WO2021054577A1

WO2021054577A1 - Gap adjustment apparatus and tilt type rotary quick coupler having same

Info

Publication number: WO2021054577A1
Application number: PCT/KR2020/007815
Authority: WO
Inventors: 정규영
Original assignee: 주식회사 제이케이
Priority date: 2019-09-20
Filing date: 2020-06-17
Publication date: 2021-03-25
Also published as: KR102184166B1

Abstract

The present invention comprises: a main body installed on an arm of an excavator and provided with a connection rod and a connection plate; a power transmission portion that is rotatably installed on the connection plate and transmits power by converting the traveling direction of the power; a tilt driving portion for providing power to the power transmission portion so that the power transmission portion is rotated in a direction inclined toward one side or the other side from the main body; a rotation block rotatably installed on the power transmission portion and provided with a fixed hook to which an attachment is coupled; a rotation driving portion for providing power to the rotation block through the power transmission portion so that the rotation block is rotated from the power transmission portion; a wear prevention portion for preventing friction between the power transmission portion and the rotation block; and a pressurization member for pressurizing, when the wear prevention portion is worn and a gap between the power transmission portion and the rotation block is widened, the wear prevention portion to come into close contact with the power transmission portion or the rotation block.

Description

Gap adjustment device and tilt-type rotation quick coupler having the same

The present invention relates to a gap adjusting device and a tilt-type rotation quick coupler having the same, and more particularly, to connect a body and a rotating block to be rotatable 360 degrees, and to rotate by connecting the body to a tiltable arm of a heavy equipment The rotational operation of the block and the tilting operation of the main body are linked so that various operations can be performed while placing the attachment in various directions, and the main body and the rotating block can be prevented from being separated or damaged by the load generated during operation, and the rotating block It is possible to prevent abrasion of the contact part between the main body and the rotating block by the rotational motion of the main body, and to extend the replacement cycle of the bearing by adjusting the distance between the main body and the rotating block, and a tilt type rotation having the same. It is about a quick coupler.

In general, in heavy equipment for construction and civil works such as excavators, work such as digging the ground, handling soil excavated from the ground, crushing rocks, etc. are performed using work tools such as a breaker, bucket, and crusher. It will be replaced and used according to the content of the work.

Conventionally, a device for coupling a working mechanism is a coupler coupled with a pair of coupling pins at the tip of the arm of an excavator, a fixed hook is provided on one side of the coupler, and a movable hook is rotatably coupled to the other side, and the movable hook is in the coupler. It is configured to be rotated by the operation of the mounted cylinder.

In addition, a fixing pin formed on the upper side of the working mechanism is inserted into the fixing hook and the movable hook to allow the connection to be made.

Therefore, the coupler connected to the end of the arm bar is brought close to the upper side of the work tool, a fixing pin is inserted into the fixing hook, and another fixing pin is connected to the movable hook on the other side.The movable hook is opened and closed by the operation of the cylinder. The fixing pin is combined.

However, such a conventional technique is made by a cylinder operated by the action of hydraulic pressure as a means of operating a movable hook, so it is convenient to couple or separate the working mechanism from the driver's seat, but it is possible to supply hydraulic pressure to the cylinder inside the coupler. Due to the need for a hydraulic line, problems such as a complicated device and an increase in cost were inherent.

In order to solve the above problems, a quick coupler for excavators was developed, and the movable hook of the quick coupler for an excavator according to the prior art includes a hinge portion coupled to a hinge pin coupled to a support plate installed at intervals, and on the rear side of the movable hook A safety pin is inserted and installed, and on the front side, the locking bolt is detachably fastened by penetrating the locking plate to the boss coupled to the front of the movable hook.

The background technology of the present invention is disclosed in Korean Patent Application Publication No. 10-2009-0118331 (published on November 18, 2009, title of invention: quick coupler for excavator).

In the quick coupler according to the prior art, since the body connected to the arm and the block connected to the attachment are integrally formed, the working radius is determined by the angle of the arm that changes according to the operation of the excavator, so it works while moving the attachment in various directions. There is a problem that cannot be performed.

In addition, in the case of rotatably connecting the quick coupler and the block in order to increase the working radius of the attachment, the quick coupler according to the prior art, the distance between the main body and the rotating block due to the weight of the attachment and the load generated during the operation of the excavator. This may occur, and there is a problem in that the contact portion between the main body and the rotating block may be worn due to the rotational motion of the rotating block.

Therefore, there is a need to improve this.

The present invention connects the main body and the rotating block so that it can rotate 360 degrees, and by connecting the main body in a tiltable manner from the arm of the heavy equipment, the rotating operation of the rotating block and the tilt operation of the main body are linked, and various operations while positioning the attachment in various directions. It is possible to proceed, and prevent the body and the rotating block from being separated or damaged by the load generated during work, and the contact part of the main body and the rotating block from being worn by the rotational motion of the rotating block, It is an object of the present invention to provide a space adjusting device capable of extending a replacement period of a bearing by adjusting a space between a main body and a rotating block, and a tilt type rotating quick coupler having the same.

The present invention, the body installed on the arm of the excavator and provided with a connecting rod and a connection plate; A power transmission unit that is rotatably installed on the connection plate and converts and transmits a traveling direction of power; A tilt driving unit that provides power to the power transmission unit so that the power transmission unit is rotated in a direction inclined toward one side or the other side from the main body; A rotating block rotatably installed on the power transmission unit and provided with a fixing hook to which an attachment is coupled; A rotation drive unit that provides power to the rotation block through the power transmission unit so that the rotation block is rotated from the power transmission unit; A wear prevention unit for preventing friction between the power transmission unit and the rotation block; And a pressing member that presses the wear-prevention part when the wear-prevention part is worn and the gap between the power transmission part and the rotation block is widened to come into close contact with the power transmission part or the rotation block.

In addition, the wear prevention unit of the present invention is characterized in that it comprises a bearing member interposed between the power transmission unit and the rotation block so as to be able to slip.

In addition, the bearing member of the present invention is characterized in that it comprises a copper material.

In addition, the present invention is characterized in that it further comprises a fixing member for maintaining a state in which the pressing member presses the wear prevention unit toward the power transmission unit or the rotation block.

In addition, the present invention is characterized in that, when the plurality of pressing members pressurize the wear prevention unit, it is characterized in that it further comprises a pressure equalizing member that distributes the pressing force of the plurality of pressing members evenly and transmits the pressing force to the wear prevention unit.

In addition, the present invention, the body installed on the arm of the excavator and provided with a connecting rod and a connection plate; A power transmission unit that is rotatably installed on the connection plate and converts and transmits a traveling direction of power; A tilt driving unit that provides power to the power transmission unit so that the power transmission unit is rotated in a direction inclined toward one side or the other side from the main body; A rotating block rotatably installed on the power transmission unit and provided with a fixing hook to which an attachment is coupled; A rotation drive unit that provides power to the rotation block through the power transmission unit so that the rotation block is rotated from the power transmission unit; A wear prevention unit for preventing friction between the power transmission unit and the rotation block; And a pressurizing member that presses the wear-prevention unit when the wear-prevention unit is worn and the gap between the power transmission unit and the rotation block is widened to be in close contact with the power transmission unit or the rotation block. It is characterized.

In addition, the present invention, the operation block installed on the rotating block; A plurality of clamp members rotatably installed on the operation block; And it characterized in that it further comprises an operation cylinder installed on the operation block so as to mount the work object by rotating the clamp member.

In addition, the clamp member of the present invention is characterized in that it is disposed inclined from the horizontal direction.

The gap adjusting device according to the present invention and a tilt-type rotation quick coupler having the same prevent direct contact between the body and the rotation block at the contact portion between the body and the rotation block, and are provided to be slipped between the body and the rotation block. Since the wear prevention unit is provided, there is an advantage of preventing the gap between the main body and the rotating block from being widened or deformed or damaged as the contact portion between the main body and the rotating block is worn by the rotational motion of the rotating block.

In addition, the gap adjusting device and the tilt-type rotation quick coupler having the same according to the present invention press the wear prevention part when the gap between the body and the rotation block is narrowed due to the wear prevention part that prevents direct contact between the body and the rotation block. Therefore, it is equipped with a space control device that prevents the wear prevention part from being separated from the main body or rotating block while pressing toward the main body or rotating block, so the replacement cycle of the wear prevention part can be extended. There is an advantage that can reduce the cost.

In addition, the distance adjusting device according to the present invention and the tilt-type rotation quick coupler having the same, a main body connected to the arm of an excavator and a power transmission unit connected to the rotating block are rotatably connected to each other, and between the main body and the power transmission unit Since the tilt drive unit is installed, the power transmission unit can be arranged at a certain angle from the main body to one side or the other side, and the rotation block installed on the power transmission unit can be rotated 360 degrees, so the attachments installed on the rotation block can be arranged at various angles. There is an advantage in that it is possible to easily proceed with detailed work while placing the attachment at various angles according to the operator's operation.

In addition, the gap adjusting device and the tilt-type rotation quick coupler having the same according to the present invention are provided with an operation block having a plurality of clamp members in the rotating block, so that the operator tilts the power transmission unit or rotates the rotating block while the clamp member Since it is possible to perform a mounting operation by arranging the excavator at various angles, the work object can be moved in various directions while the excavator is stopped without moving, thereby reducing the working space required for work using the excavator.

In addition, the gap adjusting device and the tilt-type rotary quick coupler having the same according to the present invention are installed so that the clamp member for mounting the work object is inclined downward by a certain angle from the horizontal direction, so that the arm of the excavator is fixed when the work object is mounted. Even if it is not inclined beyond an angle, the clamp member can be easily arranged in a desired direction by the operator, thereby enhancing the convenience of the operator.

1 is a perspective view illustrating a tilt-type rotary quick coupler having an interval adjusting device according to an embodiment of the present invention.

2 is an exploded perspective view illustrating a tilt-type rotary quick coupler having a space adjusting device according to an embodiment of the present invention.

3 is an operational state diagram illustrating a tilt-type rotary quick coupler having an interval adjusting device according to an embodiment of the present invention.

FIG. 4 is an exploded perspective view illustrating a gap adjusting device of a tilt-type rotary qui coupler having a gap adjusting device according to an embodiment of the present invention.

5 is an exploded perspective view illustrating a main body and a power transmission unit of a tilt-type rotary quick coupler having an interval adjusting device according to an embodiment of the present invention.

6 is a side view illustrating a tilt-type rotary quick coupler having a space adjusting device according to an embodiment of the present invention.

7 is a bottom perspective view showing a rotating block and an operation block of a tilt-type rotating quick coupler having a space adjusting device according to an embodiment of the present invention.

8 is a cross-sectional view illustrating a tilt-type rotary quick coupler having a space adjusting device according to an embodiment of the present invention.

9 is a cross-sectional view illustrating a gap adjusting device of a tilt-type rotary quick coupler having a gap adjusting device according to an embodiment of the present invention.

*Explanation of sign

10: main body 10a: hinge hole

12: connecting rod 14: connecting plate

16: tilt drive unit 16a: first cylinder

16b: second cylinder 30: rotating block

32: fixed hook 34: rotating shaft

36: rotating plate 38: through hole

52: movable hook 54: drive cylinder

56: rotation drive unit 70: power transmission unit

70a: hinge shaft 72: case

72a: cover member 74: gear member

76: gear shaft 80: operation block

82: clamp member 84: operating cylinder

86: connection hole 90: abrasion prevention part

92: bearing member 94: concave groove

96: slip member 100: gap control device

102: pressing member 104: fixing member

106: equalizing member

Hereinafter, an embodiment of a tilt-type rotation quick coupler including the distance adjusting device and the same according to the present invention will be described with reference to the accompanying drawings.

In this process, the thickness of the lines or the size of components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of users or operators.

Therefore, definitions of these terms should be made based on the contents throughout the present specification.

1 is a perspective view showing a tilt-type rotation quick coupler having a gap adjusting device according to an embodiment of the present invention, and FIG. 2 is a tilt-type rotation quick coupler having a gap adjusting device according to an embodiment of the present invention. Is an exploded perspective view, and FIG. 3 is an operational state diagram illustrating a tilt-type rotary quick coupler having a gap adjusting device according to an embodiment of the present invention.

In addition, FIG. 4 is an exploded perspective view showing a gap adjusting device of a tilt-type rotary qui coupler having a gap adjusting device according to an embodiment of the present invention, and FIG. 5 is an exploded perspective view showing a gap adjusting device according to an embodiment of the present invention. It is an exploded perspective view showing a main body and a power transmission unit of a tilt-type rotation quick coupler, and FIG. 6 is a side view showing a tilt-type rotation quick coupler having a space adjustment device according to an embodiment of the present invention.

In addition, FIG. 7 is a bottom perspective view showing a rotating block and an operation block of a tilt-type rotating quick coupler having a gap adjusting device according to an embodiment of the present invention, and FIG. 8 is a bottom perspective view showing a gap adjustment according to an embodiment of the present invention. A cross-sectional view showing a tilt-type rotation quick coupler having a device, and FIG. 9 is a cross-sectional view illustrating a gap adjustment device of a tilt-type rotation quick coupler having a gap adjustment device according to an embodiment of the present invention.

1 to 9, the tilt-type rotary quick coupler according to an embodiment of the present invention is installed on the arm of an excavator and is connected to the main body 10 provided with the connecting rod 12 and the connecting plate 14, Power transmission unit 70 that is rotatably installed on the plate 14 and converts the direction of power to transmit, and the power transmission unit 70 rotates in a direction inclined to one side or the other side from the main body 10 A rotation block 30 provided with a tilt drive unit 16 providing power to the transmission unit 70, a fixed hook 32 rotatably installed on the power transmission unit 70 and to which the attachment is coupled, and a rotation block A rotation drive unit 56 that provides power to the rotation block 30 through the power transmission unit 70 so that 30 is rotated from the power transmission unit 70, the power transmission unit 70 and the rotation block 30 When the wear prevention unit 90 and the wear prevention unit 90 are worn to prevent this friction, and the gap between the power transmission unit 70 and the rotation block 30 is widened, the wear prevention unit 90 is pressed. It includes a pressing member 102 that is in close contact with the power transmission unit 70 or the rotation block (30).

Therefore, when the excavator starts to operate, the arm is driven to bring the attachment closer to the work object, and the attachment is driven by the driving force transmitted from the arm to perform processes such as digging and drilling. At the required moment, the power generated from the rotation drive unit 56 is transmitted to the rotation block 30 through the power transmission unit 70, and the rotation block 30 rotates in the forward or reverse direction, and the excavator works while changing the direction of the attachment. This will come true.

In addition, when the tilt operation in which the power transmission unit 70 and the rotation block 30 are arranged to be inclined to one side or the other side from the main body 10 is in progress, the power transmission unit ( 70) is inclined obliquely to one side or the other side from the main body 10, and at this time, it is interlocked with the rotation block 30 rotated 360 degrees from the power transmission unit 70 to place the attachment at various angles from the excavator arm. You will be able to.

As described above, when the rotational motion of the rotation block 30 is repeated for a long period of time, the wear prevention unit 90 interposed between the power transmission unit 70 and the rotation block 30 is worn by friction, so the power transmission unit 70 ) And the rotation block 30 becomes narrower.At this time, when the operator moves the pressing member 102 toward the wear prevention unit 90, the pressing member 102 moves the wear prevention unit 90 to the power transmission unit. While pressing toward the (70) or rotation block (30), the gap between the wear prevention unit (90) and the power transmission unit (70) or the rotation block (30) is narrowed.

As described above, if the gap between the wear prevention unit 90 and the power transmission unit 70 or the rotation block 30 is narrowed, the wear prevention unit 90 interposed between the power transmission unit 70 and the rotation block 30 ), so the effect of increasing the volume of the power transmission unit 70 and the rotation block 30 is consequently filled, preventing the deformation or damage of the wear prevention unit 90, and the power transmission unit 70 It is possible to prevent deformation or damage while the rotation block 30 is directly rubbed.

The power transmission unit 70 of this embodiment is connected to the gear member 74 to transmit the power of the gear member 74 installed on the rotation plate 36 and the rotation drive unit 56 to the gear member 74 And a gear shaft 76 installed on the connection plate 14, and the gear member 74 and the gear shaft 76 are gear-connected in a worm gear manner, so the power of the rotation drive unit 56 installed in the main body 10 As it is transmitted to the gear shaft 76 and the gear member 74, the transmission direction of the power is changed and transmitted to the gear member 74 and the rotation block 30.

The gear member 74 is coupled to the rotation plate 36 corresponding to the upper surface of the rotation block 30 by a plurality of fastening members, and a hole part is formed in the center of the gear member 74 to be installed on the connection plate 14 The fixed block is inserted into the center of the gear member 74, the driving block surrounding the outer wall of the fixed block and installed on the rotating plate 36 is connected to the gear member 74.

The fixed block, the driving block, the gear member 74 and the gear shaft 76 are installed inside the case 72, and the outer wall of the case 70 has a cover member 72b that supports and surrounds the rotation drive unit 56. Is installed.

In addition, since the present invention further includes a hydraulic connection that provides hydraulic pressure to the drive cylinder 54 through the power transmission unit 70 and prevents the hydraulic lines from interfering with each other when the rotation block 30 is rotated. It is possible to supply the working fluid through the hydraulic connection to the drive cylinder 54 installed in the rotation block 30.

The hydraulic connection unit prevents a plurality of hydraulic lines from interfering with each other even when the rotation block 30 is rotated 360 degrees, so that the hydraulic pressure supplied to the drive cylinder 54 is lost or the hydraulic line is not twisted, and the rotation block 30 and the attachment You can perform work while rotating 360 degrees.

In addition, when an attachment operated by hydraulic pressure is installed, it is possible to perform an operation of rotating the attachment while supplying hydraulic pressure to the attachment through a separate flow path provided in the hydraulic connection unit.

The gear member 74 is coupled to the rotation plate 36 corresponding to the upper surface of the rotation block 30 by a plurality of fastening members, and a hole part is formed in the center of the gear member 74 to be installed on the connection plate 14 The fixed block is inserted into the center of the gear member 74, a driving block surrounding the outer wall of the fixed block is installed and connected to the rotating plate 36, and the gear member 74 is connected to the driving block.

In addition, in the present embodiment, a wear prevention unit 90 that prevents the gear member 74 and the rotating plate 36 from being worn by friction generated between the power transmission unit 70 and the rotating plate 36 is provided. Since it further includes, it is possible to suppress the rotation plate 36 and the gear member 74 from being deformed or damaged by abrasion.

The abrasion prevention unit 90 includes a bearing member 92 interposed between the power transmission unit 70 and the rotation block 30 so as to be slippery, and the bearing member 92 is made of a copper material. When the rotating block 30 rotates around the fixed block 82, the case 72 and the rotating plate 36 may be rubbed. The protrusion 98 and the rotating plate 36 protruding from the case 72 The bearing member 92 is interposed between the concave groove 94 provided in the case 72 to prevent direct friction between the case 72 and the rotating plate 36.

Since the bearing member 92 includes copper of a soft material, the protrusion 98 or the concave groove 94 slides along the bearing member 92 and the case 72 or the case 72 by the rotational motion of the rotation block 30 It is possible to prevent the rotation plate 36 from being worn.

If the rotational motion of the rotating block 30 as described above is repeated for a long period of time, the bearing member 92 is worn and the thickness becomes thin. At this time, the operator manipulates the fixing member 102 to make the bearing member 92 a protrusion ( When pressing toward 98), the bearing member 92 is pressed against the protruding part 98 and maintains the gap between the protruding part 98 and the concave groove 94, so that the case 72 and the rotating plate 36 are directly rubbed against each other. Can be prevented.

The pressing member 102 of this embodiment includes a tanning bolt that is installed so as to appear and protrude in a hole that penetrates from the bottom surface of the rotation plate 36 to the top surface, so when the operator rotates the pressing member 102 using a tool, the pressing member 102 ) Is protruding to the upper surface of the rotating plate 36 to press the bearing member 92 toward the case 72.

In addition, the present embodiment, since the pressing member 102 further includes a fixing member 104 for maintaining a state in which the abrasion prevention unit 90 is pressed toward the main body 10 or the rotation block 30, so that the pressing member 102 ) Is able to maintain the state protruding to the upper surface of the rotating plate 36, and the fixing member 104 includes a nut member that is fastened to the tanning bolt.

The nut member has an upper surface fixed to the bottom surface of the rotating plate 36, and the tanned bolt inserted into the hole of the rotating plate 36 through the nut member is bolted to the nut member. As the tanning bolt bolted to the nut member is rotated, it rises or descends along the nut member and the hole to protrude upward from the rotation plate 36 or insert into the rotation plate 36.

In addition, in this embodiment, when the plurality of pressing members 102 pressurize the wear prevention unit 90, a pressure equalization member that distributes the pressing force of the plurality of pressing members 102 evenly and transmits it to the wear prevention unit 90 Since (106) is further included, a plurality of pressing members 102 are installed in the protrusion 98 and the concave groove 94 formed in a circular strip shape, and the pressing force of the plurality of pressing members 102 is distributed to the circular strip. It is transmitted to the shaped bearing member 92 at an equal pressure.

The equalizing member 104 includes a circular strip plate made of a wear-resistant steel material that has the same or similar circular strip shape as the bearing member 92.

Therefore, the bearing member 92 is prevented from being in direct contact with the pressing member 102, and after the pressing force by the plurality of pressing members 102 is transmitted to the equalizing member 106, it is distributed in a circular strip shape to have the same shape. The bearing member 92 is pressed toward the protrusion 98 while being transmitted at an equal pressure throughout the bearing member 92.

As described above, since the plurality of pressing members 102 pressurize the wear-resistant ring member so that the wear-resistant ring member presses the bearing member 92, the bearing member 92 is deformed by the pressing force of the pressing member 102 It can be prevented from being damaged.

In addition, the tilt drive unit 16 of the present embodiment is installed on one side of the main body 10, a first cylinder 16a rotatably installed on one side of the case 72, and the other side of the main body 10, , The case 72 includes a second cylinder 16b that is rotatably installed on the other side, and hinge holes 10a are formed at the front and rear ends of the main body 10, so that the front and rear ends of the case 72 It is rotatably connected to the hinge shaft 70a formed at the end.

Therefore, when the rod protrudes from the first cylinder 16a and the rod is inserted into the second cylinder 16b, a tilt operation in which one end of the power transmission unit 70 is inclined downward is performed, and the first cylinder 16a When the rod is inserted into the interior and the rod protrudes from the second cylinder 16b, the other end of the power transmission unit 70 is tilted downward.

When the operation of the tilt drive unit 16 and the operation of the rotation drive unit 56 as described above are simultaneously performed, the rotation block 30 and the operation block 80 are simultaneously rotated and tilted, and the attachments are at various angles. Can be placed.

In addition, in this embodiment, by rotating the operation block 80 installed on the rotation block 30, a plurality of clamp members 82 and the clamp member 82 rotatably installed on the operation block 80 It further includes an operation cylinder 84 installed on the operation block 80 so as to mount the work object.

Therefore, when the operation block 80 is placed in the desired direction by the operator due to the tilt motion of the power transmission unit 70 and the rotational motion of the rotary block 30, the rod appears from the operation cylinder 80 by the operator's operation. While rotating the pair of clamp members 82, the operation of moving the object to be moved can be performed.

Since the clamp member 82 of this embodiment is arranged to be inclined in a downward direction of 10 to 15 degrees from the horizontal direction, the movement of the arm arm and the degree of inclination of the arm arm when mounting a work object seated on the lower ground compared to the arm arm of an excavator Even if it is driven relatively small, the work object can be easily mounted by the clamp member 82 disposed inclined in the downward direction.

The operation of the rotary quick coupler according to an embodiment of the present invention configured as described above is as follows.

First, after connecting the body 10 to the excavator arm, open and close the movable hook 52, and connect the attachment to the rotary block 30, and the attachment and the rotary block ( While rotating 30), the excavator will be used.

When the rotational motion of the rotation block 30 is repeated for a long period of time, the bearing member 92 interposed between the case 72 and the rotation plate 36 is worn and the thickness decreases, and the case 72 and the rotation plate 82 are directly At this time, when the operator rotates the pressing member 102 with a tool and protrudes upward of the rotating plate 36, a plurality of pressing members 102 presses the equalizing member 106, and the equalizing member 106 The bearing member 106 is pressed to maintain a state in which the bearing member 92 is in close contact with the protrusion 98 of the case 72.

As described above, since the bearing member 92 is in close contact with the protrusion 98 to maintain the gap between the case 72 and the rotating plate 36, the power transmission unit 70 and the rotating block 30 are worn while rubbing. This can be prevented, and the operation of replacing the bearing member 92 by separating the power transmission unit 70 and the rotation block 30 can be omitted.

As described above, it is possible to extend the replacement cycle of the bearing member 92 by a simple operation of rotating the pressure member 102 without separating the power transmission unit 70 and the rotation block 30, so that the rotational quick coupler is maintained. It is possible to significantly reduce the time and cost required for maintenance.

Thereby, the main body and the rotating block can be rotated 360 degrees, and the main body is connected in a tiltable manner from the arm of the heavy equipment, so that the rotating operation of the rotating block and the tilting operation of the main body are linked. It can proceed, and prevents the body and the rotating block from being separated or damaged by the load generated during the work, and can prevent the contact part between the main body and the rotating block from being worn by the rotational motion of the rotating block, and the main body It is possible to provide a tilt-type rotation quick coupler having the same and a gap adjusting device capable of extending the replacement cycle of the bearing by adjusting the gap between the and the rotating block.

The present invention has been described with reference to an embodiment shown in the drawings, but this is only exemplary, and various modifications and other equivalent embodiments are possible from those of ordinary skill in the field to which the technology belongs. Will understand.

In addition, although the description has been made by taking the interval adjusting device and the tilt-type rotation quick coupler having the same as an example, this is only an example, and the adjusting device of the present invention and the other products other than the gap adjusting device and the tilt-type rotating quick coupler having the same have A quick coupler having this can be used.

Therefore, the true technical protection scope of the present invention should be determined by the following claims.

Claims

A main body installed on the arm of the excavator and provided with a connecting rod and a connecting plate;

A power transmission unit that is rotatably installed on the connection plate and converts and transmits a traveling direction of power;

A tilt driving unit for providing power to the power transmission unit so that the power transmission unit is rotated in a direction inclined toward one side or the other side from the main body;

A rotating block rotatably installed on the power transmission unit and provided with a fixing hook to which an attachment is coupled;

A rotation drive unit that provides power to the rotation block through the power transmission unit so that the rotation block is rotated from the power transmission unit;

A wear prevention unit for preventing friction between the power transmission unit and the rotation block; And

And a pressing member that presses the wear-prevention unit when the wear-prevention unit is worn and the gap between the power transmission unit and the rotation block is widened to be in close contact with the power transmission unit or the rotation block.
The method of claim 1,

The wear preventing unit, characterized in that it comprises a bearing member interposed between the power transmission unit and the rotation block to be slipped.
The method of claim 2,

The bearing member is a space control device, characterized in that made of a copper material.
The method according to any one of claims 1 to 3,

And a fixing member for maintaining a state in which the pressing member presses the wear-preventing unit toward the power transmission unit or the rotation block.
The method according to any one of claims 1 to 3,

When the plurality of pressing members pressurize the wear-preventing unit, the apparatus further comprises a pressure equalizing member that distributes the pressing force of the plurality of pressurizing members evenly and transmits the pressing force to the wear-preventing unit.
A main body installed on the arm of the excavator and provided with a connecting rod and a connecting plate;

A power transmission unit that is rotatably installed on the connection plate and converts and transmits a traveling direction of power;

A tilt driving unit for providing power to the power transmission unit so that the power transmission unit is rotated in a direction inclined toward one side or the other side from the main body;

A rotating block rotatably installed on the power transmission unit and provided with a fixing hook to which an attachment is coupled;

A rotation drive unit that provides power to the rotation block through the power transmission unit so that the rotation block is rotated from the power transmission unit;

A wear prevention unit for preventing friction between the power transmission unit and the rotation block; And

When the wear prevention part is worn and the gap between the power transmission part and the rotation block is widened, it is characterized in that it comprises a gap adjusting device including a pressing member that presses the wear prevention part and in close contact with the power transmission part or the rotation block. Tilt-type rotation quick coupler.
The method of claim 6,

An operation block installed on the rotating block;

A plurality of clamp members rotatably installed on the operation block; And

A tilt-type rotation quick coupler, further comprising an operation cylinder installed on the operation block so as to mount the work object by rotating the clamp member.
The method of claim 7,

The clamp member is a tilt-type rotation quick coupler, characterized in that disposed inclined from the horizontal direction.