CN115030260A - Combined bucket tooth and tooth seat structure for loader - Google Patents
Combined bucket tooth and tooth seat structure for loader Download PDFInfo
- Publication number
- CN115030260A CN115030260A CN202210482716.4A CN202210482716A CN115030260A CN 115030260 A CN115030260 A CN 115030260A CN 202210482716 A CN202210482716 A CN 202210482716A CN 115030260 A CN115030260 A CN 115030260A
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- Prior art keywords
- tooth
- hole
- connecting rod
- worm
- loader
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000000670 limiting effect Effects 0.000 claims abstract description 20
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- -1 gravel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2816—Mountings therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2816—Mountings therefor
- E02F9/2833—Retaining means, e.g. pins
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention relates to the field of loaders, in particular to a combined bucket tooth and tooth seat structure for a loader, which comprises a tooth seat, a bucket tooth and a connecting part, wherein the connecting part comprises a connecting rod, the connecting rod is fixedly provided with a connecting plate, a cavity is arranged in the connecting rod, a bidirectional screw rod is rotatably connected in the cavity, two side sections of the bidirectional screw rod are respectively in threaded connection with a limiting block, the other end of the limiting block is in sliding connection with the inner wall of the cavity, a worm wheel is fixedly sleeved in the middle section of the bidirectional screw rod, the outer end of the worm wheel is meshed with a worm, and the worm is rotatably connected with the inner wall of the cavity. According to the invention, the connecting part and the control part are added, the tooth holder and the bucket teeth are screwed tightly, the connecting rod passes through the first through hole and the second through hole, at the moment, the worm is rotated by the control part, so that the two limiting blocks extend out of the connecting rod to play a limiting role, the problem that the connecting rod shakes and falls off due to long-time work can be effectively prevented, the bucket teeth on the tooth holder can be taken down through reverse operation, and the operation is more convenient.
Description
Technical Field
The invention relates to the technical field of loaders, in particular to a combined bucket tooth and tooth holder structure for a loader.
Background
The loader is a kind of earth and stone construction machinery widely used in highway, railway, building, water and electricity, port and mine, and is mainly used for shoveling and loading bulk materials such as soil, gravel, lime and coal, and also for light shoveling and digging of ore and hard soil. The different auxiliary working devices can be replaced to carry out bulldozing, hoisting and other material loading and unloading operations such as wood. Bucket teeth and tooth holders are important structures in loaders.
The patent with publication number CN105625498B discloses a bucket tooth and tooth holder assembly, which comprises a tooth holder and a bucket tooth in threaded connection with the tooth holder, wherein the tooth holder comprises a tooth holder head and a tooth holder body which are connected with each other, the tooth holder head is of a columnar structure, the tooth holder head is provided with an external thread, and the side wall of the tooth holder head is provided with a through hole; the bucket tooth includes interconnect's bucket tooth stiff end and bucket tooth body, is equipped with a fixed chamber in the bucket tooth stiff end, and the one end in fixed chamber is opened, and the other end is located the bucket tooth stiff end, and fixed intracavity is equipped with the internal thread, and internal thread and external screw thread looks adaptation are equipped with communicating fixed orifices on two relative lateral walls of bucket tooth stiff end, and the through-hole is together fixed with the pin for the fixed orifices.
In the prior art, the bucket teeth are connected with the tooth holder assembly through the pins, and the pins can shake and fall off in the long-term working process to influence the normal work of the loader. Therefore, a combined bucket tooth and tooth seat structure for a loader is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a combined bucket tooth and tooth holder structure for a loader, which solves the problem that a pin in a bucket tooth and tooth holder combined piece in the prior art can fall off.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a combined bucket tooth and tooth holder structure for a loader comprises a tooth holder and a bucket tooth, wherein a thick screw is fixed on the tooth holder, a first through hole is formed in the thick screw, a thick screw hole used for being in threaded connection with the thick screw is formed in the bucket tooth, a second through hole is formed in the position, corresponding to the first through hole, of the bucket tooth, and a connecting part is arranged between the first through hole and the second through hole;
the connecting part comprises a connecting rod, a connecting plate is fixed at one end of the connecting rod, a cavity is arranged at the other side of the connecting rod, a bidirectional screw rod is rotatably connected to the inner wall of the cavity, two side sections of the bidirectional screw rod are in threaded connection with limiting blocks, the other end of each limiting block is in sliding connection with the inner wall of the cavity and correspondingly extends out of the inner wall of the cavity, a worm wheel is fixedly sleeved at the middle section of the bidirectional screw rod, a worm is meshed at the outer end of the worm wheel and is rotatably connected with the inner wall of the cavity, and one end of the worm extends to the outer end face of the connecting rod and is provided with an insertion hole;
the structure further includes a control portion to rotate the worm.
Preferably, the control portion includes the dwang, and the outer end interlude of dwang is fixed with the inserted bar with jack looks adaptation.
Preferably, the insertion holes are hexagonal holes, and the insertion rods are hexagonal rods.
Preferably, the both ends of dwang all sliding connection have the rotating sleeve, are equipped with locking screw on the rotating sleeve.
Preferably, the first through hole and the second through hole are both polygonal holes.
Preferably, the connecting plate is located the outside position of connecting rod and is fixed with the cushion, the stopper is close to the one end of bucket tooth and is equipped with the inclined plane.
Preferably, the soft pad is a rubber pad.
Preferably, a support rod is further arranged between the bidirectional screw and the inner wall of the cavity, the support rod is connected with the bidirectional screw in a penetrating and rotating mode, and the support rod is fixed to the inner wall of the cavity.
(III) advantageous effects
The invention provides a combined bucket tooth and tooth holder structure for a loader, which has the following beneficial effects:
1. by adding the connecting part and the control part, the tooth holder and the bucket tooth are screwed tightly, the connecting rod penetrates through the first through hole and the second through hole, at the moment, the worm is rotated by the control part, so that the two limiting blocks extend out of the connecting rod to play a limiting role, the problem that the connecting rod shakes and falls off due to long-time work can be effectively solved, the bucket tooth on the tooth holder can be taken down through reverse operation, and the operation is also convenient;
2. by adding the locking screw and the rotating sleeve and unscrewing the locking screw, the rotating sleeve can be pulled outwards, so that the force arm is lengthened, and the rotating sleeve is convenient for workers to rotate easily;
3. by adding the soft pad and the inclined plane, the worm is rotated, the inclined plane of the limiting block is firstly contacted with the bucket teeth, the worm is continuously rotated until the vertical surface of the limiting block is tightly abutted against the outer ends of the bucket teeth, at the moment, the soft pad is also compressed, and the bucket teeth are tightly clamped between the limiting block and the soft pad, so that the connecting rod is prevented from shaking and being worn down when in work, and the protective effect is achieved;
4. the through holes are polygonal holes, so that the connecting rod can be prevented from rotating, and the stability is improved;
in conclusion, the connecting rod can be effectively prevented from shaking and falling off due to long-time work by adopting the limiting block, and the bucket teeth are convenient to mount and dismount.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a cross-sectional view of a connecting rod of the present invention;
FIG. 5 is a schematic structural view of a portion of a connecting rod according to the present invention;
FIG. 6 is a schematic structural diagram of a control portion according to the present invention;
FIG. 7 is a schematic structural view of example 3 of the present invention;
fig. 8 is a schematic structural diagram of embodiment 4 of the present invention.
In the figure: 1-tooth holder, 11-thick screw rod, 12-through hole I, 2-bucket tooth, 21-thick screw hole, 22-through hole II, 3-connecting part, 31-connecting rod, 32-connecting plate, 33-soft pad, 34-cavity, 35-supporting rod, 36-bidirectional screw rod, 37-limiting block, 38-inclined plane, 39-worm wheel, 310-worm, 311-jack, 4-control part, 41-rotating rod, 42-rotating sleeve, 43-locking screw and 44-inserted rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example 1
As shown in fig. 1-6, a combined bucket tooth and tooth holder structure for a loader comprises a tooth holder 1 and a bucket tooth 2, wherein a thick screw 11 is fixed on the tooth holder 1, a first through hole 12 is formed in the thick screw 11, a thick screw hole 21 for being in threaded connection with the thick screw 11 is formed in the bucket tooth 2, a second through hole 22 is formed in the position, corresponding to the first through hole 12, of the bucket tooth 2, and a connecting portion 3 is arranged between the first through hole 12 and the second through hole 22. When the tooth holder 1 and the bucket tooth 2 are completely screwed, the first through hole 12 is opposite to the second through hole 22.
Connecting portion 3 includes connecting rod 31, the one end of connecting rod 31 is fixed with connecting plate 32, and the opposite side of connecting rod 31 is equipped with cavity 34, cavity 34 inner wall rotates and is connected with two-way screw rod 36, the equal threaded connection in both sides section of two-way screw rod 36 has stopper 37, stopper 37's the other end and cavity 34 inner wall sliding connection and correspond and stretch out, the interlude cover of two-way screw rod 36 is established and is fixed with worm wheel 39, worm wheel 39's outer end meshing has worm 310, worm 310 rotates with the inner wall of cavity 34 to be connected, and worm 310's one end extends to connecting rod 31's outer terminal surface and has seted up jack 311. Rotate worm 310, drive worm wheel 310 and rotate, drive two-way screw 36 then and rotate to drive the stopper 37 of both sides and outwards move, at this moment, the outer terminal surface of connecting rod 31 is stretched out on the top of stopper 37, and reverse rotation worm 310 can drive the stopper 37 inwards of both sides and move, and when worm 310 rotated motionlessly, the outer terminal surface of stopper 37 stretched into in the connecting rod 31, did not hinder connecting rod 31 and pass through-hole two 12 and through-hole two 22.
The structure further includes a control portion 4 to rotate the worm 310.
In conclusion, when the installation is needed, the toothholder 1 and the bucket tooth 2 are screwed up completely, then one end of the connecting rod 31 penetrates through the first through hole 12 and the second through hole 22, at the moment, the connecting plate 32 contacts with the outer end of the bucket tooth 2, the worm 310 is rotated through the control part 4, the two limiting blocks 37 respectively extend out of the bottom end and the top end of the connecting rod 31, the limiting effect is achieved, the problem that the connecting rod 31 shakes and falls off due to long-time work can be effectively solved, the bucket tooth 2 on the toothholder 1 can be taken down through reverse operation, and the operation is also convenient. In addition, the worm 310 does not extend out of the connecting rod 31, so that the worm 310 is prevented from rotating due to the impact of a foreign object, meanwhile, the worm wheel 39 cannot rotate even if the foreign object impacts the limiting block 37 by utilizing the self-locking effect of the worm wheel 39 and the worm 310, and the limiting block 37 cannot move.
In this embodiment, the control portion 4 includes a rotating rod 41, and an insertion rod 44 adapted to the insertion hole 311 is fixed to the middle section of the outer end of the rotating rod 41. The insertion rod 44 is inserted into the slot 311, and the rotation rod 41 is rotated to rotate the worm 310.
Specifically, the insertion hole 311 is a hexagonal hole, and the insertion rod 44 is a hexagonal rod.
In this embodiment, both ends of the rotating rod 41 are slidably connected with a rotating sleeve 42, and a locking screw 43 is disposed on the rotating sleeve 42. The locking screw 43 is unscrewed, and the rotating sleeve 42 can be pulled outwards, so that the force arm is lengthened and the rotating is easier.
In this embodiment, the first through hole 12 and the second through hole 22 are polygonal holes. The polygonal hole is adopted to replace a round hole, so that the connecting rod 31 can be prevented from rotating, and the stability is improved.
In this embodiment, a support rod 35 is further disposed between the two-way screw 36 and the inner wall of the cavity 34, the support rod 35 is connected to the two-way screw 36 in a penetrating and rotating manner, and the support rod 35 is fixed to the inner wall of the cavity 34.
Example 2
On the basis of embodiment 1, a cushion 33 is fixed on the connecting plate 32 at the outer side of the connecting rod 31, and an inclined surface 38 is arranged at one end of the limiting block 37 close to the bucket tooth 2. Specifically, the cushion 33 is a rubber cushion.
Insert connecting rod 31 behind through-hole 12 and through-hole two 22, rotate worm 310, drive stopper 37 and move outward, inclined plane 38 at first contacts with bucket tooth 2, continue to rotate worm 310, support tightly with 2 outer ends of bucket tooth up to the vertical face of stopper 37, at this moment, cushion 33 is also compressed, bucket tooth 2 is tightly pressed from both sides between stopper 37 and cushion 33, avoid leading to at the during operation because of there being the gap between bucket tooth 2 and stopper 37 and the cushion 33, connecting rod 31 takes place to rock, wear and tear has been reduced, play the guard action.
Example 3
As shown in fig. 7, the first through hole a and the second through hole a are hexagonal holes.
Example 4
As shown in fig. 8, the first through hole b and the second through hole b are octagonal holes.
All kinds of parts used in this application file are standard parts, can purchase from the market, and the specific connected mode of each part all adopts conventional means such as ripe bolt, rivet and welding among the prior art, and machinery, part and electrical equipment all adopt conventional model among the prior art.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides a combination formula bucket tooth and toothholder structure for loader, includes toothholder (1) and bucket tooth (2), its characterized in that: a thick screw (11) is fixed on the tooth holder (1), a first through hole (12) is formed in the thick screw (11), a thick screw hole (21) which is in threaded connection with the thick screw (11) is formed in the bucket tooth (2), a second through hole (22) is formed in the bucket tooth (2) corresponding to the first through hole (12), and a connecting part (3) is arranged between the first through hole (12) and the second through hole (22);
the connecting part (3) comprises a connecting rod (31), a connecting plate (32) is fixed at one end of the connecting rod (31), a cavity (34) is arranged at the other side of the connecting rod (31), a bidirectional screw (36) is rotatably connected to the inner wall of the cavity (34), both side sections of the bidirectional screw (36) are in threaded connection with limiting blocks (37), the other end of each limiting block (37) is in sliding connection with the inner wall of the cavity (34) and correspondingly extends out, a worm wheel (39) is fixedly sleeved on the middle section of the bidirectional screw (36), the outer end of the worm wheel (39) is meshed with a worm (310), the worm (310) is rotatably connected with the inner wall of the cavity (34), and one end of the worm (310) extends to the outer end face of the connecting rod (31) and is provided with an insertion hole (311);
the structure further includes a control portion (4) to rotate the worm (310).
2. The combined bucket tooth and tooth holder structure for a loader of claim 1, wherein: control portion (4) are fixed with jack (311) looks adaptation inserted bar (44) including dwang (41), the outer end interlude of dwang (41).
3. The combined bucket tooth and tooth holder structure for a loader of claim 2, wherein: the insertion holes (311) are hexagonal holes, and the insertion rods (44) are hexagonal rods.
4. The combined tooth and block structure for a loader of claim 2, further comprising: the both ends of dwang (41) all sliding connection have and rotate cover (42), are equipped with locking screw (43) on rotating cover (42).
5. The combined bucket tooth and tooth holder structure for a loader of claim 1, wherein: the first through hole (12) and the second through hole (22) are both polygonal holes.
6. The combined bucket tooth and tooth holder structure for a loader of claim 1, wherein: the connecting plate (32) is located the outside position of connecting rod (31) and is fixed with cushion (33), stopper (37) are close to the one end of bucket tooth (2) and are equipped with inclined plane (38).
7. The combined bucket tooth and tooth holder structure for a loader of claim 6, wherein: the soft pad (33) is a rubber pad.
8. The combined bucket tooth and tooth holder structure for a loader of claim 1, wherein: a support rod (35) is further arranged between the two-way screw rod (36) and the inner wall of the cavity (34), the support rod (35) is connected with the two-way screw rod (36) in a penetrating and rotating mode, and the support rod (35) is fixed to the inner wall of the cavity (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210482716.4A CN115030260A (en) | 2022-05-05 | 2022-05-05 | Combined bucket tooth and tooth seat structure for loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210482716.4A CN115030260A (en) | 2022-05-05 | 2022-05-05 | Combined bucket tooth and tooth seat structure for loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115030260A true CN115030260A (en) | 2022-09-09 |
Family
ID=83119758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210482716.4A Pending CN115030260A (en) | 2022-05-05 | 2022-05-05 | Combined bucket tooth and tooth seat structure for loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115030260A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2008234401A1 (en) * | 2007-04-03 | 2008-10-09 | Cqms Pty Ltd | A mounting pin assembly for an excavator wear member |
| US20130269223A1 (en) * | 2012-04-13 | 2013-10-17 | Raptor Mining Products Inc. | Excavator fastener |
| CN105625498A (en) * | 2015-12-18 | 2016-06-01 | 天津市东达伟业机车车辆有限公司 | Bucket tooth and toothholder combined part |
| CN106592680A (en) * | 2016-12-30 | 2017-04-26 | 永平县建达鑫鑫合金铸造有限公司 | Combination type excavator bucket tooth and die-forging method for tooth tip of combination type excavator bucket tooth |
| CN110230335A (en) * | 2019-04-24 | 2019-09-13 | 宁国市开源电力耐磨材料有限公司 | A kind of excavator bucket teeth connection structure |
| CN213143187U (en) * | 2020-08-17 | 2021-05-07 | 三一重机有限公司 | Tooth pin, bucket tooth assembly and excavator |
| CN216195073U (en) * | 2021-10-08 | 2022-04-05 | 日照顺德机械配件有限公司 | Bucket tooth structure of high-strength excavator bucket |
-
2022
- 2022-05-05 CN CN202210482716.4A patent/CN115030260A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2008234401A1 (en) * | 2007-04-03 | 2008-10-09 | Cqms Pty Ltd | A mounting pin assembly for an excavator wear member |
| US20130269223A1 (en) * | 2012-04-13 | 2013-10-17 | Raptor Mining Products Inc. | Excavator fastener |
| CN105625498A (en) * | 2015-12-18 | 2016-06-01 | 天津市东达伟业机车车辆有限公司 | Bucket tooth and toothholder combined part |
| CN106592680A (en) * | 2016-12-30 | 2017-04-26 | 永平县建达鑫鑫合金铸造有限公司 | Combination type excavator bucket tooth and die-forging method for tooth tip of combination type excavator bucket tooth |
| CN110230335A (en) * | 2019-04-24 | 2019-09-13 | 宁国市开源电力耐磨材料有限公司 | A kind of excavator bucket teeth connection structure |
| CN213143187U (en) * | 2020-08-17 | 2021-05-07 | 三一重机有限公司 | Tooth pin, bucket tooth assembly and excavator |
| CN216195073U (en) * | 2021-10-08 | 2022-04-05 | 日照顺德机械配件有限公司 | Bucket tooth structure of high-strength excavator bucket |
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Application publication date: 20220909 |