WO2016060348A1 - 회전장치를 갖는 굴착기용 암 - Google Patents
회전장치를 갖는 굴착기용 암 Download PDFInfo
- Publication number
- WO2016060348A1 WO2016060348A1 PCT/KR2015/004703 KR2015004703W WO2016060348A1 WO 2016060348 A1 WO2016060348 A1 WO 2016060348A1 KR 2015004703 W KR2015004703 W KR 2015004703W WO 2016060348 A1 WO2016060348 A1 WO 2016060348A1
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- WIPO (PCT)
- Prior art keywords
- arm
- hydraulic
- shaft
- fixed
- fixing plate
- Prior art date
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Classifications
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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
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/427—Drives for dippers, buckets, dipper-arms or bucket-arms with mechanical drives
-
- 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
- E02F3/303—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 with the dipper-arm or boom rotatable about its longitudinal axis
-
- 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
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
-
- 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
- E02F3/3677—Devices to connect tools to arms, booms or the like allowing movement, e.g. rotation or translation, of the tool around or along another axis as the movement implied by the boom or arms, e.g. for tilting buckets
- E02F3/3681—Rotators
-
- 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
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
- E02F3/382—Connections to the frame; Supports for booms or arms
-
- 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
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
-
- 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
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/425—Drive systems for dipper-arms, backhoes or the like
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/006—Pivot joint assemblies
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/14—Booms only for booms with cable suspension arrangements; Cable suspensions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
Definitions
- the present invention relates to an excavator arm having a rotating device, and more particularly, it is fixedly installed between the upper arm and the lower arm, in particular the lower arm can be rotated more than 360 degrees in both directions and at the same time rotated after a certain angle
- the excavation direction is inclined at a certain angle from the forward excavation work direction and the reverse excavation work direction as well as the forward excavation work direction or the reverse excavation work direction without requiring the removal and remounting of the bucket.
- the excavation work direction can be easily changed in this direction. Therefore, the removal and remounting of the buckets is not required, which greatly increases the efficiency of the excavation work and minimizes the fatigue of the workers.
- the present invention relates to an excavator arm having a rotating device.
- an excavator for construction equipment is connected to a main body mounted on a driving means and an upper portion of the main body and is operated by a boom cylinder, an arm connected to the boom and operated by an arm cylinder, and connected to an end of the arm. And is configured to include a bucket operated by a bucket cylinder.
- the boom performs an up-down movement, which is an up and down movement by the rotation of the boom connection portion by the boom cylinder, and the arm is pulled forward by the rotation of the arm connection portion by the arm cylinder and then back. It's a crowded and dumped exercise.
- the arm is operated only in the front and rear direction by the boom cylinder at the end of the boom, so that the rotation is impossible, so that the excavation direction of the bucket is from the front to the excavator side (hereinafter, the forward direction)
- the reverse excavation work direction In order to switch the excavation direction of the bucket from the excavator side to the reverse excavation work (hereinafter referred to as the reverse excavation work direction) during the excavation work direction, the mounting direction of the bucket is changed from the excavation work direction after stopping the excavation work.
- the reverse excavation work direction was to be installed by switching 180 degrees, that is, the excavation work is not easy because the separation and remounting of the bucket is required to change the excavation work direction.
- the conventional excavator arm is not possible to rotate the bucket in the excavation work direction, so that the separation and remounting time of the bucket is required, so that the separation and remounting time of the bucket occurs when the excavation work direction is changed, thus excavating work.
- the efficiency of the There was a problem that the efficiency of the.
- the conventional excavator arm as described above cannot change the digging direction of the bucket without removing and remounting the bucket after the bucket is mounted once, and the digging direction of the bucket is the forward digging operation direction and
- excavation work such as fan shape is required because it is limited to the reverse excavation work direction, turning the excavator's slewing tower or maneuvering of the excavator itself is required. Therefore, it takes much time for excavation work. There was a problem that the efficiency of the greatly reduced.
- the excavation direction can be easily changed in the direction of the forward excavation work and the reverse excavation work as well as the inclined direction at a predetermined angle without requiring the removal and remounting of the bucket, thereby improving the efficiency of the excavation work.
- Patent Document 1 Republic of Korea Patent Publication No. 2014-21084 2014.02.20.
- Patent Document 2 Republic of Korea Patent Publication No. 2010-74428 2010.07.02.
- an object of the present invention is to provide an excavator arm having a rotating device that can easily change the excavation work direction in a direction inclined at a predetermined angle from the forward excavation work direction or the reverse excavation work direction.
- the technique according to the present invention is excavated in the excavation direction in the direction of the forward excavation work and the reverse excavation work as well as the direction of the inclined excavation in a forward angle or the reverse excavation work direction without the need to remove and remount the bucket
- the purpose of the present invention is to significantly increase the efficiency of the excavation work and to minimize the fatigue of the worker, thereby improving the work efficiency.
- Another object of the technology according to the present invention is further provided with an anti-rotation unit having a stopper gear that is selectively engaged with the worm wheel of the rotating device, so that the lower arm can be rotated even during excavation after a certain angle rotation operation of the lower arm.
- the maintenance can be made more stable, thereby allowing a more stable excavation work even if the lower arm is rotated at an angle.
- the technology according to the present invention is fixed between the upper arm and the lower arm, in particular the lower arm is rotatable device that can be used in a fixed state after being rotated at a certain angle and at the same time rotatable more than 360 degrees in both directions Since it can be rotated more than 360 degrees in both directions, even if it is necessary to rotate again after a certain angle, it can be used again by rotating a certain angle in the same direction while preventing the twist of the upper hydraulic line or lower hydraulic line, accordingly It is an object of the present invention to more efficiently rotate the lower arm by using the rotational angle of the arm selectively rotating in one direction or the other direction based on the minimum rotational angle.
- the present invention for achieving the above object is as follows. That is, the excavator arm having a rotating device according to the present invention is connected to the boom of the excavator is operated by the arm cylinder and the bucket for excavation at the lower end is connected via a quick coupler interposed, for the operation of the bucket on the front side
- the rotating device has an upper arm fixing plate fixed to the lower end of the upper arm on the upper surface; A fixing plate having an upper surface closely fixed to a lower surface of the upper arm fixing plate; A fixing ring having a lower end bent outwardly and fixed to a lower surface of the fixing plate; A rotating ring having an upper end bent inwardly and engaged with the fixing ring to be rotatable; A rotating plate fixed to the bottom of the rotating ring and selectively rotating together with the rotating ring; A lower arm fixing plate fixed to the lower surface of the rotating plate to fix the upper end of the lower arm; A rotating shaft having a lower end fixed to the rotating plate by a fixing piece through a center of the lower arm fixing plate and the upper arm fixing plate, the upper outer surface of which being supported by a shaft bushing to be rotatable in the center of the fixing plate; A fixed bracket having an outer end fixed to the lower inner surface of the upper arm is provided to protrude outward from the outer surface, and a coupling groove is formed in the bottom surface and the upper hydraulic line is
- a hydraulic connection cover through which the line and the hydraulic recovery guide line are formed; It is installed to penetrate the center of the rotary shaft so as to project a predetermined length upward from the top of the rotary shaft, but protruding pieces protrude outward from the lower end, and are installed to penetrate the center of the rotary shaft by the protruding pieces, and through the coupling groove of the hydraulic connection cover.
- the upper end protruding from the fixing is rotatably coupled, passing through both sides from the outer side to the inner side is penetrated to both sides is connected to the hydraulic supply guide line, the hydraulic recovery guide line, the hydraulic supply line, the hydraulic recovery line is formed,
- the hydraulic pressure supplied and recovered from the upper hydraulic line connected to the hydraulic supply guide line and the hydraulic recovery guide line of the connection cover is supplied and recovered to the bucket cylinder via the lower hydraulic line connected to the lower end of the hydraulic supply line and the hydraulic recovery line.
- Pilot hydraulic shaft A driving means installed on one side of an upper surface of the upper arm fixing plate to transmit a driving force for the rotation of the rotary shaft;
- An interlocking means installed on one side of the upper surface of the fixing plate perpendicular to the driving means and interlocked by a driving force of the driving means;
- an interlocking rotation means connected to the interlocking means and a gear type, and coupled and fixed along an upper circumference of the rotary shaft to interlock the rotary shaft by the interlocking power of the interlocking means.
- the hydraulic supply line is a hydraulic supply which is connected 360 degrees along the circumference of the hydraulic shaft for a predetermined depth from one side of the upper outer surface of the hydraulic shaft of the upper end to the central side
- the communication groove is recessed, and the hydraulic recovery line is preferably formed in the hydraulic recovery communication groove which is communicated 360 degrees along the circumference of the hydraulic shaft with respect to a predetermined depth from the other side of the upper outer surface of the hydraulic shaft which is the upper end.
- a sealing groove is formed on the hydraulic supply communication groove of the hydraulic shaft, and a sealing groove is inserted and fixed to the sealing groove, and a sealing groove is formed on the hydraulic recovery communication groove of the hydraulic shaft, It is preferable that the sealing member is inserted and fixed in the sealing groove.
- the driving means is a mounting bracket fixed to one side of the upper surface of the upper arm fixing plate, a drive shaft which is rotatably installed on the mounting bracket, the drive motor connected to the drive shaft and the drive shaft and the drive shaft It is preferable to include a drive gear provided in the end of the conical gear type.
- the interlocking means is installed on one side of the upper surface of the fixing plate is interlocked by the driving force of the driving means, is disposed orthogonal to the driving means, the mounting bracket is fixed to the upper surface of the fixing plate and the installation
- a worm shaft which is rotatably supported on both sides of the bracket, a worm provided at the center of the worm shaft, an interlocking shaft extending from one end of the worm shaft and protruding a predetermined length from the mounting bracket, and a conical gear type at the end of the interlocking shaft. It is preferably made to include an interlocking gear that is engaged with the drive gear orthogonal to the drive force of the drive shaft is interlocked with the interlocking shaft.
- interlocking rotation means is connected to the interlocking means and the gear type, it is preferable that the interlocking rotation of the interlocking shaft is provided as a worm wheel to rotate in engagement with the worm.
- the interlocking means is fixed to a pair of the fixing plate upper surface and the other side opposite to each other on the basis of the rotation axis
- the drive means also corresponds to the interlocking means and the upper arm fixing plate upper surface one side relative to the rotation axis It can be fixedly installed in pairs to face each other and the other side.
- the outer surface of the worm wheel is selectively engaged with a gear type so that the rotation axis rotates at an angle so that the lower arm fixed at the upper end to the bottom of the lower arm fixing plate is rotated at an angle to maintain the rotation without flow.
- An anti-rotation unit for selectively preventing rotation of the worm wheel may be installed and fixed on one side of the upper arm fixing plate at one side of the rotating shaft.
- the anti-rotation unit is provided on the mounting bracket fixed to the upper side of the upper arm fixing plate, the stopper cylinder and the rod end of the stopper cylinder is fixed to the mounting bracket so that the rod can be reciprocated in the horizontal direction
- the stopper gear is configured to selectively engage an outer surface of the worm wheel.
- the lower arm is selectively rotated at an angle by the rotating device with respect to the upper arm so that the bucket can be operated by the bucket cylinder in a rotated state so that the excavation can be performed.
- a connection bracket is provided on the upper surface of which the upper end of the bucket cylinder is connected to the link.
- the rotary device fixedly installed between the upper arm and the lower arm is provided so that the excavation direction can be changed in the forward excavation direction and the reverse excavation direction as well as the forward excavation operation direction or the reverse excavation operation without requiring the removal and remounting of the bucket.
- the excavation work direction can be easily changed also in the direction inclined at a certain angle from the direction.
- the excavation direction can be easily changed in the direction of forward excavation and reverse excavation as well as the direction of inclined excavation in the direction of forward excavation or reverse excavation without the need to remove and remount the bucket. This eliminates the need for bucket removal and remounting, significantly increasing the efficiency of the excavation and minimizing worker fatigue, thereby improving work efficiency.
- the anti-rotation unit having a stopper gear that is selectively engaged with the worm wheel of the rotating device is further provided so that the maintenance of the rotated state of the lower arm can be made more stable even during excavation work after a certain angle rotation operation of the lower arm. As a result, even more stable excavation can be performed even when the lower arm is rotated at an angle.
- the lower arm can be rotated more than 360 degrees in both directions and at the same time rotated by a certain angle is provided with a rotating device that can be used in a fixed state 360 in both directions Even if it is possible to rotate more than a degree and rotate again by a certain angle, even if it needs to be rotated again, it can be used again by rotating the same angle in the same direction while preventing the twist of the upper hydraulic line or the lower hydraulic line, thereby minimizing the rotation angle of the lower arm.
- the selective rotation in one direction or the other direction based on the rotation angle of the more efficient rotation of the lower arm can be made.
- FIG. 1 is a front configuration diagram showing an arm for an excavator having a rotating device according to the present invention.
- Figure 2 is a perspective view showing a rotating device that is a main portion of the excavator arm having a rotating device according to the present invention.
- Figure 3 is a cross-sectional view showing a rotating device that is a main portion of the excavator arm having a rotating device according to the present invention.
- Figure 4 is a plan view showing a rotating device that is a main portion of the excavator arm having a rotating device according to the present invention.
- 5 and 6 is a use state diagram showing a state in which the lower arm of the excavator arm having a rotating device according to the invention is selectively rotated step by step.
- Figure 7 is a plan view showing another embodiment of the main rotating device in the excavator arm having a rotating device according to the present invention.
- Figure 8 is a plan view showing another embodiment of the main rotating device in the excavator arm having a rotating device according to the present invention.
- shaft bushing 540 hydraulic shaft
- protrusion 542 hydraulic supply line
- sealing member 590 hydraulic connection cover
- anti-rotation unit 581 stopper cylinder
- bucket 750 bucket cylinder
- FIG. 1 is a front configuration diagram showing an excavator arm having a rotating device according to the present invention
- Figure 2 is a perspective configuration diagram showing a rotating device that is a main portion of the excavator arm having a rotating device according to the present invention
- Figure 3 Fig. 4 is a cross-sectional view showing a rotating device that is a main part of an excavator arm having a rotating device according to the present invention
- Fig. 4 is a plan view showing a rotating device that is a main part of an excavator arm having a rotating device according to the present invention.
- 5 and 6 is a use state diagram showing the state in which the lower arm of the excavator arm having a rotary device according to the invention is selectively rotated step by step.
- the excavator arm 300 having a rotating device is connected to the boom 100 of the excavator is operated by the arm cylinder 200 and excavation at the lower end Bucket 700 is connected to the quick coupler (unsigned) is interposed, the front 300 is the arm 300 is installed bucket cylinder 750 for the operation of the bucket 700, the upper arm 310 and The lower arm 320 is divided into the lower arm 320 so that the lower arm 320 is selectively rotated at an angle between the upper arm 310 and the lower arm 320, but the lower arm 320 is 360 degrees or more in both directions.
- the rotatable device 500 which is rotatable and selectively rotates at an angle is fixedly installed.
- the lower arm 320 is selectively rotated by a predetermined angle by the rotating device 500 based on the upper arm 310, the rotation
- the lower arm 320 is linked to the upper end of the bucket cylinder 750 on one outer upper surface thereof so that the bucket 700 can be operated by the bucket cylinder 750 to be excavated. It is preferable that a connection bracket (unsigned) is provided.
- the rotary device 500 is the upper arm fixed plate 510, fixed plate 511, fixed ring 515, rotary ring 525, rotary plate 521, the lower arm fixing plate 520, the rotating shaft 530, the hydraulic connection cover 590, the hydraulic shaft 540, the driving means, interlocking means and interlocking rotation means.
- the upper arm fixing plate 510 is fixed to the lower end of the upper arm 310 on the upper surface, wherein the lower end of the upper arm 310 and the upper arm fixing plate 510 by welding Fixed installation is preferred.
- the fixing plate 511 is fixed to the upper surface on the lower surface of the upper arm fixing plate 510 is close, the upper end of the lower arm 320 is fixed to the upper arm fixing plate 520 by welding It is preferable.
- the fixing ring 515 is fixed to the lower end of the fixing plate 511 is bent outwardly coupled, the rotating ring 525 is bent inward to the upper end is rotatable with the fixing ring 515. Are assembled together.
- the rotating plate 521 is fixed to the lower end of the rotating ring 525 to be selectively rotated together with the rotating ring 535, and the lower arm fixing plate 520 has a lower surface of the rotating plate 521. It is fixed in close contact with the upper end of the lower arm 320 is fixed.
- the rotating shaft 530 is penetrated through the center of the lower arm fixing plate 520 and the upper arm fixing plate 510, the lower end is fixed to the rotating plate 521 by a fixing piece 529, the upper The outer surface is supported by the shaft bushing 535 to be rotatable in the center of the fixing plate 511.
- the hydraulic connection cover 590 is provided with a fixing bracket 590 'protruding outward from the outer surface is fixed to the lower inner surface of the upper arm 310, the coupling groove 591 is formed in the bottom
- the hydraulic supply guide line 592 and the hydraulic recovery guide line 594 are penetrated from both sides of the upper surface to the coupling groove 591 so that the upper hydraulic line 601 is connected to both sides of the upper surface.
- the hydraulic shaft 540 is installed through the center of the rotary shaft 530 so as to protrude upward a predetermined length from the top of the rotary shaft 530, the protruding piece 541 at the bottom protrudes outward to the protruding piece 541 It is installed so as to pass through the center of the rotating shaft 530.
- the hydraulic shaft 540 is fixed to the upper end portion protruding from the upper end of the rotary shaft 530 through the coupling groove 591 of the hydraulic connection cover 590 to be rotatable, and penetrates to both sides through both sides of the outer surface.
- the hydraulic supply guide line 592, the hydraulic recovery guide line 594 is connected to the hydraulic supply line 542, the hydraulic recovery line 544 is formed.
- the hydraulic shaft 540 as described above is the hydraulic pressure supplied and recovered from the upper hydraulic line 601 connected to the hydraulic supply guide line 592 and the hydraulic recovery guide line 594 of the hydraulic connection cover 590. It is to guide the supply and recovery to the bucket cylinder 750 side through the lower hydraulic line 605 connected to the hydraulic supply line 542 and the hydraulic recovery line 544.
- the driving means is installed on one side of the upper surface of the upper arm fixing plate 510 is to transmit a driving force for the rotation of the rotating shaft 530.
- the driving means includes an installation bracket 575 fixed to one side of the upper surface of the upper arm fixing plate 510, a drive shaft 571 rotatably installed on the installation bracket 575, and the drive shaft 571. It is preferable that the drive motor 570 is connected to the drive shaft 571 to drive the drive shaft 571 and the drive gear 573 is provided at the end of the drive shaft 571 as a conical gear type.
- interlocking means is installed on one side of the upper surface of the fixed plate 511 orthogonal to the above-described driving means is interlocked by the driving force of the driving means.
- the interlocking means is installed on one side of the upper surface of the fixing plate 511 is interlocked by the driving force of the driving means, the mounting bracket 555, the worm shaft 552, the worm 551, the interlocking shaft 553 And an interlocking gear 554.
- the mounting bracket 555 is disposed orthogonal to the driving means, it is preferable that the fixing plate 511 is fixed to one side of the upper surface.
- the worm shaft 552 is fixed to both sides to be rotatable on the mounting bracket 555, the worm 551 is provided in the center of the worm shaft 552.
- the interlocking shaft 553 extends from one end of the worm shaft 551 to protrude a predetermined length from the mounting bracket 555, and the interlocking gear 554 has a conical gear type at the end of the interlocking shaft 553.
- the driving force of the driving shaft 571 is interlocked with the driving gear 573 so as to interlock with the driving shaft 553.
- the interlocking rotation means is connected to the interlocking means and the gear type, it is coupled to be fixed along the upper circumference of the rotary shaft 530 so that the rotary shaft 530 is interlocked by the interlocking power of the interlocking means.
- the interlocking rotation means is connected to the interlocking means and the gear type, it is preferable to be provided as a worm wheel 561 to rotate in engagement with the worm 551 by the interlocking rotation of the interlocking shaft (553).
- the worm wheel 561 rotates in engagement with the worm 551 so that the rotation shaft 530 rotates, thereby fixing the rotation plate 521 fixed to the lower end of the rotation shaft 530 by the fixing piece 529. ) Can be rotated.
- the lower arm fixing plate 520 fixed to the lower surface of the rotating plate 521 rotates, and in this case, an upper end of the lower arm fixing plate 520 is lowered.
- the fixed lower arm 320 is to be rotated.
- the hydraulic supply line 542 is a hydraulic supply communication groove 542a communicated 360 degrees along the circumference of the hydraulic shaft 540 with respect to a predetermined depth from one side of the upper outer surface of the hydraulic shaft 540 which is an upper end. ) Is formed recessed.
- a sealing groove 543 is formed above and below the hydraulic supply communication groove 542a of the hydraulic shaft 540 so that the sealing member 543a is inserted into and fixed to the sealing groove 543.
- the hydraulic recovery line 544 is a hydraulic recovery communication groove 544a communicating 360 degrees along the circumference of the hydraulic shaft 540 with respect to a predetermined depth from the other side of the upper outer surface of the hydraulic shaft 540 which is an upper end. ) Is formed recessed.
- a sealing groove 545 is formed above and below the hydraulic recovery communication groove 544a of the hydraulic shaft 540 so that the sealing member 545a is inserted into and fixed to the sealing groove 545.
- the operator operates the driving motor 570 through the operation in the driver's seat to interlock the driving force Rotate the worm 551 by transmitting to.
- the worm wheel 561 engaged with the worm 551 rotates to rotate the worm wheel 561, the rotation shaft 530, the rotation plate 521, and the lower arm fixing plate. 520 is rotated, so that the lower arm 320, the upper end of which is fixed to the lower surface of the lower arm fixing plate 520 is rotated.
- the hydraulic shaft 540 is rotated together with the rotary shaft 530 when the rotary shaft 530 rotates, the hydraulic shaft 540 is coupled to the coupling groove 591 of the hydraulic connection cover 590. It will rotate in a fixed state.
- the driving motor 570 After rotating the lower arm 320 at a desired angle through the above process, the driving motor 570 is operated to stop, and then the excavation work can be performed.
- the angle of the bucket 700 is rotated according to the rotation of the lower arm 320 has been described on the basis of 180 degrees
- the angle at which the bucket 700 is rotated according to the rotation of the lower arm 320 may be rotated 360 degrees in one direction, and may be 30 degrees, 45 degrees, 60 degrees, 90 degrees, 120 degrees, 150 degrees, 180 degrees, or 210 degrees. It can be operated in the driver's seat of the excavator at various rotation angles, such as 240 degrees, 270 degrees, 310 degrees, and 330 degrees.
- the angle at which the bucket 700 is rotated in accordance with the rotation of the lower arm 320 may be rotated in the same direction as in the other direction.
- the driving motor 570 is selectively driven in the forward and reverse directions so that the angle at which the bucket 700 is rotated according to the rotation of the lower arm 320 may be rotated at various angles in one direction and the other direction. It is preferably provided as a forward and reverse motor, through which the operator can rotate the angle of the bucket 700 in accordance with the rotation of the lower arm 320 can be used to rotate at various angles through the operation in the driver's seat of the excavator.
- one end of the lower hydraulic line 602 is connected to the hydraulic shaft 540, the other end is penetrated through the lower arm 320, respectively. Is connected to the bucket cylinder 750 is preferable.
- Figure 7 is a plan view showing another embodiment of the main rotating device in the excavator arm having a rotating device according to the present invention.
- the embodiment as shown in FIG. 7 has a difference only in that the rotation preventing unit 580 is further provided from the embodiment described with reference to FIGS. 1 to 6.
- the rotation preventing unit 580 is further provided from the embodiment described with reference to FIGS. 1 to 6.
- a detailed description of the configuration having the same reference numeral will be omitted. Let's do it.
- FIG. 7 another embodiment of the rotating device is a main portion of the excavator arm having a rotating device according to the invention is selectively geared to the outer surface of the worm wheel (561)
- the rotary shaft 530 is rotated by a predetermined angle so that the lower arm 320, the upper end of which is fixed to the lower surface of the lower arm fixing plate 520, remains rotated without flow in a state in which the rotary shaft 530 is rotated.
- Rotation prevention unit 580 for selectively preventing rotation of the worm wheel 561 on one side of the upper arm fixing plate 510 of one side is installed and fixed.
- the anti-rotation unit 580 is a mounting bracket (587) fixed to one side of the upper surface of the upper arm fixing plate 510, and the rod 583 to the mounting bracket (587) to be reciprocating in the horizontal direction.
- the stopper cylinder 581 to be supported and fixed to the end of the rod 583 of the stopper cylinder 581 is preferably composed of a stopper gear 585 that is selectively engaged with the outer surface of the worm wheel 561.
- Figure 8 is a plan view showing another embodiment of the main rotating device in the excavator arm having a rotating device according to the present invention.
- the embodiment as shown in FIG. 8 has a difference only in that the driving means and the interlocking rotation means are provided in pairs with the embodiment described with reference to FIGS. 1 to 6. It will be omitted.
- FIG 8 with reference to Figures 1 to 6, another embodiment of the main rotating device in the excavator arm having a rotating device according to the present invention may be provided with a pair of drive means and interlocking rotation means. It is.
- the interlocking means is fixed to the upper and lower sides of the upper surface of the fixed plate 511 based on the rotating shaft 530 and installed in a pair, and the driving means also corresponds to the interlocking means to reference the rotating shaft 530. It is preferable that the upper arm fixing plate 510 is installed in a pair of opposite to one side and the other side of the upper surface.
- the lower arm can be more stably rotated, and at the same time, the worm 551 rotates as a pair when the worm wheel 561 rotates.
- the bucket 700 may be rotated about the lower arm 320 rotated by the worm wheel 561 during the excavation operation after the rotation operation of the bucket 700. It will be able to remain fixed.
- the bucket 700 is provided by the rotating device 500 is fixed between the upper arm 310 and the lower arm 320
- Excavation direction can be easily changed in the direction of forward excavation and reverse excavation, as well as in the direction of forward excavation or reverse excavation, without requiring separation and remounting .
- the excavation direction may be changed in the excavation direction in the forward excavation work direction and the reverse excavation work direction as well as in the direction inclined at a predetermined angle from the forward excavation work direction or the reverse excavation work direction without requiring the removal and remounting of the bucket 700.
- Easily changing the bucket 700 is not required because the separation and remounting work is required to significantly increase the efficiency of the excavation work and at the same time minimize the fatigue of the operator can improve the work efficiency.
- the anti-rotation unit 580 having a stopper gear 585 which is selectively engaged with the worm wheel 561 of the rotating device 500 is further provided, so that the lower arm 320 may be lowered even when excavation work after a certain angle rotation operation. Maintenance of the rotated state of the arm 320 can be made more stable, and thus a more stable excavation can be made even when the lower arm 320 is rotated at an angle.
- the rotating device is fixedly installed between the upper arm 310 and the lower arm 320, in particular the lower arm 320 can be rotated 360 degrees or more and at the same time rotated at a predetermined angle and then used in a fixed state ( 500 is provided so that it can be rotated more than 360 degrees in both directions, even if it is required to rotate after a certain angle again to prevent the twisting of the upper hydraulic line 601 or lower hydraulic line 605 while maintaining the same angle again in the same direction
- the rotation of the lower arm 320 may be performed by selectively rotating the rotation angle of the lower arm 320 in one direction or the other direction based on the minimum rotation angle. .
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- Earth Drilling (AREA)
Abstract
Description
Claims (11)
- 굴착기의 붐(100)에 연결되어 암 실린더(200)에 의해 작동되고 하단부에 굴착을 위한 버킷(700)이 퀵 커플러가 개재되어 연결되며, 전방 측에 상기 버킷(700)의 작동을 위한 버킷 실린더(750)가 설치되는 암(300)으로서,상기 암(300)은 상부 암(310)과 하부 암(320)으로 분할되어 상기 상부 암(310)과 하부 암(320) 사이에 상기 하부 암(320)이 선택적으로 일정각도 회전되도록 하되, 상기 하부 암(320)이 양 방향으로 360도 이상 회전가능하면서 선택적으로 일정각도 회전되도록 하는 회전장치(500)가 고정설치됨을 특징으로 하는 회전장치를 갖는 굴착기용 암.
- 제1항에 있어서,상기 회전장치(500)는 상면에 상기 상부 암(310)의 하단이 고정설치되는 상부 암 고정플레이트(510);상기 상부 암 고정플레이트(510) 하면에 상면이 밀착고정되는 고정플레이트(511);상기 고정플레이트(511)의 하면에 하단부가 외향 절곡되어 결합고정되는 고정링(515);상단부가 내향 절곡되어 상기 고정링(515)과 회전 가능토록 맞물려 조립되는 회전링(525);상기 회전링(525)의 하단에 밀착고정되어 상기 회전링(525)과 함께 선택적으로 회전되는 회전플레이트(521);상기 회전플레이트(521)의 하면에 밀착고정되어 상기 하부 암(320)의 상단이 고정설치되는 하부 암 고정플레이트(520);상기 하부 암 고정플레이트(520)와 상부 암 고정플레이트(510)의 중앙을 관통하여 하단이 고정편(529)에 의해 상기 회전플레이트(521)와 고정설치되며, 상부 외면이 상기 고정플레이트(511)의 중앙부에 회전가능토록 축부싱(535)을 통해 지지되는 회전축(530);상기 상부 암(310)의 하측 내면에 외측 단이 고정설치되는 고정브래킷(590')이 외면으로부터 외향 돌출 구비되며, 저면에 결합홈(591)이 함몰 형성되고 상면 양측에 상부유압라인(601)이 연결되도록 상면 양측으로부터 상기 결합홈(591) 측으로 유압공급안내라인(592)과 유압회수안내라인(594)이 관통형성되는 유압연결커버(590);상기 회전축(530) 상단으로부터 상향 일정길이 돌출되도록 상기 회전축(530) 중앙을 관통하여 설치되되 하단에 돌출편(541)이 외향 돌출되어 상기 돌출편(541)에 의해 상기 회전축(530) 중앙을 관통하도록 설치되며, 상기 유압연결커버(590)의 결합홈(591)을 통해 상기 회전축(530) 상단으로부터 돌출된 상단부가 회전가능토록 결합고정되고, 외면 양측으로부터 내측을 거쳐 하면 양측으로 관통되어 상기 유압공급안내라인(592), 유압회수안내라인(594)과 연통 연결되는 유압공급라인(542), 유압회수라인(544)이 형성되며, 상기 유압연결커버(590)의 유압공급안내라인(592)과 유압회수안내라인(594)에 연결되는 상부유압라인(601)으로부터 공급, 회수되는 유압이 상기 유압공급라인(542)과 유압회수라인(544) 하단에 연결되는 하부유압라인(605)을 거쳐 상기 버킷 실린더(750) 측으로 공급, 회수되도록 안내하는 유압축(540);상기 상부 암 고정플레이트(510)의 상면 일측에 설치되어 상기 회전축(530)의 회전을 위한 구동력을 전달하는 구동수단;상기 구동수단과 직교하여 상기 고정플레이트(511) 상면 일측에 설치되어 상기 구동수단의 구동력에 의해 연동되는 연동수단; 및상기 연동수단과 기어타입으로 연결되며, 상기 회전축(530) 상단 둘레를 따라 결합고정되어 상기 연동수단의 연동되는 동력에 의해 상기 회전축(530)이 연동회전되도록 하는 연동회전수단을 포함하여 이루어짐을 특징으로 하는 회전장치를 갖는 굴착기용 암.
- 제2항에 있어서,상기 연동회전수단에 의해 상기 회전축이 연동회전되면서 상기 유압축(540)이 일정각도 회전된 경우에도 360도 회전방향 전체에 걸쳐 상기 유압연결커버(590)의 유압공급안내라인(592)과 유압회수안내라인(594)으로부터 상기 유압축(540)의 유압공급라인(542)과 유압회수라인(544) 측으로 유압이 안내될 수 있도록,상기 유압공급라인(542)은 상측 단부인 상기 유압축(540)의 상부 외면 일측으로부터 중앙 측으로 일정깊이에 대하여 상기 유압축(540)의 둘레를 따라 360도 연통되는 유압공급연통홈(542a)이 함몰 형성되며,상기 유압회수라인(544)은 상측 단부인 상기 유압축(540)의 상부 외면 타측으로부터 중앙 측으로 일정깊이에 대하여 상기 유압축(540)의 둘레를 따라 360도 연통되는 유압회수연통홈(544a)이 함몰 형성됨을 특징으로 하는 회전장치를 갖는 굴착기용 암.
- 제3항에 있어서,상기 유압축(540)의 상기 유압공급연통홈(542a) 상, 하부에는 씰링홈(543)이 형성되어 상기 씰링홈(543)에 씰링부재(543a)가 삽입고정되며,상기 유압축(540)의 상기 유압회수연통홈(544a) 상, 하부에도 씰링홈(545)이 형성되어 상기 씰링홈(545)에 씰링부재(545a)가 삽입고정됨을 특징으로 하는 회전장치를 갖는 굴착기용 암.
- 제2항에 있어서,상기 구동수단은 상기 상부 암 고정플레이트(510)의 상면 일측에 고정되는 설치브래킷(575)과,상기 설치브래킷(575) 상에 회전가능토록 관통 설치되는 구동축(571)과,상기 구동축(571)과 연결되어 상기 구동축(571)을 구동시키는 구동모터(570) 및상기 구동축(571) 단부에 원추형 기어 타입으로 구비되는 구동기어(573)를 포함하여 이루어짐을 특징으로 하는 회전장치를 갖는 굴착기용 암.
- 제5항에 있어서,상기 연동수단은 상기 고정플레이트(511)의 상면 일측에 설치되어 상기 구동수단의 구동력에 의해 연동되되,상기 구동수단과 직교하여 배치되며, 상기 고정플레이트(511)의 상면 일측에 고정설치되는 설치브래킷(555)과,상기 설치브래킷(555) 상에 회전가능토록 양측이 지지고정되는 웜축(552)과,상기 웜축(552)의 중앙에 구비되는 웜(551)과,상기 웜축(552)의 일단으로부터 연장되어 상기 설치브래킷(555)으로부터 일정길이 돌출되는 연동축(553) 및상기 연동축(553) 단부에 원추형 기어 타입으로 구비되어 상기 구동기어(573)와 직교하여 맞물려 상기 구동축(571)의 구동력이 상기 연동축(553)으로 연동되도록 하는 연동기어(554)를 포함하여 이루어짐을 특징으로 하는 회전장치를 갖는 굴착기용 암.
- 제6항에 있어서,상기 연동회전수단은 상기 연동수단과 기어타입으로 연결되되, 상기 연동축(553)의 연동회전에 의해 상기 웜(551)과 맞물려 회전하는 웜휠(561)로 제공됨을 특징으로 하는 회전장치를 갖는 굴착기용 암.
- 제6항 또는 제7항에 있어서,상기 연동수단은 회전축(530)을 기준으로 상기 고정플레이트(511) 상면 일측과 타측에 상호 대향되어 한 쌍으로 고정설치되며,상기 구동수단도 상기 연동수단과 대응되어 상기 회전축(530)을 기준으로 상기 상부 암 고정플레이트(510) 상면 일측과 타측에 상호 대향되어 한 쌍으로 고정설치됨을 특징으로 하는 회전장치를 갖는 굴착기용 암.
- 제7항에 있어서,상기 웜휠(561)의 외면에 선택적으로 기어 타입으로 맞물림 고정되어 회전축(530)이 일정각도 회전하여 하부 암 고정플레이트(520) 하면에 상단부가 고정되는 하부 암(320)이 일정각도 회전된 상태에서 유동이 없이 회전된 상태를 유지하도록,상기 회전축(530) 일측의 상기 상부 암 고정플레이트(510) 상면 일측에 상기 웜휠(561)의 회전을 선택적으로 방지하는 회전방지유닛(580)이 설치고정됨을 특징으로 하는 회전장치를 갖는 굴착기용 암.
- 제9항에 있어서,상기 회전방지유닛(580)은 상기 상부 암 고정플레이트(510)의 상면 일측에 고정설치되는 설치브래킷(587)과,상기 설치브래킷(587)에 로드(583)가 수평방향으로 왕복가능토록 지지고정되는 스토퍼실린더(581) 및상기 스토퍼실린더(581)의 로드(583) 단부에 구비되어 상기 웜휠(561)의 외면과 선택적으로 맞물리는 스토퍼기어(585)로 구성됨을 특징으로 하는 회전장치를 갖는 굴착기용 암.
- 제1항에 있어서,상기 상부 암(310)을 기준으로 상기 회전장치(500)에 의해 상기 하부 암(320)이 선택적으로 일정각도 회전되어, 회전된 상태로 상기 버킷(700)을 상기 버킷 실린더(750)에 의해 작동되도록 하여 굴착작업이 이루어질 수 있도록,상기 하부 암(320)은 외측 상부 일면에 상기 버킷 실린더(750)의 상단부가 링크 연결되는 연결브래킷이 구비됨을 특징으로 하는 회전장치를 갖는 굴착기용 암.
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JP2016566923A JP6286069B2 (ja) | 2014-10-13 | 2015-05-11 | 回転装置を持つ掘削機用アーム |
US15/550,628 US20180038064A1 (en) | 2014-10-13 | 2015-05-11 | Excavator arm having rotation device |
CN201580067690.5A CN107429497A (zh) | 2014-10-13 | 2015-05-11 | 具有旋转装置的挖掘机用斗杆 |
EP15850563.6A EP3235957A4 (en) | 2014-10-13 | 2015-05-11 | Excavator arm having rotation device |
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KR101984477B1 (ko) * | 2017-04-26 | 2019-05-31 | 허유진 | 작업 기계용 회전링크 |
JP7030504B2 (ja) * | 2017-12-22 | 2022-03-07 | 株式会社クボタ | 作業機 |
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KR102590273B1 (ko) * | 2021-09-13 | 2023-10-17 | 정영규 | 굴삭기용 공구 클램핑장치 |
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- 2015-05-11 US US15/550,628 patent/US20180038064A1/en not_active Abandoned
- 2015-05-11 CN CN201580067690.5A patent/CN107429497A/zh active Pending
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Also Published As
Publication number | Publication date |
---|---|
CN107429497A (zh) | 2017-12-01 |
KR101644567B1 (ko) | 2016-08-02 |
EP3235957A1 (en) | 2017-10-25 |
JP6286069B2 (ja) | 2018-02-28 |
JP2017515023A (ja) | 2017-06-08 |
KR20160043458A (ko) | 2016-04-21 |
EP3235957A4 (en) | 2018-10-17 |
US20180038064A1 (en) | 2018-02-08 |
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