Anti-drawing and anti-overturning support structure

Abstract

The utility model discloses an anti-drawing and anti-overturning support structure, which comprises a top plate, a bottom plate, a bottom plate and an anti-drawing and anti-overturning support structure, and is characterized in that the top plate is mounted at the bottom of a beam; a support body; a pull rod; wherein the support body is located between the top plate and an abutment, the first end of the pull rod is embedded in the abutment, and the second end of the pull rod is installed on the top plate. Drawing force can be resisted, overturning is avoided, cost is low, and the support is easy to replace.

Description

Technical Field

[0001] The utility model relates to the field of prestressing, in particular to a support structure that resists pulling out and overturning. Background Art

[0002] At present, the tensile bearings used in bridges are generally spherical tensile bearings and pot-type tensile bearings. Such tensile bearings are equipped with tensile mechanisms on the upper and lower plates of the bearings. The tensile mechanisms increase with the increase of tensile force, the investment cost of the bearings is high, and the upper and lower plates of the bearings are easily damaged under large loads, making the maintenance cost increasingly high. Summary of the invention

[0003] The utility model aims to provide a support structure that resists pulling out and overturning, which can resist pulling out force and avoid overturning, has low cost and is easy to replace the support.

[0004] A support structure that resists pulling out and overturning, comprising: a top plate, which is used to be installed on the bottom of a beam; a support body; and a tie rod. The support body is located between the top plate and the pier, the first end of the tie rod is pre-buried in the pier, and the second end of the tie rod is installed on the top plate.

[0005] In one of the embodiments, the top plate is provided with a mounting through hole, and the pull rod passes through the mounting through hole.

[0006] In one of the embodiments, a guide block is provided at the bottom of the top plate, the guide block is located between the top plate and the pier, and the mounting through hole passes through the guide block.

[0007] In one embodiment, a first nut is provided at the first end of the pull rod, and the pull rod and the first nut are threadably matched.

[0008] In one embodiment, two first nuts are disposed at the first end of the pull rod, and a first washer is disposed between the two first nuts.

[0009] In one embodiment, a second nut is provided at the second end of the pull rod, and the pull rod and the second nut are threadably matched.

[0010] In one embodiment, two second nuts are disposed at the second end of the pull rod, and a second washer is disposed between the lowermost second nut and the top plate.

[0011] In one embodiment, the mounting through hole is in the shape of an elongated strip or a circle.

[0012] In one embodiment, the inner diameter of the mounting through hole is at least 0.5 cm greater than the outer diameter of the pull rod.

[0013] In one of the embodiments, a cushion stone is provided between the support body and the pier.

[0014] Compared with the prior art, the advantages of the anti-pullout and anti-overturning support structure of the utility model are:

[0015] 1. The utility model installs a top plate at the bottom of the beam, and a tie rod is arranged between the top plate and the pier. The tie rod is made of round steel, the first end of the tie rod is embedded in the pier, and the second end passes through the top plate and is fixed with a second nut. When the bridge is pulled up or overturned, the tie rod will limit the pull-up or overturning of the bridge, thereby ensuring the safety of the bridge. The utility model has a reasonable structure, convenient construction, easy maintenance, and low cost, and provides a more economical pull-out and anti-overturning plate rubber bearing for bridge design.

[0016] 2. Set up long strip-shaped mounting holes to achieve freedom in two directions; or set up the mounting holes to be larger than the pull rods to achieve freedom in multiple directions.

[0017] The present invention will become more clear through the following description in conjunction with the accompanying drawings, which are used to explain the embodiments of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the top plate in the first embodiment of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the second embodiment of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the top plate in the second embodiment of the present utility model.

[0023] Among them, 1. top plate, 2. support body, 3. pull rod, 4. second nut, 5. second washer, 6. guide block, 7. first washer, 8. pad stone, 9. pier, 10. first nut, 11. steel plate on the support, 12. stainless steel plate, 13. fastener, 14. installation through hole. DETAILED DESCRIPTION

[0024] Embodiments of the present invention will now be described with reference to the accompanying drawings.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Embodiment 1

[0028] like Figure 1 , 2 As shown, the anti-pullout and anti-overturning bearing structure of this embodiment includes: a top plate 1, which is used to be installed at the bottom of the beam; a bearing body 2; and a tie rod 3; wherein the bearing body 2 is located between the top plate 1 and the pier 9, the first end of the tie rod 3 is pre-buried in the pier 9, and the second end of the tie rod 3 is installed on the top plate 1. A cushion stone 8 is provided between the bearing body 2 and the pier 9. The tie rod 3 is used to connect the pier 9 and the top plate 1 into an anti-pull device, so that the plate rubber bearing has an additional function of resisting the pull-out and overturning of the bridge in addition to being able to withstand the vertical bearing capacity of the bridge. When the bridge is subjected to pull-out force or overturning, the tie rod 3 will play a role in limiting the pull-out or overturning of the bridge, thereby playing a role in ensuring the safety of the bridge.

[0029] In this embodiment, the support body 2 is a plate-type rubber support, including but not limited to a skateboard rubber support and an ordinary plate-type rubber support, and its form includes but is not limited to circular and rectangular.

[0030] A first nut 10 is provided at the first end of the pull rod 3 , and the pull rod 3 and the first nut 10 are threadedly matched.

[0031] Two first nuts 10 are provided at the first end of the tie rod 3, and a first washer 7 is provided between the two first nuts 10. The first nuts 10 and the first washer 7 are also pre-buried in the pier 9 to increase the overall force strength of the tie rod 3 and the pier 9. The two first nuts 10 can be tightened relative to each other to position the first nuts 10 at the preset position of the tie rod 3, and they are pre-buried in the pier 9 to resist the rotation of the tie rod 3 so that the tie rod 3 can be disengaged from the pier 9. The first washer 7 increases the force area of ​​the tie rod 3 relative to the pier 9, so that the pier 9 can bear more pulling force.

[0032] The top plate 1 is provided with a mounting through hole 14, and a guide block 6 is provided at the bottom of the top plate 1. The guide block 6 is used to reduce the bending moment generated by the lateral force on the tie rod 3. The guide block 6 is welded to the bottom of the top plate 1, and the guide block 6 is located between the top plate 1 and the pier 9. The mounting through hole 14 passes through the guide block 6. The guide block 6 basically spans the gap between the top plate 1 and the cushion stone 8, but the guide block 6 does not contact the cushion stone 8. The gap between the guide block 6 and the cushion stone 8 is used to provide space for the elastic support of the support body 2.

[0033] The tie rod 3 passes through the mounting through hole 14. The second end of the tie rod 3 is provided with a second nut 4, and the tie rod 3 and the second nut 4 are threadedly matched. The second end of the tie rod 3 is connected to the top plate 1 by tightening the second nut 4, which is a detachable connection, and the support body 2 can be replaced quickly and conveniently.

[0034] Two second nuts 4 are provided at the second end of the pull rod 3, and a second washer 5 is provided between the lowermost second nut 4 and the top plate 1. The fixing method of the two second nuts 4 and the second washer 5 can prevent loosening and provide better pulling force.

[0035] In this embodiment, four tie rods 3 are provided, and the second ends of the tie rods 3 are installed on the four edges of the top plate 1, and the beam body is connected to the middle of the top plate 1. It does not affect the structure of the beam body, nor does it affect the normal use of the support body 2. When necessary, the support body 2 can be quickly replaced.

[0036] In this embodiment, the upper end of the top plate 1 is connected to the beam body to bear the upward pull force of the beam body. Guide blocks 6 are welded on both sides of the lower end to reduce the bending moment caused by the lateral force on the tie rod 3. The support body 2 bears the vertical load of the beam body. The first end of the tie rod 3 is pre-buried in the pier 9. The first nut 10 and the first washer 7 increase the pull-out resistance of the tie rod 3. The second end of the tie rod 3 passes through the guide block 6 and the mounting hole 14 of the top plate 1 and is locked with the second washer 5 and two second nuts 4. The upward pull force of the beam body is transmitted to the pier 9 through the top plate 1 and the tie rod 3, and finally the pier 9 bears the upward pull force generated by the beam body.

[0037] Embodiment 2

[0038] The difference between the second embodiment and the first embodiment is that:

[0039] like Figure 3 , 4 As shown, in this embodiment, the support body 2 is a skateboard rubber support, the upper part of the support body 2 is equipped with a support upper steel plate 11 and a stainless steel plate 12, the fastener 13 connects the support upper steel plate 11 and the top plate 1 together, the fastener 13 includes but is not limited to bolts, clamps, and fixtures, the installation through hole 14 is a long strip, and the two pull rods 3 share one installation through hole 14. The pull rod 3 can slide along the long hole to provide the support body 2 with freedom of movement in two directions.

[0040] This embodiment realizes freedom in two directions by setting a long strip-shaped installation hole 14, but is not limited to this embodiment. It can also be designed that the inner diameter of the installation hole 14 is at least 0.5 cm, or 1 cm, or 2 cm larger than the outer diameter of the pull rod 3, so that the pull rod 3 can slide in all directions in the installation hole 14, providing a small amount of activity in all directions for the support body 2.

[0041] The present invention is described above in conjunction with the best embodiments, but the present invention is not limited to the embodiments disclosed above, but should cover various modifications and equivalent combinations based on the essence of the present invention.

Claims

1. A support structure that resists pulling out and overturning, characterized in that: include: A top plate, the top plate is used to be installed on the bottom of the beam; Support body; Tie rod; Wherein, the support body is located between the top plate and the pier, the first end of the tie rod is pre-buried in the pier, and the second end of the tie rod is installed on the top plate.

2. The anti-pullout and anti-overturning support structure according to claim 1, characterized in that: The top plate is provided with a mounting through hole, and the pull rod passes through the mounting through hole.

3. The anti-pullout and anti-overturning support structure according to claim 2, characterized in that: A guide block is provided at the bottom of the top plate, the guide block is located between the top plate and the pier, and the mounting through hole passes through the guide block.

4. The anti-pullout and anti-overturning support structure according to claim 1, characterized in that: A first nut is provided at the first end of the pull rod, and the pull rod and the first nut are threadedly matched.

5. The anti-pullout and anti-overturning support structure according to claim 4, characterized in that: The first end of the pull rod is provided with two first nuts, and a first washer is provided between the two first nuts.

6. The anti-pullout and anti-overturning support structure according to claim 1, characterized in that: A second nut is provided at the second end of the pull rod, and the pull rod and the second nut are threadedly matched.

7. The anti-pullout and anti-overturning support structure according to claim 6, characterized in that: Two second nuts are disposed at the second end of the pull rod, and a second washer is disposed between the lowermost second nut and the top plate.

8. The anti-pullout and anti-overturning support structure according to claim 2 or 3, characterized in that: The mounting through hole is in the shape of an elongated strip or a circle.

9. The anti-pullout and anti-overturning support structure according to claim 2 or 3, characterized in that: The inner diameter of the mounting through hole is at least 0.5 cm greater than the outer diameter of the pull rod.

10. A tensile and anti-overturning support structure according to any one of claims 1 to 7, characterized in that: A cushion stone is arranged between the support body and the pier.

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