CN207484559U - A kind of easy-to-dismount excavator bucket teeth toothholder - Google Patents
A kind of easy-to-dismount excavator bucket teeth toothholder Download PDFInfo
- Publication number
- CN207484559U CN207484559U CN201720830952.5U CN201720830952U CN207484559U CN 207484559 U CN207484559 U CN 207484559U CN 201720830952 U CN201720830952 U CN 201720830952U CN 207484559 U CN207484559 U CN 207484559U
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- Prior art keywords
- compressed spring
- wall
- hole
- dismount
- easy
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Abstract
The utility model discloses a kind of easy-to-dismount excavator bucket teeth toothholders, including bottom plate, weld head with teeth in the upper surface of the bottom plate, the centre of the tooth head is provided with bar hole and rectangular opening, and rectangular opening is connected with bar hole, side inner wall of the rectangular opening far from bar hole slidably connects channel steel and the slot bottom of channel steel is welded with compressed spring, the one end of the compressed spring far from channel steel is connected with convex block, and the top of convex block is welded with round bar, the quantity of the compressed spring is even number, the lower surface of the bottom plate is welded with two vertical walls, and the centre of two vertical walls is provided with counterbore, the bottom of two counterbores is provided with first through hole, the identical opening of structure of two vertical walls is opposite.It is quick that the utility model so that toothholder is more convenient in dismounting, and so as to improve production efficiency, tooth head has the leeway of buffering under large impact power, avoids and directly generates rigid shock with bucket tooth, so as to protect tooth head.
Description
Technical field
The utility model is related to excavator machine bucket technical field more particularly to a kind of easy-to-dismount excavator bucket teeth teeth
Seat.
Background technology
Excavator bucket teeth is the important easy consumption component on excavator, similar to the tooth of people, is made of toothholder and crown
Dipper Teeth, the two by axis pin connect.Since bucket tooth wear out failure part is crown, as long as replacing tool point, work rank
Section because stressing conditions difference, crown position first contacting material surface when, due to speed, bucket tooth nose part is by stronger
Impact, impact force can pass to toothholder, if the yield strength of toothholder is low, it will root portion generate plastic deformation, so as to
Its using effect is influenced, traditional toothholder is largely welded on bucket the rigid contact between bucket, to toothholder and bucket
Loss is all self-evident.
Utility model content
The purpose of this utility model is to solve shortcoming in the prior art, and the one kind proposed is easy-to-dismount
Excavator bucket teeth toothholder.
To achieve these goals, the utility model employs following technical solution：
A kind of easy-to-dismount excavator bucket teeth toothholder, including bottom plate, head with teeth is welded in the upper surface of the bottom plate, described
The centre of tooth head is provided with bar hole and rectangular opening, and rectangular opening is connected with bar hole, the rectangular opening far from bar hole one
Side inner wall slidably connects channel steel and the slot bottom of channel steel is welded with compressed spring, one end clamping of the compressed spring far from channel steel
There is convex block, and the top of convex block is welded with round bar, the quantity of the compressed spring is even number, and the lower surface of the bottom plate is welded
There are two vertical wall, and the centre of two vertical walls is provided with counterbore, and the bottom of two counterbores is provided with first and leads to
Hole, the identical opening of structure of two vertical walls is on the contrary, be plugged with combination latch, and combine in two first through hole
Bolt includes guide and bolt, and the outer wall of the guide and the inner wall of first through hole form clearance fit, and the inner wall of guide is set
There is screw thread, the mode that the inner wall of the guide is connected through a screw thread is screwed together with bolt, between two vertical walls
There is scraper bowl by combination pin pin connection.
Preferably, the density at the compressed spring both ends is different, and compressed spring is larger close to one end density of channel steel,
The inner wall of compressed spring forms clearance fit with convex block.
Preferably, the compressed spring is damping spring, and the line footpath of compressed spring is less than eight millimeters, the height of compressed spring
Degree is less than or equal to the depth of channel steel.
Preferably, side of the round bar far from convex block is provided with half slot, and the radian of half slot and bucket tooth bolt is outer
Diameter is adapted.
Preferably, the scraper bowl is provided with the second through-hole at first through hole, and the inner wall of the second through-hole and guide is outer
Wall forms transition cooperation.
Preferably, the bottom plate and vertical wall are Cr, Mn, Si steel alloy after normalized treatment, and the matter of element
It is respectively 0.91%Cr, 0.83%Mn, 0.92%Si to measure score.
The beneficial effects of the utility model are：Pass through the combination pin of setting so that toothholder be more convenient in dismounting it is quick, from
And improve production efficiency；Pass through the counterbore of setting so that the surface of vertical wall avoids increasing because of protruding for plunger
Frictional force, so as to which scraper bowl can be cut the earth with labour-saving；Pass through the compressed spring of setting so that tooth head has slow under large impact power
The leeway of punching avoids and directly generates rigid shock with bucket tooth, so as to protect tooth head；By the channel steel and round steel of setting, keep away
Compressed spring is exempted to be in direct contact with bucket tooth bolt, ensure that compressed spring can normally stretch during the work time.
Description of the drawings
Fig. 1 be the utility model proposes a kind of easy-to-dismount excavator bucket teeth toothholder side structure schematic view；
Fig. 2 be the utility model proposes a kind of easy-to-dismount excavator bucket teeth toothholder combination pin sectional structure signal
Figure.
In figure：1 bottom plate, 2 tooth heads, 3 bar holes, 4 round bars, 5 rectangular openings, 6 channel steels, 7 compressed springs, 8 vertical walls, 9 shovels
Bucket, 10 second through-holes, 11 first through hole, 12 counterbores, 13 bolts, 14 guidees.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.
With reference to Fig. 1-2, a kind of easy-to-dismount excavator bucket teeth toothholder, bottom plate 1, head with teeth is welded in the upper surface of bottom plate 1
2, the centre of tooth head 2 is provided with bar hole 3 and rectangular opening 5, and rectangular opening 5 is connected with bar hole 3, and rectangular opening 5 is far from bar hole 3
Side inner wall slidably connect the slot bottom of channel steel 6 and channel steel 6 and be welded with compressed spring 7, compressed spring 7 far from channel steel 6 one
End is connected with convex block, and the top of convex block is welded with round bar 4, and the quantity of compressed spring 7 is even number, and the lower surface of bottom plate 1 is welded
It connects there are two vertical wall 8, and the centre of two vertical walls 8 is provided with counterbore 12, the bottoms of two counterbores 12 is provided with the
One through-hole 11, the identical opening of structure of two vertical walls 8 in two first through hole 11 on the contrary, be plugged with combination latch, and group
It closes bolt and includes guide 14 and bolt 13, the outer wall of guide 14 forms clearance fit, and guide 14 with the inner wall of first through hole 11
Inner wall be equipped with screw thread, the mode that the inner wall of guide 14 is connected through a screw thread is screwed together with bolt 13, two vertical walls
There is scraper bowl 9 by combination pin pin connection between 8.
In the utility model, the density at 7 both ends of compressed spring is different, and compressed spring 7 is close to one end density of channel steel 6
Larger, the inner wall of compressed spring 7 and convex block form clearance fit, and compressed spring 7 is damping spring, and the line footpath of compressed spring 7
Less than eight millimeters, the height of compressed spring 7 is less than or equal to the depth of channel steel 6, and side of the round bar 4 far from convex block is provided with half slot,
And the radian of half slot is adapted with the outer diameter of bucket tooth bolt, scraper bowl 9 is provided with the second through-hole 10 at first through hole 11, and
The inner wall of second through-hole 10 forms transition cooperation with the outer wall outer wall of guide 14, and bottom plate 1 and vertical wall 8 are by normalized treatment
Cr, Mn, Si steel alloy afterwards.
Operation principle：If you need to dismantle toothholder during use, the soil blocked inside the interior hexagonal of bolt 13 is cleared up first dry
Only, it is connected in interior hexagonal with the allen wrench being adapted with hexagonal in bolt 13 later, hexagonal is pulled in the rotation of another mistake hour hands
Hand takes out bolt 13, and the phenomenon that being difficult to extract if there is guide 14, pin is injected with the diameter small round steel smaller than 14 internal diameter of guide
In set 14, then firmly ejection guide 14.
The preferable specific embodiment of the above, only the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
- A kind of 1. easy-to-dismount excavator bucket teeth toothholder, including bottom plate (1), which is characterized in that the upper surface of the bottom plate (1) Head with teeth (2) is welded, the centre of the tooth head (2) is provided with bar hole (3) and rectangular opening (5), and rectangular opening (5) and bar hole (3) it is connected, side inner wall of the rectangular opening (5) far from bar hole (3) slidably connects the slot of channel steel (6) and channel steel (6) Back welding is connected to compressed spring (7), and the one end of the compressed spring (7) far from channel steel (6) is connected with convex block, and the top weldering of convex block Round bar (4) is connected to, the quantity of the compressed spring (7) is even number, and the lower surface of the bottom plate (1) is welded with two and vertically stands Plate (8), and the centre of two vertical walls (8) is provided with counterbore (12), the bottom of two counterbores (12) is provided with first Through-hole (11), the identical opening of structure of two vertical walls (8) in two first through hole (11) on the contrary, be plugged with group Bolt is closed, and combination latch includes guide (14) and bolt (13), the outer wall of the guide (14) is interior with first through hole (11) Wall forms clearance fit, and the inner wall of guide (14) is equipped with screw thread, the mode that the inner wall of the guide (14) is connected through a screw thread It is screwed together with bolt (13), has scraper bowl (9) by combination pin pin connection between two vertical walls (8).
- A kind of 2. easy-to-dismount excavator bucket teeth toothholder according to claim 1, which is characterized in that the compressed spring (7) density at both ends is different, and compressed spring (7) is larger close to one end density of channel steel (6), the inner wall of compressed spring (7) Clearance fit is formed with convex block.
- A kind of 3. easy-to-dismount excavator bucket teeth toothholder according to claim 1, which is characterized in that the compressed spring (7) it is damping spring, and the line footpath of compressed spring (7) is less than eight millimeters, the height of compressed spring (7) is less than or equal to channel steel (6) Depth.
- A kind of 4. easy-to-dismount excavator bucket teeth toothholder according to claim 1, which is characterized in that the round bar (4) Side far from convex block is provided with half slot, and the radian of half slot is adapted with the outer diameter of bucket tooth bolt.
- A kind of 5. easy-to-dismount excavator bucket teeth toothholder according to claim 1, which is characterized in that the scraper bowl (9) The second through-hole (10), and the outer wall outer wall shape of the inner wall of the second through-hole (10) and guide (14) are provided at first through hole (11) Coordinate into transition.
- A kind of 6. easy-to-dismount excavator bucket teeth toothholder according to claim 1, which is characterized in that the bottom plate (1) It is Cr, Mn, Si steel alloy after normalized treatment with vertical wall (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720830952.5U CN207484559U (en) | 2017-07-11 | 2017-07-11 | A kind of easy-to-dismount excavator bucket teeth toothholder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720830952.5U CN207484559U (en) | 2017-07-11 | 2017-07-11 | A kind of easy-to-dismount excavator bucket teeth toothholder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207484559U true CN207484559U (en) | 2018-06-12 |
Family
ID=62484271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720830952.5U Expired - Fee Related CN207484559U (en) | 2017-07-11 | 2017-07-11 | A kind of easy-to-dismount excavator bucket teeth toothholder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207484559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305986A (en) * | 2022-09-15 | 2022-11-08 | 江西爱丽新材料科技有限公司 | Many tooth holders connecting piece that fill tooth high-speed joint |
-
2017
- 2017-07-11 CN CN201720830952.5U patent/CN207484559U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115305986A (en) * | 2022-09-15 | 2022-11-08 | 江西爱丽新材料科技有限公司 | Many tooth holders connecting piece that fill tooth high-speed joint |
| CN115305986B (en) * | 2022-09-15 | 2023-09-22 | 江西爱丽新材料科技有限公司 | Toothholder connecting piece of many bucket teeth quick connect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20190711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |