Anchoring plate type anchoring structure

Abstract

The utility model discloses an anchor pulling plate type anchoring structure which comprises an anchor backing plate inclining upwards and towards one side, a connecting groove inclining in the inclining direction of the anchor backing plate is formed in the anchor backing plate, the end, away from a horizontal connecting side, of the connecting groove is provided with an opening, an anchor pipe is connected into the connecting groove, and a middle movable pipe is arranged in the anchor pipe. A plurality of first vulcanized rubber strips are arranged between the middle movable pipe and the inner wall of the anchor pipe, a connecting sleeve is arranged in the middle movable pipe, a plurality of second vulcanized rubber strips are connected between the inner wall of the middle movable pipe and the outer wall of the connecting sleeve, and a mounting gap is reserved between the lower end of the anchor pipe and the connecting groove. One end of the middle movable pipe is connected with a clamping sleeve extending into the installation gap, the clamping sleeve is composed of a plurality of elastic clamping pieces expanding outwards, and the free end of the clamping sleeve is detachably connected with a clamping lantern ring. According to the utility model, the axial and radial energy dissipation and vibration reduction structures are added, so that the cyclic stress bearing capacity is improved, the service life of the anchor pulling plate is prolonged, and the safety and durability of the whole bridge structure are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge engineering technical field, especially a kind of anchor plate type anchoring structure. BACKGROUND

[0002] In modern bridge engineering, with the continuous improvement of the safety, durability and construction efficiency requirements of bridge structure, anchoring technology, as one of the key technical links in bridge construction, its importance is increasingly prominent. Traditionally, the anchoring solution of bridge relies on concrete or steel structure to realize, these methods meet the basic needs of bridge design within a certain range. However, with the continuous increase of bridge span and the continuous growth of traffic flow, the traditional anchoring method gradually exposes some shortcomings, especially in high-strength use environment and complex geological conditions.

[0003] As an innovative bridge anchoring component, anchor plate exhibits unique advantages in improving the overall performance of bridge. Anchor plate distributes tension evenly to the key parts of bridge structure, not only enhances the ability of bridge to resist external force, but also significantly improves the stability and carrying capacity of bridge. In addition, the design flexibility of anchor plate allows it to adapt to different types of bridge structure, providing engineers with more design freedom, thus meeting various complex engineering needs.

[0004] Although anchor plate has made significant progress in bridge engineering field, the existing anchor plate design generally adopts rigid structure. Although this structure can effectively cope with the influence of vehicle dynamic load, wind load and other cyclic stresses in the short term, long-term bearing of the above stresses will cause fatigue cracks at the anchoring node. These problems not only affect the service life of anchor plate itself, but also pose a potential threat to the safety and durability of the entire bridge structure. SUMMARY

[0005] The utility model aims at providing a kind of anchor plate type anchoring structure, increase axial and radial energy dissipation vibration reduction structure, to increase its bearing capacity to cyclic stress, improve the service life of anchor plate, improve the safety and durability of the entire bridge structure.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] The utility model provides an anchor -tie plate type anchoring structure, include the anchor pad that inclines to one side to the upward, the lower edge of anchor pad is horizontal connecting edge, anchor pad is provided with the connecting groove that inclines along its oblique direction and opens away from the one end of horizontal connecting edge, the connecting groove is connected with anchor pipe, is provided with intermediate movable pipe in the anchor pipe, is provided with a plurality of first vulcanized rubber between the inner wall of anchor pipe and intermediate movable pipe and is circumferentially distributed, is provided with connecting sleeve pipe in the intermediate movable pipe, is connected with a plurality of second vulcanized rubber between the inner wall of intermediate movable pipe and the outer wall of connecting sleeve pipe and is circumferentially distributed, the lower end of anchor pipe and the connecting groove leave the installation gap, one end of intermediate movable pipe is connected with the clamping sleeve pipe that enters the installation gap, the clamping sleeve pipe is composed of a plurality of elastic clamping piece that is circumferentially distributed and expands outward, the free end of clamping sleeve pipe is detachably connected with clamping sleeve ring, the inner diameter of clamping sleeve ring is less than the outer diameter of clamping sleeve ring.

[0008] Through adopting the above technical scheme, when installing, the cable is inserted into the anchor pipe, and is taken out from the connecting sleeve pipe into the installation gap, then the elastic clamping piece is clamped inward to the cable by using the clamping mechanism, and then the clamping sleeve ring is sleeved on the free end of the clamping sleeve pipe, and the clamping sleeve ring and the clamping sleeve pipe are welded to form a stable connection.

[0009] When the vehicle dynamic load, wind load and other cyclic stress make the cable vibrate or swing, the strong tension formed by the vibration or swing makes the cable pull the connecting sleeve pipe back and forth, or makes the connecting sleeve pipe extrude the inner wall of the anchor pipe radially, when the connecting sleeve pipe moves back and forth, the first vulcanized rubber and the second vulcanized rubber generate strong damping and perform multi-stage energy dissipation, or the first vulcanized rubber and the second vulcanized rubber are extruded, and the first vulcanized rubber and the second vulcanized rubber also generate radial damping energy dissipation, so as to consume the vibration or swing energy of the cable, prevent the vibration energy from causing fatigue cracks at the anchoring node, and prolong the overall service life of the bridge.

[0010] The utility model further provides that: the anchor pad is provided with a plurality of stiffeners arranged along the oblique direction on both sides.

[0011] The utility model further provides that: each stiffener is connected to the side wall of the anchor pad by welding.

[0012] The utility model further provides that: the connecting groove comprises an installation section close to the horizontal connecting edge and a connecting section away from the horizontal connecting edge, the width of the installation section is greater than the width of the connecting section, the anchor pipe is provided with an upper limiting ring and a lower limiting ring at the upper and lower ends of the connecting section, the width of the upper limiting ring is greater than the width of the connecting section, and the width of the lower limiting ring is greater than the width of the connecting section and less than the width of the installation section.

[0013] The utility model discloses further provide for: the free end of the anchor pipe is outwardly extended the connecting groove.

[0014] The utility model discloses further provide for: the inboard of every elastic clamping piece is provided with rubber clamping piece, and every rubber clamping piece is gradually thick to the direction away from the anchor pipe.

[0015] The utility model discloses further provide for: the outer wall of the anchor pipe is connected with the inner wall of the connecting groove through welding.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model discloses utilize the first vulcanized rubber and the second vulcanized rubber between the connecting sleeve pipe and the intermediate movable pipe, when the cable-stayed steel cable produces vibration or swing under the cyclic stress effect such as vehicle dynamic load, wind load, produce damping energy consumption when axial expansion, produce damping energy consumption when radial extrusion, effectively consume the energy of cable-stayed steel cable vibration or swing, prevent vibration energy and make the fatigue crack at the anchoring node, to prolong the overall service life of bridge. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the overall structure schematic diagram of anchor backing plate;

[0020] Figure 3 It is the local sectional view for showing the internal structure of anchor pipe;

[0021] Figure 4 Mainly used for showing the rubber clamping piece in elastic clamping piece.

[0022] In the drawing: 1, anchor backing plate;2, horizontal connecting edge;3, installation section;4, connecting section;5, stiffener;6, anchor pipe;7, upper limit ring;8, lower limit ring;9, intermediate movable pipe;10, first vulcanized rubber;11, connecting sleeve pipe;12, second vulcanized rubber;13, elastic clamping piece;14, clamping sleeve ring;15, rubber clamping piece. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in connection with the drawings.

[0024] In the description of the utility model, it is necessary to understand that the orientation or position relation indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer" and the like is the orientation or position relation based on the drawings shown, and is merely for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined.

[0026] In the description of the utility model, it is necessary to understand that the terms "set", "connected", "connected" should be understood broadly unless otherwise explicitly specified and limited, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Embodiment, refer to Figures 1-4 Anchoring structure, comprising an upward and one side inclined anchor pad 1, the lower edge of anchor pad 1 is a horizontal connecting edge 2, so that anchor pad 1 can be welded on the upper edge of the main longitudinal beam through horizontal connecting edge 2, anchor pad 1 is provided with a connecting groove inclined along the inclined direction and away from the opening end of horizontal connecting edge 2, the connecting groove comprises an installation section 3 close to horizontal connecting edge 2 and a connecting section 4 away from horizontal connecting edge 2, the width of installation section 3 is greater than that of connecting section 4, a stiffener 5 is arranged on the two sides of the connecting groove along the inclined direction, and the lower end of each stiffener 5 extends to horizontal connecting edge 2, each stiffener 5 is connected with the side wall of anchor pad 1 by welding, and the lower end of stiffener 5 is also connected with the upper edge of the main longitudinal beam by welding.

[0028] A connecting section 4 is connected with an anchor pipe 6, the outer wall of anchor pipe 6 is connected with the inner wall of connecting groove by welding, a circle of upper limiting ring 7 and a circle of lower limiting ring 8 are arranged at the upper and lower ends of connecting section 4, the width of upper limiting ring 7 is greater than that of connecting section 4, the anchor pipe 6 can be more stably connected in the connecting section 4 through the block of upper limiting ring 7 and lower limiting ring 8, the width of lower limiting ring 8 is greater than that of connecting section 4 and less than that of installation section 3, and the free end of anchor pipe 6 extends out of the connecting groove.

[0029] An intermediate movable pipe 9 is arranged in the anchor pipe 6, four first vulcanized rubbers 10 are arranged between the intermediate movable pipe 9 and the inner wall of the anchor pipe 6 in a circumferential distribution, a connecting sleeve pipe 11 is arranged in the intermediate movable pipe 9, four second vulcanized rubbers 12 are connected between the inner wall of the intermediate movable pipe 9 and the outer wall of the connecting sleeve pipe 11 in a circumferential distribution, so that the connecting sleeve pipe 11 can carry out multi-stage energy dissipation and vibration reduction when subjected to tension, a mounting gap is left between the lower end of the anchor pipe 6 and the connecting groove, one end of the intermediate movable pipe 9 is connected with a clamping sleeve pipe extending into the mounting gap, the clamping sleeve pipe is composed of four elastic clamping pieces 13 which are distributed in a circumferential distribution and expand outward, a clamping sleeve ring 14 is detachably connected to the free end of the clamping sleeve pipe, the inner diameter of the clamping sleeve ring 14 is smaller than the outer diameter of the clamping sleeve ring 14, and each elastic clamping piece 13 is provided with a rubber clamping piece 15 on the inner side, each rubber clamping piece 15 gradually thickens away from the anchor pipe 6, so as to clamp the cable-stayed cable more stably.

[0030] Working principle: when installing, the cable-stayed cable is inserted into the anchor pipe 6 and then out of the connecting sleeve pipe 11 into the mounting gap, then the elastic clamping pieces 13 are clamped inward to the cable-stayed cable by using the clamping mechanism, and then the clamping sleeve ring 14 is sleeved on the free end of the clamping sleeve pipe, and the clamping sleeve ring 14 is welded with the clamping sleeve pipe to form a stable connection.

[0031] When the vehicle dynamic load, wind load and other cyclic stress actions make the cable-stayed cable vibrate or swing, the strong tension formed by the cable-stayed cable pulls the connecting sleeve pipe 11 back and forth or drives the connecting sleeve pipe 11 to radially extrude the inner wall of the anchor pipe 6, when the connecting sleeve pipe 11 moves back and forth, the first vulcanized rubber 10 and the second vulcanized rubber 12 generate strong damping and carry out multi-stage energy dissipation, or extrude the first vulcanized rubber 10 and the second vulcanized rubber 12, the first vulcanized rubber 10 and the second vulcanized rubber 12 also generate radial damping energy dissipation, consume the energy of the cable-stayed cable vibration or swing, and prevent the vibration energy from causing fatigue cracks at the anchorage joint, so as to prolong the overall service life of the bridge.

[0032] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and those skilled in the art can make modifications without creative contribution according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. An anchor plate type anchoring structure, comprising an anchor plate (1) that is inclined upward and to one side, wherein the lower edge of the anchor plate (1) is a horizontal connecting edge (2), and the anchor plate (1) has a connecting groove that is inclined along its inclined direction and opens at one end away from the horizontal connecting edge (2), wherein an anchor pipe (6) is connected in the connecting groove, characterized in that, An intermediate movable tube (9) is provided inside the anchor tube (6). Multiple first vulcanized rubbers (10) arranged in a circular pattern are provided between the intermediate movable tube (9) and the inner wall of the anchor tube (6). A connecting sleeve (11) is provided inside the intermediate movable tube (9). Multiple second vulcanized rubbers (12) arranged in a circular pattern are connected between the inner wall of the intermediate movable tube (9) and the outer wall of the connecting sleeve (11). An installation gap is left between the lower end of the anchor tube (6) and the connecting groove. A clamping sleeve extending into the installation gap is connected to one end of the intermediate movable tube (9). The clamping sleeve is composed of multiple elastic clamping pieces (13) arranged in a circular pattern and expanding outward. A clamping collar (14) is detachably connected to the free end of the clamping sleeve. The inner diameter of the clamping collar (14) is smaller than the outer diameter of the clamping collar (14).

2. The anchor plate type anchoring structure according to claim 1, characterized in that, Both sides of the anchor plate (1) are provided with multiple stiffening strips (5) arranged along its inclined direction, and the lower end of each stiffening strip (5) extends to the horizontal connecting edge (2).

3. The anchor plate type anchoring structure according to claim 2, characterized in that, Each stiffening strip (5) is welded to the side wall of the anchor plate (1).

4. The anchor plate type anchoring structure according to claim 1, characterized in that, The connecting groove includes an installation section (3) near the horizontal connecting edge (2) and a connecting section (4) away from the horizontal connecting edge (2). The width of the installation section (3) is greater than the width of the connecting section (4). The anchor pipe (6) is provided with an upper limit ring (7) and a lower limit ring (8) at the upper and lower ends of the connecting section (4). The width of the upper limit ring (7) is greater than the width of the connecting section (4), and the width of the lower limit ring (8) is greater than the width of the connecting section (4) and less than the width of the installation section (3).

5. The anchor plate type anchoring structure according to claim 4, characterized in that, The free end of the anchor pipe (6) extends outward from the connecting groove.

6. The anchor plate type anchoring structure according to claim 1, characterized in that, Each elastic clip (13) has a rubber clip (15) on its inner side, and each rubber clip (15) gradually becomes thicker in the direction away from the anchor tube (6).

7. The anchor plate type anchoring structure according to claim 1, characterized in that, The outer wall of the anchor pipe (6) is connected to the inner wall of the connecting groove by welding.

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