CN112706687A - Transportation tool and transportation system - Google Patents
Transportation tool and transportation system Download PDFInfo
- Publication number
- CN112706687A CN112706687A CN202011643362.4A CN202011643362A CN112706687A CN 112706687 A CN112706687 A CN 112706687A CN 202011643362 A CN202011643362 A CN 202011643362A CN 112706687 A CN112706687 A CN 112706687A
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- China
- Prior art keywords
- flange
- transportation
- guide
- driving piece
- transportation tool
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
- B60P7/135—Securing or supporting by load bracing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The application relates to the technical field of transportation equipment, in particular to a transportation tool and a transportation system, which comprise a tool body, a lifting driving piece and a connecting flange connected to the lifting driving piece; the frock body include with the guide part that the lift driving piece is connected, flange with guide part sliding fit, in order to pass through the lift driving piece drives flange is in along first direction the motion on the guide part, the frock body is used for installing at vehicle chassis's top so that first direction is vertical direction. The utility model provides a transport frock and conveying system can not transport because of the superelevation receives the restriction of highway transportation limit for height when the great wind wheel of present size or wheel hub adopt highway transportation to the aim at.
Description
Technical Field
The application relates to the technical field of transportation equipment, in particular to a transportation tool and a transportation system.
Background
Along with the increase (more than 5 MW) of the single machine capacity of the wind generating set, the diameter of the reference circle of the blade root of the blade reaches more than 3.6m, so that the size of the hub is increased, the wind wheel system is oversize finally, and the wind wheel or the hub cannot be transported due to the limitation of superelevation during road transportation.
Disclosure of Invention
The utility model provides a transport frock and conveying system can not transport because of the superelevation receives the restriction of highway transportation limit for height when the great wind wheel of present size or wheel hub adopt highway transportation to the aim at.
In order to achieve the purpose, the following technical scheme is adopted in the application:
the embodiment of the application provides a transportation tool which comprises a tool body, a lifting driving piece and a connecting flange connected to the lifting driving piece; the frock body include with the guide part that the lift driving piece is connected, flange with guide part sliding fit, in order to pass through the lift driving piece drives flange is in along first direction the motion on the guide part, the frock body is used for installing at vehicle chassis's top so that first direction is vertical direction.
Optionally, the connecting device further comprises two guide blocks mounted on the connecting flange, the guide part comprises two guide rods arranged in parallel, guide grooves in sliding fit with the guide rods are formed in the guide blocks, and the guide blocks are in one-to-one corresponding fit with the guide rods.
The technical scheme has the beneficial effects that: through the one-to-one matching of the two guide rods and the two guide blocks, the connecting flange is not easy to deviate from a path in the movement of the relative guide part, the movement process is not easy to twist, the movement is relatively stable, and then the lifting movement of the wind wheel or the hub is relatively stable.
Optionally, the two guide blocks are located at two opposite ends of the connecting flange in a second direction, the second direction is parallel to the end face of the connecting flange, and the second direction is perpendicular to the first direction.
The technical scheme has the beneficial effects that: the two guide blocks are far away from each other in the second direction, the pivoting trend of the connecting flange in the horizontal plane is greatly limited, the lifting movement stability of the connecting flange is improved, and the lifting stability of the wind wheel or the hub is further improved.
Optionally, there are two lifting driving members, and the two lifting driving members are connected with the two guide blocks in a one-to-one correspondence manner.
The technical scheme has the beneficial effects that: set up the lift driving piece respectively for two guide blocks, can provide sufficient power for flange's lift process, make transportation frock be applicable to the wind wheel or the wheel hub of multiple different weight specifications, improved the suitability of transportation frock.
Optionally, the lifting driving part is an oil cylinder, and the hydraulic station is connected with the oil cylinder to provide hydraulic pressure for the oil cylinder through the hydraulic station.
The technical scheme has the beneficial effects that: the hydraulic station is specially arranged for the oil cylinder serving as the lifting driving piece in the transportation tool, so that the oil cylinder can obtain enough hydraulic power, the connection flange and the wind wheel or the wheel hub can be reliably lifted, the transportation tool is suitable for the wind wheels or the wheel hubs with different weight specifications, and the applicability of the transportation tool is improved.
Optionally, the tool body further comprises a base and a supporting rod, the base is used for being connected with a vehicle chassis, one end of the supporting rod is fixed to the top end of the guide portion, and the other end of the supporting rod is fixed to the end portion, far away from the guide portion, of the base, so that a triangle is enclosed among the base, the supporting rod and the guide portion.
The technical scheme has the beneficial effects that: the base and the supporting rod are connected with the guide portion, so that the overall strength of the transportation tool is improved, the reliability of the transportation tool is further improved, and the transportation of the wind wheel or the wheel hub is safer.
Optionally, there are two support rods, and the two support rods are arranged in parallel.
The technical scheme has the beneficial effects that: set up the intensity that two bracing pieces can further increase the transportation frock.
Optionally, the connecting flange includes a flange plate and a connecting portion, the connecting portion is in sliding fit with the guide portion, and the flange plate is connected with the connecting portion through a rotating shaft, so that the flange plate can pivot relative to the connecting portion in a plane perpendicular to the first direction.
The technical scheme has the beneficial effects that: the flange plate can pivot relative to the connecting part, so that the wind wheel or the hub connected with the flange plate can pivot relative to the connecting part, and the height of the top end of the wind wheel or hub transportation system is adjusted by rotating the wind wheel or the hub.
Optionally, a connecting hole group is formed on the connecting flange, and the connecting hole group comprises a plurality of connecting holes which are arranged on the same circumference; the number of the connecting hole groups is multiple, and the connecting hole groups are arranged in a concentric circle.
The technical scheme has the beneficial effects that: the connecting hole groups of different specifications can be selected by the wind wheels or the hubs of different specifications to be connected with the connecting flange, so that the applicability of the transportation tool is improved, and the applicability of a wind wheel or hub transportation system is further improved.
Another aspect of this application provides a transportation system, includes tractor and the transportation frock that this application embodiment provided, the tractor has the chassis, transportation frock install in the chassis.
The technical scheme provided by the application can achieve the following beneficial effects:
the utility model provides a transportation frock and transportation system can realize flange's lift through the lift driving piece, realizes installing wind wheel or the wheel hub lift on this flange, and then plays the effect of adjusting wind wheel or wheel hub transportation system overall height to make wind wheel or wheel hub transportation system's highly satisfy the transportation requirement of current limit for height.
Additional features of the present application and advantages thereof will be set forth in the description which follows, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It should be apparent that the drawings in the following description are embodiments of the present application and that other drawings may be derived from those drawings by a person of ordinary skill in the art without inventive step.
Fig. 1 is a schematic perspective view of a transportation tool provided in an embodiment of the present application;
fig. 2 is a schematic perspective view of another perspective view of the transportation tool provided in the embodiment of the present application.
Reference numerals:
100-a connecting flange;
110-a set of connection holes;
120-a guide block;
200-a tool body;
210-a lifting drive;
220-a base;
230-a hydraulic station;
240-support rods;
250-guide rod.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all 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 application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1 and fig. 2, an embodiment of the present application provides a transportation tool, which includes a tool body 200, a lifting driving member 210, and a connecting flange 100 connected to the lifting driving member 210; tool body 200 include with the guide part that lift driving piece 210 is connected, flange 100 with guide part sliding fit, in order to pass through lift driving piece 210 drives flange 100 is in along first direction the motion on the guide part, tool body 200 is used for installing at vehicle chassis's top so that first direction is vertical direction.
When the transportation tool provided by the embodiment of the application is used, the tool can be fixed at the top of a vehicle chassis, then the main shaft connecting end of the wind wheel or the wheel hub is fixed on the transportation tool through the connecting flange 100, and the lifting driving piece 210 drives the flange to further drive the wind wheel or the wheel hub to move up and down relative to the tool body 200 and the vehicle chassis; the vehicle chassis can further comprise a front chassis and a rear chassis, the front chassis and the rear chassis are respectively provided with a transportation tool, the connecting flanges 100 of the two transportation tools are arranged oppositely, the two transportation tools are connected through a wind wheel or a hub, the two transportation tools are respectively connected with two main shaft connecting ends of the wind wheel or the hub, specifically, the wind wheel or the hub can be connected with the connecting flange 100 on the front chassis, then the height of the connecting flange 100 on the rear chassis is adjusted, the wind wheel or the hub is connected with the connecting flange 100 on the rear chassis, then the position of the wind wheel or the hub in the vertical direction can be adjusted together through the transportation tool arranged on the front chassis and the transportation tool arranged on the rear chassis, and then the topmost position of the wind wheel or the hub is adjusted.
The utility model provides a transportation frock can realize flange 100's lift through lift driving piece 210, realizes installing wind wheel or the wheel hub lift on this flange 100, and then plays the effect of adjusting wind wheel or wheel hub transportation system overall height to make wind wheel or wheel hub transportation system's highly satisfy the transportation requirement of current limit for height.
Optionally, the transportation frock that this application embodiment provided still includes and installs two guide blocks 120 on flange 100, the guide part includes two guide bars 250 that parallel arrangement each other the guide block 120 is formed with guide bar 250 sliding fit's guide way, guide block 120 with guide bar 250 one-to-one cooperation. Through the one-to-one corresponding matching of the two guide rods 250 and the two guide blocks 120, the connecting flange 100 is not easy to deviate from a path in the movement of the relative guide part, and the twisting is not easy to occur in the movement process, so that the movement is relatively stable, and further, the lifting movement of the wind wheel or the hub is relatively stable. Preferably, the guide rod 250 is vertically arranged, and of course, in some special cases, the guide rod 250 can be inclined relative to the vertical direction; it is also possible to have an even number of guide blocks 120, such as 4, 6 or 8. The guide block 120 is preferably a throw tile.
Optionally, two guide blocks 120 are located at two opposite ends of the connecting flange 100 in a second direction, the second direction is parallel to the end face of the connecting flange 100, and the second direction is perpendicular to the first direction. This makes two guide blocks 120 far apart in the second direction, produces great restriction to the pivot trend that flange 100 produced in the horizontal plane, improves flange 100 lifting movement's stability, and then improves the stability of wind wheel or wheel hub lift process.
Optionally, there are two lifting driving members 210, and the two lifting driving members 210 are connected to the two guide blocks 120 in a one-to-one correspondence manner. Set up lift driving piece 210 respectively for two guide blocks 120, can provide sufficient power for flange 100's lift process, make the transportation frock be applicable to the wind wheel or the wheel hub of multiple different weight specifications, improved the suitability of transportation frock. Of course, the lifting driving member 210 may be only one, or three or four lamps.
Optionally, the transportation frock that this application embodiment provided still includes hydraulic pressure station 230, and lifting drive 210 is the hydro-cylinder, hydraulic pressure station 230 with the hydro-cylinder is connected in order to pass through hydraulic pressure station 230 is for the hydro-cylinder provides hydraulic pressure. The hydraulic station 230 is specially arranged in the transportation tool for the oil cylinder serving as the lifting driving piece 210, so that the oil cylinder can obtain enough hydraulic power, the connection flange 100 and the wind wheel or the wheel hub can be reliably lifted, the transportation tool is suitable for the wind wheels or the wheel hubs with different weight specifications, and the applicability of the transportation tool is improved. Of course, the cylinder as the lifting drive 210 may also share a hydraulic station 230 with other hydraulic equipment; the lifting of the attachment flange 100 relative to the guide portion may also be achieved using a rack and pinion system, or using a conventional system of chains.
Optionally, the tool body 200 further includes a base 220 and a supporting rod 240, the base 220 is used for being connected with a vehicle chassis, one end of the supporting rod 240 is fixed to the top end of the guiding portion, and the other end of the supporting rod 240 is fixed to the end portion, far away from the guiding portion, of the base 220, so that a triangle is defined among the base 220, the supporting rod 240 and the guiding portion. Be connected with the guide part through base 220 and bracing piece 240, improved the holistic intensity of transportation frock, and then improved the reliability of transportation frock, make wind wheel or wheel hub's transportation safer.
Optionally, there are two support rods 240, and the two support rods 240 are arranged in parallel. The strength of the transportation tool can be further increased by arranging the two support rods 240.
Optionally, the connecting flange 100 includes a flange plate and a connecting portion, the connecting portion is in sliding fit with the guiding portion, and the flange plate is connected to the connecting portion through a rotating shaft, so that the flange plate can pivot relative to the connecting portion in a plane perpendicular to the first direction. The flange plate can pivot relative to the connecting part, so that the wind wheel or the hub connected with the flange plate can pivot relative to the connecting part, and the height of the top end of the wind wheel or hub transportation system is adjusted by rotating the wind wheel or the hub. Alternatively, the guide block 120 may be attached to the connecting portion.
Optionally, a connection hole group 110 is formed on the connection flange 100, and the connection hole group 110 includes a plurality of connection holes, each of which is arranged on the same circumference; the number of the connecting hole groups 110 is plural, and the connecting hole groups 110 are arranged concentrically. This makes the wind wheel or the wheel hub of different specifications can select different connecting hole group 110 to be connected with flange 100 to improve the suitability of transportation frock, and then improve the suitability of wind wheel or wheel hub transportation system.
Another aspect of this application provides a transportation system, includes tractor and the transportation frock that this application embodiment provided, the tractor has the chassis, transportation frock install in the chassis.
The transportation system that this application embodiment provided has adopted the transportation frock that this application embodiment provided, can realize flange 100's lift through lift driving piece 210, realizes installing the wind wheel or the wheel hub lift on this flange 100, and then plays the effect of adjusting wind wheel or wheel hub transportation system overall height to make wind wheel or wheel hub transportation system highly satisfy the transportation requirement of current limit for height.
In order to better explain the scheme, the application also provides an application example of the transportation tool and the transportation system.
In the application example of the application, two transportation tools are adopted in the transportation system, the two transportation tools are sequentially installed on the tractor from front to back, the tool body can also be called a front bracket, the lifting driving piece can also be called a lifting oil cylinder, and the connecting flange can also be called a front flange; in the transportation frock that is located the rear, the frock body still can be called the after-poppet, and the lift driving piece still can be called lift cylinder, and flange connection still can be called the back flange, and all bracing pieces can all be called the slide rail.
In the application example of the application, the upper end and the lower end of the hub are respectively connected with the flanges of the front bracket and the rear bracket; the tool is divided into a front support and a rear support, and each support is provided with an independent hydraulic system; the flange is connected with the front and rear supports through the sliding rail, and the lifting of the connecting flange can be adjusted by controlling the lifting of the hydraulic cylinder, so that the adjustment of the hub transportation height is realized; finally, the problem of limited transportation height is solved.
This application example adopts split type support around, and the support divides parts such as base, lifting flange, hydraulic system to constitute. The upper surface and the lower surface of the wheel hub are respectively connected with the lifting flanges of the front support and the rear support, the lifting flanges are connected with the base through sliding rails, a hydraulic oil cylinder is arranged between the base and the lifting flanges, the lifting of the lifting flanges is realized by controlling the lifting of the hydraulic oil cylinder, and finally the problem that the height of road transportation is out of limit can be solved.
The working principle is as follows: the invention relates to a wind wheel and hub transportation tool of a wind generating set, which mainly comprises: the front and back supports are composed of two parts. The front bracket consists of a hydraulic station, a base, a lifting oil cylinder and a front flange; the rear support consists of a hydraulic station, a base, a lifting oil cylinder and a rear flange.
In the use process of the tool, the front support is connected with the main shaft connecting end of the wind wheel or the hub through the connecting hole of the front flange, so that the connecting and fixing effects are achieved on one hand, and the traction effect is achieved on the other hand. The front support can be fixed at the front end of a special transport vehicle through the base, meanwhile, the front support is provided with a vertical upright guide rail, and the front support is provided with a holding tile matched with the front support, so that the front flange can move up and down along the upright guide rail of the base. The front flange is connected with the base through lifting oil cylinders on two sides, the hydraulic station is fixed on the base, and the lifting oil cylinders are connected with the hydraulic station through a hydraulic system.
The rear support is connected with the windward side (front end) of the wind wheel or the hub through a connecting hole of the rear flange, so that the rear support plays a role in connecting and fixing on one hand and plays a role in traction on the other hand. The rear support is fixed at the rear end of the special transport vehicle through the base, the rear support is also provided with a vertical upright post guide rail, and the rear support is provided with a holding tile matched with the rear support, so that the rear flange can move up and down along the upright post guide rail of the base. The rear flange is connected with the base through lifting oil cylinders on two sides, the hydraulic station is fixed on the base, and the lifting oil cylinders are connected with the hydraulic station through a hydraulic system.
The wind wheel or the hub is connected with the front support of the tool, and after the connection is completed, the height of the lifting flange of the rear support is adjusted to be aligned with the connecting hole of the wind wheel or the hub, and then the connection is performed. After the whole connection is finished, the hydraulic systems of the front and rear supports can be locked, the heights of the front and rear connecting flanges of the tool can be synchronously adjusted through the synchronizing device according to needs, and the operation can be realized only by adjusting the lifting oil cylinder. The problem that the wind wheel or the hub of the large megawatt wind turbine cannot be transported on a highway by motor due to the ultrahigh condition can be solved by installing the tool on a special transport vehicle.
The application example has the advantages that the front connecting flange and the rear connecting flange are composed of a plurality of circles of hole sites with different specifications and models, and the front connecting flange and the rear connecting flange are suitable for hubs with various specifications; the front and rear supports are respectively controlled by independent hydraulic systems to lift the connecting flange, and can be synchronously controlled in a combined mode, so that synchronous lifting of the front and rear flanges is achieved.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The transportation tool is characterized by comprising a tool body, a lifting driving piece and a connecting flange connected to the lifting driving piece; the frock body include with the guide part that the lift driving piece is connected, flange with guide part sliding fit, in order to pass through the lift driving piece drives flange is in along first direction the motion on the guide part, the frock body is used for installing at vehicle chassis's top so that first direction is vertical direction.
2. The transportation tool according to claim 1, further comprising two guide blocks mounted on the connecting flange, wherein the guide portion comprises two guide rods arranged in parallel, guide grooves in sliding fit with the guide rods are formed in the guide blocks, and the guide blocks are in one-to-one corresponding fit with the guide rods.
3. The transportation tooling of claim 2, wherein the two guide blocks are located at opposite ends of the connecting flange in a second direction, the second direction is parallel to the end face of the connecting flange, and the second direction is perpendicular to the first direction.
4. The transportation tool according to claim 2, wherein the number of the lifting driving members is two, and the two lifting driving members are connected with the two guide blocks in a one-to-one correspondence manner.
5. The transportation tool of claim 1, further comprising a hydraulic station, wherein the lifting drive member is an oil cylinder, and the hydraulic station is connected with the oil cylinder to provide hydraulic pressure for the oil cylinder through the hydraulic station.
6. The transportation tool according to claim 1, wherein the tool body further comprises a base and a support rod, the base is used for being connected with a vehicle chassis, one end of the support rod is fixed to the top end of the guide portion, and the other end of the support rod is fixed to the end portion, far away from the guide portion, of the base, so that a triangle is defined among the base, the support rod and the guide portion.
7. The transportation tool of claim 6, wherein the number of the support rods is two, and the two support rods are arranged in parallel.
8. The transportation tool according to claim 1, wherein the connecting flange comprises a flange plate and a connecting portion, the connecting portion is in sliding fit with the guide portion, and the flange plate is connected with the connecting portion through a rotating shaft, so that the flange plate can pivot relative to the connecting portion in a plane perpendicular to the first direction.
9. The transportation tool according to any one of claims 1 to 8, wherein a connecting hole group is formed on the connecting flange, the connecting hole group comprises a plurality of connecting holes, and the connecting holes are arranged on the same circumference; the number of the connecting hole groups is multiple, and the connecting hole groups are arranged in a concentric circle.
10. Transport system, characterized in that it comprises a tractor having a chassis and a transport assembly according to any of claims 1-9, which transport assembly is mounted to the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011643362.4A CN112706687B (en) | 2020-12-30 | 2020-12-30 | Transportation tool and transportation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011643362.4A CN112706687B (en) | 2020-12-30 | 2020-12-30 | Transportation tool and transportation system |
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| Publication Number | Publication Date |
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| CN112706687A true CN112706687A (en) | 2021-04-27 |
| CN112706687B CN112706687B (en) | 2022-06-03 |
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| CN202011643362.4A Active CN112706687B (en) | 2020-12-30 | 2020-12-30 | Transportation tool and transportation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117419008A (en) * | 2023-12-18 | 2024-01-19 | 东北电力大学 | Retired blade fixing equipment for multi-scene recycling |
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| CN111717107A (en) * | 2020-06-17 | 2020-09-29 | 北京航天和兴科技有限公司 | Universal transshipment transportation frame vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117419008A (en) * | 2023-12-18 | 2024-01-19 | 东北电力大学 | Retired blade fixing equipment for multi-scene recycling |
| CN117419008B (en) * | 2023-12-18 | 2024-03-12 | 东北电力大学 | Retired blade fixing equipment for multi-scene recycling |
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| CN112706687B (en) | 2022-06-03 |
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