CN210134334U

CN210134334U - Spherical support for improving durability of bridge

Info

Publication number: CN210134334U
Application number: CN201920794990.9U
Authority: CN
Inventors: 孟庆领; 王婧
Original assignee: Tianjin Licheng Technology Service Co ltd
Current assignee: Tianjin Licheng Technology Service Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-03-10
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a ball-type support for improving bridge durability, including last anchorage board, upper bracket board, spherical crown welt, lower anchorage board and lower anchorage board, the top of spherical crown welt is provided with the antifriction plate, the top of lower anchorage board is provided with down the antifriction plate, the upper end both sides of going up the anchorage board are provided with the stock through last bolt fastening, the lower extreme both sides of lower anchorage board are provided with down the stock through lower bolt fastening. The utility model discloses a set up rubber piston block, magnetic path and slip helping hand piece, can seal to the bearing structure, prevent that debris such as dust from getting into inside the support, can also adsorb tiny granules such as the inside dust of living support itself, avoid its each item performance to the support to cause harmful effects to improve the durability of bridge, and can the atress between upper bracket board and the lower bearing plate even, cause the extrusion of bearing plate to destroy when avoiding the roof beam end to take place to rotate.

Description

Spherical support for improving durability of bridge

Technical Field

The utility model relates to a bridge beam supports technical field especially relates to a ball-type support for improving bridge durability.

Background

The bridge bearing is an important structural component for connecting an upper structure and a lower structure of a bridge, is positioned between the bridge and the pad stone, can reliably transfer load and deformation (displacement and angular rotation) borne by the upper structure of the bridge to the lower structure of the bridge, and is an important force transfer device of the bridge. The device comprises a fixed support and a movable support. The common support forms for bridge engineering include: felt or flat supports, plate rubber supports, ball supports, steel supports, special supports and the like.

The spherical bearing is a novel bridge bearing developed on the basis of a basin-type rubber bearing. The spherical support is divided into a fixed support, a one-way movable support and a multi-way movable support. Because the spherical bearing is not loaded by rubber any longer, no adverse effect such as hardening or aging of the rubber exists, and the spherical bearing is particularly suitable for low-temperature areas.

When the existing spherical support is used, the problem of untight dust prevention exists because the spherical support is not sealed, and dust enters the interior of the support and can affect the friction coefficient, the corrosion resistance and other properties of the support, so that the durability of a bridge is shortened; in addition, the existing spherical bearing is characterized in that an upper bearing plate and a lower bearing plate are in direct contact to transfer horizontal force, and the bearing plate is easily extruded and damaged when the bridge beam end rotates.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the spherical support for improving bridge durability who proposes, it is through setting up rubber piston piece, magnetic path and slip helping hand piece, can seal to bearing structure, prevent that debris such as dust from getting into inside the support, can also adsorb tiny granules such as the inside dust of support itself, avoid it to cause harmful effects to each item performance of support, thereby improve the durability of bridge, and can be between upper bracket board and the bottom suspension fagging atress even, cause the extrusion of support board to destroy when avoiding the roof beam end to take place to rotate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a ball-type support for improving bridge durability, includes anchorage board, upper bracket board, spherical crown welt, lower bedplate and lower anchorage board, the top of spherical crown welt is provided with the antifriction plate, the top of lower bedplate is provided with down the antifriction plate, the upper end both sides of going up the anchorage board are provided with the anchor through last bolt fastening, the lower extreme both sides of anchorage board are provided with down the anchor through lower bolt fastening, the lower extreme both sides of upper bracket board all are equipped with the bedplate wall built-up, sliding groove has been seted up on the lateral wall of bedplate wall built-up, sliding connection has the slip helping hand piece in the sliding groove, the upper end fixedly connected with rubber piston piece of anchorage board down, rubber piston piece is connected with the lateral wall of bedplate wall built-up and the lateral wall of lower bedplate all contacts.

Preferably, the upper wear-resisting plate and the lower wear-resisting plate are both made of polytetrafluoroethylene, the upper wear-resisting plate is planar, and the lower wear-resisting plate is spherical.

Preferably, the two sides of the lower end of the upper support plate are respectively provided with a magnetic block at a gap position between the support plate wall hanging and the spherical crown lining plate.

Preferably, a sliding plate is arranged on the side wall of the sliding power assisting block, a stainless steel sliding rail is arranged on the side wall of the lower support plate, and the sliding plate is matched with the stainless steel sliding rail.

Preferably, the wall-mounted contact connection between the rubber piston block and the support plate is subjected to sealing treatment, and the contact connection between the lower support plate and the rubber piston block is subjected to sealing treatment.

Preferably, the surfaces of the upper anchor rod and the lower anchor rod are provided with raised inclined ribs.

The utility model discloses following beneficial effect has:

1. by arranging the rubber piston block and the magnetic block, the external structure of the spherical support can be sealed, impurities such as dust can be prevented from entering the spherical support, fine particles such as dust in the main support can be adsorbed, adverse effects on various performances of the support can be avoided, and the durability of the bridge can be improved;

2. through setting up the helping hand piece that slides, can make upper bracket board and bottom suspension fagging not direct contact, indirect sliding connection to but make atress between the two even, cause the extrusion of support plate to destroy when avoiding the beam-ends to take place to rotate, improve bridge durability.

Drawings

Fig. 1 is a schematic structural diagram of a spherical support for improving the durability of a bridge according to the present invention;

fig. 2 is an enlarged schematic view of a structure at a.

In the figure: the wall-mounted type anti-abrasion wall comprises an upper anchor rod 1, an upper support plate 2, an upper abrasion-resistant plate 3, a spherical crown lining plate 4, an upper anchorage plate 5, an upper bolt 6, a lower abrasion-resistant plate 7, a lower support plate 8, a lower bolt 9, a lower anchor rod 10, a lower anchorage plate 11, a rubber piston block 12, a sliding groove 13, a sliding power-assisting block 14, a magnetic block 15 and a support plate 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a spherical support for improving durability of a bridge comprises an upper anchor plate 5, an upper support plate 2, a spherical crown lining plate 4, a lower support plate 8 and a lower anchor plate 11, wherein an upper wear-resistant plate 3 is arranged at the top of the spherical crown lining plate 4, a lower wear-resistant plate 7 is arranged at the top of the lower support plate 8, upper anchors 1 are fixedly arranged on two sides of the upper end of the upper anchor plate 5 through upper bolts 6, lower anchors 10 are fixedly arranged on two sides of the lower end of the lower anchor plate 11 through lower bolts 9, and raised oblique ribs are arranged on the surfaces of the upper anchors 1 and the lower anchors 10 and used for enhancing the bonding effect of the upper anchors and concrete.

The lower extreme both sides of upper bracket board 2 all are equipped with support plate wall built-up 16, have seted up slip recess 13 on support plate wall built-up 16's the lateral wall, and sliding connection has slip helping hand piece 14 in slip recess 13, is equipped with the slide on slip helping hand piece 14's the lateral wall, is equipped with the stainless steel slide rail on the lateral wall of lower bolster board 8, slide and stainless steel slide rail cooperation.

The upper end of the lower anchor plate 11 is fixedly connected with a rubber piston block 12, the rubber piston block 12 is in contact connection with the side wall of a support plate wall hanging 16 and the side wall of the lower support plate 8, the contact connection position of the rubber piston block 12 and the support plate wall hanging 16 is subjected to sealing treatment, and the contact connection position of the rubber piston block 12 and the lower support plate 8 is subjected to sealing treatment.

The upper wear-resistant plate 3 and the lower wear-resistant plate 7 are both made of polytetrafluoroethylene, the upper wear-resistant plate 3 is planar, and the lower wear-resistant plate 7 is spherical.

The two sides of the lower end of the upper support plate 2 are respectively provided with a magnetic block 15 at the gap position between the support plate wall hanging 16 and the spherical crown lining plate 4.

In the utility model, the rubber piston block 12 is connected with the support plate wall hanging 16 and the lower support plate 8 in a sealing contact way, so that the external structure of the spherical support can be changed into a sealing state, thereby ensuring that dust and other impurities in the air can not enter the spherical support, and avoiding the dust from corroding the upper wear-resisting plate 3 and the lower wear-resisting plate 7 and causing adverse effects on the performance of the upper wear-resisting plate and the lower wear-resisting plate; the magnetic field generated by the magnetic block 15 can adsorb dust and other fine particles in the spherical support, so that the upper wear-resisting plate 3 and the lower wear-resisting plate 7 are prevented from being corroded, and the durability of the bridge is improved.

The sliding power-assisting block 14 is connected with the support plate wall hanging 16 and the lower support plate 8 in a sliding mode, so that horizontal force transmitted from a beam end can be effectively divided, and when the two ends of the beam end rotate, the support plate can be effectively prevented from being extruded and damaged due to overlarge stress, and the durability of the bridge is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A spherical support for improving the durability of a bridge comprises an upper anchorage plate (5), an upper support plate (2), a spherical crown lining plate (4), a lower support plate (8) and a lower anchorage plate (11), and is characterized in that the top of the spherical crown lining plate (4) is provided with an upper abrasion-resistant plate (3), the top of the lower support plate (8) is provided with a lower abrasion-resistant plate (7), the two sides of the upper end of the upper anchorage plate (5) are fixedly provided with upper anchors (1) through upper bolts (6), the two sides of the lower end of the lower anchorage plate (11) are fixedly provided with lower anchors (10) through lower bolts (9), the two sides of the lower end of the upper support plate (2) are both provided with support plates (16), the side walls of the support plates (16) are provided with sliding grooves (13), the sliding power-assisting blocks (14) are slidably connected in the sliding grooves (13), the upper end of the lower anchorage plate (11) is fixedly connected with rubber piston blocks (12), the rubber piston block (12) is in contact connection with the side wall of the support plate wall hanging (16) and the side wall of the lower support plate (8).

2. The ball type support for improving the durability of a bridge according to claim 1, wherein the upper wear plate (3) and the lower wear plate (7) are made of polytetrafluoroethylene, the upper wear plate (3) is planar, and the lower wear plate (7) is spherical.

3. The spherical bearing for improving the durability of the bridge as claimed in claim 1, wherein the magnet blocks (15) are arranged on both sides of the lower end of the upper bearing plate (2) at the gap position between the bearing plate wall hanging (16) and the spherical crown lining plate (4).

4. The spherical bearing for improving the durability of the bridge according to claim 1, wherein the sliding assisting block (14) is provided with a sliding plate on the side wall, the lower bearing plate (8) is provided with a stainless steel sliding rail on the side wall, and the sliding plate is matched with the stainless steel sliding rail.

5. The ball type bearing for improving the durability of the bridge according to claim 1, wherein the contact joint of the rubber piston block (12) and the bearing plate wall hanging (16) is sealed, and the contact joint of the rubber piston block (12) and the lower bearing plate (8) is sealed.

6. A ball-type socket for improving the durability of a bridge according to claim 1, wherein the surfaces of the upper anchor stick (1) and the lower anchor stick (10) are provided with raised inclined ribs.