CN108755809A - 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
- CN108755809A CN108755809A CN201810832899.1A CN201810832899A CN108755809A CN 108755809 A CN108755809 A CN 108755809A CN 201810832899 A CN201810832899 A CN 201810832899A CN 108755809 A CN108755809 A CN 108755809A
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- shovel head
- way valve
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- hydraulic
- hydraulic cylinder
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- 241000251133 Sphyrna tiburo Species 0.000 title claims abstract description 153
- 230000000694 effects Effects 0.000 claims abstract description 97
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 239000002828 fuel tank Substances 0.000 claims description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 4
- 230000001143 conditioned effect Effects 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 35
- 239000010720 hydraulic oil Substances 0.000 description 6
- 230000001595 contractor effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels
Abstract
The present invention relates to a kind of telescopic excavator shovel heads of double-cylinder hydraulic, including third shovel head, symmetrical the first activity shovel head and the second shovel head for being connected to third shovel head both sides, it is symmetrically arranged with the snap-gauge for being respectively for insertion into the first activity shovel head and the second shovel head in third shovel head both sides, the first card slot being inserted into for snap-gauge is offered on the joint face of the first activity shovel head and third shovel head；The back side of third shovel head is provided with the first activity shovel head of driving and the first hydraulic cylinder and second hydraulic cylinder of lateral displacement occur respectively for the second shovel head；It realizes and the first activity shovel head and the second activity shovel head is adjusted respectively, keep control more accurate, and when an activity shovel head cannot be conditioned, will not influence and adjust another activity shovel head.
Description
Technical field
The present invention relates to field of electromechanical integration, relate generally to a kind of telescopic excavator shovel head of double-cylinder hydraulic.
Background technology
With the transformation of present town and country, the work of municipal works, the ditch for digging different in width, the width needed such as Bilge are needed
Or heat supply pipeline needs width etc. all different, now as in the market not can with the digging machine shovel head of adjustment width, from
And it is laborious time-consuming to cause to work together, because if wanting to dig ditch, to go for small digging machine, it is non-that digging major groove will look for big digging machine to change back and forth
Normal time-consuming, underaction, and cost is also higher.
A kind of telescopic excavator shovel head of double-cylinder hydraulic of Chinese patent（Application number：2018105416948）, including the first shovel
Head and symmetrical the second shovel head and third shovel head for being connected to the first shovel head both ends, the first shovel head both ends are connected separately with first and stretch
Contracting plate and the second expansion plate, the second shovel head side wall is equipped with the first guide rail coordinated with first expansion plate, described
The first limit deck for being limited to first expansion plate is equipped in first guide rail；It is equipped with and is used in second guide rail
To the second limit deck of second expansion plate limit；The first shovel head back side is further fixed on for driving described second
The hydraulic device of shovel head and the third shovel head lateral displacement.But set hydraulic device includes two symmetrically arranged cylinders
Body, extension sleeve and piston control the piston of hydraulic device by a manual three-position four-way valve, can be achieved at the same time two
The relative motion of a cylinder body upper piston, while the second shovel head and third shovel head being driven to stretch out or retract to both sides, but use one
A manual three-position four-way valve realizes the control to the second shovel head and third shovel head simultaneously, increases the load of hydraulic device, or
Three-position four-way valve cannot work, and can cause digging machine shovel head not flexible, influence job schedule, while adjusting to two pistons
Section reduces the precision of adjusting.
Invention content
The purpose of the present invention is realizing respectively to control two activity shovel heads, keep control more accurate, and when one
When activity shovel head cannot be conditioned flexible, another activity shovel head can still be conditioned contraction, normal work.
The telescopic excavator shovel head of a kind of double-cylinder hydraulic of the present invention, including third shovel head, symmetrically it is connected to third
The the first activity shovel head and the second activity shovel head of shovel head both sides, are symmetrically arranged in third shovel head both sides and are respectively for insertion into first
The snap-gauge of activity shovel head and the second activity shovel head offers on the joint face of the first activity shovel head and third shovel head for snap-gauge
The first card slot being inserted into；The back side of third shovel head is provided with the first activity shovel head of driving and cross occurs respectively for the second activity shovel head
To the hydraulic cylinder of displacement, the hydraulic cylinder includes for controlling the movable first hydraulic cylinder of the first activity shovel head and for controlling
The piston rod of the second movable second hydraulic cylinder of activity shovel head, first hydraulic cylinder and second hydraulic cylinder is separately connected the first movable shovel
Head and the second activity shovel head.
When needing to dig different size of groove, when needing to stretch to the horizontal width of shovel head, connected by hydraulic cylinder
Piston rod the first activity shovel head or the second activity shovel head is operated alone, can also simultaneously to the first activity shovel head and second activity
Shovel head is driven, and the width of shovel head is changed.Further, the back side of the first activity shovel head and the second activity shovel head is both provided with
Hydraulic installalion pedestal for connecting piston rod offers through-hole and the blind hole perpendicular with through-hole, institute on hydraulic installalion pedestal
The axial direction for the through-hole stated is parallel with horizontal plane, and piston rod is worn from through-hole, and piston-rod end is provided with location hole, piston-rod end
The axial direction of location hole on hydraulic installalion pedestal blind hole it is axially coincident, be provided with positioning in blind hole and piston-rod end location hole
Pin.By positioning pin two piston rods respectively with the hydraulic installalion in the first activity shovel head and the second activity shovel head back side is set
Pedestal connects.
Further, first hydraulic cylinder connects overflow valve by the first three-position four-way valve, and the other end of overflow valve passes through liquid
Press pump is connect with fuel tank；Four interfaces of the first three-position four-way valve be respectively the oil inlet of the first three-position four-way valve, the one or three
The B working holes of the oil outlet of four-way valve, the A working holes of the first three-position four-way valve and the first three-position four-way valve；First 3-position 4-way
The rodless cavity of the A working holes connection first hydraulic cylinder of valve, the B working holes connection first hydraulic cylinder of the first three-position four-way valve have bar
The oil inlet of chamber, the first three-position four-way valve is connect with overflow valve, and the oil outlet of the first three-position four-way valve is connected with fuel tank；
Second hydraulic cylinder connects overflow valve by the second three-position four-way valve, and the other end of overflow valve is connected by hydraulic pump and fuel tank
Connect, four interfaces of the second three-position four-way valve be respectively the oil inlet of the second three-position four-way valve, the second three-position four-way valve it is fuel-displaced
The B working holes of mouth, the A working holes of the second three-position four-way valve and the second three-position four-way valve；The A working holes of second three-position four-way valve connect
Connect the rodless cavity of second hydraulic cylinder, the rod chamber of the B working holes connection second hydraulic cylinder of the second three-position four-way valve, the two or three four
The oil inlet of port valve is connect with overflow valve, and the oil outlet of the second three-position four-way valve is connected with fuel tank.
When first activity shovel head or the second activity shovel head need outer, hydraulic pump and overflow valve are opened, opens hydraulic fluid port, oil inlet
Mouth is connect with working hole A, and oil outlet is connect with working hole B, oil outlet B connection fuel tanks, realizes that piston rod drives the first movable shovel
Head or the outer Zhang Yundong of the second activity shovel head；When first activity shovel head or the second activity shovel head need to stop outer or shrink, close
Three-position four-way valve is equivalent to closing oil inlet and outlet, realizes that piston rod drives the first activity shovel head or the second activity shovel head
Stop outer or contractile motion；When first activity shovel head or the second activity shovel head need outer, hydraulic pump and overflow valve are opened, is turned
Dynamic three-position four-way valve, opens hydraulic fluid port, and oil inlet is connect with working hole B, and oil outlet is connect with working hole A, oil outlet B connection oil
Case realizes that piston rod drives the first activity shovel head or the second activity shovel head contractile motion；
Further, one end of nearly joint face is provided with limit protrusion in the first card slot, is provided on snap-gauge and limit convex
Corresponding limit protrusion exists when playing matched guiding groove, the first activity shovel head or the outside extension of the second activity shovel head or shrinking
It is oriented to respective guide slot movement in groove, the mistake that limit protrusion is shoveled prevented also from the first activity shovel head or second, which is outside one's consideration, opens.
Advantageous effect：
It can control the telescopic excavator shovel head of double-cylinder hydraulic according to user demand and stretch in the horizontal direction at work,
The device uses three stage structure, i.e. the first activity shovel head, the second activity in order not to change the connection type with big arm of digger
Shovel head and third shovel head also achieve and the first activity shovel head and the second activity shovel head are adjusted in the horizontal direction respectively,
Keep control more accurate, when an activity shovel head cannot be conditioned, will not influence and adjust another activity shovel head.Operation
Facilitate and use and saves the time, it, can be to avoid because digging the ditch of different in width in municipal works, urban renewal
It returns and changes the trouble of digging machine, saving the time facilitates work.
Description of the drawings
Fig. 1 is the three-dimensional structure diagram of the present invention
Fig. 2 is the first detonation configuration figure of the present invention
Fig. 3 is the second detonation configuration figure of the present invention
Fig. 4 is the schematic diagram of the oil circuit of hydraulic system.
Specific implementation mode
As shown in Figure 1, the telescopic excavator shovel head of a kind of double-cylinder hydraulic of the present invention, including third shovel head 9 and
Symmetrical the first activity shovel head 10 and the second activity shovel head 11 for being connected to 9 both ends of third shovel head, symmetrically sets in 9 both sides of third shovel head
It is equipped with the snap-gauge 8 for being respectively for insertion into the first activity shovel head 10 and the second activity shovel head 11, in the first activity shovel head 10 and third
The first card slot 6 being inserted into for snap-gauge 8 is offered on the joint face of shovel head 9；
The back side of third shovel head 9 is provided with the first activity shovel head 9 of driving and lateral displacement occurs respectively for the second activity shovel head 10
Hydraulic cylinder 4, the hydraulic cylinder includes for controlling 9 movable first hydraulic cylinder 41 of the first activity shovel head and for controlling the
The piston rod 2 of two activity shovel heads, 10 movable second hydraulic cylinder 42, first hydraulic cylinder 41 and second hydraulic cylinder 42 is separately connected
One activity shovel head 9 and the second activity shovel head 10.
The back side of first activity shovel head 10 and the second activity shovel head 11 is both provided with the hydraulic installalion for connecting piston rod 2
Pedestal 5, piston rod 2 and horizontal direction parallel offer through-hole 3 and the blind hole perpendicular with through-hole 3 on hydraulic installalion pedestal 5
14, the axial direction of the through-hole 3 is parallel with horizontal plane, and the end of piston rod 2 offers location hole 12, the location hole 12
Axial parallel with the axial direction of blind hole 14, piston rod 2 is worn from through-hole 3, the axial direction and hydraulic installalion of 2 end location hole 12 of piston rod
Blind hole 14 is axially coincident on pedestal 5, and positioning pin passes through blind hole 14, is inserted into 2 end location hole 12 of piston rod, fixed piston rod
2 and hydraulic installalion pedestal 5.
It is arranged at intervals with tooth 1 in 11 subaerial a line of first activity shovel head 10 and the second activity shovel head.
As shown in figure 4, symmetrically arranged hydraulic cylinder 4 includes first hydraulic cylinder 41 and second hydraulic cylinder 42, first hydraulic cylinder
41 connect overflow valve 17 by the first three-position four-way valve 15, and the other end of overflow valve 17 is connect by hydraulic pump 13 with fuel tank 18；
Four interfaces of the first three-position four-way valve 15 are respectively that the oil inlet 151 of the first three-position four-way valve, the first three-position four-way valve go out
The B working holes 154 of hydraulic fluid port 152, the A working holes 153 of the first three-position four-way valve and the first three-position four-way valve.First three-position four-way valve
A working holes 153 connect the rodless cavity of first hydraulic cylinder 41, the B working holes 154 of the first three-position four-way valve connect first hydraulic cylinder
The oil inlet 151 of 41 rod chamber, the first three-position four-way valve is connect with overflow valve 17, the oil outlet 152 of the first three-position four-way valve
It is connected with fuel tank 18.
Second hydraulic cylinder 42 connects overflow valve 17 by the second three-position four-way valve 16, and the other end of overflow valve 17 passes through hydraulic pressure
Pump 13 is connect with fuel tank 18, and four interfaces of the second three-position four-way valve 16 are respectively the oil inlet 161 of the second three-position four-way valve, the
The B working holes of the oil outlet 162 of two three-position four-way valves, the A working holes 163 of the second three-position four-way valve and the second three-position four-way valve
164.The A working holes 163 of second three-position four-way valve connect the rodless cavity of second hydraulic cylinder 42, the B work of the second three-position four-way valve
Mouth 164 connects the rod chamber of second hydraulic cylinders 42, and the oil inlet 161 of the second three-position four-way valve is connect with overflow valve 17, and the two or three
The oil outlet 162 of position four-way valve is connected with fuel tank 18.15 and second three-position four-way valve 16 of used first three-position four-way valve
It is O-shaped three-position four-way valve.
First activity shovel head 10 is identical with 11 structure of the second activity shovel head, and one end of nearly joint face is set in the first card slot 6
Be equipped with limit protrusion 7, be provided on snap-gauge 8 with 7 matched guiding groove of limit protrusion, be oriented to the length and piston of groove
The length of bar 2 has codetermined the maximum relative displacement that can occur between snap-gauge 8 and the first activity shovel head 10.
First activity shovel head 10 and the second activity shovel head 11 respectively can be real by first hydraulic cylinder 41 and second hydraulic cylinder 42
Now outer, in the function stopping and shrinks, when the first activity shovel head 10 in the present invention needs outer, hydraulic oil passes through hydraulic pump
13 reach the import of overflow valve 17, then reach the first three-position four-way valve 15 from the outlet of overflow valve 17, at this point, the first 3-position 4-way
The oil inlet 151 of valve is connect with the A working holes 153 of the first three-position four-way valve, A working hole of the hydraulic oil through the first three-position four-way valve
153 enter the rodless cavity of hydraulic cylinder, push the piston rod 2 of first hydraulic cylinder 41 to be moved to rod chamber direction, first hydraulic cylinder
Hydraulic oil in 41 rod chamber reaches the oil outlet of the first three-position four-way valve by the B working holes 154 of the first three-position four-way valve
154, it finally reaches and reaches fuel tank 18 again, the piston rod 2 for realizing first hydraulic cylinder 41 living is transported to the rod chamber direction of hydraulic cylinder
Band, to which the piston rod 2 of first hydraulic cylinder 41 drives the first connected activity shovel head 10 to open outward, likewise, when this
When the second activity shovel head 11 in invention needs outer, by opening the second three-position four-way valve 16, the second three-position four-way valve is connected
Oil inlet 161 and the second three-position four-way valve A working holes 163, connect the second three-position four-way valve oil outlet 162 and the two or three
The B working holes 164 of position four-way valve realize that the piston rod 8 of second hydraulic cylinder 42 is opened outward with the second activity shovel head 11.
When a kind of telescopic excavator shovel head of double-cylinder hydraulic of the present invention needs to stop outer or contractive action, then close
First three-position four-way valve 15 or the second three-position four-way valve 16, when the first activity shovel head 10 needs to stop outer or contractive action,
The first three-position four-way valve 15 is then closed, it refers to the oil inlet 151 for closing the first three-position four-way valve to close the first three-position four-way valve 15
With the oil outlet 152 of the first three-position four-way valve；Then 2 stop motion of piston rod of first hydraulic cylinder 41, with first hydraulic cylinder 41
The first activity shovel head 10 that piston rod 2 is connected stops outer or contractive action；When the second activity shovel head 11 needs to stop outer
Or when contractive action, the second three-position four-way valve 16 is closed, second three-position four-way valve of closing 16 refers to closing the two or three
The oil inlet 161 of four-way valve and the oil outlet 162 of the second three-position four-way valve, then 2 stop motion of piston rod of second hydraulic cylinder 42,
The second activity shovel head 11 being connected with the piston rod 2 of second hydraulic cylinder 42 stops outer or contractive action.
When the first activity shovel head 10 in the present invention needs to shrink, hydraulic oil reaches overflow valve 17 by hydraulic pump 13
Import, then from the outlet of overflow valve 17 reach the first three-position four-way valve 15, at this point, the oil inlet 151 of the first three-position four-way valve with
The B working holes 154 of first three-position four-way valve connect, and B working hole 154 of the hydraulic oil through the first three-position four-way valve enters the first liquid
The rod chamber of cylinder pressure 41 pushes the piston rod 2 of first hydraulic cylinder 41 to be moved to rodless cavity direction, the rodless cavity of first hydraulic cylinder 41
In hydraulic oil by the first three-position four-way valve A working holes 153 reach the first three-position four-way valve oil outlet 154, finally arrive
Up to fuel tank 18 is reached again, the piston rod 2 for realizing first hydraulic cylinder 41 transports band to the rodless cavity direction of first hydraulic cylinder 41, to
The piston rod 2 of first hydraulic cylinder 41 drives the first connected activity shovel head 10 to shrink, likewise, when the in the present invention
When one activity shovel head 10 needs to shrink, the B working holes of the oil inlet 161 and the second three-position four-way valve of the second three-position four-way valve are connected
164, the A working holes 163 of the oil outlet 162 and the second three-position four-way valve of the second three-position four-way valve are connected, realize second hydraulic cylinder
42 piston rod 2 is shunk with the second activity shovel head 11.
By to the first three-position four-way valve 15 and the second three-position four-way valve 16 to first hydraulic cylinder 41 and second hydraulic cylinder 42
Control, realize outer independent to the first activity shovel head 10 and the second activity shovel head 11, in the action that stops and shrink so that this hair
A kind of telescopic excavator shovel head lateral length of bright double-cylinder hydraulic adjusts more accurate.
Claims (4)
1. a kind of telescopic excavator shovel head of double-cylinder hydraulic, it is characterised in that：Including third shovel head（9）, be symmetrically connected to third
Shovel head（9）First activity shovel head of both sides（10）With the second activity shovel head（11）, in third shovel head（9）Both sides are symmetrically arranged with point
The first activity shovel head Yong Yu be inserted into（10）With the second activity shovel head（11）Snap-gauge（8）, in the first activity shovel head（10）With
Three shovel heads（9）Joint face on offer for snap-gauge（8）The first card slot being inserted into（6）；
In third shovel head（9）The back side be provided with driving the first activity shovel head（9）With the second activity shovel head（10）Occur respectively horizontal
To the hydraulic cylinder of displacement（4）, the hydraulic cylinder includes for controlling the first activity shovel head（9）Movable first hydraulic cylinder（41）
With for control the second activity shovel head（10）Movable second hydraulic cylinder（42）, first hydraulic cylinder（41）And second hydraulic cylinder（42）
Piston rod（2）It is separately connected the first activity shovel head（9）With the second activity shovel head（10）.
2. the telescopic excavator shovel head of a kind of double-cylinder hydraulic according to claim 1, it is characterised in that：First activity shovel head
（10）With the second activity shovel head（11）The back side be both provided with for connecting piston rod（2）Hydraulic installalion pedestal（5）, hydraulic pressure peace
Fill pedestal（5）On offer through-hole（3）With with through-hole（3）Perpendicular blind hole（14）, the through-hole（3）Axial direction with it is horizontal
Face is parallel, piston rod（2）From through-hole（3）In wear, piston rod（2）End is provided with location hole（12）, piston rod（2）End positions
Hole（12）Axial direction and hydraulic installalion pedestal（5）Upper blind hole（14）Axially coincident, blind hole（14）And piston rod（2）End positions
Hole（12）In be provided with positioning pin.
3. the telescopic excavator shovel head of a kind of double-cylinder hydraulic according to claim 1, it is characterised in that：First hydraulic cylinder
（41）Pass through the first three-position four-way valve（15）Connect overflow valve（17）, overflow valve（17）The other end pass through hydraulic pump（13）With oil
Case（18）Connection；First three-position four-way valve（15）Four interfaces be respectively the first three-position four-way valve oil inlet（151）, first
The oil outlet of three-position four-way valve（152）, the first three-position four-way valve A working holes（153）With the B working holes of the first three-position four-way valve
（154）；The A working holes of first three-position four-way valve（153）Connect first hydraulic cylinder（41）Rodless cavity, the first three-position four-way valve
B working holes（154）Connect first hydraulic cylinder（41）Rod chamber, the oil inlet of the first three-position four-way valve（151）With overflow valve
（17）Connection, the oil outlet of the first three-position four-way valve（152）With fuel tank（18）It is connected；
Second hydraulic cylinder（42）Pass through the second three-position four-way valve（16）Connect overflow valve（17）, overflow valve（17）The other end pass through
Hydraulic pump（13）With fuel tank（18）Connection, the second three-position four-way valve（16）Four interfaces be respectively the second three-position four-way valve into
Hydraulic fluid port（161）, the second three-position four-way valve oil outlet（162）, the second three-position four-way valve A working holes（163）With the two or three
The B working holes of four-way valve（164）；The A working holes of second three-position four-way valve（163）Connect second hydraulic cylinder（42）Rodless cavity,
The B working holes of second three-position four-way valve（164）Connect second hydraulic cylinder（42）Rod chamber, the oil inlet of the second three-position four-way valve
（161）With overflow valve（17）Connection, the oil outlet of the second three-position four-way valve（162）With fuel tank（18）It is connected.
4. according to a kind of telescopic excavator shovel head of double-cylinder hydraulic of claim 1-3 any one of them, it is characterised in that：?
One card slot（6）In one end of nearly joint face be provided with limit protrusion（7）, in snap-gauge（8）On be provided with and limit protrusion（7）Match
The guiding groove of conjunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810832899.1A CN108755809A (en) | 2018-07-26 | 2018-07-26 | A kind of telescopic excavator shovel head of double-cylinder hydraulic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810832899.1A CN108755809A (en) | 2018-07-26 | 2018-07-26 | A kind of telescopic excavator shovel head of double-cylinder hydraulic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108755809A true CN108755809A (en) | 2018-11-06 |
Family
ID=63971278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810832899.1A Pending CN108755809A (en) | 2018-07-26 | 2018-07-26 | A kind of telescopic excavator shovel head of double-cylinder hydraulic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108755809A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236346A (en) * | 2020-03-05 | 2020-06-05 | 四川鼎恒建设工程有限公司 | Water conservancy ditch excavation construction device and construction method thereof |
| CN113179681A (en) * | 2021-04-16 | 2021-07-30 | 吉安井冈农业园艺科技有限公司 | Honey shaddock is planted and is used ditching equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1754026A (en) * | 2003-02-25 | 2006-03-29 | 詹路卡·马拉克里诺 | Bucket or scoop with adjustable capacity |
| US20060182590A1 (en) * | 2004-09-07 | 2006-08-17 | Mcfarland David L | Expandable implement attachment |
| CN105002948A (en) * | 2015-07-03 | 2015-10-28 | 徐工集团工程机械股份有限公司科技分公司 | Scraper bowl with variable capacity |
| CN106088199A (en) * | 2016-06-23 | 2016-11-09 | 安庆市蒲公英水电安装工程有限公司 | A kind of highway ditch cleaning intelligent robot scraper bowl |
| CN208899558U (en) * | 2018-07-26 | 2019-05-24 | 南京工业职业技术学院 | A kind of telescopic excavator shovel head of double-cylinder hydraulic |
-
2018
- 2018-07-26 CN CN201810832899.1A patent/CN108755809A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1754026A (en) * | 2003-02-25 | 2006-03-29 | 詹路卡·马拉克里诺 | Bucket or scoop with adjustable capacity |
| US20060182590A1 (en) * | 2004-09-07 | 2006-08-17 | Mcfarland David L | Expandable implement attachment |
| CN105002948A (en) * | 2015-07-03 | 2015-10-28 | 徐工集团工程机械股份有限公司科技分公司 | Scraper bowl with variable capacity |
| CN106088199A (en) * | 2016-06-23 | 2016-11-09 | 安庆市蒲公英水电安装工程有限公司 | A kind of highway ditch cleaning intelligent robot scraper bowl |
| CN208899558U (en) * | 2018-07-26 | 2019-05-24 | 南京工业职业技术学院 | A kind of telescopic excavator shovel head of double-cylinder hydraulic |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236346A (en) * | 2020-03-05 | 2020-06-05 | 四川鼎恒建设工程有限公司 | Water conservancy ditch excavation construction device and construction method thereof |
| CN113179681A (en) * | 2021-04-16 | 2021-07-30 | 吉安井冈农业园艺科技有限公司 | Honey shaddock is planted and is used ditching equipment |
| CN113179681B (en) * | 2021-04-16 | 2022-07-19 | 吉安井冈农业园艺科技有限公司 | Honey shaddock is planted and is used ditching equipment |
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Application publication date: 20181106 |
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