CN219010937U

CN219010937U - Tensile spherical support with anticreep function

Info

Publication number: CN219010937U
Application number: CN202223390326.9U
Authority: CN
Inventors: 朱峰; 陈志频; 浦晓文; 姚志刚
Original assignee: Jiangsu Runtong Engineering Equipment Co ltd
Current assignee: Jiangsu Runtong Engineering Equipment Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-05-12
Anticipated expiration: 2032-12-17

Abstract

The utility model discloses a tensile spherical support with an anti-falling function, which comprises a top plate and a bottom basin, wherein the top plate is connected with the bottom basin through a spherical crown steel lining plate, and a limiting anti-falling structure for limiting the top plate and the bottom basin and preventing the spherical support from falling off is arranged on the spherical support; the limiting anti-falling structure is arranged on two sides of the spherical support and is respectively matched with two sides of the spherical support. Through the mode, the tensile spherical support with the anti-falling function adopts the limiting anti-falling structure, and can bear the upward pulling force of the support, so that the support is effectively prevented from falling off, and dangers are avoided.

Description

Tensile spherical support with anticreep function

Technical Field

The utility model belongs to the field of bridge support manufacturing, and particularly relates to a tensile spherical support with an anti-drop function.

Background

The spherical bridge bearing is an important part for connecting the upper structure and the lower structure of a bridge, and can reliably transmit the counterforce and deformation of the upper structure of the bridge to the lower structure of the bridge.

In some use scenes, for example, the side piers of a cable-stayed bridge, the outer sides of a curve ramp bridge and a large suspension bridge are considered under the condition of considering wind load action and the like, the support can be subjected to certain pull-up force, and the common support can be subjected to a run-out phenomenon, so that danger is very easy to occur.

The tensile ball-type support that uses at present adopts most to add the form of establishing the drag hook on processing boss, roof on the basin of end to bear certain pulling force, but these mode structures are complicated, and the degree of difficulty of casting, processing and assembly is all improved greatly, and some drag hooks adopt welded type and roof fixed, often weld the deflection great, and intensity can't guarantee moreover, has the potential safety hazard to bridge structure.

Disclosure of Invention

The utility model mainly solves the technical problem of providing the tensile spherical support with the anti-falling function, which can effectively prevent the support from falling off and avoid danger.

In order to solve the technical problems, the utility model adopts a technical scheme that: the tensile spherical support with the anti-falling function comprises a top plate and a bottom basin, wherein the top plate is connected with the bottom basin through a spherical crown steel lining plate, and a limiting anti-falling structure for limiting the top plate and the bottom basin and preventing the spherical support from falling off is arranged on the spherical support;

the limiting anti-falling structure is arranged on two sides of the spherical support and is respectively matched with two sides of the spherical support.

In a preferred embodiment of the present utility model, the limiting and anti-falling structure comprises a tensile block and a fastener, wherein the tensile block is fixed on the side surface of the support through the fastener.

In a preferred embodiment of the present utility model, the tensile block is C-shaped, and the C-shaped tensile block is connected to the ball-shaped support in such a way that an opening is inward.

In a preferred embodiment of the utility model, the fastening member is a high-strength bolt, the tensile block is fixedly connected with the bottom basin through the bolt, and a gap is arranged between the tensile block and the top plate.

In a preferred embodiment of the present utility model, a friction structure is further installed in the spherical support, the friction structure includes a first friction pair, a second friction pair and a spherical wear plate, the first friction pair is installed between the top plate and the spherical crown steel lining plate, the second friction pair is installed between the top plate and the tensile block, and the spherical wear plate is installed between the spherical crown steel lining plate and the bottom basin.

In a preferred embodiment of the present utility model, the first friction pair comprises a planar stainless steel plate and a planar wear plate, the planar stainless steel plate is mounted at the bottom of the top plate, the planar wear plate is mounted on the top plane of the spherical crown steel lining plate, and the surface of the planar wear plate is coated with grease.

In a preferred embodiment of the present utility model, the second friction pair includes a side stainless steel plate mounted on the tension block and a lateral sliding bar mounted on a side of the top plate.

In a preferred embodiment of the utility model, the spherical wear-resistant plate is attached to the arc surface of the bottom surface of the spherical crown steel lining plate, and the surface of the spherical crown steel lining plate is provided with a grease storage pit.

The beneficial effects of the utility model are as follows: the tensile spherical support with the anti-falling function adopts the limiting anti-falling structure, and can bear the upward pulling force of the support, so that the support is effectively prevented from falling off, and dangers are avoided.

Drawings

Fig. 1 is a half cross-sectional view of a tensile ball-type mount with anti-slip function.

Fig. 2 is an exploded view of a tensile ball-type mount with anti-drop function.

The components in the drawings are marked as follows: 1. a top plate; 2. a bottom basin; 3. spherical crown steel lining plate; 4. a tension block; 5. a fastener; 6. a planar stainless steel plate; 7. a planar wear plate; 8. a side stainless steel plate; 9. a lateral sliding bar; 10. spherical wear-resistant plate.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Referring to fig. 1 and 2, an embodiment of the present utility model includes: the utility model provides a tensile ball-type support with anticreep function, includes roof 1 and end basin 2, roof 1 with end basin 2 is connected through spherical crown steel welt 3, roof 1 and bridge beam bottom contact for transmit superstructure load.

The bottom basin 2 top is equipped with the pelvic cavity, is used for with spherical crown steel welt 3 is spacing wherein, the contact of bottom basin 2 lower part and pier top filler stone is given the superstructure load and is transmitted the pier.

The spherical crown steel lining plate 3 can adapt to disturbance of an upper bridge structure due to various reasons such as load and the like through rotation of the arc surface at the bottom while transmitting vertical load at the upper part.

The ball-shaped support is provided with a limiting anti-falling structure used for limiting the top plate 1 and the bottom basin and preventing the ball-shaped support from falling off, the limiting anti-falling structure is used for limiting the top plate 1 and the bottom basin under the condition that the structure and the stress condition of the ball-shaped support are not changed, a certain gap is reserved at the top plate 1 to meet the rotation and displacement of the ball-shaped support when the ball-shaped support is normally stressed, and the limiting anti-falling structure bears the upward pulling force born by the ball-shaped support, so that the ball-shaped support is effectively prevented from falling off, and danger is avoided.

The limiting anti-drop structure is simple in structure, can be fixed after other components of the spherical support are assembled, is convenient to assemble, is beneficial to reducing manufacturing cost, reduces processing difficulty and improves production efficiency.

The limiting anti-drop structure is installed on two sides of the spherical support and is matched with two sides of the spherical support respectively, the limiting anti-drop structure comprises a tensile block 4 and a fastening piece 5, the tensile block 4 is fixed on the side of the support through the fastening piece 5, the tensile block 4 is of a C shape, the C shape is formed by the tensile block 4 being connected with the spherical support in an inward opening mode, the fastening piece 5 is a high-strength bolt, the tensile block 4 is fixedly connected with the bottom basin 2 through the bolt, a gap is arranged between the tensile block 4 and the top plate 1, the tensile block 4 is fixed on the side of the bottom basin through the fastening piece 5, and meanwhile, the top plate 1 is limited in the bottom basin and is provided with a proper gap, so that the spherical support is guaranteed to rotate and displace when being stressed normally, and the spherical support is prevented from being out of air when being pulled.

Still install friction structure in the ball-type support, friction structure includes first friction pair, second friction pair and sphere antifriction plate 10, first friction pair is installed roof 1 with between the spherical crown steel welt 3, second friction pair is installed roof 1 with between the tensile piece 4, sphere antifriction plate 10 is installed spherical crown steel welt 3 with between the bottom basin 2.

The first friction pair comprises a plane stainless steel plate 6 and a plane wear-resistant plate 7, the plane stainless steel plate 6 is arranged at the bottom of the top plate 1, the plane wear-resistant plate 7 is arranged on the top plane of the spherical crown steel lining plate 3,

the plane stainless steel plate 6 is matched with the plane wear-resistant plate 7 and is used for adapting to displacement changes of the bridge caused by temperature and braking force.

The surface of the plane wear-resistant plate 7 is coated with lubricating grease, and the plane wear-resistant plate 7 is made of a high polymer material, so that a lower friction coefficient can be provided through the lubricating grease.

The second friction pair comprises a side stainless steel plate 8 and a lateral sliding strip 9, wherein the side stainless steel plate 8 is installed on the tensile block 4, and the lateral sliding strip 9 is installed on the side face of the top plate 1.

The side stainless steel plates 8 are matched with the lateral sliding strips 9 and are used for adapting to displacement changes of the bridge caused by temperature and braking force.

The lateral sliding strip 9 is made of alloy material, and can provide a low friction coefficient.

The spherical wear-resistant plate 10 is attached to the arc surface of the bottom surface of the spherical crown steel lining plate 3, and a grease storage pit is formed in the surface of the spherical crown steel lining plate, the spherical wear-resistant plate 10 is made of a high polymer material, and a lower friction coefficient can be provided through lubrication in the grease storage pit.

Compared with the prior art, the tensile spherical support with the anti-drop function adopts the limiting anti-drop structure, limits the top plate and the bottom basin under the condition of not changing the support structure and the stress condition, reserves a certain gap at the top plate to meet the rotation and displacement of the support when the support is normally stressed, and bears the upward pulling force of the support, so that the support is effectively prevented from being emptied and dangers are avoided.

The limiting anti-drop structure is simple in structure, can be fixed after other parts of the support are assembled, is convenient to assemble, is beneficial to reducing manufacturing cost, reduces processing difficulty and improves production efficiency.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The tensile spherical support with the anti-falling function comprises a top plate and a bottom basin, wherein the top plate and the bottom basin are connected through a spherical crown steel lining plate;

2. The anti-drop tensile ball-type support according to claim 1, wherein: the limiting anti-drop structure comprises a tensile block and a fastening piece, wherein the tensile block is fixed on the side face of the support through the fastening piece.

3. The anti-drop tensile ball-type support according to claim 2, wherein: the tensile block is C-shaped, and the C-shaped tensile block is connected with the spherical support in a mode that an opening is inward.

4. A pull-resistant spherical support with anti-drop function according to claim 3, characterized in that: the fastener is a high-strength bolt, the tensile block is fixedly connected with the bottom basin through the bolt, and a gap is formed between the tensile block and the top plate.

5. The anti-drop tensile ball-type support according to claim 2, wherein: still install friction structure in the ball-type support, friction structure includes first friction pair, second friction pair and sphere antifriction plate, first friction pair is installed the roof with between the spherical crown steel welt, second friction pair is installed the roof with between the tensile piece, the sphere antifriction plate is installed spherical crown steel welt with between the basin.

6. The anti-drop tensile ball support according to claim 5, wherein: the first friction pair comprises a plane stainless steel plate and a plane wear-resistant plate, the plane stainless steel plate is installed at the bottom of the top plate, the plane wear-resistant plate is installed on the plane of the top of the spherical crown steel lining plate, and lubricating grease is coated on the surface of the plane wear-resistant plate.

7. The anti-drop tensile ball support according to claim 5, wherein: the second friction pair comprises a side stainless steel plate and a lateral sliding strip, wherein the side stainless steel plate is installed on the tensile block, and the lateral sliding strip is installed on the side surface of the top plate.

8. The anti-drop tensile ball support according to claim 5, wherein: the spherical wear-resistant plate is attached to the arc surface of the bottom surface of the spherical crown steel lining plate, and a grease storage pit is arranged on the surface of the spherical crown steel lining plate.