CN213870127U - Split type connecting flange - Google Patents
Split type connecting flange Download PDFInfo
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- CN213870127U CN213870127U CN202022374111.2U CN202022374111U CN213870127U CN 213870127 U CN213870127 U CN 213870127U CN 202022374111 U CN202022374111 U CN 202022374111U CN 213870127 U CN213870127 U CN 213870127U
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- 239000012634 fragment Substances 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000306 component Substances 0.000 description 9
- VQKWAUROYFTROF-UHFFFAOYSA-N arc-31 Chemical compound O=C1N(CCN(C)C)C2=C3C=C4OCOC4=CC3=NN=C2C2=C1C=C(OC)C(OC)=C2 VQKWAUROYFTROF-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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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
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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
- Y02E10/728—Onshore wind turbines
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Abstract
The utility model discloses a burst formula flange, include: the device comprises an upper flange, a lower flange, a fragment connecting device, a flange connecting bolt and a fragment connecting bolt; the upper flange and the lower flange are transversely connected through the slicing connecting bolt, and the upper flange and the lower flange are longitudinally connected through the slicing connecting device and the flange connecting bolt. The utility model provides a flange major diameter transportation restriction problem, can improve fan pylon structure atress, improve the flange joint security.
Description
Technical Field
The utility model belongs to fan pylon equipment connecting piece, specifically say so, relate to a burst formula flange.
Background
The connecting flange for connecting the fan tower is one of important supporting structural members in fan equipment and is a core component for safe and stable operation of a fan. Along with the development of large-scale fans, in order to obtain larger wind power, the height of a hub is larger and larger, the load borne by a fan tower is larger and larger, the requirements and indexes on the volume, materials, technology and transportation of the wind power tower are continuously improved, the diameter of a connecting flange is increased along with the increase of the diameter of the tower, and the diameter of the connecting flange cannot exceed 4.5m generally due to the limitation of transportation conditions; as the high-power fan is gradually marketed, when the connecting flange with the diameter of less than 4.5m is applied to the fan, the fan has the problems of unreasonable stress and poor safety and economy. Therefore, the connecting flange with reasonable structural stress and convenient transportation needs to be researched and developed urgently while the reliability and the stability of the tower drum design are ensured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a burst formula flange has solved the transportation restriction problem of flange major diameter, can improve fan pylon structure atress, improves the flange joint security.
The technical scheme is as follows:
slicing type connecting flange includes: the device comprises an upper flange, a lower flange, a fragment connecting device, a flange connecting bolt and a fragment connecting bolt; the upper flange and the lower flange are transversely connected through the slicing connecting bolt, and the upper flange and the lower flange are longitudinally connected through the slicing connecting device and the flange connecting bolt.
Further, the upper flange includes: flange components of a whole that can function independently, second are gone up to first upper flange components of a whole that can function independently, and first upper flange components of a whole that can function independently includes: the first upper flange transverse plate is provided with a flange connecting through hole, and the first upper flange vertical plate is provided with a slicing connecting through hole; the second upper flange components of a whole that can function independently includes: the second upper flange transverse plate, the second upper flange convex neck, the second upper flange riser, the second upper flange convex neck sets up on the upper portion of second upper flange transverse plate, the second upper flange riser sets up the tip at second upper flange transverse plate, the second upper flange transverse plate is provided with flange joint through-hole, the second upper flange riser is provided with burst joint through-hole, the position of first upper flange riser, second upper flange riser is relative, burst connecting bolt installs in burst joint through-hole.
Further, the lower flange includes: first flange components of a whole that can function independently, second lower flange components of a whole that can function independently, first flange components of a whole that can function independently includes: the first lower flange transverse plate is provided with a flange connecting through hole, and the first lower flange vertical plate is provided with a fragment connecting through hole; the second lower flange split body includes: the second lower flange transverse plate, the second lower flange convex neck, the second lower flange vertical plate and the second limiting boss are arranged, the second lower flange convex neck is arranged at the lower part of the second lower flange transverse plate, the second limiting boss is arranged at the upper part of the second lower flange transverse plate, and the second lower flange vertical plate is arranged at the end part of the second lower flange transverse plate; the second lower flange transverse plate is provided with a flange connecting through hole, the second lower flange vertical plate is provided with a fragment connecting through hole, and the first lower flange vertical plate and the second lower flange vertical plate are opposite in position.
Further, the slicing connecting device is provided with an upper arc-shaped plate and a lower arc-shaped plate, the U-shaped groove is positioned between the upper arc-shaped plate and the lower arc-shaped plate, bayonets are arranged on the upper arc-shaped plate and the lower arc-shaped plate, and the upper arc-shaped plate and the lower arc-shaped plate are provided with flange connecting through holes; the first upper flange transverse plate, the second upper flange transverse plate, the first lower flange transverse plate and the second lower flange transverse plate are positioned in the U-shaped groove, and the first upper flange vertical plate, the second upper flange vertical plate, the first lower flange vertical plate and the second lower flange vertical plate are positioned in the bayonet; the flange connecting bolt is arranged in the flange connecting through hole.
Further, the flange connecting bolts are installed on the flange connecting through holes of the upper arc-shaped plate, the first upper flange transverse plate, the first lower flange transverse plate and the lower arc-shaped plate.
Furthermore, the flange connecting bolts are arranged on the flange connecting through holes of the upper arc-shaped plate, the second upper flange transverse plate, the second lower flange transverse plate and the lower arc-shaped plate.
Furthermore, the slicing connecting device is of an arc-shaped U-shaped groove structure as a whole, the inner surfaces of the upper arc plate and the lower arc plate are respectively provided with a third arc groove, the two third arc grooves are opposite in position, the lower opening of the flange connecting through hole on the upper arc plate is positioned in the third arc groove, and the upper opening of the flange connecting through hole of the lower arc plate is positioned in the third arc groove.
Furthermore, the first upper flange transverse plate and the first upper flange convex neck are arc-shaped plates, and the bottom of the first upper flange convex neck is connected to the upper part of the outer arc-shaped surface of the first upper flange transverse plate; the second upper flange transverse plate and the second upper flange convex neck are arc-shaped plates, and the bottom of the second upper flange convex neck is connected to the upper part of the outer arc-shaped surface of the second upper flange transverse plate; the first lower flange transverse plate, the first lower flange convex neck and the first limiting boss are arc-shaped plates, the top of the first lower flange convex neck is connected to the lower part of the outer arc-shaped surface of the first lower flange transverse plate, and the bottom of the first limiting boss is connected to the upper part of the outer arc-shaped surface of the first lower flange transverse plate; the second lower flange transverse plate, the second lower flange convex neck and the second limiting boss are arc-shaped plates, the top of the second lower flange convex neck is connected to the lower portion of the outer arc-shaped surface of the second lower flange transverse plate, and the bottom of the second limiting boss is connected to the upper portion of the outer arc-shaped surface of the second lower flange transverse plate.
Further, a first arc groove is formed in the first lower flange transverse plate, and an upper opening of the flange connecting through hole is located in the first arc groove; the second lower flange transverse plate is provided with a second arc groove, and an upper opening of the flange connecting through hole is positioned in the second arc groove.
Furthermore, the front end arc-shaped side surface of the first upper flange transverse plate is positioned on the inner side of the first limiting boss, and the front end arc-shaped side surface of the second upper flange transverse plate is positioned on the inner side of the second limiting boss.
Compared with the prior art, the utility model have following advantage:
the utility model can improve the stress of the fan tower structure and improve the safety of flange connection; the optimized improvement of the arc groove is added on the contact surface of the upper flange and the lower flange, so that more pre-tightening force can be stored in the flange connecting bolt, and the anti-loosening performance of the bolt is improved; through the limiting arrangement (the first limiting boss and the second limiting boss) of the lower flange, the upper flange is prevented from being twisted under the action of wind load, and the shear stress of the flange connecting bolt is reduced.
The structure of traditional flange has been changed to burst formula flange, changes overall structure into split type structure, and the flange components of a whole that can function independently passes through burst connecting device and connects, and the pretightning force that provides one for the flange joint bolt at connection position is provided in the first arc groove, the second arc groove of lower flange, burst connecting device's third arc groove, has improved the joint strength, security and the wholeness of upper flange, lower flange, and split type connection has solved the flange major diameter transportation restriction problem.
Drawings
FIG. 1 is a schematic structural view of a center-splitting type connecting flange of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the center-split type connecting flange according to the present invention;
fig. 3 is a schematic structural view of the upper flange 1 of the present invention;
FIG. 4 is a longitudinal sectional view of a first upper flange split of the present invention;
FIG. 5 is a schematic structural view of the lower and middle flanges of the present invention;
FIG. 6 is a longitudinal sectional view of a first lower flange split of the present invention;
fig. 7 is a schematic structural diagram of the slice connecting device of the present invention;
fig. 8 is a longitudinal sectional view of the center-split connector of the present invention.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
As shown in fig. 1, is a schematic structural view of the center-splitting type connecting flange of the present invention. As shown in fig. 2, it is a longitudinal sectional view of the center-split type connecting flange of the present invention.
Slicing type connecting flange, its structure includes: the device comprises an upper flange 1, a lower flange 2, a slicing connecting device 3, a flange connecting bolt 4 and a slicing connecting bolt 5. The upper flange 1 and the lower flange 2 are transversely connected through a slicing connecting bolt 5, and the upper flange 1 and the lower flange 2 are longitudinally connected through a slicing connecting device 3 and a flange connecting bolt 4.
As shown in fig. 3, it is a schematic structural diagram of the upper flange 1 in the present invention; as shown in fig. 4, a longitudinal section of the first upper flange split 11 of the present invention is shown.
The upper flange 1 includes: the first upper flange split body 11 and the second upper flange split body 12 are connected through the slicing connecting bolt 5.
The first upper flange division body 11 includes: first upper flange diaphragm 111, first upper flange tang 112, first upper flange riser 113, first upper flange tang 112 sets up the upper portion at first upper flange diaphragm 111, and first upper flange riser 113 sets up the tip at first upper flange diaphragm 111, and first upper flange diaphragm 111, first upper flange tang 112, first upper flange riser 113 interconnect have increased first upper flange components of a whole that can function independently 11's wholeness and intensity. First upper flange diaphragm 111, first upper flange tang 112 are the arc, and the bottom of first upper flange tang 112 is connected on the outside arcwall face upper portion of first upper flange diaphragm 111, and first upper flange diaphragm 111 is provided with a plurality of flange connecting through-holes 6, and first upper flange riser 113 is provided with burst connecting through-hole 7.
The second upper flange division body 12 includes: the second upper flange transverse plate 121, the second upper flange convex neck 122 and the second upper flange vertical plate 123, the second upper flange convex neck 122 is arranged on the upper portion of the second upper flange transverse plate 121, the second upper flange vertical plate 123 is arranged on the end portion of the second upper flange transverse plate 121, the second upper flange convex neck 122 and the second upper flange vertical plate 123 are connected with each other, and the integrity and the strength of the second upper flange split body 12 are improved. The second upper flange transverse plate 121 and the second upper flange convex neck 122 are arc-shaped plates, the bottom of the second upper flange convex neck 122 is connected to the upper portion of the outer arc-shaped surface of the second upper flange transverse plate 121, the second upper flange transverse plate 121 is provided with a plurality of flange connecting through holes 6, the second upper flange vertical plate 123 is provided with a fragment connecting through hole 7, and the positions of the first upper flange vertical plate 113 and the second upper flange vertical plate 123 are opposite. The slicing connecting bolt 5 is arranged in the slicing connecting through hole 7 of the first upper flange split body 11 and the second upper flange split body 12.
As shown in fig. 5, is a schematic structural view of the middle and lower flanges 2 of the present invention. As shown in fig. 6, a longitudinal sectional view of the first lower flange split body 21 according to the present invention is shown.
The lower flange 2 includes: the first lower flange split body 21 and the second lower flange split body 22 are connected through the split connecting bolts 5.
The first lower flange split 21 includes: the first lower flange transverse plate 211, the first lower flange convex neck 212, the first lower flange vertical plate 213 and the first limit boss 214, the first lower flange convex neck 212 is arranged at the lower part of the first lower flange transverse plate 211, the first limit boss 214 is arranged at the upper part of the first lower flange transverse plate 211, the first lower flange vertical plate 213 is arranged at the end part of the first lower flange transverse plate 211, and the first lower flange transverse plate 211, the first lower flange convex neck 212 and the first lower flange vertical plate 213 are connected with each other, so that the integrity and the strength of the first lower flange split body 21 are increased. The first lower flange transverse plate 211, the first lower flange convex neck 212 and the first limiting boss 214 are arc-shaped plates, the top of the first lower flange convex neck 212 is connected to the lower part of the outer arc-shaped surface of the first lower flange transverse plate 211, the bottom of the first limiting boss 214 is connected to the upper part of the outer arc-shaped surface of the first lower flange transverse plate 211, the first lower flange transverse plate 211 is provided with a plurality of flange connecting through holes 6, and the first lower flange vertical plate 213 is provided with a fragment connecting through hole 7; the first lower flange transverse plate 211 is provided with a first arc groove 215, and an upper opening of the flange connection through hole 6 is located in the first arc groove 215.
The second lower flange sub-body 22 includes: the second lower flange transverse plate 221, the second lower flange convex neck 222, the second lower flange vertical plate 223 and the second limiting boss 224 are arranged, the second lower flange convex neck 222 is arranged at the lower portion of the second lower flange transverse plate 221, the second limiting boss 224 is arranged at the upper portion of the second lower flange transverse plate 221, the second lower flange vertical plate 223 is arranged at the end portion of the second lower flange transverse plate 221, and the second lower flange transverse plate 221, the second lower flange convex neck 222 and the second lower flange vertical plate 223 are connected with each other, so that the integrity and the strength of the second lower flange split body 22 are improved. The second lower flange transverse plate 221, the second lower flange convex neck 222 and the second limiting boss 224 are arc-shaped plates, the top of the second lower flange convex neck 222 is connected to the lower portion of the outer arc-shaped surface of the second lower flange transverse plate 221, the bottom of the second limiting boss 224 is connected to the upper portion of the outer arc-shaped surface of the second lower flange transverse plate 221, the second lower flange transverse plate 221 is provided with a plurality of flange connecting through holes 6, and the second lower flange vertical plate 223 is provided with a slicing connecting through hole 7; the second lower flange transverse plate 221 is provided with a second arc groove 225, and an upper opening of the flange connecting through hole 6 is located in the second arc groove 225. The split connecting bolts 5 are installed in the split connecting through holes 7 of the first lower flange split body 21 and the second lower flange split body 22.
Fig. 7 is a schematic structural diagram of the middle fragment connecting device 3 according to the present invention. Fig. 8 is a longitudinal sectional view of the middle fragment connecting device 3 according to the present invention.
The first upper flange transverse plate 111, the second upper flange transverse plate 121, the first lower flange transverse plate 211 and the second lower flange transverse plate 221 are located in the U-shaped groove 35, and the first upper flange vertical plate 113, the second upper flange vertical plate 123, the first lower flange vertical plate 213 and the second lower flange vertical plate 223 are located in the bayonet 33.
On the flange connecting through holes 6 of the upper arc plate 31, the first upper flange transverse plate 111, the first lower flange transverse plate 211 and the lower arc plate 32, the flange connecting bolts 4 are all installed on the flange connecting through holes 6 of the upper arc plate 31, the second upper flange transverse plate 121, the second lower flange transverse plate 221 and the lower arc plate 32.
The use method of the split type connecting flange specifically comprises the following steps:
step 1: selecting the position of an upper flange 1 on the upper tower barrel of the fan tower, respectively welding a first upper flange split body 11, a first upper flange convex neck 112 and a second upper flange convex neck 122 of a second upper flange split body 12 with the upper tower barrel of the fan tower, aligning and attaching a first upper flange vertical plate 113 and a second upper flange vertical plate 123, and installing the fragment connecting bolts 5 in two fragment connecting through holes 7;
after the first upper flange split bodies 11 and the second upper flange split bodies 12 are welded, a complete upper flange 1 is formed on the tower drum at the upper section of the fan tower frame through the connection of the split connecting bolts 5.
Step 2: selecting the position of a lower flange 2 on a lower tower of a fan tower, welding a first lower flange split body 21, a first lower flange convex neck 212 and a second lower flange convex neck 222 of a second lower flange split body 22 with the lower tower of the fan tower respectively, aligning and attaching a first lower flange vertical plate 213 and a second lower flange vertical plate 223, and installing the slicing connecting bolts 5 in two slicing connecting through holes 7;
after the first lower flange split bodies 21 and the second lower flange split bodies 22 are welded, a complete lower flange 2 is formed on the tower drum at the lower section of the fan tower through the connection of the split connecting bolts 5.
And step 3: after the fan tower upper section tower barrel and the fan tower lower section tower barrel are assembled, the first upper flange transverse plate 111 and the second upper flange transverse plate 121 are respectively aligned and attached to the first lower flange transverse plate 211 and the second lower flange transverse plate 221, the slicing connecting device 3 is installed, the first upper flange transverse plate 111, the second upper flange transverse plate 121, the first lower flange transverse plate 211 and the second lower flange transverse plate 221 are inserted into the U-shaped groove 35, the first upper flange vertical plate 113, the second upper flange vertical plate 123, the first lower flange vertical plate 213 and the second lower flange vertical plate 223 are inserted into the bayonet 33, the flange connecting bolts 4 are installed in the flange connecting through holes 6, the upper flange 1 and the lower flange 2 are connected, and the connection of the fan tower upper section tower barrel and the fan tower lower section tower barrel is realized.
The first upper flange vertical plate 113 and the second upper flange vertical plate 123 (the first lower flange vertical plate 213 and the second lower flange vertical plate 223) are arranged on the left side, and the flange connecting bolt 4 is arranged on the flange connecting through hole 6 of the upper arc-shaped plate 31, the first upper flange transverse plate 111, the first lower flange transverse plate 211 and the lower arc-shaped plate 32; the flange connecting bolts 4 are mounted on the flange connecting through holes 6 of the upper arc-shaped plate 31, the second upper flange transverse plate 121, the second lower flange transverse plate 221 and the lower arc-shaped plate 32 on the right sides of the first upper flange vertical plate 113 and the second upper flange vertical plate 123 (the first lower flange vertical plate 213 and the second lower flange vertical plate 223).
The front end arc side of the first upper flange transverse plate 111 is located on the inner side of the first limit boss 214, the front end arc side of the second upper flange transverse plate 121 is located on the inner side of the second limit boss 224, so that the upper flange 1 and the lower flange 2 are prevented from forming relative displacement under the action of wind load, the shear stress generated on the flange connecting bolt 7 is avoided, and the safety is improved.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A split type connecting flange, comprising: the device comprises an upper flange, a lower flange, a fragment connecting device, a flange connecting bolt and a fragment connecting bolt; the upper flange and the lower flange are transversely connected through the slicing connecting bolt, and the upper flange and the lower flange are longitudinally connected through the slicing connecting device and the flange connecting bolt.
2. The split coupling flange as claimed in claim 1, wherein the upper flange comprises: flange components of a whole that can function independently, second are gone up to first upper flange components of a whole that can function independently, and first upper flange components of a whole that can function independently includes: the first upper flange transverse plate is provided with a flange connecting through hole, and the first upper flange vertical plate is provided with a slicing connecting through hole; the second upper flange components of a whole that can function independently includes: the second upper flange transverse plate, the second upper flange convex neck, the second upper flange riser, the second upper flange convex neck sets up on the upper portion of second upper flange transverse plate, the second upper flange riser sets up the tip at second upper flange transverse plate, the second upper flange transverse plate is provided with flange joint through-hole, the second upper flange riser is provided with burst joint through-hole, the position of first upper flange riser, second upper flange riser is relative, burst connecting bolt installs in burst joint through-hole.
3. The split connecting flange as claimed in claim 2, wherein the lower flange comprises: first flange components of a whole that can function independently, second lower flange components of a whole that can function independently, first flange components of a whole that can function independently includes: the first lower flange transverse plate is provided with a flange connecting through hole, and the first lower flange vertical plate is provided with a fragment connecting through hole; the second lower flange split body includes: the second lower flange transverse plate, the second lower flange convex neck, the second lower flange vertical plate and the second limiting boss are arranged, the second lower flange convex neck is arranged at the lower part of the second lower flange transverse plate, the second limiting boss is arranged at the upper part of the second lower flange transverse plate, and the second lower flange vertical plate is arranged at the end part of the second lower flange transverse plate; the second lower flange transverse plate is provided with a flange connecting through hole, the second lower flange vertical plate is provided with a fragment connecting through hole, and the first lower flange vertical plate and the second lower flange vertical plate are opposite in position.
4. The connecting flange according to claim 3, wherein the connecting device is provided with an upper arc plate and a lower arc plate, the U-shaped groove is positioned between the upper arc plate and the lower arc plate, the upper arc plate and the lower arc plate are provided with bayonets, and the upper arc plate and the lower arc plate are provided with flange connecting through holes; the first upper flange transverse plate, the second upper flange transverse plate, the first lower flange transverse plate and the second lower flange transverse plate are positioned in the U-shaped groove, and the first upper flange vertical plate, the second upper flange vertical plate, the first lower flange vertical plate and the second lower flange vertical plate are positioned in the bayonet; the flange connecting bolt is arranged in the flange connecting through hole.
5. The connecting flange as claimed in claim 4, wherein the flange connecting bolts are installed on the flange connecting through holes of the upper arc plate, the first upper flange cross plate, the first lower flange cross plate and the lower arc plate.
6. The connecting flange as claimed in claim 4, wherein the flange connecting bolts are installed on the flange connecting through holes of the upper arc plate, the second upper flange cross plate, the second lower flange cross plate and the lower arc plate.
7. The connecting flange as claimed in claim 4, wherein the connecting means has a U-shaped groove structure with an overall arc shape, the inner surfaces of the upper and lower arc plates are respectively provided with a third arc groove, two third arc grooves are opposite, the lower opening of the flange connecting through hole of the upper arc plate is located in the third arc groove, and the upper opening of the flange connecting through hole of the lower arc plate is located in the third arc groove.
8. The connecting flange as claimed in claim 4, wherein the first upper flange transverse plate and the first upper flange protruding neck are arc-shaped plates, and the bottom of the first upper flange protruding neck is connected to the upper part of the outer arc-shaped surface of the first upper flange transverse plate; the second upper flange transverse plate and the second upper flange convex neck are arc-shaped plates, and the bottom of the second upper flange convex neck is connected to the upper part of the outer arc-shaped surface of the second upper flange transverse plate; the first lower flange transverse plate, the first lower flange convex neck and the first limiting boss are arc-shaped plates, the top of the first lower flange convex neck is connected to the lower part of the outer arc-shaped surface of the first lower flange transverse plate, and the bottom of the first limiting boss is connected to the upper part of the outer arc-shaped surface of the first lower flange transverse plate; the second lower flange transverse plate, the second lower flange convex neck and the second limiting boss are arc-shaped plates, the top of the second lower flange convex neck is connected to the lower portion of the outer arc-shaped surface of the second lower flange transverse plate, and the bottom of the second limiting boss is connected to the upper portion of the outer arc-shaped surface of the second lower flange transverse plate.
9. The connecting flange as claimed in claim 4, wherein the first lower flange transverse plate is provided with a first arc groove, and the upper opening of the flange connecting through hole is located in the first arc groove; the second lower flange transverse plate is provided with a second arc groove, and an upper opening of the flange connecting through hole is positioned in the second arc groove.
10. The split attachment flange of claim 4 wherein the front arcuate side of the first upper flange cross plate is positioned inboard of the first limit tab and the front arcuate side of the second upper flange cross plate is positioned inboard of the second limit tab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022374111.2U CN213870127U (en) | 2020-10-22 | 2020-10-22 | Split type connecting flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022374111.2U CN213870127U (en) | 2020-10-22 | 2020-10-22 | Split type connecting flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213870127U true CN213870127U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022374111.2U Active CN213870127U (en) | 2020-10-22 | 2020-10-22 | Split type connecting flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213870127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253395A (en) * | 2020-10-22 | 2021-01-22 | 唐山文丰重工有限公司 | Split type connecting flange and using method thereof |
-
2020
- 2020-10-22 CN CN202022374111.2U patent/CN213870127U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253395A (en) * | 2020-10-22 | 2021-01-22 | 唐山文丰重工有限公司 | Split type connecting flange and using method thereof |
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Effective date of registration: 20240117 Address after: 063200 east of Tonggang logistics project and south of Hongyuan Road, Caofeidian equipment manufacturing park, Tangshan City, Hebei Province Patentee after: Tangshan Wenfeng Heavy Industry Co.,Ltd. Address before: 063200 east of Tonggang logistics project and south of Hongyuan Road, Caofeidian equipment manufacturing park, Tangshan City, Hebei Province Patentee before: Tangshan Wenfeng Heavy Industry Co.,Ltd. Patentee before: Shanxi Chengye Forging Co.,Ltd. |