WO1998024984A1 - Engin de travaux dote d'un broyeur - Google Patents

Engin de travaux dote d'un broyeur Download PDF

Info

Publication number
WO1998024984A1
WO1998024984A1 PCT/JP1996/003596 JP9603596W WO9824984A1 WO 1998024984 A1 WO1998024984 A1 WO 1998024984A1 JP 9603596 W JP9603596 W JP 9603596W WO 9824984 A1 WO9824984 A1 WO 9824984A1
Authority
WO
WIPO (PCT)
Prior art keywords
bucket
breaker
arm
swing
lock
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.)
Ceased
Application number
PCT/JP1996/003596
Other languages
English (en)
Japanese (ja)
Inventor
Mikio Nojiri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Komatsu Zenoah Co
Komatsu Ltd
Original Assignee
Komatsu Zenoah Co
Komatsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Komatsu Zenoah Co, Komatsu Ltd filed Critical Komatsu Zenoah Co
Priority to PCT/JP1996/003596 priority Critical patent/WO1998024984A1/fr
Publication of WO1998024984A1 publication Critical patent/WO1998024984A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • E02F3/369—Devices to connect parts of a boom or an arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/28—Supports; Devices for holding power-driven percussive tools in working position
    • 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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • E02F3/325—Backhoes of the miniature type
    • 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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools

Definitions

  • the present invention relates to a working machine with a swinging force, in which a boom is attached to a vehicle body so as to swing up and down, an arm is attached to the boom so as to swing up and down, and a swinging force is attached to the arm.
  • a hydraulic shovel that has a bucket and a breaker attached to the tip of an arm of the hydraulic shovel to perform digging work with the bucket and crushing work with the breaker.
  • a hydraulic shovel with a breaker disclosed in Japanese Utility Model Laid-Open No. 411,847 is known.
  • the hydraulic shovel with a breaker described above is configured as shown in Fig. 1. That is, a boom b is attached to the hydraulic excavator body a so that it can swing up and down, and an arm c is attached to the boom b so that it can swing forward and away from the body a and back and approach the body a, that is, swing back and forth.
  • the breaker body d is mounted on the arm c, and the bucket e is mounted on the tip of the breaker body d so as to be able to swing back and forth.
  • boom b and arm c are swung to set chizenore f at right angles to crushing surface g, as shown in Fig. 1.
  • the crushing work is performed by pressing the chisel f against the crushing surface g, reciprocating the piston provided in the braking force body d to collide with the chisel f, and hitting the crushing surface g with the chisel f. are doing.
  • the chisel f is made perpendicular to the crushing surface g in order to transmit the impact force of the chisel f to the crushing surface efficiently and to crush it efficiently.
  • the chisel f can be hit at a right angle to the crushing surface g with the vehicle body a stopped, so that the chisel f can be hit against the crushing surface g.
  • the present invention provides an excavator with a breaker capable of continuously crushing with a chisel at right angles to a crushing surface while the vehicle body is stopped. aimed to.
  • the first invention is a first invention.
  • a vehicle body having a traveling body, a boom mounted on the vehicle body so as to be able to swing up and down, an arm mounted on the boom so as to be able to swing back and forth, and a chisel attached to and detachable from the arm.
  • the push link connected to the trunk and the bucket, the bucket cylinder attached between the arm and the bucket link, and the breaker body are connected to the arm.
  • Locking means to prevent rocking or unlocking the lock.
  • Brake force rocking locking means and to prevent the bucket from rocking with respect to the brake main body.
  • Lock or the lock Bucket Tsu door swing to release This is a work machine with a breaker composed of a mouthpiece.
  • the breaker main body is locked by the breaker rocking locking means so as not to rock, and the bucket rocking rocking means is rotated by the bucket rocking lock means.
  • the lock is released, the arm and the breaker body swing together with respect to the boom, and the bucket with the knocking cylinder moves the bucket against the You will be able to rock.
  • the bucket is locked so that the bucket does not swing by the swing lock means, and the swing lock of the breaker body by the breaker swing lock means is released.
  • the breaker body can be swung with respect to the arm by expanding and contracting the bucket cylinder.
  • the chisel can be moved toward and away from the vehicle body while the chisel remains at right angles to the fracture surface.
  • the chisel can be struck at a right angle to the crushing surface in a wide range while the vehicle body is stopped, and the crushing operation can be performed efficiently in a wide range with easy operation by the operator.
  • the breaker rocking lock means and the bucket rocking rocking means are inserted and withdrawn by one common locking pin so that when one is locked, the other is locked.
  • This is a working machine with a brake that is configured to be in the unlocked state.
  • the second invention when one is in the rocking lock, the other is in the rocking lock release, so that erroneous operation is reduced.
  • a quick force bra is connected to the tip of the breaker body, a push link is connected to the other end of the quick force bra, and the bucket is connected to the quick cover.
  • This is a work machine with a breaker to which the gut is detachably attached.
  • the bucket since the bucket can be easily attached and detached, the bucket can be detached at the time of the crushing operation so that the hitting position of the chisel can be easily observed.
  • the fourth invention is the third invention
  • the locking pin can be freely inserted into and removed from a locking pin hole formed in the quick force bra and a locking pin hole formed in the push link. This is a working machine with a breaker, which constitutes the bucket swing locking means.
  • the swing lock can be performed by inserting the lock pin, and the swing lock can be released by removing the lock pin, so that the operation is simplified.
  • the fifth invention is a first invention.
  • a vehicle body having a traveling body, a boom mounted on the vehicle body so as to be able to swing up and down, an arm mounted on the boom so as to be able to swing back and forth, and a chisel mounted so as to be able to swing back and forth with respect to the arm.
  • a working machine with a breaker comprising: a detachable breaker main body; and a breaker cylinder mounted between the breaker main body and the arm.
  • the chisel can be applied to the crushing surface while the vehicle is stopped, and a wide area can be hit by leaving the chisel at a right angle, so that crushing work can be performed efficiently and easily over a wide area.
  • FIG. 1 is a front view of a conventional excavator with a breaker.
  • FIG. 2 is a front view showing a hydraulic shovel with a breaker according to a first embodiment of the present invention.
  • FIG. 3 is a front view showing the arm, the bucket, and the breaker body of the first embodiment.
  • FIG. 4 is a side view showing a state where a bucket of FIG. 3 is removed.
  • FIG. 5 is a sectional view taken along line VV of FIG.
  • FIG. 6 is a sectional view taken along line VI-VI of FIG.
  • FIG. 7 is a sectional view taken along the line VI-VI of FIG.
  • Fig. 8 is an illustration of the bucket excavation work in the first embodiment. It is.
  • FIG. 9 is an explanatory diagram of the crushing operation by the chisel in the first embodiment.
  • FIG. 10 is an explanatory view of the crushing operation by the chisel in the first embodiment.
  • FIG. 11 is a front view showing another example of the bucket swinging means of the first embodiment.
  • FIG. 12 is a cross-sectional view taken along the line X-X in FIG.
  • FIG. 13 is a front view showing another example of the bucket mounting structure of the first embodiment.
  • FIG. 14 is a front view showing still another example of the bucket rocking locking means of the first embodiment.
  • FIG. 15 is a front view showing an arm, a bucket, and a breaker main body according to a second embodiment of the present invention.
  • FIG. 16 is a cross-sectional view taken along the line XVI—XVI in FIG.
  • FIG. 17 is a front view showing a third embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
  • a vehicle body 2 is mounted on a traveling body 1 so as to be free to turn.
  • a boom bracket 3 is attached to the vehicle body 2 so as to be able to swing left and right, and a boom 4 is connected to the boom bracket 3 so as to be able to swing up and down.
  • the boom 4 and the boom bracket are connected.
  • Boom cylinder 5 is installed between 3 and.
  • An arm 6 is swingably connected to the boom 4 in a direction in which the arm 6 is separated from the vehicle body 2 and in a direction in which the arm 6 approaches the vehicle body 2 by an arm connection pin 7, that is, swingably forward and backward.
  • a breaker mounting arm 9 is mounted on the arm 6 so as to be swingable back and forth at a fulcrum pin 10, and a breaker swinging arm 9 is provided between the arm 6 and the arm 6.
  • Dynamic locking means 1 1 is installed.
  • a breaker main body 12 is fixed to the breaker mounting arm 9, and a portion of the breaker main body 12 protruding beyond the breaker mounting arm 9 is provided at one end of a bucket link 13.
  • a bucket link 13 are connected by a first connecting pin 14 so as to be able to swing back and forth, and a bucket 15 is connected by a second connecting pin 16 so as to be able to swing back and forth.
  • One end of the push link 17 is connected to the other end of the bucket link 13 via a third connection pin 18, and the other end of the push link 15 is connected to the other end of the bucket link 13.
  • the bucket 15 is connected to the nut 15 with a fourth connecting pin 19, and a bucket cylinder 20 is mounted between the arm 6 and the bucket link 13.
  • a bucket rocking lock means 21 is mounted between the bucket link 13 and the breaker body 12 so as to lock the bucket 15 so as not to rock.
  • a chisel 22 is detachably mounted on the breaker body 12 to form a breaker.
  • the bucket 15 has a pair of brackets 24 fixed to the back of the bucket body 23, and the bucket 15 is swung toward the vehicle body 2 side.
  • the chisel 22 is attached to the brake force main body 12 from between the pair of brackets 24 and the pair of push links 17. The following describes the details of each part.
  • the arm 6 is formed in a box shape with a lower part opened by a left plate 30, a right plate 31, a front plate 32, a rear plate 33, and an upper plate 34. And a bracket 6b composed of a pair of vertical plates 35 fixed to the upper part of the arm body 6a.
  • a locking pin hole 36 is formed in the middle between the left plate 30 and the right plate 31.
  • a pin insertion hole 37 is formed in the lower part of the left plate 30 and the right plate 31.
  • the breaker mounting arm 9 is formed in a rectangular tube shape by a left plate 40, a right plate 41, a front plate 42, and a rear plate 43.
  • a cylindrical body 44 is fixed between the upper part of the left plate 40 and the upper part of the right plate 41, and the inside thereof is a locking pin hole 45.
  • a pin insertion hole 46 is formed in a vertical intermediate portion between the left plate 40 and the right plate 41, and a bracket 47 is fixed thereto.
  • the bracket 47 has a pin insertion hole 48 concentric with the pin hole 46.
  • the fulcrum pin 10 is inserted into each of the left and right pin through holes 37, 46, 48, as shown in FIG. Numeral 9 is connected to be able to swing forward and backward about the fulcrum pin 10.
  • a lock pin 49 is inserted from the lock pin hole 36 of the arm 6 to the lock pin hole 45 of the breaker mounting arm 9-the lock pin 4 9 locks the arm 6 and the breaker mounting arm 9 so that they do not swing.
  • the breaker The swing opening means 11 is constituted.
  • a screw (not shown) that reciprocates by fluid pressure is provided in the breaker main body 12 and the breaker main body 12 has a chisel insertion hole 12 a opened at a lower end surface.
  • the upper part of the breaker body 12 is fitted into the breaker mounting arm 9 and fixed by the bolt 'nut 50.
  • the breaker body 1 2 protrudes beyond the breaker mounting arm 9, as shown in Fig. 7.
  • the bucket pin hole 53 is formed so as not to interfere with the chisel insertion hole 12a, and the bucket link 13 is provided with a lock pin hole 54.
  • the locking pin hole 54 of the bucket link 13 and the locking pin hole 52 of the breaker body 12 are used when the bucket 15 is swung toward the vehicle body 2.
  • the lock pin 49 of the breaker swing opening means 11 is inserted in this state, and the bucket 15 is locked so as not to swing with respect to the breaker body 12.
  • the rocking rocking means 21 is formed.
  • the lock pin 49 is common to both of the lock means 11 and 21, so that when one lock means is in the locked state, the other lock means is locked.
  • the locking means is in the unlocked state.
  • the lock pin 49 is inserted from the lock pin hole 36 of the arm 6 to the lock pin hole 45 of the breaker mounting arm 9 to swing the breaker.
  • the breaker mounting arm 9 is locked by the dynamic locking means 11 so as not to swing with respect to the arm 6.
  • the bucket rocking locking means 21 does not lock the rocking of the bucket 15, so that the bucket 15 is formed by the bucket cylinder 20. Rock back and forth.
  • the chisel 22 is removed from the breaker body 12, the bucket cylinder 20 is contracted and the bucket 15 is swung to the side opposite to the vehicle body 2, and then the boom is rotated. 4.
  • the excavation work is performed by swinging the baguette 15 toward the vehicle body 2 while swinging the arm 6 downward.
  • the locking pin holes 52 of the breaker body 12 and the locking pins of the bucket link 13 are provided. Insert the lock bin 49 into the hole 54 and lock it so that the bucket 15 does not swing. As a result, the breaker mounting arm 9 can swing back and forth with respect to the arm 6.
  • the arm cylinder 8 is extended to move the arm 6 to the body 2 side, and the bucket cylinder 20 is contracted and operated to move the breaker body 12 together with the breaker mounting arm 9.
  • the chisel 2 2 moves to the vehicle body 2 side, It remains perpendicular to the crushing surface 55.
  • the fracture surface 55 is vertical, as shown in Fig. 10
  • the arm 6 is oriented horizontally and the chisel 22 is opposed to the fracture surface 55.
  • the boom 4 upward or swing as shown by the one-dot chain line and the two-dot chain line in FIG. 10, and the breaker body 12 together with the breaker mounting arm 9 downward or upward.
  • the chisel 22 moves upward or downward, and remains at right angles to the crushing surface 55.
  • ⁇ a pair of brackets 24 of the bracket 15 are formed with pin holes 56 for locking, and a pair of push links are formed.
  • a locking pin hole 57 is formed in 17.
  • the packet 15 is swung toward the vehicle body 2 so that the locking pin holes 56 and the locking pin holes 57 are aligned with each other. Insert the locking pin 49 into the locking pin hole 57 and lock so that the bucket 15 does not swing. Therefore, by inserting the chisel 22 into the breaker body 12 and mounting it in this state, the crushing operation can be performed in the same manner as described above. Next, another example of the mounting structure of the packet 15 will be described.
  • the other end of 60 is connected to a push link 17 by a cylindrical connecting pin 61.
  • a support recess 62 is formed at a portion near one end of the quick force bra 60, and the support recess is formed.
  • a pair of brackets for buckets 15 on 6 2 The pin 63 inserted between the ends of the pair of brackets 24 is engaged with each other, and the holes of the pair of brackets 24 near the other end and the bucket are connected to the cylindrical connecting pins 61. Bucket 15 is attached by inserting bin 64.
  • the bucket 15 can be easily removed by pulling out the bucket bin 64 and detaching the pin 63 from the support recess 62.
  • the bucket 15 can be easily attached by inserting the bucket bin 64 together with engaging the holder 63 with the support recess 62.
  • a quick force bra 60 and a push link 17 are provided with locking pins. Holes 56 and 57 are formed, and lock pins 49 are inserted into these pin holes 56 and 57 to prevent the quick force bra 60 from swinging. You can do it.
  • Pin holes are formed in the front part near the lower end and the rear part near the lower end of the left plate 30 and the right plate 31. 70 and a lock pin hole 71 are formed respectively, and a pin through hole 72 is formed at the lower front part of the breaker body 12 and at the lower rear part. A locking pin hole 73 is formed.
  • the chisel 22 can be moved toward and away from the vehicle body 2 by removing the lock pin 49 in the same manner as described above, but the chisel 22 remains Crushing work can be performed while maintaining the right angle.
  • the break force main body 12 is mounted on the breaker mounting arm 9 so that it can swing back and forth with the fulcrum pin 10.
  • a protrusion 75 is welded, bolted, or formed integrally with the breaker body 12, and a breaker cylinder 76 is attached between the protrusion 75 and the arm 6. ing.
  • the arm cylinder 8 is extended and operated to swing the arm 6 toward the vehicle body 2, and the breaker cylinder 76 is contracted and operated to form the breaker mounting arm 9 together with the breaker mounting arm 9.
  • the chisel 2 2 moves to the vehicle body 2 ⁇ ⁇ ⁇ and remains at a right angle to the crushing surface 55.
  • the arm 6 When the crushing surface 55 is vertical, the arm 6 is oriented horizontally, the chisel 22 is at right angles to the crushing surface 55, and the boom 4 is moved upward or downward, as in the first embodiment. While swinging, the breaker body 12 together with the breaker mounting arm 9 is swung downward or upward to move the chisel 22 upward or downward, while maintaining the right angle to the crushing surface 55. I do.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

L'invention concerne un engin de travaux doté d'un broyeur et comprenant un corps de véhicule (2) possédant une unité (1) de roulement, une flèche (4) montée verticale et oscillante sur le corps du véhicule, un bras (6) monté longitudinal et oscillant sur la flèche, un corps principal (12) de broyeur monté longitudinal et oscillant par rapport au bras et comportant un élément cylindrique muni d'une pointe (22) et monté amovible sur le corps principal du broyeur; l'engin selon l'invention comporte également un godet (15) monté longitudinal et oscillant sur une extrémité avant du corps principal du broyeur, une articulation (13) de godet montée longitudinale et oscillante sur l'extrémité avant du corps principal de broyeur, une articulation de poussée (17) reliée à l'articulation de godet et au godet, un vérin (20) de godet monté entre le bras et l'articulation de godet, un dispositif de blocage d'oscillation du broyeur (11) permettant soit de bloquer le corps principal du broyeur de sorte qu'il n'oscille pas par rapport au bras, soit de libérer le blocage, et un dispositif de blocage d'oscillation du godet (21) permettant soit de bloquer le godet de sorte qu'il n'oscille pas par rapport au corps principal du broyeur, soit de libérer le blocage.
PCT/JP1996/003596 1996-12-06 1996-12-06 Engin de travaux dote d'un broyeur Ceased WO1998024984A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1996/003596 WO1998024984A1 (fr) 1996-12-06 1996-12-06 Engin de travaux dote d'un broyeur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1996/003596 WO1998024984A1 (fr) 1996-12-06 1996-12-06 Engin de travaux dote d'un broyeur

Publications (1)

Publication Number Publication Date
WO1998024984A1 true WO1998024984A1 (fr) 1998-06-11

Family

ID=14154209

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1996/003596 Ceased WO1998024984A1 (fr) 1996-12-06 1996-12-06 Engin de travaux dote d'un broyeur

Country Status (1)

Country Link
WO (1) WO1998024984A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101942844A (zh) * 2010-10-14 2011-01-12 天津玖丰重工机械有限公司 挖掘机铲斗

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0386148U (fr) * 1989-12-20 1991-08-30
JPH08165675A (ja) * 1994-12-12 1996-06-25 Komatsu Ltd ブレーカ内蔵式アーム付油圧ショベル
JPH08333764A (ja) * 1995-06-07 1996-12-17 Komatsu Zenoah Co ブレーカ内蔵アーム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0386148U (fr) * 1989-12-20 1991-08-30
JPH08165675A (ja) * 1994-12-12 1996-06-25 Komatsu Ltd ブレーカ内蔵式アーム付油圧ショベル
JPH08333764A (ja) * 1995-06-07 1996-12-17 Komatsu Zenoah Co ブレーカ内蔵アーム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101942844A (zh) * 2010-10-14 2011-01-12 天津玖丰重工机械有限公司 挖掘机铲斗

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