therefore, the horizontal shafts 30, 31 are pulled out, and the upper shaft holes 36,
If the horizontal shafts 30 and 31 are inserted into the
By shifting 2, 33 downward, a thick gutter can be handled.

Further, depending on the surrounding conditions, there may be a case where the gutter cover moving device must be moved not in the front-back direction but in the left-right direction. On the side wall 1a of the horizontal frame 1,
Since the vertical cylinder 38 is fixed by welding, if another hand push handle is inserted into this, the side groove cover moving device can be moved laterally by pushing or pulling this hand push handle. At this time, bolts (2b) of cylinders 2p and 3p,
3b is loosened, and the wheels 2w and 3w are changed in the horizontal direction.

[0034]

According to claim 1, according to the present invention, the left and right sides of the support to be driven upward by the hydraulic jacks, tare supporting the upper end of the pair of swing arms with horizontal axis is, the pair of swing ah
Is slightly bent inward in the middle
The distance between the horizontal axes on both sides should be raised.
Since the width of the gutter lid is set to be narrower, it is possible to place the gutter lid on the claw at the lower end of the swing arm simply by opening the lower ends of both swing arms and then releasing it. The operation of holding and removing the lid can be easily performed.

According to the second aspect, since the hydraulic jack is mounted in a horizontal state, the height of the device can be reduced and the size can be reduced.

According to the third aspect of the present invention, the center of the support for supporting the pair of swing arms for holding the side groove lid is structured to be rotatable about a vertical axis. The direction of the side gutters can be changed freely, making the work easier.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an entire gutter cover moving device according to the present invention.

FIG. 2 is a longitudinal sectional view of a center position of the gutter cover moving device according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Horizontal frame 2, 3 Rear foot 4 Rear frame 5 Front foot 7 Hand push handle 8 Cylinder part 9 Oil tank 10 Oil pump 12 Piston rod 15 Oil pump drive lever 19 Horizontal shaft 20 Link member 22 Downward U-shaped vertical bearing 28 Bearing part 29 Support 30,30 Horizontal axis 32,33 Swing arm 34,35 Inward support claw 36,37 Shaft hole

Claims (3)

(57) [Claims] 1. A support which is driven upward by a hydraulic jack, a horizontal shaft provided on both sides of a center of the support, an upper portion supported by the horizontal shaft, and an inward claw at a lower end. a pair of oscillating arms, which have a pair of swing arms of said, at the middle portion, inwardly
It has a slightly bent shape, and the distance between the horizontal axes on both sides is the side groove to be lifted.
A gutter cover moving device, characterized in that it is set narrower than the width of the cover. 2. A cylinder portion of the hydraulic jack is mounted on a frame that can travel by wheels in a substantially horizontal state with a horizontal axis, and a tip of a piston rod that advances and retreats from the cylinder portion;
The gutter cover moving device according to claim 1, wherein a center portion of the support is connected to the support via a link member. 3. A central portion of the support is connected to a downward U-shaped vertical bearing at the tip of the link member via a vertical axis, and the support is centered on the vertical axis. The gutter cover moving device according to claim 2 , wherein the gutter cover moving device is rotatable.