JP3123984U - Heavy equipment pulling device - Google Patents

Abstract

Provided is an apparatus for raising a heavy article that can cause a heavy article if there is a gap as small as the thickness of a limb and is inexpensive.
A rescue apparatus that raises a heavy object A by inserting the front side of a member 11 into one side of the heavy object A and causes a heavy object A to be mounted, and a jack 14 having a lower mounting surface 12 placed horizontally. The base member 15 placed, the lifting member 16 supported by the jack 14 and moving up and down while maintaining a horizontal state, and the ribs 17 and 18 disposed on both sides of the lifting member 16 are connected rotatably. In use, the leading member 11 is inserted into the lower gap B of the heavy object A, and one end of the leading member 11 is pivotally connected to the intermediate portion of the triggering member 11, and the other end is pivotable to both sides of the base member 15 Link members 19 and 20 respectively connected to each other.
[Selection] Figure 7

Description

The present invention relates to a heavy object pulling device for removing a limb sandwiched between heavy objects.

Conventionally, a pantograph type or multistage jack (see, for example, Patent Documents 1 and 2) is arranged in the lower gap of a heavy object (heavy object), and the jack is operated to push up the heavy object arranged at the upper part. ing. Moreover, an air mat can be arrange | positioned under a heavy article and it can also be inflated with a high-pressure compressor, and can lift a heavy article.

JP 2006-69736 A JP 2002-87767 A

When using a jack, a gap (for example, 10 cm or more) for inserting the jack at the lower part of the heavy object is required. For example, a heavy object such as a fallen stone or a fallen object due to a collapse of a construction or a road (for example, When pulling out limbs sandwiched between 500 kg or more), sufficient gaps are not formed under heavy objects. Therefore, it is not possible to use a jack for a heavy object that has a space smaller than the jack below.For example, a space in which the jack can be placed is formed by digging a hole in the lower part of the heavy object. There was a problem that quick rescue was not possible. Further, when a heavy object is lifted by a jack, the limbs can be pulled out. However, since one jack supports one point, there is a problem that stability is poor and danger is involved. Further, in the case of an air mat, since the load is pressure × area, it is necessary to form a hole having a large area, and there is a problem that its use is practically impossible.

The present invention has been made in view of such circumstances, and it is an object of the present invention to provide an apparatus for raising a heavy article that can cause a heavy article if there is a gap as small as the thickness of a limb, and that is inexpensive. .

The heavy load pulling device according to the present invention that meets the above-mentioned object is a rescue device that causes the heavy load by inserting the leading side of the pulling member into one side of the heavy load,
A base member on which a jack having a horizontal lower surface is placed;
An elevating member supported by the jack and elevating while maintaining a horizontal state;
The raising member that is rotatably connected via ribs arranged on both sides of the elevating member, and in use, the leading member is inserted into the lower gap of the heavy object,
One end of the raising member is pivotally connected to the intermediate portion, and the other end has a link member that is pivotally connected to both sides of the base member.

In the heavy-weight elevating device according to the present invention, it is preferable that the base member is made of a plate-like object, and a corner at the front lower portion of the plate-like object is removed so that the base member can be easily moved forward.
In the heavy-weight elevating device according to the present invention, it is preferable that the lifting member is provided with a jack mounting portion that arranges an upper end portion of the jack at a predetermined position.
In the heavy-weight pulling device according to the present invention, the elevating member has a horizontal portion in an upper position and leg portions on both sides thereof, and the horizontal portion has a groove shape with a U-shaped cross section, It is preferable that a reinforcing rib is provided at the center.

In the heavy-weight elevating device according to the present invention, a spacer can be disposed on the raising member.
In the heavy-weight elevating device according to the present invention, it is preferable that an angle formed by the raising member and the bottom surface of the heavy-weight material is 30 degrees at the maximum.

8. The heavy load raising device according to claim 1, wherein the elevating member moves up and down while maintaining a horizontal state and is pivotally connected to the elevating member via a rib, and the elevating member and the base member Are connected via a link member, the elevating member and the base member can be moved in conjunction with expansion and contraction of the jack, and the jack can be expanded and contracted while keeping the expansion and contraction direction vertical.
In particular, in the heavy object pulling device according to claim 2, the base member is made of a plate-like object, and the corners of the lower front portion of the plate-like object are removed so that it can easily move forward. The base member can be moved smoothly even if there is unevenness on the surface on which the heavy object pulling device is placed.
In the heavy object pulling device according to claims 3 and 4, since the jack attaching portion for arranging the upper end portion of the jack at a predetermined position is provided on the elevating member, the jack can always be arranged at the lower portion of the elevating member, Stable operation is possible.

In the heavy object pulling device according to claim 5, since the horizontal portion of the elevating member has a U-shaped cross section and a reinforcing rib is provided at the center thereof, the elevating member is reinforced. It becomes a lightweight structure.
In the heavy object pulling apparatus according to the sixth aspect, since the spacer is arranged on the raising member, the heavy object pulling apparatus can be used even when the lower gap of the heavy object is wide.
In the heavy object pulling device according to the seventh aspect, the angle formed between the raising member and the bottom surface of the heavy object is 30 degrees at the maximum.

Next, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.
Here, FIG. 1 is a front view of a heavy object pulling device according to an embodiment of the present invention, FIG. 2 is a rear view of the heavy load pulling device, and FIG. 3 is a diagram of the heavy load pulling device. FIG. 4 is a side view of the weight lifting device, FIG. 5 is a plan sectional view of the weight lifting device, FIG. 6 is a side sectional view of the weight lifting device, and FIG. It is a side view which shows the use condition of the same weight raising apparatus.

With reference to FIGS. 1-6, the heavy load raising apparatus 10 which concerns on one embodiment of this invention is demonstrated.
As shown in FIGS. 4 and 6, the heavy object pulling device 10 is used, for example, when a limb is sandwiched between heavy objects A such as falling rocks or falling objects due to a collapse of a construction or road, etc. This is a rescue device for causing the heavy object A by inserting the leading side of the pulling member 11 of the heavy object pulling apparatus 10 into the lower gap B (for example, about 2 to 10 cm) on one side of the object A.

As shown in FIGS. 1 to 3, 5, and 6, the heavy object pulling device 10 includes a base member on which a jack 14 with a lower mounting surface 12 and an upper push-up surface 13 placed horizontally is mounted. 15, a lifting member 16 supported by a jack 14 and moving up and down while maintaining a horizontal state, and ribs 17 and 18 disposed on both sides of the lifting member 16 are rotatably connected. A leading member 11 inserted into the lower gap B of A, one end portion is rotatably connected to an intermediate portion of the leading member 11, and the other end portion is rotatably connected to both sides of the base member 15. One or plural, for example, two link members 19 and 20 are provided. This will be described in detail below.

The base member 15 has, for example, a longitudinal length (hereinafter also simply referred to as “length”) of 100 to 200 mm, a lateral width (hereinafter also simply referred to as “width”) of 150 to 250 mm, and a thickness of 5 to 15 mm. It is made of an iron plate having a length (in this embodiment, 160 mm in length, 200 mm in width, and 10 mm in thickness), and the front lower and rear lower corners of the plate are removed. Even if the mounting surface of the pulling device 10 has some unevenness, the base member 15 can be smoothly moved forward and backward.

For example, the jack 14 placed on the base member 15 has a maximum contraction length of 100 to 300 mm, a maximum extension of 250 to 500 mm, and a nominal load of about 2 to 10 tons (in this embodiment, the maximum contraction length is 180 mm). The upper push-up surface 13 is moved up and down by inserting a rotating rod (not shown) into a joint 21 equipped with a bevel gear (not shown) and rotating it. The jack 14 can be expanded and contracted in the vertical direction. In addition, as a jack, a screw jack (screw jack), a rack jack, a hydraulic jack can be used, and a pantograph type jack can also be used.

The elevating member 16 has a horizontal portion 23 in an upper position and leg portions 26 and 27 on both sides thereof. The horizontal portion 23 is, for example, a groove shape having a U-shaped cross section formed of an iron plate material having a thickness of 12.5 mm (in this embodiment, the length is 80 mm, the width is 325 mm, and the height is 45 mm). A reinforcing rib 22 formed of an iron plate material is provided in the center in the left-right direction. Further, the leg portions 26 and 27 are joined to each other by sandwiching the lower portions of the leg body portions 26c and 27c from both sides, the leg body portions 26c and 27c forming the left and right side walls 24 and 25 of the horizontal portion 23 on the upper side. The steel plate members 26a, 26b, 27a, and 27b each have a thickness of 10 mm. The elevating member 16 has a height of 255 mm. Further, the bottom plate 28 of the horizontal portion 23 of the elevating member 16 is provided with a cylindrical jack mounting portion 29 for arranging the circular plate-like upper push-up surface 13 of the jack 14 at a predetermined position below the elevating member 16. Yes.

The ribs 17 and 18 serve as pivot shafts inserted into through holes (not shown) provided in the lower center of the iron plate materials 26a and 26b of the leg portion 26 of the elevating member 16 and the iron plate materials 27a and 27b of the leg portion 27, respectively. The bolts 30 and 31 are connected to the leg portions 26 and 27 through the bolts 30 and 31, respectively, so as to be rotatable. In addition, the leading portions of the ribs 17 and 18 are formed of, for example, an iron plate material having a thickness of 15 to 25 mm (19 mm in the present embodiment), a length of 200 mm, and a pulling member 11 having a width of 325 mm. The pulling member 11 is connected to the elevating member 16 via ribs 17 and 18 so as to be rotatable. Bolts 30 and 31 are each provided with a washer 32 and a nut 33. Further, reinforcing ribs 34 and 35 having a length of 150 mm and a width of 25 mm are integrally provided at the rear of both side portions of the pulling member 11, and the reinforcing ribs 34 and 35 are joined to the ribs 17 and 18, respectively. The ribs 17 and 18 are reinforced.

For example, the link members 19 and 20 are arranged in parallel with an interval of 0.7 to 0.9 times the width of the base member 15 (140 mm in the present embodiment), and one end thereof is raised to It is rotatably connected to bolts 38 and 39 serving as rotating shafts attached to bearings 36 and 37 provided at predetermined intervals in the intermediate portion, and the other end portion is in the longitudinal direction above the base member 15. At the center and on both sides thereof, bolts 42 and 43 serving as pivot shafts attached to bearings 40 and 41 provided in pairs with bearings 36 and 37 are respectively connected to be rotatable. A washer 44 and a nut 45 are attached to the front ends of the bolts 38, 39, 42, and 43, respectively.

Next, with reference to FIG.4 and FIG.7, the usage method of the heavy load pulling apparatus 10 is demonstrated.
As shown in FIG. 4, the leading side of the pulling member 11 of the heavy load pulling device 10 is inserted into the lower gap B of the heavy load A where the limb is sandwiched. Next, a rotating rod is inserted into the joint 21 of the jack 14 placed on the base member 15 and rotated to raise the upper push-up surface 13 to push up the elevating member 16 so that the limb sandwiched between the heavy objects A can be pulled out. Then, the member 11 is pulled up through the ribs 17 and 18 to raise one side of the heavy object A.

At this time, a major load is applied to the leading end of the pulling member 11, and the leading end of the pulling member 11 serves as a fulcrum. Further, the bolts 30 and 31 of the elevating member 16 serve as power points, and the point at which the heavy object A on the pulling member 11 contacts is the operating point. Here, the angle α formed between the pulling member 11 and the bottom surface C of the heavy object A is set to 30 degrees at maximum, thereby preventing an accident that the heavy object A slides from the pulling member 11.

Moreover, in this embodiment, since the front part of the raising member 11 serves as a fulcrum, the jack attaching part 29 of the elevating member 16 moves forward by the raising of the jack 14. Along with this, the jack 14 also moves forward. However, since the base member 15 also moves forward by the link members 19 and 20, the raising member 11 is caused while the expansion and contraction direction of the jack 14 is maintained in the vertical direction. Can do. In the present embodiment, the jack 14 is moved from the initial position on the base member 15 due to the raising of the jack 14, but the jack 14 is simply placed on the base member 15. Will move within a short range and the jack 14 will not fall over. In addition, the length of each member and its mounting position may be optimized so that the position of the jack 14 on the base member 15 does not substantially change as the jack 14 moves up.

Further, after pulling out the limbs, the joint 21 of the jack 14 is rotated in the reverse direction, the pulling member 11 is lowered, and the heavy object A is lowered. At this time, a spacer that is thicker than the thickness of the member 11 is arranged below the heavy object A so that the lower gap of the heavy object A is raised and wider than the thickness of the member 11. The apparatus 10 is removed from the heavy object A. Note that when the jack 14 is lowered, the base member 15 moves backward, but the lower rear corner of the base member 15 is removed, so that the base member 15 can move smoothly.

The present invention is not limited to the above-described embodiment, and can be modified without changing the gist of the present invention. For example, some or all of the above-described embodiments and modifications are possible. The combination of the above and the construction of the heavy object pulling device of the present invention is also included in the scope of the right of the present invention.
For example, in the heavy object pulling device according to the embodiment, when the lower gap of the heavy load is wide, the spacer is placed on the pulling member so as to enter the lower gap and the jack is raised. By causing the pulling member to move, a heavy object may be caused. In addition, when the loading surface of the heavy load pulling device is soft ground such as soil, and the heavy load pulling device sinks into the loading surface when the heavy load is generated, the steel plate material is placed in the lower gap. It is also possible to place a laying plate such as a member and place the raising member on the top.

Moreover, in the said embodiment, although the size of the heavy load raising apparatus was described, it is not limited to this, A magnitude | size can be changed according to a use condition or a use place. Furthermore, although the main member or all of the heavy load raising device is formed of iron, it may be formed of a metal having a low specific gravity (for example, aluminum or an alloy thereof) while maintaining strength during use. This facilitates transportation to the work place. In addition to iron materials (including stainless steel, high-tensile steel, and other special steels), titanium alloys, magnesium alloys, and the like can also be used.

It is a front view of the heavy load raising device concerning one embodiment of the present invention. It is a rear view of the same weight raising apparatus. It is a top view of the same weight raising apparatus. It is a side view of the same weight pulling apparatus. It is a plane sectional view of the same weight pulling device. It is a sectional side view of the same weight raising apparatus. It is a side view which shows the use condition of the same weight raising apparatus.

Explanation of symbols

10: Heavy load raising device, 11: Raising member, 12: Lower placement surface, 13: Upper push-up surface, 14: Jack, 15: Base member, 16: Lifting member, 17, 18: Rib, 19, 20: Link member, 21: Joint, 22: Reinforcing rib, 23: Horizontal part, 24, 25: Side wall, 26: Leg part, 26a, 26b: Iron plate material, 26c: Leg part body, 27: Leg part, 27a, 27b: iron plate material, 27c: leg body, 28: bottom plate, 29: jack mounting portion, 30, 31: bolt, 32: washer, 33: nut, 34, 35: reinforcing rib, 36, 37: bearing, 38, 39: Bolt, 40, 41: Bearing, 42, 43: Bolt, 44: Washer, 45: Nut

Claims (7)

A rescue device that raises one side of a heavy object and inserts the front side of the member to cause the heavy object,
A base member on which a jack having a horizontal lower surface is placed;
An elevating member supported by the jack and elevating while maintaining a horizontal state;
The raising member that is rotatably connected via ribs arranged on both sides of the elevating member, and in use, the leading member is inserted into the lower gap of the heavy object,
One end part is rotatably connected to the intermediate part of the raising member, and the other end part has a link member rotatably connected to both sides of the base member. apparatus. 2. The heavy object pulling device according to claim 1, wherein the base member is made of a plate-like material, and the front lower corner of the plate-like material is removed so that the base member can be easily moved forward. Heavy equipment pulling device. 2. The heavy load raising device according to claim 1, wherein the lifting member is provided with a jack mounting portion for arranging an upper end portion of the jack at a predetermined position. 3. The heavy load pulling apparatus according to claim 2, wherein the lifting member is provided with a jack mounting portion for arranging an upper end portion of the jack at a predetermined position. 5. The heavy load pulling device according to claim 4, wherein the elevating member has a horizontal portion at an upper position and leg portions on both sides thereof, and the horizontal portion has a groove shape having a U-shaped cross section. A heavy object pulling device characterized in that a reinforcing rib is provided at the center thereof. 6. The heavy article raising device according to claim 4, wherein a spacer is disposed on the raising member. The heavy load raising device according to any one of claims 4 to 6, wherein an angle formed between the raising member and a bottom surface of the heavy load is a maximum of 30 degrees. apparatus.

Images