WO2006008892A1 - フロント装置 - Google Patents
フロント装置 Download PDFInfo
- Publication number
- WO2006008892A1 WO2006008892A1 PCT/JP2005/010755 JP2005010755W WO2006008892A1 WO 2006008892 A1 WO2006008892 A1 WO 2006008892A1 JP 2005010755 W JP2005010755 W JP 2005010755W WO 2006008892 A1 WO2006008892 A1 WO 2006008892A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- web
- flange
- bent plate
- bent
- plate portion
- Prior art date
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 140
- 238000003466 welding Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 abstract description 15
- 229910000831 Steel Inorganic materials 0.000 description 25
- 239000010959 steel Substances 0.000 description 25
- 230000002093 peripheral effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000005452 bending Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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
- E02F3/30—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
- E02F3/307—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 the boom and the dipper-arm being connected so as to permit relative movement in more than one plane
-
- 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
- E02F3/30—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
- E02F3/301—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 more than two arms (boom included), e.g. two-part boom with additional dipper-arm
Definitions
- the present invention relates to a front device that is mounted on a construction machine such as a hydraulic shovel or a hydraulic crane and is suitably used as a boom or an arm of a working device,
- Construction documents such as hydraulic excavators, hydraulic cleansers, etc.
- the machine is provided with a working device for excavating work, lifting work and the like so as to be able to move up and down.
- a working device such as a shishi
- a device equipped with a fringing device such as a boom and an arm such as a working device of a hydraulic excavator (for example, Japanese Patent Application Laid-Open No. 2000-091- 8 1 8 1 0).
- a boom of a hydraulic excavator is taken as an example. This boom is obtained by welding the upper flange, the lower flange, the left web, and the right web.
- a box body formed as a box-shaped hollow structure, and a boss provided on the base end side of the box body and connected to the vehicle body side of the hydraulic excavator so as to be able to move up and down. Yes.
- the boss is made of a cylindrical metal material having a high strength
- the outer peripheral surface has an upper flange, a lower flange, an end of the left web and the right web on the outer peripheral surface. Is welded.
- a bracket is provided on the front end side of the box body so that the arm of the working device is rotatably connected. ing
- the upper flange, lower flange, left web, right web, etc. of the box body are formed of thick steel plates, etc.
- a closing plate is provided in the inside of the box in the middle in the longitudinal direction (see, for example, Japanese Patent Laid-Open No. 5-3-3 1 5 3 1 9). ).
- a U-bub is provided in the middle of the left web of the boom in the length direction.
- the upper flange, the lower flange, the left web, the right web, etc. of the box body are formed of a thick steel plate, etc., and a blocking plate is provided in the inside. It is configured.
- a thick steel plate or the like when used, the weight of the boom increases and this is driven. There is a problem that it causes an increase in size and a decrease in operating efficiency.
- the present invention has been made in view of the above-described problems of the prior art, and an object of the present invention is to easily increase the strength of the box body in the vicinity of the post while suppressing the weight of the box body. Provide front devices that can improve durability.
- the present invention provides a box body formed by welding the upper flange, the lower flange, the left web, and the right web, and the box body.
- the present invention is applied to a front apparatus provided with at least one of the end portions of the upper flange, the lower flange, the left web, and the post welded to the right web.
- a feature of the configuration employed by the present invention is that at least one of the left web and the right web is provided with a bent plate portion bent inward, and the outer web is provided with a web on the outer side of the bent plate portion.
- a reinforcing plate is provided between the boss and the boss.
- One of the X and right webs, or the left and right webs, can be provided with a bent plate at the end welded to the boss, outside the bent plate. Can be provided with a reinforcing plate. Therefore, the part to be welded to the post of the box body is divided into the bent plate and the reinforcing plate. In addition, since the structure can be double, the strength of the part can be increased and, for example, high rigidity can be secured against external force in the torsional direction.
- the boss is formed as a metal cylinder having high strength.
- the upper flange, lower flange, left web, right web, etc., which make up the box body are made of steel plates. Welding two members with different strengths, such as lower strength than the boss.
- the part is preferably formed with high strength. Therefore, by arranging the bent plate portion and the reinforcing plate on the side of the box body, it is possible to reliably protect the welded portion of the two members having increased strength.
- the reinforcing plate is disposed outside the bent plate portion, for example, a portion of the left web and the right web other than the bent plate portion and the reinforcing plate may be continuously arranged on substantially the same vertical plane. Get it right. For this reason, the reinforcing plate is large outward from the box body.
- the necessary part of the box body can be reinforced by the bent plate and the reinforcing plate, so the upper flange, the lower flange, the left web, the right web, etc.
- the overall size can be kept small. Small type • A lightweight and highly durable front device can be realized.
- At least one of the upper flange and the lower flange is bent inwardly.
- a curved plate is provided, and a reinforcing plate is provided between the one flange and the post on the outside of the bent plate, so that the upper flange of the box body is provided.
- a bending plate can be provided on one of the flanges on the upper and lower flanges, or on the flanges on both the upper and lower sides, so that a reinforcing plate can be installed.
- the strength of the box body can be increased at the part where it can be removed, and the reinforcing plate does not protrude from the box body to the outside, making the front device compact. Therefore, in the vicinity of the boss, while ensuring high strength that cannot be achieved by ribs or blocking plates, etc., keep the pod village as a whole small. Small size • Light weight and high strength front equipment can be realized.
- one of the left web and the right web ⁇ one of the webs is provided with one bent plate portion bent inward, and one of the upper flange and the lower flange. At least one flange is provided with another bent plate part bent inward, and one reinforcing plate is provided between one web and post outside the one bent plate part.
- the other reinforcement plate has a configuration in which another reinforcing plate is provided between one flange and the boss on the outer side of the other bent plate portion.
- a reinforcing plate can be provided by providing a bent plate portion on the upper flange or the lower flange of the box body, and a reinforcing plate can be provided by providing a bent plate portion on the left web or the right web. Because it can, it can have the two effects described above. Further, for example, a bent plate portion can be provided on each of the upper flange, the lower flange, the left web, and the right web, and a reinforcing plate can be provided on the outer side of each bent plate portion.
- the pox body can be formed in a double box shape near the post, and the strength of the front device should be sufficiently increased at this location. Can do.
- the box body is connected to the body of the construction machine so as to be able to move up and down, and connected to the front end side of the mouth boom so as to swing left and right.
- a bent plate or a reinforcing plate may be provided to a fan ⁇ device such as a mouth abm, upper boom, or arm that constitutes an off-site type work device. Therefore, it is possible to increase the strength of these fan ⁇ equipment as necessary, and to expand the scope of application.
- the box body is connected to the body of the construction machine so as to be able to move up and down, and to the front end side of the boom, the work tool is attached. It is possible to constitute at least one member of the received rubber
- FIG. 1 is a front view showing an offset boom type hydraulic excavator applied to the embodiment of the present invention.
- FIG. 2 is a front view showing the working device in FIG.
- FIG. 3 is a front view showing the upper pub body according to the first embodiment of the present invention alone.
- Fig. 4 is a longitudinal sectional view of the upper boom viewed from the direction of arrows I V – I V in Fig. 3.
- Fig. 5 is a vertical cross-sectional view of the upper pub- lic as seen from the direction of arrows V–V in Fig. 4.
- FIG. 6 is an exploded perspective view showing the upper boom in an exploded state.
- FIG. 7 is an enlarged cross-sectional view of the main part in FIG. 4 showing the enlarged base end side of the upper boom.
- Fig. 8 is a cross-sectional view of the upper end of the upper boom, as enlarged from the direction of arrows V I 1 1-V I I I in Fig. 7.
- Fig. 9 is a cross-sectional view of the upper pub in the comparative example as seen from the same position as in Fig. 8.
- FIG. 10 is a longitudinal sectional view of the upper pub according to the second embodiment of the present invention as seen from the same position as in FIG.
- FIG. 11 is a plan view of an upper pub according to a third embodiment of the present invention as seen from above.
- Fig. 12 is a vertical cross-sectional view of the upper pub- lic as seen from the direction of arrows XII-XIII in Fig.11.
- FIG. 13 is an exploded perspective view showing the upper pub in an exploded state.
- FIG. 14 is a front view showing an appa- pup according to the fourth embodiment of the present invention.
- Fig. 15 shows the top pub- ume in the direction of arrows XV—XV in Fig. 14 It is the longitudinal cross-sectional view seen.
- Fig. 16 is a longitudinal sectional view of the top view from the direction of arrows XV I--XV I in Fig. 15.
- Fig. 17 is a vertical cross-sectional view of the top pub- lic, enlarged from the direction of arrows XV I I-XV I I in Fig. 16
- Fig. 18 is an exploded perspective view showing the upper pub in an exploded state.
- FIG. 19 is a perspective view showing a moutharm according to a fifth embodiment of the present invention.
- FIG. 20 is a perspective view showing an alarm according to the sixth embodiment of the present invention.
- FIG. 21 is a front view showing the working device of the hydraulic excavator applied to the seventh embodiment of the present invention.
- FIG. 22 is a perspective view showing a boom according to the seventh embodiment of the present invention.
- an offset hydraulic excavator will be described as a construction machine to which the opening device of the embodiment of the present invention is applied.
- reference numeral 1 denotes an off-bottom hydraulic excavator applied to the first embodiment.
- the hydraulic level 1 includes a self-propelled lower traveling body 2 and a lower traveling body 2.
- An upper swing body 3 that is pivotably mounted on the upper swing body, and the upper swing body
- the lower traveling body 2 and the upper revolving body 3 are hydraulic excavators. 1 body.
- Reference numeral 4 denotes an offset boom type working device, and the working device 4 is provided on the upper swing body 3 so as to be able to move up and down.
- the working device 4 has a mouth end 4A whose base end is connected to the upper swing body 3 so as to be able to be lifted and lowered, and a front end of the lower boom 4A.
- An upper 4 B swingably connected in the left and right directions, and an arm support 4 C swingably connected in the left and right directions on the tip side of the upper boom 4 B
- An arm 4D rotatably connected to the tip side of the arm support 4C, and a bucket as a working tool rotatably attached to the tip side of the arm 4D.
- 4E cylinders 4F, 4G, 4H, 4J and a link 4K.
- the boom cylinder 4 F is provided between the upper swing body 3 and the mouth ab 4 A, and moves the lower boom 4 A up and down.
- the offset cylinder 4G is provided between the lower boom 4A and the upper boom 4B, and swings the upper pub 4B left and right.
- the armor cylinder 4H is provided between the arm support 4C and the arm 4D, and rotates the arm 4D upward and downward.
- the bucket cylinder 4 J is provided between the drum 4 D and the bucket 4 E, and the bucket 4
- the link 4K is provided between the lower arm 4A and the arm support 4C, and is parallel to the mouth boom 4A, upper boom 4B, and arm support 4C.
- the link mechanism is configured. And when the off-set cylinder 4G expands / contracts, its expansion / contraction action:
- the arm support 4 C is swung by the link 4 K in the opposite direction of the left and right directions of the upper boom 4 ⁇ .
- the arm 4 D and the packet 4 ⁇ are moved (offset) to the left or right side of the vehicle body while maintaining a state parallel to the lower boom 4 ⁇ .
- the excavator 1 can perform excavation work such as side digging at this offset position by the movement of the parallel link mechanism
- FIGS. 3 to 8 taking an up boom of an offset boom type hydraulic shovel as an example.
- reference numeral 11 denotes an upper boom as a front dredge device, and the upper boom 11 is used as an upper boom 4B of the offset boom type working device 4 shown in FIGS.
- the upper tube 11 is formed, for example, as an elongated hollow structure having a box-shaped (square) cross-sectional shape, and extends in the front and rear directions of the vehicle body.
- the upper boom 11 is composed of a box body 1 2, a post 1 8 1 9, a reinforcing plate 2 0 2 1, etc., which will be described later.
- the box body 12 is a box body constituting the main body part of the upper boom 1 1, and the box body 1 2 is an upper flange 1 3 and a lower flange 1 which will be described later as shown in FIG. 3 or 7 in FIG. 4 Consists of left web 1 5, right web 1 6, etc.
- the box body 12 is formed into a rectangular tube shape extending in the front and rear directions as a whole by contacting (welding) these steel plates.
- the upper flange 1 3 is an upper flange constituting the upper surface of the box body 1 2, and the upper flange 1 3 is formed by, for example, a flat steel plate or the like. Is formed. Further, for example, two metal plates 13 A that reinforce the space between both ends and the bosses 18 and 19 are welded to the upper surface of the upper flange 13.
- the lower fann 14 is formed of a steel plate or the like that is substantially the same as the upper flange 1 3. Opposite the flange 1 3 with an upward and downward spacing o, lower flange 1
- Bracket ⁇ 1 4 A is fixed to the left end face of 4.
- An offset cylinder 4 G (see Fig. 2) is pivotably mounted between the bracket 14 A and the bracket ⁇ 15 D of the left web 15 described later.
- the left side X b 1 5 is made almost vertical between the upper flange 1 3 and the lower flange 1 4, and at the full length between the upper flange 1 3 and the lower flange 1 4.
- the left plate X 1 5 is a left reinforcing plate 2 0 and a side plate 1 5 constituting the left side of the upper 1 1
- the side plate portion 15 A that is constructed is arranged in the middle portion of the pod body 12 and extends along the length direction thereof. Further, a bracket 15 D for the offset cylinder 4 G is fixed to the outside of the side plate portion 15 A.
- the two bent plate portions 15 B 15 C are respectively arranged inside the left reinforcing plates 20, and the box body 1 2 While extending in the length direction, it bends inward (tilt inward) toward the right web 16, and the upper flange 1 3 and the lower flange 1
- bent plate part 15 B on the base end side has 3 sides on the upper flange 1 3 lower flange
- the right screw X 1 6 is welded over the entire length between the upper flange 1 3 and the lower flange 1 4.
- the right web 16 is a bend formed integrally with the side plate 16 A that forms the right side of the boom 11 1 and the base end of the side plate 16 A together with the right reinforcing plate 2 1 described later.
- the plate portion 16 B and the other bent plate portion 16 C formed on the distal end side of the side plate portion 16 A are configured.
- bent plate portions 16 B 16 C extend in the length direction of the box body 1 2 inside each right reinforcing plate 21.
- the bent plate portion 16 B on the base end side is welded to the upper flange 1 3, the lower flange 14, and the base m side post 18 on the three sides.
- the bent plate portion 15 C on the tip side is welded to the upper flange 13, the lower flange 14, and the tip side post 19 on the three sides.
- the left X X 15 and the right X X 16 are opposed to each other with an interval in the left and right directions, and the side m pole parts 15 A and 16 A are connected for reinforcement.
- Plate 1 7 is welded.
- the boss 18 is formed of, for example, a cylindrical metal material.
- the end side of the upper flange 1 3 and the lower flange 14, and the bent plate portions 1 5 8 1 6 B of the left and right webs 1 5 1 6 B The end side and a reinforcing plate 2 0 2 1 described later are welded to each other.
- Reference numeral 19 denotes a front end boss provided on the front end side of the box body 12.
- the front end boss 19 is also formed of, for example, a cylindrical metal material.
- the bent plate portion 1 of the upper flange 1 3, the lower flange 14, the left and right webs 15, 16 is almost the same as the base end boss 18. 5 C 1 6 C and reinforcing plate 2 0 2 1 are welded.
- the upper pub 1 1 is connected to the lower boss 4 A (see FIG. 2) so that the proximal boss 1 8 can swing left and right using a connecting pin, etc., and the distal boss 1 9 is connected to the arm support 4 C using other connecting pins, etc., so that it can swing left and right.
- left reinforcing plates 20 and 20 are two left reinforcing plates, and each of these left reinforcing plates 20 is provided on the outer side of the bent plate portion 15 5 15 C of the left web 15.
- These left reinforcing plates 20 are made of, for example, a rectangular flat steel plate or the like as shown in FIGS. 3 and 4, and the bent plate portion 1 of the left web 15.
- the left reinforcing plate 20 cooperates with the right reinforcing plate 2 1 described later, and then the boss 1 after the box body 1 2.
- the parts on the end side where 8 and 19 are welded have a single structure, and these parts are reinforced.
- the left reinforcing plate 20 located on the base end side of the box body 12 of each left reinforcing plate 20 is connected to the bent plate portion 15 5 ⁇ and the base plate.
- the end bosses 1 8 it is the upper flange
- the left reinforcing plate 20 is arranged on the same vertical plane as the side plate portion 15 A of the left web 15, for example. As a result, the left reinforcing plate 20 is attached to the box body 1
- the upper boom 1 1 can be formed into a compact ⁇ because it does not protrude greatly from 2 to the outside.
- each right reinforcing plate 2 1 is provided outside the bent plate portion 1 6 B 16 C of the right web 16.
- These right reinforcement plates 2 1 are shown in Fig. 4 or 8 as shown in ⁇ Left reinforcement plate 2
- a bent plate portion of the right web 16 made of a rectangular steel plate or the like is extended in the length direction in a state of being overlapped with the outside of the bent plate 1 6 B 16 C
- the right-side reinforcing plate 21 on the base end side is welded between the bent plate portion 16 B and the base end-side boss 18, and between the upper flange 13 and the lower flange 14.
- the reinforcing plate 2 1 on the front end side is also welded to the upper flange 1 3, the lower flange 1 4, the bent plate portion 16 C and the front boss 19 respectively.
- 1 6 B and complement The strong plates 20 and 2 1 can form a box-shaped cross-section with double left and right sides.
- a double cross-sectional structure may be formed on the front end side of the pod body 12 by the bent plate portions 15 C and 16 C, the reinforcing plates 20 and 21, and the like. it can . Therefore, both ends of the box body 12 can be reinforced by such a double structure, and the box body 12 and the bosses 18 and 19 can be firmly welded.
- the pod body 12 is formed with an upper and lower dimension H, and the upper flange 1 3 and the lower flange 14 are separated by a dimension h.
- the upper flange 13 and the lower flange 14 have left and right widths W, and the dimensions from the reinforcing plates 20 and 21 (A
- bent plates 1 5 B 1 6 B of the right webs 15 and 16 have a left and right spacing dimension d at a specific position.
- outer side of these bent plate portions 15 B and 16 B is provided with a gap of a size (B / 2) with a reinforcing plate 20,
- the cross-sectional secondary moment I of the box body 12 can be expressed as the following equation (1) using the dimensions H, h, A, B, d, and W.
- the upper boom of the prior art is If the same thickness is formed from steel plates, for example,
- the spacing dimension D included in Eq. (2) is also the bent plate part 15 B
- the secondary secondary section ⁇ I of the pod body 12 according to the first embodiment is the cross section of the pod body 101 according to the comparative example.
- the section modulus of the upper chamber 1 1 can be increased, so that the upper chamber 1 Just as the strength of 1 can be increased at the proximal end, the strength of the upper boom 1 1 can also be increased at the distal end.
- the bent web portion 15 B 15 C is provided on the left web 15 of the upper bag 11, and the left reinforcing plate 20 is provided outside thereof. 1 J ⁇ , right web 16 is provided with bent plate portions 16 B and 16 C, and right reinforcing plate 21 is provided outside the bent plate portions 16 B and 16 C.
- the portion welded to the post 1 8 1 9 of the pod body 1 2 has a double structure, so that the strength of these portions is reliably increased. For example, high rigidity can be secured against external forces in the torsional direction.
- the bosses 18 and 19 are formed as high strength metal cylinders, while the upper flange 13, the lower flange 1, the left web 15, the right web 16, etc.
- the pos 1
- the bent plate 1 on the side of the box body 1 2 is formed of a steel plate or the like having a lower strength than those of 8 and 19, it is preferable to form the welded parts of the two members having different strengths with high strength. According to the above, the bent plate 1 on the side of the box body 1 2
- bent plate portions 15 B, 15 C and the left reinforcing plate 20 are arranged on the left web 15, and
- the left and right sides are doubled on both sides of the upper tube 11.
- the left reinforcing plate 2 0 is attached to the bent plate portion 1 5 of the left web 15
- a 1 6 A and the reinforcing plate 2 0 2 1 can be continuously arranged on substantially the same vertical plane. For this reason, the reinforcing plate 20 2 1 is larger in the left and right directions from the box body 1 2.
- one of the necessary parts of the box body 1 2 is provided with bent plate portions 15 B 15 C, 16 B 16 C and the reinforcing plate 202.
- the left web 1 5, right web 1 6, etc. can be formed to the minimum necessary thickness.
- the weight of the pod body 1 2 can be kept small as a whole, while ensuring high strength that cannot be achieved by ribbed closure plates, etc.
- the upper boom 1 1 is lightweight and highly durable.
- bent plates 1 5 1 6 of the left and right webs 1 5 1 6 are bent plates 1 5 1 6 of the left and right webs 1 5 1 6
- FIG. 10 shows a second example of the CFC dredging device according to the present invention.
- the feature of this embodiment is that the bent plate portion is inserted only in one of the left web and the right web, and the reinforcing plate is arranged on the outside.
- ⁇ sd is the first embodiment and 1 j is given the same reference numeral, and the description thereof is omitted.
- the upper boom 3 1 shows the upper boom as a front device, and the upper boom 3 1 has an upper flange (not shown), a lower flange 1 4 and a left web 1 in the same manner as in the first embodiment.
- the right web 3 2 is formed of, for example, a flat steel plate having no bent plate portion. Meanwhile, left web 1
- the hot spring boom 3 1 omits the bent plate portion and the reinforcing plate on the right side, and the bent plate portion 1 5 B 1 only on the left side.
- the second embodiment configured as described above can achieve substantially the same effect as the first embodiment described in m. And especially in this embodiment,
- FIG. 11 and FIG. 13 show a third embodiment of the fan hook device according to the present invention.
- the feature of this embodiment is that the upper boom and the lower flank are bent plates on the upper boom.
- the same components as those in the first embodiment are denoted by the same reference numerals, and the explanation is omitted. It shall be omitted.
- 4 1 is the upper boom as a fan
- the V pub 4 1 is almost the same as the first embodiment.
- the upper flange 4 3, the lower flange 4 4, the left web 4 5, the right web 46 and the like are welded to form a square tube as a whole.
- Reference numeral 4 3 denotes an upper flange constituting the upper surface of the box body 4 2, and the upper flange 4 3 is formed of a steel plate or the like bent at both ends.
- the upper flange 4 3, together with the upper reinforcing plate 4 9, is an upper surface plate portion 4 3 A constituting the upper surface of the upper boom 4 1, and a bent plate integrally formed on the base end side of the upper surface plate portion 4 3 A
- the portion 4 3 B and the other bent plate portion 4 3 C integrally formed on the front end side of the upper surface plate portion 4 3 A are configured.
- the bent plate portion 4 3 B 4 3 C of the upper flange 4 3 extends in the length direction of the box body 4 2 while the lower flange 4 3. It bends diagonally inward toward the 4 4 4 and is located between the left web 4 5 and the right web 4 6. Also, the bent plate portion 4 3 B on the proximal end side of the bent plate portion 4 3 B 4 3 C is welded to the left and right webs 4 5 4 6 and the proximal end boss 4 7, Bent plate 4 3 C has left and right web 4
- the lower flange 4 4 is a lower flange constituting the lower surface of the box body 4 2, and the lower flange 4 4 is formed of a steel electrode or the like bent at both ends.
- the lower flange 4 4 includes a lower plate 4 4 A that forms the lower surface of the upper pub 4 1 together with a lower reinforcing plate 50 described later, and a body on the base end side of the lower plate 4 4 A.
- the formed bent plate portion 4 4 B and the bent plate portion 44 C formed on the tip m side of the lower surface plate portion 4 4 A are constituted by o.
- the proximal end bent plate 4 4 B is welded to the left and right webs 4 5 4 6 and the proximal end boss 4 7, and the distal bent plate 4 4 C is connected to the left and right Web 4 5,
- 4 5 is the left web 4 that forms the left side of the box body 4 2
- left and right webs 4 5 4 6 are formed of, for example, a flat steel plate and are welded to the upper flange 4 3, the lower flange 4 4, and the post 4 7 4 8. Also, left
- Reference numeral 47 denotes a base end side boss
- reference numeral 48 denotes a front end side boss.
- These posts 4 7 4 8 are configured in substantially the same manner as in the first embodiment.
- the bent plate portion 4 3 B of the upper flange 4 3, the bent plate portion 4 4 B of the lower flange 4 4, the left web 4 5, and the right web are provided on the outer peripheral surface of the base end boss 47. 4 6 and reinforcement plate 4 9 5 0 is welded.
- the bent plate portion 4 3 C of the upper flange 4 3, the bent plate portion 4 4 C of the lower flange 4 4, the left web 4 5, the right web 4 6 and Reinforcing plates 4 9 5 0 are welded.
- Reference numerals 4 9 and 4 9 denote, for example, two upper reinforcing plates provided outside the bent plate portions 4 3 B and 4 3 C of the upper flange 4 3, respectively. These upper reinforcing plates 4 9 cooperate with the lower reinforcing plate 50 described later in substantially the same manner as the left reinforcing plate 20 of the first embodiment, so that the box body 42 In other words, the parts on the end side where the posts 47 and 48 are welded have a double structure, and these parts are reinforced.
- the upper reinforcing plate 4 9 located on the base end side of the box body 4 2 of each upper reinforcing plate 4 9 is the bent plate portion 4 3 B of the upper flange 4 3, the left and right
- the welds are welded to the webs 4 5, 4 6 and the proximal end post 4 7, respectively.
- the upper reinforcing plate 4 9 located on the distal end side of 4 2 is the bent plate portion of the upper flange 4 3 in substantially the same manner as the upper reinforcing plate 4 9 on the proximal end side.
- the upper reinforcing plate 4 9 is, for example, substantially the same as the upper plate portion 4 3 A of the upper flange 4 3 so as not to protrude greatly upward and downward from the pod body 4 2. It is continuously arranged on a plane.
- the base lower reinforcing plate 50 is welded to the bent plate portion 4 4 B left and right webs 4 5 4 6 and the base end side post 4 7, and the front end lower prosthetic base plate 5 0 is welded to the bent plate portion 4 4 C, the left and right webs 4 5 and 4 6, and the tip side boss 4 8.
- the third embodiment configured as described above has substantially the same effect as the first embodiment.
- the upper reinforcing plate 4 9 is installed, and the bent plate part is attached to the lower flange 4 4.
- bent plate portion 4 3 B of the upper flange 4 3, the bent plate portion 4 4 B of the lower flange 4 4, and the left and right webs are disposed on the base end side of the box body 4 2.
- the strength of the box body 4 2 can be increased in the vicinity of the bosses 4 7 and 4 8.
- the upper surface and the lower surface can have a double structure, which increases the degree of design freedom. it can.
- FIG. 14 to FIG. 18 show a fourth embodiment of the CFC device according to the present invention.
- this implementation shows a fourth embodiment of the CFC device according to the present invention.
- the upper flange, the lower flannel, the left web and the right web of the upper boom are provided with bent plate portions and the reinforcing plates are arranged on the outer sides thereof.
- the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
- the upper boom 5 1 shows the upper boom as a CFC dredging device. As shown in FIGS. 14 to 16, the upper cap 5 1 has an upper flange 5 3, a lower flange 5 4, a left
- Box body 5 2 formed as a box-shaped hollow structure JQ body by X-b 5 5, right web 5 6, etc., and the box body 5
- upper flange 5 3 lower flange 5 4, left web
- the 5 5 and the right web 5 6 are each formed of a steel plate or the like having both ends bent.
- the upper flange 5 3 is composed of the upper surface plate portion 5 3 A and the bent plate portions 5 3 B and 5 3 C in substantially the same manner as in the third embodiment
- the left web 55 is composed of a side plate portion 55A and bent plate portions 55B, 55C, and the right web 56 is substantially the same as in the first embodiment.
- the side plate part 5 6 A and the bent plate parts 5 6 B and 5 6 C are composed of O.
- the lower flange 5 4 and the left web 5 5 are provided with an offset cylinder bracket 5 4. D and 55 D are fixed respectively.
- the box body 52 is formed into a rectangular tube shape by an upper surface plate portion 5 3 A, a lower surface plate portion 5 4 A, a left side surface plate portion 5 5 A, and a right side surface plate portion 5 6 A in which the middle portion in the length direction forms four sides.
- bent plate portion 5 3 B 5 4 B, 5 5 B 5 6 B is welded to the proximal end boss 5 7, and the bent plate portion 5 3
- 5 9 5 9 is the bent part of the upper flange 5 3 5 3 B, 5
- 60 60 is a lower reinforcing plate provided outside the bent plates 5 4 B and 54 C of the lower flange 54, and the lower reinforcing plate 60 on the base end side is an upper reinforcing plate. Similar to the plate 5 9, it is welded between the bent plate portion 5 4 B and the proximal boss 5 7, and the lower reinforcing plate 6 0 on the distal end is bent to the bent plate portion 5 4 C and the distal boss 5 8 It is welded between.
- 6 1 and 6 1 are, for example, two left reinforcing plates provided on the outside of the bent plate portions 55 B and 55 C of the left web 55, respectively, and 6 2 and 6 2 are right webs 5 6
- the right reinforcing plates provided on the outer sides of the bent plate portions 5 6 B and 5 6 C are shown.
- the left reinforcing plate 6 1 and the right reinforcing plate 6 2 are configured in substantially the same manner as in the first embodiment.
- the upper reinforcing plate 5 9, the lower reinforcing plate 60, the left reinforcing plate 6 1, and the right reinforcing plate 6 2 located on the base end side of the upper boom 51 are shown in FIG.
- the bent plate portions 53B, 54B, 55B, 56B are welded in a box shape at positions surrounding the bent plate portions 53B, 54B, 55B, 56B, and the bent plate portions 53B56B Proximal boss in the state that the cylindrical body is configured 5 7 is welded.
- the upper reinforcing plate 59, the lower reinforcing plate 60, the left reinforcing plate 61 and the right reinforcing plate 6 2 on the front end side are bent plate portions 5 3 C, 5 4 almost in the same manner as the reinforcing plate on the base end side.
- C, 55 C, 5 6 C are welded to each other at a position surrounding them, and a double cylindrical body is formed together with these bent plate portions 53 C to 56 C to the front end side post 58. Welded.
- the upper reinforcing plate 59 and the lower reinforcing plate 60 are substantially flush with the upper plate 5 3 A of the upper flange 5 3 and the lower plate 5 4 A of the lower flange 5 4, respectively.
- the left reinforcing plate 6 1 and the right reinforcing plate 6 2 are continuous on the same vertical plane as the side plate portion 55 A of the left web 55 and the side plate portion 56 A of the right web 56.
- the fourth embodiment configured as described above, it is possible to obtain substantially the same operation and effect as in the first and third embodiments.
- bent plate portions 5 3 B, 5 4 B, 5 5 B, 5 6 B are provided on the base end side of the upper pub 51, and reinforcing plates 59, 6 0, 6 1 and 6 2 are provided.
- bent plate portions 53 C to 56 C are provided on the front end side of upper boom 51, and other reinforcing plates 59 to 62 are provided outside the bent plate portions 53 C to 56 C.
- the bent plate portions 53B to 56B on the four sides can be welded in a box shape, and the reinforcing plates 59 on the four sides are positioned so as to surround them from the outside. 6 2 can be welded into a box shape. Also, the bent plate portions 5 3 C to 5 6 C on the four sides and the other reinforcing plates 59 to 62 can be welded in a box shape on the front end side of the box body 52. Therefore, both ends of the upper pub 5 1 can be formed in a double box shape, and the upper boom 5 1 Can be sufficiently increased in strength.
- FIG. 19 shows a fifth embodiment of the front apparatus according to the present invention, and the feature of this embodiment is that it is applied to the lower boom of an offset boom type work apparatus.
- Reference numeral 7 1 denotes a lower boom as a front device, and the lower boom 7 1 is used as a lower boom 4 A (see FIGS. 1 and 2) of the offset boom type working device 4.
- the lower boom 71 has, for example, a box-shaped cross-sectional shape, is formed as an elongated hollow structure having a curved front end side, and extends in the front and rear directions of the vehicle body.
- the lower boom 7 1 is composed of a box body 7 2, a vehicle body side boss 7 7, reinforcing plates 7 8, 7 9 and the like which will be described later.
- the box body 7 2 is a box body constituting the main body part of the lower boom 7 1, and the box body 7 2 is similar to the first embodiment in that an upper flange 7 3, a lower flange 7 4, By welding the web 75, the right web 76, etc., the whole is formed in a rectangular tube shape.
- the upper flange 7 3 is an upper flange that constitutes the upper surface of the box body 7 2, and the upper flange 7 3 includes an upper surface plate portion 7 3 A having a curved front end side and the upper surface plate in substantially the same manner as in the third embodiment. And a bent plate portion 7 3 B integrally formed on the base end side of the portion 7 3 A. Also, the bracket 7 3 C is fixed to the tip of the upper flange 7 3, and between this bracket 7 3 C and the bracket 7 4 C of the lower flange 7 4 described later. The upper boom 4 B (see Fig. 2) of the work device 4 is connected.
- the 7 4 is a lower flange constituting the lower surface of the box body 7 2, and the lower flange 7 4 is formed by the lower plate portion 7 4 A, the bent plate portion 7 4 B, etc., almost the same as the upper flange 7 3.
- the lower flange 7 4 is opposed to the upper flange 7 3 with an interval in the upper and lower directions, and a bracket 7 4 C is provided on the tip side thereof.
- the left web 7 5 is a left web constituting the left side surface of the box body 7 2, and the left web 7 5 is erected vertically between the upper flange 7 3 and the lower flange 7 4. They are welded over almost the entire length.
- a plurality of brackets 75 A for attaching the offset cylinder 4 G, the link 4 K (see FIG. 2), etc., of the working device 4 are projected from the front end side of the left web 75. .
- the left web 7 5 is opposed to the left web 7 5 with an interval in the upper and lower directions, and the upper flange 7 3 and the lower flange are opposed to each other. Welded over almost the entire length.
- the upper reinforcing plate 7 8 is an upper reinforcing plate provided on the outer side of the bent plate portion 7 3 ⁇ of the upper flange 7 3, and the upper reinforcing plate 7 8 is a bent plate portion 7.
- FIG. 20 shows a sixth embodiment of the front apparatus according to the present invention, and the feature of this embodiment is that it is applied to a working apparatus alarm.
- 8 1 indicates an arm as a front device.
- 8 1 is for example the arm of the offset boom type working device 4
- the arm 8 1 is formed as an elongated hollow structure having, for example, a box-shaped cross-sectional shape.
- the rigid body 8 2 is a box body constituting the main body portion of the arm 8 1, and the rigid body 8 2 has an upper flange 8 3, a lower flange 8 4, a left web 8, which will be described later, in substantially the same manner as the first embodiment. 5
- the right web 8 6 etc. it is formed into a square tube as a whole.
- the upper flange 8 3 is an upper flange that constitutes the upper surface of the box body 8 2, and the upper flange 8 3 is made of, for example, a flat steel plate, and an end face plate that constitutes a part of the upper flange 8 3 on its base side.
- brackets 8 3 A is provided, and a pair of brackets 8 3 B are welded to the end face plate 8 3 A. These brackets 8 3 B have an arm cylinder 4 H that rotates the arm 8 1.
- the lower flange 8 4 is a lower flange constituting the lower surface of the box body 8 2.
- the lower flange 8 4 is formed of, for example, a flat steel plate or the like. It is.
- the lower flange 8 4 is composed of a lower surface plate portion 8 4 A and a bent plate portion 8 4 B that is integrally formed on the base end side of the lower surface plate portion 8 4 A and bent inward. .
- 8 5 is a left web constituting the left side surface of the box body 8 2
- 8 6 is a right web constituting the right side surface of the box body 8 2.
- These left and right webs 8 5 and 8 6 are erected between the upper flange 8 3 and the lower flange 8 4 with a left and right spacing, and between them, almost the entire length is provided. It is welded. Further, the base end sides of the left and right webs 85 and 8 6 are welded to the end face plate 8 3 A of the upper flange 8 3.
- the boom-side boss 8 7 is a boom-side boss provided on the base end side of the box body 8 2, and the boom-side boss 8 7 is connected to the arm support 4 C (see FIG. 2) of the work device 4 so as to be rotatable. It is a part.
- the upper flange 8 3 end plate 8 3 A
- the bent plate portion 8 4 B of the lower flange 8 4 the left web 8 5, the right web 8 6 and
- the lower reinforcement plates 8 9 are welded to each other.
- the packet side boss 8 8 is a bucket side boss provided on the tip side of the box body 8 2, and the packet side boss 8 8 is a pin that allows the packet 4 E (see FIG. 2) of the working device 4 to be rotated. This is the site to be bound.
- An upper flange 8 3, a lower flange 8 4, a left web 85 and a right web 86 are welded to the outer peripheral surface of the baggage boss 88.
- the lower reinforcing plate 8 9 is a lower reinforcing plate provided on the outer side of the bent plate portion 8 4 B of the lower flange 84, and the lower reinforcing plate 8 9 is substantially the same as in the third embodiment. It is welded between 8 4 B and the boom-side boss 8 7 and also welded to the left and right webs 85 and 86.
- the present embodiment can also be applied to the arm 8 1 of the work device, and the application target can be expanded.
- FIGS. 21 and 22 show a seventh embodiment of the front apparatus according to the present invention.
- the feature of the present embodiment is that the working device is applied to a standard hydraulic excavator arranged so as to move up and down with respect to the vehicle body.
- the working device 90 is a working device provided on a hydraulic excavator body (not shown) so as to be able to move up and down.
- the working device 90 includes a boom 90 A whose base end is connected to the vehicle body so as to be able to move up and down,
- the arm 90 B connected to the front end of the boom 90 A and the bucket 90 C as a work connected to the front end of the arm 90 B so as to be rotatable.
- Reference numeral 9 1 denotes a boom as a front device, and the boom 9 1 is used as a boom 9 O A of the work device 90.
- the boom 9 1 is formed, for example, as an elongated hollow structure having a box-shaped cross-sectional shape and curved in a mountain shape.
- the body side post 9 7 and the reinforcing plates 9 8, 9 9 and the like are used.
- 9 2 is a pox body constituting the body part of the boom 9 1, and the non-stick body 9 2 is an upper flange 9 3, which will be described later, which is melted together, as in the first embodiment. 9 4, left web 9 5, right web 9 6 etc.
- 9 3 is an upper flange that constitutes the upper surface of the pox body 9 2, and the upper flange 9 3 includes an upper surface plate portion 9 3 A that is curved in a mountain shape, and a base end of the upper surface plate portion 9 3 A Is formed by a bent plate portion 9 3 B that is integrally formed on the side and bent inward.
- 9 4 is a lower flange that constitutes the lower surface of the box body 9 2, and the lower flange 9 4 is Like the upper flange 9 3, it is composed of the lower plate 9 4 A and the bent plate 9 4 B.
- the left and right webs 9 5 and 9 6 are welded between the upper flange 9 3 and the lower flange 9 4 almost over the entire length.
- brackets 9 5 A 9 6 are connected to the end of the left and right webs 9 5, 9 6.
- A is provided.
- the 9 7 is a vehicle body side post provided on the base end side of the box body 9 2.
- the bent plate portion 9 3 B and the lower flange of the upper flange 9 3 are provided on the outer peripheral surface of the vehicle body side boss 9 7, the bent plate portion 9 3 B and the lower flange of the upper flange 9 3 are provided.
- the bent plate portion 9 4 B of the screw 9 4, the left web 9 5, the right web 9 6, and the reinforcing plates 9 8 and 9 9 are welded to each other.
- the boom 9 1 is rotatably connected to the vehicle body of a hydraulic excavator using a connecting pin (not shown) or the like on the vehicle body side boss 9 7.
- the 9 8 is an upper reinforcing plate provided outside the bent plate portion 9 3 B of the upper flange 9 3.
- the upper reinforcing plate 9 8 includes the bent plate portion 9 3 B and the left and right webs 9 5. , 9 6 and the vehicle body side boss 9 7.
- Reference numeral 9 9 denotes a lower reinforcing plate provided outside the bent plate portion 9 4 B of the lower flange 9 4.
- the strong plate 9 9 is similar to the upper reinforcing plate 9 8 in the same way as the bent plate 9
- the present invention can be applied to work devices 90 other than the talented boom boom type, and the range of applications can be expanded.
- a bent plate portion 15 5 ⁇ is formed only on the left web 15 of the upper boom 31 and the left reinforcing plate 20 is provided, and a flat steel plate or the like is provided on the right web 3 2.
- the configuration is used.
- the present invention is not limited to this, and a bent plate portion may be formed only on the right web of the upper cover 31 to provide a right reinforcing plate, and a flat steel plate or the like may be used for the left web.
- Upper flange 4 3 is formed with bent plate parts 4 3 ,, 4 3 C and upper reinforcing plate 4 9 is provided, and lower flange 4 4 is also bent plate parts 4 4 B, 4 4 C was formed and the lower reinforcing plate 50 was provided.
- a reinforcing plate is provided by forming a bent plate portion only in one of the upper flange and the lower flange, and the other flange is a flat steel plate. You may comprise by these.
- the upper flange 5 3, the lower flange 5 4, the left web 5 5 and the right web 5 6 of the upper boom 5 1 are bent plate portions 5 3 3 to 5 6 ,, 5 3 C. ⁇ 5 6 C was formed and the reinforcing plates 59 to 62 were provided.
- the present invention is not limited to this, and is adjacent to each other among the four sides including the upper flange, the lower flange, the left web, and the right web.
- the bent plate portion and the reinforcing plate may be arranged only on two sides or three sides, and the remaining sides may be constituted by a flat steel plate or the like.
- the reinforcing plate is arranged by forming bent plate portions on both the proximal end side and the distal end side of the front device.
- the present invention is not limited to this, and the bent plate portion and the reinforcing plate are disposed only at one of the proximal end side and the distal end side of the front device, and these are provided at the other end portion. It is good also as a structure which does not arrange
- the bent plate portion and the reinforcing plate are arranged in each part of the upper 11 1, 3 1, 4 1, 5 1.
- these embodiments are not limited to the upper boom.
- the arrangement of the bent plate portion and the reinforcing plate in the first or fourth embodiment is the same as the first embodiment.
- the present invention is not limited to this, and may be applied to other construction machines including a hydraulic crane. .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020067013324A KR100996078B1 (ko) | 2004-07-22 | 2005-06-07 | 전방 장치 |
US10/588,502 US7448841B2 (en) | 2004-07-22 | 2005-06-07 | Front device |
CN2005800051002A CN1922367B (zh) | 2004-07-22 | 2005-06-07 | 前置装置 |
EP05748200A EP1775390A4 (en) | 2004-07-22 | 2005-06-07 | FRONT DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-214631 | 2004-07-22 | ||
JP2004214631A JP4170962B2 (ja) | 2004-07-22 | 2004-07-22 | フロント装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006008892A1 true WO2006008892A1 (ja) | 2006-01-26 |
Family
ID=35785018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/010755 WO2006008892A1 (ja) | 2004-07-22 | 2005-06-07 | フロント装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7448841B2 (ja) |
EP (1) | EP1775390A4 (ja) |
JP (1) | JP4170962B2 (ja) |
KR (1) | KR100996078B1 (ja) |
CN (1) | CN1922367B (ja) |
WO (1) | WO2006008892A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2118553A2 (en) * | 2007-02-09 | 2009-11-18 | Industrial Origami, Inc. | Load-bearing three-dimensional structure |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8584362B2 (en) * | 2008-11-06 | 2013-11-19 | Wayne Industrial Holdings, Llc | Three piece lift arm apparatus and method |
EP2466014B1 (en) * | 2010-12-14 | 2020-05-27 | Caterpillar, Inc. | Linkage arrangement |
KR101821275B1 (ko) * | 2011-05-19 | 2018-01-23 | 히다치 겡키 가부시키 가이샤 | 건설 기계용 아암 |
US9334624B2 (en) | 2011-08-22 | 2016-05-10 | Cnh Industrial America Llc | Articulated work machine |
US8998560B2 (en) * | 2012-01-05 | 2015-04-07 | Deere & Company | Boom assembly |
ITMI20120206A1 (it) * | 2012-02-14 | 2013-08-15 | Cifa Spa | Segmento di un braccio articolato e braccio articolato comprendente detto segmento |
DE102012224340A1 (de) | 2012-12-21 | 2014-06-26 | Putzmeister Engineering Gmbh | Mastarm für einen Betonverteilermast und Verfahren zu dessen Herstellung |
JP6232643B2 (ja) * | 2014-06-05 | 2017-11-22 | 日立建機株式会社 | 建設機械用ブーム |
CN109339130B (zh) * | 2018-11-02 | 2023-11-10 | 徐州徐工矿业机械有限公司 | 一种反铲式挖掘机动臂 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09242108A (ja) * | 1996-03-07 | 1997-09-16 | Shin Caterpillar Mitsubishi Ltd | 油圧ショベルの作業装置 |
JPH09242109A (ja) * | 1996-03-06 | 1997-09-16 | Yanmar Diesel Engine Co Ltd | 掘削作業腕構造 |
JPH11200397A (ja) * | 1998-01-10 | 1999-07-27 | Komatsu Ltd | 建機作業機用箱形構造物の製造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4392314A (en) * | 1982-02-16 | 1983-07-12 | J. I. Case Company | Boom and dipper stick construction |
JPS6294140U (ja) * | 1985-12-02 | 1987-06-16 | ||
JPH05331539A (ja) | 1992-06-01 | 1993-12-14 | Kobe Steel Ltd | 溶接性の優れた低降伏比高強度高靭性鋼の製造方法 |
JPH06294144A (ja) * | 1993-04-08 | 1994-10-21 | Komatsu Ltd | 建設機械用作業機の製造方法 |
US5611657A (en) * | 1995-03-13 | 1997-03-18 | Case Corporation | Reinforced loader arm assembly |
US6158949A (en) * | 1998-04-29 | 2000-12-12 | Caterpillar Inc. | Boom assembly of a work machine |
JP2001081810A (ja) | 1999-09-13 | 2001-03-27 | Kubota Corp | 作業機のブーム |
JP3567365B2 (ja) * | 1999-10-21 | 2004-09-22 | 新キャタピラー三菱株式会社 | 作業機械の作業腕構造 |
JP3730551B2 (ja) * | 2001-09-19 | 2006-01-05 | 日立建機株式会社 | オフセットブーム式建設機械 |
JP4030833B2 (ja) * | 2002-01-04 | 2008-01-09 | 株式会社小松製作所 | 作業機の長尺構造部材 |
JP2004124357A (ja) * | 2002-08-02 | 2004-04-22 | Kobelco Contstruction Machinery Ltd | ブーム構造およびブーム部材の製造方法 |
-
2004
- 2004-07-22 JP JP2004214631A patent/JP4170962B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-07 EP EP05748200A patent/EP1775390A4/en not_active Withdrawn
- 2005-06-07 CN CN2005800051002A patent/CN1922367B/zh not_active Expired - Fee Related
- 2005-06-07 WO PCT/JP2005/010755 patent/WO2006008892A1/ja active Application Filing
- 2005-06-07 KR KR1020067013324A patent/KR100996078B1/ko not_active IP Right Cessation
- 2005-06-07 US US10/588,502 patent/US7448841B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09242109A (ja) * | 1996-03-06 | 1997-09-16 | Yanmar Diesel Engine Co Ltd | 掘削作業腕構造 |
JPH09242108A (ja) * | 1996-03-07 | 1997-09-16 | Shin Caterpillar Mitsubishi Ltd | 油圧ショベルの作業装置 |
JPH11200397A (ja) * | 1998-01-10 | 1999-07-27 | Komatsu Ltd | 建機作業機用箱形構造物の製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1775390A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2118553A2 (en) * | 2007-02-09 | 2009-11-18 | Industrial Origami, Inc. | Load-bearing three-dimensional structure |
EP2118553A4 (en) * | 2007-02-09 | 2014-04-16 | Ind Origami Inc | LOAD-LOADING THREE-DIMENSIONAL STRUCTURE |
Also Published As
Publication number | Publication date |
---|---|
US20070124963A1 (en) | 2007-06-07 |
CN1922367B (zh) | 2011-02-09 |
EP1775390A4 (en) | 2012-01-18 |
KR100996078B1 (ko) | 2010-11-22 |
CN1922367A (zh) | 2007-02-28 |
JP2006037363A (ja) | 2006-02-09 |
JP4170962B2 (ja) | 2008-10-22 |
EP1775390A1 (en) | 2007-04-18 |
US7448841B2 (en) | 2008-11-11 |
KR20070033950A (ko) | 2007-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2006008892A1 (ja) | フロント装置 | |
RU2594398C2 (ru) | Съемный узел прижимного элемента и механизм обратной лопаты с таким узлом | |
BR102014004424B1 (pt) | Caçamba escavadeira e máquina de terraplanagem | |
US9015970B1 (en) | Convertible bucket having folding wings and winglets | |
JP5632076B2 (ja) | 建設機械用アーム | |
JP6223300B2 (ja) | フロントローダ | |
US8974172B2 (en) | Boom assembly | |
JP5562903B2 (ja) | 建設機械用アーム | |
US5964301A (en) | Tilting loader bucket mechanism | |
KR20090117332A (ko) | 수직 및 수평 동작가능한 건설장비용 붐 | |
KR102001256B1 (ko) | 클램셸 버킷 | |
WO2009145000A1 (ja) | 建設機械 | |
WO2008053779A1 (en) | Boom and front attachment for working machine | |
JP6245768B2 (ja) | バケット | |
JP5322557B2 (ja) | 建設機械のアーム | |
JP6914829B2 (ja) | 作業機のアーム | |
JP2003034945A (ja) | オフセットブーム式建設機械 | |
CN205712152U (zh) | 预制桩加强结构及耐久性桩基 | |
JPS58222220A (ja) | 作業用車両におけるブ−ムのブ−ム素体 | |
JP2011174281A (ja) | ドーザブレード支持アーム | |
JP4034398B2 (ja) | クラムシエルアタツチメントのグラブユニツト | |
JP4444606B2 (ja) | 建設機械 | |
JP3550500B2 (ja) | ブーム構造 | |
JP3213201B2 (ja) | バックホウ | |
JP2563567Y2 (ja) | 側溝掘削用油圧ショベル |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1020067013324 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2005748200 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007124963 Country of ref document: US Ref document number: 10588502 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580005100.2 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 1020067013324 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2005748200 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 10588502 Country of ref document: US |