CN206512775U - A kind of high intensity bucket tooth - Google Patents
A kind of high intensity bucket tooth Download PDFInfo
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- CN206512775U CN206512775U CN201621478383.4U CN201621478383U CN206512775U CN 206512775 U CN206512775 U CN 206512775U CN 201621478383 U CN201621478383 U CN 201621478383U CN 206512775 U CN206512775 U CN 206512775U
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- China
- Prior art keywords
- crown
- connecting seat
- bucket tooth
- high intensity
- utility
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Abstract
The utility model discloses a kind of high intensity bucket tooth, including connecting seat and crown, connecting seat uses medium carbon steel casting, crown uses high strength alloy steel die-forging forming, connecting seat lower surface is provided with connecting plate close to the side of crown, connecting seat upper surface is provided with pressing plate close to crown side, connecting seat and the opposite end face of crown, pressing plate and connecting plate collectively form a mounting groove, crown is located in mounting groove close to one end of connecting seat, it is detachably connected between crown and connecting seat, connecting seat is provided with pilot hole on the side wall away from crown, the pilot hole is used to connecting seat being connected with bucket.Connecting seat and crown of the present utility model use different materials, the crown intensity of high strength alloy steel forging molding is very high, crown is set to have very high hardness, wearability is good, and the connecting seat of medium carbon steel casting, with good comprehensive mechanical property, good toughness, it is difficult to snap, so that the utility model has higher service life.
Description
Technical field
The utility model is related to excavator accessory technical field, is specifically related to a kind of high intensity bucket tooth.
Background technology
The bucket tooth of excavator-type shovel clamshell excavator is presently used for, bucket lower end is fixed on, directly contacts road surface, its effect is to scoop up
The hard thing such as stone, soil, so as to protect bucket without damage.Bucket tooth is the easy consumption part in the excavator course of work,
When with contacting material high speed contact, the impulsive force being subject to is than stronger, if strength ratio is relatively low, tooth tip portion is easily deformed upon,
With the increase of excavating depth and the relative motion with material, the whole surface to bucket tooth can produce forward extrusion power, especially dig
When digging rock type material, the frictional force between bucket tooth and material is bigger, therefore the intensity and construction of bucket tooth determine bucket tooth
Service life
The bucket tooth of prior art typically uses low-alloy steel material, and the comprehensive mechanical property of low-alloy steel material is preferable, no
Easily there is situation about snapping, but the abrasion of low-alloy steel material is than more serious, when may wear to can not play a protective role when, then
Need to carry out replacing processing, frequently changing bucket tooth not only reduces efficiency, so that use cost is also greatly increased；And
If when making bucket tooth using the higher alloy material of hardness, although with preferable anti-wear performance, but comprehensive mechanical property
It is poor, it is easy to snap when using.
Utility model content
In view of the above-mentioned problems of the prior art, the utility model is further improved on prior art basis,
The utility model is related to a kind of high intensity bucket tooth, and tip portions intensity of the present utility model is higher, and anti-wear performance is good, and and crown
The connecting seat being detachably connected has good comprehensive mechanical property, is not susceptible to phenomenon of snapping, so that the utility model has
Standby longer service life.
The utility model is achieved through the following technical solutions above-mentioned utility model purpose.
A kind of high intensity bucket tooth, including connecting seat and crown, the connecting seat use medium carbon steel casting, the crown
Using high strength alloy steel die-forging forming, the connecting seat lower surface is provided with connecting plate, connecting seat close to the side of crown
Surface is provided with pressing plate close to crown side, and the connecting seat end face opposite with crown, pressing plate and connecting plate are collectively formed
One mounting groove, the crown is located in mounting groove close to one end of connecting seat, is detachably connected between the crown and connecting seat,
The connecting seat is provided with pilot hole on the side wall away from crown, the pilot hole is used to connecting seat being connected with bucket.
Connecting seat and crown of the present utility model use different materials, and the crown intensity of high strength alloy steel forging molding is very
Height, makes crown have very high hardness, wearability is good, and the connecting seat of medium carbon steel casting, with good comprehensive mechanical property
Can, good toughness is difficult to snap, so that the utility model has higher service life, and has just been made with pure high-strength alloy
Into bucket tooth compare, reduce cost.The utility model is provided with pressing plate and connecting plate on connecting seat, is on the one hand easy to tooth
Point is assembled with connecting seat, and more importantly when bucket is moved upwards, crown is limited jointly by downward pressure, now pressing plate and connecting plate
Crown processed is tilted down, so as to ensure the mining effect of bucket tooth.Crown and connecting seat are detachably connected, and are easy to according to service condition
Crown or connecting seat are flexibly changed, without changing whole bucket tooth.
Further, the upper surface of the crown is set to rectangular-shaped concave surface, and the concave surface is from crown upper surface with pressing
Edges of boards extend in one end of the remote connecting seat of crown, the concave surface along contact position and are provided with two or more reinforcements
Muscle.High strength alloy steel cost is higher, to save manufacturing cost, and crown upper surface is set into concave surface, and in concave surface with setting
Reinforcement, that is, save manufacturing cost, and the higher intensity of the utility model is can guarantee that again.
Further, the crown lower surface is provided with a stage portion, the height of the stage portion close to one end of connecting seat
Degree is equal to or more than the thickness of connecting plate, the horizontal plane of the stage portion and the upper surface of connecting plate, so as to make crown
The lower surface basic horizontal of lower surface and connecting seat, or high crown lower surface are less than the lower surface of connecting seat, so as to reduce this reality
With the frictional force on during new use and ground.
Further, connected between the crown and connecting seat by screw rod, two or two are offered on this connecting plate of institute
The tapped through hole matched with screw rod more than individual, lower surface and the tapped through hole corresponding position of the crown are offered and screw rod
The tapped blind hole of matching.From thread connecting mode, it is easy to the assembly or disassembly of crown and connecting seat.
Further, the connecting plate and pressing plate and connecting seat are integrally into casting.
Further, connecting seat on the opposite end face of crown with being fixedly installed elastomeric element in the mounting groove, elasticity
Part is used to buffer impulsive force of the crown to connecting seat, plays a part of protecting connecting seat.
Further, the elastomeric element is nitrile rubber block, nitrile rubber block has heat-resisting, wear-resisting and ageing-resistant
Feature, and also good water resistance, air-tightness and excellent adhesive property.
Further, the crown uses A-100 alloy steel dies forging moldings, and the contour forging technique of crown comprises the following steps：
Step 1：Blanking；
Step 2：Blank machine adds；
Step 3：By machine plus after blank be put into electric furnace heating；
Step 4：Forging famine, air cooling after completion forging is waste are carried out using flat-die hammer；
Step 5：Famine material is put into electric furnace heating, while carrying out mould preheating；
Step 6：Using jump bit or counter-blow hammer die forging, air cooling after die forging is completed；
Step 7：Heat treatment.
The die-forging forming process of crown is completed by two fire, crystal grain can be made more to refine, the higher intensity of crown is ensured.
Further, the heating process of blank is that electric in-furnace temperature first is risen into 850 DEG C, is then incubated in the step 2
60min, then electric in-furnace temperature is risen to 1050 DEG C, it is incubated 30min；
The heating process of waste material is that electric in-furnace temperature first is risen into 850 DEG C in the step 5, is then incubated 40min, then
Electric in-furnace temperature is risen to 1050 DEG C, 25min is incubated.
Blank or waste material are heated to 850 DEG C and are incubated, it is therefore intended that prevent that heating is too fast, and built-in thermal stress is excessive to cause production
Raw crackle, influences the performance of crown.Blank or waste material are being heated to 1050 DEG C and are being incubated, it is therefore intended that make interior tissue austenite
Change, be conducive to deformation.
Further, the preheating temperature of mould is 250 DEG C~350 DEG C in the step 2, a length of 2 hours during preheating.
The utility model compared with prior art, is at least with following beneficial effect：
(1) crown is made the utility model of different materials, and the crown intensity of high strength alloy steel forging molding is very
Height, makes crown have very high hardness and intensity, wearability is good, and the connecting seat of medium carbon steel casting, with good comprehensive
Mechanical property, good toughness is difficult to snap, so that the utility model has higher service life, and is closed with pure high intensity
The bucket tooth machine ratio that Buddha's warrior attendant is made, reduces cost.
(2) the utility model is provided with pressing plate and connecting plate on connecting seat, is on the one hand easy to fill crown and connecting seat
Match somebody with somebody, more importantly when bucket is moved upwards, crown is limited crown and dipped down jointly by downward pressure, now pressing plate and connecting plate
Tiltedly, so as to ensure the mining effect of bucket tooth.
(3) high strength alloy steel cost is higher, and to save manufacturing cost, crown upper surface is set into concave surface, and recessed
Face saves manufacturing cost, the higher intensity of the utility model is can guarantee that again with reinforcement is set.
(4) the utility model completes the die-forging forming process of crown by two fire, crystal grain can be made more to refine, and without
Excessive forging times are wasted, that is, has ensured the higher intensity of crown, processing cost has been saved again.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is a kind of schematic perspective view of embodiment of the utility model；
A kind of front view of embodiment of Fig. 2 the utility model.
Reference and correspondence title in figure：
1- connecting seats, 2- crowns, 3- screw rods, 4- elastomeric elements, 11- connecting plates, 12- pressing plates, 13- pilot holes, 21- strengthens
Muscle, 22- stage portions.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as limiting of the present utility model.
Embodiment 1：
As depicted in figs. 1 and 2, a kind of high intensity bucket tooth, including connecting seat 1 and crown 2, connecting seat 1 are cast using medium carbon steel
Type is caused, crown 2 uses high strength alloy steel die-forging forming, and the lower surface of connecting seat 1 is provided with connecting plate close to the side of crown 2
11, the upper surface of connecting seat 1 is provided with pressing plate 12 close to the side of crown 2, connecting seat 1 and the opposite end face of crown 2, pressing plate 12 and
Connecting plate 13 collectively forms a mounting groove, and crown 2 is located in mounting groove close to one end of connecting seat 1, crown 2 and connecting seat 1 it
Between be detachably connected, connecting seat 1 is provided with pilot hole 13 on the side wall away from crown 2, pilot hole 13 is used for connecting seat 1
It is connected with bucket.
Connecting seat 1 and crown 2 of the present utility model use different materials, crown the last 2 of high strength alloy steel forging molding
Degree is very high, crown 2 is had very high hardness, wearability is good, and the connecting seat 1 of medium carbon steel casting, with good comprehensive
Mechanical property, good toughness is difficult to snap, so that the utility model has higher service life, and is closed with pure high intensity
The bucket tooth that Buddha's warrior attendant is made is compared, and reduces cost.The utility model is provided with pressing plate 12 and connecting plate 11, one on connecting seat 1
Aspect is easy to assemble crown 2 with connecting seat 1, and more importantly when bucket is moved upwards, crown 2 is now pressed by downward pressure
Limitation crown 2 is tilted down jointly for plate 12 and connecting plate 11, so as to ensure the mining effect of bucket tooth.Crown 2 and connecting seat 1 are removable
Connection is unloaded, is easy to flexibly change crown 2 or connecting seat 1 according to service condition, without changing whole bucket tooth.
Embodiment 2：
The present embodiment is the further improvement done on the basis of above-described embodiment, as depicted in figs. 1 and 2, in the present embodiment
In, the upper surface of crown 2 is set to rectangular-shaped concave surface, and concave surface is extended to from the upper surface of crown 2 with the edge contact position of pressing plate 12
The reinforcement 21 of two is provided with one end of the remote connecting seat 1 of crown 2, concave surface, the number of certain reinforcement can be according to tooth
The specification of point 2 selects different numbers.High strength alloy steel cost is higher, and to save manufacturing cost, the upper surface of crown 2 is set to
Concave surface, and save manufacturing cost with reinforcement 21 is set in concave surface, the higher intensity of the utility model is can guarantee that again.
Embodiment 3：
The present embodiment is the further improvement done on the basis of above-described embodiment, as depicted in figs. 1 and 2, in the present embodiment
In, connecting plate 11 and pressing plate 12 and the one of connecting seat 1 are set into casting in the lower surface of crown 2 close to one end of connecting seat
There is a stage portion 22, the height of stage portion 22 is approximately equal to the thickness of connecting plate 11, horizontal plane and the connecting plate 11 of stage portion 22
Upper surface, so as to make the lower surface basic horizontal of the lower surface of crown 2 and connecting seat 1, so that reducing the utility model makes
Used time and the frictional force on ground.
In addition, being connected between crown 2 and connecting seat 1 by screw rod 3, two and screw rod 3 are offered on connecting plate 11
The tapped through hole matched somebody with somebody, the lower surface of crown 2 offers the tapped blind hole matched with screw rod 3 with tapped through hole corresponding position.Choosing
With thread connecting mode, it is easy to the assembly or disassembly of crown and connecting seat.
Embodiment 4：
The present embodiment is the further improvement done on the basis of above-described embodiment, as depicted in figs. 1 and 2, in the present embodiment
In, connected in mounting groove:1 with being fixedly installed elastomeric element 4 on the opposite end face of crown 2, elastomeric element is used to buffer crown 2
To the impulsive force of connecting seat 1, play a part of protecting connecting seat.Elastomeric element 4 selects nitrile rubber block, and nitrile rubber block has
Heat-resisting, wear-resisting and ageing-resistant the characteristics of, and also good water resistance, air-tightness and excellent adhesive property.
Embodiment 5：
The present embodiment is the further improvement done on the basis of above-described embodiment, as depicted in figs. 1 and 2, in the present embodiment
In, tooth:2 select A-100 alloy steel dies forging moldings, and the contour forging technique of crown 2 comprises the following steps：
Step 1：Blanking；
Step 2：Blank machine adds；
Step 3：By machine plus after blank be put into electric furnace heating, heating process is that electric in-furnace temperature first is risen into 850 DEG C,
Then 60min is incubated, then electric in-furnace temperature is risen to 1050 DEG C, 30min is incubated；；
Step 4：Forging famine, air cooling after completion forging is waste are carried out using flat-die hammer；
Step 5：Famine material is put into electric furnace heating, heating process is that electric in-furnace temperature first is risen into 850 DEG C, is then incubated
40min, then electric in-furnace temperature is risen to 1050 DEG C, it is incubated 25min；Simultaneously carry out mould preheating, preheating temperature be 250 DEG C~
350 DEG C, a length of 2 hours during preheating；
Step 6：Using jump bit or counter-blow hammer die forging, air cooling after die forging is completed；
Step 7：Heat treatment.
The die-forging forming process of crown is completed by two fire, crystal grain can be made more to refine, the higher intensity of crown is ensured.Base
Material or waste material are heated to 850 DEG C and are incubated, it is therefore intended that prevent that heating is too fast, built-in thermal stress is excessive to be caused to crack, shadow
Ring the performance of crown.Blank or waste material are being heated to 1050 DEG C and are being incubated, it is therefore intended that make interior tissue austenitizing, be conducive to
Deformation.
As described above, can preferably implement the utility model.
Claims (7)
1. a kind of high intensity bucket tooth, it is characterised in that：Including connecting seat (1) and crown (2), carbon during the connecting seat (1) uses
Steel casting, the crown (2) uses high strength alloy steel die-forging forming, and connecting seat (1) lower surface is close to crown (2)
Side be provided with connecting plate (11), connecting seat (1) upper surface is provided with pressing plate (12), the connection close to crown (2) side
Seat (1) collectively forms a mounting groove with the opposite end face of crown (2) and pressing plate (12), connecting plate (11), and the crown (2) is close
One end of connecting seat (1) is located in mounting groove, is detachably connected between the crown (2) and connecting seat (1), the connecting seat
(1) pilot hole (13) is provided with the side wall away from crown (2), the pilot hole (13) is used for connecting seat (1) with digging
Bucket connection.
2. high intensity bucket tooth according to claim 1, it is characterised in that：The upper surface of the crown (2) is set to rectangle
The concave surface of shape, the concave surface extends to the remote connecting seat of crown (2) from crown (2) upper surface and pressing plate (12) edge contact position
(1) two or more reinforcements (21) are provided with one end, the concave surface.
3. high intensity bucket tooth according to claim 1, it is characterised in that：Crown (2) lower surface is close to connecting seat (1)
One end be provided with a stage portion (22), the height of the stage portion (22) is equal to or more than the thickness of connecting plate (11), described
The horizontal plane of stage portion (22) and the upper surface of connecting plate (11).
4. high intensity bucket tooth according to claim 3, it is characterised in that：Pass through between the crown (2) and connecting seat (1)
Screw rod (3) is connected, and two or more tapped through holes matched with screw rod (3), institute are offered on the connecting plate (11)
The lower surface and tapped through hole corresponding position of stating crown (2) offer the tapped blind hole matched with screw rod (3).
5. high intensity bucket tooth according to claim 1, it is characterised in that：The connecting plate (11) and pressing plate (12) are with being connected
Seat (1) is integrally into casting.
6. high intensity bucket tooth according to claim 1, it is characterised in that：Connecting seat (1) and crown (2) in the mounting groove
Elastomeric element (4) is fixedly installed on opposite end face.
7. high intensity bucket tooth according to claim 6, it is characterised in that：The elastomeric element (4) is nitrile rubber block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478383.4U CN206512775U (en) | 2016-12-30 | 2016-12-30 | A kind of high intensity bucket tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478383.4U CN206512775U (en) | 2016-12-30 | 2016-12-30 | A kind of high intensity bucket tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206512775U true CN206512775U (en) | 2017-09-22 |
Family
ID=59863801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621478383.4U Expired - Fee Related CN206512775U (en) | 2016-12-30 | 2016-12-30 | A kind of high intensity bucket tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206512775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541510A (en) * | 2022-03-02 | 2022-05-27 | 张晓智 | Bucket tooth structure of split type bucket of excavator and connecting method thereof |
-
2016
- 2016-12-30 CN CN201621478383.4U patent/CN206512775U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541510A (en) * | 2022-03-02 | 2022-05-27 | 张晓智 | Bucket tooth structure of split type bucket of excavator and connecting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20201230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |