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
  • E02F3/34—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 bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
  • E02F3/3405—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 bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism
  • E02F3/3408—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 bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines and comprising an additional linkage mechanism of the parallelogram-type

Definitions

• the present invention relates to a Shovel loader, and particularly to a Shovel loader having a reach function.
• Shovel loaders As a loader that can load and unload luggage at a high place for a compact body or at a remote location in front of the body, Shovel loaders, or 2) so-called no-lift type, which have a lift arm longer than the standard lift arm. Is being used.
• the Re-type Sho-Bel-Roder The pivot position of the reach arm with the lift arm to the car body, and the lift arm is provided between the lift arm and the car body to drive the lift arm.
• the pivot position of the lift cylinder on the vehicle body, the pivot position of the rear arm load rod on the vehicle body, and the drive of the reach arm Since the reach cylinders are all located behind the front axle, the steering cylinders can be flexed.
• the body must be bent at the rear of the reach of the reach cylinder to the body, which inevitably lengthens the wheelbase and causes the body to bend.
• the lift arm only moves around the center point of its rotation during operation.
• the cargo is located further in front of the hull than in the case of a Shovel loader with standard lift arms. Therefore, the center of gravity of the load is located farther forward than the center of gravity of the vehicle, which makes traveling in the load state unstable and causes pitching and the like. easy.
• the lift arm since the lift arm is long, the actual radius of rotation, that is, the radius of rotation of the wall, which is a large, indoor, or factory premises. It is inconvenient for work such as.
• the present invention has been made in view of the circumstances of the conventional Shovel loader described above, and its purpose is to steer the wheel base without making it longer than necessary.
• it also makes it possible for the rear arm to come close to the driver's side when the rear arm swings. It is C 'to provide a Shovel loader that prevents and eliminates the anxiety given to the driver (
• Another object of the present invention is to provide a shovel loader which is hard to generate a pitching force or the like and is excellent in running stability even when running in a loaded state. It is to be provided.
• a pair of reach cylinders pivotally connected to the vehicle body actuate to rotate the vehicle forward or backward around the lower end pivot point to the vehicle body.
• a base end portion is pivotally attached to a distal end of each of the reach arm and the pair of reach arms, and a bucket is pivotally attached to the distal end portion.
• a pair of lift arms which are provided so that they can be raised and lowered by the operation of a pair of lift cylinders whose base ends are attached to the vehicle body.
• the pivot point of each of the lift cylinders with respect to the vehicle body is located near the front of the front wheel axle, and at the same time, the vehicle is mounted on the body of the vehicle. The pivot point is located behind the front wheel axle, and as close as possible to the front wheel axle side. ® bell Russia over da is Ru is provided.
• each pivot arm of the lift cylinder is located near the front of the front wheel axle by positioning the pivot point of the vehicle body of the lift cylinder.
• the Shovel Loader is characterized in that the pivot position of each of the cylinders on the vehicle body is moved closer to the front wheel axle side so that the vehicle approaches the front wheel axle side. It is.
• FIG. 1 is an outline of a specific example of the shovel loader of the present invention. It is a schematic side view,
• FIG. 2 is a schematic enlarged side view of a main part shown in FIG. 1, and FIG.
• FIG. 3 is a schematic plan view of the specific example shown in FIG.
• FIG. 1 shows a side view of the Shovel loader according to the present invention.
• reference numeral 1 denotes a front body
• 2 denotes a rear body
• front and rear bodies 1 and 2 are connected to each other via a body bending mechanism 3.
• the rear body 2 is provided with a pair of rear wheels 4, a drive mechanism 5, a driving unit 6, and the like
• the front body 1 is provided with a pair of front wheels 8 via a front wheel axle 7. .
• the front portion of the front vehicle body 1 projects above the front wheel axle 7 beyond the front wheel axle 7 and, as shown in FIG. 2, has a front wheel axle.
• a pivot 1e is provided on the rear upper side of the front vehicle body 1.
• the intermediate pivot portion 1b is attached to the vicinity of the rear of the front wheel axle 7 via the lower end force pin 10 of the rear arm 9 so as to be capable of swinging back and forth.
• the upper end of the arm 9 is connected to the pivot 12 on the lower front of the link plate 11 with a pin 13 is there .
• the rear pivot 1c of the front body 1 is connected to the rear side of the front wheel axle 7 via the lower end force pin 15 of the rod 14 and the upper end of the rod 14
• the part is connected to a pivot 16 at the rear lower side of the link plate 11 with a pin 17, and the reach arm 9 and the rod 14 are connected to each other.
• the reach arm 9 and the rod 14 are a pair of left and right, and the left and right reach arms 9 are located in the middle of the reach arm 9 according to the cross member i8. They are interconnected.
• the pivot plate 12 at the front lower side of the link plate 11 is connected so as to be able to undulate with a rear end force of a lift arm 19 ⁇ pin 13.
• Lift arm 19 is a pair of left and right lift arms.19 is a cross member at the front and back of the middle part.
• the rear 'cross member' 21 has a pivot 22.
• a base end of a lift cylinder 2 is attached to a front pivot portion 1a of the front vehicle body 1 via a pin 24 in the vicinity of the front of a front wheel axle 7, and a lift is provided.
• the piston rod 25 of the cylinder 23 is connected to the pivot 22 by a pin 26.
• the front end of the lift arm 19 is a bucket bracket
• the pin 27 is connected to the lower pivot part 28 of the rear part 27 by a pin 29, and the hook part 30 at the lower front part of the bucket bracket 27 is connected to the pin. It is connected with the back bracket 32 or pin 33 of the top 31. Also, the pivot at the top of the link plate 11
• link 35 is connected to pin 34 by pin 36.
• the lower end of the link 35 is connected to the pivotal support 37 on the upper part of the bucket bracket 27 by a pin 38.
• a chinoret cylinder 39 In the middle of the bucket bracket 27, there is a chinoret cylinder 39, which is provided with the chinoret cylinder 39.
• the stone rod 40 is connected to a bracket 41 protruding from the center of the back of the bucket 31 by a pin 42.
• the base end of the reach cylinder 43 is attached to the support part 1 e of the front vehicle body 1 with a pin 44, and the piston cylinder of the reach cylinder 43 is fixed to the piston rod of the reach cylinder 43.
• the pin 45 is connected to a pivot 46 provided on a cross member 18 of the reach arm 9 by a pin 47.
• reference numeral 48 in FIG. 1 denotes a drive shaft.
• Bin 24 is the support point A of the lift cylinder 23 to the vehicle body
• pin 10 is the pivot point B of the reach arm 9 to the vehicle body
• Pin 15 is a pivot point C for rod 14 to the vehicle body
• pin 44 is a pivot point D for reach cylinder 43 to the vehicle body.
• the pivot point D of the reach cylinder 43 to the vehicle body is provided. Is located closer to the front axle 7 side, and the pivot point B of the reach arm 9 to the vehicle body and the pivot point C of the ⁇ -head 14 to the vehicle body are also closer to the front wheel axle 7 side. Yes.
• the reach cylinder 43 is extended to extend the reach cylinder. Rotate the arm 9 forward about the pivot point ⁇ to the vehicle body, and move the bucket 31 forward via the lift arm 19. At this time, the rod 14 and the lift cylinder 23 rotate forward around the pivot points C and A to the vehicle body, as indicated by the imaginary lines in FIG. O to perform the work of digging in debris, etc.
• the lift cylinder 19 is lifted by the extension of the lift cylinder 23, and the packet 3 is raised by the contraction movement of the tilt cylinder 39. Rotate 1 downward to load debris.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Mining & Mineral Resources (AREA)
• Civil Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Shovels (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=15056348

Family Applications (1)

Country Status (2)

Citations (2)

• 1986
  • 1986-08-29 JP JP1986131370U patent/JPH0512364Y2/ja not_active Expired - Lifetime
• 1987
  • 1987-08-27 WO PCT/JP1987/000637 patent/WO1988001662A1/ja unknown

Patent Citations (2)

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