Concentric rotating spherical support

Abstract

The utility model discloses a concentric rotating spherical support. The concentric rotating spherical support comprises an upper support plate and a lower support plate, according to the concentric rotating spherical support, an upper support plate comprises an upper plate and an anti-pulling ring, the anti-pulling ring is fixedly connected to the bottom face of the upper plate, a lower support plate comprises a bottom plate and an anti-pulling flange, the circumference of the anti-pulling flange is fixedly connected to the edge of the top of the bottom plate, and a notch matched with the anti-pulling flange is formed in the anti-pulling ring; a spherical crown lining plate matched with the lower support plate is arranged above the top of the lower support plate, the spherical crown lining plate is arranged in the upper support plate, the binding face of the anti-pulling ring and the anti-pulling flange is an R1 curved face, the bottom face of the spherical crown lining plate is an R2 curved face, the circumferential curve of the R1 and the circumferential curve of the R2 are provided with a concentric point O. The upper support plate and the lower support plate are connected through opposite insertion and rotation of the anti-pulling ring and the anti-pulling flange. The anti-pulling ring and the anti-pulling flange are staggered to form connection, so that the spherical crown lining plate is connected and limited in the upper support plate and the lower support plate, the rotary supporting and anti-pulling effects are achieved, bolt fixing is not needed, and direct plug-in rotation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ball type support, specifically concentric rotation ball type support. BACKGROUND

[0002] Beam is one of lifeline projects, and its seismic performance determines the efficiency of earthquake relief and post-disaster reconstruction. The support is one of the main components of the bridge and the building, and is an important device for improving the seismic performance of the structure. Common supports mainly include plate rubber support, basin rubber support, ball support, lead rubber support, high-damping rubber support and friction pendulum support. Among them, the ball support is widely used because of its large bearing capacity, good durability and good economy.

[0003] The ball support needs to bear a lot of pressure and also bear vertical tension. The existing ball support includes an upper support plate, a lower support plate and a spherical crown lining plate. The upper support plate and the lower support plate are buckled together to resist tension. However, the buckling and fixing of the existing upper support plate and lower support plate usually need to be matched with a bolt fixed limiting ring for installation to resist tension. However, in order to meet the rotation function, a certain gap is provided in the limiting ring, so that there is a gap problem in the tension and pressure working change process of the support. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a concentric rotation ball support to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A concentric rotation ball support includes an upper support plate and a lower support plate. The lower support plate is arranged below the upper support plate. The upper support plate includes an upper plate and a tension ring. The tension ring is fixedly connected to the bottom surface of the upper plate. The lower support plate includes a bottom plate and a tension flange. The tension flange is fixedly connected to the top edge of the bottom plate. A notch is arranged on the tension ring and matched with the tension flange. A spherical crown lining plate is arranged above the top of the lower support plate and matched with the lower support plate. The spherical crown lining plate is arranged inside the upper support plate.

[0007] As a further scheme of the utility model, the contact surface of the tension ring and the tension flange is an R1 curved surface. The bottom surface of the spherical crown lining plate is an R2 curved surface. The R1 and R2 circumferential curves have a common point O.

[0008] As a further scheme of the utility model, the inner wall of the tension ring is an R3 curved surface. The side wall of the tension flange is an R4 curved surface. R3 = R4.

[0009] As a further scheme of the utility model: the top surface of the spherical cap lining plate is embedded with a plane sliding plate, the plane sliding plate is movably attached to the top inner wall of the upper support plate, the outer side of the spherical cap lining plate corresponding to the plane sliding plate is embedded with a plane sealing ring, the plane sealing ring is arranged between the spherical cap lining plate and the inner wall of the upper support plate, and grooves for embedding the plane sealing ring and the plane sliding plate are formed on the spherical cap lining plate.

[0010] As a further scheme of the utility model: the top surface of the spherical cap lining plate is embedded with a plane sliding plate, the plane sliding plate is movably attached to the top inner wall of the upper support plate, the outer side of the spherical cap lining plate corresponding to the plane sliding plate is embedded with a plane sealing ring, the plane sealing ring is arranged between the spherical cap lining plate and the inner wall of the upper support plate, and grooves for embedding the plane sealing ring and the plane sliding plate are formed on the spherical cap lining plate.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. In the utility model, the upper support plate and the lower support plate are connected by the anti-pulling ring and the anti-pulling flange, the anti-pulling ring and the anti-pulling flange are connected by being misaligned, the spherical cap lining plate is limited in the upper support plate and the lower support plate, the rotation support and the anti-pulling effect are achieved, the bolt fixing is not needed, and the anti-pulling ring and the anti-pulling flange are directly connected by being inserted and rotated, so that the assembly is convenient.

[0013] 2. In the utility model, the spherical center of the spherical cap lining plate is located at the same point as the attachment surface of the anti-pulling ring and the anti-pulling flange, the vertical rotation function of the spherical support is achieved, and the spherical support is characterized by gaplessly bearing the vertical pulling force.

[0014] 3. In the utility model, the inner wall of the anti-pulling ring of the upper support plate is in arc line close cooperation with the outer wall of the anti-pulling flange of the lower support plate, the horizontal load bearing function of the spherical support is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of a concentric rotation spherical support.

[0016] Fig. 2 It is a display view of a lower support plate in a concentric rotation spherical support.

[0017] Fig. 3 It is a display view of an upper support plate in a concentric rotation spherical support.

[0018] In the drawing: 1, upper support plate; 1-1, upper plate; 1-2, anti-pulling ring; 2, plane sealing ring; 3, plane sliding plate; 4, curved surface sealing ring; 5, spherical cap lining plate; 6, curved surface sliding plate; 7, lower support plate; 7-1, bottom plate; 7-2, anti-pulling flange. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0020] Please refer to Figs. 1-3 In the embodiments of the utility model, a concentric rotating ball type support comprises an upper support plate 1 and a lower support plate 7, the lower support plate 7 is arranged below the upper support plate 1, the upper support plate 1 comprises an upper plate 1-1 and a pullout ring 1-2, the pullout ring 1-2 is fixedly connected to the bottom surface of the upper plate 1-1, the lower support plate 7 comprises a bottom plate 7-1 and a pullout flange 7-2, the pullout flange 7-2 is fixedly connected to the top edge of the bottom plate 7-1 in a circumferential manner, the pullout ring 1-2 is provided with a notch matched with the pullout flange 7-2, the top of the lower support plate 7 is provided with a spherical cap lining plate 5 matched therewith, the spherical cap lining plate 5 is arranged inside the upper support plate 1, and mounting holes are formed in the upper plate 1-1 and the bottom plate 7-1.

[0021] The connection between the upper support plate 1 and the lower support plate 7 is achieved by the plug-in rotation of the pullout ring 1-2 and the pullout flange 7-2, so that the pullout ring 1-2 and the pullout flange 7-2 are misaligned to form the connection, thereby limiting the spherical cap lining plate 5 in the upper support plate 1 and the lower support plate 7, achieving the rotating support and pullout resistance effect, without the need of bolt fixing, but directly plug-in rotation, and the assembly is convenient.

[0022] The fitting surface of the pullout ring 1-2 and the pullout flange 7-2 is an R1 curved surface, the bottom surface of the spherical cap lining plate 5 is an R2 curved surface, and the R1 and R2 circumferential curves are provided with a common point O.

[0023] The spherical center of the spherical cap lining plate 5 is located at the same point as the fitting surface spherical center of the pullout ring 1-2 and the pullout flange 7-2, the full ball type support vertical rotation function is achieved, and the feature that the spherical support can bear the vertical pulling force without gap is realized.

[0024] The inner wall of the pullout ring 1-2 is an R3 curved surface, the side wall of the pullout flange 7-2 is an R4 curved surface, and R3 = R4.

[0025] The inner wall of the pullout ring 1-2 of the upper support plate 1 is in arc line close cooperation with the outer wall of the pullout flange 7-2 of the lower support plate 7, and the feature that the spherical support can bear the horizontal load without gap is realized.

[0026] The top surface of the spherical cap lining plate 5 is embedded with a plane sliding plate 3, the plane sliding plate 3 is movably attached to the top inner wall of the upper support plate 1, the outer side of the spherical cap lining plate 5 corresponding to the plane sliding plate 3 is embedded with a plane sealing ring 2, the plane sealing ring 2 is arranged between the spherical cap lining plate 5 and the inner wall of the upper support plate 1, and grooves for embedding the plane sealing ring 2 and the plane sliding plate 3 are formed in the spherical cap lining plate 5.

[0027] The top portion of the lower support plate 7 is embedded with a curved surface sliding plate 6, the curved surface sliding plate 6 is movably attached to the bottom surface of the spherical cap lining plate 5, the outer side of the lower support plate 7 corresponding to the curved surface sliding plate 6 is embedded with a curved surface sealing ring 4, the curved surface sealing ring 4 is arranged between the lower support plate 7 and the bottom surface of the spherical cap lining plate 5, and grooves for embedding the curved surface sealing ring 4 and the curved surface sliding plate 6 are formed in the lower support plate 7.

[0028] The plane sliding plate 3 enables the spherical cap lining plate 5 and the upper support plate 1 to form movable sliding, and the curved surface sliding plate 6 enables the spherical cap lining plate 5 and the lower support plate 7 to form movable sliding, so that the spherical support can rotate smoothly.

[0029] The plane sealing ring 2 forms sealing between the spherical cap lining plate 5 and the upper support plate 1, and the curved surface sealing ring 4 forms sealing between the support plate 7 and the spherical cap lining plate 5, so as to achieve the isolation effect of the plane sliding plate 3 and the curved surface sliding plate 6.

[0030] The working principle of the utility model is:

[0031] In use, the spherical cap lining plate 5 is placed into the inner side of the pull-out ring 1-2 of the upper support plate 1, at the moment, the lower support plate 7 and the upper support plate 1 are assembled, the pull-out flange 7-2 is aligned with the notch on the pull-out ring 1-2, then the pull-out flange 7-2 is inserted into the pull-out ring 2, at the moment, the lower support plate 7 and the upper support plate 1 are relatively rotated, so that the pull-out flange 7-2 is dislocated with the pull-out ring 1-2, and the assembly is completed.

[0032] Although the utility model has been described 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, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A concentric rotating spherical support comprising an upper support plate (1) and a lower support plate (7), characterized in that: The lower support plate (7) is arranged below the upper support plate (1), the upper support plate (1) comprises an upper plate (1-1) and a pullout ring (1-2) fixedly connected to the bottom surface of the upper plate (1-1), the lower support plate (7) comprises a bottom plate (7-1) and a pullout flange (7-2) circumferentially fixedly connected to the top edge of the bottom plate (7-1), the pullout ring (1-2) is provided with a notch matched with the pullout flange (7-2), the top of the lower support plate (7) is provided with a spherical cap lining plate (5) matched therewith, and the spherical cap lining plate (5) is arranged inside the upper support plate (1).

2. A concentric rotating spherical bearing according to claim 1, wherein: The fitting surfaces of the pullout ring (1-2) and the pullout flange (7-2) are R1 curved surfaces, the bottom surface of the spherical cap lining plate (5) is an R2 curved surface, and the R1 and R2 circumferential curves have a common center point O.

3. A concentric rotating spherical bearing according to claim 1, wherein: The inner wall of the pullout ring (1-2) is an R3 curved surface, the side wall of the pullout flange (7-2) is an R4 curved surface, and R3 = R4.

4. A concentric rotating spherical bearing according to claim 1, wherein: The top surface of the spherical cap lining plate (5) is embedded with a planar sliding plate (3), the planar sliding plate (3) is movably fitted with the top inner wall of the upper support plate (1), the outer side of the spherical cap lining plate (5) corresponding to the planar sliding plate (3) is embedded with a planar sealing ring (2), and the planar sealing ring (2) is arranged between the spherical cap lining plate (5) and the inner wall of the upper support plate (1).

5. A concentric rotating spherical bearing according to claim 1, wherein: The top of the lower support plate (7) is embedded with a curved sliding plate (6), the curved sliding plate (6) is movably fitted with the bottom surface of the spherical cap lining plate (5), the outer side of the lower support plate (7) corresponding to the curved sliding plate (6) is embedded with a curved sealing ring (4), and the curved sealing ring (4) is arranged between the lower support plate (7) and the bottom surface of the spherical cap lining plate (5).

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