CN107090866A9 - A kind of excavator bucket hook - Google Patents
A kind of excavator bucket hook Download PDFInfo
- Publication number
- CN107090866A9 CN107090866A9 CN201611255223.8A CN201611255223A CN107090866A9 CN 107090866 A9 CN107090866 A9 CN 107090866A9 CN 201611255223 A CN201611255223 A CN 201611255223A CN 107090866 A9 CN107090866 A9 CN 107090866A9
- Authority
- CN
- China
- Prior art keywords
- bucket tooth
- guiding gutter
- tooth
- bucket
- auxiliary
- Prior art date
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/32—Rippers
-
- 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
- E02F9/2833—Retaining means, e.g. pins
-
- 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
- E02F9/285—Teeth characterised by the material used
-
- 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
- E02F9/2875—Ripper tips
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Chain Conveyers (AREA)
Abstract
The invention discloses a kind of excavator bucket hook, including installing plate, the both sides in portion are provided with the otic placode with axis hole on a mounting board, in the ratch of the arc of the bottom centre position welded bands bucket tooth of installing plate, sheath is provided with by bearing pin on the inside of the curved surface of ratch arc, set with teeth is installed by bearing pin on bucket tooth top, leading chute is provided with the bucket tooth back side, symmetrically there is auxiliary guiding gutter in the both sides of guiding gutter, guiding gutter is aided in point to outward-dipping extension on the direction of tooth set bottom along bucket tooth bottom, the edge sealing vertical with auxiliary guiding gutter axis is provided with two side walls of auxiliary guiding gutter, and leave gap between two edge sealing.When bucket tooth cuts soil horizon, two auxiliary guiding gutters are symmetricly set on the both sides of leading chute, and guiding gutter is aided in point to outward-dipping extension on the direction of tooth set bottom along bucket tooth bottom, a rectangular column and two inclined T-shaped posts are produced on the section of soil horizon, avoid bucket tooth from occurring declining suddenly in crushing process.
Description
Technical field
The present invention relates to a kind of excavator, in particular to a kind of excavator bucket hook.
Background technology
Excavator ridge buster is also bucket hook, usually monodentate, also there is two teeth or three teeth, and it is strong to excavate cutting-in force.Suitable for pan soil, secondary hard stone, the crushing of land waste, division, in order to be excavated with bucket and loading operation.Bucket tooth is the easy consumption part in the excavator course of work, especially crown position, during with contacting material high speed contact, the impulsive force being subject to is than stronger, if intensity is than relatively low, tooth tip portion easily deforms upon, with the increase of excavating depth and the relative motion with material, forward extrusion power can be produced to the whole surface of bucket tooth, especially in excavating rock class material, frictional force between bucket tooth and material is bigger, therefore the intensity of bucket tooth and construction determine the service life of bucket tooth；Existing bucket tooth has wedge shape, flat, sticker type etc., wedge shape, the bucket tooth of flat more with more blunt, sticker type due to the small wear rate of intensity it is low.
Be mined thing and generally comprise lithosphere, concrete layer and soil horizon, when the bucket of excavator is hooked in incision and is mined thing, its crown position first contacting material surface when due to speed, excavator bucket tip portions are by stronger impact.And for compound stratum, the i.e. composite bed of concrete layer or lithosphere and soil horizon, soil genetic horizon is located at below the concrete layer or lithosphere of high rigidity, and for excavator when being excavated, bucket hook reduces drivage efficiency simultaneously.
The content of the invention
It is an object of the invention to provide a kind of excavator bucket hook, reduces resistance when bucket is hooked in high viscosity soil horizon driving, while improve drivage efficiency.
The purpose of the present invention is achieved through the following technical solutions：
A kind of excavator bucket hook, including installing plate, the otic placode with axis hole is installed in the both sides on the installing plate top, trapezoidal securing plate is welded between two otic placodes, in the ratch of the arc of the bottom centre position welded bands bucket tooth of the installing plate, reinforcing plate is welded between the square edge of the installing plate and the outer wall of the ratch, sheath is provided with by bearing pin on the inside of the curved surface of the ratch arc, set with teeth is installed by bearing pin on the bucket tooth top, leading chute is provided with the bucket tooth back side, symmetrically there is auxiliary guiding gutter in the both sides of the leading chute, the auxiliary guiding gutter points to outward-dipping extension on the direction of tooth set bottom along bucket tooth bottom, the edge sealing vertical with auxiliary guiding gutter axis is provided with two side walls of the auxiliary guiding gutter, and leave gap between two edge sealing.
During work, the connection end of the engineering machinery such as excavator machine is inserted into the axis hole of otic placode by connecting shaft, constructing operation is carried out to Work places, due to being welded with reinforcing plate between the square edge of installing plate and the outer wall of the ratch, and then adds the intensity of ratch；Set with teeth is installed by bearing pin on bucket tooth top, and in bucket hook portion after the concrete layer or lithosphere of high rigidity is penetrated, the working face of bucket tooth enters directly into the relatively small soil horizon of hardness, now because the power output of excavator does not reduce, due to inertia bigger displacement can occur in soil horizon for bucket tooth downwards, struggle against force unbalance between hook portion and the body part of excavator, body part easily leans forward, and causes security incident easily occur when the larger location of the gradient is crushed, divided to lithosphere or concrete layer；For the problem,Inventor is provided with leading chute and two auxiliary guiding gutters on the bucket tooth back side,I.e. after bucket tooth passes through lithosphere or concrete layer,Bucket tooth bottom contacts with soil horizon,Relative extruding is now formed between bucket tooth madial wall and soil horizon,And leading chute and two auxiliary guiding gutters cause bucket tooth madial wall quickly to cut in soil horizon as the cushion space that the extruding force discharges,Part soil is poured into leading chute and two auxiliary guiding gutters simultaneously,So that the contact area of bucket tooth and soil horizon increases,So that a part for medium is directly merged into an entirety with the working face of bucket tooth in soil horizon,And buffer the trend that bucket tooth continues to move down using the viscous force of soil horizon,The mutual stop between the relatively large ratch of external diameter and hardness larger concrete layer or lithosphere is utilized simultaneously,Further reduce the speed that bucket tooth continues to move down,To ensure stability of the bucket tooth in the body part of excavator after concrete layer or lithosphere.Wherein, when bucket tooth cuts soil horizon, two auxiliary guiding gutters are symmetricly set on the both sides of leading chute, and guiding gutter is aided in point to outward-dipping extension on the direction of tooth set bottom along bucket tooth bottom, and aid in being provided with edge sealing on the two side of guiding gutter, i.e. so that the slot-open-section of auxiliary guiding gutter realizes that half wraps up, now the back side of bucket tooth is changed into multi-surface contact with the contact of soil horizon from former plane contact, a rectangular column and two inclined T-shaped posts are produced i.e. on the section of soil horizon, bucket tooth is avoided to occur declining suddenly in crushing process, and reduce motion path of the bucket tooth in retraction, the security that excavator is constructed in heavy grade section is ensured while improving drivage efficiency.
Crown is provided with the bottom of the bucket tooth madial wall, the direction that the crown points to its bottom along at the top of bucket tooth tilts.The crown being obliquely installed causes the end of bucket tooth to have a high intensity and sharp keen incision inferius, while can reduce incision resistance of the material matrix to bucket tooth, while the material for roll upwards quickly moves in guiding gutter.
Abrasion-proof ceramic coat is equipped with the inwall of the auxiliary guiding gutter and leading chute.Due to the quick incision of the working face of bucket tooth, dominate chute and two auxiliary guiding gutters produce friction with soil horizon section, abrasion-proof ceramic coat is set in the inwall of auxiliary guiding gutter and leading chute, the abrasion of bucket tooth working face can be reduced, extend the service life of bucket tooth.
Two side walls of the auxiliary guiding gutter are bent to form arc surface along the direction away from auxiliary guiding gutter axis.The sidewalls flex of guiding gutter is aided in into cambered surface so that the space in auxiliary guiding gutter further expands, and facilitates bucket tooth soil horizon when moving down to form stops to it, and further reduction bucket tooth moves down speed when penetrating concrete layer or lithosphere.
The leading chute is rectangular channel.Preferably, leading chute is arranged into rectangular channel, to ensure to possess between the bucket tooth back side and the section of soil horizon enough contacts area, while the section of soil horizon is utilized to accelerate soil horizon contact with leading chute to extruding force caused by the bucket tooth back side.
The groove width of the auxiliary guiding gutter is successively decreased along its axis to the direction away from tooth set.As preferred, the groove width of guiding gutter is aided in successively decrease along its axis to the direction away from tooth set, that is after incision, the T-shaped column dimension that is formed of soil poured in by soil horizon section in auxiliary guiding gutter is continuously increased bucket tooth, so improve move down speed to bucket tooth slow down effect.
The present invention compared with prior art, has the following advantages and advantages：
1, the present invention bucket tooth cut soil horizon when, two auxiliary guiding gutters are symmetricly set on the both sides of leading chute, and guiding gutter is aided in point to outward-dipping extension on the direction of tooth set bottom along bucket tooth bottom, and aid in being provided with edge sealing on the two side of guiding gutter, i.e. so that the slot-open-section of auxiliary guiding gutter realizes that half wraps up, now the back side of bucket tooth is changed into multi-surface contact with the contact of soil horizon from former plane contact, a rectangular column and two inclined T-shaped posts are produced i.e. on the section of soil horizon, bucket tooth is avoided to occur declining suddenly in crushing process, and reduce motion path of the bucket tooth in retraction, the security that excavator is constructed in heavy grade section is ensured while improving drivage efficiency；
2nd, the crown that the present invention is obliquely installed causes the end of bucket tooth to have a high intensity and sharp keen incision inferius, while can reduce incision resistance of the material matrix to bucket tooth, while the material for roll upwards quickly moves in guiding gutter；
3rd, the present invention is due to the quick incision of the working face of bucket tooth, leading chute and two auxiliary guiding gutters produce friction with soil horizon section, abrasion-proof ceramic coat is set in the inwall of auxiliary guiding gutter and leading chute, the abrasion of bucket tooth working face can be reduced, extend the service life of bucket tooth.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms the part of the application, does not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the rearview of bucket tooth.
Mark and corresponding parts title in accompanying drawing：
1- installing plates, 2- otic placodes, 3- securing plates, 4- axis holes, 5- reinforcing plates, 6- ratch, 7- sheaths, 8- teeth set, 9- bucket tooths, 91- edge sealing, 92- arc surfaces, 10- dominate chute, 11- auxiliary guiding gutter, 12- crowns.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Fig. 1~Fig. 2,The present embodiment includes installing plate 1,The otic placode 2 with axis hole 4 is installed in the both sides on the top of installing plate 1,Trapezoidal securing plate 3 is welded between two otic placodes 2,In the ratch 6 of the arc of the bottom centre position welded bands bucket tooth 9 of the installing plate 1,Reinforcing plate 5 is welded between the square edge of the installing plate 1 and the outer wall of the ratch 6,Sheath 7 is provided with by bearing pin on the inside of the curved surface of the arc of ratch 6,Set 8 with teeth is installed by bearing pin on the top of bucket tooth 9,Leading chute 10 is provided with the back side of bucket tooth 9,Symmetrically there is auxiliary guiding gutter 11 in the both sides of the leading chute 10,The auxiliary guiding gutter 11 points to tooth along the bottom of bucket tooth 9 and covers outward-dipping extension on the direction of 8 bottoms,The edge sealing vertical with the auxiliary axis of guiding gutter 11 is provided with two side walls of the auxiliary guiding gutter 11,And leave gap between two edge sealing.
During work, the connection end of the engineering machinery such as excavator machine is inserted into the axis hole 4 of otic placode 2 by connecting shaft, constructing operation is carried out to Work places, due to being welded with reinforcing plate 5 between the square edge of installing plate 1 and the outer wall of the ratch 6, and then adds the intensity of ratch 6；Set 8 with teeth is installed by bearing pin on the top of bucket tooth 9, and in bucket hook portion after the concrete layer or lithosphere of high rigidity is penetrated, the working face of bucket tooth 9 enters directly into the relatively small soil horizon of hardness, now because the power output of excavator does not reduce, due to inertia bigger displacement can occur in soil horizon for bucket tooth 9 downwards, struggle against force unbalance between hook portion and the body part of excavator, body part easily leans forward, and causes security incident easily occur when the larger location of the gradient is crushed, divided to lithosphere or concrete layer；For the problem,Inventor is provided with leading chute 10 and two auxiliary guiding gutters 11 on the back side of bucket tooth 9,I.e. after bucket tooth 9 passes through lithosphere or concrete layer,The bottom of bucket tooth 9 contacts with soil horizon,Relative extruding is now formed between the madial wall of bucket tooth 9 and soil horizon,And leading chute 10 and two auxiliary guiding gutters 11 cause the madial wall of bucket tooth 9 quickly to cut in soil horizon as the cushion space that the extruding force discharges,Part soil is poured into leading chute 10 and two auxiliary guiding gutters 11 simultaneously,So that the contact area of bucket tooth 9 and soil horizon increases,So that a part for medium is directly merged into an entirety with the working face of bucket tooth 9 in soil horizon,And buffer the trend that bucket tooth 9 continues to move down using the viscous force of soil horizon,The mutual stop between the relatively large ratch 6 of external diameter and hardness larger concrete layer or lithosphere is utilized simultaneously,Further reduce the speed that bucket tooth 9 continues to move down,To ensure stability of the bucket tooth 9 in the body part of excavator after concrete layer or lithosphere.Wherein, when bucket tooth 9 cuts soil horizon, two auxiliary guiding gutters 11 are symmetricly set on the both sides of leading chute 10, and aid in guiding gutter 11 to point to tooth along the bottom of bucket tooth 9 and cover outward-dipping extension on the direction of 8 bottoms, and aid in being provided with edge sealing 91 on the two side of guiding gutter 11, i.e. so that the slot-open-section of auxiliary guiding gutter 11 realizes that half wraps up, now the back side of bucket tooth 9 is changed into multi-surface contact with the contact of soil horizon from former plane contact, a rectangular column and two inclined T-shaped posts are produced i.e. on the section of soil horizon, bucket tooth 9 is avoided to occur declining suddenly in crushing process, and reduce motion path of the bucket tooth 9 in retraction, the security that excavator is constructed in heavy grade section is ensured while improving drivage efficiency.
In the present embodiment, crown 12 is provided with the bottom of the madial wall of bucket tooth 9, the direction that the crown 12 points to its bottom along the top of bucket tooth 9 tilts.The crown 12 being obliquely installed causes the end of bucket tooth 9 to have a high intensity and sharp keen incision inferius, while can reduce incision resistance of the material matrix to bucket tooth 9, while the material for roll upwards quickly moves in guiding gutter.Due to the quick incision of the working face of bucket tooth 9, leading chute 10 and two auxiliary guiding gutters 11 produce friction with soil horizon section, abrasion-proof ceramic coat is set in the inwall of auxiliary guiding gutter 11 and leading chute 10, the abrasion of the working face of bucket tooth 9 can be reduced, extend the service life of bucket tooth 9.
Wherein, the sidewalls flex of guiding gutter 11 is aided in into arc surface 92, so that the space in auxiliary guiding gutter 11 further expands, facilitate the soil horizon when moving down of bucket tooth 9 to form stop to it, further reduce bucket tooth 9 and move down speed when penetrating concrete layer or lithosphere.
Preferably, leading chute 10 is arranged into rectangular channel, to ensure to possess between the back side of bucket tooth 9 and the section of soil horizon enough contacts area, while the section of soil horizon is utilized to accelerate soil horizon contact with leading chute 10 to extruding force caused by the back side of bucket tooth 9.
As preferred, the groove width of guiding gutter 11 is aided in successively decrease along its axis to the direction away from tooth set, that is after incision, the T-shaped column dimension that is formed of soil poured in by soil horizon section in auxiliary guiding gutter 11 is continuously increased bucket tooth 9, so improve move down speed to bucket tooth 9 slow down effect.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are further described, should be understood that the embodiment that the foregoing is only the present invention,
The protection domain being not intended to limit the present invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., it should be included in the scope of the protection.
Claims (6)
1. a kind of excavator bucket hook, including installing plate (1), pacify in the both sides on the installing plate (1) top
Equipped with the otic placode (2) with axis hole (4), trapezoidal securing plate (3) is welded between two otic placodes (2),
In the ratch (6) of the arc of the bottom centre position welded bands bucket tooth (9) of the installing plate (1), in institute
State and be welded with reinforcing plate (5) between the square edge of installing plate (1) and the outer wall of the ratch (6),
Sheath (7) is provided with by bearing pin on the inside of the curved surface of the ratch (6) arc, in the bucket tooth (9)
Top set (8) with teeth is installed by bearing pin, it is characterised in that：Major flow is provided with the bucket tooth (9) back side
Groove (10), symmetrically there are auxiliary guiding gutter (11), the auxiliary in the both sides of the leading chute (10)
Guiding gutter (11) points to outward-dipping extension on the direction of tooth set (8) bottom along bucket tooth (9) bottom,
Two side walls of the auxiliary guiding gutter (11) are provided with the edge sealing vertical with auxiliary guiding gutter (11) axis
(91), and between two edge sealing (91) gap is left.
A kind of 2. excavator bucket hook according to claim 1, it is characterised in that：In the bucket tooth (9)
The bottom of madial wall is provided with crown (12), and the crown (12) points to its bottom along at the top of bucket tooth (9)
The direction in portion tilts.
A kind of 3. excavator bucket hook according to claim 1, it is characterised in that：Led in the auxiliary
Abrasion-proof ceramic coat is equipped with the inwall of chute (11) and leading chute (10).
A kind of 4. excavator bucket hook according to claim 1 or 3, it is characterised in that：The auxiliary
Two side walls of guiding gutter (11) are bent to form arc surface along the direction away from auxiliary guiding gutter (11) axis
(92)。
A kind of 5. excavator bucket hook according to claim 1, it is characterised in that：The leading chute
(10) it is rectangular channel.
A kind of 6. excavator bucket hook according to claim 1, it is characterised in that：The auxiliary water conservancy diversion
The groove width of groove (11) is successively decreased along its axis to the direction away from tooth set (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255223.8A CN107090866A (en) | 2016-12-30 | 2016-12-30 | A kind of excavator bucket hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255223.8A CN107090866A (en) | 2016-12-30 | 2016-12-30 | A kind of excavator bucket hook |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107090866A CN107090866A (en) | 2017-08-25 |
| CN107090866A9 true CN107090866A9 (en) | 2017-12-19 |
Family
ID=59646427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611255223.8A Pending CN107090866A (en) | 2016-12-30 | 2016-12-30 | A kind of excavator bucket hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107090866A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938733B (en) * | 2017-11-29 | 2023-10-20 | 成都凯隆机械维修有限公司 | Hook digging plate with auxiliary bearing mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3325926A (en) * | 1964-03-09 | 1967-06-20 | Mid Continent Steel Casting Co | Digger tooth and assembly for an excavating apparatus |
| US5502905A (en) * | 1994-04-26 | 1996-04-02 | Caterpillar Inc. | Tooth having abrasion resistant material applied thereto |
| CN202164645U (en) * | 2011-07-07 | 2012-03-14 | 徐州徐工筑路机械有限公司 | Front loosener for land leveller |
| CN203654355U (en) * | 2013-12-23 | 2014-06-18 | 山东裕欣机电制造有限公司 | Scarifier |
| US9435100B2 (en) * | 2014-02-28 | 2016-09-06 | Lee A. Horton | High production rock ripping tool |
-
2016
- 2016-12-30 CN CN201611255223.8A patent/CN107090866A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN107090866A (en) | 2017-08-25 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CI02 | Correction of invention patent application | ||
| CI02 | Correction of invention patent application |
Correction item: Description Correct: Correct False: Error Number: 34-02 Page: full text Volume: 33 |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170825 |