CN2827993Y - Walk type crane - Google Patents
Walk type crane Download PDFInfo
- Publication number
- CN2827993Y CN2827993Y CN 200520085083 CN200520085083U CN2827993Y CN 2827993 Y CN2827993 Y CN 2827993Y CN 200520085083 CN200520085083 CN 200520085083 CN 200520085083 U CN200520085083 U CN 200520085083U CN 2827993 Y CN2827993 Y CN 2827993Y
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- Prior art keywords
- vehicle frame
- hydraulic system
- oil
- following vehicle
- oil cylinder
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Abstract
The utility model relates to a walking type crane. A hoisting part is arranged on an upper crane frame, the front ends of supporting arms at the front part and the rear part of the upper crane frame are provided with supporting legs, oil pumps of an upper crane hydraulic system and a lower crane hydraulic system are driven by power apparatus, and the upper crane frame is supported by two tracks on a lower crane frame. The two sides of the upper crane frame are respectively fixed with a plurality of hanging boards with rolling wheels at intervals, the rolling wheels are positioned in concave parts at the lateral parts of the tracks, both ends of a longitudinal oil cylinder are hinged by the upper crane frame and the lower crane frame, and both ends of the lower crane frame are supported by two sliding tracks arranged transversely and connected with each other. Both ends of the lower crane frame are fixedly arranged at the outer sides of the sliding tracks and are provided with a plurality of hanging boards with rolling wheels, the rolling wheels are positioned in concave parts at the lateral parts of the sliding tracks, the lower parts of both ends of the lower crane frame are respectively hinged with one end of a transverse oil cylinder whose the other end is hinged with the sliding tracks, and the longitudinal oil cylinder and the two transverse oil cylinders are respectively connected with the lower crane hydraulic system via a reversing valve. In addition, the power apparatus are two motors. The crane has reasonable and simple structure, reliable motion and rotation, low fabricating cost, low use cost and less environmental pollution at work.
Description
Technical field
The utility model relates to weight-lifting equipment, specifically a kind of walk type crane.
Background technology
At present, the main kind of runabout crane has crawler crane, car hosit, wheel-mounted crane.Crawler crane moves more flexible at operation field, but it be will cut to the time, must be with the bigger full size vehicle delivery of load carrying ability, and also when being road, bridge in the operation place, crawler crane is often inapplicable, and in addition, its price is also higher.For car hosit, it moves flexibly in the operation place, and long distance transition is convenient, but price is expensive.For wheel-mounted crane, its cost is above-mentioned relatively, and both are higher.In addition, above-mentioned three kinds of used power plants of hoisting crane are driving engine, and therefore, their use cost is higher, and driving engine can discharge a large amount of waste gas when work, send bigger noise.
The utility model content
The walk type crane that provides a kind of cost low is provided the purpose of this utility model, and it can realize moving and rotating in the operation place.
For achieving the above object, the utility model walk type crane adopts following scheme: it comprises the lifting part, lifting partly is landed on the vehicle frame, the front portion of last vehicle frame, the rear portion is equipped with two hold-down arms that stretch to both sides only, the front end of each hold-down arm is provided with supporting leg, it also comprises the last vehicle hydraulic system of hoist mechanism in the control lifting part, the following vehicle hydraulic system of control hold-down arm and supporting leg, the oil pump of last vehicle hydraulic system and following vehicle hydraulic system is driven by the power plant that is located on the vehicle frame, the below of last vehicle frame is provided with down vehicle frame, have two tracks of vertically arranging on the following vehicle frame, last vehicle frame is by two rail supports, equal compartment of terrain, the both sides of last vehicle frame sets firmly several link plates, roller is housed on the link plate, roller is in the depression position of track sidepiece, vertically the two ends of oil cylinder and last vehicle frame and following vehicle frame are hinged, the two ends of following vehicle frame are by two lateral arrangement and continuous slide rail supporting, the two ends of following vehicle frame all set firmly several link plates that are in the slide rail outside, roller is housed on the link plate, roller is in the depression position of slide rail sidepiece, the bottom at following vehicle frame two ends is all hinged with an end of a horizontal oil cylinder, laterally the other end and the slide rail of oil cylinder are hinged, vertically oil cylinder, two horizontal oil cylinders join by change-over valve and following vehicle hydraulic system respectively.
When this walk type crane will vertically move, support on the ground earlier, make down vehicle frame, slide rail unsettled, then, the piston rod of vertical oil cylinder is moved to respective direction by supporting leg, thus on produce relative displacement longitudinally between vehicle frame and the following vehicle frame.When the piston rod of vertical oil cylinder reaches the movement travel of its respective direction, shrink supporting leg, slide rail is landed, then, the piston rod of vertical oil cylinder is returned to the home position, this walk type crane has just vertically moved a segment distance.
When this walk type crane will rotate, slide rail is dropped on the ground, the piston rod that makes two horizontal oil cylinders is to different direction motions, and this walk type crane is just rotated.
When this walk type crane is wanted side travel, extend, make down vehicle frame, slide rail unsettled, then, the piston rod of two horizontal oil cylinders is moved in the same way, so that produce horizontal relative displacement between vehicle frame and the slide rail down being supported on ground supporting leg.When the piston rod of two horizontal oil cylinders reaches both strokes, shrink supporting leg, slide rail is landed, then, the piston rod of two horizontal oil cylinders is returned to the home position, this walk type crane with regard to side travel one segment distance.
Of the present utility model simple and reasonable, move and rotate reliably, to compare with existing all kinds of runabout cranes, its cost is low.
Described going up in vehicle hydraulic system and the following vehicle hydraulic system respectively has an oil pump, and described power plant is two motors, the oil pump in the transmission of two motor difference in vehicle hydraulic system and the following vehicle hydraulic system.Because of the power plant employing motor of this walk type crane, so compare with the driving engine that existing hoisting crane adopts, electricity consumption is more relatively low than the cost with oil plant, can reduce the use cost of this walk type crane like this; In addition, compare with driving engine, non-exhaust emission during machine operation, operating noise is lower, of reduced contamination to environment.
Description of drawings
Fig. 1 is the integral structure scheme drawing of the utility model embodiment;
Fig. 2 realizes the constructional drawing of the mechanism of mobile and rotation for the utility model embodiment;
Fig. 3 is A-A cutaway view of Fig. 2;
Fig. 4 is the I portion enlarged drawing of Fig. 3;
Fig. 5 is the II portion enlarged drawing of Fig. 2;
Fig. 6 is the hydraulic schematic diagram after vertically oil cylinder, two horizontal oil cylinders join with following vehicle hydraulic system among the utility model embodiment;
Fig. 7 is the front view of a kind of supporting box among the utility model embodiment;
Fig. 8 is B-B cutaway view of Fig. 7;
Fig. 9 is the front view of another kind of supporting box among the utility model embodiment;
Figure 10 is C-C cutaway view of Fig. 9.
The specific embodiment
By the following examples and accompanying drawing the utility model is described in further detail:
Referring to Fig. 1, the walk type crane that the utility model provides, it comprises lifting part 2, lifting part 2 is landed on the vehicle frame 3.The front portion of last vehicle frame 3, rear portion are equipped with two hold-down arms 8 that stretch to both sides only, and the front end of each hold-down arm 8 is provided with supporting leg 4.In lifting part 2 and last vehicle frame 3, control in addition hoist mechanism in the lifting part 2 on vehicle hydraulic system, in last vehicle frame 3, be provided with the following vehicle hydraulic system of control hold-down arm 8 and supporting leg 4, the control desk of last vehicle hydraulic system is arranged among the control cabin 2a of lifting part 2, the control desk 1 of following vehicle hydraulic system is arranged on the vehicle frame 3, and the oil pump of last vehicle hydraulic system and following vehicle hydraulic system is driven by the power plant that is located on the vehicle frame 3.It more than is prior art.In last vehicle hydraulic system and the following vehicle hydraulic system oil pump is arranged respectively, described power plant is two motors 9, a motor 9 has been shown among Fig. 1, another motor and this motor 9 of illustrating side by side, sheltered from by it, two motors 9 are the oil pump in vehicle hydraulic system and the following vehicle hydraulic system in the transmissions respectively.Like this, this walk type crane will have now and go up vehicle hydraulic system in the hoisting crane, the oil pump of vehicle hydraulic system is changed into by drive of motor by engine-drive down.The drive of motor oil pump is a routine techniques, does not repeat them here.In addition, a side of last vehicle frame 3 is piled up two groups of supporting box, i.e. each supporting box 6 of one group and each supporting box 7 of another group.
Referring to Fig. 2, the below of last vehicle frame 3 is provided with down vehicle frame 5, and equal compartment of terrain, the both sides of last vehicle frame 3 sets firmly four link plates 15, and vertically the two ends of oil cylinder 10 and last vehicle frame 3 and following vehicle frame 5 are hinged.The two ends of following vehicle frame 5 are by two lateral arrangement and continuous slide rail 11 supportings.Article two, the downside of slide rail 11 and base plate 13 are affixed, to realize the connection between the above two.The two ends of following vehicle frame 5 all set firmly several link plates 18 that are in slide rail 11 outsides.
Referring to Fig. 3, have two track 5a that vertically arrange on the following vehicle frame 5, the base portion of following vehicle frame 5 comprises two track 5a and two rigidly connected framework 5b of track 5a difference, last vehicle frame 3 is supported by two track 5a.
Referring to Fig. 4, roller 16 is housed on the link plate 15, roller 16 is in the depression position of track 5a sidepiece.Track 5a goes up the compartment of terrain and is furnished with slide block 14, and last vehicle frame 3 is landed on the slide block 14.
Referring to Fig. 5, the two ends of following vehicle frame 5 by the mode of two slide rails, 11 supportings are: the two ends of following vehicle frame 5 all have the track 5c of two lateral arrangement, and the compartment of terrain is furnished with slide block 17 on the slide rail 11, and following vehicle frame 5 is landed on the slide block 17 by track 5c.Roller 19 is housed on the link plate 18, and roller 19 is in the depression position of slide rail 11 sidepieces.
The material of slide block 17 shown in slide block shown in Fig. 4 14, Fig. 5 is the monomer cast nylon material with wear resisting property.
Referring to Fig. 2, Fig. 3, the bottom at following vehicle frame 5 two ends is all hinged with an end of a horizontal oil cylinder 12, laterally the other end of oil cylinder 12 and slide rail 11 downsides affixed base plate 13 hinged.
Referring to Fig. 6, the following vehicle hydraulic system in this walk type crane comprises: oil suction oil filter 20, oil return oil filter 21, oil pump 22, oil return line 30, four three position four-way directional control valves 31, four vertical oil cylinders 32, four cross cylinders 33, oil inlet and oil return pipeline 34, four bidirectional hydraulic locks 37, oil inlet and oil return pipeline 38, fuel tank 39.Connection mode between them is a prior art, and wherein: vertically oil cylinder 32 is used to control supporting leg 4, and cross cylinder 33 is used to control hold-down arm 8.Oil pump 22 adopts duplex gear pump.
As seen from Figure 6, above-described vertical oil cylinder 10, two horizontal oil cylinders 12 with the mode that following vehicle hydraulic system joins are:
Vertically the oil inlet of oil cylinder 10, two horizontal oil cylinders 12 and oil outlet all join with two actuator ports of three six-way transfer valves respectively by a two-way hydraulic lock 35, that is: vertically the oil inlet of oil cylinder 10 and oil outlet connect two actuator ports of three six-way transfer valves 26 by bidirectional hydraulic lock 35, and the oil inlet of two horizontal oil cylinders 12 and oil outlet all connect two actuator ports of three six-way transfer valves 27, three six-way transfer valves 28 respectively by a two-way hydraulic lock 35.
Three six-way transfer valves 26, three six-way transfer valves 27, three six-way transfer valve 28 series connection, that is: another actuator port of three six-way transfer valves 26 connects the oil inlet of three six-way transfer valves 27, and another actuator port of three six-way transfer valves 27 connects the oil inlet of three six-way transfer valves 28.One return opening of three six-way transfer valves 26, three six-way transfer valves 27, three six-way transfer valves 28 joins, and another return opening of three joins with oil return line 30 respectively.
Vertically the oil inlet of oil cylinder 10 three six-way transfer valves 26 that connect joins by the oil discharge outlet of check valve 24 and two-position four way change valve 23 and oil pump 22, and another actuator port of two-position four way change valve 23 connects delivery conduit 36.Another actuator port of one horizontal oil cylinder 12 three six-way transfer valves 28 that connect also joins with the oil inlet of three six-way transfer valves 29, three actuator ports of three six-way transfer valves 29 join with delivery conduit 25 and oil inlet and oil return pipeline 34, oil inlet and oil return pipeline 38 respectively, and two return openings of three six-way transfer valves 29 tap into oil return line 34 and oil return line 30 respectively.In addition, among Fig. 6, delivery conduit 25, delivery conduit 36 join with the chargine line of last vehicle hydraulic system.
Like this, vertically oil cylinder 10, two horizontal oil cylinders 12 join by change-over valve (i.e. three six-way transfer valves 26, three six-way transfer valves 27, three six-way transfer valves 28) and by mode shown in Figure 6 and following vehicle hydraulic system respectively, and three oil cylinders are by oil pump 22 drivings of descending vehicle hydraulic system.In addition, oil pump 22 is by motor 9 transmissions.
This walk type crane is wanted first frame relative superiority or inferiority vehicle frame 5 when transition, make flat-bed trailer enter down the below of vehicle frame 5, will descend vehicle frame 5 to drop on the flat-bed trailer then, just can be dragged by flat-bed trailer this walk type crane is cut to.The effect of the supporting box 6 shown in Fig. 1, supporting box 7 is exactly the below that superimposed code is placed on down vehicle frame 5 and supporting leg 4, will descend 5 of vehicle frames high.
Referring to Fig. 7, Fig. 8, supporting box 6 upsides have counterbore 6a.Referring to Fig. 9, Figure 10, supporting box 7 upsides have counterbore 7a, downside sets firmly insertion pipe 7b.
Referring to Fig. 8, Figure 10, when supporting box 6, supporting box 7 were piled up in stack, supporting box 6 was used in the bottom, and supporting box 7 is used in more than the second layer.When supporting box 7 was shelved on the supporting box 6, the insertion pipe 7b of supporting box 7 was inserted among the counterbore 6a of supporting box 6; When stack was piled up between each supporting box 7, the insertion pipe 7b of top supporting box 7 was inserted among the counterbore 7a of supported underneath casing 7, thereby had guaranteed the stability after supporting box 6, each supporting box 7 stack are piled up.
By Fig. 2, Fig. 8, Figure 10 as seen, this walk type crane is when transition, earlier that hold-down arm 8 is overhanging, supporting box 6, each supporting box 7 superimposed code are placed on the below of supporting leg 4, and pass through to extend supporting leg 4, vehicle frame 5 is raise, then, again supporting box 6, each supporting box 7 superimposed code are placed on down the below of vehicle frame 5, and vehicle frame 5 is dropped on the described supporting box, at this moment, following vehicle frame 5 is by the frame height.Then, shrink supporting leg 4, below supporting leg 4, add supporting box 7 with continuation, and, vehicle frame 5 is raise once more, then, continue below following vehicle frame 5, to add supporting box 7, make down vehicle frame 5 once more by the frame height by extending supporting leg 4.Carry out so constantly, promptly by below supporting leg 4 and following vehicle frame 5, alternately adding supporting box 7, can make down vehicle frame 5 constantly by the frame height, when vehicle frame 5 is higher than the height of bearing body in the flat-bed trailer apart from ground-surface height down, remove down whole supporting box of vehicle frame 5 belows, make flat-bed trailer enter down the below of vehicle frame 5, and by shrinking supporting leg 4, to descend vehicle frame 5 to drop on the bearing body, to contract in the hold-down arm 8 at last, just can drag this walk type crane is cut to by flat-bed trailer.
Below to this walk type crane move and rotation process is described further:
Referring to Fig. 2, when this walk type crane will vertically move (advance or retreat), support on the ground by supporting leg 4 earlier, and make down vehicle frame 5, slide rail 11 unsettled by extending supporting leg 4, then, driving vertical oil cylinder 10 makes its piston rod (that is: when the home position of this piston rod was extended configuration, this piston rod will be to the direction motion that makes its contraction to respective direction motion; And the home position of this piston rod is when being contraction state, and this piston rod will be to the direction motion that makes its stretching, extension) so that go up between vehicle frame 3 and the following vehicle frame 5 and produce relative displacement longitudinally.When the piston rod of vertical oil cylinder 10 reaches the movement travel of its respective direction, shrink supporting leg 4, slide rail 11 is landed, following vehicle frame 5 has just vertically moved a segment distance.Then, the piston rod that makes vertical oil cylinder 10 is to the reversing sense motion of above-mentioned respective direction, and the piston rod of vertical oil cylinder 10 is returned to the home position, and last vehicle frame 3 has just vertically moved a segment distance.Repeat above-mentioned moving process, this walk type crane is vertically moved step by step.
Referring to Fig. 2, Fig. 3, when this walk type crane will rotate, slide rail 11 is dropped on the ground, then, drive two horizontal oil cylinders 12, the piston rod that makes two horizontal oil cylinders 12 is to different direction motions, and driving down, the slide rail 11 of below, vehicle frame 5 two ends moves to different directions.When slide rail 11 moved, ground can make that under this torque vehicle frame 5 rotates down to torque of vehicle frame 5 generations down in the face of the friction force of slide rail 11, and this walk type crane is just rotated.When the piston rod of two horizontal oil cylinders 12 reaches both movement travels, supporting leg 4 is supported on the ground, and make down vehicle frame 5, slide rail 11 unsettled by extending supporting leg 4, then, the piston rod of two horizontal oil cylinders 12 is moved to reversing sense, the piston rod of two horizontal oil cylinders 12 is returned to the home position, slide rail 11 is landed.Repeat above-mentioned rotation process, this walk type crane is rotated once more.
Referring to Fig. 2, Fig. 3, when this walk type crane is wanted side travel, extend being supported on ground supporting leg 4, make down vehicle frame 5, slide rail 11 unsettled, then, drive two horizontal oil cylinders 12, both piston rods are moved in the same way, consequently produce horizontal relative displacement down between vehicle frame 5 and the slide rail 11.When the piston rod of two horizontal oil cylinders 12 reaches both strokes, shrink supporting leg 4, slide rail 11 is landed, then, the piston rod of two horizontal oil cylinders 12 is moved to reversing sense, the piston rod of two horizontal oil cylinders 12 is returned to the home position, following vehicle frame 5 drive go up vehicle frame 3 with regard to side travel one segment distance.Repeat above-mentioned moving process, can make this walk type crane side travel step by step.
Claims (5)
1, walk type crane, it comprises lifting part (2), lifting part (2) is landed on the vehicle frame (3), the front portion of last vehicle frame (3), the rear portion is equipped with two hold-down arms (8) that stretch to both sides only, the front end of each hold-down arm (8) is provided with supporting leg (4), it also comprises the last vehicle hydraulic system of hoist mechanism in the control lifting part (2), the following vehicle hydraulic system of control hold-down arm (8) and supporting leg (4), the oil pump of last vehicle hydraulic system and following vehicle hydraulic system is driven by the power plant that is located on the vehicle frame (3), it is characterized in that: the below of going up vehicle frame (3) is provided with down vehicle frame (5), have two tracks of vertically arranging (5a) on the following vehicle frame (5), last vehicle frame (3) is supported by two tracks (5a), the equal compartment of terrain, both sides of last vehicle frame (3) sets firmly several link plates (15), roller (16) is housed on the link plate (15), roller (16) is in the depression position of track (5a) sidepiece, vertically the two ends of oil cylinder (10) and last vehicle frame (3) and following vehicle frame (5) are hinged, the two ends of following vehicle frame (5) are by two lateral arrangement and continuous slide rail (11) supporting, the two ends of following vehicle frame (5) all set firmly several link plates (18) that are in slide rail (11) outside, roller (19) is housed on the link plate (18), roller (19) is in the depression position of slide rail (11) sidepiece, the bottom at following vehicle frame (5) two ends is all hinged with an end of a horizontal oil cylinder (12), laterally the other end and the slide rail (11) of oil cylinder (12) are hinged, vertically oil cylinder (10), two horizontal oil cylinders (12) join by change-over valve and following vehicle hydraulic system respectively.
2, walk type crane according to claim 1, it is characterized in that: going up in vehicle hydraulic system and the following vehicle hydraulic system respectively has an oil pump, described power plant is two motors (9), the oil pump in the transmission of two motors (9) difference in vehicle hydraulic system and the following vehicle hydraulic system.
3, walk type crane according to claim 1, it is characterized in that: track (5a) is gone up the compartment of terrain and is furnished with slide block (14), last vehicle frame (3) is landed on the slide block (14), and slide rail (11) is gone up the compartment of terrain and is furnished with slide block (17), and following vehicle frame (5) is landed on the slide block (17).
4, walk type crane according to claim 1, it is characterized in that: vertical oil cylinder (10), the oil inlet of two horizontal oil cylinders (12) and oil outlet all by a two-way hydraulic lock (35) respectively with three six-way transfer valves (26,27,28) two actuator ports join, these three three six-way transfer valves series connection, and three's a return opening joins, another return opening respectively with following vehicle hydraulic system in oil return line (30) join, vertically the oil inlet of oil cylinder (10) three six-way transfer valves (26) that connect joins by the oil discharge outlet of oil pump (22) in check valve (24) and two-position four way change valve (23) and the following vehicle hydraulic system, another actuator port of two-position four way change valve (23) connects delivery conduit (36), another actuator port of one horizontal oil cylinder (12) three six-way transfer valves (28) that connect also joins with the oil inlet of three six-way transfer valves (29), three actuator ports of three six-way transfer valves (29) respectively with delivery conduit (25) and following vehicle hydraulic system in oil inlet and oil return pipeline (34,38) join, two return openings of three six-way transfer valves (29) connect down oil inlet and oil return pipeline (34) and the oil return line (30) in the vehicle hydraulic system respectively.
5, walk type crane according to claim 1, it is characterized in that: go up on the vehicle frame (3) and pile up two groups of supporting box, wherein: each supporting box (6) upside of one group has counterbore (6a), and each supporting box (7) upside of another group has counterbore (7a), downside sets firmly insertion pipe (7b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520085083 CN2827993Y (en) | 2005-07-06 | 2005-07-06 | Walk type crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520085083 CN2827993Y (en) | 2005-07-06 | 2005-07-06 | Walk type crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2827993Y true CN2827993Y (en) | 2006-10-18 |
Family
ID=37079551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520085083 Expired - Fee Related CN2827993Y (en) | 2005-07-06 | 2005-07-06 | Walk type crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2827993Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891611B (en) * | 2005-07-06 | 2010-04-21 | 安徽柳工起重机有限公司 | Walk type crane |
| CN103434934A (en) * | 2013-08-21 | 2013-12-11 | 上海汇益控制系统股份有限公司 | Fan blade set installation and control device for offshore wind power equipment |
| WO2017027985A1 (en) * | 2015-08-19 | 2017-02-23 | 杨一男 | Walking crane |
-
2005
- 2005-07-06 CN CN 200520085083 patent/CN2827993Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1891611B (en) * | 2005-07-06 | 2010-04-21 | 安徽柳工起重机有限公司 | Walk type crane |
| CN103434934A (en) * | 2013-08-21 | 2013-12-11 | 上海汇益控制系统股份有限公司 | Fan blade set installation and control device for offshore wind power equipment |
| WO2017027985A1 (en) * | 2015-08-19 | 2017-02-23 | 杨一男 | Walking crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ANHUI LIUGONG CRANE CO., LTD. Free format text: FORMER NAME: BENGBU CITY ZHENCHONGANLI ENGINEERING MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: No. 217, Daqing Road, Anhui, Bengbu Province, China: 233010 Patentee after: Anhui Liugong Crane Co., Ltd. Address before: No. 217, Daqing Road, Anhui, Bengbu Province, China: 233010 Patentee before: Zhengchong Anli Engineering Machinery Co., Ltd., Bengbu City |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061018 Termination date: 20100706 |