Quick dismantling assembly for prestress tensioning anchorage device
By using a detachable arc plate and inner support ring design, the problem of prestressed tensioning anchors being difficult to remove after concrete pouring is solved, achieving an efficient removal and installation process and reducing construction difficulty and cost.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-03-24
AI Technical Summary
Existing prestressed tensioning anchors are difficult to remove efficiently after concrete pouring, resulting in low construction efficiency.
The sleeve is constructed using at least two detachably connected arc-shaped plates. The design of the connecting plate and inner support ring enables the sleeve to be disassembled in sections, simplifying the disassembly process.
It improves the efficiency of dismantling prestressed tensioning anchors, simplifies the installation and dismantling process, and reduces construction difficulty and material costs.
Smart Images
Figure CN224031490U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to highway bridge construction technical field especially relates to a kind of pre-stressed tensioning anchor device quick dismantling assembly. BACKGROUND
[0002] Highway bridge is an important component of traffic facilities, and the highway bridge bent cap and box girder need to be pre-stressed tensioning construction. During the construction process, a deep-embedded anchor device is needed. This anchor device has a pre-stressed tensioning opening. Therefore, a deep-embedded steel sleeve is used to reserve a hole as the tensioning opening when the concrete is poured. Since the steel sleeve is a whole structure, it is difficult to remove after the concrete is poured, and the construction efficiency is low. In some cases, the steel sleeve cannot be removed and has to be embedded in the concrete. Therefore, there is an urgent need for a new technical solution to solve at least one of the above technical problems. SUMMARY
[0003] In view of the above shortcomings, the utility model aims to provide a pre-stressed tensioning anchor device quick dismantling assembly, which includes at least two arc plates that are detachably connected. In this way, the entire sleeve can be dismantled in parts, improving the dismantling efficiency.
[0004] To achieve the above technical purposes and meet the above technical requirements, the utility model employs the following technical scheme:
[0005] A pre-stressed tensioning anchor device quick dismantling assembly includes at least two arc plates that are detachably connected together and form a cylindrical sleeve for reserving a hole. The anchor device is installed in the sleeve.
[0006] As a preferred technical scheme, the number of arc plates is three, including a first arc plate, a second arc plate, and a third arc plate. The two radial sides of the first arc plate are attached to one side of the second arc plate and one side of the third arc plate, respectively. The other radial side of the second arc plate is attached to the other radial side of the third arc plate.
[0007] As a preferred technical scheme, the two inner walls of the first arc plate are provided with a first connecting plate and a second connecting plate, respectively. The two inner walls of the second arc plate are provided with a third connecting plate and a fourth connecting plate, respectively. The two inner walls of the third arc plate are provided with a fifth connecting plate and a sixth connecting plate, respectively. The first connecting plate and the third connecting plate are detachably connected. The second connecting plate and the fifth connecting plate are detachably connected. The fourth connecting plate and the sixth connecting plate are detachably connected.
[0008] As a preferred technical scheme, the arc length of the first arc plate is less than the arc length of the second arc plate and the third arc plate. The arc length of the second arc plate and the third arc plate is equal.
[0009] Preferably, the outer arc length of the first arc plate is S1, the outer arc length of the second arc plate is S2, S1 is less than 1 / 5 of S2 and greater than 1 / 11 of S2.
[0010] Preferably, the thicknesses of the first arc plate, the second arc plate and the third arc plate are the same, and the thicknesses are greater than 4 mm and less than 15 mm.
[0011] Preferably, the sleeve is detachably provided with an inner support ring for supporting the anchorage device.
[0012] Compared with the prior art, the utility model has the advantages of:
[0013] 1. The quick dismantling assembly comprises at least two arc plates, and the arc plates are detachably connected, so that the sleeve can be dismantled in sections, and the dismantling efficiency is improved.
[0014] 2. The first arc plate, the second arc plate and the third arc plate divide the sleeve into three parts, and the three parts can be dismantled respectively, and the structure is simple and convenient to manufacture.
[0015] 3. The connecting plates connect the arc plates together, and the installation and dismantling are convenient.
[0016] 4. The arc length of the first arc plate is small, and the first arc plate is dismantled first, so that the first arc plate is easily removed from the concrete, and a gap is formed between the second arc plate and the third arc plate, so that the second arc plate and the third arc plate are more easily dismantled.
[0017] 5. The thicknesses of the first arc plate, the second arc plate and the third arc plate are greater than 4 mm, so that the overall load capacity is good and the cast part is not easily deformed, but the thicknesses should not be greater than 15 mm, so that the dismantling difficulty is increased and the cost is high.
[0018] 6. The inner support ring can support the anchorage device, and the fastening bolt and the fastening nut are cooperatively installed and dismantled, so that the installation and dismantling are more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 Fig. 1 is a structural view of a quick dismantling assembly according to an embodiment of the utility model;
[0020] Figure 2 Fig. 2 is a front view of the quick dismantling assembly according to the embodiment of the utility model.
[0021] In Figures 1-2 the drawings: 1, arc plate; 101, first arc plate; 1011, first connecting plate; 1012, second connecting plate; 102, second arc plate; 1021, third connecting plate; 1022, fourth connecting plate; 103, third arc plate; 1031, fifth connecting plate; 1032, sixth connecting plate; and 2, inner support ring. DETAILED DESCRIPTION
[0022] The utility model is further described below with reference to the drawings.
[0023] In the description of the utility model, it should be understood that if the terms "top", "bottom", "left", "right", "front", "back", "inner", "outer" and the like appear, the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model, 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, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent, and for ordinary skilled persons in the art, the specific meanings of the above terms can be understood according to the specific circumstances.
[0024] Please refer to Figures 1-2 The utility model discloses an embodiment provides a kind of quick dismantling assembly of prestressed tension anchor device, including at least 2 circular arc arc plate 1, adjacent 2 described arc plate 1 can be detachably connected together, and constitute the cylindrical sleeve for reserved hole, the anchor device is installed in the sleeve, tensioned reinforcement passes through the sleeve, quick dismantling assembly at least includes 2 arc plate 1, and adjacent arc plate 1 can be detachably connected, so that the entire sleeve can be dismantled in parts, improve dismantling efficiency.
[0025] As Figure 1 And Figure 2 As shown in the drawings, the number of the arc plate 1 is 3, which are first arc plate 101, second arc plate 102 and third arc plate 103, the first arc plate 101 is respectively attached to the second arc plate 102 and the third arc plate 103 on both sides in the radial direction, and the second arc plate 102 is attached to the third arc plate 103 on the other side in the radial direction, so that the first arc plate 101, the second arc plate 102 and the third arc plate 103 form a complete sleeve, and the integrity is better.
[0026] As Figure 1 And Figure 2As shown, the inner walls of the two sides of the first arc plate 101 are respectively provided with a first connecting plate 1011 and a second connecting plate 1012, the inner walls of the two sides of the second arc plate 102 are respectively provided with a third connecting plate 1021 and a fourth connecting plate 1022, the inner walls of the two sides of the third arc plate 103 are respectively provided with a fifth connecting plate 1031 and a sixth connecting plate 1032, the first connecting plate 1011 is detachably connected with the third connecting plate 1021, the second connecting plate 1012 is detachably connected with the fifth connecting plate 1031, the fourth connecting plate 1022 is detachably connected with the sixth connecting plate 1032, the first connecting plate 1011 and the third connecting plate 1021 connect the first arc plate 101 and the second arc plate 102 together, the second connecting plate 1012 and the fifth connecting plate 1031 connect the first arc plate 101 and the third arc plate 103 together, and the fourth connecting plate 1022 and the sixth connecting plate 1032 connect the second arc plate 102 and the third arc plate 103 together, connection holes are respectively arranged on the first connecting plate 1011, the second connecting plate 1012, the third connecting plate 1021, the fourth connecting plate 1022, the fifth connecting plate 1031 and the sixth connecting plate 1032, and connecting bolts are inserted into the fastening holes, so that the connection is firm, the installation and disassembly are convenient, the removed parts can be recycled, and the construction materials are saved.
[0027] As shown in Figure 1 and Figure 2 , the arc length of the first arc plate 101 is smaller than the arc lengths of the second arc plate 102 and the third arc plate 103, and the arc lengths of the second arc plate 102 and the third arc plate 103 are equal, so that the manufacturing is simpler, the arc length of the first arc plate 101 is smaller, and the first arc plate 101 is removed first when removed, which is easy to be removed from the concrete, so that a gap is formed between the second arc plate 102 and the third arc plate 103, and the second arc plate 102 and the third arc plate 103 are easier to be removed.
[0028] Specifically, the outer arc length of the first arc plate 101 is S1, the outer arc length of the second arc plate 102 is S2, S1 is smaller than 1 / 5 of S2 and larger than 1 / 11 of S2, within this range, the first arc plate 101 is easier to be removed from the concrete, and S1 is smaller than 1 / 5 of S2, so that the gap formed is not too large, preventing the concrete from collapsing, and then the second arc plate 102 and the third arc plate 103 are removed.
[0029] As shown in Figure 1 and Figure 2 , the thicknesses of the first arc plate 101, the second arc plate 102 and the third arc plate 103 are the same, and the thicknesses are greater than 4 mm and less than 15 mm, so that the overall load capacity is better and the deformation after pouring is not easy, but the thicknesses should not be greater than 15 mm, so that the difficulty of removal is increased and the cost is high.
[0030] As Figure 1 and Figure 2 Figure 1 Figure 2 As shown in the drawings, the sleeve is detachably provided with an inner support ring 2 for supporting the anchor, the inner support ring 2 is fixedly provided with a plurality of circumferentially arrayed fastening nuts (not marked), the fastening nuts are detachably inserted with fastening bolts (not marked), the fastening bolts abut against the inner wall of the sleeve, the fastening nuts and the fastening bolts cooperate to facilitate installation and disassembly, the anchor is generally fixed by foaming glue, the inner support ring 2 is added to support the anchor, the support is good, and the guiding effect is good.
[0031] Any numerical values recited herein include all values from the lower value and up to the upper value in increments of one unit, provided that there is a separation of at least 2 units between any lower value and any higher value. As an example, if a numerical value is recited as from 1 to 90, preferably from 20 to 80, and more preferably from 30 to 70, it is intended that values such as 15 to 85, 22 to 68, 43 to 51, and 30 to 32 are expressly enumerated. For values which are less than one, one unit is considered to be 0.0001, 0.001, 0.01, or 0.1, as appropriate. These are only examples of what is specifically enumerated herein, and are intended to be cumulative for use in limitation of the scope of the application even if only one or two are explicitly stated. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
[0032] Unless otherwise stated, all ranges include endpoints and all numbers are to be read as if qualified by the word "about." The use of "about" or "approximately" in connection with a range applies to both ends of the range. Thus, "about 20 to 30" is intended to cover "about 20 to about 30", including at least the specified endpoints.
[0033] All articles and references, including patent applications and publications, are herein incorporated by reference for all purposes. The term "consisting essentially of to describe combinations shall include the elements, ingredients, components or steps identified, and such other elements ingredients, components or steps that do not materially affect the basic and novel characteristics of the combination. The use of the terms "comprising" or "including" to describe combinations of elements, ingredients, components or steps herein also is taken to mean that other elements, ingredients, components or steps that do not materially affect the basic and novel characteristics of the combinations are optionally present. The use of the term "can" in the context of "can include" or "can consist of" is taken to mean possibly, possibly can, possibly might or could, possibly will, or possibly would, but not necessarily.
[0034] Plural elements, ingredients, components or steps can be provided by a single integrated element, ingredient, component or step. Alternatively, a single integrated element, ingredient, component or step might be divided into separate plural elements, ingredients, components or steps. To the extent that any measurement is expressed in the preceding description in terms of "about" or "approximately," it is meant to encompass nominal values and variations that fall short of, or exceed, the nominal value. For example, depending on the particular context, the term "about" or "approximately" can mean ± 1% or ± 5% or ± 10% or ± 15% or ± 20% or ± 25% or ± 30% or ± 40% or ± 50% or ± 60% or ± 70% or ± 80% or ± 90% or ± 100% or any other value or range of values.
[0035] It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the technology should be determined, not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated by reference for the purpose of the present disclosure. The omission of any aspect of the subject matter disclosed herein does not preclude coverage of that aspect, nor does it relinquish the right of the inventor to include that aspect in the future.
Claims
1. A quick-release assembly for prestressed tensioning anchors, characterized in that, It includes at least two arc-shaped plates, two adjacent arc plates are detachably connected together, and form a cylindrical sleeve for pre-drilling holes, and the anchor is installed on the sleeve; The number of arc plates is three, namely a first arc plate, a second arc plate, and a third arc plate. The radial sides of the first arc plate are respectively attached to one side of the second arc plate and one side of the third arc plate, and the radial side of the second arc plate is attached to the radial side of the third arc plate. The arc length of the first arc plate is less than the arc length of the second arc plate and the arc length of the third arc plate, and the arc lengths of the second arc plate and the third arc plate are equal. The outer arc length of the first arc plate is S1, and the outer arc length of the second arc plate is S2. S1 is less than 1 / 5 of S2 and greater than 1 / 11 of S2.
2. The prestressed tensioning anchor quick-removal assembly according to claim 1, characterized in that, The inner walls on both sides of the first arc plate are respectively provided with a first connecting plate and a second connecting plate, the inner walls on both sides of the second arc plate are respectively provided with a third connecting plate and a fourth connecting plate, and the inner walls on both sides of the third arc plate are respectively provided with a fifth connecting plate and a sixth connecting plate. The first connecting plate and the third connecting plate are detachably connected, the second connecting plate and the fifth connecting plate are detachably connected, and the fourth connecting plate and the sixth connecting plate are detachably connected.
3. The quick-release assembly for prestressed tensioning anchors according to claim 2, characterized in that, The first, second, and third arc plates have the same thickness, which is greater than 4 mm and less than 15 mm.
4. The quick-release assembly for prestressed tensioning anchors according to claim 1, characterized in that, The sleeve is detachably equipped with an inner support ring for supporting the anchor.