CN210420852U

CN210420852U - Damping shock-insulation rubber support for anti-falling beam

Info

Publication number: CN210420852U
Application number: CN201921015036.1U
Authority: CN
Inventors: 王同辉; 张栖浩; 王舟伟
Original assignee: Sichuan Shuangjian Road & Bridge Machinery Co ltd
Current assignee: Sichuan Shuangjian Road & Bridge Machinery Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-28
Anticipated expiration: 2029-07-02

Abstract

The utility model provides a prevent roof beam damping shock insulation rubber support that falls, upper bracket board, support body and bottom suspension bedplate that connect gradually including top-down, its characterized in that, support body middle part is equipped with the vacant region that runs through its upper and lower surface, wear to be equipped with in the vacant region with the pulling force mechanism that upper bracket board and bottom suspension bedplate are connected, pulling force mechanism can be along with support deformation and switch in lax and taut. Compared with the traditional structure, the utility model has the advantages that the structure is simple and the processing and the manufacturing are convenient due to the top-down assembly design; the tension mechanism is arranged in the middle of the support body and fixedly connected with the support body, the vertical bearing and swinging of the bridge are met, the safe conversion is realized when the horizontal force exceeds the limit horizontal force state, the beam falling is prevented, and the purpose of protecting the bridge is achieved.

Description

Damping shock-insulation rubber support for anti-falling beam

Technical Field

The utility model belongs to the technical field of public road bridge beam engineering component, concretely relates to prevent roof beam damping shock insulation rubber support that falls.

Background

China is a country with multiple earthquakes, and the earthquakes bring tragic training to people. The method has the advantages that the falling of the beam of the upper structure of the bridge is the primary reason for the collapse of the bridge, the life line of the earthquake area is cut off, serious secondary disasters and economic losses are brought, and therefore more and more attention is paid to the problem of preventing the falling of the beam in the bridge engineering field of China.

At present, in the traditional design of a beam falling prevention device in actual engineering, spherical bodies such as spherical crown lining plates and the like are needed to enable the device to swing, and limit pieces such as stop blocks and the like are arranged to limit the swing angle of the device so as to prevent the beam falling, so that the beam falling prevention device is complex in structure and complex to manufacture; in addition, although the existing beam falling prevention device plays a certain role in the earthquake process, the device itself is seriously damaged when the horizontal force exceeds the limit horizontal force, and the support and the lower structure are also seriously damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, manufacturing are simple and easy and satisfy the vertical bearing of bridge, swing and exceed the roof beam damping shock insulation rubber support that prevents that falls of safe conversion under the limit horizontal force state at the horizontal force, can guarantee the integrality of support behind the limit horizontal force and do not damage, reach the rigid body displacement between the restriction adjacent roof beam, between roof beam and pier, roof beam and the pier when realizing the shock attenuation effect.

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

the utility model provides a pair of prevent roof beam damping shock insulation rubber support, upper bracket board, support body and bottom suspension bedplate that set gradually including top-down, support body middle part is equipped with the vacant region that runs through its upper and lower surface, wear to be equipped with in the vacant region with the pulling force mechanism that upper bracket board and bottom suspension bedplate are connected, pulling force mechanism can be along with support deformation and switch in lax and taut.

Furthermore, the tension mechanism comprises a tension rope and anchors, the anchors are correspondingly embedded in the upper support plate and the lower support plate and are connected with the support body through anchor bolts, and two ends of the tension rope are respectively connected with the adjacent anchors.

Further, the tensile rope is a carbon fiber rope.

Furthermore, the support body comprises an upper sealing plate, a rubber matrix and a lower sealing plate which are sequentially vulcanized into a whole from top to bottom, a stiffening steel plate which is laminated at intervals is embedded in the rubber matrix, and the anchor is connected with the upper sealing plate and the lower sealing plate respectively by adopting an anchor bolt.

Furthermore, the anchor is of a boss structure and extends towards the vacant area, one surface of the anchor facing the upper sealing plate or the lower sealing plate is in contact with the upper sealing plate or the lower sealing plate, and two ends of the tensile rope are wound and fixed on the convex part of the anchor and are matched with the upper sealing plate or the lower sealing plate to press the end part of the tensile rope.

Further, tensile mechanism still includes high-elastic pipe, high-elastic pipe is located in the middle of the support body and with the support body vulcanizes fixedly, tensile rope wears to locate in the high-elastic pipe.

Furthermore, the high-elasticity round pipe is a high-elasticity rubber pipe.

Through the technical scheme and the utility model discloses theory of operation's combination inspiration can know, can conclude the utility model discloses comparatively important several beneficial effect:

1. compared with the traditional structure, the utility model has the advantages that the structure is simple and the processing and the manufacturing are convenient due to the top-down assembly design; the tension mechanism is arranged in the middle of the support body and fixedly connected with the support body, so that the vertical bearing and swinging of the bridge are met, the safe conversion is realized when the horizontal force exceeds the limit horizontal force, the beam falling is prevented, and the aim of protecting the bridge is fulfilled;

2. the high-elastic round tube is arranged, so that the tensile rope is isolated from the rubber base body of the support body, and the support body is guaranteed to be in an isolation state after being in a limit horizontal force, so that the integrity of the support is kept without being damaged.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the full-section structure of the present invention;

FIG. 2 is an enlarged view of the upper bracket plate and the tension cord connected to the anchor;

FIG. 3 is a schematic view of the structure of the present invention connected to a beam;

fig. 4 is a schematic structural view of the utility model when the tension rope prevents the beam from falling off.

The reference numerals are explained below:

1: an upper support plate 2: upper sealing plate

3: rubber base 31: stiffened steel plate

4: a lower closing plate 5: lower support plate

6: tension rope 7: anchor device

71: and (3) a boss 8: anchor bolt

9: the connecting bolt 10: high-elastic round tube.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1-2, the utility model provides a prevent roof beam damping shock insulation rubber support that falls, including upper bracket board 1, support body and bottom suspension 5 that top-down set gradually, support body middle part is equipped with the vacant region that runs through its upper and lower surface, wears to be equipped with in the vacant region with support body fixed connection's tensile mechanism, the upper and lower terminal surface of tensile mechanism flushes with 1 upper surface of upper bracket board, 5 lower surfaces of bottom suspension respectively. The utility model has the advantages of simple structure and convenient processing and manufacturing due to the top-down assembly design; the tension mechanism is arranged in the middle of the support body and fixedly connected with the support body, the vertical bearing and swinging of the bridge are met, the safe conversion is realized when the horizontal force exceeds the limit horizontal force state, the beam falling is prevented, and the purpose of protecting the bridge is achieved.

The tension mechanism comprises a tension rope 6 and an anchor 7, the upper end and the lower end of the tension rope 6 are respectively pressed on the support body through the anchor 7, and the anchor 7 is respectively fixedly connected with the upper end face and the lower end face of the support body through an anchor bolt 8.

The support body comprises an upper sealing plate 2, a rubber matrix 3 and a lower sealing plate 4 which are integrally vulcanized. Specifically, the upper support plate 1 and the upper sealing plate 2, and the lower support plate 5 and the lower sealing plate 4 are fixedly connected through connecting bolts 9; through-holes are respectively formed in the middle parts of the upper support plate 1 and the lower support plate 5, an anchor 7 is installed in the through-holes, the upper end and the lower end of the tension rope 6 are respectively pressed on the upper sealing plate 2 and the lower sealing plate 4 through the anchor 7, and the anchor 7 is respectively fixedly connected with the upper sealing plate 2 and the lower sealing plate 4 through an anchor bolt 8. In order to improve the strength of the rubber base body 3, the stiffening steel plates 31 are embedded in the rubber base body 3 at intervals, and the stiffening steel plates 31 are uniformly and symmetrically distributed by taking the tension rope 6 as a center.

In the present embodiment, the tensile cord 6 is preferably a carbon fiber cord. When the support is actually processed and manufactured, the length of the carbon fiber rope is set to be 80% of the ultimate deformation displacement of the rubber matrix 3, and the maximum design tension is 3 times of the horizontal force for fixing the rubber matrix 3.

A boss 71 is arranged in the middle of one surface of the anchor 7, which is pressed against the tension rope 6, and the boss 71 extends into the vacant area and is in surface contact with the upper closing plate 2 or the lower closing plate 4. The boss 71 increases the contact area with the tensile rope 6, can compress the tensile rope 6 well, and then fix the dead-locking tensile rope 6 respectively with the anchor 7 and the upper sealing plate 2, the lower sealing plate 4 fixed connection simultaneously through the anchor bolt 8. Of course, the structure capable of anchoring the tensile cord 6 is not limited thereto, and other structures capable of achieving the purpose are listed herein. In the actual manufacturing of the present mount, the anchor 7 needs to be anchored and molded prior to vulcanization.

Tensile mechanism still includes high-elastic pipe 10, and high-elastic pipe 10 is located in the middle of the support body and is vulcanized fixed with the support body, and tensile rope 6 wears to locate in high-elastic pipe 10. The high-elastic round tube 10 is arranged, so that the tensile rope 6 is isolated from the rubber base body 3 of the support body, and the support body is in an isolated state after being in a limit horizontal force, so that the integrity of the support is kept without damage. In the present embodiment, the round high-resilience tube 10 is preferably a high-resilience rubber tube whose tensile properties are set to 1.5 times that of the rubber substrate 3.

Select according to design and construction requirement, the utility model discloses and be connected between pier (not shown in the figure) adopt welding mode or bolted connection mode, then integral erection is in roof beam body below, because the rubber substrate body can effectively subtract the shock insulation when bearing roof beam body vertical load, as shown in fig. 3. In the earthquake process, as shown in fig. 4, when the horizontal force exceeds the limit horizontal force of the utility model, the beam falling is prevented through the tension rope 6, so as to realize the purpose of preventing the beam falling, thereby achieving the purpose of protecting the bridge; meanwhile, the high-elasticity round pipe 10 arranged in the middle of the rubber base body 3 isolates the tension rope 6, and the support is ensured to be in an isolated state after being in a limit horizontal force, so that the integrity of the support is kept without being damaged.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, which should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Prevent roof beam damping shock insulation rubber support that falls, including upper bracket board (1), support body and bottom suspension bedplate (5) that top-down connected gradually, its characterized in that, support body middle part is equipped with the vacant region that runs through its upper and lower surface, wear to be equipped with in the vacant region with the tensile mechanism that upper bracket board (1) and bottom suspension bedplate (5) are connected, tensile mechanism can be along with support deformation and switch in lax and taut.

2. The anti-drop beam damping and shock isolating rubber support is characterized in that the tension mechanism comprises a tension rope (6) and anchors (7), the anchors (7) are correspondingly embedded in the upper support plate (1) and the lower support plate (5) and are connected with the support body through anchor bolts (8), and two ends of the tension rope (6) are respectively connected with the adjacent anchors (7).

3. The anti-falling beam damping and shock isolating rubber support saddle as claimed in claim 2, wherein the tensile rope (6) is a carbon fiber rope.

4. The anti-drop beam damping shock insulation rubber support according to claim 2, wherein the support body comprises an upper sealing plate (2), a rubber base body (3) and a lower sealing plate (4) which are sequentially vulcanized into a whole from top to bottom, stiffening steel plates (31) which are stacked at intervals are embedded in the rubber base body (3), the vacant areas penetrate through the upper sealing plate (2), the rubber base body (3) and the lower sealing plate (4), and the anchors are respectively connected with the upper sealing plate (2) and the lower sealing plate (4) through anchor bolts (8).

5. The anti-drop beam damping and shock isolating rubber bearing as claimed in claim 4, wherein the anchor (7) is of a boss structure and extends towards an empty area, one surface of the anchor facing the upper sealing plate (2) or the lower sealing plate (4) is in contact with the upper sealing plate (2) or the lower sealing plate (4), two ends of the tensile rope (6) are wound and fixed on the protruding part of the anchor (7), and the end of the tensile rope (6) is pressed by the anchor (7) and the upper sealing plate (2) or the lower sealing plate (4) in a matching mode.

6. The anti-falling beam damping shock-insulation rubber support according to any one of claims 2 to 5, wherein the tensile mechanism further comprises a high-elasticity round pipe (10), the high-elasticity round pipe (10) is arranged in a middle vacant area of the support body and is vulcanized and fixed with the support body, and the tensile rope (6) is arranged in the high-elasticity round pipe (10) in a penetrating manner.

7. The anti-falling beam damping and shock isolating rubber support saddle as claimed in claim 6, wherein the high-elasticity round pipe (10) is a high-elasticity rubber pipe.