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
  • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
  • E02F3/80—Component parts
  • E02F3/815—Blades; Levelling or scarifying tools
  • E02F3/8155—Blades; Levelling or scarifying tools provided with movable parts, e.g. cutting discs, vibrating teeth or the like

Definitions

• the present invention relates to a blade device whose width can be changed.
• a long main body blade body is set in a fixed width dimension in the width direction, and when the width is increased, Attach a wide blade to the end of the main body blade in the width direction, and reduce the width without using the wide blade, that is, use the wide blade.
• the blade body is stored when the blade body is stored, and a wide blade is mounted on the back side of the body for storage.
• the up-and-down A pair of main body blade brackets are installed, and the upper and lower surfaces of the main body blade bracket overlap the upper and lower surfaces of the main body blade bracket on the back side of the widening blade.
• a pair of widening blade brackets is provided.
• the opening is made on the back of the body blade in the width direction of the body blade.
• a cylindrical mounting tube is provided, and a cylindrical mounting shaft to be inserted into the mounting tube is provided on the back surface of the widened blade body.
• the mounting shaft is inserted from the outer end of the mounting cylinder, and the widening plate is expanded.
• the body is located at the end of the blade body, and one pin is inserted into the mounting cylinder and the mounting hole that crosses the axial direction of the mounting shaft.
• the insertion of the mounting shaft into the mounting tube allows the negative blade to move forward and backward in relation to the widened blade body.
• To prevent the load from being received by the mounting cylinder it is necessary to use only one pin to prevent it from turning. The load in the direction of rotation of the lead must be received by the pin.
• the mounting shaft is rotatable with respect to the mounting cylinder, and the mounting shaft has When the pin is inserted, the widened blade is piled on the center of gravity balance because the widened blade has a center of gravity that faces downward.
• the mounting hole of the mounting cylinder While supporting it, the mounting hole of the mounting cylinder must be aligned with the mounting hole of the mounting shaft, and the pin must be inserted, so that the insertion of the pin is not easy.
• the edge of the mounting hole of the mounting shaft that tries to rotate along with the balance of the center of gravity of the widening blade is connected to the pin. There is a problem that it is not easy to press against the pin and pull out the pin.
• the blade device of the present invention is installed on the main body blade which is elongated in the width direction, and on the rear end of the main body blade in the width direction.
• a main body blade body having a mounting portion formed with a mounting hole that is opened in the width direction and has a non-circular cross section in a direction crossing the width direction.
• a widening blade that can be placed at the end of the blade in the width direction, and that is installed on the back of the widening blade and that is removably fitted to the mounting hole of the main body blade body The fitting part is fitted from the outer end side of the mounting hole, and the widening blade is used.
• the widened blade body disposed at the end of the body blade and the fitting part of the widened blade body fitted into the mounting hole of the main body blade body are detachably connected. And a locking member for stopping, the fitting portion is fitted from the outer end side of the mounting hole, and the widened blade body is attached to the end of the main body blade body.
• the locking device that locks the fitting portion fitted into the mounting hole only functions to prevent the fitting portion from being removed, so that the load on the locking device can be reduced.
• the attachment / detachment of the fastener can be easily performed.
• the widened blade body is configured such that the fitting portion is fitted from the inner end side of the mounting hole of the main body blade body so that the widened blade is connected to the main body blade. It is placed on the back side of the blade, and when it is not used, the widened blade body can be stored on the back side of the main body blade body.
• the main body blade is provided with a support arm for supporting a middle portion in the width direction of the rear surface of the main body blade, and the widened blade is provided.
• the length of the blade body in the width direction including the fitting part is longer than the distance between the support arm of the main body blade body and the inner end side of the mounting hole, and the width of the wide blade body is increased.
• the mounting portion of the main body blade body is arranged such that the mounting portion of the main body blade is alternately provided from the back surface plate to the supporting arm to the supporting arm.
• a pair of main body blade brackets that are spaced apart, and a pair of main body blade brackets that face the back panel The mounting part can be easily installed by using the back plate provided with the main body blade and the main body blade bracket as well. Can be configured.
• the fitting portion of the widened blade body is such that the fitting portion of the widened blade body is on the inner end side of the mounting hole with respect to the support portion of the mounting portion of the main body blade body. It has a notch that allows the posture of the widened blade to come out of the hole, and the position of the widened blade that comes out of the inner end of the mounting hole. Can be easily changed.
• the locking member is configured such that the locking member is provided on the mounting part of the main body blade body and the widened blade body fitted in the mounting hole of the mounting part. It has one pin that is inserted into the fitting part, and the widening plate that fits into the mounting hole of the main body blade body with one pin The fitting portion of the card body can be locked, and the operation of attaching and detaching the locking tool can be facilitated.
• the engaging member is such that the widening blade fitted to the mounting portion of the main blade body and the mounting hole of the mounting portion.
• One pin to be inserted into the fitting part of the body, and the mounting part of the main body blade and the widening plug fitted from the inner end side of the mounting hole of the mounting part Mating the blade body It has a non-rotating part to be inserted into the part, and the wide blade body fitted into the mounting hole of the main body blade body with one pin
• the engaging part of the mounting hole can be locked, the attachment and detachment operation of the locking device can be easily performed, and the widened part fitted from the inner end side of the mounting hole by the turning stop part By stopping the fitting portion of the blade body from rotating, it is possible to prevent rattling of the widened blade body in the stored state.
• FIG. 1 is a perspective view of a blade device according to a first embodiment of the present invention at the time of widening using a widening blade showing a first embodiment of the blade device
• FIG. 2 is a blade diagram.
• FIG. 3 is a plan view of the blade device when the blade device is widened
• FIG. 3 is a plan view of the blade device when the blade device is stored in which the widened blade body is stored
• FIG. 5 is a side view of the blade body of the blade device
• FIG. 6 is a side view of a working machine to which the blade device is applied.
• Fig. 7 is a plan view of the work machine.
• Figs. 6 and 7 show a hydraulic shovel 11 as a working machine.
• the hydraulic excavator 11 is installed on the machine body 12 and on both sides in the width direction of the machine body 12. Equipped with a traveling device 13.
• the lower traveling body 14 has a traveling platform (not shown), traveling devices 13 are disposed on both sides of the traveling platform, and a turning section 15 is disposed on the upper surface of the traveling platform. It has been done.
• the traveling devices 13 on both sides are of a type that can be expanded and contracted in the width direction via a variable width device (not shown), and a type that is not expanded and contracted in the width direction without the variable width device. According to the present embodiment, it is configured to be able to expand and contract in the direction.
• the blade device 17 is mounted so as to be swingable upward and downward with respect to the front side of the traveling machine base of the lower traveling body 14 and is mounted. It swings up and down by the hydraulic cylinder 20 disposed between them.
• the width of the blade 17 is configured to be changeable as necessary. That is, as shown in FIG. 7, the blade device 17 is a main body blade body 21 attached to the machine main body 12, and the main body blade body 21. The widened blade body 22 and the widened blade body 22 attached detachably to both ends of the body 21 in the width direction are attached to the main body. A lock 23 for locking to the blade body 21 is provided. At the time of widening, as shown by the two-dot chain line in FIG. 7, the widened blade body 22 is attached to both ends of the main body blade body 21 in the width direction.
• the blade device 17 is widened, and when the blade is retracted when the width is reduced, that is, when the widened blade body 22 is not used, the blade device 17 is shown by a solid line in FIG. As shown in the figure, the widened blade body 22 is detached from both ends of the main body blade body 21 in the width direction, and is housed on the rear side of the main body blade body 21. Blade device 17 is reduced in width.
• FIG. 1 to FIG. 5 show the blade device 17.
• the main body blade body 21 of the blade device 17 is a main body blade having a front surface side having a concave cross-section curved cross-sectional shape and formed to be long in the width direction. It has a blade 31 and has an end plate 33 provided with a suspension hole 32 at each end of the main body blade 31.
• a rear plate 34 is attached to the back of the main body blade 31, and the machine main body 1 2, that is, the lower traveling body 1 is provided in the widthwise middle portion of the rear plate 34.
• a pair of support arms 35 which are pivotally supported on the traveling machine base 4, are mounted.
• a connecting portion 36 is connected between the inner surfaces of the pair of support arms 35, and a hydraulic cylinder 20 is connected to the connecting portion 36.
• Kit 37 is installed on the outer surface side of each support arm 35.
• Kit 37 is installed. At both ends on the back surface of the main body blade 31, mounting portions 38 for detachably mounting the widened blade body 22 are formed.
• the mounting portion 38 is attached to the back plate 34, a pair of upper and lower body blade brackets 37, and a back between the body blade brackets 37. It is formed in a box structure having a plate-like support portion 39 provided parallel to and facing the face plate 34.
• the inside of the mounting portion 38 surrounded by the rear plate 34, the upper and lower body blade brackets 37, and the support portion 39 has a widthwise direction.
• a mounting hole 40 is formed that has a non-circular, that is, rectangular, cross section in a direction crossing the width direction and passing through the opening.
• the mounting portion 38 has a pair of upper and lower body blade brackets 37 formed with locking holes 41 penetrating coaxially upward and downward, and An engagement hole 42 penetrating upward and downward is formed in one of the upper body blade and the bracket 37 in parallel with the engagement hole 41.
• the engagement hole 42 is formed in a long hole shape extending in the direction of the locking hole 41.
• the upper and lower body blade brackets 37 have a rear edge between the support arm 35 and the mounting portion 38 and a front body blade 31 side.
• An escape portion 43 is formed to allow the widened blade body 22 to be stored.
• the end plate 33 has a cutout portion 44 corresponding to the opening shape of the mounting hole 40.
• the widened blade body 22 has the same cross-sectional shape as the main body blade 31, that is, the cross-sectional shape of the front side is concave. It has a formed widening blade 51, and one end of the widening blade 51 in the width direction is attached to the other end. End plates 52, 53 are attached to the other end, respectively. Have been taken.
• the cross-sectional shape of the fitting portion 54 is formed in a non-circular shape, that is, a substantially rectangular shape, by the upper and lower surfaces and the front and rear surfaces of the upper and lower widened blade brackets 55. It is formed in a shape that can be fitted into the mounting hole 40 of the braced part 38.
• the widened blade body 22 is positioned forward and rearward, upward and downward, and in the rotational direction with the fitting portion as the center with respect to the main body blade body 21.
• the position of the box structure is restricted, and the load in the front-rear direction, the upward / downward direction, and the rotation direction centering on the mating part is attached to the box structure mounting part.
• the force S can be received at 3 8.
• the length L1 in the width direction including the fitting portion 54 of the widened blade body 22 is equal to that of the supporting arm 35 of the main body blade body 21.
• the distance from the inner end side of the mounting hole 40 is longer than the distance L2, as shown in FIG. 3, due to the change in the posture by rotating and moving the widening blade body 22, the fitting is performed.
• the part 54 can be removed from the inner end of the mounting hole 40.
• a guide part 56 is formed with a bevel to prevent interference of the fitting part 54 with the back plate 34 of the main body blade body 21 during storage and storage. Let's do it.
• the mounting portion is provided as shown in FIG. 3. Insert the fitting part 54 into and out of the inside end of the mounting hole 40 with respect to the support part 39 of 38. Enlargement Change of posture by rotating the blade body 22 A notch 57 is formed to allow the pressure.
• the pair of widened blade brackets 55 on the upper and lower sides of the fitting portion 54 are provided with the locking holes 4 of the mounting portion 38 when fitted in the mounting holes 40 of the mounting portion 38.
• a locking hole 58 arranged coaxially with 1 is formed to penetrate vertically, and the upper wide blade bracket 55 has the same coaxial hole as the engaging hole 42 of the mounting part 38.
• Engagement holes 59, 60 arranged on the upper side are formed. These engagement holes 59, 60 are used for widening when the fitting portion 54 is fitted from the outer end side of the mounting hole 40 and for storage when inserted from the inner end side power source.
• the fitting portion 54 is provided at two locations, a distal end side and a proximal end side, according to the application.
• the locking member 23 is a single cylindrical shape that is removably inserted into the locking hole 41 of the mounting portion 38 and the locking hole 58 of the fitting portion 54. It has a pin 71, and a handle 72 for fixing the pin 71 to one end is fixed at one end of the pin 71. 2 is formed by bending a columnar wire rod into a substantially U-shape, one end of which is fixed to a pin 71, and the other end of which is bent in parallel with the pin 71. Locking part that can be inserted into and removed from the engaging hole 42 of the mounting part 38 and the engaging hole 59 or the engaging hole 60 of the fitting part 54. 73 are formed.
• the inner diameter of the upper locking hole 41 corresponds to the outer diameter of the pin 71. 4 is formed with relatively high dimensional accuracy, and the dimensional accuracy of the inner diameter of the lower locking hole 41 is lower than that of the upper locking hole 41, facilitating manufacture. .
• the blade device 17 is widened.
• the fitting portion 54 of the wide blade member 22 is connected to the main body blade. Insert from the outer end side of the mounting hole 40 of the mounting part 38 of the blade body 21 and fit it in, and place the widened blade body 22 at the end of the main body blade body 21 You When the fitting portion 54 is fitted in the mounting hole 40 of the mounting portion 38, the widened blade body 22 faces forward and backward with respect to the main body blade body 21. The position in the direction of rotation centered on the mating part is regulated and regulated, and therefore, the locking hole 58 of the mating part 54 is engaged. Holes 59 are coaxially arranged in the locking holes 41 and the engaging holes 42 of the mounting portion 38, respectively.
• Non-rotating part 73 includes pin 71 It functions as a stopper for locking device 23.
• the fitting portion 54 is fitted from the outer end side of the mounting hole 40, and the widened blade body 22 is disposed at the end of the main body blade body 21.
• the load is applied to the widening blade body 22 in the upward / downward direction, the front / rear direction, and the rotational direction centering on the fitting portion. It can be received at the mounting part 38.
• the locking member 23 that locks the fitting portion 54 fitted into the mounting hole 40 of the fitting portion 38 functions as a stopper for the fitting portion 54. Only by doing so, it is possible to reduce the burden on the fasteners 23. Therefore, it can be locked with only one pin 71 of the lock 23.
• the blade device 17 is reduced in width as the travel devices 13 on both sides of the hydraulic shovel 11 are reduced in width.
• the fitting portion 54 of the wide blade member 22 is connected to the main body blade. Insert and fit from the inner end side of the mounting hole 40 of the body 21, and place the widened blade body 22 on the back side of the main body blade body 21.
• the length L 1 in the width direction including the fitting portion 54 of the widened blade body 22 is the supporting arm 35 of the main body blade body 21 and the mounting hole 40. Even if there is a restriction in the width direction that is longer than the distance L 2 from the inner end of the wide blade blade 22, the fitting position is changed by changing the posture of the wide blade body 22 by rotating it. Can be inserted and fitted into the inner end of the mounting hole 40. Further, the notch portion 57 provided in the fitting portion 54 of the widening blade body 22 allows the support portion 39 of the attachment portion 38 of the main body blade body 21 to be provided. In addition, the posture change due to the rotational movement of the widened blade body 22 inserted into the inner end side of the mounting hole 40 can be allowed.
• the widened blade body 22 is directed forward and rearward and upward and downward with respect to the main body blade body 21.
• the position in the rotational direction with the fitting portion as the center is determined and regulated, so that the locking holes 58 and the fitting holes 60 of the fitting portions 54 are provided.
• the pin 71 of the locking tool 23, which is coaxially arranged in the locking hole 41 and the engaging hole 42 of the mounting portion 38, is inserted into the locking hole 41 of the mounting portion 38. Align the locking holes 41 and insert them into the locking holes 58 of the mating parts 54, and then align the locking parts 73 with the engaging holes 42. ⁇ ⁇ Insert into the engaging hole 60 of the fitting part 54.
• the fitting portion 54 is fitted from the inner end side of the mounting hole 40, and the widened blade body 22 is attached to the back of the main body blade body 21. It can be arranged and stored on the side.
• the pin 71 of the locking member 23 and the rotation stop are required.
• the fitting part 54 can be removed from the mounting hole 40 of the mounting part 38 and removed.
• the load in the upward and downward directions, the front and rear directions, and the rotation direction centering on the fitting portion of the widening blade body 22 is applied to the box-shaped attachment portion 38.
• Only one pin 71 of the locking member 23 is required to function as a stopper to allow the pin 71 to be easily received and removed.
• the wide blade member 22 fitted from the inner end side of the mounting hole 40 by the rotation stopping portion 73 provided at one end of the knob 72 of the locking member 23. By stopping the fitting portion 54 from turning, the rattling of the widening blade 22 in the stored state can be prevented.
• the locking member 23 has a locking portion 73 together with one pin 71. However, if at least the pin 71 is provided, the mounting portion 38 can be mounted. The fitting portion 54 fitted in the hole 40 can be stopped and locked. In this case, when the widening blade body 22 is stored, rattling occurs in the widening blade body 22.However, the shape of the fitting portion 5'4, etc. should be devised. This allows the position in the direction of rotation around pin 71 to be determined. By doing so, rattling of the widened blade body 22 can be prevented.
• the locking part 23 is rotated with the pin 71 inserted into the mounting part 38.
• one end of the handle 72 is disengaged from, for example, an L-shaped bracket provided on the mounting portion 38, and the handle 72 Can be used to prevent the pin 71 from being pulled out when one end of the bracket is engaged with the bracket.
• the fastening tool 23 is not limited to the pin 71, and a fastening means including a bolt and a nut may be used, and when this fastening means is used. Can reliably maintain the locked state between the mounting portion 38 and the fitting portion 54.
• the blade device 17 has a configuration in which the traveling devices 13 on both sides of the lower traveling body 14 can be expanded and contracted in the width direction by the variable width device.
• Hydraulic shovel 11 was used, but it is also applicable to hydraulic sill 11 with a configuration in which there is no variable width device and the traveling devices 13 on both sides of the lower traveling body 14 do not expand or contract in the width direction. The same effect can be obtained. Possibility of industrial use

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Mining & Mineral Resources (AREA)
• Civil Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Component Parts Of Construction Machinery (AREA)
• Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
• Body Structure For Vehicles (AREA)
• Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

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• 2002
  • 2002-08-22 JP JP2002242463A patent/JP4002807B2/ja not_active Expired - Fee Related
• 2003
  • 2003-04-18 WO PCT/JP2003/004958 patent/WO2004018783A1/ja not_active Ceased
  • 2003-04-18 DE DE60334806T patent/DE60334806D1/de not_active Expired - Lifetime
  • 2003-04-18 US US10/513,653 patent/US20050126052A1/en not_active Abandoned
  • 2003-04-18 EP EP03717641A patent/EP1533426B1/de not_active Expired - Lifetime

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