EP3725953B1 - Schnellkopplerverbindungssystem für baumaschine - Google Patents

Schnellkopplerverbindungssystem für baumaschine Download PDF

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Publication number
EP3725953B1
EP3725953B1 EP18887627.0A EP18887627A EP3725953B1 EP 3725953 B1 EP3725953 B1 EP 3725953B1 EP 18887627 A EP18887627 A EP 18887627A EP 3725953 B1 EP3725953 B1 EP 3725953B1
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EP
European Patent Office
Prior art keywords
pin
connection
quick coupler
coupled
coupling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18887627.0A
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English (en)
French (fr)
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EP3725953A1 (de
EP3725953A4 (de
Inventor
Ho Chul Kim
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Daemo Engineering Co Ltd
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Daemo Engineering Co Ltd
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Publication of EP3725953A1 publication Critical patent/EP3725953A1/de
Publication of EP3725953A4 publication Critical patent/EP3725953A4/de
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Publication of EP3725953B1 publication Critical patent/EP3725953B1/de
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3618—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with two separating hooks
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E02F3/3663—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat hydraulically-operated
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements

Definitions

  • the present invention relates to a quick coupler connection system for a construction machine and, more particularly, to a quick coupler connection system for a construction machine in which the coupling position of an actuating rod and a connecting block is automatically adjusted so that a quick coupler main body and a heavy equipment attachment device are quickly and safely combined, in which the quick coupler main body and the attachment device can be more easily combined, a stronger connection force can be achieved, and operation noise can be reduced by combining the quick coupler main body and the attachment device in a 3-point supporting type and a pin-hook coupling type.
  • an excavator is construction equipment that is widely used for a road construction, waterworks and sewer construction, basic building construction, land development construction, construction for picking earth and sand, etc.
  • Such equipment is selectively equipped with various attachments for different purposes, depending on the purpose of the work.
  • An attachment is usually detachably coupled to the arm of an excavator to be replaced, depending on purposes, and recently, a quick coupler that is coupled to the arm of an excavator and enables an attachment to be easily connected has been developed and widely used.
  • the quick coupler is firmly coupled to the arm and the cylinder-side push link of an excavator by two pin coupling structures on a quick change body and can fasten an attachment using a fixed hook and a moving hook.
  • a driver of an excavator couples or separates the quick coupler to or from a bucket or a breaker mounted at the end of an arm by operating a lever, so it is possible to easily handle and use attachments.
  • the quick coupler has a safety device, for example, a safety pin to prepare for a safety accident as a measure for preventing the danger of separation of an attachment due to breakdown of a hydraulic cylinder of the quick coupler or damage to a hydraulic hose during work.
  • a safety device for example, a safety pin to prepare for a safety accident as a measure for preventing the danger of separation of an attachment due to breakdown of a hydraulic cylinder of the quick coupler or damage to a hydraulic hose during work.
  • the attachment coupler includes: a coupler body coupled to an end of an arm of a heavy construction vehicle; a fixed hook fixed to the coupler body to be fastened to one of coupling pins facing an attachment; a moving hook rotatably coupled to the coupler body by a hinge shaft formed on the coupler body to be fastened to the others of the pin fastened to the fixed hook of the coupling pins of the attachment; a hydraulic cylinder rotating the moving hook by stretching/contracting with an end coupled to the moving hook by a first fixing pin and the other end coupled to the coupler body by a second fixing pin; a locking hook rotatably coupled to the coupler body by the second fixing pin and having an end curved in a hook shape; and a power transmission member having an end supported such that the position is changed by rotation of the moving hook and the other end coupled
  • Korean Patent No. 10-1425075 titled "Attachment quick change construction for heavy equipment" (registered on July 24, 2014 ) by the same applicant(s), which includes: a quick change body firmly mounted at an end of the arm of the heavy equipment; a jaw body having a fixed jaw detachably coupled to a side of the quick change body by a coupler and a moving jaw pivot-coupled to the fixed jaw and being rotatable by the operation of a cylinder, in which the coupler has an opening being laterally open at a side of the fixed jaw and having an assembly hook and a fixed hook facing each other up and down, an assembly pin member pin-fixed to a side of the quick change body and pivot-coupled to the assembly hook, and a fixed fin member being elevated by an elevator disposed at a side of the quick change body, and being fitted to the fixed hook when moving down.
  • a first connection pin of the quick coupler body is hooked to the assembly hook formed at the upper portion of the fixed jaw and the cylinder connection pin at the lower portion of the quick coupler body is hooked to the fixing hook to couple the fixed jaw to the upper connection portion of the quick coupler body, but the lower portion of the fixed jaw and the lower portion of the quick coupler body are coupled in a surface contact type. Therefore, the quick coupler body and the attachment body may not be firmly connected and shock noise may be generated by contact of the lower connection portion in the process of assembly.
  • connection block of the moving jaw and the actuating rod of the quick coupler body at the pin-coupling position and then pin-couple them using a coupling pin, but there is a possibility of a safety accident of the worker in the process of connecting a heavy attachment to the quick coupler body by manually lifting the moving jaw of the attachment to the actuating rod at the upper portion of the quick coupler body and then pin-coupling the connection block to the actuating rod. Further, it is difficult to align the coupling positions of the connection block and the moving road, so the work takes long time.
  • the present invention has been made in an effort to solve the problems and an objective of the present invention is to provide a quick coupler connection system for a construction machine in which the coupling position of an actuating rod and a connecting block is automatically adjusted so that a quick coupler body and a heavy equipment attachment device are quickly and safely combined, in which the quick coupler body and the attachment device can be more easily combined, a stronger connection force can be achieved, and operation noise can be reduced by combining the quick coupler body and the attachment device in a 3-point supporting type and a pin-hook coupling type.
  • Another objective of the present invention is to provide a coupler connection system for a construction machine that enables an actuating cylinder to be easily fixed to a quick coupler body by a fixing pin before a quick coupler main body and an attachment are coupled, and enables a fixing pin to be easily kept after the quick coupler main body and the attachment are coupled.
  • a quick coupler connection system for a construction machine includes: a quick coupler main body that includes left and right quick coupler bodies facing each other at left and right sides and connected to each other by a connection plate on rears thereof, an actuating cylinder rotatably disposed inside the left and right quick coupler bodies and having an actuating rod disposed on a top thereof and coupled to a connection block of a moving jaw of an attachment by a coupling pin, and a first connection pin and a second connection pin connecting the left and right quick coupler bodies and a cylinder connection pin rotatably supporting the actuating cylinder; the attachment detachably coupled to the quick coupler main body and having the moving jaw being rotatable with respect to a fixed jaw; and guides disposed on inner surfaces of the connection block and guiding pin assembly positions of the connection block and the actuating rod when the moving jaw is rotated, and a lower portion of the actuating cylinder operating the moving jaw is shaft-coupled to the quick coupler main body
  • the quick coupler connection system may further include: a first assembly hook formed such that the first connection pin of the quick coupler main body is coupled to an upper portion of the fixed jaw; a fixing hook formed such that the cylinder connection pin is coupled inside a lower portion of the fixed jaw; and a second assembly hook formed such that the second connection pin of the quick coupler main body is coupled to the lower portion of the fixed jaw.
  • the guides may protrude from inner sides of the connection block facing each other, may be rounded to have a radius of curvature corresponding to a curvature of the rounded upper portion of the actuating rod, and may have an angular range of 90 ⁇ 180°.
  • the quick coupler connection system may further include keeping holes formed through the left and right quick coupler bodies to keep the supporting pin when the actuating rod and the moving jaw are combined.
  • the coupling pin may have a flat chamfered portion on a side of an outer surface and a stopping step continuing from an end of the chamfered portion on another side of the outer surface of the coupling pin to prevent separation out of the connection holes of the connection block, and a chamfered surface corresponding to the chamfered portion and locked to the stopping step is formed on an inner surface of the connection hole formed at a side of the connection block.
  • the quick coupler connection system may further include: fitting holes formed at a first end portion and a second end portion of the coupling pin; a fastening block integrally coupled to another side of the connection block, having a through-hole formed through a center for inserting and pulling out the coupling pin, and having a fastening hole in which a fastening bolt that is fitted in the fitting hole is inserted ; and a driven block coupled to the first end of the coupling pin to move with insertion and pulling-out of the coupling pin and having a fastening hole in which a fastening bolt that is fitted in the fitting hole is inserted.
  • the guides on the connection block of the moving jaw come in contact with the top of the moving jaw and the assembly position of the coupling pin is naturally determined. Accordingly, the assembly position of the coupling pin is determined not manually, but naturally, so it is possible to prevent a safety accident of a worker and easily pin-couple the coupling pin.
  • first and second connection pins and the cylinder pin are disposed at a side of the quick coupler main body and the first and second assembly hooks and the fixing hook are disposed at the other portion of the fixed jaw facing the side of the quick coupler main body to correspond to the pins, the fixed jaw and the quick coupler main body are coupled in a 3-point supporting type, so they an be simply and firmly assembled.
  • the actuating cylinder is supported by the supporting pin to be able to be fixed to the left and right coupler bodies before pin-coupling of the coupling pin, but the supporting pin can be kept in the keeping hole after pin-coupling of the coupling pin, so it is possible to easily manage and keep the supporting pin.
  • the coupling pin Since the chamfered portion and the stopping step are formed on the outer surface of the coupling pin, it is possible to prevent separation of the coupling pin before coupling the actuating rod and the connection block. Further, since the fastening bolts are inserted in the fitting hole of the coupling pin through the fastening holes of the fastening block and the driven block, the coupling pin can be easily fixed.
  • a quick coupler connection system for a construction machine includes: a quick coupler main body 100 that includes left and right quick coupler bodies 110 and 120 facing each other at the left and right sides and connected to each other by a connection plate 130 on the rears thereof, an actuating cylinder 150 rotatably disposed inside the left and right quick coupler bodies 110 and 120 and having an actuating rod 154 disposed on the top thereof and coupled to a connection block 225 of a moving jaw 220 of an attachment 200 by a coupling pin 140, and a first connection pin 131 and a second connection pin 132 connecting the left and right quick coupler bodies 110 and 120 and a cylinder connection pin 133 rotatably supporting the actuating cylinder 150; the attachment 200 capable to be detachable coupled to the quick coupler main body 100 and having the moving jaw 220 being rotatable with respect to a fixed jaw 210; and guides 250 disposed on the inner surfaces of the connection block 225 and guiding pin assembly
  • the quick coupler main body 100 includes the left and right quick coupler bodies 110 and 120 spaced apart left and right from each other and connected to each other by the connection plate 130 on the rears thereof.
  • the first and second connection pins 131 and 132 are pin-coupled to portions of the left and right quick coupler bodies 110 and 120.
  • the attachment 200 includes the fixed jaw 210 having first and second assembly hooks 212 and 214 to fit a second side thereof to the first and second connection pins 131 and 132, and the moving jaw 220 rotatably hinged to the fixed jaw 210 to be rotated by the actuating cylinder 150 supported in the quick couple main body 100.
  • the fixed jaw 210 further has a first assembly hook 212 formed such that the first connection pin 131 of the quick coupler main body 100 is coupled to the upper portion of a first side, a fixing hook 213 formed such that the cylinder connection pin 133 is coupled inside the lower portion of the first side of the fixed jaw 210, and a second assembly hook 214 formed such that the second connection pin 132 of the quick coupler main body 100 is coupled to a lower portion of the first side of the fixed jaw 210.
  • a first assembly hook 212 formed such that the first connection pin 131 of the quick coupler main body 100 is coupled to the upper portion of a first side
  • a fixing hook 213 formed such that the cylinder connection pin 133 is coupled inside the lower portion of the first side of the fixed jaw 210
  • a second assembly hook 214 formed such that the second connection pin 132 of the quick coupler main body 100 is coupled to a lower portion of the first side of the fixed jaw 210.
  • the first assembly hook 212 is formed in a hook shape with the lower portion open downward
  • the fixing hook 213 is formed in a hook shape with the upper portion open upward
  • the second assembly hook 214 has a structure being laterally open.
  • the first connection pin 131 is pin-coupled to the first assembly hook 212 of the fixed jaw 210
  • the second connection pin 132 is hook-coupled to the second assembly hook 214
  • the cylinder connection pin 133 is hook-coupled to the fixing hook 213, so the fixed jaw 210 is firmly coupled to the quick coupler main body 100 while being stably supported at three points at the upper and lower portions of the quick coupler main body 100.
  • the guides 250 protrude from the inner sides of the connection block 225 facing each other and are rounded to have a radius of curvature corresponding to the curvature of the rounded upper portion of the actuating rod 154.
  • the guides 250 may have an angular range ⁇ of 90 ⁇ 180°, when the angular range of the guides 250 may be less than 90°, the contact area with the actuating rod 154 is small, so it may be unstable, and when the angular range of the guides 250 exceeds 180°, rotation of the moving jaw 220 may be interfered with by the actuating rod 154.
  • the actuating rod 154 has a curvature at the rounded upper portion and has a coupling hole through which the coupling pin 140 is disposed.
  • connection block 225 has connection holes 226 through which the coupling pin 140 is disposed.
  • the coupling pin 140 has a flat chamfered portion on a side of the outer surface and a stopping step 143 continuing from an end of the chamfered portion 142 to prevent separation out of the connection holes 226 of the connection block 225, and a chamfered surface 226a corresponding to the chamfered portion 142 and locked to the stopping step 143 is formed on the inner surface of the connection hole 226 formed at a side of the connection block 225.
  • the present invention further includes: fitting holes 144 formed at a first end portion and a second end portion of the coupling pin 140; a fastening block 270 integrally coupled to another side of the connection block 225, having a through-hole formed through the center for inserting and pulling out the coupling pin 140, and having a fastening hole 275 in which a fastening bolt 290 that is fitted in the fitting hole 144 is inserted ; and a driven block 280 coupled to the first end of the coupling fin 140 to move with insertion and pulling-out of the coupling pin 140 and having a fastening hole 275 in which a fastening bolt 290 that is fitted in the fitting hole 144 is inserted.
  • the coupling pin 140 has been pulled out of the connection hole 226 of the other side of the connection block 225 and is positioned at the one side of the connection block 225 with an end fitted in the connection hole 226 of the one side of the connection block 225 and the edge of the chamfered surface 226a locked to the stopping step 143, whereby separation of the coupling pin 140 and the other side of the connection block 225 is prevented.
  • the coupling pin 140 is moved right to assemble the actuating rod 154 and the connection block 225, the end of the coupling fin 140 is inserted and pin-coupled in the through-hole of the fastening block 270 coupled to the other side of the connection block 225 and the driven block 280 coupled to the other end of the coupling pin 140 is moved close to the one side of the connection block 225.
  • the fastening bolts 290 when the fastening bolts 290 is inserted into the fastening holes 275 of the fastening block 270 and the driven block 280, the fastening bolts 290 are fitted in the fitting holes 144 formed at both end portions of the coupling pin, thereby being able to fix the coupling pin 140 such that lateral movement of the coupling pin 140 is prevented.
  • the present invention further includes a supporting assembly 300 that supports the actuating cylinder 150 to prevent rotation of the actuating cylinder 150 before the actuating rod 154 of the actuating cylinder 150 is coupled to the connection block 225 of the moving jaw 220.
  • the supporting assembly 300 has a fixed block 310 fixed on the outer surface of a cylinder tube 152 of the actuating cylinder 150 on a side, a supporting block 320 detachably coupled to the fixed block 310 on a side by a bolt and having a coupling protrusion 325 having a fixing hole 325a, and supporting holes 330 formed through the left and right quick coupler bodies 110 and 120 such that a supporting pin 350 disposed through the fixing hole 325a is pin-coupled therein.
  • the supporting assembly 300 further has keeping holes 340 formed through the left and right quick coupler bodies 110 and 120 to keep the supporting pin 350 when the actuating rod 154 and the moving jaw 220 are combined.
  • the keeping holes 340 are formed above the supporting holes 330 not to be interfered with by the supporting pin 350 when the actuating cylinder 150 is rotated.
  • the quick coupler main body 100 is diagonally positioned such that the first connection pin 131 is hook-coupled to the first assembly hook 212, as shown in FIG. 8a , the first connection pin 131 is moved into the lower open side of the first assembly hook 212 and hang in the first assembly hook 212, as shown in FIG. 8b , and the second connection pin 132 is moved into the open side of the second assembly hook 214 and fitted in the second assembly hook 214, and in this process, the cylinder connection pin 133 is hook-coupled to the fixing hook 213.
  • the fixed jaw 210 and a side of the quick coupler main body 100 are hook-coupled in a 3-ponit supporting type.
  • the moving jaw 220 coupled to the fixed jaw 210 through the hinge shaft 230 rotates and opens clockwise about the hinge shaft 230.
  • the guides 250 on the connection block 225 come in contact with the top of the moving jaw 154, the pin-coupling positions of the connection block 225 and the actuating rod 154 are aligned by the contact between the guides 250 and the top of the actuating rod 154.
  • connection pin 140 moved to the left of the left connection block 250 and separated out of the connection hole 226 of the other side of the connection block 225 is pin-coupled to the connection holes 226 of the connection block 225 and the coupling hole of the actuating rod 154 by being moved to the left, as described above, the coupling pin 140 inserted in the connection hole 226 of the one side of the connection block 225 is laterally moved right and pin-coupled, as shown in FIG. 5a .
  • the coupling pin 140 is fixed by inserting the fastening bolts 290 into the fastening holes 275 of the fastening block 270 and the driven block 280 and the fitting holes 144 of the coupling pin 140, the process of connecting the attachment 200 to the quick coupler main body 100 is finished.
  • the cylinder tube 152 of the actuating cylinder 150 is fixed to the left and right quick coupler bodies 110 and 120 by pin-coupling the supporting pin 350 of the supporting assembly 300 to the fixing hole 325a of the supporting block 320 and the supporting holes 330 formed at the left and right quick coupler bodies 110 and 120, whereby there is the advantage that it is possible to prevent movement and rotation of the actuating cylinder 150 before the actuating cylinder 150 is pin-coupled to the moving jaw 220 by the coupling pin 140.
  • the supporting pin 350 of the supporting assembly 300 can be separated out of the fixing hole 325a and the supporting holes 330 and fitted into the keeping holes 340 to be stowed, so it is possible to prevent loss of the supporting pin 350.
  • the moving jaw 220 is rotated clockwise by excavator equipment in the process of pin-coupling the moving jaw 220 of the attachment 200 and the actuating rod 154 of the actuating cylinder 150 with the coupling pin 140, the guides 250 on the connection block 225 of the moving jaw 220 come in contact with the top of the moving jaw 220 and the assembly position of the coupling pin 140 is naturally determined. Accordingly, the assembly position of the coupling pin 140 is determined not manually, but naturally, so it is possible to prevent a safety accident of a worker and easily pin-couple the coupling pin 140.
  • first and second connection pins 131 and 132 and the cylinder pin 133 are disposed at a side of the quick coupler main body 100 and the first and second assembly hooks 212 and 214 and the fixing hook 213 are disposed at the other portion of the fixed jaw 213 facing the side of the quick coupler main body 100 to correspond to the pins, the fixed jaw 210 and the quick coupler main body 100 are coupled in a 3-point supporting type, so they can be simply and firmly assembled.
  • the actuating cylinder 150 is supported by the supporting pin 350 to be able to be fixed to the left and right coupler bodies 110 and 120 before pin-coupling of the coupling pin 140, but the supporting pin 350 can be kept in the keeping hole 340 after pin-coupling of the coupling pin 140, so it is possible to easily manage and keep the supporting pin 350.
  • the coupling pin 140 since the chamfered portion 142 and the stopping step 143 are formed on the outer surface of the coupling pin 140, it is possible to prevent separation of the coupling pin 140 before coupling the actuating rod 154 and the connection block 225. Further, since the fastening bolts 290 are inserted in the fitting hole 144 of the coupling pin through the fastening holes 275 of the fastening block 270 and the driven block 280, the coupling pin can be easily fixed.

Claims (7)

  1. System, das ein Schnellkopplerverbindungssystem für eine Baumaschine und eine Befestigung (200) aufweist, wobei das Schnellkopplerverbindungssystem aufweist:
    einen Schnellkoppler-Hauptkörper (100), der aufweist: einen linken und einen rechten Schnellkopplerkörper (110, 120), die einander zugewandt sind, auf einer linken und einer rechten Seite, und die mittels einer Verbindungsplatte (130) an deren Rückseiten miteinander verbunden sind; einen Betätigungszylinder (150), der drehbar in dem linken und dem rechten Schnellkopplerkörper (110, 120) angeordnet ist und eine Betätigungsstange (154) aufweist, die auf einer Oberseite davon angeordnet ist und mit einem Verbindungsblock (225) einer beweglichen Backe (220) einer Befestigung (200) mittels eines Kopplungsstifts (140) gekoppelt ist; und einen ersten Verbindungsstift (131) und einen zweiten Verbindungsstift (132), die den linken und den rechten Schnellkopplerkörper (110, 120) verbinden, und einen Zylinderverbindungsstift (133), der den Betätigungszylinder drehbar lagert;
    die Befestigung (200), die mit dem Schnellkoppler-Hauptkörper (100) lösbar gekoppelt werden kann und die bewegliche Backe (220) aufweist, die in Bezug auf eine feste Backe (210) drehbar ist; und
    Führungen (250), die auf Innenflächen des Verbindungsblocks (225) angeordnet sind und Stiftanordnungspositionen des Verbindungsblocks (225) und der Betätigungsstange (154) führen, wenn die bewegliche Backe gedreht wird, wobei ein unterer Abschnitt des Betätigungszylinders (150), der die bewegliche Backe (220) betätigt, mit dem Schnellkoppler-Hauptkörper (100) über eine Welle gekoppelt ist, und wobei das System durch Folgendes gekennzeichnet ist:
    eine Stützanordnung (300), die den Betätigungszylinder (150) stützt, um eine Drehung des Betätigungszylinders (150) zu verhindern, bevor die Betätigungsstange (154) des Betätigungszylinders (150) mit dem Verbindungsblock (225) der beweglichen Backe (220) gekoppelt ist, wobei die Stützanordnung (300) einen festen Block (310), der auf einer Außenfläche eines Zylinderrohrs (152) des Betätigungszylinders (150) auf einer Seite fixiert ist, einen Stützblock (320) der lösbar mit dem festen Block (310) auf einer Seite mittels einer Schraube gekoppelt ist und einen Kopplungsvorsprung (325) mit einem Fixierloch (325a) aufweist, und Stützlöcher (330) aufweist, die durch den linken und den rechten Schnellkopplerkörper (110, 120) ausgebildet sind, so dass ein Stützstift (350), der durch das Fixierloch (325a) angeordnet ist, darin über Stifte gekoppelt ist.
  2. System nach Anspruch 1, wobei die Führungen (250) von einander zugewandten Innenseiten des Verbindungsblocks vorstehen, abgerundet sind, um einen Krümmungsradius zu haben, der einer Krümmung des abgerundeten oberen Abschnitts der Betätigungsstange (154) entspricht, und einen Winkelbereich von 90~180° haben.
  3. System nach Anspruch 1, das ferner aufweist:
    einen ersten Montagehaken (212), der derart ausgebildet ist, dass der erste Verbindungsstift (131) des Schnellkoppler-Hauptkörpers (100) mit einem oberen Abschnitt der festen Backe (210) gekoppelt ist;
    einen Fixierhaken (213), der derart ausgebildet ist, dass der Zylinderverbindungsstift (133) in einem unteren Abschnitt der festen Backe (210) gekoppelt ist; und
    einen zweiten Montagehaken (214), der derart ausgebildet ist, dass der zweite Verbindungsstift (132) des Schnellkoppler-Hauptkörpers (100) mit dem unteren Abschnitt der festen Backe (210) gekoppelt ist.
  4. System nach Anspruch 3, wobei der erste Montagehaken (212) in einer Hakenform mit einem nach unten geöffneten unteren Abschnitt ausgebildet ist, der Fixierhaken (213) in einer Hakenform mit einem nach oben geöffneten oberen Abschnitt ausgebildet ist, und der zweite Montagehaken (214) seitlich geöffnet ausgebildet ist.
  5. System nach Anspruch 1, das ferner Haltelöcher (340) aufweist, die durch den linken und den rechten Schnellkopplerkörper (110, 120) ausgebildet sind, um die Stützstifte (350) zu halten, wenn die Betätigungsstange (154) und die bewegliche Backe (220) kombiniert werden.
  6. System nach Anspruch 1, wobei der Kopplungsstift (140) einen flachen abgeschrägten Abschnitt (142) auf einer Seite einer Außenfläche und eine Anschlagstufe (143) aufweist, die sich von einem Ende des abgeschrägten Abschnitts (142) auf einer anderen Seite der Außenfläche des Kopplungsstifts (140) fortsetzt, um ein Ablösen aus den Verbindungslöchern (226) des Verbindungsblocks (225) zu verhindern, und wobei eine abgeschrägte Fläche (226a), die dem abgeschrägten Abschnitt (142) entspricht und mit der Anschlagstufe (143) arretiert ist, auf einer Innenfläche des Verbindungslochs (226) ausgebildet ist, das auf einer Seite des Verbindungsblocks (225) ausgebildet ist.
  7. System nach Anspruch 1, das ferner aufweist: Passlöcher (140), die an einem ersten Endabschnitt und einem zweiten Endabschnitt des Kopplungsstifts (140) ausgebildet sind; einen Befestigungsblock (270), der mit einer anderen Seite des Verbindungsblocks (225) einstückig gekoppelt ist, ein Durchgangsloch aufweist, das zum Einsetzen und Herausziehen des Kopplungsstifts (140) durch eine Mitte hindurch ausgebildet ist, und ein Befestigungsloch (275) aufweist, in das eine Befestigungsschraube (290) eingesetzt, die in das Passloch (140) eingepasst ist; und einen angetriebenen Block (280), der mit dem ersten Ende des Kopplungsstifts (140) gekoppelt ist, um sich mit dem Einsetzen und Herausziehen des Kopplungsstifts (140) zu bewegen, und der ein Befestigungsloch (275) aufweist, in das eine Befestigungsschraube (290) eingesetzt ist, die in das Passloch eingepasst ist.
EP18887627.0A 2017-12-15 2018-09-12 Schnellkopplerverbindungssystem für baumaschine Active EP3725953B1 (de)

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PCT/KR2018/010662 WO2019117431A1 (ko) 2017-12-15 2018-09-12 건설기계용 퀵 커플러 연결구조체

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JP3256120B2 (ja) * 1996-01-29 2002-02-12 株式会社坂戸工作所 破砕機
JP4247222B2 (ja) * 2005-09-20 2009-04-02 ヤンマー株式会社 トラクターローダーバックホーの掘削装置固定構造
US8662784B2 (en) * 2006-02-01 2014-03-04 Deere & Company Pad-eye pin and retainer
KR20080098836A (ko) * 2007-05-07 2008-11-12 주식회사 에버다임 중장비용 다용도 어태치먼트 결합장치
JP4928348B2 (ja) * 2007-05-14 2012-05-09 日本車輌製造株式会社 連結軸の固定構造
CA2590464A1 (en) * 2007-05-30 2008-11-30 Brandt Industries Ltd. Quick coupling mechanism for tool attachment
KR101043036B1 (ko) 2009-05-19 2011-06-21 주식회사 에버다임 어태치먼트의 완전 장착을 보장하는 중장비용 어태치먼트 커플러
KR101254193B1 (ko) * 2011-05-02 2013-04-18 대모 엔지니어링 주식회사 중장비 작업기의 퀵체인지 구조
KR101378570B1 (ko) * 2012-04-26 2014-03-28 대모 엔지니어링 주식회사 중장비용 작업기 퀵 체인저
KR101425075B1 (ko) 2013-07-10 2014-08-04 대모 엔지니어링 주식회사 퀵 체인지 결합방식을 갖는 중장비 어태치먼트 구조체
KR101806958B1 (ko) * 2017-09-25 2017-12-08 성보공업주식회사 굴삭기의 버킷용 투스

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IL274644B2 (en) 2024-03-01
IL274644B1 (en) 2023-11-01
EP3725953A4 (de) 2021-08-18
IL274644A (en) 2020-06-30
KR101870713B1 (ko) 2018-08-03
WO2019117431A1 (ko) 2019-06-20

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