JP2014091598A - Cargo taking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cargo taking device capable of suspending a suspending cargo such as a roll having no specific structure for installing a metallic material to be suspended.SOLUTION: In a cargo taking device 1, a left arm 20 comprises a left transverse member 21 extending to the left side from the central vicinity of a base 10, journaled to the base 10 and journaled to a connection member 40, a left longitudinal member 22 extending downward from the left end of the left transverse member 21 and a left abutting part 23 installed in the left longitudinal member 22 and abutting on a suspending cargo R. A right arm 30 comprises a right transverse member 31 symmetrically arranged with the left arm 20 to the center of the base 10, extending to the right side from the central vicinity of the base 10, journaled to the base 10 and journaled to the connection member 40, a right longitudinal member 32 extending downward from the right end of the right transverse member 31 and a right abutting part 33 installed in the right longitudinal member 32 and abutting on the suspending cargo R.

Description

  The present invention relates to a load pickup device, and more particularly, to a load pickup device that is mounted on a lifting device of a lifting machine and sandwiches a load.

  Conventionally, a suspended load that cannot be lifted manually is lifted by a lifting machine such as a crane and moved to a desired position. In this case, the suspended load is wound by being wound around a sling wire hung on a lifting device of a lifting machine, and this slinging wire is pulled up by the lifting device of the lifting machine. However, the operation of winding the sling wire around the suspended load is complicated because the sling wire is rotated under the suspended load or the sled wire is rotated around the outer periphery of the suspended load.

Therefore, it has a wire rope and a clamping member attached to both ends thereof, and the clamping member is provided with an engaging element that engages with the winding portion of the drum can at one end, and a pair of clamping links coupled to each other by a pivot shaft, Proposed drum can suspension that consists of an auxiliary link that is pivotally attached to the other end of each clamping link, and the other end of each auxiliary link is pivotally supported by a suspension ring connected to a wire rope via a common pivot. (Patent Document 1).
According to this drum can suspender, paying attention to the shape of the tightening portion which is a specific structure of a drum tube which is an example of a suspended load, and by providing a clamping member for sandwiching the tightening portion, the sling wire is attached to the suspended load. The work of winding can be omitted.

JP 2002-193580 A

However, the drum can suspension of Patent Document 1 can lift only a suspended load having a winding portion having a specific structure.
For example, hay used as livestock feed is packed and transported in a bag called a roll. Although the outer shape of the roll is similar to that of a drum can, the roll does not have a specific structure to which a hardware for lifting can be attached.

  An object of the present invention is to provide a loading device that can lift a suspended load such as a roll that does not have a specific structure for attaching a hardware for lifting.

  (1) A loading device that is mounted on a lifting device of a hoist and sandwiches a suspended load, and a base that extends in a horizontal direction, and a left arm that is pivotally supported by the base so as to be rotatable leftward when viewed from the front. A right arm pivotally supported on the base so as to be pivotable to the right when viewed from the front, and the suspension, and is provided above the left arm and the right arm, the left arm and the right arm A connecting member that pivotally supports the arm, and the left arm includes a left horizontal member that extends to the left from the vicinity of the center of the base, and a left vertical member that extends downward from the left end of the left horizontal member, A left abutting portion attached to the left vertical member and abutting against the suspended load, wherein the right arm is provided symmetrically with the left arm with respect to the center of the base, and from the vicinity of the center of the base A right lateral member extending to the right and a right side of the right lateral member A right vertical member extending downward from the right vertical member and a right abutting portion attached to the right vertical member and abutting against the suspended load, wherein the left lateral member is pivotally supported by the base on the left side of the center. A left base shaft support portion and a left connection member shaft support portion supported by the connection member on the right side of the left base shaft support portion, and the right lateral member is pivoted to the base on the right side of the center. A load pickup device comprising: a right base shaft support portion to be supported; and a right connection member shaft support portion to be supported by the connection member on the left side of the right base shaft support portion.

  According to the invention of (1), the load take-up device is mounted on a lifting device of a lifting machine, sandwiches a suspended load, and includes a base, a left arm, a right arm, and a connecting member. The base extends in the horizontal direction. The left arm is pivotally supported on the base so as to be rotatable to the left as viewed from the front. The right arm is pivotally supported by the base so as to be rotatable to the right as viewed from the front. The connecting member engages with the hanger, is provided above the left arm and the right arm, and pivotally supports the left arm and the right arm. The left arm includes a left horizontal member, a left vertical member, and a left contact portion. The left lateral member extends to the left from the vicinity of the center of the base. The left vertical member extends downward from the left end of the left horizontal member. The left contact portion is attached to the left vertical member and contacts the suspended load. The right arm is provided symmetrically with the left arm with respect to the center of the base, and includes a right lateral member, a right longitudinal member, and a right contact portion. The right lateral member extends to the right side from the vicinity of the center of the base. The right vertical member extends downward from the right end of the right horizontal member. The right contact portion is attached to the right vertical member and contacts the suspended load. The left lateral member includes a left base shaft support portion and a left connecting member shaft support portion. The left base shaft support portion is supported by the base on the left side of the center. The left connecting member shaft support portion is supported by the connecting member on the right side of the left base shaft support portion. The right lateral member includes a right base shaft support portion and a right connecting member shaft support portion. The right base shaft support portion is supported by the base on the right side of the center. The right connecting member shaft support portion is supported by the connecting member on the left side of the right base shaft support portion.

As a result, the cargo handling device operates as follows.
First, the suspended load is disposed between the left contact portion and the right contact portion. And the hoist of a lifting machine is wound up and at least one part of the connection member engaged with this hoist is pulled up. Then, the left connecting member supporting portion of the left side member in the left arm and the right connecting member supporting portion of the right side member in the right arm, which are supported by the connecting member, move upward.
As a result, the left arm rotates counterclockwise around the left base shaft support. The right arm rotates clockwise around the right base shaft support. And the left contact part of a left arm adjoins and contacts the outer periphery left side of a suspended load. Further, the right abutting portion of the right arm comes close to and abuts on the right side of the outer periphery of the suspended load.
When the connecting member is further pulled up, the suspended load is sandwiched from the left and right sides by the left abutting portion of the left arm and the right abutting portion of the right arm, and the load of the suspended load is applied to the loading device. This load is a force that separates the base and the connecting member, and this force is a force that rotates the left arm to the left, and a force that rotates the right arm to the right, that is, a force that sandwiches the suspended load. . Further, the suspended load can be lifted by pulling up the connecting member.

Therefore, the suspended load can be lifted by sandwiching the outer periphery of the suspended load.
Therefore, it is possible to lift a suspended load such as a roll that does not have a specific structure for attaching a hardware for lifting.

  (2) A regulating member that regulates a distance that the base and at least a part of the coupling member are separated from each other is further provided, and the regulating member includes a protruding portion that projects in a horizontal direction from the front side of the coupling member. A hook part that is pivotally supported by the base and extends in the vertical direction below the protrusion, and the hook part is a hook body that is pivotally supported by the base; It is a side edge extending upward from the collar body, and when at least a part of the connecting member comes close to the base, the edge part where the projection part is slidably contacted with the edge part, and the upper edge side of the collar part A shaft member formed and engaged with the protrusion, and a shaft member pivotally supported by the flange main body below the hole, the tip projecting from the edge, A rotating shaft member that closes the fistula when rotated upward (1 Load pickup apparatus according to.

  According to the invention of (2), the regulating member for regulating the distance that the base and at least a part of the connecting member are separated is further provided. The restricting member includes a protrusion and a flange. The protrusion protrudes in the horizontal direction from the front side of the connecting member. The collar portion is below the projection, is pivotally supported by the base, and extends in the vertical direction. Moreover, a collar part is provided with a collar part main body, an edge part, a hole part, and a rotating shaft member. The buttock body is pivotally supported by the base. The edge portion is a side edge extending above the collar body, and the protrusion portion is in sliding contact when at least a part of the connecting member comes close to the base. The stoma hole portion is continuous with the edge portion, is formed on the upper end side of the saddle portion, and engages with the protrusion portion. The pivot shaft member is a shaft member that is pivotally supported by the collar body so as to be pivotable below the hole portion, and the tip projects from the edge portion, and closes the hole portion when rotated upward. .

As a result, the cargo handling device operates as follows.
First, in the regulating member in the initial state, for example, a protruding portion protruding from the connecting member is engaged with a hole portion of the flange portion pivotally supported by the base. Thereby, since the connecting member and the base are connected by the regulating member, even if the connecting member is pulled up, the base follows the connecting member and the connecting member and the base are not separated. That is, since the force for separating the base and the connecting member does not work, the left arm and the right arm do not rotate, and the left contact portion and the right contact portion are in a state of maintaining a predetermined interval.
Then, in this state, for example, the loading device is placed on the suspended load, the connecting member is lowered, and the protruding portion is lowered below the pivot shaft member of the collar portion.
Next, when the connecting member is raised upward, the protrusion moves upward while sliding the edge of the flange, and comes into contact with a portion protruding from the edge of the rotating shaft member. When the connecting member is further raised upward, the protrusion moves upward while rotating the rotation shaft member upward. Then, the rotation shaft member closes the fist hole part, and the projection part passes through the fist hole part. Thereby, when the connection between the connecting member and the base is released and the connecting member is pulled up, the connecting member and the base are separated from each other. That is, the force that separates the base and the connecting member works, the left arm and the right arm rotate, the left contact portion and the right contact portion come close to each other, and sandwich the outer periphery of the suspended load, A suspended load can be lifted.

  Therefore, when lifting a suspended load, an operator goes to the side of the loading device, operates the loading device, and does not perform an operation of switching to a state where the suspended load can be lifted or cannot be lifted, for example, By simply raising and lowering the lifting tool of the lifting machine, the load pickup device can be switched to a state in which the suspended load can be lifted or a state in which it cannot be lifted.

  According to the present invention, it is possible to provide a loading device that can lift a suspended load such as a roll that does not have a specific structure for attaching a hardware for lifting.

It is a perspective view of the cargo collection apparatus which concerns on embodiment of this invention. It is a perspective view of the loading device which concerns on the modification of the said embodiment. It is a figure explaining operation | movement of the cargo collection apparatus which concerns on the said embodiment. It is a figure explaining operation | movement of the cargo collection apparatus which concerns on the said embodiment. It is a figure explaining operation | movement of the cargo collection apparatus which concerns on the said embodiment. It is a figure explaining operation | movement of the cargo collection apparatus which concerns on the said embodiment. It is a figure explaining operation | movement of the cargo collection apparatus which concerns on the said embodiment. It is a figure explaining operation | movement of the cargo collection apparatus to which embodiment of this invention is applied. It is a figure explaining operation | movement of the cargo collection apparatus to which embodiment of this invention is applied.

Hereinafter, although embodiment of this invention is described, this invention is not limited to this. In the following description of the embodiments, the same constituent elements are denoted by the same reference numerals, and the description thereof is omitted or simplified.
First, the configuration of the cargo collection device 1 according to the embodiment will be described with reference to the drawings.
FIG. 1 is a perspective view of a loading device 1 according to an embodiment of the present invention.

  The loading device 1 is mounted on a lifting device T of a lifting machine and sandwiches a suspended load R. The loading device 1 includes a base 10, a left arm 20, a right arm 30, a connecting member 40, and a regulating member 50.

  The base 10 extends in the horizontal direction. For example, the base 10 rotatably supports the left arm 20 and the right arm 30 with bolts or the like.

The left arm 20 includes a left horizontal member 21, a left vertical member 22, and a left contact portion 23.
The left lateral member 21 extends to the left from the vicinity of the center of the base 10. The left lateral member 21 includes a left base shaft support portion 211 and a left connecting member shaft support portion 212.
The left base shaft support portion 211 is supported by the base 10 on the left side of the center of the base 10.
The left connecting member shaft support portion 212 is supported by the connecting member 40 on the right side of the left base shaft support portion 211. Specifically, the left connecting member shaft support portion 212 protrudes upward from the right end of the left lateral member 21 and is supported by the connecting member 40 at the protruding portion.

The left vertical member 22 extends downward from the left end of the left horizontal member 21.
The left contact portion 23 is attached to the left vertical member 22 and contacts the suspended load R. Specifically, the left abutting portion 23 is formed to have a substantially rectangular outer shape when viewed from the side and to the right when viewed from the top.

The right arm 30 is provided symmetrically with the left arm 20 with respect to the center of the base 10, and includes a right lateral member 31, a right longitudinal member 32, and a right contact portion 33.
The right lateral member 31 extends from the vicinity of the center of the base 10 to the right side.
The right lateral member 31 includes a right base shaft support portion 311 and a right connecting member shaft support portion 312.
The right base pivot support 311 is pivotally supported by the base 10 on the right side of the center of the base 10.
The right connecting member shaft support portion 312 is supported by the connecting member 40 on the left side of the right base shaft support portion 311. Specifically, the right connecting member shaft support portion 312 protrudes upward from the left end of the right lateral member 31 and is supported by the connecting member 40 at the protruding portion.

The right vertical member 32 extends downward from the right end of the right horizontal member 31.
The right contact portion 33 is attached to the right vertical member 32 and contacts the suspended load R. In detail, the right contact portion 33 is formed to have a substantially rectangular outer shape when viewed from the side and to the left when viewed from the top.
In this way, by forming the left contact portion 23 and the right contact portion 33, for example, when a cylindrical suspended load R is sandwiched between the left contact portion 23 and the right contact portion 33, the suspended load R is Since it can pinch along an outer periphery, the suspended load R can be lifted reliably.

FIG. 2 is a perspective view of a loading device 1A according to a modification of the embodiment of the present invention.
The shape of the left contact portion and the right contact portion of the load pickup device 1A according to the modification is different from that of the load pickup device 1 according to the embodiment.
The left abutting portion 23A and the right abutting portion 33A of the loading device 1A are formed of a plate-like body extending in the back direction from the front.
Thus, by forming the left abutting portion 23A and the right abutting portion 33A, for example, when a square pole-shaped suspended load is sandwiched between the left abutting portion 23A and the right abutting portion 33A, the suspended load is Therefore, the suspended load can be reliably lifted.

Returning to FIG. 1, the connecting member 40 is disposed on the vertical center axis of the base 10, engages with the suspension tool T, and is provided above the left arm 20 and the right arm 30. 20 and the right arm 30 are pivotally supported.
The connecting member 40 includes a connecting portion 41, a first left arm portion 42, a second left arm portion 43, a first right arm portion 44, and a second right arm portion 45.

  The connecting portion 41 engages with the suspension tool T on the upper end side, and is connected to the first left arm portion 42 and the first right arm portion 44 on the lower end side.

  The first left arm portion 42 has a right end rotatably connected to the connecting portion 41, extends to the left side, and a left end connected to the second left arm portion 43.

  The second left arm portion 43 has a left end rotatably connected to the first left arm portion 42, extends rightward, and a right end is rotatably connected in the vicinity of the center of the base 10 and the base 10. Further, the second left arm portion 43 pivotally supports the left connecting member shaft support portion 212 of the left arm 20 on the left side of the position where it is connected to the base 10.

The first right arm portion 44 has a left end rotatably connected to the connecting portion 41, extends to the right side, and a right end is connected to the second right arm portion 45.
The second right arm portion 45 has a right end rotatably connected to the first right arm portion 44, extends leftward, and a left end rotatably connected to the base 10 and the vicinity of the center of the base 10. Further, the second right arm portion 45 pivotally supports the right connecting member shaft support portion 312 of the right arm 30 on the right side of the position where it is connected to the base 10.

  In addition, the left end of the first left arm portion 42 is connected to the left end of the left lateral member 21 by a biasing member (for example, a spring member) 60. The right end of the first right arm portion 44 is connected to the right end of the right lateral member 31 by a biasing member (for example, a spring member) 60. Here, for example, the left arm 20 and the right arm 30 are connected to the base 10, the second left arm portion 43, or the second right arm portion 45 with a margin so as to rotate smoothly. Even in such a case, by providing the urging member 60, it is possible to prevent the left arm 20 and the right arm 30 from hanging down and making it difficult to hold the suspended load R.

  The connecting member 40 may omit the first left arm part 42, the second left arm part 43, the first right arm part 44, and the second right arm part 45 if the left arm 20 and the right arm 30 can be pivotally supported. You can also. In this case, for example, the connecting portion 41 engages with the suspension tool T on the upper end side, and the left connecting member shaft supporting portion 212 of the left arm 20 and the right connecting member shaft supporting portion 312 of the right arm 30 are rotatable on the lower end side. To support.

The restricting member 50 includes a protrusion 51 and a flange 52.
The protruding portion 51 protrudes in the horizontal direction from the front side of the connecting portion 41 of the connecting member 40.
The lower end side of the flange 52 is pivotally supported by the base 10 below the protrusion 51 and extends in the vertical direction.
The flange part 52 includes a flange body 521, an edge part 522, a hole part 523, and a rotation shaft member 524.

  The collar body 521 is pivotally supported by the base 10. The flange main body 521 can be rotated only from one side (left side in the example shown in FIG. 1) from the vertical to the base 10, and an elastic member (for example, so as to maintain a vertical posture with respect to the base 10). The spring member is biased to the other side (right side in the example shown in FIG. 1).

The edge portion 522 is a side edge on the other side (on the right side in the example shown in FIG. 1) extending above the flange main body 521, and when the connecting portion 41 of the connecting member 40 approaches the base 10, the protruding portion 51 is formed. Make sliding contact.
The hole portion 523 is connected to the edge portion 522, is formed on the upper end side of the flange portion 52, and engages with the protruding portion 51.

  The rotation shaft member 524 is a shaft member that is pivotally supported by the flange main body 521 below the hole portion 523 and has a tip projecting from the edge portion 522 and rotating upward. The hole 523 is closed.

Next, the operation of the cargo collection device 1 according to the embodiment will be described.
3-7 is a figure explaining operation | movement of the cargo handling apparatus 1 which concerns on the said embodiment.
First, as shown in FIG. 3, in the unloading device 1, in the initial state, the protrusion 51 protruding from the connecting portion 41 engages with the hole portion 523 of the flange portion 52 that is pivotally supported by the base 10. ing. Thereby, since the connection part 41 and the base 10 are connected by the control member 50, even if the connection part 41 is pulled up, the base 10 follows this and the connection part 41 and the base 10 do not separate. That is, since the force which separates the base 10 and the connection part 41 does not act, the left arm 20 and the right arm 30 do not rotate, and the left contact part and the right contact part are in a state of maintaining a predetermined interval. In this state, the load pickup device 1 is arranged so that the suspended load R is between the left contact portion 23 and the right contact portion 33.
Then, as shown in FIG. 4, the connecting portion 41 is lowered, and the protruding portion 51 is lowered below the rotating shaft member 524 of the flange portion 52.

Next, as shown in FIG. 5, when the connecting portion 41 is raised upward, the protruding portion 51 moves upward while slidingly contacting the edge portion 522 of the flange portion 52, and the edge portion 522 of the rotating shaft member 524 is moved. It abuts on the more protruding part.
When the connecting portion 41 is further raised, the protrusion 51 moves upward while rotating the rotation shaft member 524 upward. Then, the rotation shaft member 524 closes the fist hole 523, and the protrusion 51 passes through the fist hole 523. Thereby, the connection between the connecting portion 41 and the base 10 is released, and when the connecting portion 41 is pulled up, the connecting portion 41 and the base 10 are separated from each other.

  Further, the hoisting tool T of the lifting machine is wound up, and the connecting portion 41 engaged with the hoisting tool T is pulled up. Then, as shown in FIG. 6, the 1st left arm part 42 and the 1st right arm part 44 which were connected with the connection part 41 move upwards. As a result, the left end of the second left arm portion 43 and the right end of the second right arm portion 45 also move upward. Then, the left connecting member shaft support portion 212 of the left side member 21 in the left arm 20 that is supported by the second left arm portion 43 and the right side of the right side member 31 in the right arm 30 that is supported by the second right arm portion 45. The connecting member shaft support portion 312 also moves upward.

  As a result, the left arm 20 rotates counterclockwise around the left base shaft support portion 211. Further, the right arm 30 rotates clockwise about the right base shaft support portion 311. And the left contact part 23 of the left arm 20 adjoins and contacts the outer peripheral left side of the suspended load R. Further, the right abutting portion 33 of the right arm 30 comes close to and abuts on the right side of the outer periphery of the suspended load R. Further, when the connecting portion 41 of the connecting member 40 is pulled up, the suspended load R is sandwiched between the left and right sides by the left abutting portion 23 of the left arm 20 and the right abutting portion 33 of the right arm 30. A load is applied to the unloading device 1. This load becomes a force that separates the base 10 and the connecting portion 41 of the connecting member 40, and this force is a force that rotates the left arm 20 counterclockwise and a force that rotates the right arm 30 clockwise. That is, it becomes force which pinches the suspended load R. Further, the suspended load R can be lifted by pulling up the connecting portion 41 of the connecting member 40.

Therefore, the suspended load can be lifted by sandwiching the outer periphery of the suspended load.
Therefore, it is possible to lift a suspended load such as a roll that does not have a specific structure for attaching a hardware for lifting.

  In the loading device 1, the connecting member 40 includes a connecting portion 41, a first left arm portion 42, a second left arm portion 43, a first right arm portion 44, and a second right arm portion 45. Accordingly, the left end of the second left arm portion 43 and the right end of the second right arm portion 45 are power points, the right end of the second left arm portion 43 and the left end of the second right arm portion 45 are fulcrums, and the left end of the left arm 20 of the second left arm portion 43. The portion that pivotally supports the coupling member pivot portion 212 and the portion that pivotally supports the right coupling member pivot portion 312 of the right arm 30 of the second right arm portion 45 function as an action point. That is, the load pickup device 1 can rotate the left arm 20 and the right arm 30 with the lever, and can lift a heavier suspended load R.

  Next, as shown in FIG. 7, the connecting portion 41 is lowered, and the protruding portion 51 is below the hole portion 523 and on the portion protruding from the edge portion 522 of the rotating shaft member 524. Deploy. In this state, when the connecting portion 41 is lifted upward, the projection 51 is engaged with the fistula 523, and the state shown in FIG. 3 is obtained.

  Therefore, when lifting a suspended load, an operator goes to the side of the loading device, operates the loading device, and does not perform an operation of switching to a state where the suspended load can be lifted or cannot be lifted, for example, By simply raising and lowering the lifting tool of the lifting machine, the load pickup device can be switched to a state in which the suspended load can be lifted or a state in which it cannot be lifted.

FIGS. 8 and 9 are diagrams for explaining a cargo unloading apparatus 1B according to an application example of the embodiment of the present invention.
The left unloading device 1B according to the modification differs from the unloading device 1 according to the embodiment in the left arm 20B and the right arm 30B.

The left arm 20B includes a left horizontal member 21B, a left vertical member 22B, and a left contact portion 23.
The left lateral member 21B extends from the vicinity of the center of the base 10 to the left side. A left base shaft support portion 211, a left connecting member shaft support portion 212, and a plurality of connection holes 213 are provided.
The plurality of connecting holes 213 are arranged in the left-right direction at predetermined intervals.

The left vertical member 22B includes a left vertical axis portion 221 and a left bearing portion 222.
The left vertical axis portion 221 extends in the vertical direction, and the left contact portion 23 is attached thereto.

The left bearing portion 222 is provided at the upper end of the left longitudinal axis portion 221 and is formed in a cylindrical shape. The left lateral member 21B is inserted into the left bearing portion 222 and is slidably engaged with the left lateral member 21B in the left-right direction.
The left bearing portion 222 includes a fixing member 222A that is inserted and fixed in the connection hole 213 of the left lateral member 21B, and a reinforcing member 222B that is fixed to the lower surface of the left bearing portion 222 and the side surface of the left vertical axis portion 221. .

The right arm 30B includes a right lateral member 31B, a right longitudinal member 32B, and a right contact portion 33.
The right lateral member 31B extends from the vicinity of the center of the base 10 to the right side. A right base shaft support portion 311, a right connection member shaft support portion 312, and a plurality of connection holes 313 are provided.
The plurality of connecting holes 313 are formed to be arranged at predetermined intervals in the left-right direction.

The right vertical member 32B includes a right vertical axis portion 321 and a right bearing portion 322.
The right vertical axis portion 321 extends in the vertical direction, and the right contact portion 33 is attached thereto.

The right bearing portion 322 is provided at the upper end of the right longitudinal axis portion 321 and is formed in a cylindrical shape. The right lateral member 31B is inserted into the right bearing portion 322 and slidably engages with the right lateral member 31B in the left-right direction.
The right bearing portion 322 includes a fixing member 322A that is inserted and fixed in the connection hole 313 of the right lateral member 31B, and a reinforcing member 222B that is fixed to the lower surface of the right bearing portion 322 and the side surface of the right vertical axis portion 321. .

According to the load pickup device 1B, the left bearing portion 222 and the right bearing portion 322 are slid in the left-right direction, and the left bearing portion 222 and the right bearing portion 322 are respectively moved to the left lateral member 21B and the right lateral member at arbitrary positions. It can be fixed to 31B.
Thereby, the left bearing part 222 and the right bearing part 322 are respectively moved to the left lateral member at a position where the distance between the left abutting part 23 and the right abutting part 33 becomes a width corresponding to the size and shape of the suspended load R. Since it can be fixed to 21B and the right lateral member 31B, it is possible to lift suspended loads of various shapes and sizes.

  It should be noted that the present invention is not limited to the above-described embodiment, and modifications, improvements, etc. within a scope that can achieve the object of the present invention are included in the present invention.

DESCRIPTION OF SYMBOLS 1 Loading device 10 Base 20 Left arm 21 Left horizontal member 211 Left base shaft support part 212 Left connection member shaft support part 22 Left vertical member 23 Left contact part 30 Right arm 31 Right side member 311 Right base shaft support part 312 Right connection member axis Support section 32 Right vertical member 33 Right contact section 40 Connecting member R Suspended load T Suspension tool

Claims (2)

A load-removing device that is attached to a lifting device of a lifting machine and sandwiches a suspended load,
A base extending horizontally;
A left arm pivotally supported on the left side as viewed from the front of the base;
A right arm pivotally supported on the base so as to be rotatable on the right side when viewed from the front;
A coupling member that engages with the suspension and is provided above the left arm and the right arm, and pivotally supports the left arm and the right arm;
The left arm is
A left lateral member extending to the left from near the center of the base;
A left longitudinal member extending downward from the left end of the left lateral member;
A left abutting portion attached to the left longitudinal member and abutting against the suspended load,
The right arm is provided symmetrically with the left arm with respect to the center of the base,
A right lateral member extending rightward from near the center of the base;
A right vertical member extending downward from the right end of the right lateral member;
A right abutting portion attached to the right vertical member and abutting against the suspended load,
The left lateral member is
On the left side of the center, a left base shaft support portion that is supported by the base;
On the right side of the left base shaft support portion, a left connection member shaft support portion that is supported by the connection member, and
The right lateral member is
On the right side of the center, a right base shaft support portion supported on the base,
A right unloading device comprising: a right connection member shaft support portion supported by the connection member on the left side of the right base shaft support portion. A regulating member for regulating a distance at which the base and at least a part of the connecting member are separated from each other;
The regulating member is
From the front side of the connecting member, a protrusion protruding in the horizontal direction,
A hook part that is pivotally supported by the base and extends in the vertical direction below the protrusion,
The buttocks
A collar body pivotally supported on the base;
A side edge extending above the flange main body, and at least a part of the connecting member is close to the base, and an edge portion with which the protrusion portion is in sliding contact;
A fistula portion that is continuous with the edge portion, is formed on the upper end side of the flange portion, and engages with the protrusion portion;
A shaft member pivotally supported by the collar body so as to be pivotable below the hole portion, the tip projecting from the edge and turning to close the hole portion when rotated upward The load pickup device according to claim 1, further comprising a shaft member.

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