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CN-224226496-U - Rotary grab bucket with adjustable angle

CN224226496UCN 224226496 UCN224226496 UCN 224226496UCN-224226496-U

Abstract

The utility model discloses a rotary grab bucket with an adjustable angle, and relates to the technical field of grabbing devices of engineering machinery. This rotation type adjustable angle grab bucket contains rotatory fixing base, rotatory fixing base bottom left and right sides is provided with the grab bucket main part, rotatory fixing base bottom middle part is provided with the pneumatic cylinder, the pneumatic cylinder bottom is provided with the actuating beam, the actuating beam left and right sides end all is provided with the link group that opens and shuts, the one end that the actuating beam was kept away from to the link group that opens and shuts sets up in grab bucket main part top, can drive the rotation of drive worm wheel ring and drive ring gear through the rotation of driving worm, and then makes rotatory sleeve rotate, realizes the angle modulation of the horizontal plane of whole grab bucket main part, and accurate snatchs goods, promotes loading and unloading efficiency, shortens loading and unloading time to can be when snatching irregular goods, the adaptation displacement moves the pole and can slide on rotatory connecting rod, makes grab bucket main part self-adaptation laminating goods surface, effectively improves the stability of snatching the effect, has reduced the potential safety hazard.

Inventors

  • XU SUBING

Assignees

  • 苏州硕力重工有限公司

Dates

Publication Date
20260512
Application Date
20250630

Claims (7)

  1. 1. The rotary grab bucket with the adjustable angle comprises a rotary fixing seat (1) and is characterized in that grab bucket bodies (5) are arranged on the left side and the right side of the bottom end of the rotary fixing seat (1), a hydraulic cylinder (2) is arranged in the middle of the bottom end of the rotary fixing seat (1), a driving beam (3) is arranged at the bottom end of the hydraulic cylinder (2), an opening and closing connecting rod group (4) is arranged at the left end and the right end of the driving beam (3), and one end, far away from the driving beam (3), of the opening and closing connecting rod group (4) is arranged at the top end of the grab bucket bodies (5).
  2. 2. The rotary grab bucket with adjustable angle according to claim 1, wherein the rotary fixing seat (1) comprises a rotary sleeve (13) fixedly connected to the top end of the hydraulic cylinder (2), a supporting cylinder (12) is rotatably connected inside the rotary sleeve (13), a supporting driving column (11) is fixedly connected to the middle of the top end of the supporting cylinder (12), a grab bucket supporting seat (15) is fixedly connected to the top end of the grab bucket main body (5) in a rotary mode, two connecting columns (14) are fixedly connected between the outer surface of the rotary sleeve (13) and the grab bucket supporting seat (15), and the top end of the supporting driving column (11) extends to the outer side of the top end of the grab bucket supporting seat (15).
  3. 3. The rotary grab bucket with adjustable angle according to claim 2, wherein the supporting driving column (11) comprises a supporting column (111) fixedly connected to the top end of the supporting cylinder (12), a transmission worm ring (113) is rotatably connected inside the supporting column (111), driving worms (112) which rotate inside the supporting driving column (11) are meshed and connected on the left side and the right side of the transmission worm ring (113), the rotation directions of the two driving worms (112) are opposite, a driving toothed ring (116) is fixedly connected to the bottom end of the transmission worm ring (113), and the driving toothed ring (116) is rotatably connected inside the supporting column (111) and the outer surface of the driving toothed ring extends to the outer side of the supporting column (111).
  4. 4. The rotary grab bucket with adjustable angle according to claim 3, wherein positioning teeth (114) are connected between every two teeth on the front side and the rear side of the driving worm wheel ring (113) in a meshed mode, the outer surfaces of the positioning teeth (114) are connected inside the supporting columns (111) in a sliding mode, and two attaching springs (115) are fixedly connected to one end, away from the driving worm wheel ring (113), of the positioning teeth (114).
  5. 5. The rotary adjustable angle grab bucket of claim 4, wherein the inner side of the rotary sleeve (13) is provided with rotary teeth meshed with a driving toothed ring (116), and the outer surface of the support column (111) is rotatably connected to the inner side of the rotary sleeve (13).
  6. 6. The rotary grab bucket with adjustable angle according to claim 1, wherein the opening and closing connecting rod group (4) comprises two rotary connecting rods (41) which are connected with the driving beam (3) in a common rotation mode, the outer surfaces of the rotary connecting rods (41) are connected with a position-adapting moving rod (42) in a sliding mode, and one end, far away from the rotary connecting rods (41), of the position-adapting moving rod (42) is fixedly connected to the inner side of the grab bucket main body (5).
  7. 7. The rotary grab bucket with adjustable angle according to claim 6, wherein the rotary connecting rod (41) comprises a connecting rod main body (415) rotatably connected to the driving beam (3), a plurality of parallel position adapting sliding grooves (413) are formed in the left and right of the connecting rod main body (415), dampers (411) are fixedly connected to the inner sides of the position adapting sliding grooves (413), sliding columns (414) are fixedly connected to one ends, far away from the position adapting sliding grooves (413), of the dampers (411), the sliding columns (414) are slidably connected to the inner sides of the position adapting sliding grooves (413), supporting springs (412) are fixedly connected between the sliding columns (414) and the dampers (411), and the outer surfaces of the sliding columns (414) are fixedly connected to the outer surfaces of the nearest position adapting movable rods (42).

Description

Rotary grab bucket with adjustable angle Technical Field The utility model relates to the technical field of engineering machinery grabbing devices, in particular to a rotary grab bucket with an adjustable angle. Background The grab bucket is a special tool for grabbing dry bulk cargoes by a crane, and an object containing space is formed by combining two or more bucket-shaped jaw plates which can be opened and closed, and bulk materials are grabbed and discharged mainly by opening and closing the jaw plates, so that a large amount of bulk materials can be grabbed and discharged rapidly, higher loading and unloading efficiency can be achieved, and the loading and unloading time of cargoes is shortened greatly. The following problems exist in the prior art: The existing grab bucket is unable to adjust the angle to the marginal goods when facing different service environments, easily leads to snatching incompletely because of the grab bucket, needs manual assistance or repeated operation many times, leads to the inefficiency in handling to because the bucket form jaw of grab bucket remains the symmetry throughout under the on-off state, can't laminate the goods surface simultaneously when facing irregular goods, lead to snatching the effect unstable, lead to snatching stability lower and the potential safety hazard is great. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides the rotary grab bucket with adjustable angle, which solves the problems of angle limitation and grabbing effect. The grab bucket with the adjustable angle comprises a rotary fixing seat, wherein grab bucket bodies are arranged on the left side and the right side of the bottom end of the rotary fixing seat, a hydraulic cylinder is arranged in the middle of the bottom end of the rotary fixing seat, a driving beam is arranged at the bottom end of the hydraulic cylinder, opening and closing connecting rod groups are arranged at the left end and the right end of the driving beam, and one end, far away from the driving beam, of each opening and closing connecting rod group is arranged at the top end of the grab bucket bodies. Preferably, the rotary fixing seat comprises a rotary sleeve fixedly connected to the top end of the hydraulic cylinder, a supporting cylinder is rotatably connected inside the rotary sleeve, a supporting driving column is fixedly connected to the middle part of the top end of the supporting cylinder, a grab bucket supporting seat is fixedly connected to the top end of the supporting cylinder and rotatably connected to the top end of the grab bucket main body, two connecting columns are fixedly connected between the outer surface of the rotary sleeve and the grab bucket supporting seat, and the top end of the supporting driving column extends to the outer side of the top end of the grab bucket supporting seat. Preferably, the support driving column comprises a support column fixedly connected to the top end of the support cylinder, a transmission worm wheel ring is rotationally connected to the inside of the support column, driving worms which rotate in the support driving column are meshed and connected to the left side and the right side of the transmission worm wheel ring, the rotation directions of the driving worms are opposite, a driving toothed ring is fixedly connected to the bottom end of the transmission worm wheel ring, and the driving toothed ring is rotationally connected to the inside of the support column and extends to the outer side of the support column. Preferably, each tooth on the front side and the rear side of the transmission worm wheel ring is in meshed connection with a positioning tooth, the outer surface of the positioning tooth is in sliding connection with the inside of the support column, and one end, away from the transmission worm wheel ring, of the positioning tooth is fixedly connected with two attaching springs. Preferably, the inner side of the rotary sleeve is provided with rotary teeth meshed with the driving toothed ring, and the outer surface of the support column is rotationally connected to the inner side of the rotary sleeve. Preferably, the opening and closing connecting rod group comprises two rotating connecting rods which are connected with the driving beam in a common rotating mode, the outer surfaces of the rotating connecting rods are connected with the position-adapting moving rods in a sliding mode, and one ends, far away from the rotating connecting rods, of the position-adapting moving rods are fixedly connected to the inner side of the grab bucket main body. Preferably, the rotary connecting rod comprises a connecting rod main body which is rotationally connected with the driving beam, a plurality of parallel position adapting sliding grooves are formed in the left and right of the connecting rod main body in a penetrating mode, a damper is fixedly connected to the inner side of each position adapting sliding groove, one end