CN202509620U - Dredging grabbing vehicle for vertical shaft - Google Patents
Dredging grabbing vehicle for vertical shaft Download PDFInfo
- Publication number
- CN202509620U CN202509620U CN2012201211453U CN201220121145U CN202509620U CN 202509620 U CN202509620 U CN 202509620U CN 2012201211453 U CN2012201211453 U CN 2012201211453U CN 201220121145 U CN201220121145 U CN 201220121145U CN 202509620 U CN202509620 U CN 202509620U
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- CN
- China
- Prior art keywords
- oil cylinder
- vertical shaft
- shaft desilting
- arm
- grab trolley
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- Withdrawn - After Issue
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Abstract
The utility model provides a dredging grabbing vehicle for a vertical shaft. The dredging grabbing vehicle for the vertical shaft comprises a movable vehicle body, a turnable tipping hopper, a drivable rotary base and a drivable connecting assembly, wherein the turnable tipping hopper and the drivable rotary base are arranged on the movable vehicle body; and the drivable connecting assembly is arranged on the rotary base. The dredging grabbing vehicle for the vertical shaft further comprises a drivable telescopic device arranged on the connecting assembly, and the tail end of the telescopic device is provided with a grabbing hopper. According to the dredging grabbing vehicle for the vertical shaft, provided by the utility model, the hopper can be smoothly pushed into blockage substances through the telescopic device, so that the grabbing hopper smoothly grabs the blockage substances, therefore the dredging operation can be favorably carried out smoothly. Meanwhile, the dredging grabbing vehicle for the vertical shaft, provided by the utility model, is controlled by a control device in a remote control manner, so that the dredging speed is fast and the precision is high.
Description
Technical field
The utility model relates to the desilting equipment field, especially, relates to a kind of vertical shaft desilting grab trolley.
Background technology
The urban discharging pipeline manhole often deposits, and at present, uses the mechanical gripping trolley that manhole is carried out desilting work usually.This mechanical gripping trolley will be grabbed bucket and used mechanical winch through wire rope well to be put in grab bucket; And the deadweight that relies on grab bucket makes grab bucket crash in the mud of manhole; After grab bucket grabs mud, the extraction of will grabbing bucket of mechanical gripping trolley, and then mud drawn off from grab bucket.When the mechanical gripping trolley used grab bucket to grasp deposit, the water content of deposit need reach more than 95%.When running into water content less than 80% deposit, deposit is bigger because of hardness, and grab bucket leans on himself gravity can not be deep into inner extracting of deposit to silt thing up, thereby makes the desilting work of mechanical gripping trolley to carry out smoothly.Therefore, the usability of existing mechanical grab trolley receives very big restriction, relies on the gravity of grab bucket self to stretch into deposit inside, and speed is slow, inefficiency, and inaccurate.
The utility model content
The utility model purpose is to provide a kind of vertical shaft desilting grab trolley, can't be deep into the grab bucket that solves the existing machinery grab trolley and silt the technical problem that thing is silted in extracting up in the thing up.
For realizing above-mentioned purpose; An aspect according to the utility model; A kind of vertical shaft desilting grab trolley is provided; Comprise moving body, be installed on turnover tipping bucket on the moving body, be installed on the drivable rotating basis on the moving body and be installed on the drivable coupling assembling on the rotating basis, vertical shaft desilting grab trolley also comprises the drivable stretching device that is installed on the coupling assembling, and the end of stretching device is equipped with a grab bucket.
Further, stretching device comprises the pedestal tube and is placed on the telescopic arm in the pedestal tube that telescopic arm is drivable flexible along the pedestal tube, grabs bucket to be co-axially mounted on the end of telescopic arm.
Further, stretching device also comprises the 3rd oil cylinder, and the cylinder barrel of the 3rd oil cylinder is fixedly installed in the pedestal tube, and the piston rod of the 3rd oil cylinder is permanently connected on the telescopic arm.
Further, stretching device comprises that also can be placed on second in the pedestal tube drivingly saves arm and can be placed on the 3rd joint arm in the second joint arm drivingly, and first end of the 3rd joint arm is equipped with grab bucket coaxially.
Further, stretching device also comprises the 3rd oil cylinder and the 4th oil cylinder, and wherein, the cylinder barrel of the 3rd oil cylinder is fixedly installed in the pedestal tube, the piston rod of the 3rd oil cylinder be permanently connected second the joint arm first end; The cylinder barrel of the 4th oil cylinder is fixedly installed in the pedestal tube, the piston rod of the 4th oil cylinder be permanently connected the 3rd the joint arm first end.
Further, coupling assembling comprises first swing arm, second swing arm, contiguous block, first oil cylinder, second oil cylinder, and wherein, contiguous block comprises first drift angle, second drift angle and the 3rd drift angle; First end of first swing arm and first end of second swing arm are installed on rotating basis pivotly; Second end of first swing arm connects first drift angle pivotly, and second end of second swing arm connects second drift angle pivotly; The cylinder barrel of first oil cylinder is installed on rotating basis pivotly, and the piston rod of first oil cylinder is connected in first swing arm pivotly; The cylinder barrel of second oil cylinder is connected in first drift angle pivotly; The two ends of pedestal tube are connected in the piston rod of the 3rd drift angle and second oil cylinder respectively pivotly.
Further, coupling assembling also comprises the mount pad that is connected on the contiguous block, and two opposite ends of mount pad are connected in the piston rod of the 3rd drift angle and second oil cylinder respectively pivotly, and the pedestal tube is fixedly installed in mount pad.
Further, vertical shaft desilting grab trolley also comprises the control device that is installed on the moving body, and control device is controlled first oil cylinder, second oil cylinder, the 3rd oil cylinder and the 4th oil cylinder.
Further, vertical shaft desilting grab trolley also comprises potentiometer, and potentiometer is installed on rotating basis, and potentiometer is electrically connected with control device.
Further, vertical shaft desilting grab trolley also comprises angular transducer, and angular transducer is installed on first swing arm, and angular transducer is electrically connected with control device.
Further, vertical shaft desilting grab trolley also comprises inductor, and inductor is installed on the pedestal tube, and inductor is electrically connected with control device.
Further, the two opposite sides of moving body are provided with adjustable support leg, and adjustable support leg is a hydraulic leg, control device control adjustable support leg.
The utlity model has following beneficial effect: the vertical shaft desilting grab trolley of the utility model can will be grabbed bucket to push smoothly and silted up in the thing through stretching device, silt thing up thereby make grab bucket grasp smoothly, help carrying out smoothly of desilting work.Simultaneously, the vertical shaft desilting grab trolley of the utility model mainly adopts the mode of remote control to control through control device, and not only desilting speed is fast, and accuracy is high.
Except top described purpose, feature and advantage, the utility model also has other purpose, feature and advantage.To do further detailed explanation to the utility model with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the complete vehicle structure sketch map of the vertical shaft desilting grab trolley of the utility model preferred embodiment;
Fig. 2 is the structural representation of rotating basis, coupling assembling and the stretching device of the utility model preferred embodiment;
Fig. 3 is the structural representation of the stretching device of the utility model preferred embodiment; And
Fig. 4 to Fig. 7 is the working state schematic representation of the vertical shaft desilting grab trolley of the utility model preferred embodiment.
The specific embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1, the vertical shaft desilting grab trolley of the utility model comprises moving body 1, rotating basis 2, coupling assembling 3, stretching device 4, grab bucket 5, control device 6 and tipping bucket 7.Wherein, rotating basis 2 is installed in the front portion of moving body 1, and tipping bucket 7 is installed in the rear portion of moving body 1, and coupling assembling 3 is installed on the rotating basis 2, and stretching device 4 is installed on the coupling assembling 3.The end that grab bucket 5 is co-axially mounted on stretching device 4 is installed.Control device 6 is installed on the moving body 1, and is used for controlling respectively the operation of rotating basis 2, coupling assembling 3 and stretching device 4.
Preferably, moving body 1 is a chassis.Two opposite sides at moving body 1 are provided with adjustable support leg 11 symmetrically.Preferably, this adjustable support leg 11 is a hydraulic leg.When the vertical shaft desilting grab trolley of the utility model is in the construction state, through operating control device 6, can be so that adjustable support leg 11 be supported in ground, thus make vertical shaft desilting grab trolley be in level.
See also Fig. 2, rotating basis 2 is installed in rotation on the front portion of moving body 1, and rotating basis 2 can rotate freely 360 degree under the control of control device 6.Preferably, rotating basis 2 is a worm gear arrangement, and it is meshed with a worm screw 23.Through hydraulic pressure or electrical motor driven worm screw 23, worm screw 23 and then 2 rotations of driven rotary pedestal.Preferably, potentiometer (figure does not show) is installed on rotating basis 2, the angle that this potentiometer rotates rotating basis 2 is converted into the signal of telecommunication and flows to control device 6, so that control device 6 gets off this angle recordings that rotating basis 2 is rotated.Preferably, be provided with first lug 21 and second lug 22 at the top of rotating basis 2, so that connect above-mentioned coupling assembling 3.
Coupling assembling 3 comprises first swing arm 31, second swing arm 32, contiguous block 33, first oil cylinder 34, second oil cylinder 35 and mount pad 36.First end of first end of this first swing arm 31 and second swing arm 32 is installed on first lug 21 of rotating basis 2 or rotating basis 2 pivotly.Preferably, the cross section of contiguous block 33 is roughly triangle.Second end of second end of first swing arm 31 and second swing arm 32 is installed on first drift angle 331 and second drift angle 332 of contiguous block 33 respectively pivotly.The piston rod 342 that the cylinder barrel 341 of first oil cylinder 34 is connected in second lug, 22, the first oil cylinders 34 of rotating basis 2 or rotating basis 2 pivotly is connected in the middle part of first swing arm 31 pivotly.The opposite end, bottom of mount pad 36 is respectively arranged with the 3rd lug 361 and the 4th lug 362.The 3rd drift angle 333 of contiguous block 33 is connected in first end of mount pad 36 pivotly through the 3rd lug 361.The piston rod 352 that the cylinder barrel 351 of second oil cylinder 35 is connected in first drift angle, 331, the second oil cylinders 35 of mounting blocks 33 pivotly is connected in the 4th lug 362 of second end of mount pad 36 pivotly.Preferably, angular transducer (figure does not show) also is installed in first swing arm 31.
Above-mentioned mount pad 36 relies on the contiguous block 33 and second oil cylinder 35 to support.
Please combine referring to Fig. 3, above-mentioned stretching device 4 is installed on the mount pad 36.Stretching device 4 comprises pedestal tube 41 and is placed on the telescopic arm in this pedestal tube 41.Telescopic arm can be flexible along the pedestal tube drivingly, and at the end of telescopic arm above-mentioned grab bucket 5 is installed.
In this embodiment, telescopic arm comprises the second joint arm 42 and the 3rd joint arm 43.Wherein, pedestal tube 41 is installed on the above-mentioned mount pad 36 regularly.The second joint arm 42 is nested with in pedestal tube 41, and first end of the second joint arm 42 exposes to pedestal tube 41.The 3rd joint arm 43 is nested with in the second joint arm 42, and first end of the 3rd joint arm 43 exposes to first end of the second joint arm 42.Preferably, inductor (figure does not show) is installed on the pedestal tube 41.
In other embodiment of the utility model, also above-mentioned mount pad 36 can be set, but the two ends of pedestal tube 41 are connected the 3rd above-mentioned drift angle 333 and the piston rod 352 of second oil cylinder 35 respectively pivotly.
The outer wall of pedestal tube 41 also relatively is equipped with the 3rd oil cylinder 44 and the 4th oil cylinder 45.Wherein, the cylinder barrel 441 of the 3rd oil cylinder 44 is axially parallel with pedestal tube 41, and cylinder barrel 441 is fixedly mounted on the outer wall of pedestal tube 41.The piston rod 442 of the 3rd oil cylinder 44 be permanently connected second the joint arm 42 first end.Adopt the mounting means identical with the 3rd oil cylinder 44, the cylinder barrel 451 of the 4th oil cylinder 45 is fixedly mounted in the outer wall of pedestal tube 41, wherein, the piston rod 452 of the 4th oil cylinder 45 be permanently connected the 3rd save arm 43 first end.Above-mentioned grab bucket 5 is co-axially mounted on first end of the 3rd joint arm 43.
In other embodiments, the 3rd joint arm 43 and the 4th oil cylinder 45 can be set also, directly will grab bucket 5 be co-axially mounted on second save arm 42 first end.
The vertical shaft desilting grab trolley of the utility model is when unused state, and above-mentioned stretching device 4 is shelved on the tipping bucket 7 through the contiguous block 33 of coupling assembling 3, to alleviate the load of first oil cylinder 34 and second oil cylinder 35.
See also Fig. 4 to Fig. 7, the vertical shaft desilting grab trolley of the utility model in use, during promptly to the desilting of manhole 8, use is roughly following:
At first, the vertical shaft desilting grab trolley of the utility model is driven to the side of manhole 8 through moving body 1.Then, fall through the adjustable support leg 11 of control device 6 control moving bodies 1 both sides, make adjustable support leg 11 be supported in ground, the top cover of control device 6 control tipping buckets 7 is opened.The piston rod 342 of control device 6 controls first oil cylinder 34 moves upward, and piston rod 342 is past to ejection first swing arm, 31, the first swing arms 31 and then drive contiguous block 33 and stretching device 4 disengaging tipping buckets 7.
Then, control device 6 control rotating basis 2 rotations first angle is so that stretching device 4 roughly is positioned at the top of manhole 8.Then, piston rod 352 outward of control device 6 controls second oil cylinder 35, the stretching device 4 that piston rod 352 will be installed on the mount pad 36 erects.When if the stretching device of holding up 4 can't align with manhole 8, control device 6 is put wall 31 and the second suitable angle of second swing arm, 32 rotations thereby make to win, and then is made stretching device 4 align with manhole 8 through 34 operations of control first oil cylinder.The angular transducer that is installed on first swing arm 31 is responded to second angle of first swing arm, 31 rotations.In said process; When the rotation of second angle was accomplished in rotation and first swing arm 31 of accomplishing first angle when rotating basis 2, control device 6 was controlled the value of this first angle of potentiometer record and the value of this second angle of angular transducer record simultaneously through a button.Potentiometer sends to control device 6 with the value of this first angle with the form of first signal of telecommunication, and simultaneously, angular transducer sends to control device 6 with the form that the value of this second angle is converted into second signal of telecommunication.
When stretching device 4 aligns with manhole 8; Control device 6 sequential controls the 3rd oil cylinder 44 and the 4th oil cylinder 45; Make the second joint arm 42 earlier along pedestal tube 41 past extending below; Make the 3rd joint arm 43 along the second joint arm, 42 past extending below again, thereby make grab bucket 5 under the promotion of the second joint arm 42, be deep into silting up in the thing of manhole 8.Then, control device 6 control grab buckets 5 are grasped and are silted thing up.
When grab bucket 5 grab silt thing up after, control device 6 is through button sequential control the 4th oil cylinder 45 of operation and 44 operations of the 3rd oil cylinder, thereby makes the 3rd joint arm 43 and the second joint arm 42 successively toward retraction.When the second joint arm 42 touched the inductor on the pedestal tube 41, inductor produced first induced signal, and this first induced signal is sent to control device 6.Control first oil cylinder 34 moved after control device 6 received this first induced signal; Thereby making win pendulum wall 31 and second swing arm 32 back rotate the second above-mentioned angle; Control device 6 is then controlled rotating basis 2 and is back rotated the first above-mentioned angle, and the centre that feasible grab bucket 5 rotates to moving body is relative with tipping bucket 7.When grab bucket 5 was positioned at the top of tipping bucket 7, the top cover of tipping bucket 7 was opened, thereby the inductor on the pedestal tube 41 produces second induced signal, and this second induced signal is sent to control device 6.Then, control device 6 opens according to this second induced signal control grab bucket 5, will silt thing up and be unloaded in the tipping bucket 7.
According to operating principle as above; Control device 6 is controlled rotating basis 2 rotations first angle once more according to above-mentioned first signal of telecommunication of receiving; Then; Control device 6 is controlled the operation of first oil cylinder 34 once more according to above-mentioned second signal of telecommunication of receiving, makes win swing arm 31 and second swing arm 32 rotate second angle simultaneously, and then makes the stretching device of erectting 4 align again with manhole 8.Identical ground, grab bucket 5 enter into manhole 8 in extracting once more and silt thing up under the effect of stretching device 4, and will silt thing up and be unloaded in the tipping bucket 7.
Piling up when the front portion of tipping bucket 7 has manyly when silting thing up, and control device 6 control tipping buckets 7 are toward rear-inclineds, make tipping bucket 7 the front portion silt the rear portion that thing is poured tipping bucket 7 into up silt thing up so that the front portion of tipping bucket 7 continues to load.
Fill when silting thing up when tipping bucket 7, moving body 1 is carried to the soot with tipping bucket 7, will silt thing up and be unloaded to the soot.
Know that by above the vertical shaft desilting grab trolley of the utility model can will be grabbed bucket through stretching device 4 and 5 pushed smoothly and silt up in the thing, silt thing up thereby make grab bucket 5 grasp smoothly, help carrying out smoothly of desilting work.Simultaneously, the vertical shaft desilting grab trolley of the utility model mainly adopts the mode of remote control to control through control device 6, and not only desilting speed is fast, and accuracy is high.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (12)
1. vertical shaft desilting grab trolley; Comprise moving body (1), be installed on turnover tipping bucket (7) on the said moving body (1), be installed on the drivable rotating basis (2) on the said moving body (1) and be installed on the drivable coupling assembling (3) on the said rotating basis (2); It is characterized in that; Said vertical shaft desilting grab trolley also comprises the drivable stretching device (4) that is installed on the said coupling assembling (3), and the end of said stretching device (4) is equipped with a grab bucket (5).
2. vertical shaft desilting grab trolley according to claim 1; It is characterized in that; Said stretching device (4) comprises pedestal tube (41) and is placed on the telescopic arm in the said pedestal tube (41); Said telescopic arm is drivable flexible along said pedestal tube (41), and said grab bucket (5) is co-axially mounted on the end of said telescopic arm.
3. vertical shaft desilting grab trolley according to claim 2; It is characterized in that; Said stretching device (4) also comprises the 3rd oil cylinder (44); The cylinder barrel (441) of said the 3rd oil cylinder (44) is fixedly installed in said pedestal tube (41), and the piston rod (442) of said the 3rd oil cylinder (44) is permanently connected on the said telescopic arm.
4. vertical shaft desilting grab trolley according to claim 2; It is characterized in that; Said stretching device (4) comprises that also can be placed on second in the said pedestal tube (41) drivingly saves arm (42) and can be placed on the 3rd joint arm (43) in the said second joint arm (42) drivingly, and first end of said the 3rd joint arm (43) is equipped with said grab bucket (5) coaxially.
5. vertical shaft desilting grab trolley according to claim 4 is characterized in that, said stretching device (4) also comprises the 3rd oil cylinder (44) and the 4th oil cylinder (45), wherein,
The cylinder barrel (441) of said the 3rd oil cylinder (44) is fixedly installed in said pedestal tube (41), the piston rod (442) of said the 3rd oil cylinder (44) be permanently connected said second the joint arm (42) first end;
The cylinder barrel (451) of said the 4th oil cylinder (45) is fixedly installed in said pedestal tube (41), the piston rod (452) of said the 4th oil cylinder (45) be permanently connected said the 3rd the joint arm (43) first end.
6. vertical shaft desilting grab trolley according to claim 5 is characterized in that, said coupling assembling (3) comprises first swing arm (31), second swing arm (32), contiguous block (33), first oil cylinder (34), second oil cylinder (35), wherein,
Said contiguous block (33) comprises first drift angle (331) second drift angles (332) and the 3rd drift angle (333);
First end of first end of said first swing arm (31) and said second swing arm (32) is installed on said rotating basis (2) pivotly;
Second end of said first swing arm (31) connects said first drift angle (331) pivotly, and second end of said second swing arm (32) connects said second drift angle (332) pivotly;
The cylinder barrel (341) of said first oil cylinder (34) is installed on said rotating basis (2) pivotly, and the piston rod (342) of said first oil cylinder (34) is connected in said first swing arm (31) pivotly;
The cylinder barrel (351) of said second oil cylinder (35) is connected in said first drift angle (331) pivotly;
The two ends of said pedestal tube (41) are connected in the piston rod (352) of said the 3rd drift angle (333) and said second oil cylinder (35) respectively pivotly.
7. vertical shaft desilting grab trolley according to claim 6; It is characterized in that; Said coupling assembling (3) also comprises the mount pad (36) that is connected on the said contiguous block (33); Two opposite ends of said mount pad (36) are connected in the piston rod (352) of said the 3rd drift angle (333) and said second oil cylinder (35) respectively pivotly, and said pedestal tube (41) is fixedly installed in said mount pad (36).
8. vertical shaft desilting grab trolley according to claim 6; It is characterized in that; Said vertical shaft desilting grab trolley also comprises the control device (6) that is installed on the moving body (1), said control device (6) control said first oil cylinder (34), said second oil cylinder (35), said the 3rd oil cylinder (44) and said the 4th oil cylinder (45).
9. vertical shaft desilting grab trolley according to claim 8 is characterized in that, said vertical shaft desilting grab trolley also comprises potentiometer, and said potentiometer is installed on said rotating basis (2), and said potentiometer is electrically connected with said control device.
10. vertical shaft desilting grab trolley according to claim 8 is characterized in that, said vertical shaft desilting grab trolley also comprises angular transducer, and said angular transducer is installed on said first swing arm (31), and said angular transducer is electrically connected with said control device.
11. vertical shaft desilting grab trolley according to claim 8 is characterized in that, said vertical shaft desilting grab trolley also comprises inductor, and said inductor is installed on said pedestal tube (41), and said inductor is electrically connected with said control device.
12. vertical shaft desilting grab trolley according to claim 8 is characterized in that the two opposite sides of said moving body (1) are provided with adjustable support leg (11), said adjustable support leg (11) is a hydraulic leg, and said control device (6) is controlled said adjustable support leg (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201211453U CN202509620U (en) | 2012-03-27 | 2012-03-27 | Dredging grabbing vehicle for vertical shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201211453U CN202509620U (en) | 2012-03-27 | 2012-03-27 | Dredging grabbing vehicle for vertical shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202509620U true CN202509620U (en) | 2012-10-31 |
Family
ID=47062112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201211453U Withdrawn - After Issue CN202509620U (en) | 2012-03-27 | 2012-03-27 | Dredging grabbing vehicle for vertical shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202509620U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587489A (en) * | 2012-03-27 | 2012-07-18 | 湖南奇思环保有限公司 | Shaft dredging grab bucket truck |
| CN104213631A (en) * | 2014-09-30 | 2014-12-17 | 铁岭陆平专用汽车有限责任公司 | Mandril grab bucket dredging vehicle |
| CN105544717A (en) * | 2016-01-13 | 2016-05-04 | 长沙智汛通环保科技有限公司 | Novel shaft is drawn and is dug car |
| CN111648462A (en) * | 2020-05-26 | 2020-09-11 | 南京金长江交通设施有限公司 | Grab bucket vehicle with rotary self-unloading box |
| CN113684914A (en) * | 2021-09-01 | 2021-11-23 | 江苏徐工工程机械研究院有限公司 | Operation device of drainage emergency vehicle and drainage emergency vehicle |
-
2012
- 2012-03-27 CN CN2012201211453U patent/CN202509620U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587489A (en) * | 2012-03-27 | 2012-07-18 | 湖南奇思环保有限公司 | Shaft dredging grab bucket truck |
| CN102587489B (en) * | 2012-03-27 | 2014-01-22 | 湖南奇思环保有限公司 | Shaft dredging grab bucket truck |
| CN104213631A (en) * | 2014-09-30 | 2014-12-17 | 铁岭陆平专用汽车有限责任公司 | Mandril grab bucket dredging vehicle |
| CN105544717A (en) * | 2016-01-13 | 2016-05-04 | 长沙智汛通环保科技有限公司 | Novel shaft is drawn and is dug car |
| CN105544717B (en) * | 2016-01-13 | 2017-10-27 | 长沙智汛通环保科技有限公司 | Shaft is drawn and is dug car |
| CN111648462A (en) * | 2020-05-26 | 2020-09-11 | 南京金长江交通设施有限公司 | Grab bucket vehicle with rotary self-unloading box |
| CN113684914A (en) * | 2021-09-01 | 2021-11-23 | 江苏徐工工程机械研究院有限公司 | Operation device of drainage emergency vehicle and drainage emergency vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121031 Effective date of abandoning: 20140122 |
|
| RGAV | Abandon patent right to avoid regrant |