阅读说明：本技术 一种旋切式抓斗装置 (Rotary-cut formula grab bucket device ) 是由 王广妍 于 2020-08-03 设计创作，主要内容包括：本发明涉及抓取工具技术领域,更具体的说是一种旋切式抓斗装置。可以调节抓斗抓取货物的抓取范围。包括直径阔张调节机构、组合式抓斗机构、旋转割断机构、旋转驱动机构、水平平衡机构和随动遮盖防护机构,阔张电机带动主动锥齿轮转动,主动锥齿轮带动多个随动锥形齿轮转动,多个随动锥形齿轮分别带动多个转动丝杆转动使多个组合式抓斗机构进行移动,为多个组合式抓斗机构改变抓取范围以及容量,实现根据需要单次抓取的需求量进行相应的调节,旋转割断机构带动直径阔张调节机构和多个组合式抓斗机构一同转动,将货物与多个组合式抓斗机构外界的粘连处被旋转断开,避免了货物上的粘连物因为没有位于多个组合式抓斗机构内从而出现掉落的危险。(The invention relates to the technical field of grabbing tools, in particular to a rotary-cut type grab bucket device. The grabbing range of the grab bucket for grabbing the goods can be adjusted. The large-opening adjusting mechanism comprises a diameter large-opening adjusting mechanism, a combined grab bucket mechanism, a rotary cutting mechanism, a rotary driving mechanism, a horizontal balance mechanism and a follow-up covering protection mechanism, a large-opening motor drives a driving bevel gear to rotate, the driving bevel gear drives a plurality of follow-up bevel gears to rotate, the plurality of follow-up bevel gears respectively drive a plurality of rotating screw rods to rotate so that the combined grab bucket mechanisms move, the grabbing range and the grabbing capacity of the combined grab bucket mechanisms are changed, corresponding adjustment is carried out according to the demand of single grabbing as required, the rotary cutting mechanism drives the diameter large-opening adjusting mechanism and the combined grab bucket mechanisms to rotate together, goods and external adhesion parts of the combined grab bucket mechanisms are cut off in a rotating mode, and therefore the danger that the adhesion objects on the goods fall off due to the fact that the adhesion objects are not located in the combined grab bucket mechanisms is avoided.)

1. The utility model provides a rotary-cut formula grab bucket device, includes that the diameter is wide opens adjustment mechanism (1), combined type grab bucket mechanism (2), rotatory cut-off mechanism (3), rotary driving mechanism (4), horizontal balance mechanism (5) and follow-up cover protection machanism (6), its characterized in that: modular grab bucket mechanism (2) be provided with a plurality ofly, the equal sliding connection of a plurality of modular grab bucket mechanisms (2) is on the diameter is wide opens adjustment mechanism (1), the diameter is wide opens adjustment mechanism (1) fixed connection in rotatory mechanism (3) bottom of cutting, rotatory mechanism (3) sliding connection of cutting is on rotary driving mechanism (4), rotary driving mechanism (4) fixed connection is in horizontal balance mechanism (5) bottom, follow-up covers protection machanism (6) fixed connection and is wide opens adjustment mechanism (1) and a plurality of modular grab bucket mechanism (2) in the diameter, a plurality of modular grab bucket mechanisms (2) are all wide opens adjustment mechanism (1) through threaded connection with the diameter.

2. A rotary cut grab bucket device as claimed in claim 1, wherein: the diameter wide-open adjusting mechanism (1) comprises a polygonal limiting block (1-1), wide-open slideways (1-2), rotating screw rods (1-3), following conical gears (1-4), wide-open motors (1-5) and driving bevel gears (1-6), wherein the polygonal limiting block (1-1) is provided with a plurality of wide-open slideways (1-2), the plurality of rotating screw rods (1-3) are respectively and rotatably connected in the plurality of wide-open slideways (1-2), the plurality of following conical gears (1-4) are respectively and fixedly connected on the plurality of rotating screw rods (1-3), the driving bevel gears (1-6) are fixedly connected on output shafts of the wide-open motors (1-5), the wide-open motors (1-5) are fixedly connected on the polygonal limiting block (1-1), the plurality of follow-up bevel gears (1-4) are in meshed transmission with the driving bevel gears (1-6).

3. A rotary cut grab bucket device as claimed in claim 2, wherein: the combined grab bucket mechanism (2) comprises an I-shaped connecting beam (2-1), threaded sliding sleeves (2-2), hydraulic oil cylinders (2-3) and grab bucket combined blades (2-4), wherein the top ends of the grab bucket combined blades (2-4) are rotatably connected to the bottom ends of the I-shaped connecting beam (2-1), the threaded sliding sleeves (2-2) are arranged at the top ends of the I-shaped connecting beam (2-1), the hydraulic oil cylinders (2-3) are rotatably connected to the top ends of the I-shaped connecting beam (2-1) and the middle parts of the grab bucket combined blades (2-4), the threaded sliding sleeves (2-2) are respectively connected to the rotating screw rods (1-3) through threads, and the threaded sliding sleeves (2-2) are respectively connected to the wide-open slideways (1-2) in a sliding mode.

4. A rotary cut grab bucket device as claimed in claim 3, wherein: the rotary cutting-off mechanism (3) comprises a rotary sliding platform (3-1), a T-shaped sliding ring (3-2) and a rotary follow-up shaft (3-3), the rotary follow-up shaft (3-3) is fixedly connected to the middle of the rotary sliding platform (3-1), the rotary sliding platform (3-1) is fixedly connected to the rotary sliding platform (3-1), the rotary follow-up shaft (3-3) is located on the central axis of the T-shaped sliding ring (3-2), the T-shaped sliding ring (3-2) is slidably connected to a rotary driving mechanism (4), and a multi-edge limiting block (1-1) is fixedly connected to the bottom end of the rotary sliding platform (3-1).

5. A rotary cut grab bucket device as claimed in claim 4, wherein: the rotary driving mechanism (4) comprises a hanging disc (4-1), a rotary driving motor (4-2) and a T-shaped annular slide way (4-3), the T-shaped annular slide way (4-3) is arranged at the bottom end of the hanging disc (4-1), the rotary driving motor (4-2) is fixedly connected to the central axis of the rotary driving motor (4-2), the T-shaped sliding annular slide way (3-2) is slidably connected to the T-shaped annular slide way (4-3), a rotary follow-up shaft (3-3) is rotatably connected to the bottom end of the hanging disc (4-1), and the rotary follow-up shaft (3-3) is fixedly connected to an output shaft of the rotary driving motor (4-2).

6. A rotary cut grab bucket device as claimed in claim 5, wherein: the horizontal balance mechanism (5) comprises a horizontal suspension plate (5-1), an external suspension (5-2), a universal rotating ball (5-3), a rotating ball sleeve (5-4), a bottom connecting plate (5-5) and buffer springs (5-6), wherein a plurality of buffer springs (5-6) are arranged, the upper end and the lower end of each buffer spring (5-6) are respectively and fixedly connected to the horizontal suspension plate (5-1) and the bottom connecting plate (5-5), the external suspension (5-2) is fixedly connected to the top end of the horizontal suspension plate (5-1), the universal rotating ball (5-3) is fixedly connected to the bottom end of the horizontal suspension plate (5-1), the rotating ball sleeve (5-4) is fixedly connected to the middle part of the top end of the bottom connecting plate (5-5), and the universal rotating ball (5-3) is slidably connected to the universal rotating ball (5-3), the hanging disc (4-1) is fixedly connected with the bottom end of the bottom connecting plate (5-5).

7. A rotary cut grab bucket device as claimed in claim 6, wherein: the follow-up covering protection mechanism (6) comprises a circular connecting plate (6-1), an upper limiting shaft and a lower limiting shaft (6-2), a bottom covering plate (6-3), a sliding shaft sleeve (6-4), a reset tension spring (6-5) and a folding covering umbrella (6-6), wherein the top end of the folding covering umbrella (6-6) is fixedly connected to the bottom end of the sliding shaft sleeve (6-4), the sliding shaft sleeve (6-4) is slidably connected to the upper limiting shaft and the lower limiting shaft (6-2), the top end of the upper limiting shaft and the lower limiting shaft (6-2) is fixedly connected to the circular connecting plate (6-1), the circular connecting plate (6-1) is fixedly connected to the bottom end of the polygonal limiting block (1-1), the bottom covering plate (6-3) is fixedly connected to the bottom end of the upper limiting shaft and the lower limiting shaft (6-2), and the bottom end of the folding covering umbrella (6-6) is fixedly connected, the folding covering umbrella (6-6) is positioned in the middle of the I-shaped connecting beams (2-1), the top end of the sliding shaft sleeve (6-4) is fixedly connected to the bottom end of the reset tension spring (6-5), and the top end of the reset tension spring (6-5) is fixedly connected to the bottom end of the circular connecting plate (6-1).

8. A rotary cut grab bucket device as claimed in claim 7, wherein: the hydraulic oil cylinders (2-3) are synchronously started.

9. A rotary cut grab bucket device as claimed in claim 8, wherein: and the wide opening motor (1-5) and the rotary driving motor (4-2) are respectively provided with a band-type brake.

Technical Field

The invention relates to the technical field of grabbing tools, in particular to a rotary-cut type grab bucket device.

Background

The grab bucket is a special tool for grabbing dry and scattered goods by a crane. Two or more openable bucket-shaped jaws are combined together to form an object containing space, the jaws are closed in a material pile during loading, materials are grabbed into the object containing space, the jaws are opened in a suspended state above the material pile during unloading, the materials are scattered on the material pile, and the opening and closing of the jaws are generally controlled by a steel wire rope of a crane hoisting mechanism. The grab bucket operation has no heavy physical labor, can achieve higher loading and unloading efficiency and ensure safety, and is a main dry bulk cargo loading and unloading tool for ports. According to the types of operation goods, the operation goods can be divided into an ore grab bucket, a coal grab bucket, a grain grab bucket, a wood grab bucket and the like; but the grab bucket that prior art produced, its size is fixed, and the snatching range of snatching the goods can't adjust.

Disclosure of Invention

The invention provides a rotary cutting type grab bucket device which has the beneficial effect that the stable fire ladder can adjust the grabbing range of the grab bucket for grabbing goods.

The invention relates to the technical field of grabbing tools, in particular to a rotary-cut type grab bucket device which comprises a plurality of diameter wide-opening adjusting mechanisms, a combined grab bucket mechanism, a rotary cutting mechanism, a rotary driving mechanism, a horizontal balancing mechanism and a follow-up covering protection mechanism.

As a further optimization of the technical scheme, the diameter wide-open adjusting mechanism of the rotary-cut grab bucket device comprises a polygonal limiting block, wide-open slideways, a rotating lead screw, a following bevel gear, a wide-open motor and a driving bevel gear, wherein the polygonal limiting block is provided with a plurality of wide-open slideways, the rotating lead screws are respectively and rotatably connected into the wide-open slideways, the following bevel gears are respectively and fixedly connected onto the rotating lead screws, the driving bevel gear is fixedly connected onto an output shaft of the wide-open motor, the wide-open motor is fixedly connected onto the polygonal limiting block, and the following bevel gears are in meshing transmission with the driving bevel gear.

As a further optimization of the technical scheme, the combined grab bucket mechanism of the rotary-cut grab bucket device comprises an i-shaped connecting beam, a threaded sliding sleeve, a hydraulic cylinder and a grab bucket combined blade, wherein the top end of the grab bucket combined blade is rotatably connected to the bottom end of the i-shaped connecting beam, the top end of the i-shaped connecting beam is provided with the threaded sliding sleeve, the hydraulic cylinder is rotatably connected to the top end of the i-shaped connecting beam and the middle part of the grab bucket combined blade, the plurality of threaded sliding sleeves are respectively connected to the plurality of rotating lead screws through threads, and the plurality of threaded sliding sleeves are respectively connected to the plurality of wide-open slideways in a.

As a further optimization of the technical solution, the rotary cutting mechanism of the rotary-cut grab bucket device of the present invention includes a rotary sliding platform, a T-shaped sliding ring and a rotary follower shaft, wherein the rotary follower shaft is fixedly connected to the middle of the rotary sliding platform, the rotary sliding platform is fixedly connected to the rotary sliding platform, the rotary follower shaft is located on the central axis of the T-shaped sliding ring, the T-shaped sliding ring is slidably connected to the rotary driving mechanism, and a multi-side limiting block is fixedly connected to the bottom end of the rotary sliding platform.

As a further optimization of the technical scheme, the rotary driving mechanism of the rotary-cut grab bucket device of the invention comprises a hanging disc, a rotary driving motor and a T-shaped annular slideway, wherein the T-shaped annular slideway is arranged at the bottom end of the hanging disc, the rotary driving motor is fixedly connected to a central axis of the rotary driving motor, the T-shaped sliding annular is slidably connected to the T-shaped annular slideway, a rotary follow-up shaft is rotatably connected to the bottom end of the hanging disc, and the rotary follow-up shaft is fixedly connected to an output shaft of the rotary driving motor.

As a further optimization of the technical scheme, the horizontal balance mechanism of the rotary-cut grab bucket device comprises a horizontal suspension plate, an external suspension, a plurality of universal rotating balls, a rotating ball sleeve, a bottom connecting plate and a plurality of buffer springs, wherein the upper end and the lower end of each of the plurality of buffer springs are respectively and fixedly connected to the horizontal suspension plate and the bottom connecting plate, the external suspension is fixedly connected to the top end of the horizontal suspension plate, the universal rotating balls are fixedly connected to the bottom end of the horizontal suspension plate, the rotating ball sleeve is fixedly connected to the middle of the top end of the bottom connecting plate, the universal rotating balls are slidably connected into the universal rotating balls, and a suspension disc is fixedly connected to the bottom end of the bottom connecting plate.

As a further optimization of the technical scheme, the follow-up covering protection mechanism of the rotary-cut grab bucket device comprises a circular connecting plate, an upper limiting shaft, a lower limiting shaft, a bottom covering plate, a sliding shaft sleeve, a reset tension spring and a folding covering umbrella, wherein the top end of the folding covering umbrella is fixedly connected to the bottom end of the sliding shaft sleeve, the sliding shaft sleeve is slidably connected to the upper limiting shaft and the lower limiting shaft, the top end of the upper limiting shaft and the top end of the lower limiting shaft are fixedly connected to the bottom end of a polygonal limiting block, the bottom covering plate is fixedly connected to the bottom end of the upper limiting shaft and the bottom end of the folding covering umbrella is fixedly connected to a plurality of i-shaped connecting beams, the folding covering umbrella is located among the plurality of i-shaped connecting beams, the top end of the sliding shaft sleeve is fixedly connected to.

As a further optimization of the technical scheme, the plurality of hydraulic oil cylinders of the rotary cutting type grab bucket device realize synchronous starting.

As a further optimization of the technical scheme, the wide-open motor and the rotary driving motor of the rotary-cut grab bucket device are both provided with band-type brakes.

The rotary cutting type grab bucket device has the beneficial effects that:

the rotary cutting type grab bucket device can drive the combined grab bucket mechanisms to move through the wide-open motor, so that the combined grab bucket mechanisms are simultaneously far away or close to change the distance between the combined grab bucket mechanisms, the diameter range which can be grabbed by the combined grab bucket mechanisms is changed, the size of the grabbing volume is changed, and the corresponding adjustment can be carried out according to the required quantity of single grabbing; the rotary cutting mechanism and the combined grab bucket mechanisms can be driven to rotate through the rotary driving motor, so that the combined grab bucket mechanisms rotate after grabbing goods, the adhesion parts of the goods and the outside of the combined grab bucket mechanisms are rotationally cut off, adhesion objects on the goods are prevented from leaking to the outside of the combined grab bucket mechanisms in the processes of grabbing, lifting and moving the goods, and the danger that the adhesion objects on the goods fall off because the adhesion objects are not positioned in the combined grab bucket mechanisms is avoided; meanwhile, the foldable covering umbrella can be driven by the combined grab bucket mechanisms to cover the goods from the upper side, so that the problem that when the goods are grabbed by the combined grab bucket mechanisms, the goods scattered by the ore, the coal, the grain and the like fall down from gaps above the combined grab bucket mechanisms to pollute the environment is avoided.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of a rotary cutting type grab bucket device of the present invention.

Fig. 2 is a schematic structural view of a rotary cutting type grab bucket device in another direction.

Fig. 3 is a schematic structural diagram of the diameter expansion adjusting mechanism.

Fig. 4 is a schematic structural view of the diameter expansion adjusting mechanism in another direction.

Fig. 5 is a schematic structural diagram of the combined grab bucket mechanism.

Fig. 6 is a schematic structural view of the rotary cleaving mechanism.

Fig. 7 is a schematic structural view of the rotation driving mechanism.

Fig. 8 is a schematic structural view of the horizontal balancing mechanism.

Fig. 9 is a schematic structural view of the follow-up cover guard mechanism.

In the figure: a diameter widening adjusting mechanism 1; a polygonal limited block 1-1; a wide-open slideway 1-2; rotating the screw rod 1-3; 1-4 of a follow-up bevel gear; 1-5 of a wide-open motor; 1-6 of a drive bevel gear; a combined grab bucket mechanism 2; 2-1 of an I-shaped connecting beam; 2-2 of a threaded sliding sleeve; 2-3 parts of a hydraulic oil cylinder; 2-4 of grab bucket combined blades; a rotary cutting mechanism 3; a rotary sliding platform 3-1; 3-2 of a T-shaped sliding ring; rotating the follow-up shaft 3-3; a rotation drive mechanism 4; a hanging disc 4-1; a rotary drive motor 4-2; 4-3 of a T-shaped circular slideway; a horizontal balancing mechanism 5; 5-1 of a horizontal suspension plate; 5-2 of external suspension; 5-3 of universal rotating ball; rotating the ball sleeve 5-4; 5-5 of a bottom connecting plate; 5-6 parts of buffer spring; a servo-actuated covering protection mechanism 6; a circular connecting plate 6-1; an upper limiting shaft 6-2 and a lower limiting shaft 2; a bottom cover 6-3; 6-4 of a sliding shaft sleeve; 6-5 of a reset tension spring; folding covering umbrella 6-6.

Detailed Description