Locking mechanism, detachable excavator bucket assembly and excavator bucket device

Abstract

The invention relates to a locking mechanism, a detachable excavator bucket assembly and an excavator bucket device.The locking mechanism comprises a locking cylinder and a tight fit locking hole, and the detachable excavator bucket assembly comprises a cutting board, a tooth holder, a tooth holder locking piece, bucket teeth, a bucket tooth locking piece, a side cover plate and a side cover plate locking piece; the detachable tight fit arrangement of the cutting board and the tooth holder, the cutting board and the side cover plate and the tooth holder and the bucket tooth is achieved, the maintenance and replacement efficiency of the excavator bucket device is improved, and the maintenance cost is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of industrial machinery accessories, and in particular relates to a locking mechanism, a detachable bucket assembly and a bucket device. Background Art

[0002] The bucket device is a common component in engineering machinery. The bucket teeth of the bucket device will produce a lot of collisions and frictions with the materials to be excavated during operation. Since the objects handled by the bucket device are generally heavy and high-strength materials, such collisions and frictions will cause a very large impact on the bucket teeth, and the speed and degree of wear and damage of the bucket teeth of the bucket device are relatively high. The tooth seats of existing bucket devices are welded to the blade, and the bucket teeth are connected to the tooth seats. However, in such a setting, once one or two bucket teeth or tooth seats are damaged, the tooth seats need to be cut off, new tooth seats need to be re-welded, and new bucket teeth need to be installed, resulting in a large loss of manpower, material resources and financial resources.

[0003] Regarding the connection between bucket teeth and tooth holders, there is also a connection in the prior art that realizes the detachable connection of bucket teeth through pin connection. The Chinese invention patent publication CN108222115A discloses an excavator bucket tooth, which connects bucket teeth and tooth holders through pins. However, after working for a period of time, the connection part will be slightly worn due to the slight movement between them, which will cause the bucket teeth to be unstable, shake up and down or left and right, and then reduce the working effect of the bucket and strengthen the wear. Therefore, it is a technical problem that needs to be solved urgently to develop a reliable tight-fitting detachable locking mechanism and bucket assembly. Summary of the invention

[0004] In view of the above technical problems, the purpose of the present invention is to propose a detachable locking mechanism, a detachable bucket assembly and a bucket device that can achieve tight fit between the tooth seat and the blade, the side cover plate and the blade, and the bucket tooth and the tooth seat.

[0005] This is achieved through the following technical means:

[0006] A locking mechanism comprises a locking cylinder and a tight-fitting locking hole, wherein the locking cylinder comprises an upper semi-cylinder, a rubber connector and a lower semi-cylinder; the upper semi-cylinder and the lower semi-cylinder are two semi-cylinders with the same diameter and length formed by longitudinally cutting the same cylinder from the middle, and the rubber connector is arranged between the upper semi-cylinder and the lower semi-cylinder and fixedly connected to the upper semi-cylinder and the lower semi-cylinder.

[0007] The tight-fit locking holes are provided in plurality, and the physical axis center lines of the plurality of tight-fit locking holes coincide.

[0008] The overall diameter of the locking cylinder in a natural state is D1, and the diameter of the tight-fitting locking hole is D2, satisfying D1≥D2.

[0009] The upper semi-cylinder and the lower semi-cylinder both include a tail end and a start end, wherein the tail end is a semi-cylindrical structure and the start end is a semi-conical structure.

[0010] The overall thickness of the rubber connector is T1, satisfying D1: T1 = (2.6-3.5): (0.8-1.2).

[0011] Preferably, a plurality of protrusions are provided on the arc surface of the upper semi-cylinder, a straight line formed between the top ends of the plurality of protrusions is parallel to the physical axis of the locking cylinder, and the plurality of protrusions are a combination of one or more of a hemisphere, an arc-shaped blade plate or a cone.

[0012] Further preferably, there are two protrusions, and the protrusion near the tail end of the two protrusions is a hemispherical structure, and the protrusion near the starting end is an arc-shaped knife plate body structure. The inclined surface of the protrusion of the arc-shaped knife plate body structure on the side near the starting end is a plane or an arc surface with the center of the circle facing the tail end, and the inclined surface of the protrusion of the arc-shaped knife plate body structure on the side away from the starting end is an arc surface with the center of the circle facing the tail end. Such an arrangement makes it easier to knock the entire locking cylinder into the tight-fitting locking hole along the position of the groove, and the protrusion and the groove also achieve a tight fit.

[0013] A groove is provided on the tight-fitting locking hole, and the groove is used to accommodate a protrusion provided on the arc surface of the upper semi-cylinder. The depth of the groove is L1, and the height of the protrusion is H1, satisfying L1≥H1.

[0014] Preferably, the rubber connector is made of rubber, composite rubber or other elastic materials, and the upper semi-cylinder and the lower semi-cylinder are made of steel or other rigid materials.

[0015] Preferably, the width of the rubber connector is smaller than the diameter of the upper semi-cylinder or the lower semi-cylinder, and the length of the rubber connector is smaller than the length of the upper semi-cylinder or the lower semi-cylinder.

[0016] A detachable bucket assembly comprises a blade, a tooth seat, a tooth seat locking piece, bucket teeth, a bucket tooth locking piece, a side cover plate and a side cover plate locking piece.

[0017] The front edge of the body of the knife plate is provided with a plurality of tooth seat grooves, a plurality of side cover plate grooves, a plurality of tooth seat locking holes and a plurality of side cover plate locking holes, and the tooth seat grooves and the side cover plate grooves are both arc-shaped grooves.

[0018] The tooth seat locking hole and the side cover plate locking hole are tight-fitting locking holes of the locking mechanism.

[0019] The tooth seat includes a knife plate locking part and a bucket tooth locking part, the knife plate locking part is used to lock with the knife plate, the knife plate locking part includes an upper plate part, a lower plate part, an arc-shaped protrusion part and a first knife plate locking hole, the arc-shaped protrusion part is arranged between the upper plate part and the lower plate part, the arc-shaped protrusion is matched with the arc-shaped groove shape of the tooth seat groove, so that the knife plate locking part of the tooth seat is clamped into the tooth seat groove through the arc-shaped protrusion part, the first knife plate locking hole is a tight-fitting locking hole of the above-mentioned locking mechanism, and the first knife plate locking hole is arranged on the upper plate part and the lower plate part; the bucket tooth locking part is used to lock with the bucket tooth through the bucket tooth locking piece.

[0020] The tooth seat locking piece is the locking cylinder of the above-mentioned locking mechanism, and the tooth seat locking piece can sequentially penetrate the first knife plate locking hole of the upper plate part, the tooth seat locking locking hole and the first knife plate locking hole of the lower plate part.

[0021] The bucket tooth comprises a tip portion and a locking connection portion, wherein the tip portion is the working portion of the bucket tooth, and the locking connection portion is a hollow structure, and the locking connection portion locks the bucket tooth and the tooth seat through the bucket tooth locking piece and the bucket tooth locking portion of the tooth seat.

[0022] The side cover plate includes an upper wear-resistant plate, a lower wear-resistant plate and a wear-resistant block, the wear-resistant block is arranged between the upper wear-resistant plate and the lower wear-resistant plate, the wear-resistant block includes a wear-resistant end at an outer end and an arc-shaped convex body at an inner end, the arc-shaped convex body matches the shape of the arc-shaped groove of the side cover plate groove, so that the side cover plate is clamped into the side cover plate groove through the arc-shaped convex body, and second knife plate locking holes are relatively opened on the upper wear-resistant plate and the lower wear-resistant plate, and the second knife plate locking hole is a tight-fitting locking hole of the above-mentioned locking mechanism.

[0023] The side cover plate locking piece is the locking column of the above-mentioned locking mechanism, and the side cover plate locking piece can sequentially penetrate the second blade plate locking hole of the upper wear-resistant plate, the side cover plate locking hole and the second blade plate locking hole of the lower wear-resistant plate.

[0024] Preferably, the bucket tooth locking portion includes a conical portion and a first bucket tooth locking hole, the structure of the conical portion cooperates with the hollow structure of the locking connection portion of the bucket tooth, the conical portion is used to extend into and fill the hollow structure of the locking connection portion, the first bucket tooth locking hole is through-opened at the connection between the bucket tooth locking portion and the blade locking portion, and the first bucket tooth locking hole is a tight-fitting locking hole of the above-mentioned locking mechanism.

[0025] Second bucket tooth locking holes are respectively provided on the upper side wall and the lower side wall opposite to the locking connection part of the bucket tooth.

[0026] The bucket tooth locking piece is the locking column of the above-mentioned locking mechanism, and the bucket tooth locking piece can sequentially penetrate the second bucket tooth locking hole opened on the upper side wall of the locking connection part, the first bucket tooth locking hole and the second bucket tooth locking hole opened on the lower side wall of the locking connection part.

[0027] Preferably, the bucket tooth locking member comprises an upper half crescent lock and a lower half crescent lock.

[0028] The upper semi-crescent lock comprises an upper semi-crescent arc portion, a U-shaped locking portion and a bolt tightening member, the U-shaped locking portion comprises a U-shaped opening portion and a U-shaped bottom end, the bolt tightening member is clamped in the middle of the U-shaped opening portion; the longitudinal section of the upper semi-crescent arc portion is a semi-crescent shape, and the wider end of the semi-crescent shape is connected to the U-shaped bottom end of the U-shaped locking portion; the bolt tightening member comprises a nut portion and a screw portion, the screw portion passes through the U-shaped opening portion, the diameter of the nut portion is larger than the narrowest part of the width of the U-shaped opening portion, the nut portion can be loosened or tightened on the screw portion, and can apply downward pressure to the U-shaped locking portion when tightening.

[0029] The lower semi-crescent lock includes a lower semi-crescent arc portion and an arc-shaped hook portion, the longitudinal section of the arc-shaped hook portion is a semi-crescent shape, the longitudinal section of the lower semi-crescent arc portion is a semi-crescent shape, and the wider end of the semi-crescent of the lower semi-crescent arc portion is connected to the wider end of the semi-crescent of the arc-shaped hook portion, and the radius of the semi-crescent inner arc of the arc-shaped hook portion is smaller than the radius of the semi-crescent inner arc of the lower semi-crescent arc portion.

[0030] The bucket tooth locking portion includes a cone portion and a double-crescent accommodating groove. The structure of the cone portion matches the hollow structure of the locking connection portion of the bucket tooth. The cone portion is used to extend into and fill the hollow structure of the locking connection portion. The double-crescent accommodating groove is arranged at the upper side and / or lower side of the connection between the bucket tooth locking portion and the blade locking portion. The double-crescent accommodating groove is used to accommodate the bucket tooth locking piece, and the bottom arc of the double-crescent accommodating groove matches the outer arc of the lower semi-crescent arc portion; the bottom end of the screw portion is connected to the bottom end of the double-crescent accommodating groove.

[0031] A lower half-crescent arc-shaped portion accommodating groove is provided on the upper side wall and / or lower side wall opposite to the locking connection portion of the bucket tooth. In the locked state, the arc-shaped hook portion of the lower half-crescent lock can abut against the inner side wall of the lower half-crescent arc-shaped portion accommodating groove.

[0032] Preferably, the tip of the bucket tooth is a solid multi-faceted cone structure.

[0033] Preferably, the locking connection portion of the bucket tooth further comprises a skirt structure, and the skirt structure is used for covering the outer edge portion of the bucket tooth locking portion of the accommodating tooth seat.

[0034] Preferably, the detachable bucket assembly further comprises a positioning block, and the positioning block is arranged on the blade at the connecting position between the blade locking portion of the gear seat and the blade.

[0035] A bucket device comprises the above-mentioned detachable bucket assembly.

[0036] A method for installing a detachable bucket assembly, wherein the detachable bucket assembly is the above-mentioned detachable bucket assembly, comprises the following steps:

[0037] (1) A plurality of alternating tooth seat grooves and side cover plate grooves are obtained by cutting at the front edge of the blade body, wherein the depth of the tooth seat groove is greater than the depth of the side cover plate groove.

[0038] (2) The upper plate portion and the lower plate portion of the tooth seat are respectively clamped to the upper and lower portions of the blade, and the arc-shaped protrusion portion is inserted into the groove of the tooth seat, and the first blade plate locking hole and the tooth seat locking hole are arranged on the same axis, wherein the distance between the upper plate portion and the lower plate portion is equal to the thickness of the blade, and the length of the arc-shaped protrusion is equal to the depth of the tooth seat groove; the upper wear-resistant plate and the lower wear-resistant plate of the side cover plate are respectively clamped to the upper and lower portions of the blade, and the arc-shaped protrusion is inserted into the groove of the side cover plate, and the second blade plate locking hole and the side cover plate locking hole are arranged on the same axis, wherein the distance between the upper wear-resistant plate and the lower wear-resistant plate is equal to the thickness of the blade, and the length of the arc-shaped protrusion is equal to the depth of the groove of the side cover plate.

[0039] (3) Then, the starting end of the tooth seat locking piece is vertically inserted into the locking hole of the first blade plate, and the position of the protrusion of the tooth seat locking piece is opposite to the position of the groove on the first blade plate locking hole, and then a knocking force is applied to the tail end of the tooth seat locking piece. Through multiple knocks, the tooth seat locking piece is knocked into the first blade plate locking hole and the tooth seat locking hole as a whole; at the same time, the starting end of the side cover plate locking piece is vertically inserted into the second blade plate locking hole, and the position of the protrusion of the side cover plate locking piece is opposite to the position of the groove on the second blade plate locking hole, and then a knocking force is applied to the tail end of the side cover plate locking piece. Through multiple knocks, the side cover plate locking piece is knocked into the second blade plate locking hole and the side cover plate locking hole as a whole.

[0040] (4) According to the method of step (3), all the tooth seat locking parts are knocked into the first blade plate locking hole and the tooth seat locking hole as a whole, and all the side cover plate locking parts are knocked into the second blade plate locking hole and the side cover plate locking hole as a whole, so that all the tooth seats are tightly connected with the blade plate, and all the side cover plates are tightly connected with the blade plate.

[0041] (5) The locking connection part of the bucket tooth is clamped with the conical part of the bucket tooth locking part of the tooth seat, and the second bucket tooth locking hole on the upper side wall and the lower side wall of the locking connection part and the first bucket tooth locking hole of the bucket tooth locking part are arranged on the same axis, and then the starting end of the bucket tooth locking piece is vertically inserted into the second bucket tooth locking hole, and the position of the protrusion of the bucket tooth locking piece is aligned with the position of the groove on the second bucket tooth locking hole, and then a knocking force is applied to the rear end of the bucket tooth locking piece. Through multiple knocks, the bucket tooth locking piece is knocked into the second bucket tooth locking hole and the first bucket tooth locking hole as a whole.

[0042] or

[0043] Place the lower crescent lock in the double crescent accommodating groove, and the placement direction is that the narrower end of the lower crescent arc portion faces the direction of the blade, then the locking connection portion of the bucket tooth is clamped with the conical portion of the bucket tooth locking portion of the tooth seat, and the lower crescent arc portion accommodating groove is connected with the tail end of the double crescent accommodating groove, and then the upper crescent lock is inserted into the top of the lower crescent lock through the part of the double crescent accommodating groove at the outer end of the bucket tooth, and then the nut part is tightened, and the arc-shaped return hook portion of the lower crescent lock is gradually turned into the lower crescent arc-shaped portion accommodating groove and the arc-shaped return hook portion is against the inner wall of the lower crescent arc-shaped portion accommodating groove.

[0044] (6) All bucket teeth are tightly connected to the tooth seats in the manner of step (5) to obtain a detachable bucket assembly.

[0045] The range limitations such as “up”, “down”, “left”, “right”, “front”, “back” and “middle” described in the present invention are all relative positions under specific conditions, rather than absolute positions, and do not limit the range of devices and components.

[0046] The technical effects of the present invention are:

[0047] 1. The present invention provides a locking cylinder formed by a combination of elastic material and rigid material, and by setting the diameter of the locking cylinder in a natural state to be equal to or slightly larger than the diameter of the tight-fitting locking hole, the difference between the two is basically maintained at 0 to 1.5 mm. When the two need to be matched, the locking cylinder is knocked into the tight-fitting locking hole by knocking. Since the rubber connector of the locking cylinder has a certain elasticity, the rubber connector is compressed by the upper and lower cylinders during the knocking process, so that it can enter the tight-fitting locking. At the same time, due to the elastic properties of the rubber connector, the locking cylinder entering the tight-fitting locking hole always maintains an outward expansion state, so that the tight fit of the locking cylinder and the tight-fitting locking hole can be achieved. The detachable tight fit between the blade and the tooth seat, the blade and the side cover plate, and the tooth seat and the bucket tooth is achieved. The replacement cycle when one or more bucket teeth are damaged or worn is greatly simplified, and there is no need to replace the tooth seat, and only the bucket teeth need to be replaced in a detachable manner.

[0048] 2. The present invention provides multiple tooth seat grooves and multiple side cover plate grooves with arc grooves on the front edge of the blade body, and each arc groove is respectively connected with the arc convex part of the tooth seat and the arc convex body of the side cover plate, thereby strengthening the combination stability of the tooth seat and the side cover plate with the blade. During the processing, the blade is first processed with multiple tooth seat grooves and multiple side cover plate grooves with arc grooves. The tooth seat grooves match the structure of the arc convex part of the tooth seat, and the side cover plate grooves match the structure of the arc convex body of the side cover plate to form a position limit in this direction, thereby combining the tight fit locking of the expandable locking column and the tight fit locking hole and the position limit in another direction of the positioning block, so that the tooth seat and the side cover plate can be firmly and detachably fixed on the blade in a way that the positions are limited in all directions and the tight fit is adopted. The tight fit setting greatly reduces the wear between the components. When there is a slight wear, the service life can be greatly extended by continuously repairing the part. By specifically limiting the proportional relationship between the overall thickness of the rubber connector and the locking cylinder, when a tight fit is performed inside the tight-fitting locking hole, a tight-fitting mode without mutual displacement can be ensured for a long time within the diameter difference range of the locking cylinder and the tight-fitting locking hole of the present invention. Too much rubber connector will produce too large an expansion force and also too large a compression bearing range, which will cause mutual displacement during collision or work. Too little rubber connector will produce too small an expansion force, which will also cause mutual displacement during collision or work due to insufficient expansion force. The present invention limits a reasonable range interval, which is closely coordinated with the specific structure of the present invention.

[0049] 3. In one preferred embodiment, through the upper half crescent lock and the lower half crescent lock of two specific structures arranged up and down, combined with the cooperation of the lower half crescent arc accommodating groove of the bucket tooth and the double crescent accommodating groove of the tooth seat, the bucket tooth and the tooth seat are tightly locked by the crescent arc compression locking, and this locking can be tightened in real time after loosening under various circumstances, thereby realizing a detachable tight fit between the bucket tooth and the tooth seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 It is a structural schematic diagram of the locking cylinder of the locking mechanism of the present invention.

[0051] Figure 2 It is a schematic diagram of the cross-section structure of the locking mechanism of the present invention.

[0052] Figure 3 An exploded schematic diagram of a detachable bucket assembly according to an embodiment of the present invention.

[0053] Figure 4 The figure is a schematic assembly diagram of a detachable bucket assembly according to an embodiment of the present invention.

[0054] Figure 5 It is a schematic structural diagram of a knife plate according to an embodiment of the present invention.

[0055] Figure 6 The figure is a schematic diagram of the three-dimensional structure of a gear holder according to an embodiment of the present invention.

[0056] Figure 7 It is a right side structural schematic diagram of a gear holder according to an embodiment of the present invention.

[0057] Figure 8 It is a schematic diagram of the front structural view of a gear seat according to an embodiment of the present invention.

[0058] Fig. 9 It is a schematic diagram of the three-dimensional structure of a bucket tooth according to an embodiment of the present invention.

[0059] Fig.10 It is a right side structural schematic diagram of a bucket tooth according to an embodiment of the present invention.

[0060] Fig.11 The figure is a schematic diagram of the three-dimensional structure of an edge cover plate according to an embodiment of the present invention.

[0061] Fig.12 It is a schematic diagram of the right side structure of an edge cover plate according to an embodiment of the present invention.

[0062] Fig.13 This is an exploded schematic diagram of a tooth holder, bucket teeth and bucket tooth locking member according to another embodiment of the present invention.

[0063] Fig.14 It is a schematic assembly diagram of a tooth holder, bucket teeth and bucket tooth locking member according to another embodiment of the present invention.

[0064] Fig.15 It is a schematic diagram of the three-dimensional structure of a gear holder according to another embodiment of the present invention.

[0065] Fig.16 This is a schematic structural diagram of an upper half crescent lock from a top-down perspective in another embodiment of the present invention.

[0066] Fig.17 This is a schematic structural diagram of an upper half crescent lock from a side upward viewing angle in another embodiment of the present invention.

[0067] Fig.18 This is a schematic diagram of the three-dimensional structure of the lower half of the crescent lock side according to another embodiment of the present invention.

[0068] Fig.19 It is a schematic diagram of the three-dimensional structure of a bucket tooth according to another embodiment of the present invention.

[0069] in:

[0070] 001-locking cylinder; 011-upper half cylinder; 012-rubber connector; 013-lower half cylinder; 014-protrusion; 015-tail end; 016-start end; 002-tight fitting locking hole; 021-groove;

[0071] 100-blade plate; 101-tooth seat groove; 102-side cover plate groove; 103-tooth seat locking hole; 104-side cover plate locking hole; 105-body front edge;

[0072] 200-tooth seat; 201-knife plate locking part; 211-upper plate part; 212-lower plate part; 213-arc-shaped protrusion part; 214-first knife plate locking hole; 202-bucket tooth locking part; 221-cone part; 222-first bucket tooth locking hole; 223-double crescent accommodating groove;

[0073] 300-tooth seat locking piece;

[0074] 400- bucket tooth; 401- tip; 402- locking connection portion; 421- second bucket tooth locking hole; 422- lower half crescent arc portion receiving groove, 423- skirt structure;

[0075] 500-bucket tooth locking piece; 501-upper half crescent lock; 511-upper half crescent arc-shaped part; 512-U-shaped locking part; 513-bolt tightening piece; 5131-nut part; 5132-screw part; 502-lower half crescent lock; 521-lower half crescent arc-shaped part; 522-arc-shaped hook part;

[0076] 600-side cover plate; 601-upper wear-resistant plate; 602-lower wear-resistant plate; 621-second blade locking hole; 603-wear-resistant block; 631-wear-resistant end; 632-arc convex body;

[0077] 700-side cover locking piece;

[0078] 800-Positioning block. DETAILED DESCRIPTION

[0079] The process technology scheme of the present invention is further described below by combining embodiments and drawings. Specific embodiments Unless otherwise described, each feature is only an example of a series of equivalent or similar features. It is only to help understand the present invention. Those skilled in the art should understand that the embodiments are only to help understand the present invention and should not be regarded as specific limitations of the present invention.

[0080] Example 1

[0081] like Figure 1 and Figure 2 A locking mechanism shown in FIG. 1 includes a locking cylinder 001 and a tight-fitting locking hole 002, such as Figure 1The locking cylinder 001 shown includes an upper semi-cylinder 011, a rubber connector 012 and a lower semi-cylinder 013; the upper semi-cylinder 011 and the lower semi-cylinder 013 are two semi-cylinders with the same diameter and length formed by longitudinally cutting the same cylinder from the middle, and the rubber connector 012 is arranged between the upper semi-cylinder 011 and the lower semi-cylinder 013, and is fixedly connected to the upper semi-cylinder 011 and the lower semi-cylinder 013.

[0082] In practical applications, each locking mechanism needs to coaxially set a plurality of the tight-fitting locking holes 002 , and the physical axis lines of the plurality of tight-fitting locking holes 002 coincide with each other.

[0083] The overall diameter of the locking cylinder 001 in a natural state is D1 (the overall diameter of the central portion of the locking cylinder 001 ), and the diameter of the tight-fitting locking hole 002 is D2, satisfying D1≥D2. That is, in the natural state, the diameter of the locking cylinder 001 is slightly larger than the diameter of the tight-fitting locking hole 002, and the difference between the two is basically maintained at 0.08 to 1.5 mm. When the two need to fit together, the locking cylinder 001 is knocked into the tight-fitting locking hole 002 by knocking. Since the rubber connector 012 of the locking cylinder 001 has a certain elasticity, the rubber connector 012 is compressed by the upper semi-cylinder 011 and the lower semi-cylinder 013 during the knocking process, so that it can enter into the tight-fitting locking. At the same time, due to the elastic properties of the rubber connector 012, the locking cylinder 001 that enters the tight-fitting locking hole 002 always maintains an outwardly expanded state, thereby achieving a tight fit between the locking cylinder 001 and the tight-fitting locking hole 002.

[0084] like Figure 1 As shown, the upper semi-cylinder 011 and the lower semi-cylinder 013 both include a tail end 015 and a start end 016, wherein the tail end 015 is a semi-cylindrical structure, and the start end 016 is a semi-conical structure, the start end 016 is used to be inserted into the tight-fitting locking hole 002, and the tail end 015 is used to knock the entire locking cylinder 001 into the tight-fitting locking hole 002 by knocking.

[0085] The overall thickness of the rubber connector 012 is T1, satisfying D1: T1 = (2.6-3.5): (0.8-1.2), for example, D1 is 3.2 times of T1. This arrangement enables the compression of the rubber connector to more significantly form an outward expansion pressure in the tight-fitting locking hole 002.

[0086] like Figure 1 and Figure 2As shown, a plurality of protrusions 014 are provided on the arc surface of the upper semi-cylinder 011, a straight line formed between the top ends of the plurality of protrusions 014 is parallel to the physical axis of the locking cylinder 001, and the plurality of protrusions 014 are a combination of one or more of a hemisphere, an arc-shaped blade plate or a cone.

[0087] like Figure 2 As shown, a groove 021 is provided on the tight-fit locking hole 002, and the groove 021 is used to accommodate the protrusion 014 provided on the arc surface of the upper semi-cylinder 011. The depth of the groove 021 is L1, and the height of the protrusion 014 is H1, and L1≥H1 is satisfied. That is, it is ensured that the groove 021 can completely accommodate the protrusion 014, so that the groove 021 can accommodate the protrusion 014, thereby ensuring that the locking cylinder 001 does not rotate in the tight-fit locking hole 002.

[0088] In an optional embodiment, the rubber connector 012 may be made of rubber, composite rubber or other elastic materials. In an optional embodiment, the upper semi-cylinder 011 and the lower semi-cylinder 013 may be made of steel (eg, stainless steel, wear-resistant steel, etc.) or other rigid materials.

[0089] In an optional embodiment, if Figure 1 and Figure 2 As shown, the width of the rubber connector 012 is smaller than the diameter of the upper semi-cylinder 011 or the lower semi-cylinder 013, and the length of the rubber connector 012 is smaller than the length of the upper semi-cylinder 011 or the lower semi-cylinder 013. Such a configuration allows the rubber connector 012 of the extruded portion to have other accommodating areas during the compression fit process.

[0090] Example 2

[0091] like Figures 3 to 12 As shown, this embodiment shows a detachable bucket assembly using the locking mechanism of embodiment 1, such as Figure 3 and Figure 4 As shown, the detachable bucket assembly of this embodiment includes a blade 100 , a tooth seat 200 , a tooth seat locking piece 300 , bucket teeth 400 , bucket tooth locking piece 500 , a side cover plate 600 and a side cover plate locking piece 700 .

[0092] As an example, Figure 5 As shown, the front edge portion 105 of the blade 100 is provided with a plurality of tooth seat grooves 101 (eg Figure 5 5 are shown in FIG. ), a plurality of side cover plate 600 grooves 102 (eg Figure 5 4 are shown in FIG. ), multiple tooth seat locking holes 103 (eg Figure 5 5 are shown in the figure) and a plurality of locking holes 104 (eg Figure 5 5 as shown in the figure), such as Figure 5 As shown, the tooth seat groove 101 and the side cover plate 600 groove 102 are both arc-shaped grooves.

[0093] The tooth seat locking hole 103 and the side cover plate 600 locking hole 104 are the tight-fitting locking holes 002 of the locking mechanism described in Example 1.

[0094] As an example, Figure 6 , Figure 7 and Figure 8 As shown, the tooth seat 200 includes a blade locking portion 201 and a bucket tooth locking portion 202, the blade locking portion 201 is used to lock with the blade 100, the blade locking portion 201 includes an upper plate portion 211, a lower plate portion 212, an arc-shaped protrusion portion 213 and a first blade locking hole 214, the arc-shaped protrusion portion 213 is arranged between the upper plate portion 211 and the lower plate portion 212, and the arc of the arc-shaped protrusion and the tooth seat groove 101 is The shape of the arc-shaped groove matches, so that the blade locking portion 201 of the tooth seat 200 is clamped into the tooth seat groove 101 through the arc-shaped protrusion portion 213, the first blade locking hole 214 is the tight-fitting locking hole 002 of the locking mechanism described in Example 1, and the first blade locking hole 214 is set through the upper plate portion 211 and the lower plate portion 212; the bucket tooth locking portion 202 is used to lock with the bucket tooth 400 through the bucket tooth locking member 500.

[0095] like Figure 3 As shown, the tooth seat locking piece 300 is the locking cylinder 001 of the locking mechanism described in Example 1, and the tooth seat locking piece 300 can sequentially penetrate the first blade locking hole 214 of the upper plate part 211, the tooth seat locking locking hole and the first blade locking hole 214 of the lower plate part 212.

[0096] As an example, Fig. 9 and Fig.10 As shown, the bucket tooth 400 includes a tip 401 and a locking connection part 402, wherein the tip 401 is the working part of the bucket tooth 400 (i.e., the part in contact with the material to be excavated by the bucket device), and the locking connection part 402 is a hollow structure, and the locking connection part 402 locks the bucket tooth and the tooth holder through the bucket tooth locking member 500 and the bucket tooth locking part 202 of the tooth holder 200.

[0097] As an example, Fig.11 and Fig.12As shown, the side cover plate 600 includes an upper wear-resistant plate 601, a lower wear-resistant plate 602 and a wear-resistant block 603, the wear-resistant block 603 is arranged between the upper wear-resistant plate 601 and the lower wear-resistant plate 602, the wear-resistant block 603 includes a wear-resistant end 631 at the outer end and an arc-shaped protrusion 632 at the inner end, the arc-shaped protrusion 632 matches the arc-shaped groove shape of the groove 102 of the side cover plate 600, so that the side cover plate 600 is clamped into the groove 102 of the side cover plate 600 through the arc-shaped protrusion 632, and second knife plate locking holes 621 are relatively opened on the upper wear-resistant plate 601 and the lower wear-resistant plate 602, and the second knife plate locking hole 621 is a tight-fitting locking hole 002 of the locking mechanism described in Example 1.

[0098] The side cover plate locking piece 700 is the locking cylinder 001 of the locking mechanism described in Example 1, and the side cover plate locking piece 700 can sequentially penetrate the second blade plate locking hole 621 of the upper wear-resistant plate 601, the locking hole 104 of the side cover plate 600 and the second blade plate locking hole 621 of the lower wear-resistant plate 602.

[0099] In this embodiment, if Figure 3 and Figure 4 As shown, the bucket tooth locking portion 202 includes a cone portion 221 and a first bucket tooth locking hole 222. The structure of the cone portion 221 matches the hollow structure of the locking connection portion 402 of the bucket tooth. The cone portion 221 is used to extend into and fill the hollow structure of the locking connection portion 402. The first bucket tooth locking hole 222 is through-opened at the connection between the bucket tooth locking portion 202 and the blade locking portion 201. The first bucket tooth locking hole 222 is also a tight-fitting locking hole 002 of the locking mechanism described in Example 1.

[0100] As an example, Fig. 9 and Fig.10 As shown, second bucket tooth locking holes 421 are respectively opened on the upper side wall and the lower side wall opposite to each other on the locking connection part 402 of the bucket tooth.

[0101] In this embodiment, if Figure 3 and Figure 4 As shown, the bucket tooth locking piece 500 is the locking cylinder 001 of the locking mechanism described in Example 1, and the bucket tooth locking piece 500 can sequentially penetrate the second bucket tooth locking hole 421 opened on the upper side wall of the locking connection part 402, the first bucket tooth locking hole 222 and the second bucket tooth locking hole 421 opened on the lower side wall of the locking connection part 402.

[0102] like Fig. 9 As shown, the tip 401 of the bucket tooth is a solid multi-faceted cone structure.

[0103] like Figure 3 and Figure 4As shown, the detachable bucket assembly further includes a positioning block 800 , and the positioning block 800 is disposed at the junction of the blade locking portion 201 of the tooth seat 200 and the blade 100 .

[0104] In a preferred embodiment, Figure 3 and Figure 4 As shown, the lengths of the tooth holder locking member 300 and the side cover plate locking member 700 are shorter than the length of the bucket tooth locking member 500 .

[0105] Example 3

[0106] like Figures 13 to 19 As shown, this embodiment shows another detachable bucket assembly using the locking mechanism of embodiment 1, which is different from embodiment 2 in that the connection method between the bucket teeth and the tooth seat 200 is different.

[0107] Specific as Fig.13 and Fig.14 As shown, the bucket tooth locking member 500 includes an upper half crescent lock 501 and a lower half crescent lock 502 .

[0108] like Fig.16 and Fig.17 As shown, the upper semi-crescent lock 501 includes an upper semi-crescent arc portion 511, a U-shaped locking portion 512 and a bolt tightening member 513, the U-shaped locking portion 512 includes a U-shaped opening portion and a U-shaped bottom end, and the bolt tightening member 513 is clamped in the middle of the U-shaped opening portion; the longitudinal section of the upper semi-crescent arc portion 511 is a semi-crescent shape, and the wider end of the semi-crescent shape is connected to the U-shaped bottom end of the U-shaped locking portion 512; the bolt tightening member 513 includes a nut portion 5131 and a screw portion 5132, the screw portion 5132 passes through the U-shaped opening portion, the diameter of the nut portion 5131 is larger than the narrowest part of the width of the U-shaped opening portion, the nut portion 5131 can be loosened or tightened on the screw portion 5132, and can apply downward pressure to the U-shaped locking portion 512 when tightening, and can apply upward pressure to the U-shaped locking portion 512 when loosening.

[0109] like Fig.18 As shown, the lower half-crescent lock 502 includes a lower half-crescent arc portion 521 and an arc-shaped hook portion 522, the arc-shaped hook portion 522 has a half-crescent longitudinal section, the lower half-crescent arc portion 521 has a half-crescent longitudinal section, and the half-crescent wider end of the lower half-crescent arc portion 521 is connected to the half-crescent wider end of the arc-shaped hook portion 522, and the radius of the half-crescent inner arc of the arc-shaped hook portion 522 is smaller than the radius of the half-crescent inner arc of the lower half-crescent arc portion 521.

[0110] like Fig.15As shown, the bucket tooth locking portion 202 includes a cone portion 221 and a double crescent accommodating groove 223. The structure of the cone portion 221 matches the hollow structure of the locking connection portion 402 of the bucket tooth. The cone portion 221 is used to extend into and fill the hollow structure of the locking connection portion 402. The double crescent accommodating groove 223 is respectively arranged at the upper side and the lower side of the connection between the bucket tooth locking portion 202 and the blade locking portion 201. The double crescent accommodating groove 223 is used to accommodate the bucket tooth locking member 500, and the bottom arc of the double crescent accommodating groove 223 matches the outer arc of the lower semi-crescent arc portion 521; the bottom end of the screw portion 5132 is connected to the bottom end of the double crescent accommodating groove 223.

[0111] like Fig.19 As shown, lower semi-crescent arc-shaped portion accommodating grooves 422 are respectively provided on the opposite upper side walls and lower side walls on the locking connection portion 402 of the bucket tooth. In the locked state, the arc-shaped hook portion 522 of the lower semi-crescent lock 502 can be abutted against the inner side wall of the lower semi-crescent arc-shaped portion accommodating groove 422.

[0112] Installation Example

[0113] The specific locking process in the above embodiments is as follows:

[0114] For Example 2, the following steps are included:

[0115] (1) A plurality of alternating tooth seat grooves and side cover plate grooves are obtained by cutting at the front edge of the blade body, wherein the depth of the tooth seat groove is greater than the depth of the side cover plate groove.

[0116] (2) The upper plate portion and the lower plate portion of the tooth seat are respectively clamped to the upper and lower portions of the blade, and the arc-shaped protrusion portion is inserted into the groove of the tooth seat, and the first blade plate locking hole and the tooth seat locking hole are arranged on the same axis, wherein the distance between the upper plate portion and the lower plate portion is equal to the thickness of the blade, and the length of the arc-shaped protrusion is equal to the depth of the tooth seat groove; the upper wear-resistant plate and the lower wear-resistant plate of the side cover plate are respectively clamped to the upper and lower portions of the blade, and the arc-shaped protrusion is inserted into the groove of the side cover plate, and the second blade plate locking hole and the side cover plate locking hole are arranged on the same axis, wherein the distance between the upper wear-resistant plate and the lower wear-resistant plate is equal to the thickness of the blade, and the length of the arc-shaped protrusion is equal to the depth of the groove of the side cover plate.

[0117] (3) Then, the starting end of the tooth seat locking piece is vertically inserted into the locking hole of the first blade plate, and the position of the protrusion of the tooth seat locking piece is opposite to the position of the groove on the first blade plate locking hole, and then a knocking force is applied to the tail end of the tooth seat locking piece. Through multiple knocks, the tooth seat locking piece is knocked into the first blade plate locking hole and the tooth seat locking hole as a whole; at the same time, the starting end of the side cover plate locking piece is vertically inserted into the second blade plate locking hole, and the position of the protrusion of the side cover plate locking piece is opposite to the position of the groove on the second blade plate locking hole, and then a knocking force is applied to the tail end of the side cover plate locking piece. Through multiple knocks, the side cover plate locking piece is knocked into the second blade plate locking hole and the side cover plate locking hole as a whole.

[0118] (4) According to the method of step (3), all the tooth seat locking parts are knocked into the first blade plate locking hole and the tooth seat locking hole as a whole, and all the side cover plate locking parts are knocked into the second blade plate locking hole and the side cover plate locking hole as a whole, so that all the tooth seats are tightly connected with the blade plate, and all the side cover plates are tightly connected with the blade plate.

[0119] (5) The locking connection part of the bucket tooth is clamped with the conical part of the bucket tooth locking part of the tooth seat, and the second bucket tooth locking hole on the upper side wall and the lower side wall of the locking connection part and the first bucket tooth locking hole of the bucket tooth locking part are arranged on the same axis, and then the starting end of the bucket tooth locking piece is vertically inserted into the second bucket tooth locking hole, and the position of the protrusion of the bucket tooth locking piece is aligned with the position of the groove on the second bucket tooth locking hole, and then a knocking force is applied to the rear end of the bucket tooth locking piece. Through multiple knocks, the bucket tooth locking piece is knocked into the second bucket tooth locking hole and the first bucket tooth locking hole as a whole.

[0120] (6) All bucket teeth are tightly connected to the tooth seats in the manner of step (5) to obtain a detachable bucket assembly. When disassembling, it is only necessary to continue to knock the locking cylinders of each locking member in the same direction with other cylinder tools to knock them out to achieve disassembly.

[0121] For Example 3, step (5) is changed to placing the lower half crescent lock in the double crescent receiving groove, and the placement direction is that the narrower end of the lower half crescent arc portion is toward the direction of the blade, and then the locking connection portion of the bucket tooth is clamped with the conical portion of the bucket tooth locking portion of the tooth seat, and the lower half crescent arc portion receiving groove is connected with the tail end of the double crescent receiving groove, and then the upper half crescent lock is inserted into the upper part of the lower half crescent lock through the part of the double crescent receiving groove at the outer end of the bucket tooth, and then the nut part is tightened, so that the arc-shaped return hook portion of the lower half crescent lock is gradually turned into the lower half crescent arc portion receiving groove and the arc-shaped return hook portion is against the inner wall of the lower half crescent arc portion receiving groove. Then the half-moon arc portion is inserted into the space between the lower half-moon lock and the lower half-moon arc portion receiving groove of the bucket tooth, and then the arc-shaped hook portion of the lower half-moon lock is pressed and rotated upward, so that the arc-shaped hook portion is pressed against the inner side wall of the lower half-moon arc portion receiving groove of the bucket tooth, completing the tight fit connection between the bucket tooth and the tooth seat. Fig.14 As shown, in the locked state, the inner arc of the upper half crescent arc part is in tight contact with the upper side wall or the lower side wall on the locking connection part of the bucket tooth, the outer arc of the upper half crescent arc part is in tight contact with the inner arc of the lower half crescent arc part of the lower half crescent lock, and the outer arc of the lower half crescent arc part of the lower half crescent lock is in tight contact with the bottom arc of the double crescent accommodating groove. When disassembling, you only need to loosen the bolt tightening piece to separate the upper half crescent lock and the lower half crescent lock, and then remove the bucket tooth to achieve disassembly.

[0122] After the detachable bucket assembly is locked and installed, the detachable bucket assembly can be welded to the bucket body of the bucket device through the main body rear edge of the blade to achieve installation.

[0123] Comparative Example 1

[0124] The other settings of this comparative example are the same as those of Examples 1-3, except that D1:T1=5.2:1, that is, D1 is 5.2 times of T1. Example 1 and this comparative example were subjected to enhanced impact and wear tests, and it was found that wear of the upper and lower semi-cylinders of this comparative example occurred after 32 hours, which proved that continuous displacement between the locking cylinder and the tight-fitting locking hole occurred in the enhanced test, resulting in wear. It is inferred that the reason is that the rubber connector of this ratio has insufficient expansion pressure toward the tight-fitting locking hole. After multiple impacts in the enhanced test, friction caused displacement between the two.

[0125] Comparative Example 2

[0126] The other settings of this comparative example are the same as those of Examples 1-3, except that D1:T1=1.8:1, that is, D1 is 1.8 times of T1. Example 1 and this comparative example were subjected to enhanced impact and wear tests, and it was found that the upper semi-cylinder and the lower semi-cylinder of this comparative example showed slight wear after the 50th hour, which proved that continuous displacement between the locking cylinder and the tight-fitting locking hole occurred in the enhanced test, resulting in wear. It is inferred that the reason is that the proportion of the rubber connector is too large, and the diameter of the locking cylinder set in the present invention is slightly larger than the diameter of the tight-fitting locking hole in the range of 0.2 to 1.5 mm. When the rubber connector is subjected to multiple impacts in the enhanced test, it is subjected to a larger compression, which also causes the instantaneous destruction of the tight fit relationship between the locking cylinder and the tight-fitting locking hole, resulting in displacement friction between the two.

[0127] This proves that the proportional relationship between D1 and T1 set in the present invention is the optimal proportional relationship for the structure of the present invention, and this proportional relationship is neither the larger the better nor the smaller the better, but is the optimal within the scope specified by the present invention.

[0128] The known technologies in the art involved in the present invention are not described in detail. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A locking mechanism, characterized in that: The invention comprises a locking cylinder (001) and a tight-fitting locking hole (002), wherein the locking cylinder (001) comprises an upper semi-cylinder (011), a rubber connector (012) and a lower semi-cylinder (013); the upper semi-cylinder (011) and the lower semi-cylinder (013) are two semi-cylinders with the same diameter and length formed by longitudinally cutting the same cylinder from the middle, and the rubber connector (012) is arranged between the upper semi-cylinder (011) and the lower semi-cylinder (013), and is fixedly connected to the upper semi-cylinder (011) and the lower semi-cylinder (013); The tight-fit locking holes (002) are provided in plurality, and the physical axis center lines of the plurality of tight-fit locking holes (002) coincide with each other; The overall diameter of the locking cylinder (001) in a natural state is D1, and the diameter of the tight-fitting locking hole (002) is D2, satisfying D1≥D2; The upper semi-cylinder (011) and the lower semi-cylinder (013) both include a tail end (015) and a start end (016), wherein the tail end (015) is a semi-cylindrical structure, and the start end (016) is a semi-conical structure; The overall thickness of the rubber connector (012) is T1, satisfying D1: T1 = (2.6-3.5): (0.8-1.2); Two protrusions (014) are arranged on the arc surface of the upper semi-cylinder (011), and the straight line formed between the top ends of the two protrusions (014) is parallel to the physical axis of the locking cylinder (001), and the protrusion (014) close to the tail end (015) of the two protrusions (014) is a hemispherical structure, and the protrusion (014) close to the starting end (016) is an arc-shaped blade body structure, and the inclined surface of the protrusion (014) of the arc-shaped blade body structure on the side close to the starting end is a plane or an arc surface with the center of the circle facing the tail end, and the inclined surface of the protrusion (014) of the arc-shaped blade body structure on the side away from the starting end is an arc surface with the center of the circle facing the tail end. A groove (021) is provided on the tight-fitting locking hole (002), and the groove (021) is used to accommodate a protrusion (014) provided on the arc surface of the upper semi-cylinder (011). The depth of the groove (021) is L1, and the height of the protrusion (014) is H1, satisfying L1≥H1.

2. The locking mechanism according to claim 1, characterized in that: The rubber connector (012) is made of rubber, composite rubber or other elastic materials, and the upper semi-cylinder (011) and the lower semi-cylinder (013) are made of steel or other rigid materials.

3. The locking mechanism according to claim 1, characterized in that: The width of the rubber connector (012) is smaller than the diameter of the upper semi-cylinder (011) or the lower semi-cylinder (013), and the length of the rubber connector (012) is smaller than the length of the upper semi-cylinder (011) or the lower semi-cylinder (013).

4. A detachable bucket assembly, characterized in that: It comprises a blade (100), a tooth seat (200), a tooth seat locking piece (300), a bucket tooth (400), a bucket tooth locking piece (500), a side cover plate (600) and a side cover plate locking piece (700); The front edge portion (105) of the blade (100) is provided with a plurality of tooth seat grooves (101), a plurality of side cover plate grooves (102), a plurality of tooth seat locking holes (103) and a plurality of side cover plate locking holes (104), wherein the tooth seat grooves (101) and the side cover plate grooves (102) are both arc-shaped grooves; The tooth seat locking hole (103) and the side cover plate locking hole (104) are tight-fitting locking holes (002) of the locking mechanism described in any one of claims 1 to 3; The tooth seat (200) comprises a blade locking portion (201) and a bucket tooth locking portion (202), wherein the blade locking portion (201) is used to be locked with the blade (100), wherein the blade locking portion (201) comprises an upper plate portion (211), a lower plate portion (212), an arc-shaped protrusion portion (213) and a first blade locking hole (214), wherein the arc-shaped protrusion portion (213) is arranged between the upper plate portion (211) and the lower plate portion (212), and the arc-shaped protrusion portion and the arc-shaped groove of the tooth seat groove (101) are connected to each other. The shapes are matched so that the blade locking portion (201) of the tooth seat (200) is snapped into the tooth seat groove (101) through the arc-shaped protrusion portion (213); the first blade locking hole (214) is a tight-fitting locking hole (002) of the locking mechanism described in any one of claims 1 to 4; the first blade locking hole (214) is arranged on the upper plate portion (211) and the lower plate portion (212); the bucket tooth locking portion (202) is used to lock with the bucket tooth (400) through the bucket tooth locking member (500); The tooth seat locking member (300) is a locking cylinder (001) of the locking mechanism according to any one of claims 1 to 3, and the tooth seat locking member (300) can sequentially penetrate the first blade locking hole (214) of the upper plate portion (211), the tooth seat locking locking hole and the first blade locking hole (214) of the lower plate portion (212); The bucket tooth (400) comprises a tip (401) and a locking connection part (402), wherein the tip (401) is a working part of the bucket tooth (400), and the locking connection part (402) is a hollow structure, and the locking connection part (402) locks the bucket tooth (400) and the tooth holder (200) through the bucket tooth locking member (500) and the bucket tooth locking part (202) of the tooth holder (200); The side cover plate (600) comprises an upper wear-resistant plate (601), a lower wear-resistant plate (602) and a wear-resistant block (603), wherein the wear-resistant block (603) is arranged between the upper wear-resistant plate (601) and the lower wear-resistant plate (602), wherein the wear-resistant block (603) comprises a wear-resistant end (631) at an outer end and an arc-shaped protrusion (632) at an inner end, wherein the arc-shaped protrusion (632) matches the arc-shaped groove shape of the side cover plate groove (102), so that the side cover plate (600) is snapped into the side cover plate groove (102) through the arc-shaped protrusion (632), and second blade plate locking holes (621) are relatively opened on the upper wear-resistant plate (601) and the lower wear-resistant plate (602), and the second blade plate locking hole (621) is a tight-fitting locking hole (002) of the locking mechanism described in any one of claims 1 to 3; The side cover plate locking piece (700) is the locking cylinder (001) of the locking mechanism described in any one of claims 1 to 3, and the side cover plate locking piece (700) can sequentially penetrate the second blade plate locking hole (621) of the upper wear-resistant plate (601), the side cover plate locking hole (104) and the second blade plate locking hole (621) of the lower wear-resistant plate (602).

5. The detachable bucket assembly according to claim 4, characterized in that: The bucket tooth locking portion (202) comprises a cone portion (221) and a first bucket tooth locking hole (222), the structure of the cone portion (221) matches the hollow structure of the locking connection portion (402) of the bucket tooth (400), the cone portion (221) is used to extend into and fill the hollow structure of the locking connection portion (402), the first bucket tooth locking hole (222) is through-opened at the connection between the bucket tooth locking portion (202) and the blade locking portion (201), the first bucket tooth locking hole (222) is a tight-fitting locking hole (002) of the locking mechanism according to any one of claims 1 to 3; Second bucket tooth locking holes (421) are respectively provided on the upper side wall and the lower side wall opposite to each other on the locking connection portion (402) of the bucket tooth (400); The bucket tooth locking piece (500) is a locking column (001) of the locking mechanism according to any one of claims 1 to 4, and the bucket tooth locking piece (500) can sequentially penetrate the second bucket tooth locking hole (421) opened on the upper side wall of the locking connection part (402), the first bucket tooth locking hole (222) and the second bucket tooth locking hole (421) opened on the lower side wall of the locking connection part (402).

6. The detachable bucket assembly according to claim 4, characterized in that: The bucket tooth locking member (500) comprises an upper half crescent lock (501) and a lower half crescent lock (502); The upper half crescent lock (501) comprises an upper half crescent arc portion (511), a U-shaped locking portion (512) and a bolt tightening member, wherein the U-shaped locking portion (512) comprises a U-shaped opening portion and a U-shaped bottom end, wherein the bolt tightening member is clamped in the middle of the U-shaped opening portion; the longitudinal section of the upper half crescent arc portion (511) is a half crescent shape, and the wider end of the half crescent shape is connected to the U-shaped bottom end of the U-shaped locking portion (512); the bolt tightening member comprises a nut portion (5131) and a screw portion (5132), wherein the screw portion (5132) passes through the U-shaped opening portion, wherein the diameter of the nut portion (5131) is larger than the narrowest part of the width of the U-shaped opening portion, and the nut portion (5131) can be loosened or tightened on the screw portion (5132), and can apply downward pressure to the U-shaped locking portion (512) when tightened; The lower semi-crescent lock (502) comprises a lower semi-crescent arc portion (521) and an arc-shaped hook portion (522), the longitudinal section of the arc-shaped hook portion (522) is a semi-crescent shape, the longitudinal section of the lower semi-crescent arc portion (521) is a semi-crescent shape, and the wider end of the semi-crescent of the lower semi-crescent arc portion (521) is connected to the wider end of the semi-crescent of the arc-shaped hook portion (522), and the radius of the semi-crescent inner arc of the arc-shaped hook portion (522) is smaller than the radius of the semi-crescent inner arc of the lower semi-crescent arc portion (521); The bucket tooth locking portion (202) comprises a cone portion (221) and a double crescent accommodating groove (223), the structure of the cone portion (221) matches the hollow structure of the locking connection portion (402) of the bucket tooth (400), the cone portion (221) is used to extend into and fill the hollow structure of the locking connection portion (402), the double crescent accommodating groove (223) is arranged at the upper side and / or lower side of the connection between the bucket tooth locking portion (202) and the blade locking portion (201), the double crescent accommodating groove (223) is used to accommodate the bucket tooth locking member (500), and the bottom arc of the double crescent accommodating groove (223) matches the outer arc of the lower half crescent arc portion (521); the bottom end of the screw portion (5132) is connected to the bottom end of the double crescent accommodating groove (223); A lower half-crescent arc-shaped portion accommodating groove (422) is provided on the upper side wall and / or the lower side wall opposite to the locking connection portion (402) of the bucket tooth (400); in the locked state, the arc-shaped hook portion (522) of the lower half-crescent lock (502) can abut against the inner side wall of the lower half-crescent arc-shaped portion accommodating groove (422).

7. The detachable bucket assembly according to claim 5 or 6, characterized in that: The tip (401) of the bucket tooth (400) is a solid multi-faceted cone structure; the locking connection portion (402) of the bucket tooth (400) further includes a skirt structure (423), and the skirt structure (423) is used to cover the outer edge of the bucket tooth locking portion (202) that accommodates the tooth seat (200).

8. The detachable bucket assembly according to claim 5 or 6, characterized in that: The detachable bucket assembly further comprises a positioning block (800), wherein the positioning block (800) is arranged on the blade (100) at the connecting position between the blade locking portion (201) of the tooth seat (200) and the blade (100).

9. A bucket device, characterized in that: The bucket device comprises the detachable bucket assembly according to any one of claims 4 to 8.

10. A method for installing a detachable bucket assembly, characterized in that: The detachable bucket assembly is the detachable bucket assembly according to any one of claims 4 to 8, comprising the following steps: (1) cutting a plurality of alternating tooth seat grooves and side cover plate grooves at the front edge of the blade body, wherein the depth of the tooth seat groove is greater than the depth of the side cover plate groove; (2) The upper plate portion and the lower plate portion of the tooth seat are clamped to the upper and lower portions of the blade plate, respectively, and the arc-shaped protrusion portion is inserted into the groove of the tooth seat, and the first blade plate locking hole and the tooth seat locking hole are arranged on the same axis, wherein the distance between the upper plate portion and the lower plate portion is equal to the thickness of the blade plate, and the length of the arc-shaped protrusion is equal to the depth of the groove of the tooth seat; the upper wear-resistant plate and the lower wear-resistant plate of the side cover plate are clamped to the upper and lower portions of the blade plate, respectively, and the arc-shaped protrusion is inserted into the groove of the side cover plate, and the second blade plate locking hole and the side cover plate locking hole are arranged on the same axis, wherein the distance between the upper wear-resistant plate and the lower wear-resistant plate is equal to the thickness of the blade plate, and the length of the arc-shaped protrusion is equal to the depth of the groove of the side cover plate; (3) Then, the starting end of the gear seat locking piece is vertically inserted into the first blade plate locking hole, and the protrusion of the gear seat locking piece is positioned opposite to the groove position on the first blade plate locking hole, and then a knocking force is applied to the tail end of the gear seat locking piece, and the gear seat locking piece is knocked into the first blade plate locking hole and the gear seat locking hole as a whole through multiple knocks; at the same time, the starting end of the side cover plate locking piece is vertically inserted into the second blade plate locking hole, and the protrusion of the side cover plate locking piece is positioned opposite to the groove position on the second blade plate locking hole, and then a knocking force is applied to the tail end of the side cover plate locking piece, and the side cover plate locking piece is knocked into the second blade plate locking hole and the side cover plate locking hole as a whole through multiple knocks; (4) knocking all the tooth holder locking parts into the first blade plate locking hole and the tooth holder locking hole as a whole and knocking all the side cover plate locking parts into the second blade plate locking hole and the side cover plate locking hole as a whole in the manner of step (3), so that all the tooth holders are tightly connected with the blade plate and all the side cover plates are tightly connected with the blade plate; (5) The locking connection part of the bucket tooth is clamped with the conical part of the bucket tooth locking part of the tooth holder, and the second bucket tooth locking hole on the upper side wall and the lower side wall of the locking connection part and the first bucket tooth locking hole of the bucket tooth locking part are arranged on the same axis, and then the starting end of the bucket tooth locking piece is vertically placed in the second bucket tooth locking hole, and the position of the protrusion of the bucket tooth locking piece is opposite to the position of the groove on the second bucket tooth locking hole, and then a knocking force is applied to the tail end of the bucket tooth locking piece. Through multiple knocks, the bucket tooth locking piece is knocked into the second bucket tooth locking hole and the first bucket tooth locking hole as a whole; or Place the lower half crescent lock in the double crescent accommodating groove, and place it in the direction that the narrower end of the lower half crescent arc portion faces the direction of the blade, then the locking connection portion of the bucket tooth is clamped with the conical portion of the bucket tooth locking portion of the tooth holder, and the lower half crescent arc portion accommodating groove is connected with the tail end of the double crescent accommodating groove, then insert the upper half crescent lock above the lower half crescent lock through the part of the double crescent accommodating groove at the outer end of the bucket tooth, and then tighten the nut part, gradually making the arc-shaped hook portion of the lower half crescent lock rotate into the lower half crescent arc-shaped portion accommodating groove and the arc-shaped hook portion abuts against the inner wall of the lower half crescent arc-shaped portion accommodating groove; (6) All bucket teeth are tightly connected to the tooth seats in the manner of step (5) to obtain a detachable bucket assembly.

Images