JP2587317Y2 - Block lifting equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concrete block lifting device.

[0002]

2. Description of the Related Art Concrete blocks such as inverted U-shaped grooves whose upper part is closed are often used. However, such gutter blocks are often large and are lifted. There were no easy-to-use block lifting tools.

[0003] The applicant has noticed that such a concrete block has a rectangular window on the upper surface, and studied whether there is a method of lifting using this window, and completed the present invention.

[0004]

The gist of the present invention will be described with reference to the accompanying drawings.

Guide rollers provided with flanges inside the left and right sides of the horizontal rectangular cylinder 1
Left and right cylinders 3 and 3 are slidable left and right via 19
The left and right square cylinders 2 and 3 are left and right opposed to each other.
A plurality of pairs of pin holes are formed, and channel-type vertical pieces 4 and 5 are slidably fitted on the left and right sides of the horizontal rectangular tube 1 so as to be slidable.
Channel type vertical pieces 4 and 5 are drilled in left square cylinder 2 and right square cylinder 3 respectively.
A pair of drilled pin holes are selected and connected by through pins 6 through long grooves 1 ', 1' provided on the front and back surfaces of the horizontal rectangular tube 1 ,
Horizontal locking pieces 4 ′ and 5 ′ project outward from the lower ends of the right and left channel type vertical pieces 4 and 5, respectively, and extend through a long window 1 ″ provided on the upper surface of the horizontal square pipe 1. The long holes 7 ', 8' provided at the lower ends of the U-shaped links 7, 8 projecting above the horizontal square tube 1 and the base portions of the right and left square tubes 3, which are opposed to each other, are pivotally mounted to face each other. The upper portions of the suspension projections 16 and 17 erected in a state of being opposed to the upper surface of the horizontal rectangular tube 1 are pivotally connected to the substantially bent portions of the V-shaped links 7.8, and are attached to the upper portions of the V-shaped links 7.8. The lower ends of the upper suspension link pieces 9 and 10 are pivotally connected, and the elevating and lowering angle tube 11 is fitted on a guide square tube 13 erected at the center of the horizontal square tube 1. The block lifting device according to the present invention is characterized in that the upper ends of the upper suspension link pieces 9 and 10 are pivotally connected to the left and right ends of the piece 12 with pins 14 and the left and right pins 14 are provided with hook holders 15. is there

[0006]

[Function] The hook of the wire rope is hung on the hook holders 15 on the left and right sides, and the center of the wire rope is lifted upward by the hook body of the lifting device.
Since it rises , the lower ends of the left and right U-shaped hanging link pieces 7 and 8 rotate outwardly about the pivots of the hanging projections 16 and 17 by the linking action, and the lower ends of the U -shaped links 7 and 8 Slot 7 '
8 'and the flanged guide rollers 19 left square tube 2 and the right corner tube 3 slides smoothly outward, clamping the block a is channel vertical strip 4, 5 of the left and right slide outward s husband simultaneously And the horizontal locking pieces 4 'and 5' are blocks a
The lifting tool body is always
The block a is set in an exposed state on the rack a so that the block a can be lifted and moved reliably.

At this time, the heavier the block a, the stronger the force.
Left and right channel type vertical pieces 4, 5 andHorizontal locking piece 4 '・
5 'to the outside, so you can safely block
Ku can be lifted and moved.

[0008] When changing the holding width,
Lift the tool a little and pull out the penetrating pin 6,
・ Select a pair of pin holes drilled in 3 and
Simply connect the channel type vertical pieces 4 and 5 with the through pins 6
The clamping width can be easily adjusted.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows a preferred embodiment of the present invention.

[0010] A horizontal rectangular cylinder 1 formed of a rectangular cylinder having a short cross section
Inside the left and right, the left and right slide freely and inner exist a left square tube 2 and the right corner tube 3 through the flanged guide roller 19, the right and left of the rectangular tube 2
・ A plurality of pairs of pin holes that are paired on the left and right in the left-right facing state
And channel-type vertical pieces 4 and 5 on the left and right sides of the horizontal rectangular cylinder 1.
Is slidably fitted left and right . Drill into left and right square cylinders 2.3
This channel type vertical piece 4 is selected by selecting a pair of drilled pin holes.
5 is inserted into the left and right rectangular cylinders 2 and 3 through a plurality of pairs of long holes 1 'and 1' provided on the vertical plate surface on the front and back of the horizontal rectangular cylinder 1.
The horizontal locking members 4 ′ and 5 ′ project outward from the lower ends of the left and right channel type vertical pieces 4 and 5 respectively.

Long windows 1 ", 1" are formed on the left and right of the upper surface of the horizontal rectangular tube 1 near the center, and lower ends of the V-shaped links 7, 8 are opposed to the left and right long windows 1 ", 1". The horizontal holes 7 'and 8' provided at the lower ends of the left and right V-shaped links 7 and 8 are inserted through the long holes 1 'and 1' provided on the front surface of the horizontal rectangular tube 1. Rigid links 7.8 pivotally attached to the bases of the left square cylinder 2 and the right square cylinder 3 by the pins 26, and protrude above the horizontal square cylinder 1.
The upper portions of the two-piece suspension projections 16 and 17 erected on the upper surface of the horizontal rectangular tube 1 at substantially the bent portions thereof are pivotally connected by pins 23 and 23.

Reference numeral 24 denotes a washer of a pin 23 , 25 denotes a split pin , 27 denotes a washer of a penetrating link pin 26 , 28 denotes a split pin ,
Reference numerals 20 and 21 denote reinforcing rims of the horizontal rectangular tube 1, and reference numeral 22 denotes a split pin for the insertion pin 6 .

The lower ends of the two left and right upper suspension link pieces 9 and 10 are attached to the upper portions of the left and right V-shaped links 7 and 8 by link pins 29.
・ Pivot at 29.

The vertical cylinder 11 is fitted on a rectangular cylinder 13 erected on the upper surface of the center of the horizontal rectangular cylinder 1 so as to be able to move up and down, and the left and right ends of a horizontal link piece 12 attached to the upper part of the vertical rectangular cylinder 11 are connected to the left and right. And the bases of the hook receivers 15 and 15 are pivotally connected to the left and right link pins 14, respectively.

[0015] lifting the left and right hook receiving 15 upward, Noboru
The descending cylinder 11 rises up using the guide cylinder 13 as a guide, and the lower end of the V-shaped link pieces 7.8 is supported by the pin 23 as a fulcrum by the link action.
At the lower end of the U-shaped link pieces 7 and 8
The elongated holes 7 'and 8' press the insertion pin 26, and
Since the left square tube 2 and the right square tube 3 can be easily slid outward through the roller 1a, the channel-type vertical pieces 4 and 5 connected by the penetrating pins 6 simultaneously move right and left on the horizontal square tube 1. To the outside, channel type vertical piece 4.
5 sandwiches the left and right inner holes of the rectangular window on the upper surface of the side groove block a.
The left and right horizontal locking pieces 4 'and 5' hold the lower surface of the lower edge of the inner hole.
Since the bearing is supported, the block a can be reliably lifted and moved.

Also, when changing the holding width,
Lift the tool a little and pull out the penetrating pin 6,
・ Select a pair of pin holes drilled in 3 and
By connecting the channel type vertical pieces 4 and 5 with the through pins 6,
The clamping width can be easily changed. At this time, penetration
Even if the pin 6 is pulled out, the left and right rectangular cylinders 2.3 in the horizontal rectangular cylinder 1
Since the vertical position of the pin hole does not change,
Insertion is easy.

According to the present invention, the gas is placed on the horizontal rectangular cylinder 1 as described above.
The right and left rectangular cylinders 2.3 are attached to the fixed section where the
`` Sliding '' consisting of the elevation angle cylinder 11 is slidable.
The link consisting of a "sliding" N-shaped link mechanism
To the horizontal square tube 1 of the "Modified double sliding mechanism" with joints
The channel type vertical pieces 4 and 5 are fitted and installed, and this channel
Connect the other ends of the left and right “Slideko” to the mold pieces 4 and 5 and suspend them
Since the lifting tool is configured, the lifting tool body is always
It is set in an exposed state on the top, and when lifting the block a
The lifting tool is visually balanced to the left and right with good stability
In the state, whether the block a is lifted or not,
Make sure it is not distorted or deformed
Work is very safe
It becomes a block lifting tool that improves work efficiency.

The construction of the present application is an elevation angle cylinder 11 (up and down slides).
To the right and left square cylinders 2.3
Ride "Slideriko") link near the base
The part that generates the clamping force by connecting with the mechanism is
This important part when deforming the clamping width.
There is no need to disassemble or reassemble.
Slide the left and right channel-type vertical pieces 4 and 5 to the desired positions.
Ride and fasten to left and right square cylinders 2.3 with penetrating pins 6
Can be changed simply by removing the sliding mechanism.
This type of conventional hanging hangers that cannot change the clamping width otherwise
Severe accident due to incorrect assembly compared to Ip jaws
Easy operation and safe block lifting with no occurrence
Tool.

[0019]

[Effect of the invention The present invention than the structure described above, suspended
When lifting and holding the block with a lifting tool
Is always exposed on the block,
In a state where the lifting tool is visually balanced and stable in the left and right
Whether or not the lifting device is distorted or deformed
Work while checking whether or not
Can be very safe lifting equipment,
A channel type vertical piece is fitted on the left and right of the horizontal rectangular tube.
And therefore, suspended under that it has a small opening than lifting tool body and
A lifting device that can be easily lifted even if it is a lift
Becomes

Also, the block is sandwiched by channel type vertical pieces.
To support the block with horizontal locking pieces and lift
This type of internal suspension type that employs a chuck claw mechanism
The clamps may be the object to be lifted depending on the condition of the inner surface of the object to be lifted.
There is no danger of the inner surface being bitten by nails and falling
It becomes a clamping tool.

Further , the construction of the present invention comprises an elevating and lowering angle cylinder and left and right square cylinders.
Near the base with left and right horizontal link pieces and square links
The part that creates the clamping force
Ideal clamping force can be obtained, and when changing the clamping width
No need to disassemble or reassemble important parts, just
Place the left and right channel-type vertical pieces on the left and right of the horizontal square tube at the desired positions.
To the right and left square cylinders with through pins.
The configuration of the part that creates the clamping force is
Of this type of conventional type that can not change the clamping width if it is broken
More serious than the hanging type clamp due to incorrect assembly
Easy and safe block suspension without accidents
It becomes a lifting tool.

Also, a flanged guide is provided inside the left and right sides of the horizontal rectangular tube.
Left and right rectangular cylinders are slidable left and right via rollers
Therefore, even if you pull out the penetration pin when changing the
The horizontal position of the left and right rectangular cylinders in the rectangular cylinder has changed.
Because there is no penetrating pin, the channel type vertical piece and the left and right
Connection is easy, and the block is lifted by the hook support.
Hold the block via the link that lifts the fixture
When raised, a slotted hole is pivoted at the lower end of the U-shaped link.
The right and left square cylinders are easily pressed through the flanged guide rollers
Slide outward so that the block is secure
Excellent practicality and excellence that can be lifted and moved
It is a block lifting device that exerts an improved effect .

[Brief description of the drawings]

FIG. 1 is a front view of the present embodiment.

FIG. 2 is a sectional view of the present embodiment.

FIG. 3 shows a horizontal rectangular cylinder 1 including a left rectangular cylinder 2 of the present embodiment;
FIG. 2 is a cross-sectional view of a channel type vertical piece 4 fitted to the horizontal rectangular tube 1.

FIG. 4 is a cross-sectional view of a pivotal connection portion between the bent portion of the V-shaped link 7 of this embodiment and the horizontal rectangular tube 1 at the lower end.

FIG. 5 is a perspective view showing a use state of the present embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Horizontal square tube 1 'long window 1 "long window 2 Left square tube 3 Right square tube 4 Channel type hanging piece 4' Horizontal locking piece 5 Channel type hanging piece 5 'Horizontal locking piece 6 Penetrating pin 7 Square link 7 'long hole 8 rectangular link 8' long hole 9 upper hanging link piece 10 upper hanging link piece 11 elevating angle tube 12 horizontal link piece 13 guide square tube 14 pin 15 hook receiver 16 hanging protrusion 17 hanging protrusion 19 flange Guide roller with

Claims (1)

(57) [Scope of request for utility model registration] 1. A guide roller provided with a flange inside left and right sides of a horizontal rectangular tube.
Left and right slide left corner cylinder and right square cylinder through the freely provided, left
Multiple pairs that form a pair on the left and right sides of the square cylinder and the right square cylinder in a left-right facing state
The left and right sides of the horizontal square tube can be freely slid right and left.
The channel-shaped drop is fitted to the
Select a pair of pin holes drilled in the left and right square cylinders, respectively. <br/> Connect with a through pin through a long groove provided on the front back of the horizontal square cylinder, and at the lower ends of the left and right channel type vertical pieces. The horizontal locking pieces protrude toward the outside, respectively, and the left and right square cylinders are located near the opposite bases and above the horizontal rectangular cylinder through the long windows provided on the upper surface of the horizontal rectangular cylinder. At the lower end of the U -shaped link
Pivoted to Kita long hole to the opposite state, the upper part of the Ku pivotally mounted the top of the suspended erected on opposite state to the upper surface of the horizontal rectangular tube projecting pieces substantially bent portion of the shaped links, and Ku-shaped link The lower end of the upper suspension link piece is pivotally attached to the upper and lower elevation link pieces, and the elevating and lowering angle pipes are fitted to the guide square pipes erected at the center of the horizontal square pipes. A block lifting device wherein the upper end of the upper suspension link piece is pivotally connected with a pin, and a hook receiver is attached to the left and right pins.