CN119956851B - Lock tooth integral bucket tooth and bucket and electric shovel with same - Google Patents
Lock tooth integral bucket tooth and bucket and electric shovel with sameInfo
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- CN119956851B CN119956851B CN202510328786.8A CN202510328786A CN119956851B CN 119956851 B CN119956851 B CN 119956851B CN 202510328786 A CN202510328786 A CN 202510328786A CN 119956851 B CN119956851 B CN 119956851B
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Abstract
The invention discloses a tooth locking integrated bucket tooth which comprises a tooth root, a tooth seat assembly and a tooth tip assembly, wherein one end of the tooth root is connected with a bucket body, the other end of the tooth root is matched with one end of the tooth seat assembly to enable the tooth root and the tooth seat assembly to have a combined first state and a separated second state, the other end of the tooth seat assembly is matched with one end of the tooth tip assembly to enable the tooth seat assembly and the tooth tip assembly to have a combined third state and a separated fourth state, and the other end of the tooth tip assembly is a free end. The invention has smart structure and reliable connection, and can finish the on-site dismounting work by only matching one hexagonal wrench with one lifting hook in the on-site dismounting process, thereby effectively solving the problems of complex operation, low efficiency and easy falling of the lock pin caused by the defects of the prior art.
Description
Technical Field
The invention relates to a tooth locking integrated bucket tooth, a bucket with the tooth locking integrated bucket tooth and an electric shovel, and belongs to the field of excavating equipment.
Background
The large electric shovel bucket is mainly used for excavating earth and sand on the surface of a surface mine and various blasted rocks and minerals. The bucket tooth is positioned at the forefront end of the bucket, and is mainly used for directly contacting and crushing earth, sand and stones on the excavation surface and various blasted rocks and minerals in the excavation process, and because the bucket tooth directly bears friction force and impact force generated in the excavation process, the bucket tooth is worn greatly, and on the basis of the friction force and impact force, tooth holders and tooth tips in the bucket tooth are usually required to be disassembled, assembled and replaced on the excavation site.
At present, the bucket teeth of the large-scale electric shovel bucket are mainly connected by adopting split type lock pins, and a special tool is usually required for disassembly and assembly, so that the operation is complex, the efficiency is low, and the lock pins are easy to fall off in the disassembly and assembly process, therefore, the integral bucket teeth with lock teeth are adopted, and the operation process is simplified.
Disclosure of Invention
The invention provides a tooth locking integrated bucket tooth, and further provides a bucket and an electric shovel with the tooth locking integrated bucket tooth, wherein a first locking piece is designed in the tooth locking integrated bucket tooth and is connected with a tooth holder through a pin shaft, a second locking piece is designed and is connected with a tooth tip through a lock column, and the tooth holder component and the tooth root and the tooth tip component are respectively pressed by double springs in the connection locking process, so that the whole structure is ingenious, the connection is reliable, and in the on-site dismounting process, the on-site dismounting work can be completed only by matching one hexagonal wrench with one lifting hook, and the problems of complex operation, low efficiency and easiness in falling of a lock pin caused by the defects of the prior art can be effectively solved.
The technical scheme of the invention is as follows:
according to the first aspect of the invention, a tooth locking integrated bucket tooth is provided, which comprises a tooth root 2, a tooth holder assembly 3 and a tooth tip assembly 4, wherein one end of the tooth root 2 is connected with a bucket body 1, the other end of the tooth root 2 is matched with one end of the tooth holder assembly 3 to enable the tooth root 2 and the tooth holder assembly 3 to have a combined first state and a separated second state, the other end of the tooth holder assembly 3 is matched with one end of the tooth tip assembly 4 to enable the tooth holder assembly 3 and the tooth tip assembly 4 to have a combined third state and a separated fourth state, and the other end of the tooth tip assembly 4 is a free end.
Further, the tooth holder assembly 3 comprises a tooth holder 7, a first lock piece 8, a torsion spring 9 and a pin shaft 10, wherein the first lock piece 8 and the tooth holder 7 are connected into a whole through the pin shaft 10, the torsion spring 9 is sleeved on the pin shaft 10, and two torsion arms of the torsion spring 9 are respectively attached to a lower baffle 7-12 of the tooth holder 7 and an upper baffle 11-9 of the lock body 11.
Further, the tooth root 2 comprises a U-shaped groove 2-1, a tooth root head 2-2 and a transverse baffle block 2-3, the non-open end of the U-shaped groove 2-1 is connected with the tooth root head 2-2, the transverse baffle block 2-3 is arranged at the upper part of the tooth root head 2-2, a tooth seat cavity 7-1 of a tooth seat 7 in the tooth seat assembly 3 is sleeved on the tooth root head 2-2 of the tooth root 2, and the transverse baffle block 2-3 on the tooth root 2 is limited to move in the baffle block groove 7-2 of the tooth seat 7 through a block 11-3 of a lock body 11 in a first lock piece 8, so that the tooth seat 7 is fixed on the tooth root head 2-2 of the tooth root 2.
Further, the first lock piece 8 comprises a lock body 11, lock bolts 12, fang Suoxin, a compression spring 14 and a lock column 15; the Fang Suoxin 13 is installed in the lock body 11, the compression spring 14 is installed at the inner end of the third cylindrical hole 13-3 of the square lock cylinder 13, the lock cylinder 15 positioned at the outer end of the third cylindrical hole 13-3 of the square lock cylinder 13 is movably arranged along the axial direction of the third cylindrical hole 13-3 under the action of the compression spring 14, and the ball head 15-2 of the lock cylinder 15 faces to the outer end; the lock cylinder is characterized in that the ball head 15-2 of the lock cylinder 15 is jointed with the first ball head pit 11-8 of the lock body 11 and is pressed under the action of the compression spring 14, the ball head 15-2 of the lock cylinder 15 is matched with the first annular groove 11-7 of the lock body 11, the Fang Suoxin is provided with rotary motion, the rack 12-2 of the lock tongue 12 arranged in the lock body 11 is meshed with the gear 13-2 of the square lock cylinder 13, the lock tongue 12 is driven to be movably arranged along the first preset direction through the rotary motion of the square lock cylinder 13, the lock tongue 12 is separated from or jointed with the longitudinal baffle 7-11 of the tooth holder 7, when the lock tongue 12 is jointed with the longitudinal baffle 7-11 of the tooth holder 7, at least part of the lock body 11 extends into the baffle groove 7-2 of the tooth holder 7 to limit the transverse baffle 2-3 of the tooth root 2 to move in the baffle groove 7-2 of the tooth holder 7, and when the lock tongue 12 is in a separated state with the longitudinal baffle 7-11 of the tooth holder 7, the lock body 11 extends into the baffle groove 7-2, and the lock body 11 is moved out of the baffle 3 of the tooth holder 7.
Further, the tooth tip assembly 4 comprises a tooth tip 16 and a second locking piece 17, the tooth tip 16 comprises a tooth tip body 16-3, a tooth tip cavity 16-1 is formed in one side, facing the tooth base assembly 3, of the tooth tip body 16-3 and is used for being sleeved on a tooth base head 7-9 at the other end of the tooth base assembly 3, second locking piece mounting portions are arranged on two opposite sides of the tooth tip body 16-3 along a first preset direction and are communicated with the tooth tip cavity 16-1, the second locking piece 17 is arranged in the second locking piece mounting portion, and the second locking piece 17 is enabled to have a fifth state of extending into a conical groove 7-10 formed in the tooth base head 7-9 and a sixth state of moving out of the conical groove 7-10 through movement of the second locking piece 17 along the first preset direction.
Further, the second lock mounting portion includes a second rectangular cavity 16-7 and a fourth cylindrical hole 16-8 sequentially arranged from the inner side to the outer side, and a second ball-end pit 16-4 and a second annular groove 16-5 of a periphery Xiang Sheyou of the fourth cylindrical hole 16-8 are used for being matched with the lock column 15 in the second lock 17.
Further, the second locking piece 17 comprises a lock head 18, a cover plate 19, a locking piece 20, a large compression spring 21, a round lock cylinder 22, a compression spring 14 and a lock cylinder 15; the compression spring 14 is arranged at the inner end of the sixth cylindrical hole 22-3 of the round lock cylinder 22, the lock cylinder 15 positioned at the outer end of the sixth cylindrical hole 22-3 of the round lock cylinder 22 is movably arranged along the axial direction of the sixth cylindrical hole 22-3 under the action of the compression spring 14, and the ball head 15-2 of the lock cylinder 15 faces to the outer end; the ball head 15-2 of the lock cylinder 15 is jointed with the second ball head pit 16-4 to realize compression under the action of the compression spring 14, the ball head 15-2 is matched with the second annular groove 16-5 to enable the round lock cylinder 22 to have rotary motion, the screw rod 22-2 of the round lock cylinder 22 is meshed with the screw rod nut 20-2 of the lock block 20, the third rectangular block 20-1 of the lock block 20 is installed in the third rectangular cavity 18-3 at one end of the lock cylinder 18, the cover plate 19 is fixed at the end part of the third rectangular cavity 18-3 of the lock cylinder 18, the third rectangular block 20-1 of the lock block 20 is limited in the third rectangular cavity 18-3 of the lock cylinder 18, the cover plate 19 and the large compression spring 21 are installed in the second rectangular cavity 16-7, one end of the large compression spring 21 is sleeved on the outer circle of the screw rod nut 20-2 of the lock block 20, the other end of the large compression spring 21 is jointed with the cover plate 19, the third rectangular block 20-1 is jointed with the inner end surface of the second rectangular cavity 16-7, the third rectangular block 20-1 is installed in the round lock cylinder 22-8 through the rotary motion of the round lock cylinder 22-8, the locking head 18 is driven to extend into/out of the conical recess 7-10.
According to a second aspect of the present invention there is provided a bucket comprising a tooth lock integrated tooth, the tooth lock integrated tooth being any one of the tooth lock integrated teeth described above.
According to a third aspect of the present invention, there is provided an electric shovel comprising a bucket, the bucket being as described above.
The beneficial effects of the invention are as follows:
According to the invention, the tooth holder is connected with the first locking piece into a whole through the pin shaft, and the tooth tip is connected with the second locking piece into a whole through the lock column, so that the lockset is prevented from falling off in the process of on-site disassembly and assembly; in the connecting and locking process, the ball head of the lock column is pressed into the ball head pit of the lock body through the compression spring to realize the positioning of the square lock cylinder, the lock tongue is pressed onto the longitudinal stop block of the tooth holder through the torsion spring, thereby fixing the tooth holder on the tooth root head of the tooth holder, the ball head of the lock column is pressed into the ball head pit of the tooth tip through the compression spring to realize the positioning of the round lock cylinder, the conical raised head of the lock head is pressed into the conical groove of the tooth holder through the large compression spring, thereby fixing the tooth tip on the tooth holder head of the tooth holder, the structure is ingenious, the connection is reliable, in the on-site dismounting process, the on-site dismounting work can be completed by only matching one hexagonal wrench, the operation process is simplified, the work efficiency is improved, the square sheath made of wear-resistant rubber is clamped into the clamping groove of the tooth holder through the buckle, the round sheath made of wear-resistant rubber is clamped into the annular clamping groove of the tooth tip through the annular buckle to respectively protect the first lock piece and the second lock piece, the abrasion and corrosion of the lock cylinder are avoided, and the flexible rotation of the square lock cylinder and the round lock cylinder is ensured.
Drawings
FIG. 1 is a schematic view of the construction of a bucket of the present invention;
FIG. 2 is a schematic view of the structure of the tooth locking integrated bucket tooth of the invention;
FIG. 3 is a schematic view of the construction of the tooth root of the present invention;
FIG. 4 is a schematic view of the structure of the toothholder assembly of the present invention;
FIG. 5 is a cross-sectional view of a tooth holder assembly of the present invention;
FIG. 6 is a schematic view of the structure of the tooth holder of the present invention;
FIG. 7 is a cross-sectional view of a tooth holder of the present invention;
FIG. 8 is a schematic view of the first locking element of the present invention;
FIG. 9 is a cross-sectional view of a first lock of the present invention;
FIG. 10 is a schematic view of the structure of the lock body of the present invention;
FIG. 11 is a schematic view of the structure of the locking bolt of the present invention;
FIG. 12 is a schematic view of the structure of the square lock cylinder of the present invention;
FIG. 13 is a schematic view of the structure of the lock cylinder of the present invention;
FIG. 14 is a schematic view of the structure of the pin of the present invention;
FIG. 15 is a schematic view of the construction of the square jacket of the present invention;
FIG. 16 is a schematic view of the structure of the tooth tip assembly of the present invention;
FIG. 17 is a schematic view of the structure of the tooth tip of the present invention;
FIG. 18 is a partial cross-sectional view of a point round keyhole portion of the present invention;
FIG. 19 is a schematic view of the second locking element of the present invention;
FIG. 20 is a cross-sectional view of a second lock of the present invention;
FIG. 21 is a schematic view of the structure of the lock of the present invention;
FIG. 22 is a schematic view of the structure of the cover plate of the present invention;
FIG. 23 is a schematic view of the structure of the lock block of the present invention;
FIG. 24 is a schematic view of the round lock cylinder of the present invention;
Fig. 25 is a schematic view of the round jacket of the present invention.
The reference numerals in the drawings: 1-bucket body, 2-tooth root, 2-1-U-shaped groove, 2-2-tooth root head, 2-3-transverse block, 3-tooth holder component, 4-tooth tip component, 5-square sheath, 5-1-first sheath body, 5-2-first tear tab, 5-3-buckle, 6-round sheath, 6-1-second tear tab, 6-2-second sheath body, 6-3-annular buckle, 7-tooth holder, 7-1-tooth holder cavity, 7-2-block groove, 7-3-first cylindrical hole, 7-4-first threaded hole, 7-5-clamping groove, 7-6-lock cavity, 7-7-first tear opening, 7-8-first lifting lugs, 7-9-toothholder heads, 7-10-conical grooves, 7-11-longitudinal baffle blocks, 7-12-lower baffle plates, 8-first locking pieces, 9-torsion springs, 10-pin shafts, 10-1-positioning rods, 10-2-polished rods, 10-3-threaded rods, 10-4-first hexagonal holes, 11-lock bodies, 11-1-lugs, 11-2-lugs, 11-3-blocks, 11-4-second cylindrical holes, 11-5-first rectangular cavities, 11-6-limiting plates, 11-7-first annular grooves and 11-8-first ball pits, 11-9-upper baffle plate, 12-lock tongue, 12-1-first rectangular block, 12-2-rack, 13-square lock cylinder, 13-1-first cylinder, 13-2-gear, 13-3-third cylinder, 13-4-second hexagonal hole, 14-compression spring, 15-lock cylinder, 15-1-second cylinder, 15-2-ball, 16-tooth point, 16-1-tooth point cavity, 16-2-second lifting lug, 16-3-tooth point body, 16-4-second ball head pit, 16-5-second annular groove, 16-6-second hand tearing port, 16-7-second rectangular cavity, 16-8-fourth cylindrical hole, 16-9-annular clamping groove, 17-second locking piece, 18-tapered lock, 18-1-tapered raised head, 18-2-second rectangular block, 18-3-third rectangular cavity, 18-4-second threaded hole, 19-cover plate, 19-1-cover plate body, 19-2-fifth cylindrical hole, 19-3-countersunk hole, 20-locking piece, 20-1-third rectangular block, 20-2-lead screw nut, 21-large compression spring, 22-round lock cylinder, 22-1-third cylinder, 22-2-lead screw, 22-3-sixth cylindrical hole, 22-4-third hexagonal hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be arbitrarily combined with each other.
1-25, According to a first aspect of the embodiment of the present invention, a tooth locking integrated bucket tooth is provided, which comprises a tooth root 2, a tooth holder assembly 3 and a tooth tip assembly 4, wherein one end of the tooth root 2 is connected with a bucket body 1, the other end of the tooth root 2 is matched with one end of the tooth holder assembly 3, so that the tooth root 2 and the tooth holder assembly 3 have a combined first state and a separated second state, the other end of the tooth holder assembly 3 is matched with one end of the tooth tip assembly 4, so that the tooth holder assembly 3 and the tooth tip assembly 4 have a combined third state and a separated fourth state, and the other end of the tooth tip assembly 4 is a free end.
Further, as shown in fig. 4 and 5, the tooth holder assembly 3 includes a tooth holder 7, a first lock member 8, a torsion spring 9 and a pin shaft 10, wherein the first lock member 8 and the tooth holder 7 are connected into a whole through the pin shaft 10, the torsion spring 9 is sleeved on the pin shaft 10, and two torsion arms of the torsion spring 9 are respectively attached to a lower baffle 7-12 of the tooth holder 7 and an upper baffle 11-9 of the lock body 11.
Further, as shown in fig. 2 and 3, the tooth root 2 comprises a U-shaped groove 2-1, a tooth root head 2-2 and a transverse baffle block 2-3, the non-open end of the U-shaped groove 2-1 is connected with the tooth root head 2-2, the transverse baffle block 2-3 is arranged at the upper part of the tooth root head 2-2, a tooth seat cavity 7-1 of a tooth seat 7 in the tooth seat assembly 3 is sleeved on the tooth root head 2-2 of the tooth root 2, and the transverse baffle block 2-3 on the tooth root 2 is limited to move in the baffle block groove 7-2 of the tooth seat 7 through a block 11-3 of a lock body 11 in the first lock piece 8, so that the tooth seat 7 is fixed on the tooth root head 2-2 of the tooth root 2.
Further, as shown in fig. 8 and 9, the first lock member 8 includes a lock body 11, lock bolts 12, fang Suoxin, a compression spring 14, and a lock cylinder 15;
The Fang Suoxin is arranged in the lock body 11, the compression spring 14 is arranged at the inner end of the third cylindrical hole 13-3 of the square lock cylinder 13, the lock cylinder 15 positioned at the outer end of the third cylindrical hole 13-3 of the square lock cylinder 13 is movably arranged along the axial direction of the third cylindrical hole 13-3 under the action of the compression spring 14, and the ball head 15-2 of the lock cylinder 15 faces to the outer end;
The rack 12-2 of the lock tongue 12 installed in the lock body 11 is meshed with the gear 13-2 of the square lock cylinder 13, the lock tongue 12 is driven to be movably arranged along a first preset direction through the rotation movement of the square lock cylinder 13, the lock tongue 12 is separated from or attached to the longitudinal stop 7-11 of the tooth holder 7, when the lock tongue 12 is attached to the longitudinal stop 7-11 of the tooth holder 7, at least part of the lock body 11 extends into the stop groove 7-2 of the tooth holder 7 to limit the transverse stop 2-3 of the tooth root 2 to move in the stop groove 7-2 of the tooth holder 7, and when the lock tongue 12 is separated from the longitudinal stop 7-11 of the tooth holder 7, the part of the lock body 11 extending into the stop groove 7-2 is moved out, so that the tooth root 2 and the tooth holder assembly 3 are unlocked.
Further, as shown in fig. 6 and 7, a tooth seat cavity 7-1, a stop block groove 7-2, a first cylindrical hole 7-3, a first threaded hole 7-4, a stop block groove 7-5, a lock cavity 7-6, a first hand tearing opening 7-7, a first lifting lug 7-8, a tooth seat head 7-9, a conical groove 7-10, a longitudinal stop block 7-11 and a lower baffle 7-12 are arranged on the tooth seat 7, the tooth seat cavity 7-1 is arranged on one side, close to the tooth root 2, of the tooth seat 7, the stop block groove 7-2 is positioned on the upper part of the tooth seat cavity 7-1 and is communicated with the tooth root 7-1, a lock cavity 7-6 is arranged on the upper part of the tooth seat 7, the lower baffle 7-12 is formed by the aid of the tooth seat cavity 7-1, the stop block groove 7-2 and the lock cavity 7-6, the lower baffle 7-12 is flush with the upper end face of the stop block groove 7-2, a first threaded hole 7-4 arranged along a second preset direction is arranged on one side, close to the tooth root 7-6, the first threaded hole 7-4 is communicated with the lock cavity 7-6, the tooth seat 7-6 is arranged on the other side, close to the tooth root 7-6, the first side is communicated with the lock cavity 7-6, the first threaded hole 7-9 is arranged on the other side, and is arranged on the other side, close to the tooth cavity 7-6, and is communicated with the tooth cavity 7-2, and is arranged on the side, and is coaxial with the first side 7 groove 7-7.
Further, as shown in fig. 10, the lock body 11 includes a block 11-3, two sides of one end of the block 11-3 are provided with ear plates 11-1 extending along a first preset direction, the two ear plates 11-1 are in an opening structure and open towards the torsion spring 9, ear holes 11-2 arranged along a second preset direction are formed in the ear plates, a limiting plate 11-6 extending along the first preset direction is arranged at the other end of the block 11-3, the limiting plate 11-6 and a longitudinal stop block 7-11 in the tooth holder 7 are arranged in parallel, a first rectangular cavity 11-5 is formed in one side, close to the limiting plate 11-6, of the block 11-3 for installing a lock tongue 12, and a first annular groove 11-7 and a first ball head pit 11-8 which are arranged along the circumferential direction are formed in the second cylindrical hole 11-4 for being matched with a lock post 15 in the first lock member 8.
Further, as shown in fig. 11, the lock tongue 12 includes a first rectangular block 12-1 and a rack 12-2, wherein the rack 12-2 is arranged along one side of the first rectangular block 12-1 in a first preset direction in an extending manner, and the tooth side of the rack 12-2 is meshed with the gear 13-2 of the square lock cylinder 13.
Further, as shown in fig. 12, the square lock cylinder 13 includes a first cylinder 13-1 and a gear 13-2, one end of the first cylinder 13-1 is provided with a second hexagonal hole 13-4, the other end of the first cylinder 13-1 is connected with the gear 13-2 through a shaft, a third cylinder hole 13-3 arranged along the radial direction is formed on the circumferential side of the first cylinder 13-1, the ball head 15-2 of the lock cylinder 15 positioned in the third cylinder hole 13-3 is attached to the first ball head pit 11-8 of the lock body 11, the fixation of the square lock cylinder 13 and the lock body 11 is achieved through the compression effect of the compression spring 14, and the ball head 15-2 of the lock cylinder 15 is matched with the first annular groove 11-7 of the lock body 11, and is inserted into the second hexagonal hole 13-4 through a hexagonal wrench, so that the Fang Suoxin has a rotational motion.
Further, as shown in fig. 13, the lock cylinder 15 includes a second cylinder 15-1 and a ball head 15-2, wherein one end of the second cylinder 15-1 is connected with one end of the compression spring 14, the other end of the second cylinder 15-1 is connected with a planar end of the ball head 15-2, and a curved end of the ball head 15-2 is a free end.
Further, as shown in fig. 14, the pin 10 includes a positioning rod 10-1, a polish rod 10-2, and a threaded rod 10-3 sequentially connected from one end to the other, a first hexagonal hole 10-4 is provided at an end of the threaded rod 10-3, the pin 10 is screwed into the first threaded hole 7-4 of the tooth holder 7 through the threaded rod 10-3, passes through the ear hole 11-2 of the lock body 11 through the polish rod 10-2, and is connected with the first cylindrical hole 7-3 of the tooth holder 7 through the positioning rod 10-1, so as to connect the first lock 8 with the tooth holder 7 as a whole.
Further, as shown in FIG. 15, the utility model also comprises a square sheath 5, wherein the square sheath 5 comprises a first sheath body 5-1, a first tearing piece 5-2 and a buckle 5-3, the square sheath 5 is made of wear-resistant rubber, the first sheath body 5-1 of the square sheath 5 is arranged at the top end of a lock cavity 7-6 of the tooth holder 7, the first tearing piece 5-2 of the square sheath 5 is arranged at the first tearing opening 7-7 of the tooth holder 7, and the buckle 5-3 of the square sheath 5 is clamped in the clamping groove 7-5 of the tooth holder 7 to protect the first locking piece 8.
When the tooth holder assembly 3 is disassembled, the first lifting lug 7-8 of the tooth holder 7 is hooked by a hanging hook to prevent the tooth holder assembly 3 from falling off in the disassembly process, then the hand tearing piece 5-2 is lifted from the first hand tearing opening 7-7 of the tooth holder 7, and the square sheath 5 is torn forcefully, so that the buckle 5-3 withdraws from the clamping groove 7-5 of the tooth holder 7, and the lower sheath 5 is torn; the square lock cylinder 13 is inserted into the second hexagonal hole 13-4 by a hexagonal wrench, the square lock cylinder 13 is rotated anticlockwise, the second cylinder 15-1 of the lock cylinder 15 overcomes the pressure of the compression spring 14 and slides towards the bottom of the hole in the third cylinder hole 13-3 of the square lock cylinder 13, the ball head 15-2 of the lock cylinder 15 slides to the first annular groove 11-7 from the first ball head pit 11-8 of the lock body 11, so that the square lock cylinder 13 can rotate anticlockwise along the first annular groove 11-7, the gear 13-2 of the square lock cylinder 13 drives the lock tongue 12 to slide leftwards in the first rectangular cavity 11-5 of the lock body 11 by driving the rack 12-2, so that the first rectangular block 12-1 of the lock tongue 12 leaves the longitudinal baffle plate 7-11 of the tooth holder 7, the upper torsion arm of the torsion spring 9 drives the upper baffle plate 11-9 of the lock body 11 to rotate upwards around the pin shaft 10, so that the block 11-3 of the lock body 11 leaves the baffle plate 7-2 of the tooth holder 7, the lifting hook is pushed along the length direction of the tooth, the tooth lifting hook 7-8 drives the tooth assembly 3 to leave the tooth root 7-2 along the length direction of the tooth 2, and the tooth assembly 2-3 moves from the tooth root 2 along the length direction of the tooth 2-3, and the tooth 2-3 is removed from the tooth 2-3, and the tooth assembly 2 is removed from the tooth 2-3, the tooth root 2 and the tooth holder assembly 3 are provided with a second state of separation.
When the tooth holder assembly 3 is installed, the first lifting lug 7-8 of the tooth holder 7 is hooked by the lifting hook, the tooth holder assembly 3 is lifted to the front of the tooth root head 2-2 of the tooth root 2, the lifting hook is pushed along the length direction of the bucket tooth, the tooth holder assembly 3 is driven by the first lifting lug 7-8 to move along the length direction of the bucket tooth, and the tooth holder cavity 7-1 and the stop block groove 7-2 of the tooth holder 7 are sleeved on the tooth root head 2-2 of the tooth root 2 and the transverse block 2-3; the first lock 8 is pressed downwards, so that the limiting plate 11-6 of the lock body 11 is pressed on the longitudinal stop 7-11 of the tooth holder 7, the block 11-3 of the lock body 11 is in a stop groove 7-2 of the tooth holder 7 to stop the transverse stop 2-3 of the tooth root 2, a hexagonal wrench is inserted into the second hexagonal hole 13-4 to rotate the square lock cylinder 13 clockwise, the second cylinder 15-1 of the lock column 15 overcomes the pressure of the compression spring 14 to slide towards the bottom of the hole in the third cylindrical hole 13-3 of the square lock cylinder 13, the ball 15-2 of the lock column 15 slides from the first ball pit 11-8 of the lock body 11 to the first annular groove 11-7, so that the square lock cylinder 13 can rotate clockwise along the first annular groove 11-7, the gear 13-2 of the square lock cylinder 13 drives the lock tongue 12 to slide rightwards in the first rectangular cavity 11-5 of the lock body 11 by driving the rack 12-2, so that the first rectangular block 12-1 of the lock tongue 12 slides to the bottom of the third cylindrical hole 13-3 of the square lock cylinder 13 against the pressure of the compression spring 14, the ball 15-2 slides from the first ball pit 11-8 of the lock body 11 to the first annular groove 11-7, and then slides from the ball pit 11-7 to the first annular groove 11-7, the upper torsion arm of the torsion spring 9 drives the upper baffle plate 11-9 of the lock body 11 to drive the lock body 11 to rotate upwards around the pin shaft 10 under the action of the compression spring 14, so that the first rectangular block 12-1 of the lock tongue 12 is tightly attached to the lower surface of the longitudinal stop block 7-11 of the tooth holder 7, the block 11-3 of the lock body 11 is ensured to block the transverse block 2-3 of the tooth root 2 in the stop block groove 7-2 of the tooth holder 7, the tooth holder assembly 3 is locked on the tooth root head 2-2 of the tooth root 2, the square sheath 5 is placed on the lock body cavity 7-6 of the tooth holder 7 and pressed downwards, the buckle 5-3 of the square sheath 5 is clamped in the clamping groove 7-5 of the tooth holder 7, and accordingly the installation work of the tooth holder assembly 3 is completed, and the tooth root 2 and the tooth holder assembly 3 have a combined first state.
Further, as shown in fig. 16-20, the tooth tip assembly 4 includes a tooth tip 16 and a second lock 17;
The tooth tip 16 comprises a tooth tip body 16-3, a tooth tip cavity 16-1 is formed in one side, facing the tooth holder assembly 3, of the tooth tip body 16-3 and is used for being sleeved on a tooth holder head 7-9 at the other end of the tooth holder assembly 3, second lock piece installation parts are arranged on two opposite sides of the tooth tip body 16-3 along a first preset direction and are communicated with the tooth tip cavity 16-1, the second lock piece 17 is installed in the second lock piece installation parts, and the second lock piece 17 is enabled to have a fifth state of extending into a conical groove 7-10 formed in the tooth holder head 7-9 and a sixth state of moving out of the conical groove 7-10 through movement of the second lock piece 17 along the first preset direction.
The second lock piece 17 comprises a lock head 18, a cover plate 19, a lock block 20, a large compression spring 21, a round lock cylinder 22, a compression spring 14 and a lock column 15;
The second lock mounting part comprises a second rectangular cavity 16-7 and a fourth cylindrical hole 16-8 which are sequentially arranged from the inner side to the outer side, and a second ball head pit 16-4 and a second annular groove 16-5 at the periphery Xiang Sheyou of the fourth cylindrical hole 16-8 are used for being matched with a lock column 15 in the second lock 17;
the compression spring 14 is arranged at the inner end of a sixth cylindrical hole 22-3 of the round lock cylinder 22, a lock cylinder 15 positioned at the outer end of the sixth cylindrical hole 22-3 of the round lock cylinder 22 is movably arranged along the axial direction of the sixth cylindrical hole 22-3 under the action of the compression spring 14, and a ball head 15-2 of the lock cylinder 15 faces to the outer end;
the screw rod 22-2 of the round lock cylinder 22 is meshed with the screw rod nut 20-2 of the lock block 20, the third rectangular block 20-1 of the lock block 20 is installed in the third rectangular cavity 18-3 at one end of the lock head 18, the cover plate 19 is fixed at the end part of the third rectangular cavity 18-3 of the lock head 18 through countersunk screws, and the third rectangular block 20-1 of the lock block 20 is limited in the third rectangular cavity 18-3 of the lock head 18;
The lock head 18, the cover plate 19 and the large compression spring 21 are arranged in the second rectangular cavity 16-7, the large compression spring 21 is sleeved on the outer circle of the screw nut 20-2 of the lock block 20, one end of the large compression spring 21 is attached to the cover plate 19, and the other end is attached to the inner end surface of the second rectangular cavity 16-7;
The lock head 18 is driven to extend into/out of the tapered recess 7-10 by the rotational movement of the cylinder 22.
Further, a second lifting lug 16-2 is arranged on the tooth tip body 16-3, and an annular clamping groove 16-9 and a second hand-tearing opening 16-6 are arranged on the periphery of the fourth cylindrical hole 16-8 and are used for being matched with the round sheath 6.
Further, as shown in fig. 21, the lock head 18 includes a tapered protruding head 18-1 and a second rectangular block 18-2 sequentially disposed from one end to the other end, the second rectangular block 18-2 is provided with a third rectangular cavity 18-3 and an opening facing the round lock core 22, and a second threaded hole 18-4 is disposed on a peripheral side of the second rectangular block 18-2 located in the third rectangular cavity 18-3 for connecting the cover plate 19.
Further, as shown in fig. 22, the cover 19 includes a cover body 19-1, a fifth cylindrical hole 19-2 is formed in the center of the cover body 19-1, and a countersunk hole 19-3 is formed on the peripheral side of the cover body 19-1 located in the fifth cylindrical hole 19-2 and used for connecting with the lock head 18.
Further, as shown in fig. 23, the locking piece 20 includes a third rectangular piece 20-1 and a screw nut 20-2 mounted on one side of the third rectangular piece 20-1, wherein the third rectangular piece 20-1 is mounted in a third rectangular cavity 18-3 at one end of the lock head 18, and the cover plate 19 is fixed at the end of the third rectangular cavity 18-3 of the lock head 18 by a countersunk screw, so as to limit the third rectangular piece 20-1 of the locking piece 20 in the third rectangular cavity 18-3 of the lock head 18.
Further, as shown in fig. 24, the round lock cylinder 22 includes a third cylinder 22-1, a screw rod 22-2 mounted at one end of the third cylinder 22-1, a sixth cylinder hole 22-3 radially disposed at the circumferential side of the third cylinder 22-1, a third hexagonal hole 22-4 disposed at the other end of the third cylinder 22-1, the screw rod 22-2 meshed with the screw rod nut 20-2 of the lock block 20, and a tapered protrusion 18-1 of the lock head 18 driven by the rotational movement of the third cylinder 22-1 to be inserted into the tapered groove 7-10 of the tooth holder 7, thereby fixing the tooth tip 16 on the tooth holder head 7-9 of the tooth holder 7, and otherwise, moving out.
Further, as shown in FIG. 25, the novel anti-abrasion protection device further comprises a circular sheath 6, wherein the circular sheath 6 comprises a second hand-tearing sheet 6-1, a second sheath body 6-2 and an annular buckle 6-3, the circular sheath 6 is made of abrasion-resistant rubber, the second sheath body 6-2 of the circular sheath 6 is arranged at the outer end of a fourth cylindrical hole 16-8 of the tooth tip 16, the second hand-tearing sheet 6-1 of the circular sheath 6 is arranged at the second hand-tearing opening 16-6 of the tooth tip 16, and the annular buckle 6-3 of the circular sheath 6 is clamped in an annular clamping groove 16-9 of the tooth tip 16 to protect a second locking piece 17.
When the tooth tip assembly 4 is disassembled, the second lifting lug 16-2 of the tooth tip 16 is hooked by a hanging hook, so that the tooth tip assembly 4 is prevented from falling off in the disassembly process, then the hand tearing piece 6-1 is lifted from the second hand tearing opening 16-6 of the tooth tip 16, and the round sheath 6 is torn forcibly, so that the annular buckle 6-3 is withdrawn from the annular clamping groove 16-9 of the tooth tip 16, and the round sheath 6 is torn off; the hexagonal wrench is inserted into the third hexagonal hole 22-4, the round lock cylinder 22 is rotated clockwise, the second cylinder 15-1 of the lock cylinder 15 overcomes the pressure of the compression spring 14 and slides towards the hole bottom in the sixth cylindrical hole 22-3 of the round lock cylinder 22, the ball 15-2 of the lock cylinder 15 slides from the second ball head pit 16-4 of the tooth tip 16 to the second annular groove 16-5, so that the round lock cylinder 22 can rotate clockwise along the second annular groove 16-5, the screw rod 22-2 of the round lock cylinder 22 drives the lock block 20 to slide outwards in the third rectangular cavity 18-3 of the lock head 18 through driving the screw rod nut 20-2, the lock head 18 is driven to slide outwards in the second rectangular cavity 16-7 of the tooth tip 16, the conical convex head 18-1 of the lock head 18 is separated from the conical groove 7-10 of the tooth base 7, namely, the hook is pushed in the sixth state, the tooth tip assembly 4 is driven to move along the length direction of the tooth tip 16-2, the tooth base 7 is driven to withdraw from the tooth tip 9 of the tooth base 16-16 through the second ball head pit 16-2, and the tooth base assembly 4 is detached from the tooth base assembly 4.
When the tooth tip assembly 4 is installed, the second lifting lug 16-2 of the tooth tip 16 is hooked by a lifting hook, the tooth tip assembly 4 is lifted to the front of the tooth holder head 7-9 of the tooth holder 7, the lifting hook is pushed along the length direction of the bucket tooth, the tooth tip assembly 4 is driven by the second lifting lug 16-2 to move along the length direction of the bucket tooth, and the tooth tip cavity 16-1 of the tooth tip 16 is sleeved on the tooth holder head 7-9 of the tooth holder 7; the round lock cylinder 22 is inserted into the third hexagonal hole 22-4 by a hexagonal wrench, the round lock cylinder 22 is rotated anticlockwise, the second cylinder 15-1 of the lock cylinder 15 overcomes the pressure of the compression spring 14 and slides towards the hole bottom in the sixth cylindrical hole 22-3 of the round lock cylinder 22, the ball 15-2 of the lock cylinder 15 slides from the second ball pit 16-4 of the tooth tip 16 to the second annular groove 16-5, so that the round lock cylinder 22 can rotate anticlockwise along the second annular groove 16-5, the screw 22-2 of the round lock cylinder 22 drives the lock block 20 to slide inwards in the third rectangular cavity 18-3 of the lock cylinder 18 by driving the screw nut 20-2, and then drives the lock cylinder 18 to slide inwards in the second rectangular cavity 16-7 of the tooth tip 16, so that the conical convex head 18-1 of the lock cylinder 18 slides into the conical groove 7-10 of the tooth seat 7, namely, in a fifth state, the ball 15-2 of the lock cylinder 15 slides from the second annular groove 16-5 to the second ball pit 16-4 by using the hexagonal wrench square 13, and further clings to the conical convex head 18-1 of the lock cylinder 18 under the action of the compression spring 14 and the pressure of the second rectangular cavity 18-3 is further clings to the conical concave groove 7-7 of the tooth tip 7, the method comprises the steps of locking the tooth point assembly 4 on the tooth holder head 7-9 of the tooth holder 7, and placing the round sheath 6 on the outer side of the cylinder 16-8 of the tooth point 16 to press inwards, so that the annular buckle 6-3 of the round sheath 6 is clamped in the annular clamping groove 16-9 of the tooth point 16, and the installation work of the tooth point assembly 4 is completed, and the tooth holder assembly 3 and the tooth point assembly 4 are in a combined third state.
According to a second aspect of an embodiment of the present invention, there is provided a bucket comprising a tooth-lock integrated tooth, the tooth-lock integrated tooth being any one of the tooth-lock integrated teeth described above. During specific installation, the U-shaped groove 2-1 of the tooth root 2 in the lock tooth integrated bucket tooth is installed on the front end bucket lip of the lower part of the bucket body 1 through welding.
According to a third aspect of embodiments of the present invention, there is provided an electric shovel comprising a bucket, the bucket being as described above.
The working principle of the invention is as follows:
The first lock 8 is unlocked, a hexagonal wrench is used for inserting the square lock cylinder 13 into the second hexagonal hole 13-4, the square lock cylinder 13 is rotated anticlockwise, the second cylinder 15-1 of the lock cylinder 15 overcomes the pressure of the compression spring 14 and slides towards the bottom of the hole in the third cylinder hole 13-3 of the square lock cylinder 13, the ball 15-2 of the lock cylinder 15 slides from the first ball pit 11-8 of the lock body 11 to the first annular groove 11-7, so that the square lock cylinder 13 can rotate anticlockwise along the first annular groove 11-7, the gear 13-2 of the square lock cylinder 13 drives the lock tongue 12 to slide leftwards in the first rectangular cavity 11-5 of the lock body 11 through driving the rack 12-2, the first rectangular block 12-1 of the lock tongue 12 leaves the longitudinal block 7-11 of the tooth seat 7, the upper torsion arm of the torsion spring 9 drives the upper baffle 11-9 of the lock body 11 under the action of torsion force, and drives the lock body 11 to rotate upwards around the pin 10, so that the block 11-3 of the lock body 11 leaves the block 7-2 of the tooth seat 7, and the unlocking function of the first lock 8 is achieved.
The first locking piece 8 is locked, the first locking piece 8 is pressed downwards, the limiting plate 11-6 of the lock body 11 is pressed on the longitudinal stop 7-11 of the tooth holder 7, the square lock cylinder 13 is rotated clockwise by inserting a hexagonal wrench into the second hexagonal hole 13-4, the second cylinder 15-1 of the lock column 15 overcomes the pressure of the compression spring 14 and slides towards the bottom of the hole in the third cylindrical hole 13-3 of the square lock cylinder 13, the ball 15-2 of the lock column 15 slides from the first ball pit 11-8 of the lock body 11 to the first annular groove 11-7, the square lock cylinder 13 can rotate clockwise along the first annular groove 11-7, the gear 13-2 of the square lock cylinder 13 drives the lock tongue 12 to slide rightwards in the first rectangular cavity 11-5 of the lock body 11 through the driving rack 12-2, the first rectangular block 12-1 of the lock tongue 12 moves to the lower side of the longitudinal stop 7-11 of the tooth holder 7, the ball 15-2 of the lock column 15 is finely adjusted by the hexagonal wrench to slide downwards from the first ball pit 11-8 of the lock body 11 to the first annular groove 11-7, the lock body 11-9 is driven by the driving rack 12-2, the function of the lock tongue 12 is guaranteed to rotate tightly against the first rectangular cavity 11-11, and the function of the lock body 11-11 is guaranteed to rotate tightly against the first rectangular cavity 11-11, and the first rectangular cavity 11-is tightly pressed against the first rectangular cavity 11-11, and the first rectangular cavity 11 is tightly pressed against the first round stop 11 is tightly against the first rectangular hole 11, and the first round stop 11 is tightly pressed against the first round stop 11, and the first round stop is tightly against the first round stop 11.
The second lock piece 17 is unlocked, a hexagonal wrench is used for inserting the third hexagonal hole 22-4, the round lock core 22 is rotated clockwise, the second cylinder 15-1 of the lock cylinder 15 overcomes the pressure of the compression spring 14 and slides towards the bottom of the hole in the sixth cylindrical hole 22-3 of the round lock core 22, the ball head 15-2 of the lock cylinder 15 slides from the second ball head pit 16-4 of the tooth tip 16 to the second annular groove 16-5, so that the round lock core 22 can rotate clockwise along the second annular groove 16-5, the screw rod 22-2 of the round lock core 22 drives the lock block 20 to slide outwards in the third rectangular cavity 18-3 of the lock head 18 through driving the screw rod nut 20-2, and then drives the lock head 18 to slide outwards in the second rectangular cavity 16-7 of the tooth tip 16, so that the conical convex head 18-1 of the lock head 18 leaves the conical groove 7-10 of the tooth seat 7, and the unlocking function of the second lock piece 17 is realized.
The second lock piece 17 is locked, a hexagonal wrench is used for being inserted into the third hexagonal hole 22-4, the round lock core 22 is rotated anticlockwise, the second cylinder 15-1 of the lock column 15 overcomes the pressure of the compression spring 14 and slides towards the bottom of the hole in the sixth cylindrical hole 22-3 of the round lock core 22, the ball 15-2 of the lock column 15 slides from the second ball pit 16-4 of the tooth tip 16 to the second annular groove 16-5, so that the round lock core 22 can rotate anticlockwise along the second annular groove 16-5, the screw 22-2 of the round lock core 22 drives the lock block 20 to slide inwards in the third rectangular cavity 18-3 of the lock head 18 through driving the screw nut 20-2, and then drives the lock head 18 to slide inwards in the second rectangular cavity 16-7 of the tooth tip 16, so that the conical raised head 18-1 of the lock head 18 slides into the conical groove 7-10 of the tooth seat 7, the ball 15-2 of the lock column 15 slides from the second annular groove 16-5 to the second ball pit 16-4 through the hexagonal wrench fine tuning the round lock core 13, and the pressure of the second ball pit 16-4 of the compression spring 14 further presses against the conical raised head 18-1 of the second round lock core 18 under the action of the compression spring 18, and the conical raised head 18-1 is further tightly pressed against the conical groove 7-7 of the second lock piece.
While the present invention has been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
While the present invention has been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510328786.8A CN119956851B (en) | 2025-03-19 | 2025-03-19 | Lock tooth integral bucket tooth and bucket and electric shovel with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510328786.8A CN119956851B (en) | 2025-03-19 | 2025-03-19 | Lock tooth integral bucket tooth and bucket and electric shovel with same |
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| Publication Number | Publication Date |
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| CN119956851A CN119956851A (en) | 2025-05-09 |
| CN119956851B true CN119956851B (en) | 2025-11-11 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN218116615U (en) * | 2022-08-29 | 2022-12-23 | 徐州天立机械有限公司 | Bucket body for coal mine underground shovel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3151537U (en) * | 2009-04-16 | 2009-06-25 | 榮慶 柯 | Device for exchanging and exchanging teeth for excavation of construction equipment for construction |
| JOP20200019A1 (en) * | 2011-07-14 | 2017-06-16 | Esco Group Llc | Wear assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN218116615U (en) * | 2022-08-29 | 2022-12-23 | 徐州天立机械有限公司 | Bucket body for coal mine underground shovel |
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