CN110803636A - Wind power crane with multistage oil cylinder turnover mechanism - Google Patents
Wind power crane with multistage oil cylinder turnover mechanism Download PDFInfo
- Publication number
- CN110803636A CN110803636A CN201911197673.XA CN201911197673A CN110803636A CN 110803636 A CN110803636 A CN 110803636A CN 201911197673 A CN201911197673 A CN 201911197673A CN 110803636 A CN110803636 A CN 110803636A
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- Prior art keywords
- oil cylinder
- crane
- rod
- end surface
- suspension arm
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a wind power crane with a multistage oil cylinder turnover mechanism, which comprises a crane, wherein the upper end of the crane is provided with a supporting and rotating mechanical rod, the surface of the right end of the supporting and rotating mechanical rod is provided with a machine block, the surface of the right end of the machine block is provided with a rotating body, the surface of the upper end of the supporting and rotating mechanical rod, which is close to the right side, is provided with a boosting oil cylinder, and the surface of the upper end of the boosting oil cylinder is provided with a folding suspension arm. The invention can effectively realize the autonomous overturning function of the crane, does not need the assistance of an auxiliary crane, reduces the workload of lifting operation, brings convenience to workers, realizes the stable unfolding of the folding suspension arm, prepares for the lifting operation of the following objects, ensures the normal operation of the crane, realizes the stable folding and unfolding and the support of the folding suspension arm, and effectively realizes the quick folding of the folding suspension arm.
Description
Technical Field
The invention relates to the technical field of wind power cranes, in particular to a wind power crane with a multistage oil cylinder turnover mechanism.
Background
The multistage oil cylinder adopted by the wind power crane has the characteristics that the working stroke can be very long, and the multistage oil cylinder can be shortened to be shorter when not working; the telescopic arm is suitable for occasions with long stroke requirements due to limited installation space, such as telescopic arms of dump trucks and cranes; when the telescopic hydraulic cylinder extends out step by step, the effective working area is gradually reduced; when the flow of the transfused person is not changed, the extending speed is gradually increased; when the external load is not changed, the working pressure of the hydraulic cylinder is gradually increased; therefore, the device is used for the occasion of cylinder body inclination or vertical rotation.
Wind power cranes in the market mostly do not have a main overturning function, need the assistance of an auxiliary crane, and have the disadvantages of complex lifting workload, large lifting workload of workers, unstable unfolding of a folding suspension arm, incapability of preparing for the lifting work of the next object, easy error in operation of a crane, incapability of stably folding and unfolding and supporting the folding suspension arm and incapability of realizing the rapid folding and unfolding of the folding suspension arm.
Disclosure of Invention
The invention aims to: the wind power crane with the multistage oil cylinder overturning mechanism is provided for solving the problems that wind power cranes in the market mostly do not have a main overturning function, an auxiliary crane is needed, the workload of hoisting operation is complex, the workload of workers is large, the unfolding of a folding suspension arm is not stable, the preparation can not be made for the next object hoisting operation, the operation of a crane is easy to make mistakes, the folding suspension arm can not be stably folded and unfolded and supported, and the folding suspension arm can not be folded and folded quickly.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wind power crane with a multistage oil cylinder turnover mechanism comprises a crane, wherein a supporting and rotating mechanical rod is arranged at the upper end of the crane, a body block is mounted on the surface of the right end of the supporting and rotating mechanical rod, a rotating body is mounted on the surface of the right end of the body block, a boosting oil cylinder is mounted on the upper end surface of the supporting and rotating mechanical rod close to the right side, a folding suspension arm is arranged on the upper end surface of the boosting oil cylinder, a slip ring column is arranged on the lower end surface of the folding suspension arm close to the middle position, a slip shaft is arranged inside the slip ring column, a wheel ring is arranged at the left end of the slip shaft, a rigid rotating wheel is arranged on the lower end surface of the folding suspension arm close to the left end, a matching shaft body is arranged on the lower end surface of the rotating body, a steel ball is arranged between the matching shaft body and the rotating body, a support stand is arranged on the lower end surface of the, the left end surface of boosting hydro-cylinder is provided with and connects the ring, the right-hand member surface of boosting hydro-cylinder is provided with a vaulting pole post, the surface of boosting hydro-cylinder is close to the right-hand member and is provided with defeated oil pipe, be provided with the assistance to the surperficial intermediate position that connects the ring and draw the hydro-cylinder, the assistance is drawn the right-hand member surface of hydro-cylinder and is provided with No. two vaulting pole posts, the upper end surface that props the mechanical lever of commentaries on classics is close to the right side and is provided with the butt joint ring post, the left end surface that assists the hydro-cylinder of drawing is provided with the push pedal, the left.
As a further description of the above technical solution:
the upper end surface of the lifting machine is provided with a main power machine body, a support rod column is arranged on the upper end surface of the main power machine body close to the left end, and a middle support rod is arranged on the upper end surface of the lifting machine close to the right end.
As a further description of the above technical solution:
the left lower end of the supporting and rotating mechanical rod is provided with a cylindrical support body, the right lower end of the supporting and rotating mechanical rod is provided with a middle-end support body, the supporting rod column is matched with the cylindrical support body, the middle-end support body corresponds to the middle-end supporting rod, and the middle-end supporting rod, the supporting rod column, the main power machine body and the lifting machine jointly form a retracting mechanism.
As a further description of the above technical solution:
annular spout and limit piece have all been seted up in cooperation axis body and the rotator, and the support pallet cooperates and props commentaries on classics mechanical pole movable mounting through cooperation axis body, rotator and head rod.
As a further description of the above technical solution:
the boosting oil cylinder is fixedly installed with the supporting mechanical rod through matching of a butt joint ring and a rod shaft.
As a further description of the above technical solution:
the oil delivery pipe penetrates through the assembly block and is fixedly arranged with the auxiliary pull oil cylinder, the second support rod column is matched with the butt joint ring column, the push plate and the external body block are arranged in parallel, and the first support rod column is movably installed with the folding suspension arm through the connecting plate.
As a further description of the above technical solution:
the inside of the slip ring column is provided with a slip groove ring, the slip shaft is matched with the slip groove ring, the slip ring column is fixedly arranged with the folding suspension arm, the wheel ring is movably arranged with the supporting and rotating mechanical rod, and the slip ring column, the slip shaft, the connecting rod and the wheel ring form a sliding mechanism together.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention is provided with a matching shaft body, a steel ball and a rotating body, the steel ball is fixedly arranged with the rotating body through a main connecting rod, the steel ball is arranged in an annular chute between the rotating body and the matching shaft body, a matching side block limits the position of the steel ball, then a mechanical rod is rotationally supported by the power provided by a machine body block, and a boosting oil cylinder and a wheel ring are movably connected with a folding suspension arm, so that the folding suspension arm is driven to realize self-overturning, the self-overturning function of the crane is effectively realized, the auxiliary of an auxiliary crane is not needed, the workload of the hoisting operation is reduced, and convenience is brought to workers.
2. When the foldable suspension arm on the lifting machine is unfolded, the boosting oil cylinder is started firstly, the butt joint ring props against the supporting and rotating mechanical rod, the lower end of the foldable suspension arm is propped against by the first support rod column, the middle end of the foldable suspension arm is propped up by the sliding mechanism, then the auxiliary pulling oil cylinder is started, the second support rod column is matched with the butt joint ring column to prop against the right end of the supporting and rotating mechanical rod, and the push plate is matched with the external body block to provide boosting force for the boosting oil cylinder, so that the foldable suspension arm is stably unfolded, preparation is made for the next object lifting work, and the normal operation of the lifting machine is ensured.
3. The folding suspension arm folding device is provided with a folding and unfolding mechanism, wherein the folding and unfolding mechanism is composed of a middle-end support rod, a support rod column, a main power machine body and a lifting machine, the folding suspension arm is slowly pulled back by starting a boosting oil cylinder and an auxiliary pulling oil cylinder, the support rod column is matched with a cylindrical support body, the middle-end support body is matched with the middle-end support rod, stable folding and unfolding and supporting of the folding suspension arm are realized together, and quick folding and unfolding of the folding suspension arm are effectively realized.
Drawings
FIG. 1 is a schematic structural diagram of a crane of a wind power crane with a multistage oil cylinder turnover mechanism provided by the invention;
FIG. 2 is a schematic structural diagram of a rotating body of a wind power crane of a multistage oil cylinder turnover mechanism provided by the invention;
fig. 3 is a schematic structural diagram of a boosting oil cylinder of a wind power crane of the multistage oil cylinder turnover mechanism provided by the invention.
Illustration of the drawings:
1. hoisting a crane; 2. supporting and rotating the mechanical rod; 3. a body block; 4. a rotating body; 5. a boosting oil cylinder; 6. folding the suspension arm; 7. a slip ring post; 8. a slide shaft; 9. a wheel ring; 10. a rigid rotating wheel; 11. a mating shaft body; 12. steel ball balls; 13. a support stand; 14. assembling blocks; 15. aligning the joint rings; 16. a strut post; 17. an oil delivery pipe; 18. auxiliary pull oil cylinders; 181. a second strut post; 182. butting ring columns; 183. pushing the plate; 184. an external body block; 19. the pull rod is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a wind power crane with a multistage oil cylinder turnover mechanism comprises a crane 1, wherein a supporting and rotating mechanical rod 2 is arranged at the upper end of the crane 1, a body block 3 is arranged on the surface of the right end of the supporting and rotating mechanical rod 2, a rotating body 4 is arranged on the surface of the right end of the body block 3, a boosting oil cylinder 5 is arranged on the surface of the upper end of the supporting and rotating mechanical rod 2 close to the right side, a folding suspension arm 6 is arranged on the surface of the upper end of the boosting oil cylinder 5, a slip ring column 7 is arranged on the surface of the lower end of the folding suspension arm 6 close to the middle position, a slip shaft 8 is arranged inside the slip ring column 7, a wheel ring 9 is arranged at the left end of the slip shaft 8, a rigid rotating wheel 10 is arranged on the surface of the lower end of the folding suspension arm 6 close to the left end, a matching shaft body 11 is arranged on the surface of the lower end of the rotating body 4, a steel ball 12 is arranged between the, the left end surface of the boosting oil cylinder 5 is provided with a butt joint ring 15, the right end surface of the boosting oil cylinder 5 is provided with a first support rod column 16, the surface of the boosting oil cylinder 5 close to the right end is provided with an oil conveying pipe 17, the middle position of the surface of the butt joint ring 15 is provided with an auxiliary pulling oil cylinder 18, the right end surface of the auxiliary pulling oil cylinder 18 is provided with a second support rod column 181, the upper end surface of the supporting and rotating mechanical rod 2 close to the right side is provided with a butt joint ring column 182, the left end surface of the auxiliary pulling oil cylinder 18 is provided with a push plate 183, the left end of the push plate 183 is provided with an external body block 184, the left end of the external body block 184 is provided with a rotating and pulling rod 19, the boosting oil cylinder 5 can be started firstly, the butt joint ring 15 props the rotating mechanical rod 2, the lower end of the folding suspension arm 6 is jacked up by the first support rod column 16, the middle end of the folding suspension arm 6 is jacked up by the sliding, the second brace rod column 181 and the butt joint ring column 182 are matched to prop against the right end of the supporting and rotating mechanical rod 2, and then a push plate 183 is matched with an external body block 184 to provide boosting force for the boosting oil cylinder 5, so that the folding suspension arm 6 is stably unfolded.
Specifically, as shown in fig. 1, the upper end surface of the crane 1 is provided with a main power machine body, a strut rod column is provided near the left end of the upper end surface of the main power machine body, and a middle strut rod is provided near the right end of the upper end surface of the crane 1.
Specifically, as shown in fig. 1, a cylindrical support body is arranged at the left lower end of the rotating mechanical rod 2, a middle support body is arranged at the right lower end of the rotating mechanical rod 2, a strut post is matched with the cylindrical support body, the middle support body corresponds to the middle support body, the middle support rod, the strut post, the main power machine body and the lifting machine 1 jointly form a retraction mechanism, the foldable boom 6 is slowly pulled back by starting the boosting oil cylinder 5 and the auxiliary pulling oil cylinder 18, and then the middle support body is matched with the cylindrical support body, the middle support body is matched with the middle support rod, and stable retraction and support of the foldable boom 6 are jointly realized.
Specifically, as shown in fig. 2, an annular chute and a side block are provided in the matching shaft 11 and the rotating body 4, and the support frame 13 is movably mounted on the rotating mechanical rod 2 through the matching shaft 11, the rotating body 4 and the main connecting rod.
Specifically, as shown in fig. 2-3, the inside of the support stand 13 is provided with a cross steel set, the lower end edge of the support stand 13 is provided with a plurality of sets of gripping arms, the gripping arms are hinged to the support stand 13 through a wheel shaft, the boosting oil cylinder 5 is fixedly mounted on the supporting mechanical rod 2 through the matching of the joint ring 15 and the rod shaft, and the cross steel set forms a stable triangular structure, so that the overall stabilizing function of the support stand 13 is remarkably improved.
Specifically, as shown in fig. 3, the oil delivery pipe 17 is fixedly arranged with the auxiliary pull cylinder 18 through the mounting block 14, the second strut column 181 is matched with the butt-joint ring column 182, the push plate 183 is arranged in parallel with the external body block 184, and the first strut column 16 is movably mounted with the folding boom 6 through the connecting plate.
Specifically, as shown in fig. 1, a sliding groove ring is arranged inside a sliding ring column 7, a sliding shaft 8 is matched with the sliding groove ring, the sliding ring column 7 is fixedly arranged with a folding suspension arm 6, a wheel ring 9 is movably arranged with a supporting and rotating mechanical rod 2, the sliding ring column 7, the sliding shaft 8, a connecting rod and the wheel ring 9 jointly form a sliding mechanism, a main connecting rod and a rotator 4 are fixedly arranged, a steel ball 12 is arranged in an annular sliding groove between the rotator 4 and a matching shaft body 11, a matching edge block limits the position of the steel ball 12, and then the machine body block 3 provides power to rotate the supporting and rotating mechanical rod 2, so that the folding suspension arm 6 is driven to realize self-overturning.
The working principle is as follows: when the automatic overturning device is used, firstly, the main connecting rod and the rotator 4 are fixedly installed through the arrangement of the matching shaft body 11, the steel ball 12 and the rotator 4, the steel ball 12 is arranged in the annular sliding groove between the rotator 4 and the matching shaft body 11, the matching side block limits the position of the steel ball 12, then the machine body block 3 provides power, and through the arrangement, the oil conveying pipe 17 respectively provides power for the boosting oil cylinder 5 and the auxiliary pulling oil cylinder 18 to rotate the supporting and rotating mechanical rod 2, and the boosting oil cylinder 5 and the wheel ring 9 are movably connected with the folding suspension arm 6, so that the folding suspension arm 6 is driven to realize automatic overturning, the automatic overturning function of the lifting machine 1 is effectively realized, the assistance of an auxiliary crane is not needed, the workload of lifting operation is reduced, and convenience is brought to workers; by arranging the boosting oil cylinder 5 and the auxiliary pulling oil cylinder 18, when the folding suspension arm 6 on the lifting machine 1 is unfolded, the boosting oil cylinder 5 can be started firstly, the butt joint ring 15 props against the rotary supporting mechanical rod 2, the lower end of the folding suspension arm 6 is propped up by the first support rod column 16, wherein the slip ring column 7, the sliding shaft 8, the connecting rod and the wheel ring 9 form a sliding mechanism together, the sliding mechanism props up the middle end of the folding suspension arm 6, then the auxiliary pulling oil cylinder 18 is started, the second support rod column 181 is matched with the butt joint ring column 182 to prop against the right end of the rotary supporting mechanical rod 2, and the push plate 183 is matched with the external block 184 to provide boosting force for the boosting oil cylinder 5, so that the stable unfolding of the folding suspension arm 6 is realized, the preparation is made for the lifting work of the next object, and the normal operation of the lifting machine 1 is ensured; finally, a retraction mechanism is arranged, wherein the retraction mechanism is composed of a middle-end support rod, a support rod column, a main power machine body and the lifting machine 1, the foldable suspension arm 6 is slowly pulled back by starting the boosting oil cylinder 5 and the auxiliary pulling oil cylinder 18, the support rod column is matched with the cylindrical support body, the middle-end support body is matched with the middle-end support rod, stable retraction and support of the foldable suspension arm 6 are realized together, and quick folding of the foldable suspension arm 6 is effectively realized, wherein a rigid rotating wheel 10 can be stably stacked at the upper end of the supporting and rotating mechanical rod 2, the foldable suspension arm 6 is stably supported, and a crossed steel group forms a stable triangular structure, so that the overall stable function of the support body stand 13 is obviously improved, and the wind power crane with multi-stage oil cylinders and overturning functions is realized by integrating the arrangement of the boosting oil cylinder 5, the auxiliary pulling oil cylinder 18 and the sliding mechanism of the lifting machine 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The wind power crane with the multistage oil cylinder turnover mechanism comprises a crane (1) and is characterized in that a supporting and rotating mechanical rod (2) is arranged at the upper end of the crane (1), a motor block (3) is installed on the surface of the right end of the supporting and rotating mechanical rod (2), a rotator (4) is installed on the surface of the right end of the motor block (3), a boosting oil cylinder (5) is installed on the upper end surface of the supporting and rotating mechanical rod (2) close to the right side, a folding suspension arm (6) is arranged on the upper end surface of the boosting oil cylinder (5), a slip ring column (7) is arranged on the lower end surface of the folding suspension arm (6) close to the middle position, a slip shaft (8) is arranged inside the slip ring column (7), a wheel ring (9) is arranged at the left end of the slip shaft (8), a rigid rotating wheel (10) is arranged on the lower end surface of the folding suspension arm (6) close, the lower end surface of the rotating body (4) is provided with a matching shaft body (11), a steel ball (12) is arranged between the matching shaft body (11) and the rotating body (4), the lower end surface of the matching shaft body (11) is provided with a support stand (13), the surface middle position of the boosting oil cylinder (5) is provided with a loading block (14), the left end surface of the boosting oil cylinder (5) is provided with a butt joint ring (15), the right end surface of the boosting oil cylinder (5) is provided with a first support rod column (16), the surface of the boosting oil cylinder (5) close to the right end is provided with an oil conveying pipe (17), the surface middle position of the butt joint ring (15) is provided with a secondary pulling oil cylinder (18), the right end surface of the secondary pulling oil cylinder (18) is provided with a second support rod column (181), the upper end surface of the supporting mechanical rod (2) close to the right side is provided with a butt joint ring column (, the left end surface of the auxiliary pull oil cylinder (18) is provided with a push plate (183), the left end of the push plate (183) is provided with an external block (184), and the left end of the external block (184) is provided with a rotating pull rod (19).
2. The wind power crane with the multi-stage oil cylinder turnover mechanism as claimed in claim 1, wherein the upper end surface of the crane (1) is provided with a main power machine body, the upper end surface of the main power machine body is provided with a strut near the left end, and the upper end surface of the crane (1) is provided with a middle strut near the right end.
3. The wind power crane with the multi-stage oil cylinder turnover mechanism as claimed in claim 1, wherein the left lower end of the rotating mechanical rod (2) is provided with a cylindrical support body, the right lower end of the rotating mechanical rod (2) is provided with a middle support body, the strut post is matched with the cylindrical support body, the middle support body corresponds to the middle strut rod, and the middle strut rod, the strut post, the main power machine body and the lifting machine (1) together form a retraction mechanism.
4. The wind power crane with the multi-stage oil cylinder turnover mechanism as claimed in claim 1, wherein the matching shaft body (11) and the rotating body (4) are both provided with an annular chute and an edge block, and the support stand (13) is movably mounted with the supporting mechanical rod (2) through matching with the matching shaft body (11), the rotating body (4) and the main connecting rod.
5. The wind power crane with the multi-stage oil cylinder overturning mechanism is characterized in that a cross steel set is arranged inside the support stand (13), a plurality of sets of grabbing arms are arranged on the edge of the lower end of the support stand (13), the grabbing arms are hinged to the support stand (13) through wheel shafts, and the boosting oil cylinder (5) is fixedly mounted with the supporting and rotating mechanical rod (2) through a butt joint ring (15) and a rod shaft in a matched mode.
6. The wind power crane with the multistage oil cylinder turnover mechanism is characterized in that an oil conveying pipe (17) penetrates through a mounting block (14) and is fixedly arranged with an auxiliary pull oil cylinder (18), a second strut column (181) is matched with a butt joint ring column (182), a push plate (183) and an external body block (184) are arranged in parallel, and a first strut column (16) is movably mounted with a folding suspension arm (6) through a connecting plate.
7. The wind power crane with the multistage oil cylinder turnover mechanism is characterized in that a sliding groove ring is arranged inside a sliding ring column (7), a sliding shaft (8) is matched with the sliding groove ring, the sliding ring column (7) is fixedly arranged with a folding suspension arm (6), a wheel ring (9) and a supporting and rotating mechanical rod (2) are movably arranged, and the sliding ring column (7), the sliding shaft (8), a connecting rod and the wheel ring (9) jointly form a sliding mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911197673.XA CN110803636A (en) | 2019-11-29 | 2019-11-29 | Wind power crane with multistage oil cylinder turnover mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911197673.XA CN110803636A (en) | 2019-11-29 | 2019-11-29 | Wind power crane with multistage oil cylinder turnover mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110803636A true CN110803636A (en) | 2020-02-18 |
Family
ID=69492085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911197673.XA Pending CN110803636A (en) | 2019-11-29 | 2019-11-29 | Wind power crane with multistage oil cylinder turnover mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110803636A (en) |
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2019
- 2019-11-29 CN CN201911197673.XA patent/CN110803636A/en active Pending
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