Central anti-drawing spherical support
By introducing a central pull-out resistance structure into the spherical support, the problem of insufficient pull-out resistance of existing supports under extreme loads is solved, achieving higher pull-out resistance and anti-fall-beam function. The structure is compact and economical.
Patent Information
- Application Number
- CN202423068950.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing spherical bearings have poor pull-out resistance under extreme loads, which can easily lead to the overturning or collapse of bridges or buildings.
Design a central pull-out spherical support, which uses upper and lower support plates and a spherical crown plate, with a pull-out rod installed through the center. The pull-out rod is threadedly connected to the upper and lower pull-out grooves and nuts, and curved and flat sliding plates are combined to enhance the pull-out resistance.
It improves the tensile strength of the bearing, preventing bridges or buildings from overturning or falling under extreme loads. It has a compact structure, good processability and low cost, and excellent rotation performance.
Smart Images
Figure CN223813685U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a support technical field, concretely is a center anti -pulling ball -type support. BACKGROUND
[0002] Ball -type support is mainly used for bridge, building's shock attenuation and load bearing and so on, as one of four big mechanical structure support, through the unique spherical contact surface design makes it become the ideal shock absorber, in bridge engineering, ball -type support can effectively the reaction force and deformation of bridge upper structure reliably pass to lower structure, guarantee the safety and stability of bridge, ball -type support is especially applicable to curved bridge, slope bridge, skew bridge, wide bridge and large -span bridge, and due to its no load -bearing rubber block design, especially applicable to low temperature area, in building structure engineering, ball -type support can provide good support and rotation performance, satisfy the need of structure.
[0003] The existing ball -type support is mostly by the upper support plate, lower support plate and spherical crown plate etc. adopt laminated combination, and the anti -pulling capacity between each layer is poor, and bridge or building under extreme load, is easy to overturn or beam. UTILITY MODEL CONTENT
[0004] The utility model discloses a center anti -pulling ball -type support to solve the problem in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A center anti -pulling ball -type support, including upper support plate, spherical crown plate and lower support plate, be provided with spherical crown plate on the lower support plate, be provided with upper support plate on the spherical crown plate, the lower support plate, spherical crown plate and upper support plate center are installed with center anti -pulling rod in succession, the lower support plate bottom face is seted up with lower anti -pulling recess, the upper support plate top is seted up with upper anti -pulling recess, be provided with lower anti -pulling nut in the lower anti -pulling recess, be provided with upper anti -pulling nut in the upper anti -pulling recess, the upper anti -pulling nut and lower anti -pulling nut are respectively with the upper end and lower end of center anti -pulling rod screw connection, be provided with curved slide between the lower support plate and spherical crown plate, be provided with flat slide between the spherical crown plate and upper support plate.
[0007] As a further scheme of the utility model: the bottom of upper support plate is provided with horizontal limit ring, and the inner wall of horizontal limit ring is tightly matched with the outer wall of lower support plate.
[0008] As a further scheme of the utility model: the lower support plate and spherical crown plate are all installed with sealing ring.
[0009] As a further scheme of the utility model: the recess that is adapted to curved slide is seted up on the lower support plate.
[0010] As a further scheme of the utility model: the groove bottom surface of the upper anti-pulling groove and the groove top surface of the lower anti-pulling groove are both arc surfaces.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1. The support of the utility model adopts the center through anti-pulling structure, has the vertical tensile and compression resistance function simultaneously, the structure is compact and reliable, the part machining is good, and the cost is low.
[0013] 2. The upper and lower anti-pulling bolts and the upper and lower anti-pulling grooves of the utility model adopt the arc surface matching contact, and the rotating performance is good.
[0014] 3. The utility model adopts the center anti-pulling rod through the upper and lower support plates, has the excellent beam falling prevention function, avoids the bridge or building from overturning or beam falling under the extreme load. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structural schematic diagram of the utility model embodiment 1.
[0016] Figure 2 It is the structural schematic diagram of the utility model embodiment 2.
[0017] Figure 3 It is the structural schematic diagram of the utility model embodiment 3.
[0018] 1, upper support plate;1-1, horizontal limiting ring;1-2, upper anti-pulling groove;2, plane slide plate;3, spherical cap plate;4, center anti-pulling rod;5, upper anti-pulling nut;6, lower support plate;6-1, lower anti-pulling groove;7, curved surface slide plate;8, lower anti-pulling nut;9, sealing ring. DETAILED DESCRIPTION
[0019] The technical scheme in the utility model embodiments will be clearly and completely described below in conjunction with the drawings in the utility model embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model. EMBODIMENT
[0020] Please refer to Figure 1The utility model discloses an anti -pulling ball -type support of center, including upper support plate 1, spherical crown board 3 and lower support plate 6, be provided with spherical crown board 3 on lower support plate 6, be provided with upper support plate 1 on spherical crown board 3, lower support plate 6, spherical crown board 3 and upper support plate 1 center upper and lower through -type installation has center anti -pulling rod 4, the bottom surface of lower support plate 6 is set up and is pulled down the recess 6-1, the top surface of upper support plate 1 is set up and is pulled up the recess 1-2, be provided with lower anti -pulling nut 8 in the recess 6-1 of pulling down, be provided with upper anti -pulling nut 5 in the recess 1-2 of pulling up, upper anti -pulling nut 5 and lower anti -pulling nut 8 are respectively with the upper end and lower end screw joint of center anti -pulling rod 4, be provided with curved slide 7 between lower support plate 6 and spherical crown board 3, be provided with plane slide 2 between spherical crown board 3 and upper support plate 1.
[0021] The bottom of the upper support plate 1 is provided with a horizontal limiting ring 1-1, the inner wall of the horizontal limiting ring 1-1 is tightly matched with the outer wall of the lower support plate 6, and the horizontal limiting ring 1-1 prevents relative sliding between the upper support plate 1 and the lower support plate 6, so that the support structure is more stable.
[0022] The lower support plate 6 and the spherical crown board 3 are both provided with a sealing ring 9, the sealing ring 9 can improve the sealing performance between the lower support plate 6 and the spherical crown board 3 and between the spherical crown board 3 and the upper support plate 1, so that the service life of the support is not affected by dust or water.
[0023] The lower support plate 6 is provided with a groove matched with the curved slide 7, and the groove makes the curved slide 7 more stable in installation.
[0024] The groove bottom surface of the upper anti-pulling groove 1-2 and the groove top surface of the lower anti-pulling groove 6-1 are both arc surfaces. Embodiment
[0025] Please refer to Figure 2 The utility model discloses an anti -pulling ball -type support of center, including upper support plate 1, spherical crown board 3 and lower support plate 6, be provided with spherical crown board 3 on lower support plate 6, be provided with upper support plate 1 on spherical crown board 3, lower support plate 6, spherical crown board 3 and upper support plate 1 center upper and lower through -type installation has center anti -pulling rod 4, the bottom surface of lower support plate 6 is set up and is pulled down the recess 6-1, the top surface of upper support plate 1 is set up and is pulled up the recess 1-2, be provided with lower anti -pulling nut 8 in the recess 6-1 of pulling down, be provided with upper anti -pulling nut 5 in the recess 1-2 of pulling up, upper anti -pulling nut 5 and lower anti -pulling nut 8 are respectively with the upper end and lower end screw joint of center anti -pulling rod 4, be provided with curved slide 7 between lower support plate 6 and spherical crown board 3, be provided with plane slide 2 between spherical crown board 3 and upper support plate 1.
[0026] The bottom of the upper support plate 1 is provided with a horizontal limiting ring 1-1, the inner wall of the horizontal limiting ring 1-1 is tightly matched with the outer wall of the lower support plate 6, and the horizontal limiting ring 1-1 prevents relative slipping between the upper support plate 1 and the lower support plate 6, so that the support structure is more stable.
[0027] The lower support plate 6 and the spherical crown plate 3 are both provided with a sealing ring 9, the sealing ring 9 can improve the sealing performance between the lower support plate 6 and the spherical crown plate 3 and between the spherical crown plate 3 and the upper support plate 1, so that the service life of the support is not affected by entering dust or water.
[0028] The lower support plate 6 is provided with a groove matched with the curved sliding plate 7, and the groove makes the curved sliding plate 7 more stable in installation.
[0029] The bottom surface of the upper anti-pulling groove 1-2 is a plane, and the top surface of the lower anti-pulling groove 6-1 is an arc surface. Embodiment
[0030] Please refer to Figure 2 In the embodiment of the utility model, a center anti-pulling spherical support comprises an upper support plate 1, a spherical crown plate 3 and a lower support plate 6, the lower support plate 6 is provided with the spherical crown plate 3, the spherical crown plate 3 is provided with the upper support plate 1, the lower support plate 6, the spherical crown plate 3 and the upper support plate 1 are centrally and vertically installed with a center anti-pulling rod 4, the bottom surface of the lower support plate 6 is provided with a lower anti-pulling groove 6-1, the top surface of the upper support plate 1 is provided with an upper anti-pulling groove 1-2, the lower anti-pulling groove 6-1 is provided with a lower anti-pulling nut 8, the upper anti-pulling groove 1-2 is provided with an upper anti-pulling nut 5, the upper anti-pulling nut 5 and the lower anti-pulling nut 8 are respectively screwed with the upper end and the lower end of the center anti-pulling rod 4, the curved sliding plate 7 is arranged between the lower support plate 6 and the spherical crown plate 3, and the planar sliding plate 2 is arranged between the spherical crown plate 3 and the upper support plate 1.
[0031] The bottom of the upper support plate 1 is provided with a horizontal limiting ring 1-1, the inner wall of the horizontal limiting ring 1-1 is tightly matched with the outer wall of the lower support plate 6, and the horizontal limiting ring 1-1 prevents relative slipping between the upper support plate 1 and the lower support plate 6, so that the support structure is more stable.
[0032] The lower support plate 6 and the spherical crown plate 3 are both provided with a sealing ring 9, the sealing ring 9 can improve the sealing performance between the lower support plate 6 and the spherical crown plate 3 and between the spherical crown plate 3 and the upper support plate 1, so that the service life of the support is not affected by entering dust or water.
[0033] The lower support plate 6 is provided with a groove matched with the curved sliding plate 7, and the groove makes the curved sliding plate 7 more stable in installation.
[0034] The bottom surface of the upper anti-pulling groove 1-2 and the top surface of the lower anti-pulling groove 6-1 are both planes.
[0035] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A central pull-out spherical bearing, comprising an upper bearing plate (1), a spherical crown plate (3), and a lower bearing plate (6), characterized in that: A spherical crown plate (3) is provided on the lower support plate (6), and an upper support plate (1) is provided on the spherical crown plate (3). A central anti-pull rod (4) is installed vertically through the lower support plate (6), the spherical crown plate (3), and the upper support plate (1). A lower anti-pull groove (6-1) is provided on the bottom surface of the lower support plate (6), and an upper anti-pull groove (1-2) is provided on the top surface of the upper support plate (1). A lower anti-pull nut (8) is provided in the lower anti-pull groove (6-1), and an upper anti-pull nut (5) is provided in the upper anti-pull groove (1-2). The upper anti-pull nut (5) and the lower anti-pull nut (8) are threaded to the upper and lower ends of the central anti-pull rod (4), respectively. A curved sliding plate (7) is provided between the lower support plate (6) and the spherical crown plate (3), and a flat sliding plate (2) is provided between the spherical crown plate (3) and the upper support plate (1).
2. The central tensile-resistant spherical support according to claim 1, characterized in that: The bottom of the upper support plate (1) is provided with a horizontal limiting ring (1-1), and the inner wall of the horizontal limiting ring (1-1) is in close contact with the outer wall of the lower support plate (6).
3. A central tensile-resistant spherical support according to claim 1, characterized in that: Sealing rings (9) are installed on both the lower support plate (6) and the spherical crown plate (3).
4. A central tensile-resistant spherical support according to claim 1, characterized in that: The lower support plate (6) has a groove adapted to the curved sliding plate (7).
5. A central tensile-resistant spherical support according to claim 1, characterized in that: The bottom surface of the upper pull-out groove (1-2) and the top surface of the lower pull-out groove (6-1) are both arc-shaped surfaces.