阅读说明：本技术 一种抗风球型钢支座 (Wind-resistant spherical steel support ) 是由 张春 许梁梅 孙鹏 徐彬 汪文生 于 2020-12-23 设计创作，主要内容包括：本发明公开了一种抗风球型钢支座,包括上支座板、球冠衬板、中间座板、下支座板,所述球冠衬板上方设有上支座板,球冠衬板下方设有中间座板,中间座板下方设有下支座板,中间座板由第一中间座板与第二中间座板组成,上支座板下端限位环底面固定安装有抗拔环,抗拔环内径小于上支座板限位环的孔径,第一中间座板侧面设有凸起,抗拔环上端倾斜固定有第一弹簧钢,第一弹簧钢上端与第一中间座板侧面所设凸起相抵触；本发明设计有垂向弹性预压结构,有效保证抗风支座与桥塔之间密贴,避免了支座与桥梁出现间隙时对平面滑动副的污染,提高其使用寿命。本发明中抗拔环与第一弹簧钢通过螺栓固定于上支座板上形成抗拔结构,具有防脱性能。(The invention discloses a wind-resistant spherical steel support which comprises an upper support plate, a spherical crown lining plate, a middle base plate and a lower support plate, wherein the upper support plate is arranged above the spherical crown lining plate, the middle base plate is arranged below the spherical crown lining plate, the lower support plate is arranged below the middle base plate, the middle base plate consists of a first middle base plate and a second middle base plate, an anti-pulling ring is fixedly arranged on the bottom surface of a limiting ring at the lower end of the upper support plate, the inner diameter of the anti-pulling ring is smaller than the aperture of the limiting ring of the upper support plate, a bulge is arranged on the side surface of the first middle base plate, first spring steel is obliquely and fixedly arranged at the upper end of the anti-pulling ring, and the; the invention is designed with a vertical elastic prepressing structure, thereby effectively ensuring the close contact between the wind-resistant support and the bridge tower, avoiding the pollution to the plane sliding pair when the support and the bridge have a clearance, and prolonging the service life of the support and the bridge. According to the invention, the anti-pulling ring and the first spring steel are fixed on the upper support plate through the bolts to form an anti-pulling structure, so that the anti-pulling device has anti-falling performance.)

1. A wind-resistant spherical steel support comprises an upper support plate (1), a spherical crown lining plate (2), a middle base plate and a lower support plate (5), and is characterized in that the upper support plate (1) is arranged above the spherical crown lining plate (2), the middle base plate is arranged below the spherical crown lining plate (2), the lower support plate (5) is arranged below the middle base plate, the middle base plate consists of a first middle base plate (3) and a second middle base plate (4), an anti-pulling ring (6) is fixedly arranged on the bottom surface of a limiting ring at the lower end of the upper support plate (1), the inner diameter of the anti-pulling ring (6) is smaller than the aperture of the limiting ring of the upper support plate (1), a bulge is arranged on the side surface of the first middle base plate (3), first spring steel (7) is obliquely fixed at the upper end of the anti-pulling ring (6), and the upper end of the first spring steel (7);

bedplate (4) between joint is connected in the middle of first middle bedplate (3) and the second, and the bottom of bedplate (3) in the middle of the first is provided with annular protrusion, and the top surface correspondence of bedplate (4) in the middle of the second is provided with annular groove, and after annular protrusion on bedplate (3) in the middle of the first and the annular groove cooperation joint on bedplate (4) in the middle of the second, leave an annular cavity between the two, the bottom slope of this annular cavity is fixed and is provided with second spring steel (10), and the upper end of second spring steel (10) is protruding inconsistent with the annular of bedplate (3) in the middle of the first.

2. The wind-resistant spherical steel bearing according to claim 1, wherein the spherical cap lining plate (2) is provided with a slot on the upper side, and a first plane sliding plate (11) is arranged inside the slot.

3. A wind-resistant ball-type steel bearing according to claim 1, wherein said first intermediate seat plate (3) is provided with an arc-shaped concave surface at the upper side, and a spherical sliding plate (13) is installed inside the arc-shaped concave surface.

4. A wind-resistant ball-type steel support according to claim 1, wherein the second intermediate seat plate (4) is provided with a mounting groove at the lower surface thereof, and a second flat sliding plate (16) is mounted inside the mounting groove.

5. The wind-resistant spherical steel bearing according to claim 1, wherein the upper side of the spherical cap lining plate (2), the upper side of the first middle seat plate (3) and the lower side of the second middle seat plate (4) are respectively provided with a groove, and the grooves are respectively provided with a first sealing ring (12), a second sealing ring (14) and a third sealing ring (15).

6. The wind-resistant spherical steel bearing according to claim 1, wherein the lower side of the upper bearing plate (1) and the upper side of the lower bearing plate (5) are welded with a flat stainless steel plate respectively, and the lower side of the spherical crown lining plate (2) is welded with a spherical stainless steel plate.

7. The wind-resistant spherical steel support according to claim 6, wherein the upper end of the upper support plate (1) is padded with an adjusting plate (8), the upper support plate (1) and the lower support plate (5) are respectively provided with a through hole, and an anchoring bolt (9) is inserted into the through hole.

Technical Field

The invention belongs to the technical field of bridge engineering, and particularly relates to a wind-resistant spherical steel support.

Background

The bridge engineering technology in China is continuously developed, the application of bridge supports in bridge engineering is more and more extensive, and various problems also occur in the maintenance and replacement of various types of supports used in the bridge engineering along with the lapse of time.

In the actual use process, when a gap exists between the support and a bridge, the sealing effect of the sliding pair of the support fails, dust or dirt invades into the sliding plate, and the wear resistance of the sliding pair of the support is greatly reduced.

Disclosure of Invention

The invention aims to provide a wind-resistant spherical steel support.

The purpose of the invention can be realized by the following technical scheme:

a wind-resistant spherical steel support comprises an upper support plate, a spherical crown lining plate, a middle base plate and a lower support plate, and is characterized in that the upper support plate is arranged above the spherical crown lining plate, the middle base plate is arranged below the spherical crown lining plate, the lower support plate is arranged below the middle base plate, the middle base plate consists of a first middle base plate and a second middle base plate, an anti-pulling ring is fixedly arranged on the bottom surface of a limiting ring at the lower end of the upper support plate, the inner diameter of the anti-pulling ring is smaller than the aperture of the limiting ring of the upper support plate, a bulge is arranged on the side surface of the first middle base plate, first spring steel is obliquely and fixedly arranged at the upper end of the anti-pulling ring, and the;

the base plate is connected between the first middle base plate and the second middle base plate in a clamping mode, an annular protrusion is arranged at the bottom of the first middle base plate, an annular groove is correspondingly formed in the top surface of the second middle base plate, after the annular protrusion in the first middle base plate is connected with the annular groove in the second middle base plate in a matching mode, an annular cavity is reserved between the annular protrusion and the annular groove, second spring steel is obliquely and fixedly arranged at the bottom of the annular cavity, and the upper end of the second spring steel is abutted to the annular protrusion in the first middle base plate.

As a further scheme of the invention, a clamping groove is formed in the upper side face of the spherical cap lining plate, and a first plane sliding plate is arranged in the clamping groove.

As a further scheme of the invention, the upper side of the first middle seat plate is provided with an arc concave surface, and a spherical sliding plate is arranged in the arc concave surface.

As a further scheme of the invention, the lower surface of the second middle seat plate is provided with an installation groove, and a second plane sliding plate is arranged in the installation groove.

As a further scheme of the invention, the upper side surface of the spherical crown lining plate, the upper side surface of the first middle seat plate and the lower side surface of the second middle seat plate are respectively provided with a groove, and a first sealing ring, a second sealing ring and a third sealing ring are respectively arranged in the grooves.

As a further scheme of the invention, the lower side surface of the upper support plate and the upper side surface of the lower support plate are respectively welded with a planar stainless steel plate, and the lower side of the spherical crown lining plate is welded with a spherical stainless steel plate.

As a further scheme of the invention, an adjusting plate is padded at the upper end of the upper support plate, through holes are respectively formed in the upper support plate and the lower support plate, and anchoring bolts are inserted into the through holes in a penetrating manner.

The invention has the beneficial effects that:

1. the invention is designed with a vertical elastic prepressing structure, thereby effectively ensuring the close contact between the wind-resistant support and the bridge tower, avoiding the pollution to the plane sliding pair when the support and the bridge have a clearance, and prolonging the service life of the support and the bridge.

2. According to the invention, the anti-pulling ring and the first spring steel are fixed on the upper support plate through the bolts to form an anti-pulling structure, so that the anti-pulling device has anti-falling performance.

Drawings

The invention is described in further detail below with reference to the figures and specific embodiments.

Fig. 1 is a longitudinal structural sectional view of a wind-resistant ball-type steel support.

Fig. 2 is a cross-sectional view of a wind-resistant ball-shaped steel support.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

In the figure: 1. an upper support plate; 2. a spherical cap liner plate; 3. a first intermediate seat plate; 4. a second intermediate seat plate; 5. a lower support plate; 6. an anti-pulling ring; 7. a first spring steel; 8. an adjusting plate; 9. an anchor bolt; 10. a second spring steel; 11. a first planar slide; 12. a first seal ring; 13. a spherical sliding plate; 14. a second seal ring; 15. a third seal ring; 16. and a second planar sliding plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 3, a wind-resistant spherical steel bearing comprises an upper bearing plate 1, a spherical crown lining plate 2, a middle bearing plate and a lower bearing plate 5, wherein the middle bearing plate comprises a first middle bearing plate 3 and a second middle bearing plate 4, the upper bearing plate 1 is arranged above the spherical crown lining plate 2, the first bearing plate 3 is arranged below the spherical crown lining plate 2, the second middle bearing plate 4 is arranged below the first bearing plate 3, and the lower bearing plate 5 is arranged below the second middle bearing plate 4;

an anti-pulling ring 6 is fixedly arranged on the bottom surface of the limiting ring at the lower end of the upper support plate 1, and the inner diameter of the anti-pulling ring 6 is smaller than that of the limiting ring; the side surface of the first middle seat plate 3 is provided with a bulge, one surface of the anti-pulling ring 6, which is close to the upper seat plate 1, is obliquely and fixedly provided with a first spring steel 7, and the upper end of the first spring steel 7 is abutted against the bulge on the side surface of the first middle seat plate;

the first middle seat plate 3 is connected with the second middle seat plate 4 in a clamping mode, an annular bulge is arranged at the bottom of the first middle seat plate 3, an annular groove is correspondingly arranged on the top surface of the second middle seat plate 4, an annular cavity is reserved between the annular bulge on the first middle seat plate 3 and the annular groove on the second middle seat plate 4 after the annular bulge on the first middle seat plate is matched and clamped with the annular groove on the second middle seat plate 4, second spring steel 10 is obliquely and fixedly arranged at the bottom of the annular cavity, and the upper end of the second spring steel 10 is abutted to the annular bulge on the first middle seat plate 3;

the upper side surface of the spherical crown lining plate 2 is provided with a clamping groove, a first plane sliding plate 11 is arranged in the clamping groove, the upper side of the first middle seat plate 3 is provided with an arc-shaped concave surface, a spherical sliding plate 13 is arranged in the arc-shaped concave surface, the lower surface of the second middle seat plate 4 is provided with an installing groove, a second plane sliding plate 16 is arranged in the installing groove, the upper side surface of the spherical crown lining plate 2, the upper side surface of the first middle seat plate 3 and the lower side surface of the second middle seat plate 4 are respectively provided with a groove, and a first sealing ring 12, a second sealing ring 14 and a;

the side has welded plane corrosion resistant plate respectively on 1 downside of upper bracket board and the undersetting board 5, and the welding of 2 downside of spherical crown welt has sphere corrosion resistant plate, and 1 upper end pad of upper bracket board is equipped with regulating plate 8, and the through-hole has been seted up respectively with undersetting board 5 to upper bracket board 1, and the inside interlude of through-hole has anchor bolt 9.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.