CN208266952U - A kind of telescopic excavator shovel head of double-cylinder hydraulic - Google Patents
A kind of telescopic excavator shovel head of double-cylinder hydraulic Download PDFInfo
- Publication number
- CN208266952U CN208266952U CN201820824810.2U CN201820824810U CN208266952U CN 208266952 U CN208266952 U CN 208266952U CN 201820824810 U CN201820824810 U CN 201820824810U CN 208266952 U CN208266952 U CN 208266952U
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- China
- Prior art keywords
- shovel head
- guide rail
- hydraulic
- expansion plate
- double
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Abstract
The utility model provides a kind of telescopic excavator shovel head of double-cylinder hydraulic, the excavator technical field being related in electromechanical integration, including the first shovel head and symmetrical the second shovel head and third shovel head for being connected to the first shovel head two sides；First shovel head both ends are connected separately with the first expansion plate and the second expansion plate, and the second shovel head side wall is equipped with the first guide rail cooperated with first expansion plate, and the first limit deck for limiting to first expansion plate is equipped in first guide rail；The third shovel head side wall is equipped with the second guide rail cooperated with second expansion plate, and the second limit deck for limiting to second expansion plate is equipped in second guide rail；The first shovel head back side is further fixed on the hydraulic device for driving second shovel head and the third shovel head lateral displacement.The utility model has the advantages that flexible structure, dust-proof effect are good, work durability degree is high.
Description
Technical field
The utility model belongs to excavator shovel head technical field, and in particular to a kind of telescopic digger shovel of double-cylinder hydraulic
Head.
Background technique
With the transformation of present town and country, the work of municipal works, need to dig the ditch of different in width, the width needed such as Bilge
Or heat supply pipeline needs width etc. all different, it is existing on the market without the digging machine shovel head of adjustable width, thus
Cause to work together laborious time-consuming, because if wanting to dig ditch, to go for small digging machine, big digging machine will be looked for by digging major groove, be toggled
It is very time-consuming, it is also inflexible.
Chinese patent a kind of adjustable excavator scraper bowl (application number: CN201720930528.8), including scraper bowl
Ontology, the inner wall of the bottom plate of bucket body offer embedded groove, and the inner wall of the arc backboard of bucket body also offers embedded groove；
The arranged on left and right sides of bucket body is respectively arranged with left scraper bowl, right scraper bowl, is arranged on the right side of left scraper bowl embedding on the left of bucket body
Enter in slot, is arranged in the embedded groove on the right side of bucket body on the left of right scraper bowl.The device in bucket body two sides by being arranged
The left scraper bowl and right scraper bowl that can be integrally embedded within realize the width adjusting of scraper bowl itself.But the device due to left scraper bowl and
Right scraper bowl can have fully embedded into bucket body when not in use, thus its bucket body two sides when extending and retracting is present in a left side
The stability in the gap between scraper bowl and right scraper bowl, this kind of connection relationship is not good enough, and easily accumulates dust, influences working effect, needs
It makes improvements.
Therefore it is badly in need of wanting the telescopic excavator of double-cylinder hydraulic that a kind of flexible structure, dust-proof effect are good, work durability degree is high
Shovel head.
Utility model content
The purpose of the utility model is to provide a kind of telescopic excavator shovel heads of double-cylinder hydraulic, to solve to stretch in the prior art
Contracting mechanism is not easy problem dust-proof, that stability is not good enough.
The utility model provides the following technical solution:
A kind of telescopic excavator shovel head of double-cylinder hydraulic including the first shovel head and is symmetrically connected to the first shovel head two sides
Second shovel head and third shovel head；First shovel head both ends are connected separately with the first expansion plate and the second expansion plate, and described second
Shovel head side wall is equipped with the first guide rail cooperated with first expansion plate, is equipped in first guide rail for stretching to described first
First limit deck of contracting plate limit；The third shovel head side wall is equipped with the second guide rail cooperated with second expansion plate, institute
State the second limit deck being equipped in the second guide rail for limiting to second expansion plate；The first shovel head back side is also fixed
There is the hydraulic device for driving second shovel head and the third shovel head lateral displacement.
Preferably, the hydraulic device includes the hydraulic installalion seat for being fixedly connected with first shovel head, the hydraulic installalion
Seat both ends are symmetrically connected with cylinder body, and the cylinder body is connected with extension sleeve and piston in turn, convenient for passing through cylinder body via telescopic
Cylinder driving piston, and then make piston the second shovel head of promotion/pulling-down and/or third shovel head in stroke range.
Further, second shovel head and the third shovel head are connected separately with trunnion, the trunnion be equipped with it is described
The card slot of piston cooperation, convenient for promoting the structural stability of single unit system by the card slot fixed piston in trunnion.
Preferably, the longitudinal section of first guide rail and second guide rail is " J " shaped, further ensures excavator shovel head
Structural stability, make it avoid pressing the second shovel head of wooden dipper, third shovel head because of weight pressure during the work time.
Preferably, one end of first shovel head, second shovel head and the third shovel head is connected separately with several teeth
Point is promoted and digs shovel working efficiency.
Further, the hydraulic device includes hydraulic pump and overflow valve interconnected, and the hydraulic pump is also connected with
One manual three-position four-way valve, opening/contraction while convenient for controlling the second shovel head and third shovel head by manual three-position four-way valve
Or opening/contraction respectively, promote the operating flexibility of single unit system.
Preferably, the bottom of first shovel head, second shovel head and the third shovel head is connected separately with a placement
Chamber, it is telescopic in the placed cavity to be connected with longitudinal guide plate, convenient for being mentioned on the basis of ensureing the lateral magnification of excavator shovel head
Rise its longitudinally extending property.
The beneficial effects of the utility model are:
1, the utility model is connected by the first shovel head two sides the first expansion plate and the second expansion plate and the second shovel head and
The connection of third shovel head avoids the dust deposit of the first shovel head and the second shovel head, third shovel head connecting portion, it is resistance to promote its environment
Stress；
2, using the hydraulic device for being connected with manual three-position four-way valve, convenient for passing through the second shovel of manual three-position four-way valve control
Opening/contraction or opening/contraction respectively, promote the operating flexibility of single unit system while head and third shovel head；
3, placed cavity is cooperated using longitudinal guide plate, it is longitudinally extending to promote its on the basis of guarantee excavator shovel head lateral magnification
Property；
4, the utility model overall structure it is simple and consolidate, flexible operation, work operations it is high-efficient, it is easy to spread.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the present invention together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the utility model configuration schematic diagram；
Fig. 2 is the utility model overall structure diagram；
Fig. 3 is the utility model back side configuration schematic diagram；
Fig. 4 is the utility model hydraulic schematic；
Fig. 5 is an embodiment of the present invention schematic diagram；
In figure: 1. tooth tips, 2. pistons, 3. extension sleeves, 4. cylinder bodies, 5. hydraulic installalion seats, 501. trunnions, 6. card slots, 7.
Deck is limited, 8. first expansion plates, 9. first shovel heads, 10. second shovel heads, 11. third shovel heads, 12. second expansion plates, 13. lead
Rail, 14. oil inlets, 15. first actuator ports, 16. oil outlets, 17. second actuator ports, 18. placed cavities, 19. longitudinal guide plates.
Specific embodiment
As shown in Figure 1, a kind of telescopic excavator shovel head of double-cylinder hydraulic, including the first shovel head 9 and symmetrically it is connected to
The second shovel head 10 and third shovel head 11 of one shovel head, 9 two sides；First shovel head, 9 both ends are connected separately with the first expansion plate 8 and second
Expansion plate 12.Second shovel head 10 and third shovel head 11 are equipped with guide rail 13, and limit deck 7 is fixed in guide rail 13, and guide rail 13 includes
The first guide rail in the second shovel head 10, and the second guide rail in third shovel head 11, limit deck 7 include being set to first
The first limit deck in guide rail, and the second limit deck in the second guide rail.Second shovel head, 10 side wall is equipped with and the
First guide rail of one expansion plate 8 cooperation, interior the first limit deck being equipped with for being limited to the first expansion plate 8 of the first guide rail；The
Three shovel heads, 11 side wall is equipped with the second guide rail cooperated with the second expansion plate 12, is equipped in the second guide rail for the second expansion plate 12
Second limit deck of limit；First shovel head, 9 back side is further fixed on for driving the second shovel head 10 and the lateral position of third shovel head 11
The hydraulic device of shifting.The longitudinal section of first guide rail and the second guide rail is " J " shaped, further ensures the stable structure of excavator shovel head
Property, make it avoid pressing the second shovel head of wooden dipper 10, third shovel head 11 because of weight pressure during the work time.First shovel head 9, second shovel
First 10 and one end of third shovel head 11 be connected separately with several tooth tips 1, promoted and dig shovel working efficiency.
As shown in Figure 3 to Figure 4, hydraulic device includes the hydraulic installalion seat 5 for being fixedly connected with the first shovel head 9, hydraulic installalion seat 5
Both ends are symmetrically connected with cylinder body 4, and cylinder body 4 is connected with extension sleeve 3 and piston 2 in turn, convenient for passing through cylinder body 4 via extension sleeve
3 driving pistons 2, and then make piston 2 the second shovel head of promotion/pulling-down 10 and/or third shovel head 11 in stroke range.Hydraulic device
Including hydraulic pump interconnected and overflow valve, hydraulic pump is also connected with a manual three-position four-way valve, convenient for passing through manual three
Opening/contraction or opening/contraction respectively, promote single unit system while four-way valve controls the second shovel head 10 and third shovel head 11
Operating flexibility.Second shovel head 10 and third shovel head 11 are connected separately with trunnion 501, and trunnion 501 is equipped with the card cooperated with piston 2
Slot 6, convenient for promoting the structural stability of single unit system by 6 fixed piston 2 of card slot in trunnion 501.
As shown in figure 5, the bottom of the first shovel head 9, the second shovel head 10 and third shovel head 11 is connected separately with a placed cavity 18,
It is telescopic in placed cavity 18 to be connected with longitudinal guide plate 19, convenient for promoting it on the basis of ensureing the lateral magnification of excavator shovel head
Longitudinally extending property.
Specifically, the hydraulic device in the utility model may be implemented outer of whole excavator shovel head, in stop and shrink
Function specifically uses O shape 3-position 4-way hand-operated direction valve, principle are as follows: by hydraulic pump oil inlet 14 by hydraulic oil from fuel tank
Be sucked out, after hydraulic pump pressurizes from hydraulic pump divide two-way outflow all the way by fluid pressure line to overflow valve (it acts as limitation be
Unite maximum pressure protection system safety) another way when manual three-position four-way valve is in right position by fluid pressure line reach oil inlet 14
Enter the first actuator port 15 by inside and rod chamber is entered by fluid pressure line again, hydraulic oil enters three from rodless cavity outflow
Second actuator port 17 of four-way hand-operated direction valve reaches oil outlet 16 through valve core inside and finally flows back to fuel tank.
In stop function: hydraulic oil pressurizeed by hydraulic pump after from oil outlet outflow because of O shape 3-position 4-way hand-operated direction valve
At middle position, hydraulic oil be cannot flow into so that hydraulic oil fully enters overflow valve outflow.
Foreign minister's function: when O shape 3-position 4-way manual reverse of direction valve core is in left position, hydraulic oil is by oil inlet 14 through inside
Enter rodless cavity from the outflow of the second actuator port 17, then enters the first work of O shape 3-position 4-way hand-operated direction valve by rod chamber
Hydraulic fluid port 15 flows back to fuel tank from oil outlet 16 through valve core inside.This hydraulic cylinder with it is existing applied to excavator shovel head on the market
Hydraulic cylinder difference is: the hydraulic cylinder can realize outer simultaneously of both-end or contractile motion, avoid excessive pipeline arrangement, herein
On the basis of, it is easy to accomplish the big minor adjustment of flexible and efficient excavator shovel head.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (7)
1. a kind of telescopic excavator shovel head of double-cylinder hydraulic, which is characterized in that including the first shovel head and be symmetrically connected to first
The second shovel head and third shovel head of shovel head two sides；First shovel head both ends are connected separately with the first expansion plate and second and stretch
Plate, the second shovel head side wall are equipped with the first guide rail cooperated with first expansion plate, are equipped with and are used in first guide rail
To the first limit deck of first expansion plate limit；The third shovel head side wall, which is equipped with, to be cooperated with second expansion plate
Second guide rail, interior the second limit deck being equipped with for being limited to second expansion plate of second guide rail；First shovel
Head back side is further fixed on the hydraulic device for driving second shovel head and the third shovel head lateral displacement.
2. the telescopic excavator shovel head of double-cylinder hydraulic according to claim 1, which is characterized in that the hydraulic device includes
Be fixedly connected with the hydraulic installalion seat of first shovel head, hydraulic installalion seat both ends are symmetrically connected with cylinder body, the cylinder body according to
It is secondary to be connected with extension sleeve and piston.
3. the telescopic excavator shovel head of double-cylinder hydraulic according to claim 2, which is characterized in that second shovel head and institute
It states third shovel head and is connected separately with trunnion, the trunnion is equipped with the card slot cooperated with the piston.
4. the telescopic excavator shovel head of double-cylinder hydraulic according to claim 1, which is characterized in that first guide rail and institute
The longitudinal section for stating the second guide rail is " J " shaped.
5. the telescopic excavator shovel head of double-cylinder hydraulic according to claim 1, which is characterized in that first shovel head, institute
The one end for stating the second shovel head and the third shovel head is connected separately with several tooth tips.
6. the telescopic excavator shovel head of double-cylinder hydraulic according to any one of claims 1 to 5, which is characterized in that the liquid
Pressure device includes hydraulic pump and overflow valve interconnected, and the hydraulic pump is also connected with a manual three-position four-way valve.
7. the telescopic excavator shovel head of double-cylinder hydraulic according to claim 1, which is characterized in that first shovel head, institute
The bottom for stating the second shovel head and the third shovel head is connected separately with a placed cavity, in the placed cavity it is telescopic be connected with it is vertical
To guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820824810.2U CN208266952U (en) | 2018-05-30 | 2018-05-30 | A kind of telescopic excavator shovel head of double-cylinder hydraulic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820824810.2U CN208266952U (en) | 2018-05-30 | 2018-05-30 | A kind of telescopic excavator shovel head of double-cylinder hydraulic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208266952U true CN208266952U (en) | 2018-12-21 |
Family
ID=64685956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820824810.2U Expired - Fee Related CN208266952U (en) | 2018-05-30 | 2018-05-30 | A kind of telescopic excavator shovel head of double-cylinder hydraulic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208266952U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678047A (en) * | 2018-05-30 | 2018-10-19 | 南京工业职业技术学院 | A kind of telescopic excavator shovel head of double-cylinder hydraulic |
| CN111466179A (en) * | 2020-04-30 | 2020-07-31 | 杭州曼京科技有限公司 | Fill out native bucket that building engineering used |
-
2018
- 2018-05-30 CN CN201820824810.2U patent/CN208266952U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678047A (en) * | 2018-05-30 | 2018-10-19 | 南京工业职业技术学院 | A kind of telescopic excavator shovel head of double-cylinder hydraulic |
| CN111466179A (en) * | 2020-04-30 | 2020-07-31 | 杭州曼京科技有限公司 | Fill out native bucket that building engineering used |
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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: 20181221 Termination date: 20210530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |