CN113582009B - Hoisting device - Google Patents
Hoisting device Download PDFInfo
- Publication number
- CN113582009B CN113582009B CN202110886265.6A CN202110886265A CN113582009B CN 113582009 B CN113582009 B CN 113582009B CN 202110886265 A CN202110886265 A CN 202110886265A CN 113582009 B CN113582009 B CN 113582009B
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- Prior art keywords
- sub
- frame
- workpiece
- hoisting
- connecting plate
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- 230000005484 gravity Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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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
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a hoisting device, which comprises: the hoisting support comprises a first sub-frame and a second sub-frame, the first end of the first sub-frame is fixedly connected with the first end of the second sub-frame, the length directions of the first sub-frame and the second sub-frame extend along a straight line, an included angle between the extending directions of the first sub-frame and the second sub-frame is larger than zero, and a hoisting hole is formed in the first sub-frame; the counterweight module is fixedly connected with the second end of the first sub-frame, and the weight of the counterweight module is adjustable; the workpiece fixing assembly is connected with the second end of the second sub-frame and used for fixing and positioning a workpiece to be hoisted. The structural design of the lifting device can effectively reduce the time consumption of lifting the workpiece to the lower side of the shielding object, and improves the assembly efficiency.
Description
Technical Field
The invention relates to the technical field of hoisting, in particular to a hoisting device.
Background
In the production process of modern large-scale engineering machinery products, the weight and the outline size of some parts are relatively large, and the assembly position is too high and the structure is complex. In the assembly process, the workpiece 01 can be effectively assembled only in a hoisting mode. However, in the hoisting process, the situation that interference objects exist to shield the lifting rope when the workpiece 01 is hoisted is frequently encountered. As shown in fig. 1-2, under the working condition, a proper hanging point is generally selected to be found below the shielding object 02, and then a plurality of groups of guide chains are used for carrying out hanging movement and posture adjustment on the workpiece 01 at the same time, but the hanging scheme has huge safety risk, long time consumption and low assembly efficiency.
Disclosure of Invention
Therefore, the invention aims to provide a lifting device, which has the structural design that the time consumption for lifting a workpiece to the lower side of a shielding object can be effectively reduced, and the assembly efficiency is improved.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a lifting device, comprising:
the hoisting support comprises a first sub-frame and a second sub-frame, the first end of the first sub-frame is fixedly connected with the first end of the second sub-frame, the length directions of the first sub-frame and the second sub-frame extend along a straight line, an included angle between the extending directions of the first sub-frame and the second sub-frame is larger than zero, and a hoisting hole is formed in the first sub-frame;
the counterweight module is fixedly connected with the second end of the first sub-frame, and the weight of the counterweight module is adjustable;
the workpiece fixing assembly is connected with the second end of the second sub-frame and used for fixing and positioning a workpiece to be hoisted.
Preferably, in the lifting device, the extending directions of the first sub-frame and the second sub-frame are perpendicular to each other.
Preferably, in the above lifting device, the number of the lifting holes is plural, and the plural lifting holes are sequentially arranged along the length direction of the first sub-frame.
Preferably, in the above lifting device, the first sub-frame is provided with a lifting member in a sliding manner, the lifting member can slide along the length direction of the first sub-frame and can be fixedly connected with the first sub-frame after sliding to a set position, and the lifting hole is formed in the lifting member.
Preferably, in the hoisting device, one end of the counterweight module is fixedly connected with the second end of the first sub-frame through a bolt;
the other end of the counterweight module is provided with two opposite supporting plates, and the number of the counterweights between the supporting plates can be adjusted.
Preferably, in the above lifting device, the workpiece fixing assembly includes a connection plate rotationally connected with the second bracket, a limiting member for locking the connection plate, and a plurality of hauling bars fixedly connected with the connection plate, and a space for accommodating the workpiece is formed between the plurality of hauling bars.
Preferably, in the lifting device, the limiting piece is a jackscrew in threaded fit with the second bracket, and the jackscrew can be tightly propped against the connecting plate or inserted into a limiting hole of the connecting plate.
Preferably, in the lifting device, a plurality of baffles are fixedly arranged on the side wall of the towing bar along the circumferential direction.
Preferably, in the lifting device, the workpiece fixing assembly further comprises a top rod in threaded connection with the baffle, and the top rod can tightly prop up workpieces located among the plurality of towing bars.
Preferably, in the lifting device, the connecting plate is connected with the second sub frame through a bearing, and a rotating handle is further fixed on the connecting plate.
When the lifting device provided by the embodiment is applied, the workpiece can be lifted by using the cushion block 6. The weight balancing module is fixedly connected with the second end of the first sub-frame, and the weight of the weight balancing module is adjusted so that the gravity center of the hoisting device and the gravity center of the lifting rope are located on the same plumb line. The workpiece fixing assembly is connected with the second end of the second sub frame. When the workpiece fixing assembly is connected with the second end of the second sub-frame, the orientation of the workpiece is required to be adjusted so that the workpiece is convenient to be opposite to the position to be assembled after being lifted, and the gravity center of the workpiece and the gravity center of the lifting device are located on the same plumb line. The workpiece connected with the workpiece fixing assembly and the first sub-frame are positioned on the same side of the second sub-frame. Then, lifting the workpiece, and directly driving the workpiece to extend into the lower side of the shielding object by the second sub-frame of the lifting support, and assembling the workpiece after the workpiece enters an assembly area.
According to the lifting device, when the lifting device is used, the second sub-frame of the lifting support can directly drive the workpiece to extend into the lower side of the shielding object, and after the workpiece enters the assembly area, the workpiece is assembled. Compared with the prior art, the assembly machine is more time-saving and labor-saving, and improves the assembly efficiency.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a prior art method for lifting a workpiece with a shield;
FIG. 2 is another schematic diagram of a prior art lifting of a workpiece with a shroud;
fig. 3 is a schematic structural diagram of a hoisting device according to an embodiment of the present invention;
fig. 4 is an exploded view of a hoisting device according to an embodiment of the present invention;
FIG. 5 is a process diagram of the assembly of a lifting device and a workpiece according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a lifting device and workpiece assembly according to an embodiment of the present invention;
fig. 7 is an assembly schematic diagram of a hoisting device according to an embodiment of the present invention;
fig. 8 is a schematic diagram of workpiece installation according to an embodiment of the present invention.
In fig. 1-2:
01-workpiece, 02-shielding object;
in fig. 3-8:
1-lifting support, 1 a-first sub-frame, 1 b-second sub-frame, 2-counterweight module, 2 a-supporting plate, 3-workpiece fixing component, 3 a-rotating handle, 3 b-connecting plate, 3 c-towing bar, 3 d-baffle, 3 e-jackscrew, 4-workpiece, 5-shelter and 6-cushion block.
Detailed Description
The invention aims to provide a lifting device, and the structural design of the lifting device can effectively reduce the time consumption of lifting a workpiece to the lower side of a shielding object and improve the assembly efficiency.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left" and "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the positions or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 3-8, the lifting device provided by the invention can be used for lifting a workpiece 4 to the lower side of a shielding object 5. The lifting device provided by the invention comprises a lifting bracket 1, a counterweight module 2 and a workpiece fixing assembly 3.
The hoisting support 1 comprises a first sub-frame 1a and a second sub-frame 1b, wherein the first end of the first sub-frame 1a is fixedly connected with the first end of the second sub-frame 1b, and the length directions of the first sub-frame 1a and the second sub-frame 1b extend along a straight line. Namely, the first sub-frame 1a and the second sub-frame 1b are both straight as a whole. The angle between the extending directions of the first sub-frame 1a and the second sub-frame 1b is larger than zero. The first sub-frame 1a and the second sub-frame 1b each extend along a straight line, and the angle between the center line of the first sub-frame 1a and the center line of the second sub-frame 1b is greater than zero, preferably the angle between the center line of the first sub-frame 1a and the center line of the second sub-frame 1b is greater than 45 °.
The first sub-frame 1a is provided with a lifting hole, and the lifting hook can be directly hooked in the lifting hole of the first sub-frame 1 a.
The counterweight module 2 is fixedly connected with the second end of the first sub-frame 1a, and the weight of the counterweight module 2 is adjustable. The counterweight module 2 is detachably and fixedly connected with the second end of the first sub-frame 1 a.
The workpiece fixing component 3 is connected with the second end of the second sub-frame 1b, and the workpiece fixing component 3 is used for fixing and positioning the workpiece 4 to be hoisted. The workpiece fixing assembly 3 is detachably connected to the second end of the second sub frame 1 b. The workpiece fixing assembly 3 and the second end of the second sub frame 1b can be fixedly connected or rotatably connected.
When the lifting device provided by the embodiment is applied, the workpiece 4 can be lifted up by using the cushion block. The weight module 2 is fixedly connected with the second end of the first sub-frame 1a, and the weight of the weight module 2 is adjusted so that the gravity center of the hoisting device and the gravity center of the lifting rope are positioned on the same plumb line. The workpiece fixing assembly 3 is connected to the second end of the second sub-frame 1 b. When the workpiece fixing assembly 3 is connected to the second end of the second sub-frame 1b, the orientation of the workpiece 4 needs to be adjusted so that the workpiece 4 is convenient to be opposite to the position to be assembled after being lifted, and the center of gravity of the workpiece 4 and the center of gravity of the lifting device are located on the same plumb line. The workpiece 4 connected to the workpiece fixing assembly 3 and the first sub-frame 1a are located on the same side of the second sub-frame 1 b. Then, the workpiece 4 is lifted, the second sub-frame 1b of the lifting support 1 can directly drive the workpiece 4 to extend into the lower side of the shielding object 5, and after the workpiece 4 enters an assembly area, the workpiece 4 is assembled.
From the above, when the lifting device provided by the invention is used, the second sub-frame 1b of the lifting support 1 can directly drive the workpiece 4 to extend into the lower side of the shielding object 5, and the workpiece 4 can be assembled after the workpiece 4 enters the assembly area. Compared with the prior art, the assembly machine is more time-saving and labor-saving, improves the assembly efficiency and reduces the production cost.
In one embodiment, the extending directions of the first sub-frame 1a and the second sub-frame 1b are perpendicular to each other. In other words, the center line of the first sub frame 1a and the center line of the second sub frame 1b are perpendicular to each other. The lifting support 1 is an L-shaped support, so that balance is kept more conveniently, and obstacle avoidance requirements are met easily.
Of course, the included angle between the center line of the first sub-frame 1a and the center line bracket of the second sub-frame 1b may be slightly smaller than a right angle, which is not limited herein.
In order to facilitate the adjustment of the position of the lifting hook, the number of the lifting holes may be plural, and the plurality of lifting holes are sequentially arranged along the length direction of the first sub-frame 1 a. So through adjusting lifting hook and the cooperation of different lifting hole and the weight of adjustment counter weight module 2, can adjust this hoist device's focus, and then adapt to different work pieces 4.
In another embodiment, a lifting member is slidably disposed on the first sub-frame 1a, the lifting member can slide along the length direction of the first sub-frame 1a and can be fixedly connected with the first sub-frame 1a after sliding to a set position, and the lifting hole is disposed on the lifting member. So also can realize the lifting hook along the length direction adjustment of first branch frame 1a, and then realize adjusting this hoist device's focus, adapt to different work pieces 4. After the hanging member slides to the set position, the hanging member and the first sub-frame 1a may be fixed by a member such as a bolt, which is not limited herein.
As shown in fig. 3, one end of the weight module 2 is fixedly connected with the second end of the first sub-frame 1a by bolts. The other end of the counterweight module 2 is provided with two opposite supporting plates 2a, and the number of the counterweights between the supporting plates 2a can be adjusted. Specifically, a receiving groove for balancing weights is formed between the two opposite support plates 2a, and the weight of the balancing weight module 2 is adjusted by adjusting the number of balancing weights in the receiving groove.
Of course, the counterweight module 2 may have other structures, such as that one end of the counterweight module 2 is clamped with the second end of the first sub-frame 1 a. The balancing weight and the supporting plate 2a can be connected through bolts so as to prevent the balancing weight from falling, and potential safety hazards exist.
As shown in fig. 3, the workpiece fixing assembly 3 includes a connection plate 3b rotatably connected to the second sub-frame 1b, a stopper for locking the connection plate 3b, and a plurality of drag bars 3c fixedly connected to the connection plate 3b, the drag bars 3c forming a space therebetween for accommodating the workpiece 4. The connecting plate 3b is rotatably connected with the second sub frame 1b, that is, the connecting plate 3b and the second sub frame 1b can rotate relatively, after the connecting plate 3b rotates to a proper angle relative to the second sub frame 1b, the connecting plate 3b is locked by using a limiting piece, and after the connecting plate 3b is locked by the limiting piece, the connecting plate 3b can not rotate relative to the second sub frame 1 b. The plurality of dragging rods 3c are fixedly connected with the connecting plate 3b, and the plurality of dragging plates and the first sub-frame 1a are positioned on the same side of the second sub-frame 1 b. The plurality of drag bars 3c may be perpendicular to the connection plate 3b. A space for accommodating the work 4 is formed between the plurality of drag bars 3 c. The workpiece 4 may be placed between a plurality of the hauling bars 3c, the plurality of hauling bars 3c being distributed along the circumference of the workpiece 4, and the workpiece 4 may be positioned.
The posture of the workpiece 4 can be adjusted by rotating the connecting plate 3b, so that the assembly is convenient, and the application range is wide.
Further, the limiting piece is a jackscrew 3e in threaded fit with the second sub frame 1b, and the jackscrew 3e can tightly prop against the connecting plate 3b. When the connecting plate 3b needs to be rotated, the jackscrew 3e is rotated to be separated from the connecting plate 3b, and when the connecting plate 3b rotates to a proper position, the jackscrew 3e is rotated to tightly prop against the connecting plate 3b. Alternatively, the jackscrew 3e may be inserted into a limiting hole of the connection plate 3b to lock the connection plate 3b from rotating.
Of course, the limiting member may be other members, such as a bolt for fixedly connecting the connection plate 3b and the second bracket 1b, which is not limited herein.
In order to facilitate the fixing of the workpiece 4, a plurality of baffles 3d are fixedly provided on the side wall of the drawbar 3c in the circumferential direction. The baffle plates 3d are uniformly distributed along the circumference of the towing bar 3 c. Three baffles 3d may be attached to each tow bar 3 c. The baffle 3d thus abuts against the workpiece 4, and the workpiece 4 can be further positioned.
Further, the workpiece fixing assembly 3 further comprises a push rod in threaded connection with the baffle plate 3d, and the push rod can push against the workpiece 4 positioned among the plurality of towing bars 3 c. The ejector rods on the baffle plates 3d rotate until the workpieces 4 are propped against each other, so that the workpieces 4 can be fixed in multiple directions. The number of the jack rods connected to each baffle 3d may be plural, and the plurality of jack rods are distributed along the length direction of the baffle 3d.
The number of the drag bars 3c may be four, and the four drag bars 3c are distributed along a square. The length direction of the towing bar 3c and the length direction of the first sub-frame 1a may be parallel to each other so as to maintain balance.
In addition, the connection plate 3b and the second sub frame 1b may be connected through bearings, and a rotating handle 3a is also fixed to the connection plate 3b. Thus, the rotation of the connecting plate 3b can be realized by holding the rotating handle 3a, and the operation is more convenient.
Of course, the workpiece fixing assembly 3 may have other structures, for example, it includes a support plate and two opposite clamping plates, and the workpiece 4 may be clamped by the clamping plates after the workpiece 4 is placed on the support plate.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. A lifting device, comprising:
the hoisting support (1), the hoisting support (1) comprises a first sub-frame (1 a) and a second sub-frame (1 b), the first end of the first sub-frame (1 a) is fixedly connected with the first end of the second sub-frame (1 b), the length directions of the first sub-frame (1 a) and the second sub-frame (1 b) are all extended along a straight line, the included angle between the extension directions of the first sub-frame (1 a) and the second sub-frame (1 b) is larger than zero, and the first sub-frame (1 a) is provided with a hoisting hole;
the counterweight module (2) is fixedly connected with the second end of the first sub-frame (1 a), and the weight of the counterweight module (2) is adjustable;
the workpiece fixing assembly (3), the workpiece fixing assembly (3) is connected with the second end of the second sub-frame (1 b), and the workpiece fixing assembly (3) is used for fixedly positioning a workpiece to be hoisted;
the workpiece fixing assembly (3) comprises a connecting plate (3 b) rotationally connected with the second sub-frame (1 b), a limiting piece for locking the connecting plate (3 b) and a plurality of dragging rods (3 c) fixedly connected with the connecting plate (3 b), wherein a space for accommodating a workpiece is formed among the dragging rods (3 c);
a plurality of baffles (3 d) are fixedly arranged on the side wall of the towing bar (3 c) along the circumferential direction;
the connecting plate (3 b) is connected with the second sub frame (1 b) through a bearing, and a rotating handle (3 a) is further fixed on the connecting plate (3 b).
2. Hoisting device according to claim 1, characterized in that the directions of extension of the first and second sub-frame (1 a, 1 b) are perpendicular to each other.
3. Hoisting device according to claim 1, characterized in that the number of the hoisting holes is plural, and the hoisting holes are sequentially arranged along the length direction of the first sub-frame (1 a).
4. Hoisting device according to claim 1, characterized in that hoisting pieces are slidably arranged on the first sub-frame (1 a), the hoisting pieces can slide along the length direction of the first sub-frame (1 a) and can be fixedly connected with the first sub-frame (1 a) after sliding to a set position, and the hoisting holes are formed in the hoisting pieces.
5. Hoisting device according to claim 1, characterized in that one end of the counterweight module (2) is fixedly connected with the second end of the first sub-frame (1 a) by means of bolts;
the other end of the counterweight module (2) is provided with two opposite supporting plates (2 a), and the number of the counterweights between the supporting plates (2 a) is adjustable.
6. Hoisting device according to claim 1, characterized in that the limiting piece is a jackscrew (3 e) in threaded fit with the second sub frame (1 b), and the jackscrew (3 e) can be pushed against the connecting plate (3 b) or inserted into a limiting hole of the connecting plate (3 b).
7. Hoisting device according to claim 6, characterized in that the workpiece fixing assembly (3) further comprises a ram in threaded connection with the baffle (3 d), which ram is capable of tightening a workpiece located between a plurality of the towbars (3 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110886265.6A CN113582009B (en) | 2021-08-03 | 2021-08-03 | Hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110886265.6A CN113582009B (en) | 2021-08-03 | 2021-08-03 | Hoisting device |
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| Publication Number | Publication Date |
|---|---|
| CN113582009A CN113582009A (en) | 2021-11-02 |
| CN113582009B true CN113582009B (en) | 2024-03-29 |
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| CN202110886265.6A Active CN113582009B (en) | 2021-08-03 | 2021-08-03 | Hoisting device |
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| CN103803408A (en) * | 2014-03-04 | 2014-05-21 | 广西玉柴机器股份有限公司 | Lifting appliance for assembling clutch |
| CN103803403A (en) * | 2014-03-11 | 2014-05-21 | 济钢集团有限公司 | Special hook for hoisting wringing roller |
| CN205061365U (en) * | 2015-10-26 | 2016-03-02 | 郑州德盛祥电机制造有限公司 | Electric motor rotor carries frock |
| CN105600673A (en) * | 2016-03-30 | 2016-05-25 | 江苏科技大学 | Flywheel hanger of diesel engine for automobile |
| CN108502728A (en) * | 2018-05-07 | 2018-09-07 | 铁建重工新疆有限公司 | A kind of installing and dismounting tooling |
| CN110950233A (en) * | 2019-12-20 | 2020-04-03 | 大连华锐重工集团股份有限公司 | Wind power gear box planet wheel assembly balancing device |
| CN211992733U (en) * | 2020-04-03 | 2020-11-24 | 大连华锐重工集团股份有限公司 | Balancing unit is changed to wind-powered electricity generation gear box high-speed axle |
| CN213059867U (en) * | 2020-09-17 | 2021-04-27 | 山东金鼎实业股份有限公司 | Wind-powered electricity generation is with irregular casing counter weight frock for lifting by crane |
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| CN113582009A (en) | 2021-11-02 |
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