Replacement and Urging Device for The Bucket Teeth
A replacement and urging device for the bucket teeth of an engineering construction machine, characterized in having:
a adaptor (1), which has a fixing part (11) fixed to a bucket (2) and having an inserting part (12) protruding from the end far from the bucket (2), has a first through hole (121) formed between its two sides and horizontally going through the fixing part (11), and has a limiting part (122) at the center of the first through hole (121);
a bucket teeth (5), which has a slot (51) corresponding to the inserting part (12) on its one end and has a second through hole (52) on both sides thereof, each of the second through holes (52) being disposed opposite to each other and in communications with the slot (51) and the bucket teeth being mounted on the inserting part (12) of the adaptor 1 by its slot (51); and
an engaging unit (7), which is interposed and slides between the first through hole (121) of the adaptor 1 and the second through holes (52) of the bucket teeth (5) so that the bucket teeth (5) is mounted and positioned on the adaptor (1).
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 1 characterized in that the engaging unit (7) includes two stopping posts (3) and an elastic element (4); that each of the stopping posts (3) are inserted into both ends of the first through hole (121) of the inserting part (12), respectively; that one end of the stopping posts (3) protrudes from the first through hole (121) into the corresponding second through hole (52); that each of the stopping posts (3) has a groove (32) on the end inside the first through hole (121); that each of the grooves (32) are formed opposite to each other; and that an elastic element (4) is interposed between the two grooves (32) with both ends thereof located inside the grooves (32) to urge against the corresponding posts (3).
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 2 characterized in that the elastic element (4) is an urging spring.
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 2 characterized in that the elastic element (4) is urethane.
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 2 characterized in that each of the stopping posts is mounted with at least one stopping ring (31) around it so that no alien objects fall via the gap between the stopping posts (3) and the inserting part (12) into the grooves (32) of the stopping posts (3).
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 2 characterized in that the diameter of each of the second through holes (52) is smaller than the outer diameter of the stopping posts (3); that the two opposite sidewalls inside the slot (51) of the bucket teeth (5) have a notch (53) in communications with the second through holes (52); and that a stopping wall (54) is formed between each of the second through holes (52) and the corresponding notch (53) by the diameter difference, the stopping walls (54) stopping the stopping posts (3) in the corresponding notches (53).
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 1 characterized in that the engaging unit (7) consists of two stopping posts (3), each of which is a magnet and inserted into both ends of the first through hole (121) of the inserting part (12), respectively; that each of the stopping posts (3) protrudes from the first through hole (121) into the corresponding second through hole (52); and that the ends of the two stopping posts (3) facing each other inside the first through hole (121) have the same polarity.
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 7 characterized in that each of the stopping posts (3) is mounted with at least one stopping ring (31) around it to prevent alien objects from falling into the stopping posts (3) via the gap between the stopping posts (3) and the inserting part (12).
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 7 characterized in that the diameter of each of the second through holes (52) is smaller than the outer diameter of the stopping posts (3); that the two opposite sidewalls inside the slot (51) of the bucket teeth (5) have notches (53) in communications with the second through hole (52); that a stopping wall (54) is formed between the second through holes (52) and the notches (53) due to the diameter difference; and that each of the stopping posts (3) adheres into the corresponding stopping wall (54) and stops at the corresponding notch (53).
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 1 characterized in that the engaging unit includes two stopping posts (3) and an elastic element (4); each of the stopping posts (3) is inserted into both ends of the first through hole (121) of the inserting part (12), respectively; that one end of the stopping posts (3) protrudes from the first through hole (121) into the corresponding second through hole (52); that the bucket teeth (5) has an inner guiding angle (55) on the side that the second through holes (52) face the slot (51); that each of the stopping posts (3) has an outer guiding angle (33) on the end protruding from the first through hole (121) and facing towards the fixing part (11); that the outer guiding angle (33) attaches onto the inner guiding angle (55) of the second through holes (52) of the bucket teeth (5); that the depth of the outer guiding angle (33) is smaller than the inner guiding angle (55); and that a flexible space (8) is formed between the side of each of the stopping posts (3) other than the outer guiding angle (33) and the inner wall of the second through hole (52) of the bucket teeth (5).
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 10 characterized in that the end of the stopping posts (3) protruding from the first through hole (121) has another outer guiding angle (33) on the other side of the outer guiding angle (33).
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 10 characterized in that the elastic element (4) is an urging spring.
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 10 characterized in that the elastic element (4) is urethane.
The replacement and urging device for the bucket teeth of an engineering construction machine as in claim 10 characterized in that each of the stopping posts (3) is mounted with at least one stopping ring (31) around it to prevent alien objects from falling into the grooves (32) of the stopping posts (3) via the gap between the stopping posts (3) and the inserting part (12).
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