CN217126747U - Offshore wind power hoisting tower body foundation connection structure - Google Patents
Offshore wind power hoisting tower body foundation connection structure Download PDFInfo
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- CN217126747U CN217126747U CN202123336794.3U CN202123336794U CN217126747U CN 217126747 U CN217126747 U CN 217126747U CN 202123336794 U CN202123336794 U CN 202123336794U CN 217126747 U CN217126747 U CN 217126747U
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Abstract
The utility model belongs to the technical field of hoisting machinery, solved and used high strength bolt to change the technical problem that the expense is high, rust easily and connect, the formula of embracing tile joint construction is complicated, the horizontal shear force of water-resistant is poor, the cost is high, the structural style has more serious stress concentration, the security is poor among the prior art, provide a marine wind power hoist and mount tower body of tower foundation connection structure, including the same connector of four group structures, every group the connector includes bedplate down, bedplate upper surface is equipped with two vertical parallel arrangement's first riser down, first riser top is equipped with the level and is equipped with the bedplate, the lower surface of going up the bedplate is equipped with two vertical parallel arrangement's second riser, two the second riser inserts downwards between two first risers. Offshore wind power hoist tower body of tower foundation connection structure have that connection structure is simple, the horizontal shear force of water-resistant is strong, stress is concentrated in the middle and small, permanent use, install and remove the advantage that convenience, cost are low.
Description
Technical Field
The utility model relates to a hoisting machinery technical field especially relates to a marine wind power hoist and mount tower body of tower basis connection structure.
Background
Offshore wind power develops rapidly, a self-elevating tower crane is widely installed on a ship surface to carry out hoisting operation on components such as a tower barrel, fan blades and the like, severe environmental conditions such as high wind, humidity, high salt fog, serious corrosion and the like exist on the sea, a plurality of special requirements exist on the structure and stress of a metal structure, and only various severe conditions are overcome and avoided, so that the safe hoisting operation can be ensured, and the tower crane is reasonable in stress, strong in wind resistance, corrosion resistant and stable in performance. The traditional tower body structure foundation generally has a flange bolt type foundation and a joint tile holding type foundation, wherein the flange bolt type foundation is connected, high-strength bolts are easy to rust, potential safety hazards exist, equipment transition is frequent, and the cost for repeatedly disassembling, assembling and replacing the bolts is high; the joint tile-embracing foundation has the disadvantages of complex connecting structure, poor horizontal shear resistance, high manufacturing cost, severe stress concentration in the structural form and poor safety. The pin shaft lug plate type connecting structure has the advantages of clear stress design, simple structure, simple manufacturing process, quick assembly and disassembly, repeated assembly and disassembly, permanent use, low cost, safety, high efficiency, economy and practicability, and is particularly suitable for the basic connection of large-scale tower cranes working in severe environments such as offshore wind power humidity, large salt fog, serious corrosion and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is just to the weak point that exists among the above-mentioned prior art and provides a tower body basis is crisscross round pin axle otic placode connection structure for marine wind power hoist and mount, more is applicable to marine wind power. The utility model discloses an otic placode round pin axle foundation structure, simple structure to paste fillet weld and make up the welding seam and give first place to, avoided the stress concentration that butt weld and complex structure produced, simplified manufacturing process, also avoided using high strength bolt to change the problem that the expense is high and rust easily, adjacent connector round pin axle is 90 degrees staggered arrangement, can bear pulling, pressure of tower machine each direction horizontal shear force and main chord member transmission, eliminated potential safety hazard, economical and practical. The utility model has the characteristics of simple structure, safety, reliable, economy for marine wind power tower machine, economic benefits and social are showing.
The embodiment of the utility model provides an offshore wind power hoisting tower body foundation connection structure, including four groups of connectors that the structure is the same, every group of connector includes the bedplate down, the bedplate upper surface is equipped with two vertical parallel arrangement's first riser perpendicularly down, be equipped with the level above the first riser and be equipped with the bedplate, the lower surface of bedplate is equipped with two vertical parallel arrangement's second riser perpendicularly, two the second riser inserts downwards between two first risers, two the first riser and two second risers parallel arrangement each other, be connected with the round pin axle between two the first risers, this round pin axle passes one of them first riser, two second risers and another first riser in proper order; the axes of the pin shafts between the adjacent connectors are staggered at 90 degrees; the upper seat plate is connected with a chord member of the tower crane, and the lower seat plate is arranged on the plane of a machine table of the tower crane.
The working principle and the process are as follows:
through the connection method of connecting lug plate and pin shaft combination, as the connection mode of tower body lower part and basis of tower machine, fix lower bedplate on tower machine board plane, link together upper bedplate and lower bedplate through first riser and second riser, the chord member of tower machine is connected to the upper bedplate, first riser and second riser are through the articulated 90 degrees staggered arrangement of round pin axle and adjacent connector round pin axle axis through the round pin axle, can bear the pulling of tower machine each direction horizontal shear force and main chord member transmission, the potential safety hazard has been eliminated, economy and practicality, and overall structure is simple, and the maintenance of being convenient for, the installation is swift, the structure is also more stable.
Furthermore, the first vertical plate and the second vertical plate are made of thick steel plates, the first vertical plate is welded on the lower seat plate, the second vertical plate is welded on the upper seat plate, and the welding structure of the welding mode is one of fillet welding or combined welding.
The welding mode of fillet welding or combined welding is adopted, so that stress concentration caused by butt welding and complex structure is avoided, the manufacturing process is simplified, and the problems of high replacing cost and easy rusting of high-strength bolts are also avoided.
Further, the width of the first vertical plate is larger than that of the second vertical plate.
The width of first riser is greater than the width of second riser, is favorable to providing more stable holding power, reduces stress concentration, disperses the whole decurrent pressure of second riser to first riser.
Furthermore, round holes used for penetrating pin shafts are formed in the first vertical plate and the second vertical plate.
The round hole facilitates the setting and installation of the pin shaft.
Furthermore, the first vertical plate and the second vertical plate are both triangular structures, one end, away from the lower seat plate, of the first vertical plate is arc-shaped, and one end, away from the upper seat plate, of the second vertical plate is arc-shaped.
The setting of circular-arc structure can prevent that the second riser from appearing the card and mixing the phenomenon of wearing and tearing at the rotation in-process, and the first riser and the second riser of triangle-shaped structure both save material, and the structure is also more stable.
Furthermore, one end of the pin shaft is provided with a step-shaped shaft shoulder, and the other end of the pin shaft penetrates through round holes in the first vertical plate and the second vertical plate and is provided with a circular plate nut.
The pin shaft is fixed on the first vertical plate and the second vertical plate through the circular plate nut, so that the first vertical plate and the second vertical plate are connected, and the stepped shaft shoulder is favorable for clamping the pin shaft on the first vertical plate.
Furthermore, the outer side surface of the first vertical plate is provided with a reinforcing rib.
The setting of strengthening rib has improved the intensity of first riser, is favorable to resisting stress concentration, prevents that first riser from warping.
To sum up, the utility model has the advantages that:
the utility model is particularly suitable for the areas with frequent equipment disassembly and assembly transition and serious corrosion on the sea wind power construction, as the connection mode of the lower part of the tower body of the tower crane and the foundation by the connection method of the connection lug plate and the pin shaft combination; the design avoids the problems of complex stress when joints are connected in a tile-holding mode, high risk degree of stress concentration, poor horizontal shear resistance and the like when the joints are used, and also avoids the problems of easy corrosion, frequent replacement and unstable performance of high-strength bolt connection; the design is an open steel plate structure, local reinforcement is simple and convenient, a combined welding seam is mainly used, processing and manufacturing are easy, stress concentration is avoided, special anti-corrosion treatment is not needed, manufacturing and using are safe and economic, and economic and social benefits are obvious; the design has definite stress, no obvious stress concentration of bosses, strong horizontal shearing force capability for resisting strong wind and equipment rotation; the design is convenient to manufacture and transport, the structure is stable, and the pin shaft is only arranged on the lower seat plate during transportation; the design has the advantages of simple structure, convenient maintenance, quick installation, low manufacturing and using cost and safe use.
Drawings
Fig. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a front view of the structure of the connecting body of the present invention;
FIG. 3 is a side view of the structure of the middle connection body of the present invention;
fig. 4 is a partial structural plan view of the middle connector of the present invention.
In the figure: 1. a lower seat plate; 2. a first vertical plate; 3. a pin shaft; 4. a second vertical plate; 5. an upper seat plate; 6. reinforcing ribs; 7. a circular plate nut; 8. a circular hole.
Detailed Description
Example 1:
as shown in fig. 1-4, a tower body foundation connection structure of an offshore wind power hoisting tower crane comprises four groups of connectors with the same structure, each group of connectors comprises a lower seat plate 1, two vertical first vertical plates 2 arranged in parallel vertically are vertically arranged on the upper surface of the lower seat plate 1, an upper seat plate 5 is horizontally arranged above the first vertical plates 2, two vertical second vertical plates 4 arranged in parallel vertically are vertically arranged on the lower surface of the upper seat plate 5, the two second vertical plates 4 are downwards inserted between the two first vertical plates 2, the two first vertical plates 2 and the two second vertical plates 4 are arranged in parallel, a pin shaft 3 is connected between the two first vertical plates 2, and the pin shaft 3 sequentially passes through one of the first vertical plates 2, the two second vertical plates 4 and the other first vertical plate 2; the axes of the pin shafts 3 between the adjacent connecting bodies are arranged in a 90-degree staggered manner, so that the horizontal force of the tower crane and the pulling and pressing force transmitted by the main chord member can be borne. The upper seat plate 5 is connected with a chord member of the tower crane, and the lower seat plate 1 is arranged on the plane of a machine table of the tower crane.
The working principle and the process are as follows:
through the connection method of connecting otic placode and round pin axle 3 combination, as the connection pattern of tower machine tower body lower part and basis, fix bedplate 1 down on tower machine board plane, link together bedplate 5 and bedplate 1 down through first riser 2 and second riser 4, the chord member of tower machine is connected to bedplate 5 up, first riser 2 is articulated through round pin axle 3 with second riser 4 and adjacent connector round pin axle 3 axis is 90 degrees staggered arrangement, can bear the drawing of tower machine each direction horizontal shear force and main chord member transmission, pressure, the potential safety hazard has been eliminated, economy and practicality, and overall structure is simple, and easy to maintain, the installation is swift, the structure is also more stable.
In another embodiment of the present invention, the first vertical plate 2 and the second vertical plate 4 are made of thick steel plate, the first vertical plate 2 is welded on the lower seat plate 1, the second vertical plate 4 is welded on the upper seat plate 5, and the welding structure of the welding manner is one of fillet welding or combination welding.
The welding mode of fillet welding or combined welding is adopted, so that stress concentration caused by butt welding and complex structure is avoided, the manufacturing process is simplified, and the problems of high replacing cost and easy rusting of high-strength bolts are also avoided.
In another embodiment of the present invention, as shown in fig. 2, the width of first riser 2 is greater than the width of second riser 4.
The width of first riser 2 is greater than the width of second riser 4, is favorable to providing more stable holding power, reduces stress concentration, disperses second riser 4 to the whole decurrent pressure of first riser 2.
In another embodiment of the present invention, as shown in fig. 1, the first vertical plate 2 and the second vertical plate 4 are both provided with a circular hole 8 for passing through the pin 3.
The round hole 8 facilitates the setting and installation of the pin shaft 3.
In another embodiment of the present invention, as shown in fig. 2, the first vertical plate 2 and the second vertical plate 4 are both triangular structures, one end of the first vertical plate 2 away from the lower seat plate 1 is arc-shaped, and one end of the second vertical plate 4 away from the upper seat plate 5 is arc-shaped.
The setting of circular-arc structure can prevent that second riser 4 from appearing the card in the rotation process and mixing the phenomenon of wearing and tearing, and first riser 2 and second riser 4 of triangle-shaped structure both save material, and the structure is also more stable.
In another embodiment of the utility model, as shown in fig. 2 and 3, there is the echelonment shaft shoulder in 3 one end of round pin axle, and the other end passes round hole 8 on first riser 2 and the second riser 4 and is equipped with plectane nut 7, and non-draw-in groove ends the axle plate type, dismantles, simple installation.
Fix round pin axle 3 on first riser 2 and second riser 4 through plectane nut 7, realize the connection of first riser 2 and second riser 4, the echelonment shaft shoulder is favorable to establishing round pin axle 3 card on first riser 2.
In another embodiment of the present invention, as shown in fig. 2 and 3, the outer side surface of the first vertical plate 2 is provided with a reinforcing rib 6. Be equipped with two vertical strengthening ribs 6 on every first riser 2, 6 lower extremes of strengthening rib are connected with bedplate 1 down, and strengthening rib 6 is as an organic whole with the shaping of first riser 2.
The setting of strengthening rib 6 has improved the intensity of first riser 2, is favorable to resisting stress concentration, prevents that first riser 2 from warping.
The utility model discloses a succinct configuration type, simple manufacturing process, realized the good stress state of offshore wind power tower machine, simple and convenient maintenance procedure and economic manufacturing result of use, the equipment manufacturing degree of difficulty obviously reduces, take 300 tons of offshore wind power tower machine foundations of a lifting capacity as an example, use the joint to embrace the tile and connect, 4 group joint cost takes 3 ten thousand yuan, embrace the tile cost and take 3 ten thousand yuan, 4 years change once, equipment is according to 20 years life, change 5 times and total and embrace the tile cost and take 15 ten thousand yuan, I type welding seam welding manufacturing cost 2 ten thousand yuan, welding seam detection cost 0.2 ten thousand yuan/year, 20 years total cost 27 ten thousand yuan; the flange is connected by using high-strength bolts, the manufacturing cost of the flange is 3 ten thousand yuan, the cost of 32 bolts is 0.25 ten thousand yuan, four tower drums are installed each month, the bolts are replaced for 1 time according to 4 times of transition, the bolt cost is 0.25 ten thousand yuan each month, the bolt cost is 3 ten thousand yuan each year, the bolts of the equipment need to be replaced for 240 times according to the service life of 20 years, the bolt cost is 60 ten thousand yuan, and the total cost is 63 ten thousand yuan; the utility model discloses, otic placode manufacturing cost 3.5 ten thousand yuan, round pin axle manufacturing cost 3.5 ten thousand yuan, total 7 ten thousand yuan, exempt from to change lifelong, an equipment full life cycle saving cost more than 20-50 ten thousand yuan, the security improves greatly simultaneously, the expense obviously reduces, economic benefits and social are showing.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled 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; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. The tower body foundation connecting structure of the offshore wind power hoisting tower crane is characterized by comprising four groups of connecting bodies with the same structure, wherein each group of connecting bodies comprises a lower seat plate, two first vertical plates which are vertically arranged in parallel are vertically arranged on the upper surface of the lower seat plate, an upper seat plate is horizontally arranged above the first vertical plates, two second vertical plates which are vertically arranged in parallel are vertically arranged on the lower surface of the upper seat plate, the two second vertical plates are downwards inserted between the two first vertical plates, the two first vertical plates and the two second vertical plates are arranged in parallel, a pin shaft is connected between the two first vertical plates, and the pin shaft sequentially penetrates through one first vertical plate, the two second vertical plates and the other first vertical plate; the axes of the pin shafts between the adjacent connectors are staggered at 90 degrees; the upper seat plate is connected with a chord member of the tower crane, and the lower seat plate is arranged on the plane of a machine table of the tower crane.
2. The offshore wind power hoisting tower body foundation connection structure of claim 1, wherein the first vertical plate and the second vertical plate are made of thick steel plates, the first vertical plate is welded on the lower base plate, the second vertical plate is welded on the upper base plate, and the welding structure of the welding mode is one of fillet welding or combined welding.
3. The offshore wind power hoisting tower body foundation connection structure of claim 1, wherein the width of the first vertical plate is greater than the width of the second vertical plate.
4. The offshore wind power hoisting tower crane tower body foundation connection structure of claim 1, wherein the first vertical plate and the second vertical plate are both provided with round holes for penetrating pin shafts.
5. The offshore wind power hoisting tower body foundation connection structure of claim 1, wherein the first vertical plate and the second vertical plate are both triangular structures, the end of the first vertical plate away from the lower seat plate is arc-shaped, and the end of the second vertical plate away from the upper seat plate is arc-shaped.
6. The offshore wind power hoisting tower body foundation connection structure of claim 4, wherein one end of the pin shaft is provided with a stepped shaft shoulder, and the other end of the pin shaft penetrates through the round holes on the first vertical plate and the second vertical plate and is provided with a circular plate nut.
7. The offshore wind power hoisting tower body foundation connection structure as claimed in any one of claims 1 to 6, wherein the outer side of the first vertical plate is provided with a reinforcing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123336794.3U CN217126747U (en) | 2021-12-27 | 2021-12-27 | Offshore wind power hoisting tower body foundation connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123336794.3U CN217126747U (en) | 2021-12-27 | 2021-12-27 | Offshore wind power hoisting tower body foundation connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217126747U true CN217126747U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123336794.3U Active CN217126747U (en) | 2021-12-27 | 2021-12-27 | Offshore wind power hoisting tower body foundation connection structure |
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|---|---|
| CN (1) | CN217126747U (en) |
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2021
- 2021-12-27 CN CN202123336794.3U patent/CN217126747U/en active Active
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