CN220977709U - Prestressed anchorage device capable of preventing fatigue deformation - Google Patents
Prestressed anchorage device capable of preventing fatigue deformation Download PDFInfo
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- CN220977709U CN220977709U CN202322692055.0U CN202322692055U CN220977709U CN 220977709 U CN220977709 U CN 220977709U CN 202322692055 U CN202322692055 U CN 202322692055U CN 220977709 U CN220977709 U CN 220977709U
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- pipe
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses a prestress anchorage device capable of preventing fatigue deformation, which comprises a fixed anchorage plate, wherein a plurality of anchorage holes are formed in the surface of the fixed anchorage plate, a clamp is arranged in each anchorage hole, a backing plate is arranged on the other side of the fixed anchorage plate, and a constraint ring is arranged on one side of the backing plate; one end of the constraint pipe is provided with a fixed ring, a limiting rod is arranged in the fixed ring, a spring is arranged on the surface of the limiting rod, a corrugated pipe is arranged at the other end of the constraint pipe, and a spiral rib is arranged on the surface of the constraint pipe. According to the utility model, through the arrangement of the springs, the springs are abutted between the fixed anchor plate and the constraint pipe when in use, so that a certain buffer effect is realized between the fixed anchor plate and the constraint pipe, and further, the situation that the fixed anchor plate is deformed due to direct contact between the fixed anchor plate and the constraint pipe is prevented, and through the arrangement of the constraint pipe, the steel strands are bound together when in use, so that the steel strands are kept vertical to the fixed anchor plate as much as possible, and the deformation is prevented from being generated due to uniform stress of the base plate.
Description
Technical Field
The utility model relates to the field of prestressed anchorage devices, in particular to a prestressed anchorage device capable of preventing fatigue deformation.
Background
The prestressed anchorage device is suitable for the anchorage device for the prestressed tensioning of the concrete in the engineering construction process. The method is commonly used in bridge construction, is used for pre-installing and positioning, then is used for pouring concrete, and is buried at two ends of the concrete, namely two ends of a corrugated pipe, and is an end face arranged for stabilizing a jack during tensioning.
Most of the fixed anchor plates and the backing plates of the existing prestressed anchorage are fixed by direct contact extrusion, so that the backing plates are easy to deform under the action of the tensile force of the steel stranded wires for a long time, the anchor is lost, the existing prestressed anchorage cannot be completely vertical to the fixed anchor plates during installation, and the fixed anchor plates are deformed due to uneven stress.
Disclosure of utility model
The utility model provides a prestress anchor capable of preventing fatigue deformation, which solves the problems in the prior art.
In order to solve the technical problems, the utility model adopts a technical scheme that: the pre-stressed anchor that prevents fatigue deformation includes,
The anchor plate is fixed, a plurality of anchor holes are formed in the surface of the anchor plate, a clamp is arranged in each anchor hole, a base plate is arranged on the other side of the anchor plate, and a constraint ring is arranged on one side of the base plate;
the utility model discloses a restriction pipe, the one end of restriction pipe is provided with the solid fixed ring, is provided with the gag lever post in the solid fixed ring, and the surface of gag lever post is provided with the spring, and the other end of restriction pipe is provided with the bellows, and the surface of restriction pipe is provided with the spiral muscle.
Preferably, the surface of the fixed anchor plate is provided with a plurality of anchor holes, and the anchor holes are of conical structures.
Preferably, the inside joint of anchor eye has anchor clamps, and anchor clamps are conical structure, and the draw-in groove has been seted up to the one end on anchor clamps surface, and the round joint has the steel ring in the draw-in groove, and the screw thread groove has evenly been seted up to the inner wall of anchor clamps, and the middle part joint of anchor clamps has the steel strand wires.
Preferably, the other side of the fixed anchor plate is inserted with a constraint ring, the other side of the constraint ring is fixedly connected with a backing plate, and the bottom end of the backing plate is provided with a grouting hole.
Preferably, the opposite side fixedly connected with constraint pipe of backing plate, the one end fixedly connected with of constraint pipe is fixed ring, and the middle part fixedly connected with gag lever post of fixed ring, the surface round joint of gag lever post has the spring, and one end and the one side butt of fixed ring of spring, the other end and the one side butt of fixed anchor plate of spring.
Preferably, the other end of the constraint pipe is fixedly connected with a corrugated pipe, and the surface of the constraint pipe is wound with a spiral rib.
The beneficial effects of the utility model are as follows: through the setting of spring, spring butt is between fixed anchor plate and constraint pipe during the use to have certain cushioning effect between fixed anchor plate and the constraint pipe and then play the condition that prevents fixed anchor plate and constraint pipe direct contact and lead to fixed anchor plate to warp and take place, through the setting of constraint pipe, tie up steel strand wires together during the use, thereby keep vertical with steel strand wires and fixed anchor plate as far as possible, make the backing plate atress evenly prevent to produce deformation.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic view of a clamp structure according to the present utility model;
FIG. 5 is a schematic view of a cross-sectional structure of a clamp according to the present utility model.
In the figure: 1. fixing the anchor plate; 101. an anchor hole; 2. a clamp; 201. a clamping groove; 202. a steel ring; 203. a thread groove; 3. a backing plate; 301. grouting holes; 4. a tie-down tube; 5. a bellows; 6. a fixing ring; 7. a limit rod; 8. a spring; 9. a confinement ring; 10. spiral ribs; 11. and (5) steel strand wires.
Detailed Description
In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.
It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but that the present utility model may be practiced otherwise than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.
In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that a direct connection indicates that two bodies connected together do not form a connection relationship by an excessive structure, but are connected to form a whole by a connection structure. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 to 5, the present utility model provides a technical solution: the anchor plate 1 is fixed, a plurality of anchor holes 101 are formed in the surface of the fixed anchor plate 1, a clamp 2 is arranged in the anchor holes 101, a base plate 3 is arranged on the other side of the fixed anchor plate 1, and a constraint ring 9 is arranged on one side of the base plate 3;
The constraint pipe 4, the one end of constraint pipe 4 is provided with solid fixed ring 6, is provided with gag lever post 7 in the solid fixed ring 6, and the surface of gag lever post 7 is provided with spring 8, and the other end of constraint pipe 4 is provided with bellows 5, and the surface of constraint pipe 4 is provided with spiral muscle 10.
The surface of the fixed anchor plate 1 is provided with a plurality of anchor holes 101, and the anchor holes 101 are of conical structures.
The inside joint of anchor eye 101 has anchor clamps 2, and anchor clamps 2 are conical structure, and draw-in groove 201 has been seted up to the one end on anchor clamps 2 surface, and the round joint has steel ring 202 in the draw-in groove 201, and thread groove 203 has evenly been seted up to anchor clamps 2's inner wall, and anchor clamps 2's middle part joint has steel strand wires 11.
The other side of the fixed anchor plate 1 is inserted with a constraint ring 9, the other side of the constraint ring 9 is fixedly connected with a backing plate 3, and the bottom end of the backing plate 3 is provided with a grouting hole 301.
The opposite side fixedly connected with constraint pipe 4 of backing plate 3, the one end fixedly connected with of constraint pipe 4 is fixed ring 6 of a plurality of, and the middle part fixedly connected with gag lever post 7 of fixed ring 6, the surface round joint of gag lever post 7 has spring 8, and one end and the one side butt of fixed ring 6 of spring 8, the other end and the one side butt of fixed anchor plate 1 of spring 8.
The other end of the constraint tube 4 is fixedly connected with a corrugated tube 5, and the surface of the constraint tube 4 is wound with a spiral rib 10.
When the steel stranded wire fixing device is used, the steel stranded wires 11 penetrate through the corrugated pipe 5, the constraint pipe 4 and the fixing anchor plate 1, each steel stranded wire 11 penetrates through the anchor hole 101 when penetrating through the fixing anchor plate 1, then the clamp 2 is sleeved at one end of the steel stranded wire 11, the clamp 2 is clamped on the surface of the steel stranded wire 11 when in use through the arrangement of the thread grooves 203, so that the friction force between the clamp 2 and the surface of the steel stranded wire 11 is larger, further the clamping effect is achieved, then the clamp 2 is inserted into the anchor hole 101, the steel stranded wire 11 is tensioned and straightened, the clamp 2 and the anchor hole 101 are pressed and fastened through the resilience force of the steel stranded wire 11, further the clamp 2 clamps the steel stranded wire 11 to be fastened, the fixing anchor plate 1 is driven to compress the spring 8 to shrink after the clamp 2 and the anchor hole 101 are pressed and fastened, the spring 8 is arranged, and the spring 8 is abutted between the fixing anchor plate 1 and the constraint pipe 4 when in use, and further a certain buffer effect is provided between the fixing anchor plate 1 and the constraint pipe 4, so that the situation that the fixing anchor plate 1 and the steel stranded wire 1 are deformed due to direct contact with the pipe 4 is prevented, and the constraint force is kept to be uniform when the steel stranded wire is arranged, and the constraint plate 1 is kept to be deformed, and the constraint force is kept to be as far as possible, and the constraint force is 3 is kept to be perpendicular when the constraint plate 1 is arranged.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.
The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. A prestressed anchorage device capable of preventing fatigue deformation, which is characterized in that: the pre-stressed anchor that prevents fatigue deformation includes,
The fixing anchor plate (1), the surface of the fixing anchor plate (1) is provided with a plurality of anchor holes (101), the inside of the anchor holes (101) is provided with a clamp (2), the other side of the fixing anchor plate (1) is provided with a base plate (3), and one side of the base plate (3) is provided with a constraint ring (9);
The utility model discloses a constraint pipe, constraint pipe (4), one end of constraint pipe (4) is provided with solid fixed ring (6), is provided with gag lever post (7) in gu fixed ring (6), and the surface of gag lever post (7) is provided with spring (8), and the other end of constraint pipe (4) is provided with bellows (5), and the surface of constraint pipe (4) is provided with spiral muscle (10).
2. A prestressed anchorage assembly for preventing fatigue deformation according to claim 1, wherein: the surface of the fixed anchor plate (1) is provided with a plurality of anchor holes (101), and the anchor holes (101) are of conical structures.
3. A prestressed anchorage assembly for preventing fatigue deformation according to claim 1, wherein: the anchor eye (101) inside joint has anchor clamps (2), and anchor clamps (2) are conical structure, and draw-in groove (201) have been seted up to one end on anchor clamps (2) surface, and the round joint has steel ring (202) in draw-in groove (201), and thread groove (203) have evenly been seted up to the inner wall of anchor clamps (2), and the middle part joint of anchor clamps (2) has stranded conductor (11).
4. A prestressed anchorage assembly for preventing fatigue deformation according to claim 1, wherein: the other side of the fixed anchor plate (1) is inserted with a constraint ring (9), the other side of the constraint ring (9) is fixedly connected with a base plate (3), and a grouting hole (301) is formed in the bottom end of the base plate (3).
5. A prestressed anchorage assembly for preventing fatigue deformation according to claim 1, wherein: the utility model discloses a fixed anchor plate, including backing plate (3), fixed anchor plate (1), tie-down tube (4), fixed ring (6) of opposite side fixedly connected with of backing plate (3), fixed ring (6) of one end fixedly connected with of tie-down tube (4), fixed ring (6) middle part fixedly connected with gag lever post (7), the surface round joint of gag lever post (7) has spring (8), one end and fixed ring (6) one side butt of spring (8), one side butt of the other end and fixed anchor plate (1) of spring (8).
6. A prestressed anchorage assembly for preventing fatigue deformation according to claim 1, wherein: the other end of the constraint pipe (4) is fixedly connected with a corrugated pipe (5), and the surface of the constraint pipe (4) is wound with a spiral rib (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322692055.0U CN220977709U (en) | 2023-10-09 | 2023-10-09 | Prestressed anchorage device capable of preventing fatigue deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322692055.0U CN220977709U (en) | 2023-10-09 | 2023-10-09 | Prestressed anchorage device capable of preventing fatigue deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220977709U true CN220977709U (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322692055.0U Active CN220977709U (en) | 2023-10-09 | 2023-10-09 | Prestressed anchorage device capable of preventing fatigue deformation |
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| Country | Link |
|---|---|
| CN (1) | CN220977709U (en) |
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2023
- 2023-10-09 CN CN202322692055.0U patent/CN220977709U/en active Active
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