CN207436117U - A kind of small arm of digger structure and excavator - Google Patents
A kind of small arm of digger structure and excavator Download PDFInfo
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- CN207436117U CN207436117U CN201721560618.9U CN201721560618U CN207436117U CN 207436117 U CN207436117 U CN 207436117U CN 201721560618 U CN201721560618 U CN 201721560618U CN 207436117 U CN207436117 U CN 207436117U
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- connector
- axis hole
- small arm
- filler point
- oil filler
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Abstract
The utility model provides a kind of small arm of digger structure and excavator, the small arm of digger structure, including：First connector offers the first axis hole on first connector；The second connector being fixedly connected with first connector offers the second axis hole on second connector；Wherein, first connector and the second connector integrally connected.The utility model embodiment, pass through the first connector that will offer the first axis hole and the second connector integrally connected for offering the second axis hole, so that forearm structure does not have soldered presence, integrated molding avoids the cracking risk caused by welding, extends the service life of forearm structure.
Description
Technical field
The utility model is related to engineering machinery field, more particularly to a kind of small arm of digger structure and excavator.
Background technology
With the development of society, engineering machinery, especially excavator, wheeled are often required to use in process of construction is generated
Loading machine etc..Since the working environment of the engineering machinery such as excavator and wheel loader is often complex, so to machinery certainly
The reliability requirement of body is higher and higher.
Wherein, the forearm structure on excavator is often connected as an important connecting component by multiple subassemblies
It is formed, such as is combined by welding.But since it is often in working condition, weld cracking risk is larger, cracking
Entire forearm will waste afterwards.
Utility model content
The utility model embodiment technical problems to be solved are to provide a kind of small arm of digger structure and excavator, to
Realizing reduces cracking risk.
In order to solve the above technical problems, the utility model embodiment provides a kind of small arm of digger structure, including：
First connector offers the first axis hole on first connector；
The second connector being fixedly connected with first connector offers the second axis hole on second connector；
Wherein, first connector and the second connector integrally connected.
Further, the first oil filler point is offered on the one side of first connector, first oil filler point passes through
First oil pipeline is connected to the inner wall of first axis hole.
Further, the second oil filler point is offered on the one side of second connector, second oil filler point passes through
Second oil pipeline is connected to the inner wall of second axis hole.
Further, a groove is offered on second connector, second oil filler point is located in the groove.
Further, the side set by first oil filler point and the side set by second oil filler point are towards phase
It is equidirectional.
Further, the center line of first oil filler point, the center line of second oil filler point, first axis hole
Axial line, the axial line of second axis hole are generally aligned in the same plane.
Further, the small arm of digger structure further includes：Side plate, the side plate and the first of second connector
Side is fixedly connected, and the first side is the side away from first connector on second connector.
Further, second connector is fixedly connected by welding with the side plate.
Further, the angle between the first side and the first plane is 75 °~105 °, and first plane is institute
State the plane where the axial line of the first axis hole and the axial line of second axis hole.
According to the utility model on the other hand, the utility model embodiment additionally provides a kind of excavator, including as above institute
The small arm of digger structure stated.
Compared with prior art, a kind of small arm of digger structure and excavator that the utility model embodiment provides, at least
It has the advantages that：
The utility model embodiment, by that will offer the first connector of the first axis hole and offer the of the second axis hole
Two connector integrally connecteds so that forearm structure does not have soldered presence, and integrated molding avoids the wind that cracks caused by welding
Danger extends the service life of forearm structure.
Description of the drawings
Fig. 1 is the partial structural diagram of the small arm of digger structure of the utility model embodiment；
Fig. 2 is the sectional view on A-A directions in Fig. 1；
Fig. 3 is the structure diagram of the small arm of digger structure of the utility model embodiment；
Fig. 4 is the sectional view at the oil filler point of forearm structure in correlation technique.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.In the following description, such as specific configure with the specific detail of component only is provided
Only to assist in the embodiment of comprehensive understanding the utility model.It therefore, it will be apparent to those skilled in the art that can be to here
The embodiment of description is made various changes and modifications without departing from the scope of the utility model and spirit.In addition, in order to clear and
Succinctly, the description to known function and construction is omitted.
It is to be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic is included at least one embodiment of the utility model.Therefore, go out everywhere in entire disclosure
Existing " in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.In addition, these are specific special
Sign, structure or characteristic can in any suitable manner combine in one or more embodiments.
Referring to Fig. 1 to Fig. 3, the utility model embodiment provides a kind of small arm of digger structure, including：
First connector 1 offers the first axis hole 2 on first connector 1；
The second connector 3 being fixedly connected with first connector 1 offers the second axis on second connector 3
Hole 4；
Wherein, first connector 1 and 3 integrally connected of the second connector.
The utility model embodiment, by that will offer the first connector 1 (link boss) of the first axis hole 2 and open up
Have second connector 3 (end boss) integrally connected of the second axis hole 4 so that forearm structure does not have a soldered presence, one into
Type avoids the cracking risk caused by welding, extends the service life of forearm structure.Wherein experiment proves that, this practicality is new
The forearm structure of type embodiment can prolong the service life about 50% compared to the forearm structure of welding.
Wherein, due to needing mating connection other component, it is necessary to add lubricating oil at the first axis hole 2 and the second axis hole 4.Ginseng
Fig. 4 is seen, in the related art by opening up two oil filler points in the centre of the first axis hole 2 and the second axis hole 4, and respectively by hard
Pipe is connected to the inner wall of axis hole, and since the hard tube of injection lubricating oil is also to be carried out by welding, long-term vibration can cause hard tube to be held
Risk is split, if hard tube cracks, lubricating oil cannot inject, and so as to cause accelerating to wear, reduce the service life of component.
Referring to Fig. 2, in this illustrates the small arm of digger structure of embodiment, the one side of first connector 1
On offer the first oil filler point 5, first oil filler point 5 is connected to by the first oil pipeline 6 in first axis hole 2
Wall.
Wherein, by opening up the first oil filler point 5 on the first connector 1 so that the first oil filler point 5 close to the first axis hole 2,
Be connected to the inner wall of the first axis hole 2 by the first oil pipeline 6 simultaneously, the first oil pipeline 6 for one and first axis hole 2 axle center
Line be in predetermined angle straight hole, and the first oil pipeline 6 can in casting process straight forming, avoid using hard tube, nothing
Welding exists, and also avoids welding existing cracking oil leakage phenomenon, while injection lubricating oil is convenient in the setting of straight hole, will not be curved
It is blocked at road.
With continued reference to Fig. 2, the second oil filler point 7, second oil filler point are offered on the one side of second connector 3
7 are connected to the inner wall of second axis hole 4 by the second oil pipeline 8.
Wherein, by opening up the second oil filler point 7 on the second connector 3 so that the second oil filler point 7 close to the second axis hole 4,
Be connected to the inner wall of the second axis hole 4 by the second oil pipeline 8 simultaneously, the second oil pipeline 8 for one and second axis hole 4 axle center
Line be in predetermined angle straight hole, and the second oil pipeline 8 can in casting process straight forming, avoid using hard tube, nothing
Welding exists, and also avoids welding existing cracking oil leakage phenomenon, while injection lubricating oil is convenient in the setting of straight hole, will not be curved
It is blocked at road.
Referring to Fig. 1, a groove 9 is offered on second connector 3, second oil filler point 7 is located at the groove 9
It is interior.Wherein by opening up groove 9 so that the lubricating oil overflowed when injecting lubricating oil can be stored in groove 9, convenient for follow-up
Oil pipeline is continued to flow into, can prevent lubricating oil spilling from flowing away, lubricating oil can be saved, and convenient for injection lubricating oil.
Wherein, the side set by first oil filler point 5 and the side set by second oil filler point 7 are towards identical
Direction.First oil filler point 5 and the second oil filler point 7 are arranged on same side, convenient for injecting lubricating oil.
Wherein, the center line of first oil filler point 5, the center line of second oil filler point 7, first axis hole 2
Axial line, the axial line of second axis hole 4 are generally aligned in the same plane.
First oil filler point 5 and the second oil filler point 7 are respectively positioned on the section on A-A directions shown in FIG. 1, compared to being opened in
Other positions, the first oil filler point 5 of this position and the structural strength of the second oil filler point 7 are big, are hardly damaged in excavator work,
Can effectively it prolong the service life.
Referring to Fig. 3, the small arm of digger structure further includes：Side plate 10, the side plate 10 and second connector 3
First side is fixedly connected, and the first side is the side away from first connector 1 on second connector 3.
Wherein, second connector 3 is fixedly connected by welding with the side plate 10.
Wherein, the angle between the first side and the first plane is 75 °~105 °, and first plane is described the
Plane of the axial line of one axis hole 2 where with the axial line of second axis hole 4.
Wherein, when the angle α between first side and the first plane is arranged to above-mentioned angular range, the second connector 3
With first side stable connection, and the angle α of first side and the first plane is preferably 90 °, and structural strength is optimal at this time so that
Second connector 3 and 10 stable connection of side plate, are hardly damaged, can extend the service life of forearm structure at work.
According to the utility model on the other hand, the utility model embodiment additionally provides a kind of excavator, including as above institute
The small arm of digger structure stated.
To sum up, the utility model embodiment, by that will offer the first connector 1 of the first axis hole 2 and offer second
3 integrally connected of the second connector of axis hole 4 so that forearm structure does not have soldered presence, and integrated molding is avoided because welding is led
The cracking risk of cause extends the service life of forearm structure.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid non-exclusive inclusion.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, several improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (10)
1. a kind of small arm of digger structure, which is characterized in that including：
First connector offers the first axis hole on first connector；
The second connector being fixedly connected with first connector offers the second axis hole on second connector；
Wherein, first connector and the second connector integrally connected.
2. small arm of digger structure according to claim 1, which is characterized in that opened on the one side of first connector
Equipped with the first oil filler point, first oil filler point is connected to the inner wall of first axis hole by the first oil pipeline.
3. small arm of digger structure according to claim 2, which is characterized in that opened on the one side of second connector
Equipped with the second oil filler point, second oil filler point is connected to the inner wall of second axis hole by the second oil pipeline.
4. small arm of digger structure according to claim 3, which is characterized in that it is recessed to offer one on second connector
Slot, second oil filler point are located in the groove.
5. small arm of digger structure according to claim 3, which is characterized in that the side set by first oil filler point
With the side set by second oil filler point towards equidirectional.
6. small arm of digger structure according to claim 3, which is characterized in that the center line of first oil filler point, institute
The center line of the second oil filler point, the axial line of first axis hole, the axial line of second axis hole is stated to be generally aligned in the same plane.
7. small arm of digger structure according to claim 1, which is characterized in that the small arm of digger structure further includes：
Side plate, the side plate are fixedly connected with the first side of second connector, and the first side is second connector
The upper side away from first connector.
8. small arm of digger structure according to claim 7, which is characterized in that second connector passes through welding and institute
Side plate is stated to be fixedly connected.
9. small arm of digger structure according to claim 7, which is characterized in that between the first side and the first plane
Angle be 75 °~105 °, first plane is the axial line of first axis hole and the axial line institute of second axis hole
Plane.
10. a kind of excavator, which is characterized in that including such as claim 1~9 any one of them small arm of digger structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721560618.9U CN207436117U (en) | 2017-11-21 | 2017-11-21 | A kind of small arm of digger structure and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721560618.9U CN207436117U (en) | 2017-11-21 | 2017-11-21 | A kind of small arm of digger structure and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207436117U true CN207436117U (en) | 2018-06-01 |
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ID=62286921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721560618.9U Active CN207436117U (en) | 2017-11-21 | 2017-11-21 | A kind of small arm of digger structure and excavator |
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| Country | Link |
|---|---|
| CN (1) | CN207436117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339129A (en) * | 2018-09-29 | 2019-02-15 | 青岛连山铸造有限公司 | A kind of excavator disjunctor axle bed and preparation method thereof |
-
2017
- 2017-11-21 CN CN201721560618.9U patent/CN207436117U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339129A (en) * | 2018-09-29 | 2019-02-15 | 青岛连山铸造有限公司 | A kind of excavator disjunctor axle bed and preparation method thereof |
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