CN217460243U - Long-acting wear-resisting shock attenuation anti-wind ball-type support - Google Patents
Long-acting wear-resisting shock attenuation anti-wind ball-type support Download PDFInfo
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- CN217460243U CN217460243U CN202221233006.XU CN202221233006U CN217460243U CN 217460243 U CN217460243 U CN 217460243U CN 202221233006 U CN202221233006 U CN 202221233006U CN 217460243 U CN217460243 U CN 217460243U
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Abstract
The utility model relates to the technical field of bridge bearing, aiming at solving the problems that the silicone grease overflow of the lubricating sliding plate is totally caused by dry grinding and horizontal emptying after the existing wind-resistant bearing is vertically placed, and providing a long-acting wear-resistant damping wind-resistant spherical bearing, which comprises an upper support plate, a planar sliding plate, a spherical crown lining plate, a spherical sliding plate, an intermediate steel lining plate and a lower support plate which are sequentially arranged from left to right, wherein the planar sliding plate and the spherical crown lining plate are fixed into a whole, the planar sliding plate and the upper support plate form a sliding pair, a sealing ring is arranged around the planar sliding plate, the planar sliding plate adopts an ultra-high performance polytetrafluoroethylene sliding plate, the intermediate steel lining plate and the spherical sliding plate are fixed into a whole, the spherical sliding plate and the spherical crown lining plate form a rotating pair, the spherical crown lining plate is connected with the intermediate steel lining plate through a connecting piece, and the rotation can be generated between the two, and a first elastic part in a compressed state is arranged between the middle steel lining plate and the lower support plate.
Description
Technical Field
The utility model relates to a bridge beam supports technical field particularly, relates to a long-term wear-resisting shock attenuation anti-wind ball-type support.
Background
With the rapid development of bridge construction technology, the river-crossing, sea-crossing and large bridges with large span are more and more, however, the larger the bridge span is, the more the wind load acting area is, the larger the damage of wind load to the bridge is, especially the full-floating body system bridge. Therefore, the improvement of the wind resistance of the cable-stayed bridge and the suspension bridge, especially the transverse wind resistance of the girder body is an important problem, so that bridge engineers are urgently required to select a support with reasonable structural design and strong wind resistance to meet the actual requirement of the bridge. The wind-resistant supports are generally installed on two sides of a bridge in pairs and are respectively connected with the tower body and the beam body in an anchoring manner, so that the large-distance swing of the beam body in the transverse bridge direction caused by wind power or earthquake force can be effectively limited, and the requirements of the beam body in the longitudinal bridge direction displacement, the transverse displacement, the vertical bridge direction displacement and the rotation angles in all directions can be met. The wind-resistant type support of bridge mainly has wind-resistant basin formula rubber support at present commonly used, wind-resistant ball-type support and with the wind-resistant support of the relevant type of speed etc., the slide of ordinary support needs the silicone grease lubrication, because the support is vertical to be placed, under the action of gravity, the silicone grease will flow dry very fast, make the slide be in the operating condition who dryly grinds, coefficient of friction has been increased, the slide wearing and tearing aggravation, the life of slide has been reduced, and because large-span bridge daily displacement volume is big, the slide wearing and tearing distance of conventional thickness is short, can not adapt to the demand of large-span bridge long distance wearing and tearing. Conventional anti-wind support does not set up elastic construction, and in the support use, along with the change of bridge temperature, there is the condition of breaking away in support plane glide plane, and dust and impurity easily enter into the glide plane of support, will damage the glide plane of support, increase the coefficient of friction on support glide plane, increase the wearing and tearing of support, reduce the life of slide, the internal force of the structure of increase bridge influences the structural safety of bridge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a long-term wear-resisting shock attenuation anti-wind ball-type support to solve because the vertical silicone grease of placing the back lubrication slide of support is dried fast, causes the problem of slide dry grinding and horizontal evacuation.
The utility model discloses an adopt following technical scheme to realize:
the utility model provides a long-term wear-resisting shock attenuation anti-wind ball type support, includes upper bracket board, plane slide, spherical crown welt, spherical surface slide, middle steel liner board and the bottom suspension bedplate that sets gradually from a left side to the right side, the plane slide with the spherical crown welt is fixed as an organic whole, the plane slide with the upper bracket board forms the sliding pair, be equipped with the sealing washer around the plane slide, the plane slide adopts super high performance polytetrafluoroethylene slide, middle steel liner board with the spherical surface slide is fixed as an organic whole, the spherical surface slide with the spherical crown welt forms the revolute pair, the spherical crown welt with middle steel liner board passes through the connecting piece and links to each other, can take place to rotate between the two, middle steel liner board with be equipped with the first elastic component that is in compression state between the bottom suspension bedplate.
The utility model discloses the material of plane slide adopts ultra high performance polytetrafluoroethylene, need not to add the silicone grease, consequently can not cause the problem that the slide dry grinding, can also with the thickness increase of plane slide (plane slide thickness can reach 20 ~ 30mm) to increase the wearing and tearing distance.
Because first elastic component is in compression state, consequently first elastic component has the trend of resumeing deformation, has the elastic action to the middle steel lining board and the undersetting board at its both ends, and the elastic action will middle steel lining board jack-up provides certain jacking force all the time, makes the plane slide with the upper bracket board is all the time hugged closely, provides certain transverse rigidity simultaneously, cushions and the shock attenuation power consumption to horizontal bridge impact load.
The utility model discloses a middle steel liner board with set up the first elastic component that is in compression state between the undersetting board, utilize the spring action of first elastic component, the top is tight middle steel liner board makes the plane slide with the upper bracket board is closely laminated all the time, avoids the glide plane of support to throw off, avoids promptly the plane slide with the horizontal taking off of upper bracket board avoids dust and impurity to get into the glide plane of support to guarantee the structure safety of bridge.
As a preferred technical scheme:
the middle steel lining plate is provided with a first groove, the first elastic piece is located in the first groove, one end of the first elastic piece is connected to the bottom of the first groove, and the other end of the first elastic piece is connected to the lower support plate.
Through set up first recess on the middle steel liner board, hold first elastic component, and will the both ends of first elastic component are connected respectively middle steel liner board lower support plate, full play the elastic action of first elastic component, it is right middle steel liner board plays the supporting role, will the plane slide support tightly in on the upper bracket board for whole compact structure, it is inseparable, improve transverse rigidity simultaneously.
As a preferable technical scheme:
the lower support plate is provided with a cavity, the middle steel lining plate partially extends into the cavity, the middle steel lining plate is provided with a flange, the lower support plate is provided with a limit stop, and the limit stop is abutted to the flange.
The middle steel lining plate is limited and kept in the cavity of the lower support plate through the abutting of the limit stop and the flange.
As a preferred technical scheme:
the limit stop is connected with the lower support plate through a first bolt, and the first bolt can adjust the distance between the limit stop and the lower support plate and the distance between the middle steel lining plate and the lower support plate.
The limit stop is connected with the lower support plate through a first bolt, after the first bolt penetrates through the limit stop, the distance between the limit stop and the lower support plate can be correspondingly adjusted by changing the length of the first bolt screwed into the lower support plate, and after the distance between the limit stop and the lower support plate is changed, the position of the flange can be changed accordingly, namely the first elastic body can be in different compression states and corresponds to different elastic forces, so that the pre-pressing amount of the first elastic body can be adjusted by adjusting the first bolt. The position of the flange is changed along with the change of the position of the middle steel lining plate, so that the distance between the middle steel lining plate and the lower support plate is changed along with the change of the position of the flange.
As a preferred technical scheme:
the first elastic piece is a disc spring or a cylindrical spiral compression spring.
The first elastic piece is pressed to jack the middle steel lining plate, and the plane sliding plate is jacked to be in contact with the upper support plate.
The displacement stroke of the first elastic piece is determined by the loosening degree of a first bolt between the limit stop and the lower support plate, and the support is guaranteed to be in a stable working range.
As a preferred technical scheme:
the disc spring adopts a combination of a plurality of disc springs in a positive buckling or reverse buckling manner, and provides a certain vertical rigidity for the support.
As a preferred technical scheme:
the sealing ring is positioned between the spherical crown lining plate and the upper support plate and is used for sealing the plane sliding plate;
the spherical cap liner plate is provided with a second groove, a second elastic part in a compressed state is arranged in the second groove, one end of the second elastic part is connected to the bottom of the second groove, the other end of the second elastic part is connected to the sealing ring, and the sealing ring is tightly supported on the upper support plate.
Through the second elastic component will the sealing washer support all the time tightly in upper bracket board makes the plane slide remains sealed all the time, even the plane slide is constantly by wearing and tearing, nevertheless because first elastic component will the plane slide support all the time tightly with on the upper bracket board, the second elastic component will the sealing washer support all the time tightly in on the upper bracket board, the sealing washer with the upper bracket board is closely laminated, consequently, the circumference of plane slide is sealed well all the time, has guaranteed the leakproofness of support.
As a preferred technical scheme:
the width of the sealing ring is matched with that of the second groove, and the sealing ring is partially positioned in the second groove.
The sealing ring has a certain allowance, and the plane sliding plate can be better sealed.
As a preferred technical scheme:
the second elastic piece is a cylindrical spiral compression spring.
As a preferred technical scheme:
the second groove is a ring groove, and the cross section of the second groove is circular or square.
The ring groove is a closed ring groove which is connected end to end, the whole shape of the ring groove can be not circular or square, and the section of the ring groove can be circular or square.
As a preferred technical scheme:
a plurality of second elastic pieces are arranged in the second groove, and all the second elastic pieces are uniformly distributed in the second groove at intervals.
The sealing ring is supported by the second elastic bodies and is tightly abutted against the upper support plate.
As a preferable technical scheme:
the connecting piece is a tensile bolt, the spherical cap lining plate is connected with the middle steel lining plate through the tensile bolt, a through hole is formed in the middle steel lining plate, a threaded hole is formed in the spherical cap lining plate, and the tensile bolt penetrates through the through hole and is connected with the threaded hole in a matched mode.
Through the tensile bolt will the spherical cap welt with middle steel welt links to each other, but rigid connection, because the through-hole has been seted up on the middle steel welt, just the tensile bolt passes the through-hole, only with the screw hole cooperation is connected, consequently, still can realize the spherical cap welt with take place to rotate between the middle steel welt, guarantee the spherical surface slide with the revolute pair normal work that the spherical cap welt formed.
As a preferred technical scheme:
the diameter of the through hole is larger than that of the tensile bolt rod part, the diameter of the through hole is smaller than that of the tensile bolt head part, the tensile bolt rod part can smoothly penetrate through the through hole, and after the tensile bolt rod part penetrates through the through hole, the tensile bolt head part is limited outside the middle steel lining plate and cannot enter the through hole.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses the material of plane slide adopts ultra high performance polytetrafluoroethylene, need not to add the silicone grease, consequently can not cause the problem that the slide dry grinding, can also with the thickness increase of plane slide (plane slide thickness can reach 20 ~ 30mm) to increase the wearing and tearing distance.
2. Because first elastic component is in compression state, consequently first elastic component exists the trend that resumes deformation, has the spring action to middle steel liner board and the undersetting board at its both ends, and the spring action will middle steel liner board jack-up provides certain jacking force all the time, makes the plane slide with the upper bracket board is the hug closely all the time, avoids dust and impurity to get into the glide plane of support, guarantees the structural safety of bridge, provides certain transverse rigidity simultaneously, cushions and the shock attenuation power consumption horizontal bridge impact load.
3. The distance between the limit stop and the lower support plate is adjusted through the first bolt, so that the compression amount of the first elastic body is adjusted, and the support is ensured to be positioned in a stable working range.
4. The spherical cap lining plate is connected with the middle steel lining plate through a tensile bolt, so that the middle steel lining plate and the spherical cap lining plate are integrated, and the parts are prevented from falling off while the rotation is kept.
5. Through the second elastic component will the sealing washer support tightly all the time in on the upper bracket board, guarantee the sealing washer with the inseparable laminating of upper bracket board has guaranteed the leakproofness of support.
Drawings
Fig. 1 is a schematic structural view of the long-acting wear-resistant shock-absorbing wind-resistant spherical support of the present invention.
Icon: 1-upper support plate, 2-sealing ring, 3-plane sliding plate, 4-spherical cap lining plate, 5-tensile bolt, 6-spherical sliding plate, 7-middle steel lining plate, 8-limit stop, 9-first elastic piece, 10-lower support plate, 11-first bolt, 12-second elastic piece, 13-cable tower, 14-beam body and 15-flange.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present embodiment provides a long-acting wear-resistant, shock-absorbing and wind-resistant spherical bearing, which includes an upper bearing plate 1, a planar sliding plate 3, a spherical crown lining plate 4, a spherical sliding plate 6, a middle steel lining plate 7 and a lower bearing plate 10, which are sequentially arranged from left to right.
Wherein: the upper support plate 1 comprises a top plate and a plane stainless steel plate which are welded together, and the upper support plate 1 is used for connecting the cable tower 13;
the plane sliding plate 3 and the spherical crown lining plate 4 are fixed into a whole, and the plane sliding plate 3 and the upper support plate 1 form a sliding pair;
the middle steel lining plate 7 and the spherical sliding plate 6 are fixed into a whole, the spherical sliding plate 6 and the spherical crown lining plate 4 form a rotating pair, and the sliding pair and the rotating pair move in a coordinated manner, so that the bearing, rotating and displacement functions of the support are realized;
the circumference of the plane sliding plate 3 is provided with a sealing ring 2, and the sealing ring 2 is connected with the spherical crown lining plate 4 through a second elastic part 12.
The spherical crown lining plate 4 is connected with the middle steel lining plate 7 through the tensile bolt 5, the spherical crown lining plate and the middle steel lining plate can rotate, a first elastic part 9 in a compression state is arranged between the middle steel lining plate 7 and the lower support plate 10, and the lower support plate 10 is used for connecting the beam body 14.
Specifically, the plane sliding plate 3 adopts an ultrahigh-performance polytetrafluoroethylene sliding plate, silicone grease is not required to be coated, the silicone grease can be prevented from seeping and flowing dry under the action of gravity, the sliding plate is guaranteed to be always in a good working state, and the problem of dry grinding of the sliding plate is avoided.
The utility model discloses a will the thickness increase of plane slide 3 (plane slide 3 thickness can reach 20 ~ 30mm) to increase the wearing and tearing distance, can adapt to the demand of large-span bridge long distance wearing and tearing, increase life.
The middle steel lining plate 7 is provided with a first groove, the first elastic piece 9 is positioned in the first groove, one end of the first elastic piece 9 is fixedly connected to the bottom of the first groove, and the other end of the first elastic piece 9 is fixedly connected to the lower support plate 10. The first elastic element 9 is accommodated by providing a first recess in the intermediate steel liner 7.
Because first elastic component 9 is in compression state, consequently first elastic component 9 has the trend of resumeing deformation, has the spring action to the middle steel liner board 7 and the bottom suspension fagging 10 at its both ends, and the spring action will middle steel liner board 7 jack-up promotes the vertical rigidity of support, makes plane slide 3 with top bracket board 1 is sealed all the time, avoids dust and impurity to get into the glide plane of support, guarantees the structural safety of bridge, provides certain transverse rigidity simultaneously, cushions and the shock attenuation power consumption to horizontal bridge impact load.
The lower support plate 10 is provided with a cavity, the middle steel lining plate 7 extends into the cavity, the middle steel lining plate 7 is provided with a flange 15, the lower support plate 10 is provided with a limit stop 8, and the limit stop 8 is abutted to the flange 15. The part of the middle steel lining plate 7 provided with the flange 15 is positioned in the cavity, the limit stop 8 is arranged at the edge position of the opening of the cavity of the lower support plate 10, and the flange 15 on the middle steel lining plate 7 is abutted to limit the middle steel lining plate 7, so that the middle steel lining plate 7 cannot be separated from the lower support plate 10.
The limit stop 8 is connected with the lower support plate 10 through a first bolt 11, the first bolt 11 can adjust the distance between the limit stop 8 and the lower support plate 10, after the first bolt 11 passes through the limit stop 8, by changing the length of the first bolt 11 screwed into the lower seat plate 10, the distance between the limit stopper 8 and the lower seat plate 10 can be adjusted accordingly, and after the distance therebetween is changed, under the action of the elastic force of the first elastic element 9, the position of the flange 15 will change, i.e. the flange 15 will always remain in abutment with the limit stop 8, and, correspondingly, the first elastic body 9 will be in a different compressed state, corresponding to different elastic forces, the preload of the first elastic body 9 can be adjusted by adjusting the first bolt 11, and the required preload is provided when the support is delivered from a factory.
Preferably, the first elastic member 9 is a disc spring, and the disc spring is formed by combining a plurality of disc springs in a positive buckling or negative buckling mode and provides a certain vertical stiffness for the support.
When the disc spring is pressed, the middle steel lining plate 7 can be jacked up, and the plane sliding plate 3 is jacked to be in contact with the upper support plate 1. The displacement stroke of the belleville spring is determined by the loosening degree of the first bolt 11 between the limit stop 8 and the lower support plate 10, and the support is ensured to be in a stable working range.
The sealing ring 2 is positioned between the spherical crown lining plate 4 and the upper support plate 1, and the sealing ring 2 is used for sealing the plane sliding plate 3; the spherical cap lining plate 4 is provided with a second groove which is a ring groove, the cross section of the second groove is circular or square, the ring groove is a closed ring groove which is connected end to end, the whole shape of the ring groove can be not circular or square, and the cross section of the ring groove can be circular or square.
A plurality of second elastic members 12 in a compressed state are arranged in the second groove, one end of each second elastic member 12 is connected to the bottom of the second groove, the other end of each second elastic member 12 is connected to the corresponding sealing ring 2, and the sealing ring 2 is pressed against the upper support plate 1 through the second elastic members 12. All the second elastic elements 12 are evenly spaced in the second groove for evenly supporting the sealing ring 2.
Through the second elastic component 12 will sealing washer 2 support tightly in upper bracket board 1 all the time for plane slide 3 keeps sealed all the time, even plane slide 3 is constantly worn and torn, but because first elastic component 9 will plane slide 3 support tightly all the time with on the upper bracket board 1, second elastic component 12 will sealing washer 2 support tightly all the time on upper bracket board 1, sealing washer 2 with upper bracket board 1 closely laminates, consequently, the circumference of plane slide 3 is sealed well all the time, has guaranteed the leakproofness of support.
Preferably, the width of the sealing ring 2 matches the width of the second groove, the sealing ring 2 is partially located in the second groove, and the sealing ring 2 has a certain margin, so that the planar sliding plate 3 can be better sealed. The sealing ring 2 is annular or square.
Preferably, the second elastic member 12 is a spring, but is not limited to a spring, and may be a member having an elastic expansion function, and the first elastic member 9 may have an elastic expansion function similarly, and is not limited to a disc spring.
The spherical cap lining plate 4 and the middle steel lining plate 7 are connected through the tensile bolt 5, a through hole is formed in the middle steel lining plate 7, a threaded hole is formed in the spherical cap lining plate 4, and the tensile bolt 5 penetrates through the through hole to be connected with the threaded hole in a matched mode. The diameter of the through hole is larger than the diameter of the rod part of the tensile bolt 5, the diameter of the through hole is smaller than the diameter of the head part of the tensile bolt 5, the rod part of the tensile bolt 5 can smoothly penetrate through the through hole, after the through hole is penetrated, the head part of the tensile bolt 5 is limited outside the middle steel lining plate 7 and cannot enter the through hole.
Through tensile bolt 5 will spherical crown welt 4 with middle steel liner 7 links to each other, but rigid connection, because the through-hole has been seted up on middle steel liner 7, just tensile bolt 5 passes the through-hole, only with the screw hole cooperation is connected, consequently, still can realize spherical crown welt 4 with take place to rotate between the middle steel liner 7, guarantee spherical slide 6 with the revolute pair normal work that spherical crown welt 4 formed. And the spherical cap lining plate 4 is connected with the middle steel lining plate 7 through the tensile bolt 5, so that the middle steel lining plate 7 and the spherical cap lining plate 4 are integrated, and the parts can be prevented from falling off while the rotation is kept.
Example 2
This embodiment differs from embodiment 1 in that the disc spring may be replaced with a cylindrical helical compression spring.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a long-term wear-resisting shock attenuation anti-wind ball-type support which characterized in that:
comprises an upper support plate (1), a plane sliding plate (3), a spherical crown lining plate (4), a spherical sliding plate (6), a middle steel lining plate (7) and a lower support plate (10) which are arranged from left to right in sequence, the plane sliding plate (3) and the spherical crown lining plate (4) are fixed into a whole, the plane sliding plate (3) and the upper support plate (1) form a sliding pair, a sealing ring (2) is arranged around the plane sliding plate (3), the plane sliding plate (3) adopts an ultra-high performance polytetrafluoroethylene sliding plate, the middle steel lining plate (7) and the spherical sliding plate (6) are fixed into a whole, the spherical surface sliding plate (6) and the spherical crown lining plate (4) form a revolute pair, the spherical crown lining plate (4) is connected with the middle steel lining plate (7) through a connecting piece, the two can rotate, a first elastic piece (9) in a compressed state is arranged between the middle steel lining plate (7) and the lower support plate (10).
2. The long-acting wear-resistant shock-absorbing wind-resistant spherical bearing according to claim 1, wherein:
the middle steel lining plate (7) is provided with a first groove, the first elastic piece (9) is located in the first groove, one end of the first elastic piece (9) is connected to the bottom of the first groove, and the other end of the first elastic piece (9) is connected to the lower support plate (10).
3. The long-acting wear-resistant shock-absorbing wind-resistant spherical bearing according to claim 2, wherein:
the lower support plate (10) is provided with a cavity, the middle steel lining plate (7) extends into the cavity, the middle steel lining plate (7) is provided with a flange (15), the lower support plate (10) is provided with a limit stop (8), and the limit stop (8) is abutted to the flange (15).
4. The long-acting wear-resistant shock-absorbing wind-resistant spherical bearing according to claim 3, wherein:
the limit stop (8) is connected with the lower support plate (10) through a first bolt (11), and the first bolt (11) can adjust the distance between the limit stop (8) and the lower support plate (10) and the distance between the middle steel lining plate (7) and the lower support plate (10).
5. The long-acting wear-resistant shock-absorbing wind-resistant spherical bearing according to any one of claims 1 to 4, wherein:
the first elastic piece (9) is a disc spring or a cylindrical spiral compression spring.
6. The long-acting wear-resistant shock-absorbing wind-resistant spherical bearing according to any one of claims 1 to 4, wherein:
the sealing ring (2) is positioned between the spherical crown lining plate (4) and the upper support plate (1), and the sealing ring (2) is used for sealing the plane sliding plate (3);
the spherical cap lining plate is characterized in that a second groove is formed in the spherical cap lining plate (4), a second elastic part (12) in a compression state is arranged in the second groove, one end of the second elastic part (12) is connected to the bottom of the second groove, the other end of the second elastic part is connected to the sealing ring (2), and the sealing ring (2) is tightly supported on the upper support plate (1).
7. The long-acting wear-resistant shock-absorbing wind-resistant spherical bearing according to claim 6, wherein:
the width of the sealing ring (2) is matched with that of the second groove, and the part of the sealing ring (2) is located in the second groove.
8. The long-acting wear-resistant shock-absorbing wind-resistant spherical bearing according to claim 6, wherein:
the second groove is a ring groove, and the cross section of the second groove is circular or square.
9. The long-acting wear-resistant shock-absorbing wind-resistant spherical bearing according to claim 8, wherein:
a plurality of second elastic pieces (12) are arranged in the second groove, and all the second elastic pieces (12) are uniformly distributed in the second groove at intervals.
10. The long-acting wear-resistant shock-absorbing wind-resistant spherical bearing according to claim 1, wherein:
the connecting piece is tensile bolt (5), spherical crown welt (4) with middle steel welt (7) pass through tensile bolt (5) are connected, the through-hole has been seted up on middle steel welt (7), set up threaded hole on spherical crown welt (4), tensile bolt (5) pass the through-hole with the screw hole cooperation is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221233006.XU CN217460243U (en) | 2022-05-20 | 2022-05-20 | Long-acting wear-resisting shock attenuation anti-wind ball-type support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221233006.XU CN217460243U (en) | 2022-05-20 | 2022-05-20 | Long-acting wear-resisting shock attenuation anti-wind ball-type support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217460243U true CN217460243U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221233006.XU Active CN217460243U (en) | 2022-05-20 | 2022-05-20 | Long-acting wear-resisting shock attenuation anti-wind ball-type support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217460243U (en) |
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- 2022-05-20 CN CN202221233006.XU patent/CN217460243U/en active Active
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