CN111706474A - Rear rack convenient to maintain for wind generating set - Google Patents
Rear rack convenient to maintain for wind generating set Download PDFInfo
- Publication number
- CN111706474A CN111706474A CN202010700532.1A CN202010700532A CN111706474A CN 111706474 A CN111706474 A CN 111706474A CN 202010700532 A CN202010700532 A CN 202010700532A CN 111706474 A CN111706474 A CN 111706474A
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- CN
- China
- Prior art keywords
- sliding
- group
- main body
- slippage
- generating set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
-
- 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 invention discloses a rear rack of a wind generating set convenient to maintain, relates to the technical field of wind power generation, and solves the problems that the rear rack of the existing wind generating set is poor in stability, parts of the generating set are easily damaged in the knocking process of the generating set, the normal use of the generating set is influenced, and the labor intensity of maintenance work is high; the front and the back of the right side of the bracket main body are rotationally connected with a group of auxiliary supporting driving pieces; the front inner side and the rear inner side of the right side of the bracket main body are both connected with a group of auxiliary supporting sliding blocks in a sliding manner; the inside sliding connection of seat that slides has a set of lift drive piece and a set of elevator. The support main body can be supported, the stability of the support main body is improved, the mounting height and the position of the generator set part can be conveniently compensated, the operation that the generator set needs to be knocked during adjustment in the prior art is avoided, the damage of knocking to the generator set part is effectively avoided, the adjustment is convenient, and the labor intensity of workers is low.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a rear frame of a wind generating set convenient to maintain.
Background
Wind power generation refers to converting kinetic energy of wind into electric energy, wind energy is a clean and pollution-free renewable energy source, and the wind power generation technology is more and more popular with people along with social progress.
For example, application No.: the invention discloses a welded rear rack of a wind generating set, which comprises box-shaped beams arranged in parallel, a cross beam connected with the box-shaped beams and a connecting plate, wherein the connecting plate comprises a bottom plate and two side walls arranged on one surface of the bottom plate in parallel, and the two side walls are respectively in butt welding with one ends, close to a front rack, of two webs vertically arranged on the box-shaped beams. The two side walls are arranged on the connecting plate and are buckled and welded with the two webs vertically arranged on the box-shaped beam, and the welding line extends along the vertical surface, so that a stress concentration point is avoided, the welding line on the vertical surface can bear large longitudinal load and bending moment, and the safety coefficient is high. .
Based on the above, the rear rack of the existing generator set is generally mounted in a suspension manner, so that the stability is poor in use, and meanwhile, when the existing wind generating set is maintained and the mounting position and the height of the generator set change, because the generator set is heavy, the mounting position generally needs to be compensated and adjusted by knocking the generator set, parts of the generator set are easily damaged in the knocking process of the generator set, the normal use of the generator set is influenced, and the labor intensity of maintenance work is high; therefore, the existing requirements are not met, and a rear frame of the wind generating set convenient to maintain is provided for the requirements.
Disclosure of Invention
The invention aims to provide a rear rack of a wind generating set convenient to maintain, and aims to solve the problems that the conventional rear rack of the wind generating set proposed in the background technology is generally installed in a suspended mode and is poor in stability in use, and meanwhile when the conventional wind generating set is maintained, when the mounting position and the height of the generator set change, the generator set is heavy, the mounting position needs to be compensated and adjusted by knocking the generator set, parts of the generator set are easily damaged in the knocking process of the generator set, the normal use of the generator set is influenced, and the labor intensity of maintenance work is high.
In order to achieve the purpose, the invention provides the following technical scheme: a rear frame of a wind generating set convenient to maintain comprises a bracket main body; the front and the back of the right side of the bracket main body are rotationally connected with a group of auxiliary supporting driving pieces; the front inner side and the rear inner side of the right side of the bracket main body are both connected with a group of auxiliary supporting sliding blocks in a sliding manner; the front lower part and the rear lower part of the right side of the bracket main body are hinged with two groups of swing supporting rods; the bottoms of the two groups of swing supporting rods on the same side are hinged with a group of supporting bottom plates together; the front inner side and the rear inner side of the bracket main body are both rotationally connected with a group of sliding driving pieces; the front inner side and the rear inner side of the bracket main body are respectively and rotatably connected with three groups of sliding intermediate transmission parts; the front inner side and the rear inner side of the bracket main body are respectively and rotatably connected with three sets of sliding transmission parts; the front and the back of the upper part of the bracket main body are both connected with a group of sliding seats in a sliding manner; the lower part of the sliding seat is rotatably connected with a group of lifting driving pieces; the inside sliding connection of seat that slides has a set of lift drive piece and a set of elevator.
Preferably, the auxiliary support driving part and the auxiliary support sliding block are in threaded transmission connection to form a screw nut transmission pair.
Preferably, the auxiliary support slider further comprises an auxiliary support diagonal brace, the bottom of the auxiliary support slider is hinged to a group of auxiliary support diagonal braces, the bottom of each auxiliary support diagonal brace is hinged to the middle of a group of swing support bars on the right side, and the auxiliary support slider, the auxiliary support diagonal braces, the swing support bars and the bracket main body form a crank slider mechanism together.
Preferably, the two groups of swing supporting rods on the same side are arranged in parallel, the supporting base plate is arranged horizontally, and the two groups of swing supporting rods on the same side, the supporting base plate and the support main body form a double-rocker mechanism together.
Preferably, the slippage driving part further comprises a slippage driving bevel gear, three groups of slippage driving bevel gears are coaxially connected to the slippage driving part, the slippage intermediate transmission part further comprises a slippage driven bevel gear, a group of slippage driven bevel gears are coaxially and fixedly connected to the outer side of the slippage intermediate transmission part, and the slippage driving bevel gear and the slippage driven bevel gears are meshed to form a bevel gear transmission mechanism.
Preferably, the middle transmission part that slides still includes the worm that slides, and the inboard coaxial fixedly connected with of middle transmission part that slides is a set of worm that slides, and the transmission part that slides still includes the worm wheel that slides, and the right side coaxial fixedly connected with of transmission part that slides is a set of worm wheel that slides, and the worm that slides constitutes worm gear drive mechanism jointly with the worm wheel that slides meshing.
Preferably, the sliding transmission part further comprises a sliding lead screw, the left side of the sliding transmission part is coaxially and fixedly connected with a group of sliding lead screws, and the sliding lead screws and the sliding seats are connected through thread transmission to form a lead screw nut transmission pair together.
Preferably, the lifting driving piece and the lifting driving block are in threaded transmission connection to form a screw nut transmission pair.
Preferably, the lifting driving block further comprises a sliding inclined plane, the top of the lifting driving block is provided with a group of inclined sliding inclined planes, the lifting block further comprises a lifting inclined plane, the bottom of the lifting block is provided with a group of inclined lifting inclined planes, and the sliding inclined planes and the lifting inclined planes are matched to form a wedge block mechanism.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the lead screw nut transmission pair, the crank slider mechanism and the double-rocker mechanism are adopted to realize the swinging of the support base plate, so that the support main body is supported, the stability of the support main body is improved, the assembly intermittence between parts caused by the instable installation of the support main body is prevented, and the system stability is improved; the left and right sliding of the sliding seat is realized by adopting transmission modes such as a bevel gear transmission mechanism, a worm gear transmission mechanism, a lead screw nut transmission pair and the like, the displacement of the generator set part in the left and right direction is realized, the installation position and the installation form of the generator set part are adjusted, and the maintenance is convenient; through adopting screw nut transmission pair, voussoir mechanism to realize the lift of generating set part, the mounting height and the installation form of adjustment generating set part conveniently compensate the mounting height of generating set part, convenient maintenance and maintenance.
The support main body can be supported, the stability of the support main body is improved, assembly intermittence between parts caused by instable installation of the support main body is prevented, the system stability is improved, meanwhile, the installation position, the installation height and the installation form of the generator set part can be adjusted, the installation height and the position of the generator set part can be compensated conveniently, adjustment and maintenance are convenient, transmission precision is ensured, abrasion is reduced, the system stability is improved, the operation that the generator set needs to be knocked during adjustment in the past is avoided, damage to the generator set part caused by knocking is effectively avoided, meanwhile, adjustment is convenient, and the labor intensity of workers is low.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic side view of the mounting shaft of the slip driver of the present invention;
FIG. 3 is a schematic side view of the sliding seat of the present invention;
FIG. 4 is a schematic side view of the drive shaft of the slip drive of the present invention;
FIG. 5 is a schematic side view of the lifter block shaft of the present invention;
FIG. 6 is a schematic side view of the lift drive block of the present invention;
FIG. 7 is a schematic side view of the lifter block of the present invention;
FIG. 8 is a schematic side view of the drive shaft of the support base of the present invention;
in the figure: 1. a stent body; 2. an auxiliary support drive; 3. an auxiliary support slider; 301. the auxiliary supporting diagonal brace; 4. swinging the support rod; 5. a support base plate; 6. a sliding drive member; 601. slipping the drive bevel gear; 7. a slipping intermediate transmission member; 701. slipping the driven bevel gear; 702. a slipping worm; 8. a sliding transmission part; 801. a slipping worm gear; 802. sliding the lead screw; 9. a sliding seat; 10. a lifting drive member; 11. a lifting driving block; 1101. a sliding ramp; 12. a lifting block; 1201. and lifting the inclined plane.
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.
Referring to fig. 1 to 8, an embodiment of the present invention includes: a rear frame of a wind generating set convenient to maintain comprises a bracket main body 1; a group of auxiliary supporting driving pieces 2 are rotatably connected to the front and the back of the right side of the bracket main body 1; the front inner side and the rear inner side of the right side of the bracket main body 1 are both connected with a group of auxiliary supporting slide blocks 3 in a sliding manner; the front lower part and the rear lower part of the right side of the bracket main body 1 are hinged with two groups of swing supporting rods 4; the bottoms of the two groups of swing supporting rods 4 on the same side are hinged with a group of supporting bottom plates 5 together; the front inner side and the rear inner side of the bracket main body 1 are both rotationally connected with a group of sliding driving pieces 6; the front inner side and the rear inner side of the bracket main body 1 are rotationally connected with three groups of sliding intermediate transmission parts 7; the front inner side and the rear inner side of the bracket main body 1 are rotationally connected with three sets of sliding transmission parts 8; a group of sliding seats 9 are connected to the front and the rear of the upper part of the bracket main body 1 in a sliding manner; the lower part of the sliding seat 9 is rotatably connected with a group of lifting driving pieces 10; the sliding seat 9 is connected with a group of lifting driving blocks 11 and a group of lifting blocks 12 in a sliding manner.
Further, the auxiliary supporting driving part 2 and the auxiliary supporting sliding block 3 are in threaded transmission connection to form a screw nut transmission pair together, and when the auxiliary supporting driving part 2 rotates in use, the auxiliary supporting driving part 2 drives the auxiliary supporting sliding block 3 to slide left and right through the screw nut transmission pair formed by the auxiliary supporting driving part 2 and the auxiliary supporting sliding block 3 together.
Further, the auxiliary support slider 3 further comprises an auxiliary support diagonal brace 301, the bottom of the auxiliary support slider 3 is hinged to a group of auxiliary support diagonal braces 301, the bottom of the auxiliary support diagonal brace 301 is hinged to the middle of a group of swing support rods 4 on the right side, a crank slider mechanism is formed between the auxiliary support slider 3, the auxiliary support diagonal brace 301, the swing support rods 4 and the support main body 1, and when the auxiliary support slider 3 slides left and right in use, the auxiliary support slider 3 drives the group of swing support rods 4 on the right side to swing through the crank slider mechanism formed by the auxiliary support slider 3, the auxiliary support diagonal brace 301, the swing support rods 4 and the support main body 1.
Further, two sets of swing support rod 4 parallel mount of homonymy, supporting baseplate 5 is horizontal installation, two sets of swing support rod 4 of homonymy, supporting baseplate 5, constitute two rocker mechanism between the support main part 1 jointly, in use when the swing support rod 4 swing of a set of right side, a set of swing support rod 4 of right side drives supporting baseplate 5 swing through two sets of swing support rod 4 by the homonymy, supporting baseplate 5, the double rocker mechanism that constitutes jointly between the support main part 1 guarantees that supporting baseplate 5 is in the horizontality and supports support main part 1 simultaneously.
Further, the slippage driving part 6 further comprises a slippage driving bevel gear 601, three groups of slippage driving bevel gears 601 are coaxially connected to the slippage driving part 6, the slippage intermediate transmission part 7 further comprises a slippage driven bevel gear 701, a group of slippage driven bevel gears 701 are coaxially and fixedly connected to the outer side of the slippage intermediate transmission part 7, the slippage driving bevel gear 601 and the slippage driven bevel gear 701 are meshed to form a bevel gear transmission mechanism together, and when the slippage driving part 6 rotates in use, the slippage driving part 6 drives the slippage intermediate transmission part 7 to rotate through the bevel gear transmission mechanism formed by the meshing of the slippage driving bevel gear 601 and the slippage driven bevel gear 701 together.
Further, the slippage intermediate transmission member 7 further comprises a slippage worm 702, a group of slippage worms 702 is coaxially and fixedly connected to the inner side of the slippage intermediate transmission member 7, the slippage transmission member 8 further comprises a slippage worm wheel 801, a group of slippage worm wheels 801 is coaxially and fixedly connected to the right side of the slippage transmission member 8, the slippage worm 702 and the slippage worm wheel 801 are meshed to form a worm and gear transmission mechanism together, and when the slippage intermediate transmission member 7 rotates in use, the slippage intermediate transmission member 7 drives the slippage transmission member 8 to rotate through the worm and gear transmission mechanism formed by the slippage worm 702 and the slippage worm wheel 801 being meshed together.
Further, the sliding transmission member 8 is still including the lead screw 802 that slides, the coaxial fixedly connected with a set of lead screw 802 that slides in the left side of sliding transmission member 8, the lead screw 802 that slides forms the screw nut transmission pair jointly with the seat 9 that slides through screw drive connection, in use when the sliding transmission member 8 rotates, the sliding transmission member 8 drives the seat 9 that slides from side to side through the screw nut transmission pair that comprises the lead screw 802 that slides and the seat 9 that slides jointly, realizes the displacement to the generating set part, conveniently maintains the maintenance.
Further, the lifting driving member 10 and the lifting driving block 11 are in threaded transmission connection to form a screw nut transmission pair, and when the lifting driving member 10 is rotated in use, the lifting driving member 10 drives the lifting driving block 11 to slide back and forth through the screw nut transmission pair formed by the lifting driving member 10 and the lifting driving block 11.
Further, the lifting driving block 11 further comprises a sliding inclined plane 1101, a group of inclined sliding inclined planes 1101 is arranged at the top of the lifting driving block 11, the lifting block 12 further comprises a lifting inclined plane 1201, a group of inclined lifting inclined planes 1201 are arranged at the bottom of the lifting block 12, the sliding inclined planes 1101 and the inclined planes of the lifting inclined planes 1201 are matched to form a wedge block mechanism, when the lifting driving block 11 slides back and forth in use, the lifting driving block 11 drives the lifting block 12 to slide up and down through the wedge block mechanism formed by the sliding inclined planes 1101 and the lifting inclined planes 1201, lifting of the generator set part is achieved, the installation height of the generator set part is adjusted, and maintenance is facilitated.
The working principle is as follows: when the support device is used, when the auxiliary support driving piece 2 is rotated, the auxiliary support driving piece 2 drives the auxiliary support sliding block 3 to slide left and right through a screw nut transmission pair formed by the auxiliary support driving piece 2 and the auxiliary support sliding block 3, the auxiliary support sliding block 3 drives the right group of swing supporting rods 4 to swing through a crank sliding block mechanism formed by the auxiliary support sliding block 3, the auxiliary support inclined supporting rod 301, the swing supporting rods 4 and the support main body 1, the right group of swing supporting rods 4 drives the support bottom plate 5 to swing through a double-rocker mechanism formed by the two groups of swing supporting rods 4, the support bottom plate 5 and the support main body 1 on the same side, the support bottom plate 5 is ensured to be in a horizontal state to support the support main body 1, and the stability of the support main body 1; when the sliding driving piece 6 is rotated, the sliding driving piece 6 drives the sliding intermediate transmission piece 7 to rotate through a bevel gear transmission mechanism formed by meshing a sliding driving bevel gear 601 and a sliding driven bevel gear 701 together, the sliding intermediate transmission piece 7 drives the sliding transmission piece 8 to rotate through a worm gear transmission mechanism formed by meshing a sliding worm 702 and a sliding worm wheel 801 together, and the sliding transmission piece 8 drives the sliding seat 9 to slide left and right through a screw nut transmission pair formed by meshing a sliding screw 802 and the sliding seat 9 together, so that the displacement of parts of the generator set is realized, and the maintenance is convenient; when the lifting driving piece 10 is rotated, the lifting driving piece 10 drives the lifting driving piece 11 to slide back and forth through a lead screw nut transmission pair formed by the lifting driving piece 10 and the lifting driving piece 11 together, the lifting driving piece 11 drives the lifting piece 12 to slide up and down through a wedge block mechanism formed by the sliding inclined plane 1101 and the lifting inclined plane 1201 together, lifting of generator set parts is achieved, mounting height of the generator set parts is adjusted, maintenance and repair are facilitated, and compensation is facilitated for the mounting height of the generator set parts.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a wind generating set after-frame convenient to maintain which characterized in that: comprises a bracket main body (1); the front and the back of the right side of the bracket main body (1) are respectively and rotatably connected with a group of auxiliary supporting driving pieces (2); the front inner side and the rear inner side of the right side of the bracket main body (1) are both connected with a group of auxiliary supporting sliding blocks (3) in a sliding manner; the front lower part and the rear lower part of the right side of the bracket main body (1) are hinged with two groups of swing supporting rods (4); the bottoms of the two groups of swing supporting rods (4) at the same side are hinged with a group of supporting bottom plates (5) together; the front inner side and the rear inner side of the bracket main body (1) are respectively and rotatably connected with a group of sliding driving pieces (6); the front inner side and the rear inner side of the bracket main body (1) are respectively and rotatably connected with three groups of sliding intermediate transmission parts (7); the front inner side and the rear inner side of the bracket main body (1) are respectively and rotatably connected with three groups of sliding transmission parts (8); the front and the back of the upper part of the bracket main body (1) are both connected with a group of sliding seats (9) in a sliding way; the lower part of the sliding seat (9) is rotationally connected with a group of lifting driving pieces (10); the inside sliding connection of sliding seat (9) has a set of lift drive piece (11) and a set of lift piece (12).
2. The wind generating set back frame convenient to maintain of claim 1, wherein: the auxiliary support driving piece (2) and the auxiliary support sliding block (3) are in threaded transmission connection to form a screw nut transmission pair together.
3. The wind generating set back frame convenient to maintain of claim 1, wherein: the auxiliary support sliding block (3) further comprises an auxiliary support inclined support rod (301), the bottom of the auxiliary support sliding block (3) is hinged to a group of auxiliary support inclined support rods (301), the bottom of each auxiliary support inclined support rod (301) is hinged to the middle of a group of swing support rods (4) on the right side, and a crank sliding block mechanism is formed among the auxiliary support sliding block (3), the auxiliary support inclined support rods (301), the swing support rods (4) and the support main body (1) together.
4. The wind generating set back frame convenient to maintain of claim 1, wherein: two sets of swing bracing piece (4) parallel mount of homonymy, supporting baseplate (5) are horizontal installation, constitute two rocker mechanisms jointly between two sets of swing bracing piece (4), supporting baseplate (5), the support main part (1) of homonymy.
5. The wind generating set back frame convenient to maintain of claim 1, wherein: the sliding driving piece (6) further comprises a sliding driving bevel gear (601), three groups of sliding driving bevel gears (601) are coaxially connected to the sliding driving piece (6), the sliding intermediate transmission piece (7) further comprises a sliding driven bevel gear (701), a group of sliding driven bevel gears (701) are coaxially and fixedly connected to the outer side of the sliding intermediate transmission piece (7), and the sliding driving bevel gear (601) and the sliding driven bevel gears (701) are meshed to form a bevel gear transmission mechanism together.
6. The wind generating set back frame convenient to maintain of claim 1, wherein: the slippage intermediate transmission piece (7) further comprises a slippage worm (702), a group of slippage worms (702) is coaxially and fixedly connected to the inner side of the slippage intermediate transmission piece (7), the slippage transmission piece (8) further comprises a slippage worm wheel (801), a group of slippage worm wheels (801) is coaxially and fixedly connected to the right side of the slippage transmission piece (8), and the slippage worm (702) and the slippage worm wheels (801) are meshed to form a worm and gear transmission mechanism together.
7. The wind generating set back frame convenient to maintain of claim 1, wherein: the sliding transmission piece (8) further comprises a sliding lead screw (802), the left side of the sliding transmission piece (8) is coaxially and fixedly connected with a group of sliding lead screws (802), and the sliding lead screws (802) and the sliding seat (9) are connected through thread transmission to form a lead screw nut transmission pair together.
8. The wind generating set back frame convenient to maintain of claim 1, wherein: the lifting driving piece (10) is in threaded transmission connection with the lifting driving block (11) to form a screw nut transmission pair.
9. The wind generating set back frame convenient to maintain of claim 1, wherein: the lifting driving block (11) further comprises a sliding inclined plane (1101), a group of inclined sliding inclined planes (1101) is arranged at the top of the lifting driving block (11), the lifting block (12) further comprises a lifting inclined plane (1201), a group of inclined lifting inclined planes (1201) is arranged at the bottom of the lifting block (12), and the sliding inclined plane (1101) and the lifting inclined plane (1201) are matched to form a wedge block mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700532.1A CN111706474A (en) | 2020-07-20 | 2020-07-20 | Rear rack convenient to maintain for wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010700532.1A CN111706474A (en) | 2020-07-20 | 2020-07-20 | Rear rack convenient to maintain for wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111706474A true CN111706474A (en) | 2020-09-25 |
Family
ID=72546879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010700532.1A Withdrawn CN111706474A (en) | 2020-07-20 | 2020-07-20 | Rear rack convenient to maintain for wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111706474A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280282A (en) * | 2021-12-29 | 2022-04-05 | 马前进 | Be used for concrete shrinkage test device |
-
2020
- 2020-07-20 CN CN202010700532.1A patent/CN111706474A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280282A (en) * | 2021-12-29 | 2022-04-05 | 马前进 | Be used for concrete shrinkage test device |
| CN114280282B (en) * | 2021-12-29 | 2023-10-03 | 马前进 | Be used for concrete shrinkage test device |
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Application publication date: 20200925 |