CN212506509U

CN212506509U - Detachable large bucket tooth

Info

Publication number: CN212506509U
Application number: CN202020868265.4U
Authority: CN
Inventors: 毛鹏程; 吴皓亮
Original assignee: Zhejiang Baotong Machinery Manufacturing Co ltd
Current assignee: Zhejiang Baotong Machinery Manufacturing Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-02-09
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to a can dismantle large-scale bucket tooth, including prong and toothholder, the connection can be dismantled to prong and toothholder, the toothholder is equipped with the link towards prong one end, its characterized in that, the link is equipped with demountable installation seat, the mount pad is the toper boss, first perforation is worn to be equipped with at the mount pad middle part, the prong is equipped with the mounting groove that can with the mutual gomphosis of mount pad towards toothholder one end, the second perforation is worn to be equipped with at the mounting groove middle part, first perforation is concentric with second perforation axis, be equipped with the round pin that rises between prong and the prong, the round pin that rises passes first perforation and second perforation simultaneously, the beneficial effects of the utility model are that: the detachable large bucket tooth has the advantages that the connection strength of the tooth tip and the tooth base is guaranteed, and meanwhile, the abrasion resistance and the penetrating power are improved.

Description

Detachable large bucket tooth

Technical Field

The utility model relates to an excavator accessory technical field, concretely relates to can dismantle large-scale bucket tooth.

Background

The excavator bucket tooth is an important part on an excavator, is similar to a tooth of a person and is also a wearing part, and the bucket tooth is used for shoveling hard objects such as stones, soil and the like, so that the excavator bucket is protected from being damaged. The bucket tooth generally includes prong and toothholder, the prong can be dismantled with the toothholder and be connected, and current bucket tooth generally all adopts screw and nut cooperation connected mode, and in the use, the violent shake takes place for the bucket tooth, and nut and screw both take place not hard up direct influence toothholder and the joint strength of prong, on the other hand, owing to need continuous with hard thing contact such as stone, earth, then just need the bucket tooth to have very strong penetrability and wearability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art not enough, provide one kind and can dismantle large-scale bucket tooth, the joint strength of guarantee prong and toothholder improves wearability and penetrating power simultaneously.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a can dismantle large-scale bucket tooth, includes prong and toothholder, the connection can be dismantled to prong and toothholder, the toothholder is equipped with the link towards prong one end, its characterized in that, the link is equipped with demountable installation seat, the mount pad is the toper boss, first perforation is worn to be equipped with in the mount pad middle part, the prong is equipped with the mounting groove that can with the mutual gomphosis of mount pad towards toothholder one end, the second perforation is worn to be equipped with in the mounting groove middle part, first perforation is concentric with second perforation axis, be equipped with the round pin that rises between prong and the prong, the round pin that rises passes first perforation and second perforation simultaneously.

Adopt above-mentioned technical scheme, be connected with the prong through setting up toper boss formula mount pad, the mutual gomphosis of mounting groove in toper boss and the prong, the toper boss is difficult for taking place deformation under prong operating condition, can ensure the joint strength of prong and prong, perforate through setting up first perforation and second, it realizes the fastening connection with prong and prong to expand the round pin for the installation, under prong high strength operating condition, it is difficult for producing not hard up to expand the pin junction mode, compare the screw nut connected mode among the prior art, the security is higher with connection compactness.

The detachable large bucket tooth can be further provided as follows: and a hard alloy layer is arranged at one end of the tooth tip, which is far away from the tooth holder.

The detachable large bucket tooth can be further provided as follows: and a hard alloy particle surfacing layer is arranged between the hard alloy layer and the tooth base at the tooth tip.

By adopting the technical scheme, the hard alloy is an alloy material prepared from a hard compound of refractory metal and bonding metal through a powder metallurgy process, and has a series of excellent performances of high hardness, wear resistance, better strength and toughness, heat resistance, corrosion resistance and the like, particularly high hardness, the tooth tip is positioned at the digging end and adopts a hard alloy layer, the penetrating power and the wear resistance of the digging end of the bucket tooth can be improved, a hard alloy particle overlaying layer is further arranged between the hard alloy layer and the tooth base, the penetrating power and the wear resistance of the whole tooth tip can be further enhanced through the hard alloy particle overlaying layer, meanwhile, the tooth tip part adopts a pure hard alloy layer, the tooth tip is positioned between the hard alloy layer and the tooth base and adopts the hard alloy particle overlaying layer, the using amount of the hard alloy is reduced as far as possible under the premise of ensuring the high strength of the bucket tooth, and the cost is reduced to the maximum extent.

The detachable large bucket tooth can be further provided as follows: the prong is equipped with preceding working face, preceding working face uses the prong to keep away from toothholder one end and is the summit to and use the toothholder axis to be the outside acute angle slope setting as the center.

The detachable large bucket tooth can be further provided as follows: the prong is located preceding working face bilateral symmetry and is equipped with auxiliary work face, auxiliary work face uses the prong to keep away from toothholder one end respectively and is the acute angle slope setting to and use the toothholder axis as the center to both sides to the summit.

Adopt above-mentioned technical scheme, preceding working face and both sides auxiliary working face use the prong to excavate the end summit and use the toothholder axis to be acute angle slope setting to the outside as the center, will wholly be the setting and be the toper, and the toper structure can concentrate power to the end of excavating, does benefit to bucket tooth work, further improves bucket tooth's penetrating power in the aspect of from the structure.

The detachable large bucket tooth can be further provided as follows: chip grooves are formed in two sides of the front working face.

The detachable large bucket tooth can be further provided as follows: the chip groove includes the guide section, the guide section is rectangular shape level and smooth setting, the guide section is connected with row material section, it is the arc setting and is relevant with the guide section to arrange the material section.

Adopt above-mentioned technical scheme, because be a crushing action at the excavation process, must produce the sweeps, and the sweeps does not discharge, pile up together and can produce the hindrance to the bucket tooth, reduce bucket tooth work efficiency, through setting up the chip groove, can disperse the sweeps, wherein the guide section is level and smooth rectangular shape, because the crushing work of bucket tooth, the sweeps moves along the guide section under the effect of power, at last fly out to the distant place under the arc structure effect of arranging the material section, realize the chip removal function.

The utility model has the advantages that: by adopting the technical scheme, the conical boss type mounting seat is matched and connected with the tooth point, the conical boss is not easy to deform in the working state of the tooth point, the connection strength of the tooth point and the tooth seat can be ensured, the first through hole and the second through hole are arranged for installing the expansion pin to realize the fastening connection of the tooth point and the tooth seat, the expansion pin is not easy to loosen in the connection mode, and compared with the screw and nut connection mode in the prior art, the safety and the connection tightness are higher; the digging end of the tooth tip is made of hard alloy, so that the bucket tooth has a series of excellent performances such as high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, particularly high hardness, the penetrating power and the wear resistance of the digging end of the bucket tooth can be improved, a hard alloy particle overlaying layer is further arranged between the hard alloy layer and the tooth holder, the penetrating power and the wear resistance of the whole tooth tip can be further enhanced by the hard alloy particle overlaying layer, meanwhile, the tooth tip part is made of a pure hard alloy layer, and the hard alloy particle overlaying layer is arranged between the hard alloy layer and the tooth holder, so that the using amount of the hard alloy is reduced as far as possible under the premise of ensuring the high strength of the bucket tooth, and the cost is reduced to the maximum extent; the whole body is arranged in a conical shape, and the conical structure can concentrate force to the digging end, so that the bucket tooth can work conveniently, and the penetrating power of the bucket tooth is further improved in the aspect of structure; through setting up the chip groove, can disperse the sweeps.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a perspective view of a tooth holder according to an embodiment of the present invention;

fig. 3 is a perspective view of a tooth tip according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 3, the detachable large bucket tooth includes a tooth point 2 and a tooth base 1, the tooth point 2 is detachably connected with the tooth base 1, a connection end is arranged at one end of the tooth base 1 facing the tooth point 2, the connection end is provided with a detachable mounting base 11, the mounting base 11 is a conical boss, a first through hole 12 is arranged in the middle of the mounting base 11, a mounting groove 21 capable of being mutually embedded with the mounting base 11 is arranged at one end of the tooth point 2 facing the tooth base 1, a second through hole 22 is arranged in the middle of the mounting groove 21, the first through hole 12 is concentric with the second through hole 22 in axis, a rising pin is arranged between the tooth base 1 and the tooth point 2, the rising pin simultaneously passes through the first through hole 12 and the second through hole 22, a hard alloy layer 23 is arranged at one end of the tooth point 2 away from the tooth base 1, and a hard alloy particle surfacing layer 24 is arranged between the hard alloy layer 23 and the tooth base 1, tooth point 2 is equipped with preceding working face 25, preceding working face 25 uses tooth point 2 to keep away from tooth base 1 one end and is the summit to and use tooth base 1 axis to be the setting of acute angle slope outside as the center, tooth point 2 is located preceding working face 25 bilateral symmetry and is equipped with supplementary working face 26, supplementary working face 26 uses tooth point 2 to keep away from tooth base 1 one end respectively and is the setting of acute angle slope as the summit to and use tooth base 1 axis to be the center to both sides, preceding working face 25 both sides are equipped with chip groove 27, chip groove 27 includes material guide section 271, material guide section 271 is rectangular shape level and smooth setting, material guide section 271 is connected with row material section 272, row material section 272 is the arc setting and is tangent with material guide section 271.

Claims

1. The utility model provides a can dismantle large-scale bucket tooth, includes prong and toothholder, the connection can be dismantled to prong and toothholder, the toothholder is equipped with link, its characterized in that towards prong one end: the connecting end is equipped with demountable installation seat, the mount pad is the toper boss, first perforation is worn to be equipped with in the mount pad middle part, the prong is equipped with the mounting groove that can gomphosis each other with the mount pad towards prong one end, the mounting groove middle part is worn to be equipped with the second perforation, first perforation is concentric with the second perforation axis, be equipped with the round pin that rises between prong and the prong, the round pin that rises passes first perforation and second perforation simultaneously.

2. The large detachable bucket tooth according to claim 1, wherein: and a hard alloy layer is arranged at one end of the tooth tip, which is far away from the tooth holder.

3. The large detachable bucket tooth of claim 2, wherein: and a hard alloy particle surfacing layer is arranged between the hard alloy layer and the tooth base at the tooth tip.

4. The large detachable bucket tooth according to claim 1, wherein: the prong is equipped with preceding working face, preceding working face uses the prong to keep away from toothholder one end and is the summit to and use the toothholder axis to be the outside acute angle slope setting as the center.

5. A large detachable bucket tooth according to claim 4, wherein: the prong is located preceding working face bilateral symmetry and is equipped with auxiliary work face, auxiliary work face uses the prong to keep away from toothholder one end respectively and is the acute angle slope setting to and use the toothholder axis as the center to both sides to the summit.

6. A large detachable bucket tooth according to claim 4, wherein: chip grooves are formed in two sides of the front working face.

7. A large detachable bucket tooth according to claim 6, wherein: the chip groove includes the guide section, the guide section is rectangular shape level and smooth setting, the guide section is connected with row material section, it is the arc setting and is relevant with the guide section to arrange the material section.