CN107059984A - Bucket tooth component - Google Patents
Bucket tooth component Download PDFInfo
- Publication number
- CN107059984A CN107059984A CN201710295342.4A CN201710295342A CN107059984A CN 107059984 A CN107059984 A CN 107059984A CN 201710295342 A CN201710295342 A CN 201710295342A CN 107059984 A CN107059984 A CN 107059984A
- Authority
- CN
- China
- Prior art keywords
- hole
- tooth
- pin
- toothholder
- bucket tooth
- 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.)
- Granted
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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
Abstract
The present invention relates to bucket tooth component, rocked to solve tooth set in existing bucket tooth component easily with respect to toothholder, the shortcoming of not easy care；A kind of bucket tooth component is provided, including toothholder, tooth set, the tooth set rear end is cavity open backward, toothholder is used for connection-peg of the sleeve in tooth set rear end cavity by the installation portion at rear portion and on installation portion front end face and constituted, it is characterized in that being provided with the pin-and-hole of connection-peg described in left and right horizontal insertion on the connection-peg, two lock pins in left and right are provided with pin-and-hole, spring is provided between two lock pins, the latch aperture that correspondence is respectively arranged with the left and right medial surface of rear end cavity for the two latch pin ends insertions in left and right is covered in the tooth.Lock pin of the present invention is protected from lateral external forces impact on the inside of toothholder and tooth set by tooth set, and connection is reliable.
Description
Technical field
The present invention relates to a kind of digging element, more particularly to a kind of bucket tooth component.
Background technology
Engineering machinery, the excavator in mining machinery field, loading machine, Mars Miner are excavated or reprinted by using scraper bowl
Operation, scraper bowl plays cutting material and loaded material.To reduce Cat-in resisting force, increase scraper bowl cutting power, it is necessary in shovel
Bucket leading portion installs bucket tooth component additional, its purpose：One is to protect scraper bowl working end not by too early, mistake quick-wearing；Two be increase incision energy
Power；Three be by changing worn-out bucket tooth component, scraper bowl working end is kept sharp, while reducing maintenance cost.
Bucket tooth component is usually designed to several parts, and such as tooth set, toothholder and locking piece, wherein tooth set belong to vulnerable part, mill
Need to be changed after damage, locking piece and toothholder are generally reusable component.There is ledge toothholder front end, can with sleeve in
In the cavity of tooth set rear end, toothholder and tooth set is set to be combined together and not depart from by locking piece.When needing to change tooth set, pass through
Locking piece is removed, to change tooth set.In existing bucket tooth component, the cooperation of tooth set and denticle is also the simple pre-small post-large conical surface
Coordinate.Because of processing, fixed reason, fit clearance is big, in loading machine discharging, and tooth set can be rocked around steady pin.
Because scraper bowl working environment is complicated, the stressing conditions of bucket tooth also very severe, bucket tooth will bear axle in operation process
To impulsive force and moment of torsion caused by the alternate loads such as load, vertical load, lateral load.The company of rational design toothholder and tooth set
Connect, that matching relationship is existing is particularly important.Stability Analysis of Structures is wanted in the cooperation of toothholder and tooth set, and intensity is high, easy to assemble, reliability is high.Together
When need because of the layout of bucket tooth component, and safeguard that space is limited, the design of locking piece is also extremely important, is broadly divided into three big
Class：Lateral pin, perpendicular pin, abaculus.Lateral pin fairly simple easy realization in layout, requires low to bucket tooth component, but in bucket tooth spacing
Not easy care is limited with space because turning on small scraper bowl, gap is big, and tooth set is rocked substantially.Perpendicular pin is not limited by tooth pitch, but
The upper inconvenience of bucket tooth arrangement, complex process.Abaculus formula is low to space requirement, and arrangement is convenient, but the mechanical property to abaculus will
Ask high, it is necessary to which special toothholder and bucket tooth coordinate the active force reduced to abaculus.
The content of the invention
It is an object of the invention to be rocked for tooth set in existing bucket tooth component easily with respect to toothholder, the shortcoming of not easy care
And provide a kind of simple in construction, tooth set and toothholder fit clearance is small, rock small bucket tooth component.
The present invention is such for the technical scheme for realizing its purpose：A kind of bucket tooth component, including toothholder, tooth set are provided,
Tooth set rear end is cavity open backward, and toothholder is to be used for sleeve by the installation portion at rear portion and on installation portion front end face
The connection-peg composition in the cavity of rear end is covered in the tooth, it is characterised in that be provided with the connection-peg described in left and right horizontal insertion
The pin-and-hole of connection-peg, two lock pins in left and right are provided with pin-and-hole, spring is provided between two lock pins, after tooth set
Latch aperture of the correspondence for the two latch pin ends insertions in left and right is respectively arranged with the left and right medial surface for holding cavity.
In above-mentioned bucket tooth component, be provided with a vertical core on the connection-peg of the toothholder, the lower end of the vertical core with it is described
Pin-and-hole connect, the tooth, which is put, is provided with a through hole connected with the vertical core, the through hole positioned at the vertical core just on
Plug is provided with side, the through hole.
In above-mentioned bucket tooth component, the plug is connected with the through-hole wall screw thread, plug and through-hole wall screw thread
It is connected, plug should not come off, while can seal well, prevent foreign matter from entering.
In above-mentioned bucket tooth component, the spring is in " several " shape, and top is elastic portion, and the two ends of bottom are corresponded to and a left side respectively
The plunger contacts connection of right both sides.
In above-mentioned bucket tooth component, described vertical core is in flat, and the width of the vertical core fore-and-aft direction is less than left and right directions
On width, flat vertical core can prevent the spring being located therein from deflecting.
In above-mentioned bucket tooth component, the latch aperture is counterbore.Or the latch aperture is shoulder hole, the end of the lock pin is located at
The large aperture section of the latch aperture, the small-bore section of the latch aperture is located at large aperture section outside.The small-bore section of the latch aperture
Inside it is provided with screw.
Compared with prior art, lock pin of the present invention is protected from lateral out the present invention on the inside of toothholder and tooth set by tooth set
Power is impacted, and connection is reliable.
Brief description of the drawings
Fig. 1 is the exploded view of bucket tooth component of the present invention.
Fig. 2 is the sectional elevation of bucket tooth component of the present invention.
Fig. 3 is the longitudinal section of bucket tooth component of the present invention.
Parts title and sequence number in figure：
Toothholder 1, pin-and-hole 11, vertical core 12, tooth set 2, through hole 21, latch aperture 22, lock pin 3, spring 4, plug 5.
Embodiment
Illustrate specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the bucket tooth component in the present invention includes toothholder 1, tooth set 2, it is chamber open backward that tooth, which covers 2 rear ends,
Body, toothholder 1 is to cover the connection-peg in the cavity of rear end in tooth by the installation portion at rear portion and for sleeve on installation portion front end face
Composition, installation portion is used to be connected with the knife plate of scraper bowl.The pin-and-hole 21 of left and right horizontal insertion connection-peg is provided with connection-peg,
Two lock pins 3 in left and right are provided with pin-and-hole 21, spring 4 is provided between two lock pins 3, the left and right of 2 rear end cavitys is covered in tooth
Latch aperture 21 of the correspondence for two end of lock pin 3 insertions in left and right is respectively arranged with medial surface.
As shown in Fig. 2 Fig. 3, a vertical core 12 is provided with the connection-peg of toothholder 1, before vertical core 12 is in flat, vertical core 12
Rear to width be less than left and right directions on width.The lower end of vertical core 12 is connected with pin-and-hole 11.
Spring 4 is in " several " shape, and top is elastic portion, and elastic portion is located in vertical core 12, the two ends of bottom correspond to respectively with
The contact connection of lock pin 3 of the left and right sides, spring 4 provides elastic force to lock pin 3, and by lock pin 3, both sides are pushed away to the left and right, make lock pin 3 from pin
The two ends in hole 11 are stretched out and are embedded into the latch aperture 22 on tooth set cavity wall respectively, prevent tooth from covering 2 and being separated with toothholder 1.
A through hole 21 connected with vertical core 12 is provided with tooth set 2, through hole 21 is located at the surface of vertical core 12, through hole 21
Plug 5 is inside provided with, plug 5 is connected with the inner thread of through hole 21.
Bucket tooth component assembling process in the present invention is as follows：Spring 4 is placed into the vertical core 12 of toothholder 1, and by two
Lock pin 3 is encased in pin-and-hole 11 from the two ends of pin-and-hole 11 respectively, is extruded toothholder 1 after lock pin 3 makes lock pin 3 in pin-and-hole 11
Connection-peg is inserted into the cavity of tooth set 2, and after connection-peg is inserted in place, lock pin 3 is moved and made in the effect of the elastic force of spring 4
The end of lock pin 3 is embedded into latch aperture 22, realizes that tooth set 2 is connected with the anti-dropout of toothholder 1, while plug 5 is rotatably mounted in
In the through hole 21 of tooth set 2, vertical core 12 and pin-and-hole 11 are sealed, prevent foreign matter from entering in pin-and-hole 11.When needing tooth set
When being separated with toothholder, then the plug spiral put tooth in through hole takes out, and reuses hook instrument and takes out spring, beats tooth set
Lock pin is receded into pin-and-hole, realize the separation of tooth set and toothholder.
In the present embodiment, latch aperture 21 is counterbore, and in the specific implementation, latch aperture 21 may be arranged as ladder hole, aperture
Footpath section outside, it is usual in use, small-bore section in mounting screw block.When being split to toothholder and tooth set, aperture is removed
Screw in the section of footpath, makes it be withdrawn completely into pin-and-hole, tooth set is departed from toothholder using thimble extruding lock pin.
In the present embodiment, lock pin is protected from lateral external forces impact on the inside of toothholder and tooth set by tooth set, and connection is reliable.
In bucket tooth component in above-described embodiment, vertical core can not be set on toothholder, tooth puts and do not set through hole, and now spring can
Using spiral compression spring, the bucket tooth component of this structure is after assembling is completed, and lock pin is on the inside of toothholder and tooth set, by tooth set
Lateral external forces impact is protected from, connection is reliable, but tooth set can not be separated after being assembled with toothholder, it is necessary to cover the side of cavity to tooth
After wall is destroyed, or drilling makes lock pin to separate tooth set and toothholder after receding into pin-and-hole.
Claims (8)
1. a kind of bucket tooth component, including toothholder, tooth set, the tooth set rear end is cavity open backward, and toothholder is by rear portion
Installation portion and the connection-peg composition on installation portion front end face for sleeve in tooth set rear end cavity, it is characterised in that
The pin-and-hole of connection-peg described in left and right horizontal insertion is provided with the connection-peg, two lock pins in left and right are provided with pin-and-hole,
Spring is provided between two lock pins, is covered in the tooth and correspondence is respectively arranged with the left and right medial surface of rear end cavity for left and right two
The latch aperture of individual latch pin ends insertion.
2. bucket tooth component according to claim 1 a, it is characterised in that vertical core is provided with the connection-peg of the toothholder,
The lower end of the vertical core is connected with the pin-and-hole, and the tooth, which is put, is provided with a through hole connected with the vertical core, described logical
Hole position in the surface of the vertical core, the through hole in being provided with plug.
3. bucket tooth component according to claim 2, it is characterised in that the plug coordinates with the through-hole wall screw thread and connected
Connect.
4. bucket tooth component according to any one of claim 1 to 3, it is characterised in that the spring is in " several " shape, on
Portion is elastic portion, and the two ends of bottom are corresponded to respectively to be connected with the plunger contacts of the left and right sides.
5. bucket tooth component according to claim 4, it is characterised in that described vertical core is in flat, the vertical core front and back
To width be less than left and right directions on width.
6. bucket tooth component according to claim 4, it is characterised in that the latch aperture is counterbore.
7. bucket tooth component according to claim 4, it is characterised in that the latch aperture is shoulder hole, the end position of the lock pin
In the large aperture section of the latch aperture, the small-bore section of the latch aperture is located at large aperture section outside.
8. bucket tooth component according to claim 7, it is characterised in that be provided with screw in the small-bore section of the latch aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295342.4A CN107059984B (en) | 2017-04-28 | 2017-04-28 | Bucket tooth assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295342.4A CN107059984B (en) | 2017-04-28 | 2017-04-28 | Bucket tooth assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107059984A true CN107059984A (en) | 2017-08-18 |
| CN107059984B CN107059984B (en) | 2020-09-08 |
Family
ID=59603373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710295342.4A Active CN107059984B (en) | 2017-04-28 | 2017-04-28 | Bucket tooth assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107059984B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388016A (en) * | 2017-09-05 | 2017-11-24 | 邓雪松 | A kind of splicing structure |
| CN107386356A (en) * | 2017-08-30 | 2017-11-24 | 宁波吉威熔模铸造有限公司 | A kind of manufacture craft of excavator bucket teeth |
| CN107388015A (en) * | 2017-09-05 | 2017-11-24 | 邓雪松 | A kind of splicing structure |
| CN109138039A (en) * | 2018-11-01 | 2019-01-04 | 中交天津航道局有限公司 | A kind of shoveling equipment locking teeth device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1416721A (en) * | 1972-01-06 | 1975-12-03 | Petersen G A | Tooth toothholder and retainer combination |
| US5134793A (en) * | 1991-08-05 | 1992-08-04 | Bierwith Robert S | Tooth mount for excavating bucket |
| CN101851943A (en) * | 2009-03-30 | 2010-10-06 | 柯荣庆 | Replacing and clamping-pushing device of digging and shoveling teeth of engineering construction machines and tools |
| CN201771015U (en) * | 2010-07-02 | 2011-03-23 | 上海彭浦机器厂有限公司 | Excavator bucket tooth |
| CN103774713A (en) * | 2013-11-26 | 2014-05-07 | 广西柳工机械股份有限公司 | Bucket tooth assembly |
-
2017
- 2017-04-28 CN CN201710295342.4A patent/CN107059984B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1416721A (en) * | 1972-01-06 | 1975-12-03 | Petersen G A | Tooth toothholder and retainer combination |
| US5134793A (en) * | 1991-08-05 | 1992-08-04 | Bierwith Robert S | Tooth mount for excavating bucket |
| CN101851943A (en) * | 2009-03-30 | 2010-10-06 | 柯荣庆 | Replacing and clamping-pushing device of digging and shoveling teeth of engineering construction machines and tools |
| CN201771015U (en) * | 2010-07-02 | 2011-03-23 | 上海彭浦机器厂有限公司 | Excavator bucket tooth |
| CN103774713A (en) * | 2013-11-26 | 2014-05-07 | 广西柳工机械股份有限公司 | Bucket tooth assembly |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386356A (en) * | 2017-08-30 | 2017-11-24 | 宁波吉威熔模铸造有限公司 | A kind of manufacture craft of excavator bucket teeth |
| CN107388016A (en) * | 2017-09-05 | 2017-11-24 | 邓雪松 | A kind of splicing structure |
| CN107388015A (en) * | 2017-09-05 | 2017-11-24 | 邓雪松 | A kind of splicing structure |
| CN107388015B (en) * | 2017-09-05 | 2020-07-28 | 邓雪松 | Assembling structure |
| CN107388016B (en) * | 2017-09-05 | 2020-07-28 | 邓雪松 | Assembling structure |
| CN109138039A (en) * | 2018-11-01 | 2019-01-04 | 中交天津航道局有限公司 | A kind of shoveling equipment locking teeth device |
| CN109138039B (en) * | 2018-11-01 | 2024-04-12 | 中交天津航道局有限公司 | Locking tooth device for excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107059984B (en) | 2020-09-08 |
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