CN108757337B - A high-low platform elephant leg frock for fan installation - Google Patents
A high-low platform elephant leg frock for fan installation Download PDFInfo
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- CN108757337B CN108757337B CN201810775332.5A CN201810775332A CN108757337B CN 108757337 B CN108757337 B CN 108757337B CN 201810775332 A CN201810775332 A CN 201810775332A CN 108757337 B CN108757337 B CN 108757337B
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- platform
- hollow sleeve
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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
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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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
-
- 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
- Y02E10/728—Onshore wind turbines
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- Sustainable Energy (AREA)
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a high-low platform image leg tool for fan installation, which comprises an installation platform and a tool body arranged above the installation platform. The mounting platform is step-shaped and comprises a high platform and a low platform. The frock body includes central supporting seat, first supporting leg and second supporting leg. The included angle between the first supporting leg and the second supporting leg is 120 degrees. The center supporting seat comprises a first bottom plate, a first hollow sleeve arranged at the top of the first bottom plate, a second hollow sleeve embedded in the first hollow sleeve, a fan blade base fixing seat arranged at the top of the second hollow sleeve and a limiting pin penetrating through the side wall of the first hollow sleeve. Three limit grooves are formed in the outer wall of the second hollow sleeve. The first support leg and the second support leg are identical in structure and comprise a second bottom plate, a telescopic longitudinal support part and a telescopic transverse support part. The invention not only can reduce the construction work amount and the construction difficulty, but also can effectively improve the convenience and the installation precision of the fan blade.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a high-low platform elephant leg tool for fan installation.
Background
With the development of wind power, existing wind power resources are increasingly stressed, and the situation of sites with land property and rights issues is also increasingly increased. In order to solve the problems of land property and rights, the fan is installed after the machine position is finely adjusted to the hillside. At present, a platform with a size of 30m is usually built by excavating and stacking around the periphery of a fan position, fan blades are installed on the platform, the main crane and the auxiliary crane are matched to complete the installation of the whole fan, and after the installation is completed, the land where the platform is located is required to be restored to the original appearance through filling. The existing fan installation mode has the defects of large construction work amount, high construction difficulty and the like, the installation position of the fan blade is completely judged subjectively by an installer, and a large installation error exists.
Disclosure of Invention
The invention aims to provide a high-low platform elephant leg tool for fan installation, which can solve the defects in the prior art, greatly reduce the construction work amount, reduce the construction difficulty and effectively improve the convenience and the installation precision of fan blades.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a high-low platform elephant leg frock for fan installation, includes mounting platform and sets up the frock body in the mounting platform top.
Specifically speaking, the mounting platform is step-shaped, including setting gradually high platform and the low platform on the hillside. The tool body comprises a center supporting seat, and a first supporting leg and a second supporting leg which are connected with the center supporting seat in sequence. The center supporting seat is arranged on the high platform, and the first supporting leg and the second supporting leg are arranged on the low platform. The included angle between the first supporting leg and the second supporting leg is 120 degrees. The center supporting seat comprises a first bottom plate, a first hollow sleeve arranged at the top of the first bottom plate, a second hollow sleeve embedded in the first hollow sleeve, a fan blade base fixing seat arranged at the top of the second hollow sleeve and a limiting pin penetrating through the side wall of the first hollow sleeve. Three uniformly distributed limiting grooves are formed in the outer wall of the second hollow sleeve. The first supporting leg and the second supporting leg are identical in structure and comprise a second bottom plate, a telescopic longitudinal supporting part arranged at the top of the second bottom plate and a telescopic transverse supporting part connected between the upper end of the longitudinal supporting part and the first hollow sleeve.
Further, the spacer pin includes the spacer pin main part, sets up at the first stopper of spacer pin main part outer end, sets up rotatory handle on first stopper lateral wall, along the second stopper and the spring of cover between first stopper and second stopper of spacer pin main part outside and being located that the spacer pin main part middle section periphery set up.
Further, a limiting pin mounting seat is arranged on the outer wall of the first hollow sleeve.
Furthermore, a plurality of mounting holes for fixing the fan blade base are formed in the fan blade base fixing seat.
Further, the inner end of the limiting pin main body is a cone.
Further, the limiting pin mounting seat comprises a hollow cylindrical mounting seat main body and limiting protrusions arranged on the outer side wall of the mounting seat main body.
According to the technical scheme, the high platform and the low platform which are positioned at different heights are arranged to serve as the fan installation platform, so that the construction work amount can be greatly reduced, and the construction difficulty is reduced; through the setting to the contained angle of two supporting legs, set up first hollow cover and the hollow cover of second that can take place relative rotation, set up a spacer pin and three evenly distributed's of cooperation use spacing groove to set up telescopic horizontal supporting part and vertical supporting part, can adapt to the design of high low platform, and can effectively improve the convenience and the installation accuracy of fan flabellum.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a prior art fan mounting platform;
FIG. 4 is a schematic view of the structure of the fan mounting platform of the present invention;
FIG. 5 is a schematic structural view of a tooling body;
FIG. 6 is a second schematic structural view of the tool body;
FIG. 7 is a schematic view of a center support;
FIG. 8 is an enlarged schematic view of portion B of FIG. 7;
FIG. 9 is a second schematic structural view of the center support;
FIG. 10 is an enlarged schematic view of portion C of FIG. 9;
FIG. 11 is a schematic view of a second hollow sleeve and fan blade base mount;
FIG. 12 is a front view of a second hollow sleeve and fan blade base mount;
FIG. 13 is a view in the A-A direction of FIG. 12;
fig. 14 is a schematic view of the structure of the stopper pin without the spring mounted.
Wherein:
100. the fixture comprises a fixture body, 101, a second bottom plate, 102, a first longitudinal supporting part, 103, a second longitudinal supporting part, 104, a first transverse supporting part, 105, a second transverse supporting part, 106, a first bottom plate, 107, a first hollow sleeve, 108, a second hollow sleeve, 109, a fan blade base fixing seat, 110, a limiting pin main body, 111, a spring, 112, a mounting seat main body, 113, a limiting protrusion, 114, a limiting groove, 115, a mounting hole for fixing a fan blade base, 116, a first limiting block, 117, a rotary handle, 118, a second limiting block, 200, a low platform, 300, a high platform, 400, a fan blade, 500, a fan blade supporting rod, 600, a hillside, 700 and a fan mounting platform in the prior art.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
a high and low platform image leg tooling for fan installation as shown in fig. 1-2 includes an installation platform and a tooling body 100 disposed above the installation platform. The tool body 100 is configured to hoist the fan blade 400 to the top of the blade support bar 500 by using a crane after the fan blade 400 is assembled.
Specifically, as shown in fig. 3, in the prior art, a fan installation platform 700 is generally constructed on a hillside, and the construction of the platform requires a great deal of excavation and filling work, and the amount of construction work and the difficulty of construction are very great. As shown in fig. 4, the installation platform used in the present invention is stepped, and includes a high platform 300 and a low platform 200 sequentially provided on a hillside 600. As can be seen from the comparison between the figures 3 and 4, the invention can reduce the occupied area of the installation platform and the construction work amount and reduce the construction difficulty on the basis of ensuring the smooth installation of the fan by constructing two platforms at different heights on the hillside. The high and low platforms are suitable for ridge lines with limited or controversial tops, the ridge lines are gentle, the width of the gentle section is larger than 25m, and two sides of the ridge lines are free of barriers.
As shown in fig. 5 to 6, the tool body 100 includes a central support base, and a first support leg and a second support leg connected to the central support base in sequence. The center support is mounted on the high platform 300 and the first and second support legs are mounted on the low platform 200.
The high platform 300 and the low platform 200 are designed, so that the advantages of reduced earthwork and low construction difficulty are brought, but the great inconvenience and the great potential safety hazard are brought to crane operators. In high-low platform applications, for convenience of crane operation, the crane is usually located on a low platform (if the crane is driven to a high platform, the distance of a travelling channel needs to be increased to further damage a mountain), and the center support seat is located on the high platform, which causes visual illusions of crane operators in different spaces of high and low, so that it is difficult for the crane operators to accurately hoist the fan blades to corresponding positions of the fan blade bases mounted on the fan blade base fixing seat 109. In order to solve the technical problem, a special design using the first supporting leg and the second supporting leg as fan blade lifting reference points is adopted. Through design horizontal length and vertical high telescopic first supporting leg and second supporting leg, can adapt to the design of high low platform, provide supplementary reference for the hoist and mount of fan flabellum, provide convenience for finding the mounting point.
As shown in fig. 6 to 10, the center support comprises a first bottom plate 106, a first hollow sleeve 107 installed on the top of the first bottom plate 106, a second hollow sleeve 108 embedded in the first hollow sleeve 107, a fan blade base fixing seat 109 arranged on the top of the second hollow sleeve 108, and a limiting pin penetrating through the side wall of the first hollow sleeve 107. As shown in fig. 11-13, three limiting grooves 114 uniformly distributed along the periphery of the second hollow sleeve are formed on the outer wall of the second hollow sleeve 108, the three limiting grooves are on the same horizontal plane, the three limiting grooves trisect a circle, and the central angle between the adjacent limiting grooves is 120 degrees. The first base plate 106 is configured to be coupled to the upper platform 300. The outer side wall of the first hollow jacket 107 is connected to the second lateral support 105. The second hollow sleeve 108 is located in the first hollow sleeve 107, and a gap is formed between the two coaxially arranged hollow sleeves, so that the first hollow sleeve 107 and the second hollow sleeve 108 can rotate relatively under the action of external force.
As shown in fig. 7-10 and 14, the stopper pin includes a stopper pin body 110, a first stopper 116 disposed at an outer end of the stopper pin body 110, a rotary handle 117 disposed on an outer side wall of the first stopper 116, a second stopper 118 disposed along an outer periphery of a middle section of the stopper pin body 110, and a spring 111 disposed outside the stopper pin body 110 and disposed between the first stopper 116 and the second stopper 118. The inner end of the stop pin body 110 and the stop slot 114 are tapered. The outer wall of the first hollow sleeve 107 is provided with a limiting pin mounting seat. The limiting pin mounting seat comprises a hollow cylindrical mounting seat main body 112 and a limiting protrusion 113 arranged on the outer side wall of the mounting seat main body 112. The limiting protrusions 113 comprise two limiting protrusions which are vertically symmetrically arranged, and a gap for accommodating and limiting the rotation of the first limiting block 116 is arranged between the two limiting protrusions 113. The first limiting block 116 and the second limiting block 118 are used for connecting springs. The first limiting block 116 is further configured to cooperate with a gap between the two limiting protrusions, and be engaged with and connected together.
The limiting pin is used for locking and connecting the first hollow sleeve 107 and the second hollow sleeve 108 together after the second hollow sleeve 108 rotates to the target position, so that the accurate installation of fan blades is prevented from being influenced by relative movement of the first hollow sleeve 107 and the second hollow sleeve 108. When the first hollow sleeve 107 is in locking connection with the second hollow sleeve 108, the state of the limiting pin is shown in fig. 8, and at this time, the first limiting block 116 is clamped between the two limiting protrusions 113 and cannot rotate any more; the end of the stopper pin body 110 is caught in the stopper groove 114, and the spring 111 is in a compressed state. When the position of the second hollow sleeve 108 needs to be adjusted, the rotary handle can be pulled out from the state shown in fig. 8 under the action of the external force and the elastic force of the spring 111, and then the rotary handle 117 is rotated to the state shown in fig. 10, so that the inner sides of the two ends of the first limiting block 116 are respectively contacted with and overlapped with the outer sides of the two limiting protrusions 113, and at the moment, the limiting pin is not contacted with the limiting groove 114, and the second hollow sleeve 108 can rotate relative to the first hollow sleeve 107.
Further, as shown in fig. 11, the fan blade base fixing base 109 is provided with a plurality of mounting holes 115 for fixing the fan blade base. The fan blade base fixing base 109 is used for installing a fan blade base. And 3 mounting holes are formed in the fan blade base and are used for mounting three fan blades of the fan.
Further, the first support leg and the second support leg have the same structure, and each of the first support leg and the second support leg includes a second bottom plate 101, a telescopic longitudinal support portion mounted on top of the second bottom plate 101, and a telescopic transverse support portion connected between an upper end of the longitudinal support portion and the first hollow sheath 107. The left end of the transverse supporting part is vertically connected with the upper end of the longitudinal supporting part. The included angle between the first supporting leg and the second supporting leg is 120 degrees. The telescopic longitudinal support and the telescopic transverse support may be realized in a telescopic manner as in the prior art. For example, the longitudinal supporting portion includes a first longitudinal supporting portion 102 and a second longitudinal supporting portion 103 which are sequentially connected, the lower end of the second longitudinal supporting portion 103 is embedded in the first longitudinal supporting portion 102, a plurality of connecting holes are formed in the first longitudinal supporting portion 102 and the second longitudinal supporting portion 103, and the connecting holes at different positions of the first longitudinal supporting portion 102 and the second longitudinal supporting portion 103 are connected by bolts, so that the longitudinal supporting portion can stretch in the height direction. The transverse supporting portion comprises a first transverse supporting portion 104 and a second transverse supporting portion 105 which are connected in sequence, the right end of the first transverse supporting portion 104 is embedded into the left end of the second transverse supporting portion 105, a plurality of connecting holes are formed in the first transverse supporting portion 104 and the second transverse supporting portion 105, the connecting holes in different positions of the first transverse supporting portion 104 and the second transverse supporting portion 105 are connected through bolts, and stretching of the transverse supporting portion in the length direction can be achieved. Because the mounting platform of the fan adopted by the invention comprises two platforms (a high platform 300 and a low platform 200) which are positioned at different heights, the central supporting seat is arranged on the high platform, and the first supporting leg and the second supporting leg are both arranged on the low platform; therefore, the height and length of the whole tool body 100 can be adjusted by adopting the telescopic longitudinal support part and the telescopic transverse support part, so that the tool body 100 can be stably fixed on a high platform and a low platform after being installed, and the tops of the transverse support part and the fan blade base fixing seat 109 are positioned on the same horizontal plane, so that the accuracy and convenience of fan blade installation are ensured.
The specific operation method of the invention comprises the following steps:
(1) The center support is mounted on the high platform 300 as the center point of the overall tooling.
(2) The first support leg and the second support leg are respectively mounted on the lower platform 200. In the process of installing the first supporting leg and the second supporting leg, the length of the transverse supporting portion is adjusted to enable the tool body 100 to span two platforms, and the length of the longitudinal supporting portion is adjusted to enable the tops of the two transverse supporting portions and the top of the fan blade base fixing seat 109 to be located on the same horizontal plane.
(3) The fan blade base is mounted to the fan blade base mount 109.
(4) The limiting pin is separated from the limiting groove 114, the second hollow sleeve 108 is rotated until two of the three mounting holes on the fan blade base are respectively in one-to-one correspondence with the transverse supporting parts of the first supporting leg and the second supporting leg, at the moment, the two mounting holes are also in one-to-one correspondence with two limiting grooves 114 of the three limiting grooves 114 on the second hollow sleeve 108, and then the limiting pin is locked in the third limiting groove 114.
(5) In order to reduce the distance of the crane in the driving channel and reduce damage to mountain bodies, the crane is placed on a low platform. The two fan blades 400 of the fan are respectively placed on the transverse supporting parts of the first supporting leg and the second supporting leg by adopting the crane, and then the two fan blades 400 are mounted on the fan blade base. The included angle between the first supporting leg and the second supporting leg is 120 degrees, and the three limiting grooves 114 are uniformly distributed on the same periphery of the second hollow sleeve 108, so that when the fan blade 400 is installed, although the crane and the center supporting seat are positioned on the high-low platform with two different heights, visual errors are easy to exist, the included angle between the two fan blades is 120 degrees by enabling two mounting holes in the three mounting holes on the blade base to correspond to the transverse supporting parts of the first supporting leg and the transverse supporting part of the second supporting leg respectively, and meanwhile, the two mounting holes and the two limiting grooves 114 in the three limiting grooves 114 in the second hollow sleeve 108 are also in one-to-one correspondence, so that the two fan blades are hoisted by the crane and are placed on the transverse supporting parts of the first supporting leg and the transverse supporting part of the second supporting leg respectively, and the accuracy of installation of the fan blades is guaranteed.
(6) And hoisting a third fan blade by using a crane, placing the third fan blade on a direction extension line of the included angle center line of the other two fan blades, and mounting the fan blade on the fan blade base.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (5)
1. A high-low platform elephant leg frock for fan installation, its characterized in that: the tool comprises an installation platform and a tool body arranged above the installation platform;
the mounting platform is in a step shape and comprises a high platform and a low platform which are sequentially arranged on a hillside;
the tool body comprises a center supporting seat, and a first supporting leg and a second supporting leg which are sequentially connected with the center supporting seat; the center supporting seat is arranged on the high platform; the first support leg and the second support leg are mounted on a low platform;
the included angle between the first supporting leg and the second supporting leg is 120 degrees; the center supporting seat comprises a first bottom plate, a first hollow sleeve arranged at the top of the first bottom plate, a second hollow sleeve embedded in the first hollow sleeve, a fan blade base fixing seat arranged at the top of the second hollow sleeve and a limiting pin penetrating through the side wall of the first hollow sleeve; three uniformly distributed limiting grooves are formed in the outer wall of the second hollow sleeve;
the first supporting leg and the second supporting leg have the same structure and comprise a second bottom plate, a telescopic longitudinal supporting part arranged at the top of the second bottom plate and a telescopic transverse supporting part connected between the upper end of the longitudinal supporting part and the first hollow sleeve;
the limiting pin comprises a limiting pin body, a first limiting block arranged at the outer end part of the limiting pin body, a rotary handle arranged on the outer side wall of the first limiting block, a second limiting block arranged along the periphery of the middle section of the limiting pin body and a spring sleeved outside the limiting pin body and located between the first limiting block and the second limiting block.
2. The high-low platform elephant leg tooling for fan installation of claim 1, wherein: and a limiting pin mounting seat is arranged on the outer wall of the first hollow sleeve.
3. The high-low platform elephant leg tooling for fan installation of claim 1, wherein: the fan blade base fixing seat is provided with a plurality of mounting holes for fixing the fan blade base.
4. The high-low platform elephant leg tooling for fan installation of claim 1, wherein: the inner end of the limiting pin main body is a cone.
5. The high-low platform elephant leg tooling for fan installation of claim 2, wherein: the limiting pin mounting seat comprises a hollow cylindrical mounting seat main body and limiting protrusions arranged on the outer side wall of the mounting seat main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775332.5A CN108757337B (en) | 2018-07-16 | 2018-07-16 | A high-low platform elephant leg frock for fan installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775332.5A CN108757337B (en) | 2018-07-16 | 2018-07-16 | A high-low platform elephant leg frock for fan installation |
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| CN108757337A CN108757337A (en) | 2018-11-06 |
| CN108757337B true CN108757337B (en) | 2023-06-23 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110566414B (en) * | 2019-10-11 | 2024-01-19 | 中国电建集团贵州工程有限公司 | Blade auxiliary supporting device |
| CN110986773B (en) * | 2019-12-17 | 2021-09-28 | 安徽开源路桥有限责任公司 | Method for measuring engineering earth volume based on unmanned aerial vehicle shooting |
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| CN108757337A (en) | 2018-11-06 |
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